PackageManagerService.java revision b15a71913eaea4d2e7063437b3d1a8db5d98c221
1/* 2 * Copyright (C) 2006 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package com.android.server.pm; 18 19import static android.Manifest.permission.READ_EXTERNAL_STORAGE; 20import static android.Manifest.permission.WRITE_EXTERNAL_STORAGE; 21import static android.Manifest.permission.WRITE_MEDIA_STORAGE; 22import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DEFAULT; 23import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED; 24import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED; 25import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_USER; 26import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_ENABLED; 27import static android.content.pm.PackageManager.DELETE_KEEP_DATA; 28import static android.content.pm.PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 29import static android.content.pm.PackageManager.FLAG_PERMISSION_POLICY_FIXED; 30import static android.content.pm.PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 31import static android.content.pm.PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE; 32import static android.content.pm.PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 33import static android.content.pm.PackageManager.FLAG_PERMISSION_USER_FIXED; 34import static android.content.pm.PackageManager.FLAG_PERMISSION_USER_SET; 35import static android.content.pm.PackageManager.INSTALL_EXTERNAL; 36import static android.content.pm.PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 37import static android.content.pm.PackageManager.INSTALL_FAILED_CONFLICTING_PROVIDER; 38import static android.content.pm.PackageManager.INSTALL_FAILED_DEXOPT; 39import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 40import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION; 41import static android.content.pm.PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID; 42import static android.content.pm.PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 43import static android.content.pm.PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 44import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_APK; 45import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 46import static android.content.pm.PackageManager.INSTALL_FAILED_MISSING_SHARED_LIBRARY; 47import static android.content.pm.PackageManager.INSTALL_FAILED_PACKAGE_CHANGED; 48import static android.content.pm.PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 49import static android.content.pm.PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 50import static android.content.pm.PackageManager.INSTALL_FAILED_TEST_ONLY; 51import static android.content.pm.PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 52import static android.content.pm.PackageManager.INSTALL_FAILED_USER_RESTRICTED; 53import static android.content.pm.PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 54import static android.content.pm.PackageManager.INSTALL_FORWARD_LOCK; 55import static android.content.pm.PackageManager.INSTALL_INTERNAL; 56import static android.content.pm.PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 57import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 58import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK; 59import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 60import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER; 61import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 62import static android.content.pm.PackageManager.MATCH_ALL; 63import static android.content.pm.PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 64import static android.content.pm.PackageManager.MATCH_DISABLED_COMPONENTS; 65import static android.content.pm.PackageManager.MATCH_ENCRYPTION_AWARE_AND_UNAWARE; 66import static android.content.pm.PackageManager.MATCH_SYSTEM_ONLY; 67import static android.content.pm.PackageManager.MATCH_UNINSTALLED_PACKAGES; 68import static android.content.pm.PackageManager.MOVE_FAILED_DEVICE_ADMIN; 69import static android.content.pm.PackageManager.MOVE_FAILED_DOESNT_EXIST; 70import static android.content.pm.PackageManager.MOVE_FAILED_INTERNAL_ERROR; 71import static android.content.pm.PackageManager.MOVE_FAILED_OPERATION_PENDING; 72import static android.content.pm.PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; 73import static android.content.pm.PackageManager.PERMISSION_DENIED; 74import static android.content.pm.PackageManager.PERMISSION_GRANTED; 75import static android.content.pm.PackageParser.PARSE_IS_PRIVILEGED; 76import static android.content.pm.PackageParser.isApkFile; 77import static android.os.Process.PACKAGE_INFO_GID; 78import static android.os.Process.SYSTEM_UID; 79import static android.os.Trace.TRACE_TAG_PACKAGE_MANAGER; 80import static android.system.OsConstants.O_CREAT; 81import static android.system.OsConstants.O_RDWR; 82 83import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_MANAGED_PROFILE; 84import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_PARENT; 85import static com.android.internal.content.NativeLibraryHelper.LIB64_DIR_NAME; 86import static com.android.internal.content.NativeLibraryHelper.LIB_DIR_NAME; 87import static com.android.internal.util.ArrayUtils.appendInt; 88import static com.android.server.pm.Installer.DEXOPT_PUBLIC; 89import static com.android.server.pm.InstructionSets.getAppDexInstructionSets; 90import static com.android.server.pm.InstructionSets.getDexCodeInstructionSet; 91import static com.android.server.pm.InstructionSets.getDexCodeInstructionSets; 92import static com.android.server.pm.InstructionSets.getPreferredInstructionSet; 93import static com.android.server.pm.InstructionSets.getPrimaryInstructionSet; 94import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_FAILURE; 95import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS; 96import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED; 97 98import android.Manifest; 99import android.annotation.NonNull; 100import android.annotation.Nullable; 101import android.app.ActivityManager; 102import android.app.ActivityManagerNative; 103import android.app.IActivityManager; 104import android.app.admin.IDevicePolicyManager; 105import android.app.backup.IBackupManager; 106import android.content.BroadcastReceiver; 107import android.content.ComponentName; 108import android.content.Context; 109import android.content.IIntentReceiver; 110import android.content.Intent; 111import android.content.IntentFilter; 112import android.content.IntentSender; 113import android.content.IntentSender.SendIntentException; 114import android.content.ServiceConnection; 115import android.content.pm.ActivityInfo; 116import android.content.pm.ApplicationInfo; 117import android.content.pm.AppsQueryHelper; 118import android.content.pm.ComponentInfo; 119import android.content.pm.EphemeralApplicationInfo; 120import android.content.pm.EphemeralResolveInfo; 121import android.content.pm.EphemeralResolveInfo.EphemeralResolveIntentInfo; 122import android.content.pm.FeatureInfo; 123import android.content.pm.IOnPermissionsChangeListener; 124import android.content.pm.IPackageDataObserver; 125import android.content.pm.IPackageDeleteObserver; 126import android.content.pm.IPackageDeleteObserver2; 127import android.content.pm.IPackageInstallObserver2; 128import android.content.pm.IPackageInstaller; 129import android.content.pm.IPackageManager; 130import android.content.pm.IPackageMoveObserver; 131import android.content.pm.IPackageStatsObserver; 132import android.content.pm.InstrumentationInfo; 133import android.content.pm.IntentFilterVerificationInfo; 134import android.content.pm.KeySet; 135import android.content.pm.PackageCleanItem; 136import android.content.pm.PackageInfo; 137import android.content.pm.PackageInfoLite; 138import android.content.pm.PackageInstaller; 139import android.content.pm.PackageManager; 140import android.content.pm.PackageManager.LegacyPackageDeleteObserver; 141import android.content.pm.PackageManagerInternal; 142import android.content.pm.PackageParser; 143import android.content.pm.PackageParser.ActivityIntentInfo; 144import android.content.pm.PackageParser.PackageLite; 145import android.content.pm.PackageParser.PackageParserException; 146import android.content.pm.PackageStats; 147import android.content.pm.PackageUserState; 148import android.content.pm.ParceledListSlice; 149import android.content.pm.PermissionGroupInfo; 150import android.content.pm.PermissionInfo; 151import android.content.pm.ProviderInfo; 152import android.content.pm.ResolveInfo; 153import android.content.pm.ServiceInfo; 154import android.content.pm.Signature; 155import android.content.pm.UserInfo; 156import android.content.pm.VerificationParams; 157import android.content.pm.VerifierDeviceIdentity; 158import android.content.pm.VerifierInfo; 159import android.content.res.Resources; 160import android.graphics.Bitmap; 161import android.hardware.display.DisplayManager; 162import android.net.Uri; 163import android.os.Binder; 164import android.os.Build; 165import android.os.Bundle; 166import android.os.Debug; 167import android.os.Environment; 168import android.os.Environment.UserEnvironment; 169import android.os.FileUtils; 170import android.os.Handler; 171import android.os.IBinder; 172import android.os.Looper; 173import android.os.Message; 174import android.os.Parcel; 175import android.os.ParcelFileDescriptor; 176import android.os.Process; 177import android.os.RemoteCallbackList; 178import android.os.RemoteException; 179import android.os.ResultReceiver; 180import android.os.SELinux; 181import android.os.ServiceManager; 182import android.os.SystemClock; 183import android.os.SystemProperties; 184import android.os.Trace; 185import android.os.UserHandle; 186import android.os.UserManager; 187import android.os.storage.IMountService; 188import android.os.storage.MountServiceInternal; 189import android.os.storage.StorageEventListener; 190import android.os.storage.StorageManager; 191import android.os.storage.VolumeInfo; 192import android.os.storage.VolumeRecord; 193import android.security.KeyStore; 194import android.security.SystemKeyStore; 195import android.system.ErrnoException; 196import android.system.Os; 197import android.text.TextUtils; 198import android.text.format.DateUtils; 199import android.util.ArrayMap; 200import android.util.ArraySet; 201import android.util.AtomicFile; 202import android.util.DisplayMetrics; 203import android.util.EventLog; 204import android.util.ExceptionUtils; 205import android.util.Log; 206import android.util.LogPrinter; 207import android.util.MathUtils; 208import android.util.PrintStreamPrinter; 209import android.util.Slog; 210import android.util.SparseArray; 211import android.util.SparseBooleanArray; 212import android.util.SparseIntArray; 213import android.util.Xml; 214import android.view.Display; 215 216import com.android.internal.R; 217import com.android.internal.annotations.GuardedBy; 218import com.android.internal.app.IMediaContainerService; 219import com.android.internal.app.ResolverActivity; 220import com.android.internal.content.NativeLibraryHelper; 221import com.android.internal.content.PackageHelper; 222import com.android.internal.os.IParcelFileDescriptorFactory; 223import com.android.internal.os.InstallerConnection.InstallerException; 224import com.android.internal.os.SomeArgs; 225import com.android.internal.os.Zygote; 226import com.android.internal.util.ArrayUtils; 227import com.android.internal.util.FastPrintWriter; 228import com.android.internal.util.FastXmlSerializer; 229import com.android.internal.util.IndentingPrintWriter; 230import com.android.internal.util.Preconditions; 231import com.android.internal.util.XmlUtils; 232import com.android.server.EventLogTags; 233import com.android.server.FgThread; 234import com.android.server.IntentResolver; 235import com.android.server.LocalServices; 236import com.android.server.ServiceThread; 237import com.android.server.SystemConfig; 238import com.android.server.Watchdog; 239import com.android.server.pm.PermissionsState.PermissionState; 240import com.android.server.pm.Settings.DatabaseVersion; 241import com.android.server.pm.Settings.VersionInfo; 242import com.android.server.storage.DeviceStorageMonitorInternal; 243 244import dalvik.system.DexFile; 245import dalvik.system.VMRuntime; 246 247import libcore.io.IoUtils; 248import libcore.util.EmptyArray; 249 250import org.xmlpull.v1.XmlPullParser; 251import org.xmlpull.v1.XmlPullParserException; 252import org.xmlpull.v1.XmlSerializer; 253 254import java.io.BufferedInputStream; 255import java.io.BufferedOutputStream; 256import java.io.BufferedReader; 257import java.io.ByteArrayInputStream; 258import java.io.ByteArrayOutputStream; 259import java.io.File; 260import java.io.FileDescriptor; 261import java.io.FileNotFoundException; 262import java.io.FileOutputStream; 263import java.io.FileReader; 264import java.io.FilenameFilter; 265import java.io.IOException; 266import java.io.InputStream; 267import java.io.PrintWriter; 268import java.nio.charset.StandardCharsets; 269import java.security.MessageDigest; 270import java.security.NoSuchAlgorithmException; 271import java.security.PublicKey; 272import java.security.cert.CertificateEncodingException; 273import java.security.cert.CertificateException; 274import java.text.SimpleDateFormat; 275import java.util.ArrayList; 276import java.util.Arrays; 277import java.util.Collection; 278import java.util.Collections; 279import java.util.Comparator; 280import java.util.Date; 281import java.util.HashSet; 282import java.util.Iterator; 283import java.util.List; 284import java.util.Map; 285import java.util.Objects; 286import java.util.Set; 287import java.util.concurrent.CountDownLatch; 288import java.util.concurrent.TimeUnit; 289import java.util.concurrent.atomic.AtomicBoolean; 290import java.util.concurrent.atomic.AtomicInteger; 291import java.util.concurrent.atomic.AtomicLong; 292 293/** 294 * Keep track of all those .apks everywhere. 295 * 296 * This is very central to the platform's security; please run the unit 297 * tests whenever making modifications here: 298 * 299runtest -c android.content.pm.PackageManagerTests frameworks-core 300 * 301 * {@hide} 302 */ 303public class PackageManagerService extends IPackageManager.Stub { 304 static final String TAG = "PackageManager"; 305 static final boolean DEBUG_SETTINGS = false; 306 static final boolean DEBUG_PREFERRED = false; 307 static final boolean DEBUG_UPGRADE = false; 308 static final boolean DEBUG_DOMAIN_VERIFICATION = false; 309 private static final boolean DEBUG_BACKUP = false; 310 private static final boolean DEBUG_INSTALL = false; 311 private static final boolean DEBUG_REMOVE = false; 312 private static final boolean DEBUG_BROADCASTS = false; 313 private static final boolean DEBUG_SHOW_INFO = false; 314 private static final boolean DEBUG_PACKAGE_INFO = false; 315 private static final boolean DEBUG_INTENT_MATCHING = false; 316 private static final boolean DEBUG_PACKAGE_SCANNING = false; 317 private static final boolean DEBUG_VERIFY = false; 318 319 // Debug output for dexopting. This is shared between PackageManagerService, OtaDexoptService 320 // and PackageDexOptimizer. All these classes have their own flag to allow switching a single 321 // user, but by default initialize to this. 322 static final boolean DEBUG_DEXOPT = false; 323 324 private static final boolean DEBUG_ABI_SELECTION = false; 325 private static final boolean DEBUG_EPHEMERAL = false; 326 private static final boolean DEBUG_TRIAGED_MISSING = false; 327 private static final boolean DEBUG_APP_DATA = false; 328 329 static final boolean CLEAR_RUNTIME_PERMISSIONS_ON_UPGRADE = false; 330 331 private static final boolean DISABLE_EPHEMERAL_APPS = true; 332 333 private static final int RADIO_UID = Process.PHONE_UID; 334 private static final int LOG_UID = Process.LOG_UID; 335 private static final int NFC_UID = Process.NFC_UID; 336 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 337 private static final int SHELL_UID = Process.SHELL_UID; 338 339 // Cap the size of permission trees that 3rd party apps can define 340 private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768; // characters of text 341 342 // Suffix used during package installation when copying/moving 343 // package apks to install directory. 344 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 345 346 static final int SCAN_NO_DEX = 1<<1; 347 static final int SCAN_FORCE_DEX = 1<<2; 348 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 349 static final int SCAN_NEW_INSTALL = 1<<4; 350 static final int SCAN_NO_PATHS = 1<<5; 351 static final int SCAN_UPDATE_TIME = 1<<6; 352 static final int SCAN_DEFER_DEX = 1<<7; 353 static final int SCAN_BOOTING = 1<<8; 354 static final int SCAN_TRUSTED_OVERLAY = 1<<9; 355 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<10; 356 static final int SCAN_REPLACING = 1<<11; 357 static final int SCAN_REQUIRE_KNOWN = 1<<12; 358 static final int SCAN_MOVE = 1<<13; 359 static final int SCAN_INITIAL = 1<<14; 360 static final int SCAN_CHECK_ONLY = 1<<15; 361 362 static final int REMOVE_CHATTY = 1<<16; 363 364 private static final int[] EMPTY_INT_ARRAY = new int[0]; 365 366 /** 367 * Timeout (in milliseconds) after which the watchdog should declare that 368 * our handler thread is wedged. The usual default for such things is one 369 * minute but we sometimes do very lengthy I/O operations on this thread, 370 * such as installing multi-gigabyte applications, so ours needs to be longer. 371 */ 372 private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 373 374 /** 375 * Wall-clock timeout (in milliseconds) after which we *require* that an fstrim 376 * be run on this device. We use the value in the Settings.Global.MANDATORY_FSTRIM_INTERVAL 377 * settings entry if available, otherwise we use the hardcoded default. If it's been 378 * more than this long since the last fstrim, we force one during the boot sequence. 379 * 380 * This backstops other fstrim scheduling: if the device is alive at midnight+idle, 381 * one gets run at the next available charging+idle time. This final mandatory 382 * no-fstrim check kicks in only of the other scheduling criteria is never met. 383 */ 384 private static final long DEFAULT_MANDATORY_FSTRIM_INTERVAL = 3 * DateUtils.DAY_IN_MILLIS; 385 386 /** 387 * Whether verification is enabled by default. 388 */ 389 private static final boolean DEFAULT_VERIFY_ENABLE = true; 390 391 /** 392 * The default maximum time to wait for the verification agent to return in 393 * milliseconds. 394 */ 395 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 396 397 /** 398 * The default response for package verification timeout. 399 * 400 * This can be either PackageManager.VERIFICATION_ALLOW or 401 * PackageManager.VERIFICATION_REJECT. 402 */ 403 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 404 405 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 406 407 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 408 DEFAULT_CONTAINER_PACKAGE, 409 "com.android.defcontainer.DefaultContainerService"); 410 411 private static final String KILL_APP_REASON_GIDS_CHANGED = 412 "permission grant or revoke changed gids"; 413 414 private static final String KILL_APP_REASON_PERMISSIONS_REVOKED = 415 "permissions revoked"; 416 417 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 418 419 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 420 421 /** Permission grant: not grant the permission. */ 422 private static final int GRANT_DENIED = 1; 423 424 /** Permission grant: grant the permission as an install permission. */ 425 private static final int GRANT_INSTALL = 2; 426 427 /** Permission grant: grant the permission as a runtime one. */ 428 private static final int GRANT_RUNTIME = 3; 429 430 /** Permission grant: grant as runtime a permission that was granted as an install time one. */ 431 private static final int GRANT_UPGRADE = 4; 432 433 /** Canonical intent used to identify what counts as a "web browser" app */ 434 private static final Intent sBrowserIntent; 435 static { 436 sBrowserIntent = new Intent(); 437 sBrowserIntent.setAction(Intent.ACTION_VIEW); 438 sBrowserIntent.addCategory(Intent.CATEGORY_BROWSABLE); 439 sBrowserIntent.setData(Uri.parse("http:")); 440 } 441 442 final ServiceThread mHandlerThread; 443 444 final PackageHandler mHandler; 445 446 /** 447 * Messages for {@link #mHandler} that need to wait for system ready before 448 * being dispatched. 449 */ 450 private ArrayList<Message> mPostSystemReadyMessages; 451 452 final int mSdkVersion = Build.VERSION.SDK_INT; 453 454 final Context mContext; 455 final boolean mFactoryTest; 456 final boolean mOnlyCore; 457 final DisplayMetrics mMetrics; 458 final int mDefParseFlags; 459 final String[] mSeparateProcesses; 460 final boolean mIsUpgrade; 461 462 /** The location for ASEC container files on internal storage. */ 463 final String mAsecInternalPath; 464 465 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 466 // LOCK HELD. Can be called with mInstallLock held. 467 @GuardedBy("mInstallLock") 468 final Installer mInstaller; 469 470 /** Directory where installed third-party apps stored */ 471 final File mAppInstallDir; 472 final File mEphemeralInstallDir; 473 474 /** 475 * Directory to which applications installed internally have their 476 * 32 bit native libraries copied. 477 */ 478 private File mAppLib32InstallDir; 479 480 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 481 // apps. 482 final File mDrmAppPrivateInstallDir; 483 484 // ---------------------------------------------------------------- 485 486 // Lock for state used when installing and doing other long running 487 // operations. Methods that must be called with this lock held have 488 // the suffix "LI". 489 final Object mInstallLock = new Object(); 490 491 // ---------------------------------------------------------------- 492 493 // Keys are String (package name), values are Package. This also serves 494 // as the lock for the global state. Methods that must be called with 495 // this lock held have the prefix "LP". 496 @GuardedBy("mPackages") 497 final ArrayMap<String, PackageParser.Package> mPackages = 498 new ArrayMap<String, PackageParser.Package>(); 499 500 // Tracks available target package names -> overlay package paths. 501 final ArrayMap<String, ArrayMap<String, PackageParser.Package>> mOverlays = 502 new ArrayMap<String, ArrayMap<String, PackageParser.Package>>(); 503 504 /** 505 * Tracks new system packages [received in an OTA] that we expect to 506 * find updated user-installed versions. Keys are package name, values 507 * are package location. 508 */ 509 final private ArrayMap<String, File> mExpectingBetter = new ArrayMap<>(); 510 511 /** 512 * Tracks existing system packages prior to receiving an OTA. Keys are package name. 513 */ 514 final private ArraySet<String> mExistingSystemPackages = new ArraySet<>(); 515 /** 516 * Whether or not system app permissions should be promoted from install to runtime. 517 */ 518 boolean mPromoteSystemApps; 519 520 final Settings mSettings; 521 boolean mRestoredSettings; 522 523 // System configuration read by SystemConfig. 524 final int[] mGlobalGids; 525 final SparseArray<ArraySet<String>> mSystemPermissions; 526 final ArrayMap<String, FeatureInfo> mAvailableFeatures; 527 528 // If mac_permissions.xml was found for seinfo labeling. 529 boolean mFoundPolicyFile; 530 531 private final EphemeralApplicationRegistry mEphemeralApplicationRegistry; 532 533 public static final class SharedLibraryEntry { 534 public final String path; 535 public final String apk; 536 537 SharedLibraryEntry(String _path, String _apk) { 538 path = _path; 539 apk = _apk; 540 } 541 } 542 543 // Currently known shared libraries. 544 final ArrayMap<String, SharedLibraryEntry> mSharedLibraries = 545 new ArrayMap<String, SharedLibraryEntry>(); 546 547 // All available activities, for your resolving pleasure. 548 final ActivityIntentResolver mActivities = 549 new ActivityIntentResolver(); 550 551 // All available receivers, for your resolving pleasure. 552 final ActivityIntentResolver mReceivers = 553 new ActivityIntentResolver(); 554 555 // All available services, for your resolving pleasure. 556 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 557 558 // All available providers, for your resolving pleasure. 559 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 560 561 // Mapping from provider base names (first directory in content URI codePath) 562 // to the provider information. 563 final ArrayMap<String, PackageParser.Provider> mProvidersByAuthority = 564 new ArrayMap<String, PackageParser.Provider>(); 565 566 // Mapping from instrumentation class names to info about them. 567 final ArrayMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 568 new ArrayMap<ComponentName, PackageParser.Instrumentation>(); 569 570 // Mapping from permission names to info about them. 571 final ArrayMap<String, PackageParser.PermissionGroup> mPermissionGroups = 572 new ArrayMap<String, PackageParser.PermissionGroup>(); 573 574 // Packages whose data we have transfered into another package, thus 575 // should no longer exist. 576 final ArraySet<String> mTransferedPackages = new ArraySet<String>(); 577 578 // Broadcast actions that are only available to the system. 579 final ArraySet<String> mProtectedBroadcasts = new ArraySet<String>(); 580 581 /** List of packages waiting for verification. */ 582 final SparseArray<PackageVerificationState> mPendingVerification 583 = new SparseArray<PackageVerificationState>(); 584 585 /** Set of packages associated with each app op permission. */ 586 final ArrayMap<String, ArraySet<String>> mAppOpPermissionPackages = new ArrayMap<>(); 587 588 final PackageInstallerService mInstallerService; 589 590 private final PackageDexOptimizer mPackageDexOptimizer; 591 592 private AtomicInteger mNextMoveId = new AtomicInteger(); 593 private final MoveCallbacks mMoveCallbacks; 594 595 private final OnPermissionChangeListeners mOnPermissionChangeListeners; 596 597 // Cache of users who need badging. 598 SparseBooleanArray mUserNeedsBadging = new SparseBooleanArray(); 599 600 /** Token for keys in mPendingVerification. */ 601 private int mPendingVerificationToken = 0; 602 603 volatile boolean mSystemReady; 604 volatile boolean mSafeMode; 605 volatile boolean mHasSystemUidErrors; 606 607 ApplicationInfo mAndroidApplication; 608 final ActivityInfo mResolveActivity = new ActivityInfo(); 609 final ResolveInfo mResolveInfo = new ResolveInfo(); 610 ComponentName mResolveComponentName; 611 PackageParser.Package mPlatformPackage; 612 ComponentName mCustomResolverComponentName; 613 614 boolean mResolverReplaced = false; 615 616 private final @Nullable ComponentName mIntentFilterVerifierComponent; 617 private final @Nullable IntentFilterVerifier<ActivityIntentInfo> mIntentFilterVerifier; 618 619 private int mIntentFilterVerificationToken = 0; 620 621 /** Component that knows whether or not an ephemeral application exists */ 622 final ComponentName mEphemeralResolverComponent; 623 /** The service connection to the ephemeral resolver */ 624 final EphemeralResolverConnection mEphemeralResolverConnection; 625 626 /** Component used to install ephemeral applications */ 627 final ComponentName mEphemeralInstallerComponent; 628 final ActivityInfo mEphemeralInstallerActivity = new ActivityInfo(); 629 final ResolveInfo mEphemeralInstallerInfo = new ResolveInfo(); 630 631 final SparseArray<IntentFilterVerificationState> mIntentFilterVerificationStates 632 = new SparseArray<IntentFilterVerificationState>(); 633 634 final DefaultPermissionGrantPolicy mDefaultPermissionPolicy = 635 new DefaultPermissionGrantPolicy(this); 636 637 // List of packages names to keep cached, even if they are uninstalled for all users 638 private List<String> mKeepUninstalledPackages; 639 640 private boolean mUseJitProfiles = 641 SystemProperties.getBoolean("dalvik.vm.usejitprofiles", false); 642 643 private static class IFVerificationParams { 644 PackageParser.Package pkg; 645 boolean replacing; 646 int userId; 647 int verifierUid; 648 649 public IFVerificationParams(PackageParser.Package _pkg, boolean _replacing, 650 int _userId, int _verifierUid) { 651 pkg = _pkg; 652 replacing = _replacing; 653 userId = _userId; 654 replacing = _replacing; 655 verifierUid = _verifierUid; 656 } 657 } 658 659 private interface IntentFilterVerifier<T extends IntentFilter> { 660 boolean addOneIntentFilterVerification(int verifierId, int userId, int verificationId, 661 T filter, String packageName); 662 void startVerifications(int userId); 663 void receiveVerificationResponse(int verificationId); 664 } 665 666 private class IntentVerifierProxy implements IntentFilterVerifier<ActivityIntentInfo> { 667 private Context mContext; 668 private ComponentName mIntentFilterVerifierComponent; 669 private ArrayList<Integer> mCurrentIntentFilterVerifications = new ArrayList<Integer>(); 670 671 public IntentVerifierProxy(Context context, ComponentName verifierComponent) { 672 mContext = context; 673 mIntentFilterVerifierComponent = verifierComponent; 674 } 675 676 private String getDefaultScheme() { 677 return IntentFilter.SCHEME_HTTPS; 678 } 679 680 @Override 681 public void startVerifications(int userId) { 682 // Launch verifications requests 683 int count = mCurrentIntentFilterVerifications.size(); 684 for (int n=0; n<count; n++) { 685 int verificationId = mCurrentIntentFilterVerifications.get(n); 686 final IntentFilterVerificationState ivs = 687 mIntentFilterVerificationStates.get(verificationId); 688 689 String packageName = ivs.getPackageName(); 690 691 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 692 final int filterCount = filters.size(); 693 ArraySet<String> domainsSet = new ArraySet<>(); 694 for (int m=0; m<filterCount; m++) { 695 PackageParser.ActivityIntentInfo filter = filters.get(m); 696 domainsSet.addAll(filter.getHostsList()); 697 } 698 ArrayList<String> domainsList = new ArrayList<>(domainsSet); 699 synchronized (mPackages) { 700 if (mSettings.createIntentFilterVerificationIfNeededLPw( 701 packageName, domainsList) != null) { 702 scheduleWriteSettingsLocked(); 703 } 704 } 705 sendVerificationRequest(userId, verificationId, ivs); 706 } 707 mCurrentIntentFilterVerifications.clear(); 708 } 709 710 private void sendVerificationRequest(int userId, int verificationId, 711 IntentFilterVerificationState ivs) { 712 713 Intent verificationIntent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 714 verificationIntent.putExtra( 715 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_ID, 716 verificationId); 717 verificationIntent.putExtra( 718 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_URI_SCHEME, 719 getDefaultScheme()); 720 verificationIntent.putExtra( 721 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_HOSTS, 722 ivs.getHostsString()); 723 verificationIntent.putExtra( 724 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_PACKAGE_NAME, 725 ivs.getPackageName()); 726 verificationIntent.setComponent(mIntentFilterVerifierComponent); 727 verificationIntent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 728 729 UserHandle user = new UserHandle(userId); 730 mContext.sendBroadcastAsUser(verificationIntent, user); 731 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 732 "Sending IntentFilter verification broadcast"); 733 } 734 735 public void receiveVerificationResponse(int verificationId) { 736 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 737 738 final boolean verified = ivs.isVerified(); 739 740 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 741 final int count = filters.size(); 742 if (DEBUG_DOMAIN_VERIFICATION) { 743 Slog.i(TAG, "Received verification response " + verificationId 744 + " for " + count + " filters, verified=" + verified); 745 } 746 for (int n=0; n<count; n++) { 747 PackageParser.ActivityIntentInfo filter = filters.get(n); 748 filter.setVerified(verified); 749 750 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "IntentFilter " + filter.toString() 751 + " verified with result:" + verified + " and hosts:" 752 + ivs.getHostsString()); 753 } 754 755 mIntentFilterVerificationStates.remove(verificationId); 756 757 final String packageName = ivs.getPackageName(); 758 IntentFilterVerificationInfo ivi = null; 759 760 synchronized (mPackages) { 761 ivi = mSettings.getIntentFilterVerificationLPr(packageName); 762 } 763 if (ivi == null) { 764 Slog.w(TAG, "IntentFilterVerificationInfo not found for verificationId:" 765 + verificationId + " packageName:" + packageName); 766 return; 767 } 768 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 769 "Updating IntentFilterVerificationInfo for package " + packageName 770 +" verificationId:" + verificationId); 771 772 synchronized (mPackages) { 773 if (verified) { 774 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS); 775 } else { 776 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK); 777 } 778 scheduleWriteSettingsLocked(); 779 780 final int userId = ivs.getUserId(); 781 if (userId != UserHandle.USER_ALL) { 782 final int userStatus = 783 mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 784 785 int updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 786 boolean needUpdate = false; 787 788 // We cannot override the STATUS_ALWAYS / STATUS_NEVER states if they have 789 // already been set by the User thru the Disambiguation dialog 790 switch (userStatus) { 791 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 792 if (verified) { 793 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 794 } else { 795 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 796 } 797 needUpdate = true; 798 break; 799 800 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 801 if (verified) { 802 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 803 needUpdate = true; 804 } 805 break; 806 807 default: 808 // Nothing to do 809 } 810 811 if (needUpdate) { 812 mSettings.updateIntentFilterVerificationStatusLPw( 813 packageName, updatedStatus, userId); 814 scheduleWritePackageRestrictionsLocked(userId); 815 } 816 } 817 } 818 } 819 820 @Override 821 public boolean addOneIntentFilterVerification(int verifierUid, int userId, int verificationId, 822 ActivityIntentInfo filter, String packageName) { 823 if (!hasValidDomains(filter)) { 824 return false; 825 } 826 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 827 if (ivs == null) { 828 ivs = createDomainVerificationState(verifierUid, userId, verificationId, 829 packageName); 830 } 831 if (DEBUG_DOMAIN_VERIFICATION) { 832 Slog.d(TAG, "Adding verification filter for " + packageName + ": " + filter); 833 } 834 ivs.addFilter(filter); 835 return true; 836 } 837 838 private IntentFilterVerificationState createDomainVerificationState(int verifierUid, 839 int userId, int verificationId, String packageName) { 840 IntentFilterVerificationState ivs = new IntentFilterVerificationState( 841 verifierUid, userId, packageName); 842 ivs.setPendingState(); 843 synchronized (mPackages) { 844 mIntentFilterVerificationStates.append(verificationId, ivs); 845 mCurrentIntentFilterVerifications.add(verificationId); 846 } 847 return ivs; 848 } 849 } 850 851 private static boolean hasValidDomains(ActivityIntentInfo filter) { 852 return filter.hasCategory(Intent.CATEGORY_BROWSABLE) 853 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 854 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS)); 855 } 856 857 // Set of pending broadcasts for aggregating enable/disable of components. 858 static class PendingPackageBroadcasts { 859 // for each user id, a map of <package name -> components within that package> 860 final SparseArray<ArrayMap<String, ArrayList<String>>> mUidMap; 861 862 public PendingPackageBroadcasts() { 863 mUidMap = new SparseArray<ArrayMap<String, ArrayList<String>>>(2); 864 } 865 866 public ArrayList<String> get(int userId, String packageName) { 867 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 868 return packages.get(packageName); 869 } 870 871 public void put(int userId, String packageName, ArrayList<String> components) { 872 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 873 packages.put(packageName, components); 874 } 875 876 public void remove(int userId, String packageName) { 877 ArrayMap<String, ArrayList<String>> packages = mUidMap.get(userId); 878 if (packages != null) { 879 packages.remove(packageName); 880 } 881 } 882 883 public void remove(int userId) { 884 mUidMap.remove(userId); 885 } 886 887 public int userIdCount() { 888 return mUidMap.size(); 889 } 890 891 public int userIdAt(int n) { 892 return mUidMap.keyAt(n); 893 } 894 895 public ArrayMap<String, ArrayList<String>> packagesForUserId(int userId) { 896 return mUidMap.get(userId); 897 } 898 899 public int size() { 900 // total number of pending broadcast entries across all userIds 901 int num = 0; 902 for (int i = 0; i< mUidMap.size(); i++) { 903 num += mUidMap.valueAt(i).size(); 904 } 905 return num; 906 } 907 908 public void clear() { 909 mUidMap.clear(); 910 } 911 912 private ArrayMap<String, ArrayList<String>> getOrAllocate(int userId) { 913 ArrayMap<String, ArrayList<String>> map = mUidMap.get(userId); 914 if (map == null) { 915 map = new ArrayMap<String, ArrayList<String>>(); 916 mUidMap.put(userId, map); 917 } 918 return map; 919 } 920 } 921 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 922 923 // Service Connection to remote media container service to copy 924 // package uri's from external media onto secure containers 925 // or internal storage. 926 private IMediaContainerService mContainerService = null; 927 928 static final int SEND_PENDING_BROADCAST = 1; 929 static final int MCS_BOUND = 3; 930 static final int END_COPY = 4; 931 static final int INIT_COPY = 5; 932 static final int MCS_UNBIND = 6; 933 static final int START_CLEANING_PACKAGE = 7; 934 static final int FIND_INSTALL_LOC = 8; 935 static final int POST_INSTALL = 9; 936 static final int MCS_RECONNECT = 10; 937 static final int MCS_GIVE_UP = 11; 938 static final int UPDATED_MEDIA_STATUS = 12; 939 static final int WRITE_SETTINGS = 13; 940 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 941 static final int PACKAGE_VERIFIED = 15; 942 static final int CHECK_PENDING_VERIFICATION = 16; 943 static final int START_INTENT_FILTER_VERIFICATIONS = 17; 944 static final int INTENT_FILTER_VERIFIED = 18; 945 946 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 947 948 // Delay time in millisecs 949 static final int BROADCAST_DELAY = 10 * 1000; 950 951 static UserManagerService sUserManager; 952 953 // Stores a list of users whose package restrictions file needs to be updated 954 private ArraySet<Integer> mDirtyUsers = new ArraySet<Integer>(); 955 956 final private DefaultContainerConnection mDefContainerConn = 957 new DefaultContainerConnection(); 958 class DefaultContainerConnection implements ServiceConnection { 959 public void onServiceConnected(ComponentName name, IBinder service) { 960 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 961 IMediaContainerService imcs = 962 IMediaContainerService.Stub.asInterface(service); 963 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 964 } 965 966 public void onServiceDisconnected(ComponentName name) { 967 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 968 } 969 } 970 971 // Recordkeeping of restore-after-install operations that are currently in flight 972 // between the Package Manager and the Backup Manager 973 static class PostInstallData { 974 public InstallArgs args; 975 public PackageInstalledInfo res; 976 977 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 978 args = _a; 979 res = _r; 980 } 981 } 982 983 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 984 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 985 986 // XML tags for backup/restore of various bits of state 987 private static final String TAG_PREFERRED_BACKUP = "pa"; 988 private static final String TAG_DEFAULT_APPS = "da"; 989 private static final String TAG_INTENT_FILTER_VERIFICATION = "iv"; 990 991 private static final String TAG_PERMISSION_BACKUP = "perm-grant-backup"; 992 private static final String TAG_ALL_GRANTS = "rt-grants"; 993 private static final String TAG_GRANT = "grant"; 994 private static final String ATTR_PACKAGE_NAME = "pkg"; 995 996 private static final String TAG_PERMISSION = "perm"; 997 private static final String ATTR_PERMISSION_NAME = "name"; 998 private static final String ATTR_IS_GRANTED = "g"; 999 private static final String ATTR_USER_SET = "set"; 1000 private static final String ATTR_USER_FIXED = "fixed"; 1001 private static final String ATTR_REVOKE_ON_UPGRADE = "rou"; 1002 1003 // System/policy permission grants are not backed up 1004 private static final int SYSTEM_RUNTIME_GRANT_MASK = 1005 FLAG_PERMISSION_POLICY_FIXED 1006 | FLAG_PERMISSION_SYSTEM_FIXED 1007 | FLAG_PERMISSION_GRANTED_BY_DEFAULT; 1008 1009 // And we back up these user-adjusted states 1010 private static final int USER_RUNTIME_GRANT_MASK = 1011 FLAG_PERMISSION_USER_SET 1012 | FLAG_PERMISSION_USER_FIXED 1013 | FLAG_PERMISSION_REVOKE_ON_UPGRADE; 1014 1015 final @Nullable String mRequiredVerifierPackage; 1016 final @Nullable String mRequiredInstallerPackage; 1017 1018 private final PackageUsage mPackageUsage = new PackageUsage(); 1019 1020 private class PackageUsage { 1021 private static final int WRITE_INTERVAL 1022 = (DEBUG_DEXOPT) ? 0 : 30*60*1000; // 30m in ms 1023 1024 private final Object mFileLock = new Object(); 1025 private final AtomicLong mLastWritten = new AtomicLong(0); 1026 private final AtomicBoolean mBackgroundWriteRunning = new AtomicBoolean(false); 1027 1028 private boolean mIsHistoricalPackageUsageAvailable = true; 1029 1030 boolean isHistoricalPackageUsageAvailable() { 1031 return mIsHistoricalPackageUsageAvailable; 1032 } 1033 1034 void write(boolean force) { 1035 if (force) { 1036 writeInternal(); 1037 return; 1038 } 1039 if (SystemClock.elapsedRealtime() - mLastWritten.get() < WRITE_INTERVAL 1040 && !DEBUG_DEXOPT) { 1041 return; 1042 } 1043 if (mBackgroundWriteRunning.compareAndSet(false, true)) { 1044 new Thread("PackageUsage_DiskWriter") { 1045 @Override 1046 public void run() { 1047 try { 1048 writeInternal(); 1049 } finally { 1050 mBackgroundWriteRunning.set(false); 1051 } 1052 } 1053 }.start(); 1054 } 1055 } 1056 1057 private void writeInternal() { 1058 synchronized (mPackages) { 1059 synchronized (mFileLock) { 1060 AtomicFile file = getFile(); 1061 FileOutputStream f = null; 1062 try { 1063 f = file.startWrite(); 1064 BufferedOutputStream out = new BufferedOutputStream(f); 1065 FileUtils.setPermissions(file.getBaseFile().getPath(), 0640, SYSTEM_UID, PACKAGE_INFO_GID); 1066 StringBuilder sb = new StringBuilder(); 1067 for (PackageParser.Package pkg : mPackages.values()) { 1068 if (pkg.mLastPackageUsageTimeInMills == 0) { 1069 continue; 1070 } 1071 sb.setLength(0); 1072 sb.append(pkg.packageName); 1073 sb.append(' '); 1074 sb.append((long)pkg.mLastPackageUsageTimeInMills); 1075 sb.append('\n'); 1076 out.write(sb.toString().getBytes(StandardCharsets.US_ASCII)); 1077 } 1078 out.flush(); 1079 file.finishWrite(f); 1080 } catch (IOException e) { 1081 if (f != null) { 1082 file.failWrite(f); 1083 } 1084 Log.e(TAG, "Failed to write package usage times", e); 1085 } 1086 } 1087 } 1088 mLastWritten.set(SystemClock.elapsedRealtime()); 1089 } 1090 1091 void readLP() { 1092 synchronized (mFileLock) { 1093 AtomicFile file = getFile(); 1094 BufferedInputStream in = null; 1095 try { 1096 in = new BufferedInputStream(file.openRead()); 1097 StringBuffer sb = new StringBuffer(); 1098 while (true) { 1099 String packageName = readToken(in, sb, ' '); 1100 if (packageName == null) { 1101 break; 1102 } 1103 String timeInMillisString = readToken(in, sb, '\n'); 1104 if (timeInMillisString == null) { 1105 throw new IOException("Failed to find last usage time for package " 1106 + packageName); 1107 } 1108 PackageParser.Package pkg = mPackages.get(packageName); 1109 if (pkg == null) { 1110 continue; 1111 } 1112 long timeInMillis; 1113 try { 1114 timeInMillis = Long.parseLong(timeInMillisString); 1115 } catch (NumberFormatException e) { 1116 throw new IOException("Failed to parse " + timeInMillisString 1117 + " as a long.", e); 1118 } 1119 pkg.mLastPackageUsageTimeInMills = timeInMillis; 1120 } 1121 } catch (FileNotFoundException expected) { 1122 mIsHistoricalPackageUsageAvailable = false; 1123 } catch (IOException e) { 1124 Log.w(TAG, "Failed to read package usage times", e); 1125 } finally { 1126 IoUtils.closeQuietly(in); 1127 } 1128 } 1129 mLastWritten.set(SystemClock.elapsedRealtime()); 1130 } 1131 1132 private String readToken(InputStream in, StringBuffer sb, char endOfToken) 1133 throws IOException { 1134 sb.setLength(0); 1135 while (true) { 1136 int ch = in.read(); 1137 if (ch == -1) { 1138 if (sb.length() == 0) { 1139 return null; 1140 } 1141 throw new IOException("Unexpected EOF"); 1142 } 1143 if (ch == endOfToken) { 1144 return sb.toString(); 1145 } 1146 sb.append((char)ch); 1147 } 1148 } 1149 1150 private AtomicFile getFile() { 1151 File dataDir = Environment.getDataDirectory(); 1152 File systemDir = new File(dataDir, "system"); 1153 File fname = new File(systemDir, "package-usage.list"); 1154 return new AtomicFile(fname); 1155 } 1156 } 1157 1158 class PackageHandler extends Handler { 1159 private boolean mBound = false; 1160 final ArrayList<HandlerParams> mPendingInstalls = 1161 new ArrayList<HandlerParams>(); 1162 1163 private boolean connectToService() { 1164 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 1165 " DefaultContainerService"); 1166 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 1167 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1168 if (mContext.bindServiceAsUser(service, mDefContainerConn, 1169 Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 1170 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1171 mBound = true; 1172 return true; 1173 } 1174 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1175 return false; 1176 } 1177 1178 private void disconnectService() { 1179 mContainerService = null; 1180 mBound = false; 1181 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1182 mContext.unbindService(mDefContainerConn); 1183 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1184 } 1185 1186 PackageHandler(Looper looper) { 1187 super(looper); 1188 } 1189 1190 public void handleMessage(Message msg) { 1191 try { 1192 doHandleMessage(msg); 1193 } finally { 1194 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1195 } 1196 } 1197 1198 void doHandleMessage(Message msg) { 1199 switch (msg.what) { 1200 case INIT_COPY: { 1201 HandlerParams params = (HandlerParams) msg.obj; 1202 int idx = mPendingInstalls.size(); 1203 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 1204 // If a bind was already initiated we dont really 1205 // need to do anything. The pending install 1206 // will be processed later on. 1207 if (!mBound) { 1208 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1209 System.identityHashCode(mHandler)); 1210 // If this is the only one pending we might 1211 // have to bind to the service again. 1212 if (!connectToService()) { 1213 Slog.e(TAG, "Failed to bind to media container service"); 1214 params.serviceError(); 1215 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1216 System.identityHashCode(mHandler)); 1217 if (params.traceMethod != null) { 1218 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, params.traceMethod, 1219 params.traceCookie); 1220 } 1221 return; 1222 } else { 1223 // Once we bind to the service, the first 1224 // pending request will be processed. 1225 mPendingInstalls.add(idx, params); 1226 } 1227 } else { 1228 mPendingInstalls.add(idx, params); 1229 // Already bound to the service. Just make 1230 // sure we trigger off processing the first request. 1231 if (idx == 0) { 1232 mHandler.sendEmptyMessage(MCS_BOUND); 1233 } 1234 } 1235 break; 1236 } 1237 case MCS_BOUND: { 1238 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 1239 if (msg.obj != null) { 1240 mContainerService = (IMediaContainerService) msg.obj; 1241 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1242 System.identityHashCode(mHandler)); 1243 } 1244 if (mContainerService == null) { 1245 if (!mBound) { 1246 // Something seriously wrong since we are not bound and we are not 1247 // waiting for connection. Bail out. 1248 Slog.e(TAG, "Cannot bind to media container service"); 1249 for (HandlerParams params : mPendingInstalls) { 1250 // Indicate service bind error 1251 params.serviceError(); 1252 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1253 System.identityHashCode(params)); 1254 if (params.traceMethod != null) { 1255 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, 1256 params.traceMethod, params.traceCookie); 1257 } 1258 return; 1259 } 1260 mPendingInstalls.clear(); 1261 } else { 1262 Slog.w(TAG, "Waiting to connect to media container service"); 1263 } 1264 } else if (mPendingInstalls.size() > 0) { 1265 HandlerParams params = mPendingInstalls.get(0); 1266 if (params != null) { 1267 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1268 System.identityHashCode(params)); 1269 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "startCopy"); 1270 if (params.startCopy()) { 1271 // We are done... look for more work or to 1272 // go idle. 1273 if (DEBUG_SD_INSTALL) Log.i(TAG, 1274 "Checking for more work or unbind..."); 1275 // Delete pending install 1276 if (mPendingInstalls.size() > 0) { 1277 mPendingInstalls.remove(0); 1278 } 1279 if (mPendingInstalls.size() == 0) { 1280 if (mBound) { 1281 if (DEBUG_SD_INSTALL) Log.i(TAG, 1282 "Posting delayed MCS_UNBIND"); 1283 removeMessages(MCS_UNBIND); 1284 Message ubmsg = obtainMessage(MCS_UNBIND); 1285 // Unbind after a little delay, to avoid 1286 // continual thrashing. 1287 sendMessageDelayed(ubmsg, 10000); 1288 } 1289 } else { 1290 // There are more pending requests in queue. 1291 // Just post MCS_BOUND message to trigger processing 1292 // of next pending install. 1293 if (DEBUG_SD_INSTALL) Log.i(TAG, 1294 "Posting MCS_BOUND for next work"); 1295 mHandler.sendEmptyMessage(MCS_BOUND); 1296 } 1297 } 1298 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 1299 } 1300 } else { 1301 // Should never happen ideally. 1302 Slog.w(TAG, "Empty queue"); 1303 } 1304 break; 1305 } 1306 case MCS_RECONNECT: { 1307 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 1308 if (mPendingInstalls.size() > 0) { 1309 if (mBound) { 1310 disconnectService(); 1311 } 1312 if (!connectToService()) { 1313 Slog.e(TAG, "Failed to bind to media container service"); 1314 for (HandlerParams params : mPendingInstalls) { 1315 // Indicate service bind error 1316 params.serviceError(); 1317 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1318 System.identityHashCode(params)); 1319 } 1320 mPendingInstalls.clear(); 1321 } 1322 } 1323 break; 1324 } 1325 case MCS_UNBIND: { 1326 // If there is no actual work left, then time to unbind. 1327 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 1328 1329 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 1330 if (mBound) { 1331 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 1332 1333 disconnectService(); 1334 } 1335 } else if (mPendingInstalls.size() > 0) { 1336 // There are more pending requests in queue. 1337 // Just post MCS_BOUND message to trigger processing 1338 // of next pending install. 1339 mHandler.sendEmptyMessage(MCS_BOUND); 1340 } 1341 1342 break; 1343 } 1344 case MCS_GIVE_UP: { 1345 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 1346 HandlerParams params = mPendingInstalls.remove(0); 1347 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1348 System.identityHashCode(params)); 1349 break; 1350 } 1351 case SEND_PENDING_BROADCAST: { 1352 String packages[]; 1353 ArrayList<String> components[]; 1354 int size = 0; 1355 int uids[]; 1356 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1357 synchronized (mPackages) { 1358 if (mPendingBroadcasts == null) { 1359 return; 1360 } 1361 size = mPendingBroadcasts.size(); 1362 if (size <= 0) { 1363 // Nothing to be done. Just return 1364 return; 1365 } 1366 packages = new String[size]; 1367 components = new ArrayList[size]; 1368 uids = new int[size]; 1369 int i = 0; // filling out the above arrays 1370 1371 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 1372 int packageUserId = mPendingBroadcasts.userIdAt(n); 1373 Iterator<Map.Entry<String, ArrayList<String>>> it 1374 = mPendingBroadcasts.packagesForUserId(packageUserId) 1375 .entrySet().iterator(); 1376 while (it.hasNext() && i < size) { 1377 Map.Entry<String, ArrayList<String>> ent = it.next(); 1378 packages[i] = ent.getKey(); 1379 components[i] = ent.getValue(); 1380 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 1381 uids[i] = (ps != null) 1382 ? UserHandle.getUid(packageUserId, ps.appId) 1383 : -1; 1384 i++; 1385 } 1386 } 1387 size = i; 1388 mPendingBroadcasts.clear(); 1389 } 1390 // Send broadcasts 1391 for (int i = 0; i < size; i++) { 1392 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 1393 } 1394 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1395 break; 1396 } 1397 case START_CLEANING_PACKAGE: { 1398 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1399 final String packageName = (String)msg.obj; 1400 final int userId = msg.arg1; 1401 final boolean andCode = msg.arg2 != 0; 1402 synchronized (mPackages) { 1403 if (userId == UserHandle.USER_ALL) { 1404 int[] users = sUserManager.getUserIds(); 1405 for (int user : users) { 1406 mSettings.addPackageToCleanLPw( 1407 new PackageCleanItem(user, packageName, andCode)); 1408 } 1409 } else { 1410 mSettings.addPackageToCleanLPw( 1411 new PackageCleanItem(userId, packageName, andCode)); 1412 } 1413 } 1414 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1415 startCleaningPackages(); 1416 } break; 1417 case POST_INSTALL: { 1418 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 1419 1420 PostInstallData data = mRunningInstalls.get(msg.arg1); 1421 mRunningInstalls.delete(msg.arg1); 1422 1423 if (data != null) { 1424 InstallArgs args = data.args; 1425 PackageInstalledInfo parentRes = data.res; 1426 1427 final boolean grantPermissions = (args.installFlags 1428 & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0; 1429 final String[] grantedPermissions = args.installGrantPermissions; 1430 1431 // Handle the parent package 1432 handlePackagePostInstall(parentRes, grantPermissions, grantedPermissions, 1433 args.observer); 1434 1435 // Handle the child packages 1436 final int childCount = (parentRes.addedChildPackages != null) 1437 ? parentRes.addedChildPackages.size() : 0; 1438 for (int i = 0; i < childCount; i++) { 1439 PackageInstalledInfo childRes = parentRes.addedChildPackages.valueAt(i); 1440 handlePackagePostInstall(childRes, grantPermissions, grantedPermissions, 1441 args.observer); 1442 } 1443 1444 // Log tracing if needed 1445 if (args.traceMethod != null) { 1446 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, args.traceMethod, 1447 args.traceCookie); 1448 } 1449 } else { 1450 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1451 } 1452 1453 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "postInstall", msg.arg1); 1454 } break; 1455 case UPDATED_MEDIA_STATUS: { 1456 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1457 boolean reportStatus = msg.arg1 == 1; 1458 boolean doGc = msg.arg2 == 1; 1459 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1460 if (doGc) { 1461 // Force a gc to clear up stale containers. 1462 Runtime.getRuntime().gc(); 1463 } 1464 if (msg.obj != null) { 1465 @SuppressWarnings("unchecked") 1466 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1467 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1468 // Unload containers 1469 unloadAllContainers(args); 1470 } 1471 if (reportStatus) { 1472 try { 1473 if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); 1474 PackageHelper.getMountService().finishMediaUpdate(); 1475 } catch (RemoteException e) { 1476 Log.e(TAG, "MountService not running?"); 1477 } 1478 } 1479 } break; 1480 case WRITE_SETTINGS: { 1481 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1482 synchronized (mPackages) { 1483 removeMessages(WRITE_SETTINGS); 1484 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1485 mSettings.writeLPr(); 1486 mDirtyUsers.clear(); 1487 } 1488 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1489 } break; 1490 case WRITE_PACKAGE_RESTRICTIONS: { 1491 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1492 synchronized (mPackages) { 1493 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1494 for (int userId : mDirtyUsers) { 1495 mSettings.writePackageRestrictionsLPr(userId); 1496 } 1497 mDirtyUsers.clear(); 1498 } 1499 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1500 } break; 1501 case CHECK_PENDING_VERIFICATION: { 1502 final int verificationId = msg.arg1; 1503 final PackageVerificationState state = mPendingVerification.get(verificationId); 1504 1505 if ((state != null) && !state.timeoutExtended()) { 1506 final InstallArgs args = state.getInstallArgs(); 1507 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1508 1509 Slog.i(TAG, "Verification timed out for " + originUri); 1510 mPendingVerification.remove(verificationId); 1511 1512 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1513 1514 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1515 Slog.i(TAG, "Continuing with installation of " + originUri); 1516 state.setVerifierResponse(Binder.getCallingUid(), 1517 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1518 broadcastPackageVerified(verificationId, originUri, 1519 PackageManager.VERIFICATION_ALLOW, 1520 state.getInstallArgs().getUser()); 1521 try { 1522 ret = args.copyApk(mContainerService, true); 1523 } catch (RemoteException e) { 1524 Slog.e(TAG, "Could not contact the ContainerService"); 1525 } 1526 } else { 1527 broadcastPackageVerified(verificationId, originUri, 1528 PackageManager.VERIFICATION_REJECT, 1529 state.getInstallArgs().getUser()); 1530 } 1531 1532 Trace.asyncTraceEnd( 1533 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1534 1535 processPendingInstall(args, ret); 1536 mHandler.sendEmptyMessage(MCS_UNBIND); 1537 } 1538 break; 1539 } 1540 case PACKAGE_VERIFIED: { 1541 final int verificationId = msg.arg1; 1542 1543 final PackageVerificationState state = mPendingVerification.get(verificationId); 1544 if (state == null) { 1545 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1546 break; 1547 } 1548 1549 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1550 1551 state.setVerifierResponse(response.callerUid, response.code); 1552 1553 if (state.isVerificationComplete()) { 1554 mPendingVerification.remove(verificationId); 1555 1556 final InstallArgs args = state.getInstallArgs(); 1557 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1558 1559 int ret; 1560 if (state.isInstallAllowed()) { 1561 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1562 broadcastPackageVerified(verificationId, originUri, 1563 response.code, state.getInstallArgs().getUser()); 1564 try { 1565 ret = args.copyApk(mContainerService, true); 1566 } catch (RemoteException e) { 1567 Slog.e(TAG, "Could not contact the ContainerService"); 1568 } 1569 } else { 1570 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1571 } 1572 1573 Trace.asyncTraceEnd( 1574 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1575 1576 processPendingInstall(args, ret); 1577 mHandler.sendEmptyMessage(MCS_UNBIND); 1578 } 1579 1580 break; 1581 } 1582 case START_INTENT_FILTER_VERIFICATIONS: { 1583 IFVerificationParams params = (IFVerificationParams) msg.obj; 1584 verifyIntentFiltersIfNeeded(params.userId, params.verifierUid, 1585 params.replacing, params.pkg); 1586 break; 1587 } 1588 case INTENT_FILTER_VERIFIED: { 1589 final int verificationId = msg.arg1; 1590 1591 final IntentFilterVerificationState state = mIntentFilterVerificationStates.get( 1592 verificationId); 1593 if (state == null) { 1594 Slog.w(TAG, "Invalid IntentFilter verification token " 1595 + verificationId + " received"); 1596 break; 1597 } 1598 1599 final int userId = state.getUserId(); 1600 1601 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1602 "Processing IntentFilter verification with token:" 1603 + verificationId + " and userId:" + userId); 1604 1605 final IntentFilterVerificationResponse response = 1606 (IntentFilterVerificationResponse) msg.obj; 1607 1608 state.setVerifierResponse(response.callerUid, response.code); 1609 1610 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1611 "IntentFilter verification with token:" + verificationId 1612 + " and userId:" + userId 1613 + " is settings verifier response with response code:" 1614 + response.code); 1615 1616 if (response.code == PackageManager.INTENT_FILTER_VERIFICATION_FAILURE) { 1617 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Domains failing verification: " 1618 + response.getFailedDomainsString()); 1619 } 1620 1621 if (state.isVerificationComplete()) { 1622 mIntentFilterVerifier.receiveVerificationResponse(verificationId); 1623 } else { 1624 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1625 "IntentFilter verification with token:" + verificationId 1626 + " was not said to be complete"); 1627 } 1628 1629 break; 1630 } 1631 } 1632 } 1633 } 1634 1635 private void handlePackagePostInstall(PackageInstalledInfo res, boolean grantPermissions, 1636 String[] grantedPermissions, IPackageInstallObserver2 installObserver) { 1637 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 1638 // Send the removed broadcasts 1639 if (res.removedInfo != null) { 1640 res.removedInfo.sendPackageRemovedBroadcasts(); 1641 } 1642 1643 // Now that we successfully installed the package, grant runtime 1644 // permissions if requested before broadcasting the install. 1645 if (grantPermissions && res.pkg.applicationInfo.targetSdkVersion 1646 >= Build.VERSION_CODES.M) { 1647 grantRequestedRuntimePermissions(res.pkg, res.newUsers, grantedPermissions); 1648 } 1649 1650 final boolean update = res.removedInfo != null 1651 && res.removedInfo.removedPackage != null; 1652 1653 // If this is the first time we have child packages for a disabled privileged 1654 // app that had no children, we grant requested runtime permissions to the new 1655 // children if the parent on the system image had them already granted. 1656 if (res.pkg.parentPackage != null) { 1657 synchronized (mPackages) { 1658 grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw(res.pkg); 1659 } 1660 } 1661 1662 synchronized (mPackages) { 1663 mEphemeralApplicationRegistry.onPackageInstalledLPw(res.pkg); 1664 } 1665 1666 final String packageName = res.pkg.applicationInfo.packageName; 1667 Bundle extras = new Bundle(1); 1668 extras.putInt(Intent.EXTRA_UID, res.uid); 1669 1670 // Determine the set of users who are adding this package for 1671 // the first time vs. those who are seeing an update. 1672 int[] firstUsers = EMPTY_INT_ARRAY; 1673 int[] updateUsers = EMPTY_INT_ARRAY; 1674 if (res.origUsers == null || res.origUsers.length == 0) { 1675 firstUsers = res.newUsers; 1676 } else { 1677 for (int newUser : res.newUsers) { 1678 boolean isNew = true; 1679 for (int origUser : res.origUsers) { 1680 if (origUser == newUser) { 1681 isNew = false; 1682 break; 1683 } 1684 } 1685 if (isNew) { 1686 firstUsers = ArrayUtils.appendInt(firstUsers, newUser); 1687 } else { 1688 updateUsers = ArrayUtils.appendInt(updateUsers, newUser); 1689 } 1690 } 1691 } 1692 1693 // Send installed broadcasts if the install/update is not ephemeral 1694 if (!isEphemeral(res.pkg)) { 1695 // Send added for users that see the package for the first time 1696 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1697 extras, 0 /*flags*/, null /*targetPackage*/, 1698 null /*finishedReceiver*/, firstUsers); 1699 1700 // Send added for users that don't see the package for the first time 1701 if (update) { 1702 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1703 } 1704 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1705 extras, 0 /*flags*/, null /*targetPackage*/, 1706 null /*finishedReceiver*/, updateUsers); 1707 1708 // Send replaced for users that don't see the package for the first time 1709 if (update) { 1710 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1711 packageName, extras, 0 /*flags*/, 1712 null /*targetPackage*/, null /*finishedReceiver*/, 1713 updateUsers); 1714 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1715 null /*package*/, null /*extras*/, 0 /*flags*/, 1716 packageName /*targetPackage*/, 1717 null /*finishedReceiver*/, updateUsers); 1718 } 1719 1720 // Send broadcast package appeared if forward locked/external for all users 1721 // treat asec-hosted packages like removable media on upgrade 1722 if (res.pkg.isForwardLocked() || isExternal(res.pkg)) { 1723 if (DEBUG_INSTALL) { 1724 Slog.i(TAG, "upgrading pkg " + res.pkg 1725 + " is ASEC-hosted -> AVAILABLE"); 1726 } 1727 final int[] uidArray = new int[]{res.pkg.applicationInfo.uid}; 1728 ArrayList<String> pkgList = new ArrayList<>(1); 1729 pkgList.add(packageName); 1730 sendResourcesChangedBroadcast(true, true, pkgList, uidArray, null); 1731 } 1732 } 1733 1734 // Work that needs to happen on first install within each user 1735 if (firstUsers != null && firstUsers.length > 0) { 1736 synchronized (mPackages) { 1737 for (int userId : firstUsers) { 1738 // If this app is a browser and it's newly-installed for some 1739 // users, clear any default-browser state in those users. The 1740 // app's nature doesn't depend on the user, so we can just check 1741 // its browser nature in any user and generalize. 1742 if (packageIsBrowser(packageName, userId)) { 1743 mSettings.setDefaultBrowserPackageNameLPw(null, userId); 1744 } 1745 1746 // We may also need to apply pending (restored) runtime 1747 // permission grants within these users. 1748 mSettings.applyPendingPermissionGrantsLPw(packageName, userId); 1749 } 1750 } 1751 } 1752 1753 // Log current value of "unknown sources" setting 1754 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1755 getUnknownSourcesSettings()); 1756 1757 // Force a gc to clear up things 1758 Runtime.getRuntime().gc(); 1759 1760 // Remove the replaced package's older resources safely now 1761 // We delete after a gc for applications on sdcard. 1762 if (res.removedInfo != null && res.removedInfo.args != null) { 1763 synchronized (mInstallLock) { 1764 res.removedInfo.args.doPostDeleteLI(true); 1765 } 1766 } 1767 } 1768 1769 // If someone is watching installs - notify them 1770 if (installObserver != null) { 1771 try { 1772 Bundle extras = extrasForInstallResult(res); 1773 installObserver.onPackageInstalled(res.name, res.returnCode, 1774 res.returnMsg, extras); 1775 } catch (RemoteException e) { 1776 Slog.i(TAG, "Observer no longer exists."); 1777 } 1778 } 1779 } 1780 1781 private void grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw( 1782 PackageParser.Package pkg) { 1783 if (pkg.parentPackage == null) { 1784 return; 1785 } 1786 if (pkg.requestedPermissions == null) { 1787 return; 1788 } 1789 final PackageSetting disabledSysParentPs = mSettings 1790 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 1791 if (disabledSysParentPs == null || disabledSysParentPs.pkg == null 1792 || !disabledSysParentPs.isPrivileged() 1793 || (disabledSysParentPs.childPackageNames != null 1794 && !disabledSysParentPs.childPackageNames.isEmpty())) { 1795 return; 1796 } 1797 final int[] allUserIds = sUserManager.getUserIds(); 1798 final int permCount = pkg.requestedPermissions.size(); 1799 for (int i = 0; i < permCount; i++) { 1800 String permission = pkg.requestedPermissions.get(i); 1801 BasePermission bp = mSettings.mPermissions.get(permission); 1802 if (bp == null || !(bp.isRuntime() || bp.isDevelopment())) { 1803 continue; 1804 } 1805 for (int userId : allUserIds) { 1806 if (disabledSysParentPs.getPermissionsState().hasRuntimePermission( 1807 permission, userId)) { 1808 grantRuntimePermission(pkg.packageName, permission, userId); 1809 } 1810 } 1811 } 1812 } 1813 1814 private StorageEventListener mStorageListener = new StorageEventListener() { 1815 @Override 1816 public void onVolumeStateChanged(VolumeInfo vol, int oldState, int newState) { 1817 if (vol.type == VolumeInfo.TYPE_PRIVATE) { 1818 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1819 final String volumeUuid = vol.getFsUuid(); 1820 1821 // Clean up any users or apps that were removed or recreated 1822 // while this volume was missing 1823 reconcileUsers(volumeUuid); 1824 reconcileApps(volumeUuid); 1825 1826 // Clean up any install sessions that expired or were 1827 // cancelled while this volume was missing 1828 mInstallerService.onPrivateVolumeMounted(volumeUuid); 1829 1830 loadPrivatePackages(vol); 1831 1832 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1833 unloadPrivatePackages(vol); 1834 } 1835 } 1836 1837 if (vol.type == VolumeInfo.TYPE_PUBLIC && vol.isPrimary()) { 1838 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1839 updateExternalMediaStatus(true, false); 1840 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1841 updateExternalMediaStatus(false, false); 1842 } 1843 } 1844 } 1845 1846 @Override 1847 public void onVolumeForgotten(String fsUuid) { 1848 if (TextUtils.isEmpty(fsUuid)) { 1849 Slog.e(TAG, "Forgetting internal storage is probably a mistake; ignoring"); 1850 return; 1851 } 1852 1853 // Remove any apps installed on the forgotten volume 1854 synchronized (mPackages) { 1855 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(fsUuid); 1856 for (PackageSetting ps : packages) { 1857 Slog.d(TAG, "Destroying " + ps.name + " because volume was forgotten"); 1858 deletePackage(ps.name, new LegacyPackageDeleteObserver(null).getBinder(), 1859 UserHandle.USER_SYSTEM, PackageManager.DELETE_ALL_USERS); 1860 } 1861 1862 mSettings.onVolumeForgotten(fsUuid); 1863 mSettings.writeLPr(); 1864 } 1865 } 1866 }; 1867 1868 private void grantRequestedRuntimePermissions(PackageParser.Package pkg, int[] userIds, 1869 String[] grantedPermissions) { 1870 for (int userId : userIds) { 1871 grantRequestedRuntimePermissionsForUser(pkg, userId, grantedPermissions); 1872 } 1873 1874 // We could have touched GID membership, so flush out packages.list 1875 synchronized (mPackages) { 1876 mSettings.writePackageListLPr(); 1877 } 1878 } 1879 1880 private void grantRequestedRuntimePermissionsForUser(PackageParser.Package pkg, int userId, 1881 String[] grantedPermissions) { 1882 SettingBase sb = (SettingBase) pkg.mExtras; 1883 if (sb == null) { 1884 return; 1885 } 1886 1887 PermissionsState permissionsState = sb.getPermissionsState(); 1888 1889 final int immutableFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 1890 | PackageManager.FLAG_PERMISSION_POLICY_FIXED; 1891 1892 synchronized (mPackages) { 1893 for (String permission : pkg.requestedPermissions) { 1894 BasePermission bp = mSettings.mPermissions.get(permission); 1895 if (bp != null && (bp.isRuntime() || bp.isDevelopment()) 1896 && (grantedPermissions == null 1897 || ArrayUtils.contains(grantedPermissions, permission))) { 1898 final int flags = permissionsState.getPermissionFlags(permission, userId); 1899 // Installer cannot change immutable permissions. 1900 if ((flags & immutableFlags) == 0) { 1901 grantRuntimePermission(pkg.packageName, permission, userId); 1902 } 1903 } 1904 } 1905 } 1906 } 1907 1908 Bundle extrasForInstallResult(PackageInstalledInfo res) { 1909 Bundle extras = null; 1910 switch (res.returnCode) { 1911 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 1912 extras = new Bundle(); 1913 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 1914 res.origPermission); 1915 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 1916 res.origPackage); 1917 break; 1918 } 1919 case PackageManager.INSTALL_SUCCEEDED: { 1920 extras = new Bundle(); 1921 extras.putBoolean(Intent.EXTRA_REPLACING, 1922 res.removedInfo != null && res.removedInfo.removedPackage != null); 1923 break; 1924 } 1925 } 1926 return extras; 1927 } 1928 1929 void scheduleWriteSettingsLocked() { 1930 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 1931 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 1932 } 1933 } 1934 1935 void scheduleWritePackageRestrictionsLocked(UserHandle user) { 1936 final int userId = user == null ? UserHandle.USER_ALL : user.getIdentifier(); 1937 scheduleWritePackageRestrictionsLocked(userId); 1938 } 1939 1940 void scheduleWritePackageRestrictionsLocked(int userId) { 1941 final int[] userIds = (userId == UserHandle.USER_ALL) 1942 ? sUserManager.getUserIds() : new int[]{userId}; 1943 for (int nextUserId : userIds) { 1944 if (!sUserManager.exists(nextUserId)) return; 1945 mDirtyUsers.add(nextUserId); 1946 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 1947 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 1948 } 1949 } 1950 } 1951 1952 public static PackageManagerService main(Context context, Installer installer, 1953 boolean factoryTest, boolean onlyCore) { 1954 PackageManagerService m = new PackageManagerService(context, installer, 1955 factoryTest, onlyCore); 1956 m.enableSystemUserPackages(); 1957 ServiceManager.addService("package", m); 1958 return m; 1959 } 1960 1961 private void enableSystemUserPackages() { 1962 if (!UserManager.isSplitSystemUser()) { 1963 return; 1964 } 1965 // For system user, enable apps based on the following conditions: 1966 // - app is whitelisted or belong to one of these groups: 1967 // -- system app which has no launcher icons 1968 // -- system app which has INTERACT_ACROSS_USERS permission 1969 // -- system IME app 1970 // - app is not in the blacklist 1971 AppsQueryHelper queryHelper = new AppsQueryHelper(this); 1972 Set<String> enableApps = new ArraySet<>(); 1973 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_NON_LAUNCHABLE_APPS 1974 | AppsQueryHelper.GET_APPS_WITH_INTERACT_ACROSS_USERS_PERM 1975 | AppsQueryHelper.GET_IMES, /* systemAppsOnly */ true, UserHandle.SYSTEM)); 1976 ArraySet<String> wlApps = SystemConfig.getInstance().getSystemUserWhitelistedApps(); 1977 enableApps.addAll(wlApps); 1978 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_REQUIRED_FOR_SYSTEM_USER, 1979 /* systemAppsOnly */ false, UserHandle.SYSTEM)); 1980 ArraySet<String> blApps = SystemConfig.getInstance().getSystemUserBlacklistedApps(); 1981 enableApps.removeAll(blApps); 1982 Log.i(TAG, "Applications installed for system user: " + enableApps); 1983 List<String> allAps = queryHelper.queryApps(0, /* systemAppsOnly */ false, 1984 UserHandle.SYSTEM); 1985 final int allAppsSize = allAps.size(); 1986 synchronized (mPackages) { 1987 for (int i = 0; i < allAppsSize; i++) { 1988 String pName = allAps.get(i); 1989 PackageSetting pkgSetting = mSettings.mPackages.get(pName); 1990 // Should not happen, but we shouldn't be failing if it does 1991 if (pkgSetting == null) { 1992 continue; 1993 } 1994 boolean install = enableApps.contains(pName); 1995 if (pkgSetting.getInstalled(UserHandle.USER_SYSTEM) != install) { 1996 Log.i(TAG, (install ? "Installing " : "Uninstalling ") + pName 1997 + " for system user"); 1998 pkgSetting.setInstalled(install, UserHandle.USER_SYSTEM); 1999 } 2000 } 2001 } 2002 } 2003 2004 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 2005 DisplayManager displayManager = (DisplayManager) context.getSystemService( 2006 Context.DISPLAY_SERVICE); 2007 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 2008 } 2009 2010 public PackageManagerService(Context context, Installer installer, 2011 boolean factoryTest, boolean onlyCore) { 2012 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 2013 SystemClock.uptimeMillis()); 2014 2015 if (mSdkVersion <= 0) { 2016 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 2017 } 2018 2019 mContext = context; 2020 mFactoryTest = factoryTest; 2021 mOnlyCore = onlyCore; 2022 mMetrics = new DisplayMetrics(); 2023 mSettings = new Settings(mPackages); 2024 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 2025 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2026 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 2027 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2028 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 2029 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2030 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 2031 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2032 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 2033 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2034 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 2035 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2036 2037 String separateProcesses = SystemProperties.get("debug.separate_processes"); 2038 if (separateProcesses != null && separateProcesses.length() > 0) { 2039 if ("*".equals(separateProcesses)) { 2040 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 2041 mSeparateProcesses = null; 2042 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 2043 } else { 2044 mDefParseFlags = 0; 2045 mSeparateProcesses = separateProcesses.split(","); 2046 Slog.w(TAG, "Running with debug.separate_processes: " 2047 + separateProcesses); 2048 } 2049 } else { 2050 mDefParseFlags = 0; 2051 mSeparateProcesses = null; 2052 } 2053 2054 mInstaller = installer; 2055 mPackageDexOptimizer = new PackageDexOptimizer(installer, mInstallLock, context, 2056 "*dexopt*"); 2057 mMoveCallbacks = new MoveCallbacks(FgThread.get().getLooper()); 2058 2059 mOnPermissionChangeListeners = new OnPermissionChangeListeners( 2060 FgThread.get().getLooper()); 2061 2062 getDefaultDisplayMetrics(context, mMetrics); 2063 2064 SystemConfig systemConfig = SystemConfig.getInstance(); 2065 mGlobalGids = systemConfig.getGlobalGids(); 2066 mSystemPermissions = systemConfig.getSystemPermissions(); 2067 mAvailableFeatures = systemConfig.getAvailableFeatures(); 2068 2069 synchronized (mInstallLock) { 2070 // writer 2071 synchronized (mPackages) { 2072 mHandlerThread = new ServiceThread(TAG, 2073 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 2074 mHandlerThread.start(); 2075 mHandler = new PackageHandler(mHandlerThread.getLooper()); 2076 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 2077 2078 File dataDir = Environment.getDataDirectory(); 2079 mAppInstallDir = new File(dataDir, "app"); 2080 mAppLib32InstallDir = new File(dataDir, "app-lib"); 2081 mEphemeralInstallDir = new File(dataDir, "app-ephemeral"); 2082 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 2083 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 2084 2085 sUserManager = new UserManagerService(context, this, mPackages); 2086 2087 // Propagate permission configuration in to package manager. 2088 ArrayMap<String, SystemConfig.PermissionEntry> permConfig 2089 = systemConfig.getPermissions(); 2090 for (int i=0; i<permConfig.size(); i++) { 2091 SystemConfig.PermissionEntry perm = permConfig.valueAt(i); 2092 BasePermission bp = mSettings.mPermissions.get(perm.name); 2093 if (bp == null) { 2094 bp = new BasePermission(perm.name, "android", BasePermission.TYPE_BUILTIN); 2095 mSettings.mPermissions.put(perm.name, bp); 2096 } 2097 if (perm.gids != null) { 2098 bp.setGids(perm.gids, perm.perUser); 2099 } 2100 } 2101 2102 ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries(); 2103 for (int i=0; i<libConfig.size(); i++) { 2104 mSharedLibraries.put(libConfig.keyAt(i), 2105 new SharedLibraryEntry(libConfig.valueAt(i), null)); 2106 } 2107 2108 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 2109 2110 mRestoredSettings = mSettings.readLPw(sUserManager.getUsers(false)); 2111 2112 String customResolverActivity = Resources.getSystem().getString( 2113 R.string.config_customResolverActivity); 2114 if (TextUtils.isEmpty(customResolverActivity)) { 2115 customResolverActivity = null; 2116 } else { 2117 mCustomResolverComponentName = ComponentName.unflattenFromString( 2118 customResolverActivity); 2119 } 2120 2121 long startTime = SystemClock.uptimeMillis(); 2122 2123 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 2124 startTime); 2125 2126 // Set flag to monitor and not change apk file paths when 2127 // scanning install directories. 2128 final int scanFlags = SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING | SCAN_INITIAL; 2129 2130 final String bootClassPath = System.getenv("BOOTCLASSPATH"); 2131 final String systemServerClassPath = System.getenv("SYSTEMSERVERCLASSPATH"); 2132 2133 if (bootClassPath == null) { 2134 Slog.w(TAG, "No BOOTCLASSPATH found!"); 2135 } 2136 2137 if (systemServerClassPath == null) { 2138 Slog.w(TAG, "No SYSTEMSERVERCLASSPATH found!"); 2139 } 2140 2141 final List<String> allInstructionSets = InstructionSets.getAllInstructionSets(); 2142 final String[] dexCodeInstructionSets = 2143 getDexCodeInstructionSets( 2144 allInstructionSets.toArray(new String[allInstructionSets.size()])); 2145 2146 /** 2147 * Ensure all external libraries have had dexopt run on them. 2148 */ 2149 if (mSharedLibraries.size() > 0) { 2150 // NOTE: For now, we're compiling these system "shared libraries" 2151 // (and framework jars) into all available architectures. It's possible 2152 // to compile them only when we come across an app that uses them (there's 2153 // already logic for that in scanPackageLI) but that adds some complexity. 2154 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 2155 for (SharedLibraryEntry libEntry : mSharedLibraries.values()) { 2156 final String lib = libEntry.path; 2157 if (lib == null) { 2158 continue; 2159 } 2160 2161 try { 2162 int dexoptNeeded = DexFile.getDexOptNeeded(lib, null, dexCodeInstructionSet, false); 2163 if (dexoptNeeded != DexFile.NO_DEXOPT_NEEDED) { 2164 // Shared libraries do not have profiles so we perform a full 2165 // AOT compilation. 2166 mInstaller.dexopt(lib, Process.SYSTEM_UID, dexCodeInstructionSet, 2167 dexoptNeeded, DEXOPT_PUBLIC /*dexFlags*/, 2168 StorageManager.UUID_PRIVATE_INTERNAL, 2169 false /*useProfiles*/); 2170 } 2171 } catch (FileNotFoundException e) { 2172 Slog.w(TAG, "Library not found: " + lib); 2173 } catch (IOException | InstallerException e) { 2174 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 2175 + e.getMessage()); 2176 } 2177 } 2178 } 2179 } 2180 2181 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 2182 2183 final VersionInfo ver = mSettings.getInternalVersion(); 2184 mIsUpgrade = !Build.FINGERPRINT.equals(ver.fingerprint); 2185 // when upgrading from pre-M, promote system app permissions from install to runtime 2186 mPromoteSystemApps = 2187 mIsUpgrade && ver.sdkVersion <= Build.VERSION_CODES.LOLLIPOP_MR1; 2188 2189 // save off the names of pre-existing system packages prior to scanning; we don't 2190 // want to automatically grant runtime permissions for new system apps 2191 if (mPromoteSystemApps) { 2192 Iterator<PackageSetting> pkgSettingIter = mSettings.mPackages.values().iterator(); 2193 while (pkgSettingIter.hasNext()) { 2194 PackageSetting ps = pkgSettingIter.next(); 2195 if (isSystemApp(ps)) { 2196 mExistingSystemPackages.add(ps.name); 2197 } 2198 } 2199 } 2200 2201 // Collect vendor overlay packages. 2202 // (Do this before scanning any apps.) 2203 // For security and version matching reason, only consider 2204 // overlay packages if they reside in VENDOR_OVERLAY_DIR. 2205 File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR); 2206 scanDirTracedLI(vendorOverlayDir, PackageParser.PARSE_IS_SYSTEM 2207 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 2208 2209 // Find base frameworks (resource packages without code). 2210 scanDirTracedLI(frameworkDir, PackageParser.PARSE_IS_SYSTEM 2211 | PackageParser.PARSE_IS_SYSTEM_DIR 2212 | PackageParser.PARSE_IS_PRIVILEGED, 2213 scanFlags | SCAN_NO_DEX, 0); 2214 2215 // Collected privileged system packages. 2216 final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 2217 scanDirTracedLI(privilegedAppDir, PackageParser.PARSE_IS_SYSTEM 2218 | PackageParser.PARSE_IS_SYSTEM_DIR 2219 | PackageParser.PARSE_IS_PRIVILEGED, scanFlags, 0); 2220 2221 // Collect ordinary system packages. 2222 final File systemAppDir = new File(Environment.getRootDirectory(), "app"); 2223 scanDirTracedLI(systemAppDir, PackageParser.PARSE_IS_SYSTEM 2224 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2225 2226 // Collect all vendor packages. 2227 File vendorAppDir = new File("/vendor/app"); 2228 try { 2229 vendorAppDir = vendorAppDir.getCanonicalFile(); 2230 } catch (IOException e) { 2231 // failed to look up canonical path, continue with original one 2232 } 2233 scanDirTracedLI(vendorAppDir, PackageParser.PARSE_IS_SYSTEM 2234 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2235 2236 // Collect all OEM packages. 2237 final File oemAppDir = new File(Environment.getOemDirectory(), "app"); 2238 scanDirTracedLI(oemAppDir, PackageParser.PARSE_IS_SYSTEM 2239 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2240 2241 // Prune any system packages that no longer exist. 2242 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 2243 if (!mOnlyCore) { 2244 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 2245 while (psit.hasNext()) { 2246 PackageSetting ps = psit.next(); 2247 2248 /* 2249 * If this is not a system app, it can't be a 2250 * disable system app. 2251 */ 2252 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 2253 continue; 2254 } 2255 2256 /* 2257 * If the package is scanned, it's not erased. 2258 */ 2259 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 2260 if (scannedPkg != null) { 2261 /* 2262 * If the system app is both scanned and in the 2263 * disabled packages list, then it must have been 2264 * added via OTA. Remove it from the currently 2265 * scanned package so the previously user-installed 2266 * application can be scanned. 