PackageManagerService.java revision f9124ecad9ec20f572df8cdca6f985ef3f97210d
1/* 2 * Copyright (C) 2006 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package com.android.server.pm; 18 19import static android.Manifest.permission.READ_EXTERNAL_STORAGE; 20import static android.Manifest.permission.WRITE_EXTERNAL_STORAGE; 21import static android.Manifest.permission.WRITE_MEDIA_STORAGE; 22import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DEFAULT; 23import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED; 24import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED; 25import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_USER; 26import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_ENABLED; 27import static android.content.pm.PackageManager.DELETE_KEEP_DATA; 28import static android.content.pm.PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 29import static android.content.pm.PackageManager.FLAG_PERMISSION_POLICY_FIXED; 30import static android.content.pm.PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 31import static android.content.pm.PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE; 32import static android.content.pm.PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 33import static android.content.pm.PackageManager.FLAG_PERMISSION_USER_FIXED; 34import static android.content.pm.PackageManager.FLAG_PERMISSION_USER_SET; 35import static android.content.pm.PackageManager.INSTALL_EXTERNAL; 36import static android.content.pm.PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 37import static android.content.pm.PackageManager.INSTALL_FAILED_CONFLICTING_PROVIDER; 38import static android.content.pm.PackageManager.INSTALL_FAILED_DEXOPT; 39import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 40import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION; 41import static android.content.pm.PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID; 42import static android.content.pm.PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 43import static android.content.pm.PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 44import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_APK; 45import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 46import static android.content.pm.PackageManager.INSTALL_FAILED_MISSING_SHARED_LIBRARY; 47import static android.content.pm.PackageManager.INSTALL_FAILED_PACKAGE_CHANGED; 48import static android.content.pm.PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 49import static android.content.pm.PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 50import static android.content.pm.PackageManager.INSTALL_FAILED_TEST_ONLY; 51import static android.content.pm.PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 52import static android.content.pm.PackageManager.INSTALL_FAILED_USER_RESTRICTED; 53import static android.content.pm.PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 54import static android.content.pm.PackageManager.INSTALL_FORWARD_LOCK; 55import static android.content.pm.PackageManager.INSTALL_INTERNAL; 56import static android.content.pm.PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 57import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 58import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK; 59import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 60import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER; 61import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 62import static android.content.pm.PackageManager.MATCH_ALL; 63import static android.content.pm.PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 64import static android.content.pm.PackageManager.MATCH_DISABLED_COMPONENTS; 65import static android.content.pm.PackageManager.MATCH_ENCRYPTION_AWARE; 66import static android.content.pm.PackageManager.MATCH_ENCRYPTION_AWARE_AND_UNAWARE; 67import static android.content.pm.PackageManager.MATCH_ENCRYPTION_UNAWARE; 68import static android.content.pm.PackageManager.MATCH_SYSTEM_ONLY; 69import static android.content.pm.PackageManager.MATCH_UNINSTALLED_PACKAGES; 70import static android.content.pm.PackageManager.MOVE_FAILED_DEVICE_ADMIN; 71import static android.content.pm.PackageManager.MOVE_FAILED_DOESNT_EXIST; 72import static android.content.pm.PackageManager.MOVE_FAILED_INTERNAL_ERROR; 73import static android.content.pm.PackageManager.MOVE_FAILED_OPERATION_PENDING; 74import static android.content.pm.PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; 75import static android.content.pm.PackageManager.PERMISSION_DENIED; 76import static android.content.pm.PackageManager.PERMISSION_GRANTED; 77import static android.content.pm.PackageParser.PARSE_IS_PRIVILEGED; 78import static android.content.pm.PackageParser.isApkFile; 79import static android.os.Process.PACKAGE_INFO_GID; 80import static android.os.Process.SYSTEM_UID; 81import static android.os.Trace.TRACE_TAG_PACKAGE_MANAGER; 82import static android.system.OsConstants.O_CREAT; 83import static android.system.OsConstants.O_RDWR; 84 85import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_MANAGED_PROFILE; 86import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_PARENT; 87import static com.android.internal.content.NativeLibraryHelper.LIB64_DIR_NAME; 88import static com.android.internal.content.NativeLibraryHelper.LIB_DIR_NAME; 89import static com.android.internal.util.ArrayUtils.appendInt; 90import static com.android.server.pm.Installer.DEXOPT_PUBLIC; 91import static com.android.server.pm.InstructionSets.getAppDexInstructionSets; 92import static com.android.server.pm.InstructionSets.getDexCodeInstructionSet; 93import static com.android.server.pm.InstructionSets.getDexCodeInstructionSets; 94import static com.android.server.pm.InstructionSets.getPreferredInstructionSet; 95import static com.android.server.pm.InstructionSets.getPrimaryInstructionSet; 96import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_FAILURE; 97import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS; 98import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED; 99 100import android.Manifest; 101import android.annotation.NonNull; 102import android.annotation.Nullable; 103import android.app.ActivityManager; 104import android.app.ActivityManagerNative; 105import android.app.IActivityManager; 106import android.app.admin.DevicePolicyManagerInternal; 107import android.app.admin.IDevicePolicyManager; 108import android.app.backup.IBackupManager; 109import android.content.BroadcastReceiver; 110import android.content.ComponentName; 111import android.content.Context; 112import android.content.IIntentReceiver; 113import android.content.Intent; 114import android.content.IntentFilter; 115import android.content.IntentSender; 116import android.content.IntentSender.SendIntentException; 117import android.content.ServiceConnection; 118import android.content.pm.ActivityInfo; 119import android.content.pm.ApplicationInfo; 120import android.content.pm.AppsQueryHelper; 121import android.content.pm.ComponentInfo; 122import android.content.pm.EphemeralApplicationInfo; 123import android.content.pm.EphemeralResolveInfo; 124import android.content.pm.EphemeralResolveInfo.EphemeralResolveIntentInfo; 125import android.content.pm.FeatureInfo; 126import android.content.pm.IOnPermissionsChangeListener; 127import android.content.pm.IPackageDataObserver; 128import android.content.pm.IPackageDeleteObserver; 129import android.content.pm.IPackageDeleteObserver2; 130import android.content.pm.IPackageInstallObserver2; 131import android.content.pm.IPackageInstaller; 132import android.content.pm.IPackageManager; 133import android.content.pm.IPackageMoveObserver; 134import android.content.pm.IPackageStatsObserver; 135import android.content.pm.InstrumentationInfo; 136import android.content.pm.IntentFilterVerificationInfo; 137import android.content.pm.KeySet; 138import android.content.pm.PackageCleanItem; 139import android.content.pm.PackageInfo; 140import android.content.pm.PackageInfoLite; 141import android.content.pm.PackageInstaller; 142import android.content.pm.PackageManager; 143import android.content.pm.PackageManager.LegacyPackageDeleteObserver; 144import android.content.pm.PackageManagerInternal; 145import android.content.pm.PackageParser; 146import android.content.pm.PackageParser.ActivityIntentInfo; 147import android.content.pm.PackageParser.PackageLite; 148import android.content.pm.PackageParser.PackageParserException; 149import android.content.pm.PackageStats; 150import android.content.pm.PackageUserState; 151import android.content.pm.ParceledListSlice; 152import android.content.pm.PermissionGroupInfo; 153import android.content.pm.PermissionInfo; 154import android.content.pm.ProviderInfo; 155import android.content.pm.ResolveInfo; 156import android.content.pm.ServiceInfo; 157import android.content.pm.Signature; 158import android.content.pm.UserInfo; 159import android.content.pm.VerifierDeviceIdentity; 160import android.content.pm.VerifierInfo; 161import android.content.res.Resources; 162import android.graphics.Bitmap; 163import android.hardware.display.DisplayManager; 164import android.net.Uri; 165import android.os.Binder; 166import android.os.Build; 167import android.os.Bundle; 168import android.os.Debug; 169import android.os.Environment; 170import android.os.Environment.UserEnvironment; 171import android.os.FileUtils; 172import android.os.Handler; 173import android.os.IBinder; 174import android.os.Looper; 175import android.os.Message; 176import android.os.Parcel; 177import android.os.ParcelFileDescriptor; 178import android.os.Process; 179import android.os.RemoteCallbackList; 180import android.os.RemoteException; 181import android.os.ResultReceiver; 182import android.os.SELinux; 183import android.os.ServiceManager; 184import android.os.SystemClock; 185import android.os.SystemProperties; 186import android.os.Trace; 187import android.os.UserHandle; 188import android.os.UserManager; 189import android.os.storage.IMountService; 190import android.os.storage.MountServiceInternal; 191import android.os.storage.StorageEventListener; 192import android.os.storage.StorageManager; 193import android.os.storage.VolumeInfo; 194import android.os.storage.VolumeRecord; 195import android.security.KeyStore; 196import android.security.SystemKeyStore; 197import android.system.ErrnoException; 198import android.system.Os; 199import android.text.TextUtils; 200import android.text.format.DateUtils; 201import android.util.ArrayMap; 202import android.util.ArraySet; 203import android.util.AtomicFile; 204import android.util.DisplayMetrics; 205import android.util.EventLog; 206import android.util.ExceptionUtils; 207import android.util.Log; 208import android.util.LogPrinter; 209import android.util.MathUtils; 210import android.util.PrintStreamPrinter; 211import android.util.Slog; 212import android.util.SparseArray; 213import android.util.SparseBooleanArray; 214import android.util.SparseIntArray; 215import android.util.Xml; 216import android.view.Display; 217 218import com.android.internal.R; 219import com.android.internal.annotations.GuardedBy; 220import com.android.internal.app.IMediaContainerService; 221import com.android.internal.app.ResolverActivity; 222import com.android.internal.content.NativeLibraryHelper; 223import com.android.internal.content.PackageHelper; 224import com.android.internal.os.IParcelFileDescriptorFactory; 225import com.android.internal.os.InstallerConnection.InstallerException; 226import com.android.internal.os.SomeArgs; 227import com.android.internal.os.Zygote; 228import com.android.internal.util.ArrayUtils; 229import com.android.internal.util.FastPrintWriter; 230import com.android.internal.util.FastXmlSerializer; 231import com.android.internal.util.IndentingPrintWriter; 232import com.android.internal.util.Preconditions; 233import com.android.internal.util.XmlUtils; 234import com.android.server.EventLogTags; 235import com.android.server.FgThread; 236import com.android.server.IntentResolver; 237import com.android.server.LocalServices; 238import com.android.server.ServiceThread; 239import com.android.server.SystemConfig; 240import com.android.server.Watchdog; 241import com.android.server.pm.PermissionsState.PermissionState; 242import com.android.server.pm.Settings.DatabaseVersion; 243import com.android.server.pm.Settings.VersionInfo; 244import com.android.server.storage.DeviceStorageMonitorInternal; 245 246import dalvik.system.DexFile; 247import dalvik.system.VMRuntime; 248 249import libcore.io.IoUtils; 250import libcore.util.EmptyArray; 251 252import org.xmlpull.v1.XmlPullParser; 253import org.xmlpull.v1.XmlPullParserException; 254import org.xmlpull.v1.XmlSerializer; 255 256import java.io.BufferedInputStream; 257import java.io.BufferedOutputStream; 258import java.io.BufferedReader; 259import java.io.ByteArrayInputStream; 260import java.io.ByteArrayOutputStream; 261import java.io.File; 262import java.io.FileDescriptor; 263import java.io.FileNotFoundException; 264import java.io.FileOutputStream; 265import java.io.FileReader; 266import java.io.FilenameFilter; 267import java.io.IOException; 268import java.io.InputStream; 269import java.io.PrintWriter; 270import java.nio.charset.StandardCharsets; 271import java.security.MessageDigest; 272import java.security.NoSuchAlgorithmException; 273import java.security.PublicKey; 274import java.security.cert.CertificateEncodingException; 275import java.security.cert.CertificateException; 276import java.text.SimpleDateFormat; 277import java.util.ArrayList; 278import java.util.Arrays; 279import java.util.Collection; 280import java.util.Collections; 281import java.util.Comparator; 282import java.util.Date; 283import java.util.HashSet; 284import java.util.Iterator; 285import java.util.List; 286import java.util.Map; 287import java.util.Objects; 288import java.util.Set; 289import java.util.concurrent.CountDownLatch; 290import java.util.concurrent.TimeUnit; 291import java.util.concurrent.atomic.AtomicBoolean; 292import java.util.concurrent.atomic.AtomicInteger; 293import java.util.concurrent.atomic.AtomicLong; 294 295/** 296 * Keep track of all those .apks everywhere. 297 * 298 * This is very central to the platform's security; please run the unit 299 * tests whenever making modifications here: 300 * 301runtest -c android.content.pm.PackageManagerTests frameworks-core 302 * 303 * {@hide} 304 */ 305public class PackageManagerService extends IPackageManager.Stub { 306 static final String TAG = "PackageManager"; 307 static final boolean DEBUG_SETTINGS = false; 308 static final boolean DEBUG_PREFERRED = false; 309 static final boolean DEBUG_UPGRADE = false; 310 static final boolean DEBUG_DOMAIN_VERIFICATION = false; 311 private static final boolean DEBUG_BACKUP = false; 312 private static final boolean DEBUG_INSTALL = false; 313 private static final boolean DEBUG_REMOVE = false; 314 private static final boolean DEBUG_BROADCASTS = false; 315 private static final boolean DEBUG_SHOW_INFO = false; 316 private static final boolean DEBUG_PACKAGE_INFO = false; 317 private static final boolean DEBUG_INTENT_MATCHING = false; 318 private static final boolean DEBUG_PACKAGE_SCANNING = false; 319 private static final boolean DEBUG_VERIFY = false; 320 321 // Debug output for dexopting. This is shared between PackageManagerService, OtaDexoptService 322 // and PackageDexOptimizer. All these classes have their own flag to allow switching a single 323 // user, but by default initialize to this. 324 static final boolean DEBUG_DEXOPT = false; 325 326 private static final boolean DEBUG_ABI_SELECTION = false; 327 private static final boolean DEBUG_EPHEMERAL = false; 328 private static final boolean DEBUG_TRIAGED_MISSING = false; 329 private static final boolean DEBUG_APP_DATA = false; 330 331 static final boolean CLEAR_RUNTIME_PERMISSIONS_ON_UPGRADE = false; 332 333 private static final boolean DISABLE_EPHEMERAL_APPS = true; 334 335 private static final int RADIO_UID = Process.PHONE_UID; 336 private static final int LOG_UID = Process.LOG_UID; 337 private static final int NFC_UID = Process.NFC_UID; 338 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 339 private static final int SHELL_UID = Process.SHELL_UID; 340 341 // Cap the size of permission trees that 3rd party apps can define 342 private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768; // characters of text 343 344 // Suffix used during package installation when copying/moving 345 // package apks to install directory. 346 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 347 348 static final int SCAN_NO_DEX = 1<<1; 349 static final int SCAN_FORCE_DEX = 1<<2; 350 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 351 static final int SCAN_NEW_INSTALL = 1<<4; 352 static final int SCAN_NO_PATHS = 1<<5; 353 static final int SCAN_UPDATE_TIME = 1<<6; 354 static final int SCAN_DEFER_DEX = 1<<7; 355 static final int SCAN_BOOTING = 1<<8; 356 static final int SCAN_TRUSTED_OVERLAY = 1<<9; 357 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<10; 358 static final int SCAN_REPLACING = 1<<11; 359 static final int SCAN_REQUIRE_KNOWN = 1<<12; 360 static final int SCAN_MOVE = 1<<13; 361 static final int SCAN_INITIAL = 1<<14; 362 static final int SCAN_CHECK_ONLY = 1<<15; 363 static final int SCAN_DONT_KILL_APP = 1<<17; 364 365 static final int REMOVE_CHATTY = 1<<16; 366 367 private static final int[] EMPTY_INT_ARRAY = new int[0]; 368 369 /** 370 * Timeout (in milliseconds) after which the watchdog should declare that 371 * our handler thread is wedged. The usual default for such things is one 372 * minute but we sometimes do very lengthy I/O operations on this thread, 373 * such as installing multi-gigabyte applications, so ours needs to be longer. 374 */ 375 private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 376 377 /** 378 * Wall-clock timeout (in milliseconds) after which we *require* that an fstrim 379 * be run on this device. We use the value in the Settings.Global.MANDATORY_FSTRIM_INTERVAL 380 * settings entry if available, otherwise we use the hardcoded default. If it's been 381 * more than this long since the last fstrim, we force one during the boot sequence. 382 * 383 * This backstops other fstrim scheduling: if the device is alive at midnight+idle, 384 * one gets run at the next available charging+idle time. This final mandatory 385 * no-fstrim check kicks in only of the other scheduling criteria is never met. 386 */ 387 private static final long DEFAULT_MANDATORY_FSTRIM_INTERVAL = 3 * DateUtils.DAY_IN_MILLIS; 388 389 /** 390 * Whether verification is enabled by default. 391 */ 392 private static final boolean DEFAULT_VERIFY_ENABLE = true; 393 394 /** 395 * The default maximum time to wait for the verification agent to return in 396 * milliseconds. 397 */ 398 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 399 400 /** 401 * The default response for package verification timeout. 402 * 403 * This can be either PackageManager.VERIFICATION_ALLOW or 404 * PackageManager.VERIFICATION_REJECT. 405 */ 406 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 407 408 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 409 410 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 411 DEFAULT_CONTAINER_PACKAGE, 412 "com.android.defcontainer.DefaultContainerService"); 413 414 private static final String KILL_APP_REASON_GIDS_CHANGED = 415 "permission grant or revoke changed gids"; 416 417 private static final String KILL_APP_REASON_PERMISSIONS_REVOKED = 418 "permissions revoked"; 419 420 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 421 422 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 423 424 /** Permission grant: not grant the permission. */ 425 private static final int GRANT_DENIED = 1; 426 427 /** Permission grant: grant the permission as an install permission. */ 428 private static final int GRANT_INSTALL = 2; 429 430 /** Permission grant: grant the permission as a runtime one. */ 431 private static final int GRANT_RUNTIME = 3; 432 433 /** Permission grant: grant as runtime a permission that was granted as an install time one. */ 434 private static final int GRANT_UPGRADE = 4; 435 436 /** Canonical intent used to identify what counts as a "web browser" app */ 437 private static final Intent sBrowserIntent; 438 static { 439 sBrowserIntent = new Intent(); 440 sBrowserIntent.setAction(Intent.ACTION_VIEW); 441 sBrowserIntent.addCategory(Intent.CATEGORY_BROWSABLE); 442 sBrowserIntent.setData(Uri.parse("http:")); 443 } 444 445 final ServiceThread mHandlerThread; 446 447 final PackageHandler mHandler; 448 449 /** 450 * Messages for {@link #mHandler} that need to wait for system ready before 451 * being dispatched. 452 */ 453 private ArrayList<Message> mPostSystemReadyMessages; 454 455 final int mSdkVersion = Build.VERSION.SDK_INT; 456 457 final Context mContext; 458 final boolean mFactoryTest; 459 final boolean mOnlyCore; 460 final DisplayMetrics mMetrics; 461 final int mDefParseFlags; 462 final String[] mSeparateProcesses; 463 final boolean mIsUpgrade; 464 465 /** The location for ASEC container files on internal storage. */ 466 final String mAsecInternalPath; 467 468 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 469 // LOCK HELD. Can be called with mInstallLock held. 470 @GuardedBy("mInstallLock") 471 final Installer mInstaller; 472 473 /** Directory where installed third-party apps stored */ 474 final File mAppInstallDir; 475 final File mEphemeralInstallDir; 476 477 /** 478 * Directory to which applications installed internally have their 479 * 32 bit native libraries copied. 480 */ 481 private File mAppLib32InstallDir; 482 483 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 484 // apps. 485 final File mDrmAppPrivateInstallDir; 486 487 // ---------------------------------------------------------------- 488 489 // Lock for state used when installing and doing other long running 490 // operations. Methods that must be called with this lock held have 491 // the suffix "LI". 492 final Object mInstallLock = new Object(); 493 494 // ---------------------------------------------------------------- 495 496 // Keys are String (package name), values are Package. This also serves 497 // as the lock for the global state. Methods that must be called with 498 // this lock held have the prefix "LP". 499 @GuardedBy("mPackages") 500 final ArrayMap<String, PackageParser.Package> mPackages = 501 new ArrayMap<String, PackageParser.Package>(); 502 503 final ArrayMap<String, Set<String>> mKnownCodebase = 504 new ArrayMap<String, Set<String>>(); 505 506 // Tracks available target package names -> overlay package paths. 507 final ArrayMap<String, ArrayMap<String, PackageParser.Package>> mOverlays = 508 new ArrayMap<String, ArrayMap<String, PackageParser.Package>>(); 509 510 /** 511 * Tracks new system packages [received in an OTA] that we expect to 512 * find updated user-installed versions. Keys are package name, values 513 * are package location. 514 */ 515 final private ArrayMap<String, File> mExpectingBetter = new ArrayMap<>(); 516 517 /** 518 * Tracks existing system packages prior to receiving an OTA. Keys are package name. 519 */ 520 final private ArraySet<String> mExistingSystemPackages = new ArraySet<>(); 521 /** 522 * Whether or not system app permissions should be promoted from install to runtime. 523 */ 524 boolean mPromoteSystemApps; 525 526 final Settings mSettings; 527 boolean mRestoredSettings; 528 529 // System configuration read by SystemConfig. 530 final int[] mGlobalGids; 531 final SparseArray<ArraySet<String>> mSystemPermissions; 532 final ArrayMap<String, FeatureInfo> mAvailableFeatures; 533 534 // If mac_permissions.xml was found for seinfo labeling. 535 boolean mFoundPolicyFile; 536 537 private final EphemeralApplicationRegistry mEphemeralApplicationRegistry; 538 539 public static final class SharedLibraryEntry { 540 public final String path; 541 public final String apk; 542 543 SharedLibraryEntry(String _path, String _apk) { 544 path = _path; 545 apk = _apk; 546 } 547 } 548 549 // Currently known shared libraries. 550 final ArrayMap<String, SharedLibraryEntry> mSharedLibraries = 551 new ArrayMap<String, SharedLibraryEntry>(); 552 553 // All available activities, for your resolving pleasure. 554 final ActivityIntentResolver mActivities = 555 new ActivityIntentResolver(); 556 557 // All available receivers, for your resolving pleasure. 558 final ActivityIntentResolver mReceivers = 559 new ActivityIntentResolver(); 560 561 // All available services, for your resolving pleasure. 562 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 563 564 // All available providers, for your resolving pleasure. 565 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 566 567 // Mapping from provider base names (first directory in content URI codePath) 568 // to the provider information. 569 final ArrayMap<String, PackageParser.Provider> mProvidersByAuthority = 570 new ArrayMap<String, PackageParser.Provider>(); 571 572 // Mapping from instrumentation class names to info about them. 573 final ArrayMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 574 new ArrayMap<ComponentName, PackageParser.Instrumentation>(); 575 576 // Mapping from permission names to info about them. 577 final ArrayMap<String, PackageParser.PermissionGroup> mPermissionGroups = 578 new ArrayMap<String, PackageParser.PermissionGroup>(); 579 580 // Packages whose data we have transfered into another package, thus 581 // should no longer exist. 582 final ArraySet<String> mTransferedPackages = new ArraySet<String>(); 583 584 // Broadcast actions that are only available to the system. 585 final ArraySet<String> mProtectedBroadcasts = new ArraySet<String>(); 586 587 /** List of packages waiting for verification. */ 588 final SparseArray<PackageVerificationState> mPendingVerification 589 = new SparseArray<PackageVerificationState>(); 590 591 /** Set of packages associated with each app op permission. */ 592 final ArrayMap<String, ArraySet<String>> mAppOpPermissionPackages = new ArrayMap<>(); 593 594 final PackageInstallerService mInstallerService; 595 596 private final PackageDexOptimizer mPackageDexOptimizer; 597 598 private AtomicInteger mNextMoveId = new AtomicInteger(); 599 private final MoveCallbacks mMoveCallbacks; 600 601 private final OnPermissionChangeListeners mOnPermissionChangeListeners; 602 603 // Cache of users who need badging. 604 SparseBooleanArray mUserNeedsBadging = new SparseBooleanArray(); 605 606 /** Token for keys in mPendingVerification. */ 607 private int mPendingVerificationToken = 0; 608 609 volatile boolean mSystemReady; 610 volatile boolean mSafeMode; 611 volatile boolean mHasSystemUidErrors; 612 613 ApplicationInfo mAndroidApplication; 614 final ActivityInfo mResolveActivity = new ActivityInfo(); 615 final ResolveInfo mResolveInfo = new ResolveInfo(); 616 ComponentName mResolveComponentName; 617 PackageParser.Package mPlatformPackage; 618 ComponentName mCustomResolverComponentName; 619 620 boolean mResolverReplaced = false; 621 622 private final @Nullable ComponentName mIntentFilterVerifierComponent; 623 private final @Nullable IntentFilterVerifier<ActivityIntentInfo> mIntentFilterVerifier; 624 625 private int mIntentFilterVerificationToken = 0; 626 627 /** Component that knows whether or not an ephemeral application exists */ 628 final ComponentName mEphemeralResolverComponent; 629 /** The service connection to the ephemeral resolver */ 630 final EphemeralResolverConnection mEphemeralResolverConnection; 631 632 /** Component used to install ephemeral applications */ 633 final ComponentName mEphemeralInstallerComponent; 634 final ActivityInfo mEphemeralInstallerActivity = new ActivityInfo(); 635 final ResolveInfo mEphemeralInstallerInfo = new ResolveInfo(); 636 637 final SparseArray<IntentFilterVerificationState> mIntentFilterVerificationStates 638 = new SparseArray<IntentFilterVerificationState>(); 639 640 final DefaultPermissionGrantPolicy mDefaultPermissionPolicy = 641 new DefaultPermissionGrantPolicy(this); 642 643 // List of packages names to keep cached, even if they are uninstalled for all users 644 private List<String> mKeepUninstalledPackages; 645 646 private static class IFVerificationParams { 647 PackageParser.Package pkg; 648 boolean replacing; 649 int userId; 650 int verifierUid; 651 652 public IFVerificationParams(PackageParser.Package _pkg, boolean _replacing, 653 int _userId, int _verifierUid) { 654 pkg = _pkg; 655 replacing = _replacing; 656 userId = _userId; 657 replacing = _replacing; 658 verifierUid = _verifierUid; 659 } 660 } 661 662 private interface IntentFilterVerifier<T extends IntentFilter> { 663 boolean addOneIntentFilterVerification(int verifierId, int userId, int verificationId, 664 T filter, String packageName); 665 void startVerifications(int userId); 666 void receiveVerificationResponse(int verificationId); 667 } 668 669 private class IntentVerifierProxy implements IntentFilterVerifier<ActivityIntentInfo> { 670 private Context mContext; 671 private ComponentName mIntentFilterVerifierComponent; 672 private ArrayList<Integer> mCurrentIntentFilterVerifications = new ArrayList<Integer>(); 673 674 public IntentVerifierProxy(Context context, ComponentName verifierComponent) { 675 mContext = context; 676 mIntentFilterVerifierComponent = verifierComponent; 677 } 678 679 private String getDefaultScheme() { 680 return IntentFilter.SCHEME_HTTPS; 681 } 682 683 @Override 684 public void startVerifications(int userId) { 685 // Launch verifications requests 686 int count = mCurrentIntentFilterVerifications.size(); 687 for (int n=0; n<count; n++) { 688 int verificationId = mCurrentIntentFilterVerifications.get(n); 689 final IntentFilterVerificationState ivs = 690 mIntentFilterVerificationStates.get(verificationId); 691 692 String packageName = ivs.getPackageName(); 693 694 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 695 final int filterCount = filters.size(); 696 ArraySet<String> domainsSet = new ArraySet<>(); 697 for (int m=0; m<filterCount; m++) { 698 PackageParser.ActivityIntentInfo filter = filters.get(m); 699 domainsSet.addAll(filter.getHostsList()); 700 } 701 ArrayList<String> domainsList = new ArrayList<>(domainsSet); 702 synchronized (mPackages) { 703 if (mSettings.createIntentFilterVerificationIfNeededLPw( 704 packageName, domainsList) != null) { 705 scheduleWriteSettingsLocked(); 706 } 707 } 708 sendVerificationRequest(userId, verificationId, ivs); 709 } 710 mCurrentIntentFilterVerifications.clear(); 711 } 712 713 private void sendVerificationRequest(int userId, int verificationId, 714 IntentFilterVerificationState ivs) { 715 716 Intent verificationIntent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 717 verificationIntent.putExtra( 718 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_ID, 719 verificationId); 720 verificationIntent.putExtra( 721 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_URI_SCHEME, 722 getDefaultScheme()); 723 verificationIntent.putExtra( 724 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_HOSTS, 725 ivs.getHostsString()); 726 verificationIntent.putExtra( 727 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_PACKAGE_NAME, 728 ivs.getPackageName()); 729 verificationIntent.setComponent(mIntentFilterVerifierComponent); 730 verificationIntent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 731 732 UserHandle user = new UserHandle(userId); 733 mContext.sendBroadcastAsUser(verificationIntent, user); 734 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 735 "Sending IntentFilter verification broadcast"); 736 } 737 738 public void receiveVerificationResponse(int verificationId) { 739 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 740 741 final boolean verified = ivs.isVerified(); 742 743 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 744 final int count = filters.size(); 745 if (DEBUG_DOMAIN_VERIFICATION) { 746 Slog.i(TAG, "Received verification response " + verificationId 747 + " for " + count + " filters, verified=" + verified); 748 } 749 for (int n=0; n<count; n++) { 750 PackageParser.ActivityIntentInfo filter = filters.get(n); 751 filter.setVerified(verified); 752 753 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "IntentFilter " + filter.toString() 754 + " verified with result:" + verified + " and hosts:" 755 + ivs.getHostsString()); 756 } 757 758 mIntentFilterVerificationStates.remove(verificationId); 759 760 final String packageName = ivs.getPackageName(); 761 IntentFilterVerificationInfo ivi = null; 762 763 synchronized (mPackages) { 764 ivi = mSettings.getIntentFilterVerificationLPr(packageName); 765 } 766 if (ivi == null) { 767 Slog.w(TAG, "IntentFilterVerificationInfo not found for verificationId:" 768 + verificationId + " packageName:" + packageName); 769 return; 770 } 771 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 772 "Updating IntentFilterVerificationInfo for package " + packageName 773 +" verificationId:" + verificationId); 774 775 synchronized (mPackages) { 776 if (verified) { 777 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS); 778 } else { 779 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK); 780 } 781 scheduleWriteSettingsLocked(); 782 783 final int userId = ivs.getUserId(); 784 if (userId != UserHandle.USER_ALL) { 785 final int userStatus = 786 mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 787 788 int updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 789 boolean needUpdate = false; 790 791 // We cannot override the STATUS_ALWAYS / STATUS_NEVER states if they have 792 // already been set by the User thru the Disambiguation dialog 793 switch (userStatus) { 794 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 795 if (verified) { 796 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 797 } else { 798 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 799 } 800 needUpdate = true; 801 break; 802 803 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 804 if (verified) { 805 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 806 needUpdate = true; 807 } 808 break; 809 810 default: 811 // Nothing to do 812 } 813 814 if (needUpdate) { 815 mSettings.updateIntentFilterVerificationStatusLPw( 816 packageName, updatedStatus, userId); 817 scheduleWritePackageRestrictionsLocked(userId); 818 } 819 } 820 } 821 } 822 823 @Override 824 public boolean addOneIntentFilterVerification(int verifierUid, int userId, int verificationId, 825 ActivityIntentInfo filter, String packageName) { 826 if (!hasValidDomains(filter)) { 827 return false; 828 } 829 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 830 if (ivs == null) { 831 ivs = createDomainVerificationState(verifierUid, userId, verificationId, 832 packageName); 833 } 834 if (DEBUG_DOMAIN_VERIFICATION) { 835 Slog.d(TAG, "Adding verification filter for " + packageName + ": " + filter); 836 } 837 ivs.addFilter(filter); 838 return true; 839 } 840 841 private IntentFilterVerificationState createDomainVerificationState(int verifierUid, 842 int userId, int verificationId, String packageName) { 843 IntentFilterVerificationState ivs = new IntentFilterVerificationState( 844 verifierUid, userId, packageName); 845 ivs.setPendingState(); 846 synchronized (mPackages) { 847 mIntentFilterVerificationStates.append(verificationId, ivs); 848 mCurrentIntentFilterVerifications.add(verificationId); 849 } 850 return ivs; 851 } 852 } 853 854 private static boolean hasValidDomains(ActivityIntentInfo filter) { 855 return filter.hasCategory(Intent.CATEGORY_BROWSABLE) 856 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 857 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS)); 858 } 859 860 // Set of pending broadcasts for aggregating enable/disable of components. 861 static class PendingPackageBroadcasts { 862 // for each user id, a map of <package name -> components within that package> 863 final SparseArray<ArrayMap<String, ArrayList<String>>> mUidMap; 864 865 public PendingPackageBroadcasts() { 866 mUidMap = new SparseArray<ArrayMap<String, ArrayList<String>>>(2); 867 } 868 869 public ArrayList<String> get(int userId, String packageName) { 870 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 871 return packages.get(packageName); 872 } 873 874 public void put(int userId, String packageName, ArrayList<String> components) { 875 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 876 packages.put(packageName, components); 877 } 878 879 public void remove(int userId, String packageName) { 880 ArrayMap<String, ArrayList<String>> packages = mUidMap.get(userId); 881 if (packages != null) { 882 packages.remove(packageName); 883 } 884 } 885 886 public void remove(int userId) { 887 mUidMap.remove(userId); 888 } 889 890 public int userIdCount() { 891 return mUidMap.size(); 892 } 893 894 public int userIdAt(int n) { 895 return mUidMap.keyAt(n); 896 } 897 898 public ArrayMap<String, ArrayList<String>> packagesForUserId(int userId) { 899 return mUidMap.get(userId); 900 } 901 902 public int size() { 903 // total number of pending broadcast entries across all userIds 904 int num = 0; 905 for (int i = 0; i< mUidMap.size(); i++) { 906 num += mUidMap.valueAt(i).size(); 907 } 908 return num; 909 } 910 911 public void clear() { 912 mUidMap.clear(); 913 } 914 915 private ArrayMap<String, ArrayList<String>> getOrAllocate(int userId) { 916 ArrayMap<String, ArrayList<String>> map = mUidMap.get(userId); 917 if (map == null) { 918 map = new ArrayMap<String, ArrayList<String>>(); 919 mUidMap.put(userId, map); 920 } 921 return map; 922 } 923 } 924 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 925 926 // Service Connection to remote media container service to copy 927 // package uri's from external media onto secure containers 928 // or internal storage. 929 private IMediaContainerService mContainerService = null; 930 931 static final int SEND_PENDING_BROADCAST = 1; 932 static final int MCS_BOUND = 3; 933 static final int END_COPY = 4; 934 static final int INIT_COPY = 5; 935 static final int MCS_UNBIND = 6; 936 static final int START_CLEANING_PACKAGE = 7; 937 static final int FIND_INSTALL_LOC = 8; 938 static final int POST_INSTALL = 9; 939 static final int MCS_RECONNECT = 10; 940 static final int MCS_GIVE_UP = 11; 941 static final int UPDATED_MEDIA_STATUS = 12; 942 static final int WRITE_SETTINGS = 13; 943 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 944 static final int PACKAGE_VERIFIED = 15; 945 static final int CHECK_PENDING_VERIFICATION = 16; 946 static final int START_INTENT_FILTER_VERIFICATIONS = 17; 947 static final int INTENT_FILTER_VERIFIED = 18; 948 949 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 950 951 // Delay time in millisecs 952 static final int BROADCAST_DELAY = 10 * 1000; 953 954 static UserManagerService sUserManager; 955 956 // Stores a list of users whose package restrictions file needs to be updated 957 private ArraySet<Integer> mDirtyUsers = new ArraySet<Integer>(); 958 959 final private DefaultContainerConnection mDefContainerConn = 960 new DefaultContainerConnection(); 961 class DefaultContainerConnection implements ServiceConnection { 962 public void onServiceConnected(ComponentName name, IBinder service) { 963 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 964 IMediaContainerService imcs = 965 IMediaContainerService.Stub.asInterface(service); 966 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 967 } 968 969 public void onServiceDisconnected(ComponentName name) { 970 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 971 } 972 } 973 974 // Recordkeeping of restore-after-install operations that are currently in flight 975 // between the Package Manager and the Backup Manager 976 static class PostInstallData { 977 public InstallArgs args; 978 public PackageInstalledInfo res; 979 980 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 981 args = _a; 982 res = _r; 983 } 984 } 985 986 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 987 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 988 989 // XML tags for backup/restore of various bits of state 990 private static final String TAG_PREFERRED_BACKUP = "pa"; 991 private static final String TAG_DEFAULT_APPS = "da"; 992 private static final String TAG_INTENT_FILTER_VERIFICATION = "iv"; 993 994 private static final String TAG_PERMISSION_BACKUP = "perm-grant-backup"; 995 private static final String TAG_ALL_GRANTS = "rt-grants"; 996 private static final String TAG_GRANT = "grant"; 997 private static final String ATTR_PACKAGE_NAME = "pkg"; 998 999 private static final String TAG_PERMISSION = "perm"; 1000 private static final String ATTR_PERMISSION_NAME = "name"; 1001 private static final String ATTR_IS_GRANTED = "g"; 1002 private static final String ATTR_USER_SET = "set"; 1003 private static final String ATTR_USER_FIXED = "fixed"; 1004 private static final String ATTR_REVOKE_ON_UPGRADE = "rou"; 1005 1006 // System/policy permission grants are not backed up 1007 private static final int SYSTEM_RUNTIME_GRANT_MASK = 1008 FLAG_PERMISSION_POLICY_FIXED 1009 | FLAG_PERMISSION_SYSTEM_FIXED 1010 | FLAG_PERMISSION_GRANTED_BY_DEFAULT; 1011 1012 // And we back up these user-adjusted states 1013 private static final int USER_RUNTIME_GRANT_MASK = 1014 FLAG_PERMISSION_USER_SET 1015 | FLAG_PERMISSION_USER_FIXED 1016 | FLAG_PERMISSION_REVOKE_ON_UPGRADE; 1017 1018 final @Nullable String mRequiredVerifierPackage; 1019 final @Nullable String mRequiredInstallerPackage; 1020 1021 private final PackageUsage mPackageUsage = new PackageUsage(); 1022 1023 private class PackageUsage { 1024 private static final int WRITE_INTERVAL 1025 = (DEBUG_DEXOPT) ? 0 : 30*60*1000; // 30m in ms 1026 1027 private final Object mFileLock = new Object(); 1028 private final AtomicLong mLastWritten = new AtomicLong(0); 1029 private final AtomicBoolean mBackgroundWriteRunning = new AtomicBoolean(false); 1030 1031 private boolean mIsHistoricalPackageUsageAvailable = true; 1032 1033 boolean isHistoricalPackageUsageAvailable() { 1034 return mIsHistoricalPackageUsageAvailable; 1035 } 1036 1037 void write(boolean force) { 1038 if (force) { 1039 writeInternal(); 1040 return; 1041 } 1042 if (SystemClock.elapsedRealtime() - mLastWritten.get() < WRITE_INTERVAL 1043 && !DEBUG_DEXOPT) { 1044 return; 1045 } 1046 if (mBackgroundWriteRunning.compareAndSet(false, true)) { 1047 new Thread("PackageUsage_DiskWriter") { 1048 @Override 1049 public void run() { 1050 try { 1051 writeInternal(); 1052 } finally { 1053 mBackgroundWriteRunning.set(false); 1054 } 1055 } 1056 }.start(); 1057 } 1058 } 1059 1060 private void writeInternal() { 1061 synchronized (mPackages) { 1062 synchronized (mFileLock) { 1063 AtomicFile file = getFile(); 1064 FileOutputStream f = null; 1065 try { 1066 f = file.startWrite(); 1067 BufferedOutputStream out = new BufferedOutputStream(f); 1068 FileUtils.setPermissions(file.getBaseFile().getPath(), 0640, SYSTEM_UID, PACKAGE_INFO_GID); 1069 StringBuilder sb = new StringBuilder(); 1070 for (PackageParser.Package pkg : mPackages.values()) { 1071 if (pkg.mLastPackageUsageTimeInMills == 0) { 1072 continue; 1073 } 1074 sb.setLength(0); 1075 sb.append(pkg.packageName); 1076 sb.append(' '); 1077 sb.append((long)pkg.mLastPackageUsageTimeInMills); 1078 sb.append('\n'); 1079 out.write(sb.toString().getBytes(StandardCharsets.US_ASCII)); 1080 } 1081 out.flush(); 1082 file.finishWrite(f); 1083 } catch (IOException e) { 1084 if (f != null) { 1085 file.failWrite(f); 1086 } 1087 Log.e(TAG, "Failed to write package usage times", e); 1088 } 1089 } 1090 } 1091 mLastWritten.set(SystemClock.elapsedRealtime()); 1092 } 1093 1094 void readLP() { 1095 synchronized (mFileLock) { 1096 AtomicFile file = getFile(); 1097 BufferedInputStream in = null; 1098 try { 1099 in = new BufferedInputStream(file.openRead()); 1100 StringBuffer sb = new StringBuffer(); 1101 while (true) { 1102 String packageName = readToken(in, sb, ' '); 1103 if (packageName == null) { 1104 break; 1105 } 1106 String timeInMillisString = readToken(in, sb, '\n'); 1107 if (timeInMillisString == null) { 1108 throw new IOException("Failed to find last usage time for package " 1109 + packageName); 1110 } 1111 PackageParser.Package pkg = mPackages.get(packageName); 1112 if (pkg == null) { 1113 continue; 1114 } 1115 long timeInMillis; 1116 try { 1117 timeInMillis = Long.parseLong(timeInMillisString); 1118 } catch (NumberFormatException e) { 1119 throw new IOException("Failed to parse " + timeInMillisString 1120 + " as a long.", e); 1121 } 1122 pkg.mLastPackageUsageTimeInMills = timeInMillis; 1123 } 1124 } catch (FileNotFoundException expected) { 1125 mIsHistoricalPackageUsageAvailable = false; 1126 } catch (IOException e) { 1127 Log.w(TAG, "Failed to read package usage times", e); 1128 } finally { 1129 IoUtils.closeQuietly(in); 1130 } 1131 } 1132 mLastWritten.set(SystemClock.elapsedRealtime()); 1133 } 1134 1135 private String readToken(InputStream in, StringBuffer sb, char endOfToken) 1136 throws IOException { 1137 sb.setLength(0); 1138 while (true) { 1139 int ch = in.read(); 1140 if (ch == -1) { 1141 if (sb.length() == 0) { 1142 return null; 1143 } 1144 throw new IOException("Unexpected EOF"); 1145 } 1146 if (ch == endOfToken) { 1147 return sb.toString(); 1148 } 1149 sb.append((char)ch); 1150 } 1151 } 1152 1153 private AtomicFile getFile() { 1154 File dataDir = Environment.getDataDirectory(); 1155 File systemDir = new File(dataDir, "system"); 1156 File fname = new File(systemDir, "package-usage.list"); 1157 return new AtomicFile(fname); 1158 } 1159 } 1160 1161 class PackageHandler extends Handler { 1162 private boolean mBound = false; 1163 final ArrayList<HandlerParams> mPendingInstalls = 1164 new ArrayList<HandlerParams>(); 1165 1166 private boolean connectToService() { 1167 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 1168 " DefaultContainerService"); 1169 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 1170 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1171 if (mContext.bindServiceAsUser(service, mDefContainerConn, 1172 Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 1173 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1174 mBound = true; 1175 return true; 1176 } 1177 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1178 return false; 1179 } 1180 1181 private void disconnectService() { 1182 mContainerService = null; 1183 mBound = false; 1184 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1185 mContext.unbindService(mDefContainerConn); 1186 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1187 } 1188 1189 PackageHandler(Looper looper) { 1190 super(looper); 1191 } 1192 1193 public void handleMessage(Message msg) { 1194 try { 1195 doHandleMessage(msg); 1196 } finally { 1197 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1198 } 1199 } 1200 1201 void doHandleMessage(Message msg) { 1202 switch (msg.what) { 1203 case INIT_COPY: { 1204 HandlerParams params = (HandlerParams) msg.obj; 1205 int idx = mPendingInstalls.size(); 1206 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 1207 // If a bind was already initiated we dont really 1208 // need to do anything. The pending install 1209 // will be processed later on. 1210 if (!mBound) { 1211 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1212 System.identityHashCode(mHandler)); 1213 // If this is the only one pending we might 1214 // have to bind to the service again. 