2267 */ 2268 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 2269 logCriticalInfo(Log.WARN, "Expecting better updated system app for " 2270 + ps.name + "; removing system app. Last known codePath=" 2271 + ps.codePathString + ", installStatus=" + ps.installStatus 2272 + ", versionCode=" + ps.versionCode + "; scanned versionCode=" 2273 + scannedPkg.mVersionCode); 2274 removePackageLI(scannedPkg, true); 2275 mExpectingBetter.put(ps.name, ps.codePath); 2276 } 2277 2278 continue; 2279 } 2280 2281 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 2282 psit.remove(); 2283 logCriticalInfo(Log.WARN, "System package " + ps.name 2284 + " no longer exists; wiping its data"); 2285 removeDataDirsLI(null, ps.name); 2286 } else { 2287 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 2288 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 2289 possiblyDeletedUpdatedSystemApps.add(ps.name); 2290 } 2291 } 2292 } 2293 } 2294 2295 //look for any incomplete package installations 2296 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 2297 //clean up list 2298 for(int i = 0; i < deletePkgsList.size(); i++) { 2299 //clean up here 2300 cleanupInstallFailedPackage(deletePkgsList.get(i)); 2301 } 2302 //delete tmp files 2303 deleteTempPackageFiles(); 2304 2305 // Remove any shared userIDs that have no associated packages 2306 mSettings.pruneSharedUsersLPw(); 2307 2308 if (!mOnlyCore) { 2309 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 2310 SystemClock.uptimeMillis()); 2311 scanDirTracedLI(mAppInstallDir, 0, scanFlags | SCAN_REQUIRE_KNOWN, 0); 2312 2313 scanDirTracedLI(mDrmAppPrivateInstallDir, PackageParser.PARSE_FORWARD_LOCK, 2314 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2315 2316 scanDirLI(mEphemeralInstallDir, PackageParser.PARSE_IS_EPHEMERAL, 2317 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2318 2319 /** 2320 * Remove disable package settings for any updated system 2321 * apps that were removed via an OTA. If they're not a 2322 * previously-updated app, remove them completely. 2323 * Otherwise, just revoke their system-level permissions. 2324 */ 2325 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 2326 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 2327 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 2328 2329 String msg; 2330 if (deletedPkg == null) { 2331 msg = "Updated system package " + deletedAppName 2332 + " no longer exists; wiping its data"; 2333 removeDataDirsLI(null, deletedAppName); 2334 } else { 2335 msg = "Updated system app + " + deletedAppName 2336 + " no longer present; removing system privileges for " 2337 + deletedAppName; 2338 2339 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 2340 2341 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 2342 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 2343 } 2344 logCriticalInfo(Log.WARN, msg); 2345 } 2346 2347 /** 2348 * Make sure all system apps that we expected to appear on 2349 * the userdata partition actually showed up. If they never 2350 * appeared, crawl back and revive the system version. 2351 */ 2352 for (int i = 0; i < mExpectingBetter.size(); i++) { 2353 final String packageName = mExpectingBetter.keyAt(i); 2354 if (!mPackages.containsKey(packageName)) { 2355 final File scanFile = mExpectingBetter.valueAt(i); 2356 2357 logCriticalInfo(Log.WARN, "Expected better " + packageName 2358 + " but never showed up; reverting to system"); 2359 2360 final int reparseFlags; 2361 if (FileUtils.contains(privilegedAppDir, scanFile)) { 2362 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2363 | PackageParser.PARSE_IS_SYSTEM_DIR 2364 | PackageParser.PARSE_IS_PRIVILEGED; 2365 } else if (FileUtils.contains(systemAppDir, scanFile)) { 2366 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2367 | PackageParser.PARSE_IS_SYSTEM_DIR; 2368 } else if (FileUtils.contains(vendorAppDir, scanFile)) { 2369 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2370 | PackageParser.PARSE_IS_SYSTEM_DIR; 2371 } else if (FileUtils.contains(oemAppDir, scanFile)) { 2372 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2373 | PackageParser.PARSE_IS_SYSTEM_DIR; 2374 } else { 2375 Slog.e(TAG, "Ignoring unexpected fallback path " + scanFile); 2376 continue; 2377 } 2378 2379 mSettings.enableSystemPackageLPw(packageName); 2380 2381 try { 2382 scanPackageTracedLI(scanFile, reparseFlags, scanFlags, 0, null); 2383 } catch (PackageManagerException e) { 2384 Slog.e(TAG, "Failed to parse original system package: " 2385 + e.getMessage()); 2386 } 2387 } 2388 } 2389 } 2390 mExpectingBetter.clear(); 2391 2392 // Now that we know all of the shared libraries, update all clients to have 2393 // the correct library paths. 2394 updateAllSharedLibrariesLPw(); 2395 2396 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 2397 // NOTE: We ignore potential failures here during a system scan (like 2398 // the rest of the commands above) because there's precious little we 2399 // can do about it. A settings error is reported, though. 2400 adjustCpuAbisForSharedUserLPw(setting.packages, null /* scanned package */, 2401 false /* boot complete */); 2402 } 2403 2404 // Now that we know all the packages we are keeping, 2405 // read and update their last usage times. 2406 mPackageUsage.readLP(); 2407 2408 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 2409 SystemClock.uptimeMillis()); 2410 Slog.i(TAG, "Time to scan packages: " 2411 + ((SystemClock.uptimeMillis()-startTime)/1000f) 2412 + " seconds"); 2413 2414 // If the platform SDK has changed since the last time we booted, 2415 // we need to re-grant app permission to catch any new ones that 2416 // appear. This is really a hack, and means that apps can in some 2417 // cases get permissions that the user didn't initially explicitly 2418 // allow... it would be nice to have some better way to handle 2419 // this situation. 2420 int updateFlags = UPDATE_PERMISSIONS_ALL; 2421 if (ver.sdkVersion != mSdkVersion) { 2422 Slog.i(TAG, "Platform changed from " + ver.sdkVersion + " to " 2423 + mSdkVersion + "; regranting permissions for internal storage"); 2424 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 2425 } 2426 updatePermissionsLPw(null, null, StorageManager.UUID_PRIVATE_INTERNAL, updateFlags); 2427 ver.sdkVersion = mSdkVersion; 2428 2429 // If this is the first boot or an update from pre-M, and it is a normal 2430 // boot, then we need to initialize the default preferred apps across 2431 // all defined users. 2432 if (!onlyCore && (mPromoteSystemApps || !mRestoredSettings)) { 2433 for (UserInfo user : sUserManager.getUsers(true)) { 2434 mSettings.applyDefaultPreferredAppsLPw(this, user.id); 2435 applyFactoryDefaultBrowserLPw(user.id); 2436 primeDomainVerificationsLPw(user.id); 2437 } 2438 } 2439 2440 // Prepare storage for system user really early during boot, 2441 // since core system apps like SettingsProvider and SystemUI 2442 // can't wait for user to start 2443 final int storageFlags; 2444 if (StorageManager.isFileBasedEncryptionEnabled()) { 2445 storageFlags = StorageManager.FLAG_STORAGE_DE; 2446 } else { 2447 storageFlags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 2448 } 2449 reconcileAppsData(StorageManager.UUID_PRIVATE_INTERNAL, UserHandle.USER_SYSTEM, 2450 storageFlags); 2451 2452 if (!StorageManager.isFileBasedEncryptionEnabled() 2453 && PackageManager.APPLY_FORCE_DEVICE_ENCRYPTED) { 2454 // When upgrading a non-FBE device, we might need to shuffle 2455 // around the default storage location of system apps 2456 final List<UserInfo> users = sUserManager.getUsers(true); 2457 for (PackageSetting ps : mSettings.mPackages.values()) { 2458 if (ps.pkg == null || !ps.isSystem()) continue; 2459 final int storageTarget = ps.pkg.applicationInfo.isForceDeviceEncrypted() 2460 ? StorageManager.FLAG_STORAGE_DE : StorageManager.FLAG_STORAGE_CE; 2461 for (UserInfo user : users) { 2462 if (ps.getInstalled(user.id)) { 2463 try { 2464 mInstaller.migrateAppData(StorageManager.UUID_PRIVATE_INTERNAL, 2465 ps.name, user.id, storageTarget); 2466 } catch (InstallerException e) { 2467 logCriticalInfo(Log.WARN, 2468 "Failed to migrate " + ps.name + ": " + e.getMessage()); 2469 } 2470 // We may have just shuffled around app data 2471 // directories, so prepare it one more time 2472 prepareAppData(StorageManager.UUID_PRIVATE_INTERNAL, user.id, 2473 storageFlags, ps.pkg, false); 2474 } 2475 } 2476 } 2477 } 2478 2479 // If this is first boot after an OTA, and a normal boot, then 2480 // we need to clear code cache directories. 2481 if (mIsUpgrade && !onlyCore) { 2482 Slog.i(TAG, "Build fingerprint changed; clearing code caches"); 2483 for (int i = 0; i < mSettings.mPackages.size(); i++) { 2484 final PackageSetting ps = mSettings.mPackages.valueAt(i); 2485 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, ps.volumeUuid)) { 2486 deleteCodeCacheDirsLI(ps.volumeUuid, ps.name); 2487 } 2488 } 2489 ver.fingerprint = Build.FINGERPRINT; 2490 } 2491 2492 checkDefaultBrowser(); 2493 2494 // clear only after permissions and other defaults have been updated 2495 mExistingSystemPackages.clear(); 2496 mPromoteSystemApps = false; 2497 2498 // All the changes are done during package scanning. 2499 ver.databaseVersion = Settings.CURRENT_DATABASE_VERSION; 2500 2501 // can downgrade to reader 2502 mSettings.writeLPr(); 2503 2504 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 2505 SystemClock.uptimeMillis()); 2506 2507 if (!mOnlyCore) { 2508 mRequiredVerifierPackage = getRequiredButNotReallyRequiredVerifierLPr(); 2509 mRequiredInstallerPackage = getRequiredInstallerLPr(); 2510 mIntentFilterVerifierComponent = getIntentFilterVerifierComponentNameLPr(); 2511 mIntentFilterVerifier = new IntentVerifierProxy(mContext, 2512 mIntentFilterVerifierComponent); 2513 } else { 2514 mRequiredVerifierPackage = null; 2515 mRequiredInstallerPackage = null; 2516 mIntentFilterVerifierComponent = null; 2517 mIntentFilterVerifier = null; 2518 } 2519 2520 mInstallerService = new PackageInstallerService(context, this); 2521 2522 final ComponentName ephemeralResolverComponent = getEphemeralResolverLPr(); 2523 final ComponentName ephemeralInstallerComponent = getEphemeralInstallerLPr(); 2524 // both the installer and resolver must be present to enable ephemeral 2525 if (ephemeralInstallerComponent != null && ephemeralResolverComponent != null) { 2526 if (DEBUG_EPHEMERAL) { 2527 Slog.i(TAG, "Ephemeral activated; resolver: " + ephemeralResolverComponent 2528 + " installer:" + ephemeralInstallerComponent); 2529 } 2530 mEphemeralResolverComponent = ephemeralResolverComponent; 2531 mEphemeralInstallerComponent = ephemeralInstallerComponent; 2532 setUpEphemeralInstallerActivityLP(mEphemeralInstallerComponent); 2533 mEphemeralResolverConnection = 2534 new EphemeralResolverConnection(mContext, mEphemeralResolverComponent); 2535 } else { 2536 if (DEBUG_EPHEMERAL) { 2537 final String missingComponent = 2538 (ephemeralResolverComponent == null) 2539 ? (ephemeralInstallerComponent == null) 2540 ? "resolver and installer" 2541 : "resolver" 2542 : "installer"; 2543 Slog.i(TAG, "Ephemeral deactivated; missing " + missingComponent); 2544 } 2545 mEphemeralResolverComponent = null; 2546 mEphemeralInstallerComponent = null; 2547 mEphemeralResolverConnection = null; 2548 } 2549 2550 mEphemeralApplicationRegistry = new EphemeralApplicationRegistry(this); 2551 } // synchronized (mPackages) 2552 } // synchronized (mInstallLock) 2553 2554 // Now after opening every single application zip, make sure they 2555 // are all flushed. Not really needed, but keeps things nice and 2556 // tidy. 2557 Runtime.getRuntime().gc(); 2558 2559 // The initial scanning above does many calls into installd while 2560 // holding the mPackages lock, but we're mostly interested in yelling 2561 // once we have a booted system. 2562 mInstaller.setWarnIfHeld(mPackages); 2563 2564 // Expose private service for system components to use. 2565 LocalServices.addService(PackageManagerInternal.class, new PackageManagerInternalImpl()); 2566 } 2567 2568 @Override 2569 public boolean isFirstBoot() { 2570 return !mRestoredSettings; 2571 } 2572 2573 @Override 2574 public boolean isOnlyCoreApps() { 2575 return mOnlyCore; 2576 } 2577 2578 @Override 2579 public boolean isUpgrade() { 2580 return mIsUpgrade; 2581 } 2582 2583 private @Nullable String getRequiredButNotReallyRequiredVerifierLPr() { 2584 final Intent intent = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 2585 2586 final List<ResolveInfo> matches = queryIntentReceivers(intent, PACKAGE_MIME_TYPE, 2587 MATCH_SYSTEM_ONLY | MATCH_ENCRYPTION_AWARE_AND_UNAWARE, UserHandle.USER_SYSTEM); 2588 if (matches.size() == 1) { 2589 return matches.get(0).getComponentInfo().packageName; 2590 } else { 2591 Log.e(TAG, "There should probably be exactly one verifier; found " + matches); 2592 return null; 2593 } 2594 } 2595 2596 private @NonNull String getRequiredInstallerLPr() { 2597 final Intent intent = new Intent(Intent.ACTION_INSTALL_PACKAGE); 2598 intent.addCategory(Intent.CATEGORY_DEFAULT); 2599 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2600 2601 final List<ResolveInfo> matches = queryIntentActivities(intent, PACKAGE_MIME_TYPE, 2602 MATCH_SYSTEM_ONLY | MATCH_ENCRYPTION_AWARE_AND_UNAWARE, UserHandle.USER_SYSTEM); 2603 if (matches.size() == 1) { 2604 return matches.get(0).getComponentInfo().packageName; 2605 } else { 2606 throw new RuntimeException("There must be exactly one installer; found " + matches); 2607 } 2608 } 2609 2610 private @NonNull ComponentName getIntentFilterVerifierComponentNameLPr() { 2611 final Intent intent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 2612 2613 final List<ResolveInfo> matches = queryIntentReceivers(intent, PACKAGE_MIME_TYPE, 2614 MATCH_SYSTEM_ONLY | MATCH_ENCRYPTION_AWARE_AND_UNAWARE, UserHandle.USER_SYSTEM); 2615 ResolveInfo best = null; 2616 final int N = matches.size(); 2617 for (int i = 0; i < N; i++) { 2618 final ResolveInfo cur = matches.get(i); 2619 final String packageName = cur.getComponentInfo().packageName; 2620 if (checkPermission(android.Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 2621 packageName, UserHandle.USER_SYSTEM) != PackageManager.PERMISSION_GRANTED) { 2622 continue; 2623 } 2624 2625 if (best == null || cur.priority > best.priority) { 2626 best = cur; 2627 } 2628 } 2629 2630 if (best != null) { 2631 return best.getComponentInfo().getComponentName(); 2632 } else { 2633 throw new RuntimeException("There must be at least one intent filter verifier"); 2634 } 2635 } 2636 2637 private @Nullable ComponentName getEphemeralResolverLPr() { 2638 final String[] packageArray = 2639 mContext.getResources().getStringArray(R.array.config_ephemeralResolverPackage); 2640 if (packageArray.length == 0) { 2641 if (DEBUG_EPHEMERAL) { 2642 Slog.d(TAG, "Ephemeral resolver NOT found; empty package list"); 2643 } 2644 return null; 2645 } 2646 2647 final Intent resolverIntent = new Intent(Intent.ACTION_RESOLVE_EPHEMERAL_PACKAGE); 2648 final List<ResolveInfo> resolvers = queryIntentServices(resolverIntent, null, 2649 MATCH_SYSTEM_ONLY | MATCH_ENCRYPTION_AWARE_AND_UNAWARE, UserHandle.USER_SYSTEM); 2650 2651 final int N = resolvers.size(); 2652 if (N == 0) { 2653 if (DEBUG_EPHEMERAL) { 2654 Slog.d(TAG, "Ephemeral resolver NOT found; no matching intent filters"); 2655 } 2656 return null; 2657 } 2658 2659 final Set<String> possiblePackages = new ArraySet<>(Arrays.asList(packageArray)); 2660 for (int i = 0; i < N; i++) { 2661 final ResolveInfo info = resolvers.get(i); 2662 2663 if (info.serviceInfo == null) { 2664 continue; 2665 } 2666 2667 final String packageName = info.serviceInfo.packageName; 2668 if (!possiblePackages.contains(packageName)) { 2669 if (DEBUG_EPHEMERAL) { 2670 Slog.d(TAG, "Ephemeral resolver not in allowed package list;" 2671 + " pkg: " + packageName + ", info:" + info); 2672 } 2673 continue; 2674 } 2675 2676 if (DEBUG_EPHEMERAL) { 2677 Slog.v(TAG, "Ephemeral resolver found;" 2678 + " pkg: " + packageName + ", info:" + info); 2679 } 2680 return new ComponentName(packageName, info.serviceInfo.name); 2681 } 2682 if (DEBUG_EPHEMERAL) { 2683 Slog.v(TAG, "Ephemeral resolver NOT found"); 2684 } 2685 return null; 2686 } 2687 2688 private @Nullable ComponentName getEphemeralInstallerLPr() { 2689 final Intent intent = new Intent(Intent.ACTION_INSTALL_EPHEMERAL_PACKAGE); 2690 intent.addCategory(Intent.CATEGORY_DEFAULT); 2691 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2692 2693 final List<ResolveInfo> matches = queryIntentActivities(intent, PACKAGE_MIME_TYPE, 2694 MATCH_SYSTEM_ONLY | MATCH_ENCRYPTION_AWARE_AND_UNAWARE, UserHandle.USER_SYSTEM); 2695 if (matches.size() == 0) { 2696 return null; 2697 } else if (matches.size() == 1) { 2698 return matches.get(0).getComponentInfo().getComponentName(); 2699 } else { 2700 throw new RuntimeException( 2701 "There must be at most one ephemeral installer; found " + matches); 2702 } 2703 } 2704 2705 private void primeDomainVerificationsLPw(int userId) { 2706 if (DEBUG_DOMAIN_VERIFICATION) { 2707 Slog.d(TAG, "Priming domain verifications in user " + userId); 2708 } 2709 2710 SystemConfig systemConfig = SystemConfig.getInstance(); 2711 ArraySet<String> packages = systemConfig.getLinkedApps(); 2712 ArraySet<String> domains = new ArraySet<String>(); 2713 2714 for (String packageName : packages) { 2715 PackageParser.Package pkg = mPackages.get(packageName); 2716 if (pkg != null) { 2717 if (!pkg.isSystemApp()) { 2718 Slog.w(TAG, "Non-system app '" + packageName + "' in sysconfig <app-link>"); 2719 continue; 2720 } 2721 2722 domains.clear(); 2723 for (PackageParser.Activity a : pkg.activities) { 2724 for (ActivityIntentInfo filter : a.intents) { 2725 if (hasValidDomains(filter)) { 2726 domains.addAll(filter.getHostsList()); 2727 } 2728 } 2729 } 2730 2731 if (domains.size() > 0) { 2732 if (DEBUG_DOMAIN_VERIFICATION) { 2733 Slog.v(TAG, " + " + packageName); 2734 } 2735 // 'Undefined' in the global IntentFilterVerificationInfo, i.e. the usual 2736 // state w.r.t. the formal app-linkage "no verification attempted" state; 2737 // and then 'always' in the per-user state actually used for intent resolution. 2738 final IntentFilterVerificationInfo ivi; 2739 ivi = mSettings.createIntentFilterVerificationIfNeededLPw(packageName, 2740 new ArrayList<String>(domains)); 2741 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED); 2742 mSettings.updateIntentFilterVerificationStatusLPw(packageName, 2743 INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, userId); 2744 } else { 2745 Slog.w(TAG, "Sysconfig <app-link> package '" + packageName 2746 + "' does not handle web links"); 2747 } 2748 } else { 2749 Slog.w(TAG, "Unknown package " + packageName + " in sysconfig <app-link>"); 2750 } 2751 } 2752 2753 scheduleWritePackageRestrictionsLocked(userId); 2754 scheduleWriteSettingsLocked(); 2755 } 2756 2757 private void applyFactoryDefaultBrowserLPw(int userId) { 2758 // The default browser app's package name is stored in a string resource, 2759 // with a product-specific overlay used for vendor customization. 2760 String browserPkg = mContext.getResources().getString( 2761 com.android.internal.R.string.default_browser); 2762 if (!TextUtils.isEmpty(browserPkg)) { 2763 // non-empty string => required to be a known package 2764 PackageSetting ps = mSettings.mPackages.get(browserPkg); 2765 if (ps == null) { 2766 Slog.e(TAG, "Product default browser app does not exist: " + browserPkg); 2767 browserPkg = null; 2768 } else { 2769 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 2770 } 2771 } 2772 2773 // Nothing valid explicitly set? Make the factory-installed browser the explicit 2774 // default. If there's more than one, just leave everything alone. 2775 if (browserPkg == null) { 2776 calculateDefaultBrowserLPw(userId); 2777 } 2778 } 2779 2780 private void calculateDefaultBrowserLPw(int userId) { 2781 List<String> allBrowsers = resolveAllBrowserApps(userId); 2782 final String browserPkg = (allBrowsers.size() == 1) ? allBrowsers.get(0) : null; 2783 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 2784 } 2785 2786 private List<String> resolveAllBrowserApps(int userId) { 2787 // Resolve the canonical browser intent and check that the handleAllWebDataURI boolean is set 2788 List<ResolveInfo> list = queryIntentActivities(sBrowserIntent, null, 2789 PackageManager.MATCH_ALL, userId); 2790 2791 final int count = list.size(); 2792 List<String> result = new ArrayList<String>(count); 2793 for (int i=0; i<count; i++) { 2794 ResolveInfo info = list.get(i); 2795 if (info.activityInfo == null 2796 || !info.handleAllWebDataURI 2797 || (info.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 0 2798 || result.contains(info.activityInfo.packageName)) { 2799 continue; 2800 } 2801 result.add(info.activityInfo.packageName); 2802 } 2803 2804 return result; 2805 } 2806 2807 private boolean packageIsBrowser(String packageName, int userId) { 2808 List<ResolveInfo> list = queryIntentActivities(sBrowserIntent, null, 2809 PackageManager.MATCH_ALL, userId); 2810 final int N = list.size(); 2811 for (int i = 0; i < N; i++) { 2812 ResolveInfo info = list.get(i); 2813 if (packageName.equals(info.activityInfo.packageName)) { 2814 return true; 2815 } 2816 } 2817 return false; 2818 } 2819 2820 private void checkDefaultBrowser() { 2821 final int myUserId = UserHandle.myUserId(); 2822 final String packageName = getDefaultBrowserPackageName(myUserId); 2823 if (packageName != null) { 2824 PackageInfo info = getPackageInfo(packageName, 0, myUserId); 2825 if (info == null) { 2826 Slog.w(TAG, "Default browser no longer installed: " + packageName); 2827 synchronized (mPackages) { 2828 applyFactoryDefaultBrowserLPw(myUserId); // leaves ambiguous when > 1 2829 } 2830 } 2831 } 2832 } 2833 2834 @Override 2835 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 2836 throws RemoteException { 2837 try { 2838 return super.onTransact(code, data, reply, flags); 2839 } catch (RuntimeException e) { 2840 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 2841 Slog.wtf(TAG, "Package Manager Crash", e); 2842 } 2843 throw e; 2844 } 2845 } 2846 2847 void cleanupInstallFailedPackage(PackageSetting ps) { 2848 logCriticalInfo(Log.WARN, "Cleaning up incompletely installed app: " + ps.name); 2849 2850 removeDataDirsLI(ps.volumeUuid, ps.name); 2851 if (ps.codePath != null) { 2852 removeCodePathLI(ps.codePath); 2853 } 2854 if (ps.resourcePath != null && !ps.resourcePath.equals(ps.codePath)) { 2855 if (ps.resourcePath.isDirectory()) { 2856 FileUtils.deleteContents(ps.resourcePath); 2857 } 2858 ps.resourcePath.delete(); 2859 } 2860 mSettings.removePackageLPw(ps.name); 2861 } 2862 2863 static int[] appendInts(int[] cur, int[] add) { 2864 if (add == null) return cur; 2865 if (cur == null) return add; 2866 final int N = add.length; 2867 for (int i=0; i<N; i++) { 2868 cur = appendInt(cur, add[i]); 2869 } 2870 return cur; 2871 } 2872 2873 PackageInfo generatePackageInfo(PackageParser.Package p, int flags, int userId) { 2874 if (!sUserManager.exists(userId)) return null; 2875 final PackageSetting ps = (PackageSetting) p.mExtras; 2876 if (ps == null) { 2877 return null; 2878 } 2879 2880 final PermissionsState permissionsState = ps.getPermissionsState(); 2881 2882 final int[] gids = permissionsState.computeGids(userId); 2883 final Set<String> permissions = permissionsState.getPermissions(userId); 2884 final PackageUserState state = ps.readUserState(userId); 2885 2886 return PackageParser.generatePackageInfo(p, gids, flags, 2887 ps.firstInstallTime, ps.lastUpdateTime, permissions, state, userId); 2888 } 2889 2890 @Override 2891 public void checkPackageStartable(String packageName, int userId) { 2892 final boolean userKeyUnlocked = isUserKeyUnlocked(userId); 2893 2894 synchronized (mPackages) { 2895 final PackageSetting ps = mSettings.mPackages.get(packageName); 2896 if (ps == null) { 2897 throw new SecurityException("Package " + packageName + " was not found!"); 2898 } 2899 2900 if (mSafeMode && !ps.isSystem()) { 2901 throw new SecurityException("Package " + packageName + " not a system app!"); 2902 } 2903 2904 if (ps.frozen) { 2905 throw new SecurityException("Package " + packageName + " is currently frozen!"); 2906 } 2907 2908 if (!userKeyUnlocked && !(ps.pkg.applicationInfo.isEncryptionAware() 2909 || ps.pkg.applicationInfo.isPartiallyEncryptionAware())) { 2910 throw new SecurityException("Package " + packageName + " is not encryption aware!"); 2911 } 2912 } 2913 } 2914 2915 @Override 2916 public boolean isPackageAvailable(String packageName, int userId) { 2917 if (!sUserManager.exists(userId)) return false; 2918 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "is package available"); 2919 synchronized (mPackages) { 2920 PackageParser.Package p = mPackages.get(packageName); 2921 if (p != null) { 2922 final PackageSetting ps = (PackageSetting) p.mExtras; 2923 if (ps != null) { 2924 final PackageUserState state = ps.readUserState(userId); 2925 if (state != null) { 2926 return PackageParser.isAvailable(state); 2927 } 2928 } 2929 } 2930 } 2931 return false; 2932 } 2933 2934 @Override 2935 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 2936 if (!sUserManager.exists(userId)) return null; 2937 flags = updateFlagsForPackage(flags, userId, packageName); 2938 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get package info"); 2939 // reader 2940 synchronized (mPackages) { 2941 PackageParser.Package p = mPackages.get(packageName); 2942 if (DEBUG_PACKAGE_INFO) 2943 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 2944 if (p != null) { 2945 return generatePackageInfo(p, flags, userId); 2946 } 2947 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 2948 return generatePackageInfoFromSettingsLPw(packageName, flags, userId); 2949 } 2950 } 2951 return null; 2952 } 2953 2954 @Override 2955 public String[] currentToCanonicalPackageNames(String[] names) { 2956 String[] out = new String[names.length]; 2957 // reader 2958 synchronized (mPackages) { 2959 for (int i=names.length-1; i>=0; i--) { 2960 PackageSetting ps = mSettings.mPackages.get(names[i]); 2961 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 2962 } 2963 } 2964 return out; 2965 } 2966 2967 @Override 2968 public String[] canonicalToCurrentPackageNames(String[] names) { 2969 String[] out = new String[names.length]; 2970 // reader 2971 synchronized (mPackages) { 2972 for (int i=names.length-1; i>=0; i--) { 2973 String cur = mSettings.mRenamedPackages.get(names[i]); 2974 out[i] = cur != null ? cur : names[i]; 2975 } 2976 } 2977 return out; 2978 } 2979 2980 @Override 2981 public int getPackageUid(String packageName, int flags, int userId) { 2982 if (!sUserManager.exists(userId)) return -1; 2983 flags = updateFlagsForPackage(flags, userId, packageName); 2984 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get package uid"); 2985 2986 // reader 2987 synchronized (mPackages) { 2988 final PackageParser.Package p = mPackages.get(packageName); 2989 if (p != null && p.isMatch(flags)) { 2990 return UserHandle.getUid(userId, p.applicationInfo.uid); 2991 } 2992 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 2993 final PackageSetting ps = mSettings.mPackages.get(packageName); 2994 if (ps != null && ps.isMatch(flags)) { 2995 return UserHandle.getUid(userId, ps.appId); 2996 } 2997 } 2998 } 2999 3000 return -1; 3001 } 3002 3003 @Override 3004 public int[] getPackageGids(String packageName, int flags, int userId) { 3005 if (!sUserManager.exists(userId)) return null; 3006 flags = updateFlagsForPackage(flags, userId, packageName); 3007 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, 3008 "getPackageGids"); 3009 3010 // reader 3011 synchronized (mPackages) { 3012 final PackageParser.Package p = mPackages.get(packageName); 3013 if (p != null && p.isMatch(flags)) { 3014 PackageSetting ps = (PackageSetting) p.mExtras; 3015 return ps.getPermissionsState().computeGids(userId); 3016 } 3017 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3018 final PackageSetting ps = mSettings.mPackages.get(packageName); 3019 if (ps != null && ps.isMatch(flags)) { 3020 return ps.getPermissionsState().computeGids(userId); 3021 } 3022 } 3023 } 3024 3025 return null; 3026 } 3027 3028 static PermissionInfo generatePermissionInfo(BasePermission bp, int flags) { 3029 if (bp.perm != null) { 3030 return PackageParser.generatePermissionInfo(bp.perm, flags); 3031 } 3032 PermissionInfo pi = new PermissionInfo(); 3033 pi.name = bp.name; 3034 pi.packageName = bp.sourcePackage; 3035 pi.nonLocalizedLabel = bp.name; 3036 pi.protectionLevel = bp.protectionLevel; 3037 return pi; 3038 } 3039 3040 @Override 3041 public PermissionInfo getPermissionInfo(String name, int flags) { 3042 // reader 3043 synchronized (mPackages) { 3044 final BasePermission p = mSettings.mPermissions.get(name); 3045 if (p != null) { 3046 return generatePermissionInfo(p, flags); 3047 } 3048 return null; 3049 } 3050 } 3051 3052 @Override 3053 public List<PermissionInfo> queryPermissionsByGroup(String group, int flags) { 3054 // reader 3055 synchronized (mPackages) { 3056 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 3057 for (BasePermission p : mSettings.mPermissions.values()) { 3058 if (group == null) { 3059 if (p.perm == null || p.perm.info.group == null) { 3060 out.add(generatePermissionInfo(p, flags)); 3061 } 3062 } else { 3063 if (p.perm != null && group.equals(p.perm.info.group)) { 3064 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 3065 } 3066 } 3067 } 3068 3069 if (out.size() > 0) { 3070 return out; 3071 } 3072 return mPermissionGroups.containsKey(group) ? out : null; 3073 } 3074 } 3075 3076 @Override 3077 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 3078 // reader 3079 synchronized (mPackages) { 3080 return PackageParser.generatePermissionGroupInfo( 3081 mPermissionGroups.get(name), flags); 3082 } 3083 } 3084 3085 @Override 3086 public List<PermissionGroupInfo> getAllPermissionGroups(int flags) { 3087 // reader 3088 synchronized (mPackages) { 3089 final int N = mPermissionGroups.size(); 3090 ArrayList<PermissionGroupInfo> out 3091 = new ArrayList<PermissionGroupInfo>(N); 3092 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 3093 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 3094 } 3095 return out; 3096 } 3097 } 3098 3099 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 3100 int userId) { 3101 if (!sUserManager.exists(userId)) return null; 3102 PackageSetting ps = mSettings.mPackages.get(packageName); 3103 if (ps != null) { 3104 if (ps.pkg == null) { 3105 PackageInfo pInfo = generatePackageInfoFromSettingsLPw(packageName, 3106 flags, userId); 3107 if (pInfo != null) { 3108 return pInfo.applicationInfo; 3109 } 3110 return null; 3111 } 3112 return PackageParser.generateApplicationInfo(ps.pkg, flags, 3113 ps.readUserState(userId), userId); 3114 } 3115 return null; 3116 } 3117 3118 private PackageInfo generatePackageInfoFromSettingsLPw(String packageName, int flags, 3119 int userId) { 3120 if (!sUserManager.exists(userId)) return null; 3121 PackageSetting ps = mSettings.mPackages.get(packageName); 3122 if (ps != null) { 3123 PackageParser.Package pkg = ps.pkg; 3124 if (pkg == null) { 3125 if ((flags & MATCH_UNINSTALLED_PACKAGES) == 0) { 3126 return null; 3127 } 3128 // Only data remains, so we aren't worried about code paths 3129 pkg = new PackageParser.Package(packageName); 3130 pkg.applicationInfo.packageName = packageName; 3131 pkg.applicationInfo.flags = ps.pkgFlags | ApplicationInfo.FLAG_IS_DATA_ONLY; 3132 pkg.applicationInfo.privateFlags = ps.pkgPrivateFlags; 3133 pkg.applicationInfo.uid = ps.appId; 3134 pkg.applicationInfo.initForUser(userId); 3135 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 3136 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 3137 } 3138 return generatePackageInfo(pkg, flags, userId); 3139 } 3140 return null; 3141 } 3142 3143 @Override 3144 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 3145 if (!sUserManager.exists(userId)) return null; 3146 flags = updateFlagsForApplication(flags, userId, packageName); 3147 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get application info"); 3148 // writer 3149 synchronized (mPackages) { 3150 PackageParser.Package p = mPackages.get(packageName); 3151 if (DEBUG_PACKAGE_INFO) Log.v( 3152 TAG, "getApplicationInfo " + packageName 3153 + ": " + p); 3154 if (p != null) { 3155 PackageSetting ps = mSettings.mPackages.get(packageName); 3156 if (ps == null) return null; 3157 // Note: isEnabledLP() does not apply here - always return info 3158 return PackageParser.generateApplicationInfo( 3159 p, flags, ps.readUserState(userId), userId); 3160 } 3161 if ("android".equals(packageName)||"system".equals(packageName)) { 3162 return mAndroidApplication; 3163 } 3164 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3165 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 3166 } 3167 } 3168 return null; 3169 } 3170 3171 @Override 3172 public void freeStorageAndNotify(final String volumeUuid, final long freeStorageSize, 3173 final IPackageDataObserver observer) { 3174 mContext.enforceCallingOrSelfPermission( 3175 android.Manifest.permission.CLEAR_APP_CACHE, null); 3176 // Queue up an async operation since clearing cache may take a little while. 3177 mHandler.post(new Runnable() { 3178 public void run() { 3179 mHandler.removeCallbacks(this); 3180 boolean success = true; 3181 synchronized (mInstallLock) { 3182 try { 3183 mInstaller.freeCache(volumeUuid, freeStorageSize); 3184 } catch (InstallerException e) { 3185 Slog.w(TAG, "Couldn't clear application caches: " + e); 3186 success = false; 3187 } 3188 } 3189 if (observer != null) { 3190 try { 3191 observer.onRemoveCompleted(null, success); 3192 } catch (RemoteException e) { 3193 Slog.w(TAG, "RemoveException when invoking call back"); 3194 } 3195 } 3196 } 3197 }); 3198 } 3199 3200 @Override 3201 public void freeStorage(final String volumeUuid, final long freeStorageSize, 3202 final IntentSender pi) { 3203 mContext.enforceCallingOrSelfPermission( 3204 android.Manifest.permission.CLEAR_APP_CACHE, null); 3205 // Queue up an async operation since clearing cache may take a little while. 3206 mHandler.post(new Runnable() { 3207 public void run() { 3208 mHandler.removeCallbacks(this); 3209 boolean success = true; 3210 synchronized (mInstallLock) { 3211 try { 3212 mInstaller.freeCache(volumeUuid, freeStorageSize); 3213 } catch (InstallerException e) { 3214 Slog.w(TAG, "Couldn't clear application caches: " + e); 3215 success = false; 3216 } 3217 } 3218 if(pi != null) { 3219 try { 3220 // Callback via pending intent 3221 int code = success ? 1 : 0; 3222 pi.sendIntent(null, code, null, 3223 null, null); 3224 } catch (SendIntentException e1) { 3225 Slog.i(TAG, "Failed to send pending intent"); 3226 } 3227 } 3228 } 3229 }); 3230 } 3231 3232 void freeStorage(String volumeUuid, long freeStorageSize) throws IOException { 3233 synchronized (mInstallLock) { 3234 try { 3235 mInstaller.freeCache(volumeUuid, freeStorageSize); 3236 } catch (InstallerException e) { 3237 throw new IOException("Failed to free enough space", e); 3238 } 3239 } 3240 } 3241 3242 /** 3243 * Return if the user key is currently unlocked. 3244 */ 3245 private boolean isUserKeyUnlocked(int userId) { 3246 if (StorageManager.isFileBasedEncryptionEnabled()) { 3247 final IMountService mount = IMountService.Stub 3248 .asInterface(ServiceManager.getService("mount")); 3249 if (mount == null) { 3250 Slog.w(TAG, "Early during boot, assuming locked"); 3251 return false; 3252 } 3253 final long token = Binder.clearCallingIdentity(); 3254 try { 3255 return mount.isUserKeyUnlocked(userId); 3256 } catch (RemoteException e) { 3257 throw e.rethrowAsRuntimeException(); 3258 } finally { 3259 Binder.restoreCallingIdentity(token); 3260 } 3261 } else { 3262 return true; 3263 } 3264 } 3265 3266 /** 3267 * Update given flags based on encryption status of current user. 3268 */ 3269 private int updateFlags(int flags, int userId) { 3270 if ((flags & (PackageManager.MATCH_ENCRYPTION_UNAWARE 3271 | PackageManager.MATCH_ENCRYPTION_AWARE)) != 0) { 3272 // Caller expressed an explicit opinion about what encryption 3273 // aware/unaware components they want to see, so fall through and 3274 // give them what they want 3275 } else { 3276 // Caller expressed no opinion, so match based on user state 3277 if (isUserKeyUnlocked(userId)) { 3278 flags |= PackageManager.MATCH_ENCRYPTION_AWARE_AND_UNAWARE; 3279 } else { 3280 flags |= PackageManager.MATCH_ENCRYPTION_AWARE; 3281 } 3282 } 3283 return flags; 3284 } 3285 3286 /** 3287 * Update given flags when being used to request {@link PackageInfo}. 3288 */ 3289 private int updateFlagsForPackage(int flags, int userId, Object cookie) { 3290 boolean triaged = true; 3291 if ((flags & (PackageManager.GET_ACTIVITIES | PackageManager.GET_RECEIVERS 3292 | PackageManager.GET_SERVICES | PackageManager.GET_PROVIDERS)) != 0) { 3293 // Caller is asking for component details, so they'd better be 3294 // asking for specific encryption matching behavior, or be triaged 3295 if ((flags & (PackageManager.MATCH_ENCRYPTION_UNAWARE 3296 | PackageManager.MATCH_ENCRYPTION_AWARE 3297 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3298 triaged = false; 3299 } 3300 } 3301 if ((flags & (PackageManager.MATCH_UNINSTALLED_PACKAGES 3302 | PackageManager.MATCH_SYSTEM_ONLY 3303 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3304 triaged = false; 3305 } 3306 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3307 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3308 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3309 } 3310 return updateFlags(flags, userId); 3311 } 3312 3313 /** 3314 * Update given flags when being used to request {@link ApplicationInfo}. 3315 */ 3316 private int updateFlagsForApplication(int flags, int userId, Object cookie) { 3317 return updateFlagsForPackage(flags, userId, cookie); 3318 } 3319 3320 /** 3321 * Update given flags when being used to request {@link ComponentInfo}. 3322 */ 3323 private int updateFlagsForComponent(int flags, int userId, Object cookie) { 3324 if (cookie instanceof Intent) { 3325 if ((((Intent) cookie).getFlags() & Intent.FLAG_DEBUG_TRIAGED_MISSING) != 0) { 3326 flags |= PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 3327 } 3328 } 3329 3330 boolean triaged = true; 3331 // Caller is asking for component details, so they'd better be 3332 // asking for specific encryption matching behavior, or be triaged 3333 if ((flags & (PackageManager.MATCH_ENCRYPTION_UNAWARE 3334 | PackageManager.MATCH_ENCRYPTION_AWARE 3335 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3336 triaged = false; 3337 } 3338 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3339 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3340 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3341 } 3342 3343 return updateFlags(flags, userId); 3344 } 3345 3346 /** 3347 * Update given flags when being used to request {@link ResolveInfo}. 3348 */ 3349 int updateFlagsForResolve(int flags, int userId, Object cookie) { 3350 // Safe mode means we shouldn't match any third-party components 3351 if (mSafeMode) { 3352 flags |= PackageManager.MATCH_SYSTEM_ONLY; 3353 } 3354 3355 return updateFlagsForComponent(flags, userId, cookie); 3356 } 3357 3358 @Override 3359 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 3360 if (!sUserManager.exists(userId)) return null; 3361 flags = updateFlagsForComponent(flags, userId, component); 3362 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get activity info"); 3363 synchronized (mPackages) { 3364 PackageParser.Activity a = mActivities.mActivities.get(component); 3365 3366 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 3367 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3368 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3369 if (ps == null) return null; 3370 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3371 userId); 3372 } 3373 if (mResolveComponentName.equals(component)) { 3374 return PackageParser.generateActivityInfo(mResolveActivity, flags, 3375 new PackageUserState(), userId); 3376 } 3377 } 3378 return null; 3379 } 3380 3381 @Override 3382 public boolean activitySupportsIntent(ComponentName component, Intent intent, 3383 String resolvedType) { 3384 synchronized (mPackages) { 3385 if (component.equals(mResolveComponentName)) { 3386 // The resolver supports EVERYTHING! 3387 return true; 3388 } 3389 PackageParser.Activity a = mActivities.mActivities.get(component); 3390 if (a == null) { 3391 return false; 3392 } 3393 for (int i=0; i<a.intents.size(); i++) { 3394 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 3395 intent.getData(), intent.getCategories(), TAG) >= 0) { 3396 return true; 3397 } 3398 } 3399 return false; 3400 } 3401 } 3402 3403 @Override 3404 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 3405 if (!sUserManager.exists(userId)) return null; 3406 flags = updateFlagsForComponent(flags, userId, component); 3407 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get receiver info"); 3408 synchronized (mPackages) { 3409 PackageParser.Activity a = mReceivers.mActivities.get(component); 3410 if (DEBUG_PACKAGE_INFO) Log.v( 3411 TAG, "getReceiverInfo " + component + ": " + a); 3412 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3413 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3414 if (ps == null) return null; 3415 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3416 userId); 3417 } 3418 } 3419 return null; 3420 } 3421 3422 @Override 3423 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 3424 if (!sUserManager.exists(userId)) return null; 3425 flags = updateFlagsForComponent(flags, userId, component); 3426 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get service info"); 3427 synchronized (mPackages) { 3428 PackageParser.Service s = mServices.mServices.get(component); 3429 if (DEBUG_PACKAGE_INFO) Log.v( 3430 TAG, "getServiceInfo " + component + ": " + s); 3431 if (s != null && mSettings.isEnabledAndMatchLPr(s.info, flags, userId)) { 3432 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3433 if (ps == null) return null; 3434 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 3435 userId); 3436 } 3437 } 3438 return null; 3439 } 3440 3441 @Override 3442 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 3443 if (!sUserManager.exists(userId)) return null; 3444 flags = updateFlagsForComponent(flags, userId, component); 3445 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get provider info"); 3446 synchronized (mPackages) { 3447 PackageParser.Provider p = mProviders.mProviders.get(component); 3448 if (DEBUG_PACKAGE_INFO) Log.v( 3449 TAG, "getProviderInfo " + component + ": " + p); 3450 if (p != null && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 3451 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3452 if (ps == null) return null; 3453 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 3454 userId); 3455 } 3456 } 3457 return null; 3458 } 3459 3460 @Override 3461 public String[] getSystemSharedLibraryNames() { 3462 Set<String> libSet; 3463 synchronized (mPackages) { 3464 libSet = mSharedLibraries.keySet(); 3465 int size = libSet.size(); 3466 if (size > 0) { 3467 String[] libs = new String[size]; 3468 libSet.toArray(libs); 3469 return libs; 3470 } 3471 } 3472 return null; 3473 } 3474 3475 @Override 3476 public @Nullable String getServicesSystemSharedLibraryPackageName() { 3477 synchronized (mPackages) { 3478 SharedLibraryEntry libraryEntry = mSharedLibraries.get( 3479 PackageManager.SYSTEM_SHARED_LIBRARY_SERVICES); 3480 if (libraryEntry != null) { 3481 return libraryEntry.apk; 3482 } 3483 } 3484 return null; 3485 } 3486 3487 @Override 3488 public FeatureInfo[] getSystemAvailableFeatures() { 3489 Collection<FeatureInfo> featSet; 3490 synchronized (mPackages) { 3491 featSet = mAvailableFeatures.values(); 3492 int size = featSet.size(); 3493 if (size > 0) { 3494 FeatureInfo[] features = new FeatureInfo[size+1]; 3495 featSet.toArray(features); 3496 FeatureInfo fi = new FeatureInfo(); 3497 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 3498 FeatureInfo.GL_ES_VERSION_UNDEFINED); 3499 features[size] = fi; 3500 return features; 3501 } 3502 } 3503 return null; 3504 } 3505 3506 @Override 3507 public boolean hasSystemFeature(String name, int version) { 3508 synchronized (mPackages) { 3509 final FeatureInfo feat = mAvailableFeatures.get(name); 3510 if (feat == null) { 3511 return false; 3512 } else { 3513 return feat.version >= version; 3514 } 3515 } 3516 } 3517 3518 @Override 3519 public int checkPermission(String permName, String pkgName, int userId) { 3520 if (!sUserManager.exists(userId)) { 3521 return PackageManager.PERMISSION_DENIED; 3522 } 3523 3524 synchronized (mPackages) { 3525 final PackageParser.Package p = mPackages.get(pkgName); 3526 if (p != null && p.mExtras != null) { 3527 final PackageSetting ps = (PackageSetting) p.mExtras; 3528 final PermissionsState permissionsState = ps.getPermissionsState(); 3529 if (permissionsState.hasPermission(permName, userId)) { 3530 return PackageManager.PERMISSION_GRANTED; 3531 } 3532 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3533 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3534 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3535 return PackageManager.PERMISSION_GRANTED; 3536 } 3537 } 3538 } 3539 3540 return PackageManager.PERMISSION_DENIED; 3541 } 3542 3543 @Override 3544 public int checkUidPermission(String permName, int uid) { 3545 final int userId = UserHandle.getUserId(uid); 3546 3547 if (!sUserManager.exists(userId)) { 3548 return PackageManager.PERMISSION_DENIED; 3549 } 3550 3551 synchronized (mPackages) { 3552 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 3553 if (obj != null) { 3554 final SettingBase ps = (SettingBase) obj; 3555 final PermissionsState permissionsState = ps.getPermissionsState(); 3556 if (permissionsState.hasPermission(permName, userId)) { 3557 return PackageManager.PERMISSION_GRANTED; 3558 } 3559 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3560 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3561 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3562 return PackageManager.PERMISSION_GRANTED; 3563 } 3564 } else { 3565 ArraySet<String> perms = mSystemPermissions.get(uid); 3566 if (perms != null) { 3567 if (perms.contains(permName)) { 3568 return PackageManager.PERMISSION_GRANTED; 3569 } 3570 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && perms 3571 .contains(Manifest.permission.ACCESS_FINE_LOCATION)) { 3572 return PackageManager.PERMISSION_GRANTED; 3573 } 3574 } 3575 } 3576 } 3577 3578 return PackageManager.PERMISSION_DENIED; 3579 } 3580 3581 @Override 3582 public boolean isPermissionRevokedByPolicy(String permission, String packageName, int userId) { 3583 if (UserHandle.getCallingUserId() != userId) { 3584 mContext.enforceCallingPermission( 3585 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 3586 "isPermissionRevokedByPolicy for user " + userId); 3587 } 3588 3589 if (checkPermission(permission, packageName, userId) 3590 == PackageManager.PERMISSION_GRANTED) { 3591 return false; 3592 } 3593 3594 final long identity = Binder.clearCallingIdentity(); 3595 try { 3596 final int flags = getPermissionFlags(permission, packageName, userId); 3597 return (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0; 3598 } finally { 3599 Binder.restoreCallingIdentity(identity); 3600 } 3601 } 3602 3603 @Override 3604 public String getPermissionControllerPackageName() { 3605 synchronized (mPackages) { 3606 return mRequiredInstallerPackage; 3607 } 3608 } 3609 3610 /** 3611 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 3612 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 3613 * @param checkShell whether to prevent shell from access if there's a debugging restriction 3614 * @param message the message to log on security exception 3615 */ 3616 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 3617 boolean checkShell, String message) { 3618 if (userId < 0) { 3619 throw new IllegalArgumentException("Invalid userId " + userId); 3620 } 3621 if (checkShell) { 3622 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, userId); 3623 } 3624 if (userId == UserHandle.getUserId(callingUid)) return; 3625 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 3626 if (requireFullPermission) { 3627 mContext.enforceCallingOrSelfPermission( 3628 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3629 } else { 3630 try { 3631 mContext.enforceCallingOrSelfPermission( 3632 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3633 } catch (SecurityException se) { 3634 mContext.enforceCallingOrSelfPermission( 3635 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 3636 } 3637 } 3638 } 3639 } 3640 3641 void enforceShellRestriction(String restriction, int callingUid, int userHandle) { 3642 if (callingUid == Process.SHELL_UID) { 3643 if (userHandle >= 0 3644 && sUserManager.hasUserRestriction(restriction, userHandle)) { 3645 throw new SecurityException("Shell does not have permission to access user " 3646 + userHandle); 3647 } else if (userHandle < 0) { 3648 Slog.e(TAG, "Unable to check shell permission for user " + userHandle + "\n\t" 3649 + Debug.getCallers(3)); 3650 } 3651 } 3652 } 3653 3654 private BasePermission findPermissionTreeLP(String permName) { 3655 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 3656 if (permName.startsWith(bp.name) && 3657 permName.length() > bp.name.length() && 3658 permName.charAt(bp.name.length()) == '.') { 3659 return bp; 3660 } 3661 } 3662 return null; 3663 } 3664 3665 private BasePermission checkPermissionTreeLP(String permName) { 3666 if (permName != null) { 3667 BasePermission bp = findPermissionTreeLP(permName); 3668 if (bp != null) { 3669 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 3670 return bp; 3671 } 3672 throw new SecurityException("Calling uid " 3673 + Binder.getCallingUid() 3674 + " is not allowed to add to permission tree " 3675 + bp.name + " owned by uid " + bp.uid); 3676 } 3677 } 3678 throw new SecurityException("No permission tree found for " + permName); 3679 } 3680 3681 static boolean compareStrings(CharSequence s1, CharSequence s2) { 3682 if (s1 == null) { 3683 return s2 == null; 3684 } 3685 if (s2 == null) { 3686 return false; 3687 } 3688 if (s1.getClass() != s2.getClass()) { 3689 return false; 3690 } 3691 return s1.equals(s2); 3692 } 3693 3694 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 3695 if (pi1.icon != pi2.icon) return false; 3696 if (pi1.logo != pi2.logo) return false; 3697 if (pi1.protectionLevel != pi2.protectionLevel) return false; 3698 if (!compareStrings(pi1.name, pi2.name)) return false; 3699 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 3700 // We'll take care of setting this one. 3701 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 3702 // These are not currently stored in settings. 3703 //if (!compareStrings(pi1.group, pi2.group)) return false; 3704 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 3705 //if (pi1.labelRes != pi2.labelRes) return false; 3706 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 3707 return true; 3708 } 3709 3710 int permissionInfoFootprint(PermissionInfo info) { 3711 int size = info.name.length(); 3712 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 3713 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 3714 return size; 3715 } 3716 3717 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 3718 int size = 0; 3719 for (BasePermission perm : mSettings.mPermissions.values()) { 3720 if (perm.uid == tree.uid) { 3721 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 3722 } 3723 } 3724 return size; 3725 } 3726 3727 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 3728 // We calculate the max size of permissions defined by this uid and throw 3729 // if that plus the size of 'info' would exceed our stated maximum. 3730 if (tree.uid != Process.SYSTEM_UID) { 3731 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 3732 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 3733 throw new SecurityException("Permission tree size cap exceeded"); 3734 } 3735 } 3736 } 3737 3738 boolean addPermissionLocked(PermissionInfo info, boolean async) { 3739 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 3740 throw new SecurityException("Label must be specified in permission"); 3741 } 3742 BasePermission tree = checkPermissionTreeLP(info.name); 3743 BasePermission bp = mSettings.mPermissions.get(info.name); 3744 boolean added = bp == null; 3745 boolean changed = true; 3746 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 3747 if (added) { 3748 enforcePermissionCapLocked(info, tree); 3749 bp = new BasePermission(info.name, tree.sourcePackage, 3750 BasePermission.TYPE_DYNAMIC); 3751 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 3752 throw new SecurityException( 3753 "Not allowed to modify non-dynamic permission " 3754 + info.name); 3755 } else { 3756 if (bp.protectionLevel == fixedLevel 3757 && bp.perm.owner.equals(tree.perm.owner) 3758 && bp.uid == tree.uid 3759 && comparePermissionInfos(bp.perm.info, info)) { 3760 changed = false; 3761 } 3762 } 3763 bp.protectionLevel = fixedLevel; 3764 info = new PermissionInfo(info); 3765 info.protectionLevel = fixedLevel; 3766 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 3767 bp.perm.info.packageName = tree.perm.info.packageName; 3768 bp.uid = tree.uid; 3769 if (added) { 3770 mSettings.mPermissions.put(info.name, bp); 3771 } 3772 if (changed) { 3773 if (!async) { 3774 mSettings.writeLPr(); 3775 } else { 3776 scheduleWriteSettingsLocked(); 3777 } 3778 } 3779 return added; 3780 } 3781 3782 @Override 3783 public boolean addPermission(PermissionInfo info) { 3784 synchronized (mPackages) { 3785 return addPermissionLocked(info, false); 3786 } 3787 } 3788 3789 @Override 3790 public boolean addPermissionAsync(PermissionInfo info) { 3791 synchronized (mPackages) { 3792 return addPermissionLocked(info, true); 3793 } 3794 } 3795 3796 @Override 3797 public void removePermission(String name) { 3798 synchronized (mPackages) { 3799 checkPermissionTreeLP(name); 3800 BasePermission bp = mSettings.mPermissions.get(name); 3801 if (bp != null) { 3802 if (bp.type != BasePermission.TYPE_DYNAMIC) { 3803 throw new SecurityException( 3804 "Not allowed to modify non-dynamic permission " 3805 + name); 3806 } 3807 mSettings.mPermissions.remove(name); 3808 mSettings.writeLPr(); 3809 } 3810 } 3811 } 3812 3813 private static void enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(PackageParser.Package pkg, 3814 BasePermission bp) { 3815 int index = pkg.requestedPermissions.indexOf(bp.name); 3816 if (index == -1) { 3817 throw new SecurityException("Package " + pkg.packageName 3818 + " has not requested permission " + bp.name); 3819 } 3820 if (!bp.isRuntime() && !bp.isDevelopment()) { 3821 throw new SecurityException("Permission " + bp.name 3822 + " is not a changeable permission type"); 3823 } 3824 } 3825 3826 @Override 3827 public void grantRuntimePermission(String packageName, String name, final int userId) { 3828 if (!sUserManager.exists(userId)) { 3829 Log.e(TAG, "No such user:" + userId); 3830 return; 3831 } 3832 3833 mContext.enforceCallingOrSelfPermission( 3834 android.Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 3835 "grantRuntimePermission"); 3836 3837 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 3838 "grantRuntimePermission"); 3839 3840 final int uid; 3841 final SettingBase sb; 3842 3843 synchronized (mPackages) { 3844 final PackageParser.Package pkg = mPackages.get(packageName); 3845 if (pkg == null) { 3846 throw new IllegalArgumentException("Unknown package: " + packageName); 3847 } 3848 3849 final BasePermission bp = mSettings.mPermissions.get(name); 3850 if (bp == null) { 3851 throw new IllegalArgumentException("Unknown permission: " + name); 3852 } 3853 3854 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 3855 3856 // If a permission review is required for legacy apps we represent 3857 // their permissions as always granted runtime ones since we need 3858 // to keep the review required permission flag per user while an 3859 // install permission's state is shared across all users. 3860 if (Build.PERMISSIONS_REVIEW_REQUIRED 3861 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 3862 && bp.isRuntime()) { 3863 return; 3864 } 3865 3866 uid = UserHandle.getUid(userId, pkg.applicationInfo.uid); 3867 sb = (SettingBase) pkg.mExtras; 3868 if (sb == null) { 3869 throw new IllegalArgumentException("Unknown package: " + packageName); 3870 } 3871 3872 final PermissionsState permissionsState = sb.getPermissionsState(); 3873 3874 final int flags = permissionsState.getPermissionFlags(name, userId); 3875 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 3876 throw new SecurityException("Cannot grant system fixed permission " 3877 + name + " for package " + packageName); 3878 } 3879 3880 if (bp.isDevelopment()) { 3881 // Development permissions must be handled specially, since they are not 3882 // normal runtime permissions. For now they apply to all users. 3883 if (permissionsState.grantInstallPermission(bp) != 3884 PermissionsState.PERMISSION_OPERATION_FAILURE) { 3885 scheduleWriteSettingsLocked(); 3886 } 3887 return; 3888 } 3889 3890 if (pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 3891 Slog.w(TAG, "Cannot grant runtime permission to a legacy app"); 3892 return; 3893 } 3894 3895 final int result = permissionsState.grantRuntimePermission(bp, userId); 3896 switch (result) { 3897 case PermissionsState.PERMISSION_OPERATION_FAILURE: { 3898 return; 3899 } 3900 3901 case PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 3902 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 3903 mHandler.post(new Runnable() { 3904 @Override 3905 public void run() { 3906 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 3907 } 3908 }); 3909 } 3910 break; 3911 } 3912 3913 mOnPermissionChangeListeners.onPermissionsChanged(uid); 3914 3915 // Not critical if that is lost - app has to request again. 3916 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 3917 } 3918 3919 // Only need to do this if user is initialized. Otherwise it's a new user 3920 // and there are no processes running as the user yet and there's no need 3921 // to make an expensive call to remount processes for the changed permissions. 3922 if (READ_EXTERNAL_STORAGE.equals(name) 3923 || WRITE_EXTERNAL_STORAGE.equals(name)) { 3924 final long token = Binder.clearCallingIdentity(); 3925 try { 3926 if (sUserManager.isInitialized(userId)) { 3927 MountServiceInternal mountServiceInternal = LocalServices.getService( 3928 MountServiceInternal.class); 3929 mountServiceInternal.onExternalStoragePolicyChanged(uid, packageName); 3930 } 3931 } finally { 3932 Binder.restoreCallingIdentity(token); 3933 } 3934 } 3935 } 3936 3937 @Override 3938 public void revokeRuntimePermission(String packageName, String name, int userId) { 3939 if (!sUserManager.exists(userId)) { 3940 Log.e(TAG, "No such user:" + userId); 3941 return; 3942 } 3943 3944 mContext.enforceCallingOrSelfPermission( 3945 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 3946 "revokeRuntimePermission"); 3947 3948 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 3949 "revokeRuntimePermission"); 3950 3951 final int appId; 3952 3953 synchronized (mPackages) { 3954 final PackageParser.Package pkg = mPackages.get(packageName); 3955 if (pkg == null) { 3956 throw new IllegalArgumentException("Unknown package: " + packageName); 3957 } 3958 3959 final BasePermission bp = mSettings.mPermissions.get(name); 3960 if (bp == null) { 3961 throw new IllegalArgumentException("Unknown permission: " + name); 3962 } 3963 3964 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 3965 3966 // If a permission review is required for legacy apps we represent 3967 // their permissions as always granted runtime ones since we need 3968 // to keep the review required permission flag per user while an 3969 // install permission's state is shared across all users. 3970 if (Build.PERMISSIONS_REVIEW_REQUIRED 3971 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 3972 && bp.isRuntime()) { 3973 return; 3974 } 3975 3976 SettingBase sb = (SettingBase) pkg.mExtras; 3977 if (sb == null) { 3978 throw new IllegalArgumentException("Unknown package: " + packageName); 3979 } 3980 3981 final PermissionsState permissionsState = sb.getPermissionsState(); 3982 3983 final int flags = permissionsState.getPermissionFlags(name, userId); 3984 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 3985 throw new SecurityException("Cannot revoke system fixed permission " 3986 + name + " for package " + packageName); 3987 } 3988 3989 if (bp.isDevelopment()) { 3990 // Development permissions must be handled specially, since they are not 3991 // normal runtime permissions. For now they apply to all users. 3992 if (permissionsState.revokeInstallPermission(bp) != 3993 PermissionsState.PERMISSION_OPERATION_FAILURE) { 3994 scheduleWriteSettingsLocked(); 3995 } 3996 return; 3997 } 3998 3999 if (permissionsState.revokeRuntimePermission(bp, userId) == 4000 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4001 return; 4002 } 4003 4004 mOnPermissionChangeListeners.onPermissionsChanged(pkg.applicationInfo.uid); 4005 4006 // Critical, after this call app should never have the permission. 4007 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 4008 4009 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4010 } 4011 4012 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 4013 } 4014 4015 @Override 4016 public void resetRuntimePermissions() { 4017 mContext.enforceCallingOrSelfPermission( 4018 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4019 "revokeRuntimePermission"); 4020 4021 int callingUid = Binder.getCallingUid(); 4022 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 4023 mContext.enforceCallingOrSelfPermission( 4024 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4025 "resetRuntimePermissions"); 4026 } 4027 4028 synchronized (mPackages) { 4029 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL); 4030 for (int userId : UserManagerService.getInstance().getUserIds()) { 4031 final int packageCount = mPackages.size(); 4032 for (int i = 0; i < packageCount; i++) { 4033 PackageParser.Package pkg = mPackages.valueAt(i); 4034 if (!(pkg.mExtras instanceof PackageSetting)) { 4035 continue; 4036 } 4037 PackageSetting ps = (PackageSetting) pkg.mExtras; 4038 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 4039 } 4040 } 4041 } 4042 } 4043 4044 @Override 4045 public int getPermissionFlags(String name, String packageName, int userId) { 4046 if (!sUserManager.exists(userId)) { 4047 return 0; 4048 } 4049 4050 enforceGrantRevokeRuntimePermissionPermissions("getPermissionFlags"); 4051 4052 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 4053 "getPermissionFlags"); 4054 4055 synchronized (mPackages) { 4056 final PackageParser.Package pkg = mPackages.get(packageName); 4057 if (pkg == null) { 4058 throw new IllegalArgumentException("Unknown package: " + packageName); 4059 } 4060 4061 final BasePermission bp = mSettings.mPermissions.get(name); 4062 if (bp == null) { 4063 throw new IllegalArgumentException("Unknown permission: " + name); 4064 } 4065 4066 SettingBase sb = (SettingBase) pkg.mExtras; 4067 if (sb == null) { 4068 throw new IllegalArgumentException("Unknown package: " + packageName); 4069 } 4070 4071 PermissionsState permissionsState = sb.getPermissionsState(); 4072 return permissionsState.getPermissionFlags(name, userId); 4073 } 4074 } 4075 4076 @Override 4077 public void updatePermissionFlags(String name, String packageName, int flagMask, 4078 int flagValues, int userId) { 4079 if (!sUserManager.exists(userId)) { 4080 return; 4081 } 4082 4083 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlags"); 4084 4085 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 4086 "updatePermissionFlags"); 4087 4088 // Only the system can change these flags and nothing else. 4089 if (getCallingUid() != Process.SYSTEM_UID) { 4090 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4091 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4092 flagMask &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4093 flagValues &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4094 flagValues &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 4095 } 4096 4097 synchronized (mPackages) { 4098 final PackageParser.Package pkg = mPackages.get(packageName); 4099 if (pkg == null) { 4100 throw new IllegalArgumentException("Unknown package: " + packageName); 4101 } 4102 4103 final BasePermission bp = mSettings.mPermissions.get(name); 4104 if (bp == null) { 4105 throw new IllegalArgumentException("Unknown permission: " + name); 4106 } 4107 4108 SettingBase sb = (SettingBase) pkg.mExtras; 4109 if (sb == null) { 4110 throw new IllegalArgumentException("Unknown package: " + packageName); 4111 } 4112 4113 PermissionsState permissionsState = sb.getPermissionsState(); 4114 4115 boolean hadState = permissionsState.getRuntimePermissionState(name, userId) != null; 4116 4117 if (permissionsState.updatePermissionFlags(bp, userId, flagMask, flagValues)) { 4118 // Install and runtime permissions are stored in different places, 4119 // so figure out what permission changed and persist the change. 4120 if (permissionsState.getInstallPermissionState(name) != null) { 4121 scheduleWriteSettingsLocked(); 4122 } else if (permissionsState.getRuntimePermissionState(name, userId) != null 4123 || hadState) { 4124 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4125 } 4126 } 4127 } 4128 } 4129 4130 /** 4131 * Update the permission flags for all packages and runtime permissions of a user in order 4132 * to allow device or profile owner to remove POLICY_FIXED. 4133 */ 4134 @Override 4135 public void updatePermissionFlagsForAllApps(int flagMask, int flagValues, int userId) { 4136 if (!sUserManager.exists(userId)) { 4137 return; 4138 } 4139 4140 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlagsForAllApps"); 4141 4142 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 4143 "updatePermissionFlagsForAllApps"); 4144 4145 // Only the system can change system fixed flags. 4146 if (getCallingUid() != Process.SYSTEM_UID) { 4147 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4148 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4149 } 4150 4151 synchronized (mPackages) { 4152 boolean changed = false; 4153 final int packageCount = mPackages.size(); 4154 for (int pkgIndex = 0; pkgIndex < packageCount; pkgIndex++) { 4155 final PackageParser.Package pkg = mPackages.valueAt(pkgIndex); 4156 SettingBase sb = (SettingBase) pkg.mExtras; 4157 if (sb == null) { 4158 continue; 4159 } 4160 PermissionsState permissionsState = sb.getPermissionsState(); 4161 changed |= permissionsState.updatePermissionFlagsForAllPermissions( 4162 userId, flagMask, flagValues); 4163 } 4164 if (changed) { 4165 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4166 } 4167 } 4168 } 4169 4170 private void enforceGrantRevokeRuntimePermissionPermissions(String message) { 4171 if (mContext.checkCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS) 4172 != PackageManager.PERMISSION_GRANTED 4173 && mContext.checkCallingOrSelfPermission(Manifest.permission.REVOKE_RUNTIME_PERMISSIONS) 4174 != PackageManager.PERMISSION_GRANTED) { 4175 throw new SecurityException(message + " requires " 4176 + Manifest.permission.GRANT_RUNTIME_PERMISSIONS + " or " 4177 + Manifest.permission.REVOKE_RUNTIME_PERMISSIONS); 4178 } 4179 } 4180 4181 @Override 4182 public boolean shouldShowRequestPermissionRationale(String permissionName, 4183 String packageName, int userId) { 4184 if (UserHandle.getCallingUserId() != userId) { 4185 mContext.enforceCallingPermission( 4186 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4187 "canShowRequestPermissionRationale for user " + userId); 4188 } 4189 4190 final int uid = getPackageUid(packageName, MATCH_DEBUG_TRIAGED_MISSING, userId); 4191 if (UserHandle.getAppId(getCallingUid()) != UserHandle.getAppId(uid)) { 4192 return false; 4193 } 4194 4195 if (checkPermission(permissionName, packageName, userId) 4196 == PackageManager.PERMISSION_GRANTED) { 4197 return false; 4198 } 4199 4200 final int flags; 4201 4202 final long identity = Binder.clearCallingIdentity(); 4203 try { 4204 flags = getPermissionFlags(permissionName, 4205 packageName, userId); 4206 } finally { 4207 Binder.restoreCallingIdentity(identity); 4208 } 4209 4210 final int fixedFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 4211 | PackageManager.FLAG_PERMISSION_POLICY_FIXED 4212 | PackageManager.FLAG_PERMISSION_USER_FIXED; 4213 4214 if ((flags & fixedFlags) != 0) { 4215 return false; 4216 } 4217 4218 return (flags & PackageManager.FLAG_PERMISSION_USER_SET) != 0; 4219 } 4220 4221 @Override 4222 public void addOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4223 mContext.enforceCallingOrSelfPermission( 4224 Manifest.permission.OBSERVE_GRANT_REVOKE_PERMISSIONS, 4225 "addOnPermissionsChangeListener"); 4226 4227 synchronized (mPackages) { 4228 mOnPermissionChangeListeners.addListenerLocked(listener); 4229 } 4230 } 4231 4232 @Override 4233 public void removeOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4234 synchronized (mPackages) { 4235 mOnPermissionChangeListeners.removeListenerLocked(listener); 4236 } 4237 } 4238 4239 @Override 4240 public boolean isProtectedBroadcast(String actionName) { 4241 synchronized (mPackages) { 4242 if (mProtectedBroadcasts.contains(actionName)) { 4243 return true; 4244 } else if (actionName != null) { 4245 // TODO: remove these terrible hacks 4246 if (actionName.startsWith("android.net.netmon.lingerExpired") 4247 || actionName.startsWith("com.android.server.sip.SipWakeupTimer") 4248 || actionName.startsWith("com.android.internal.telephony.data-reconnect")) { 4249 return true; 4250 } 4251 } 4252 } 4253 return false; 4254 } 4255 4256 @Override 4257 public int checkSignatures(String pkg1, String pkg2) { 4258 synchronized (mPackages) { 4259 final PackageParser.Package p1 = mPackages.get(pkg1); 4260 final PackageParser.Package p2 = mPackages.get(pkg2); 4261 if (p1 == null || p1.mExtras == null 4262 || p2 == null || p2.mExtras == null) { 4263 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4264 } 4265 return compareSignatures(p1.mSignatures, p2.mSignatures); 4266 } 4267 } 4268 4269 @Override 4270 public int checkUidSignatures(int uid1, int uid2) { 4271 // Map to base uids. 4272 uid1 = UserHandle.getAppId(uid1); 4273 uid2 = UserHandle.getAppId(uid2); 4274 // reader 4275 synchronized (mPackages) { 4276 Signature[] s1; 4277 Signature[] s2; 4278 Object obj = mSettings.getUserIdLPr(uid1); 4279 if (obj != null) { 4280 if (obj instanceof SharedUserSetting) { 4281 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 4282 } else if (obj instanceof PackageSetting) { 4283 s1 = ((PackageSetting)obj).signatures.mSignatures; 4284 } else { 4285 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4286 } 4287 } else { 4288 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4289 } 4290 obj = mSettings.getUserIdLPr(uid2); 4291 if (obj != null) { 4292 if (obj instanceof SharedUserSetting) { 4293 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 4294 } else if (obj instanceof PackageSetting) { 4295 s2 = ((PackageSetting)obj).signatures.mSignatures; 4296 } else { 4297 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4298 } 4299 } else { 4300 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4301 } 4302 return compareSignatures(s1, s2); 4303 } 4304 } 4305 4306 private void killUid(int appId, int userId, String reason) { 4307 final long identity = Binder.clearCallingIdentity(); 4308 try { 4309 IActivityManager am = ActivityManagerNative.getDefault(); 4310 if (am != null) { 4311 try { 4312 am.killUid(appId, userId, reason); 4313 } catch (RemoteException e) { 4314 /* ignore - same process */ 4315 } 4316 } 4317 } finally { 4318 Binder.restoreCallingIdentity(identity); 4319 } 4320 } 4321 4322 /** 4323 * Compares two sets of signatures. Returns: 4324 * <br /> 4325 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 4326 * <br /> 4327 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 4328 * <br /> 4329 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 4330 * <br /> 4331 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 4332 * <br /> 4333 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 4334 */ 4335 static int compareSignatures(Signature[] s1, Signature[] s2) { 4336 if (s1 == null) { 4337 return s2 == null 4338 ? PackageManager.SIGNATURE_NEITHER_SIGNED 4339 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 4340 } 4341 4342 if (s2 == null) { 4343 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 4344 } 4345 4346 if (s1.length != s2.length) { 4347 return PackageManager.SIGNATURE_NO_MATCH; 4348 } 4349 4350 // Since both signature sets are of size 1, we can compare without HashSets. 4351 if (s1.length == 1) { 4352 return s1[0].equals(s2[0]) ? 4353 PackageManager.SIGNATURE_MATCH : 4354 PackageManager.SIGNATURE_NO_MATCH; 4355 } 4356 4357 ArraySet<Signature> set1 = new ArraySet<Signature>(); 4358 for (Signature sig : s1) { 4359 set1.add(sig); 4360 } 4361 ArraySet<Signature> set2 = new ArraySet<Signature>(); 4362 for (Signature sig : s2) { 4363 set2.add(sig); 4364 } 4365 // Make sure s2 contains all signatures in s1. 4366 if (set1.equals(set2)) { 4367 return PackageManager.SIGNATURE_MATCH; 4368 } 4369 return PackageManager.SIGNATURE_NO_MATCH; 4370 } 4371 4372 /** 4373 * If the database version for this type of package (internal storage or 4374 * external storage) is less than the version where package signatures 4375 * were updated, return true. 4376 */ 4377 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4378 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4379 return ver.databaseVersion < DatabaseVersion.SIGNATURE_END_ENTITY; 4380 } 4381 4382 /** 4383 * Used for backward compatibility to make sure any packages with 4384 * certificate chains get upgraded to the new style. {@code existingSigs} 4385 * will be in the old format (since they were stored on disk from before the 4386 * system upgrade) and {@code scannedSigs} will be in the newer format. 4387 */ 4388 private int compareSignaturesCompat(PackageSignatures existingSigs, 4389 PackageParser.Package scannedPkg) { 4390 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 4391 return PackageManager.SIGNATURE_NO_MATCH; 4392 } 4393 4394 ArraySet<Signature> existingSet = new ArraySet<Signature>(); 4395 for (Signature sig : existingSigs.mSignatures) { 4396 existingSet.add(sig); 4397 } 4398 ArraySet<Signature> scannedCompatSet = new ArraySet<Signature>(); 4399 for (Signature sig : scannedPkg.mSignatures) { 4400 try { 4401 Signature[] chainSignatures = sig.getChainSignatures(); 4402 for (Signature chainSig : chainSignatures) { 4403 scannedCompatSet.add(chainSig); 4404 } 4405 } catch (CertificateEncodingException e) { 4406 scannedCompatSet.add(sig); 4407 } 4408 } 4409 /* 4410 * Make sure the expanded scanned set contains all signatures in the 4411 * existing one. 4412 */ 4413 if (scannedCompatSet.equals(existingSet)) { 4414 // Migrate the old signatures to the new scheme. 4415 existingSigs.assignSignatures(scannedPkg.mSignatures); 4416 // The new KeySets will be re-added later in the scanning process. 4417 synchronized (mPackages) { 4418 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName); 4419 } 4420 return PackageManager.SIGNATURE_MATCH; 4421 } 4422 return PackageManager.SIGNATURE_NO_MATCH; 4423 } 4424 4425 private boolean isRecoverSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4426 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4427 return ver.databaseVersion < DatabaseVersion.SIGNATURE_MALFORMED_RECOVER; 4428 } 4429 4430 private int compareSignaturesRecover(PackageSignatures existingSigs, 4431 PackageParser.Package scannedPkg) { 4432 if (!isRecoverSignatureUpdateNeeded(scannedPkg)) { 4433 return PackageManager.SIGNATURE_NO_MATCH; 4434 } 4435 4436 String msg = null; 4437 try { 4438 if (Signature.areEffectiveMatch(existingSigs.mSignatures, scannedPkg.mSignatures)) { 4439 logCriticalInfo(Log.INFO, "Recovered effectively matching certificates for " 4440 + scannedPkg.packageName); 4441 return PackageManager.SIGNATURE_MATCH; 4442 } 4443 } catch (CertificateException e) { 4444 msg = e.getMessage(); 4445 } 4446 4447 logCriticalInfo(Log.INFO, 4448 "Failed to recover certificates for " + scannedPkg.packageName + ": " + msg); 4449 return PackageManager.SIGNATURE_NO_MATCH; 4450 } 4451 4452 @Override 4453 public String[] getPackagesForUid(int uid) { 4454 uid = UserHandle.getAppId(uid); 4455 // reader 4456 synchronized (mPackages) { 4457 Object obj = mSettings.getUserIdLPr(uid); 4458 if (obj instanceof SharedUserSetting) { 4459 final SharedUserSetting sus = (SharedUserSetting) obj; 4460 final int N = sus.packages.size(); 4461 final String[] res = new String[N]; 4462 final Iterator<PackageSetting> it = sus.packages.iterator(); 4463 int i = 0; 4464 while (it.hasNext()) { 4465 res[i++] = it.next().name; 4466 } 4467 return res; 4468 } else if (obj instanceof PackageSetting) { 4469 final PackageSetting ps = (PackageSetting) obj; 4470 return new String[] { ps.name }; 4471 } 4472 } 4473 return null; 4474 } 4475 4476 @Override 4477 public String getNameForUid(int uid) { 4478 // reader 4479 synchronized (mPackages) { 4480 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4481 if (obj instanceof SharedUserSetting) { 4482 final SharedUserSetting sus = (SharedUserSetting) obj; 4483 return sus.name + ":" + sus.userId; 4484 } else if (obj instanceof PackageSetting) { 4485 final PackageSetting ps = (PackageSetting) obj; 4486 return ps.name; 4487 } 4488 } 4489 return null; 4490 } 4491 4492 @Override 4493 public int getUidForSharedUser(String sharedUserName) { 4494 if(sharedUserName == null) { 4495 return -1; 4496 } 4497 // reader 4498 synchronized (mPackages) { 4499 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, 0, false); 4500 if (suid == null) { 4501 return -1; 4502 } 4503 return suid.userId; 4504 } 4505 } 4506 4507 @Override 4508 public int getFlagsForUid(int uid) { 4509 synchronized (mPackages) { 4510 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4511 if (obj instanceof SharedUserSetting) { 4512 final SharedUserSetting sus = (SharedUserSetting) obj; 4513 return sus.pkgFlags; 4514 } else if (obj instanceof PackageSetting) { 4515 final PackageSetting ps = (PackageSetting) obj; 4516 return ps.pkgFlags; 4517 } 4518 } 4519 return 0; 4520 } 4521 4522 @Override 4523 public int getPrivateFlagsForUid(int uid) { 4524 synchronized (mPackages) { 4525 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4526 if (obj instanceof SharedUserSetting) { 4527 final SharedUserSetting sus = (SharedUserSetting) obj; 4528 return sus.pkgPrivateFlags; 4529 } else if (obj instanceof PackageSetting) { 4530 final PackageSetting ps = (PackageSetting) obj; 4531 return ps.pkgPrivateFlags; 4532 } 4533 } 4534 return 0; 4535 } 4536 4537 @Override 4538 public boolean isUidPrivileged(int uid) { 4539 uid = UserHandle.getAppId(uid); 4540 // reader 4541 synchronized (mPackages) { 4542 Object obj = mSettings.getUserIdLPr(uid); 4543 if (obj instanceof SharedUserSetting) { 4544 final SharedUserSetting sus = (SharedUserSetting) obj; 4545 final Iterator<PackageSetting> it = sus.packages.iterator(); 4546 while (it.hasNext()) { 4547 if (it.next().isPrivileged()) { 4548 return true; 4549 } 4550 } 4551 } else if (obj instanceof PackageSetting) { 4552 final PackageSetting ps = (PackageSetting) obj; 4553 return ps.isPrivileged(); 4554 } 4555 } 4556 return false; 4557 } 4558 4559 @Override 4560 public String[] getAppOpPermissionPackages(String permissionName) { 4561 synchronized (mPackages) { 4562 ArraySet<String> pkgs = mAppOpPermissionPackages.get(permissionName); 4563 if (pkgs == null) { 4564 return null; 4565 } 4566 return pkgs.toArray(new String[pkgs.size()]); 4567 } 4568 } 4569 4570 @Override 4571 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 4572 int flags, int userId) { 4573 if (!sUserManager.exists(userId)) return null; 4574 flags = updateFlagsForResolve(flags, userId, intent); 4575 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "resolve intent"); 4576 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 4577 final ResolveInfo bestChoice = 4578 chooseBestActivity(intent, resolvedType, flags, query, userId); 4579 4580 if (isEphemeralAllowed(intent, query, userId)) { 4581 final EphemeralResolveInfo ai = 4582 getEphemeralResolveInfo(intent, resolvedType, userId); 4583 if (ai != null) { 4584 if (DEBUG_EPHEMERAL) { 4585 Slog.v(TAG, "Returning an EphemeralResolveInfo"); 4586 } 4587 bestChoice.ephemeralInstaller = mEphemeralInstallerInfo; 4588 bestChoice.ephemeralResolveInfo = ai; 4589 } 4590 } 4591 return bestChoice; 4592 } 4593 4594 @Override 4595 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 4596 IntentFilter filter, int match, ComponentName activity) { 4597 final int userId = UserHandle.getCallingUserId(); 4598 if (DEBUG_PREFERRED) { 4599 Log.v(TAG, "setLastChosenActivity intent=" + intent 4600 + " resolvedType=" + resolvedType 4601 + " flags=" + flags 4602 + " filter=" + filter 4603 + " match=" + match 4604 + " activity=" + activity); 4605 filter.dump(new PrintStreamPrinter(System.out), " "); 4606 } 4607 intent.setComponent(null); 4608 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 4609 // Find any earlier preferred or last chosen entries and nuke them 4610 findPreferredActivity(intent, resolvedType, 4611 flags, query, 0, false, true, false, userId); 4612 // Add the new activity as the last chosen for this filter 4613 addPreferredActivityInternal(filter, match, null, activity, false, userId, 4614 "Setting last chosen"); 4615 } 4616 4617 @Override 4618 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 4619 final int userId = UserHandle.getCallingUserId(); 4620 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 4621 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 4622 return findPreferredActivity(intent, resolvedType, flags, query, 0, 4623 false, false, false, userId); 4624 } 4625 4626 4627 private boolean isEphemeralAllowed( 4628 Intent intent, List<ResolveInfo> resolvedActivites, int userId) { 4629 // Short circuit and return early if possible. 4630 if (DISABLE_EPHEMERAL_APPS) { 4631 return false; 4632 } 4633 final int callingUser = UserHandle.getCallingUserId(); 4634 if (callingUser != UserHandle.USER_SYSTEM) { 4635 return false; 4636 } 4637 if (mEphemeralResolverConnection == null) { 4638 return false; 4639 } 4640 if (intent.getComponent() != null) { 4641 return false; 4642 } 4643 if (intent.getPackage() != null) { 4644 return false; 4645 } 4646 final boolean isWebUri = hasWebURI(intent); 4647 if (!isWebUri) { 4648 return false; 4649 } 4650 // Deny ephemeral apps if the user chose _ALWAYS or _ALWAYS_ASK for intent resolution. 4651 synchronized (mPackages) { 4652 final int count = resolvedActivites.size(); 4653 for (int n = 0; n < count; n++) { 4654 ResolveInfo info = resolvedActivites.get(n); 4655 String packageName = info.activityInfo.packageName; 4656 PackageSetting ps = mSettings.mPackages.get(packageName); 4657 if (ps != null) { 4658 // Try to get the status from User settings first 4659 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 4660 int status = (int) (packedStatus >> 32); 4661 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS 4662 || status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 4663 if (DEBUG_EPHEMERAL) { 4664 Slog.v(TAG, "DENY ephemeral apps;" 4665 + " pkg: " + packageName + ", status: " + status); 4666 } 4667 return false; 4668 } 4669 } 4670 } 4671 } 4672 // We've exhausted all ways to deny ephemeral application; let the system look for them. 4673 return true; 4674 } 4675 4676 private EphemeralResolveInfo getEphemeralResolveInfo(Intent intent, String resolvedType, 4677 int userId) { 4678 MessageDigest digest = null; 4679 try { 4680 digest = MessageDigest.getInstance(EphemeralResolveInfo.SHA_ALGORITHM); 4681 } catch (NoSuchAlgorithmException e) { 4682 // If we can't create a digest, ignore ephemeral apps. 4683 return null; 4684 } 4685 4686 final byte[] hostBytes = intent.getData().getHost().getBytes(); 4687 final byte[] digestBytes = digest.digest(hostBytes); 4688 int shaPrefix = 4689 digestBytes[0] << 24 4690 | digestBytes[1] << 16 4691 | digestBytes[2] << 8 4692 | digestBytes[3] << 0; 4693 final List<EphemeralResolveInfo> ephemeralResolveInfoList = 4694 mEphemeralResolverConnection.getEphemeralResolveInfoList(shaPrefix); 4695 if (ephemeralResolveInfoList == null || ephemeralResolveInfoList.size() == 0) { 4696 // No hash prefix match; there are no ephemeral apps for this domain. 4697 return null; 4698 } 4699 for (int i = ephemeralResolveInfoList.size() - 1; i >= 0; --i) { 4700 EphemeralResolveInfo ephemeralApplication = ephemeralResolveInfoList.get(i); 4701 if (!Arrays.equals(digestBytes, ephemeralApplication.getDigestBytes())) { 4702 continue; 4703 } 4704 final List<IntentFilter> filters = ephemeralApplication.getFilters(); 4705 // No filters; this should never happen. 4706 if (filters.isEmpty()) { 4707 continue; 4708 } 4709 // We have a domain match; resolve the filters to see if anything matches. 4710 final EphemeralIntentResolver ephemeralResolver = new EphemeralIntentResolver(); 4711 for (int j = filters.size() - 1; j >= 0; --j) { 4712 final EphemeralResolveIntentInfo intentInfo = 4713 new EphemeralResolveIntentInfo(filters.get(j), ephemeralApplication); 4714 ephemeralResolver.addFilter(intentInfo); 4715 } 4716 List<EphemeralResolveInfo> matchedResolveInfoList = ephemeralResolver.queryIntent( 4717 intent, resolvedType, false /*defaultOnly*/, userId); 4718 if (!matchedResolveInfoList.isEmpty()) { 4719 return matchedResolveInfoList.get(0); 4720 } 4721 } 4722 // Hash or filter mis-match; no ephemeral apps for this domain. 