1215 if (!connectToService()) { 1216 Slog.e(TAG, "Failed to bind to media container service"); 1217 params.serviceError(); 1218 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1219 System.identityHashCode(mHandler)); 1220 if (params.traceMethod != null) { 1221 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, params.traceMethod, 1222 params.traceCookie); 1223 } 1224 return; 1225 } else { 1226 // Once we bind to the service, the first 1227 // pending request will be processed. 1228 mPendingInstalls.add(idx, params); 1229 } 1230 } else { 1231 mPendingInstalls.add(idx, params); 1232 // Already bound to the service. Just make 1233 // sure we trigger off processing the first request. 1234 if (idx == 0) { 1235 mHandler.sendEmptyMessage(MCS_BOUND); 1236 } 1237 } 1238 break; 1239 } 1240 case MCS_BOUND: { 1241 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 1242 if (msg.obj != null) { 1243 mContainerService = (IMediaContainerService) msg.obj; 1244 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1245 System.identityHashCode(mHandler)); 1246 } 1247 if (mContainerService == null) { 1248 if (!mBound) { 1249 // Something seriously wrong since we are not bound and we are not 1250 // waiting for connection. Bail out. 1251 Slog.e(TAG, "Cannot bind to media container service"); 1252 for (HandlerParams params : mPendingInstalls) { 1253 // Indicate service bind error 1254 params.serviceError(); 1255 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1256 System.identityHashCode(params)); 1257 if (params.traceMethod != null) { 1258 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, 1259 params.traceMethod, params.traceCookie); 1260 } 1261 return; 1262 } 1263 mPendingInstalls.clear(); 1264 } else { 1265 Slog.w(TAG, "Waiting to connect to media container service"); 1266 } 1267 } else if (mPendingInstalls.size() > 0) { 1268 HandlerParams params = mPendingInstalls.get(0); 1269 if (params != null) { 1270 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1271 System.identityHashCode(params)); 1272 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "startCopy"); 1273 if (params.startCopy()) { 1274 // We are done... look for more work or to 1275 // go idle. 1276 if (DEBUG_SD_INSTALL) Log.i(TAG, 1277 "Checking for more work or unbind..."); 1278 // Delete pending install 1279 if (mPendingInstalls.size() > 0) { 1280 mPendingInstalls.remove(0); 1281 } 1282 if (mPendingInstalls.size() == 0) { 1283 if (mBound) { 1284 if (DEBUG_SD_INSTALL) Log.i(TAG, 1285 "Posting delayed MCS_UNBIND"); 1286 removeMessages(MCS_UNBIND); 1287 Message ubmsg = obtainMessage(MCS_UNBIND); 1288 // Unbind after a little delay, to avoid 1289 // continual thrashing. 1290 sendMessageDelayed(ubmsg, 10000); 1291 } 1292 } else { 1293 // There are more pending requests in queue. 1294 // Just post MCS_BOUND message to trigger processing 1295 // of next pending install. 1296 if (DEBUG_SD_INSTALL) Log.i(TAG, 1297 "Posting MCS_BOUND for next work"); 1298 mHandler.sendEmptyMessage(MCS_BOUND); 1299 } 1300 } 1301 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 1302 } 1303 } else { 1304 // Should never happen ideally. 1305 Slog.w(TAG, "Empty queue"); 1306 } 1307 break; 1308 } 1309 case MCS_RECONNECT: { 1310 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 1311 if (mPendingInstalls.size() > 0) { 1312 if (mBound) { 1313 disconnectService(); 1314 } 1315 if (!connectToService()) { 1316 Slog.e(TAG, "Failed to bind to media container service"); 1317 for (HandlerParams params : mPendingInstalls) { 1318 // Indicate service bind error 1319 params.serviceError(); 1320 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1321 System.identityHashCode(params)); 1322 } 1323 mPendingInstalls.clear(); 1324 } 1325 } 1326 break; 1327 } 1328 case MCS_UNBIND: { 1329 // If there is no actual work left, then time to unbind. 1330 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 1331 1332 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 1333 if (mBound) { 1334 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 1335 1336 disconnectService(); 1337 } 1338 } else if (mPendingInstalls.size() > 0) { 1339 // There are more pending requests in queue. 1340 // Just post MCS_BOUND message to trigger processing 1341 // of next pending install. 1342 mHandler.sendEmptyMessage(MCS_BOUND); 1343 } 1344 1345 break; 1346 } 1347 case MCS_GIVE_UP: { 1348 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 1349 HandlerParams params = mPendingInstalls.remove(0); 1350 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1351 System.identityHashCode(params)); 1352 break; 1353 } 1354 case SEND_PENDING_BROADCAST: { 1355 String packages[]; 1356 ArrayList<String> components[]; 1357 int size = 0; 1358 int uids[]; 1359 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1360 synchronized (mPackages) { 1361 if (mPendingBroadcasts == null) { 1362 return; 1363 } 1364 size = mPendingBroadcasts.size(); 1365 if (size <= 0) { 1366 // Nothing to be done. Just return 1367 return; 1368 } 1369 packages = new String[size]; 1370 components = new ArrayList[size]; 1371 uids = new int[size]; 1372 int i = 0; // filling out the above arrays 1373 1374 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 1375 int packageUserId = mPendingBroadcasts.userIdAt(n); 1376 Iterator<Map.Entry<String, ArrayList<String>>> it 1377 = mPendingBroadcasts.packagesForUserId(packageUserId) 1378 .entrySet().iterator(); 1379 while (it.hasNext() && i < size) { 1380 Map.Entry<String, ArrayList<String>> ent = it.next(); 1381 packages[i] = ent.getKey(); 1382 components[i] = ent.getValue(); 1383 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 1384 uids[i] = (ps != null) 1385 ? UserHandle.getUid(packageUserId, ps.appId) 1386 : -1; 1387 i++; 1388 } 1389 } 1390 size = i; 1391 mPendingBroadcasts.clear(); 1392 } 1393 // Send broadcasts 1394 for (int i = 0; i < size; i++) { 1395 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 1396 } 1397 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1398 break; 1399 } 1400 case START_CLEANING_PACKAGE: { 1401 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1402 final String packageName = (String)msg.obj; 1403 final int userId = msg.arg1; 1404 final boolean andCode = msg.arg2 != 0; 1405 synchronized (mPackages) { 1406 if (userId == UserHandle.USER_ALL) { 1407 int[] users = sUserManager.getUserIds(); 1408 for (int user : users) { 1409 mSettings.addPackageToCleanLPw( 1410 new PackageCleanItem(user, packageName, andCode)); 1411 } 1412 } else { 1413 mSettings.addPackageToCleanLPw( 1414 new PackageCleanItem(userId, packageName, andCode)); 1415 } 1416 } 1417 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1418 startCleaningPackages(); 1419 } break; 1420 case POST_INSTALL: { 1421 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 1422 1423 PostInstallData data = mRunningInstalls.get(msg.arg1); 1424 mRunningInstalls.delete(msg.arg1); 1425 1426 if (data != null) { 1427 InstallArgs args = data.args; 1428 PackageInstalledInfo parentRes = data.res; 1429 1430 final boolean grantPermissions = (args.installFlags 1431 & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0; 1432 final boolean killApp = (args.installFlags 1433 & PackageManager.INSTALL_DONT_KILL_APP) == 0; 1434 final String[] grantedPermissions = args.installGrantPermissions; 1435 1436 // Handle the parent package 1437 handlePackagePostInstall(parentRes, grantPermissions, killApp, 1438 grantedPermissions, args.observer); 1439 1440 // Handle the child packages 1441 final int childCount = (parentRes.addedChildPackages != null) 1442 ? parentRes.addedChildPackages.size() : 0; 1443 for (int i = 0; i < childCount; i++) { 1444 PackageInstalledInfo childRes = parentRes.addedChildPackages.valueAt(i); 1445 handlePackagePostInstall(childRes, grantPermissions, killApp, 1446 grantedPermissions, args.observer); 1447 } 1448 1449 // Log tracing if needed 1450 if (args.traceMethod != null) { 1451 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, args.traceMethod, 1452 args.traceCookie); 1453 } 1454 } else { 1455 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1456 } 1457 1458 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "postInstall", msg.arg1); 1459 } break; 1460 case UPDATED_MEDIA_STATUS: { 1461 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1462 boolean reportStatus = msg.arg1 == 1; 1463 boolean doGc = msg.arg2 == 1; 1464 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1465 if (doGc) { 1466 // Force a gc to clear up stale containers. 1467 Runtime.getRuntime().gc(); 1468 } 1469 if (msg.obj != null) { 1470 @SuppressWarnings("unchecked") 1471 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1472 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1473 // Unload containers 1474 unloadAllContainers(args); 1475 } 1476 if (reportStatus) { 1477 try { 1478 if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); 1479 PackageHelper.getMountService().finishMediaUpdate(); 1480 } catch (RemoteException e) { 1481 Log.e(TAG, "MountService not running?"); 1482 } 1483 } 1484 } break; 1485 case WRITE_SETTINGS: { 1486 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1487 synchronized (mPackages) { 1488 removeMessages(WRITE_SETTINGS); 1489 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1490 mSettings.writeLPr(); 1491 mDirtyUsers.clear(); 1492 } 1493 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1494 } break; 1495 case WRITE_PACKAGE_RESTRICTIONS: { 1496 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1497 synchronized (mPackages) { 1498 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1499 for (int userId : mDirtyUsers) { 1500 mSettings.writePackageRestrictionsLPr(userId); 1501 } 1502 mDirtyUsers.clear(); 1503 } 1504 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1505 } break; 1506 case CHECK_PENDING_VERIFICATION: { 1507 final int verificationId = msg.arg1; 1508 final PackageVerificationState state = mPendingVerification.get(verificationId); 1509 1510 if ((state != null) && !state.timeoutExtended()) { 1511 final InstallArgs args = state.getInstallArgs(); 1512 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1513 1514 Slog.i(TAG, "Verification timed out for " + originUri); 1515 mPendingVerification.remove(verificationId); 1516 1517 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1518 1519 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1520 Slog.i(TAG, "Continuing with installation of " + originUri); 1521 state.setVerifierResponse(Binder.getCallingUid(), 1522 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1523 broadcastPackageVerified(verificationId, originUri, 1524 PackageManager.VERIFICATION_ALLOW, 1525 state.getInstallArgs().getUser()); 1526 try { 1527 ret = args.copyApk(mContainerService, true); 1528 } catch (RemoteException e) { 1529 Slog.e(TAG, "Could not contact the ContainerService"); 1530 } 1531 } else { 1532 broadcastPackageVerified(verificationId, originUri, 1533 PackageManager.VERIFICATION_REJECT, 1534 state.getInstallArgs().getUser()); 1535 } 1536 1537 Trace.asyncTraceEnd( 1538 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1539 1540 processPendingInstall(args, ret); 1541 mHandler.sendEmptyMessage(MCS_UNBIND); 1542 } 1543 break; 1544 } 1545 case PACKAGE_VERIFIED: { 1546 final int verificationId = msg.arg1; 1547 1548 final PackageVerificationState state = mPendingVerification.get(verificationId); 1549 if (state == null) { 1550 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1551 break; 1552 } 1553 1554 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1555 1556 state.setVerifierResponse(response.callerUid, response.code); 1557 1558 if (state.isVerificationComplete()) { 1559 mPendingVerification.remove(verificationId); 1560 1561 final InstallArgs args = state.getInstallArgs(); 1562 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1563 1564 int ret; 1565 if (state.isInstallAllowed()) { 1566 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1567 broadcastPackageVerified(verificationId, originUri, 1568 response.code, state.getInstallArgs().getUser()); 1569 try { 1570 ret = args.copyApk(mContainerService, true); 1571 } catch (RemoteException e) { 1572 Slog.e(TAG, "Could not contact the ContainerService"); 1573 } 1574 } else { 1575 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1576 } 1577 1578 Trace.asyncTraceEnd( 1579 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1580 1581 processPendingInstall(args, ret); 1582 mHandler.sendEmptyMessage(MCS_UNBIND); 1583 } 1584 1585 break; 1586 } 1587 case START_INTENT_FILTER_VERIFICATIONS: { 1588 IFVerificationParams params = (IFVerificationParams) msg.obj; 1589 verifyIntentFiltersIfNeeded(params.userId, params.verifierUid, 1590 params.replacing, params.pkg); 1591 break; 1592 } 1593 case INTENT_FILTER_VERIFIED: { 1594 final int verificationId = msg.arg1; 1595 1596 final IntentFilterVerificationState state = mIntentFilterVerificationStates.get( 1597 verificationId); 1598 if (state == null) { 1599 Slog.w(TAG, "Invalid IntentFilter verification token " 1600 + verificationId + " received"); 1601 break; 1602 } 1603 1604 final int userId = state.getUserId(); 1605 1606 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1607 "Processing IntentFilter verification with token:" 1608 + verificationId + " and userId:" + userId); 1609 1610 final IntentFilterVerificationResponse response = 1611 (IntentFilterVerificationResponse) msg.obj; 1612 1613 state.setVerifierResponse(response.callerUid, response.code); 1614 1615 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1616 "IntentFilter verification with token:" + verificationId 1617 + " and userId:" + userId 1618 + " is settings verifier response with response code:" 1619 + response.code); 1620 1621 if (response.code == PackageManager.INTENT_FILTER_VERIFICATION_FAILURE) { 1622 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Domains failing verification: " 1623 + response.getFailedDomainsString()); 1624 } 1625 1626 if (state.isVerificationComplete()) { 1627 mIntentFilterVerifier.receiveVerificationResponse(verificationId); 1628 } else { 1629 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1630 "IntentFilter verification with token:" + verificationId 1631 + " was not said to be complete"); 1632 } 1633 1634 break; 1635 } 1636 } 1637 } 1638 } 1639 1640 private void handlePackagePostInstall(PackageInstalledInfo res, boolean grantPermissions, 1641 boolean killApp, String[] grantedPermissions, 1642 IPackageInstallObserver2 installObserver) { 1643 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 1644 // Send the removed broadcasts 1645 if (res.removedInfo != null) { 1646 res.removedInfo.sendPackageRemovedBroadcasts(killApp); 1647 } 1648 1649 // Now that we successfully installed the package, grant runtime 1650 // permissions if requested before broadcasting the install. 1651 if (grantPermissions && res.pkg.applicationInfo.targetSdkVersion 1652 >= Build.VERSION_CODES.M) { 1653 grantRequestedRuntimePermissions(res.pkg, res.newUsers, grantedPermissions); 1654 } 1655 1656 final boolean update = res.removedInfo != null 1657 && res.removedInfo.removedPackage != null; 1658 1659 // If this is the first time we have child packages for a disabled privileged 1660 // app that had no children, we grant requested runtime permissions to the new 1661 // children if the parent on the system image had them already granted. 1662 if (res.pkg.parentPackage != null) { 1663 synchronized (mPackages) { 1664 grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw(res.pkg); 1665 } 1666 } 1667 1668 synchronized (mPackages) { 1669 mEphemeralApplicationRegistry.onPackageInstalledLPw(res.pkg); 1670 } 1671 1672 final String packageName = res.pkg.applicationInfo.packageName; 1673 Bundle extras = new Bundle(1); 1674 extras.putInt(Intent.EXTRA_UID, res.uid); 1675 1676 // Determine the set of users who are adding this package for 1677 // the first time vs. those who are seeing an update. 1678 int[] firstUsers = EMPTY_INT_ARRAY; 1679 int[] updateUsers = EMPTY_INT_ARRAY; 1680 if (res.origUsers == null || res.origUsers.length == 0) { 1681 firstUsers = res.newUsers; 1682 } else { 1683 for (int newUser : res.newUsers) { 1684 boolean isNew = true; 1685 for (int origUser : res.origUsers) { 1686 if (origUser == newUser) { 1687 isNew = false; 1688 break; 1689 } 1690 } 1691 if (isNew) { 1692 firstUsers = ArrayUtils.appendInt(firstUsers, newUser); 1693 } else { 1694 updateUsers = ArrayUtils.appendInt(updateUsers, newUser); 1695 } 1696 } 1697 } 1698 1699 // Send installed broadcasts if the install/update is not ephemeral 1700 if (!isEphemeral(res.pkg)) { 1701 // Send added for users that see the package for the first time 1702 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1703 extras, 0 /*flags*/, null /*targetPackage*/, 1704 null /*finishedReceiver*/, firstUsers); 1705 1706 // Send added for users that don't see the package for the first time 1707 if (update) { 1708 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1709 } 1710 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1711 extras, 0 /*flags*/, null /*targetPackage*/, 1712 null /*finishedReceiver*/, updateUsers); 1713 1714 // Send replaced for users that don't see the package for the first time 1715 if (update) { 1716 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1717 packageName, extras, 0 /*flags*/, 1718 null /*targetPackage*/, null /*finishedReceiver*/, 1719 updateUsers); 1720 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1721 null /*package*/, null /*extras*/, 0 /*flags*/, 1722 packageName /*targetPackage*/, 1723 null /*finishedReceiver*/, updateUsers); 1724 } 1725 1726 // Send broadcast package appeared if forward locked/external for all users 1727 // treat asec-hosted packages like removable media on upgrade 1728 if (res.pkg.isForwardLocked() || isExternal(res.pkg)) { 1729 if (DEBUG_INSTALL) { 1730 Slog.i(TAG, "upgrading pkg " + res.pkg 1731 + " is ASEC-hosted -> AVAILABLE"); 1732 } 1733 final int[] uidArray = new int[]{res.pkg.applicationInfo.uid}; 1734 ArrayList<String> pkgList = new ArrayList<>(1); 1735 pkgList.add(packageName); 1736 sendResourcesChangedBroadcast(true, true, pkgList, uidArray, null); 1737 } 1738 } 1739 1740 // Work that needs to happen on first install within each user 1741 if (firstUsers != null && firstUsers.length > 0) { 1742 synchronized (mPackages) { 1743 for (int userId : firstUsers) { 1744 // If this app is a browser and it's newly-installed for some 1745 // users, clear any default-browser state in those users. The 1746 // app's nature doesn't depend on the user, so we can just check 1747 // its browser nature in any user and generalize. 1748 if (packageIsBrowser(packageName, userId)) { 1749 mSettings.setDefaultBrowserPackageNameLPw(null, userId); 1750 } 1751 1752 // We may also need to apply pending (restored) runtime 1753 // permission grants within these users. 1754 mSettings.applyPendingPermissionGrantsLPw(packageName, userId); 1755 } 1756 } 1757 } 1758 1759 // Log current value of "unknown sources" setting 1760 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1761 getUnknownSourcesSettings()); 1762 1763 // Force a gc to clear up things 1764 Runtime.getRuntime().gc(); 1765 1766 // Remove the replaced package's older resources safely now 1767 // We delete after a gc for applications on sdcard. 1768 if (res.removedInfo != null && res.removedInfo.args != null) { 1769 synchronized (mInstallLock) { 1770 res.removedInfo.args.doPostDeleteLI(true); 1771 } 1772 } 1773 } 1774 1775 // If someone is watching installs - notify them 1776 if (installObserver != null) { 1777 try { 1778 Bundle extras = extrasForInstallResult(res); 1779 installObserver.onPackageInstalled(res.name, res.returnCode, 1780 res.returnMsg, extras); 1781 } catch (RemoteException e) { 1782 Slog.i(TAG, "Observer no longer exists."); 1783 } 1784 } 1785 } 1786 1787 private void grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw( 1788 PackageParser.Package pkg) { 1789 if (pkg.parentPackage == null) { 1790 return; 1791 } 1792 if (pkg.requestedPermissions == null) { 1793 return; 1794 } 1795 final PackageSetting disabledSysParentPs = mSettings 1796 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 1797 if (disabledSysParentPs == null || disabledSysParentPs.pkg == null 1798 || !disabledSysParentPs.isPrivileged() 1799 || (disabledSysParentPs.childPackageNames != null 1800 && !disabledSysParentPs.childPackageNames.isEmpty())) { 1801 return; 1802 } 1803 final int[] allUserIds = sUserManager.getUserIds(); 1804 final int permCount = pkg.requestedPermissions.size(); 1805 for (int i = 0; i < permCount; i++) { 1806 String permission = pkg.requestedPermissions.get(i); 1807 BasePermission bp = mSettings.mPermissions.get(permission); 1808 if (bp == null || !(bp.isRuntime() || bp.isDevelopment())) { 1809 continue; 1810 } 1811 for (int userId : allUserIds) { 1812 if (disabledSysParentPs.getPermissionsState().hasRuntimePermission( 1813 permission, userId)) { 1814 grantRuntimePermission(pkg.packageName, permission, userId); 1815 } 1816 } 1817 } 1818 } 1819 1820 private StorageEventListener mStorageListener = new StorageEventListener() { 1821 @Override 1822 public void onVolumeStateChanged(VolumeInfo vol, int oldState, int newState) { 1823 if (vol.type == VolumeInfo.TYPE_PRIVATE) { 1824 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1825 final String volumeUuid = vol.getFsUuid(); 1826 1827 // Clean up any users or apps that were removed or recreated 1828 // while this volume was missing 1829 reconcileUsers(volumeUuid); 1830 reconcileApps(volumeUuid); 1831 1832 // Clean up any install sessions that expired or were 1833 // cancelled while this volume was missing 1834 mInstallerService.onPrivateVolumeMounted(volumeUuid); 1835 1836 loadPrivatePackages(vol); 1837 1838 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1839 unloadPrivatePackages(vol); 1840 } 1841 } 1842 1843 if (vol.type == VolumeInfo.TYPE_PUBLIC && vol.isPrimary()) { 1844 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1845 updateExternalMediaStatus(true, false); 1846 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1847 updateExternalMediaStatus(false, false); 1848 } 1849 } 1850 } 1851 1852 @Override 1853 public void onVolumeForgotten(String fsUuid) { 1854 if (TextUtils.isEmpty(fsUuid)) { 1855 Slog.e(TAG, "Forgetting internal storage is probably a mistake; ignoring"); 1856 return; 1857 } 1858 1859 // Remove any apps installed on the forgotten volume 1860 synchronized (mPackages) { 1861 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(fsUuid); 1862 for (PackageSetting ps : packages) { 1863 Slog.d(TAG, "Destroying " + ps.name + " because volume was forgotten"); 1864 deletePackage(ps.name, new LegacyPackageDeleteObserver(null).getBinder(), 1865 UserHandle.USER_SYSTEM, PackageManager.DELETE_ALL_USERS); 1866 } 1867 1868 mSettings.onVolumeForgotten(fsUuid); 1869 mSettings.writeLPr(); 1870 } 1871 } 1872 }; 1873 1874 private void grantRequestedRuntimePermissions(PackageParser.Package pkg, int[] userIds, 1875 String[] grantedPermissions) { 1876 for (int userId : userIds) { 1877 grantRequestedRuntimePermissionsForUser(pkg, userId, grantedPermissions); 1878 } 1879 1880 // We could have touched GID membership, so flush out packages.list 1881 synchronized (mPackages) { 1882 mSettings.writePackageListLPr(); 1883 } 1884 } 1885 1886 private void grantRequestedRuntimePermissionsForUser(PackageParser.Package pkg, int userId, 1887 String[] grantedPermissions) { 1888 SettingBase sb = (SettingBase) pkg.mExtras; 1889 if (sb == null) { 1890 return; 1891 } 1892 1893 PermissionsState permissionsState = sb.getPermissionsState(); 1894 1895 final int immutableFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 1896 | PackageManager.FLAG_PERMISSION_POLICY_FIXED; 1897 1898 synchronized (mPackages) { 1899 for (String permission : pkg.requestedPermissions) { 1900 BasePermission bp = mSettings.mPermissions.get(permission); 1901 if (bp != null && (bp.isRuntime() || bp.isDevelopment()) 1902 && (grantedPermissions == null 1903 || ArrayUtils.contains(grantedPermissions, permission))) { 1904 final int flags = permissionsState.getPermissionFlags(permission, userId); 1905 // Installer cannot change immutable permissions. 1906 if ((flags & immutableFlags) == 0) { 1907 grantRuntimePermission(pkg.packageName, permission, userId); 1908 } 1909 } 1910 } 1911 } 1912 } 1913 1914 Bundle extrasForInstallResult(PackageInstalledInfo res) { 1915 Bundle extras = null; 1916 switch (res.returnCode) { 1917 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 1918 extras = new Bundle(); 1919 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 1920 res.origPermission); 1921 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 1922 res.origPackage); 1923 break; 1924 } 1925 case PackageManager.INSTALL_SUCCEEDED: { 1926 extras = new Bundle(); 1927 extras.putBoolean(Intent.EXTRA_REPLACING, 1928 res.removedInfo != null && res.removedInfo.removedPackage != null); 1929 break; 1930 } 1931 } 1932 return extras; 1933 } 1934 1935 void scheduleWriteSettingsLocked() { 1936 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 1937 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 1938 } 1939 } 1940 1941 void scheduleWritePackageRestrictionsLocked(UserHandle user) { 1942 final int userId = user == null ? UserHandle.USER_ALL : user.getIdentifier(); 1943 scheduleWritePackageRestrictionsLocked(userId); 1944 } 1945 1946 void scheduleWritePackageRestrictionsLocked(int userId) { 1947 final int[] userIds = (userId == UserHandle.USER_ALL) 1948 ? sUserManager.getUserIds() : new int[]{userId}; 1949 for (int nextUserId : userIds) { 1950 if (!sUserManager.exists(nextUserId)) return; 1951 mDirtyUsers.add(nextUserId); 1952 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 1953 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 1954 } 1955 } 1956 } 1957 1958 public static PackageManagerService main(Context context, Installer installer, 1959 boolean factoryTest, boolean onlyCore) { 1960 PackageManagerService m = new PackageManagerService(context, installer, 1961 factoryTest, onlyCore); 1962 m.enableSystemUserPackages(); 1963 ServiceManager.addService("package", m); 1964 return m; 1965 } 1966 1967 private void enableSystemUserPackages() { 1968 if (!UserManager.isSplitSystemUser()) { 1969 return; 1970 } 1971 // For system user, enable apps based on the following conditions: 1972 // - app is whitelisted or belong to one of these groups: 1973 // -- system app which has no launcher icons 1974 // -- system app which has INTERACT_ACROSS_USERS permission 1975 // -- system IME app 1976 // - app is not in the blacklist 1977 AppsQueryHelper queryHelper = new AppsQueryHelper(this); 1978 Set<String> enableApps = new ArraySet<>(); 1979 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_NON_LAUNCHABLE_APPS 1980 | AppsQueryHelper.GET_APPS_WITH_INTERACT_ACROSS_USERS_PERM 1981 | AppsQueryHelper.GET_IMES, /* systemAppsOnly */ true, UserHandle.SYSTEM)); 1982 ArraySet<String> wlApps = SystemConfig.getInstance().getSystemUserWhitelistedApps(); 1983 enableApps.addAll(wlApps); 1984 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_REQUIRED_FOR_SYSTEM_USER, 1985 /* systemAppsOnly */ false, UserHandle.SYSTEM)); 1986 ArraySet<String> blApps = SystemConfig.getInstance().getSystemUserBlacklistedApps(); 1987 enableApps.removeAll(blApps); 1988 Log.i(TAG, "Applications installed for system user: " + enableApps); 1989 List<String> allAps = queryHelper.queryApps(0, /* systemAppsOnly */ false, 1990 UserHandle.SYSTEM); 1991 final int allAppsSize = allAps.size(); 1992 synchronized (mPackages) { 1993 for (int i = 0; i < allAppsSize; i++) { 1994 String pName = allAps.get(i); 1995 PackageSetting pkgSetting = mSettings.mPackages.get(pName); 1996 // Should not happen, but we shouldn't be failing if it does 1997 if (pkgSetting == null) { 1998 continue; 1999 } 2000 boolean install = enableApps.contains(pName); 2001 if (pkgSetting.getInstalled(UserHandle.USER_SYSTEM) != install) { 2002 Log.i(TAG, (install ? "Installing " : "Uninstalling ") + pName 2003 + " for system user"); 2004 pkgSetting.setInstalled(install, UserHandle.USER_SYSTEM); 2005 } 2006 } 2007 } 2008 } 2009 2010 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 2011 DisplayManager displayManager = (DisplayManager) context.getSystemService( 2012 Context.DISPLAY_SERVICE); 2013 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 2014 } 2015 2016 public PackageManagerService(Context context, Installer installer, 2017 boolean factoryTest, boolean onlyCore) { 2018 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 2019 SystemClock.uptimeMillis()); 2020 2021 if (mSdkVersion <= 0) { 2022 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 2023 } 2024 2025 mContext = context; 2026 mFactoryTest = factoryTest; 2027 mOnlyCore = onlyCore; 2028 mMetrics = new DisplayMetrics(); 2029 mSettings = new Settings(mPackages); 2030 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 2031 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2032 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 2033 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2034 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 2035 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2036 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 2037 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2038 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 2039 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2040 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 2041 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2042 2043 String separateProcesses = SystemProperties.get("debug.separate_processes"); 2044 if (separateProcesses != null && separateProcesses.length() > 0) { 2045 if ("*".equals(separateProcesses)) { 2046 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 2047 mSeparateProcesses = null; 2048 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 2049 } else { 2050 mDefParseFlags = 0; 2051 mSeparateProcesses = separateProcesses.split(","); 2052 Slog.w(TAG, "Running with debug.separate_processes: " 2053 + separateProcesses); 2054 } 2055 } else { 2056 mDefParseFlags = 0; 2057 mSeparateProcesses = null; 2058 } 2059 2060 mInstaller = installer; 2061 mPackageDexOptimizer = new PackageDexOptimizer(installer, mInstallLock, context, 2062 "*dexopt*"); 2063 mMoveCallbacks = new MoveCallbacks(FgThread.get().getLooper()); 2064 2065 mOnPermissionChangeListeners = new OnPermissionChangeListeners( 2066 FgThread.get().getLooper()); 2067 2068 getDefaultDisplayMetrics(context, mMetrics); 2069 2070 SystemConfig systemConfig = SystemConfig.getInstance(); 2071 mGlobalGids = systemConfig.getGlobalGids(); 2072 mSystemPermissions = systemConfig.getSystemPermissions(); 2073 mAvailableFeatures = systemConfig.getAvailableFeatures(); 2074 2075 synchronized (mInstallLock) { 2076 // writer 2077 synchronized (mPackages) { 2078 mHandlerThread = new ServiceThread(TAG, 2079 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 2080 mHandlerThread.start(); 2081 mHandler = new PackageHandler(mHandlerThread.getLooper()); 2082 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 2083 2084 File dataDir = Environment.getDataDirectory(); 2085 mAppInstallDir = new File(dataDir, "app"); 2086 mAppLib32InstallDir = new File(dataDir, "app-lib"); 2087 mEphemeralInstallDir = new File(dataDir, "app-ephemeral"); 2088 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 2089 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 2090 2091 sUserManager = new UserManagerService(context, this, mPackages); 2092 2093 // Propagate permission configuration in to package manager. 2094 ArrayMap<String, SystemConfig.PermissionEntry> permConfig 2095 = systemConfig.getPermissions(); 2096 for (int i=0; i<permConfig.size(); i++) { 2097 SystemConfig.PermissionEntry perm = permConfig.valueAt(i); 2098 BasePermission bp = mSettings.mPermissions.get(perm.name); 2099 if (bp == null) { 2100 bp = new BasePermission(perm.name, "android", BasePermission.TYPE_BUILTIN); 2101 mSettings.mPermissions.put(perm.name, bp); 2102 } 2103 if (perm.gids != null) { 2104 bp.setGids(perm.gids, perm.perUser); 2105 } 2106 } 2107 2108 ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries(); 2109 for (int i=0; i<libConfig.size(); i++) { 2110 mSharedLibraries.put(libConfig.keyAt(i), 2111 new SharedLibraryEntry(libConfig.valueAt(i), null)); 2112 } 2113 2114 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 2115 2116 mRestoredSettings = mSettings.readLPw(sUserManager.getUsers(false)); 2117 2118 String customResolverActivity = Resources.getSystem().getString( 2119 R.string.config_customResolverActivity); 2120 if (TextUtils.isEmpty(customResolverActivity)) { 2121 customResolverActivity = null; 2122 } else { 2123 mCustomResolverComponentName = ComponentName.unflattenFromString( 2124 customResolverActivity); 2125 } 2126 2127 long startTime = SystemClock.uptimeMillis(); 2128 2129 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 2130 startTime); 2131 2132 // Set flag to monitor and not change apk file paths when 2133 // scanning install directories. 2134 final int scanFlags = SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING | SCAN_INITIAL; 2135 2136 final String bootClassPath = System.getenv("BOOTCLASSPATH"); 2137 final String systemServerClassPath = System.getenv("SYSTEMSERVERCLASSPATH"); 2138 2139 if (bootClassPath == null) { 2140 Slog.w(TAG, "No BOOTCLASSPATH found!"); 2141 } 2142 2143 if (systemServerClassPath == null) { 2144 Slog.w(TAG, "No SYSTEMSERVERCLASSPATH found!"); 2145 } 2146 2147 final List<String> allInstructionSets = InstructionSets.getAllInstructionSets(); 2148 final String[] dexCodeInstructionSets = 2149 getDexCodeInstructionSets( 2150 allInstructionSets.toArray(new String[allInstructionSets.size()])); 2151 2152 /** 2153 * Ensure all external libraries have had dexopt run on them. 2154 */ 2155 if (mSharedLibraries.size() > 0) { 2156 // NOTE: For now, we're compiling these system "shared libraries" 2157 // (and framework jars) into all available architectures. It's possible 2158 // to compile them only when we come across an app that uses them (there's 2159 // already logic for that in scanPackageLI) but that adds some complexity. 2160 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 2161 for (SharedLibraryEntry libEntry : mSharedLibraries.values()) { 2162 final String lib = libEntry.path; 2163 if (lib == null) { 2164 continue; 2165 } 2166 2167 try { 2168 // Shared libraries do not have profiles so we perform a full 2169 // AOT compilation (if needed). 2170 int dexoptNeeded = DexFile.getDexOptNeeded( 2171 lib, dexCodeInstructionSet, 2172 DexFile.COMPILATION_TYPE_FULL); 2173 if (dexoptNeeded != DexFile.NO_DEXOPT_NEEDED) { 2174 mInstaller.dexopt(lib, Process.SYSTEM_UID, dexCodeInstructionSet, 2175 dexoptNeeded, DEXOPT_PUBLIC /*dexFlags*/, 2176 StorageManager.UUID_PRIVATE_INTERNAL, 2177 false /*useProfiles*/); 2178 } 2179 } catch (FileNotFoundException e) { 2180 Slog.w(TAG, "Library not found: " + lib); 2181 } catch (IOException | InstallerException e) { 2182 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 2183 + e.getMessage()); 2184 } 2185 } 2186 } 2187 } 2188 2189 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 2190 2191 final VersionInfo ver = mSettings.getInternalVersion(); 2192 mIsUpgrade = !Build.FINGERPRINT.equals(ver.fingerprint); 2193 // when upgrading from pre-M, promote system app permissions from install to runtime 2194 mPromoteSystemApps = 2195 mIsUpgrade && ver.sdkVersion <= Build.VERSION_CODES.LOLLIPOP_MR1; 2196 2197 // save off the names of pre-existing system packages prior to scanning; we don't 2198 // want to automatically grant runtime permissions for new system apps 2199 if (mPromoteSystemApps) { 2200 Iterator<PackageSetting> pkgSettingIter = mSettings.mPackages.values().iterator(); 2201 while (pkgSettingIter.hasNext()) { 2202 PackageSetting ps = pkgSettingIter.next(); 2203 if (isSystemApp(ps)) { 2204 mExistingSystemPackages.add(ps.name); 2205 } 2206 } 2207 } 2208 2209 // Collect vendor overlay packages. 2210 // (Do this before scanning any apps.) 2211 // For security and version matching reason, only consider 2212 // overlay packages if they reside in VENDOR_OVERLAY_DIR. 2213 File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR); 2214 scanDirTracedLI(vendorOverlayDir, PackageParser.PARSE_IS_SYSTEM 2215 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 2216 2217 // Find base frameworks (resource packages without code). 2218 scanDirTracedLI(frameworkDir, PackageParser.PARSE_IS_SYSTEM 2219 | PackageParser.PARSE_IS_SYSTEM_DIR 2220 | PackageParser.PARSE_IS_PRIVILEGED, 2221 scanFlags | SCAN_NO_DEX, 0); 2222 2223 // Collected privileged system packages. 2224 final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 2225 scanDirTracedLI(privilegedAppDir, PackageParser.PARSE_IS_SYSTEM 2226 | PackageParser.PARSE_IS_SYSTEM_DIR 2227 | PackageParser.PARSE_IS_PRIVILEGED, scanFlags, 0); 2228 2229 // Collect ordinary system packages. 2230 final File systemAppDir = new File(Environment.getRootDirectory(), "app"); 2231 scanDirTracedLI(systemAppDir, PackageParser.PARSE_IS_SYSTEM 2232 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2233 2234 // Collect all vendor packages. 2235 File vendorAppDir = new File("/vendor/app"); 2236 try { 2237 vendorAppDir = vendorAppDir.getCanonicalFile(); 2238 } catch (IOException e) { 2239 // failed to look up canonical path, continue with original one 2240 } 2241 scanDirTracedLI(vendorAppDir, PackageParser.PARSE_IS_SYSTEM 2242 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2243 2244 // Collect all OEM packages. 2245 final File oemAppDir = new File(Environment.getOemDirectory(), "app"); 2246 scanDirTracedLI(oemAppDir, PackageParser.PARSE_IS_SYSTEM 2247 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2248 2249 // Prune any system packages that no longer exist. 2250 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 2251 if (!mOnlyCore) { 2252 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 2253 while (psit.hasNext()) { 2254 PackageSetting ps = psit.next(); 2255 2256 /* 2257 * If this is not a system app, it can't be a 2258 * disable system app. 2259 */ 2260 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 2261 continue; 2262 } 2263 2264 /* 2265 * If the package is scanned, it's not erased. 2266 */ 2267 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 2268 if (scannedPkg != null) { 2269 /* 2270 * If the system app is both scanned and in the 2271 * disabled packages list, then it must have been 2272 * added via OTA. Remove it from the currently 2273 * scanned package so the previously user-installed 2274 * application can be scanned. 2275 */ 2276 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 2277 logCriticalInfo(Log.WARN, "Expecting better updated system app for " 2278 + ps.name + "; removing system app. Last known codePath=" 2279 + ps.codePathString + ", installStatus=" + ps.installStatus 2280 + ", versionCode=" + ps.versionCode + "; scanned versionCode=" 2281 + scannedPkg.mVersionCode); 2282 removePackageLI(scannedPkg, true); 2283 mExpectingBetter.put(ps.name, ps.codePath); 2284 } 2285 2286 continue; 2287 } 2288 2289 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 2290 psit.remove(); 2291 logCriticalInfo(Log.WARN, "System package " + ps.name 2292 + " no longer exists; wiping its data"); 2293 removeDataDirsLI(null, ps.name); 2294 } else { 2295 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 2296 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 2297 possiblyDeletedUpdatedSystemApps.add(ps.name); 2298 } 2299 } 2300 } 2301 } 2302 2303 //look for any incomplete package installations 2304 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 2305 //clean up list 2306 for(int i = 0; i < deletePkgsList.size(); i++) { 2307 //clean up here 2308 cleanupInstallFailedPackage(deletePkgsList.get(i)); 2309 } 2310 //delete tmp files 2311 deleteTempPackageFiles(); 2312 2313 // Remove any shared userIDs that have no associated packages 2314 mSettings.pruneSharedUsersLPw(); 2315 2316 if (!mOnlyCore) { 2317 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 2318 SystemClock.uptimeMillis()); 2319 scanDirTracedLI(mAppInstallDir, 0, scanFlags | SCAN_REQUIRE_KNOWN, 0); 2320 2321 scanDirTracedLI(mDrmAppPrivateInstallDir, PackageParser.PARSE_FORWARD_LOCK, 2322 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2323 2324 scanDirLI(mEphemeralInstallDir, PackageParser.PARSE_IS_EPHEMERAL, 2325 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2326 2327 /** 2328 * Remove disable package settings for any updated system 2329 * apps that were removed via an OTA. If they're not a 2330 * previously-updated app, remove them completely. 2331 * Otherwise, just revoke their system-level permissions. 2332 */ 2333 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 2334 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 2335 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 2336 2337 String msg; 2338 if (deletedPkg == null) { 2339 msg = "Updated system package " + deletedAppName 2340 + " no longer exists; wiping its data"; 2341 removeDataDirsLI(null, deletedAppName); 2342 } else { 2343 msg = "Updated system app + " + deletedAppName 2344 + " no longer present; removing system privileges for " 2345 + deletedAppName; 2346 2347 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 2348 2349 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 2350 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 2351 } 2352 logCriticalInfo(Log.WARN, msg); 2353 } 2354 2355 /** 2356 * Make sure all system apps that we expected to appear on 2357 * the userdata partition actually showed up. If they never 2358 * appeared, crawl back and revive the system version. 2359 */ 2360 for (int i = 0; i < mExpectingBetter.size(); i++) { 2361 final String packageName = mExpectingBetter.keyAt(i); 2362 if (!mPackages.containsKey(packageName)) { 2363 final File scanFile = mExpectingBetter.valueAt(i); 2364 2365 logCriticalInfo(Log.WARN, "Expected better " + packageName 2366 + " but never showed up; reverting to system"); 2367 2368 final int reparseFlags; 2369 if (FileUtils.contains(privilegedAppDir, scanFile)) { 2370 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2371 | PackageParser.PARSE_IS_SYSTEM_DIR 2372 | PackageParser.PARSE_IS_PRIVILEGED; 2373 } else if (FileUtils.contains(systemAppDir, scanFile)) { 2374 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2375 | PackageParser.PARSE_IS_SYSTEM_DIR; 2376 } else if (FileUtils.contains(vendorAppDir, scanFile)) { 2377 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2378 | PackageParser.PARSE_IS_SYSTEM_DIR; 2379 } else if (FileUtils.contains(oemAppDir, scanFile)) { 2380 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2381 | PackageParser.PARSE_IS_SYSTEM_DIR; 2382 } else { 2383 Slog.e(TAG, "Ignoring unexpected fallback path " + scanFile); 2384 continue; 2385 } 2386 2387 mSettings.enableSystemPackageLPw(packageName); 2388 2389 try { 2390 scanPackageTracedLI(scanFile, reparseFlags, scanFlags, 0, null); 2391 } catch (PackageManagerException e) { 2392 Slog.e(TAG, "Failed to parse original system package: " 2393 + e.getMessage()); 2394 } 2395 } 2396 } 2397 } 2398 mExpectingBetter.clear(); 2399 2400 // Now that we know all of the shared libraries, update all clients to have 2401 // the correct library paths. 2402 updateAllSharedLibrariesLPw(); 2403 2404 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 2405 // NOTE: We ignore potential failures here during a system scan (like 2406 // the rest of the commands above) because there's precious little we 2407 // can do about it. A settings error is reported, though. 2408 adjustCpuAbisForSharedUserLPw(setting.packages, null /* scanned package */, 2409 false /* boot complete */); 2410 } 2411 2412 // Now that we know all the packages we are keeping, 2413 // read and update their last usage times. 2414 mPackageUsage.readLP(); 2415 2416 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 2417 SystemClock.uptimeMillis()); 2418 Slog.i(TAG, "Time to scan packages: " 2419 + ((SystemClock.uptimeMillis()-startTime)/1000f) 2420 + " seconds"); 2421 2422 // If the platform SDK has changed since the last time we booted, 2423 // we need to re-grant app permission to catch any new ones that 2424 // appear. This is really a hack, and means that apps can in some 2425 // cases get permissions that the user didn't initially explicitly 2426 // allow... it would be nice to have some better way to handle 2427 // this situation. 2428 int updateFlags = UPDATE_PERMISSIONS_ALL; 2429 if (ver.sdkVersion != mSdkVersion) { 2430 Slog.i(TAG, "Platform changed from " + ver.sdkVersion + " to " 2431 + mSdkVersion + "; regranting permissions for internal storage"); 2432 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 2433 } 2434 updatePermissionsLPw(null, null, StorageManager.UUID_PRIVATE_INTERNAL, updateFlags); 2435 ver.sdkVersion = mSdkVersion; 2436 2437 // If this is the first boot or an update from pre-M, and it is a normal 2438 // boot, then we need to initialize the default preferred apps across 2439 // all defined users. 