4723 return null; 4724 } 4725 4726 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 4727 int flags, List<ResolveInfo> query, int userId) { 4728 if (query != null) { 4729 final int N = query.size(); 4730 if (N == 1) { 4731 return query.get(0); 4732 } else if (N > 1) { 4733 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 4734 // If there is more than one activity with the same priority, 4735 // then let the user decide between them. 4736 ResolveInfo r0 = query.get(0); 4737 ResolveInfo r1 = query.get(1); 4738 if (DEBUG_INTENT_MATCHING || debug) { 4739 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 4740 + r1.activityInfo.name + "=" + r1.priority); 4741 } 4742 // If the first activity has a higher priority, or a different 4743 // default, then it is always desirable to pick it. 4744 if (r0.priority != r1.priority 4745 || r0.preferredOrder != r1.preferredOrder 4746 || r0.isDefault != r1.isDefault) { 4747 return query.get(0); 4748 } 4749 // If we have saved a preference for a preferred activity for 4750 // this Intent, use that. 4751 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 4752 flags, query, r0.priority, true, false, debug, userId); 4753 if (ri != null) { 4754 return ri; 4755 } 4756 ri = new ResolveInfo(mResolveInfo); 4757 ri.activityInfo = new ActivityInfo(ri.activityInfo); 4758 ri.activityInfo.applicationInfo = new ApplicationInfo( 4759 ri.activityInfo.applicationInfo); 4760 if (userId != 0) { 4761 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 4762 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 4763 } 4764 // Make sure that the resolver is displayable in car mode 4765 if (ri.activityInfo.metaData == null) ri.activityInfo.metaData = new Bundle(); 4766 ri.activityInfo.metaData.putBoolean(Intent.METADATA_DOCK_HOME, true); 4767 return ri; 4768 } 4769 } 4770 return null; 4771 } 4772 4773 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 4774 int flags, List<ResolveInfo> query, boolean debug, int userId) { 4775 final int N = query.size(); 4776 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 4777 .get(userId); 4778 // Get the list of persistent preferred activities that handle the intent 4779 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 4780 List<PersistentPreferredActivity> pprefs = ppir != null 4781 ? ppir.queryIntent(intent, resolvedType, 4782 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 4783 : null; 4784 if (pprefs != null && pprefs.size() > 0) { 4785 final int M = pprefs.size(); 4786 for (int i=0; i<M; i++) { 4787 final PersistentPreferredActivity ppa = pprefs.get(i); 4788 if (DEBUG_PREFERRED || debug) { 4789 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 4790 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 4791 + "\n component=" + ppa.mComponent); 4792 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4793 } 4794 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 4795 flags | MATCH_DISABLED_COMPONENTS, userId); 4796 if (DEBUG_PREFERRED || debug) { 4797 Slog.v(TAG, "Found persistent preferred activity:"); 4798 if (ai != null) { 4799 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4800 } else { 4801 Slog.v(TAG, " null"); 4802 } 4803 } 4804 if (ai == null) { 4805 // This previously registered persistent preferred activity 4806 // component is no longer known. Ignore it and do NOT remove it. 4807 continue; 4808 } 4809 for (int j=0; j<N; j++) { 4810 final ResolveInfo ri = query.get(j); 4811 if (!ri.activityInfo.applicationInfo.packageName 4812 .equals(ai.applicationInfo.packageName)) { 4813 continue; 4814 } 4815 if (!ri.activityInfo.name.equals(ai.name)) { 4816 continue; 4817 } 4818 // Found a persistent preference that can handle the intent. 4819 if (DEBUG_PREFERRED || debug) { 4820 Slog.v(TAG, "Returning persistent preferred activity: " + 4821 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 4822 } 4823 return ri; 4824 } 4825 } 4826 } 4827 return null; 4828 } 4829 4830 // TODO: handle preferred activities missing while user has amnesia 4831 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 4832 List<ResolveInfo> query, int priority, boolean always, 4833 boolean removeMatches, boolean debug, int userId) { 4834 if (!sUserManager.exists(userId)) return null; 4835 flags = updateFlagsForResolve(flags, userId, intent); 4836 // writer 4837 synchronized (mPackages) { 4838 if (intent.getSelector() != null) { 4839 intent = intent.getSelector(); 4840 } 4841 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 4842 4843 // Try to find a matching persistent preferred activity. 4844 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 4845 debug, userId); 4846 4847 // If a persistent preferred activity matched, use it. 4848 if (pri != null) { 4849 return pri; 4850 } 4851 4852 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 4853 // Get the list of preferred activities that handle the intent 4854 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 4855 List<PreferredActivity> prefs = pir != null 4856 ? pir.queryIntent(intent, resolvedType, 4857 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 4858 : null; 4859 if (prefs != null && prefs.size() > 0) { 4860 boolean changed = false; 4861 try { 4862 // First figure out how good the original match set is. 4863 // We will only allow preferred activities that came 4864 // from the same match quality. 4865 int match = 0; 4866 4867 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 4868 4869 final int N = query.size(); 4870 for (int j=0; j<N; j++) { 4871 final ResolveInfo ri = query.get(j); 4872 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 4873 + ": 0x" + Integer.toHexString(match)); 4874 if (ri.match > match) { 4875 match = ri.match; 4876 } 4877 } 4878 4879 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 4880 + Integer.toHexString(match)); 4881 4882 match &= IntentFilter.MATCH_CATEGORY_MASK; 4883 final int M = prefs.size(); 4884 for (int i=0; i<M; i++) { 4885 final PreferredActivity pa = prefs.get(i); 4886 if (DEBUG_PREFERRED || debug) { 4887 Slog.v(TAG, "Checking PreferredActivity ds=" 4888 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 4889 + "\n component=" + pa.mPref.mComponent); 4890 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4891 } 4892 if (pa.mPref.mMatch != match) { 4893 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 4894 + Integer.toHexString(pa.mPref.mMatch)); 4895 continue; 4896 } 4897 // If it's not an "always" type preferred activity and that's what we're 4898 // looking for, skip it. 4899 if (always && !pa.mPref.mAlways) { 4900 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 4901 continue; 4902 } 4903 final ActivityInfo ai = getActivityInfo(pa.mPref.mComponent, 4904 flags | MATCH_DISABLED_COMPONENTS, userId); 4905 if (DEBUG_PREFERRED || debug) { 4906 Slog.v(TAG, "Found preferred activity:"); 4907 if (ai != null) { 4908 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4909 } else { 4910 Slog.v(TAG, " null"); 4911 } 4912 } 4913 if (ai == null) { 4914 // This previously registered preferred activity 4915 // component is no longer known. Most likely an update 4916 // to the app was installed and in the new version this 4917 // component no longer exists. Clean it up by removing 4918 // it from the preferred activities list, and skip it. 4919 Slog.w(TAG, "Removing dangling preferred activity: " 4920 + pa.mPref.mComponent); 4921 pir.removeFilter(pa); 4922 changed = true; 4923 continue; 4924 } 4925 for (int j=0; j<N; j++) { 4926 final ResolveInfo ri = query.get(j); 4927 if (!ri.activityInfo.applicationInfo.packageName 4928 .equals(ai.applicationInfo.packageName)) { 4929 continue; 4930 } 4931 if (!ri.activityInfo.name.equals(ai.name)) { 4932 continue; 4933 } 4934 4935 if (removeMatches) { 4936 pir.removeFilter(pa); 4937 changed = true; 4938 if (DEBUG_PREFERRED) { 4939 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 4940 } 4941 break; 4942 } 4943 4944 // Okay we found a previously set preferred or last chosen app. 4945 // If the result set is different from when this 4946 // was created, we need to clear it and re-ask the 4947 // user their preference, if we're looking for an "always" type entry. 4948 if (always && !pa.mPref.sameSet(query)) { 4949 Slog.i(TAG, "Result set changed, dropping preferred activity for " 4950 + intent + " type " + resolvedType); 4951 if (DEBUG_PREFERRED) { 4952 Slog.v(TAG, "Removing preferred activity since set changed " 4953 + pa.mPref.mComponent); 4954 } 4955 pir.removeFilter(pa); 4956 // Re-add the filter as a "last chosen" entry (!always) 4957 PreferredActivity lastChosen = new PreferredActivity( 4958 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 4959 pir.addFilter(lastChosen); 4960 changed = true; 4961 return null; 4962 } 4963 4964 // Yay! Either the set matched or we're looking for the last chosen 4965 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 4966 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 4967 return ri; 4968 } 4969 } 4970 } finally { 4971 if (changed) { 4972 if (DEBUG_PREFERRED) { 4973 Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions"); 4974 } 4975 scheduleWritePackageRestrictionsLocked(userId); 4976 } 4977 } 4978 } 4979 } 4980 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 4981 return null; 4982 } 4983 4984 /* 4985 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 4986 */ 4987 @Override 4988 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 4989 int targetUserId) { 4990 mContext.enforceCallingOrSelfPermission( 4991 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 4992 List<CrossProfileIntentFilter> matches = 4993 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 4994 if (matches != null) { 4995 int size = matches.size(); 4996 for (int i = 0; i < size; i++) { 4997 if (matches.get(i).getTargetUserId() == targetUserId) return true; 4998 } 4999 } 5000 if (hasWebURI(intent)) { 5001 // cross-profile app linking works only towards the parent. 5002 final UserInfo parent = getProfileParent(sourceUserId); 5003 synchronized(mPackages) { 5004 int flags = updateFlagsForResolve(0, parent.id, intent); 5005 CrossProfileDomainInfo xpDomainInfo = getCrossProfileDomainPreferredLpr( 5006 intent, resolvedType, flags, sourceUserId, parent.id); 5007 return xpDomainInfo != null; 5008 } 5009 } 5010 return false; 5011 } 5012 5013 private UserInfo getProfileParent(int userId) { 5014 final long identity = Binder.clearCallingIdentity(); 5015 try { 5016 return sUserManager.getProfileParent(userId); 5017 } finally { 5018 Binder.restoreCallingIdentity(identity); 5019 } 5020 } 5021 5022 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 5023 String resolvedType, int userId) { 5024 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 5025 if (resolver != null) { 5026 return resolver.queryIntent(intent, resolvedType, false, userId); 5027 } 5028 return null; 5029 } 5030 5031 @Override 5032 public List<ResolveInfo> queryIntentActivities(Intent intent, 5033 String resolvedType, int flags, int userId) { 5034 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5035 flags = updateFlagsForResolve(flags, userId, intent); 5036 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "query intent activities"); 5037 ComponentName comp = intent.getComponent(); 5038 if (comp == null) { 5039 if (intent.getSelector() != null) { 5040 intent = intent.getSelector(); 5041 comp = intent.getComponent(); 5042 } 5043 } 5044 5045 if (comp != null) { 5046 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5047 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 5048 if (ai != null) { 5049 final ResolveInfo ri = new ResolveInfo(); 5050 ri.activityInfo = ai; 5051 list.add(ri); 5052 } 5053 return list; 5054 } 5055 5056 // reader 5057 synchronized (mPackages) { 5058 final String pkgName = intent.getPackage(); 5059 if (pkgName == null) { 5060 List<CrossProfileIntentFilter> matchingFilters = 5061 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 5062 // Check for results that need to skip the current profile. 5063 ResolveInfo xpResolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 5064 resolvedType, flags, userId); 5065 if (xpResolveInfo != null) { 5066 List<ResolveInfo> result = new ArrayList<ResolveInfo>(1); 5067 result.add(xpResolveInfo); 5068 return filterIfNotSystemUser(result, userId); 5069 } 5070 5071 // Check for results in the current profile. 5072 List<ResolveInfo> result = mActivities.queryIntent( 5073 intent, resolvedType, flags, userId); 5074 result = filterIfNotSystemUser(result, userId); 5075 5076 // Check for cross profile results. 5077 boolean hasNonNegativePriorityResult = hasNonNegativePriority(result); 5078 xpResolveInfo = queryCrossProfileIntents( 5079 matchingFilters, intent, resolvedType, flags, userId, 5080 hasNonNegativePriorityResult); 5081 if (xpResolveInfo != null && isUserEnabled(xpResolveInfo.targetUserId)) { 5082 boolean isVisibleToUser = filterIfNotSystemUser( 5083 Collections.singletonList(xpResolveInfo), userId).size() > 0; 5084 if (isVisibleToUser) { 5085 result.add(xpResolveInfo); 5086 Collections.sort(result, mResolvePrioritySorter); 5087 } 5088 } 5089 if (hasWebURI(intent)) { 5090 CrossProfileDomainInfo xpDomainInfo = null; 5091 final UserInfo parent = getProfileParent(userId); 5092 if (parent != null) { 5093 xpDomainInfo = getCrossProfileDomainPreferredLpr(intent, resolvedType, 5094 flags, userId, parent.id); 5095 } 5096 if (xpDomainInfo != null) { 5097 if (xpResolveInfo != null) { 5098 // If we didn't remove it, the cross-profile ResolveInfo would be twice 5099 // in the result. 5100 result.remove(xpResolveInfo); 5101 } 5102 if (result.size() == 0) { 5103 result.add(xpDomainInfo.resolveInfo); 5104 return result; 5105 } 5106 } else if (result.size() <= 1) { 5107 return result; 5108 } 5109 result = filterCandidatesWithDomainPreferredActivitiesLPr(intent, flags, result, 5110 xpDomainInfo, userId); 5111 Collections.sort(result, mResolvePrioritySorter); 5112 } 5113 return result; 5114 } 5115 final PackageParser.Package pkg = mPackages.get(pkgName); 5116 if (pkg != null) { 5117 return filterIfNotSystemUser( 5118 mActivities.queryIntentForPackage( 5119 intent, resolvedType, flags, pkg.activities, userId), 5120 userId); 5121 } 5122 return new ArrayList<ResolveInfo>(); 5123 } 5124 } 5125 5126 private static class CrossProfileDomainInfo { 5127 /* ResolveInfo for IntentForwarderActivity to send the intent to the other profile */ 5128 ResolveInfo resolveInfo; 5129 /* Best domain verification status of the activities found in the other profile */ 5130 int bestDomainVerificationStatus; 5131 } 5132 5133 private CrossProfileDomainInfo getCrossProfileDomainPreferredLpr(Intent intent, 5134 String resolvedType, int flags, int sourceUserId, int parentUserId) { 5135 if (!sUserManager.hasUserRestriction(UserManager.ALLOW_PARENT_PROFILE_APP_LINKING, 5136 sourceUserId)) { 5137 return null; 5138 } 5139 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5140 resolvedType, flags, parentUserId); 5141 5142 if (resultTargetUser == null || resultTargetUser.isEmpty()) { 5143 return null; 5144 } 5145 CrossProfileDomainInfo result = null; 5146 int size = resultTargetUser.size(); 5147 for (int i = 0; i < size; i++) { 5148 ResolveInfo riTargetUser = resultTargetUser.get(i); 5149 // Intent filter verification is only for filters that specify a host. So don't return 5150 // those that handle all web uris. 5151 if (riTargetUser.handleAllWebDataURI) { 5152 continue; 5153 } 5154 String packageName = riTargetUser.activityInfo.packageName; 5155 PackageSetting ps = mSettings.mPackages.get(packageName); 5156 if (ps == null) { 5157 continue; 5158 } 5159 long verificationState = getDomainVerificationStatusLPr(ps, parentUserId); 5160 int status = (int)(verificationState >> 32); 5161 if (result == null) { 5162 result = new CrossProfileDomainInfo(); 5163 result.resolveInfo = createForwardingResolveInfoUnchecked(new IntentFilter(), 5164 sourceUserId, parentUserId); 5165 result.bestDomainVerificationStatus = status; 5166 } else { 5167 result.bestDomainVerificationStatus = bestDomainVerificationStatus(status, 5168 result.bestDomainVerificationStatus); 5169 } 5170 } 5171 // Don't consider matches with status NEVER across profiles. 5172 if (result != null && result.bestDomainVerificationStatus 5173 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5174 return null; 5175 } 5176 return result; 5177 } 5178 5179 /** 5180 * Verification statuses are ordered from the worse to the best, except for 5181 * INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER, which is the worse. 5182 */ 5183 private int bestDomainVerificationStatus(int status1, int status2) { 5184 if (status1 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5185 return status2; 5186 } 5187 if (status2 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5188 return status1; 5189 } 5190 return (int) MathUtils.max(status1, status2); 5191 } 5192 5193 private boolean isUserEnabled(int userId) { 5194 long callingId = Binder.clearCallingIdentity(); 5195 try { 5196 UserInfo userInfo = sUserManager.getUserInfo(userId); 5197 return userInfo != null && userInfo.isEnabled(); 5198 } finally { 5199 Binder.restoreCallingIdentity(callingId); 5200 } 5201 } 5202 5203 /** 5204 * Filter out activities with systemUserOnly flag set, when current user is not System. 5205 * 5206 * @return filtered list 5207 */ 5208 private List<ResolveInfo> filterIfNotSystemUser(List<ResolveInfo> resolveInfos, int userId) { 5209 if (userId == UserHandle.USER_SYSTEM) { 5210 return resolveInfos; 5211 } 5212 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 5213 ResolveInfo info = resolveInfos.get(i); 5214 if ((info.activityInfo.flags & ActivityInfo.FLAG_SYSTEM_USER_ONLY) != 0) { 5215 resolveInfos.remove(i); 5216 } 5217 } 5218 return resolveInfos; 5219 } 5220 5221 /** 5222 * @param resolveInfos list of resolve infos in descending priority order 5223 * @return if the list contains a resolve info with non-negative priority 5224 */ 5225 private boolean hasNonNegativePriority(List<ResolveInfo> resolveInfos) { 5226 return resolveInfos.size() > 0 && resolveInfos.get(0).priority >= 0; 5227 } 5228 5229 private static boolean hasWebURI(Intent intent) { 5230 if (intent.getData() == null) { 5231 return false; 5232 } 5233 final String scheme = intent.getScheme(); 5234 if (TextUtils.isEmpty(scheme)) { 5235 return false; 5236 } 5237 return scheme.equals(IntentFilter.SCHEME_HTTP) || scheme.equals(IntentFilter.SCHEME_HTTPS); 5238 } 5239 5240 private List<ResolveInfo> filterCandidatesWithDomainPreferredActivitiesLPr(Intent intent, 5241 int matchFlags, List<ResolveInfo> candidates, CrossProfileDomainInfo xpDomainInfo, 5242 int userId) { 5243 final boolean debug = (intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0; 5244 5245 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5246 Slog.v(TAG, "Filtering results with preferred activities. Candidates count: " + 5247 candidates.size()); 5248 } 5249 5250 ArrayList<ResolveInfo> result = new ArrayList<ResolveInfo>(); 5251 ArrayList<ResolveInfo> alwaysList = new ArrayList<ResolveInfo>(); 5252 ArrayList<ResolveInfo> undefinedList = new ArrayList<ResolveInfo>(); 5253 ArrayList<ResolveInfo> alwaysAskList = new ArrayList<ResolveInfo>(); 5254 ArrayList<ResolveInfo> neverList = new ArrayList<ResolveInfo>(); 5255 ArrayList<ResolveInfo> matchAllList = new ArrayList<ResolveInfo>(); 5256 5257 synchronized (mPackages) { 5258 final int count = candidates.size(); 5259 // First, try to use linked apps. Partition the candidates into four lists: 5260 // one for the final results, one for the "do not use ever", one for "undefined status" 5261 // and finally one for "browser app type". 5262 for (int n=0; n<count; n++) { 5263 ResolveInfo info = candidates.get(n); 5264 String packageName = info.activityInfo.packageName; 5265 PackageSetting ps = mSettings.mPackages.get(packageName); 5266 if (ps != null) { 5267 // Add to the special match all list (Browser use case) 5268 if (info.handleAllWebDataURI) { 5269 matchAllList.add(info); 5270 continue; 5271 } 5272 // Try to get the status from User settings first 5273 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 5274 int status = (int)(packedStatus >> 32); 5275 int linkGeneration = (int)(packedStatus & 0xFFFFFFFF); 5276 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS) { 5277 if (DEBUG_DOMAIN_VERIFICATION) { 5278 Slog.i(TAG, " + always: " + info.activityInfo.packageName 5279 + " : linkgen=" + linkGeneration); 5280 } 5281 // Use link-enabled generation as preferredOrder, i.e. 5282 // prefer newly-enabled over earlier-enabled. 5283 info.preferredOrder = linkGeneration; 5284 alwaysList.add(info); 5285 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5286 if (DEBUG_DOMAIN_VERIFICATION) { 5287 Slog.i(TAG, " + never: " + info.activityInfo.packageName); 5288 } 5289 neverList.add(info); 5290 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 5291 if (DEBUG_DOMAIN_VERIFICATION) { 5292 Slog.i(TAG, " + always-ask: " + info.activityInfo.packageName); 5293 } 5294 alwaysAskList.add(info); 5295 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED || 5296 status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK) { 5297 if (DEBUG_DOMAIN_VERIFICATION) { 5298 Slog.i(TAG, " + ask: " + info.activityInfo.packageName); 5299 } 5300 undefinedList.add(info); 5301 } 5302 } 5303 } 5304 5305 // We'll want to include browser possibilities in a few cases 5306 boolean includeBrowser = false; 5307 5308 // First try to add the "always" resolution(s) for the current user, if any 5309 if (alwaysList.size() > 0) { 5310 result.addAll(alwaysList); 5311 } else { 5312 // Add all undefined apps as we want them to appear in the disambiguation dialog. 5313 result.addAll(undefinedList); 5314 // Maybe add one for the other profile. 5315 if (xpDomainInfo != null && ( 5316 xpDomainInfo.bestDomainVerificationStatus 5317 != INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER)) { 5318 result.add(xpDomainInfo.resolveInfo); 5319 } 5320 includeBrowser = true; 5321 } 5322 5323 // The presence of any 'always ask' alternatives means we'll also offer browsers. 5324 // If there were 'always' entries their preferred order has been set, so we also 5325 // back that off to make the alternatives equivalent 5326 if (alwaysAskList.size() > 0) { 5327 for (ResolveInfo i : result) { 5328 i.preferredOrder = 0; 5329 } 5330 result.addAll(alwaysAskList); 5331 includeBrowser = true; 5332 } 5333 5334 if (includeBrowser) { 5335 // Also add browsers (all of them or only the default one) 5336 if (DEBUG_DOMAIN_VERIFICATION) { 5337 Slog.v(TAG, " ...including browsers in candidate set"); 5338 } 5339 if ((matchFlags & MATCH_ALL) != 0) { 5340 result.addAll(matchAllList); 5341 } else { 5342 // Browser/generic handling case. If there's a default browser, go straight 5343 // to that (but only if there is no other higher-priority match). 5344 final String defaultBrowserPackageName = getDefaultBrowserPackageName(userId); 5345 int maxMatchPrio = 0; 5346 ResolveInfo defaultBrowserMatch = null; 5347 final int numCandidates = matchAllList.size(); 5348 for (int n = 0; n < numCandidates; n++) { 5349 ResolveInfo info = matchAllList.get(n); 5350 // track the highest overall match priority... 5351 if (info.priority > maxMatchPrio) { 5352 maxMatchPrio = info.priority; 5353 } 5354 // ...and the highest-priority default browser match 5355 if (info.activityInfo.packageName.equals(defaultBrowserPackageName)) { 5356 if (defaultBrowserMatch == null 5357 || (defaultBrowserMatch.priority < info.priority)) { 5358 if (debug) { 5359 Slog.v(TAG, "Considering default browser match " + info); 5360 } 5361 defaultBrowserMatch = info; 5362 } 5363 } 5364 } 5365 if (defaultBrowserMatch != null 5366 && defaultBrowserMatch.priority >= maxMatchPrio 5367 && !TextUtils.isEmpty(defaultBrowserPackageName)) 5368 { 5369 if (debug) { 5370 Slog.v(TAG, "Default browser match " + defaultBrowserMatch); 5371 } 5372 result.add(defaultBrowserMatch); 5373 } else { 5374 result.addAll(matchAllList); 5375 } 5376 } 5377 5378 // If there is nothing selected, add all candidates and remove the ones that the user 5379 // has explicitly put into the INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER state 5380 if (result.size() == 0) { 5381 result.addAll(candidates); 5382 result.removeAll(neverList); 5383 } 5384 } 5385 } 5386 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5387 Slog.v(TAG, "Filtered results with preferred activities. New candidates count: " + 5388 result.size()); 5389 for (ResolveInfo info : result) { 5390 Slog.v(TAG, " + " + info.activityInfo); 5391 } 5392 } 5393 return result; 5394 } 5395 5396 // Returns a packed value as a long: 5397 // 5398 // high 'int'-sized word: link status: undefined/ask/never/always. 5399 // low 'int'-sized word: relative priority among 'always' results. 5400 private long getDomainVerificationStatusLPr(PackageSetting ps, int userId) { 5401 long result = ps.getDomainVerificationStatusForUser(userId); 5402 // if none available, get the master status 5403 if (result >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 5404 if (ps.getIntentFilterVerificationInfo() != null) { 5405 result = ((long)ps.getIntentFilterVerificationInfo().getStatus()) << 32; 5406 } 5407 } 5408 return result; 5409 } 5410 5411 private ResolveInfo querySkipCurrentProfileIntents( 5412 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5413 int flags, int sourceUserId) { 5414 if (matchingFilters != null) { 5415 int size = matchingFilters.size(); 5416 for (int i = 0; i < size; i ++) { 5417 CrossProfileIntentFilter filter = matchingFilters.get(i); 5418 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 5419 // Checking if there are activities in the target user that can handle the 5420 // intent. 5421 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5422 resolvedType, flags, sourceUserId); 5423 if (resolveInfo != null) { 5424 return resolveInfo; 5425 } 5426 } 5427 } 5428 } 5429 return null; 5430 } 5431 5432 // Return matching ResolveInfo in target user if any. 5433 private ResolveInfo queryCrossProfileIntents( 5434 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5435 int flags, int sourceUserId, boolean matchInCurrentProfile) { 5436 if (matchingFilters != null) { 5437 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 5438 // match the same intent. For performance reasons, it is better not to 5439 // run queryIntent twice for the same userId 5440 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 5441 int size = matchingFilters.size(); 5442 for (int i = 0; i < size; i++) { 5443 CrossProfileIntentFilter filter = matchingFilters.get(i); 5444 int targetUserId = filter.getTargetUserId(); 5445 boolean skipCurrentProfile = 5446 (filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0; 5447 boolean skipCurrentProfileIfNoMatchFound = 5448 (filter.getFlags() & PackageManager.ONLY_IF_NO_MATCH_FOUND) != 0; 5449 if (!skipCurrentProfile && !alreadyTriedUserIds.get(targetUserId) 5450 && (!skipCurrentProfileIfNoMatchFound || !matchInCurrentProfile)) { 5451 // Checking if there are activities in the target user that can handle the 5452 // intent. 5453 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5454 resolvedType, flags, sourceUserId); 5455 if (resolveInfo != null) return resolveInfo; 5456 alreadyTriedUserIds.put(targetUserId, true); 5457 } 5458 } 5459 } 5460 return null; 5461 } 5462 5463 /** 5464 * If the filter's target user can handle the intent and is enabled: returns a ResolveInfo that 5465 * will forward the intent to the filter's target user. 5466 * Otherwise, returns null. 5467 */ 5468 private ResolveInfo createForwardingResolveInfo(CrossProfileIntentFilter filter, Intent intent, 5469 String resolvedType, int flags, int sourceUserId) { 5470 int targetUserId = filter.getTargetUserId(); 5471 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5472 resolvedType, flags, targetUserId); 5473 if (resultTargetUser != null && isUserEnabled(targetUserId)) { 5474 // If all the matches in the target profile are suspended, return null. 5475 for (int i = resultTargetUser.size() - 1; i >= 0; i--) { 5476 if ((resultTargetUser.get(i).activityInfo.applicationInfo.flags 5477 & ApplicationInfo.FLAG_SUSPENDED) == 0) { 5478 return createForwardingResolveInfoUnchecked(filter, sourceUserId, 5479 targetUserId); 5480 } 5481 } 5482 } 5483 return null; 5484 } 5485 5486 private ResolveInfo createForwardingResolveInfoUnchecked(IntentFilter filter, 5487 int sourceUserId, int targetUserId) { 5488 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 5489 long ident = Binder.clearCallingIdentity(); 5490 boolean targetIsProfile; 5491 try { 5492 targetIsProfile = sUserManager.getUserInfo(targetUserId).isManagedProfile(); 5493 } finally { 5494 Binder.restoreCallingIdentity(ident); 5495 } 5496 String className; 5497 if (targetIsProfile) { 5498 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 5499 } else { 5500 className = FORWARD_INTENT_TO_PARENT; 5501 } 5502 ComponentName forwardingActivityComponentName = new ComponentName( 5503 mAndroidApplication.packageName, className); 5504 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 5505 sourceUserId); 5506 if (!targetIsProfile) { 5507 forwardingActivityInfo.showUserIcon = targetUserId; 5508 forwardingResolveInfo.noResourceId = true; 5509 } 5510 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 5511 forwardingResolveInfo.priority = 0; 5512 forwardingResolveInfo.preferredOrder = 0; 5513 forwardingResolveInfo.match = 0; 5514 forwardingResolveInfo.isDefault = true; 5515 forwardingResolveInfo.filter = filter; 5516 forwardingResolveInfo.targetUserId = targetUserId; 5517 return forwardingResolveInfo; 5518 } 5519 5520 @Override 5521 public List<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 5522 Intent[] specifics, String[] specificTypes, Intent intent, 5523 String resolvedType, int flags, int userId) { 5524 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5525 flags = updateFlagsForResolve(flags, userId, intent); 5526 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, 5527 false, "query intent activity options"); 5528 final String resultsAction = intent.getAction(); 5529 5530 List<ResolveInfo> results = queryIntentActivities(intent, resolvedType, flags 5531 | PackageManager.GET_RESOLVED_FILTER, userId); 5532 5533 if (DEBUG_INTENT_MATCHING) { 5534 Log.v(TAG, "Query " + intent + ": " + results); 5535 } 5536 5537 int specificsPos = 0; 5538 int N; 5539 5540 // todo: note that the algorithm used here is O(N^2). This 5541 // isn't a problem in our current environment, but if we start running 5542 // into situations where we have more than 5 or 10 matches then this 5543 // should probably be changed to something smarter... 5544 5545 // First we go through and resolve each of the specific items 5546 // that were supplied, taking care of removing any corresponding 5547 // duplicate items in the generic resolve list. 5548 if (specifics != null) { 5549 for (int i=0; i<specifics.length; i++) { 5550 final Intent sintent = specifics[i]; 5551 if (sintent == null) { 5552 continue; 5553 } 5554 5555 if (DEBUG_INTENT_MATCHING) { 5556 Log.v(TAG, "Specific #" + i + ": " + sintent); 5557 } 5558 5559 String action = sintent.getAction(); 5560 if (resultsAction != null && resultsAction.equals(action)) { 5561 // If this action was explicitly requested, then don't 5562 // remove things that have it. 5563 action = null; 5564 } 5565 5566 ResolveInfo ri = null; 5567 ActivityInfo ai = null; 5568 5569 ComponentName comp = sintent.getComponent(); 5570 if (comp == null) { 5571 ri = resolveIntent( 5572 sintent, 5573 specificTypes != null ? specificTypes[i] : null, 5574 flags, userId); 5575 if (ri == null) { 5576 continue; 5577 } 5578 if (ri == mResolveInfo) { 5579 // ACK! Must do something better with this. 5580 } 5581 ai = ri.activityInfo; 5582 comp = new ComponentName(ai.applicationInfo.packageName, 5583 ai.name); 5584 } else { 5585 ai = getActivityInfo(comp, flags, userId); 5586 if (ai == null) { 5587 continue; 5588 } 5589 } 5590 5591 // Look for any generic query activities that are duplicates 5592 // of this specific one, and remove them from the results. 5593 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 5594 N = results.size(); 5595 int j; 5596 for (j=specificsPos; j<N; j++) { 5597 ResolveInfo sri = results.get(j); 5598 if ((sri.activityInfo.name.equals(comp.getClassName()) 5599 && sri.activityInfo.applicationInfo.packageName.equals( 5600 comp.getPackageName())) 5601 || (action != null && sri.filter.matchAction(action))) { 5602 results.remove(j); 5603 if (DEBUG_INTENT_MATCHING) Log.v( 5604 TAG, "Removing duplicate item from " + j 5605 + " due to specific " + specificsPos); 5606 if (ri == null) { 5607 ri = sri; 5608 } 5609 j--; 5610 N--; 5611 } 5612 } 5613 5614 // Add this specific item to its proper place. 5615 if (ri == null) { 5616 ri = new ResolveInfo(); 5617 ri.activityInfo = ai; 5618 } 5619 results.add(specificsPos, ri); 5620 ri.specificIndex = i; 5621 specificsPos++; 5622 } 5623 } 5624 5625 // Now we go through the remaining generic results and remove any 5626 // duplicate actions that are found here. 5627 N = results.size(); 5628 for (int i=specificsPos; i<N-1; i++) { 5629 final ResolveInfo rii = results.get(i); 5630 if (rii.filter == null) { 5631 continue; 5632 } 5633 5634 // Iterate over all of the actions of this result's intent 5635 // filter... typically this should be just one. 5636 final Iterator<String> it = rii.filter.actionsIterator(); 5637 if (it == null) { 5638 continue; 5639 } 5640 while (it.hasNext()) { 5641 final String action = it.next(); 5642 if (resultsAction != null && resultsAction.equals(action)) { 5643 // If this action was explicitly requested, then don't 5644 // remove things that have it. 5645 continue; 5646 } 5647 for (int j=i+1; j<N; j++) { 5648 final ResolveInfo rij = results.get(j); 5649 if (rij.filter != null && rij.filter.hasAction(action)) { 5650 results.remove(j); 5651 if (DEBUG_INTENT_MATCHING) Log.v( 5652 TAG, "Removing duplicate item from " + j 5653 + " due to action " + action + " at " + i); 5654 j--; 5655 N--; 5656 } 5657 } 5658 } 5659 5660 // If the caller didn't request filter information, drop it now 5661 // so we don't have to marshall/unmarshall it. 5662 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 5663 rii.filter = null; 5664 } 5665 } 5666 5667 // Filter out the caller activity if so requested. 5668 if (caller != null) { 5669 N = results.size(); 5670 for (int i=0; i<N; i++) { 5671 ActivityInfo ainfo = results.get(i).activityInfo; 5672 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 5673 && caller.getClassName().equals(ainfo.name)) { 5674 results.remove(i); 5675 break; 5676 } 5677 } 5678 } 5679 5680 // If the caller didn't request filter information, 5681 // drop them now so we don't have to 5682 // marshall/unmarshall it. 5683 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 5684 N = results.size(); 5685 for (int i=0; i<N; i++) { 5686 results.get(i).filter = null; 5687 } 5688 } 5689 5690 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 5691 return results; 5692 } 5693 5694 @Override 5695 public List<ResolveInfo> queryIntentReceivers(Intent intent, String resolvedType, int flags, 5696 int userId) { 5697 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5698 flags = updateFlagsForResolve(flags, userId, intent); 5699 ComponentName comp = intent.getComponent(); 5700 if (comp == null) { 5701 if (intent.getSelector() != null) { 5702 intent = intent.getSelector(); 5703 comp = intent.getComponent(); 5704 } 5705 } 5706 if (comp != null) { 5707 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5708 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 5709 if (ai != null) { 5710 ResolveInfo ri = new ResolveInfo(); 5711 ri.activityInfo = ai; 5712 list.add(ri); 5713 } 5714 return list; 5715 } 5716 5717 // reader 5718 synchronized (mPackages) { 5719 String pkgName = intent.getPackage(); 5720 if (pkgName == null) { 5721 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 5722 } 5723 final PackageParser.Package pkg = mPackages.get(pkgName); 5724 if (pkg != null) { 5725 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 5726 userId); 5727 } 5728 return null; 5729 } 5730 } 5731 5732 @Override 5733 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 5734 if (!sUserManager.exists(userId)) return null; 5735 flags = updateFlagsForResolve(flags, userId, intent); 5736 List<ResolveInfo> query = queryIntentServices(intent, resolvedType, flags, userId); 5737 if (query != null) { 5738 if (query.size() >= 1) { 5739 // If there is more than one service with the same priority, 5740 // just arbitrarily pick the first one. 5741 return query.get(0); 5742 } 5743 } 5744 return null; 5745 } 5746 5747 @Override 5748 public List<ResolveInfo> queryIntentServices(Intent intent, String resolvedType, int flags, 5749 int userId) { 5750 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5751 flags = updateFlagsForResolve(flags, userId, intent); 5752 ComponentName comp = intent.getComponent(); 5753 if (comp == null) { 5754 if (intent.getSelector() != null) { 5755 intent = intent.getSelector(); 5756 comp = intent.getComponent(); 5757 } 5758 } 5759 if (comp != null) { 5760 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5761 final ServiceInfo si = getServiceInfo(comp, flags, userId); 5762 if (si != null) { 5763 final ResolveInfo ri = new ResolveInfo(); 5764 ri.serviceInfo = si; 5765 list.add(ri); 5766 } 5767 return list; 5768 } 5769 5770 // reader 5771 synchronized (mPackages) { 5772 String pkgName = intent.getPackage(); 5773 if (pkgName == null) { 5774 return mServices.queryIntent(intent, resolvedType, flags, userId); 5775 } 5776 final PackageParser.Package pkg = mPackages.get(pkgName); 5777 if (pkg != null) { 5778 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 5779 userId); 5780 } 5781 return null; 5782 } 5783 } 5784 5785 @Override 5786 public List<ResolveInfo> queryIntentContentProviders( 5787 Intent intent, String resolvedType, int flags, int userId) { 5788 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5789 flags = updateFlagsForResolve(flags, userId, intent); 5790 ComponentName comp = intent.getComponent(); 5791 if (comp == null) { 5792 if (intent.getSelector() != null) { 5793 intent = intent.getSelector(); 5794 comp = intent.getComponent(); 5795 } 5796 } 5797 if (comp != null) { 5798 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5799 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 5800 if (pi != null) { 5801 final ResolveInfo ri = new ResolveInfo(); 5802 ri.providerInfo = pi; 5803 list.add(ri); 5804 } 5805 return list; 5806 } 5807 5808 // reader 5809 synchronized (mPackages) { 5810 String pkgName = intent.getPackage(); 5811 if (pkgName == null) { 5812 return mProviders.queryIntent(intent, resolvedType, flags, userId); 5813 } 5814 final PackageParser.Package pkg = mPackages.get(pkgName); 5815 if (pkg != null) { 5816 return mProviders.queryIntentForPackage( 5817 intent, resolvedType, flags, pkg.providers, userId); 5818 } 5819 return null; 5820 } 5821 } 5822 5823 @Override 5824 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 5825 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 5826 flags = updateFlagsForPackage(flags, userId, null); 5827 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 5828 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, "get installed packages"); 5829 5830 // writer 5831 synchronized (mPackages) { 5832 ArrayList<PackageInfo> list; 5833 if (listUninstalled) { 5834 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 5835 for (PackageSetting ps : mSettings.mPackages.values()) { 5836 PackageInfo pi; 5837 if (ps.pkg != null) { 5838 pi = generatePackageInfo(ps.pkg, flags, userId); 5839 } else { 5840 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 5841 } 5842 if (pi != null) { 5843 list.add(pi); 5844 } 5845 } 5846 } else { 5847 list = new ArrayList<PackageInfo>(mPackages.size()); 5848 for (PackageParser.Package p : mPackages.values()) { 5849 PackageInfo pi = generatePackageInfo(p, flags, userId); 5850 if (pi != null) { 5851 list.add(pi); 5852 } 5853 } 5854 } 5855 5856 return new ParceledListSlice<PackageInfo>(list); 5857 } 5858 } 5859 5860 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 5861 String[] permissions, boolean[] tmp, int flags, int userId) { 5862 int numMatch = 0; 5863 final PermissionsState permissionsState = ps.getPermissionsState(); 5864 for (int i=0; i<permissions.length; i++) { 5865 final String permission = permissions[i]; 5866 if (permissionsState.hasPermission(permission, userId)) { 5867 tmp[i] = true; 5868 numMatch++; 5869 } else { 5870 tmp[i] = false; 5871 } 5872 } 5873 if (numMatch == 0) { 5874 return; 5875 } 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 // The above might return null in cases of uninstalled apps or install-state 5883 // skew across users/profiles. 5884 if (pi != null) { 5885 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 5886 if (numMatch == permissions.length) { 5887 pi.requestedPermissions = permissions; 5888 } else { 5889 pi.requestedPermissions = new String[numMatch]; 5890 numMatch = 0; 5891 for (int i=0; i<permissions.length; i++) { 5892 if (tmp[i]) { 5893 pi.requestedPermissions[numMatch] = permissions[i]; 5894 numMatch++; 5895 } 5896 } 5897 } 5898 } 5899 list.add(pi); 5900 } 5901 } 5902 5903 @Override 5904 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 5905 String[] permissions, int flags, int userId) { 5906 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 5907 flags = updateFlagsForPackage(flags, userId, permissions); 5908 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 5909 5910 // writer 5911 synchronized (mPackages) { 5912 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 5913 boolean[] tmpBools = new boolean[permissions.length]; 5914 if (listUninstalled) { 5915 for (PackageSetting ps : mSettings.mPackages.values()) { 5916 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 5917 } 5918 } else { 5919 for (PackageParser.Package pkg : mPackages.values()) { 5920 PackageSetting ps = (PackageSetting)pkg.mExtras; 5921 if (ps != null) { 5922 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 5923 userId); 5924 } 5925 } 5926 } 5927 5928 return new ParceledListSlice<PackageInfo>(list); 5929 } 5930 } 5931 5932 @Override 5933 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 5934 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 5935 flags = updateFlagsForApplication(flags, userId, null); 5936 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 5937 5938 // writer 5939 synchronized (mPackages) { 5940 ArrayList<ApplicationInfo> list; 5941 if (listUninstalled) { 5942 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 5943 for (PackageSetting ps : mSettings.mPackages.values()) { 5944 ApplicationInfo ai; 5945 if (ps.pkg != null) { 5946 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 5947 ps.readUserState(userId), userId); 5948 } else { 5949 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 5950 } 5951 if (ai != null) { 5952 list.add(ai); 5953 } 5954 } 5955 } else { 5956 list = new ArrayList<ApplicationInfo>(mPackages.size()); 5957 for (PackageParser.Package p : mPackages.values()) { 5958 if (p.mExtras != null) { 5959 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 5960 ((PackageSetting)p.mExtras).readUserState(userId), userId); 5961 if (ai != null) { 5962 list.add(ai); 5963 } 5964 } 5965 } 5966 } 5967 5968 return new ParceledListSlice<ApplicationInfo>(list); 5969 } 5970 } 5971 5972 @Override 5973 public ParceledListSlice<EphemeralApplicationInfo> getEphemeralApplications(int userId) { 5974 if (DISABLE_EPHEMERAL_APPS) { 5975 return null; 5976 } 5977 5978 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 5979 "getEphemeralApplications"); 5980 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 5981 "getEphemeralApplications"); 5982 synchronized (mPackages) { 5983 List<EphemeralApplicationInfo> ephemeralApps = mEphemeralApplicationRegistry 5984 .getEphemeralApplicationsLPw(userId); 5985 if (ephemeralApps != null) { 5986 return new ParceledListSlice<>(ephemeralApps); 5987 } 5988 } 5989 return null; 5990 } 5991 5992 @Override 5993 public boolean isEphemeralApplication(String packageName, int userId) { 5994 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 5995 "isEphemeral"); 5996 if (DISABLE_EPHEMERAL_APPS) { 5997 return false; 5998 } 5999 6000 if (!isCallerSameApp(packageName)) { 6001 return false; 6002 } 6003 synchronized (mPackages) { 6004 PackageParser.Package pkg = mPackages.get(packageName); 6005 if (pkg != null) { 6006 return pkg.applicationInfo.isEphemeralApp(); 6007 } 6008 } 6009 return false; 6010 } 6011 6012 @Override 6013 public byte[] getEphemeralApplicationCookie(String packageName, int userId) { 6014 if (DISABLE_EPHEMERAL_APPS) { 6015 return null; 6016 } 6017 6018 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 6019 "getCookie"); 6020 if (!isCallerSameApp(packageName)) { 6021 return null; 6022 } 6023 synchronized (mPackages) { 6024 return mEphemeralApplicationRegistry.getEphemeralApplicationCookieLPw( 6025 packageName, userId); 6026 } 6027 } 6028 6029 @Override 6030 public boolean setEphemeralApplicationCookie(String packageName, byte[] cookie, int userId) { 6031 if (DISABLE_EPHEMERAL_APPS) { 6032 return true; 6033 } 6034 6035 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 6036 "setCookie"); 6037 if (!isCallerSameApp(packageName)) { 6038 return false; 6039 } 6040 synchronized (mPackages) { 6041 return mEphemeralApplicationRegistry.setEphemeralApplicationCookieLPw( 6042 packageName, cookie, userId); 6043 } 6044 } 6045 6046 @Override 6047 public Bitmap getEphemeralApplicationIcon(String packageName, int userId) { 6048 if (DISABLE_EPHEMERAL_APPS) { 6049 return null; 6050 } 6051 6052 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 6053 "getEphemeralApplicationIcon"); 6054 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 6055 "getEphemeralApplicationIcon"); 6056 synchronized (mPackages) { 6057 return mEphemeralApplicationRegistry.getEphemeralApplicationIconLPw( 6058 packageName, userId); 6059 } 6060 } 6061 6062 private boolean isCallerSameApp(String packageName) { 6063 PackageParser.Package pkg = mPackages.get(packageName); 6064 return pkg != null 6065 && UserHandle.getAppId(Binder.getCallingUid()) == pkg.applicationInfo.uid; 6066 } 6067 6068 public List<ApplicationInfo> getPersistentApplications(int flags) { 6069 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 6070 6071 // reader 6072 synchronized (mPackages) { 6073 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 6074 final int userId = UserHandle.getCallingUserId(); 6075 while (i.hasNext()) { 6076 final PackageParser.Package p = i.next(); 6077 if (p.applicationInfo != null 6078 && (p.applicationInfo.flags&ApplicationInfo.FLAG_PERSISTENT) != 0 6079 && (!mSafeMode || isSystemApp(p))) { 6080 PackageSetting ps = mSettings.mPackages.get(p.packageName); 6081 if (ps != null) { 6082 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 6083 ps.readUserState(userId), userId); 6084 if (ai != null) { 6085 finalList.add(ai); 6086 } 6087 } 6088 } 6089 } 6090 } 6091 6092 return finalList; 6093 } 6094 6095 @Override 6096 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 6097 if (!sUserManager.exists(userId)) return null; 6098 flags = updateFlagsForComponent(flags, userId, name); 6099 // reader 6100 synchronized (mPackages) { 6101 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 6102 PackageSetting ps = provider != null 6103 ? mSettings.mPackages.get(provider.owner.packageName) 6104 : null; 6105 return ps != null 6106 && mSettings.isEnabledAndMatchLPr(provider.info, flags, userId) 6107 ? PackageParser.generateProviderInfo(provider, flags, 6108 ps.readUserState(userId), userId) 6109 : null; 6110 } 6111 } 6112 6113 /** 6114 * @deprecated 6115 */ 6116 @Deprecated 6117 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 6118 // reader 6119 synchronized (mPackages) { 6120 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 6121 .entrySet().iterator(); 6122 final int userId = UserHandle.getCallingUserId(); 6123 while (i.hasNext()) { 6124 Map.Entry<String, PackageParser.Provider> entry = i.next(); 6125 PackageParser.Provider p = entry.getValue(); 6126 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6127 6128 if (ps != null && p.syncable 6129 && (!mSafeMode || (p.info.applicationInfo.flags 6130 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 6131 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 6132 ps.readUserState(userId), userId); 6133 if (info != null) { 6134 outNames.add(entry.getKey()); 6135 outInfo.add(info); 6136 } 6137 } 6138 } 6139 } 6140 } 6141 6142 @Override 6143 public ParceledListSlice<ProviderInfo> queryContentProviders(String processName, 6144 int uid, int flags) { 6145 final int userId = processName != null ? UserHandle.getUserId(uid) 6146 : UserHandle.getCallingUserId(); 6147 if (!sUserManager.exists(userId)) return null; 6148 flags = updateFlagsForComponent(flags, userId, processName); 6149 6150 ArrayList<ProviderInfo> finalList = null; 6151 // reader 6152 synchronized (mPackages) { 6153 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 6154 while (i.hasNext()) { 6155 final PackageParser.Provider p = i.next(); 6156 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6157 if (ps != null && p.info.authority != null 6158 && (processName == null 6159 || (p.info.processName.equals(processName) 6160 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 6161 && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 6162 if (finalList == null) { 6163 finalList = new ArrayList<ProviderInfo>(3); 6164 } 6165 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 6166 ps.readUserState(userId), userId); 6167 if (info != null) { 6168 finalList.add(info); 6169 } 6170 } 6171 } 6172 } 6173 6174 if (finalList != null) { 6175 Collections.sort(finalList, mProviderInitOrderSorter); 6176 return new ParceledListSlice<ProviderInfo>(finalList); 6177 } 6178 6179 return null; 6180 } 6181 6182 @Override 6183 public InstrumentationInfo getInstrumentationInfo(ComponentName name, int flags) { 6184 // reader 6185 synchronized (mPackages) { 6186 final PackageParser.Instrumentation i = mInstrumentation.get(name); 6187 return PackageParser.generateInstrumentationInfo(i, flags); 6188 } 6189 } 6190 6191 @Override 6192 public List<InstrumentationInfo> queryInstrumentation(String targetPackage, 6193 int flags) { 6194 ArrayList<InstrumentationInfo> finalList = 6195 new ArrayList<InstrumentationInfo>(); 6196 6197 // reader 6198 synchronized (mPackages) { 6199 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 6200 while (i.hasNext()) { 6201 final PackageParser.Instrumentation p = i.next(); 6202 if (targetPackage == null 6203 || targetPackage.equals(p.info.targetPackage)) { 6204 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 6205 flags); 6206 if (ii != null) { 6207 finalList.add(ii); 6208 } 6209 } 6210 } 6211 } 6212 6213 return finalList; 6214 } 6215 6216 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 6217 ArrayMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 6218 if (overlays == null) { 6219 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 6220 return; 6221 } 6222 for (PackageParser.Package opkg : overlays.values()) { 6223 // Not much to do if idmap fails: we already logged the error 6224 // and we certainly don't want to abort installation of pkg simply 6225 // because an overlay didn't fit properly. For these reasons, 6226 // ignore the return value of createIdmapForPackagePairLI. 6227 createIdmapForPackagePairLI(pkg, opkg); 6228 } 6229 } 6230 6231 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 6232 PackageParser.Package opkg) { 6233 if (!opkg.mTrustedOverlay) { 6234 Slog.w(TAG, "Skipping target and overlay pair " + pkg.baseCodePath + " and " + 6235 opkg.baseCodePath + ": overlay not trusted"); 6236 return false; 6237 } 6238 ArrayMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 6239 if (overlaySet == null) { 6240 Slog.e(TAG, "was about to create idmap for " + pkg.baseCodePath + " and " + 6241 opkg.baseCodePath + " but target package has no known overlays"); 6242 return false; 6243 } 6244 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 6245 // TODO: generate idmap for split APKs 6246 try { 6247 mInstaller.idmap(pkg.baseCodePath, opkg.baseCodePath, sharedGid); 6248 } catch (InstallerException e) { 6249 Slog.e(TAG, "Failed to generate idmap for " + pkg.baseCodePath + " and " 6250 + opkg.baseCodePath); 6251 return false; 6252 } 6253 PackageParser.Package[] overlayArray = 6254 overlaySet.values().toArray(new PackageParser.Package[0]); 6255 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 6256 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 6257 return p1.mOverlayPriority - p2.mOverlayPriority; 6258 } 6259 }; 6260 Arrays.sort(overlayArray, cmp); 6261 6262 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 6263 int i = 0; 6264 for (PackageParser.Package p : overlayArray) { 6265 pkg.applicationInfo.resourceDirs[i++] = p.baseCodePath; 6266 } 6267 return true; 6268 } 6269 6270 private void scanDirTracedLI(File dir, int parseFlags, int scanFlags, long currentTime) { 6271 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanDir"); 6272 try { 6273 scanDirLI(dir, parseFlags, scanFlags, currentTime); 6274 } finally { 6275 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6276 } 6277 } 6278 6279 private void scanDirLI(File dir, int parseFlags, int scanFlags, long currentTime) { 6280 final File[] files = dir.listFiles(); 6281 if (ArrayUtils.isEmpty(files)) { 6282 Log.d(TAG, "No files in app dir " + dir); 6283 return; 6284 } 6285 6286 if (DEBUG_PACKAGE_SCANNING) { 6287 Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags 6288 + " flags=0x" + Integer.toHexString(parseFlags)); 6289 } 6290 6291 for (File file : files) { 6292 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 6293 && !PackageInstallerService.isStageName(file.getName()); 6294 if (!isPackage) { 6295 // Ignore entries which are not packages 6296 continue; 6297 } 6298 try { 6299 scanPackageTracedLI(file, parseFlags | PackageParser.PARSE_MUST_BE_APK, 6300 scanFlags, currentTime, null); 6301 } catch (PackageManagerException e) { 6302 Slog.w(TAG, "Failed to parse " + file + ": " + e.getMessage()); 6303 6304 // Delete invalid userdata apps 6305 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 && 6306 e.error == PackageManager.INSTALL_FAILED_INVALID_APK) { 6307 logCriticalInfo(Log.WARN, "Deleting invalid package at " + file); 6308 removeCodePathLI(file); 6309 } 6310 } 6311 } 6312 } 6313 6314 private static File getSettingsProblemFile() { 6315 File dataDir = Environment.getDataDirectory(); 6316 File systemDir = new File(dataDir, "system"); 6317 File fname = new File(systemDir, "uiderrors.txt"); 6318 return fname; 6319 } 6320 6321 static void reportSettingsProblem(int priority, String msg) { 6322 logCriticalInfo(priority, msg); 6323 } 6324 6325 static void logCriticalInfo(int priority, String msg) { 6326 Slog.println(priority, TAG, msg); 6327 EventLogTags.writePmCriticalInfo(msg); 6328 try { 6329 File fname = getSettingsProblemFile(); 6330 FileOutputStream out = new FileOutputStream(fname, true); 6331 PrintWriter pw = new FastPrintWriter(out); 6332 SimpleDateFormat formatter = new SimpleDateFormat(); 6333 String dateString = formatter.format(new Date(System.currentTimeMillis())); 6334 pw.println(dateString + ": " + msg); 6335 pw.close(); 6336 FileUtils.setPermissions( 6337 fname.toString(), 6338 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 6339 -1, -1); 6340 } catch (java.io.IOException e) { 6341 } 6342 } 6343 6344 private void collectCertificatesLI(PackageSetting ps, PackageParser.Package pkg, File srcFile, 6345 int parseFlags) throws PackageManagerException { 6346 if (ps != null 6347 && ps.codePath.equals(srcFile) 6348 && ps.timeStamp == srcFile.lastModified() 6349 && !isCompatSignatureUpdateNeeded(pkg) 6350 && !isRecoverSignatureUpdateNeeded(pkg)) { 6351 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 6352 KeySetManagerService ksms = mSettings.mKeySetManagerService; 6353 ArraySet<PublicKey> signingKs; 6354 synchronized (mPackages) { 6355 signingKs = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId); 6356 } 6357 if (ps.signatures.mSignatures != null 6358 && ps.signatures.mSignatures.length != 0 6359 && signingKs != null) { 6360 // Optimization: reuse the existing cached certificates 6361 // if the package appears to be unchanged. 6362 pkg.mSignatures = ps.signatures.mSignatures; 6363 pkg.mSigningKeys = signingKs; 6364 return; 6365 } 6366 6367 Slog.w(TAG, "PackageSetting for " + ps.name 6368 + " is missing signatures. Collecting certs again to recover them."); 6369 } else { 6370 Log.i(TAG, srcFile.toString() + " changed; collecting certs"); 6371 } 6372 6373 try { 6374 PackageParser.collectCertificates(pkg, parseFlags); 6375 } catch (PackageParserException e) { 6376 throw PackageManagerException.from(e); 6377 } 6378 } 6379 6380 /** 6381 * Traces a package scan. 6382 * @see #scanPackageLI(File, int, int, long, UserHandle) 6383 */ 6384 private PackageParser.Package scanPackageTracedLI(File scanFile, int parseFlags, int scanFlags, 6385 long currentTime, UserHandle user) throws PackageManagerException { 6386 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 6387 try { 6388 return scanPackageLI(scanFile, parseFlags, scanFlags, currentTime, user); 6389 } finally { 6390 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6391 } 6392 } 6393 6394 /** 6395 * Scans a package and returns the newly parsed package. 6396 * Returns {@code null} in case of errors and the error code is stored in mLastScanError 6397 */ 6398 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags, 6399 long currentTime, UserHandle user) throws PackageManagerException { 6400 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 6401 parseFlags |= mDefParseFlags; 6402 PackageParser pp = new PackageParser(); 6403 pp.setSeparateProcesses(mSeparateProcesses); 6404 pp.setOnlyCoreApps(mOnlyCore); 6405 pp.setDisplayMetrics(mMetrics); 6406 6407 if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) { 6408 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 6409 } 6410 6411 final PackageParser.Package pkg; 6412 try { 6413 pkg = pp.parsePackage(scanFile, parseFlags); 6414 } catch (PackageParserException e) { 6415 throw PackageManagerException.from(e); 6416 } 6417 6418 return scanPackageLI(pkg, scanFile, parseFlags, scanFlags, currentTime, user); 6419 } 6420 6421 /** 6422 * Scans a package and returns the newly parsed package. 6423 * @throws PackageManagerException on a parse error. 6424 */ 6425 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, File scanFile, 6426 int parseFlags, int scanFlags, long currentTime, UserHandle user) 6427 throws PackageManagerException { 6428 // If the package has children and this is the first dive in the function 6429 // we scan the package with the SCAN_CHECK_ONLY flag set to see whether all 6430 // packages (parent and children) would be successfully scanned before the 6431 // actual scan since scanning mutates internal state and we want to atomically 6432 // install the package and its children. 6433 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 6434 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 6435 scanFlags |= SCAN_CHECK_ONLY; 6436 } 6437 } else { 6438 scanFlags &= ~SCAN_CHECK_ONLY; 6439 } 6440 6441 // Scan the parent 6442 PackageParser.Package scannedPkg = scanPackageInternalLI(pkg, scanFile, parseFlags, 6443 scanFlags, currentTime, user); 6444 6445 // Scan the children 6446 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 6447 for (int i = 0; i < childCount; i++) { 6448 PackageParser.Package childPackage = pkg.childPackages.get(i); 6449 scanPackageInternalLI(childPackage, scanFile, parseFlags, scanFlags, 6450 currentTime, user); 6451 } 6452 6453 6454 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 6455 return scanPackageLI(pkg, scanFile, parseFlags, scanFlags, currentTime, user); 6456 } 6457 6458 return scannedPkg; 6459 } 6460 6461 /** 6462 * Scans a package and returns the newly parsed package. 6463 * @throws PackageManagerException on a parse error. 6464 */ 6465 private PackageParser.Package scanPackageInternalLI(PackageParser.Package pkg, File scanFile, 6466 int parseFlags, int scanFlags, long currentTime, UserHandle user) 6467 throws PackageManagerException { 6468 PackageSetting ps = null; 6469 PackageSetting updatedPkg; 6470 // reader 6471 synchronized (mPackages) { 6472 // Look to see if we already know about this package. 6473 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 6474 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 6475 // This package has been renamed to its original name. Let's 6476 // use that. 6477 ps = mSettings.peekPackageLPr(oldName); 6478 } 6479 // If there was no original package, see one for the real package name. 6480 if (ps == null) { 6481 ps = mSettings.peekPackageLPr(pkg.packageName); 6482 } 6483 // Check to see if this package could be hiding/updating a system 6484 // package. Must look for it either under the original or real 6485 // package name depending on our state. 6486 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 6487 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 6488 6489 // If this is a package we don't know about on the system partition, we 6490 // may need to remove disabled child packages on the system partition 6491 // or may need to not add child packages if the parent apk is updated 6492 // on the data partition and no longer defines this child package. 6493 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6494 // If this is a parent package for an updated system app and this system 6495 // app got an OTA update which no longer defines some of the child packages 6496 // we have to prune them from the disabled system packages. 6497 PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(pkg.packageName); 6498 if (disabledPs != null) { 6499 final int scannedChildCount = (pkg.childPackages != null) 6500 ? pkg.childPackages.size() : 0; 6501 final int disabledChildCount = disabledPs.childPackageNames != null 6502 ? disabledPs.childPackageNames.size() : 0; 6503 for (int i = 0; i < disabledChildCount; i++) { 6504 String disabledChildPackageName = disabledPs.childPackageNames.get(i); 6505 boolean disabledPackageAvailable = false; 6506 for (int j = 0; j < scannedChildCount; j++) { 6507 PackageParser.Package childPkg = pkg.childPackages.get(j); 6508 if (childPkg.packageName.equals(disabledChildPackageName)) { 6509 disabledPackageAvailable = true; 6510 break; 6511 } 6512 } 6513 if (!disabledPackageAvailable) { 6514 mSettings.removeDisabledSystemPackageLPw(disabledChildPackageName); 6515 } 6516 } 6517 } 6518 } 6519 } 6520 6521 boolean updatedPkgBetter = false; 6522 // First check if this is a system package that may involve an update 6523 if (updatedPkg != null && (parseFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6524 // If new package is not located in "/system/priv-app" (e.g. due to an OTA), 6525 // it needs to drop FLAG_PRIVILEGED. 6526 if (locationIsPrivileged(scanFile)) { 6527 updatedPkg.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6528 } else { 6529 updatedPkg.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6530 } 6531 6532 if (ps != null && !ps.codePath.equals(scanFile)) { 6533 // The path has changed from what was last scanned... check the 6534 // version of the new path against what we have stored to determine 6535 // what to do. 6536 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 6537 if (pkg.mVersionCode <= ps.versionCode) { 6538 // The system package has been updated and the code path does not match 6539 // Ignore entry. Skip it. 6540 if (DEBUG_INSTALL) Slog.i(TAG, "Package " + ps.name + " at " + scanFile 6541 + " ignored: updated version " + ps.versionCode 6542 + " better than this " + pkg.mVersionCode); 6543 if (!updatedPkg.codePath.equals(scanFile)) { 6544 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg " 6545 + ps.name + " changing from " + updatedPkg.codePathString 6546 + " to " + scanFile); 6547 updatedPkg.codePath = scanFile; 6548 updatedPkg.codePathString = scanFile.toString(); 6549 updatedPkg.resourcePath = scanFile; 6550 updatedPkg.resourcePathString = scanFile.toString(); 6551 } 6552 updatedPkg.pkg = pkg; 6553 updatedPkg.versionCode = pkg.mVersionCode; 6554 6555 // Update the disabled system child packages to point to the package too. 6556 final int childCount = updatedPkg.childPackageNames != null 6557 ? updatedPkg.childPackageNames.size() : 0; 6558 for (int i = 0; i < childCount; i++) { 6559 String childPackageName = updatedPkg.childPackageNames.get(i); 6560 PackageSetting updatedChildPkg = mSettings.getDisabledSystemPkgLPr( 6561 childPackageName); 6562 if (updatedChildPkg != null) { 6563 updatedChildPkg.pkg = pkg; 6564 updatedChildPkg.versionCode = pkg.mVersionCode; 6565 } 6566 } 6567 6568 throw new PackageManagerException(Log.WARN, "Package " + ps.name + " at " 6569 + scanFile + " ignored: updated version " + ps.versionCode 6570 + " better than this " + pkg.mVersionCode); 6571 } else { 6572 // The current app on the system partition is better than 6573 // what we have updated to on the data partition; switch 6574 // back to the system partition version. 6575 // At this point, its safely assumed that package installation for 6576 // apps in system partition will go through. If not there won't be a working 6577 // version of the app 6578 // writer 6579 synchronized (mPackages) { 6580 // Just remove the loaded entries from package lists. 6581 mPackages.remove(ps.name); 6582 } 6583 6584 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 6585 + " reverting from " + ps.codePathString 6586 + ": new version " + pkg.mVersionCode 6587 + " better than installed " + ps.versionCode); 6588 6589 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 6590 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 6591 synchronized (mInstallLock) { 6592 args.cleanUpResourcesLI(); 6593 } 6594 synchronized (mPackages) { 6595 mSettings.enableSystemPackageLPw(ps.name); 6596 } 6597 updatedPkgBetter = true; 6598 } 6599 } 6600 } 6601 6602 if (updatedPkg != null) { 6603 // An updated system app will not have the PARSE_IS_SYSTEM flag set 6604 // initially 6605 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 6606 6607 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 6608 // flag set initially 6609 if ((updatedPkg.pkgPrivateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0) { 6610 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 6611 } 6612 } 6613 6614 // Verify certificates against what was last scanned 6615 collectCertificatesLI(ps, pkg, scanFile, parseFlags); 6616 6617 /* 6618 * A new system app appeared, but we already had a non-system one of the 6619 * same name installed earlier. 6620 */ 6621 boolean shouldHideSystemApp = false; 6622 if (updatedPkg == null && ps != null 6623 && (parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 6624 /* 6625 * Check to make sure the signatures match first. If they don't, 6626 * wipe the installed application and its data. 6627 */ 6628 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 6629 != PackageManager.SIGNATURE_MATCH) { 6630 logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but" 6631 + " signatures don't match existing userdata copy; removing"); 6632 deletePackageLI(pkg.packageName, null, true, null, 0, null, false, null); 6633 ps = null; 6634 } else { 6635 /* 6636 * If the newly-added system app is an older version than the 6637 * already installed version, hide it. It will be scanned later 6638 * and re-added like an update. 6639 */ 6640 if (pkg.mVersionCode <= ps.versionCode) { 6641 shouldHideSystemApp = true; 6642 logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile 6643 + " but new version " + pkg.mVersionCode + " better than installed " 6644 + ps.versionCode + "; hiding system"); 6645 } else { 6646 /* 6647 * The newly found system app is a newer version that the 6648 * one previously installed. Simply remove the 6649 * already-installed application and replace it with our own 6650 * while keeping the application data. 6651 */ 6652 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 6653 + " reverting from " + ps.codePathString + ": new version " 6654 + pkg.mVersionCode + " better than installed " + ps.versionCode); 6655 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 6656 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 6657 synchronized (mInstallLock) { 6658 args.cleanUpResourcesLI(); 6659 } 6660 } 6661 } 6662 } 6663 6664 // The apk is forward locked (not public) if its code and resources 6665 // are kept in different files. (except for app in either system or 6666 // vendor path). 6667 // TODO grab this value from PackageSettings 6668 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 6669 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 6670 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 6671 } 6672 } 6673 6674 // TODO: extend to support forward-locked splits 6675 String resourcePath = null; 6676 String baseResourcePath = null; 6677 if ((parseFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 6678 if (ps != null && ps.resourcePathString != null) { 6679 resourcePath = ps.resourcePathString; 6680 baseResourcePath = ps.resourcePathString; 6681 } else { 6682 // Should not happen at all. Just log an error. 6683 Slog.e(TAG, "Resource path not set for package " + pkg.packageName); 6684 } 6685 } else { 6686 resourcePath = pkg.codePath; 6687 baseResourcePath = pkg.baseCodePath; 6688 } 6689 6690 // Set application objects path explicitly. 6691 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 6692 pkg.setApplicationInfoCodePath(pkg.codePath); 6693 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 6694 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 6695 pkg.setApplicationInfoResourcePath(resourcePath); 6696 pkg.setApplicationInfoBaseResourcePath(baseResourcePath); 6697 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 6698 6699 // Note that we invoke the following method only if we are about to unpack an application 6700 PackageParser.Package scannedPkg = scanPackageLI(pkg, parseFlags, scanFlags 6701 | SCAN_UPDATE_SIGNATURE, currentTime, user); 6702 6703 /* 6704 * If the system app should be overridden by a previously installed 6705 * data, hide the system app now and let the /data/app scan pick it up 6706 * again. 6707 */ 6708 if (shouldHideSystemApp) { 6709 synchronized (mPackages) { 6710 mSettings.disableSystemPackageLPw(pkg.packageName, true); 6711 } 6712 } 6713 6714 return scannedPkg; 6715 } 6716 6717 private static String fixProcessName(String defProcessName, 6718 String processName, int uid) { 6719 if (processName == null) { 6720 return defProcessName; 6721 } 6722 return processName; 6723 } 6724 6725 private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) 6726 throws PackageManagerException { 6727 if (pkgSetting.signatures.mSignatures != null) { 6728 // Already existing package. Make sure signatures match 6729 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 6730 == PackageManager.SIGNATURE_MATCH; 6731 if (!match) { 6732 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 6733 == PackageManager.SIGNATURE_MATCH; 6734 } 6735 if (!match) { 6736 match = compareSignaturesRecover(pkgSetting.signatures, pkg) 6737 == PackageManager.SIGNATURE_MATCH; 6738 } 6739 if (!match) { 6740 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 6741 + pkg.packageName + " signatures do not match the " 6742 + "previously installed version; ignoring!"); 6743 } 6744 } 6745 6746 // Check for shared user signatures 6747 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 6748 // Already existing package. Make sure signatures match 6749 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 6750 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 6751 if (!match) { 6752 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 6753 == PackageManager.SIGNATURE_MATCH; 6754 } 6755 if (!match) { 6756 match = compareSignaturesRecover(pkgSetting.sharedUser.signatures, pkg) 6757 == PackageManager.SIGNATURE_MATCH; 6758 } 6759 if (!match) { 6760 throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 6761 "Package " + pkg.packageName 6762 + " has no signatures that match those in shared user " 6763 + pkgSetting.sharedUser.name + "; ignoring!"); 6764 } 6765 } 6766 } 6767 6768 /** 6769 * Enforces that only the system UID or root's UID can call a method exposed 6770 * via Binder. 6771 * 6772 * @param message used as message if SecurityException is thrown 6773 * @throws SecurityException if the caller is not system or root 6774 */ 6775 private static final void enforceSystemOrRoot(String message) { 6776 final int uid = Binder.getCallingUid(); 6777 if (uid != Process.SYSTEM_UID && uid != 0) { 6778 throw new SecurityException(message); 6779 } 6780 } 6781 6782 @Override 6783 public void performFstrimIfNeeded() { 6784 enforceSystemOrRoot("Only the system can request fstrim"); 6785 6786 // Before everything else, see whether we need to fstrim. 6787 try { 6788 IMountService ms = PackageHelper.getMountService(); 6789 if (ms != null) { 6790 final boolean isUpgrade = isUpgrade(); 6791 boolean doTrim = isUpgrade; 6792 if (doTrim) { 6793 Slog.w(TAG, "Running disk maintenance immediately due to system update"); 6794 } else { 6795 final long interval = android.provider.Settings.Global.getLong( 6796 mContext.getContentResolver(), 6797 android.provider.Settings.Global.FSTRIM_MANDATORY_INTERVAL, 6798 DEFAULT_MANDATORY_FSTRIM_INTERVAL); 6799 if (interval > 0) { 6800 final long timeSinceLast = System.currentTimeMillis() - ms.lastMaintenance(); 6801 if (timeSinceLast > interval) { 6802 doTrim = true; 6803 Slog.w(TAG, "No disk maintenance in " + timeSinceLast 6804 + "; running immediately"); 6805 } 6806 } 6807 } 6808 if (doTrim) { 6809 if (!isFirstBoot()) { 6810 try { 6811 ActivityManagerNative.getDefault().showBootMessage( 6812 mContext.getResources().getString( 6813 R.string.android_upgrading_fstrim), true); 6814 } catch (RemoteException e) { 6815 } 6816 } 6817 ms.runMaintenance(); 6818 } 6819 } else { 6820 Slog.e(TAG, "Mount service unavailable!"); 6821 } 6822 } catch (RemoteException e) { 6823 // Can't happen; MountService is local 6824 } 6825 } 6826 6827 @Override 6828 public void extractPackagesIfNeeded() { 6829 enforceSystemOrRoot("Only the system can request package extraction"); 6830 6831 // Extract pacakges only if profile-guided compilation is enabled because 6832 // otherwise BackgroundDexOptService will not dexopt them later. 6833 if (!mUseJitProfiles || !isUpgrade()) { 6834 return; 6835 } 6836 6837 List<PackageParser.Package> pkgs; 6838 synchronized (mPackages) { 6839 pkgs = PackageManagerServiceUtils.getPackagesForDexopt(mPackages.values(), this); 6840 } 6841 6842 int curr = 0; 6843 int total = pkgs.size(); 6844 for (PackageParser.Package pkg : pkgs) { 6845 curr++; 6846 6847 if (DEBUG_DEXOPT) { 6848 Log.i(TAG, "Extracting app " + curr + " of " + total + ": " + pkg.packageName); 6849 } 6850 6851 if (!isFirstBoot()) { 6852 try { 6853 ActivityManagerNative.getDefault().showBootMessage( 6854 mContext.getResources().getString(R.string.android_upgrading_apk, 6855 curr, total), true); 6856 } catch (RemoteException e) { 6857 } 6858 } 6859 6860 if (PackageDexOptimizer.canOptimizePackage(pkg)) { 6861 performDexOpt(pkg.packageName, null /* instructionSet */, 6862 false /* useProfiles */, true /* extractOnly */, false /* force */); 6863 } 6864 } 6865 } 6866 6867 @Override 6868 public void notifyPackageUse(String packageName) { 6869 synchronized (mPackages) { 6870 PackageParser.Package p = mPackages.get(packageName); 6871 if (p == null) { 6872 return; 6873 } 6874 p.mLastPackageUsageTimeInMills = System.currentTimeMillis(); 6875 } 6876 } 6877 6878 // TODO: this is not used nor needed. Delete it. 6879 @Override 6880 public boolean performDexOptIfNeeded(String packageName, String instructionSet) { 6881 return performDexOptTraced(packageName, instructionSet, false /* useProfiles */, 6882 false /* extractOnly */, false /* force */); 6883 } 6884 6885 @Override 6886 public boolean performDexOpt(String packageName, String instructionSet, boolean useProfiles, 6887 boolean extractOnly, boolean force) { 6888 return performDexOptTraced(packageName, instructionSet, useProfiles, extractOnly, force); 6889 } 6890 6891 private boolean performDexOptTraced(String packageName, String instructionSet, 6892 boolean useProfiles, boolean extractOnly, boolean force) { 6893 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 6894 try { 6895 return performDexOptInternal(packageName, instructionSet, useProfiles, extractOnly, 6896 force); 6897 } finally { 6898 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6899 } 6900 } 6901 6902 private boolean performDexOptInternal(String packageName, String instructionSet, 6903 boolean useProfiles, boolean extractOnly, boolean force) { 6904 PackageParser.Package p; 6905 final String targetInstructionSet; 6906 synchronized (mPackages) { 6907 p = mPackages.get(packageName); 6908 if (p == null) { 6909 return false; 6910 } 6911 mPackageUsage.write(false); 6912 6913 targetInstructionSet = instructionSet != null ? instructionSet : 6914 getPrimaryInstructionSet(p.applicationInfo); 6915 if (!force && !useProfiles && p.mDexOptPerformed.contains(targetInstructionSet)) { 6916 // Skip only if we do not use profiles since they might trigger a recompilation. 6917 return false; 6918 } 6919 } 6920 long callingId = Binder.clearCallingIdentity(); 6921 try { 6922 synchronized (mInstallLock) { 6923 final String[] instructionSets = new String[] { targetInstructionSet }; 6924 int result = performDexOptInternalWithDependenciesLI(p, instructionSets, 6925 useProfiles, extractOnly, force); 6926 return result == PackageDexOptimizer.DEX_OPT_PERFORMED; 6927 } 6928 } finally { 6929 Binder.restoreCallingIdentity(callingId); 6930 } 6931 } 6932 6933 public ArraySet<String> getOptimizablePackages() { 6934 ArraySet<String> pkgs = new ArraySet<String>(); 6935 synchronized (mPackages) { 6936 for (PackageParser.Package p : mPackages.values()) { 6937 if (PackageDexOptimizer.canOptimizePackage(p)) { 6938 pkgs.add(p.packageName); 6939 } 6940 } 6941 } 6942 return pkgs; 6943 } 6944 6945 private int performDexOptInternalWithDependenciesLI(PackageParser.Package p, 6946 String instructionSets[], boolean useProfiles, boolean extractOnly, boolean force) { 6947 // Select the dex optimizer based on the force parameter. 6948 // Note: The force option is rarely used (cmdline input for testing, mostly), so it's OK to 6949 // allocate an object here. 6950 PackageDexOptimizer pdo = force 6951 ? new PackageDexOptimizer.ForcedUpdatePackageDexOptimizer(mPackageDexOptimizer) 6952 : mPackageDexOptimizer; 6953 6954 // Optimize all dependencies first. Note: we ignore the return value and march on 6955 // on errors. 6956 Collection<PackageParser.Package> deps = findSharedNonSystemLibraries(p); 6957 if (!deps.isEmpty()) { 6958 for (PackageParser.Package depPackage : deps) { 6959 // TODO: Analyze and investigate if we (should) profile libraries. 6960 // Currently this will do a full compilation of the library. 6961 pdo.performDexOpt(depPackage, instructionSets, false /* useProfiles */, 6962 false /* extractOnly */); 6963 } 6964 } 6965 6966 return pdo.performDexOpt(p, instructionSets, useProfiles, extractOnly); 6967 } 6968 6969 Collection<PackageParser.Package> findSharedNonSystemLibraries(PackageParser.Package p) { 6970 if (p.usesLibraries != null || p.usesOptionalLibraries != null) { 6971 ArrayList<PackageParser.Package> retValue = new ArrayList<>(); 6972 Set<String> collectedNames = new HashSet<>(); 6973 findSharedNonSystemLibrariesRecursive(p, retValue, collectedNames); 6974 6975 retValue.remove(p); 6976 6977 return retValue; 6978 } else { 6979 return Collections.emptyList(); 6980 } 6981 } 6982 6983 private void findSharedNonSystemLibrariesRecursive(PackageParser.Package p, 6984 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 6985 if (!collectedNames.contains(p.packageName)) { 6986 collectedNames.add(p.packageName); 6987 collected.add(p); 6988 6989 if (p.usesLibraries != null) { 6990 findSharedNonSystemLibrariesRecursive(p.usesLibraries, collected, collectedNames); 6991 } 6992 if (p.usesOptionalLibraries != null) { 6993 findSharedNonSystemLibrariesRecursive(p.usesOptionalLibraries, collected, 6994 collectedNames); 6995 } 6996 } 6997 } 6998 6999 private void findSharedNonSystemLibrariesRecursive(Collection<String> libs, 7000 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 7001 for (String libName : libs) { 7002 PackageParser.Package libPkg = findSharedNonSystemLibrary(libName); 7003 if (libPkg != null) { 7004 findSharedNonSystemLibrariesRecursive(libPkg, collected, collectedNames); 7005 } 7006 } 7007 } 7008 7009 private PackageParser.Package findSharedNonSystemLibrary(String libName) { 7010 synchronized (mPackages) { 7011 PackageManagerService.SharedLibraryEntry lib = mSharedLibraries.get(libName); 7012 if (lib != null && lib.apk != null) { 7013 return mPackages.get(lib.apk); 7014 } 7015 } 7016 return null; 7017 } 7018 7019 public void shutdown() { 7020 mPackageUsage.write(true); 7021 } 7022 7023 @Override 7024 public void forceDexOpt(String packageName) { 7025 enforceSystemOrRoot("forceDexOpt"); 7026 7027 PackageParser.Package pkg; 7028 synchronized (mPackages) { 7029 pkg = mPackages.get(packageName); 7030 if (pkg == null) { 7031 throw new IllegalArgumentException("Unknown package: " + packageName); 7032 } 7033 } 7034 7035 synchronized (mInstallLock) { 7036 final String[] instructionSets = new String[] { 7037 getPrimaryInstructionSet(pkg.applicationInfo) }; 7038 7039 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 7040 7041 // Whoever is calling forceDexOpt wants a fully compiled package. 7042 // Don't use profiles since that may cause compilation to be skipped. 7043 final int res = performDexOptInternalWithDependenciesLI(pkg, instructionSets, 7044 false /* useProfiles */, false /* extractOnly */, true /* force */); 7045 7046 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7047 if (res != PackageDexOptimizer.DEX_OPT_PERFORMED) { 7048 throw new IllegalStateException("Failed to dexopt: " + res); 7049 } 7050 } 7051 } 7052 7053 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 7054 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 7055 Slog.w(TAG, "Unable to update from " + oldPkg.name 7056 + " to " + newPkg.packageName 7057 + ": old package not in system partition"); 7058 return false; 7059 } else if (mPackages.get(oldPkg.name) != null) { 7060 Slog.w(TAG, "Unable to update from " + oldPkg.name 7061 + " to " + newPkg.packageName 7062 + ": old package still exists"); 7063 return false; 7064 } 7065 return true; 7066 } 7067 7068 private boolean removeDataDirsLI(String volumeUuid, String packageName) { 7069 // TODO: triage flags as part of 26466827 7070 final int flags = StorageManager.FLAG_STORAGE_CE | StorageManager.FLAG_STORAGE_DE; 7071 7072 boolean res = true; 7073 final int[] users = sUserManager.getUserIds(); 7074 for (int user : users) { 7075 try { 7076 mInstaller.destroyAppData(volumeUuid, packageName, user, flags); 7077 } catch (InstallerException e) { 7078 Slog.w(TAG, "Failed to delete data directory", e); 7079 res = false; 7080 } 7081 } 7082 return res; 7083 } 7084 7085 void removeCodePathLI(File codePath) { 7086 if (codePath.isDirectory()) { 7087 try { 7088 mInstaller.rmPackageDir(codePath.getAbsolutePath()); 7089 } catch (InstallerException e) { 7090 Slog.w(TAG, "Failed to remove code path", e); 7091 } 7092 } else { 7093 codePath.delete(); 7094 } 7095 } 7096 7097 void destroyAppDataLI(String volumeUuid, String packageName, int userId, int flags) { 7098 try { 7099 mInstaller.destroyAppData(volumeUuid, packageName, userId, flags); 7100 } catch (InstallerException e) { 7101 Slog.w(TAG, "Failed to destroy app data", e); 7102 } 7103 } 7104 7105 void restoreconAppDataLI(String volumeUuid, String packageName, int userId, int flags, 7106 int appId, String seinfo) { 7107 try { 7108 mInstaller.restoreconAppData(volumeUuid, packageName, userId, flags, appId, seinfo); 7109 } catch (InstallerException e) { 7110 Slog.e(TAG, "Failed to restorecon for " + packageName + ": " + e); 7111 } 7112 } 7113 7114 private void deleteCodeCacheDirsLI(String volumeUuid, String packageName) { 7115 final PackageParser.Package pkg; 7116 synchronized (mPackages) { 7117 pkg = mPackages.get(packageName); 7118 } 7119 if (pkg == null) { 7120 Slog.w(TAG, "Failed to delete code cache directory. No package: " + packageName); 7121 return; 7122 } 7123 deleteCodeCacheDirsLI(pkg); 7124 } 7125 7126 private void deleteCodeCacheDirsLI(PackageParser.Package pkg) { 7127 // TODO: triage flags as part of 26466827 7128 final int flags = StorageManager.FLAG_STORAGE_CE | StorageManager.FLAG_STORAGE_DE; 7129 7130 int[] users = sUserManager.getUserIds(); 7131 int res = 0; 7132 for (int user : users) { 7133 // Remove the parent code cache 7134 try { 7135 mInstaller.clearAppData(pkg.volumeUuid, pkg.packageName, user, 7136 flags | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 7137 } catch (InstallerException e) { 7138 Slog.w(TAG, "Failed to delete code cache directory", e); 7139 } 7140 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7141 for (int i = 0; i < childCount; i++) { 7142 PackageParser.Package childPkg = pkg.childPackages.get(i); 7143 // Remove the child code cache 7144 try { 7145 mInstaller.clearAppData(childPkg.volumeUuid, childPkg.packageName, 7146 user, flags | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 7147 } catch (InstallerException e) { 7148 Slog.w(TAG, "Failed to delete code cache directory", e); 7149 } 7150 } 7151 } 7152 } 7153 7154 private void setInstallAndUpdateTime(PackageParser.Package pkg, long firstInstallTime, 7155 long lastUpdateTime) { 7156 // Set parent install/update time 7157 PackageSetting ps = (PackageSetting) pkg.mExtras; 7158 if (ps != null) { 7159 ps.firstInstallTime = firstInstallTime; 7160 ps.lastUpdateTime = lastUpdateTime; 7161 } 7162 // Set children install/update time 7163 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7164 for (int i = 0; i < childCount; i++) { 7165 PackageParser.Package childPkg = pkg.childPackages.get(i); 7166 ps = (PackageSetting) childPkg.mExtras; 7167 if (ps != null) { 7168 ps.firstInstallTime = firstInstallTime; 7169 ps.lastUpdateTime = lastUpdateTime; 7170 } 7171 } 7172 } 7173 7174 private void addSharedLibraryLPw(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 7175 PackageParser.Package changingLib) { 7176 if (file.path != null) { 7177 usesLibraryFiles.add(file.path); 7178 return; 7179 } 7180 PackageParser.Package p = mPackages.get(file.apk); 7181 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 7182 // If we are doing this while in the middle of updating a library apk, 7183 // then we need to make sure to use that new apk for determining the 7184 // dependencies here. (We haven't yet finished committing the new apk 7185 // to the package manager state.) 