2440 if (!onlyCore && (mPromoteSystemApps || !mRestoredSettings)) { 2441 for (UserInfo user : sUserManager.getUsers(true)) { 2442 mSettings.applyDefaultPreferredAppsLPw(this, user.id); 2443 applyFactoryDefaultBrowserLPw(user.id); 2444 primeDomainVerificationsLPw(user.id); 2445 } 2446 } 2447 2448 // Prepare storage for system user really early during boot, 2449 // since core system apps like SettingsProvider and SystemUI 2450 // can't wait for user to start 2451 final int storageFlags; 2452 if (StorageManager.isFileEncryptedNativeOrEmulated()) { 2453 storageFlags = StorageManager.FLAG_STORAGE_DE; 2454 } else { 2455 storageFlags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 2456 } 2457 reconcileAppsData(StorageManager.UUID_PRIVATE_INTERNAL, UserHandle.USER_SYSTEM, 2458 storageFlags); 2459 2460 // If this is first boot after an OTA, and a normal boot, then 2461 // we need to clear code cache directories. 2462 if (mIsUpgrade && !onlyCore) { 2463 Slog.i(TAG, "Build fingerprint changed; clearing code caches"); 2464 for (int i = 0; i < mSettings.mPackages.size(); i++) { 2465 final PackageSetting ps = mSettings.mPackages.valueAt(i); 2466 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, ps.volumeUuid)) { 2467 deleteCodeCacheDirsLI(ps.volumeUuid, ps.name); 2468 } 2469 } 2470 ver.fingerprint = Build.FINGERPRINT; 2471 } 2472 2473 checkDefaultBrowser(); 2474 2475 // clear only after permissions and other defaults have been updated 2476 mExistingSystemPackages.clear(); 2477 mPromoteSystemApps = false; 2478 2479 // All the changes are done during package scanning. 2480 ver.databaseVersion = Settings.CURRENT_DATABASE_VERSION; 2481 2482 // can downgrade to reader 2483 mSettings.writeLPr(); 2484 2485 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 2486 SystemClock.uptimeMillis()); 2487 2488 if (!mOnlyCore) { 2489 mRequiredVerifierPackage = getRequiredButNotReallyRequiredVerifierLPr(); 2490 mRequiredInstallerPackage = getRequiredInstallerLPr(); 2491 mIntentFilterVerifierComponent = getIntentFilterVerifierComponentNameLPr(); 2492 mIntentFilterVerifier = new IntentVerifierProxy(mContext, 2493 mIntentFilterVerifierComponent); 2494 } else { 2495 mRequiredVerifierPackage = null; 2496 mRequiredInstallerPackage = null; 2497 mIntentFilterVerifierComponent = null; 2498 mIntentFilterVerifier = null; 2499 } 2500 2501 mInstallerService = new PackageInstallerService(context, this); 2502 2503 final ComponentName ephemeralResolverComponent = getEphemeralResolverLPr(); 2504 final ComponentName ephemeralInstallerComponent = getEphemeralInstallerLPr(); 2505 // both the installer and resolver must be present to enable ephemeral 2506 if (ephemeralInstallerComponent != null && ephemeralResolverComponent != null) { 2507 if (DEBUG_EPHEMERAL) { 2508 Slog.i(TAG, "Ephemeral activated; resolver: " + ephemeralResolverComponent 2509 + " installer:" + ephemeralInstallerComponent); 2510 } 2511 mEphemeralResolverComponent = ephemeralResolverComponent; 2512 mEphemeralInstallerComponent = ephemeralInstallerComponent; 2513 setUpEphemeralInstallerActivityLP(mEphemeralInstallerComponent); 2514 mEphemeralResolverConnection = 2515 new EphemeralResolverConnection(mContext, mEphemeralResolverComponent); 2516 } else { 2517 if (DEBUG_EPHEMERAL) { 2518 final String missingComponent = 2519 (ephemeralResolverComponent == null) 2520 ? (ephemeralInstallerComponent == null) 2521 ? "resolver and installer" 2522 : "resolver" 2523 : "installer"; 2524 Slog.i(TAG, "Ephemeral deactivated; missing " + missingComponent); 2525 } 2526 mEphemeralResolverComponent = null; 2527 mEphemeralInstallerComponent = null; 2528 mEphemeralResolverConnection = null; 2529 } 2530 2531 mEphemeralApplicationRegistry = new EphemeralApplicationRegistry(this); 2532 } // synchronized (mPackages) 2533 } // synchronized (mInstallLock) 2534 2535 // Now after opening every single application zip, make sure they 2536 // are all flushed. Not really needed, but keeps things nice and 2537 // tidy. 2538 Runtime.getRuntime().gc(); 2539 2540 // The initial scanning above does many calls into installd while 2541 // holding the mPackages lock, but we're mostly interested in yelling 2542 // once we have a booted system. 2543 mInstaller.setWarnIfHeld(mPackages); 2544 2545 // Expose private service for system components to use. 2546 LocalServices.addService(PackageManagerInternal.class, new PackageManagerInternalImpl()); 2547 } 2548 2549 @Override 2550 public boolean isFirstBoot() { 2551 return !mRestoredSettings; 2552 } 2553 2554 @Override 2555 public boolean isOnlyCoreApps() { 2556 return mOnlyCore; 2557 } 2558 2559 @Override 2560 public boolean isUpgrade() { 2561 return mIsUpgrade; 2562 } 2563 2564 private @Nullable String getRequiredButNotReallyRequiredVerifierLPr() { 2565 final Intent intent = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 2566 2567 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 2568 MATCH_SYSTEM_ONLY | MATCH_ENCRYPTION_AWARE_AND_UNAWARE, UserHandle.USER_SYSTEM); 2569 if (matches.size() == 1) { 2570 return matches.get(0).getComponentInfo().packageName; 2571 } else { 2572 Log.e(TAG, "There should probably be exactly one verifier; found " + matches); 2573 return null; 2574 } 2575 } 2576 2577 private @NonNull String getRequiredInstallerLPr() { 2578 final Intent intent = new Intent(Intent.ACTION_INSTALL_PACKAGE); 2579 intent.addCategory(Intent.CATEGORY_DEFAULT); 2580 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2581 2582 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 2583 MATCH_SYSTEM_ONLY | MATCH_ENCRYPTION_AWARE_AND_UNAWARE, UserHandle.USER_SYSTEM); 2584 if (matches.size() == 1) { 2585 return matches.get(0).getComponentInfo().packageName; 2586 } else { 2587 throw new RuntimeException("There must be exactly one installer; found " + matches); 2588 } 2589 } 2590 2591 private @NonNull ComponentName getIntentFilterVerifierComponentNameLPr() { 2592 final Intent intent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 2593 2594 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 2595 MATCH_SYSTEM_ONLY | MATCH_ENCRYPTION_AWARE_AND_UNAWARE, UserHandle.USER_SYSTEM); 2596 ResolveInfo best = null; 2597 final int N = matches.size(); 2598 for (int i = 0; i < N; i++) { 2599 final ResolveInfo cur = matches.get(i); 2600 final String packageName = cur.getComponentInfo().packageName; 2601 if (checkPermission(android.Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 2602 packageName, UserHandle.USER_SYSTEM) != PackageManager.PERMISSION_GRANTED) { 2603 continue; 2604 } 2605 2606 if (best == null || cur.priority > best.priority) { 2607 best = cur; 2608 } 2609 } 2610 2611 if (best != null) { 2612 return best.getComponentInfo().getComponentName(); 2613 } else { 2614 throw new RuntimeException("There must be at least one intent filter verifier"); 2615 } 2616 } 2617 2618 private @Nullable ComponentName getEphemeralResolverLPr() { 2619 final String[] packageArray = 2620 mContext.getResources().getStringArray(R.array.config_ephemeralResolverPackage); 2621 if (packageArray.length == 0) { 2622 if (DEBUG_EPHEMERAL) { 2623 Slog.d(TAG, "Ephemeral resolver NOT found; empty package list"); 2624 } 2625 return null; 2626 } 2627 2628 final Intent resolverIntent = new Intent(Intent.ACTION_RESOLVE_EPHEMERAL_PACKAGE); 2629 final List<ResolveInfo> resolvers = queryIntentServicesInternal(resolverIntent, null, 2630 MATCH_SYSTEM_ONLY | MATCH_ENCRYPTION_AWARE_AND_UNAWARE, UserHandle.USER_SYSTEM); 2631 2632 final int N = resolvers.size(); 2633 if (N == 0) { 2634 if (DEBUG_EPHEMERAL) { 2635 Slog.d(TAG, "Ephemeral resolver NOT found; no matching intent filters"); 2636 } 2637 return null; 2638 } 2639 2640 final Set<String> possiblePackages = new ArraySet<>(Arrays.asList(packageArray)); 2641 for (int i = 0; i < N; i++) { 2642 final ResolveInfo info = resolvers.get(i); 2643 2644 if (info.serviceInfo == null) { 2645 continue; 2646 } 2647 2648 final String packageName = info.serviceInfo.packageName; 2649 if (!possiblePackages.contains(packageName)) { 2650 if (DEBUG_EPHEMERAL) { 2651 Slog.d(TAG, "Ephemeral resolver not in allowed package list;" 2652 + " pkg: " + packageName + ", info:" + info); 2653 } 2654 continue; 2655 } 2656 2657 if (DEBUG_EPHEMERAL) { 2658 Slog.v(TAG, "Ephemeral resolver found;" 2659 + " pkg: " + packageName + ", info:" + info); 2660 } 2661 return new ComponentName(packageName, info.serviceInfo.name); 2662 } 2663 if (DEBUG_EPHEMERAL) { 2664 Slog.v(TAG, "Ephemeral resolver NOT found"); 2665 } 2666 return null; 2667 } 2668 2669 private @Nullable ComponentName getEphemeralInstallerLPr() { 2670 final Intent intent = new Intent(Intent.ACTION_INSTALL_EPHEMERAL_PACKAGE); 2671 intent.addCategory(Intent.CATEGORY_DEFAULT); 2672 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2673 2674 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 2675 MATCH_SYSTEM_ONLY | MATCH_ENCRYPTION_AWARE_AND_UNAWARE, UserHandle.USER_SYSTEM); 2676 if (matches.size() == 0) { 2677 return null; 2678 } else if (matches.size() == 1) { 2679 return matches.get(0).getComponentInfo().getComponentName(); 2680 } else { 2681 throw new RuntimeException( 2682 "There must be at most one ephemeral installer; found " + matches); 2683 } 2684 } 2685 2686 private void primeDomainVerificationsLPw(int userId) { 2687 if (DEBUG_DOMAIN_VERIFICATION) { 2688 Slog.d(TAG, "Priming domain verifications in user " + userId); 2689 } 2690 2691 SystemConfig systemConfig = SystemConfig.getInstance(); 2692 ArraySet<String> packages = systemConfig.getLinkedApps(); 2693 ArraySet<String> domains = new ArraySet<String>(); 2694 2695 for (String packageName : packages) { 2696 PackageParser.Package pkg = mPackages.get(packageName); 2697 if (pkg != null) { 2698 if (!pkg.isSystemApp()) { 2699 Slog.w(TAG, "Non-system app '" + packageName + "' in sysconfig <app-link>"); 2700 continue; 2701 } 2702 2703 domains.clear(); 2704 for (PackageParser.Activity a : pkg.activities) { 2705 for (ActivityIntentInfo filter : a.intents) { 2706 if (hasValidDomains(filter)) { 2707 domains.addAll(filter.getHostsList()); 2708 } 2709 } 2710 } 2711 2712 if (domains.size() > 0) { 2713 if (DEBUG_DOMAIN_VERIFICATION) { 2714 Slog.v(TAG, " + " + packageName); 2715 } 2716 // 'Undefined' in the global IntentFilterVerificationInfo, i.e. the usual 2717 // state w.r.t. the formal app-linkage "no verification attempted" state; 2718 // and then 'always' in the per-user state actually used for intent resolution. 2719 final IntentFilterVerificationInfo ivi; 2720 ivi = mSettings.createIntentFilterVerificationIfNeededLPw(packageName, 2721 new ArrayList<String>(domains)); 2722 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED); 2723 mSettings.updateIntentFilterVerificationStatusLPw(packageName, 2724 INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, userId); 2725 } else { 2726 Slog.w(TAG, "Sysconfig <app-link> package '" + packageName 2727 + "' does not handle web links"); 2728 } 2729 } else { 2730 Slog.w(TAG, "Unknown package " + packageName + " in sysconfig <app-link>"); 2731 } 2732 } 2733 2734 scheduleWritePackageRestrictionsLocked(userId); 2735 scheduleWriteSettingsLocked(); 2736 } 2737 2738 private void applyFactoryDefaultBrowserLPw(int userId) { 2739 // The default browser app's package name is stored in a string resource, 2740 // with a product-specific overlay used for vendor customization. 2741 String browserPkg = mContext.getResources().getString( 2742 com.android.internal.R.string.default_browser); 2743 if (!TextUtils.isEmpty(browserPkg)) { 2744 // non-empty string => required to be a known package 2745 PackageSetting ps = mSettings.mPackages.get(browserPkg); 2746 if (ps == null) { 2747 Slog.e(TAG, "Product default browser app does not exist: " + browserPkg); 2748 browserPkg = null; 2749 } else { 2750 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 2751 } 2752 } 2753 2754 // Nothing valid explicitly set? Make the factory-installed browser the explicit 2755 // default. If there's more than one, just leave everything alone. 2756 if (browserPkg == null) { 2757 calculateDefaultBrowserLPw(userId); 2758 } 2759 } 2760 2761 private void calculateDefaultBrowserLPw(int userId) { 2762 List<String> allBrowsers = resolveAllBrowserApps(userId); 2763 final String browserPkg = (allBrowsers.size() == 1) ? allBrowsers.get(0) : null; 2764 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 2765 } 2766 2767 private List<String> resolveAllBrowserApps(int userId) { 2768 // Resolve the canonical browser intent and check that the handleAllWebDataURI boolean is set 2769 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 2770 PackageManager.MATCH_ALL, userId); 2771 2772 final int count = list.size(); 2773 List<String> result = new ArrayList<String>(count); 2774 for (int i=0; i<count; i++) { 2775 ResolveInfo info = list.get(i); 2776 if (info.activityInfo == null 2777 || !info.handleAllWebDataURI 2778 || (info.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 0 2779 || result.contains(info.activityInfo.packageName)) { 2780 continue; 2781 } 2782 result.add(info.activityInfo.packageName); 2783 } 2784 2785 return result; 2786 } 2787 2788 private boolean packageIsBrowser(String packageName, int userId) { 2789 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 2790 PackageManager.MATCH_ALL, userId); 2791 final int N = list.size(); 2792 for (int i = 0; i < N; i++) { 2793 ResolveInfo info = list.get(i); 2794 if (packageName.equals(info.activityInfo.packageName)) { 2795 return true; 2796 } 2797 } 2798 return false; 2799 } 2800 2801 private void checkDefaultBrowser() { 2802 final int myUserId = UserHandle.myUserId(); 2803 final String packageName = getDefaultBrowserPackageName(myUserId); 2804 if (packageName != null) { 2805 PackageInfo info = getPackageInfo(packageName, 0, myUserId); 2806 if (info == null) { 2807 Slog.w(TAG, "Default browser no longer installed: " + packageName); 2808 synchronized (mPackages) { 2809 applyFactoryDefaultBrowserLPw(myUserId); // leaves ambiguous when > 1 2810 } 2811 } 2812 } 2813 } 2814 2815 @Override 2816 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 2817 throws RemoteException { 2818 try { 2819 return super.onTransact(code, data, reply, flags); 2820 } catch (RuntimeException e) { 2821 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 2822 Slog.wtf(TAG, "Package Manager Crash", e); 2823 } 2824 throw e; 2825 } 2826 } 2827 2828 void cleanupInstallFailedPackage(PackageSetting ps) { 2829 logCriticalInfo(Log.WARN, "Cleaning up incompletely installed app: " + ps.name); 2830 2831 removeDataDirsLI(ps.volumeUuid, ps.name); 2832 if (ps.codePath != null) { 2833 removeCodePathLI(ps.codePath); 2834 } 2835 if (ps.resourcePath != null && !ps.resourcePath.equals(ps.codePath)) { 2836 if (ps.resourcePath.isDirectory()) { 2837 FileUtils.deleteContents(ps.resourcePath); 2838 } 2839 ps.resourcePath.delete(); 2840 } 2841 mSettings.removePackageLPw(ps.name); 2842 } 2843 2844 static int[] appendInts(int[] cur, int[] add) { 2845 if (add == null) return cur; 2846 if (cur == null) return add; 2847 final int N = add.length; 2848 for (int i=0; i<N; i++) { 2849 cur = appendInt(cur, add[i]); 2850 } 2851 return cur; 2852 } 2853 2854 PackageInfo generatePackageInfo(PackageParser.Package p, int flags, int userId) { 2855 if (!sUserManager.exists(userId)) return null; 2856 final PackageSetting ps = (PackageSetting) p.mExtras; 2857 if (ps == null) { 2858 return null; 2859 } 2860 2861 final PermissionsState permissionsState = ps.getPermissionsState(); 2862 2863 final int[] gids = permissionsState.computeGids(userId); 2864 final Set<String> permissions = permissionsState.getPermissions(userId); 2865 final PackageUserState state = ps.readUserState(userId); 2866 2867 return PackageParser.generatePackageInfo(p, gids, flags, 2868 ps.firstInstallTime, ps.lastUpdateTime, permissions, state, userId); 2869 } 2870 2871 @Override 2872 public void checkPackageStartable(String packageName, int userId) { 2873 final boolean userKeyUnlocked = isUserKeyUnlocked(userId); 2874 2875 synchronized (mPackages) { 2876 final PackageSetting ps = mSettings.mPackages.get(packageName); 2877 if (ps == null) { 2878 throw new SecurityException("Package " + packageName + " was not found!"); 2879 } 2880 2881 if (mSafeMode && !ps.isSystem()) { 2882 throw new SecurityException("Package " + packageName + " not a system app!"); 2883 } 2884 2885 if (ps.frozen) { 2886 throw new SecurityException("Package " + packageName + " is currently frozen!"); 2887 } 2888 2889 if (!userKeyUnlocked && !(ps.pkg.applicationInfo.isEncryptionAware() 2890 || ps.pkg.applicationInfo.isPartiallyEncryptionAware())) { 2891 throw new SecurityException("Package " + packageName + " is not encryption aware!"); 2892 } 2893 } 2894 } 2895 2896 @Override 2897 public boolean isPackageAvailable(String packageName, int userId) { 2898 if (!sUserManager.exists(userId)) return false; 2899 enforceCrossUserPermission(Binder.getCallingUid(), userId, 2900 false /* requireFullPermission */, false /* checkShell */, "is package available"); 2901 synchronized (mPackages) { 2902 PackageParser.Package p = mPackages.get(packageName); 2903 if (p != null) { 2904 final PackageSetting ps = (PackageSetting) p.mExtras; 2905 if (ps != null) { 2906 final PackageUserState state = ps.readUserState(userId); 2907 if (state != null) { 2908 return PackageParser.isAvailable(state); 2909 } 2910 } 2911 } 2912 } 2913 return false; 2914 } 2915 2916 @Override 2917 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 2918 if (!sUserManager.exists(userId)) return null; 2919 flags = updateFlagsForPackage(flags, userId, packageName); 2920 enforceCrossUserPermission(Binder.getCallingUid(), userId, 2921 false /* requireFullPermission */, false /* checkShell */, "get package info"); 2922 // reader 2923 synchronized (mPackages) { 2924 PackageParser.Package p = mPackages.get(packageName); 2925 if (DEBUG_PACKAGE_INFO) 2926 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 2927 if (p != null) { 2928 return generatePackageInfo(p, flags, userId); 2929 } 2930 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 2931 return generatePackageInfoFromSettingsLPw(packageName, flags, userId); 2932 } 2933 } 2934 return null; 2935 } 2936 2937 @Override 2938 public String[] currentToCanonicalPackageNames(String[] names) { 2939 String[] out = new String[names.length]; 2940 // reader 2941 synchronized (mPackages) { 2942 for (int i=names.length-1; i>=0; i--) { 2943 PackageSetting ps = mSettings.mPackages.get(names[i]); 2944 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 2945 } 2946 } 2947 return out; 2948 } 2949 2950 @Override 2951 public String[] canonicalToCurrentPackageNames(String[] names) { 2952 String[] out = new String[names.length]; 2953 // reader 2954 synchronized (mPackages) { 2955 for (int i=names.length-1; i>=0; i--) { 2956 String cur = mSettings.mRenamedPackages.get(names[i]); 2957 out[i] = cur != null ? cur : names[i]; 2958 } 2959 } 2960 return out; 2961 } 2962 2963 @Override 2964 public int getPackageUid(String packageName, int flags, int userId) { 2965 if (!sUserManager.exists(userId)) return -1; 2966 flags = updateFlagsForPackage(flags, userId, packageName); 2967 enforceCrossUserPermission(Binder.getCallingUid(), userId, 2968 false /* requireFullPermission */, false /* checkShell */, "get package uid"); 2969 2970 // reader 2971 synchronized (mPackages) { 2972 final PackageParser.Package p = mPackages.get(packageName); 2973 if (p != null && p.isMatch(flags)) { 2974 return UserHandle.getUid(userId, p.applicationInfo.uid); 2975 } 2976 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 2977 final PackageSetting ps = mSettings.mPackages.get(packageName); 2978 if (ps != null && ps.isMatch(flags)) { 2979 return UserHandle.getUid(userId, ps.appId); 2980 } 2981 } 2982 } 2983 2984 return -1; 2985 } 2986 2987 @Override 2988 public int[] getPackageGids(String packageName, int flags, int userId) { 2989 if (!sUserManager.exists(userId)) return null; 2990 flags = updateFlagsForPackage(flags, userId, packageName); 2991 enforceCrossUserPermission(Binder.getCallingUid(), userId, 2992 false /* requireFullPermission */, false /* checkShell */, 2993 "getPackageGids"); 2994 2995 // reader 2996 synchronized (mPackages) { 2997 final PackageParser.Package p = mPackages.get(packageName); 2998 if (p != null && p.isMatch(flags)) { 2999 PackageSetting ps = (PackageSetting) p.mExtras; 3000 return ps.getPermissionsState().computeGids(userId); 3001 } 3002 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3003 final PackageSetting ps = mSettings.mPackages.get(packageName); 3004 if (ps != null && ps.isMatch(flags)) { 3005 return ps.getPermissionsState().computeGids(userId); 3006 } 3007 } 3008 } 3009 3010 return null; 3011 } 3012 3013 static PermissionInfo generatePermissionInfo(BasePermission bp, int flags) { 3014 if (bp.perm != null) { 3015 return PackageParser.generatePermissionInfo(bp.perm, flags); 3016 } 3017 PermissionInfo pi = new PermissionInfo(); 3018 pi.name = bp.name; 3019 pi.packageName = bp.sourcePackage; 3020 pi.nonLocalizedLabel = bp.name; 3021 pi.protectionLevel = bp.protectionLevel; 3022 return pi; 3023 } 3024 3025 @Override 3026 public PermissionInfo getPermissionInfo(String name, int flags) { 3027 // reader 3028 synchronized (mPackages) { 3029 final BasePermission p = mSettings.mPermissions.get(name); 3030 if (p != null) { 3031 return generatePermissionInfo(p, flags); 3032 } 3033 return null; 3034 } 3035 } 3036 3037 @Override 3038 public @Nullable ParceledListSlice<PermissionInfo> queryPermissionsByGroup(String group, 3039 int flags) { 3040 // reader 3041 synchronized (mPackages) { 3042 if (group != null && !mPermissionGroups.containsKey(group)) { 3043 // This is thrown as NameNotFoundException 3044 return null; 3045 } 3046 3047 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 3048 for (BasePermission p : mSettings.mPermissions.values()) { 3049 if (group == null) { 3050 if (p.perm == null || p.perm.info.group == null) { 3051 out.add(generatePermissionInfo(p, flags)); 3052 } 3053 } else { 3054 if (p.perm != null && group.equals(p.perm.info.group)) { 3055 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 3056 } 3057 } 3058 } 3059 return new ParceledListSlice<>(out); 3060 } 3061 } 3062 3063 @Override 3064 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 3065 // reader 3066 synchronized (mPackages) { 3067 return PackageParser.generatePermissionGroupInfo( 3068 mPermissionGroups.get(name), flags); 3069 } 3070 } 3071 3072 @Override 3073 public @NonNull ParceledListSlice<PermissionGroupInfo> getAllPermissionGroups(int flags) { 3074 // reader 3075 synchronized (mPackages) { 3076 final int N = mPermissionGroups.size(); 3077 ArrayList<PermissionGroupInfo> out 3078 = new ArrayList<PermissionGroupInfo>(N); 3079 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 3080 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 3081 } 3082 return new ParceledListSlice<>(out); 3083 } 3084 } 3085 3086 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 3087 int userId) { 3088 if (!sUserManager.exists(userId)) return null; 3089 PackageSetting ps = mSettings.mPackages.get(packageName); 3090 if (ps != null) { 3091 if (ps.pkg == null) { 3092 PackageInfo pInfo = generatePackageInfoFromSettingsLPw(packageName, 3093 flags, userId); 3094 if (pInfo != null) { 3095 return pInfo.applicationInfo; 3096 } 3097 return null; 3098 } 3099 return PackageParser.generateApplicationInfo(ps.pkg, flags, 3100 ps.readUserState(userId), userId); 3101 } 3102 return null; 3103 } 3104 3105 private PackageInfo generatePackageInfoFromSettingsLPw(String packageName, int flags, 3106 int userId) { 3107 if (!sUserManager.exists(userId)) return null; 3108 PackageSetting ps = mSettings.mPackages.get(packageName); 3109 if (ps != null) { 3110 PackageParser.Package pkg = ps.pkg; 3111 if (pkg == null) { 3112 if ((flags & MATCH_UNINSTALLED_PACKAGES) == 0) { 3113 return null; 3114 } 3115 // Only data remains, so we aren't worried about code paths 3116 pkg = new PackageParser.Package(packageName); 3117 pkg.applicationInfo.packageName = packageName; 3118 pkg.applicationInfo.flags = ps.pkgFlags | ApplicationInfo.FLAG_IS_DATA_ONLY; 3119 pkg.applicationInfo.privateFlags = ps.pkgPrivateFlags; 3120 pkg.applicationInfo.uid = ps.appId; 3121 pkg.applicationInfo.initForUser(userId); 3122 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 3123 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 3124 } 3125 return generatePackageInfo(pkg, flags, userId); 3126 } 3127 return null; 3128 } 3129 3130 @Override 3131 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 3132 if (!sUserManager.exists(userId)) return null; 3133 flags = updateFlagsForApplication(flags, userId, packageName); 3134 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3135 false /* requireFullPermission */, false /* checkShell */, "get application info"); 3136 // writer 3137 synchronized (mPackages) { 3138 PackageParser.Package p = mPackages.get(packageName); 3139 if (DEBUG_PACKAGE_INFO) Log.v( 3140 TAG, "getApplicationInfo " + packageName 3141 + ": " + p); 3142 if (p != null) { 3143 PackageSetting ps = mSettings.mPackages.get(packageName); 3144 if (ps == null) return null; 3145 // Note: isEnabledLP() does not apply here - always return info 3146 return PackageParser.generateApplicationInfo( 3147 p, flags, ps.readUserState(userId), userId); 3148 } 3149 if ("android".equals(packageName)||"system".equals(packageName)) { 3150 return mAndroidApplication; 3151 } 3152 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3153 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 3154 } 3155 } 3156 return null; 3157 } 3158 3159 @Override 3160 public void freeStorageAndNotify(final String volumeUuid, final long freeStorageSize, 3161 final IPackageDataObserver observer) { 3162 mContext.enforceCallingOrSelfPermission( 3163 android.Manifest.permission.CLEAR_APP_CACHE, null); 3164 // Queue up an async operation since clearing cache may take a little while. 