7186 if (p == null || p.packageName.equals(changingLib.packageName)) { 7187 p = changingLib; 7188 } 7189 } 7190 if (p != null) { 7191 usesLibraryFiles.addAll(p.getAllCodePaths()); 7192 } 7193 } 7194 7195 private void updateSharedLibrariesLPw(PackageParser.Package pkg, 7196 PackageParser.Package changingLib) throws PackageManagerException { 7197 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 7198 final ArraySet<String> usesLibraryFiles = new ArraySet<>(); 7199 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 7200 for (int i=0; i<N; i++) { 7201 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 7202 if (file == null) { 7203 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 7204 "Package " + pkg.packageName + " requires unavailable shared library " 7205 + pkg.usesLibraries.get(i) + "; failing!"); 7206 } 7207 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 7208 } 7209 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 7210 for (int i=0; i<N; i++) { 7211 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 7212 if (file == null) { 7213 Slog.w(TAG, "Package " + pkg.packageName 7214 + " desires unavailable shared library " 7215 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 7216 } else { 7217 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 7218 } 7219 } 7220 N = usesLibraryFiles.size(); 7221 if (N > 0) { 7222 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]); 7223 } else { 7224 pkg.usesLibraryFiles = null; 7225 } 7226 } 7227 } 7228 7229 private static boolean hasString(List<String> list, List<String> which) { 7230 if (list == null) { 7231 return false; 7232 } 7233 for (int i=list.size()-1; i>=0; i--) { 7234 for (int j=which.size()-1; j>=0; j--) { 7235 if (which.get(j).equals(list.get(i))) { 7236 return true; 7237 } 7238 } 7239 } 7240 return false; 7241 } 7242 7243 private void updateAllSharedLibrariesLPw() { 7244 for (PackageParser.Package pkg : mPackages.values()) { 7245 try { 7246 updateSharedLibrariesLPw(pkg, null); 7247 } catch (PackageManagerException e) { 7248 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 7249 } 7250 } 7251 } 7252 7253 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 7254 PackageParser.Package changingPkg) { 7255 ArrayList<PackageParser.Package> res = null; 7256 for (PackageParser.Package pkg : mPackages.values()) { 7257 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 7258 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 7259 if (res == null) { 7260 res = new ArrayList<PackageParser.Package>(); 7261 } 7262 res.add(pkg); 7263 try { 7264 updateSharedLibrariesLPw(pkg, changingPkg); 7265 } catch (PackageManagerException e) { 7266 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 7267 } 7268 } 7269 } 7270 return res; 7271 } 7272 7273 /** 7274 * Derive the value of the {@code cpuAbiOverride} based on the provided 7275 * value and an optional stored value from the package settings. 7276 */ 7277 private static String deriveAbiOverride(String abiOverride, PackageSetting settings) { 7278 String cpuAbiOverride = null; 7279 7280 if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) { 7281 cpuAbiOverride = null; 7282 } else if (abiOverride != null) { 7283 cpuAbiOverride = abiOverride; 7284 } else if (settings != null) { 7285 cpuAbiOverride = settings.cpuAbiOverrideString; 7286 } 7287 7288 return cpuAbiOverride; 7289 } 7290 7291 private PackageParser.Package scanPackageTracedLI(PackageParser.Package pkg, int parseFlags, 7292 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 7293 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 7294 // If the package has children and this is the first dive in the function 7295 // we recursively scan the package with the SCAN_CHECK_ONLY flag set to see 7296 // whether all packages (parent and children) would be successfully scanned 7297 // before the actual scan since scanning mutates internal state and we want 7298 // to atomically install the package and its children. 7299 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7300 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 7301 scanFlags |= SCAN_CHECK_ONLY; 7302 } 7303 } else { 7304 scanFlags &= ~SCAN_CHECK_ONLY; 7305 } 7306 7307 final PackageParser.Package scannedPkg; 7308 try { 7309 // Scan the parent 7310 scannedPkg = scanPackageLI(pkg, parseFlags, scanFlags, currentTime, user); 7311 // Scan the children 7312 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7313 for (int i = 0; i < childCount; i++) { 7314 PackageParser.Package childPkg = pkg.childPackages.get(i); 7315 scanPackageLI(childPkg, parseFlags, 7316 scanFlags, currentTime, user); 7317 } 7318 } finally { 7319 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7320 } 7321 7322 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 7323 return scanPackageTracedLI(pkg, parseFlags, scanFlags, currentTime, user); 7324 } 7325 7326 return scannedPkg; 7327 } 7328 7329 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, int parseFlags, 7330 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 7331 boolean success = false; 7332 try { 7333 final PackageParser.Package res = scanPackageDirtyLI(pkg, parseFlags, scanFlags, 7334 currentTime, user); 7335 success = true; 7336 return res; 7337 } finally { 7338 if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 7339 removeDataDirsLI(pkg.volumeUuid, pkg.packageName); 7340 } 7341 } 7342 } 7343 7344 private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, int parseFlags, 7345 int scanFlags, long currentTime, UserHandle user) 7346 throws PackageManagerException { 7347 final File scanFile = new File(pkg.codePath); 7348 if (pkg.applicationInfo.getCodePath() == null || 7349 pkg.applicationInfo.getResourcePath() == null) { 7350 // Bail out. The resource and code paths haven't been set. 7351 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 7352 "Code and resource paths haven't been set correctly"); 7353 } 7354 7355 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 7356 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 7357 } else { 7358 // Only allow system apps to be flagged as core apps. 7359 pkg.coreApp = false; 7360 } 7361 7362 if ((parseFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 7363 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 7364 } 7365 7366 if (mCustomResolverComponentName != null && 7367 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 7368 setUpCustomResolverActivity(pkg); 7369 } 7370 7371 if (pkg.packageName.equals("android")) { 7372 synchronized (mPackages) { 7373 if (mAndroidApplication != null) { 7374 Slog.w(TAG, "*************************************************"); 7375 Slog.w(TAG, "Core android package being redefined. Skipping."); 7376 Slog.w(TAG, " file=" + scanFile); 7377 Slog.w(TAG, "*************************************************"); 7378 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 7379 "Core android package being redefined. Skipping."); 7380 } 7381 7382 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7383 // Set up information for our fall-back user intent resolution activity. 7384 mPlatformPackage = pkg; 7385 pkg.mVersionCode = mSdkVersion; 7386 mAndroidApplication = pkg.applicationInfo; 7387 7388 if (!mResolverReplaced) { 7389 mResolveActivity.applicationInfo = mAndroidApplication; 7390 mResolveActivity.name = ResolverActivity.class.getName(); 7391 mResolveActivity.packageName = mAndroidApplication.packageName; 7392 mResolveActivity.processName = "system:ui"; 7393 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 7394 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 7395 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 7396 mResolveActivity.theme = R.style.Theme_Holo_Dialog_Alert; 7397 mResolveActivity.exported = true; 7398 mResolveActivity.enabled = true; 7399 mResolveInfo.activityInfo = mResolveActivity; 7400 mResolveInfo.priority = 0; 7401 mResolveInfo.preferredOrder = 0; 7402 mResolveInfo.match = 0; 7403 mResolveComponentName = new ComponentName( 7404 mAndroidApplication.packageName, mResolveActivity.name); 7405 } 7406 } 7407 } 7408 } 7409 7410 if (DEBUG_PACKAGE_SCANNING) { 7411 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 7412 Log.d(TAG, "Scanning package " + pkg.packageName); 7413 } 7414 7415 synchronized (mPackages) { 7416 if (mPackages.containsKey(pkg.packageName) 7417 || mSharedLibraries.containsKey(pkg.packageName)) { 7418 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 7419 "Application package " + pkg.packageName 7420 + " already installed. Skipping duplicate."); 7421 } 7422 7423 // If we're only installing presumed-existing packages, require that the 7424 // scanned APK is both already known and at the path previously established 7425 // for it. Previously unknown packages we pick up normally, but if we have an 7426 // a priori expectation about this package's install presence, enforce it. 7427 // With a singular exception for new system packages. When an OTA contains 7428 // a new system package, we allow the codepath to change from a system location 7429 // to the user-installed location. If we don't allow this change, any newer, 7430 // user-installed version of the application will be ignored. 7431 if ((scanFlags & SCAN_REQUIRE_KNOWN) != 0) { 7432 if (mExpectingBetter.containsKey(pkg.packageName)) { 7433 logCriticalInfo(Log.WARN, 7434 "Relax SCAN_REQUIRE_KNOWN requirement for package " + pkg.packageName); 7435 } else { 7436 PackageSetting known = mSettings.peekPackageLPr(pkg.packageName); 7437 if (known != null) { 7438 if (DEBUG_PACKAGE_SCANNING) { 7439 Log.d(TAG, "Examining " + pkg.codePath 7440 + " and requiring known paths " + known.codePathString 7441 + " & " + known.resourcePathString); 7442 } 7443 if (!pkg.applicationInfo.getCodePath().equals(known.codePathString) 7444 || !pkg.applicationInfo.getResourcePath().equals( 7445 known.resourcePathString)) { 7446 throw new PackageManagerException(INSTALL_FAILED_PACKAGE_CHANGED, 7447 "Application package " + pkg.packageName 7448 + " found at " + pkg.applicationInfo.getCodePath() 7449 + " but expected at " + known.codePathString 7450 + "; ignoring."); 7451 } 7452 } 7453 } 7454 } 7455 } 7456 7457 // Initialize package source and resource directories 7458 File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 7459 File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 7460 7461 SharedUserSetting suid = null; 7462 PackageSetting pkgSetting = null; 7463 7464 if (!isSystemApp(pkg)) { 7465 // Only system apps can use these features. 7466 pkg.mOriginalPackages = null; 7467 pkg.mRealPackage = null; 7468 pkg.mAdoptPermissions = null; 7469 } 7470 7471 // Getting the package setting may have a side-effect, so if we 7472 // are only checking if scan would succeed, stash a copy of the 7473 // old setting to restore at the end. 7474 PackageSetting nonMutatedPs = null; 7475 7476 // writer 7477 synchronized (mPackages) { 7478 if (pkg.mSharedUserId != null) { 7479 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, 0, true); 7480 if (suid == null) { 7481 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 7482 "Creating application package " + pkg.packageName 7483 + " for shared user failed"); 7484 } 7485 if (DEBUG_PACKAGE_SCANNING) { 7486 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 7487 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 7488 + "): packages=" + suid.packages); 7489 } 7490 } 7491 7492 // Check if we are renaming from an original package name. 7493 PackageSetting origPackage = null; 7494 String realName = null; 7495 if (pkg.mOriginalPackages != null) { 7496 // This package may need to be renamed to a previously 7497 // installed name. Let's check on that... 7498 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 7499 if (pkg.mOriginalPackages.contains(renamed)) { 7500 // This package had originally been installed as the 7501 // original name, and we have already taken care of 7502 // transitioning to the new one. Just update the new 7503 // one to continue using the old name. 7504 realName = pkg.mRealPackage; 7505 if (!pkg.packageName.equals(renamed)) { 7506 // Callers into this function may have already taken 7507 // care of renaming the package; only do it here if 7508 // it is not already done. 7509 pkg.setPackageName(renamed); 7510 } 7511 7512 } else { 7513 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 7514 if ((origPackage = mSettings.peekPackageLPr( 7515 pkg.mOriginalPackages.get(i))) != null) { 7516 // We do have the package already installed under its 7517 // original name... should we use it? 7518 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 7519 // New package is not compatible with original. 7520 origPackage = null; 7521 continue; 7522 } else if (origPackage.sharedUser != null) { 7523 // Make sure uid is compatible between packages. 7524 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 7525 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 7526 + " to " + pkg.packageName + ": old uid " 7527 + origPackage.sharedUser.name 7528 + " differs from " + pkg.mSharedUserId); 7529 origPackage = null; 7530 continue; 7531 } 7532 } else { 7533 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 7534 + pkg.packageName + " to old name " + origPackage.name); 7535 } 7536 break; 7537 } 7538 } 7539 } 7540 } 7541 7542 if (mTransferedPackages.contains(pkg.packageName)) { 7543 Slog.w(TAG, "Package " + pkg.packageName 7544 + " was transferred to another, but its .apk remains"); 7545 } 7546 7547 // See comments in nonMutatedPs declaration 7548 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 7549 PackageSetting foundPs = mSettings.peekPackageLPr(pkg.packageName); 7550 if (foundPs != null) { 7551 nonMutatedPs = new PackageSetting(foundPs); 7552 } 7553 } 7554 7555 // Just create the setting, don't add it yet. For already existing packages 7556 // the PkgSetting exists already and doesn't have to be created. 7557 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 7558 destResourceFile, pkg.applicationInfo.nativeLibraryRootDir, 7559 pkg.applicationInfo.primaryCpuAbi, 7560 pkg.applicationInfo.secondaryCpuAbi, 7561 pkg.applicationInfo.flags, pkg.applicationInfo.privateFlags, 7562 user, false); 7563 if (pkgSetting == null) { 7564 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 7565 "Creating application package " + pkg.packageName + " failed"); 7566 } 7567 7568 if (pkgSetting.origPackage != null) { 7569 // If we are first transitioning from an original package, 7570 // fix up the new package's name now. We need to do this after 7571 // looking up the package under its new name, so getPackageLP 7572 // can take care of fiddling things correctly. 7573 pkg.setPackageName(origPackage.name); 7574 7575 // File a report about this. 7576 String msg = "New package " + pkgSetting.realName 7577 + " renamed to replace old package " + pkgSetting.name; 7578 reportSettingsProblem(Log.WARN, msg); 7579 7580 // Make a note of it. 7581 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7582 mTransferedPackages.add(origPackage.name); 7583 } 7584 7585 // No longer need to retain this. 7586 pkgSetting.origPackage = null; 7587 } 7588 7589 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && realName != null) { 7590 // Make a note of it. 7591 mTransferedPackages.add(pkg.packageName); 7592 } 7593 7594 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 7595 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 7596 } 7597 7598 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 7599 // Check all shared libraries and map to their actual file path. 7600 // We only do this here for apps not on a system dir, because those 7601 // are the only ones that can fail an install due to this. We 7602 // will take care of the system apps by updating all of their 7603 // library paths after the scan is done. 7604 updateSharedLibrariesLPw(pkg, null); 7605 } 7606 7607 if (mFoundPolicyFile) { 7608 SELinuxMMAC.assignSeinfoValue(pkg); 7609 } 7610 7611 pkg.applicationInfo.uid = pkgSetting.appId; 7612 pkg.mExtras = pkgSetting; 7613 if (shouldCheckUpgradeKeySetLP(pkgSetting, scanFlags)) { 7614 if (checkUpgradeKeySetLP(pkgSetting, pkg)) { 7615 // We just determined the app is signed correctly, so bring 7616 // over the latest parsed certs. 7617 pkgSetting.signatures.mSignatures = pkg.mSignatures; 7618 } else { 7619 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 7620 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 7621 "Package " + pkg.packageName + " upgrade keys do not match the " 7622 + "previously installed version"); 7623 } else { 7624 pkgSetting.signatures.mSignatures = pkg.mSignatures; 7625 String msg = "System package " + pkg.packageName 7626 + " signature changed; retaining data."; 7627 reportSettingsProblem(Log.WARN, msg); 7628 } 7629 } 7630 } else { 7631 try { 7632 verifySignaturesLP(pkgSetting, pkg); 7633 // We just determined the app is signed correctly, so bring 7634 // over the latest parsed certs. 7635 pkgSetting.signatures.mSignatures = pkg.mSignatures; 7636 } catch (PackageManagerException e) { 7637 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 7638 throw e; 7639 } 7640 // The signature has changed, but this package is in the system 7641 // image... let's recover! 7642 pkgSetting.signatures.mSignatures = pkg.mSignatures; 7643 // However... if this package is part of a shared user, but it 7644 // doesn't match the signature of the shared user, let's fail. 7645 // What this means is that you can't change the signatures 7646 // associated with an overall shared user, which doesn't seem all 7647 // that unreasonable. 7648 if (pkgSetting.sharedUser != null) { 7649 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 7650 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 7651 throw new PackageManagerException( 7652 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 7653 "Signature mismatch for shared user: " 7654 + pkgSetting.sharedUser); 7655 } 7656 } 7657 // File a report about this. 7658 String msg = "System package " + pkg.packageName 7659 + " signature changed; retaining data."; 7660 reportSettingsProblem(Log.WARN, msg); 7661 } 7662 } 7663 // Verify that this new package doesn't have any content providers 7664 // that conflict with existing packages. Only do this if the 7665 // package isn't already installed, since we don't want to break 7666 // things that are installed. 7667 if ((scanFlags & SCAN_NEW_INSTALL) != 0) { 7668 final int N = pkg.providers.size(); 7669 int i; 7670 for (i=0; i<N; i++) { 7671 PackageParser.Provider p = pkg.providers.get(i); 7672 if (p.info.authority != null) { 7673 String names[] = p.info.authority.split(";"); 7674 for (int j = 0; j < names.length; j++) { 7675 if (mProvidersByAuthority.containsKey(names[j])) { 7676 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 7677 final String otherPackageName = 7678 ((other != null && other.getComponentName() != null) ? 7679 other.getComponentName().getPackageName() : "?"); 7680 throw new PackageManagerException( 7681 INSTALL_FAILED_CONFLICTING_PROVIDER, 7682 "Can't install because provider name " + names[j] 7683 + " (in package " + pkg.applicationInfo.packageName 7684 + ") is already used by " + otherPackageName); 7685 } 7686 } 7687 } 7688 } 7689 } 7690 7691 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && pkg.mAdoptPermissions != null) { 7692 // This package wants to adopt ownership of permissions from 7693 // another package. 7694 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 7695 final String origName = pkg.mAdoptPermissions.get(i); 7696 final PackageSetting orig = mSettings.peekPackageLPr(origName); 7697 if (orig != null) { 7698 if (verifyPackageUpdateLPr(orig, pkg)) { 7699 Slog.i(TAG, "Adopting permissions from " + origName + " to " 7700 + pkg.packageName); 7701 mSettings.transferPermissionsLPw(origName, pkg.packageName); 7702 } 7703 } 7704 } 7705 } 7706 } 7707 7708 final String pkgName = pkg.packageName; 7709 7710 final long scanFileTime = scanFile.lastModified(); 7711 final boolean forceDex = (scanFlags & SCAN_FORCE_DEX) != 0; 7712 pkg.applicationInfo.processName = fixProcessName( 7713 pkg.applicationInfo.packageName, 7714 pkg.applicationInfo.processName, 7715 pkg.applicationInfo.uid); 7716 7717 if (pkg != mPlatformPackage) { 7718 // Get all of our default paths setup 7719 pkg.applicationInfo.initForUser(UserHandle.USER_SYSTEM); 7720 } 7721 7722 final String path = scanFile.getPath(); 7723 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 7724 7725 if ((scanFlags & SCAN_NEW_INSTALL) == 0) { 7726 derivePackageAbi(pkg, scanFile, cpuAbiOverride, true /* extract libs */); 7727 7728 // Some system apps still use directory structure for native libraries 7729 // in which case we might end up not detecting abi solely based on apk 7730 // structure. Try to detect abi based on directory structure. 7731 if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp() && 7732 pkg.applicationInfo.primaryCpuAbi == null) { 7733 setBundledAppAbisAndRoots(pkg, pkgSetting); 7734 setNativeLibraryPaths(pkg); 7735 } 7736 7737 } else { 7738 if ((scanFlags & SCAN_MOVE) != 0) { 7739 // We haven't run dex-opt for this move (since we've moved the compiled output too) 7740 // but we already have this packages package info in the PackageSetting. We just 7741 // use that and derive the native library path based on the new codepath. 7742 pkg.applicationInfo.primaryCpuAbi = pkgSetting.primaryCpuAbiString; 7743 pkg.applicationInfo.secondaryCpuAbi = pkgSetting.secondaryCpuAbiString; 7744 } 7745 7746 // Set native library paths again. For moves, the path will be updated based on the 7747 // ABIs we've determined above. For non-moves, the path will be updated based on the 7748 // ABIs we determined during compilation, but the path will depend on the final 7749 // package path (after the rename away from the stage path). 7750 setNativeLibraryPaths(pkg); 7751 } 7752 7753 // This is a special case for the "system" package, where the ABI is 7754 // dictated by the zygote configuration (and init.rc). We should keep track 7755 // of this ABI so that we can deal with "normal" applications that run under 7756 // the same UID correctly. 7757 if (mPlatformPackage == pkg) { 7758 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 7759 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 7760 } 7761 7762 // If there's a mismatch between the abi-override in the package setting 7763 // and the abiOverride specified for the install. Warn about this because we 7764 // would've already compiled the app without taking the package setting into 7765 // account. 7766 if ((scanFlags & SCAN_NO_DEX) == 0 && (scanFlags & SCAN_NEW_INSTALL) != 0) { 7767 if (cpuAbiOverride == null && pkgSetting.cpuAbiOverrideString != null) { 7768 Slog.w(TAG, "Ignoring persisted ABI override " + cpuAbiOverride + 7769 " for package " + pkg.packageName); 7770 } 7771 } 7772 7773 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 7774 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 7775 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 7776 7777 // Copy the derived override back to the parsed package, so that we can 7778 // update the package settings accordingly. 7779 pkg.cpuAbiOverride = cpuAbiOverride; 7780 7781 if (DEBUG_ABI_SELECTION) { 7782 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 7783 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 7784 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 7785 } 7786 7787 // Push the derived path down into PackageSettings so we know what to 7788 // clean up at uninstall time. 7789 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 7790 7791 if (DEBUG_ABI_SELECTION) { 7792 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 7793 " primary=" + pkg.applicationInfo.primaryCpuAbi + 7794 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 7795 } 7796 7797 if ((scanFlags & SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 7798 // We don't do this here during boot because we can do it all 7799 // at once after scanning all existing packages. 7800 // 7801 // We also do this *before* we perform dexopt on this package, so that 7802 // we can avoid redundant dexopts, and also to make sure we've got the 7803 // code and package path correct. 7804 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 7805 pkg, true /* boot complete */); 7806 } 7807 7808 if (mFactoryTest && pkg.requestedPermissions.contains( 7809 android.Manifest.permission.FACTORY_TEST)) { 7810 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 7811 } 7812 7813 ArrayList<PackageParser.Package> clientLibPkgs = null; 7814 7815 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 7816 if (nonMutatedPs != null) { 7817 synchronized (mPackages) { 7818 mSettings.mPackages.put(nonMutatedPs.name, nonMutatedPs); 7819 } 7820 } 7821 return pkg; 7822 } 7823 7824 // Only privileged apps and updated privileged apps can add child packages. 7825 if (pkg.childPackages != null && !pkg.childPackages.isEmpty()) { 7826 if ((parseFlags & PARSE_IS_PRIVILEGED) == 0) { 7827 throw new PackageManagerException("Only privileged apps and updated " 7828 + "privileged apps can add child packages. Ignoring package " 7829 + pkg.packageName); 7830 } 7831 final int childCount = pkg.childPackages.size(); 7832 for (int i = 0; i < childCount; i++) { 7833 PackageParser.Package childPkg = pkg.childPackages.get(i); 7834 if (mSettings.hasOtherDisabledSystemPkgWithChildLPr(pkg.packageName, 7835 childPkg.packageName)) { 7836 throw new PackageManagerException("Cannot override a child package of " 7837 + "another disabled system app. Ignoring package " + pkg.packageName); 7838 } 7839 } 7840 } 7841 7842 // writer 7843 synchronized (mPackages) { 7844 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 7845 // Only system apps can add new shared libraries. 7846 if (pkg.libraryNames != null) { 7847 for (int i=0; i<pkg.libraryNames.size(); i++) { 7848 String name = pkg.libraryNames.get(i); 7849 boolean allowed = false; 7850 if (pkg.isUpdatedSystemApp()) { 7851 // New library entries can only be added through the 7852 // system image. This is important to get rid of a lot 7853 // of nasty edge cases: for example if we allowed a non- 7854 // system update of the app to add a library, then uninstalling 7855 // the update would make the library go away, and assumptions 7856 // we made such as through app install filtering would now 7857 // have allowed apps on the device which aren't compatible 7858 // with it. Better to just have the restriction here, be 7859 // conservative, and create many fewer cases that can negatively 7860 // impact the user experience. 7861 final PackageSetting sysPs = mSettings 7862 .getDisabledSystemPkgLPr(pkg.packageName); 7863 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 7864 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 7865 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 7866 allowed = true; 7867 break; 7868 } 7869 } 7870 } 7871 } else { 7872 allowed = true; 7873 } 7874 if (allowed) { 7875 if (!mSharedLibraries.containsKey(name)) { 7876 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 7877 } else if (!name.equals(pkg.packageName)) { 7878 Slog.w(TAG, "Package " + pkg.packageName + " library " 7879 + name + " already exists; skipping"); 7880 } 7881 } else { 7882 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 7883 + name + " that is not declared on system image; skipping"); 7884 } 7885 } 7886 if ((scanFlags & SCAN_BOOTING) == 0) { 7887 // If we are not booting, we need to update any applications 7888 // that are clients of our shared library. If we are booting, 7889 // this will all be done once the scan is complete. 7890 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 7891 } 7892 } 7893 } 7894 } 7895 7896 // Request the ActivityManager to kill the process(only for existing packages) 7897 // so that we do not end up in a confused state while the user is still using the older 7898 // version of the application while the new one gets installed. 7899 if ((scanFlags & SCAN_REPLACING) != 0) { 7900 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "killApplication"); 7901 7902 killApplication(pkg.applicationInfo.packageName, 7903 pkg.applicationInfo.uid, "replace pkg"); 7904 7905 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7906 } 7907 7908 // Also need to kill any apps that are dependent on the library. 7909 if (clientLibPkgs != null) { 7910 for (int i=0; i<clientLibPkgs.size(); i++) { 7911 PackageParser.Package clientPkg = clientLibPkgs.get(i); 7912 killApplication(clientPkg.applicationInfo.packageName, 7913 clientPkg.applicationInfo.uid, "update lib"); 7914 } 7915 } 7916 7917 // Make sure we're not adding any bogus keyset info 7918 KeySetManagerService ksms = mSettings.mKeySetManagerService; 7919 ksms.assertScannedPackageValid(pkg); 7920 7921 // writer 7922 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 7923 7924 boolean createIdmapFailed = false; 7925 synchronized (mPackages) { 7926 // We don't expect installation to fail beyond this point 7927 7928 // Add the new setting to mSettings 7929 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 7930 // Add the new setting to mPackages 7931 mPackages.put(pkg.applicationInfo.packageName, pkg); 7932 // Make sure we don't accidentally delete its data. 7933 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 7934 while (iter.hasNext()) { 7935 PackageCleanItem item = iter.next(); 7936 if (pkgName.equals(item.packageName)) { 7937 iter.remove(); 7938 } 7939 } 7940 7941 // Take care of first install / last update times. 7942 if (currentTime != 0) { 7943 if (pkgSetting.firstInstallTime == 0) { 7944 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 7945 } else if ((scanFlags&SCAN_UPDATE_TIME) != 0) { 7946 pkgSetting.lastUpdateTime = currentTime; 7947 } 7948 } else if (pkgSetting.firstInstallTime == 0) { 7949 // We need *something*. Take time time stamp of the file. 7950 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 7951 } else if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 7952 if (scanFileTime != pkgSetting.timeStamp) { 7953 // A package on the system image has changed; consider this 7954 // to be an update. 7955 pkgSetting.lastUpdateTime = scanFileTime; 7956 } 7957 } 7958 7959 // Add the package's KeySets to the global KeySetManagerService 7960 ksms.addScannedPackageLPw(pkg); 7961 7962 int N = pkg.providers.size(); 7963 StringBuilder r = null; 7964 int i; 7965 for (i=0; i<N; i++) { 7966 PackageParser.Provider p = pkg.providers.get(i); 7967 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 7968 p.info.processName, pkg.applicationInfo.uid); 7969 mProviders.addProvider(p); 7970 p.syncable = p.info.isSyncable; 7971 if (p.info.authority != null) { 7972 String names[] = p.info.authority.split(";"); 7973 p.info.authority = null; 7974 for (int j = 0; j < names.length; j++) { 7975 if (j == 1 && p.syncable) { 7976 // We only want the first authority for a provider to possibly be 7977 // syncable, so if we already added this provider using a different 7978 // authority clear the syncable flag. We copy the provider before 7979 // changing it because the mProviders object contains a reference 7980 // to a provider that we don't want to change. 7981 // Only do this for the second authority since the resulting provider 7982 // object can be the same for all future authorities for this provider. 7983 p = new PackageParser.Provider(p); 7984 p.syncable = false; 7985 } 7986 if (!mProvidersByAuthority.containsKey(names[j])) { 7987 mProvidersByAuthority.put(names[j], p); 7988 if (p.info.authority == null) { 7989 p.info.authority = names[j]; 7990 } else { 7991 p.info.authority = p.info.authority + ";" + names[j]; 7992 } 7993 if (DEBUG_PACKAGE_SCANNING) { 7994 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 7995 Log.d(TAG, "Registered content provider: " + names[j] 7996 + ", className = " + p.info.name + ", isSyncable = " 7997 + p.info.isSyncable); 7998 } 7999 } else { 8000 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 8001 Slog.w(TAG, "Skipping provider name " + names[j] + 8002 " (in package " + pkg.applicationInfo.packageName + 8003 "): name already used by " 8004 + ((other != null && other.getComponentName() != null) 8005 ? other.getComponentName().getPackageName() : "?")); 8006 } 8007 } 8008 } 8009 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8010 if (r == null) { 8011 r = new StringBuilder(256); 8012 } else { 8013 r.append(' '); 8014 } 8015 r.append(p.info.name); 8016 } 8017 } 8018 if (r != null) { 8019 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 8020 } 8021 8022 N = pkg.services.size(); 8023 r = null; 8024 for (i=0; i<N; i++) { 8025 PackageParser.Service s = pkg.services.get(i); 8026 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 8027 s.info.processName, pkg.applicationInfo.uid); 8028 mServices.addService(s); 8029 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8030 if (r == null) { 8031 r = new StringBuilder(256); 8032 } else { 8033 r.append(' '); 8034 } 8035 r.append(s.info.name); 8036 } 8037 } 8038 if (r != null) { 8039 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 8040 } 8041 8042 N = pkg.receivers.size(); 8043 r = null; 8044 for (i=0; i<N; i++) { 8045 PackageParser.Activity a = pkg.receivers.get(i); 8046 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 8047 a.info.processName, pkg.applicationInfo.uid); 8048 mReceivers.addActivity(a, "receiver"); 8049 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8050 if (r == null) { 8051 r = new StringBuilder(256); 8052 } else { 8053 r.append(' '); 8054 } 8055 r.append(a.info.name); 8056 } 8057 } 8058 if (r != null) { 8059 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 8060 } 8061 8062 N = pkg.activities.size(); 8063 r = null; 8064 for (i=0; i<N; i++) { 8065 PackageParser.Activity a = pkg.activities.get(i); 8066 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 8067 a.info.processName, pkg.applicationInfo.uid); 8068 mActivities.addActivity(a, "activity"); 8069 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8070 if (r == null) { 8071 r = new StringBuilder(256); 8072 } else { 8073 r.append(' '); 8074 } 8075 r.append(a.info.name); 8076 } 8077 } 8078 if (r != null) { 8079 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 8080 } 8081 8082 N = pkg.permissionGroups.size(); 8083 r = null; 8084 for (i=0; i<N; i++) { 8085 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 8086 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 8087 if (cur == null) { 8088 mPermissionGroups.put(pg.info.name, pg); 8089 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8090 if (r == null) { 8091 r = new StringBuilder(256); 8092 } else { 8093 r.append(' '); 8094 } 8095 r.append(pg.info.name); 8096 } 8097 } else { 8098 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 8099 + pg.info.packageName + " ignored: original from " 8100 + cur.info.packageName); 8101 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8102 if (r == null) { 8103 r = new StringBuilder(256); 8104 } else { 8105 r.append(' '); 8106 } 8107 r.append("DUP:"); 8108 r.append(pg.info.name); 8109 } 8110 } 8111 } 8112 if (r != null) { 8113 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 8114 } 8115 8116 N = pkg.permissions.size(); 8117 r = null; 8118 for (i=0; i<N; i++) { 8119 PackageParser.Permission p = pkg.permissions.get(i); 8120 8121 // Assume by default that we did not install this permission into the system. 8122 p.info.flags &= ~PermissionInfo.FLAG_INSTALLED; 8123 8124 // Now that permission groups have a special meaning, we ignore permission 8125 // groups for legacy apps to prevent unexpected behavior. In particular, 8126 // permissions for one app being granted to someone just becase they happen 8127 // to be in a group defined by another app (before this had no implications). 8128 if (pkg.applicationInfo.targetSdkVersion > Build.VERSION_CODES.LOLLIPOP_MR1) { 8129 p.group = mPermissionGroups.get(p.info.group); 8130 // Warn for a permission in an unknown group. 8131 if (p.info.group != null && p.group == null) { 8132 Slog.w(TAG, "Permission " + p.info.name + " from package " 8133 + p.info.packageName + " in an unknown group " + p.info.group); 8134 } 8135 } 8136 8137 ArrayMap<String, BasePermission> permissionMap = 8138 p.tree ? mSettings.mPermissionTrees 8139 : mSettings.mPermissions; 8140 BasePermission bp = permissionMap.get(p.info.name); 8141 8142 // Allow system apps to redefine non-system permissions 8143 if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) { 8144 final boolean currentOwnerIsSystem = (bp.perm != null 8145 && isSystemApp(bp.perm.owner)); 8146 if (isSystemApp(p.owner)) { 8147 if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) { 8148 // It's a built-in permission and no owner, take ownership now 8149 bp.packageSetting = pkgSetting; 8150 bp.perm = p; 8151 bp.uid = pkg.applicationInfo.uid; 8152 bp.sourcePackage = p.info.packageName; 8153 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 8154 } else if (!currentOwnerIsSystem) { 8155 String msg = "New decl " + p.owner + " of permission " 8156 + p.info.name + " is system; overriding " + bp.sourcePackage; 8157 reportSettingsProblem(Log.WARN, msg); 8158 bp = null; 8159 } 8160 } 8161 } 8162 8163 if (bp == null) { 8164 bp = new BasePermission(p.info.name, p.info.packageName, 8165 BasePermission.TYPE_NORMAL); 8166 permissionMap.put(p.info.name, bp); 8167 } 8168 8169 if (bp.perm == null) { 8170 if (bp.sourcePackage == null 8171 || bp.sourcePackage.equals(p.info.packageName)) { 8172 BasePermission tree = findPermissionTreeLP(p.info.name); 8173 if (tree == null 8174 || tree.sourcePackage.equals(p.info.packageName)) { 8175 bp.packageSetting = pkgSetting; 8176 bp.perm = p; 8177 bp.uid = pkg.applicationInfo.uid; 8178 bp.sourcePackage = p.info.packageName; 8179 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 8180 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8181 if (r == null) { 8182 r = new StringBuilder(256); 8183 } else { 8184 r.append(' '); 8185 } 8186 r.append(p.info.name); 8187 } 8188 } else { 8189 Slog.w(TAG, "Permission " + p.info.name + " from package " 8190 + p.info.packageName + " ignored: base tree " 8191 + tree.name + " is from package " 8192 + tree.sourcePackage); 8193 } 8194 } else { 8195 Slog.w(TAG, "Permission " + p.info.name + " from package " 8196 + p.info.packageName + " ignored: original from " 8197 + bp.sourcePackage); 8198 } 8199 } else if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8200 if (r == null) { 8201 r = new StringBuilder(256); 8202 } else { 8203 r.append(' '); 8204 } 8205 r.append("DUP:"); 8206 r.append(p.info.name); 8207 } 8208 if (bp.perm == p) { 8209 bp.protectionLevel = p.info.protectionLevel; 8210 } 8211 } 8212 8213 if (r != null) { 8214 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 8215 } 8216 8217 N = pkg.instrumentation.size(); 8218 r = null; 8219 for (i=0; i<N; i++) { 8220 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 8221 a.info.packageName = pkg.applicationInfo.packageName; 8222 a.info.sourceDir = pkg.applicationInfo.sourceDir; 8223 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 8224 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 8225 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 8226 a.info.dataDir = pkg.applicationInfo.dataDir; 8227 a.info.deviceEncryptedDataDir = pkg.applicationInfo.deviceEncryptedDataDir; 8228 a.info.credentialEncryptedDataDir = pkg.applicationInfo.credentialEncryptedDataDir; 8229 8230 // TODO: Update instrumentation.nativeLibraryDir as well ? Does it 8231 // need other information about the application, like the ABI and what not ? 8232 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 8233 mInstrumentation.put(a.getComponentName(), a); 8234 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8235 if (r == null) { 8236 r = new StringBuilder(256); 8237 } else { 8238 r.append(' '); 8239 } 8240 r.append(a.info.name); 8241 } 8242 } 8243 if (r != null) { 8244 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 8245 } 8246 8247 if (pkg.protectedBroadcasts != null) { 8248 N = pkg.protectedBroadcasts.size(); 8249 for (i=0; i<N; i++) { 8250 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 8251 } 8252 } 8253 8254 pkgSetting.setTimeStamp(scanFileTime); 8255 8256 // Create idmap files for pairs of (packages, overlay packages). 8257 // Note: "android", ie framework-res.apk, is handled by native layers. 8258 if (pkg.mOverlayTarget != null) { 8259 // This is an overlay package. 8260 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 8261 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 8262 mOverlays.put(pkg.mOverlayTarget, 8263 new ArrayMap<String, PackageParser.Package>()); 8264 } 8265 ArrayMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 8266 map.put(pkg.packageName, pkg); 8267 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 8268 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 8269 createIdmapFailed = true; 8270 } 8271 } 8272 } else if (mOverlays.containsKey(pkg.packageName) && 8273 !pkg.packageName.equals("android")) { 8274 // This is a regular package, with one or more known overlay packages. 8275 createIdmapsForPackageLI(pkg); 8276 } 8277 } 8278 8279 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8280 8281 if (createIdmapFailed) { 8282 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 8283 "scanPackageLI failed to createIdmap"); 8284 } 8285 return pkg; 8286 } 8287 8288 /** 8289 * Derive the ABI of a non-system package located at {@code scanFile}. This information 8290 * is derived purely on the basis of the contents of {@code scanFile} and 8291 * {@code cpuAbiOverride}. 8292 * 8293 * If {@code extractLibs} is true, native libraries are extracted from the app if required. 8294 */ 8295 private void derivePackageAbi(PackageParser.Package pkg, File scanFile, 8296 String cpuAbiOverride, boolean extractLibs) 8297 throws PackageManagerException { 8298 // TODO: We can probably be smarter about this stuff. For installed apps, 8299 // we can calculate this information at install time once and for all. For 8300 // system apps, we can probably assume that this information doesn't change 8301 // after the first boot scan. As things stand, we do lots of unnecessary work. 8302 8303 // Give ourselves some initial paths; we'll come back for another 8304 // pass once we've determined ABI below. 8305 setNativeLibraryPaths(pkg); 8306 8307 // We would never need to extract libs for forward-locked and external packages, 8308 // since the container service will do it for us. We shouldn't attempt to 8309 // extract libs from system app when it was not updated. 8310 if (pkg.isForwardLocked() || pkg.applicationInfo.isExternalAsec() || 8311 (isSystemApp(pkg) && !pkg.isUpdatedSystemApp())) { 8312 extractLibs = false; 8313 } 8314 8315 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 8316 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 8317 8318 NativeLibraryHelper.Handle handle = null; 8319 try { 8320 handle = NativeLibraryHelper.Handle.create(pkg); 8321 // TODO(multiArch): This can be null for apps that didn't go through the 8322 // usual installation process. We can calculate it again, like we 8323 // do during install time. 8324 // 8325 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 8326 // unnecessary. 8327 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 8328 8329 // Null out the abis so that they can be recalculated. 8330 pkg.applicationInfo.primaryCpuAbi = null; 8331 pkg.applicationInfo.secondaryCpuAbi = null; 8332 if (isMultiArch(pkg.applicationInfo)) { 8333 // Warn if we've set an abiOverride for multi-lib packages.. 8334 // By definition, we need to copy both 32 and 64 bit libraries for 8335 // such packages. 8336 if (pkg.cpuAbiOverride != null 8337 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 8338 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 8339 } 8340 8341 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 8342 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 8343 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 8344 if (extractLibs) { 8345 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 8346 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 8347 useIsaSpecificSubdirs); 8348 } else { 8349 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 8350 } 8351 } 8352 8353 maybeThrowExceptionForMultiArchCopy( 8354 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 8355 8356 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 8357 if (extractLibs) { 8358 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 8359 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 8360 useIsaSpecificSubdirs); 8361 } else { 8362 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 8363 } 8364 } 8365 8366 maybeThrowExceptionForMultiArchCopy( 8367 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 8368 8369 if (abi64 >= 0) { 8370 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 8371 } 8372 8373 if (abi32 >= 0) { 8374 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 8375 if (abi64 >= 0) { 8376 if (cpuAbiOverride == null && pkg.use32bitAbi) { 8377 pkg.applicationInfo.secondaryCpuAbi = pkg.applicationInfo.primaryCpuAbi; 8378 pkg.applicationInfo.primaryCpuAbi = abi; 8379 } else { 8380 pkg.applicationInfo.secondaryCpuAbi = abi; 8381 } 8382 } else { 8383 pkg.applicationInfo.primaryCpuAbi = abi; 8384 } 8385 } 8386 8387 } else { 8388 String[] abiList = (cpuAbiOverride != null) ? 8389 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 8390 8391 // Enable gross and lame hacks for apps that are built with old 8392 // SDK tools. We must scan their APKs for renderscript bitcode and 8393 // not launch them if it's present. Don't bother checking on devices 8394 // that don't have 64 bit support. 8395 boolean needsRenderScriptOverride = false; 8396 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 8397 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 8398 abiList = Build.SUPPORTED_32_BIT_ABIS; 8399 needsRenderScriptOverride = true; 8400 } 8401 8402 final int copyRet; 8403 if (extractLibs) { 8404 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 8405 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 8406 } else { 8407 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 8408 } 8409 8410 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 8411 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 8412 "Error unpackaging native libs for app, errorCode=" + copyRet); 8413 } 8414 8415 if (copyRet >= 0) { 8416 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 8417 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 8418 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 8419 } else if (needsRenderScriptOverride) { 8420 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 8421 } 8422 } 8423 } catch (IOException ioe) { 8424 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 8425 } finally { 8426 IoUtils.closeQuietly(handle); 8427 } 8428 8429 // Now that we've calculated the ABIs and determined if it's an internal app, 8430 // we will go ahead and populate the nativeLibraryPath. 8431 setNativeLibraryPaths(pkg); 8432 } 8433 8434 /** 8435 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 8436 * i.e, so that all packages can be run inside a single process if required. 8437 * 8438 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 8439 * this function will either try and make the ABI for all packages in {@code packagesForUser} 8440 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 8441 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 8442 * updating a package that belongs to a shared user. 8443 * 8444 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 8445 * adds unnecessary complexity. 8446 */ 8447 private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 8448 PackageParser.Package scannedPackage, boolean bootComplete) { 8449 String requiredInstructionSet = null; 8450 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 8451 requiredInstructionSet = VMRuntime.getInstructionSet( 8452 scannedPackage.applicationInfo.primaryCpuAbi); 8453 } 8454 8455 PackageSetting requirer = null; 8456 for (PackageSetting ps : packagesForUser) { 8457 // If packagesForUser contains scannedPackage, we skip it. This will happen 8458 // when scannedPackage is an update of an existing package. Without this check, 8459 // we will never be able to change the ABI of any package belonging to a shared 8460 // user, even if it's compatible with other packages. 8461 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 8462 if (ps.primaryCpuAbiString == null) { 8463 continue; 8464 } 8465 8466 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 8467 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 8468 // We have a mismatch between instruction sets (say arm vs arm64) warn about 8469 // this but there's not much we can do. 8470 String errorMessage = "Instruction set mismatch, " 8471 + ((requirer == null) ? "[caller]" : requirer) 8472 + " requires " + requiredInstructionSet + " whereas " + ps 8473 + " requires " + instructionSet; 8474 Slog.w(TAG, errorMessage); 8475 } 8476 8477 if (requiredInstructionSet == null) { 8478 requiredInstructionSet = instructionSet; 8479 requirer = ps; 8480 } 8481 } 8482 } 8483 8484 if (requiredInstructionSet != null) { 8485 String adjustedAbi; 8486 if (requirer != null) { 8487 // requirer != null implies that either scannedPackage was null or that scannedPackage 8488 // did not require an ABI, in which case we have to adjust scannedPackage to match 8489 // the ABI of the set (which is the same as requirer's ABI) 8490 adjustedAbi = requirer.primaryCpuAbiString; 8491 if (scannedPackage != null) { 8492 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 8493 } 8494 } else { 8495 // requirer == null implies that we're updating all ABIs in the set to 8496 // match scannedPackage. 8497 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 8498 } 8499 8500 for (PackageSetting ps : packagesForUser) { 8501 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 8502 if (ps.primaryCpuAbiString != null) { 8503 continue; 8504 } 8505 8506 ps.primaryCpuAbiString = adjustedAbi; 8507 if (ps.pkg != null && ps.pkg.applicationInfo != null && 8508 !TextUtils.equals(adjustedAbi, ps.pkg.applicationInfo.primaryCpuAbi)) { 8509 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 8510 Slog.i(TAG, "Adjusting ABI for " + ps.name + " to " + adjustedAbi 8511 + " (requirer=" 8512 + (requirer == null ? "null" : requirer.pkg.packageName) 8513 + ", scannedPackage=" 8514 + (scannedPackage != null ? scannedPackage.packageName : "null") 8515 + ")"); 8516 try { 8517 mInstaller.rmdex(ps.codePathString, 8518 getDexCodeInstructionSet(getPreferredInstructionSet())); 8519 } catch (InstallerException ignored) { 8520 } 8521 } 8522 } 8523 } 8524 } 8525 } 8526 8527 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 8528 synchronized (mPackages) { 8529 mResolverReplaced = true; 8530 // Set up information for custom user intent resolution activity. 8531 mResolveActivity.applicationInfo = pkg.applicationInfo; 8532 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 8533 mResolveActivity.packageName = pkg.applicationInfo.packageName; 8534 mResolveActivity.processName = pkg.applicationInfo.packageName; 8535 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 8536 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 8537 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 8538 mResolveActivity.theme = 0; 8539 mResolveActivity.exported = true; 8540 mResolveActivity.enabled = true; 8541 mResolveInfo.activityInfo = mResolveActivity; 8542 mResolveInfo.priority = 0; 8543 mResolveInfo.preferredOrder = 0; 8544 mResolveInfo.match = 0; 8545 mResolveComponentName = mCustomResolverComponentName; 8546 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 8547 mResolveComponentName); 8548 } 8549 } 8550 8551 private void setUpEphemeralInstallerActivityLP(ComponentName installerComponent) { 8552 final PackageParser.Package pkg = mPackages.get(installerComponent.getPackageName()); 8553 8554 // Set up information for ephemeral installer activity 8555 mEphemeralInstallerActivity.applicationInfo = pkg.applicationInfo; 8556 mEphemeralInstallerActivity.name = mEphemeralInstallerComponent.getClassName(); 8557 mEphemeralInstallerActivity.packageName = pkg.applicationInfo.packageName; 8558 mEphemeralInstallerActivity.processName = pkg.applicationInfo.packageName; 8559 mEphemeralInstallerActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 8560 mEphemeralInstallerActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 8561 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 8562 mEphemeralInstallerActivity.theme = 0; 8563 mEphemeralInstallerActivity.exported = true; 8564 mEphemeralInstallerActivity.enabled = true; 8565 mEphemeralInstallerInfo.activityInfo = mEphemeralInstallerActivity; 8566 mEphemeralInstallerInfo.priority = 0; 8567 mEphemeralInstallerInfo.preferredOrder = 0; 8568 mEphemeralInstallerInfo.match = 0; 8569 8570 if (DEBUG_EPHEMERAL) { 8571 Slog.d(TAG, "Set ephemeral installer activity: " + mEphemeralInstallerComponent); 8572 } 8573 } 8574 8575 private static String calculateBundledApkRoot(final String codePathString) { 8576 final File codePath = new File(codePathString); 8577 final File codeRoot; 8578 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 8579 codeRoot = Environment.getRootDirectory(); 8580 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 8581 codeRoot = Environment.getOemDirectory(); 8582 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 8583 codeRoot = Environment.getVendorDirectory(); 8584 } else { 8585 // Unrecognized code path; take its top real segment as the apk root: 8586 // e.g. /something/app/blah.apk => /something 8587 try { 8588 File f = codePath.getCanonicalFile(); 8589 File parent = f.getParentFile(); // non-null because codePath is a file 8590 File tmp; 8591 while ((tmp = parent.getParentFile()) != null) { 8592 f = parent; 8593 parent = tmp; 8594 } 8595 codeRoot = f; 8596 Slog.w(TAG, "Unrecognized code path " 8597 + codePath + " - using " + codeRoot); 8598 } catch (IOException e) { 8599 // Can't canonicalize the code path -- shenanigans? 8600 Slog.w(TAG, "Can't canonicalize code path " + codePath); 8601 return Environment.getRootDirectory().getPath(); 8602 } 8603 } 8604 return codeRoot.getPath(); 8605 } 8606 8607 /** 8608 * Derive and set the location of native libraries for the given package, 8609 * which varies depending on where and how the package was installed. 8610 */ 8611 private void setNativeLibraryPaths(PackageParser.Package pkg) { 8612 final ApplicationInfo info = pkg.applicationInfo; 8613 final String codePath = pkg.codePath; 8614 final File codeFile = new File(codePath); 8615 final boolean bundledApp = info.isSystemApp() && !info.isUpdatedSystemApp(); 8616 final boolean asecApp = info.isForwardLocked() || info.isExternalAsec(); 8617 8618 info.nativeLibraryRootDir = null; 8619 info.nativeLibraryRootRequiresIsa = false; 8620 info.nativeLibraryDir = null; 8621 info.secondaryNativeLibraryDir = null; 8622 8623 if (isApkFile(codeFile)) { 8624 // Monolithic install 8625 if (bundledApp) { 8626 // If "/system/lib64/apkname" exists, assume that is the per-package 8627 // native library directory to use; otherwise use "/system/lib/apkname". 8628 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 8629 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 8630 getPrimaryInstructionSet(info)); 8631 8632 // This is a bundled system app so choose the path based on the ABI. 8633 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 8634 // is just the default path. 8635 final String apkName = deriveCodePathName(codePath); 8636 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 8637 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 8638 apkName).getAbsolutePath(); 8639 8640 if (info.secondaryCpuAbi != null) { 8641 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 8642 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 8643 secondaryLibDir, apkName).getAbsolutePath(); 8644 } 8645 } else if (asecApp) { 8646 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 8647 .getAbsolutePath(); 8648 } else { 8649 final String apkName = deriveCodePathName(codePath); 8650 info.nativeLibraryRootDir = new File(mAppLib32InstallDir, apkName) 8651 .getAbsolutePath(); 8652 } 8653 8654 info.nativeLibraryRootRequiresIsa = false; 8655 info.nativeLibraryDir = info.nativeLibraryRootDir; 8656 } else { 8657 // Cluster install 8658 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 8659 info.nativeLibraryRootRequiresIsa = true; 8660 8661 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 8662 getPrimaryInstructionSet(info)).getAbsolutePath(); 8663 8664 if (info.secondaryCpuAbi != null) { 8665 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 8666 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 8667 } 8668 } 8669 } 8670 8671 /** 8672 * Calculate the abis and roots for a bundled app. These can uniquely 8673 * be determined from the contents of the system partition, i.e whether 8674 * it contains 64 or 32 bit shared libraries etc. We do not validate any 8675 * of this information, and instead assume that the system was built 8676 * sensibly. 8677 */ 8678 private void setBundledAppAbisAndRoots(PackageParser.Package pkg, 8679 PackageSetting pkgSetting) { 8680 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 8681 8682 // If "/system/lib64/apkname" exists, assume that is the per-package 8683 // native library directory to use; otherwise use "/system/lib/apkname". 8684 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 8685 setBundledAppAbi(pkg, apkRoot, apkName); 8686 // pkgSetting might be null during rescan following uninstall of updates 8687 // to a bundled app, so accommodate that possibility. The settings in 8688 // that case will be established later from the parsed package. 8689 // 8690 // If the settings aren't null, sync them up with what we've just derived. 8691 // note that apkRoot isn't stored in the package settings. 8692 if (pkgSetting != null) { 8693 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 8694 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 8695 } 8696 } 8697 8698 /** 8699 * Deduces the ABI of a bundled app and sets the relevant fields on the 8700 * parsed pkg object. 8701 * 8702 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 8703 * under which system libraries are installed. 8704 * @param apkName the name of the installed package. 8705 */ 8706 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 8707 final File codeFile = new File(pkg.codePath); 8708 8709 final boolean has64BitLibs; 8710 final boolean has32BitLibs; 8711 if (isApkFile(codeFile)) { 8712 // Monolithic install 8713 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 8714 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 8715 } else { 8716 // Cluster install 8717 final File rootDir = new File(codeFile, LIB_DIR_NAME); 8718 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 8719 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 8720 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 8721 has64BitLibs = (new File(rootDir, isa)).exists(); 8722 } else { 8723 has64BitLibs = false; 8724 } 8725 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 8726 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 8727 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 8728 has32BitLibs = (new File(rootDir, isa)).exists(); 8729 } else { 8730 has32BitLibs = false; 8731 } 8732 } 8733 8734 if (has64BitLibs && !has32BitLibs) { 8735 // The package has 64 bit libs, but not 32 bit libs. Its primary 8736 // ABI should be 64 bit. We can safely assume here that the bundled 8737 // native libraries correspond to the most preferred ABI in the list. 8738 8739 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 8740 pkg.applicationInfo.secondaryCpuAbi = null; 8741 } else if (has32BitLibs && !has64BitLibs) { 8742 // The package has 32 bit libs but not 64 bit libs. Its primary 8743 // ABI should be 32 bit. 8744 8745 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 8746 pkg.applicationInfo.secondaryCpuAbi = null; 8747 } else if (has32BitLibs && has64BitLibs) { 8748 // The application has both 64 and 32 bit bundled libraries. We check 8749 // here that the app declares multiArch support, and warn if it doesn't. 8750 // 8751 // We will be lenient here and record both ABIs. The primary will be the 8752 // ABI that's higher on the list, i.e, a device that's configured to prefer 8753 // 64 bit apps will see a 64 bit primary ABI, 8754 8755 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 8756 Slog.e(TAG, "Package " + pkg + " has multiple bundled libs, but is not multiarch."); 8757 } 8758 8759 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 8760 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 8761 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 8762 } else { 8763 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 8764 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 8765 } 8766 } else { 8767 pkg.applicationInfo.primaryCpuAbi = null; 8768 pkg.applicationInfo.secondaryCpuAbi = null; 8769 } 8770 } 8771 8772 private void killPackage(PackageParser.Package pkg, String reason) { 8773 // Kill the parent package 8774 killApplication(pkg.packageName, pkg.applicationInfo.uid, reason); 8775 // Kill the child packages 8776 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8777 for (int i = 0; i < childCount; i++) { 8778 PackageParser.Package childPkg = pkg.childPackages.get(i); 8779 killApplication(childPkg.packageName, childPkg.applicationInfo.uid, reason); 8780 } 8781 } 8782 8783 private void killApplication(String pkgName, int appId, String reason) { 8784 // Request the ActivityManager to kill the process(only for existing packages) 8785 // so that we do not end up in a confused state while the user is still using the older 8786 // version of the application while the new one gets installed. 8787 IActivityManager am = ActivityManagerNative.getDefault(); 8788 if (am != null) { 8789 try { 8790 am.killApplicationWithAppId(pkgName, appId, reason); 8791 } catch (RemoteException e) { 8792 } 8793 } 8794 } 8795 8796 private void removePackageLI(PackageParser.Package pkg, boolean chatty) { 8797 // Remove the parent package setting 8798 PackageSetting ps = (PackageSetting) pkg.mExtras; 8799 if (ps != null) { 8800 removePackageLI(ps, chatty); 8801 } 8802 // Remove the child package setting 8803 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8804 for (int i = 0; i < childCount; i++) { 8805 PackageParser.Package childPkg = pkg.childPackages.get(i); 8806 ps = (PackageSetting) childPkg.mExtras; 8807 if (ps != null) { 8808 removePackageLI(ps, chatty); 8809 } 8810 } 8811 } 8812 8813 void removePackageLI(PackageSetting ps, boolean chatty) { 8814 if (DEBUG_INSTALL) { 8815 if (chatty) 8816 Log.d(TAG, "Removing package " + ps.name); 8817 } 8818 8819 // writer 8820 synchronized (mPackages) { 8821 mPackages.remove(ps.name); 8822 final PackageParser.Package pkg = ps.pkg; 8823 if (pkg != null) { 8824 cleanPackageDataStructuresLILPw(pkg, chatty); 8825 } 8826 } 8827 } 8828 8829 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 8830 if (DEBUG_INSTALL) { 8831 if (chatty) 8832 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 8833 } 8834 8835 // writer 8836 synchronized (mPackages) { 8837 // Remove the parent package 8838 mPackages.remove(pkg.applicationInfo.packageName); 8839 cleanPackageDataStructuresLILPw(pkg, chatty); 8840 8841 // Remove the child packages 8842 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8843 for (int i = 0; i < childCount; i++) { 8844 PackageParser.Package childPkg = pkg.childPackages.get(i); 8845 mPackages.remove(childPkg.applicationInfo.packageName); 8846 cleanPackageDataStructuresLILPw(childPkg, chatty); 8847 } 8848 } 8849 } 8850 8851 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 8852 int N = pkg.providers.size(); 8853 StringBuilder r = null; 8854 int i; 8855 for (i=0; i<N; i++) { 8856 PackageParser.Provider p = pkg.providers.get(i); 8857 mProviders.removeProvider(p); 8858 if (p.info.authority == null) { 8859 8860 /* There was another ContentProvider with this authority when 8861 * this app was installed so this authority is null, 8862 * Ignore it as we don't have to unregister the provider. 8863 */ 8864 continue; 8865 } 8866 String names[] = p.info.authority.split(";"); 8867 for (int j = 0; j < names.length; j++) { 8868 if (mProvidersByAuthority.get(names[j]) == p) { 8869 mProvidersByAuthority.remove(names[j]); 8870 if (DEBUG_REMOVE) { 8871 if (chatty) 8872 Log.d(TAG, "Unregistered content provider: " + names[j] 8873 + ", className = " + p.info.name + ", isSyncable = " 8874 + p.info.isSyncable); 8875 } 8876 } 8877 } 8878 if (DEBUG_REMOVE && chatty) { 8879 if (r == null) { 8880 r = new StringBuilder(256); 8881 } else { 8882 r.append(' '); 8883 } 8884 r.append(p.info.name); 8885 } 8886 } 8887 if (r != null) { 8888 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 8889 } 8890 8891 N = pkg.services.size(); 8892 r = null; 8893 for (i=0; i<N; i++) { 8894 PackageParser.Service s = pkg.services.get(i); 8895 mServices.removeService(s); 8896 if (chatty) { 8897 if (r == null) { 8898 r = new StringBuilder(256); 8899 } else { 8900 r.append(' '); 8901 } 8902 r.append(s.info.name); 8903 } 8904 } 8905 if (r != null) { 8906 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 8907 } 8908 8909 N = pkg.receivers.size(); 8910 r = null; 8911 for (i=0; i<N; i++) { 8912 PackageParser.Activity a = pkg.receivers.get(i); 8913 mReceivers.removeActivity(a, "receiver"); 8914 if (DEBUG_REMOVE && chatty) { 8915 if (r == null) { 8916 r = new StringBuilder(256); 8917 } else { 8918 r.append(' '); 8919 } 8920 r.append(a.info.name); 8921 } 8922 } 8923 if (r != null) { 8924 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 8925 } 8926 8927 N = pkg.activities.size(); 8928 r = null; 8929 for (i=0; i<N; i++) { 8930 PackageParser.Activity a = pkg.activities.get(i); 8931 mActivities.removeActivity(a, "activity"); 8932 if (DEBUG_REMOVE && chatty) { 8933 if (r == null) { 8934 r = new StringBuilder(256); 8935 } else { 8936 r.append(' '); 8937 } 8938 r.append(a.info.name); 8939 } 8940 } 8941 if (r != null) { 8942 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 8943 } 8944 8945 N = pkg.permissions.size(); 8946 r = null; 8947 for (i=0; i<N; i++) { 8948 PackageParser.Permission p = pkg.permissions.get(i); 8949 BasePermission bp = mSettings.mPermissions.get(p.info.name); 8950 if (bp == null) { 8951 bp = mSettings.mPermissionTrees.get(p.info.name); 8952 } 8953 if (bp != null && bp.perm == p) { 8954 bp.perm = null; 8955 if (DEBUG_REMOVE && chatty) { 8956 if (r == null) { 8957 r = new StringBuilder(256); 8958 } else { 8959 r.append(' '); 8960 } 8961 r.append(p.info.name); 8962 } 8963 } 8964 if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 8965 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(p.info.name); 8966 if (appOpPkgs != null) { 8967 appOpPkgs.remove(pkg.packageName); 8968 } 8969 } 8970 } 8971 if (r != null) { 8972 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 8973 } 8974 8975 N = pkg.requestedPermissions.size(); 8976 r = null; 8977 for (i=0; i<N; i++) { 8978 String perm = pkg.requestedPermissions.get(i); 8979 BasePermission bp = mSettings.mPermissions.get(perm); 8980 if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 8981 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(perm); 8982 if (appOpPkgs != null) { 8983 appOpPkgs.remove(pkg.packageName); 8984 if (appOpPkgs.isEmpty()) { 8985 mAppOpPermissionPackages.remove(perm); 8986 } 8987 } 8988 } 8989 } 8990 if (r != null) { 8991 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 8992 } 8993 8994 N = pkg.instrumentation.size(); 8995 r = null; 8996 for (i=0; i<N; i++) { 8997 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 8998 mInstrumentation.remove(a.getComponentName()); 8999 if (DEBUG_REMOVE && chatty) { 9000 if (r == null) { 9001 r = new StringBuilder(256); 9002 } else { 9003 r.append(' '); 9004 } 9005 r.append(a.info.name); 9006 } 9007 } 9008 if (r != null) { 9009 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 9010 } 9011 9012 r = null; 9013 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 9014 // Only system apps can hold shared libraries. 9015 if (pkg.libraryNames != null) { 9016 for (i=0; i<pkg.libraryNames.size(); i++) { 9017 String name = pkg.libraryNames.get(i); 9018 SharedLibraryEntry cur = mSharedLibraries.get(name); 9019 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 9020 mSharedLibraries.remove(name); 9021 if (DEBUG_REMOVE && chatty) { 9022 if (r == null) { 9023 r = new StringBuilder(256); 9024 } else { 9025 r.append(' '); 9026 } 9027 r.append(name); 9028 } 9029 } 9030 } 9031 } 9032 } 9033 if (r != null) { 9034 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 9035 } 9036 } 9037 9038 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 9039 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 9040 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 9041 return true; 9042 } 9043 } 9044 return false; 9045 } 9046 9047 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 9048 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 9049 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 9050 9051 private void updatePermissionsLPw(PackageParser.Package pkg, int flags) { 9052 // Update the parent permissions 9053 updatePermissionsLPw(pkg.packageName, pkg, flags); 9054 // Update the child permissions 9055 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9056 for (int i = 0; i < childCount; i++) { 9057 PackageParser.Package childPkg = pkg.childPackages.get(i); 9058 updatePermissionsLPw(childPkg.packageName, childPkg, flags); 9059 } 9060 } 9061 9062 private void updatePermissionsLPw(String changingPkg, PackageParser.Package pkgInfo, 9063 int flags) { 9064 final String volumeUuid = (pkgInfo != null) ? getVolumeUuidForPackage(pkgInfo) : null; 9065 updatePermissionsLPw(changingPkg, pkgInfo, volumeUuid, flags); 9066 } 9067 9068 private void updatePermissionsLPw(String changingPkg, 9069 PackageParser.Package pkgInfo, String replaceVolumeUuid, int flags) { 9070 // Make sure there are no dangling permission trees. 9071 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 9072 while (it.hasNext()) { 9073 final BasePermission bp = it.next(); 9074 if (bp.packageSetting == null) { 9075 // We may not yet have parsed the package, so just see if 9076 // we still know about its settings. 9077 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 9078 } 9079 if (bp.packageSetting == null) { 9080 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 9081 + " from package " + bp.sourcePackage); 9082 it.remove(); 9083 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 9084 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 9085 Slog.i(TAG, "Removing old permission tree: " + bp.name 9086 + " from package " + bp.sourcePackage); 9087 flags |= UPDATE_PERMISSIONS_ALL; 9088 it.remove(); 9089 } 9090 } 9091 } 9092 9093 // Make sure all dynamic permissions have been assigned to a package, 9094 // and make sure there are no dangling permissions. 9095 it = mSettings.mPermissions.values().iterator(); 9096 while (it.hasNext()) { 9097 final BasePermission bp = it.next(); 9098 if (bp.type == BasePermission.TYPE_DYNAMIC) { 9099 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 9100 + bp.name + " pkg=" + bp.sourcePackage 9101 + " info=" + bp.pendingInfo); 9102 if (bp.packageSetting == null && bp.pendingInfo != null) { 9103 final BasePermission tree = findPermissionTreeLP(bp.name); 9104 if (tree != null && tree.perm != null) { 9105 bp.packageSetting = tree.packageSetting; 9106 bp.perm = new PackageParser.Permission(tree.perm.owner, 9107 new PermissionInfo(bp.pendingInfo)); 9108 bp.perm.info.packageName = tree.perm.info.packageName; 9109 bp.perm.info.name = bp.name; 9110 bp.uid = tree.uid; 9111 } 9112 } 9113 } 9114 if (bp.packageSetting == null) { 9115 // We may not yet have parsed the package, so just see if 9116 // we still know about its settings. 9117 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 9118 } 9119 if (bp.packageSetting == null) { 9120 Slog.w(TAG, "Removing dangling permission: " + bp.name 9121 + " from package " + bp.sourcePackage); 9122 it.remove(); 9123 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 9124 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 9125 Slog.i(TAG, "Removing old permission: " + bp.name 9126 + " from package " + bp.sourcePackage); 9127 flags |= UPDATE_PERMISSIONS_ALL; 9128 it.remove(); 9129 } 9130 } 9131 } 9132 9133 // Now update the permissions for all packages, in particular 9134 // replace the granted permissions of the system packages. 9135 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 9136 for (PackageParser.Package pkg : mPackages.values()) { 9137 if (pkg != pkgInfo) { 9138 // Only replace for packages on requested volume 9139 final String volumeUuid = getVolumeUuidForPackage(pkg); 9140 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_ALL) != 0) 9141 && Objects.equals(replaceVolumeUuid, volumeUuid); 9142 grantPermissionsLPw(pkg, replace, changingPkg); 9143 } 9144 } 9145 } 9146 9147 if (pkgInfo != null) { 9148 // Only replace for packages on requested volume 9149 final String volumeUuid = getVolumeUuidForPackage(pkgInfo); 9150 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_PKG) != 0) 9151 && Objects.equals(replaceVolumeUuid, volumeUuid); 9152 grantPermissionsLPw(pkgInfo, replace, changingPkg); 9153 } 9154 } 9155 9156 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace, 9157 String packageOfInterest) { 9158 // IMPORTANT: There are two types of permissions: install and runtime. 9159 // Install time permissions are granted when the app is installed to 9160 // all device users and users added in the future. Runtime permissions 9161 // are granted at runtime explicitly to specific users. Normal and signature 9162 // protected permissions are install time permissions. Dangerous permissions 9163 // are install permissions if the app's target SDK is Lollipop MR1 or older, 9164 // otherwise they are runtime permissions. This function does not manage 9165 // runtime permissions except for the case an app targeting Lollipop MR1 9166 // being upgraded to target a newer SDK, in which case dangerous permissions 9167 // are transformed from install time to runtime ones. 9168 9169 final PackageSetting ps = (PackageSetting) pkg.mExtras; 9170 if (ps == null) { 9171 return; 9172 } 9173 9174 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "grantPermissions"); 9175 9176 PermissionsState permissionsState = ps.getPermissionsState(); 9177 PermissionsState origPermissions = permissionsState; 9178 9179 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 9180 9181 boolean runtimePermissionsRevoked = false; 9182 int[] changedRuntimePermissionUserIds = EMPTY_INT_ARRAY; 9183 9184 boolean changedInstallPermission = false; 9185 9186 if (replace) { 9187 ps.installPermissionsFixed = false; 9188 if (!ps.isSharedUser()) { 9189 origPermissions = new PermissionsState(permissionsState); 9190 permissionsState.reset(); 9191 } else { 9192 // We need to know only about runtime permission changes since the 9193 // calling code always writes the install permissions state but 9194 // the runtime ones are written only if changed. The only cases of 9195 // changed runtime permissions here are promotion of an install to 9196 // runtime and revocation of a runtime from a shared user. 9197 changedRuntimePermissionUserIds = revokeUnusedSharedUserPermissionsLPw( 9198 ps.sharedUser, UserManagerService.getInstance().getUserIds()); 9199 if (!ArrayUtils.isEmpty(changedRuntimePermissionUserIds)) { 9200 runtimePermissionsRevoked = true; 9201 } 9202 } 9203 } 9204 9205 permissionsState.setGlobalGids(mGlobalGids); 9206 9207 final int N = pkg.requestedPermissions.size(); 9208 for (int i=0; i<N; i++) { 9209 final String name = pkg.requestedPermissions.get(i); 9210 final BasePermission bp = mSettings.mPermissions.get(name); 9211 9212 if (DEBUG_INSTALL) { 9213 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 9214 } 9215 9216 if (bp == null || bp.packageSetting == null) { 9217 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 9218 Slog.w(TAG, "Unknown permission " + name 9219 + " in package " + pkg.packageName); 9220 } 9221 continue; 9222 } 9223 9224 final String perm = bp.name; 9225 boolean allowedSig = false; 9226 int grant = GRANT_DENIED; 9227 9228 // Keep track of app op permissions. 9229 if ((bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9230 ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name); 9231 if (pkgs == null) { 9232 pkgs = new ArraySet<>(); 9233 mAppOpPermissionPackages.put(bp.name, pkgs); 9234 } 9235 pkgs.add(pkg.packageName); 9236 } 9237 9238 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 9239 final boolean appSupportsRuntimePermissions = pkg.applicationInfo.targetSdkVersion 9240 >= Build.VERSION_CODES.M; 9241 switch (level) { 9242 case PermissionInfo.PROTECTION_NORMAL: { 9243 // For all apps normal permissions are install time ones. 9244 grant = GRANT_INSTALL; 9245 } break; 9246 9247 case PermissionInfo.PROTECTION_DANGEROUS: { 9248 // If a permission review is required for legacy apps we represent 9249 // their permissions as always granted runtime ones since we need 9250 // to keep the review required permission flag per user while an 9251 // install permission's state is shared across all users. 9252 if (!appSupportsRuntimePermissions && !Build.PERMISSIONS_REVIEW_REQUIRED) { 9253 // For legacy apps dangerous permissions are install time ones. 9254 grant = GRANT_INSTALL; 9255 } else if (origPermissions.hasInstallPermission(bp.name)) { 9256 // For legacy apps that became modern, install becomes runtime. 9257 grant = GRANT_UPGRADE; 9258 } else if (mPromoteSystemApps 9259 && isSystemApp(ps) 9260 && mExistingSystemPackages.contains(ps.name)) { 9261 // For legacy system apps, install becomes runtime. 9262 // We cannot check hasInstallPermission() for system apps since those 9263 // permissions were granted implicitly and not persisted pre-M. 9264 grant = GRANT_UPGRADE; 9265 } else { 9266 // For modern apps keep runtime permissions unchanged. 9267 grant = GRANT_RUNTIME; 9268 } 9269 } break; 9270 9271 case PermissionInfo.PROTECTION_SIGNATURE: { 9272 // For all apps signature permissions are install time ones. 9273 allowedSig = grantSignaturePermission(perm, pkg, bp, origPermissions); 9274 if (allowedSig) { 9275 grant = GRANT_INSTALL; 9276 } 9277 } break; 9278 } 9279 9280 if (DEBUG_INSTALL) { 9281 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 9282 } 9283 9284 if (grant != GRANT_DENIED) { 9285 if (!isSystemApp(ps) && ps.installPermissionsFixed) { 9286 // If this is an existing, non-system package, then 9287 // we can't add any new permissions to it. 9288 if (!allowedSig && !origPermissions.hasInstallPermission(perm)) { 9289 // Except... if this is a permission that was added 9290 // to the platform (note: need to only do this when 9291 // updating the platform). 9292 if (!isNewPlatformPermissionForPackage(perm, pkg)) { 9293 grant = GRANT_DENIED; 9294 } 9295 } 9296 } 9297 9298 switch (grant) { 9299 case GRANT_INSTALL: { 9300 // Revoke this as runtime permission to handle the case of 9301 // a runtime permission being downgraded to an install one. Also in permission review mode we keep dangerous permissions for legacy apps 9302 for (int userId : UserManagerService.getInstance().getUserIds()) { 9303 if (origPermissions.getRuntimePermissionState( 9304 bp.name, userId) != null) { 9305 // Revoke the runtime permission and clear the flags. 9306 origPermissions.revokeRuntimePermission(bp, userId); 9307 origPermissions.updatePermissionFlags(bp, userId, 9308 PackageManager.MASK_PERMISSION_FLAGS, 0); 9309 // If we revoked a permission permission, we have to write. 9310 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9311 changedRuntimePermissionUserIds, userId); 9312 } 9313 } 9314 // Grant an install permission. 9315 if (permissionsState.grantInstallPermission(bp) != 9316 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9317 changedInstallPermission = true; 9318 } 9319 } break; 9320 9321 case GRANT_RUNTIME: { 9322 // Grant previously granted runtime permissions. 9323 for (int userId : UserManagerService.getInstance().getUserIds()) { 9324 PermissionState permissionState = origPermissions 9325 .getRuntimePermissionState(bp.name, userId); 9326 int flags = permissionState != null 9327 ? permissionState.getFlags() : 0; 9328 if (origPermissions.hasRuntimePermission(bp.name, userId)) { 9329 if (permissionsState.grantRuntimePermission(bp, userId) == 9330 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9331 // If we cannot put the permission as it was, we have to write. 9332 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9333 changedRuntimePermissionUserIds, userId); 9334 } 9335 // If the app supports runtime permissions no need for a review. 9336 if (Build.PERMISSIONS_REVIEW_REQUIRED 9337 && appSupportsRuntimePermissions 9338 && (flags & PackageManager 9339 .FLAG_PERMISSION_REVIEW_REQUIRED) != 0) { 9340 flags &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 9341 // Since we changed the flags, we have to write. 9342 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9343 changedRuntimePermissionUserIds, userId); 9344 } 9345 } else if (Build.PERMISSIONS_REVIEW_REQUIRED 9346 && !appSupportsRuntimePermissions) { 9347 // For legacy apps that need a permission review, every new 9348 // runtime permission is granted but it is pending a review. 9349 if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 9350 permissionsState.grantRuntimePermission(bp, userId); 9351 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 9352 // We changed the permission and flags, hence have to write. 9353 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9354 changedRuntimePermissionUserIds, userId); 9355 } 9356 } 9357 // Propagate the permission flags. 9358 permissionsState.updatePermissionFlags(bp, userId, flags, flags); 9359 } 9360 } break; 9361 9362 case GRANT_UPGRADE: { 9363 // Grant runtime permissions for a previously held install permission. 9364 PermissionState permissionState = origPermissions 9365 .getInstallPermissionState(bp.name); 9366 final int flags = permissionState != null ? permissionState.getFlags() : 0; 9367 9368 if (origPermissions.revokeInstallPermission(bp) 9369 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 9370 // We will be transferring the permission flags, so clear them. 9371 origPermissions.updatePermissionFlags(bp, UserHandle.USER_ALL, 9372 PackageManager.MASK_PERMISSION_FLAGS, 0); 9373 changedInstallPermission = true; 9374 } 9375 9376 // If the permission is not to be promoted to runtime we ignore it and 9377 // also its other flags as they are not applicable to install permissions. 9378 if ((flags & PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE) == 0) { 9379 for (int userId : currentUserIds) { 9380 if (permissionsState.grantRuntimePermission(bp, userId) != 9381 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9382 // Transfer the permission flags. 9383 permissionsState.updatePermissionFlags(bp, userId, 9384 flags, flags); 9385 // If we granted the permission, we have to write. 9386 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9387 changedRuntimePermissionUserIds, userId); 9388 } 9389 } 9390 } 9391 } break; 9392 9393 default: { 9394 if (packageOfInterest == null 9395 || packageOfInterest.equals(pkg.packageName)) { 9396 Slog.w(TAG, "Not granting permission " + perm 9397 + " to package " + pkg.packageName 9398 + " because it was previously installed without"); 9399 } 9400 } break; 9401 } 9402 } else { 9403 if (permissionsState.revokeInstallPermission(bp) != 9404 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9405 // Also drop the permission flags. 9406 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 9407 PackageManager.MASK_PERMISSION_FLAGS, 0); 9408 changedInstallPermission = true; 9409 Slog.i(TAG, "Un-granting permission " + perm 9410 + " from package " + pkg.packageName 9411 + " (protectionLevel=" + bp.protectionLevel 9412 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 9413 + ")"); 9414 } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) { 9415 // Don't print warning for app op permissions, since it is fine for them 9416 // not to be granted, there is a UI for the user to decide. 9417 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 9418 Slog.w(TAG, "Not granting permission " + perm 9419 + " to package " + pkg.packageName 9420 + " (protectionLevel=" + bp.protectionLevel 9421 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 9422 + ")"); 9423 } 9424 } 9425 } 9426 } 9427 9428 if ((changedInstallPermission || replace) && !ps.installPermissionsFixed && 9429 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 9430 // This is the first that we have heard about this package, so the 9431 // permissions we have now selected are fixed until explicitly 9432 // changed. 9433 ps.installPermissionsFixed = true; 9434 } 9435 9436 // Persist the runtime permissions state for users with changes. If permissions 9437 // were revoked because no app in the shared user declares them we have to 9438 // write synchronously to avoid losing runtime permissions state. 9439 for (int userId : changedRuntimePermissionUserIds) { 9440 mSettings.writeRuntimePermissionsForUserLPr(userId, runtimePermissionsRevoked); 9441 } 9442 9443 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9444 } 9445 9446 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 9447 boolean allowed = false; 9448 final int NP = PackageParser.NEW_PERMISSIONS.length; 9449 for (int ip=0; ip<NP; ip++) { 9450 final PackageParser.NewPermissionInfo npi 9451 = PackageParser.NEW_PERMISSIONS[ip]; 9452 if (npi.name.equals(perm) 9453 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 9454 allowed = true; 9455 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 9456 + pkg.packageName); 9457 break; 9458 } 9459 } 9460 return allowed; 9461 } 9462 9463 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 9464 BasePermission bp, PermissionsState origPermissions) { 9465 boolean allowed; 9466 allowed = (compareSignatures( 9467 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 9468 == PackageManager.SIGNATURE_MATCH) 9469 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 9470 == PackageManager.SIGNATURE_MATCH); 9471 if (!allowed && (bp.protectionLevel 9472 & PermissionInfo.PROTECTION_FLAG_PRIVILEGED) != 0) { 9473 if (isSystemApp(pkg)) { 9474 // For updated system applications, a system permission 9475 // is granted only if it had been defined by the original application. 9476 if (pkg.isUpdatedSystemApp()) { 9477 final PackageSetting sysPs = mSettings 9478 .getDisabledSystemPkgLPr(pkg.packageName); 9479 if (sysPs != null && sysPs.getPermissionsState().hasInstallPermission(perm)) { 9480 // If the original was granted this permission, we take 9481 // that grant decision as read and propagate it to the 9482 // update. 9483 if (sysPs.isPrivileged()) { 9484 allowed = true; 9485 } 9486 } else { 9487 // The system apk may have been updated with an older 9488 // version of the one on the data partition, but which 9489 // granted a new system permission that it didn't have 9490 // before. In this case we do want to allow the app to 9491 // now get the new permission if the ancestral apk is 9492 // privileged to get it. 9493 if (sysPs != null && sysPs.pkg != null && sysPs.isPrivileged()) { 9494 for (int j = 0; j < sysPs.pkg.requestedPermissions.size(); j++) { 9495 if (perm.equals(sysPs.pkg.requestedPermissions.get(j))) { 9496 allowed = true; 9497 break; 9498 } 9499 } 9500 } 9501 // Also if a privileged parent package on the system image or any of 9502 // its children requested a privileged permission, the updated child 9503 // packages can also get the permission. 9504 if (pkg.parentPackage != null) { 9505 final PackageSetting disabledSysParentPs = mSettings 9506 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 9507 if (disabledSysParentPs != null && disabledSysParentPs.pkg != null 9508 && disabledSysParentPs.isPrivileged()) { 9509 if (isPackageRequestingPermission(disabledSysParentPs.pkg, perm)) { 9510 allowed = true; 9511 } else if (disabledSysParentPs.pkg.childPackages != null) { 9512 final int count = disabledSysParentPs.pkg.childPackages.size(); 9513 for (int i = 0; i < count; i++) { 9514 PackageParser.Package disabledSysChildPkg = 9515 disabledSysParentPs.pkg.childPackages.get(i); 9516 if (isPackageRequestingPermission(disabledSysChildPkg, 9517 perm)) { 9518 allowed = true; 9519 break; 9520 } 9521 } 9522 } 9523 } 9524 } 9525 } 9526 } else { 9527 allowed = isPrivilegedApp(pkg); 9528 } 9529 } 9530 } 9531 if (!allowed) { 9532 if (!allowed && (bp.protectionLevel 9533 & PermissionInfo.PROTECTION_FLAG_PRE23) != 0 9534 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 9535 // If this was a previously normal/dangerous permission that got moved 9536 // to a system permission as part of the runtime permission redesign, then 9537 // we still want to blindly grant it to old apps. 9538 allowed = true; 9539 } 9540 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_INSTALLER) != 0 9541 && pkg.packageName.equals(mRequiredInstallerPackage)) { 9542 // If this permission is to be granted to the system installer and 9543 // this app is an installer, then it gets the permission. 9544 allowed = true; 9545 } 9546 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_VERIFIER) != 0 9547 && pkg.packageName.equals(mRequiredVerifierPackage)) { 9548 // If this permission is to be granted to the system verifier and 9549 // this app is a verifier, then it gets the permission. 9550 allowed = true; 9551 } 9552 if (!allowed && (bp.protectionLevel 9553 & PermissionInfo.PROTECTION_FLAG_PREINSTALLED) != 0 9554 && isSystemApp(pkg)) { 9555 // Any pre-installed system app is allowed to get this permission. 9556 allowed = true; 9557 } 9558 if (!allowed && (bp.protectionLevel 9559 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 9560 // For development permissions, a development permission 9561 // is granted only if it was already granted. 9562 allowed = origPermissions.hasInstallPermission(perm); 9563 } 9564 } 9565 return allowed; 9566 } 9567 9568 private boolean isPackageRequestingPermission(PackageParser.Package pkg, String permission) { 9569 final int permCount = pkg.requestedPermissions.size(); 9570 for (int j = 0; j < permCount; j++) { 9571 String requestedPermission = pkg.requestedPermissions.get(j); 9572 if (permission.equals(requestedPermission)) { 9573 return true; 9574 } 9575 } 9576 return false; 9577 } 9578 9579 final class ActivityIntentResolver 9580 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 9581 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 9582 boolean defaultOnly, int userId) { 9583 if (!sUserManager.exists(userId)) return null; 9584 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 9585 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 9586 } 9587 9588 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 9589 int userId) { 9590 if (!sUserManager.exists(userId)) return null; 9591 mFlags = flags; 9592 return super.queryIntent(intent, resolvedType, 9593 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 9594 } 9595 9596 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 9597 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 9598 if (!sUserManager.exists(userId)) return null; 9599 if (packageActivities == null) { 9600 return null; 9601 } 9602 mFlags = flags; 9603 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 9604 final int N = packageActivities.size(); 9605 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 9606 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 9607 9608 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 9609 for (int i = 0; i < N; ++i) { 9610 intentFilters = packageActivities.get(i).intents; 9611 if (intentFilters != null && intentFilters.size() > 0) { 9612 PackageParser.ActivityIntentInfo[] array = 9613 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 9614 intentFilters.toArray(array); 9615 listCut.add(array); 9616 } 9617 } 9618 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 9619 } 9620 9621 public final void addActivity(PackageParser.Activity a, String type) { 9622 final boolean systemApp = a.info.applicationInfo.isSystemApp(); 9623 mActivities.put(a.getComponentName(), a); 9624 if (DEBUG_SHOW_INFO) 9625 Log.v( 9626 TAG, " " + type + " " + 9627 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 9628 if (DEBUG_SHOW_INFO) 9629 Log.v(TAG, " Class=" + a.info.name); 9630 final int NI = a.intents.size(); 9631 for (int j=0; j<NI; j++) { 9632 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 9633 if (!systemApp && intent.getPriority() > 0 && "activity".equals(type)) { 9634 intent.setPriority(0); 9635 Log.w(TAG, "Package " + a.info.applicationInfo.packageName + " has activity " 9636 + a.className + " with priority > 0, forcing to 0"); 9637 } 9638 if (DEBUG_SHOW_INFO) { 9639 Log.v(TAG, " IntentFilter:"); 9640 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 9641 } 9642 if (!intent.debugCheck()) { 9643 Log.w(TAG, "==> For Activity " + a.info.name); 9644 } 9645 addFilter(intent); 9646 } 9647 } 9648 9649 public final void removeActivity(PackageParser.Activity a, String type) { 9650 mActivities.remove(a.getComponentName()); 9651 if (DEBUG_SHOW_INFO) { 9652 Log.v(TAG, " " + type + " " 9653 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 9654 : a.info.name) + ":"); 9655 Log.v(TAG, " Class=" + a.info.name); 9656 } 9657 final int NI = a.intents.size(); 9658 for (int j=0; j<NI; j++) { 9659 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 9660 if (DEBUG_SHOW_INFO) { 9661 Log.v(TAG, " IntentFilter:"); 9662 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 9663 } 9664 removeFilter(intent); 9665 } 9666 } 9667 9668 @Override 9669 protected boolean allowFilterResult( 9670 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 9671 ActivityInfo filterAi = filter.activity.info; 9672 for (int i=dest.size()-1; i>=0; i--) { 9673 ActivityInfo destAi = dest.get(i).activityInfo; 9674 if (destAi.name == filterAi.name 9675 && destAi.packageName == filterAi.packageName) { 9676 return false; 9677 } 9678 } 9679 return true; 9680 } 9681 9682 @Override 9683 protected ActivityIntentInfo[] newArray(int size) { 9684 return new ActivityIntentInfo[size]; 9685 } 9686 9687 @Override 9688 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 9689 if (!sUserManager.exists(userId)) return true; 9690 PackageParser.Package p = filter.activity.owner; 9691 if (p != null) { 9692 PackageSetting ps = (PackageSetting)p.mExtras; 9693 if (ps != null) { 9694 // System apps are never considered stopped for purposes of 9695 // filtering, because there may be no way for the user to 9696 // actually re-launch them. 9697 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 9698 && ps.getStopped(userId); 9699 } 9700 } 9701 return false; 9702 } 9703 9704 @Override 9705 protected boolean isPackageForFilter(String packageName, 9706 PackageParser.ActivityIntentInfo info) { 9707 return packageName.equals(info.activity.owner.packageName); 9708 } 9709 9710 @Override 9711 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 9712 int match, int userId) { 9713 if (!sUserManager.exists(userId)) return null; 9714 if (!mSettings.isEnabledAndMatchLPr(info.activity.info, mFlags, userId)) { 9715 return null; 9716 } 9717 final PackageParser.Activity activity = info.activity; 9718 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 9719 if (ps == null) { 9720 return null; 9721 } 9722 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 9723 ps.readUserState(userId), userId); 9724 if (ai == null) { 9725 return null; 9726 } 9727 final ResolveInfo res = new ResolveInfo(); 9728 res.activityInfo = ai; 9729 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 9730 res.filter = info; 9731 } 9732 if (info != null) { 9733 res.handleAllWebDataURI = info.handleAllWebDataURI(); 9734 } 9735 res.priority = info.getPriority(); 9736 res.preferredOrder = activity.owner.mPreferredOrder; 9737 //System.out.println("Result: " + res.activityInfo.className + 9738 // " = " + res.priority); 9739 res.match = match; 9740 res.isDefault = info.hasDefault; 9741 res.labelRes = info.labelRes; 9742 res.nonLocalizedLabel = info.nonLocalizedLabel; 9743 if (userNeedsBadging(userId)) { 9744 res.noResourceId = true; 9745 } else { 9746 res.icon = info.icon; 9747 } 9748 res.iconResourceId = info.icon; 9749 res.system = res.activityInfo.applicationInfo.isSystemApp(); 9750 return res; 9751 } 9752 9753 @Override 9754 protected void sortResults(List<ResolveInfo> results) { 9755 Collections.sort(results, mResolvePrioritySorter); 9756 } 9757 9758 @Override 9759 protected void dumpFilter(PrintWriter out, String prefix, 9760 PackageParser.ActivityIntentInfo filter) { 9761 out.print(prefix); out.print( 9762 Integer.toHexString(System.identityHashCode(filter.activity))); 9763 out.print(' '); 9764 filter.activity.printComponentShortName(out); 9765 out.print(" filter "); 9766 out.println(Integer.toHexString(System.identityHashCode(filter))); 9767 } 9768 9769 @Override 9770 protected Object filterToLabel(PackageParser.ActivityIntentInfo filter) { 9771 return filter.activity; 9772 } 9773 9774 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 9775 PackageParser.Activity activity = (PackageParser.Activity)label; 9776 out.print(prefix); out.print( 9777 Integer.toHexString(System.identityHashCode(activity))); 9778 out.print(' '); 9779 activity.printComponentShortName(out); 9780 if (count > 1) { 9781 out.print(" ("); out.print(count); out.print(" filters)"); 9782 } 9783 out.println(); 9784 } 9785 9786// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 9787// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 9788// final List<ResolveInfo> retList = Lists.newArrayList(); 9789// while (i.hasNext()) { 9790// final ResolveInfo resolveInfo = i.next(); 9791// if (isEnabledLP(resolveInfo.activityInfo)) { 9792// retList.add(resolveInfo); 9793// } 9794// } 9795// return retList; 9796// } 9797 9798 // Keys are String (activity class name), values are Activity. 9799 private final ArrayMap<ComponentName, PackageParser.Activity> mActivities 9800 = new ArrayMap<ComponentName, PackageParser.Activity>(); 9801 private int mFlags; 9802 } 9803 9804 private final class ServiceIntentResolver 9805 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 9806 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 9807 boolean defaultOnly, int userId) { 9808 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 9809 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 9810 } 9811 9812 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 9813 int userId) { 9814 if (!sUserManager.exists(userId)) return null; 9815 mFlags = flags; 9816 return super.queryIntent(intent, resolvedType, 9817 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 9818 } 9819 9820 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 9821 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 9822 if (!sUserManager.exists(userId)) return null; 9823 if (packageServices == null) { 9824 return null; 9825 } 9826 mFlags = flags; 9827 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 9828 final int N = packageServices.size(); 9829 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 9830 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 9831 9832 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 9833 for (int i = 0; i < N; ++i) { 9834 intentFilters = packageServices.get(i).intents; 9835 if (intentFilters != null && intentFilters.size() > 0) { 9836 PackageParser.ServiceIntentInfo[] array = 9837 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 9838 intentFilters.toArray(array); 9839 listCut.add(array); 9840 } 9841 } 9842 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 9843 } 9844 9845 public final void addService(PackageParser.Service s) { 9846 mServices.put(s.getComponentName(), s); 9847 if (DEBUG_SHOW_INFO) { 9848 Log.v(TAG, " " 9849 + (s.info.nonLocalizedLabel != null 9850 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 9851 Log.v(TAG, " Class=" + s.info.name); 9852 } 9853 final int NI = s.intents.size(); 9854 int j; 9855 for (j=0; j<NI; j++) { 9856 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 9857 if (DEBUG_SHOW_INFO) { 9858 Log.v(TAG, " IntentFilter:"); 9859 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 9860 } 9861 if (!intent.debugCheck()) { 9862 Log.w(TAG, "==> For Service " + s.info.name); 9863 } 9864 addFilter(intent); 9865 } 9866 } 9867 9868 public final void removeService(PackageParser.Service s) { 9869 mServices.remove(s.getComponentName()); 9870 if (DEBUG_SHOW_INFO) { 9871 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 9872 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 9873 Log.v(TAG, " Class=" + s.info.name); 9874 } 9875 final int NI = s.intents.size(); 9876 int j; 9877 for (j=0; j<NI; j++) { 9878 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 9879 if (DEBUG_SHOW_INFO) { 9880 Log.v(TAG, " IntentFilter:"); 9881 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 9882 } 9883 removeFilter(intent); 9884 } 9885 } 9886 9887 @Override 9888 protected boolean allowFilterResult( 9889 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 9890 ServiceInfo filterSi = filter.service.info; 9891 for (int i=dest.size()-1; i>=0; i--) { 9892 ServiceInfo destAi = dest.get(i).serviceInfo; 9893 if (destAi.name == filterSi.name 9894 && destAi.packageName == filterSi.packageName) { 9895 return false; 9896 } 9897 } 9898 return true; 9899 } 9900 9901 @Override 9902 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 9903 return new PackageParser.ServiceIntentInfo[size]; 9904 } 9905 9906 @Override 9907 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 9908 if (!sUserManager.exists(userId)) return true; 9909 PackageParser.Package p = filter.service.owner; 9910 if (p != null) { 9911 PackageSetting ps = (PackageSetting)p.mExtras; 9912 if (ps != null) { 9913 // System apps are never considered stopped for purposes of 9914 // filtering, because there may be no way for the user to 9915 // actually re-launch them. 9916 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 9917 && ps.getStopped(userId); 9918 } 9919 } 9920 return false; 9921 } 9922 9923 @Override 9924 protected boolean isPackageForFilter(String packageName, 9925 PackageParser.ServiceIntentInfo info) { 9926 return packageName.equals(info.service.owner.packageName); 9927 } 9928 9929 @Override 9930 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 9931 int match, int userId) { 9932 if (!sUserManager.exists(userId)) return null; 9933 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 9934 if (!mSettings.isEnabledAndMatchLPr(info.service.info, mFlags, userId)) { 9935 return null; 9936 } 9937 final PackageParser.Service service = info.service; 9938 PackageSetting ps = (PackageSetting) service.owner.mExtras; 9939 if (ps == null) { 9940 return null; 9941 } 9942 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 9943 ps.readUserState(userId), userId); 9944 if (si == null) { 9945 return null; 9946 } 9947 final ResolveInfo res = new ResolveInfo(); 9948 res.serviceInfo = si; 9949 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 9950 res.filter = filter; 9951 } 9952 res.priority = info.getPriority(); 9953 res.preferredOrder = service.owner.mPreferredOrder; 9954 res.match = match; 9955 res.isDefault = info.hasDefault; 9956 res.labelRes = info.labelRes; 9957 res.nonLocalizedLabel = info.nonLocalizedLabel; 9958 res.icon = info.icon; 9959 res.system = res.serviceInfo.applicationInfo.isSystemApp(); 9960 return res; 9961 } 9962 9963 @Override 9964 protected void sortResults(List<ResolveInfo> results) { 9965 Collections.sort(results, mResolvePrioritySorter); 9966 } 9967 9968 @Override 9969 protected void dumpFilter(PrintWriter out, String prefix, 9970 PackageParser.ServiceIntentInfo filter) { 9971 out.print(prefix); out.print( 9972 Integer.toHexString(System.identityHashCode(filter.service))); 9973 out.print(' '); 9974 filter.service.printComponentShortName(out); 9975 out.print(" filter "); 9976 out.println(Integer.toHexString(System.identityHashCode(filter))); 9977 } 9978 9979 @Override 9980 protected Object filterToLabel(PackageParser.ServiceIntentInfo filter) { 9981 return filter.service; 9982 } 9983 9984 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 9985 PackageParser.Service service = (PackageParser.Service)label; 9986 out.print(prefix); out.print( 9987 Integer.toHexString(System.identityHashCode(service))); 9988 out.print(' '); 9989 service.printComponentShortName(out); 9990 if (count > 1) { 9991 out.print(" ("); out.print(count); out.print(" filters)"); 9992 } 9993 out.println(); 9994 } 9995 9996// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 9997// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 9998// final List<ResolveInfo> retList = Lists.newArrayList(); 9999// while (i.hasNext()) { 10000// final ResolveInfo resolveInfo = (ResolveInfo) i; 10001// if (isEnabledLP(resolveInfo.serviceInfo)) { 10002// retList.add(resolveInfo); 10003// } 10004// } 10005// return retList; 10006// } 10007 10008 // Keys are String (activity class name), values are Activity. 10009 private final ArrayMap<ComponentName, PackageParser.Service> mServices 10010 = new ArrayMap<ComponentName, PackageParser.Service>(); 10011 private int mFlags; 10012 }; 10013 10014 private final class ProviderIntentResolver 10015 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 10016 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 10017 boolean defaultOnly, int userId) { 10018 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 10019 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 10020 } 10021 10022 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 10023 int userId) { 10024 if (!sUserManager.exists(userId)) 10025 return null; 10026 mFlags = flags; 10027 return super.queryIntent(intent, resolvedType, 10028 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 10029 } 10030 10031 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 10032 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 10033 if (!sUserManager.exists(userId)) 10034 return null; 10035 if (packageProviders == null) { 10036 return null; 10037 } 10038 mFlags = flags; 10039 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 10040 final int N = packageProviders.size(); 10041 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 10042 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 10043 10044 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 10045 for (int i = 0; i < N; ++i) { 10046 intentFilters = packageProviders.get(i).intents; 10047 if (intentFilters != null && intentFilters.size() > 0) { 10048 PackageParser.ProviderIntentInfo[] array = 10049 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 10050 intentFilters.toArray(array); 10051 listCut.add(array); 10052 } 10053 } 10054 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 10055 } 10056 10057 public final void addProvider(PackageParser.Provider p) { 10058 if (mProviders.containsKey(p.getComponentName())) { 10059 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 10060 return; 10061 } 10062 10063 mProviders.put(p.getComponentName(), p); 10064 if (DEBUG_SHOW_INFO) { 10065 Log.v(TAG, " " 10066 + (p.info.nonLocalizedLabel != null 10067 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 10068 Log.v(TAG, " Class=" + p.info.name); 10069 } 10070 final int NI = p.intents.size(); 10071 int j; 10072 for (j = 0; j < NI; j++) { 10073 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 10074 if (DEBUG_SHOW_INFO) { 10075 Log.v(TAG, " IntentFilter:"); 10076 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10077 } 10078 if (!intent.debugCheck()) { 10079 Log.w(TAG, "==> For Provider " + p.info.name); 10080 } 10081 addFilter(intent); 10082 } 10083 } 10084 10085 public final void removeProvider(PackageParser.Provider p) { 10086 mProviders.remove(p.getComponentName()); 10087 if (DEBUG_SHOW_INFO) { 10088 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 10089 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 10090 Log.v(TAG, " Class=" + p.info.name); 10091 } 10092 final int NI = p.intents.size(); 10093 int j; 10094 for (j = 0; j < NI; j++) { 10095 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 10096 if (DEBUG_SHOW_INFO) { 10097 Log.v(TAG, " IntentFilter:"); 10098 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10099 } 10100 removeFilter(intent); 10101 } 10102 } 10103 10104 @Override 10105 protected boolean allowFilterResult( 10106 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 10107 ProviderInfo filterPi = filter.provider.info; 10108 for (int i = dest.size() - 1; i >= 0; i--) { 10109 ProviderInfo destPi = dest.get(i).providerInfo; 10110 if (destPi.name == filterPi.name 10111 && destPi.packageName == filterPi.packageName) { 10112 return false; 10113 } 10114 } 10115 return true; 10116 } 10117 10118 @Override 10119 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 10120 return new PackageParser.ProviderIntentInfo[size]; 10121 } 10122 10123 @Override 10124 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 10125 if (!sUserManager.exists(userId)) 10126 return true; 10127 PackageParser.Package p = filter.provider.owner; 10128 if (p != null) { 10129 PackageSetting ps = (PackageSetting) p.mExtras; 10130 if (ps != null) { 10131 // System apps are never considered stopped for purposes of 10132 // filtering, because there may be no way for the user to 10133 // actually re-launch them. 10134 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 10135 && ps.getStopped(userId); 10136 } 10137 } 10138 return false; 10139 } 10140 10141 @Override 10142 protected boolean isPackageForFilter(String packageName, 10143 PackageParser.ProviderIntentInfo info) { 10144 return packageName.equals(info.provider.owner.packageName); 10145 } 10146 10147 @Override 10148 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 10149 int match, int userId) { 10150 if (!sUserManager.exists(userId)) 10151 return null; 10152 final PackageParser.ProviderIntentInfo info = filter; 10153 if (!mSettings.isEnabledAndMatchLPr(info.provider.info, mFlags, userId)) { 10154 return null; 10155 } 10156 final PackageParser.Provider provider = info.provider; 10157 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 10158 if (ps == null) { 10159 return null; 10160 } 10161 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 10162 ps.readUserState(userId), userId); 10163 if (pi == null) { 10164 return null; 10165 } 10166 final ResolveInfo res = new ResolveInfo(); 10167 res.providerInfo = pi; 10168 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 10169 res.filter = filter; 10170 } 10171 res.priority = info.getPriority(); 10172 res.preferredOrder = provider.owner.mPreferredOrder; 10173 res.match = match; 10174 res.isDefault = info.hasDefault; 10175 res.labelRes = info.labelRes; 10176 res.nonLocalizedLabel = info.nonLocalizedLabel; 10177 res.icon = info.icon; 10178 res.system = res.providerInfo.applicationInfo.isSystemApp(); 10179 return res; 10180 } 10181 10182 @Override 10183 protected void sortResults(List<ResolveInfo> results) { 10184 Collections.sort(results, mResolvePrioritySorter); 10185 } 10186 10187 @Override 10188 protected void dumpFilter(PrintWriter out, String prefix, 10189 PackageParser.ProviderIntentInfo filter) { 10190 out.print(prefix); 10191 out.print( 10192 Integer.toHexString(System.identityHashCode(filter.provider))); 10193 out.print(' '); 10194 filter.provider.printComponentShortName(out); 10195 out.print(" filter "); 10196 out.println(Integer.toHexString(System.identityHashCode(filter))); 10197 } 10198 10199 @Override 10200 protected Object filterToLabel(PackageParser.ProviderIntentInfo filter) { 10201 return filter.provider; 10202 } 10203 10204 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 10205 PackageParser.Provider provider = (PackageParser.Provider)label; 10206 out.print(prefix); out.print( 10207 Integer.toHexString(System.identityHashCode(provider))); 10208 out.print(' '); 10209 provider.printComponentShortName(out); 10210 if (count > 1) { 10211 out.print(" ("); out.print(count); out.print(" filters)"); 10212 } 10213 out.println(); 10214 } 10215 10216 private final ArrayMap<ComponentName, PackageParser.Provider> mProviders 10217 = new ArrayMap<ComponentName, PackageParser.Provider>(); 10218 private int mFlags; 10219 } 10220 10221 private static final class EphemeralIntentResolver 10222 extends IntentResolver<EphemeralResolveIntentInfo, EphemeralResolveInfo> { 10223 @Override 10224 protected EphemeralResolveIntentInfo[] newArray(int size) { 10225 return new EphemeralResolveIntentInfo[size]; 10226 } 10227 10228 @Override 10229 protected boolean isPackageForFilter(String packageName, EphemeralResolveIntentInfo info) { 10230 return true; 10231 } 10232 10233 @Override 10234 protected EphemeralResolveInfo newResult(EphemeralResolveIntentInfo info, int match, 10235 int userId) { 10236 if (!sUserManager.exists(userId)) { 10237 return null; 10238 } 10239 return info.getEphemeralResolveInfo(); 10240 } 10241 } 10242 10243 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 10244 new Comparator<ResolveInfo>() { 10245 public int compare(ResolveInfo r1, ResolveInfo r2) { 10246 int v1 = r1.priority; 10247 int v2 = r2.priority; 10248 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 10249 if (v1 != v2) { 10250 return (v1 > v2) ? -1 : 1; 10251 } 10252 v1 = r1.preferredOrder; 10253 v2 = r2.preferredOrder; 10254 if (v1 != v2) { 10255 return (v1 > v2) ? -1 : 1; 10256 } 10257 if (r1.isDefault != r2.isDefault) { 10258 return r1.isDefault ? -1 : 1; 10259 } 10260 v1 = r1.match; 10261 v2 = r2.match; 10262 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 10263 if (v1 != v2) { 10264 return (v1 > v2) ? -1 : 1; 10265 } 10266 if (r1.system != r2.system) { 10267 return r1.system ? -1 : 1; 10268 } 10269 if (r1.activityInfo != null) { 10270 return r1.activityInfo.packageName.compareTo(r2.activityInfo.packageName); 10271 } 10272 if (r1.serviceInfo != null) { 10273 return r1.serviceInfo.packageName.compareTo(r2.serviceInfo.packageName); 10274 } 10275 if (r1.providerInfo != null) { 10276 return r1.providerInfo.packageName.compareTo(r2.providerInfo.packageName); 10277 } 10278 return 0; 10279 } 10280 }; 10281 10282 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 10283 new Comparator<ProviderInfo>() { 10284 public int compare(ProviderInfo p1, ProviderInfo p2) { 10285 final int v1 = p1.initOrder; 10286 final int v2 = p2.initOrder; 10287 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 10288 } 10289 }; 10290 10291 final void sendPackageBroadcast(final String action, final String pkg, final Bundle extras, 10292 final int flags, final String targetPkg, final IIntentReceiver finishedReceiver, 10293 final int[] userIds) { 10294 mHandler.post(new Runnable() { 10295 @Override 10296 public void run() { 10297 try { 10298 final IActivityManager am = ActivityManagerNative.getDefault(); 10299 if (am == null) return; 10300 final int[] resolvedUserIds; 10301 if (userIds == null) { 10302 resolvedUserIds = am.getRunningUserIds(); 10303 } else { 10304 resolvedUserIds = userIds; 10305 } 10306 for (int id : resolvedUserIds) { 10307 final Intent intent = new Intent(action, 10308 pkg != null ? Uri.fromParts("package", pkg, null) : null); 10309 if (extras != null) { 10310 intent.putExtras(extras); 10311 } 10312 if (targetPkg != null) { 10313 intent.setPackage(targetPkg); 10314 } 10315 // Modify the UID when posting to other users 10316 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 10317 if (uid > 0 && UserHandle.getUserId(uid) != id) { 10318 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 10319 intent.putExtra(Intent.EXTRA_UID, uid); 10320 } 10321 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 10322 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT | flags); 10323 if (DEBUG_BROADCASTS) { 10324 RuntimeException here = new RuntimeException("here"); 10325 here.fillInStackTrace(); 10326 Slog.d(TAG, "Sending to user " + id + ": " 10327 + intent.toShortString(false, true, false, false) 10328 + " " + intent.getExtras(), here); 10329 } 10330 am.broadcastIntent(null, intent, null, finishedReceiver, 10331 0, null, null, null, android.app.AppOpsManager.OP_NONE, 10332 null, finishedReceiver != null, false, id); 10333 } 10334 } catch (RemoteException ex) { 10335 } 10336 } 10337 }); 10338 } 10339 10340 /** 10341 * Check if the external storage media is available. This is true if there 10342 * is a mounted external storage medium or if the external storage is 10343 * emulated. 10344 */ 10345 private boolean isExternalMediaAvailable() { 10346 return mMediaMounted || Environment.isExternalStorageEmulated(); 10347 } 10348 10349 @Override 10350 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 10351 // writer 10352 synchronized (mPackages) { 10353 if (!isExternalMediaAvailable()) { 10354 // If the external storage is no longer mounted at this point, 10355 // the caller may not have been able to delete all of this 10356 // packages files and can not delete any more. Bail. 10357 return null; 10358 } 10359 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 10360 if (lastPackage != null) { 10361 pkgs.remove(lastPackage); 10362 } 10363 if (pkgs.size() > 0) { 10364 return pkgs.get(0); 10365 } 10366 } 10367 return null; 10368 } 10369 10370 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 10371 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 10372 userId, andCode ? 1 : 0, packageName); 10373 if (mSystemReady) { 10374 msg.sendToTarget(); 10375 } else { 10376 if (mPostSystemReadyMessages == null) { 10377 mPostSystemReadyMessages = new ArrayList<>(); 10378 } 10379 mPostSystemReadyMessages.add(msg); 10380 } 10381 } 10382 10383 void startCleaningPackages() { 10384 // reader 10385 synchronized (mPackages) { 10386 if (!isExternalMediaAvailable()) { 10387 return; 10388 } 10389 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 10390 return; 10391 } 10392 } 10393 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 10394 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 10395 IActivityManager am = ActivityManagerNative.getDefault(); 10396 if (am != null) { 10397 try { 10398 am.startService(null, intent, null, mContext.getOpPackageName(), 10399 UserHandle.USER_SYSTEM); 10400 } catch (RemoteException e) { 10401 } 10402 } 10403 } 10404 10405 @Override 10406 public void installPackage(String originPath, IPackageInstallObserver2 observer, 10407 int installFlags, String installerPackageName, VerificationParams verificationParams, 10408 String packageAbiOverride) { 10409 installPackageAsUser(originPath, observer, installFlags, installerPackageName, 10410 verificationParams, packageAbiOverride, UserHandle.getCallingUserId()); 10411 } 10412 10413 @Override 10414 public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer, 10415 int installFlags, String installerPackageName, VerificationParams verificationParams, 10416 String packageAbiOverride, int userId) { 10417 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 10418 10419 final int callingUid = Binder.getCallingUid(); 10420 enforceCrossUserPermission(callingUid, userId, true, true, "installPackageAsUser"); 10421 10422 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 10423 try { 10424 if (observer != null) { 10425 observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null); 10426 } 10427 } catch (RemoteException re) { 10428 } 10429 return; 10430 } 10431 10432 if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) { 10433 installFlags |= PackageManager.INSTALL_FROM_ADB; 10434 10435 } else { 10436 // Caller holds INSTALL_PACKAGES permission, so we're less strict 10437 // about installerPackageName. 10438 10439 installFlags &= ~PackageManager.INSTALL_FROM_ADB; 10440 installFlags &= ~PackageManager.INSTALL_ALL_USERS; 10441 } 10442 10443 UserHandle user; 10444 if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) { 10445 user = UserHandle.ALL; 10446 } else { 10447 user = new UserHandle(userId); 10448 } 10449 10450 // Only system components can circumvent runtime permissions when installing. 10451 if ((installFlags & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0 10452 && mContext.checkCallingOrSelfPermission(Manifest.permission 10453 .INSTALL_GRANT_RUNTIME_PERMISSIONS) == PackageManager.PERMISSION_DENIED) { 10454 throw new SecurityException("You need the " 10455 + "android.permission.INSTALL_GRANT_RUNTIME_PERMISSIONS permission " 10456 + "to use the PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS flag"); 10457 } 10458 10459 verificationParams.setInstallerUid(callingUid); 10460 10461 final File originFile = new File(originPath); 10462 final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile); 10463 10464 final Message msg = mHandler.obtainMessage(INIT_COPY); 10465 final InstallParams params = new InstallParams(origin, null, observer, installFlags, 10466 installerPackageName, null, verificationParams, user, packageAbiOverride, null); 10467 params.setTraceMethod("installAsUser").setTraceCookie(System.identityHashCode(params)); 10468 msg.obj = params; 10469 10470 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installAsUser", 10471 System.identityHashCode(msg.obj)); 10472 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 10473 System.identityHashCode(msg.obj)); 10474 10475 mHandler.sendMessage(msg); 10476 } 10477 10478 void installStage(String packageName, File stagedDir, String stagedCid, 10479 IPackageInstallObserver2 observer, PackageInstaller.SessionParams sessionParams, 10480 String installerPackageName, int installerUid, UserHandle user) { 10481 if (DEBUG_EPHEMERAL) { 10482 if ((sessionParams.installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 10483 Slog.d(TAG, "Ephemeral install of " + packageName); 10484 } 10485 } 10486 final VerificationParams verifParams = new VerificationParams( 10487 null, sessionParams.originatingUri, sessionParams.referrerUri, 10488 sessionParams.originatingUid); 10489 verifParams.setInstallerUid(installerUid); 10490 10491 final OriginInfo origin; 10492 if (stagedDir != null) { 10493 origin = OriginInfo.fromStagedFile(stagedDir); 10494 } else { 10495 origin = OriginInfo.fromStagedContainer(stagedCid); 10496 } 10497 10498 final Message msg = mHandler.obtainMessage(INIT_COPY); 10499 final InstallParams params = new InstallParams(origin, null, observer, 10500 sessionParams.installFlags, installerPackageName, sessionParams.volumeUuid, 10501 verifParams, user, sessionParams.abiOverride, 10502 sessionParams.grantedRuntimePermissions); 10503 params.setTraceMethod("installStage").setTraceCookie(System.identityHashCode(params)); 10504 msg.obj = params; 10505 10506 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installStage", 10507 System.identityHashCode(msg.obj)); 10508 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 10509 System.identityHashCode(msg.obj)); 10510 10511 mHandler.sendMessage(msg); 10512 } 10513 10514 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, 10515 int userId) { 10516 final boolean isSystem = isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 10517 sendPackageAddedForUser(packageName, isSystem, pkgSetting.appId, userId); 10518 } 10519 10520 private void sendPackageAddedForUser(String packageName, boolean isSystem, 10521 int appId, int userId) { 10522 Bundle extras = new Bundle(1); 10523 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, appId)); 10524 10525 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 10526 packageName, extras, 0, null, null, new int[] {userId}); 10527 try { 10528 IActivityManager am = ActivityManagerNative.getDefault(); 10529 if (isSystem && am.isUserRunning(userId, 0)) { 10530 // The just-installed/enabled app is bundled on the system, so presumed 10531 // to be able to run automatically without needing an explicit launch. 10532 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 10533 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 10534 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 10535 .setPackage(packageName); 10536 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 10537 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 10538 } 10539 } catch (RemoteException e) { 10540 // shouldn't happen 10541 Slog.w(TAG, "Unable to bootstrap installed package", e); 10542 } 10543 } 10544 10545 @Override 10546 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 10547 int userId) { 10548 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 10549 PackageSetting pkgSetting; 10550 final int uid = Binder.getCallingUid(); 10551 enforceCrossUserPermission(uid, userId, true, true, 10552 "setApplicationHiddenSetting for user " + userId); 10553 10554 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 10555 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 10556 return false; 10557 } 10558 10559 long callingId = Binder.clearCallingIdentity(); 10560 try { 10561 boolean sendAdded = false; 10562 boolean sendRemoved = false; 10563 // writer 10564 synchronized (mPackages) { 10565 pkgSetting = mSettings.mPackages.get(packageName); 10566 if (pkgSetting == null) { 10567 return false; 10568 } 10569 if (pkgSetting.getHidden(userId) != hidden) { 10570 pkgSetting.setHidden(hidden, userId); 10571 mSettings.writePackageRestrictionsLPr(userId); 10572 if (hidden) { 10573 sendRemoved = true; 10574 } else { 10575 sendAdded = true; 10576 } 10577 } 10578 } 10579 if (sendAdded) { 10580 sendPackageAddedForUser(packageName, pkgSetting, userId); 10581 return true; 10582 } 10583 if (sendRemoved) { 10584 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 10585 "hiding pkg"); 10586 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 10587 return true; 10588 } 10589 } finally { 10590 Binder.restoreCallingIdentity(callingId); 10591 } 10592 return false; 10593 } 10594 10595 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 10596 int userId) { 10597 final PackageRemovedInfo info = new PackageRemovedInfo(); 10598 info.removedPackage = packageName; 10599 info.removedUsers = new int[] {userId}; 10600 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 10601 info.sendPackageRemovedBroadcasts(); 10602 } 10603 10604 private void sendPackagesSuspendedForUser(String[] pkgList, int userId, boolean suspended) { 10605 if (pkgList.length > 0) { 10606 Bundle extras = new Bundle(1); 10607 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 10608 10609 sendPackageBroadcast( 10610 suspended ? Intent.ACTION_PACKAGES_SUSPENDED 10611 : Intent.ACTION_PACKAGES_UNSUSPENDED, 10612 null, extras, Intent.FLAG_RECEIVER_REGISTERED_ONLY, null, null, 10613 new int[] {userId}); 10614 } 10615 } 10616 10617 /** 10618 * Returns true if application is not found or there was an error. Otherwise it returns 10619 * the hidden state of the package for the given user. 10620 */ 10621 @Override 10622 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 10623 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 10624 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, 10625 false, "getApplicationHidden for user " + userId); 10626 PackageSetting pkgSetting; 10627 long callingId = Binder.clearCallingIdentity(); 10628 try { 10629 // writer 10630 synchronized (mPackages) { 10631 pkgSetting = mSettings.mPackages.get(packageName); 10632 if (pkgSetting == null) { 10633 return true; 10634 } 10635 return pkgSetting.getHidden(userId); 10636 } 10637 } finally { 10638 Binder.restoreCallingIdentity(callingId); 10639 } 10640 } 10641 10642 /** 10643 * @hide 10644 */ 10645 @Override 10646 public int installExistingPackageAsUser(String packageName, int userId) { 10647 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 10648 null); 10649 PackageSetting pkgSetting; 10650 final int uid = Binder.getCallingUid(); 10651 enforceCrossUserPermission(uid, userId, true, true, "installExistingPackage for user " 10652 + userId); 10653 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 10654 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 10655 } 10656 10657 long callingId = Binder.clearCallingIdentity(); 10658 try { 10659 boolean installed = false; 10660 10661 // writer 10662 synchronized (mPackages) { 10663 pkgSetting = mSettings.mPackages.get(packageName); 10664 if (pkgSetting == null) { 10665 return PackageManager.INSTALL_FAILED_INVALID_URI; 10666 } 10667 if (!pkgSetting.getInstalled(userId)) { 10668 pkgSetting.setInstalled(true, userId); 10669 pkgSetting.setHidden(false, userId); 10670 mSettings.writePackageRestrictionsLPr(userId); 10671 installed = true; 10672 } 10673 } 10674 10675 if (installed) { 10676 if (pkgSetting.pkg != null) { 10677 prepareAppDataAfterInstall(pkgSetting.pkg); 10678 } 10679 sendPackageAddedForUser(packageName, pkgSetting, userId); 10680 } 10681 } finally { 10682 Binder.restoreCallingIdentity(callingId); 10683 } 10684 10685 return PackageManager.INSTALL_SUCCEEDED; 10686 } 10687 10688 boolean isUserRestricted(int userId, String restrictionKey) { 10689 Bundle restrictions = sUserManager.getUserRestrictions(userId); 10690 if (restrictions.getBoolean(restrictionKey, false)) { 10691 Log.w(TAG, "User is restricted: " + restrictionKey); 10692 return true; 10693 } 10694 return false; 10695 } 10696 10697 @Override 10698 public String[] setPackagesSuspendedAsUser(String[] packageNames, boolean suspended, 10699 int userId) { 10700 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 10701 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, true, 10702 "setPackagesSuspended for user " + userId); 10703 10704 if (ArrayUtils.isEmpty(packageNames)) { 10705 return packageNames; 10706 } 10707 10708 // List of package names for whom the suspended state has changed. 10709 List<String> changedPackages = new ArrayList<>(packageNames.length); 10710 // List of package names for whom the suspended state is not set as requested in this 10711 // method. 10712 List<String> unactionedPackages = new ArrayList<>(packageNames.length); 10713 for (int i = 0; i < packageNames.length; i++) { 10714 String packageName = packageNames[i]; 10715 long callingId = Binder.clearCallingIdentity(); 10716 try { 10717 boolean changed = false; 10718 final int appId; 10719 synchronized (mPackages) { 10720 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 10721 if (pkgSetting == null) { 10722 Slog.w(TAG, "Could not find package setting for package \"" + packageName 10723 + "\". Skipping suspending/un-suspending."); 10724 unactionedPackages.add(packageName); 10725 continue; 10726 } 10727 appId = pkgSetting.appId; 10728 if (pkgSetting.getSuspended(userId) != suspended) { 10729 if (!canSuspendPackageForUserLocked(packageName, userId)) { 10730 unactionedPackages.add(packageName); 10731 continue; 10732 } 10733 pkgSetting.setSuspended(suspended, userId); 10734 mSettings.writePackageRestrictionsLPr(userId); 10735 changed = true; 10736 changedPackages.add(packageName); 10737 } 10738 } 10739 10740 if (changed && suspended) { 10741 killApplication(packageName, UserHandle.getUid(userId, appId), 10742 "suspending package"); 10743 } 10744 } finally { 10745 Binder.restoreCallingIdentity(callingId); 10746 } 10747 } 10748 10749 if (!changedPackages.isEmpty()) { 10750 sendPackagesSuspendedForUser(changedPackages.toArray( 10751 new String[changedPackages.size()]), userId, suspended); 10752 } 10753 10754 return unactionedPackages.toArray(new String[unactionedPackages.size()]); 10755 } 10756 10757 @Override 10758 public boolean isPackageSuspendedForUser(String packageName, int userId) { 10759 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, 10760 false, "isPackageSuspendedForUser for user " + userId); 10761 synchronized (mPackages) { 10762 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 10763 return pkgSetting != null && pkgSetting.getSuspended(userId); 10764 } 10765 } 10766 10767 // TODO: investigate and add more restrictions for suspending crucial packages. 10768 private boolean canSuspendPackageForUserLocked(String packageName, int userId) { 10769 if (isPackageDeviceAdmin(packageName, userId)) { 10770 Slog.w(TAG, "Not suspending/un-suspending package \"" + packageName 10771 + "\": has active device admin"); 10772 return false; 10773 } 10774 10775 String activeLauncherPackageName = getActiveLauncherPackageName(userId); 10776 if (packageName.equals(activeLauncherPackageName)) { 10777 Slog.w(TAG, "Not suspending/un-suspending package \"" + packageName 10778 + "\" because it is set as the active launcher"); 10779 return false; 10780 } 10781 10782 final PackageParser.Package pkg = mPackages.get(packageName); 10783 if (pkg != null && isPrivilegedApp(pkg)) { 10784 Slog.w(TAG, "Not suspending/un-suspending package \"" + packageName 10785 + "\" because it is a privileged app"); 10786 return false; 10787 } 10788 10789 return true; 10790 } 10791 10792 private String getActiveLauncherPackageName(int userId) { 10793 Intent intent = new Intent(Intent.ACTION_MAIN); 10794 intent.addCategory(Intent.CATEGORY_HOME); 10795 ResolveInfo resolveInfo = resolveIntent( 10796 intent, 10797 intent.resolveTypeIfNeeded(mContext.getContentResolver()), 10798 PackageManager.MATCH_DEFAULT_ONLY, 10799 userId); 10800 10801 return resolveInfo == null ? null : resolveInfo.activityInfo.packageName; 10802 } 10803 10804 @Override 10805 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 10806 mContext.enforceCallingOrSelfPermission( 10807 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 10808 "Only package verification agents can verify applications"); 10809 10810 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 10811 final PackageVerificationResponse response = new PackageVerificationResponse( 10812 verificationCode, Binder.getCallingUid()); 10813 msg.arg1 = id; 10814 msg.obj = response; 10815 mHandler.sendMessage(msg); 10816 } 10817 10818 @Override 10819 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 10820 long millisecondsToDelay) { 10821 mContext.enforceCallingOrSelfPermission( 10822 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 10823 "Only package verification agents can extend verification timeouts"); 10824 10825 final PackageVerificationState state = mPendingVerification.get(id); 10826 final PackageVerificationResponse response = new PackageVerificationResponse( 10827 verificationCodeAtTimeout, Binder.getCallingUid()); 10828 10829 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 10830 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 10831 } 10832 if (millisecondsToDelay < 0) { 10833 millisecondsToDelay = 0; 10834 } 10835 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 10836 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 10837 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 10838 } 10839 10840 if ((state != null) && !state.timeoutExtended()) { 10841 state.extendTimeout(); 10842 10843 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 10844 msg.arg1 = id; 10845 msg.obj = response; 10846 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 10847 } 10848 } 10849 10850 private void broadcastPackageVerified(int verificationId, Uri packageUri, 10851 int verificationCode, UserHandle user) { 10852 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 10853 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 10854 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 10855 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 10856 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 10857 10858 mContext.sendBroadcastAsUser(intent, user, 10859 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 10860 } 10861 10862 private ComponentName matchComponentForVerifier(String packageName, 10863 List<ResolveInfo> receivers) { 10864 ActivityInfo targetReceiver = null; 10865 10866 final int NR = receivers.size(); 10867 for (int i = 0; i < NR; i++) { 10868 final ResolveInfo info = receivers.get(i); 10869 if (info.activityInfo == null) { 10870 continue; 10871 } 10872 10873 if (packageName.equals(info.activityInfo.packageName)) { 10874 targetReceiver = info.activityInfo; 10875 break; 10876 } 10877 } 10878 10879 if (targetReceiver == null) { 10880 return null; 10881 } 10882 10883 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 10884 } 10885 10886 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 10887 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 10888 if (pkgInfo.verifiers.length == 0) { 10889 return null; 10890 } 10891 10892 final int N = pkgInfo.verifiers.length; 10893 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 10894 for (int i = 0; i < N; i++) { 10895 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 10896 10897 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 10898 receivers); 10899 if (comp == null) { 10900 continue; 10901 } 10902 10903 final int verifierUid = getUidForVerifier(verifierInfo); 10904 if (verifierUid == -1) { 10905 continue; 10906 } 10907 10908 if (DEBUG_VERIFY) { 10909 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 10910 + " with the correct signature"); 10911 } 10912 sufficientVerifiers.add(comp); 10913 verificationState.addSufficientVerifier(verifierUid); 10914 } 10915 10916 return sufficientVerifiers; 10917 } 10918 10919 private int getUidForVerifier(VerifierInfo verifierInfo) { 10920 synchronized (mPackages) { 10921 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 10922 if (pkg == null) { 10923 return -1; 10924 } else if (pkg.mSignatures.length != 1) { 10925 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 10926 + " has more than one signature; ignoring"); 10927 return -1; 10928 } 10929 10930 /* 10931 * If the public key of the package's signature does not match 10932 * our expected public key, then this is a different package and 10933 * we should skip. 10934 */ 10935 10936 final byte[] expectedPublicKey; 10937 try { 10938 final Signature verifierSig = pkg.mSignatures[0]; 10939 final PublicKey publicKey = verifierSig.getPublicKey(); 10940 expectedPublicKey = publicKey.getEncoded(); 10941 } catch (CertificateException e) { 10942 return -1; 10943 } 10944 10945 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 10946 10947 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 10948 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 10949 + " does not have the expected public key; ignoring"); 10950 return -1; 10951 } 10952 10953 return pkg.applicationInfo.uid; 10954 } 10955 } 10956 10957 @Override 10958 public void finishPackageInstall(int token) { 10959 enforceSystemOrRoot("Only the system is allowed to finish installs"); 10960 10961 if (DEBUG_INSTALL) { 10962 Slog.v(TAG, "BM finishing package install for " + token); 10963 } 10964 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 10965 10966 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 10967 mHandler.sendMessage(msg); 10968 } 10969 10970 /** 10971 * Get the verification agent timeout. 10972 * 10973 * @return verification timeout in milliseconds 10974 */ 10975 private long getVerificationTimeout() { 10976 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 10977 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 10978 DEFAULT_VERIFICATION_TIMEOUT); 10979 } 10980 10981 /** 10982 * Get the default verification agent response code. 10983 * 10984 * @return default verification response code 10985 */ 10986 private int getDefaultVerificationResponse() { 10987 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 10988 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 10989 DEFAULT_VERIFICATION_RESPONSE); 10990 } 10991 10992 /** 10993 * Check whether or not package verification has been enabled. 10994 * 10995 * @return true if verification should be performed 10996 */ 10997 private boolean isVerificationEnabled(int userId, int installFlags) { 10998 if (!DEFAULT_VERIFY_ENABLE) { 10999 return false; 11000 } 11001 // Ephemeral apps don't get the full verification treatment 11002 if ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 11003 if (DEBUG_EPHEMERAL) { 11004 Slog.d(TAG, "INSTALL_EPHEMERAL so skipping verification"); 11005 } 11006 return false; 11007 } 11008 11009 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 11010 11011 // Check if installing from ADB 11012 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 11013 // Do not run verification in a test harness environment 11014 if (ActivityManager.isRunningInTestHarness()) { 11015 return false; 11016 } 11017 if (ensureVerifyAppsEnabled) { 11018 return true; 11019 } 11020 // Check if the developer does not want package verification for ADB installs 11021 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 11022 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 11023 return false; 11024 } 11025 } 11026 11027 if (ensureVerifyAppsEnabled) { 11028 return true; 11029 } 11030 11031 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 11032 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 11033 } 11034 11035 @Override 11036 public void verifyIntentFilter(int id, int verificationCode, List<String> failedDomains) 11037 throws RemoteException { 11038 mContext.enforceCallingOrSelfPermission( 11039 Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 11040 "Only intentfilter verification agents can verify applications"); 11041 11042 final Message msg = mHandler.obtainMessage(INTENT_FILTER_VERIFIED); 11043 final IntentFilterVerificationResponse response = new IntentFilterVerificationResponse( 11044 Binder.getCallingUid(), verificationCode, failedDomains); 11045 msg.arg1 = id; 11046 msg.obj = response; 11047 mHandler.sendMessage(msg); 11048 } 11049 11050 @Override 11051 public int getIntentVerificationStatus(String packageName, int userId) { 11052 synchronized (mPackages) { 11053 return mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 11054 } 11055 } 11056 11057 @Override 11058 public boolean updateIntentVerificationStatus(String packageName, int status, int userId) { 11059 mContext.enforceCallingOrSelfPermission( 11060 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11061 11062 boolean result = false; 11063 synchronized (mPackages) { 11064 result = mSettings.updateIntentFilterVerificationStatusLPw(packageName, status, userId); 11065 } 11066 if (result) { 11067 scheduleWritePackageRestrictionsLocked(userId); 11068 } 11069 return result; 11070 } 11071 11072 @Override 11073 public List<IntentFilterVerificationInfo> getIntentFilterVerifications(String packageName) { 11074 synchronized (mPackages) { 11075 return mSettings.getIntentFilterVerificationsLPr(packageName); 11076 } 11077 } 11078 11079 @Override 11080 public List<IntentFilter> getAllIntentFilters(String packageName) { 11081 if (TextUtils.isEmpty(packageName)) { 11082 return Collections.<IntentFilter>emptyList(); 11083 } 11084 synchronized (mPackages) { 11085 PackageParser.Package pkg = mPackages.get(packageName); 11086 if (pkg == null || pkg.activities == null) { 11087 return Collections.<IntentFilter>emptyList(); 11088 } 11089 final int count = pkg.activities.size(); 11090 ArrayList<IntentFilter> result = new ArrayList<>(); 11091 for (int n=0; n<count; n++) { 11092 PackageParser.Activity activity = pkg.activities.get(n); 11093 if (activity.intents != null && activity.intents.size() > 0) { 11094 result.addAll(activity.intents); 11095 } 11096 } 11097 return result; 11098 } 11099 } 11100 11101 @Override 11102 public boolean setDefaultBrowserPackageName(String packageName, int userId) { 11103 mContext.enforceCallingOrSelfPermission( 11104 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11105 11106 synchronized (mPackages) { 11107 boolean result = mSettings.setDefaultBrowserPackageNameLPw(packageName, userId); 11108 if (packageName != null) { 11109 result |= updateIntentVerificationStatus(packageName, 11110 PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, 11111 userId); 11112 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultBrowserLPr( 11113 packageName, userId); 11114 } 11115 return result; 11116 } 11117 } 11118 11119 @Override 11120 public String getDefaultBrowserPackageName(int userId) { 11121 synchronized (mPackages) { 11122 return mSettings.getDefaultBrowserPackageNameLPw(userId); 11123 } 11124 } 11125 11126 /** 11127 * Get the "allow unknown sources" setting. 11128 * 11129 * @return the current "allow unknown sources" setting 11130 */ 11131 private int getUnknownSourcesSettings() { 11132 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 11133 android.provider.Settings.Global.INSTALL_NON_MARKET_APPS, 11134 -1); 11135 } 11136 11137 @Override 11138 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 11139 final int uid = Binder.getCallingUid(); 11140 // writer 11141 synchronized (mPackages) { 11142 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 11143 if (targetPackageSetting == null) { 11144 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 11145 } 11146 11147 PackageSetting installerPackageSetting; 11148 if (installerPackageName != null) { 11149 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 11150 if (installerPackageSetting == null) { 11151 throw new IllegalArgumentException("Unknown installer package: " 11152 + installerPackageName); 11153 } 11154 } else { 11155 installerPackageSetting = null; 11156 } 11157 11158 Signature[] callerSignature; 11159 Object obj = mSettings.getUserIdLPr(uid); 11160 if (obj != null) { 11161 if (obj instanceof SharedUserSetting) { 11162 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 11163 } else if (obj instanceof PackageSetting) { 11164 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 11165 } else { 11166 throw new SecurityException("Bad object " + obj + " for uid " + uid); 11167 } 11168 } else { 11169 throw new SecurityException("Unknown calling UID: " + uid); 11170 } 11171 11172 // Verify: can't set installerPackageName to a package that is 11173 // not signed with the same cert as the caller. 11174 if (installerPackageSetting != null) { 11175 if (compareSignatures(callerSignature, 11176 installerPackageSetting.signatures.mSignatures) 11177 != PackageManager.SIGNATURE_MATCH) { 11178 throw new SecurityException( 11179 "Caller does not have same cert as new installer package " 11180 + installerPackageName); 11181 } 11182 } 11183 11184 // Verify: if target already has an installer package, it must 11185 // be signed with the same cert as the caller. 11186 if (targetPackageSetting.installerPackageName != null) { 11187 PackageSetting setting = mSettings.mPackages.get( 11188 targetPackageSetting.installerPackageName); 11189 // If the currently set package isn't valid, then it's always 11190 // okay to change it. 11191 if (setting != null) { 11192 if (compareSignatures(callerSignature, 11193 setting.signatures.mSignatures) 11194 != PackageManager.SIGNATURE_MATCH) { 11195 throw new SecurityException( 11196 "Caller does not have same cert as old installer package " 11197 + targetPackageSetting.installerPackageName); 11198 } 11199 } 11200 } 11201 11202 // Okay! 11203 targetPackageSetting.installerPackageName = installerPackageName; 11204 scheduleWriteSettingsLocked(); 11205 } 11206 } 11207 11208 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 11209 // Queue up an async operation since the package installation may take a little while. 11210 mHandler.post(new Runnable() { 11211 public void run() { 11212 mHandler.removeCallbacks(this); 11213 // Result object to be returned 11214 PackageInstalledInfo res = new PackageInstalledInfo(); 11215 res.setReturnCode(currentStatus); 11216 res.uid = -1; 11217 res.pkg = null; 11218 res.removedInfo = null; 11219 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 11220 args.doPreInstall(res.returnCode); 11221 synchronized (mInstallLock) { 11222 installPackageTracedLI(args, res); 11223 } 11224 args.doPostInstall(res.returnCode, res.uid); 11225 } 11226 11227 // A restore should be performed at this point if (a) the install 11228 // succeeded, (b) the operation is not an update, and (c) the new 11229 // package has not opted out of backup participation. 11230 final boolean update = res.removedInfo != null 11231 && res.removedInfo.removedPackage != null; 11232 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 11233 boolean doRestore = !update 11234 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 11235 11236 // Set up the post-install work request bookkeeping. This will be used 11237 // and cleaned up by the post-install event handling regardless of whether 11238 // there's a restore pass performed. Token values are >= 1. 11239 int token; 11240 if (mNextInstallToken < 0) mNextInstallToken = 1; 11241 token = mNextInstallToken++; 11242 11243 PostInstallData data = new PostInstallData(args, res); 11244 mRunningInstalls.put(token, data); 11245 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 11246 11247 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 11248 // Pass responsibility to the Backup Manager. It will perform a 11249 // restore if appropriate, then pass responsibility back to the 11250 // Package Manager to run the post-install observer callbacks 11251 // and broadcasts. 11252 IBackupManager bm = IBackupManager.Stub.asInterface( 11253 ServiceManager.getService(Context.BACKUP_SERVICE)); 11254 if (bm != null) { 11255 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 11256 + " to BM for possible restore"); 11257 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 11258 try { 11259 // TODO: http://b/22388012 11260 if (bm.isBackupServiceActive(UserHandle.USER_SYSTEM)) { 11261 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 11262 } else { 11263 doRestore = false; 11264 } 11265 } catch (RemoteException e) { 11266 // can't happen; the backup manager is local 11267 } catch (Exception e) { 11268 Slog.e(TAG, "Exception trying to enqueue restore", e); 11269 doRestore = false; 11270 } 11271 } else { 11272 Slog.e(TAG, "Backup Manager not found!"); 11273 doRestore = false; 11274 } 11275 } 11276 11277 if (!doRestore) { 11278 // No restore possible, or the Backup Manager was mysteriously not 11279 // available -- just fire the post-install work request directly. 11280 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 11281 11282 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "postInstall", token); 11283 11284 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 11285 mHandler.sendMessage(msg); 11286 } 11287 } 11288 }); 11289 } 11290 11291 private abstract class HandlerParams { 11292 private static final int MAX_RETRIES = 4; 11293 11294 /** 11295 * Number of times startCopy() has been attempted and had a non-fatal 11296 * error. 11297 */ 11298 private int mRetries = 0; 11299 11300 /** User handle for the user requesting the information or installation. */ 11301 private final UserHandle mUser; 11302 String traceMethod; 11303 int traceCookie; 11304 11305 HandlerParams(UserHandle user) { 11306 mUser = user; 11307 } 11308 11309 UserHandle getUser() { 11310 return mUser; 11311 } 11312 11313 HandlerParams setTraceMethod(String traceMethod) { 11314 this.traceMethod = traceMethod; 11315 return this; 11316 } 11317 11318 HandlerParams setTraceCookie(int traceCookie) { 11319 this.traceCookie = traceCookie; 11320 return this; 11321 } 11322 11323 final boolean startCopy() { 11324 boolean res; 11325 try { 11326 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 11327 11328 if (++mRetries > MAX_RETRIES) { 11329 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 11330 mHandler.sendEmptyMessage(MCS_GIVE_UP); 11331 handleServiceError(); 11332 return false; 11333 } else { 11334 handleStartCopy(); 11335 res = true; 11336 } 11337 } catch (RemoteException e) { 11338 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 11339 mHandler.sendEmptyMessage(MCS_RECONNECT); 11340 res = false; 11341 } 11342 handleReturnCode(); 11343 return res; 11344 } 11345 11346 final void serviceError() { 11347 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 11348 handleServiceError(); 11349 handleReturnCode(); 11350 } 11351 11352 abstract void handleStartCopy() throws RemoteException; 11353 abstract void handleServiceError(); 11354 abstract void handleReturnCode(); 11355 } 11356 11357 class MeasureParams extends HandlerParams { 11358 private final PackageStats mStats; 11359 private boolean mSuccess; 11360 11361 private final IPackageStatsObserver mObserver; 11362 11363 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 11364 super(new UserHandle(stats.userHandle)); 11365 mObserver = observer; 11366 mStats = stats; 11367 } 11368 11369 @Override 11370 public String toString() { 11371 return "MeasureParams{" 11372 + Integer.toHexString(System.identityHashCode(this)) 11373 + " " + mStats.packageName + "}"; 11374 } 11375 11376 @Override 11377 void handleStartCopy() throws RemoteException { 11378 synchronized (mInstallLock) { 11379 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 11380 } 11381 11382 if (mSuccess) { 11383 final boolean mounted; 11384 if (Environment.isExternalStorageEmulated()) { 11385 mounted = true; 11386 } else { 11387 final String status = Environment.getExternalStorageState(); 11388 mounted = (Environment.MEDIA_MOUNTED.equals(status) 11389 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 11390 } 11391 11392 if (mounted) { 11393 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 11394 11395 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 11396 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 11397 11398 mStats.externalDataSize = calculateDirectorySize(mContainerService, 11399 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 11400 11401 // Always subtract cache size, since it's a subdirectory 11402 mStats.externalDataSize -= mStats.externalCacheSize; 11403 11404 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 11405 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 11406 11407 mStats.externalObbSize = calculateDirectorySize(mContainerService, 11408 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 11409 } 11410 } 11411 } 11412 11413 @Override 11414 void handleReturnCode() { 11415 if (mObserver != null) { 11416 try { 11417 mObserver.onGetStatsCompleted(mStats, mSuccess); 11418 } catch (RemoteException e) { 11419 Slog.i(TAG, "Observer no longer exists."); 11420 } 11421 } 11422 } 11423 11424 @Override 11425 void handleServiceError() { 11426 Slog.e(TAG, "Could not measure application " + mStats.packageName 11427 + " external storage"); 11428 } 11429 } 11430 11431 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 11432 throws RemoteException { 11433 long result = 0; 11434 for (File path : paths) { 11435 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 11436 } 11437 return result; 11438 } 11439 11440 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 11441 for (File path : paths) { 11442 try { 11443 mcs.clearDirectory(path.getAbsolutePath()); 11444 } catch (RemoteException e) { 11445 } 11446 } 11447 } 11448 11449 static class OriginInfo { 11450 /** 11451 * Location where install is coming from, before it has been 11452 * copied/renamed into place. This could be a single monolithic APK 11453 * file, or a cluster directory. This location may be untrusted. 11454 */ 11455 final File file; 11456 final String cid; 11457 11458 /** 11459 * Flag indicating that {@link #file} or {@link #cid} has already been 11460 * staged, meaning downstream users don't need to defensively copy the 11461 * contents. 11462 */ 11463 final boolean staged; 11464 11465 /** 11466 * Flag indicating that {@link #file} or {@link #cid} is an already 11467 * installed app that is being moved. 11468 */ 11469 final boolean existing; 11470 11471 final String resolvedPath; 11472 final File resolvedFile; 11473 11474 static OriginInfo fromNothing() { 11475 return new OriginInfo(null, null, false, false); 11476 } 11477 11478 static OriginInfo fromUntrustedFile(File file) { 11479 return new OriginInfo(file, null, false, false); 11480 } 11481 11482 static OriginInfo fromExistingFile(File file) { 11483 return new OriginInfo(file, null, false, true); 11484 } 11485 11486 static OriginInfo fromStagedFile(File file) { 11487 return new OriginInfo(file, null, true, false); 11488 } 11489 11490 static OriginInfo fromStagedContainer(String cid) { 11491 return new OriginInfo(null, cid, true, false); 11492 } 11493 11494 private OriginInfo(File file, String cid, boolean staged, boolean existing) { 11495 this.file = file; 11496 this.cid = cid; 11497 this.staged = staged; 11498 this.existing = existing; 11499 11500 if (cid != null) { 11501 resolvedPath = PackageHelper.getSdDir(cid); 11502 resolvedFile = new File(resolvedPath); 11503 } else if (file != null) { 11504 resolvedPath = file.getAbsolutePath(); 11505 resolvedFile = file; 11506 } else { 11507 resolvedPath = null; 11508 resolvedFile = null; 11509 } 11510 } 11511 } 11512 11513 static class MoveInfo { 11514 final int moveId; 11515 final String fromUuid; 11516 final String toUuid; 11517 final String packageName; 11518 final String dataAppName; 11519 final int appId; 11520 final String seinfo; 11521 final int targetSdkVersion; 11522 11523 public MoveInfo(int moveId, String fromUuid, String toUuid, String packageName, 11524 String dataAppName, int appId, String seinfo, int targetSdkVersion) { 11525 this.moveId = moveId; 11526 this.fromUuid = fromUuid; 11527 this.toUuid = toUuid; 11528 this.packageName = packageName; 11529 this.dataAppName = dataAppName; 11530 this.appId = appId; 11531 this.seinfo = seinfo; 11532 this.targetSdkVersion = targetSdkVersion; 11533 } 11534 } 11535 11536 class InstallParams extends HandlerParams { 11537 final OriginInfo origin; 11538 final MoveInfo move; 11539 final IPackageInstallObserver2 observer; 11540 int installFlags; 11541 final String installerPackageName; 11542 final String volumeUuid; 11543 final VerificationParams verificationParams; 11544 private InstallArgs mArgs; 11545 private int mRet; 11546 final String packageAbiOverride; 11547 final String[] grantedRuntimePermissions; 11548 11549 InstallParams(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 11550 int installFlags, String installerPackageName, String volumeUuid, 11551 VerificationParams verificationParams, UserHandle user, String packageAbiOverride, 11552 String[] grantedPermissions) { 11553 super(user); 11554 this.origin = origin; 11555 this.move = move; 11556 this.observer = observer; 11557 this.installFlags = installFlags; 11558 this.installerPackageName = installerPackageName; 11559 this.volumeUuid = volumeUuid; 11560 this.verificationParams = verificationParams; 11561 this.packageAbiOverride = packageAbiOverride; 11562 this.grantedRuntimePermissions = grantedPermissions; 11563 } 11564 11565 @Override 11566 public String toString() { 11567 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 11568 + " file=" + origin.file + " cid=" + origin.cid + "}"; 11569 } 11570 11571 private int installLocationPolicy(PackageInfoLite pkgLite) { 11572 String packageName = pkgLite.packageName; 11573 int installLocation = pkgLite.installLocation; 11574 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 11575 // reader 11576 synchronized (mPackages) { 11577 // Currently installed package which the new package is attempting to replace or 11578 // null if no such package is installed. 11579 PackageParser.Package installedPkg = mPackages.get(packageName); 11580 // Package which currently owns the data which the new package will own if installed. 11581 // If an app is unstalled while keeping data (e.g., adb uninstall -k), installedPkg 11582 // will be null whereas dataOwnerPkg will contain information about the package 11583 // which was uninstalled while keeping its data. 11584 PackageParser.Package dataOwnerPkg = installedPkg; 11585 if (dataOwnerPkg == null) { 11586 PackageSetting ps = mSettings.mPackages.get(packageName); 11587 if (ps != null) { 11588 dataOwnerPkg = ps.pkg; 11589 } 11590 } 11591 11592 if (dataOwnerPkg != null) { 11593 // If installed, the package will get access to data left on the device by its 11594 // predecessor. As a security measure, this is permited only if this is not a 11595 // version downgrade or if the predecessor package is marked as debuggable and 11596 // a downgrade is explicitly requested. 11597 if (((dataOwnerPkg.applicationInfo.flags & ApplicationInfo.FLAG_DEBUGGABLE) == 0) 11598 || ((installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) == 0)) { 11599 try { 11600 checkDowngrade(dataOwnerPkg, pkgLite); 11601 } catch (PackageManagerException e) { 11602 Slog.w(TAG, "Downgrade detected: " + e.getMessage()); 11603 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 11604 } 11605 } 11606 } 11607 11608 if (installedPkg != null) { 11609 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 11610 // Check for updated system application. 11611 if ((installedPkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 11612 if (onSd) { 11613 Slog.w(TAG, "Cannot install update to system app on sdcard"); 11614 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 11615 } 11616 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 11617 } else { 11618 if (onSd) { 11619 // Install flag overrides everything. 11620 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 11621 } 11622 // If current upgrade specifies particular preference 11623 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 11624 // Application explicitly specified internal. 11625 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 11626 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 11627 // App explictly prefers external. Let policy decide 11628 } else { 11629 // Prefer previous location 11630 if (isExternal(installedPkg)) { 11631 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 11632 } 11633 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 11634 } 11635 } 11636 } else { 11637 // Invalid install. Return error code 11638 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 11639 } 11640 } 11641 } 11642 // All the special cases have been taken care of. 11643 // Return result based on recommended install location. 11644 if (onSd) { 11645 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 11646 } 11647 return pkgLite.recommendedInstallLocation; 11648 } 11649 11650 /* 11651 * Invoke remote method to get package information and install 11652 * location values. Override install location based on default 11653 * policy if needed and then create install arguments based 11654 * on the install location. 11655 */ 11656 public void handleStartCopy() throws RemoteException { 11657 int ret = PackageManager.INSTALL_SUCCEEDED; 11658 11659 // If we're already staged, we've firmly committed to an install location 11660 if (origin.staged) { 11661 if (origin.file != null) { 11662 installFlags |= PackageManager.INSTALL_INTERNAL; 11663 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 11664 } else if (origin.cid != null) { 11665 installFlags |= PackageManager.INSTALL_EXTERNAL; 11666 installFlags &= ~PackageManager.INSTALL_INTERNAL; 11667 } else { 11668 throw new IllegalStateException("Invalid stage location"); 11669 } 11670 } 11671 11672 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 11673 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 11674 final boolean ephemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 11675 PackageInfoLite pkgLite = null; 11676 11677 if (onInt && onSd) { 11678 // Check if both bits are set. 11679 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 11680 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 11681 } else if (onSd && ephemeral) { 11682 Slog.w(TAG, "Conflicting flags specified for installing ephemeral on external"); 11683 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 11684 } else { 11685 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 11686 packageAbiOverride); 11687 11688 if (DEBUG_EPHEMERAL && ephemeral) { 11689 Slog.v(TAG, "pkgLite for install: " + pkgLite); 11690 } 11691 11692 /* 11693 * If we have too little free space, try to free cache 11694 * before giving up. 11695 */ 11696 if (!origin.staged && pkgLite.recommendedInstallLocation 11697 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 11698 // TODO: focus freeing disk space on the target device 11699 final StorageManager storage = StorageManager.from(mContext); 11700 final long lowThreshold = storage.getStorageLowBytes( 11701 Environment.getDataDirectory()); 11702 11703 final long sizeBytes = mContainerService.calculateInstalledSize( 11704 origin.resolvedPath, isForwardLocked(), packageAbiOverride); 11705 11706 try { 11707 mInstaller.freeCache(null, sizeBytes + lowThreshold); 11708 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 11709 installFlags, packageAbiOverride); 11710 } catch (InstallerException e) { 11711 Slog.w(TAG, "Failed to free cache", e); 11712 } 11713 11714 /* 11715 * The cache free must have deleted the file we 11716 * downloaded to install. 11717 * 11718 * TODO: fix the "freeCache" call to not delete 11719 * the file we care about. 11720 */ 11721 if (pkgLite.recommendedInstallLocation 11722 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 11723 pkgLite.recommendedInstallLocation 11724 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 11725 } 11726 } 11727 } 11728 11729 if (ret == PackageManager.INSTALL_SUCCEEDED) { 11730 int loc = pkgLite.recommendedInstallLocation; 11731 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 11732 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 11733 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 11734 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 11735 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 11736 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 11737 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 11738 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 11739 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 11740 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 11741 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 11742 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 11743 } else { 11744 // Override with defaults if needed. 11745 loc = installLocationPolicy(pkgLite); 11746 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 11747 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 11748 } else if (!onSd && !onInt) { 11749 // Override install location with flags 11750 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 11751 // Set the flag to install on external media. 11752 installFlags |= PackageManager.INSTALL_EXTERNAL; 11753 installFlags &= ~PackageManager.INSTALL_INTERNAL; 11754 } else if (loc == PackageHelper.RECOMMEND_INSTALL_EPHEMERAL) { 11755 if (DEBUG_EPHEMERAL) { 11756 Slog.v(TAG, "...setting INSTALL_EPHEMERAL install flag"); 11757 } 11758 installFlags |= PackageManager.INSTALL_EPHEMERAL; 11759 installFlags &= ~(PackageManager.INSTALL_EXTERNAL 11760 |PackageManager.INSTALL_INTERNAL); 11761 } else { 11762 // Make sure the flag for installing on external 11763 // media is unset 11764 installFlags |= PackageManager.INSTALL_INTERNAL; 11765 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 11766 } 11767 } 11768 } 11769 } 11770 11771 final InstallArgs args = createInstallArgs(this); 11772 mArgs = args; 11773 11774 if (ret == PackageManager.INSTALL_SUCCEEDED) { 11775 // TODO: http://b/22976637 11776 // Apps installed for "all" users use the device owner to verify the app 11777 UserHandle verifierUser = getUser(); 11778 if (verifierUser == UserHandle.ALL) { 11779 verifierUser = UserHandle.SYSTEM; 11780 } 11781 11782 /* 11783 * Determine if we have any installed package verifiers. If we 11784 * do, then we'll defer to them to verify the packages. 11785 */ 11786 final int requiredUid = mRequiredVerifierPackage == null ? -1 11787 : getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 11788 verifierUser.getIdentifier()); 11789 if (!origin.existing && requiredUid != -1 11790 && isVerificationEnabled(verifierUser.getIdentifier(), installFlags)) { 11791 final Intent verification = new Intent( 11792 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 11793 verification.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 11794 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 11795 PACKAGE_MIME_TYPE); 11796 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 11797 11798 // Query all live verifiers based on current user state 11799 final List<ResolveInfo> receivers = queryIntentReceivers(verification, 11800 PACKAGE_MIME_TYPE, 0, verifierUser.getIdentifier()); 11801 11802 if (DEBUG_VERIFY) { 11803 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 11804 + verification.toString() + " with " + pkgLite.verifiers.length 11805 + " optional verifiers"); 11806 } 11807 11808 final int verificationId = mPendingVerificationToken++; 11809 11810 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 11811 11812 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 11813 installerPackageName); 11814 11815 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 11816 installFlags); 11817 11818 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 11819 pkgLite.packageName); 11820 11821 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 11822 pkgLite.versionCode); 11823 11824 if (verificationParams != null) { 11825 if (verificationParams.getVerificationURI() != null) { 11826 verification.putExtra(PackageManager.EXTRA_VERIFICATION_URI, 11827 verificationParams.getVerificationURI()); 11828 } 11829 if (verificationParams.getOriginatingURI() != null) { 11830 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 11831 verificationParams.getOriginatingURI()); 11832 } 11833 if (verificationParams.getReferrer() != null) { 11834 verification.putExtra(Intent.EXTRA_REFERRER, 11835 verificationParams.getReferrer()); 11836 } 11837 if (verificationParams.getOriginatingUid() >= 0) { 11838 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 11839 verificationParams.getOriginatingUid()); 11840 } 11841 if (verificationParams.getInstallerUid() >= 0) { 11842 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 11843 verificationParams.getInstallerUid()); 11844 } 11845 } 11846 11847 final PackageVerificationState verificationState = new PackageVerificationState( 11848 requiredUid, args); 11849 11850 mPendingVerification.append(verificationId, verificationState); 11851 11852 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 11853 receivers, verificationState); 11854 11855 /* 11856 * If any sufficient verifiers were listed in the package 11857 * manifest, attempt to ask them. 11858 */ 11859 if (sufficientVerifiers != null) { 11860 final int N = sufficientVerifiers.size(); 11861 if (N == 0) { 11862 Slog.i(TAG, "Additional verifiers required, but none installed."); 11863 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 11864 } else { 11865 for (int i = 0; i < N; i++) { 11866 final ComponentName verifierComponent = sufficientVerifiers.get(i); 11867 11868 final Intent sufficientIntent = new Intent(verification); 11869 sufficientIntent.setComponent(verifierComponent); 11870 mContext.sendBroadcastAsUser(sufficientIntent, verifierUser); 11871 } 11872 } 11873 } 11874 11875 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 11876 mRequiredVerifierPackage, receivers); 11877 if (ret == PackageManager.INSTALL_SUCCEEDED 11878 && mRequiredVerifierPackage != null) { 11879 Trace.asyncTraceBegin( 11880 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 11881 /* 11882 * Send the intent to the required verification agent, 11883 * but only start the verification timeout after the 11884 * target BroadcastReceivers have run. 11885 */ 11886 verification.setComponent(requiredVerifierComponent); 11887 mContext.sendOrderedBroadcastAsUser(verification, verifierUser, 11888 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 11889 new BroadcastReceiver() { 11890 @Override 11891 public void onReceive(Context context, Intent intent) { 11892 final Message msg = mHandler 11893 .obtainMessage(CHECK_PENDING_VERIFICATION); 11894 msg.arg1 = verificationId; 11895 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 11896 } 11897 }, null, 0, null, null); 11898 11899 /* 11900 * We don't want the copy to proceed until verification 11901 * succeeds, so null out this field. 11902 */ 11903 mArgs = null; 11904 } 11905 } else { 11906 /* 11907 * No package verification is enabled, so immediately start 11908 * the remote call to initiate copy using temporary file. 11909 */ 11910 ret = args.copyApk(mContainerService, true); 11911 } 11912 } 11913 11914 mRet = ret; 11915 } 11916 11917 @Override 11918 void handleReturnCode() { 11919 // If mArgs is null, then MCS couldn't be reached. When it 11920 // reconnects, it will try again to install. At that point, this 11921 // will succeed. 