3165 mHandler.post(new Runnable() { 3166 public void run() { 3167 mHandler.removeCallbacks(this); 3168 boolean success = true; 3169 synchronized (mInstallLock) { 3170 try { 3171 mInstaller.freeCache(volumeUuid, freeStorageSize); 3172 } catch (InstallerException e) { 3173 Slog.w(TAG, "Couldn't clear application caches: " + e); 3174 success = false; 3175 } 3176 } 3177 if (observer != null) { 3178 try { 3179 observer.onRemoveCompleted(null, success); 3180 } catch (RemoteException e) { 3181 Slog.w(TAG, "RemoveException when invoking call back"); 3182 } 3183 } 3184 } 3185 }); 3186 } 3187 3188 @Override 3189 public void freeStorage(final String volumeUuid, final long freeStorageSize, 3190 final IntentSender pi) { 3191 mContext.enforceCallingOrSelfPermission( 3192 android.Manifest.permission.CLEAR_APP_CACHE, null); 3193 // Queue up an async operation since clearing cache may take a little while. 3194 mHandler.post(new Runnable() { 3195 public void run() { 3196 mHandler.removeCallbacks(this); 3197 boolean success = true; 3198 synchronized (mInstallLock) { 3199 try { 3200 mInstaller.freeCache(volumeUuid, freeStorageSize); 3201 } catch (InstallerException e) { 3202 Slog.w(TAG, "Couldn't clear application caches: " + e); 3203 success = false; 3204 } 3205 } 3206 if(pi != null) { 3207 try { 3208 // Callback via pending intent 3209 int code = success ? 1 : 0; 3210 pi.sendIntent(null, code, null, 3211 null, null); 3212 } catch (SendIntentException e1) { 3213 Slog.i(TAG, "Failed to send pending intent"); 3214 } 3215 } 3216 } 3217 }); 3218 } 3219 3220 void freeStorage(String volumeUuid, long freeStorageSize) throws IOException { 3221 synchronized (mInstallLock) { 3222 try { 3223 mInstaller.freeCache(volumeUuid, freeStorageSize); 3224 } catch (InstallerException e) { 3225 throw new IOException("Failed to free enough space", e); 3226 } 3227 } 3228 } 3229 3230 /** 3231 * Return if the user key is currently unlocked. 3232 */ 3233 private boolean isUserKeyUnlocked(int userId) { 3234 if (StorageManager.isFileEncryptedNativeOrEmulated()) { 3235 final IMountService mount = IMountService.Stub 3236 .asInterface(ServiceManager.getService("mount")); 3237 if (mount == null) { 3238 Slog.w(TAG, "Early during boot, assuming locked"); 3239 return false; 3240 } 3241 final long token = Binder.clearCallingIdentity(); 3242 try { 3243 return mount.isUserKeyUnlocked(userId); 3244 } catch (RemoteException e) { 3245 throw e.rethrowAsRuntimeException(); 3246 } finally { 3247 Binder.restoreCallingIdentity(token); 3248 } 3249 } else { 3250 return true; 3251 } 3252 } 3253 3254 /** 3255 * Update given flags based on encryption status of current user. 3256 */ 3257 private int updateFlags(int flags, int userId) { 3258 if ((flags & (PackageManager.MATCH_ENCRYPTION_UNAWARE 3259 | PackageManager.MATCH_ENCRYPTION_AWARE)) != 0) { 3260 // Caller expressed an explicit opinion about what encryption 3261 // aware/unaware components they want to see, so fall through and 3262 // give them what they want 3263 } else { 3264 // Caller expressed no opinion, so match based on user state 3265 if (isUserKeyUnlocked(userId)) { 3266 flags |= PackageManager.MATCH_ENCRYPTION_AWARE_AND_UNAWARE; 3267 } else { 3268 flags |= PackageManager.MATCH_ENCRYPTION_AWARE; 3269 } 3270 } 3271 return flags; 3272 } 3273 3274 /** 3275 * Update given flags when being used to request {@link PackageInfo}. 3276 */ 3277 private int updateFlagsForPackage(int flags, int userId, Object cookie) { 3278 boolean triaged = true; 3279 if ((flags & (PackageManager.GET_ACTIVITIES | PackageManager.GET_RECEIVERS 3280 | PackageManager.GET_SERVICES | PackageManager.GET_PROVIDERS)) != 0) { 3281 // Caller is asking for component details, so they'd better be 3282 // asking for specific encryption matching behavior, or be triaged 3283 if ((flags & (PackageManager.MATCH_ENCRYPTION_UNAWARE 3284 | PackageManager.MATCH_ENCRYPTION_AWARE 3285 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3286 triaged = false; 3287 } 3288 } 3289 if ((flags & (PackageManager.MATCH_UNINSTALLED_PACKAGES 3290 | PackageManager.MATCH_SYSTEM_ONLY 3291 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3292 triaged = false; 3293 } 3294 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3295 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3296 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3297 } 3298 return updateFlags(flags, userId); 3299 } 3300 3301 /** 3302 * Update given flags when being used to request {@link ApplicationInfo}. 3303 */ 3304 private int updateFlagsForApplication(int flags, int userId, Object cookie) { 3305 return updateFlagsForPackage(flags, userId, cookie); 3306 } 3307 3308 /** 3309 * Update given flags when being used to request {@link ComponentInfo}. 3310 */ 3311 private int updateFlagsForComponent(int flags, int userId, Object cookie) { 3312 if (cookie instanceof Intent) { 3313 if ((((Intent) cookie).getFlags() & Intent.FLAG_DEBUG_TRIAGED_MISSING) != 0) { 3314 flags |= PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 3315 } 3316 } 3317 3318 boolean triaged = true; 3319 // Caller is asking for component details, so they'd better be 3320 // asking for specific encryption matching behavior, or be triaged 3321 if ((flags & (PackageManager.MATCH_ENCRYPTION_UNAWARE 3322 | PackageManager.MATCH_ENCRYPTION_AWARE 3323 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3324 triaged = false; 3325 } 3326 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3327 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3328 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3329 } 3330 3331 return updateFlags(flags, userId); 3332 } 3333 3334 /** 3335 * Update given flags when being used to request {@link ResolveInfo}. 3336 */ 3337 int updateFlagsForResolve(int flags, int userId, Object cookie) { 3338 // Safe mode means we shouldn't match any third-party components 3339 if (mSafeMode) { 3340 flags |= PackageManager.MATCH_SYSTEM_ONLY; 3341 } 3342 3343 return updateFlagsForComponent(flags, userId, cookie); 3344 } 3345 3346 @Override 3347 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 3348 if (!sUserManager.exists(userId)) return null; 3349 flags = updateFlagsForComponent(flags, userId, component); 3350 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3351 false /* requireFullPermission */, false /* checkShell */, "get activity info"); 3352 synchronized (mPackages) { 3353 PackageParser.Activity a = mActivities.mActivities.get(component); 3354 3355 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 3356 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3357 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3358 if (ps == null) return null; 3359 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3360 userId); 3361 } 3362 if (mResolveComponentName.equals(component)) { 3363 return PackageParser.generateActivityInfo(mResolveActivity, flags, 3364 new PackageUserState(), userId); 3365 } 3366 } 3367 return null; 3368 } 3369 3370 @Override 3371 public boolean activitySupportsIntent(ComponentName component, Intent intent, 3372 String resolvedType) { 3373 synchronized (mPackages) { 3374 if (component.equals(mResolveComponentName)) { 3375 // The resolver supports EVERYTHING! 3376 return true; 3377 } 3378 PackageParser.Activity a = mActivities.mActivities.get(component); 3379 if (a == null) { 3380 return false; 3381 } 3382 for (int i=0; i<a.intents.size(); i++) { 3383 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 3384 intent.getData(), intent.getCategories(), TAG) >= 0) { 3385 return true; 3386 } 3387 } 3388 return false; 3389 } 3390 } 3391 3392 @Override 3393 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 3394 if (!sUserManager.exists(userId)) return null; 3395 flags = updateFlagsForComponent(flags, userId, component); 3396 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3397 false /* requireFullPermission */, false /* checkShell */, "get receiver info"); 3398 synchronized (mPackages) { 3399 PackageParser.Activity a = mReceivers.mActivities.get(component); 3400 if (DEBUG_PACKAGE_INFO) Log.v( 3401 TAG, "getReceiverInfo " + component + ": " + a); 3402 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3403 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3404 if (ps == null) return null; 3405 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3406 userId); 3407 } 3408 } 3409 return null; 3410 } 3411 3412 @Override 3413 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 3414 if (!sUserManager.exists(userId)) return null; 3415 flags = updateFlagsForComponent(flags, userId, component); 3416 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3417 false /* requireFullPermission */, false /* checkShell */, "get service info"); 3418 synchronized (mPackages) { 3419 PackageParser.Service s = mServices.mServices.get(component); 3420 if (DEBUG_PACKAGE_INFO) Log.v( 3421 TAG, "getServiceInfo " + component + ": " + s); 3422 if (s != null && mSettings.isEnabledAndMatchLPr(s.info, flags, userId)) { 3423 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3424 if (ps == null) return null; 3425 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 3426 userId); 3427 } 3428 } 3429 return null; 3430 } 3431 3432 @Override 3433 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 3434 if (!sUserManager.exists(userId)) return null; 3435 flags = updateFlagsForComponent(flags, userId, component); 3436 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3437 false /* requireFullPermission */, false /* checkShell */, "get provider info"); 3438 synchronized (mPackages) { 3439 PackageParser.Provider p = mProviders.mProviders.get(component); 3440 if (DEBUG_PACKAGE_INFO) Log.v( 3441 TAG, "getProviderInfo " + component + ": " + p); 3442 if (p != null && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 3443 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3444 if (ps == null) return null; 3445 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 3446 userId); 3447 } 3448 } 3449 return null; 3450 } 3451 3452 @Override 3453 public String[] getSystemSharedLibraryNames() { 3454 Set<String> libSet; 3455 synchronized (mPackages) { 3456 libSet = mSharedLibraries.keySet(); 3457 int size = libSet.size(); 3458 if (size > 0) { 3459 String[] libs = new String[size]; 3460 libSet.toArray(libs); 3461 return libs; 3462 } 3463 } 3464 return null; 3465 } 3466 3467 @Override 3468 public @Nullable String getServicesSystemSharedLibraryPackageName() { 3469 synchronized (mPackages) { 3470 SharedLibraryEntry libraryEntry = mSharedLibraries.get( 3471 PackageManager.SYSTEM_SHARED_LIBRARY_SERVICES); 3472 if (libraryEntry != null) { 3473 return libraryEntry.apk; 3474 } 3475 } 3476 return null; 3477 } 3478 3479 @Override 3480 public @NonNull ParceledListSlice<FeatureInfo> getSystemAvailableFeatures() { 3481 synchronized (mPackages) { 3482 final ArrayList<FeatureInfo> res = new ArrayList<>(mAvailableFeatures.values()); 3483 3484 final FeatureInfo fi = new FeatureInfo(); 3485 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 3486 FeatureInfo.GL_ES_VERSION_UNDEFINED); 3487 res.add(fi); 3488 3489 return new ParceledListSlice<>(res); 3490 } 3491 } 3492 3493 @Override 3494 public boolean hasSystemFeature(String name, int version) { 3495 synchronized (mPackages) { 3496 final FeatureInfo feat = mAvailableFeatures.get(name); 3497 if (feat == null) { 3498 return false; 3499 } else { 3500 return feat.version >= version; 3501 } 3502 } 3503 } 3504 3505 @Override 3506 public int checkPermission(String permName, String pkgName, int userId) { 3507 if (!sUserManager.exists(userId)) { 3508 return PackageManager.PERMISSION_DENIED; 3509 } 3510 3511 synchronized (mPackages) { 3512 final PackageParser.Package p = mPackages.get(pkgName); 3513 if (p != null && p.mExtras != null) { 3514 final PackageSetting ps = (PackageSetting) p.mExtras; 3515 final PermissionsState permissionsState = ps.getPermissionsState(); 3516 if (permissionsState.hasPermission(permName, userId)) { 3517 return PackageManager.PERMISSION_GRANTED; 3518 } 3519 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3520 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3521 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3522 return PackageManager.PERMISSION_GRANTED; 3523 } 3524 } 3525 } 3526 3527 return PackageManager.PERMISSION_DENIED; 3528 } 3529 3530 @Override 3531 public int checkUidPermission(String permName, int uid) { 3532 final int userId = UserHandle.getUserId(uid); 3533 3534 if (!sUserManager.exists(userId)) { 3535 return PackageManager.PERMISSION_DENIED; 3536 } 3537 3538 synchronized (mPackages) { 3539 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 3540 if (obj != null) { 3541 final SettingBase ps = (SettingBase) obj; 3542 final PermissionsState permissionsState = ps.getPermissionsState(); 3543 if (permissionsState.hasPermission(permName, userId)) { 3544 return PackageManager.PERMISSION_GRANTED; 3545 } 3546 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3547 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3548 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3549 return PackageManager.PERMISSION_GRANTED; 3550 } 3551 } else { 3552 ArraySet<String> perms = mSystemPermissions.get(uid); 3553 if (perms != null) { 3554 if (perms.contains(permName)) { 3555 return PackageManager.PERMISSION_GRANTED; 3556 } 3557 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && perms 3558 .contains(Manifest.permission.ACCESS_FINE_LOCATION)) { 3559 return PackageManager.PERMISSION_GRANTED; 3560 } 3561 } 3562 } 3563 } 3564 3565 return PackageManager.PERMISSION_DENIED; 3566 } 3567 3568 @Override 3569 public boolean isPermissionRevokedByPolicy(String permission, String packageName, int userId) { 3570 if (UserHandle.getCallingUserId() != userId) { 3571 mContext.enforceCallingPermission( 3572 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 3573 "isPermissionRevokedByPolicy for user " + userId); 3574 } 3575 3576 if (checkPermission(permission, packageName, userId) 3577 == PackageManager.PERMISSION_GRANTED) { 3578 return false; 3579 } 3580 3581 final long identity = Binder.clearCallingIdentity(); 3582 try { 3583 final int flags = getPermissionFlags(permission, packageName, userId); 3584 return (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0; 3585 } finally { 3586 Binder.restoreCallingIdentity(identity); 3587 } 3588 } 3589 3590 @Override 3591 public String getPermissionControllerPackageName() { 3592 synchronized (mPackages) { 3593 return mRequiredInstallerPackage; 3594 } 3595 } 3596 3597 /** 3598 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 3599 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 3600 * @param checkShell whether to prevent shell from access if there's a debugging restriction 3601 * @param message the message to log on security exception 3602 */ 3603 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 3604 boolean checkShell, String message) { 3605 if (userId < 0) { 3606 throw new IllegalArgumentException("Invalid userId " + userId); 3607 } 3608 if (checkShell) { 3609 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, userId); 3610 } 3611 if (userId == UserHandle.getUserId(callingUid)) return; 3612 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 3613 if (requireFullPermission) { 3614 mContext.enforceCallingOrSelfPermission( 3615 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3616 } else { 3617 try { 3618 mContext.enforceCallingOrSelfPermission( 3619 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3620 } catch (SecurityException se) { 3621 mContext.enforceCallingOrSelfPermission( 3622 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 3623 } 3624 } 3625 } 3626 } 3627 3628 void enforceShellRestriction(String restriction, int callingUid, int userHandle) { 3629 if (callingUid == Process.SHELL_UID) { 3630 if (userHandle >= 0 3631 && sUserManager.hasUserRestriction(restriction, userHandle)) { 3632 throw new SecurityException("Shell does not have permission to access user " 3633 + userHandle); 3634 } else if (userHandle < 0) { 3635 Slog.e(TAG, "Unable to check shell permission for user " + userHandle + "\n\t" 3636 + Debug.getCallers(3)); 3637 } 3638 } 3639 } 3640 3641 private BasePermission findPermissionTreeLP(String permName) { 3642 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 3643 if (permName.startsWith(bp.name) && 3644 permName.length() > bp.name.length() && 3645 permName.charAt(bp.name.length()) == '.') { 3646 return bp; 3647 } 3648 } 3649 return null; 3650 } 3651 3652 private BasePermission checkPermissionTreeLP(String permName) { 3653 if (permName != null) { 3654 BasePermission bp = findPermissionTreeLP(permName); 3655 if (bp != null) { 3656 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 3657 return bp; 3658 } 3659 throw new SecurityException("Calling uid " 3660 + Binder.getCallingUid() 3661 + " is not allowed to add to permission tree " 3662 + bp.name + " owned by uid " + bp.uid); 3663 } 3664 } 3665 throw new SecurityException("No permission tree found for " + permName); 3666 } 3667 3668 static boolean compareStrings(CharSequence s1, CharSequence s2) { 3669 if (s1 == null) { 3670 return s2 == null; 3671 } 3672 if (s2 == null) { 3673 return false; 3674 } 3675 if (s1.getClass() != s2.getClass()) { 3676 return false; 3677 } 3678 return s1.equals(s2); 3679 } 3680 3681 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 3682 if (pi1.icon != pi2.icon) return false; 3683 if (pi1.logo != pi2.logo) return false; 3684 if (pi1.protectionLevel != pi2.protectionLevel) return false; 3685 if (!compareStrings(pi1.name, pi2.name)) return false; 3686 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 3687 // We'll take care of setting this one. 3688 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 3689 // These are not currently stored in settings. 3690 //if (!compareStrings(pi1.group, pi2.group)) return false; 3691 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 3692 //if (pi1.labelRes != pi2.labelRes) return false; 3693 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 3694 return true; 3695 } 3696 3697 int permissionInfoFootprint(PermissionInfo info) { 3698 int size = info.name.length(); 3699 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 3700 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 3701 return size; 3702 } 3703 3704 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 3705 int size = 0; 3706 for (BasePermission perm : mSettings.mPermissions.values()) { 3707 if (perm.uid == tree.uid) { 3708 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 3709 } 3710 } 3711 return size; 3712 } 3713 3714 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 3715 // We calculate the max size of permissions defined by this uid and throw 3716 // if that plus the size of 'info' would exceed our stated maximum. 3717 if (tree.uid != Process.SYSTEM_UID) { 3718 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 3719 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 3720 throw new SecurityException("Permission tree size cap exceeded"); 3721 } 3722 } 3723 } 3724 3725 boolean addPermissionLocked(PermissionInfo info, boolean async) { 3726 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 3727 throw new SecurityException("Label must be specified in permission"); 3728 } 3729 BasePermission tree = checkPermissionTreeLP(info.name); 3730 BasePermission bp = mSettings.mPermissions.get(info.name); 3731 boolean added = bp == null; 3732 boolean changed = true; 3733 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 3734 if (added) { 3735 enforcePermissionCapLocked(info, tree); 3736 bp = new BasePermission(info.name, tree.sourcePackage, 3737 BasePermission.TYPE_DYNAMIC); 3738 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 3739 throw new SecurityException( 3740 "Not allowed to modify non-dynamic permission " 3741 + info.name); 3742 } else { 3743 if (bp.protectionLevel == fixedLevel 3744 && bp.perm.owner.equals(tree.perm.owner) 3745 && bp.uid == tree.uid 3746 && comparePermissionInfos(bp.perm.info, info)) { 3747 changed = false; 3748 } 3749 } 3750 bp.protectionLevel = fixedLevel; 3751 info = new PermissionInfo(info); 3752 info.protectionLevel = fixedLevel; 3753 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 3754 bp.perm.info.packageName = tree.perm.info.packageName; 3755 bp.uid = tree.uid; 3756 if (added) { 3757 mSettings.mPermissions.put(info.name, bp); 3758 } 3759 if (changed) { 3760 if (!async) { 3761 mSettings.writeLPr(); 3762 } else { 3763 scheduleWriteSettingsLocked(); 3764 } 3765 } 3766 return added; 3767 } 3768 3769 @Override 3770 public boolean addPermission(PermissionInfo info) { 3771 synchronized (mPackages) { 3772 return addPermissionLocked(info, false); 3773 } 3774 } 3775 3776 @Override 3777 public boolean addPermissionAsync(PermissionInfo info) { 3778 synchronized (mPackages) { 3779 return addPermissionLocked(info, true); 3780 } 3781 } 3782 3783 @Override 3784 public void removePermission(String name) { 3785 synchronized (mPackages) { 3786 checkPermissionTreeLP(name); 3787 BasePermission bp = mSettings.mPermissions.get(name); 3788 if (bp != null) { 3789 if (bp.type != BasePermission.TYPE_DYNAMIC) { 3790 throw new SecurityException( 3791 "Not allowed to modify non-dynamic permission " 3792 + name); 3793 } 3794 mSettings.mPermissions.remove(name); 3795 mSettings.writeLPr(); 3796 } 3797 } 3798 } 3799 3800 private static void enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(PackageParser.Package pkg, 3801 BasePermission bp) { 3802 int index = pkg.requestedPermissions.indexOf(bp.name); 3803 if (index == -1) { 3804 throw new SecurityException("Package " + pkg.packageName 3805 + " has not requested permission " + bp.name); 3806 } 3807 if (!bp.isRuntime() && !bp.isDevelopment()) { 3808 throw new SecurityException("Permission " + bp.name 3809 + " is not a changeable permission type"); 3810 } 3811 } 3812 3813 @Override 3814 public void grantRuntimePermission(String packageName, String name, final int userId) { 3815 if (!sUserManager.exists(userId)) { 3816 Log.e(TAG, "No such user:" + userId); 3817 return; 3818 } 3819 3820 mContext.enforceCallingOrSelfPermission( 3821 android.Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 3822 "grantRuntimePermission"); 3823 3824 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3825 true /* requireFullPermission */, true /* checkShell */, 3826 "grantRuntimePermission"); 3827 3828 final int uid; 3829 final SettingBase sb; 3830 3831 synchronized (mPackages) { 3832 final PackageParser.Package pkg = mPackages.get(packageName); 3833 if (pkg == null) { 3834 throw new IllegalArgumentException("Unknown package: " + packageName); 3835 } 3836 3837 final BasePermission bp = mSettings.mPermissions.get(name); 3838 if (bp == null) { 3839 throw new IllegalArgumentException("Unknown permission: " + name); 3840 } 3841 3842 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 3843 3844 // If a permission review is required for legacy apps we represent 3845 // their permissions as always granted runtime ones since we need 3846 // to keep the review required permission flag per user while an 3847 // install permission's state is shared across all users. 3848 if (Build.PERMISSIONS_REVIEW_REQUIRED 3849 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 3850 && bp.isRuntime()) { 3851 return; 3852 } 3853 3854 uid = UserHandle.getUid(userId, pkg.applicationInfo.uid); 3855 sb = (SettingBase) pkg.mExtras; 3856 if (sb == null) { 3857 throw new IllegalArgumentException("Unknown package: " + packageName); 3858 } 3859 3860 final PermissionsState permissionsState = sb.getPermissionsState(); 3861 3862 final int flags = permissionsState.getPermissionFlags(name, userId); 3863 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 3864 throw new SecurityException("Cannot grant system fixed permission " 3865 + name + " for package " + packageName); 3866 } 3867 3868 if (bp.isDevelopment()) { 3869 // Development permissions must be handled specially, since they are not 3870 // normal runtime permissions. For now they apply to all users. 3871 if (permissionsState.grantInstallPermission(bp) != 3872 PermissionsState.PERMISSION_OPERATION_FAILURE) { 3873 scheduleWriteSettingsLocked(); 3874 } 3875 return; 3876 } 3877 3878 if (pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 3879 Slog.w(TAG, "Cannot grant runtime permission to a legacy app"); 3880 return; 3881 } 3882 3883 final int result = permissionsState.grantRuntimePermission(bp, userId); 3884 switch (result) { 3885 case PermissionsState.PERMISSION_OPERATION_FAILURE: { 3886 return; 3887 } 3888 3889 case PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 3890 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 3891 mHandler.post(new Runnable() { 3892 @Override 3893 public void run() { 3894 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 3895 } 3896 }); 3897 } 3898 break; 3899 } 3900 3901 mOnPermissionChangeListeners.onPermissionsChanged(uid); 3902 3903 // Not critical if that is lost - app has to request again. 3904 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 3905 } 3906 3907 // Only need to do this if user is initialized. Otherwise it's a new user 3908 // and there are no processes running as the user yet and there's no need 3909 // to make an expensive call to remount processes for the changed permissions. 3910 if (READ_EXTERNAL_STORAGE.equals(name) 3911 || WRITE_EXTERNAL_STORAGE.equals(name)) { 3912 final long token = Binder.clearCallingIdentity(); 3913 try { 3914 if (sUserManager.isInitialized(userId)) { 3915 MountServiceInternal mountServiceInternal = LocalServices.getService( 3916 MountServiceInternal.class); 3917 mountServiceInternal.onExternalStoragePolicyChanged(uid, packageName); 3918 } 3919 } finally { 3920 Binder.restoreCallingIdentity(token); 3921 } 3922 } 3923 } 3924 3925 @Override 3926 public void revokeRuntimePermission(String packageName, String name, int userId) { 3927 if (!sUserManager.exists(userId)) { 3928 Log.e(TAG, "No such user:" + userId); 3929 return; 3930 } 3931 3932 mContext.enforceCallingOrSelfPermission( 3933 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 3934 "revokeRuntimePermission"); 3935 3936 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3937 true /* requireFullPermission */, true /* checkShell */, 3938 "revokeRuntimePermission"); 3939 3940 final int appId; 3941 3942 synchronized (mPackages) { 3943 final PackageParser.Package pkg = mPackages.get(packageName); 3944 if (pkg == null) { 3945 throw new IllegalArgumentException("Unknown package: " + packageName); 3946 } 3947 3948 final BasePermission bp = mSettings.mPermissions.get(name); 3949 if (bp == null) { 3950 throw new IllegalArgumentException("Unknown permission: " + name); 3951 } 3952 3953 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 3954 3955 // If a permission review is required for legacy apps we represent 3956 // their permissions as always granted runtime ones since we need 3957 // to keep the review required permission flag per user while an 3958 // install permission's state is shared across all users. 3959 if (Build.PERMISSIONS_REVIEW_REQUIRED 3960 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 3961 && bp.isRuntime()) { 3962 return; 3963 } 3964 3965 SettingBase sb = (SettingBase) pkg.mExtras; 3966 if (sb == null) { 3967 throw new IllegalArgumentException("Unknown package: " + packageName); 3968 } 3969 3970 final PermissionsState permissionsState = sb.getPermissionsState(); 3971 3972 final int flags = permissionsState.getPermissionFlags(name, userId); 3973 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 3974 throw new SecurityException("Cannot revoke system fixed permission " 3975 + name + " for package " + packageName); 3976 } 3977 3978 if (bp.isDevelopment()) { 3979 // Development permissions must be handled specially, since they are not 3980 // normal runtime permissions. For now they apply to all users. 3981 if (permissionsState.revokeInstallPermission(bp) != 3982 PermissionsState.PERMISSION_OPERATION_FAILURE) { 3983 scheduleWriteSettingsLocked(); 3984 } 3985 return; 3986 } 3987 3988 if (permissionsState.revokeRuntimePermission(bp, userId) == 3989 PermissionsState.PERMISSION_OPERATION_FAILURE) { 3990 return; 3991 } 3992 3993 mOnPermissionChangeListeners.onPermissionsChanged(pkg.applicationInfo.uid); 3994 3995 // Critical, after this call app should never have the permission. 3996 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 3997 3998 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 3999 } 4000 4001 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 4002 } 4003 4004 @Override 4005 public void resetRuntimePermissions() { 4006 mContext.enforceCallingOrSelfPermission( 4007 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4008 "revokeRuntimePermission"); 4009 4010 int callingUid = Binder.getCallingUid(); 4011 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 4012 mContext.enforceCallingOrSelfPermission( 4013 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4014 "resetRuntimePermissions"); 4015 } 4016 4017 synchronized (mPackages) { 4018 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL); 4019 for (int userId : UserManagerService.getInstance().getUserIds()) { 4020 final int packageCount = mPackages.size(); 4021 for (int i = 0; i < packageCount; i++) { 4022 PackageParser.Package pkg = mPackages.valueAt(i); 4023 if (!(pkg.mExtras instanceof PackageSetting)) { 4024 continue; 4025 } 4026 PackageSetting ps = (PackageSetting) pkg.mExtras; 4027 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 4028 } 4029 } 4030 } 4031 } 4032 4033 @Override 4034 public int getPermissionFlags(String name, String packageName, int userId) { 4035 if (!sUserManager.exists(userId)) { 4036 return 0; 4037 } 4038 4039 enforceGrantRevokeRuntimePermissionPermissions("getPermissionFlags"); 4040 4041 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4042 true /* requireFullPermission */, false /* checkShell */, 4043 "getPermissionFlags"); 4044 4045 synchronized (mPackages) { 4046 final PackageParser.Package pkg = mPackages.get(packageName); 4047 if (pkg == null) { 4048 throw new IllegalArgumentException("Unknown package: " + packageName); 4049 } 4050 4051 final BasePermission bp = mSettings.mPermissions.get(name); 4052 if (bp == null) { 4053 throw new IllegalArgumentException("Unknown permission: " + name); 4054 } 4055 4056 SettingBase sb = (SettingBase) pkg.mExtras; 4057 if (sb == null) { 4058 throw new IllegalArgumentException("Unknown package: " + packageName); 4059 } 4060 4061 PermissionsState permissionsState = sb.getPermissionsState(); 4062 return permissionsState.getPermissionFlags(name, userId); 4063 } 4064 } 4065 4066 @Override 4067 public void updatePermissionFlags(String name, String packageName, int flagMask, 4068 int flagValues, int userId) { 4069 if (!sUserManager.exists(userId)) { 4070 return; 4071 } 4072 4073 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlags"); 4074 4075 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4076 true /* requireFullPermission */, true /* checkShell */, 4077 "updatePermissionFlags"); 4078 4079 // Only the system can change these flags and nothing else. 4080 if (getCallingUid() != Process.SYSTEM_UID) { 4081 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4082 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4083 flagMask &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4084 flagValues &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4085 flagValues &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 4086 } 4087 4088 synchronized (mPackages) { 4089 final PackageParser.Package pkg = mPackages.get(packageName); 4090 if (pkg == null) { 4091 throw new IllegalArgumentException("Unknown package: " + packageName); 4092 } 4093 4094 final BasePermission bp = mSettings.mPermissions.get(name); 4095 if (bp == null) { 4096 throw new IllegalArgumentException("Unknown permission: " + name); 4097 } 4098 4099 SettingBase sb = (SettingBase) pkg.mExtras; 4100 if (sb == null) { 4101 throw new IllegalArgumentException("Unknown package: " + packageName); 4102 } 4103 4104 PermissionsState permissionsState = sb.getPermissionsState(); 4105 4106 boolean hadState = permissionsState.getRuntimePermissionState(name, userId) != null; 4107 4108 if (permissionsState.updatePermissionFlags(bp, userId, flagMask, flagValues)) { 4109 // Install and runtime permissions are stored in different places, 4110 // so figure out what permission changed and persist the change. 4111 if (permissionsState.getInstallPermissionState(name) != null) { 4112 scheduleWriteSettingsLocked(); 4113 } else if (permissionsState.getRuntimePermissionState(name, userId) != null 4114 || hadState) { 4115 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4116 } 4117 } 4118 } 4119 } 4120 4121 /** 4122 * Update the permission flags for all packages and runtime permissions of a user in order 4123 * to allow device or profile owner to remove POLICY_FIXED. 4124 */ 4125 @Override 4126 public void updatePermissionFlagsForAllApps(int flagMask, int flagValues, int userId) { 4127 if (!sUserManager.exists(userId)) { 4128 return; 4129 } 4130 4131 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlagsForAllApps"); 4132 4133 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4134 true /* requireFullPermission */, true /* checkShell */, 4135 "updatePermissionFlagsForAllApps"); 4136 4137 // Only the system can change system fixed flags. 4138 if (getCallingUid() != Process.SYSTEM_UID) { 4139 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4140 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4141 } 4142 4143 synchronized (mPackages) { 4144 boolean changed = false; 4145 final int packageCount = mPackages.size(); 4146 for (int pkgIndex = 0; pkgIndex < packageCount; pkgIndex++) { 4147 final PackageParser.Package pkg = mPackages.valueAt(pkgIndex); 4148 SettingBase sb = (SettingBase) pkg.mExtras; 4149 if (sb == null) { 4150 continue; 4151 } 4152 PermissionsState permissionsState = sb.getPermissionsState(); 4153 changed |= permissionsState.updatePermissionFlagsForAllPermissions( 4154 userId, flagMask, flagValues); 4155 } 4156 if (changed) { 4157 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4158 } 4159 } 4160 } 4161 4162 private void enforceGrantRevokeRuntimePermissionPermissions(String message) { 4163 if (mContext.checkCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS) 4164 != PackageManager.PERMISSION_GRANTED 4165 && mContext.checkCallingOrSelfPermission(Manifest.permission.REVOKE_RUNTIME_PERMISSIONS) 4166 != PackageManager.PERMISSION_GRANTED) { 4167 throw new SecurityException(message + " requires " 4168 + Manifest.permission.GRANT_RUNTIME_PERMISSIONS + " or " 4169 + Manifest.permission.REVOKE_RUNTIME_PERMISSIONS); 4170 } 4171 } 4172 4173 @Override 4174 public boolean shouldShowRequestPermissionRationale(String permissionName, 4175 String packageName, int userId) { 4176 if (UserHandle.getCallingUserId() != userId) { 4177 mContext.enforceCallingPermission( 4178 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4179 "canShowRequestPermissionRationale for user " + userId); 4180 } 4181 4182 final int uid = getPackageUid(packageName, MATCH_DEBUG_TRIAGED_MISSING, userId); 4183 if (UserHandle.getAppId(getCallingUid()) != UserHandle.getAppId(uid)) { 4184 return false; 4185 } 4186 4187 if (checkPermission(permissionName, packageName, userId) 4188 == PackageManager.PERMISSION_GRANTED) { 4189 return false; 4190 } 4191 4192 final int flags; 4193 4194 final long identity = Binder.clearCallingIdentity(); 4195 try { 4196 flags = getPermissionFlags(permissionName, 4197 packageName, userId); 4198 } finally { 4199 Binder.restoreCallingIdentity(identity); 4200 } 4201 4202 final int fixedFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 4203 | PackageManager.FLAG_PERMISSION_POLICY_FIXED 4204 | PackageManager.FLAG_PERMISSION_USER_FIXED; 4205 4206 if ((flags & fixedFlags) != 0) { 4207 return false; 4208 } 4209 4210 return (flags & PackageManager.FLAG_PERMISSION_USER_SET) != 0; 4211 } 4212 4213 @Override 4214 public void addOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4215 mContext.enforceCallingOrSelfPermission( 4216 Manifest.permission.OBSERVE_GRANT_REVOKE_PERMISSIONS, 4217 "addOnPermissionsChangeListener"); 4218 4219 synchronized (mPackages) { 4220 mOnPermissionChangeListeners.addListenerLocked(listener); 4221 } 4222 } 4223 4224 @Override 4225 public void removeOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4226 synchronized (mPackages) { 4227 mOnPermissionChangeListeners.removeListenerLocked(listener); 4228 } 4229 } 4230 4231 @Override 4232 public boolean isProtectedBroadcast(String actionName) { 4233 synchronized (mPackages) { 4234 if (mProtectedBroadcasts.contains(actionName)) { 4235 return true; 4236 } else if (actionName != null) { 4237 // TODO: remove these terrible hacks 4238 if (actionName.startsWith("android.net.netmon.lingerExpired") 4239 || actionName.startsWith("com.android.server.sip.SipWakeupTimer") 4240 || actionName.startsWith("com.android.internal.telephony.data-reconnect") 4241 || actionName.startsWith("android.net.netmon.launchCaptivePortalApp")) { 4242 return true; 4243 } 4244 } 4245 } 4246 return false; 4247 } 4248 4249 @Override 4250 public int checkSignatures(String pkg1, String pkg2) { 4251 synchronized (mPackages) { 4252 final PackageParser.Package p1 = mPackages.get(pkg1); 4253 final PackageParser.Package p2 = mPackages.get(pkg2); 4254 if (p1 == null || p1.mExtras == null 4255 || p2 == null || p2.mExtras == null) { 4256 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4257 } 4258 return compareSignatures(p1.mSignatures, p2.mSignatures); 4259 } 4260 } 4261 4262 @Override 4263 public int checkUidSignatures(int uid1, int uid2) { 4264 // Map to base uids. 4265 uid1 = UserHandle.getAppId(uid1); 4266 uid2 = UserHandle.getAppId(uid2); 4267 // reader 4268 synchronized (mPackages) { 4269 Signature[] s1; 4270 Signature[] s2; 4271 Object obj = mSettings.getUserIdLPr(uid1); 4272 if (obj != null) { 4273 if (obj instanceof SharedUserSetting) { 4274 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 4275 } else if (obj instanceof PackageSetting) { 4276 s1 = ((PackageSetting)obj).signatures.mSignatures; 4277 } else { 4278 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4279 } 4280 } else { 4281 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4282 } 4283 obj = mSettings.getUserIdLPr(uid2); 4284 if (obj != null) { 4285 if (obj instanceof SharedUserSetting) { 4286 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 4287 } else if (obj instanceof PackageSetting) { 4288 s2 = ((PackageSetting)obj).signatures.mSignatures; 4289 } else { 4290 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4291 } 4292 } else { 4293 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4294 } 4295 return compareSignatures(s1, s2); 4296 } 4297 } 4298 4299 private void killUid(int appId, int userId, String reason) { 4300 final long identity = Binder.clearCallingIdentity(); 4301 try { 4302 IActivityManager am = ActivityManagerNative.getDefault(); 4303 if (am != null) { 4304 try { 4305 am.killUid(appId, userId, reason); 4306 } catch (RemoteException e) { 4307 /* ignore - same process */ 4308 } 4309 } 4310 } finally { 4311 Binder.restoreCallingIdentity(identity); 4312 } 4313 } 4314 4315 /** 4316 * Compares two sets of signatures. Returns: 4317 * <br /> 4318 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 4319 * <br /> 4320 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 4321 * <br /> 4322 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 4323 * <br /> 4324 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 4325 * <br /> 4326 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 4327 */ 4328 static int compareSignatures(Signature[] s1, Signature[] s2) { 4329 if (s1 == null) { 4330 return s2 == null 4331 ? PackageManager.SIGNATURE_NEITHER_SIGNED 4332 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 4333 } 4334 4335 if (s2 == null) { 4336 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 4337 } 4338 4339 if (s1.length != s2.length) { 4340 return PackageManager.SIGNATURE_NO_MATCH; 4341 } 4342 4343 // Since both signature sets are of size 1, we can compare without HashSets. 4344 if (s1.length == 1) { 4345 return s1[0].equals(s2[0]) ? 4346 PackageManager.SIGNATURE_MATCH : 4347 PackageManager.SIGNATURE_NO_MATCH; 4348 } 4349 4350 ArraySet<Signature> set1 = new ArraySet<Signature>(); 4351 for (Signature sig : s1) { 4352 set1.add(sig); 4353 } 4354 ArraySet<Signature> set2 = new ArraySet<Signature>(); 4355 for (Signature sig : s2) { 4356 set2.add(sig); 4357 } 4358 // Make sure s2 contains all signatures in s1. 4359 if (set1.equals(set2)) { 4360 return PackageManager.SIGNATURE_MATCH; 4361 } 4362 return PackageManager.SIGNATURE_NO_MATCH; 4363 } 4364 4365 /** 4366 * If the database version for this type of package (internal storage or 4367 * external storage) is less than the version where package signatures 4368 * were updated, return true. 4369 */ 4370 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4371 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4372 return ver.databaseVersion < DatabaseVersion.SIGNATURE_END_ENTITY; 4373 } 4374 4375 /** 4376 * Used for backward compatibility to make sure any packages with 4377 * certificate chains get upgraded to the new style. {@code existingSigs} 4378 * will be in the old format (since they were stored on disk from before the 4379 * system upgrade) and {@code scannedSigs} will be in the newer format. 4380 */ 4381 private int compareSignaturesCompat(PackageSignatures existingSigs, 4382 PackageParser.Package scannedPkg) { 4383 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 4384 return PackageManager.SIGNATURE_NO_MATCH; 4385 } 4386 4387 ArraySet<Signature> existingSet = new ArraySet<Signature>(); 4388 for (Signature sig : existingSigs.mSignatures) { 4389 existingSet.add(sig); 4390 } 4391 ArraySet<Signature> scannedCompatSet = new ArraySet<Signature>(); 4392 for (Signature sig : scannedPkg.mSignatures) { 4393 try { 4394 Signature[] chainSignatures = sig.getChainSignatures(); 4395 for (Signature chainSig : chainSignatures) { 4396 scannedCompatSet.add(chainSig); 4397 } 4398 } catch (CertificateEncodingException e) { 4399 scannedCompatSet.add(sig); 4400 } 4401 } 4402 /* 4403 * Make sure the expanded scanned set contains all signatures in the 4404 * existing one. 4405 */ 4406 if (scannedCompatSet.equals(existingSet)) { 4407 // Migrate the old signatures to the new scheme. 4408 existingSigs.assignSignatures(scannedPkg.mSignatures); 4409 // The new KeySets will be re-added later in the scanning process. 