11922 if (mArgs != null) { 11923 processPendingInstall(mArgs, mRet); 11924 } 11925 } 11926 11927 @Override 11928 void handleServiceError() { 11929 mArgs = createInstallArgs(this); 11930 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 11931 } 11932 11933 public boolean isForwardLocked() { 11934 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 11935 } 11936 } 11937 11938 /** 11939 * Used during creation of InstallArgs 11940 * 11941 * @param installFlags package installation flags 11942 * @return true if should be installed on external storage 11943 */ 11944 private static boolean installOnExternalAsec(int installFlags) { 11945 if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) { 11946 return false; 11947 } 11948 if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 11949 return true; 11950 } 11951 return false; 11952 } 11953 11954 /** 11955 * Used during creation of InstallArgs 11956 * 11957 * @param installFlags package installation flags 11958 * @return true if should be installed as forward locked 11959 */ 11960 private static boolean installForwardLocked(int installFlags) { 11961 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 11962 } 11963 11964 private InstallArgs createInstallArgs(InstallParams params) { 11965 if (params.move != null) { 11966 return new MoveInstallArgs(params); 11967 } else if (installOnExternalAsec(params.installFlags) || params.isForwardLocked()) { 11968 return new AsecInstallArgs(params); 11969 } else { 11970 return new FileInstallArgs(params); 11971 } 11972 } 11973 11974 /** 11975 * Create args that describe an existing installed package. Typically used 11976 * when cleaning up old installs, or used as a move source. 11977 */ 11978 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 11979 String resourcePath, String[] instructionSets) { 11980 final boolean isInAsec; 11981 if (installOnExternalAsec(installFlags)) { 11982 /* Apps on SD card are always in ASEC containers. */ 11983 isInAsec = true; 11984 } else if (installForwardLocked(installFlags) 11985 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 11986 /* 11987 * Forward-locked apps are only in ASEC containers if they're the 11988 * new style 11989 */ 11990 isInAsec = true; 11991 } else { 11992 isInAsec = false; 11993 } 11994 11995 if (isInAsec) { 11996 return new AsecInstallArgs(codePath, instructionSets, 11997 installOnExternalAsec(installFlags), installForwardLocked(installFlags)); 11998 } else { 11999 return new FileInstallArgs(codePath, resourcePath, instructionSets); 12000 } 12001 } 12002 12003 static abstract class InstallArgs { 12004 /** @see InstallParams#origin */ 12005 final OriginInfo origin; 12006 /** @see InstallParams#move */ 12007 final MoveInfo move; 12008 12009 final IPackageInstallObserver2 observer; 12010 // Always refers to PackageManager flags only 12011 final int installFlags; 12012 final String installerPackageName; 12013 final String volumeUuid; 12014 final UserHandle user; 12015 final String abiOverride; 12016 final String[] installGrantPermissions; 12017 /** If non-null, drop an async trace when the install completes */ 12018 final String traceMethod; 12019 final int traceCookie; 12020 12021 // The list of instruction sets supported by this app. This is currently 12022 // only used during the rmdex() phase to clean up resources. We can get rid of this 12023 // if we move dex files under the common app path. 12024 /* nullable */ String[] instructionSets; 12025 12026 InstallArgs(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 12027 int installFlags, String installerPackageName, String volumeUuid, 12028 UserHandle user, String[] instructionSets, 12029 String abiOverride, String[] installGrantPermissions, 12030 String traceMethod, int traceCookie) { 12031 this.origin = origin; 12032 this.move = move; 12033 this.installFlags = installFlags; 12034 this.observer = observer; 12035 this.installerPackageName = installerPackageName; 12036 this.volumeUuid = volumeUuid; 12037 this.user = user; 12038 this.instructionSets = instructionSets; 12039 this.abiOverride = abiOverride; 12040 this.installGrantPermissions = installGrantPermissions; 12041 this.traceMethod = traceMethod; 12042 this.traceCookie = traceCookie; 12043 } 12044 12045 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 12046 abstract int doPreInstall(int status); 12047 12048 /** 12049 * Rename package into final resting place. All paths on the given 12050 * scanned package should be updated to reflect the rename. 12051 */ 12052 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 12053 abstract int doPostInstall(int status, int uid); 12054 12055 /** @see PackageSettingBase#codePathString */ 12056 abstract String getCodePath(); 12057 /** @see PackageSettingBase#resourcePathString */ 12058 abstract String getResourcePath(); 12059 12060 // Need installer lock especially for dex file removal. 12061 abstract void cleanUpResourcesLI(); 12062 abstract boolean doPostDeleteLI(boolean delete); 12063 12064 /** 12065 * Called before the source arguments are copied. This is used mostly 12066 * for MoveParams when it needs to read the source file to put it in the 12067 * destination. 12068 */ 12069 int doPreCopy() { 12070 return PackageManager.INSTALL_SUCCEEDED; 12071 } 12072 12073 /** 12074 * Called after the source arguments are copied. This is used mostly for 12075 * MoveParams when it needs to read the source file to put it in the 12076 * destination. 12077 * 12078 * @return 12079 */ 12080 int doPostCopy(int uid) { 12081 return PackageManager.INSTALL_SUCCEEDED; 12082 } 12083 12084 protected boolean isFwdLocked() { 12085 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 12086 } 12087 12088 protected boolean isExternalAsec() { 12089 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 12090 } 12091 12092 protected boolean isEphemeral() { 12093 return (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 12094 } 12095 12096 UserHandle getUser() { 12097 return user; 12098 } 12099 } 12100 12101 private void removeDexFiles(List<String> allCodePaths, String[] instructionSets) { 12102 if (!allCodePaths.isEmpty()) { 12103 if (instructionSets == null) { 12104 throw new IllegalStateException("instructionSet == null"); 12105 } 12106 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 12107 for (String codePath : allCodePaths) { 12108 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 12109 try { 12110 mInstaller.rmdex(codePath, dexCodeInstructionSet); 12111 } catch (InstallerException ignored) { 12112 } 12113 } 12114 } 12115 } 12116 } 12117 12118 /** 12119 * Logic to handle installation of non-ASEC applications, including copying 12120 * and renaming logic. 12121 */ 12122 class FileInstallArgs extends InstallArgs { 12123 private File codeFile; 12124 private File resourceFile; 12125 12126 // Example topology: 12127 // /data/app/com.example/base.apk 12128 // /data/app/com.example/split_foo.apk 12129 // /data/app/com.example/lib/arm/libfoo.so 12130 // /data/app/com.example/lib/arm64/libfoo.so 12131 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 12132 12133 /** New install */ 12134 FileInstallArgs(InstallParams params) { 12135 super(params.origin, params.move, params.observer, params.installFlags, 12136 params.installerPackageName, params.volumeUuid, 12137 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 12138 params.grantedRuntimePermissions, 12139 params.traceMethod, params.traceCookie); 12140 if (isFwdLocked()) { 12141 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 12142 } 12143 } 12144 12145 /** Existing install */ 12146 FileInstallArgs(String codePath, String resourcePath, String[] instructionSets) { 12147 super(OriginInfo.fromNothing(), null, null, 0, null, null, null, instructionSets, 12148 null, null, null, 0); 12149 this.codeFile = (codePath != null) ? new File(codePath) : null; 12150 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 12151 } 12152 12153 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 12154 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyApk"); 12155 try { 12156 return doCopyApk(imcs, temp); 12157 } finally { 12158 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 12159 } 12160 } 12161 12162 private int doCopyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 12163 if (origin.staged) { 12164 if (DEBUG_INSTALL) Slog.d(TAG, origin.file + " already staged; skipping copy"); 12165 codeFile = origin.file; 12166 resourceFile = origin.file; 12167 return PackageManager.INSTALL_SUCCEEDED; 12168 } 12169 12170 try { 12171 final boolean isEphemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 12172 final File tempDir = 12173 mInstallerService.allocateStageDirLegacy(volumeUuid, isEphemeral); 12174 codeFile = tempDir; 12175 resourceFile = tempDir; 12176 } catch (IOException e) { 12177 Slog.w(TAG, "Failed to create copy file: " + e); 12178 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 12179 } 12180 12181 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 12182 @Override 12183 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 12184 if (!FileUtils.isValidExtFilename(name)) { 12185 throw new IllegalArgumentException("Invalid filename: " + name); 12186 } 12187 try { 12188 final File file = new File(codeFile, name); 12189 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 12190 O_RDWR | O_CREAT, 0644); 12191 Os.chmod(file.getAbsolutePath(), 0644); 12192 return new ParcelFileDescriptor(fd); 12193 } catch (ErrnoException e) { 12194 throw new RemoteException("Failed to open: " + e.getMessage()); 12195 } 12196 } 12197 }; 12198 12199 int ret = PackageManager.INSTALL_SUCCEEDED; 12200 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 12201 if (ret != PackageManager.INSTALL_SUCCEEDED) { 12202 Slog.e(TAG, "Failed to copy package"); 12203 return ret; 12204 } 12205 12206 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 12207 NativeLibraryHelper.Handle handle = null; 12208 try { 12209 handle = NativeLibraryHelper.Handle.create(codeFile); 12210 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 12211 abiOverride); 12212 } catch (IOException e) { 12213 Slog.e(TAG, "Copying native libraries failed", e); 12214 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 12215 } finally { 12216 IoUtils.closeQuietly(handle); 12217 } 12218 12219 return ret; 12220 } 12221 12222 int doPreInstall(int status) { 12223 if (status != PackageManager.INSTALL_SUCCEEDED) { 12224 cleanUp(); 12225 } 12226 return status; 12227 } 12228 12229 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 12230 if (status != PackageManager.INSTALL_SUCCEEDED) { 12231 cleanUp(); 12232 return false; 12233 } 12234 12235 final File targetDir = codeFile.getParentFile(); 12236 final File beforeCodeFile = codeFile; 12237 final File afterCodeFile = getNextCodePath(targetDir, pkg.packageName); 12238 12239 if (DEBUG_INSTALL) Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 12240 try { 12241 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 12242 } catch (ErrnoException e) { 12243 Slog.w(TAG, "Failed to rename", e); 12244 return false; 12245 } 12246 12247 if (!SELinux.restoreconRecursive(afterCodeFile)) { 12248 Slog.w(TAG, "Failed to restorecon"); 12249 return false; 12250 } 12251 12252 // Reflect the rename internally 12253 codeFile = afterCodeFile; 12254 resourceFile = afterCodeFile; 12255 12256 // Reflect the rename in scanned details 12257 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 12258 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 12259 afterCodeFile, pkg.baseCodePath)); 12260 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 12261 afterCodeFile, pkg.splitCodePaths)); 12262 12263 // Reflect the rename in app info 12264 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 12265 pkg.setApplicationInfoCodePath(pkg.codePath); 12266 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 12267 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 12268 pkg.setApplicationInfoResourcePath(pkg.codePath); 12269 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 12270 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 12271 12272 return true; 12273 } 12274 12275 int doPostInstall(int status, int uid) { 12276 if (status != PackageManager.INSTALL_SUCCEEDED) { 12277 cleanUp(); 12278 } 12279 return status; 12280 } 12281 12282 @Override 12283 String getCodePath() { 12284 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 12285 } 12286 12287 @Override 12288 String getResourcePath() { 12289 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 12290 } 12291 12292 private boolean cleanUp() { 12293 if (codeFile == null || !codeFile.exists()) { 12294 return false; 12295 } 12296 12297 removeCodePathLI(codeFile); 12298 12299 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 12300 resourceFile.delete(); 12301 } 12302 12303 return true; 12304 } 12305 12306 void cleanUpResourcesLI() { 12307 // Try enumerating all code paths before deleting 12308 List<String> allCodePaths = Collections.EMPTY_LIST; 12309 if (codeFile != null && codeFile.exists()) { 12310 try { 12311 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 12312 allCodePaths = pkg.getAllCodePaths(); 12313 } catch (PackageParserException e) { 12314 // Ignored; we tried our best 12315 } 12316 } 12317 12318 cleanUp(); 12319 removeDexFiles(allCodePaths, instructionSets); 12320 } 12321 12322 boolean doPostDeleteLI(boolean delete) { 12323 // XXX err, shouldn't we respect the delete flag? 12324 cleanUpResourcesLI(); 12325 return true; 12326 } 12327 } 12328 12329 private boolean isAsecExternal(String cid) { 12330 final String asecPath = PackageHelper.getSdFilesystem(cid); 12331 return !asecPath.startsWith(mAsecInternalPath); 12332 } 12333 12334 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 12335 PackageManagerException { 12336 if (copyRet < 0) { 12337 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 12338 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 12339 throw new PackageManagerException(copyRet, message); 12340 } 12341 } 12342 } 12343 12344 /** 12345 * Extract the MountService "container ID" from the full code path of an 12346 * .apk. 12347 */ 12348 static String cidFromCodePath(String fullCodePath) { 12349 int eidx = fullCodePath.lastIndexOf("/"); 12350 String subStr1 = fullCodePath.substring(0, eidx); 12351 int sidx = subStr1.lastIndexOf("/"); 12352 return subStr1.substring(sidx+1, eidx); 12353 } 12354 12355 /** 12356 * Logic to handle installation of ASEC applications, including copying and 12357 * renaming logic. 12358 */ 12359 class AsecInstallArgs extends InstallArgs { 12360 static final String RES_FILE_NAME = "pkg.apk"; 12361 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 12362 12363 String cid; 12364 String packagePath; 12365 String resourcePath; 12366 12367 /** New install */ 12368 AsecInstallArgs(InstallParams params) { 12369 super(params.origin, params.move, params.observer, params.installFlags, 12370 params.installerPackageName, params.volumeUuid, 12371 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 12372 params.grantedRuntimePermissions, 12373 params.traceMethod, params.traceCookie); 12374 } 12375 12376 /** Existing install */ 12377 AsecInstallArgs(String fullCodePath, String[] instructionSets, 12378 boolean isExternal, boolean isForwardLocked) { 12379 super(OriginInfo.fromNothing(), null, null, (isExternal ? INSTALL_EXTERNAL : 0) 12380 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 12381 instructionSets, null, null, null, 0); 12382 // Hackily pretend we're still looking at a full code path 12383 if (!fullCodePath.endsWith(RES_FILE_NAME)) { 12384 fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath(); 12385 } 12386 12387 // Extract cid from fullCodePath 12388 int eidx = fullCodePath.lastIndexOf("/"); 12389 String subStr1 = fullCodePath.substring(0, eidx); 12390 int sidx = subStr1.lastIndexOf("/"); 12391 cid = subStr1.substring(sidx+1, eidx); 12392 setMountPath(subStr1); 12393 } 12394 12395 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) { 12396 super(OriginInfo.fromNothing(), null, null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 12397 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 12398 instructionSets, null, null, null, 0); 12399 this.cid = cid; 12400 setMountPath(PackageHelper.getSdDir(cid)); 12401 } 12402 12403 void createCopyFile() { 12404 cid = mInstallerService.allocateExternalStageCidLegacy(); 12405 } 12406 12407 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 12408 if (origin.staged && origin.cid != null) { 12409 if (DEBUG_INSTALL) Slog.d(TAG, origin.cid + " already staged; skipping copy"); 12410 cid = origin.cid; 12411 setMountPath(PackageHelper.getSdDir(cid)); 12412 return PackageManager.INSTALL_SUCCEEDED; 12413 } 12414 12415 if (temp) { 12416 createCopyFile(); 12417 } else { 12418 /* 12419 * Pre-emptively destroy the container since it's destroyed if 12420 * copying fails due to it existing anyway. 12421 */ 12422 PackageHelper.destroySdDir(cid); 12423 } 12424 12425 final String newMountPath = imcs.copyPackageToContainer( 12426 origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternalAsec(), 12427 isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */)); 12428 12429 if (newMountPath != null) { 12430 setMountPath(newMountPath); 12431 return PackageManager.INSTALL_SUCCEEDED; 12432 } else { 12433 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 12434 } 12435 } 12436 12437 @Override 12438 String getCodePath() { 12439 return packagePath; 12440 } 12441 12442 @Override 12443 String getResourcePath() { 12444 return resourcePath; 12445 } 12446 12447 int doPreInstall(int status) { 12448 if (status != PackageManager.INSTALL_SUCCEEDED) { 12449 // Destroy container 12450 PackageHelper.destroySdDir(cid); 12451 } else { 12452 boolean mounted = PackageHelper.isContainerMounted(cid); 12453 if (!mounted) { 12454 String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(), 12455 Process.SYSTEM_UID); 12456 if (newMountPath != null) { 12457 setMountPath(newMountPath); 12458 } else { 12459 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 12460 } 12461 } 12462 } 12463 return status; 12464 } 12465 12466 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 12467 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 12468 String newMountPath = null; 12469 if (PackageHelper.isContainerMounted(cid)) { 12470 // Unmount the container 12471 if (!PackageHelper.unMountSdDir(cid)) { 12472 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 12473 return false; 12474 } 12475 } 12476 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 12477 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 12478 " which might be stale. Will try to clean up."); 12479 // Clean up the stale container and proceed to recreate. 12480 if (!PackageHelper.destroySdDir(newCacheId)) { 12481 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 12482 return false; 12483 } 12484 // Successfully cleaned up stale container. Try to rename again. 12485 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 12486 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 12487 + " inspite of cleaning it up."); 12488 return false; 12489 } 12490 } 12491 if (!PackageHelper.isContainerMounted(newCacheId)) { 12492 Slog.w(TAG, "Mounting container " + newCacheId); 12493 newMountPath = PackageHelper.mountSdDir(newCacheId, 12494 getEncryptKey(), Process.SYSTEM_UID); 12495 } else { 12496 newMountPath = PackageHelper.getSdDir(newCacheId); 12497 } 12498 if (newMountPath == null) { 12499 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 12500 return false; 12501 } 12502 Log.i(TAG, "Succesfully renamed " + cid + 12503 " to " + newCacheId + 12504 " at new path: " + newMountPath); 12505 cid = newCacheId; 12506 12507 final File beforeCodeFile = new File(packagePath); 12508 setMountPath(newMountPath); 12509 final File afterCodeFile = new File(packagePath); 12510 12511 // Reflect the rename in scanned details 12512 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 12513 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 12514 afterCodeFile, pkg.baseCodePath)); 12515 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 12516 afterCodeFile, pkg.splitCodePaths)); 12517 12518 // Reflect the rename in app info 12519 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 12520 pkg.setApplicationInfoCodePath(pkg.codePath); 12521 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 12522 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 12523 pkg.setApplicationInfoResourcePath(pkg.codePath); 12524 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 12525 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 12526 12527 return true; 12528 } 12529 12530 private void setMountPath(String mountPath) { 12531 final File mountFile = new File(mountPath); 12532 12533 final File monolithicFile = new File(mountFile, RES_FILE_NAME); 12534 if (monolithicFile.exists()) { 12535 packagePath = monolithicFile.getAbsolutePath(); 12536 if (isFwdLocked()) { 12537 resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath(); 12538 } else { 12539 resourcePath = packagePath; 12540 } 12541 } else { 12542 packagePath = mountFile.getAbsolutePath(); 12543 resourcePath = packagePath; 12544 } 12545 } 12546 12547 int doPostInstall(int status, int uid) { 12548 if (status != PackageManager.INSTALL_SUCCEEDED) { 12549 cleanUp(); 12550 } else { 12551 final int groupOwner; 12552 final String protectedFile; 12553 if (isFwdLocked()) { 12554 groupOwner = UserHandle.getSharedAppGid(uid); 12555 protectedFile = RES_FILE_NAME; 12556 } else { 12557 groupOwner = -1; 12558 protectedFile = null; 12559 } 12560 12561 if (uid < Process.FIRST_APPLICATION_UID 12562 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 12563 Slog.e(TAG, "Failed to finalize " + cid); 12564 PackageHelper.destroySdDir(cid); 12565 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 12566 } 12567 12568 boolean mounted = PackageHelper.isContainerMounted(cid); 12569 if (!mounted) { 12570 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 12571 } 12572 } 12573 return status; 12574 } 12575 12576 private void cleanUp() { 12577 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 12578 12579 // Destroy secure container 12580 PackageHelper.destroySdDir(cid); 12581 } 12582 12583 private List<String> getAllCodePaths() { 12584 final File codeFile = new File(getCodePath()); 12585 if (codeFile != null && codeFile.exists()) { 12586 try { 12587 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 12588 return pkg.getAllCodePaths(); 12589 } catch (PackageParserException e) { 12590 // Ignored; we tried our best 12591 } 12592 } 12593 return Collections.EMPTY_LIST; 12594 } 12595 12596 void cleanUpResourcesLI() { 12597 // Enumerate all code paths before deleting 12598 cleanUpResourcesLI(getAllCodePaths()); 12599 } 12600 12601 private void cleanUpResourcesLI(List<String> allCodePaths) { 12602 cleanUp(); 12603 removeDexFiles(allCodePaths, instructionSets); 12604 } 12605 12606 String getPackageName() { 12607 return getAsecPackageName(cid); 12608 } 12609 12610 boolean doPostDeleteLI(boolean delete) { 12611 if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete); 12612 final List<String> allCodePaths = getAllCodePaths(); 12613 boolean mounted = PackageHelper.isContainerMounted(cid); 12614 if (mounted) { 12615 // Unmount first 12616 if (PackageHelper.unMountSdDir(cid)) { 12617 mounted = false; 12618 } 12619 } 12620 if (!mounted && delete) { 12621 cleanUpResourcesLI(allCodePaths); 12622 } 12623 return !mounted; 12624 } 12625 12626 @Override 12627 int doPreCopy() { 12628 if (isFwdLocked()) { 12629 if (!PackageHelper.fixSdPermissions(cid, getPackageUid(DEFAULT_CONTAINER_PACKAGE, 12630 MATCH_SYSTEM_ONLY, UserHandle.USER_SYSTEM), RES_FILE_NAME)) { 12631 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 12632 } 12633 } 12634 12635 return PackageManager.INSTALL_SUCCEEDED; 12636 } 12637 12638 @Override 12639 int doPostCopy(int uid) { 12640 if (isFwdLocked()) { 12641 if (uid < Process.FIRST_APPLICATION_UID 12642 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 12643 RES_FILE_NAME)) { 12644 Slog.e(TAG, "Failed to finalize " + cid); 12645 PackageHelper.destroySdDir(cid); 12646 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 12647 } 12648 } 12649 12650 return PackageManager.INSTALL_SUCCEEDED; 12651 } 12652 } 12653 12654 /** 12655 * Logic to handle movement of existing installed applications. 12656 */ 12657 class MoveInstallArgs extends InstallArgs { 12658 private File codeFile; 12659 private File resourceFile; 12660 12661 /** New install */ 12662 MoveInstallArgs(InstallParams params) { 12663 super(params.origin, params.move, params.observer, params.installFlags, 12664 params.installerPackageName, params.volumeUuid, 12665 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 12666 params.grantedRuntimePermissions, 12667 params.traceMethod, params.traceCookie); 12668 } 12669 12670 int copyApk(IMediaContainerService imcs, boolean temp) { 12671 if (DEBUG_INSTALL) Slog.d(TAG, "Moving " + move.packageName + " from " 12672 + move.fromUuid + " to " + move.toUuid); 12673 synchronized (mInstaller) { 12674 try { 12675 mInstaller.moveCompleteApp(move.fromUuid, move.toUuid, move.packageName, 12676 move.dataAppName, move.appId, move.seinfo, move.targetSdkVersion); 12677 } catch (InstallerException e) { 12678 Slog.w(TAG, "Failed to move app", e); 12679 return PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 12680 } 12681 } 12682 12683 codeFile = new File(Environment.getDataAppDirectory(move.toUuid), move.dataAppName); 12684 resourceFile = codeFile; 12685 if (DEBUG_INSTALL) Slog.d(TAG, "codeFile after move is " + codeFile); 12686 12687 return PackageManager.INSTALL_SUCCEEDED; 12688 } 12689 12690 int doPreInstall(int status) { 12691 if (status != PackageManager.INSTALL_SUCCEEDED) { 12692 cleanUp(move.toUuid); 12693 } 12694 return status; 12695 } 12696 12697 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 12698 if (status != PackageManager.INSTALL_SUCCEEDED) { 12699 cleanUp(move.toUuid); 12700 return false; 12701 } 12702 12703 // Reflect the move in app info 12704 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 12705 pkg.setApplicationInfoCodePath(pkg.codePath); 12706 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 12707 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 12708 pkg.setApplicationInfoResourcePath(pkg.codePath); 12709 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 12710 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 12711 12712 return true; 12713 } 12714 12715 int doPostInstall(int status, int uid) { 12716 if (status == PackageManager.INSTALL_SUCCEEDED) { 12717 cleanUp(move.fromUuid); 12718 } else { 12719 cleanUp(move.toUuid); 12720 } 12721 return status; 12722 } 12723 12724 @Override 12725 String getCodePath() { 12726 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 12727 } 12728 12729 @Override 12730 String getResourcePath() { 12731 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 12732 } 12733 12734 private boolean cleanUp(String volumeUuid) { 12735 final File codeFile = new File(Environment.getDataAppDirectory(volumeUuid), 12736 move.dataAppName); 12737 Slog.d(TAG, "Cleaning up " + move.packageName + " on " + volumeUuid); 12738 synchronized (mInstallLock) { 12739 // Clean up both app data and code 12740 removeDataDirsLI(volumeUuid, move.packageName); 12741 removeCodePathLI(codeFile); 12742 } 12743 return true; 12744 } 12745 12746 void cleanUpResourcesLI() { 12747 throw new UnsupportedOperationException(); 12748 } 12749 12750 boolean doPostDeleteLI(boolean delete) { 12751 throw new UnsupportedOperationException(); 12752 } 12753 } 12754 12755 static String getAsecPackageName(String packageCid) { 12756 int idx = packageCid.lastIndexOf("-"); 12757 if (idx == -1) { 12758 return packageCid; 12759 } 12760 return packageCid.substring(0, idx); 12761 } 12762 12763 // Utility method used to create code paths based on package name and available index. 12764 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 12765 String idxStr = ""; 12766 int idx = 1; 12767 // Fall back to default value of idx=1 if prefix is not 12768 // part of oldCodePath 12769 if (oldCodePath != null) { 12770 String subStr = oldCodePath; 12771 // Drop the suffix right away 12772 if (suffix != null && subStr.endsWith(suffix)) { 12773 subStr = subStr.substring(0, subStr.length() - suffix.length()); 12774 } 12775 // If oldCodePath already contains prefix find out the 12776 // ending index to either increment or decrement. 12777 int sidx = subStr.lastIndexOf(prefix); 12778 if (sidx != -1) { 12779 subStr = subStr.substring(sidx + prefix.length()); 12780 if (subStr != null) { 12781 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 12782 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 12783 } 12784 try { 12785 idx = Integer.parseInt(subStr); 12786 if (idx <= 1) { 12787 idx++; 12788 } else { 12789 idx--; 12790 } 12791 } catch(NumberFormatException e) { 12792 } 12793 } 12794 } 12795 } 12796 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 12797 return prefix + idxStr; 12798 } 12799 12800 private File getNextCodePath(File targetDir, String packageName) { 12801 int suffix = 1; 12802 File result; 12803 do { 12804 result = new File(targetDir, packageName + "-" + suffix); 12805 suffix++; 12806 } while (result.exists()); 12807 return result; 12808 } 12809 12810 // Utility method that returns the relative package path with respect 12811 // to the installation directory. Like say for /data/data/com.test-1.apk 12812 // string com.test-1 is returned. 12813 static String deriveCodePathName(String codePath) { 12814 if (codePath == null) { 12815 return null; 12816 } 12817 final File codeFile = new File(codePath); 12818 final String name = codeFile.getName(); 12819 if (codeFile.isDirectory()) { 12820 return name; 12821 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 12822 final int lastDot = name.lastIndexOf('.'); 12823 return name.substring(0, lastDot); 12824 } else { 12825 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 12826 return null; 12827 } 12828 } 12829 12830 static class PackageInstalledInfo { 12831 String name; 12832 int uid; 12833 // The set of users that originally had this package installed. 12834 int[] origUsers; 12835 // The set of users that now have this package installed. 12836 int[] newUsers; 12837 PackageParser.Package pkg; 12838 int returnCode; 12839 String returnMsg; 12840 PackageRemovedInfo removedInfo; 12841 ArrayMap<String, PackageInstalledInfo> addedChildPackages; 12842 12843 public void setError(int code, String msg) { 12844 setReturnCode(code); 12845 setReturnMessage(msg); 12846 Slog.w(TAG, msg); 12847 } 12848 12849 public void setError(String msg, PackageParserException e) { 12850 setReturnCode(e.error); 12851 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 12852 Slog.w(TAG, msg, e); 12853 } 12854 12855 public void setError(String msg, PackageManagerException e) { 12856 returnCode = e.error; 12857 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 12858 Slog.w(TAG, msg, e); 12859 } 12860 12861 public void setReturnCode(int returnCode) { 12862 this.returnCode = returnCode; 12863 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 12864 for (int i = 0; i < childCount; i++) { 12865 addedChildPackages.valueAt(i).returnCode = returnCode; 12866 } 12867 } 12868 12869 private void setReturnMessage(String returnMsg) { 12870 this.returnMsg = returnMsg; 12871 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 12872 for (int i = 0; i < childCount; i++) { 12873 addedChildPackages.valueAt(i).returnMsg = returnMsg; 12874 } 12875 } 12876 12877 // In some error cases we want to convey more info back to the observer 12878 String origPackage; 12879 String origPermission; 12880 } 12881 12882 /* 12883 * Install a non-existing package. 12884 */ 12885 private void installNewPackageLI(PackageParser.Package pkg, int parseFlags, int scanFlags, 12886 UserHandle user, String installerPackageName, String volumeUuid, 12887 PackageInstalledInfo res) { 12888 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installNewPackage"); 12889 12890 // Remember this for later, in case we need to rollback this install 12891 String pkgName = pkg.packageName; 12892 12893 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 12894 12895 synchronized(mPackages) { 12896 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 12897 // A package with the same name is already installed, though 12898 // it has been renamed to an older name. The package we 12899 // are trying to install should be installed as an update to 12900 // the existing one, but that has not been requested, so bail. 12901 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 12902 + " without first uninstalling package running as " 12903 + mSettings.mRenamedPackages.get(pkgName)); 12904 return; 12905 } 12906 if (mPackages.containsKey(pkgName)) { 12907 // Don't allow installation over an existing package with the same name. 12908 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 12909 + " without first uninstalling."); 12910 return; 12911 } 12912 } 12913 12914 try { 12915 PackageParser.Package newPackage = scanPackageTracedLI(pkg, parseFlags, scanFlags, 12916 System.currentTimeMillis(), user); 12917 12918 updateSettingsLI(newPackage, installerPackageName, null, res, user); 12919 12920 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 12921 prepareAppDataAfterInstall(newPackage); 12922 12923 } else { 12924 // Remove package from internal structures, but keep around any 12925 // data that might have already existed 12926 deletePackageLI(pkgName, UserHandle.ALL, false, null, 12927 PackageManager.DELETE_KEEP_DATA, res.removedInfo, true, null); 12928 } 12929 } catch (PackageManagerException e) { 12930 res.setError("Package couldn't be installed in " + pkg.codePath, e); 12931 } 12932 12933 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 12934 } 12935 12936 private boolean shouldCheckUpgradeKeySetLP(PackageSetting oldPs, int scanFlags) { 12937 // Can't rotate keys during boot or if sharedUser. 12938 if (oldPs == null || (scanFlags&SCAN_INITIAL) != 0 || oldPs.sharedUser != null 12939 || !oldPs.keySetData.isUsingUpgradeKeySets()) { 12940 return false; 12941 } 12942 // app is using upgradeKeySets; make sure all are valid 12943 KeySetManagerService ksms = mSettings.mKeySetManagerService; 12944 long[] upgradeKeySets = oldPs.keySetData.getUpgradeKeySets(); 12945 for (int i = 0; i < upgradeKeySets.length; i++) { 12946 if (!ksms.isIdValidKeySetId(upgradeKeySets[i])) { 12947 Slog.wtf(TAG, "Package " 12948 + (oldPs.name != null ? oldPs.name : "<null>") 12949 + " contains upgrade-key-set reference to unknown key-set: " 12950 + upgradeKeySets[i] 12951 + " reverting to signatures check."); 12952 return false; 12953 } 12954 } 12955 return true; 12956 } 12957 12958 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 12959 // Upgrade keysets are being used. Determine if new package has a superset of the 12960 // required keys. 12961 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 12962 KeySetManagerService ksms = mSettings.mKeySetManagerService; 12963 for (int i = 0; i < upgradeKeySets.length; i++) { 12964 Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); 12965 if (upgradeSet != null && newPkg.mSigningKeys.containsAll(upgradeSet)) { 12966 return true; 12967 } 12968 } 12969 return false; 12970 } 12971 12972 private void replacePackageLI(PackageParser.Package pkg, int parseFlags, int scanFlags, 12973 UserHandle user, String installerPackageName, PackageInstalledInfo res) { 12974 final boolean isEphemeral = (parseFlags & PackageParser.PARSE_IS_EPHEMERAL) != 0; 12975 12976 final PackageParser.Package oldPackage; 12977 final String pkgName = pkg.packageName; 12978 final int[] allUsers; 12979 12980 // First find the old package info and check signatures 12981 synchronized(mPackages) { 12982 oldPackage = mPackages.get(pkgName); 12983 final boolean oldIsEphemeral = oldPackage.applicationInfo.isEphemeralApp(); 12984 if (isEphemeral && !oldIsEphemeral) { 12985 // can't downgrade from full to ephemeral 12986 Slog.w(TAG, "Can't replace app with ephemeral: " + pkgName); 12987 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 12988 return; 12989 } 12990 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 12991 final PackageSetting ps = mSettings.mPackages.get(pkgName); 12992 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 12993 if (!checkUpgradeKeySetLP(ps, pkg)) { 12994 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 12995 "New package not signed by keys specified by upgrade-keysets: " 12996 + pkgName); 12997 return; 12998 } 12999 } else { 13000 // default to original signature matching 13001 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 13002 != PackageManager.SIGNATURE_MATCH) { 13003 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 13004 "New package has a different signature: " + pkgName); 13005 return; 13006 } 13007 } 13008 13009 // In case of rollback, remember per-user/profile install state 13010 allUsers = sUserManager.getUserIds(); 13011 } 13012 13013 // Update what is removed 13014 res.removedInfo = new PackageRemovedInfo(); 13015 res.removedInfo.uid = oldPackage.applicationInfo.uid; 13016 res.removedInfo.removedPackage = oldPackage.packageName; 13017 res.removedInfo.isUpdate = true; 13018 final int childCount = (oldPackage.childPackages != null) 13019 ? oldPackage.childPackages.size() : 0; 13020 for (int i = 0; i < childCount; i++) { 13021 boolean childPackageUpdated = false; 13022 PackageParser.Package childPkg = oldPackage.childPackages.get(i); 13023 if (res.addedChildPackages != null) { 13024 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 13025 if (childRes != null) { 13026 childRes.removedInfo.uid = childPkg.applicationInfo.uid; 13027 childRes.removedInfo.removedPackage = childPkg.packageName; 13028 childRes.removedInfo.isUpdate = true; 13029 childPackageUpdated = true; 13030 } 13031 } 13032 if (!childPackageUpdated) { 13033 PackageRemovedInfo childRemovedRes = new PackageRemovedInfo(); 13034 childRemovedRes.removedPackage = childPkg.packageName; 13035 childRemovedRes.isUpdate = false; 13036 childRemovedRes.dataRemoved = true; 13037 synchronized (mPackages) { 13038 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 13039 if (childPs != null) { 13040 childRemovedRes.origUsers = childPs.queryInstalledUsers(allUsers, true); 13041 } 13042 } 13043 if (res.removedInfo.removedChildPackages == null) { 13044 res.removedInfo.removedChildPackages = new ArrayMap<>(); 13045 } 13046 res.removedInfo.removedChildPackages.put(childPkg.packageName, childRemovedRes); 13047 } 13048 } 13049 13050 boolean sysPkg = (isSystemApp(oldPackage)); 13051 if (sysPkg) { 13052 replaceSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags, 13053 user, allUsers, installerPackageName, res); 13054 } else { 13055 replaceNonSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags, 13056 user, allUsers, installerPackageName, res); 13057 } 13058 } 13059 13060 private void replaceNonSystemPackageLI(PackageParser.Package deletedPackage, 13061 PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user, 13062 int[] allUsers, String installerPackageName, PackageInstalledInfo res) { 13063 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 13064 + deletedPackage); 13065 13066 String pkgName = deletedPackage.packageName; 13067 boolean deletedPkg = true; 13068 boolean addedPkg = false; 13069 13070 final long origUpdateTime = (pkg.mExtras != null) 13071 ? ((PackageSetting)pkg.mExtras).lastUpdateTime : 0; 13072 13073 // First delete the existing package while retaining the data directory 13074 if (!deletePackageLI(pkgName, null, true, allUsers, PackageManager.DELETE_KEEP_DATA, 13075 res.removedInfo, true, pkg)) { 13076 // If the existing package wasn't successfully deleted 13077 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 13078 deletedPkg = false; 13079 } else { 13080 // Successfully deleted the old package; proceed with replace. 13081 13082 // If deleted package lived in a container, give users a chance to 13083 // relinquish resources before killing. 13084 if (deletedPackage.isForwardLocked() || isExternal(deletedPackage)) { 13085 if (DEBUG_INSTALL) { 13086 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 13087 } 13088 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 13089 final ArrayList<String> pkgList = new ArrayList<String>(1); 13090 pkgList.add(deletedPackage.applicationInfo.packageName); 13091 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 13092 } 13093 13094 deleteCodeCacheDirsLI(pkg); 13095 13096 try { 13097 final PackageParser.Package newPackage = scanPackageTracedLI(pkg, parseFlags, 13098 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 13099 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user); 13100 prepareAppDataAfterInstall(newPackage); 13101 addedPkg = true; 13102 } catch (PackageManagerException e) { 13103 res.setError("Package couldn't be installed in " + pkg.codePath, e); 13104 } 13105 } 13106 13107 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 13108 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 13109 13110 // Revert all internal state mutations and added folders for the failed install 13111 if (addedPkg) { 13112 deletePackageLI(pkgName, null, true, allUsers, PackageManager.DELETE_KEEP_DATA, 13113 res.removedInfo, true, null); 13114 } 13115 13116 // Restore the old package 13117 if (deletedPkg) { 13118 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 13119 File restoreFile = new File(deletedPackage.codePath); 13120 // Parse old package 13121 boolean oldExternal = isExternal(deletedPackage); 13122 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 13123 (deletedPackage.isForwardLocked() ? PackageParser.PARSE_FORWARD_LOCK : 0) | 13124 (oldExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0); 13125 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 13126 try { 13127 scanPackageTracedLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, 13128 null); 13129 } catch (PackageManagerException e) { 13130 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 13131 + e.getMessage()); 13132 return; 13133 } 13134 13135 synchronized (mPackages) { 13136 // Ensure the installer package name up to date 13137 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 13138 13139 // Update permissions for restored package 13140 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 13141 13142 mSettings.writeLPr(); 13143 } 13144 13145 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 13146 } 13147 } else { 13148 synchronized (mPackages) { 13149 PackageSetting ps = mSettings.peekPackageLPr(pkg.packageName); 13150 if (ps != null) { 13151 res.removedInfo.removedForAllUsers = mPackages.get(ps.name) == null; 13152 if (res.removedInfo.removedChildPackages != null) { 13153 final int childCount = res.removedInfo.removedChildPackages.size(); 13154 // Iterate in reverse as we may modify the collection 13155 for (int i = childCount - 1; i >= 0; i--) { 13156 String childPackageName = res.removedInfo.removedChildPackages.keyAt(i); 13157 if (res.addedChildPackages.containsKey(childPackageName)) { 13158 res.removedInfo.removedChildPackages.removeAt(i); 13159 } else { 13160 PackageRemovedInfo childInfo = res.removedInfo 13161 .removedChildPackages.valueAt(i); 13162 childInfo.removedForAllUsers = mPackages.get( 13163 childInfo.removedPackage) == null; 13164 } 13165 } 13166 } 13167 } 13168 } 13169 } 13170 } 13171 13172 private void replaceSystemPackageLI(PackageParser.Package deletedPackage, 13173 PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user, 13174 int[] allUsers, String installerPackageName, PackageInstalledInfo res) { 13175 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 13176 + ", old=" + deletedPackage); 13177 13178 final boolean disabledSystem; 13179 13180 // Set the system/privileged flags as needed 13181 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 13182 if ((deletedPackage.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) 13183 != 0) { 13184 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 13185 } 13186 13187 // Kill package processes including services, providers, etc. 13188 killPackage(deletedPackage, "replace sys pkg"); 13189 13190 // Remove existing system package 13191 removePackageLI(deletedPackage, true); 13192 13193 disabledSystem = disableSystemPackageLPw(deletedPackage, pkg); 13194 if (!disabledSystem) { 13195 // We didn't need to disable the .apk as a current system package, 13196 // which means we are replacing another update that is already 13197 // installed. We need to make sure to delete the older one's .apk. 13198 res.removedInfo.args = createInstallArgsForExisting(0, 13199 deletedPackage.applicationInfo.getCodePath(), 13200 deletedPackage.applicationInfo.getResourcePath(), 13201 getAppDexInstructionSets(deletedPackage.applicationInfo)); 13202 } else { 13203 res.removedInfo.args = null; 13204 } 13205 13206 // Successfully disabled the old package. Now proceed with re-installation 13207 deleteCodeCacheDirsLI(pkg); 13208 13209 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 13210 pkg.setApplicationInfoFlags(ApplicationInfo.FLAG_UPDATED_SYSTEM_APP, 13211 ApplicationInfo.FLAG_UPDATED_SYSTEM_APP); 13212 13213 PackageParser.Package newPackage = null; 13214 try { 13215 // Add the package to the internal data structures 13216 newPackage = scanPackageTracedLI(pkg, parseFlags, scanFlags, 0, user); 13217 13218 // Set the update and install times 13219 PackageSetting deletedPkgSetting = (PackageSetting) deletedPackage.mExtras; 13220 setInstallAndUpdateTime(newPackage, deletedPkgSetting.firstInstallTime, 13221 System.currentTimeMillis()); 13222 13223 // Check for shared user id changes 13224 String invalidPackageName = getParentOrChildPackageChangedSharedUser( 13225 deletedPackage, newPackage); 13226 if (invalidPackageName != null) { 13227 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 13228 "Forbidding shared user change from " + deletedPkgSetting.sharedUser 13229 + " to " + invalidPackageName); 13230 } 13231 13232 // Update the package dynamic state if succeeded 13233 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 13234 // Now that the install succeeded make sure we remove data 13235 // directories for any child package the update removed. 13236 final int deletedChildCount = (deletedPackage.childPackages != null) 13237 ? deletedPackage.childPackages.size() : 0; 13238 final int newChildCount = (newPackage.childPackages != null) 13239 ? newPackage.childPackages.size() : 0; 13240 for (int i = 0; i < deletedChildCount; i++) { 13241 PackageParser.Package deletedChildPkg = deletedPackage.childPackages.get(i); 13242 boolean childPackageDeleted = true; 13243 for (int j = 0; j < newChildCount; j++) { 13244 PackageParser.Package newChildPkg = newPackage.childPackages.get(j); 13245 if (deletedChildPkg.packageName.equals(newChildPkg.packageName)) { 13246 childPackageDeleted = false; 13247 break; 13248 } 13249 } 13250 if (childPackageDeleted) { 13251 PackageSetting ps = mSettings.getDisabledSystemPkgLPr( 13252 deletedChildPkg.packageName); 13253 if (ps != null && res.removedInfo.removedChildPackages != null) { 13254 PackageRemovedInfo removedChildRes = res.removedInfo 13255 .removedChildPackages.get(deletedChildPkg.packageName); 13256 removePackageDataLI(ps, allUsers, removedChildRes, 0, false); 13257 removedChildRes.removedForAllUsers = mPackages.get(ps.name) == null; 13258 } 13259 } 13260 } 13261 13262 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user); 13263 prepareAppDataAfterInstall(newPackage); 13264 } 13265 } catch (PackageManagerException e) { 13266 res.setReturnCode(INSTALL_FAILED_INTERNAL_ERROR); 13267 res.setError("Package couldn't be installed in " + pkg.codePath, e); 13268 } 13269 13270 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 13271 // Re installation failed. Restore old information 13272 // Remove new pkg information 13273 if (newPackage != null) { 13274 removeInstalledPackageLI(newPackage, true); 13275 } 13276 // Add back the old system package 13277 try { 13278 scanPackageTracedLI(deletedPackage, parseFlags, SCAN_UPDATE_SIGNATURE, 0, user); 13279 } catch (PackageManagerException e) { 13280 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 13281 } 13282 13283 synchronized (mPackages) { 13284 if (disabledSystem) { 13285 enableSystemPackageLPw(deletedPackage); 13286 } 13287 13288 // Ensure the installer package name up to date 13289 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 13290 13291 // Update permissions for restored package 13292 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 13293 13294 mSettings.writeLPr(); 13295 } 13296 13297 Slog.i(TAG, "Successfully restored package : " + deletedPackage.packageName 13298 + " after failed upgrade"); 13299 } 13300 } 13301 13302 /** 13303 * Checks whether the parent or any of the child packages have a change shared 13304 * user. For a package to be a valid update the shred users of the parent and 13305 * the children should match. We may later support changing child shared users. 13306 * @param oldPkg The updated package. 13307 * @param newPkg The update package. 13308 * @return The shared user that change between the versions. 13309 */ 13310 private String getParentOrChildPackageChangedSharedUser(PackageParser.Package oldPkg, 13311 PackageParser.Package newPkg) { 13312 // Check parent shared user 13313 if (!Objects.equals(oldPkg.mSharedUserId, newPkg.mSharedUserId)) { 13314 return newPkg.packageName; 13315 } 13316 // Check child shared users 13317 final int oldChildCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 13318 final int newChildCount = (newPkg.childPackages != null) ? newPkg.childPackages.size() : 0; 13319 for (int i = 0; i < newChildCount; i++) { 13320 PackageParser.Package newChildPkg = newPkg.childPackages.get(i); 13321 // If this child was present, did it have the same shared user? 13322 for (int j = 0; j < oldChildCount; j++) { 13323 PackageParser.Package oldChildPkg = oldPkg.childPackages.get(j); 13324 if (newChildPkg.packageName.equals(oldChildPkg.packageName) 13325 && !Objects.equals(newChildPkg.mSharedUserId, oldChildPkg.mSharedUserId)) { 13326 return newChildPkg.packageName; 13327 } 13328 } 13329 } 13330 return null; 13331 } 13332 13333 private void removeNativeBinariesLI(PackageParser.Package pkg) { 13334 // Remove the lib path for the parent package 13335 PackageSetting ps = (PackageSetting) pkg.mExtras; 13336 if (ps != null) { 13337 NativeLibraryHelper.removeNativeBinariesLI(ps.legacyNativeLibraryPathString); 13338 } 13339 // Remove the lib path for the child packages 13340 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 13341 for (int i = 0; i < childCount; i++) { 13342 ps = (PackageSetting) pkg.childPackages.get(i).mExtras; 13343 if (ps != null) { 13344 NativeLibraryHelper.removeNativeBinariesLI(ps.legacyNativeLibraryPathString); 13345 } 13346 } 13347 } 13348 13349 private void enableSystemPackageLPw(PackageParser.Package pkg) { 13350 // Enable the parent package 13351 mSettings.enableSystemPackageLPw(pkg.packageName); 13352 // Enable the child packages 13353 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 13354 for (int i = 0; i < childCount; i++) { 13355 PackageParser.Package childPkg = pkg.childPackages.get(i); 13356 mSettings.enableSystemPackageLPw(childPkg.packageName); 13357 } 13358 } 13359 13360 private boolean disableSystemPackageLPw(PackageParser.Package oldPkg, 13361 PackageParser.Package newPkg) { 13362 // Disable the parent package (parent always replaced) 13363 boolean disabled = mSettings.disableSystemPackageLPw(oldPkg.packageName, true); 13364 // Disable the child packages 13365 final int childCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 13366 for (int i = 0; i < childCount; i++) { 13367 PackageParser.Package childPkg = oldPkg.childPackages.get(i); 13368 final boolean replace = newPkg.hasChildPackage(childPkg.packageName); 13369 disabled |= mSettings.disableSystemPackageLPw(childPkg.packageName, replace); 13370 } 13371 return disabled; 13372 } 13373 13374 private void setInstallerPackageNameLPw(PackageParser.Package pkg, 13375 String installerPackageName) { 13376 // Enable the parent package 13377 mSettings.setInstallerPackageName(pkg.packageName, installerPackageName); 13378 // Enable the child packages 13379 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 13380 for (int i = 0; i < childCount; i++) { 13381 PackageParser.Package childPkg = pkg.childPackages.get(i); 13382 mSettings.setInstallerPackageName(childPkg.packageName, installerPackageName); 13383 } 13384 } 13385 13386 private int[] revokeUnusedSharedUserPermissionsLPw(SharedUserSetting su, int[] allUserIds) { 13387 // Collect all used permissions in the UID 13388 ArraySet<String> usedPermissions = new ArraySet<>(); 13389 final int packageCount = su.packages.size(); 13390 for (int i = 0; i < packageCount; i++) { 13391 PackageSetting ps = su.packages.valueAt(i); 13392 if (ps.pkg == null) { 13393 continue; 13394 } 13395 final int requestedPermCount = ps.pkg.requestedPermissions.size(); 13396 for (int j = 0; j < requestedPermCount; j++) { 13397 String permission = ps.pkg.requestedPermissions.get(j); 13398 BasePermission bp = mSettings.mPermissions.get(permission); 13399 if (bp != null) { 13400 usedPermissions.add(permission); 13401 } 13402 } 13403 } 13404 13405 PermissionsState permissionsState = su.getPermissionsState(); 13406 // Prune install permissions 13407 List<PermissionState> installPermStates = permissionsState.getInstallPermissionStates(); 13408 final int installPermCount = installPermStates.size(); 13409 for (int i = installPermCount - 1; i >= 0; i--) { 13410 PermissionState permissionState = installPermStates.get(i); 13411 if (!usedPermissions.contains(permissionState.getName())) { 13412 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 13413 if (bp != null) { 13414 permissionsState.revokeInstallPermission(bp); 13415 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 13416 PackageManager.MASK_PERMISSION_FLAGS, 0); 13417 } 13418 } 13419 } 13420 13421 int[] runtimePermissionChangedUserIds = EmptyArray.INT; 13422 13423 // Prune runtime permissions 13424 for (int userId : allUserIds) { 13425 List<PermissionState> runtimePermStates = permissionsState 13426 .getRuntimePermissionStates(userId); 13427 final int runtimePermCount = runtimePermStates.size(); 13428 for (int i = runtimePermCount - 1; i >= 0; i--) { 13429 PermissionState permissionState = runtimePermStates.get(i); 13430 if (!usedPermissions.contains(permissionState.getName())) { 13431 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 13432 if (bp != null) { 13433 permissionsState.revokeRuntimePermission(bp, userId); 13434 permissionsState.updatePermissionFlags(bp, userId, 13435 PackageManager.MASK_PERMISSION_FLAGS, 0); 13436 runtimePermissionChangedUserIds = ArrayUtils.appendInt( 13437 runtimePermissionChangedUserIds, userId); 13438 } 13439 } 13440 } 13441 } 13442 13443 return runtimePermissionChangedUserIds; 13444 } 13445 13446 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 13447 int[] allUsers, PackageInstalledInfo res, UserHandle user) { 13448 // Update the parent package setting 13449 updateSettingsInternalLI(newPackage, installerPackageName, allUsers, res.origUsers, 13450 res, user); 13451 // Update the child packages setting 13452 final int childCount = (newPackage.childPackages != null) 13453 ? newPackage.childPackages.size() : 0; 13454 for (int i = 0; i < childCount; i++) { 13455 PackageParser.Package childPackage = newPackage.childPackages.get(i); 13456 PackageInstalledInfo childRes = res.addedChildPackages.get(childPackage.packageName); 13457 updateSettingsInternalLI(childPackage, installerPackageName, allUsers, 13458 childRes.origUsers, childRes, user); 13459 } 13460 } 13461 13462 private void updateSettingsInternalLI(PackageParser.Package newPackage, 13463 String installerPackageName, int[] allUsers, int[] installedForUsers, 13464 PackageInstalledInfo res, UserHandle user) { 13465 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 13466 13467 String pkgName = newPackage.packageName; 13468 synchronized (mPackages) { 13469 //write settings. the installStatus will be incomplete at this stage. 13470 //note that the new package setting would have already been 13471 //added to mPackages. It hasn't been persisted yet. 13472 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 13473 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 13474 mSettings.writeLPr(); 13475 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13476 } 13477 13478 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 13479 synchronized (mPackages) { 13480 updatePermissionsLPw(newPackage.packageName, newPackage, 13481 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 13482 ? UPDATE_PERMISSIONS_ALL : 0)); 13483 // For system-bundled packages, we assume that installing an upgraded version 13484 // of the package implies that the user actually wants to run that new code, 13485 // so we enable the package. 13486 PackageSetting ps = mSettings.mPackages.get(pkgName); 13487 final int userId = user.getIdentifier(); 13488 if (ps != null) { 13489 if (isSystemApp(newPackage)) { 13490 if (DEBUG_INSTALL) { 13491 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 13492 } 13493 // Enable system package for requested users 13494 if (res.origUsers != null) { 13495 for (int origUserId : res.origUsers) { 13496 if (userId == UserHandle.USER_ALL || userId == origUserId) { 13497 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 13498 origUserId, installerPackageName); 13499 } 13500 } 13501 } 13502 // Also convey the prior install/uninstall state 13503 if (allUsers != null && installedForUsers != null) { 13504 for (int currentUserId : allUsers) { 13505 final boolean installed = ArrayUtils.contains( 13506 installedForUsers, currentUserId); 13507 if (DEBUG_INSTALL) { 13508 Slog.d(TAG, " user " + currentUserId + " => " + installed); 13509 } 13510 ps.setInstalled(installed, currentUserId); 13511 } 13512 // these install state changes will be persisted in the 13513 // upcoming call to mSettings.writeLPr(). 13514 } 13515 } 13516 // It's implied that when a user requests installation, they want the app to be 13517 // installed and enabled. 13518 if (userId != UserHandle.USER_ALL) { 13519 ps.setInstalled(true, userId); 13520 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, userId, installerPackageName); 13521 } 13522 } 13523 res.name = pkgName; 13524 res.uid = newPackage.applicationInfo.uid; 13525 res.pkg = newPackage; 13526 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 13527 mSettings.setInstallerPackageName(pkgName, installerPackageName); 13528 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 13529 //to update install status 13530 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 13531 mSettings.writeLPr(); 13532 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13533 } 13534 13535 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13536 } 13537 13538 private void installPackageTracedLI(InstallArgs args, PackageInstalledInfo res) { 13539 try { 13540 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installPackage"); 13541 installPackageLI(args, res); 13542 } finally { 13543 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13544 } 13545 } 13546 13547 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 13548 final int installFlags = args.installFlags; 13549 final String installerPackageName = args.installerPackageName; 13550 final String volumeUuid = args.volumeUuid; 13551 final File tmpPackageFile = new File(args.getCodePath()); 13552 final boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 13553 final boolean onExternal = (((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) 13554 || (args.volumeUuid != null)); 13555 final boolean ephemeral = ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0); 13556 boolean replace = false; 13557 int scanFlags = SCAN_NEW_INSTALL | SCAN_UPDATE_SIGNATURE; 13558 if (args.move != null) { 13559 // moving a complete application; perform an initial scan on the new install location 13560 scanFlags |= SCAN_INITIAL; 13561 } 13562 13563 // Result object to be returned 13564 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 13565 13566 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 13567 13568 // Sanity check 13569 if (ephemeral && (forwardLocked || onExternal)) { 13570 Slog.i(TAG, "Incompatible ephemeral install; fwdLocked=" + forwardLocked 13571 + " external=" + onExternal); 13572 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 13573 return; 13574 } 13575 13576 // Retrieve PackageSettings and parse package 13577 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 13578 | PackageParser.PARSE_ENFORCE_CODE 13579 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 13580 | (onExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0) 13581 | (ephemeral ? PackageParser.PARSE_IS_EPHEMERAL : 0); 13582 PackageParser pp = new PackageParser(); 13583 pp.setSeparateProcesses(mSeparateProcesses); 13584 pp.setDisplayMetrics(mMetrics); 13585 13586 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 13587 final PackageParser.Package pkg; 13588 try { 13589 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 13590 } catch (PackageParserException e) { 13591 res.setError("Failed parse during installPackageLI", e); 13592 return; 13593 } finally { 13594 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13595 } 13596 13597 // If we are installing a clustered package add results for the children 13598 if (pkg.childPackages != null) { 13599 synchronized (mPackages) { 13600 final int childCount = pkg.childPackages.size(); 13601 for (int i = 0; i < childCount; i++) { 13602 PackageParser.Package childPkg = pkg.childPackages.get(i); 13603 PackageInstalledInfo childRes = new PackageInstalledInfo(); 13604 childRes.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 13605 childRes.pkg = childPkg; 13606 childRes.name = childPkg.packageName; 13607 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 13608 if (childPs != null) { 13609 childRes.origUsers = childPs.queryInstalledUsers( 13610 sUserManager.getUserIds(), true); 13611 } 13612 if ((mPackages.containsKey(childPkg.packageName))) { 13613 childRes.removedInfo = new PackageRemovedInfo(); 13614 childRes.removedInfo.removedPackage = childPkg.packageName; 13615 } 13616 if (res.addedChildPackages == null) { 13617 res.addedChildPackages = new ArrayMap<>(); 13618 } 13619 res.addedChildPackages.put(childPkg.packageName, childRes); 13620 } 13621 } 13622 } 13623 13624 // If package doesn't declare API override, mark that we have an install 13625 // time CPU ABI override. 13626 if (TextUtils.isEmpty(pkg.cpuAbiOverride)) { 13627 pkg.cpuAbiOverride = args.abiOverride; 13628 } 13629 13630 String pkgName = res.name = pkg.packageName; 13631 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 13632 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 13633 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 13634 return; 13635 } 13636 } 13637 13638 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "collectCertificates"); 13639 try { 13640 PackageParser.collectCertificates(pkg, parseFlags); 13641 } catch (PackageParserException e) { 13642 res.setError("Failed collect during installPackageLI", e); 13643 return; 13644 } finally { 13645 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13646 } 13647 13648 // Get rid of all references to package scan path via parser. 13649 pp = null; 13650 String oldCodePath = null; 13651 boolean systemApp = false; 13652 synchronized (mPackages) { 13653 // Check if installing already existing package 13654 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 13655 String oldName = mSettings.mRenamedPackages.get(pkgName); 13656 if (pkg.mOriginalPackages != null 13657 && pkg.mOriginalPackages.contains(oldName) 13658 && mPackages.containsKey(oldName)) { 13659 // This package is derived from an original package, 13660 // and this device has been updating from that original 13661 // name. We must continue using the original name, so 13662 // rename the new package here. 13663 pkg.setPackageName(oldName); 13664 pkgName = pkg.packageName; 13665 replace = true; 13666 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 13667 + oldName + " pkgName=" + pkgName); 13668 } else if (mPackages.containsKey(pkgName)) { 13669 // This package, under its official name, already exists 13670 // on the device; we should replace it. 13671 replace = true; 13672 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 13673 } 13674 13675 // Child packages are installed through the parent package 13676 if (pkg.parentPackage != null) { 13677 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 13678 "Package " + pkg.packageName + " is child of package " 13679 + pkg.parentPackage.parentPackage + ". Child packages " 13680 + "can be updated only through the parent package."); 13681 return; 13682 } 13683 13684 if (replace) { 13685 // Prevent apps opting out from runtime permissions 13686 PackageParser.Package oldPackage = mPackages.get(pkgName); 13687 final int oldTargetSdk = oldPackage.applicationInfo.targetSdkVersion; 13688 final int newTargetSdk = pkg.applicationInfo.targetSdkVersion; 13689 if (oldTargetSdk > Build.VERSION_CODES.LOLLIPOP_MR1 13690 && newTargetSdk <= Build.VERSION_CODES.LOLLIPOP_MR1) { 13691 res.setError(PackageManager.INSTALL_FAILED_PERMISSION_MODEL_DOWNGRADE, 13692 "Package " + pkg.packageName + " new target SDK " + newTargetSdk 13693 + " doesn't support runtime permissions but the old" 13694 + " target SDK " + oldTargetSdk + " does."); 13695 return; 13696 } 13697 13698 // Prevent installing of child packages 13699 if (oldPackage.parentPackage != null) { 13700 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 13701 "Package " + pkg.packageName + " is child of package " 13702 + oldPackage.parentPackage + ". Child packages " 13703 + "can be updated only through the parent package."); 13704 return; 13705 } 13706 } 13707 } 13708 13709 PackageSetting ps = mSettings.mPackages.get(pkgName); 13710 if (ps != null) { 13711 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 13712 13713 // Quick sanity check that we're signed correctly if updating; 13714 // we'll check this again later when scanning, but we want to 13715 // bail early here before tripping over redefined permissions. 13716 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 13717 if (!checkUpgradeKeySetLP(ps, pkg)) { 13718 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 13719 + pkg.packageName + " upgrade keys do not match the " 13720 + "previously installed version"); 13721 return; 13722 } 13723 } else { 13724 try { 13725 verifySignaturesLP(ps, pkg); 13726 } catch (PackageManagerException e) { 13727 res.setError(e.error, e.getMessage()); 13728 return; 13729 } 13730 } 13731 13732 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 13733 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 13734 systemApp = (ps.pkg.applicationInfo.flags & 13735 ApplicationInfo.FLAG_SYSTEM) != 0; 13736 } 13737 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 13738 } 13739 13740 // Check whether the newly-scanned package wants to define an already-defined perm 13741 int N = pkg.permissions.size(); 13742 for (int i = N-1; i >= 0; i--) { 13743 PackageParser.Permission perm = pkg.permissions.get(i); 13744 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 13745 if (bp != null) { 13746 // If the defining package is signed with our cert, it's okay. This 13747 // also includes the "updating the same package" case, of course. 13748 // "updating same package" could also involve key-rotation. 13749 final boolean sigsOk; 13750 if (bp.sourcePackage.equals(pkg.packageName) 13751 && (bp.packageSetting instanceof PackageSetting) 13752 && (shouldCheckUpgradeKeySetLP((PackageSetting) bp.packageSetting, 13753 scanFlags))) { 13754 sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg); 13755 } else { 13756 sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures, 13757 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 13758 } 13759 if (!sigsOk) { 13760 // If the owning package is the system itself, we log but allow 13761 // install to proceed; we fail the install on all other permission 13762 // redefinitions. 13763 if (!bp.sourcePackage.equals("android")) { 13764 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 13765 + pkg.packageName + " attempting to redeclare permission " 13766 + perm.info.name + " already owned by " + bp.sourcePackage); 13767 res.origPermission = perm.info.name; 13768 res.origPackage = bp.sourcePackage; 13769 return; 13770 } else { 13771 Slog.w(TAG, "Package " + pkg.packageName 13772 + " attempting to redeclare system permission " 13773 + perm.info.name + "; ignoring new declaration"); 13774 pkg.permissions.remove(i); 13775 } 13776 } 13777 } 13778 } 13779 } 13780 13781 if (systemApp) { 13782 if (onExternal) { 13783 // Abort update; system app can't be replaced with app on sdcard 13784 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 13785 "Cannot install updates to system apps on sdcard"); 13786 return; 13787 } else if (ephemeral) { 13788 // Abort update; system app can't be replaced with an ephemeral app 13789 res.setError(INSTALL_FAILED_EPHEMERAL_INVALID, 13790 "Cannot update a system app with an ephemeral app"); 13791 return; 13792 } 13793 } 13794 13795 if (args.move != null) { 13796 // We did an in-place move, so dex is ready to roll 13797 scanFlags |= SCAN_NO_DEX; 13798 scanFlags |= SCAN_MOVE; 13799 13800 synchronized (mPackages) { 13801 final PackageSetting ps = mSettings.mPackages.get(pkgName); 13802 if (ps == null) { 13803 res.setError(INSTALL_FAILED_INTERNAL_ERROR, 13804 "Missing settings for moved package " + pkgName); 13805 } 13806 13807 // We moved the entire application as-is, so bring over the 13808 // previously derived ABI information. 13809 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 13810 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 13811 } 13812 13813 } else if (!forwardLocked && !pkg.applicationInfo.isExternalAsec()) { 13814 // Enable SCAN_NO_DEX flag to skip dexopt at a later stage 13815 scanFlags |= SCAN_NO_DEX; 13816 13817 try { 13818 String abiOverride = (TextUtils.isEmpty(pkg.cpuAbiOverride) ? 13819 args.abiOverride : pkg.cpuAbiOverride); 13820 derivePackageAbi(pkg, new File(pkg.codePath), abiOverride, 13821 true /* extract libs */); 13822 } catch (PackageManagerException pme) { 13823 Slog.e(TAG, "Error deriving application ABI", pme); 13824 res.setError(INSTALL_FAILED_INTERNAL_ERROR, "Error deriving application ABI"); 13825 return; 13826 } 13827 13828 // Extract package to save the VM unzipping the APK in memory during 13829 // launch. Only do this if profile-guided compilation is enabled because 13830 // otherwise BackgroundDexOptService will not dexopt the package later. 13831 if (mUseJitProfiles) { 13832 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 13833 // Do not run PackageDexOptimizer through the local performDexOpt 13834 // method because `pkg` is not in `mPackages` yet. 13835 int result = mPackageDexOptimizer.performDexOpt(pkg, null /* instructionSets */, 13836 false /* useProfiles */, true /* extractOnly */); 13837 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13838 if (result == PackageDexOptimizer.DEX_OPT_FAILED) { 13839 String msg = "Extracking package failed for " + pkgName; 13840 res.setError(INSTALL_FAILED_DEXOPT, msg); 13841 return; 13842 } 13843 } 13844 } 13845 13846 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 13847 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 13848 return; 13849 } 13850 13851 startIntentFilterVerifications(args.user.getIdentifier(), replace, pkg); 13852 13853 if (replace) { 13854 replacePackageLI(pkg, parseFlags, scanFlags | SCAN_REPLACING, args.user, 13855 installerPackageName, res); 13856 } else { 13857 installNewPackageLI(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 13858 args.user, installerPackageName, volumeUuid, res); 13859 } 13860 synchronized (mPackages) { 13861 final PackageSetting ps = mSettings.mPackages.get(pkgName); 13862 if (ps != null) { 13863 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 13864 } 13865 13866 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 13867 for (int i = 0; i < childCount; i++) { 13868 PackageParser.Package childPkg = pkg.childPackages.get(i); 13869 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 13870 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 13871 if (childPs != null) { 13872 childRes.newUsers = childPs.queryInstalledUsers( 13873 sUserManager.getUserIds(), true); 13874 } 13875 } 13876 } 13877 } 13878 13879 private void startIntentFilterVerifications(int userId, boolean replacing, 13880 PackageParser.Package pkg) { 13881 if (mIntentFilterVerifierComponent == null) { 13882 Slog.w(TAG, "No IntentFilter verification will not be done as " 13883 + "there is no IntentFilterVerifier available!"); 13884 return; 13885 } 13886 13887 final int verifierUid = getPackageUid( 13888 mIntentFilterVerifierComponent.getPackageName(), 13889 MATCH_DEBUG_TRIAGED_MISSING, 13890 (userId == UserHandle.USER_ALL) ? UserHandle.USER_SYSTEM : userId); 13891 13892 Message msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 13893 msg.obj = new IFVerificationParams(pkg, replacing, userId, verifierUid); 13894 mHandler.sendMessage(msg); 13895 13896 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 13897 for (int i = 0; i < childCount; i++) { 13898 PackageParser.Package childPkg = pkg.childPackages.get(i); 13899 msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 13900 msg.obj = new IFVerificationParams(childPkg, replacing, userId, verifierUid); 13901 mHandler.sendMessage(msg); 13902 } 13903 } 13904 13905 private void verifyIntentFiltersIfNeeded(int userId, int verifierUid, boolean replacing, 13906 PackageParser.Package pkg) { 13907 int size = pkg.activities.size(); 13908 if (size == 0) { 13909 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 13910 "No activity, so no need to verify any IntentFilter!"); 13911 return; 13912 } 13913 13914 final boolean hasDomainURLs = hasDomainURLs(pkg); 13915 if (!hasDomainURLs) { 13916 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 13917 "No domain URLs, so no need to verify any IntentFilter!"); 13918 return; 13919 } 13920 13921 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Checking for userId:" + userId 13922 + " if any IntentFilter from the " + size 13923 + " Activities needs verification ..."); 13924 13925 int count = 0; 13926 final String packageName = pkg.packageName; 13927 13928 synchronized (mPackages) { 13929 // If this is a new install and we see that we've already run verification for this 13930 // package, we have nothing to do: it means the state was restored from backup. 13931 if (!replacing) { 13932 IntentFilterVerificationInfo ivi = 13933 mSettings.getIntentFilterVerificationLPr(packageName); 13934 if (ivi != null) { 13935 if (DEBUG_DOMAIN_VERIFICATION) { 13936 Slog.i(TAG, "Package " + packageName+ " already verified: status=" 13937 + ivi.getStatusString()); 13938 } 13939 return; 13940 } 13941 } 13942 13943 // If any filters need to be verified, then all need to be. 13944 boolean needToVerify = false; 13945 for (PackageParser.Activity a : pkg.activities) { 13946 for (ActivityIntentInfo filter : a.intents) { 13947 if (filter.needsVerification() && needsNetworkVerificationLPr(filter)) { 13948 if (DEBUG_DOMAIN_VERIFICATION) { 13949 Slog.d(TAG, "Intent filter needs verification, so processing all filters"); 13950 } 13951 needToVerify = true; 13952 break; 13953 } 13954 } 13955 } 13956 13957 if (needToVerify) { 13958 final int verificationId = mIntentFilterVerificationToken++; 13959 for (PackageParser.Activity a : pkg.activities) { 13960 for (ActivityIntentInfo filter : a.intents) { 13961 if (filter.handlesWebUris(true) && needsNetworkVerificationLPr(filter)) { 13962 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 13963 "Verification needed for IntentFilter:" + filter.toString()); 13964 mIntentFilterVerifier.addOneIntentFilterVerification( 13965 verifierUid, userId, verificationId, filter, packageName); 13966 count++; 13967 } 13968 } 13969 } 13970 } 13971 } 13972 13973 if (count > 0) { 13974 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Starting " + count 13975 + " IntentFilter verification" + (count > 1 ? "s" : "") 13976 + " for userId:" + userId); 13977 mIntentFilterVerifier.startVerifications(userId); 13978 } else { 13979 if (DEBUG_DOMAIN_VERIFICATION) { 13980 Slog.d(TAG, "No filters or not all autoVerify for " + packageName); 13981 } 13982 } 13983 } 13984 13985 private boolean needsNetworkVerificationLPr(ActivityIntentInfo filter) { 13986 final ComponentName cn = filter.activity.getComponentName(); 13987 final String packageName = cn.getPackageName(); 13988 13989 IntentFilterVerificationInfo ivi = mSettings.getIntentFilterVerificationLPr( 13990 packageName); 13991 if (ivi == null) { 13992 return true; 13993 } 13994 int status = ivi.getStatus(); 13995 switch (status) { 13996 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 13997 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 13998 return true; 13999 14000 default: 14001 // Nothing to do 14002 return false; 14003 } 14004 } 14005 14006 private static boolean isMultiArch(ApplicationInfo info) { 14007 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 14008 } 14009 14010 private static boolean isExternal(PackageParser.Package pkg) { 14011 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 14012 } 14013 14014 private static boolean isExternal(PackageSetting ps) { 14015 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 14016 } 14017 14018 private static boolean isEphemeral(PackageParser.Package pkg) { 14019 return pkg.applicationInfo.isEphemeralApp(); 14020 } 14021 14022 private static boolean isEphemeral(PackageSetting ps) { 14023 return ps.pkg != null && isEphemeral(ps.pkg); 14024 } 14025 14026 private static boolean isSystemApp(PackageParser.Package pkg) { 14027 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 14028 } 14029 14030 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 14031 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 14032 } 14033 14034 private static boolean hasDomainURLs(PackageParser.Package pkg) { 14035 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_HAS_DOMAIN_URLS) != 0; 14036 } 14037 14038 private static boolean isSystemApp(PackageSetting ps) { 14039 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 14040 } 14041 14042 private static boolean isUpdatedSystemApp(PackageSetting ps) { 14043 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 14044 } 14045 14046 private int packageFlagsToInstallFlags(PackageSetting ps) { 14047 int installFlags = 0; 14048 if (isEphemeral(ps)) { 14049 installFlags |= PackageManager.INSTALL_EPHEMERAL; 14050 } 14051 if (isExternal(ps) && TextUtils.isEmpty(ps.volumeUuid)) { 14052 // This existing package was an external ASEC install when we have 14053 // the external flag without a UUID 14054 installFlags |= PackageManager.INSTALL_EXTERNAL; 14055 } 14056 if (ps.isForwardLocked()) { 14057 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 14058 } 14059 return installFlags; 14060 } 14061 14062 private String getVolumeUuidForPackage(PackageParser.Package pkg) { 14063 if (isExternal(pkg)) { 14064 if (TextUtils.isEmpty(pkg.volumeUuid)) { 14065 return StorageManager.UUID_PRIMARY_PHYSICAL; 14066 } else { 14067 return pkg.volumeUuid; 14068 } 14069 } else { 14070 return StorageManager.UUID_PRIVATE_INTERNAL; 14071 } 14072 } 14073 14074 private VersionInfo getSettingsVersionForPackage(PackageParser.Package pkg) { 14075 if (isExternal(pkg)) { 14076 if (TextUtils.isEmpty(pkg.volumeUuid)) { 14077 return mSettings.getExternalVersion(); 14078 } else { 14079 return mSettings.findOrCreateVersion(pkg.volumeUuid); 14080 } 14081 } else { 14082 return mSettings.getInternalVersion(); 14083 } 14084 } 14085 14086 private void deleteTempPackageFiles() { 14087 final FilenameFilter filter = new FilenameFilter() { 14088 public boolean accept(File dir, String name) { 14089 return name.startsWith("vmdl") && name.endsWith(".tmp"); 14090 } 14091 }; 14092 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 14093 file.delete(); 14094 } 14095 } 14096 14097 @Override 14098 public void deletePackageAsUser(String packageName, IPackageDeleteObserver observer, int userId, 14099 int flags) { 14100 deletePackage(packageName, new LegacyPackageDeleteObserver(observer).getBinder(), userId, 14101 flags); 14102 } 14103 14104 @Override 14105 public void deletePackage(final String packageName, 14106 final IPackageDeleteObserver2 observer, final int userId, final int flags) { 14107 mContext.enforceCallingOrSelfPermission( 14108 android.Manifest.permission.DELETE_PACKAGES, null); 14109 Preconditions.checkNotNull(packageName); 14110 Preconditions.checkNotNull(observer); 14111 final int uid = Binder.getCallingUid(); 14112 final boolean deleteAllUsers = (flags & PackageManager.DELETE_ALL_USERS) != 0; 14113 final int[] users = deleteAllUsers ? sUserManager.getUserIds() : new int[]{ userId }; 14114 if (UserHandle.getUserId(uid) != userId || (deleteAllUsers && users.length > 1)) { 14115 mContext.enforceCallingOrSelfPermission( 14116 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 14117 "deletePackage for user " + userId); 14118 } 14119 14120 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 14121 try { 14122 observer.onPackageDeleted(packageName, 14123 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 14124 } catch (RemoteException re) { 14125 } 14126 return; 14127 } 14128 14129 for (int currentUserId : users) { 14130 if (getBlockUninstallForUser(packageName, currentUserId)) { 14131 try { 14132 observer.onPackageDeleted(packageName, 14133 PackageManager.DELETE_FAILED_OWNER_BLOCKED, null); 14134 } catch (RemoteException re) { 14135 } 14136 return; 14137 } 14138 } 14139 14140 if (DEBUG_REMOVE) { 14141 Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId); 14142 } 14143 // Queue up an async operation since the package deletion may take a little while. 14144 mHandler.post(new Runnable() { 14145 public void run() { 14146 mHandler.removeCallbacks(this); 14147 final int returnCode = deletePackageX(packageName, userId, flags); 14148 try { 14149 observer.onPackageDeleted(packageName, returnCode, null); 14150 } catch (RemoteException e) { 14151 Log.i(TAG, "Observer no longer exists."); 14152 } //end catch 14153 } //end run 14154 }); 14155 } 14156 14157 @Override 14158 public boolean isPackageDeviceAdminOnAnyUser(String packageName) { 14159 return isPackageDeviceAdmin(packageName, UserHandle.USER_ALL); 14160 } 14161 14162 private boolean isPackageDeviceAdmin(String packageName, int userId) { 14163 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 14164 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 14165 try { 14166 if (dpm != null) { 14167 final ComponentName deviceOwnerComponentName = dpm.getDeviceOwnerComponent( 14168 /* callingUserOnly =*/ false); 14169 final String deviceOwnerPackageName = deviceOwnerComponentName == null ? null 14170 : deviceOwnerComponentName.getPackageName(); 14171 // Does the package contains the device owner? 14172 // TODO Do we have to do it even if userId != UserHandle.USER_ALL? Otherwise, 14173 // this check is probably not needed, since DO should be registered as a device 14174 // admin on some user too. (Original bug for this: b/17657954) 14175 if (packageName.equals(deviceOwnerPackageName)) { 14176 return true; 14177 } 14178 // Does it contain a device admin for any user? 14179 int[] users; 14180 if (userId == UserHandle.USER_ALL) { 14181 users = sUserManager.getUserIds(); 14182 } else { 14183 users = new int[]{userId}; 14184 } 14185 for (int i = 0; i < users.length; ++i) { 14186 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 14187 return true; 14188 } 14189 } 14190 } 14191 } catch (RemoteException e) { 14192 } 14193 return false; 14194 } 14195 14196 private boolean shouldKeepUninstalledPackageLPr(String packageName) { 14197 return mKeepUninstalledPackages != null && mKeepUninstalledPackages.contains(packageName); 14198 } 14199 14200 /** 14201 * This method is an internal method that could be get invoked either 14202 * to delete an installed package or to clean up a failed installation. 14203 * After deleting an installed package, a broadcast is sent to notify any 14204 * listeners that the package has been installed. For cleaning up a failed 14205 * installation, the broadcast is not necessary since the package's 14206 * installation wouldn't have sent the initial broadcast either 14207 * The key steps in deleting a package are 14208 * deleting the package information in internal structures like mPackages, 14209 * deleting the packages base directories through installd 14210 * updating mSettings to reflect current status 14211 * persisting settings for later use 14212 * sending a broadcast if necessary 14213 */ 14214 private int deletePackageX(String packageName, int userId, int flags) { 14215 final PackageRemovedInfo info = new PackageRemovedInfo(); 14216 final boolean res; 14217 14218 final UserHandle removeForUser = (flags & PackageManager.DELETE_ALL_USERS) != 0 14219 ? UserHandle.ALL : new UserHandle(userId); 14220 14221 if (isPackageDeviceAdmin(packageName, removeForUser.getIdentifier())) { 14222 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 14223 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 14224 } 14225 14226 PackageSetting uninstalledPs = null; 14227 14228 // for the uninstall-updates case and restricted profiles, remember the per- 14229 // user handle installed state 14230 int[] allUsers; 14231 synchronized (mPackages) { 14232 uninstalledPs = mSettings.mPackages.get(packageName); 14233 if (uninstalledPs == null) { 14234 Slog.w(TAG, "Not removing non-existent package " + packageName); 14235 return PackageManager.DELETE_FAILED_INTERNAL_ERROR; 14236 } 14237 allUsers = sUserManager.getUserIds(); 14238 info.origUsers = uninstalledPs.queryInstalledUsers(allUsers, true); 14239 } 14240 14241 synchronized (mInstallLock) { 14242 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 14243 res = deletePackageLI(packageName, removeForUser, true, allUsers, 14244 flags | REMOVE_CHATTY, info, true, null); 14245 synchronized (mPackages) { 14246 if (res) { 14247 mEphemeralApplicationRegistry.onPackageUninstalledLPw(uninstalledPs.pkg); 14248 } 14249 } 14250 } 14251 14252 if (res) { 14253 info.sendPackageRemovedBroadcasts(); 14254 info.sendSystemPackageUpdatedBroadcasts(); 14255 info.sendSystemPackageAppearedBroadcasts(); 14256 } 14257 // Force a gc here. 14258 Runtime.getRuntime().gc(); 14259 // Delete the resources here after sending the broadcast to let 14260 // other processes clean up before deleting resources. 14261 if (info.args != null) { 14262 synchronized (mInstallLock) { 14263 info.args.doPostDeleteLI(true); 14264 } 14265 } 14266 14267 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 14268 } 14269 14270 class PackageRemovedInfo { 14271 String removedPackage; 14272 int uid = -1; 14273 int removedAppId = -1; 14274 int[] origUsers; 14275 int[] removedUsers = null; 14276 boolean isRemovedPackageSystemUpdate = false; 14277 boolean isUpdate; 14278 boolean dataRemoved; 14279 boolean removedForAllUsers; 14280 // Clean up resources deleted packages. 14281 InstallArgs args = null; 14282 ArrayMap<String, PackageRemovedInfo> removedChildPackages; 14283 ArrayMap<String, PackageInstalledInfo> appearedChildPackages; 14284 14285 void sendPackageRemovedBroadcasts() { 14286 sendPackageRemovedBroadcastInternal(); 14287 final int childCount = removedChildPackages != null ? removedChildPackages.size() : 0; 14288 for (int i = 0; i < childCount; i++) { 14289 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 14290 childInfo.sendPackageRemovedBroadcastInternal(); 14291 } 14292 } 14293 14294 void sendSystemPackageUpdatedBroadcasts() { 14295 if (isRemovedPackageSystemUpdate) { 14296 sendSystemPackageUpdatedBroadcastsInternal(); 14297 final int childCount = (removedChildPackages != null) 14298 ? removedChildPackages.size() : 0; 14299 for (int i = 0; i < childCount; i++) { 14300 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 14301 if (childInfo.isRemovedPackageSystemUpdate) { 14302 childInfo.sendSystemPackageUpdatedBroadcastsInternal(); 14303 } 14304 } 14305 } 14306 } 14307 14308 void sendSystemPackageAppearedBroadcasts() { 14309 final int packageCount = (appearedChildPackages != null) 14310 ? appearedChildPackages.size() : 0; 14311 for (int i = 0; i < packageCount; i++) { 14312 PackageInstalledInfo installedInfo = appearedChildPackages.valueAt(i); 14313 for (int userId : installedInfo.newUsers) { 14314 sendPackageAddedForUser(installedInfo.name, true, 14315 UserHandle.getAppId(installedInfo.uid), userId); 14316 } 14317 } 14318 } 14319 14320 private void sendSystemPackageUpdatedBroadcastsInternal() { 14321 Bundle extras = new Bundle(2); 14322 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 14323 extras.putBoolean(Intent.EXTRA_REPLACING, true); 14324 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, removedPackage, 14325 extras, 0, null, null, null); 14326 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, removedPackage, 14327 extras, 0, null, null, null); 14328 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 14329 null, 0, removedPackage, null, null); 14330 } 14331 14332 private void sendPackageRemovedBroadcastInternal() { 14333 Bundle extras = new Bundle(2); 14334 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 14335 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, dataRemoved); 14336 if (isUpdate || isRemovedPackageSystemUpdate) { 14337 extras.putBoolean(Intent.EXTRA_REPLACING, true); 14338 } 14339 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 14340 if (removedPackage != null) { 14341 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 14342 extras, 0, null, null, removedUsers); 14343 if (dataRemoved && !isRemovedPackageSystemUpdate) { 14344 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, 14345 removedPackage, extras, 0, null, null, removedUsers); 14346 } 14347 } 14348 if (removedAppId >= 0) { 14349 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, 0, null, null, 14350 removedUsers); 14351 } 14352 } 14353 } 14354 14355 /* 14356 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 14357 * flag is not set, the data directory is removed as well. 14358 * make sure this flag is set for partially installed apps. If not its meaningless to 14359 * delete a partially installed application. 14360 */ 14361 private void removePackageDataLI(PackageSetting ps, int[] allUserHandles, 14362 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 14363 String packageName = ps.name; 14364 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 14365 removePackageLI(ps, (flags&REMOVE_CHATTY) != 0); 14366 // Retrieve object to delete permissions for shared user later on 14367 final PackageSetting deletedPs; 14368 // reader 14369 synchronized (mPackages) { 14370 deletedPs = mSettings.mPackages.get(packageName); 14371 if (outInfo != null) { 14372 outInfo.removedPackage = packageName; 14373 outInfo.removedUsers = deletedPs != null 14374 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 14375 : null; 14376 } 14377 } 14378 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 14379 removeDataDirsLI(ps.volumeUuid, packageName); 14380 if (outInfo != null) { 14381 outInfo.dataRemoved = true; 14382 } 14383 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 14384 } 14385 // writer 14386 synchronized (mPackages) { 14387 if (deletedPs != null) { 14388 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 14389 clearIntentFilterVerificationsLPw(deletedPs.name, UserHandle.USER_ALL); 14390 clearDefaultBrowserIfNeeded(packageName); 14391 if (outInfo != null) { 14392 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 14393 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 14394 } 14395 updatePermissionsLPw(deletedPs.name, null, 0); 14396 if (deletedPs.sharedUser != null) { 14397 // Remove permissions associated with package. Since runtime 14398 // permissions are per user we have to kill the removed package 14399 // or packages running under the shared user of the removed 14400 // package if revoking the permissions requested only by the removed 14401 // package is successful and this causes a change in gids. 14402 for (int userId : UserManagerService.getInstance().getUserIds()) { 14403 final int userIdToKill = mSettings.updateSharedUserPermsLPw(deletedPs, 14404 userId); 14405 if (userIdToKill == UserHandle.USER_ALL 14406 || userIdToKill >= UserHandle.USER_SYSTEM) { 14407 // If gids changed for this user, kill all affected packages. 14408 mHandler.post(new Runnable() { 14409 @Override 14410 public void run() { 14411 // This has to happen with no lock held. 14412 killApplication(deletedPs.name, deletedPs.appId, 14413 KILL_APP_REASON_GIDS_CHANGED); 14414 } 14415 }); 14416 break; 14417 } 14418 } 14419 } 14420 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 14421 } 14422 // make sure to preserve per-user disabled state if this removal was just 14423 // a downgrade of a system app to the factory package 14424 if (allUserHandles != null && outInfo != null && outInfo.origUsers != null) { 14425 if (DEBUG_REMOVE) { 14426 Slog.d(TAG, "Propagating install state across downgrade"); 14427 } 14428 for (int userId : allUserHandles) { 14429 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 14430 if (DEBUG_REMOVE) { 14431 Slog.d(TAG, " user " + userId + " => " + installed); 14432 } 14433 ps.setInstalled(installed, userId); 14434 } 14435 } 14436 } 14437 // can downgrade to reader 14438 if (writeSettings) { 14439 // Save settings now 14440 mSettings.writeLPr(); 14441 } 14442 } 14443 if (outInfo != null) { 14444 // A user ID was deleted here. Go through all users and remove it 14445 // from KeyStore. 14446 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 14447 } 14448 } 14449 14450 static boolean locationIsPrivileged(File path) { 14451 try { 14452 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 14453 .getCanonicalPath(); 14454 return path.getCanonicalPath().startsWith(privilegedAppDir); 14455 } catch (IOException e) { 14456 Slog.e(TAG, "Unable to access code path " + path); 14457 } 14458 return false; 14459 } 14460 14461 /* 14462 * Tries to delete system package. 14463 */ 14464 private boolean deleteSystemPackageLI(PackageParser.Package deletedPkg, 14465 PackageSetting deletedPs, int[] allUserHandles, int flags, PackageRemovedInfo outInfo, 14466 boolean writeSettings) { 14467 if (deletedPkg.parentPackage != null) { 14468 Slog.w(TAG, "Attempt to delete child system package " + deletedPkg.packageName); 14469 return false; 14470 } 14471 14472 final boolean applyUserRestrictions 14473 = (allUserHandles != null) && (outInfo.origUsers != null); 14474 final PackageSetting disabledPs; 14475 // Confirm if the system package has been updated 14476 // An updated system app can be deleted. This will also have to restore 14477 // the system pkg from system partition 14478 // reader 14479 synchronized (mPackages) { 14480 disabledPs = mSettings.getDisabledSystemPkgLPr(deletedPkg.packageName); 14481 } 14482 14483 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + deletedPkg.packageName 14484 + " disabledPs=" + disabledPs); 14485 14486 if (disabledPs == null) { 14487 Slog.w(TAG, "Attempt to delete unknown system package "+ deletedPkg.packageName); 14488 return false; 14489 } else if (DEBUG_REMOVE) { 14490 Slog.d(TAG, "Deleting system pkg from data partition"); 14491 } 14492 14493 if (DEBUG_REMOVE) { 14494 if (applyUserRestrictions) { 14495 Slog.d(TAG, "Remembering install states:"); 14496 for (int userId : allUserHandles) { 14497 final boolean finstalled = ArrayUtils.contains(outInfo.origUsers, userId); 14498 Slog.d(TAG, " u=" + userId + " inst=" + finstalled); 14499 } 14500 } 14501 } 14502 14503 // Delete the updated package 14504 outInfo.isRemovedPackageSystemUpdate = true; 14505 if (outInfo.removedChildPackages != null) { 14506 final int childCount = (deletedPkg.childPackages != null) 14507 ? deletedPkg.childPackages.size() : 0; 14508 for (int i = 0; i < childCount; i++) { 14509 String childPackageName = deletedPkg.childPackages.get(i).packageName; 14510 if (disabledPs.childPackageNames != null && disabledPs.childPackageNames 14511 .contains(childPackageName)) { 14512 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 14513 childPackageName); 14514 if (childInfo != null) { 14515 childInfo.isRemovedPackageSystemUpdate = true; 14516 } 14517 } 14518 } 14519 } 14520 14521 if (disabledPs.versionCode < deletedPs.versionCode) { 14522 // Delete data for downgrades 14523 flags &= ~PackageManager.DELETE_KEEP_DATA; 14524 } else { 14525 // Preserve data by setting flag 14526 flags |= PackageManager.DELETE_KEEP_DATA; 14527 } 14528 14529 boolean ret = deleteInstalledPackageLI(deletedPkg, true, flags, allUserHandles, 14530 outInfo, writeSettings, disabledPs.pkg); 14531 if (!ret) { 14532 return false; 14533 } 14534 14535 // writer 14536 synchronized (mPackages) { 14537 // Reinstate the old system package 14538 enableSystemPackageLPw(disabledPs.pkg); 14539 // Remove any native libraries from the upgraded package. 14540 removeNativeBinariesLI(deletedPkg); 14541 } 14542 14543 // Install the system package 14544 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 14545 int parseFlags = PackageParser.PARSE_MUST_BE_APK | PackageParser.PARSE_IS_SYSTEM; 14546 if (locationIsPrivileged(disabledPs.codePath)) { 14547 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 14548 } 14549 14550 final PackageParser.Package newPkg; 14551 try { 14552 newPkg = scanPackageTracedLI(disabledPs.codePath, parseFlags, SCAN_NO_PATHS, 0, null); 14553 } catch (PackageManagerException e) { 14554 Slog.w(TAG, "Failed to restore system package:" + deletedPkg.packageName + ": " 14555 + e.getMessage()); 14556 return false; 14557 } 14558 14559 prepareAppDataAfterInstall(newPkg); 14560 14561 // writer 14562 synchronized (mPackages) { 14563 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 14564 14565 // Propagate the permissions state as we do not want to drop on the floor 14566 // runtime permissions. The update permissions method below will take 14567 // care of removing obsolete permissions and grant install permissions. 14568 ps.getPermissionsState().copyFrom(deletedPs.getPermissionsState()); 14569 updatePermissionsLPw(newPkg.packageName, newPkg, 14570 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 14571 14572 if (applyUserRestrictions) { 14573 if (DEBUG_REMOVE) { 14574 Slog.d(TAG, "Propagating install state across reinstall"); 14575 } 14576 for (int userId : allUserHandles) { 14577 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 14578 if (DEBUG_REMOVE) { 14579 Slog.d(TAG, " user " + userId + " => " + installed); 14580 } 14581 ps.setInstalled(installed, userId); 14582 14583 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 14584 } 14585 // Regardless of writeSettings we need to ensure that this restriction 14586 // state propagation is persisted 14587 mSettings.writeAllUsersPackageRestrictionsLPr(); 14588 } 14589 // can downgrade to reader here 14590 if (writeSettings) { 14591 mSettings.writeLPr(); 14592 } 14593 } 14594 return true; 14595 } 14596 14597 private boolean deleteInstalledPackageLI(PackageParser.Package pkg, 14598 boolean deleteCodeAndResources, int flags, int[] allUserHandles, 14599 PackageRemovedInfo outInfo, boolean writeSettings, 14600 PackageParser.Package replacingPackage) { 14601 PackageSetting ps = null; 14602 14603 synchronized (mPackages) { 14604 pkg = mPackages.get(pkg.packageName); 14605 if (pkg == null) { 14606 return false; 14607 } 14608 14609 ps = mSettings.mPackages.get(pkg.packageName); 14610 if (ps == null) { 14611 return false; 14612 } 14613 14614 if (outInfo != null) { 14615 outInfo.uid = ps.appId; 14616 } 14617 14618 if (outInfo != null && outInfo.removedChildPackages != null) { 14619 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14620 for (int i = 0; i < childCount; i++) { 14621 String childPackageName = ps.childPackageNames.get(i); 14622 PackageSetting childPs = mSettings.mPackages.get(childPackageName); 14623 if (childPs == null) { 14624 return false; 14625 } 14626 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 14627 childPackageName); 14628 if (childInfo != null) { 14629 childInfo.uid = childPs.appId; 14630 } 14631 } 14632 } 14633 } 14634 14635 // Delete package data from internal structures and also remove data if flag is set 14636 removePackageDataLI(ps, allUserHandles, outInfo, flags, writeSettings); 14637 14638 // Delete the child packages data 14639 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14640 for (int i = 0; i < childCount; i++) { 14641 PackageSetting childPs; 14642 synchronized (mPackages) { 14643 childPs = mSettings.peekPackageLPr(pkg.childPackages.get(i).packageName); 14644 } 14645 if (childPs != null) { 14646 PackageRemovedInfo childOutInfo = (outInfo != null 14647 && outInfo.removedChildPackages != null) 14648 ? outInfo.removedChildPackages.get(childPs.name) : null; 14649 final int deleteFlags = (flags & DELETE_KEEP_DATA) != 0 14650 && (replacingPackage != null 14651 && !replacingPackage.hasChildPackage(childPs.name)) 14652 ? flags & ~DELETE_KEEP_DATA : flags; 14653 removePackageDataLI(childPs, allUserHandles, childOutInfo, 14654 deleteFlags, writeSettings); 14655 } 14656 } 14657 14658 // Delete application code and resources only for parent packages 14659 if (ps.pkg.parentPackage == null) { 14660 if (deleteCodeAndResources && (outInfo != null)) { 14661 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 14662 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 14663 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 14664 } 14665 } 14666 14667 return true; 14668 } 14669 14670 @Override 14671 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 14672 int userId) { 14673 mContext.enforceCallingOrSelfPermission( 14674 android.Manifest.permission.DELETE_PACKAGES, null); 14675 synchronized (mPackages) { 14676 PackageSetting ps = mSettings.mPackages.get(packageName); 14677 if (ps == null) { 14678 Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); 14679 return false; 14680 } 14681 if (!ps.getInstalled(userId)) { 14682 // Can't block uninstall for an app that is not installed or enabled. 14683 Log.i(TAG, "Package not installed in set block uninstall " + packageName); 14684 return false; 14685 } 14686 ps.setBlockUninstall(blockUninstall, userId); 14687 mSettings.writePackageRestrictionsLPr(userId); 14688 } 14689 return true; 14690 } 14691 14692 @Override 14693 public boolean getBlockUninstallForUser(String packageName, int userId) { 14694 synchronized (mPackages) { 14695 PackageSetting ps = mSettings.mPackages.get(packageName); 14696 if (ps == null) { 14697 Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); 14698 return false; 14699 } 14700 return ps.getBlockUninstall(userId); 14701 } 14702 } 14703 14704 @Override 14705 public boolean setRequiredForSystemUser(String packageName, boolean systemUserApp) { 14706 int callingUid = Binder.getCallingUid(); 14707 if (callingUid != Process.SYSTEM_UID && callingUid != Process.ROOT_UID) { 14708 throw new SecurityException( 14709 "setRequiredForSystemUser can only be run by the system or root"); 14710 } 14711 synchronized (mPackages) { 14712 PackageSetting ps = mSettings.mPackages.get(packageName); 14713 if (ps == null) { 14714 Log.w(TAG, "Package doesn't exist: " + packageName); 14715 return false; 14716 } 14717 if (systemUserApp) { 14718 ps.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 14719 } else { 14720 ps.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 14721 } 14722 mSettings.writeLPr(); 14723 } 14724 return true; 14725 } 14726 14727 /* 14728 * This method handles package deletion in general 14729 */ 14730 private boolean deletePackageLI(String packageName, UserHandle user, 14731 boolean deleteCodeAndResources, int[] allUserHandles, int flags, 14732 PackageRemovedInfo outInfo, boolean writeSettings, 14733 PackageParser.Package replacingPackage) { 14734 if (packageName == null) { 14735 Slog.w(TAG, "Attempt to delete null packageName."); 14736 return false; 14737 } 14738 14739 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 14740 14741 PackageSetting ps; 14742 14743 synchronized (mPackages) { 14744 ps = mSettings.mPackages.get(packageName); 14745 if (ps == null) { 14746 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 14747 return false; 14748 } 14749 14750 if (ps.pkg != null && ps.pkg.parentPackage != null && (!isSystemApp(ps) 14751 || (flags & PackageManager.DELETE_SYSTEM_APP) != 0)) { 14752 if (DEBUG_REMOVE) { 14753 Slog.d(TAG, "Uninstalled child package:" + packageName + " for user:" 14754 + ((user == null) ? UserHandle.USER_ALL : user)); 14755 } 14756 final int removedUserId = (user != null) ? user.getIdentifier() 14757 : UserHandle.USER_ALL; 14758 if (!clearPackageStateForUser(ps, removedUserId, outInfo)) { 14759 return false; 14760 } 14761 markPackageUninstalledForUserLPw(ps, user); 14762 scheduleWritePackageRestrictionsLocked(user); 14763 return true; 14764 } 14765 } 14766 14767 if (((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 14768 && user.getIdentifier() != UserHandle.USER_ALL)) { 14769 // The caller is asking that the package only be deleted for a single 14770 // user. To do this, we just mark its uninstalled state and delete 14771 // its data. If this is a system app, we only allow this to happen if 14772 // they have set the special DELETE_SYSTEM_APP which requests different 14773 // semantics than normal for uninstalling system apps. 14774 markPackageUninstalledForUserLPw(ps, user); 14775 14776 if (!isSystemApp(ps)) { 14777 // Do not uninstall the APK if an app should be cached 14778 boolean keepUninstalledPackage = shouldKeepUninstalledPackageLPr(packageName); 14779 if (ps.isAnyInstalled(sUserManager.getUserIds()) || keepUninstalledPackage) { 14780 // Other user still have this package installed, so all 14781 // we need to do is clear this user's data and save that 14782 // it is uninstalled. 14783 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 14784 if (!clearPackageStateForUser(ps, user.getIdentifier(), outInfo)) { 14785 return false; 14786 } 14787 scheduleWritePackageRestrictionsLocked(user); 14788 return true; 14789 } else { 14790 // We need to set it back to 'installed' so the uninstall 14791 // broadcasts will be sent correctly. 14792 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 14793 ps.setInstalled(true, user.getIdentifier()); 14794 } 14795 } else { 14796 // This is a system app, so we assume that the 14797 // other users still have this package installed, so all 14798 // we need to do is clear this user's data and save that 14799 // it is uninstalled. 14800 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 14801 if (!clearPackageStateForUser(ps, user.getIdentifier(), outInfo)) { 14802 return false; 14803 } 14804 scheduleWritePackageRestrictionsLocked(user); 14805 return true; 14806 } 14807 } 14808 14809 // If we are deleting a composite package for all users, keep track 14810 // of result for each child. 14811 if (ps.childPackageNames != null && outInfo != null) { 14812 synchronized (mPackages) { 14813 final int childCount = ps.childPackageNames.size(); 14814 outInfo.removedChildPackages = new ArrayMap<>(childCount); 14815 for (int i = 0; i < childCount; i++) { 14816 String childPackageName = ps.childPackageNames.get(i); 14817 PackageRemovedInfo childInfo = new PackageRemovedInfo(); 14818 childInfo.removedPackage = childPackageName; 14819 outInfo.removedChildPackages.put(childPackageName, childInfo); 14820 PackageSetting childPs = mSettings.peekPackageLPr(childPackageName); 14821 if (childPs != null) { 14822 childInfo.origUsers = childPs.queryInstalledUsers(allUserHandles, true); 14823 } 14824 } 14825 } 14826 } 14827 14828 boolean ret = false; 14829 if (isSystemApp(ps)) { 14830 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package: " + ps.name); 14831 // When an updated system application is deleted we delete the existing resources 14832 // as well and fall back to existing code in system partition 14833 ret = deleteSystemPackageLI(ps.pkg, ps, allUserHandles, flags, outInfo, writeSettings); 14834 } else { 14835 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package: " + ps.name); 14836 // Kill application pre-emptively especially for apps on sd. 14837 killApplication(packageName, ps.appId, "uninstall pkg"); 14838 ret = deleteInstalledPackageLI(ps.pkg, deleteCodeAndResources, flags, allUserHandles, 14839 outInfo, writeSettings, replacingPackage); 14840 } 14841 14842 // Take a note whether we deleted the package for all users 14843 if (outInfo != null) { 14844 outInfo.removedForAllUsers = mPackages.get(ps.name) == null; 14845 if (outInfo.removedChildPackages != null) { 14846 synchronized (mPackages) { 14847 final int childCount = outInfo.removedChildPackages.size(); 14848 for (int i = 0; i < childCount; i++) { 14849 PackageRemovedInfo childInfo = outInfo.removedChildPackages.valueAt(i); 14850 if (childInfo != null) { 14851 childInfo.removedForAllUsers = mPackages.get( 14852 childInfo.removedPackage) == null; 14853 } 14854 } 14855 } 14856 } 14857 // If we uninstalled an update to a system app there may be some 14858 // child packages that appeared as they are declared in the system 14859 // app but were not declared in the update. 14860 if (isSystemApp(ps)) { 14861 synchronized (mPackages) { 14862 PackageSetting updatedPs = mSettings.peekPackageLPr(ps.name); 14863 final int childCount = (updatedPs.childPackageNames != null) 14864 ? updatedPs.childPackageNames.size() : 0; 14865 for (int i = 0; i < childCount; i++) { 14866 String childPackageName = updatedPs.childPackageNames.get(i); 14867 if (outInfo.removedChildPackages == null 14868 || outInfo.removedChildPackages.indexOfKey(childPackageName) < 0) { 14869 PackageSetting childPs = mSettings.peekPackageLPr(childPackageName); 14870 if (childPs == null) { 14871 continue; 14872 } 14873 PackageInstalledInfo installRes = new PackageInstalledInfo(); 14874 installRes.name = childPackageName; 14875 installRes.newUsers = childPs.queryInstalledUsers(allUserHandles, true); 14876 installRes.pkg = mPackages.get(childPackageName); 14877 installRes.uid = childPs.pkg.applicationInfo.uid; 14878 if (outInfo.appearedChildPackages == null) { 14879 outInfo.appearedChildPackages = new ArrayMap<>(); 14880 } 14881 outInfo.appearedChildPackages.put(childPackageName, installRes); 14882 } 14883 } 14884 } 14885 } 14886 } 14887 14888 return ret; 14889 } 14890 14891 private void markPackageUninstalledForUserLPw(PackageSetting ps, UserHandle user) { 14892 final int[] userIds = (user == null || user.getIdentifier() == UserHandle.USER_ALL) 14893 ? sUserManager.getUserIds() : new int[] {user.getIdentifier()}; 14894 for (int nextUserId : userIds) { 14895 if (DEBUG_REMOVE) { 14896 Slog.d(TAG, "Marking package:" + ps.name + " uninstalled for user:" + nextUserId); 14897 } 14898 ps.setUserState(nextUserId, COMPONENT_ENABLED_STATE_DEFAULT, 14899 false /*installed*/, true /*stopped*/, true /*notLaunched*/, 14900 false /*hidden*/, false /*suspended*/, null, null, null, 14901 false /*blockUninstall*/, 14902 ps.readUserState(nextUserId).domainVerificationStatus, 0); 14903 } 14904 } 14905 14906 private boolean clearPackageStateForUser(PackageSetting ps, int userId, 14907 PackageRemovedInfo outInfo) { 14908 final int[] userIds = (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() 14909 : new int[] {userId}; 14910 for (int nextUserId : userIds) { 14911 if (DEBUG_REMOVE) { 14912 Slog.d(TAG, "Updating package:" + ps.name + " install state for user:" 14913 + nextUserId); 14914 } 14915 final int flags = StorageManager.FLAG_STORAGE_CE| StorageManager.FLAG_STORAGE_DE; 14916 try { 14917 mInstaller.destroyAppData(ps.volumeUuid, ps.name, nextUserId, flags); 14918 } catch (InstallerException e) { 14919 Slog.w(TAG, "Couldn't remove cache files for package " + ps.name, e); 14920 return false; 14921 } 14922 removeKeystoreDataIfNeeded(nextUserId, ps.appId); 14923 schedulePackageCleaning(ps.name, nextUserId, false); 14924 synchronized (mPackages) { 14925 if (clearPackagePreferredActivitiesLPw(ps.name, nextUserId)) { 14926 scheduleWritePackageRestrictionsLocked(nextUserId); 14927 } 14928 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, nextUserId); 14929 } 14930 } 14931 14932 if (outInfo != null) { 14933 outInfo.removedPackage = ps.name; 14934 outInfo.removedAppId = ps.appId; 14935 outInfo.removedUsers = userIds; 14936 } 14937 14938 return true; 14939 } 14940 14941 private final class ClearStorageConnection implements ServiceConnection { 14942 IMediaContainerService mContainerService; 14943 14944 @Override 14945 public void onServiceConnected(ComponentName name, IBinder service) { 14946 synchronized (this) { 14947 mContainerService = IMediaContainerService.Stub.asInterface(service); 14948 notifyAll(); 14949 } 14950 } 14951 14952 @Override 14953 public void onServiceDisconnected(ComponentName name) { 14954 } 14955 } 14956 14957 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 14958 final boolean mounted; 14959 if (Environment.isExternalStorageEmulated()) { 14960 mounted = true; 14961 } else { 14962 final String status = Environment.getExternalStorageState(); 14963 14964 mounted = status.equals(Environment.MEDIA_MOUNTED) 14965 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 14966 } 14967 14968 if (!mounted) { 14969 return; 14970 } 14971 14972 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 14973 int[] users; 14974 if (userId == UserHandle.USER_ALL) { 14975 users = sUserManager.getUserIds(); 14976 } else { 14977 users = new int[] { userId }; 14978 } 14979 final ClearStorageConnection conn = new ClearStorageConnection(); 14980 if (mContext.bindServiceAsUser( 14981 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 14982 try { 14983 for (int curUser : users) { 14984 long timeout = SystemClock.uptimeMillis() + 5000; 14985 synchronized (conn) { 14986 long now = SystemClock.uptimeMillis(); 14987 while (conn.mContainerService == null && now < timeout) { 14988 try { 14989 conn.wait(timeout - now); 14990 } catch (InterruptedException e) { 14991 } 14992 } 14993 } 14994 if (conn.mContainerService == null) { 14995 return; 14996 } 14997 14998 final UserEnvironment userEnv = new UserEnvironment(curUser); 14999 clearDirectory(conn.mContainerService, 15000 userEnv.buildExternalStorageAppCacheDirs(packageName)); 15001 if (allData) { 15002 clearDirectory(conn.mContainerService, 15003 userEnv.buildExternalStorageAppDataDirs(packageName)); 15004 clearDirectory(conn.mContainerService, 15005 userEnv.buildExternalStorageAppMediaDirs(packageName)); 15006 } 15007 } 15008 } finally { 15009 mContext.unbindService(conn); 15010 } 15011 } 15012 } 15013 15014 @Override 15015 public void clearApplicationUserData(final String packageName, 15016 final IPackageDataObserver observer, final int userId) { 15017 mContext.enforceCallingOrSelfPermission( 15018 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 15019 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, "clear application data"); 15020 // Queue up an async operation since the package deletion may take a little while. 15021 mHandler.post(new Runnable() { 15022 public void run() { 15023 mHandler.removeCallbacks(this); 15024 final boolean succeeded; 15025 synchronized (mInstallLock) { 15026 succeeded = clearApplicationUserDataLI(packageName, userId); 15027 } 15028 clearExternalStorageDataSync(packageName, userId, true); 15029 if (succeeded) { 15030 // invoke DeviceStorageMonitor's update method to clear any notifications 15031 DeviceStorageMonitorInternal 15032 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 15033 if (dsm != null) { 15034 dsm.checkMemory(); 15035 } 15036 } 15037 if(observer != null) { 15038 try { 15039 observer.onRemoveCompleted(packageName, succeeded); 15040 } catch (RemoteException e) { 15041 Log.i(TAG, "Observer no longer exists."); 15042 } 15043 } //end if observer 15044 } //end run 15045 }); 15046 } 15047 15048 private boolean clearApplicationUserDataLI(String packageName, int userId) { 15049 if (packageName == null) { 15050 Slog.w(TAG, "Attempt to delete null packageName."); 15051 return false; 15052 } 15053 15054 // Try finding details about the requested package 15055 PackageParser.Package pkg; 15056 synchronized (mPackages) { 15057 pkg = mPackages.get(packageName); 15058 if (pkg == null) { 15059 final PackageSetting ps = mSettings.mPackages.get(packageName); 15060 if (ps != null) { 15061 pkg = ps.pkg; 15062 } 15063 } 15064 15065 if (pkg == null) { 15066 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 15067 return false; 15068 } 15069 15070 PackageSetting ps = (PackageSetting) pkg.mExtras; 15071 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 15072 } 15073 15074 // Always delete data directories for package, even if we found no other 15075 // record of app. This helps users recover from UID mismatches without 15076 // resorting to a full data wipe. 15077 // TODO: triage flags as part of 26466827 15078 final int flags = StorageManager.FLAG_STORAGE_CE | StorageManager.FLAG_STORAGE_DE; 15079 try { 15080 mInstaller.clearAppData(pkg.volumeUuid, packageName, userId, flags); 15081 } catch (InstallerException e) { 15082 Slog.w(TAG, "Couldn't remove cache files for package " + packageName, e); 15083 return false; 15084 } 15085 15086 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 15087 removeKeystoreDataIfNeeded(userId, appId); 15088 15089 // Create a native library symlink only if we have native libraries 15090 // and if the native libraries are 32 bit libraries. We do not provide 15091 // this symlink for 64 bit libraries. 15092 if (pkg.applicationInfo.primaryCpuAbi != null && 15093 !VMRuntime.is64BitAbi(pkg.applicationInfo.primaryCpuAbi)) { 15094 final String nativeLibPath = pkg.applicationInfo.nativeLibraryDir; 15095 try { 15096 mInstaller.linkNativeLibraryDirectory(pkg.volumeUuid, pkg.packageName, 15097 nativeLibPath, userId); 15098 } catch (InstallerException e) { 15099 Slog.w(TAG, "Failed linking native library dir", e); 15100 return false; 15101 } 15102 } 15103 15104 return true; 15105 } 15106 15107 /** 15108 * Reverts user permission state changes (permissions and flags) in 15109 * all packages for a given user. 15110 * 15111 * @param userId The device user for which to do a reset. 15112 */ 15113 private void resetUserChangesToRuntimePermissionsAndFlagsLPw(int userId) { 15114 final int packageCount = mPackages.size(); 15115 for (int i = 0; i < packageCount; i++) { 15116 PackageParser.Package pkg = mPackages.valueAt(i); 15117 PackageSetting ps = (PackageSetting) pkg.mExtras; 15118 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 15119 } 15120 } 15121 15122 /** 15123 * Reverts user permission state changes (permissions and flags). 15124 * 15125 * @param ps The package for which to reset. 15126 * @param userId The device user for which to do a reset. 15127 */ 15128 private void resetUserChangesToRuntimePermissionsAndFlagsLPw( 15129 final PackageSetting ps, final int userId) { 15130 if (ps.pkg == null) { 15131 return; 15132 } 15133 15134 // These are flags that can change base on user actions. 15135 final int userSettableMask = FLAG_PERMISSION_USER_SET 15136 | FLAG_PERMISSION_USER_FIXED 15137 | FLAG_PERMISSION_REVOKE_ON_UPGRADE 15138 | FLAG_PERMISSION_REVIEW_REQUIRED; 15139 15140 final int policyOrSystemFlags = FLAG_PERMISSION_SYSTEM_FIXED 15141 | FLAG_PERMISSION_POLICY_FIXED; 15142 15143 boolean writeInstallPermissions = false; 15144 boolean writeRuntimePermissions = false; 15145 15146 final int permissionCount = ps.pkg.requestedPermissions.size(); 15147 for (int i = 0; i < permissionCount; i++) { 15148 String permission = ps.pkg.requestedPermissions.get(i); 15149 15150 BasePermission bp = mSettings.mPermissions.get(permission); 15151 if (bp == null) { 15152 continue; 15153 } 15154 15155 // If shared user we just reset the state to which only this app contributed. 15156 if (ps.sharedUser != null) { 15157 boolean used = false; 15158 final int packageCount = ps.sharedUser.packages.size(); 15159 for (int j = 0; j < packageCount; j++) { 15160 PackageSetting pkg = ps.sharedUser.packages.valueAt(j); 15161 if (pkg.pkg != null && !pkg.pkg.packageName.equals(ps.pkg.packageName) 15162 && pkg.pkg.requestedPermissions.contains(permission)) { 15163 used = true; 15164 break; 15165 } 15166 } 15167 if (used) { 15168 continue; 15169 } 15170 } 15171 15172 PermissionsState permissionsState = ps.getPermissionsState(); 15173 15174 final int oldFlags = permissionsState.getPermissionFlags(bp.name, userId); 15175 15176 // Always clear the user settable flags. 15177 final boolean hasInstallState = permissionsState.getInstallPermissionState( 15178 bp.name) != null; 15179 // If permission review is enabled and this is a legacy app, mark the 15180 // permission as requiring a review as this is the initial state. 15181 int flags = 0; 15182 if (Build.PERMISSIONS_REVIEW_REQUIRED 15183 && ps.pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 15184 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 15185 } 15186 if (permissionsState.updatePermissionFlags(bp, userId, userSettableMask, flags)) { 15187 if (hasInstallState) { 15188 writeInstallPermissions = true; 15189 } else { 15190 writeRuntimePermissions = true; 15191 } 15192 } 15193 15194 // Below is only runtime permission handling. 15195 if (!bp.isRuntime()) { 15196 continue; 15197 } 15198 15199 // Never clobber system or policy. 15200 if ((oldFlags & policyOrSystemFlags) != 0) { 15201 continue; 15202 } 15203 15204 // If this permission was granted by default, make sure it is. 15205 if ((oldFlags & FLAG_PERMISSION_GRANTED_BY_DEFAULT) != 0) { 15206 if (permissionsState.grantRuntimePermission(bp, userId) 15207 != PERMISSION_OPERATION_FAILURE) { 15208 writeRuntimePermissions = true; 15209 } 15210 // If permission review is enabled the permissions for a legacy apps 15211 // are represented as constantly granted runtime ones, so don't revoke. 15212 } else if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 15213 // Otherwise, reset the permission. 15214 final int revokeResult = permissionsState.revokeRuntimePermission(bp, userId); 15215 switch (revokeResult) { 15216 case PERMISSION_OPERATION_SUCCESS: { 15217 writeRuntimePermissions = true; 15218 } break; 15219 15220 case PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 15221 writeRuntimePermissions = true; 15222 final int appId = ps.appId; 15223 mHandler.post(new Runnable() { 15224 @Override 15225 public void run() { 15226 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 15227 } 15228 }); 15229 } break; 15230 } 15231 } 15232 } 15233 15234 // Synchronously write as we are taking permissions away. 15235 if (writeRuntimePermissions) { 15236 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 15237 } 15238 15239 // Synchronously write as we are taking permissions away. 15240 if (writeInstallPermissions) { 15241 mSettings.writeLPr(); 15242 } 15243 } 15244 15245 /** 15246 * Remove entries from the keystore daemon. Will only remove it if the 15247 * {@code appId} is valid. 15248 */ 15249 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 15250 if (appId < 0) { 15251 return; 15252 } 15253 15254 final KeyStore keyStore = KeyStore.getInstance(); 15255 if (keyStore != null) { 15256 if (userId == UserHandle.USER_ALL) { 15257 for (final int individual : sUserManager.getUserIds()) { 15258 keyStore.clearUid(UserHandle.getUid(individual, appId)); 15259 } 15260 } else { 15261 keyStore.clearUid(UserHandle.getUid(userId, appId)); 15262 } 15263 } else { 15264 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 15265 } 15266 } 15267 15268 @Override 15269 public void deleteApplicationCacheFiles(final String packageName, 15270 final IPackageDataObserver observer) { 15271 mContext.enforceCallingOrSelfPermission( 15272 android.Manifest.permission.DELETE_CACHE_FILES, null); 15273 // Queue up an async operation since the package deletion may take a little while. 15274 final int userId = UserHandle.getCallingUserId(); 15275 mHandler.post(new Runnable() { 15276 public void run() { 15277 mHandler.removeCallbacks(this); 15278 final boolean succeded; 15279 synchronized (mInstallLock) { 15280 succeded = deleteApplicationCacheFilesLI(packageName, userId); 15281 } 15282 clearExternalStorageDataSync(packageName, userId, false); 15283 if (observer != null) { 15284 try { 15285 observer.onRemoveCompleted(packageName, succeded); 15286 } catch (RemoteException e) { 15287 Log.i(TAG, "Observer no longer exists."); 15288 } 15289 } //end if observer 15290 } //end run 15291 }); 15292 } 15293 15294 private boolean deleteApplicationCacheFilesLI(String packageName, int userId) { 15295 if (packageName == null) { 15296 Slog.w(TAG, "Attempt to delete null packageName."); 15297 return false; 15298 } 15299 PackageParser.Package p; 15300 synchronized (mPackages) { 15301 p = mPackages.get(packageName); 15302 } 15303 if (p == null) { 15304 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 15305 return false; 15306 } 15307 final ApplicationInfo applicationInfo = p.applicationInfo; 15308 if (applicationInfo == null) { 15309 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 15310 return false; 15311 } 15312 // TODO: triage flags as part of 26466827 15313 final int flags = StorageManager.FLAG_STORAGE_CE | StorageManager.FLAG_STORAGE_DE; 15314 try { 15315 mInstaller.clearAppData(p.volumeUuid, packageName, userId, 15316 flags | Installer.FLAG_CLEAR_CACHE_ONLY); 15317 } catch (InstallerException e) { 15318 Slog.w(TAG, "Couldn't remove cache files for package " 15319 + packageName + " u" + userId, e); 15320 return false; 15321 } 15322 return true; 15323 } 15324 15325 @Override 15326 public void getPackageSizeInfo(final String packageName, int userHandle, 15327 final IPackageStatsObserver observer) { 15328 mContext.enforceCallingOrSelfPermission( 15329 android.Manifest.permission.GET_PACKAGE_SIZE, null); 15330 if (packageName == null) { 15331 throw new IllegalArgumentException("Attempt to get size of null packageName"); 15332 } 15333 15334 PackageStats stats = new PackageStats(packageName, userHandle); 15335 15336 /* 15337 * Queue up an async operation since the package measurement may take a 15338 * little while. 15339 */ 15340 Message msg = mHandler.obtainMessage(INIT_COPY); 15341 msg.obj = new MeasureParams(stats, observer); 15342 mHandler.sendMessage(msg); 15343 } 15344 15345 private boolean getPackageSizeInfoLI(String packageName, int userHandle, 15346 PackageStats pStats) { 15347 if (packageName == null) { 15348 Slog.w(TAG, "Attempt to get size of null packageName."); 15349 return false; 15350 } 15351 PackageParser.Package p; 15352 boolean dataOnly = false; 15353 String libDirRoot = null; 15354 String asecPath = null; 15355 PackageSetting ps = null; 15356 synchronized (mPackages) { 15357 p = mPackages.get(packageName); 15358 ps = mSettings.mPackages.get(packageName); 15359 if(p == null) { 15360 dataOnly = true; 15361 if((ps == null) || (ps.pkg == null)) { 15362 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 15363 return false; 15364 } 15365 p = ps.pkg; 15366 } 15367 if (ps != null) { 15368 libDirRoot = ps.legacyNativeLibraryPathString; 15369 } 15370 if (p != null && (p.isForwardLocked() || p.applicationInfo.isExternalAsec())) { 15371 final long token = Binder.clearCallingIdentity(); 15372 try { 15373 String secureContainerId = cidFromCodePath(p.applicationInfo.getBaseCodePath()); 15374 if (secureContainerId != null) { 15375 asecPath = PackageHelper.getSdFilesystem(secureContainerId); 15376 } 15377 } finally { 15378 Binder.restoreCallingIdentity(token); 15379 } 15380 } 15381 } 15382 String publicSrcDir = null; 15383 if(!dataOnly) { 15384 final ApplicationInfo applicationInfo = p.applicationInfo; 15385 if (applicationInfo == null) { 15386 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 15387 return false; 15388 } 15389 if (p.isForwardLocked()) { 15390 publicSrcDir = applicationInfo.getBaseResourcePath(); 15391 } 15392 } 15393 // TODO: extend to measure size of split APKs 15394 // TODO(multiArch): Extend getSizeInfo to look at the full subdirectory tree, 15395 // not just the first level. 15396 // TODO(multiArch): Extend getSizeInfo to look at *all* instruction sets, not 15397 // just the primary. 15398 String[] dexCodeInstructionSets = getDexCodeInstructionSets(getAppDexInstructionSets(ps)); 15399 15400 String apkPath; 15401 File packageDir = new File(p.codePath); 15402 15403 if (packageDir.isDirectory() && p.canHaveOatDir()) { 15404 apkPath = packageDir.getAbsolutePath(); 15405 // If libDirRoot is inside a package dir, set it to null to avoid it being counted twice 15406 if (libDirRoot != null && libDirRoot.startsWith(apkPath)) { 15407 libDirRoot = null; 15408 } 15409 } else { 15410 apkPath = p.baseCodePath; 15411 } 15412 15413 // TODO: triage flags as part of 26466827 15414 final int flags = StorageManager.FLAG_STORAGE_CE | StorageManager.FLAG_STORAGE_DE; 15415 try { 15416 mInstaller.getAppSize(p.volumeUuid, packageName, userHandle, flags, apkPath, 15417 libDirRoot, publicSrcDir, asecPath, dexCodeInstructionSets, pStats); 15418 } catch (InstallerException e) { 15419 return false; 15420 } 15421 15422 // Fix-up for forward-locked applications in ASEC containers. 15423 if (!isExternal(p)) { 15424 pStats.codeSize += pStats.externalCodeSize; 15425 pStats.externalCodeSize = 0L; 15426 } 15427 15428 return true; 15429 } 15430 15431 15432 @Override 15433 public void addPackageToPreferred(String packageName) { 15434 Slog.w(TAG, "addPackageToPreferred: this is now a no-op"); 15435 } 15436 15437 @Override 15438 public void removePackageFromPreferred(String packageName) { 15439 Slog.w(TAG, "removePackageFromPreferred: this is now a no-op"); 15440 } 15441 15442 @Override 15443 public List<PackageInfo> getPreferredPackages(int flags) { 15444 return new ArrayList<PackageInfo>(); 15445 } 15446 15447 private int getUidTargetSdkVersionLockedLPr(int uid) { 15448 Object obj = mSettings.getUserIdLPr(uid); 15449 if (obj instanceof SharedUserSetting) { 15450 final SharedUserSetting sus = (SharedUserSetting) obj; 15451 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 15452 final Iterator<PackageSetting> it = sus.packages.iterator(); 15453 while (it.hasNext()) { 15454 final PackageSetting ps = it.next(); 15455 if (ps.pkg != null) { 15456 int v = ps.pkg.applicationInfo.targetSdkVersion; 15457 if (v < vers) vers = v; 15458 } 15459 } 15460 return vers; 15461 } else if (obj instanceof PackageSetting) { 15462 final PackageSetting ps = (PackageSetting) obj; 15463 if (ps.pkg != null) { 15464 return ps.pkg.applicationInfo.targetSdkVersion; 15465 } 15466 } 15467 return Build.VERSION_CODES.CUR_DEVELOPMENT; 15468 } 15469 15470 @Override 15471 public void addPreferredActivity(IntentFilter filter, int match, 15472 ComponentName[] set, ComponentName activity, int userId) { 15473 addPreferredActivityInternal(filter, match, set, activity, true, userId, 15474 "Adding preferred"); 15475 } 15476 15477 private void addPreferredActivityInternal(IntentFilter filter, int match, 15478 ComponentName[] set, ComponentName activity, boolean always, int userId, 15479 String opname) { 15480 // writer 15481 int callingUid = Binder.getCallingUid(); 15482 enforceCrossUserPermission(callingUid, userId, true, false, "add preferred activity"); 15483 if (filter.countActions() == 0) { 15484 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 15485 return; 15486 } 15487 synchronized (mPackages) { 15488 if (mContext.checkCallingOrSelfPermission( 15489 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 15490 != PackageManager.PERMISSION_GRANTED) { 15491 if (getUidTargetSdkVersionLockedLPr(callingUid) 15492 < Build.VERSION_CODES.FROYO) { 15493 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 15494 + callingUid); 15495 return; 15496 } 15497 mContext.enforceCallingOrSelfPermission( 15498 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 15499 } 15500 15501 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 15502 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 15503 + userId + ":"); 15504 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 15505 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 15506 scheduleWritePackageRestrictionsLocked(userId); 15507 } 15508 } 15509 15510 @Override 15511 public void replacePreferredActivity(IntentFilter filter, int match, 15512 ComponentName[] set, ComponentName activity, int userId) { 15513 if (filter.countActions() != 1) { 15514 throw new IllegalArgumentException( 15515 "replacePreferredActivity expects filter to have only 1 action."); 15516 } 15517 if (filter.countDataAuthorities() != 0 15518 || filter.countDataPaths() != 0 15519 || filter.countDataSchemes() > 1 15520 || filter.countDataTypes() != 0) { 15521 throw new IllegalArgumentException( 15522 "replacePreferredActivity expects filter to have no data authorities, " + 15523 "paths, or types; and at most one scheme."); 15524 } 15525 15526 final int callingUid = Binder.getCallingUid(); 15527 enforceCrossUserPermission(callingUid, userId, true, false, "replace preferred activity"); 15528 synchronized (mPackages) { 15529 if (mContext.checkCallingOrSelfPermission( 15530 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 15531 != PackageManager.PERMISSION_GRANTED) { 15532 if (getUidTargetSdkVersionLockedLPr(callingUid) 15533 < Build.VERSION_CODES.FROYO) { 15534 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 15535 + Binder.getCallingUid()); 15536 return; 15537 } 15538 mContext.enforceCallingOrSelfPermission( 15539 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 15540 } 15541 15542 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 15543 if (pir != null) { 15544 // Get all of the existing entries that exactly match this filter. 15545 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 15546 if (existing != null && existing.size() == 1) { 15547 PreferredActivity cur = existing.get(0); 15548 if (DEBUG_PREFERRED) { 15549 Slog.i(TAG, "Checking replace of preferred:"); 15550 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 15551 if (!cur.mPref.mAlways) { 15552 Slog.i(TAG, " -- CUR; not mAlways!"); 15553 } else { 15554 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 15555 Slog.i(TAG, " -- CUR: mSet=" 15556 + Arrays.toString(cur.mPref.mSetComponents)); 15557 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 15558 Slog.i(TAG, " -- NEW: mMatch=" 15559 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 15560 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 15561 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 15562 } 15563 } 15564 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 15565 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 15566 && cur.mPref.sameSet(set)) { 15567 // Setting the preferred activity to what it happens to be already 15568 if (DEBUG_PREFERRED) { 15569 Slog.i(TAG, "Replacing with same preferred activity " 15570 + cur.mPref.mShortComponent + " for user " 15571 + userId + ":"); 15572 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 15573 } 15574 return; 15575 } 15576 } 15577 15578 if (existing != null) { 15579 if (DEBUG_PREFERRED) { 15580 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 15581 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 15582 } 15583 for (int i = 0; i < existing.size(); i++) { 15584 PreferredActivity pa = existing.get(i); 15585 if (DEBUG_PREFERRED) { 15586 Slog.i(TAG, "Removing existing preferred activity " 15587 + pa.mPref.mComponent + ":"); 15588 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 15589 } 15590 pir.removeFilter(pa); 15591 } 15592 } 15593 } 15594 addPreferredActivityInternal(filter, match, set, activity, true, userId, 15595 "Replacing preferred"); 15596 } 15597 } 15598 15599 @Override 15600 public void clearPackagePreferredActivities(String packageName) { 15601 final int uid = Binder.getCallingUid(); 15602 // writer 15603 synchronized (mPackages) { 15604 PackageParser.Package pkg = mPackages.get(packageName); 15605 if (pkg == null || pkg.applicationInfo.uid != uid) { 15606 if (mContext.checkCallingOrSelfPermission( 15607 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 15608 != PackageManager.PERMISSION_GRANTED) { 15609 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 15610 < Build.VERSION_CODES.FROYO) { 15611 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 15612 + Binder.getCallingUid()); 15613 return; 15614 } 15615 mContext.enforceCallingOrSelfPermission( 15616 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 15617 } 15618 } 15619 15620 int user = UserHandle.getCallingUserId(); 15621 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 15622 scheduleWritePackageRestrictionsLocked(user); 15623 } 15624 } 15625 } 15626 15627 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 15628 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 15629 ArrayList<PreferredActivity> removed = null; 15630 boolean changed = false; 15631 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 15632 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 15633 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 15634 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 15635 continue; 15636 } 15637 Iterator<PreferredActivity> it = pir.filterIterator(); 15638 while (it.hasNext()) { 15639 PreferredActivity pa = it.next(); 15640 // Mark entry for removal only if it matches the package name 15641 // and the entry is of type "always". 15642 if (packageName == null || 15643 (pa.mPref.mComponent.getPackageName().equals(packageName) 15644 && pa.mPref.mAlways)) { 15645 if (removed == null) { 15646 removed = new ArrayList<PreferredActivity>(); 15647 } 15648 removed.add(pa); 15649 } 15650 } 15651 if (removed != null) { 15652 for (int j=0; j<removed.size(); j++) { 15653 PreferredActivity pa = removed.get(j); 15654 pir.removeFilter(pa); 15655 } 15656 changed = true; 15657 } 15658 } 15659 return changed; 15660 } 15661 15662 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 15663 private void clearIntentFilterVerificationsLPw(int userId) { 15664 final int packageCount = mPackages.size(); 15665 for (int i = 0; i < packageCount; i++) { 15666 PackageParser.Package pkg = mPackages.valueAt(i); 15667 clearIntentFilterVerificationsLPw(pkg.packageName, userId); 15668 } 15669 } 15670 15671 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 15672 void clearIntentFilterVerificationsLPw(String packageName, int userId) { 15673 if (userId == UserHandle.USER_ALL) { 15674 if (mSettings.removeIntentFilterVerificationLPw(packageName, 15675 sUserManager.getUserIds())) { 15676 for (int oneUserId : sUserManager.getUserIds()) { 15677 scheduleWritePackageRestrictionsLocked(oneUserId); 15678 } 15679 } 15680 } else { 15681 if (mSettings.removeIntentFilterVerificationLPw(packageName, userId)) { 15682 scheduleWritePackageRestrictionsLocked(userId); 15683 } 15684 } 15685 } 15686 15687 void clearDefaultBrowserIfNeeded(String packageName) { 15688 for (int oneUserId : sUserManager.getUserIds()) { 15689 String defaultBrowserPackageName = getDefaultBrowserPackageName(oneUserId); 15690 if (TextUtils.isEmpty(defaultBrowserPackageName)) continue; 15691 if (packageName.equals(defaultBrowserPackageName)) { 15692 setDefaultBrowserPackageName(null, oneUserId); 15693 } 15694 } 15695 } 15696 15697 @Override 15698 public void resetApplicationPreferences(int userId) { 15699 mContext.enforceCallingOrSelfPermission( 15700 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 15701 // writer 15702 synchronized (mPackages) { 15703 final long identity = Binder.clearCallingIdentity(); 15704 try { 15705 clearPackagePreferredActivitiesLPw(null, userId); 15706 mSettings.applyDefaultPreferredAppsLPw(this, userId); 15707 // TODO: We have to reset the default SMS and Phone. This requires 15708 // significant refactoring to keep all default apps in the package 15709 // manager (cleaner but more work) or have the services provide 15710 // callbacks to the package manager to request a default app reset. 15711 applyFactoryDefaultBrowserLPw(userId); 15712 clearIntentFilterVerificationsLPw(userId); 15713 primeDomainVerificationsLPw(userId); 15714 resetUserChangesToRuntimePermissionsAndFlagsLPw(userId); 15715 scheduleWritePackageRestrictionsLocked(userId); 15716 } finally { 15717 Binder.restoreCallingIdentity(identity); 15718 } 15719 } 15720 } 15721 15722 @Override 15723 public int getPreferredActivities(List<IntentFilter> outFilters, 15724 List<ComponentName> outActivities, String packageName) { 15725 15726 int num = 0; 15727 final int userId = UserHandle.getCallingUserId(); 15728 // reader 15729 synchronized (mPackages) { 15730 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 15731 if (pir != null) { 15732 final Iterator<PreferredActivity> it = pir.filterIterator(); 15733 while (it.hasNext()) { 15734 final PreferredActivity pa = it.next(); 15735 if (packageName == null 15736 || (pa.mPref.mComponent.getPackageName().equals(packageName) 15737 && pa.mPref.mAlways)) { 15738 if (outFilters != null) { 15739 outFilters.add(new IntentFilter(pa)); 15740 } 15741 if (outActivities != null) { 15742 outActivities.add(pa.mPref.mComponent); 15743 } 15744 } 15745 } 15746 } 15747 } 15748 15749 return num; 15750 } 15751 15752 @Override 15753 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 15754 int userId) { 15755 int callingUid = Binder.getCallingUid(); 15756 if (callingUid != Process.SYSTEM_UID) { 15757 throw new SecurityException( 15758 "addPersistentPreferredActivity can only be run by the system"); 15759 } 15760 if (filter.countActions() == 0) { 15761 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 15762 return; 15763 } 15764 synchronized (mPackages) { 15765 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 15766 ":"); 15767 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 15768 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 15769 new PersistentPreferredActivity(filter, activity)); 15770 scheduleWritePackageRestrictionsLocked(userId); 15771 } 15772 } 15773 15774 @Override 15775 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 15776 int callingUid = Binder.getCallingUid(); 15777 if (callingUid != Process.SYSTEM_UID) { 15778 throw new SecurityException( 15779 "clearPackagePersistentPreferredActivities can only be run by the system"); 15780 } 15781 ArrayList<PersistentPreferredActivity> removed = null; 15782 boolean changed = false; 15783 synchronized (mPackages) { 15784 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 15785 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 15786 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 15787 .valueAt(i); 15788 if (userId != thisUserId) { 15789 continue; 15790 } 15791 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 15792 while (it.hasNext()) { 15793 PersistentPreferredActivity ppa = it.next(); 15794 // Mark entry for removal only if it matches the package name. 15795 if (ppa.mComponent.getPackageName().equals(packageName)) { 15796 if (removed == null) { 15797 removed = new ArrayList<PersistentPreferredActivity>(); 15798 } 15799 removed.add(ppa); 15800 } 15801 } 15802 if (removed != null) { 15803 for (int j=0; j<removed.size(); j++) { 15804 PersistentPreferredActivity ppa = removed.get(j); 15805 ppir.removeFilter(ppa); 15806 } 15807 changed = true; 15808 } 15809 } 15810 15811 if (changed) { 15812 scheduleWritePackageRestrictionsLocked(userId); 15813 } 15814 } 15815 } 15816 15817 /** 15818 * Common machinery for picking apart a restored XML blob and passing 15819 * it to a caller-supplied functor to be applied to the running system. 15820 */ 15821 private void restoreFromXml(XmlPullParser parser, int userId, 15822 String expectedStartTag, BlobXmlRestorer functor) 15823 throws IOException, XmlPullParserException { 15824 int type; 15825 while ((type = parser.next()) != XmlPullParser.START_TAG 15826 && type != XmlPullParser.END_DOCUMENT) { 15827 } 15828 if (type != XmlPullParser.START_TAG) { 15829 // oops didn't find a start tag?! 15830 if (DEBUG_BACKUP) { 15831 Slog.e(TAG, "Didn't find start tag during restore"); 15832 } 15833 return; 15834 } 15835Slog.v(TAG, ":: restoreFromXml() : got to tag " + parser.getName()); 15836 // this is supposed to be TAG_PREFERRED_BACKUP 15837 if (!expectedStartTag.equals(parser.getName())) { 15838 if (DEBUG_BACKUP) { 15839 Slog.e(TAG, "Found unexpected tag " + parser.getName()); 15840 } 15841 return; 15842 } 15843 15844 // skip interfering stuff, then we're aligned with the backing implementation 15845 while ((type = parser.next()) == XmlPullParser.TEXT) { } 15846Slog.v(TAG, ":: stepped forward, applying functor at tag " + parser.getName()); 15847 functor.apply(parser, userId); 15848 } 15849 15850 private interface BlobXmlRestorer { 15851 public void apply(XmlPullParser parser, int userId) throws IOException, XmlPullParserException; 15852 } 15853 15854 /** 15855 * Non-Binder method, support for the backup/restore mechanism: write the 15856 * full set of preferred activities in its canonical XML format. Returns the 15857 * XML output as a byte array, or null if there is none. 15858 */ 15859 @Override 15860 public byte[] getPreferredActivityBackup(int userId) { 15861 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 15862 throw new SecurityException("Only the system may call getPreferredActivityBackup()"); 15863 } 15864 15865 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 15866 try { 15867 final XmlSerializer serializer = new FastXmlSerializer(); 15868 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 15869 serializer.startDocument(null, true); 15870 serializer.startTag(null, TAG_PREFERRED_BACKUP); 15871 15872 synchronized (mPackages) { 15873 mSettings.writePreferredActivitiesLPr(serializer, userId, true); 15874 } 15875 15876 serializer.endTag(null, TAG_PREFERRED_BACKUP); 15877 serializer.endDocument(); 15878 serializer.flush(); 15879 } catch (Exception e) { 15880 if (DEBUG_BACKUP) { 15881 Slog.e(TAG, "Unable to write preferred activities for backup", e); 15882 } 15883 return null; 15884 } 15885 15886 return dataStream.toByteArray(); 15887 } 15888 15889 @Override 15890 public void restorePreferredActivities(byte[] backup, int userId) { 15891 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 15892 throw new SecurityException("Only the system may call restorePreferredActivities()"); 15893 } 15894 15895 try { 15896 final XmlPullParser parser = Xml.newPullParser(); 15897 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 15898 restoreFromXml(parser, userId, TAG_PREFERRED_BACKUP, 15899 new BlobXmlRestorer() { 15900 @Override 15901 public void apply(XmlPullParser parser, int userId) 15902 throws XmlPullParserException, IOException { 15903 synchronized (mPackages) { 15904 mSettings.readPreferredActivitiesLPw(parser, userId); 15905 } 15906 } 15907 } ); 15908 } catch (Exception e) { 15909 if (DEBUG_BACKUP) { 15910 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 15911 } 15912 } 15913 } 15914 15915 /** 15916 * Non-Binder method, support for the backup/restore mechanism: write the 15917 * default browser (etc) settings in its canonical XML format. Returns the default 15918 * browser XML representation as a byte array, or null if there is none. 15919 */ 15920 @Override 15921 public byte[] getDefaultAppsBackup(int userId) { 15922 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 15923 throw new SecurityException("Only the system may call getDefaultAppsBackup()"); 15924 } 15925 15926 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 15927 try { 15928 final XmlSerializer serializer = new FastXmlSerializer(); 15929 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 15930 serializer.startDocument(null, true); 15931 serializer.startTag(null, TAG_DEFAULT_APPS); 15932 15933 synchronized (mPackages) { 15934 mSettings.writeDefaultAppsLPr(serializer, userId); 15935 } 15936 15937 serializer.endTag(null, TAG_DEFAULT_APPS); 15938 serializer.endDocument(); 15939 serializer.flush(); 15940 } catch (Exception e) { 15941 if (DEBUG_BACKUP) { 15942 Slog.e(TAG, "Unable to write default apps for backup", e); 15943 } 15944 return null; 15945 } 15946 15947 return dataStream.toByteArray(); 15948 } 15949 15950 @Override 15951 public void restoreDefaultApps(byte[] backup, int userId) { 15952 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 15953 throw new SecurityException("Only the system may call restoreDefaultApps()"); 15954 } 15955 15956 try { 15957 final XmlPullParser parser = Xml.newPullParser(); 15958 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 15959 restoreFromXml(parser, userId, TAG_DEFAULT_APPS, 15960 new BlobXmlRestorer() { 15961 @Override 15962 public void apply(XmlPullParser parser, int userId) 15963 throws XmlPullParserException, IOException { 15964 synchronized (mPackages) { 15965 mSettings.readDefaultAppsLPw(parser, userId); 15966 } 15967 } 15968 } ); 15969 } catch (Exception e) { 15970 if (DEBUG_BACKUP) { 15971 Slog.e(TAG, "Exception restoring default apps: " + e.getMessage()); 15972 } 15973 } 15974 } 15975 15976 @Override 15977 public byte[] getIntentFilterVerificationBackup(int userId) { 15978 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 15979 throw new SecurityException("Only the system may call getIntentFilterVerificationBackup()"); 15980 } 15981 15982 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 15983 try { 15984 final XmlSerializer serializer = new FastXmlSerializer(); 15985 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 15986 serializer.startDocument(null, true); 15987 serializer.startTag(null, TAG_INTENT_FILTER_VERIFICATION); 15988 15989 synchronized (mPackages) { 15990 mSettings.writeAllDomainVerificationsLPr(serializer, userId); 15991 } 15992 15993 serializer.endTag(null, TAG_INTENT_FILTER_VERIFICATION); 15994 serializer.endDocument(); 15995 serializer.flush(); 15996 } catch (Exception e) { 15997 if (DEBUG_BACKUP) { 15998 Slog.e(TAG, "Unable to write default apps for backup", e); 15999 } 16000 return null; 16001 } 16002 16003 return dataStream.toByteArray(); 16004 } 16005 16006 @Override 16007 public void restoreIntentFilterVerification(byte[] backup, int userId) { 16008 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16009 throw new SecurityException("Only the system may call restorePreferredActivities()"); 16010 } 16011 16012 try { 16013 final XmlPullParser parser = Xml.newPullParser(); 16014 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 16015 restoreFromXml(parser, userId, TAG_INTENT_FILTER_VERIFICATION, 16016 new BlobXmlRestorer() { 16017 @Override 16018 public void apply(XmlPullParser parser, int userId) 16019 throws XmlPullParserException, IOException { 16020 synchronized (mPackages) { 16021 mSettings.readAllDomainVerificationsLPr(parser, userId); 16022 mSettings.writeLPr(); 16023 } 16024 } 16025 } ); 16026 } catch (Exception e) { 16027 if (DEBUG_BACKUP) { 16028 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 16029 } 16030 } 16031 } 16032 16033 @Override 16034 public byte[] getPermissionGrantBackup(int userId) { 16035 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16036 throw new SecurityException("Only the system may call getPermissionGrantBackup()"); 16037 } 16038 16039 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 16040 try { 16041 final XmlSerializer serializer = new FastXmlSerializer(); 16042 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 16043 serializer.startDocument(null, true); 16044 serializer.startTag(null, TAG_PERMISSION_BACKUP); 16045 16046 synchronized (mPackages) { 16047 serializeRuntimePermissionGrantsLPr(serializer, userId); 16048 } 16049 16050 serializer.endTag(null, TAG_PERMISSION_BACKUP); 16051 serializer.endDocument(); 16052 serializer.flush(); 16053 } catch (Exception e) { 16054 if (DEBUG_BACKUP) { 16055 Slog.e(TAG, "Unable to write default apps for backup", e); 16056 } 16057 return null; 16058 } 16059 16060 return dataStream.toByteArray(); 16061 } 16062 16063 @Override 16064 public void restorePermissionGrants(byte[] backup, int userId) { 16065 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16066 throw new SecurityException("Only the system may call restorePermissionGrants()"); 16067 } 16068 16069 try { 16070 final XmlPullParser parser = Xml.newPullParser(); 16071 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 16072 restoreFromXml(parser, userId, TAG_PERMISSION_BACKUP, 16073 new BlobXmlRestorer() { 16074 @Override 16075 public void apply(XmlPullParser parser, int userId) 16076 throws XmlPullParserException, IOException { 16077 synchronized (mPackages) { 16078 processRestoredPermissionGrantsLPr(parser, userId); 16079 } 16080 } 16081 } ); 16082 } catch (Exception e) { 16083 if (DEBUG_BACKUP) { 16084 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 16085 } 16086 } 16087 } 16088 16089 private void serializeRuntimePermissionGrantsLPr(XmlSerializer serializer, final int userId) 16090 throws IOException { 16091 serializer.startTag(null, TAG_ALL_GRANTS); 16092 16093 final int N = mSettings.mPackages.size(); 16094 for (int i = 0; i < N; i++) { 16095 final PackageSetting ps = mSettings.mPackages.valueAt(i); 16096 boolean pkgGrantsKnown = false; 16097 16098 PermissionsState packagePerms = ps.getPermissionsState(); 16099 16100 for (PermissionState state : packagePerms.getRuntimePermissionStates(userId)) { 16101 final int grantFlags = state.getFlags(); 16102 // only look at grants that are not system/policy fixed 16103 if ((grantFlags & SYSTEM_RUNTIME_GRANT_MASK) == 0) { 16104 final boolean isGranted = state.isGranted(); 16105 // And only back up the user-twiddled state bits 16106 if (isGranted || (grantFlags & USER_RUNTIME_GRANT_MASK) != 0) { 16107 final String packageName = mSettings.mPackages.keyAt(i); 16108 if (!pkgGrantsKnown) { 16109 serializer.startTag(null, TAG_GRANT); 16110 serializer.attribute(null, ATTR_PACKAGE_NAME, packageName); 16111 pkgGrantsKnown = true; 16112 } 16113 16114 final boolean userSet = 16115 (grantFlags & FLAG_PERMISSION_USER_SET) != 0; 16116 final boolean userFixed = 16117 (grantFlags & FLAG_PERMISSION_USER_FIXED) != 0; 16118 final boolean revoke = 16119 (grantFlags & FLAG_PERMISSION_REVOKE_ON_UPGRADE) != 0; 16120 16121 serializer.startTag(null, TAG_PERMISSION); 16122 serializer.attribute(null, ATTR_PERMISSION_NAME, state.getName()); 16123 if (isGranted) { 16124 serializer.attribute(null, ATTR_IS_GRANTED, "true"); 16125 } 16126 if (userSet) { 16127 serializer.attribute(null, ATTR_USER_SET, "true"); 16128 } 16129 if (userFixed) { 16130 serializer.attribute(null, ATTR_USER_FIXED, "true"); 16131 } 16132 if (revoke) { 16133 serializer.attribute(null, ATTR_REVOKE_ON_UPGRADE, "true"); 16134 } 16135 serializer.endTag(null, TAG_PERMISSION); 16136 } 16137 } 16138 } 16139 16140 if (pkgGrantsKnown) { 16141 serializer.endTag(null, TAG_GRANT); 16142 } 16143 } 16144 16145 serializer.endTag(null, TAG_ALL_GRANTS); 16146 } 16147 16148 private void processRestoredPermissionGrantsLPr(XmlPullParser parser, int userId) 16149 throws XmlPullParserException, IOException { 16150 String pkgName = null; 16151 int outerDepth = parser.getDepth(); 16152 int type; 16153 while ((type = parser.next()) != XmlPullParser.END_DOCUMENT 16154 && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 16155 if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 16156 continue; 16157 } 16158 16159 final String tagName = parser.getName(); 16160 if (tagName.equals(TAG_GRANT)) { 16161 pkgName = parser.getAttributeValue(null, ATTR_PACKAGE_NAME); 16162 if (DEBUG_BACKUP) { 16163 Slog.v(TAG, "+++ Restoring grants for package " + pkgName); 16164 } 16165 } else if (tagName.equals(TAG_PERMISSION)) { 16166 16167 final boolean isGranted = "true".equals(parser.getAttributeValue(null, ATTR_IS_GRANTED)); 16168 final String permName = parser.getAttributeValue(null, ATTR_PERMISSION_NAME); 16169 16170 int newFlagSet = 0; 16171 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_SET))) { 16172 newFlagSet |= FLAG_PERMISSION_USER_SET; 16173 } 16174 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_FIXED))) { 16175 newFlagSet |= FLAG_PERMISSION_USER_FIXED; 16176 } 16177 if ("true".equals(parser.getAttributeValue(null, ATTR_REVOKE_ON_UPGRADE))) { 16178 newFlagSet |= FLAG_PERMISSION_REVOKE_ON_UPGRADE; 16179 } 16180 if (DEBUG_BACKUP) { 16181 Slog.v(TAG, " + Restoring grant: pkg=" + pkgName + " perm=" + permName 16182 + " granted=" + isGranted + " bits=0x" + Integer.toHexString(newFlagSet)); 16183 } 16184 final PackageSetting ps = mSettings.mPackages.get(pkgName); 16185 if (ps != null) { 16186 // Already installed so we apply the grant immediately 16187 if (DEBUG_BACKUP) { 16188 Slog.v(TAG, " + already installed; applying"); 16189 } 16190 PermissionsState perms = ps.getPermissionsState(); 16191 BasePermission bp = mSettings.mPermissions.get(permName); 16192 if (bp != null) { 16193 if (isGranted) { 16194 perms.grantRuntimePermission(bp, userId); 16195 } 16196 if (newFlagSet != 0) { 16197 perms.updatePermissionFlags(bp, userId, USER_RUNTIME_GRANT_MASK, newFlagSet); 16198 } 16199 } 16200 } else { 16201 // Need to wait for post-restore install to apply the grant 16202 if (DEBUG_BACKUP) { 16203 Slog.v(TAG, " - not yet installed; saving for later"); 16204 } 16205 mSettings.processRestoredPermissionGrantLPr(pkgName, permName, 16206 isGranted, newFlagSet, userId); 16207 } 16208 } else { 16209 PackageManagerService.reportSettingsProblem(Log.WARN, 16210 "Unknown element under <" + TAG_PERMISSION_BACKUP + ">: " + tagName); 16211 XmlUtils.skipCurrentTag(parser); 16212 } 16213 } 16214 16215 scheduleWriteSettingsLocked(); 16216 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 16217 } 16218 16219 @Override 16220 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 16221 int sourceUserId, int targetUserId, int flags) { 16222 mContext.enforceCallingOrSelfPermission( 16223 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 16224 int callingUid = Binder.getCallingUid(); 16225 enforceOwnerRights(ownerPackage, callingUid); 16226 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 16227 if (intentFilter.countActions() == 0) { 16228 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 16229 return; 16230 } 16231 synchronized (mPackages) { 16232 CrossProfileIntentFilter newFilter = new CrossProfileIntentFilter(intentFilter, 16233 ownerPackage, targetUserId, flags); 16234 CrossProfileIntentResolver resolver = 16235 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 16236 ArrayList<CrossProfileIntentFilter> existing = resolver.findFilters(intentFilter); 16237 // We have all those whose filter is equal. Now checking if the rest is equal as well. 16238 if (existing != null) { 16239 int size = existing.size(); 16240 for (int i = 0; i < size; i++) { 16241 if (newFilter.equalsIgnoreFilter(existing.get(i))) { 16242 return; 16243 } 16244 } 16245 } 16246 resolver.addFilter(newFilter); 16247 scheduleWritePackageRestrictionsLocked(sourceUserId); 16248 } 16249 } 16250 16251 @Override 16252 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage) { 16253 mContext.enforceCallingOrSelfPermission( 16254 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 16255 int callingUid = Binder.getCallingUid(); 16256 enforceOwnerRights(ownerPackage, callingUid); 16257 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 16258 synchronized (mPackages) { 16259 CrossProfileIntentResolver resolver = 16260 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 16261 ArraySet<CrossProfileIntentFilter> set = 16262 new ArraySet<CrossProfileIntentFilter>(resolver.filterSet()); 16263 for (CrossProfileIntentFilter filter : set) { 16264 if (filter.getOwnerPackage().equals(ownerPackage)) { 16265 resolver.removeFilter(filter); 16266 } 16267 } 16268 scheduleWritePackageRestrictionsLocked(sourceUserId); 16269 } 16270 } 16271 16272 // Enforcing that callingUid is owning pkg on userId 16273 private void enforceOwnerRights(String pkg, int callingUid) { 16274 // The system owns everything. 16275 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 16276 return; 16277 } 16278 int callingUserId = UserHandle.getUserId(callingUid); 16279 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 16280 if (pi == null) { 16281 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 16282 + callingUserId); 16283 } 16284 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 16285 throw new SecurityException("Calling uid " + callingUid 16286 + " does not own package " + pkg); 16287 } 16288 } 16289 16290 @Override 16291 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 16292 Intent intent = new Intent(Intent.ACTION_MAIN); 16293 intent.addCategory(Intent.CATEGORY_HOME); 16294 16295 final int callingUserId = UserHandle.getCallingUserId(); 16296 List<ResolveInfo> list = queryIntentActivities(intent, null, 16297 PackageManager.GET_META_DATA, callingUserId); 16298 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 16299 true, false, false, callingUserId); 16300 16301 allHomeCandidates.clear(); 16302 if (list != null) { 16303 for (ResolveInfo ri : list) { 16304 allHomeCandidates.add(ri); 16305 } 16306 } 16307 return (preferred == null || preferred.activityInfo == null) 16308 ? null 16309 : new ComponentName(preferred.activityInfo.packageName, 16310 preferred.activityInfo.name); 16311 } 16312 16313 @Override 16314 public void setApplicationEnabledSetting(String appPackageName, 16315 int newState, int flags, int userId, String callingPackage) { 16316 if (!sUserManager.exists(userId)) return; 16317 if (callingPackage == null) { 16318 callingPackage = Integer.toString(Binder.getCallingUid()); 16319 } 16320 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 16321 } 16322 16323 @Override 16324 public void setComponentEnabledSetting(ComponentName componentName, 16325 int newState, int flags, int userId) { 16326 if (!sUserManager.exists(userId)) return; 16327 setEnabledSetting(componentName.getPackageName(), 16328 componentName.getClassName(), newState, flags, userId, null); 16329 } 16330 16331 private void setEnabledSetting(final String packageName, String className, int newState, 16332 final int flags, int userId, String callingPackage) { 16333 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 16334 || newState == COMPONENT_ENABLED_STATE_ENABLED 16335 || newState == COMPONENT_ENABLED_STATE_DISABLED 16336 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 16337 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 16338 throw new IllegalArgumentException("Invalid new component state: " 16339 + newState); 16340 } 16341 PackageSetting pkgSetting; 16342 final int uid = Binder.getCallingUid(); 16343 final int permission = mContext.checkCallingOrSelfPermission( 16344 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 16345 enforceCrossUserPermission(uid, userId, false, true, "set enabled"); 16346 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 16347 boolean sendNow = false; 16348 boolean isApp = (className == null); 16349 String componentName = isApp ? packageName : className; 16350 int packageUid = -1; 16351 ArrayList<String> components; 16352 16353 // writer 16354 synchronized (mPackages) { 16355 pkgSetting = mSettings.mPackages.get(packageName); 16356 if (pkgSetting == null) { 16357 if (className == null) { 16358 throw new IllegalArgumentException("Unknown package: " + packageName); 16359 } 16360 throw new IllegalArgumentException( 16361 "Unknown component: " + packageName + "/" + className); 16362 } 16363 // Allow root and verify that userId is not being specified by a different user 16364 if (!allowedByPermission && !UserHandle.isSameApp(uid, pkgSetting.appId)) { 16365 throw new SecurityException( 16366 "Permission Denial: attempt to change component state from pid=" 16367 + Binder.getCallingPid() 16368 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 16369 } 16370 if (className == null) { 16371 // We're dealing with an application/package level state change 16372 if (pkgSetting.getEnabled(userId) == newState) { 16373 // Nothing to do 16374 return; 16375 } 16376 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 16377 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 16378 // Don't care about who enables an app. 16379 callingPackage = null; 16380 } 16381 pkgSetting.setEnabled(newState, userId, callingPackage); 16382 // pkgSetting.pkg.mSetEnabled = newState; 16383 } else { 16384 // We're dealing with a component level state change 16385 // First, verify that this is a valid class name. 16386 PackageParser.Package pkg = pkgSetting.pkg; 16387 if (pkg == null || !pkg.hasComponentClassName(className)) { 16388 if (pkg != null && 16389 pkg.applicationInfo.targetSdkVersion >= 16390 Build.VERSION_CODES.JELLY_BEAN) { 16391 throw new IllegalArgumentException("Component class " + className 16392 + " does not exist in " + packageName); 16393 } else { 16394 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 16395 + className + " does not exist in " + packageName); 16396 } 16397 } 16398 switch (newState) { 16399 case COMPONENT_ENABLED_STATE_ENABLED: 16400 if (!pkgSetting.enableComponentLPw(className, userId)) { 16401 return; 16402 } 16403 break; 16404 case COMPONENT_ENABLED_STATE_DISABLED: 16405 if (!pkgSetting.disableComponentLPw(className, userId)) { 16406 return; 16407 } 16408 break; 16409 case COMPONENT_ENABLED_STATE_DEFAULT: 16410 if (!pkgSetting.restoreComponentLPw(className, userId)) { 16411 return; 16412 } 16413 break; 16414 default: 16415 Slog.e(TAG, "Invalid new component state: " + newState); 16416 return; 16417 } 16418 } 16419 scheduleWritePackageRestrictionsLocked(userId); 16420 components = mPendingBroadcasts.get(userId, packageName); 16421 final boolean newPackage = components == null; 16422 if (newPackage) { 16423 components = new ArrayList<String>(); 16424 } 16425 if (!components.contains(componentName)) { 16426 components.add(componentName); 16427 } 16428 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 16429 sendNow = true; 16430 // Purge entry from pending broadcast list if another one exists already 16431 // since we are sending one right away. 16432 mPendingBroadcasts.remove(userId, packageName); 16433 } else { 16434 if (newPackage) { 16435 mPendingBroadcasts.put(userId, packageName, components); 16436 } 16437 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 16438 // Schedule a message 16439 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 16440 } 16441 } 16442 } 16443 16444 long callingId = Binder.clearCallingIdentity(); 16445 try { 16446 if (sendNow) { 16447 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 16448 sendPackageChangedBroadcast(packageName, 16449 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 16450 } 16451 } finally { 16452 Binder.restoreCallingIdentity(callingId); 16453 } 16454 } 16455 16456 private void sendPackageChangedBroadcast(String packageName, 16457 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 16458 if (DEBUG_INSTALL) 16459 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 16460 + componentNames); 16461 Bundle extras = new Bundle(4); 16462 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 16463 String nameList[] = new String[componentNames.size()]; 16464 componentNames.toArray(nameList); 16465 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 16466 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 16467 extras.putInt(Intent.EXTRA_UID, packageUid); 16468 // If this is not reporting a change of the overall package, then only send it 16469 // to registered receivers. We don't want to launch a swath of apps for every 16470 // little component state change. 16471 final int flags = !componentNames.contains(packageName) 16472 ? Intent.FLAG_RECEIVER_REGISTERED_ONLY : 0; 16473 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, flags, null, null, 16474 new int[] {UserHandle.getUserId(packageUid)}); 16475 } 16476 16477 @Override 16478 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 16479 if (!sUserManager.exists(userId)) return; 16480 final int uid = Binder.getCallingUid(); 16481 final int permission = mContext.checkCallingOrSelfPermission( 16482 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 16483 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 16484 enforceCrossUserPermission(uid, userId, true, true, "stop package"); 16485 // writer 16486 synchronized (mPackages) { 16487 if (mSettings.setPackageStoppedStateLPw(this, packageName, stopped, 16488 allowedByPermission, uid, userId)) { 16489 scheduleWritePackageRestrictionsLocked(userId); 16490 } 16491 } 16492 } 16493 16494 @Override 16495 public String getInstallerPackageName(String packageName) { 16496 // reader 16497 synchronized (mPackages) { 16498 return mSettings.getInstallerPackageNameLPr(packageName); 16499 } 16500 } 16501 16502 @Override 16503 public int getApplicationEnabledSetting(String packageName, int userId) { 16504 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 16505 int uid = Binder.getCallingUid(); 16506 enforceCrossUserPermission(uid, userId, false, false, "get enabled"); 16507 // reader 16508 synchronized (mPackages) { 16509 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 16510 } 16511 } 16512 16513 @Override 16514 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 16515 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 16516 int uid = Binder.getCallingUid(); 16517 enforceCrossUserPermission(uid, userId, false, false, "get component enabled"); 16518 // reader 16519 synchronized (mPackages) { 16520 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 16521 } 16522 } 16523 16524 @Override 16525 public void enterSafeMode() { 16526 enforceSystemOrRoot("Only the system can request entering safe mode"); 16527 16528 if (!mSystemReady) { 16529 mSafeMode = true; 16530 } 16531 } 16532 16533 @Override 16534 public void systemReady() { 16535 mSystemReady = true; 16536 16537 // Read the compatibilty setting when the system is ready. 16538 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 16539 mContext.getContentResolver(), 16540 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 16541 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 16542 if (DEBUG_SETTINGS) { 16543 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 16544 } 16545 16546 int[] grantPermissionsUserIds = EMPTY_INT_ARRAY; 16547 16548 synchronized (mPackages) { 16549 // Verify that all of the preferred activity components actually 16550 // exist. It is possible for applications to be updated and at 16551 // that point remove a previously declared activity component that 16552 // had been set as a preferred activity. We try to clean this up 16553 // the next time we encounter that preferred activity, but it is 16554 // possible for the user flow to never be able to return to that 16555 // situation so here we do a sanity check to make sure we haven't 16556 // left any junk around. 16557 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 16558 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 16559 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 16560 removed.clear(); 16561 for (PreferredActivity pa : pir.filterSet()) { 16562 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 16563 removed.add(pa); 16564 } 16565 } 16566 if (removed.size() > 0) { 16567 for (int r=0; r<removed.size(); r++) { 16568 PreferredActivity pa = removed.get(r); 16569 Slog.w(TAG, "Removing dangling preferred activity: " 16570 + pa.mPref.mComponent); 16571 pir.removeFilter(pa); 16572 } 16573 mSettings.writePackageRestrictionsLPr( 16574 mSettings.mPreferredActivities.keyAt(i)); 16575 } 16576 } 16577 16578 for (int userId : UserManagerService.getInstance().getUserIds()) { 16579 if (!mSettings.areDefaultRuntimePermissionsGrantedLPr(userId)) { 16580 grantPermissionsUserIds = ArrayUtils.appendInt( 16581 grantPermissionsUserIds, userId); 16582 } 16583 } 16584 } 16585 sUserManager.systemReady(); 16586 16587 // If we upgraded grant all default permissions before kicking off. 16588 for (int userId : grantPermissionsUserIds) { 16589 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 16590 } 16591 16592 // Kick off any messages waiting for system ready 16593 if (mPostSystemReadyMessages != null) { 16594 for (Message msg : mPostSystemReadyMessages) { 16595 msg.sendToTarget(); 16596 } 16597 mPostSystemReadyMessages = null; 16598 } 16599 16600 // Watch for external volumes that come and go over time 16601 final StorageManager storage = mContext.getSystemService(StorageManager.class); 16602 storage.registerListener(mStorageListener); 16603 16604 mInstallerService.systemReady(); 16605 mPackageDexOptimizer.systemReady(); 16606 16607 MountServiceInternal mountServiceInternal = LocalServices.getService( 16608 MountServiceInternal.class); 16609 mountServiceInternal.addExternalStoragePolicy( 16610 new MountServiceInternal.ExternalStorageMountPolicy() { 16611 @Override 16612 public int getMountMode(int uid, String packageName) { 16613 if (Process.isIsolated(uid)) { 16614 return Zygote.MOUNT_EXTERNAL_NONE; 16615 } 16616 if (checkUidPermission(WRITE_MEDIA_STORAGE, uid) == PERMISSION_GRANTED) { 16617 return Zygote.MOUNT_EXTERNAL_DEFAULT; 16618 } 16619 if (checkUidPermission(READ_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 16620 return Zygote.MOUNT_EXTERNAL_DEFAULT; 16621 } 16622 if (checkUidPermission(WRITE_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 16623 return Zygote.MOUNT_EXTERNAL_READ; 16624 } 16625 return Zygote.MOUNT_EXTERNAL_WRITE; 16626 } 16627 16628 @Override 16629 public boolean hasExternalStorage(int uid, String packageName) { 16630 return true; 16631 } 16632 }); 16633 } 16634 16635 @Override 16636 public boolean isSafeMode() { 16637 return mSafeMode; 16638 } 16639 16640 @Override 16641 public boolean hasSystemUidErrors() { 16642 return mHasSystemUidErrors; 16643 } 16644 16645 static String arrayToString(int[] array) { 16646 StringBuffer buf = new StringBuffer(128); 16647 buf.append('['); 16648 if (array != null) { 16649 for (int i=0; i<array.length; i++) { 16650 if (i > 0) buf.append(", "); 16651 buf.append(array[i]); 16652 } 16653 } 16654 buf.append(']'); 16655 return buf.toString(); 16656 } 16657 16658 static class DumpState { 16659 public static final int DUMP_LIBS = 1 << 0; 16660 public static final int DUMP_FEATURES = 1 << 1; 16661 public static final int DUMP_ACTIVITY_RESOLVERS = 1 << 2; 16662 public static final int DUMP_SERVICE_RESOLVERS = 1 << 3; 16663 public static final int DUMP_RECEIVER_RESOLVERS = 1 << 4; 16664 public static final int DUMP_CONTENT_RESOLVERS = 1 << 5; 16665 public static final int DUMP_PERMISSIONS = 1 << 6; 16666 public static final int DUMP_PACKAGES = 1 << 7; 16667 public static final int DUMP_SHARED_USERS = 1 << 8; 16668 public static final int DUMP_MESSAGES = 1 << 9; 16669 public static final int DUMP_PROVIDERS = 1 << 10; 16670 public static final int DUMP_VERIFIERS = 1 << 11; 16671 public static final int DUMP_PREFERRED = 1 << 12; 16672 public static final int DUMP_PREFERRED_XML = 1 << 13; 16673 public static final int DUMP_KEYSETS = 1 << 14; 16674 public static final int DUMP_VERSION = 1 << 15; 16675 public static final int DUMP_INSTALLS = 1 << 16; 16676 public static final int DUMP_INTENT_FILTER_VERIFIERS = 1 << 17; 16677 public static final int DUMP_DOMAIN_PREFERRED = 1 << 18; 16678 16679 public static final int OPTION_SHOW_FILTERS = 1 << 0; 16680 16681 private int mTypes; 16682 16683 private int mOptions; 16684 16685 private boolean mTitlePrinted; 16686 16687 private SharedUserSetting mSharedUser; 16688 16689 public boolean isDumping(int type) { 16690 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 16691 return true; 16692 } 16693 16694 return (mTypes & type) != 0; 16695 } 16696 16697 public void setDump(int type) { 16698 mTypes |= type; 16699 } 16700 16701 public boolean isOptionEnabled(int option) { 16702 return (mOptions & option) != 0; 16703 } 16704 16705 public void setOptionEnabled(int option) { 16706 mOptions |= option; 16707 } 16708 16709 public boolean onTitlePrinted() { 16710 final boolean printed = mTitlePrinted; 16711 mTitlePrinted = true; 16712 return printed; 16713 } 16714 16715 public boolean getTitlePrinted() { 16716 return mTitlePrinted; 16717 } 16718 16719 public void setTitlePrinted(boolean enabled) { 16720 mTitlePrinted = enabled; 16721 } 16722 16723 public SharedUserSetting getSharedUser() { 16724 return mSharedUser; 16725 } 16726 16727 public void setSharedUser(SharedUserSetting user) { 16728 mSharedUser = user; 16729 } 16730 } 16731 16732 @Override 16733 public void onShellCommand(FileDescriptor in, FileDescriptor out, 16734 FileDescriptor err, String[] args, ResultReceiver resultReceiver) { 16735 (new PackageManagerShellCommand(this)).exec( 16736 this, in, out, err, args, resultReceiver); 16737 } 16738 16739 @Override 16740 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 16741 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 16742 != PackageManager.PERMISSION_GRANTED) { 16743 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 16744 + Binder.getCallingPid() 16745 + ", uid=" + Binder.getCallingUid() 16746 + " without permission " 16747 + android.Manifest.permission.DUMP); 16748 return; 16749 } 16750 16751 DumpState dumpState = new DumpState(); 16752 boolean fullPreferred = false; 16753 boolean checkin = false; 16754 16755 String packageName = null; 16756 ArraySet<String> permissionNames = null; 16757 16758 int opti = 0; 16759 while (opti < args.length) { 16760 String opt = args[opti]; 16761 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 16762 break; 16763 } 16764 opti++; 16765 16766 if ("-a".equals(opt)) { 16767 // Right now we only know how to print all. 16768 } else if ("-h".equals(opt)) { 16769 pw.println("Package manager dump options:"); 16770 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 16771 pw.println(" --checkin: dump for a checkin"); 16772 pw.println(" -f: print details of intent filters"); 16773 pw.println(" -h: print this help"); 16774 pw.println(" cmd may be one of:"); 16775 pw.println(" l[ibraries]: list known shared libraries"); 16776 pw.println(" f[eatures]: list device features"); 16777 pw.println(" k[eysets]: print known keysets"); 16778 pw.println(" r[esolvers] [activity|service|receiver|content]: dump intent resolvers"); 16779 pw.println(" perm[issions]: dump permissions"); 16780 pw.println(" permission [name ...]: dump declaration and use of given permission"); 16781 pw.println(" pref[erred]: print preferred package settings"); 16782 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 16783 pw.println(" prov[iders]: dump content providers"); 16784 pw.println(" p[ackages]: dump installed packages"); 16785 pw.println(" s[hared-users]: dump shared user IDs"); 16786 pw.println(" m[essages]: print collected runtime messages"); 16787 pw.println(" v[erifiers]: print package verifier info"); 16788 pw.println(" d[omain-preferred-apps]: print domains preferred apps"); 16789 pw.println(" i[ntent-filter-verifiers]|ifv: print intent filter verifier info"); 16790 pw.println(" version: print database version info"); 16791 pw.println(" write: write current settings now"); 16792 pw.println(" installs: details about install sessions"); 16793 pw.println(" check-permission <permission> <package> [<user>]: does pkg hold perm?"); 16794 pw.println(" <package.name>: info about given package"); 16795 return; 16796 } else if ("--checkin".equals(opt)) { 16797 checkin = true; 16798 } else if ("-f".equals(opt)) { 16799 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 16800 } else { 16801 pw.println("Unknown argument: " + opt + "; use -h for help"); 16802 } 16803 } 16804 16805 // Is the caller requesting to dump a particular piece of data? 16806 if (opti < args.length) { 16807 String cmd = args[opti]; 16808 opti++; 16809 // Is this a package name? 16810 if ("android".equals(cmd) || cmd.contains(".")) { 16811 packageName = cmd; 16812 // When dumping a single package, we always dump all of its 16813 // filter information since the amount of data will be reasonable. 16814 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 16815 } else if ("check-permission".equals(cmd)) { 16816 if (opti >= args.length) { 16817 pw.println("Error: check-permission missing permission argument"); 16818 return; 16819 } 16820 String perm = args[opti]; 16821 opti++; 16822 if (opti >= args.length) { 16823 pw.println("Error: check-permission missing package argument"); 16824 return; 16825 } 16826 String pkg = args[opti]; 16827 opti++; 16828 int user = UserHandle.getUserId(Binder.getCallingUid()); 16829 if (opti < args.length) { 16830 try { 16831 user = Integer.parseInt(args[opti]); 16832 } catch (NumberFormatException e) { 16833 pw.println("Error: check-permission user argument is not a number: " 16834 + args[opti]); 16835 return; 16836 } 16837 } 16838 pw.println(checkPermission(perm, pkg, user)); 16839 return; 16840 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 16841 dumpState.setDump(DumpState.DUMP_LIBS); 16842 } else if ("f".equals(cmd) || "features".equals(cmd)) { 16843 dumpState.setDump(DumpState.DUMP_FEATURES); 16844 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 16845 if (opti >= args.length) { 16846 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS 16847 | DumpState.DUMP_SERVICE_RESOLVERS 16848 | DumpState.DUMP_RECEIVER_RESOLVERS 16849 | DumpState.DUMP_CONTENT_RESOLVERS); 16850 } else { 16851 while (opti < args.length) { 16852 String name = args[opti]; 16853 if ("a".equals(name) || "activity".equals(name)) { 16854 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS); 16855 } else if ("s".equals(name) || "service".equals(name)) { 16856 dumpState.setDump(DumpState.DUMP_SERVICE_RESOLVERS); 16857 } else if ("r".equals(name) || "receiver".equals(name)) { 16858 dumpState.setDump(DumpState.DUMP_RECEIVER_RESOLVERS); 16859 } else if ("c".equals(name) || "content".equals(name)) { 16860 dumpState.setDump(DumpState.DUMP_CONTENT_RESOLVERS); 16861 } else { 16862 pw.println("Error: unknown resolver table type: " + name); 16863 return; 16864 } 16865 opti++; 16866 } 16867 } 16868 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 16869 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 16870 } else if ("permission".equals(cmd)) { 16871 if (opti >= args.length) { 16872 pw.println("Error: permission requires permission name"); 16873 return; 16874 } 16875 permissionNames = new ArraySet<>(); 16876 while (opti < args.length) { 16877 permissionNames.add(args[opti]); 16878 opti++; 16879 } 16880 dumpState.setDump(DumpState.DUMP_PERMISSIONS 16881 | DumpState.DUMP_PACKAGES | DumpState.DUMP_SHARED_USERS); 16882 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 16883 dumpState.setDump(DumpState.DUMP_PREFERRED); 16884 } else if ("preferred-xml".equals(cmd)) { 16885 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 16886 if (opti < args.length && "--full".equals(args[opti])) { 16887 fullPreferred = true; 16888 opti++; 16889 } 16890 } else if ("d".equals(cmd) || "domain-preferred-apps".equals(cmd)) { 16891 dumpState.setDump(DumpState.DUMP_DOMAIN_PREFERRED); 16892 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 16893 dumpState.setDump(DumpState.DUMP_PACKAGES); 16894 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 16895 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 16896 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 16897 dumpState.setDump(DumpState.DUMP_PROVIDERS); 16898 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 16899 dumpState.setDump(DumpState.DUMP_MESSAGES); 16900 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 16901 dumpState.setDump(DumpState.DUMP_VERIFIERS); 16902 } else if ("i".equals(cmd) || "ifv".equals(cmd) 16903 || "intent-filter-verifiers".equals(cmd)) { 16904 dumpState.setDump(DumpState.DUMP_INTENT_FILTER_VERIFIERS); 16905 } else if ("version".equals(cmd)) { 16906 dumpState.setDump(DumpState.DUMP_VERSION); 16907 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 16908 dumpState.setDump(DumpState.DUMP_KEYSETS); 16909 } else if ("installs".equals(cmd)) { 16910 dumpState.setDump(DumpState.DUMP_INSTALLS); 16911 } else if ("write".equals(cmd)) { 16912 synchronized (mPackages) { 16913 mSettings.writeLPr(); 16914 pw.println("Settings written."); 16915 return; 16916 } 16917 } 16918 } 16919 16920 if (checkin) { 16921 pw.println("vers,1"); 16922 } 16923 16924 // reader 16925 synchronized (mPackages) { 16926 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 16927 if (!checkin) { 16928 if (dumpState.onTitlePrinted()) 16929 pw.println(); 16930 pw.println("Database versions:"); 16931 mSettings.dumpVersionLPr(new IndentingPrintWriter(pw, " ")); 16932 } 16933 } 16934 16935 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 16936 if (!checkin) { 16937 if (dumpState.onTitlePrinted()) 16938 pw.println(); 16939 pw.println("Verifiers:"); 16940 pw.print(" Required: "); 16941 pw.print(mRequiredVerifierPackage); 16942 pw.print(" (uid="); 16943 pw.print(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 16944 UserHandle.USER_SYSTEM)); 16945 pw.println(")"); 16946 } else if (mRequiredVerifierPackage != null) { 16947 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 16948 pw.print(","); 16949 pw.println(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 16950 UserHandle.USER_SYSTEM)); 16951 } 16952 } 16953 16954 if (dumpState.isDumping(DumpState.DUMP_INTENT_FILTER_VERIFIERS) && 16955 packageName == null) { 16956 if (mIntentFilterVerifierComponent != null) { 16957 String verifierPackageName = mIntentFilterVerifierComponent.getPackageName(); 16958 if (!checkin) { 16959 if (dumpState.onTitlePrinted()) 16960 pw.println(); 16961 pw.println("Intent Filter Verifier:"); 16962 pw.print(" Using: "); 16963 pw.print(verifierPackageName); 16964 pw.print(" (uid="); 16965 pw.print(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 16966 UserHandle.USER_SYSTEM)); 16967 pw.println(")"); 16968 } else if (verifierPackageName != null) { 16969 pw.print("ifv,"); pw.print(verifierPackageName); 16970 pw.print(","); 16971 pw.println(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 16972 UserHandle.USER_SYSTEM)); 16973 } 16974 } else { 16975 pw.println(); 16976 pw.println("No Intent Filter Verifier available!"); 16977 } 16978 } 16979 16980 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 16981 boolean printedHeader = false; 16982 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 16983 while (it.hasNext()) { 16984 String name = it.next(); 16985 SharedLibraryEntry ent = mSharedLibraries.get(name); 16986 if (!checkin) { 16987 if (!printedHeader) { 16988 if (dumpState.onTitlePrinted()) 16989 pw.println(); 16990 pw.println("Libraries:"); 16991 printedHeader = true; 16992 } 16993 pw.print(" "); 16994 } else { 16995 pw.print("lib,"); 16996 } 16997 pw.print(name); 16998 if (!checkin) { 16999 pw.print(" -> "); 17000 } 17001 if (ent.path != null) { 17002 if (!checkin) { 17003 pw.print("(jar) "); 17004 pw.print(ent.path); 17005 } else { 17006 pw.print(",jar,"); 17007 pw.print(ent.path); 17008 } 17009 } else { 17010 if (!checkin) { 17011 pw.print("(apk) "); 17012 pw.print(ent.apk); 17013 } else { 17014 pw.print(",apk,"); 17015 pw.print(ent.apk); 17016 } 17017 } 17018 pw.println(); 17019 } 17020 } 17021 17022 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 17023 if (dumpState.onTitlePrinted()) 17024 pw.println(); 17025 if (!checkin) { 17026 pw.println("Features:"); 17027 } 17028 17029 for (FeatureInfo feat : mAvailableFeatures.values()) { 17030 if (checkin) { 17031 pw.print("feat,"); 17032 pw.print(feat.name); 17033 pw.print(","); 17034 pw.println(feat.version); 17035 } else { 17036 pw.print(" "); 17037 pw.print(feat.name); 17038 if (feat.version > 0) { 17039 pw.print(" version="); 17040 pw.print(feat.version); 17041 } 17042 pw.println(); 17043 } 17044 } 17045 } 17046 17047 if (!checkin && dumpState.isDumping(DumpState.DUMP_ACTIVITY_RESOLVERS)) { 17048 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 17049 : "Activity Resolver Table:", " ", packageName, 17050 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 17051 dumpState.setTitlePrinted(true); 17052 } 17053 } 17054 if (!checkin && dumpState.isDumping(DumpState.DUMP_RECEIVER_RESOLVERS)) { 17055 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 17056 : "Receiver Resolver Table:", " ", packageName, 17057 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 17058 dumpState.setTitlePrinted(true); 17059 } 17060 } 17061 if (!checkin && dumpState.isDumping(DumpState.DUMP_SERVICE_RESOLVERS)) { 17062 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 17063 : "Service Resolver Table:", " ", packageName, 17064 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 17065 dumpState.setTitlePrinted(true); 17066 } 17067 } 17068 if (!checkin && dumpState.isDumping(DumpState.DUMP_CONTENT_RESOLVERS)) { 17069 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 17070 : "Provider Resolver Table:", " ", packageName, 17071 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 17072 dumpState.setTitlePrinted(true); 17073 } 17074 } 17075 17076 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 17077 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 17078 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 17079 int user = mSettings.mPreferredActivities.keyAt(i); 17080 if (pir.dump(pw, 17081 dumpState.getTitlePrinted() 17082 ? "\nPreferred Activities User " + user + ":" 17083 : "Preferred Activities User " + user + ":", " ", 17084 packageName, true, false)) { 17085 dumpState.setTitlePrinted(true); 17086 } 17087 } 17088 } 17089 17090 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 17091 pw.flush(); 17092 FileOutputStream fout = new FileOutputStream(fd); 17093 BufferedOutputStream str = new BufferedOutputStream(fout); 17094 XmlSerializer serializer = new FastXmlSerializer(); 17095 try { 17096 serializer.setOutput(str, StandardCharsets.UTF_8.name()); 17097 serializer.startDocument(null, true); 17098 serializer.setFeature( 17099 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 17100 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 17101 serializer.endDocument(); 17102 serializer.flush(); 17103 } catch (IllegalArgumentException e) { 17104 pw.println("Failed writing: " + e); 17105 } catch (IllegalStateException e) { 17106 pw.println("Failed writing: " + e); 17107 } catch (IOException e) { 17108 pw.println("Failed writing: " + e); 17109 } 17110 } 17111 17112 if (!checkin 17113 && dumpState.isDumping(DumpState.DUMP_DOMAIN_PREFERRED) 17114 && packageName == null) { 17115 pw.println(); 17116 int count = mSettings.mPackages.size(); 17117 if (count == 0) { 17118 pw.println("No applications!"); 17119 pw.println(); 17120 } else { 17121 final String prefix = " "; 17122 Collection<PackageSetting> allPackageSettings = mSettings.mPackages.values(); 17123 if (allPackageSettings.size() == 0) { 17124 pw.println("No domain preferred apps!"); 17125 pw.println(); 17126 } else { 17127 pw.println("App verification status:"); 17128 pw.println(); 17129 count = 0; 17130 for (PackageSetting ps : allPackageSettings) { 17131 IntentFilterVerificationInfo ivi = ps.getIntentFilterVerificationInfo(); 17132 if (ivi == null || ivi.getPackageName() == null) continue; 17133 pw.println(prefix + "Package: " + ivi.getPackageName()); 17134 pw.println(prefix + "Domains: " + ivi.getDomainsString()); 17135 pw.println(prefix + "Status: " + ivi.getStatusString()); 17136 pw.println(); 17137 count++; 17138 } 17139 if (count == 0) { 17140 pw.println(prefix + "No app verification established."); 17141 pw.println(); 17142 } 17143 for (int userId : sUserManager.getUserIds()) { 17144 pw.println("App linkages for user " + userId + ":"); 17145 pw.println(); 17146 count = 0; 17147 for (PackageSetting ps : allPackageSettings) { 17148 final long status = ps.getDomainVerificationStatusForUser(userId); 17149 if (status >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 17150 continue; 17151 } 17152 pw.println(prefix + "Package: " + ps.name); 17153 pw.println(prefix + "Domains: " + dumpDomainString(ps.name)); 17154 String statusStr = IntentFilterVerificationInfo. 17155 getStatusStringFromValue(status); 17156 pw.println(prefix + "Status: " + statusStr); 17157 pw.println(); 17158 count++; 17159 } 17160 if (count == 0) { 17161 pw.println(prefix + "No configured app linkages."); 17162 pw.println(); 17163 } 17164 } 17165 } 17166 } 17167 } 17168 17169 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 17170 mSettings.dumpPermissionsLPr(pw, packageName, permissionNames, dumpState); 17171 if (packageName == null && permissionNames == null) { 17172 for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) { 17173 if (iperm == 0) { 17174 if (dumpState.onTitlePrinted()) 17175 pw.println(); 17176 pw.println("AppOp Permissions:"); 17177 } 17178 pw.print(" AppOp Permission "); 17179 pw.print(mAppOpPermissionPackages.keyAt(iperm)); 17180 pw.println(":"); 17181 ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm); 17182 for (int ipkg=0; ipkg<pkgs.size(); ipkg++) { 17183 pw.print(" "); pw.println(pkgs.valueAt(ipkg)); 17184 } 17185 } 17186 } 17187 } 17188 17189 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 17190 boolean printedSomething = false; 17191 for (PackageParser.Provider p : mProviders.mProviders.values()) { 17192 if (packageName != null && !packageName.equals(p.info.packageName)) { 17193 continue; 17194 } 17195 if (!printedSomething) { 17196 if (dumpState.onTitlePrinted()) 17197 pw.println(); 17198 pw.println("Registered ContentProviders:"); 17199 printedSomething = true; 17200 } 17201 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 17202 pw.print(" "); pw.println(p.toString()); 17203 } 17204 printedSomething = false; 17205 for (Map.Entry<String, PackageParser.Provider> entry : 17206 mProvidersByAuthority.entrySet()) { 17207 PackageParser.Provider p = entry.getValue(); 17208 if (packageName != null && !packageName.equals(p.info.packageName)) { 17209 continue; 17210 } 17211 if (!printedSomething) { 17212 if (dumpState.onTitlePrinted()) 17213 pw.println(); 17214 pw.println("ContentProvider Authorities:"); 17215 printedSomething = true; 17216 } 17217 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 17218 pw.print(" "); pw.println(p.toString()); 17219 if (p.info != null && p.info.applicationInfo != null) { 17220 final String appInfo = p.info.applicationInfo.toString(); 17221 pw.print(" applicationInfo="); pw.println(appInfo); 17222 } 17223 } 17224 } 17225 17226 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 17227 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 17228 } 17229 17230 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 17231 mSettings.dumpPackagesLPr(pw, packageName, permissionNames, dumpState, checkin); 17232 } 17233 17234 if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 17235 mSettings.dumpSharedUsersLPr(pw, packageName, permissionNames, dumpState, checkin); 17236 } 17237 17238 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS) && packageName == null) { 17239 mSettings.dumpRestoredPermissionGrantsLPr(pw, dumpState); 17240 } 17241 17242 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) { 17243 // XXX should handle packageName != null by dumping only install data that 17244 // the given package is involved with. 17245 if (dumpState.onTitlePrinted()) pw.println(); 17246 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 17247 } 17248 17249 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 17250 if (dumpState.onTitlePrinted()) pw.println(); 17251 mSettings.dumpReadMessagesLPr(pw, dumpState); 17252 17253 pw.println(); 17254 pw.println("Package warning messages:"); 17255 BufferedReader in = null; 17256 String line = null; 17257 try { 17258 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 17259 while ((line = in.readLine()) != null) { 17260 if (line.contains("ignored: updated version")) continue; 17261 pw.println(line); 17262 } 17263 } catch (IOException ignored) { 17264 } finally { 17265 IoUtils.closeQuietly(in); 17266 } 17267 } 17268 17269 if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) { 17270 BufferedReader in = null; 17271 String line = null; 17272 try { 17273 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 17274 while ((line = in.readLine()) != null) { 17275 if (line.contains("ignored: updated version")) continue; 17276 pw.print("msg,"); 17277 pw.println(line); 17278 } 17279 } catch (IOException ignored) { 17280 } finally { 17281 IoUtils.closeQuietly(in); 17282 } 17283 } 17284 } 17285 } 17286 17287 private String dumpDomainString(String packageName) { 17288 List<IntentFilterVerificationInfo> iviList = getIntentFilterVerifications(packageName); 17289 List<IntentFilter> filters = getAllIntentFilters(packageName); 17290 17291 ArraySet<String> result = new ArraySet<>(); 17292 if (iviList.size() > 0) { 17293 for (IntentFilterVerificationInfo ivi : iviList) { 17294 for (String host : ivi.getDomains()) { 17295 result.add(host); 17296 } 17297 } 17298 } 17299 if (filters != null && filters.size() > 0) { 17300 for (IntentFilter filter : filters) { 17301 if (filter.hasCategory(Intent.CATEGORY_BROWSABLE) 17302 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 17303 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS))) { 17304 result.addAll(filter.getHostsList()); 17305 } 17306 } 17307 } 17308 17309 StringBuilder sb = new StringBuilder(result.size() * 16); 17310 for (String domain : result) { 17311 if (sb.length() > 0) sb.append(" "); 17312 sb.append(domain); 17313 } 17314 return sb.toString(); 17315 } 17316 17317 // ------- apps on sdcard specific code ------- 17318 static final boolean DEBUG_SD_INSTALL = false; 17319 17320 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 17321 17322 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 17323 17324 private boolean mMediaMounted = false; 17325 17326 static String getEncryptKey() { 17327 try { 17328 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 17329 SD_ENCRYPTION_KEYSTORE_NAME); 17330 if (sdEncKey == null) { 17331 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 17332 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 17333 if (sdEncKey == null) { 17334 Slog.e(TAG, "Failed to create encryption keys"); 17335 return null; 17336 } 17337 } 17338 return sdEncKey; 17339 } catch (NoSuchAlgorithmException nsae) { 17340 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 17341 return null; 17342 } catch (IOException ioe) { 17343 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 17344 return null; 17345 } 17346 } 17347 17348 /* 17349 * Update media status on PackageManager. 17350 */ 17351 @Override 17352 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 17353 int callingUid = Binder.getCallingUid(); 17354 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 17355 throw new SecurityException("Media status can only be updated by the system"); 17356 } 17357 // reader; this apparently protects mMediaMounted, but should probably 17358 // be a different lock in that case. 17359 synchronized (mPackages) { 17360 Log.i(TAG, "Updating external media status from " 17361 + (mMediaMounted ? "mounted" : "unmounted") + " to " 17362 + (mediaStatus ? "mounted" : "unmounted")); 17363 if (DEBUG_SD_INSTALL) 17364 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 17365 + ", mMediaMounted=" + mMediaMounted); 17366 if (mediaStatus == mMediaMounted) { 17367 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 17368 : 0, -1); 17369 mHandler.sendMessage(msg); 17370 return; 17371 } 17372 mMediaMounted = mediaStatus; 17373 } 17374 // Queue up an async operation since the package installation may take a 17375 // little while. 17376 mHandler.post(new Runnable() { 17377 public void run() { 17378 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 17379 } 17380 }); 17381 } 17382 17383 /** 17384 * Called by MountService when the initial ASECs to scan are available. 17385 * Should block until all the ASEC containers are finished being scanned. 17386 */ 17387 public void scanAvailableAsecs() { 17388 updateExternalMediaStatusInner(true, false, false); 17389 } 17390 17391 /* 17392 * Collect information of applications on external media, map them against 17393 * existing containers and update information based on current mount status. 17394 * Please note that we always have to report status if reportStatus has been 17395 * set to true especially when unloading packages. 17396 */ 17397 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 17398 boolean externalStorage) { 17399 ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>(); 17400 int[] uidArr = EmptyArray.INT; 17401 17402 final String[] list = PackageHelper.getSecureContainerList(); 17403 if (ArrayUtils.isEmpty(list)) { 17404 Log.i(TAG, "No secure containers found"); 17405 } else { 17406 // Process list of secure containers and categorize them 17407 // as active or stale based on their package internal state. 17408 17409 // reader 17410 synchronized (mPackages) { 17411 for (String cid : list) { 17412 // Leave stages untouched for now; installer service owns them 17413 if (PackageInstallerService.isStageName(cid)) continue; 17414 17415 if (DEBUG_SD_INSTALL) 17416 Log.i(TAG, "Processing container " + cid); 17417 String pkgName = getAsecPackageName(cid); 17418 if (pkgName == null) { 17419 Slog.i(TAG, "Found stale container " + cid + " with no package name"); 17420 continue; 17421 } 17422 if (DEBUG_SD_INSTALL) 17423 Log.i(TAG, "Looking for pkg : " + pkgName); 17424 17425 final PackageSetting ps = mSettings.mPackages.get(pkgName); 17426 if (ps == null) { 17427 Slog.i(TAG, "Found stale container " + cid + " with no matching settings"); 17428 continue; 17429 } 17430 17431 /* 17432 * Skip packages that are not external if we're unmounting 17433 * external storage. 17434 */ 17435 if (externalStorage && !isMounted && !isExternal(ps)) { 17436 continue; 17437 } 17438 17439 final AsecInstallArgs args = new AsecInstallArgs(cid, 17440 getAppDexInstructionSets(ps), ps.isForwardLocked()); 17441 // The package status is changed only if the code path 17442 // matches between settings and the container id. 17443 if (ps.codePathString != null 17444 && ps.codePathString.startsWith(args.getCodePath())) { 17445 if (DEBUG_SD_INSTALL) { 17446 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 17447 + " at code path: " + ps.codePathString); 17448 } 17449 17450 // We do have a valid package installed on sdcard 17451 processCids.put(args, ps.codePathString); 17452 final int uid = ps.appId; 17453 if (uid != -1) { 17454 uidArr = ArrayUtils.appendInt(uidArr, uid); 17455 } 17456 } else { 17457 Slog.i(TAG, "Found stale container " + cid + ": expected codePath=" 17458 + ps.codePathString); 17459 } 17460 } 17461 } 17462 17463 Arrays.sort(uidArr); 17464 } 17465 17466 // Process packages with valid entries. 17467 if (isMounted) { 17468 if (DEBUG_SD_INSTALL) 17469 Log.i(TAG, "Loading packages"); 17470 loadMediaPackages(processCids, uidArr, externalStorage); 17471 startCleaningPackages(); 17472 mInstallerService.onSecureContainersAvailable(); 17473 } else { 17474 if (DEBUG_SD_INSTALL) 17475 Log.i(TAG, "Unloading packages"); 17476 unloadMediaPackages(processCids, uidArr, reportStatus); 17477 } 17478 } 17479 17480 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 17481 ArrayList<ApplicationInfo> infos, IIntentReceiver finishedReceiver) { 17482 final int size = infos.size(); 17483 final String[] packageNames = new String[size]; 17484 final int[] packageUids = new int[size]; 17485 for (int i = 0; i < size; i++) { 17486 final ApplicationInfo info = infos.get(i); 17487 packageNames[i] = info.packageName; 17488 packageUids[i] = info.uid; 17489 } 17490 sendResourcesChangedBroadcast(mediaStatus, replacing, packageNames, packageUids, 17491 finishedReceiver); 17492 } 17493 17494 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 17495 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 17496 sendResourcesChangedBroadcast(mediaStatus, replacing, 17497 pkgList.toArray(new String[pkgList.size()]), uidArr, finishedReceiver); 17498 } 17499 17500 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 17501 String[] pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 17502 int size = pkgList.length; 17503 if (size > 0) { 17504 // Send broadcasts here 17505 Bundle extras = new Bundle(); 17506 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 17507 if (uidArr != null) { 17508 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 17509 } 17510 if (replacing) { 17511 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 17512 } 17513 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 17514 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 17515 sendPackageBroadcast(action, null, extras, 0, null, finishedReceiver, null); 17516 } 17517 } 17518 17519 /* 17520 * Look at potentially valid container ids from processCids If package 17521 * information doesn't match the one on record or package scanning fails, 17522 * the cid is added to list of removeCids. We currently don't delete stale 17523 * containers. 17524 */ 17525 private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr, 17526 boolean externalStorage) { 17527 ArrayList<String> pkgList = new ArrayList<String>(); 17528 Set<AsecInstallArgs> keys = processCids.keySet(); 17529 17530 for (AsecInstallArgs args : keys) { 17531 String codePath = processCids.get(args); 17532 if (DEBUG_SD_INSTALL) 17533 Log.i(TAG, "Loading container : " + args.cid); 17534 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 17535 try { 17536 // Make sure there are no container errors first. 17537 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 17538 Slog.e(TAG, "Failed to mount cid : " + args.cid 17539 + " when installing from sdcard"); 17540 continue; 17541 } 17542 // Check code path here. 17543 if (codePath == null || !codePath.startsWith(args.getCodePath())) { 17544 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 17545 + " does not match one in settings " + codePath); 17546 continue; 17547 } 17548 // Parse package 17549 int parseFlags = mDefParseFlags; 17550 if (args.isExternalAsec()) { 17551 parseFlags |= PackageParser.PARSE_EXTERNAL_STORAGE; 17552 } 17553 if (args.isFwdLocked()) { 17554 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 17555 } 17556 17557 synchronized (mInstallLock) { 17558 PackageParser.Package pkg = null; 17559 try { 17560 pkg = scanPackageTracedLI(new File(codePath), parseFlags, 0, 0, null); 17561 } catch (PackageManagerException e) { 17562 Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage()); 17563 } 17564 // Scan the package 17565 if (pkg != null) { 17566 /* 17567 * TODO why is the lock being held? doPostInstall is 17568 * called in other places without the lock. This needs 17569 * to be straightened out. 17570 */ 17571 // writer 17572 synchronized (mPackages) { 17573 retCode = PackageManager.INSTALL_SUCCEEDED; 17574 pkgList.add(pkg.packageName); 17575 // Post process args 17576 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 17577 pkg.applicationInfo.uid); 17578 } 17579 } else { 17580 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 17581 } 17582 } 17583 17584 } finally { 17585 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 17586 Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode); 17587 } 17588 } 17589 } 17590 // writer 17591 synchronized (mPackages) { 17592 // If the platform SDK has changed since the last time we booted, 17593 // we need to re-grant app permission to catch any new ones that 17594 // appear. This is really a hack, and means that apps can in some 17595 // cases get permissions that the user didn't initially explicitly 17596 // allow... it would be nice to have some better way to handle 17597 // this situation. 17598 final VersionInfo ver = externalStorage ? mSettings.getExternalVersion() 17599 : mSettings.getInternalVersion(); 17600 final String volumeUuid = externalStorage ? StorageManager.UUID_PRIMARY_PHYSICAL 17601 : StorageManager.UUID_PRIVATE_INTERNAL; 17602 17603 int updateFlags = UPDATE_PERMISSIONS_ALL; 17604 if (ver.sdkVersion != mSdkVersion) { 17605 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 17606 + mSdkVersion + "; regranting permissions for external"); 17607 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 17608 } 17609 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 17610 17611 // Yay, everything is now upgraded 17612 ver.forceCurrent(); 17613 17614 // can downgrade to reader 17615 // Persist settings 17616 mSettings.writeLPr(); 17617 } 17618 // Send a broadcast to let everyone know we are done processing 17619 if (pkgList.size() > 0) { 17620 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 17621 } 17622 } 17623 17624 /* 17625 * Utility method to unload a list of specified containers 17626 */ 17627 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 17628 // Just unmount all valid containers. 17629 for (AsecInstallArgs arg : cidArgs) { 17630 synchronized (mInstallLock) { 17631 arg.doPostDeleteLI(false); 17632 } 17633 } 17634 } 17635 17636 /* 17637 * Unload packages mounted on external media. This involves deleting package 17638 * data from internal structures, sending broadcasts about disabled packages, 17639 * gc'ing to free up references, unmounting all secure containers 17640 * corresponding to packages on external media, and posting a 17641 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 17642 * that we always have to post this message if status has been requested no 17643 * matter what. 17644 */ 17645 private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[], 17646 final boolean reportStatus) { 17647 if (DEBUG_SD_INSTALL) 17648 Log.i(TAG, "unloading media packages"); 17649 ArrayList<String> pkgList = new ArrayList<String>(); 17650 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 17651 final Set<AsecInstallArgs> keys = processCids.keySet(); 17652 for (AsecInstallArgs args : keys) { 17653 String pkgName = args.getPackageName(); 17654 if (DEBUG_SD_INSTALL) 17655 Log.i(TAG, "Trying to unload pkg : " + pkgName); 17656 // Delete package internally 17657 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 17658 synchronized (mInstallLock) { 17659 boolean res = deletePackageLI(pkgName, null, false, null, 17660 PackageManager.DELETE_KEEP_DATA, outInfo, false, null); 17661 if (res) { 17662 pkgList.add(pkgName); 17663 } else { 17664 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 17665 failedList.add(args); 17666 } 17667 } 17668 } 17669 17670 // reader 17671 synchronized (mPackages) { 17672 // We didn't update the settings after removing each package; 17673 // write them now for all packages. 17674 mSettings.writeLPr(); 17675 } 17676 17677 // We have to absolutely send UPDATED_MEDIA_STATUS only 17678 // after confirming that all the receivers processed the ordered 17679 // broadcast when packages get disabled, force a gc to clean things up. 17680 // and unload all the containers. 17681 if (pkgList.size() > 0) { 17682 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 17683 new IIntentReceiver.Stub() { 17684 public void performReceive(Intent intent, int resultCode, String data, 17685 Bundle extras, boolean ordered, boolean sticky, 17686 int sendingUser) throws RemoteException { 17687 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 17688 reportStatus ? 1 : 0, 1, keys); 17689 mHandler.sendMessage(msg); 17690 } 17691 }); 17692 } else { 17693 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 17694 keys); 17695 mHandler.sendMessage(msg); 17696 } 17697 } 17698 17699 private void loadPrivatePackages(final VolumeInfo vol) { 17700 mHandler.post(new Runnable() { 17701 @Override 17702 public void run() { 17703 loadPrivatePackagesInner(vol); 17704 } 17705 }); 17706 } 17707 17708 private void loadPrivatePackagesInner(VolumeInfo vol) { 17709 final String volumeUuid = vol.fsUuid; 17710 if (TextUtils.isEmpty(volumeUuid)) { 17711 Slog.e(TAG, "Loading internal storage is probably a mistake; ignoring"); 17712 return; 17713 } 17714 17715 final ArrayList<ApplicationInfo> loaded = new ArrayList<>(); 17716 final int parseFlags = mDefParseFlags | PackageParser.PARSE_EXTERNAL_STORAGE; 17717 17718 final VersionInfo ver; 17719 final List<PackageSetting> packages; 17720 synchronized (mPackages) { 17721 ver = mSettings.findOrCreateVersion(volumeUuid); 17722 packages = mSettings.getVolumePackagesLPr(volumeUuid); 17723 } 17724 17725 // TODO: introduce a new concept similar to "frozen" to prevent these 17726 // apps from being launched until after data has been fully reconciled 17727 for (PackageSetting ps : packages) { 17728 synchronized (mInstallLock) { 17729 final PackageParser.Package pkg; 17730 try { 17731 pkg = scanPackageTracedLI(ps.codePath, parseFlags, SCAN_INITIAL, 0, null); 17732 loaded.add(pkg.applicationInfo); 17733 17734 } catch (PackageManagerException e) { 17735 Slog.w(TAG, "Failed to scan " + ps.codePath + ": " + e.getMessage()); 17736 } 17737 17738 if (!Build.FINGERPRINT.equals(ver.fingerprint)) { 17739 deleteCodeCacheDirsLI(ps.volumeUuid, ps.name); 17740 } 17741 } 17742 } 17743 17744 // Reconcile app data for all started/unlocked users 17745 final StorageManager sm = mContext.getSystemService(StorageManager.class); 17746 final UserManager um = mContext.getSystemService(UserManager.class); 17747 for (UserInfo user : um.getUsers()) { 17748 final int flags; 17749 if (um.isUserUnlocked(user.id)) { 17750 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 17751 } else if (um.isUserRunning(user.id)) { 17752 flags = StorageManager.FLAG_STORAGE_DE; 17753 } else { 17754 continue; 17755 } 17756 17757 sm.prepareUserStorage(volumeUuid, user.id, user.serialNumber, flags); 17758 reconcileAppsData(volumeUuid, user.id, flags); 17759 } 17760 17761 synchronized (mPackages) { 17762 int updateFlags = UPDATE_PERMISSIONS_ALL; 17763 if (ver.sdkVersion != mSdkVersion) { 17764 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 17765 + mSdkVersion + "; regranting permissions for " + volumeUuid); 17766 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 17767 } 17768 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 17769 17770 // Yay, everything is now upgraded 17771 ver.forceCurrent(); 17772 17773 mSettings.writeLPr(); 17774 } 17775 17776 if (DEBUG_INSTALL) Slog.d(TAG, "Loaded packages " + loaded); 17777 sendResourcesChangedBroadcast(true, false, loaded, null); 17778 } 17779 17780 private void unloadPrivatePackages(final VolumeInfo vol) { 17781 mHandler.post(new Runnable() { 17782 @Override 17783 public void run() { 17784 unloadPrivatePackagesInner(vol); 17785 } 17786 }); 17787 } 17788 17789 private void unloadPrivatePackagesInner(VolumeInfo vol) { 17790 final String volumeUuid = vol.fsUuid; 17791 if (TextUtils.isEmpty(volumeUuid)) { 17792 Slog.e(TAG, "Unloading internal storage is probably a mistake; ignoring"); 17793 return; 17794 } 17795 17796 final ArrayList<ApplicationInfo> unloaded = new ArrayList<>(); 17797 synchronized (mInstallLock) { 17798 synchronized (mPackages) { 17799 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(volumeUuid); 17800 for (PackageSetting ps : packages) { 17801 if (ps.pkg == null) continue; 17802 17803 final ApplicationInfo info = ps.pkg.applicationInfo; 17804 final PackageRemovedInfo outInfo = new PackageRemovedInfo(); 17805 if (deletePackageLI(ps.name, null, false, null, 17806 PackageManager.DELETE_KEEP_DATA, outInfo, false, null)) { 17807 unloaded.add(info); 17808 } else { 17809 Slog.w(TAG, "Failed to unload " + ps.codePath); 17810 } 17811 } 17812 17813 mSettings.writeLPr(); 17814 } 17815 } 17816 17817 if (DEBUG_INSTALL) Slog.d(TAG, "Unloaded packages " + unloaded); 17818 sendResourcesChangedBroadcast(false, false, unloaded, null); 17819 } 17820 17821 /** 17822 * Examine all users present on given mounted volume, and destroy data 17823 * belonging to users that are no longer valid, or whose user ID has been 17824 * recycled. 17825 */ 17826 private void reconcileUsers(String volumeUuid) { 17827 // TODO: also reconcile DE directories 17828 final File[] files = FileUtils 17829 .listFilesOrEmpty(Environment.getDataUserCeDirectory(volumeUuid)); 17830 for (File file : files) { 17831 if (!file.isDirectory()) continue; 17832 17833 final int userId; 17834 final UserInfo info; 17835 try { 17836 userId = Integer.parseInt(file.getName()); 17837 info = sUserManager.getUserInfo(userId); 17838 } catch (NumberFormatException e) { 17839 Slog.w(TAG, "Invalid user directory " + file); 17840 continue; 17841 } 17842 17843 boolean destroyUser = false; 17844 if (info == null) { 17845 logCriticalInfo(Log.WARN, "Destroying user directory " + file 17846 + " because no matching user was found"); 17847 destroyUser = true; 17848 } else { 17849 try { 17850 UserManagerService.enforceSerialNumber(file, info.serialNumber); 17851 } catch (IOException e) { 17852 logCriticalInfo(Log.WARN, "Destroying user directory " + file 17853 + " because we failed to enforce serial number: " + e); 17854 destroyUser = true; 17855 } 17856 } 17857 17858 if (destroyUser) { 17859 synchronized (mInstallLock) { 17860 try { 17861 mInstaller.removeUserDataDirs(volumeUuid, userId); 17862 } catch (InstallerException e) { 17863 Slog.w(TAG, "Failed to clean up user dirs", e); 17864 } 17865 } 17866 } 17867 } 17868 } 17869 17870 private void assertPackageKnown(String volumeUuid, String packageName) 17871 throws PackageManagerException { 17872 synchronized (mPackages) { 17873 final PackageSetting ps = mSettings.mPackages.get(packageName); 17874 if (ps == null) { 17875 throw new PackageManagerException("Package " + packageName + " is unknown"); 17876 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 17877 throw new PackageManagerException( 17878 "Package " + packageName + " found on unknown volume " + volumeUuid 17879 + "; expected volume " + ps.volumeUuid); 17880 } 17881 } 17882 } 17883 17884 private void assertPackageKnownAndInstalled(String volumeUuid, String packageName, int userId) 17885 throws PackageManagerException { 17886 synchronized (mPackages) { 17887 final PackageSetting ps = mSettings.mPackages.get(packageName); 17888 if (ps == null) { 17889 throw new PackageManagerException("Package " + packageName + " is unknown"); 17890 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 17891 throw new PackageManagerException( 17892 "Package " + packageName + " found on unknown volume " + volumeUuid 17893 + "; expected volume " + ps.volumeUuid); 17894 } else if (!ps.getInstalled(userId)) { 17895 throw new PackageManagerException( 17896 "Package " + packageName + " not installed for user " + userId); 17897 } 17898 } 17899 } 17900 17901 /** 17902 * Examine all apps present on given mounted volume, and destroy apps that 17903 * aren't expected, either due to uninstallation or reinstallation on 17904 * another volume. 17905 */ 17906 private void reconcileApps(String volumeUuid) { 17907 final File[] files = FileUtils 17908 .listFilesOrEmpty(Environment.getDataAppDirectory(volumeUuid)); 17909 for (File file : files) { 17910 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 17911 && !PackageInstallerService.isStageName(file.getName()); 17912 if (!isPackage) { 17913 // Ignore entries which are not packages 17914 continue; 17915 } 17916 17917 try { 17918 final PackageLite pkg = PackageParser.parsePackageLite(file, 17919 PackageParser.PARSE_MUST_BE_APK); 17920 assertPackageKnown(volumeUuid, pkg.packageName); 17921 17922 } catch (PackageParserException | PackageManagerException e) { 17923 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 17924 synchronized (mInstallLock) { 17925 removeCodePathLI(file); 17926 } 17927 } 17928 } 17929 } 17930 17931 /** 17932 * Reconcile all app data for the given user. 17933 * <p> 17934 * Verifies that directories exist and that ownership and labeling is 17935 * correct for all installed apps on all mounted volumes. 17936 */ 17937 void reconcileAppsData(int userId, int flags) { 17938 final StorageManager storage = mContext.getSystemService(StorageManager.class); 17939 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 17940 final String volumeUuid = vol.getFsUuid(); 17941 reconcileAppsData(volumeUuid, userId, flags); 17942 } 17943 } 17944 17945 /** 17946 * Reconcile all app data on given mounted volume. 17947 * <p> 17948 * Destroys app data that isn't expected, either due to uninstallation or 17949 * reinstallation on another volume. 17950 * <p> 17951 * Verifies that directories exist and that ownership and labeling is 17952 * correct for all installed apps. 17953 */ 17954 private void reconcileAppsData(String volumeUuid, int userId, int flags) { 17955 Slog.v(TAG, "reconcileAppsData for " + volumeUuid + " u" + userId + " 0x" 17956 + Integer.toHexString(flags)); 17957 17958 final File ceDir = Environment.getDataUserCeDirectory(volumeUuid, userId); 17959 final File deDir = Environment.getDataUserDeDirectory(volumeUuid, userId); 17960 17961 boolean restoreconNeeded = false; 17962 17963 // First look for stale data that doesn't belong, and check if things 17964 // have changed since we did our last restorecon 17965 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 17966 if (!isUserKeyUnlocked(userId)) { 17967 throw new RuntimeException( 17968 "Yikes, someone asked us to reconcile CE storage while " + userId 17969 + " was still locked; this would have caused massive data loss!"); 17970 } 17971 17972 restoreconNeeded |= SELinuxMMAC.isRestoreconNeeded(ceDir); 17973 17974 final File[] files = FileUtils.listFilesOrEmpty(ceDir); 17975 for (File file : files) { 17976 final String packageName = file.getName(); 17977 try { 17978 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 17979 } catch (PackageManagerException e) { 17980 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 17981 synchronized (mInstallLock) { 17982 destroyAppDataLI(volumeUuid, packageName, userId, 17983 StorageManager.FLAG_STORAGE_CE); 17984 } 17985 } 17986 } 17987 } 17988 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 17989 restoreconNeeded |= SELinuxMMAC.isRestoreconNeeded(deDir); 17990 17991 final File[] files = FileUtils.listFilesOrEmpty(deDir); 17992 for (File file : files) { 17993 final String packageName = file.getName(); 17994 try { 17995 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 17996 } catch (PackageManagerException e) { 17997 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 17998 synchronized (mInstallLock) { 17999 destroyAppDataLI(volumeUuid, packageName, userId, 18000 StorageManager.FLAG_STORAGE_DE); 18001 } 18002 } 18003 } 18004 } 18005 18006 // Ensure that data directories are ready to roll for all packages 18007 // installed for this volume and user 18008 final List<PackageSetting> packages; 18009 synchronized (mPackages) { 18010 packages = mSettings.getVolumePackagesLPr(volumeUuid); 18011 } 18012 int preparedCount = 0; 18013 for (PackageSetting ps : packages) { 18014 final String packageName = ps.name; 18015 if (ps.pkg == null) { 18016 Slog.w(TAG, "Odd, missing scanned package " + packageName); 18017 // TODO: might be due to legacy ASEC apps; we should circle back 18018 // and reconcile again once they're scanned 18019 continue; 18020 } 18021 18022 if (ps.getInstalled(userId)) { 18023 prepareAppData(volumeUuid, userId, flags, ps.pkg, restoreconNeeded); 18024 preparedCount++; 18025 } 18026 } 18027 18028 if (restoreconNeeded) { 18029 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 18030 SELinuxMMAC.setRestoreconDone(ceDir); 18031 } 18032 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 18033 SELinuxMMAC.setRestoreconDone(deDir); 18034 } 18035 } 18036 18037 Slog.v(TAG, "reconcileAppsData finished " + preparedCount 18038 + " packages; restoreconNeeded was " + restoreconNeeded); 18039 } 18040 18041 /** 18042 * Prepare app data for the given app just after it was installed or 18043 * upgraded. This method carefully only touches users that it's installed 18044 * for, and it forces a restorecon to handle any seinfo changes. 18045 * <p> 18046 * Verifies that directories exist and that ownership and labeling is 18047 * correct for all installed apps. If there is an ownership mismatch, it 18048 * will try recovering system apps by wiping data; third-party app data is 18049 * left intact. 18050 * <p> 18051 * <em>Note: To avoid a deadlock, do not call this method with {@code mPackages} lock held</em> 18052 */ 18053 private void prepareAppDataAfterInstall(PackageParser.Package pkg) { 18054 prepareAppDataAfterInstallInternal(pkg); 18055 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 18056 for (int i = 0; i < childCount; i++) { 18057 PackageParser.Package childPackage = pkg.childPackages.get(i); 18058 prepareAppDataAfterInstallInternal(childPackage); 18059 } 18060 } 18061 18062 private void prepareAppDataAfterInstallInternal(PackageParser.Package pkg) { 18063 final PackageSetting ps; 18064 synchronized (mPackages) { 18065 ps = mSettings.mPackages.get(pkg.packageName); 18066 mSettings.writeKernelMappingLPr(ps); 18067 } 18068 18069 final UserManager um = mContext.getSystemService(UserManager.class); 18070 for (UserInfo user : um.getUsers()) { 18071 final int flags; 18072 if (um.isUserUnlocked(user.id)) { 18073 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 18074 } else if (um.isUserRunning(user.id)) { 18075 flags = StorageManager.FLAG_STORAGE_DE; 18076 } else { 18077 continue; 18078 } 18079 18080 if (ps.getInstalled(user.id)) { 18081 // Whenever an app changes, force a restorecon of its data 18082 // TODO: when user data is locked, mark that we're still dirty 18083 prepareAppData(pkg.volumeUuid, user.id, flags, pkg, true); 18084 } 18085 } 18086 } 18087 18088 /** 18089 * Prepare app data for the given app. 18090 * <p> 18091 * Verifies that directories exist and that ownership and labeling is 18092 * correct for all installed apps. If there is an ownership mismatch, this 18093 * will try recovering system apps by wiping data; third-party app data is 18094 * left intact. 18095 */ 18096 private void prepareAppData(String volumeUuid, int userId, int flags, 18097 PackageParser.Package pkg, boolean restoreconNeeded) { 18098 if (DEBUG_APP_DATA) { 18099 Slog.v(TAG, "prepareAppData for " + pkg.packageName + " u" + userId + " 0x" 18100 + Integer.toHexString(flags) + (restoreconNeeded ? " restoreconNeeded" : "")); 18101 } 18102 18103 final String packageName = pkg.packageName; 18104 final ApplicationInfo app = pkg.applicationInfo; 18105 final int appId = UserHandle.getAppId(app.uid); 18106 18107 Preconditions.checkNotNull(app.seinfo); 18108 18109 synchronized (mInstallLock) { 18110 try { 18111 mInstaller.createAppData(volumeUuid, packageName, userId, flags, 18112 appId, app.seinfo, app.targetSdkVersion); 18113 } catch (InstallerException e) { 18114 if (app.isSystemApp()) { 18115 logCriticalInfo(Log.ERROR, "Failed to create app data for " + packageName 18116 + ", but trying to recover: " + e); 18117 destroyAppDataLI(volumeUuid, packageName, userId, flags); 18118 try { 18119 mInstaller.createAppData(volumeUuid, packageName, userId, flags, 18120 appId, app.seinfo, app.targetSdkVersion); 18121 logCriticalInfo(Log.DEBUG, "Recovery succeeded!"); 18122 } catch (InstallerException e2) { 18123 logCriticalInfo(Log.DEBUG, "Recovery failed!"); 18124 } 18125 } else { 18126 Slog.e(TAG, "Failed to create app data for " + packageName + ": " + e); 18127 } 18128 } 18129 18130 if (restoreconNeeded) { 18131 restoreconAppDataLI(volumeUuid, packageName, userId, flags, appId, app.seinfo); 18132 } 18133 18134 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 18135 // Create a native library symlink only if we have native libraries 18136 // and if the native libraries are 32 bit libraries. We do not provide 18137 // this symlink for 64 bit libraries. 18138 if (app.primaryCpuAbi != null && !VMRuntime.is64BitAbi(app.primaryCpuAbi)) { 18139 final String nativeLibPath = app.nativeLibraryDir; 18140 try { 18141 mInstaller.linkNativeLibraryDirectory(volumeUuid, packageName, 18142 nativeLibPath, userId); 18143 } catch (InstallerException e) { 18144 Slog.e(TAG, "Failed to link native for " + packageName + ": " + e); 18145 } 18146 } 18147 } 18148 } 18149 } 18150 18151 private void unfreezePackage(String packageName) { 18152 synchronized (mPackages) { 18153 final PackageSetting ps = mSettings.mPackages.get(packageName); 18154 if (ps != null) { 18155 ps.frozen = false; 18156 } 18157 } 18158 } 18159 18160 @Override 18161 public int movePackage(final String packageName, final String volumeUuid) { 18162 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 18163 18164 final int moveId = mNextMoveId.getAndIncrement(); 18165 mHandler.post(new Runnable() { 18166 @Override 18167 public void run() { 18168 try { 18169 movePackageInternal(packageName, volumeUuid, moveId); 18170 } catch (PackageManagerException e) { 18171 Slog.w(TAG, "Failed to move " + packageName, e); 18172 mMoveCallbacks.notifyStatusChanged(moveId, 18173 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 18174 } 18175 } 18176 }); 18177 return moveId; 18178 } 18179 18180 private void movePackageInternal(final String packageName, final String volumeUuid, 18181 final int moveId) throws PackageManagerException { 18182 final UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 18183 final StorageManager storage = mContext.getSystemService(StorageManager.class); 18184 final PackageManager pm = mContext.getPackageManager(); 18185 18186 final boolean currentAsec; 18187 final String currentVolumeUuid; 18188 final File codeFile; 18189 final String installerPackageName; 18190 final String packageAbiOverride; 18191 final int appId; 18192 final String seinfo; 18193 final String label; 18194 final int targetSdkVersion; 18195 18196 // reader 18197 synchronized (mPackages) { 18198 final PackageParser.Package pkg = mPackages.get(packageName); 18199 final PackageSetting ps = mSettings.mPackages.get(packageName); 18200 if (pkg == null || ps == null) { 18201 throw new PackageManagerException(MOVE_FAILED_DOESNT_EXIST, "Missing package"); 18202 } 18203 18204 if (pkg.applicationInfo.isSystemApp()) { 18205 throw new PackageManagerException(MOVE_FAILED_SYSTEM_PACKAGE, 18206 "Cannot move system application"); 18207 } 18208 18209 if (pkg.applicationInfo.isExternalAsec()) { 18210 currentAsec = true; 18211 currentVolumeUuid = StorageManager.UUID_PRIMARY_PHYSICAL; 18212 } else if (pkg.applicationInfo.isForwardLocked()) { 18213 currentAsec = true; 18214 currentVolumeUuid = "forward_locked"; 18215 } else { 18216 currentAsec = false; 18217 currentVolumeUuid = ps.volumeUuid; 18218 18219 final File probe = new File(pkg.codePath); 18220 final File probeOat = new File(probe, "oat"); 18221 if (!probe.isDirectory() || !probeOat.isDirectory()) { 18222 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 18223 "Move only supported for modern cluster style installs"); 18224 } 18225 } 18226 18227 if (Objects.equals(currentVolumeUuid, volumeUuid)) { 18228 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 18229 "Package already moved to " + volumeUuid); 18230 } 18231 if (pkg.applicationInfo.isInternal() && isPackageDeviceAdminOnAnyUser(packageName)) { 18232 throw new PackageManagerException(MOVE_FAILED_DEVICE_ADMIN, 18233 "Device admin cannot be moved"); 18234 } 18235 18236 if (ps.frozen) { 18237 throw new PackageManagerException(MOVE_FAILED_OPERATION_PENDING, 18238 "Failed to move already frozen package"); 18239 } 18240 ps.frozen = true; 18241 18242 codeFile = new File(pkg.codePath); 18243 installerPackageName = ps.installerPackageName; 18244 packageAbiOverride = ps.cpuAbiOverrideString; 18245 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 18246 seinfo = pkg.applicationInfo.seinfo; 18247 label = String.valueOf(pm.getApplicationLabel(pkg.applicationInfo)); 18248 targetSdkVersion = pkg.applicationInfo.targetSdkVersion; 18249 } 18250 18251 // Now that we're guarded by frozen state, kill app during move 18252 final long token = Binder.clearCallingIdentity(); 18253 try { 18254 killApplication(packageName, appId, "move pkg"); 18255 } finally { 18256 Binder.restoreCallingIdentity(token); 18257 } 18258 18259 final Bundle extras = new Bundle(); 18260 extras.putString(Intent.EXTRA_PACKAGE_NAME, packageName); 18261 extras.putString(Intent.EXTRA_TITLE, label); 18262 mMoveCallbacks.notifyCreated(moveId, extras); 18263 18264 int installFlags; 18265 final boolean moveCompleteApp; 18266 final File measurePath; 18267 18268 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, volumeUuid)) { 18269 installFlags = INSTALL_INTERNAL; 18270 moveCompleteApp = !currentAsec; 18271 measurePath = Environment.getDataAppDirectory(volumeUuid); 18272 } else if (Objects.equals(StorageManager.UUID_PRIMARY_PHYSICAL, volumeUuid)) { 18273 installFlags = INSTALL_EXTERNAL; 18274 moveCompleteApp = false; 18275 measurePath = storage.getPrimaryPhysicalVolume().getPath(); 18276 } else { 18277 final VolumeInfo volume = storage.findVolumeByUuid(volumeUuid); 18278 if (volume == null || volume.getType() != VolumeInfo.TYPE_PRIVATE 18279 || !volume.isMountedWritable()) { 18280 unfreezePackage(packageName); 18281 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 18282 "Move location not mounted private volume"); 18283 } 18284 18285 Preconditions.checkState(!currentAsec); 18286 18287 installFlags = INSTALL_INTERNAL; 18288 moveCompleteApp = true; 18289 measurePath = Environment.getDataAppDirectory(volumeUuid); 18290 } 18291 18292 final PackageStats stats = new PackageStats(null, -1); 18293 synchronized (mInstaller) { 18294 if (!getPackageSizeInfoLI(packageName, -1, stats)) { 18295 unfreezePackage(packageName); 18296 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 18297 "Failed to measure package size"); 18298 } 18299 } 18300 18301 if (DEBUG_INSTALL) Slog.d(TAG, "Measured code size " + stats.codeSize + ", data size " 18302 + stats.dataSize); 18303 18304 final long startFreeBytes = measurePath.getFreeSpace(); 18305 final long sizeBytes; 18306 if (moveCompleteApp) { 18307 sizeBytes = stats.codeSize + stats.dataSize; 18308 } else { 18309 sizeBytes = stats.codeSize; 18310 } 18311 18312 if (sizeBytes > storage.getStorageBytesUntilLow(measurePath)) { 18313 unfreezePackage(packageName); 18314 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 18315 "Not enough free space to move"); 18316 } 18317 18318 mMoveCallbacks.notifyStatusChanged(moveId, 10); 18319 18320 final CountDownLatch installedLatch = new CountDownLatch(1); 18321 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 18322 @Override 18323 public void onUserActionRequired(Intent intent) throws RemoteException { 18324 throw new IllegalStateException(); 18325 } 18326 18327 @Override 18328 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 18329 Bundle extras) throws RemoteException { 18330 if (DEBUG_INSTALL) Slog.d(TAG, "Install result for move: " 18331 + PackageManager.installStatusToString(returnCode, msg)); 18332 18333 installedLatch.countDown(); 18334 18335 // Regardless of success or failure of the move operation, 18336 // always unfreeze the package 18337 unfreezePackage(packageName); 18338 18339 final int status = PackageManager.installStatusToPublicStatus(returnCode); 18340 switch (status) { 18341 case PackageInstaller.STATUS_SUCCESS: 18342 mMoveCallbacks.notifyStatusChanged(moveId, 18343 PackageManager.MOVE_SUCCEEDED); 18344 break; 18345 case PackageInstaller.STATUS_FAILURE_STORAGE: 18346 mMoveCallbacks.notifyStatusChanged(moveId, 18347 PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 18348 break; 18349 default: 18350 mMoveCallbacks.notifyStatusChanged(moveId, 18351 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 18352 break; 18353 } 18354 } 18355 }; 18356 18357 final MoveInfo move; 18358 if (moveCompleteApp) { 18359 // Kick off a thread to report progress estimates 18360 new Thread() { 18361 @Override 18362 public void run() { 18363 while (true) { 18364 try { 18365 if (installedLatch.await(1, TimeUnit.SECONDS)) { 18366 break; 18367 } 18368 } catch (InterruptedException ignored) { 18369 } 18370 18371 final long deltaFreeBytes = startFreeBytes - measurePath.getFreeSpace(); 18372 final int progress = 10 + (int) MathUtils.constrain( 18373 ((deltaFreeBytes * 80) / sizeBytes), 0, 80); 18374 mMoveCallbacks.notifyStatusChanged(moveId, progress); 18375 } 18376 } 18377 }.start(); 18378 18379 final String dataAppName = codeFile.getName(); 18380 move = new MoveInfo(moveId, currentVolumeUuid, volumeUuid, packageName, 18381 dataAppName, appId, seinfo, targetSdkVersion); 18382 } else { 18383 move = null; 18384 } 18385 18386 installFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 18387 18388 final Message msg = mHandler.obtainMessage(INIT_COPY); 18389 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 18390 final InstallParams params = new InstallParams(origin, move, installObserver, installFlags, 18391 installerPackageName, volumeUuid, null, user, packageAbiOverride, null); 18392 params.setTraceMethod("movePackage").setTraceCookie(System.identityHashCode(params)); 18393 msg.obj = params; 18394 18395 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "movePackage", 18396 System.identityHashCode(msg.obj)); 18397 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 18398 System.identityHashCode(msg.obj)); 18399 18400 mHandler.sendMessage(msg); 18401 } 18402 18403 @Override 18404 public int movePrimaryStorage(String volumeUuid) throws RemoteException { 18405 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 18406 18407 final int realMoveId = mNextMoveId.getAndIncrement(); 18408 final Bundle extras = new Bundle(); 18409 extras.putString(VolumeRecord.EXTRA_FS_UUID, volumeUuid); 18410 mMoveCallbacks.notifyCreated(realMoveId, extras); 18411 18412 final IPackageMoveObserver callback = new IPackageMoveObserver.Stub() { 18413 @Override 18414 public void onCreated(int moveId, Bundle extras) { 18415 // Ignored 18416 } 18417 18418 @Override 18419 public void onStatusChanged(int moveId, int status, long estMillis) { 18420 mMoveCallbacks.notifyStatusChanged(realMoveId, status, estMillis); 18421 } 18422 }; 18423 18424 final StorageManager storage = mContext.getSystemService(StorageManager.class); 18425 storage.setPrimaryStorageUuid(volumeUuid, callback); 18426 return realMoveId; 18427 } 18428 18429 @Override 18430 public int getMoveStatus(int moveId) { 18431 mContext.enforceCallingOrSelfPermission( 18432 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 18433 return mMoveCallbacks.mLastStatus.get(moveId); 18434 } 18435 18436 @Override 18437 public void registerMoveCallback(IPackageMoveObserver callback) { 18438 mContext.enforceCallingOrSelfPermission( 18439 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 18440 mMoveCallbacks.register(callback); 18441 } 18442 18443 @Override 18444 public void unregisterMoveCallback(IPackageMoveObserver callback) { 18445 mContext.enforceCallingOrSelfPermission( 18446 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 18447 mMoveCallbacks.unregister(callback); 18448 } 18449 18450 @Override 18451 public boolean setInstallLocation(int loc) { 18452 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 18453 null); 18454 if (getInstallLocation() == loc) { 18455 return true; 18456 } 18457 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 18458 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 18459 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 18460 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 18461 return true; 18462 } 18463 return false; 18464 } 18465 18466 @Override 18467 public int getInstallLocation() { 18468 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 18469 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 18470 PackageHelper.APP_INSTALL_AUTO); 18471 } 18472 18473 /** Called by UserManagerService */ 18474 void cleanUpUser(UserManagerService userManager, int userHandle) { 18475 synchronized (mPackages) { 18476 mDirtyUsers.remove(userHandle); 18477 mUserNeedsBadging.delete(userHandle); 18478 mSettings.removeUserLPw(userHandle); 18479 mPendingBroadcasts.remove(userHandle); 18480 mEphemeralApplicationRegistry.onUserRemovedLPw(userHandle); 18481 } 18482 synchronized (mInstallLock) { 18483 final StorageManager storage = mContext.getSystemService(StorageManager.class); 18484 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 18485 final String volumeUuid = vol.getFsUuid(); 18486 if (DEBUG_INSTALL) Slog.d(TAG, "Removing user data on volume " + volumeUuid); 18487 try { 18488 mInstaller.removeUserDataDirs(volumeUuid, userHandle); 18489 } catch (InstallerException e) { 18490 Slog.w(TAG, "Failed to remove user data", e); 18491 } 18492 } 18493 synchronized (mPackages) { 18494 removeUnusedPackagesLILPw(userManager, userHandle); 18495 } 18496 } 18497 } 18498 18499 /** 18500 * We're removing userHandle and would like to remove any downloaded packages 18501 * that are no longer in use by any other user. 18502 * @param userHandle the user being removed 18503 */ 18504 private void removeUnusedPackagesLILPw(UserManagerService userManager, final int userHandle) { 18505 final boolean DEBUG_CLEAN_APKS = false; 18506 int [] users = userManager.getUserIds(); 18507 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 18508 while (psit.hasNext()) { 18509 PackageSetting ps = psit.next(); 18510 if (ps.pkg == null) { 18511 continue; 18512 } 18513 final String packageName = ps.pkg.packageName; 18514 // Skip over if system app 18515 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 18516 continue; 18517 } 18518 if (DEBUG_CLEAN_APKS) { 18519 Slog.i(TAG, "Checking package " + packageName); 18520 } 18521 boolean keep = shouldKeepUninstalledPackageLPr(packageName); 18522 if (keep) { 18523 if (DEBUG_CLEAN_APKS) { 18524 Slog.i(TAG, " Keeping package " + packageName + " - requested by DO"); 18525 } 18526 } else { 18527 for (int i = 0; i < users.length; i++) { 18528 if (users[i] != userHandle && ps.getInstalled(users[i])) { 18529 keep = true; 18530 if (DEBUG_CLEAN_APKS) { 18531 Slog.i(TAG, " Keeping package " + packageName + " for user " 18532 + users[i]); 18533 } 18534 break; 18535 } 18536 } 18537 } 18538 if (!keep) { 18539 if (DEBUG_CLEAN_APKS) { 18540 Slog.i(TAG, " Removing package " + packageName); 18541 } 18542 mHandler.post(new Runnable() { 18543 public void run() { 18544 deletePackageX(packageName, userHandle, 0); 18545 } //end run 18546 }); 18547 } 18548 } 18549 } 18550 18551 /** Called by UserManagerService */ 18552 void createNewUser(int userHandle) { 18553 synchronized (mInstallLock) { 18554 try { 18555 mInstaller.createUserConfig(userHandle); 18556 } catch (InstallerException e) { 18557 Slog.w(TAG, "Failed to create user config", e); 18558 } 18559 mSettings.createNewUserLI(this, mInstaller, userHandle); 18560 } 18561 synchronized (mPackages) { 18562 applyFactoryDefaultBrowserLPw(userHandle); 18563 primeDomainVerificationsLPw(userHandle); 18564 } 18565 } 18566 18567 void newUserCreated(final int userHandle) { 18568 mDefaultPermissionPolicy.grantDefaultPermissions(userHandle); 18569 // If permission review for legacy apps is required, we represent 18570 // dagerous permissions for such apps as always granted runtime 18571 // permissions to keep per user flag state whether review is needed. 18572 // Hence, if a new user is added we have to propagate dangerous 18573 // permission grants for these legacy apps. 18574 if (Build.PERMISSIONS_REVIEW_REQUIRED) { 18575 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 18576 | UPDATE_PERMISSIONS_REPLACE_ALL); 18577 } 18578 } 18579 18580 @Override 18581 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 18582 mContext.enforceCallingOrSelfPermission( 18583 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 18584 "Only package verification agents can read the verifier device identity"); 18585 18586 synchronized (mPackages) { 18587 return mSettings.getVerifierDeviceIdentityLPw(); 18588 } 18589 } 18590 18591 @Override 18592 public void setPermissionEnforced(String permission, boolean enforced) { 18593 // TODO: Now that we no longer change GID for storage, this should to away. 18594 mContext.enforceCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 18595 "setPermissionEnforced"); 18596 if (READ_EXTERNAL_STORAGE.equals(permission)) { 18597 synchronized (mPackages) { 18598 if (mSettings.mReadExternalStorageEnforced == null 18599 || mSettings.mReadExternalStorageEnforced != enforced) { 18600 mSettings.mReadExternalStorageEnforced = enforced; 18601 mSettings.writeLPr(); 18602 } 18603 } 18604 // kill any non-foreground processes so we restart them and 18605 // grant/revoke the GID. 18606 final IActivityManager am = ActivityManagerNative.getDefault(); 18607 if (am != null) { 18608 final long token = Binder.clearCallingIdentity(); 18609 try { 18610 am.killProcessesBelowForeground("setPermissionEnforcement"); 18611 } catch (RemoteException e) { 18612 } finally { 18613 Binder.restoreCallingIdentity(token); 18614 } 18615 } 18616 } else { 18617 throw new IllegalArgumentException("No selective enforcement for " + permission); 18618 } 18619 } 18620 18621 @Override 18622 @Deprecated 18623 public boolean isPermissionEnforced(String permission) { 18624 return true; 18625 } 18626 18627 @Override 18628 public boolean isStorageLow() { 18629 final long token = Binder.clearCallingIdentity(); 18630 try { 18631 final DeviceStorageMonitorInternal 18632 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 18633 if (dsm != null) { 18634 return dsm.isMemoryLow(); 18635 } else { 18636 return false; 18637 } 18638 } finally { 18639 Binder.restoreCallingIdentity(token); 18640 } 18641 } 18642 18643 @Override 18644 public IPackageInstaller getPackageInstaller() { 18645 return mInstallerService; 18646 } 18647 18648 private boolean userNeedsBadging(int userId) { 18649 int index = mUserNeedsBadging.indexOfKey(userId); 18650 if (index < 0) { 18651 final UserInfo userInfo; 18652 final long token = Binder.clearCallingIdentity(); 18653 try { 18654 userInfo = sUserManager.getUserInfo(userId); 18655 } finally { 18656 Binder.restoreCallingIdentity(token); 18657 } 18658 final boolean b; 18659 if (userInfo != null && userInfo.isManagedProfile()) { 18660 b = true; 18661 } else { 18662 b = false; 18663 } 18664 mUserNeedsBadging.put(userId, b); 18665 return b; 18666 } 18667 return mUserNeedsBadging.valueAt(index); 18668 } 18669 18670 @Override 18671 public KeySet getKeySetByAlias(String packageName, String alias) { 18672 if (packageName == null || alias == null) { 18673 return null; 18674 } 18675 synchronized(mPackages) { 18676 final PackageParser.Package pkg = mPackages.get(packageName); 18677 if (pkg == null) { 18678 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 18679 throw new IllegalArgumentException("Unknown package: " + packageName); 18680 } 18681 KeySetManagerService ksms = mSettings.mKeySetManagerService; 18682 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 18683 } 18684 } 18685 18686 @Override 18687 public KeySet getSigningKeySet(String packageName) { 18688 if (packageName == null) { 18689 return null; 18690 } 18691 synchronized(mPackages) { 18692 final PackageParser.Package pkg = mPackages.get(packageName); 18693 if (pkg == null) { 18694 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 18695 throw new IllegalArgumentException("Unknown package: " + packageName); 18696 } 18697 if (pkg.applicationInfo.uid != Binder.getCallingUid() 18698 && Process.SYSTEM_UID != Binder.getCallingUid()) { 18699 throw new SecurityException("May not access signing KeySet of other apps."); 18700 } 18701 KeySetManagerService ksms = mSettings.mKeySetManagerService; 18702 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 18703 } 18704 } 18705 18706 @Override 18707 public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { 18708 if (packageName == null || ks == null) { 18709 return false; 18710 } 18711 synchronized(mPackages) { 18712 final PackageParser.Package pkg = mPackages.get(packageName); 18713 if (pkg == null) { 18714 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 18715 throw new IllegalArgumentException("Unknown package: " + packageName); 18716 } 18717 IBinder ksh = ks.getToken(); 18718 if (ksh instanceof KeySetHandle) { 18719 KeySetManagerService ksms = mSettings.mKeySetManagerService; 18720 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 18721 } 18722 return false; 18723 } 18724 } 18725 18726 @Override 18727 public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { 18728 if (packageName == null || ks == null) { 18729 return false; 18730 } 18731 synchronized(mPackages) { 18732 final PackageParser.Package pkg = mPackages.get(packageName); 18733 if (pkg == null) { 18734 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 18735 throw new IllegalArgumentException("Unknown package: " + packageName); 18736 } 18737 IBinder ksh = ks.getToken(); 18738 if (ksh instanceof KeySetHandle) { 18739 KeySetManagerService ksms = mSettings.mKeySetManagerService; 18740 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 18741 } 18742 return false; 18743 } 18744 } 18745 18746 private void deletePackageIfUnusedLPr(final String packageName) { 18747 PackageSetting ps = mSettings.mPackages.get(packageName); 18748 if (ps == null) { 18749 return; 18750 } 18751 if (!ps.isAnyInstalled(sUserManager.getUserIds())) { 18752 // TODO Implement atomic delete if package is unused 18753 // It is currently possible that the package will be deleted even if it is installed 18754 // after this method returns. 18755 mHandler.post(new Runnable() { 18756 public void run() { 18757 deletePackageX(packageName, 0, PackageManager.DELETE_ALL_USERS); 18758 } 18759 }); 18760 } 18761 } 18762 18763 /** 18764 * Check and throw if the given before/after packages would be considered a 18765 * downgrade. 18766 */ 18767 private static void checkDowngrade(PackageParser.Package before, PackageInfoLite after) 18768 throws PackageManagerException { 18769 if (after.versionCode < before.mVersionCode) { 18770 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 18771 "Update version code " + after.versionCode + " is older than current " 18772 + before.mVersionCode); 18773 } else if (after.versionCode == before.mVersionCode) { 18774 if (after.baseRevisionCode < before.baseRevisionCode) { 18775 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 18776 "Update base revision code " + after.baseRevisionCode 18777 + " is older than current " + before.baseRevisionCode); 18778 } 18779 18780 if (!ArrayUtils.isEmpty(after.splitNames)) { 18781 for (int i = 0; i < after.splitNames.length; i++) { 18782 final String splitName = after.splitNames[i]; 18783 final int j = ArrayUtils.indexOf(before.splitNames, splitName); 18784 if (j != -1) { 18785 if (after.splitRevisionCodes[i] < before.splitRevisionCodes[j]) { 18786 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 18787 "Update split " + splitName + " revision code " 18788 + after.splitRevisionCodes[i] + " is older than current " 18789 + before.splitRevisionCodes[j]); 18790 } 18791 } 18792 } 18793 } 18794 } 18795 } 18796 18797 private static class MoveCallbacks extends Handler { 18798 private static final int MSG_CREATED = 1; 18799 private static final int MSG_STATUS_CHANGED = 2; 18800 18801 private final RemoteCallbackList<IPackageMoveObserver> 18802 mCallbacks = new RemoteCallbackList<>(); 18803 18804 private final SparseIntArray mLastStatus = new SparseIntArray(); 18805 18806 public MoveCallbacks(Looper looper) { 18807 super(looper); 18808 } 18809 18810 public void register(IPackageMoveObserver callback) { 18811 mCallbacks.register(callback); 18812 } 18813 18814 public void unregister(IPackageMoveObserver callback) { 18815 mCallbacks.unregister(callback); 18816 } 18817 18818 @Override 18819 public void handleMessage(Message msg) { 18820 final SomeArgs args = (SomeArgs) msg.obj; 18821 final int n = mCallbacks.beginBroadcast(); 18822 for (int i = 0; i < n; i++) { 18823 final IPackageMoveObserver callback = mCallbacks.getBroadcastItem(i); 18824 try { 18825 invokeCallback(callback, msg.what, args); 18826 } catch (RemoteException ignored) { 18827 } 18828 } 18829 mCallbacks.finishBroadcast(); 18830 args.recycle(); 18831 } 18832 18833 private void invokeCallback(IPackageMoveObserver callback, int what, SomeArgs args) 18834 throws RemoteException { 18835 switch (what) { 18836 case MSG_CREATED: { 18837 callback.onCreated(args.argi1, (Bundle) args.arg2); 18838 break; 18839 } 18840 case MSG_STATUS_CHANGED: { 18841 callback.onStatusChanged(args.argi1, args.argi2, (long) args.arg3); 18842 break; 18843 } 18844 } 18845 } 18846 18847 private void notifyCreated(int moveId, Bundle extras) { 18848 Slog.v(TAG, "Move " + moveId + " created " + extras.toString()); 18849 18850 final SomeArgs args = SomeArgs.obtain(); 18851 args.argi1 = moveId; 18852 args.arg2 = extras; 18853 obtainMessage(MSG_CREATED, args).sendToTarget(); 18854 } 18855 18856 private void notifyStatusChanged(int moveId, int status) { 18857 notifyStatusChanged(moveId, status, -1); 18858 } 18859 18860 private void notifyStatusChanged(int moveId, int status, long estMillis) { 18861 Slog.v(TAG, "Move " + moveId + " status " + status); 18862 18863 final SomeArgs args = SomeArgs.obtain(); 18864 args.argi1 = moveId; 18865 args.argi2 = status; 18866 args.arg3 = estMillis; 18867 obtainMessage(MSG_STATUS_CHANGED, args).sendToTarget(); 18868 18869 synchronized (mLastStatus) { 18870 mLastStatus.put(moveId, status); 18871 } 18872 } 18873 } 18874 18875 private final static class OnPermissionChangeListeners extends Handler { 18876 private static final int MSG_ON_PERMISSIONS_CHANGED = 1; 18877 18878 private final RemoteCallbackList<IOnPermissionsChangeListener> mPermissionListeners = 18879 new RemoteCallbackList<>(); 18880 18881 public OnPermissionChangeListeners(Looper looper) { 18882 super(looper); 18883 } 18884 18885 @Override 18886 public void handleMessage(Message msg) { 18887 switch (msg.what) { 18888 case MSG_ON_PERMISSIONS_CHANGED: { 18889 final int uid = msg.arg1; 18890 handleOnPermissionsChanged(uid); 18891 } break; 18892 } 18893 } 18894 18895 public void addListenerLocked(IOnPermissionsChangeListener listener) { 18896 mPermissionListeners.register(listener); 18897 18898 } 18899 18900 public void removeListenerLocked(IOnPermissionsChangeListener listener) { 18901 mPermissionListeners.unregister(listener); 18902 } 18903 18904 public void onPermissionsChanged(int uid) { 18905 if (mPermissionListeners.getRegisteredCallbackCount() > 0) { 18906 obtainMessage(MSG_ON_PERMISSIONS_CHANGED, uid, 0).sendToTarget(); 18907 } 18908 } 18909 18910 private void handleOnPermissionsChanged(int uid) { 18911 final int count = mPermissionListeners.beginBroadcast(); 18912 try { 18913 for (int i = 0; i < count; i++) { 18914 IOnPermissionsChangeListener callback = mPermissionListeners 18915 .getBroadcastItem(i); 18916 try { 18917 callback.onPermissionsChanged(uid); 18918 } catch (RemoteException e) { 18919 Log.e(TAG, "Permission listener is dead", e); 18920 } 18921 } 18922 } finally { 18923 mPermissionListeners.finishBroadcast(); 18924 } 18925 } 18926 } 18927 18928 private class PackageManagerInternalImpl extends PackageManagerInternal { 18929 @Override 18930 public void setLocationPackagesProvider(PackagesProvider provider) { 18931 synchronized (mPackages) { 18932 mDefaultPermissionPolicy.setLocationPackagesProviderLPw(provider); 18933 } 18934 } 18935 18936 @Override 18937 public void setVoiceInteractionPackagesProvider(PackagesProvider provider) { 18938 synchronized (mPackages) { 18939 mDefaultPermissionPolicy.setVoiceInteractionPackagesProviderLPw(provider); 18940 } 18941 } 18942 18943 @Override 18944 public void setSmsAppPackagesProvider(PackagesProvider provider) { 18945 synchronized (mPackages) { 18946 mDefaultPermissionPolicy.setSmsAppPackagesProviderLPw(provider); 18947 } 18948 } 18949 18950 @Override 18951 public void setDialerAppPackagesProvider(PackagesProvider provider) { 18952 synchronized (mPackages) { 18953 mDefaultPermissionPolicy.setDialerAppPackagesProviderLPw(provider); 18954 } 18955 } 18956 18957 @Override 18958 public void setSimCallManagerPackagesProvider(PackagesProvider provider) { 18959 synchronized (mPackages) { 18960 mDefaultPermissionPolicy.setSimCallManagerPackagesProviderLPw(provider); 18961 } 18962 } 18963 18964 @Override 18965 public void setSyncAdapterPackagesprovider(SyncAdapterPackagesProvider provider) { 18966 synchronized (mPackages) { 18967 mDefaultPermissionPolicy.setSyncAdapterPackagesProviderLPw(provider); 18968 } 18969 } 18970 18971 @Override 18972 public void grantDefaultPermissionsToDefaultSmsApp(String packageName, int userId) { 18973 synchronized (mPackages) { 18974 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSmsAppLPr( 18975 packageName, userId); 18976 } 18977 } 18978 18979 @Override 18980 public void grantDefaultPermissionsToDefaultDialerApp(String packageName, int userId) { 18981 synchronized (mPackages) { 18982 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultDialerAppLPr( 18983 packageName, userId); 18984 } 18985 } 18986 18987 @Override 18988 public void grantDefaultPermissionsToDefaultSimCallManager(String packageName, int userId) { 18989 synchronized (mPackages) { 18990 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSimCallManagerLPr( 18991 packageName, userId); 18992 } 18993 } 18994 18995 @Override 18996 public void setKeepUninstalledPackages(final List<String> packageList) { 18997 Preconditions.checkNotNull(packageList); 18998 List<String> removedFromList = null; 18999 synchronized (mPackages) { 19000 if (mKeepUninstalledPackages != null) { 19001 final int packagesCount = mKeepUninstalledPackages.size(); 19002 for (int i = 0; i < packagesCount; i++) { 19003 String oldPackage = mKeepUninstalledPackages.get(i); 19004 if (packageList != null && packageList.contains(oldPackage)) { 19005 continue; 19006 } 19007 if (removedFromList == null) { 19008 removedFromList = new ArrayList<>(); 19009 } 19010 removedFromList.add(oldPackage); 19011 } 19012 } 19013 mKeepUninstalledPackages = new ArrayList<>(packageList); 19014 if (removedFromList != null) { 19015 final int removedCount = removedFromList.size(); 19016 for (int i = 0; i < removedCount; i++) { 19017 deletePackageIfUnusedLPr(removedFromList.get(i)); 19018 } 19019 } 19020 } 19021 } 19022 19023 @Override 19024 public boolean isPermissionsReviewRequired(String packageName, int userId) { 19025 synchronized (mPackages) { 19026 // If we do not support permission review, done. 19027 if (!Build.PERMISSIONS_REVIEW_REQUIRED) { 19028 return false; 19029 } 19030 19031 PackageSetting packageSetting = mSettings.mPackages.get(packageName); 19032 if (packageSetting == null) { 19033 return false; 19034 } 19035 19036 // Permission review applies only to apps not supporting the new permission model. 19037 if (packageSetting.pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.M) { 19038 return false; 19039 } 19040 19041 // Legacy apps have the permission and get user consent on launch. 19042 PermissionsState permissionsState = packageSetting.getPermissionsState(); 19043 return permissionsState.isPermissionReviewRequired(userId); 19044 } 19045 } 19046 } 19047 19048 @Override 19049 public void grantDefaultPermissionsToEnabledCarrierApps(String[] packageNames, int userId) { 19050 enforceSystemOrPhoneCaller("grantPermissionsToEnabledCarrierApps"); 19051 synchronized (mPackages) { 19052 final long identity = Binder.clearCallingIdentity(); 19053 try { 19054 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledCarrierAppsLPr( 19055 packageNames, userId); 19056 } finally { 19057 Binder.restoreCallingIdentity(identity); 19058 } 19059 } 19060 } 19061 19062 private static void enforceSystemOrPhoneCaller(String tag) { 19063 int callingUid = Binder.getCallingUid(); 19064 if (callingUid != Process.PHONE_UID && callingUid != Process.SYSTEM_UID) { 19065 throw new SecurityException( 19066 "Cannot call " + tag + " from UID " + callingUid); 19067 } 19068 } 19069 19070 boolean isHistoricalPackageUsageAvailable() { 19071 return mPackageUsage.isHistoricalPackageUsageAvailable(); 19072 } 19073} 19074