4410 synchronized (mPackages) { 4411 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName); 4412 } 4413 return PackageManager.SIGNATURE_MATCH; 4414 } 4415 return PackageManager.SIGNATURE_NO_MATCH; 4416 } 4417 4418 private boolean isRecoverSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4419 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4420 return ver.databaseVersion < DatabaseVersion.SIGNATURE_MALFORMED_RECOVER; 4421 } 4422 4423 private int compareSignaturesRecover(PackageSignatures existingSigs, 4424 PackageParser.Package scannedPkg) { 4425 if (!isRecoverSignatureUpdateNeeded(scannedPkg)) { 4426 return PackageManager.SIGNATURE_NO_MATCH; 4427 } 4428 4429 String msg = null; 4430 try { 4431 if (Signature.areEffectiveMatch(existingSigs.mSignatures, scannedPkg.mSignatures)) { 4432 logCriticalInfo(Log.INFO, "Recovered effectively matching certificates for " 4433 + scannedPkg.packageName); 4434 return PackageManager.SIGNATURE_MATCH; 4435 } 4436 } catch (CertificateException e) { 4437 msg = e.getMessage(); 4438 } 4439 4440 logCriticalInfo(Log.INFO, 4441 "Failed to recover certificates for " + scannedPkg.packageName + ": " + msg); 4442 return PackageManager.SIGNATURE_NO_MATCH; 4443 } 4444 4445 @Override 4446 public List<String> getAllPackages() { 4447 synchronized (mPackages) { 4448 return new ArrayList<String>(mPackages.keySet()); 4449 } 4450 } 4451 4452 @Override 4453 public String[] getPackagesForUid(int uid) { 4454 uid = UserHandle.getAppId(uid); 4455 // reader 4456 synchronized (mPackages) { 4457 Object obj = mSettings.getUserIdLPr(uid); 4458 if (obj instanceof SharedUserSetting) { 4459 final SharedUserSetting sus = (SharedUserSetting) obj; 4460 final int N = sus.packages.size(); 4461 final String[] res = new String[N]; 4462 final Iterator<PackageSetting> it = sus.packages.iterator(); 4463 int i = 0; 4464 while (it.hasNext()) { 4465 res[i++] = it.next().name; 4466 } 4467 return res; 4468 } else if (obj instanceof PackageSetting) { 4469 final PackageSetting ps = (PackageSetting) obj; 4470 return new String[] { ps.name }; 4471 } 4472 } 4473 return null; 4474 } 4475 4476 @Override 4477 public String getNameForUid(int uid) { 4478 // reader 4479 synchronized (mPackages) { 4480 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4481 if (obj instanceof SharedUserSetting) { 4482 final SharedUserSetting sus = (SharedUserSetting) obj; 4483 return sus.name + ":" + sus.userId; 4484 } else if (obj instanceof PackageSetting) { 4485 final PackageSetting ps = (PackageSetting) obj; 4486 return ps.name; 4487 } 4488 } 4489 return null; 4490 } 4491 4492 @Override 4493 public int getUidForSharedUser(String sharedUserName) { 4494 if(sharedUserName == null) { 4495 return -1; 4496 } 4497 // reader 4498 synchronized (mPackages) { 4499 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, 0, false); 4500 if (suid == null) { 4501 return -1; 4502 } 4503 return suid.userId; 4504 } 4505 } 4506 4507 @Override 4508 public int getFlagsForUid(int uid) { 4509 synchronized (mPackages) { 4510 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4511 if (obj instanceof SharedUserSetting) { 4512 final SharedUserSetting sus = (SharedUserSetting) obj; 4513 return sus.pkgFlags; 4514 } else if (obj instanceof PackageSetting) { 4515 final PackageSetting ps = (PackageSetting) obj; 4516 return ps.pkgFlags; 4517 } 4518 } 4519 return 0; 4520 } 4521 4522 @Override 4523 public int getPrivateFlagsForUid(int uid) { 4524 synchronized (mPackages) { 4525 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4526 if (obj instanceof SharedUserSetting) { 4527 final SharedUserSetting sus = (SharedUserSetting) obj; 4528 return sus.pkgPrivateFlags; 4529 } else if (obj instanceof PackageSetting) { 4530 final PackageSetting ps = (PackageSetting) obj; 4531 return ps.pkgPrivateFlags; 4532 } 4533 } 4534 return 0; 4535 } 4536 4537 @Override 4538 public boolean isUidPrivileged(int uid) { 4539 uid = UserHandle.getAppId(uid); 4540 // reader 4541 synchronized (mPackages) { 4542 Object obj = mSettings.getUserIdLPr(uid); 4543 if (obj instanceof SharedUserSetting) { 4544 final SharedUserSetting sus = (SharedUserSetting) obj; 4545 final Iterator<PackageSetting> it = sus.packages.iterator(); 4546 while (it.hasNext()) { 4547 if (it.next().isPrivileged()) { 4548 return true; 4549 } 4550 } 4551 } else if (obj instanceof PackageSetting) { 4552 final PackageSetting ps = (PackageSetting) obj; 4553 return ps.isPrivileged(); 4554 } 4555 } 4556 return false; 4557 } 4558 4559 @Override 4560 public String[] getAppOpPermissionPackages(String permissionName) { 4561 synchronized (mPackages) { 4562 ArraySet<String> pkgs = mAppOpPermissionPackages.get(permissionName); 4563 if (pkgs == null) { 4564 return null; 4565 } 4566 return pkgs.toArray(new String[pkgs.size()]); 4567 } 4568 } 4569 4570 @Override 4571 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 4572 int flags, int userId) { 4573 if (!sUserManager.exists(userId)) return null; 4574 flags = updateFlagsForResolve(flags, userId, intent); 4575 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4576 false /* requireFullPermission */, false /* checkShell */, "resolve intent"); 4577 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 4578 userId); 4579 final ResolveInfo bestChoice = 4580 chooseBestActivity(intent, resolvedType, flags, query, userId); 4581 4582 if (isEphemeralAllowed(intent, query, userId)) { 4583 final EphemeralResolveInfo ai = 4584 getEphemeralResolveInfo(intent, resolvedType, userId); 4585 if (ai != null) { 4586 if (DEBUG_EPHEMERAL) { 4587 Slog.v(TAG, "Returning an EphemeralResolveInfo"); 4588 } 4589 bestChoice.ephemeralInstaller = mEphemeralInstallerInfo; 4590 bestChoice.ephemeralResolveInfo = ai; 4591 } 4592 } 4593 return bestChoice; 4594 } 4595 4596 @Override 4597 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 4598 IntentFilter filter, int match, ComponentName activity) { 4599 final int userId = UserHandle.getCallingUserId(); 4600 if (DEBUG_PREFERRED) { 4601 Log.v(TAG, "setLastChosenActivity intent=" + intent 4602 + " resolvedType=" + resolvedType 4603 + " flags=" + flags 4604 + " filter=" + filter 4605 + " match=" + match 4606 + " activity=" + activity); 4607 filter.dump(new PrintStreamPrinter(System.out), " "); 4608 } 4609 intent.setComponent(null); 4610 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 4611 userId); 4612 // Find any earlier preferred or last chosen entries and nuke them 4613 findPreferredActivity(intent, resolvedType, 4614 flags, query, 0, false, true, false, userId); 4615 // Add the new activity as the last chosen for this filter 4616 addPreferredActivityInternal(filter, match, null, activity, false, userId, 4617 "Setting last chosen"); 4618 } 4619 4620 @Override 4621 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 4622 final int userId = UserHandle.getCallingUserId(); 4623 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 4624 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 4625 userId); 4626 return findPreferredActivity(intent, resolvedType, flags, query, 0, 4627 false, false, false, userId); 4628 } 4629 4630 4631 private boolean isEphemeralAllowed( 4632 Intent intent, List<ResolveInfo> resolvedActivites, int userId) { 4633 // Short circuit and return early if possible. 4634 if (DISABLE_EPHEMERAL_APPS) { 4635 return false; 4636 } 4637 final int callingUser = UserHandle.getCallingUserId(); 4638 if (callingUser != UserHandle.USER_SYSTEM) { 4639 return false; 4640 } 4641 if (mEphemeralResolverConnection == null) { 4642 return false; 4643 } 4644 if (intent.getComponent() != null) { 4645 return false; 4646 } 4647 if (intent.getPackage() != null) { 4648 return false; 4649 } 4650 final boolean isWebUri = hasWebURI(intent); 4651 if (!isWebUri) { 4652 return false; 4653 } 4654 // Deny ephemeral apps if the user chose _ALWAYS or _ALWAYS_ASK for intent resolution. 4655 synchronized (mPackages) { 4656 final int count = resolvedActivites.size(); 4657 for (int n = 0; n < count; n++) { 4658 ResolveInfo info = resolvedActivites.get(n); 4659 String packageName = info.activityInfo.packageName; 4660 PackageSetting ps = mSettings.mPackages.get(packageName); 4661 if (ps != null) { 4662 // Try to get the status from User settings first 4663 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 4664 int status = (int) (packedStatus >> 32); 4665 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS 4666 || status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 4667 if (DEBUG_EPHEMERAL) { 4668 Slog.v(TAG, "DENY ephemeral apps;" 4669 + " pkg: " + packageName + ", status: " + status); 4670 } 4671 return false; 4672 } 4673 } 4674 } 4675 } 4676 // We've exhausted all ways to deny ephemeral application; let the system look for them. 4677 return true; 4678 } 4679 4680 private EphemeralResolveInfo getEphemeralResolveInfo(Intent intent, String resolvedType, 4681 int userId) { 4682 MessageDigest digest = null; 4683 try { 4684 digest = MessageDigest.getInstance(EphemeralResolveInfo.SHA_ALGORITHM); 4685 } catch (NoSuchAlgorithmException e) { 4686 // If we can't create a digest, ignore ephemeral apps. 4687 return null; 4688 } 4689 4690 final byte[] hostBytes = intent.getData().getHost().getBytes(); 4691 final byte[] digestBytes = digest.digest(hostBytes); 4692 int shaPrefix = 4693 digestBytes[0] << 24 4694 | digestBytes[1] << 16 4695 | digestBytes[2] << 8 4696 | digestBytes[3] << 0; 4697 final List<EphemeralResolveInfo> ephemeralResolveInfoList = 4698 mEphemeralResolverConnection.getEphemeralResolveInfoList(shaPrefix); 4699 if (ephemeralResolveInfoList == null || ephemeralResolveInfoList.size() == 0) { 4700 // No hash prefix match; there are no ephemeral apps for this domain. 4701 return null; 4702 } 4703 for (int i = ephemeralResolveInfoList.size() - 1; i >= 0; --i) { 4704 EphemeralResolveInfo ephemeralApplication = ephemeralResolveInfoList.get(i); 4705 if (!Arrays.equals(digestBytes, ephemeralApplication.getDigestBytes())) { 4706 continue; 4707 } 4708 final List<IntentFilter> filters = ephemeralApplication.getFilters(); 4709 // No filters; this should never happen. 4710 if (filters.isEmpty()) { 4711 continue; 4712 } 4713 // We have a domain match; resolve the filters to see if anything matches. 4714 final EphemeralIntentResolver ephemeralResolver = new EphemeralIntentResolver(); 4715 for (int j = filters.size() - 1; j >= 0; --j) { 4716 final EphemeralResolveIntentInfo intentInfo = 4717 new EphemeralResolveIntentInfo(filters.get(j), ephemeralApplication); 4718 ephemeralResolver.addFilter(intentInfo); 4719 } 4720 List<EphemeralResolveInfo> matchedResolveInfoList = ephemeralResolver.queryIntent( 4721 intent, resolvedType, false /*defaultOnly*/, userId); 4722 if (!matchedResolveInfoList.isEmpty()) { 4723 return matchedResolveInfoList.get(0); 4724 } 4725 } 4726 // Hash or filter mis-match; no ephemeral apps for this domain. 4727 return null; 4728 } 4729 4730 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 4731 int flags, List<ResolveInfo> query, int userId) { 4732 if (query != null) { 4733 final int N = query.size(); 4734 if (N == 1) { 4735 return query.get(0); 4736 } else if (N > 1) { 4737 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 4738 // If there is more than one activity with the same priority, 4739 // then let the user decide between them. 4740 ResolveInfo r0 = query.get(0); 4741 ResolveInfo r1 = query.get(1); 4742 if (DEBUG_INTENT_MATCHING || debug) { 4743 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 4744 + r1.activityInfo.name + "=" + r1.priority); 4745 } 4746 // If the first activity has a higher priority, or a different 4747 // default, then it is always desirable to pick it. 4748 if (r0.priority != r1.priority 4749 || r0.preferredOrder != r1.preferredOrder 4750 || r0.isDefault != r1.isDefault) { 4751 return query.get(0); 4752 } 4753 // If we have saved a preference for a preferred activity for 4754 // this Intent, use that. 4755 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 4756 flags, query, r0.priority, true, false, debug, userId); 4757 if (ri != null) { 4758 return ri; 4759 } 4760 ri = new ResolveInfo(mResolveInfo); 4761 ri.activityInfo = new ActivityInfo(ri.activityInfo); 4762 ri.activityInfo.applicationInfo = new ApplicationInfo( 4763 ri.activityInfo.applicationInfo); 4764 if (userId != 0) { 4765 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 4766 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 4767 } 4768 // Make sure that the resolver is displayable in car mode 4769 if (ri.activityInfo.metaData == null) ri.activityInfo.metaData = new Bundle(); 4770 ri.activityInfo.metaData.putBoolean(Intent.METADATA_DOCK_HOME, true); 4771 return ri; 4772 } 4773 } 4774 return null; 4775 } 4776 4777 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 4778 int flags, List<ResolveInfo> query, boolean debug, int userId) { 4779 final int N = query.size(); 4780 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 4781 .get(userId); 4782 // Get the list of persistent preferred activities that handle the intent 4783 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 4784 List<PersistentPreferredActivity> pprefs = ppir != null 4785 ? ppir.queryIntent(intent, resolvedType, 4786 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 4787 : null; 4788 if (pprefs != null && pprefs.size() > 0) { 4789 final int M = pprefs.size(); 4790 for (int i=0; i<M; i++) { 4791 final PersistentPreferredActivity ppa = pprefs.get(i); 4792 if (DEBUG_PREFERRED || debug) { 4793 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 4794 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 4795 + "\n component=" + ppa.mComponent); 4796 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4797 } 4798 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 4799 flags | MATCH_DISABLED_COMPONENTS, userId); 4800 if (DEBUG_PREFERRED || debug) { 4801 Slog.v(TAG, "Found persistent preferred activity:"); 4802 if (ai != null) { 4803 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4804 } else { 4805 Slog.v(TAG, " null"); 4806 } 4807 } 4808 if (ai == null) { 4809 // This previously registered persistent preferred activity 4810 // component is no longer known. Ignore it and do NOT remove it. 4811 continue; 4812 } 4813 for (int j=0; j<N; j++) { 4814 final ResolveInfo ri = query.get(j); 4815 if (!ri.activityInfo.applicationInfo.packageName 4816 .equals(ai.applicationInfo.packageName)) { 4817 continue; 4818 } 4819 if (!ri.activityInfo.name.equals(ai.name)) { 4820 continue; 4821 } 4822 // Found a persistent preference that can handle the intent. 4823 if (DEBUG_PREFERRED || debug) { 4824 Slog.v(TAG, "Returning persistent preferred activity: " + 4825 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 4826 } 4827 return ri; 4828 } 4829 } 4830 } 4831 return null; 4832 } 4833 4834 // TODO: handle preferred activities missing while user has amnesia 4835 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 4836 List<ResolveInfo> query, int priority, boolean always, 4837 boolean removeMatches, boolean debug, int userId) { 4838 if (!sUserManager.exists(userId)) return null; 4839 flags = updateFlagsForResolve(flags, userId, intent); 4840 // writer 4841 synchronized (mPackages) { 4842 if (intent.getSelector() != null) { 4843 intent = intent.getSelector(); 4844 } 4845 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 4846 4847 // Try to find a matching persistent preferred activity. 4848 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 4849 debug, userId); 4850 4851 // If a persistent preferred activity matched, use it. 4852 if (pri != null) { 4853 return pri; 4854 } 4855 4856 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 4857 // Get the list of preferred activities that handle the intent 4858 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 4859 List<PreferredActivity> prefs = pir != null 4860 ? pir.queryIntent(intent, resolvedType, 4861 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 4862 : null; 4863 if (prefs != null && prefs.size() > 0) { 4864 boolean changed = false; 4865 try { 4866 // First figure out how good the original match set is. 4867 // We will only allow preferred activities that came 4868 // from the same match quality. 4869 int match = 0; 4870 4871 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 4872 4873 final int N = query.size(); 4874 for (int j=0; j<N; j++) { 4875 final ResolveInfo ri = query.get(j); 4876 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 4877 + ": 0x" + Integer.toHexString(match)); 4878 if (ri.match > match) { 4879 match = ri.match; 4880 } 4881 } 4882 4883 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 4884 + Integer.toHexString(match)); 4885 4886 match &= IntentFilter.MATCH_CATEGORY_MASK; 4887 final int M = prefs.size(); 4888 for (int i=0; i<M; i++) { 4889 final PreferredActivity pa = prefs.get(i); 4890 if (DEBUG_PREFERRED || debug) { 4891 Slog.v(TAG, "Checking PreferredActivity ds=" 4892 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 4893 + "\n component=" + pa.mPref.mComponent); 4894 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4895 } 4896 if (pa.mPref.mMatch != match) { 4897 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 4898 + Integer.toHexString(pa.mPref.mMatch)); 4899 continue; 4900 } 4901 // If it's not an "always" type preferred activity and that's what we're 4902 // looking for, skip it. 4903 if (always && !pa.mPref.mAlways) { 4904 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 4905 continue; 4906 } 4907 final ActivityInfo ai = getActivityInfo(pa.mPref.mComponent, 4908 flags | MATCH_DISABLED_COMPONENTS, userId); 4909 if (DEBUG_PREFERRED || debug) { 4910 Slog.v(TAG, "Found preferred activity:"); 4911 if (ai != null) { 4912 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4913 } else { 4914 Slog.v(TAG, " null"); 4915 } 4916 } 4917 if (ai == null) { 4918 // This previously registered preferred activity 4919 // component is no longer known. Most likely an update 4920 // to the app was installed and in the new version this 4921 // component no longer exists. Clean it up by removing 4922 // it from the preferred activities list, and skip it. 4923 Slog.w(TAG, "Removing dangling preferred activity: " 4924 + pa.mPref.mComponent); 4925 pir.removeFilter(pa); 4926 changed = true; 4927 continue; 4928 } 4929 for (int j=0; j<N; j++) { 4930 final ResolveInfo ri = query.get(j); 4931 if (!ri.activityInfo.applicationInfo.packageName 4932 .equals(ai.applicationInfo.packageName)) { 4933 continue; 4934 } 4935 if (!ri.activityInfo.name.equals(ai.name)) { 4936 continue; 4937 } 4938 4939 if (removeMatches) { 4940 pir.removeFilter(pa); 4941 changed = true; 4942 if (DEBUG_PREFERRED) { 4943 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 4944 } 4945 break; 4946 } 4947 4948 // Okay we found a previously set preferred or last chosen app. 4949 // If the result set is different from when this 4950 // was created, we need to clear it and re-ask the 4951 // user their preference, if we're looking for an "always" type entry. 4952 if (always && !pa.mPref.sameSet(query)) { 4953 Slog.i(TAG, "Result set changed, dropping preferred activity for " 4954 + intent + " type " + resolvedType); 4955 if (DEBUG_PREFERRED) { 4956 Slog.v(TAG, "Removing preferred activity since set changed " 4957 + pa.mPref.mComponent); 4958 } 4959 pir.removeFilter(pa); 4960 // Re-add the filter as a "last chosen" entry (!always) 4961 PreferredActivity lastChosen = new PreferredActivity( 4962 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 4963 pir.addFilter(lastChosen); 4964 changed = true; 4965 return null; 4966 } 4967 4968 // Yay! Either the set matched or we're looking for the last chosen 4969 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 4970 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 4971 return ri; 4972 } 4973 } 4974 } finally { 4975 if (changed) { 4976 if (DEBUG_PREFERRED) { 4977 Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions"); 4978 } 4979 scheduleWritePackageRestrictionsLocked(userId); 4980 } 4981 } 4982 } 4983 } 4984 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 4985 return null; 4986 } 4987 4988 /* 4989 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 4990 */ 4991 @Override 4992 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 4993 int targetUserId) { 4994 mContext.enforceCallingOrSelfPermission( 4995 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 4996 List<CrossProfileIntentFilter> matches = 4997 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 4998 if (matches != null) { 4999 int size = matches.size(); 5000 for (int i = 0; i < size; i++) { 5001 if (matches.get(i).getTargetUserId() == targetUserId) return true; 5002 } 5003 } 5004 if (hasWebURI(intent)) { 5005 // cross-profile app linking works only towards the parent. 5006 final UserInfo parent = getProfileParent(sourceUserId); 5007 synchronized(mPackages) { 5008 int flags = updateFlagsForResolve(0, parent.id, intent); 5009 CrossProfileDomainInfo xpDomainInfo = getCrossProfileDomainPreferredLpr( 5010 intent, resolvedType, flags, sourceUserId, parent.id); 5011 return xpDomainInfo != null; 5012 } 5013 } 5014 return false; 5015 } 5016 5017 private UserInfo getProfileParent(int userId) { 5018 final long identity = Binder.clearCallingIdentity(); 5019 try { 5020 return sUserManager.getProfileParent(userId); 5021 } finally { 5022 Binder.restoreCallingIdentity(identity); 5023 } 5024 } 5025 5026 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 5027 String resolvedType, int userId) { 5028 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 5029 if (resolver != null) { 5030 return resolver.queryIntent(intent, resolvedType, false, userId); 5031 } 5032 return null; 5033 } 5034 5035 @Override 5036 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivities(Intent intent, 5037 String resolvedType, int flags, int userId) { 5038 return new ParceledListSlice<>( 5039 queryIntentActivitiesInternal(intent, resolvedType, flags, userId)); 5040 } 5041 5042 private @NonNull List<ResolveInfo> queryIntentActivitiesInternal(Intent intent, 5043 String resolvedType, int flags, int userId) { 5044 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5045 flags = updateFlagsForResolve(flags, userId, intent); 5046 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5047 false /* requireFullPermission */, false /* checkShell */, 5048 "query intent activities"); 5049 ComponentName comp = intent.getComponent(); 5050 if (comp == null) { 5051 if (intent.getSelector() != null) { 5052 intent = intent.getSelector(); 5053 comp = intent.getComponent(); 5054 } 5055 } 5056 5057 if (comp != null) { 5058 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5059 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 5060 if (ai != null) { 5061 final ResolveInfo ri = new ResolveInfo(); 5062 ri.activityInfo = ai; 5063 list.add(ri); 5064 } 5065 return list; 5066 } 5067 5068 // reader 5069 synchronized (mPackages) { 5070 final String pkgName = intent.getPackage(); 5071 if (pkgName == null) { 5072 List<CrossProfileIntentFilter> matchingFilters = 5073 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 5074 // Check for results that need to skip the current profile. 5075 ResolveInfo xpResolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 5076 resolvedType, flags, userId); 5077 if (xpResolveInfo != null) { 5078 List<ResolveInfo> result = new ArrayList<ResolveInfo>(1); 5079 result.add(xpResolveInfo); 5080 return filterIfNotSystemUser(result, userId); 5081 } 5082 5083 // Check for results in the current profile. 5084 List<ResolveInfo> result = mActivities.queryIntent( 5085 intent, resolvedType, flags, userId); 5086 result = filterIfNotSystemUser(result, userId); 5087 5088 // Check for cross profile results. 5089 boolean hasNonNegativePriorityResult = hasNonNegativePriority(result); 5090 xpResolveInfo = queryCrossProfileIntents( 5091 matchingFilters, intent, resolvedType, flags, userId, 5092 hasNonNegativePriorityResult); 5093 if (xpResolveInfo != null && isUserEnabled(xpResolveInfo.targetUserId)) { 5094 boolean isVisibleToUser = filterIfNotSystemUser( 5095 Collections.singletonList(xpResolveInfo), userId).size() > 0; 5096 if (isVisibleToUser) { 5097 result.add(xpResolveInfo); 5098 Collections.sort(result, mResolvePrioritySorter); 5099 } 5100 } 5101 if (hasWebURI(intent)) { 5102 CrossProfileDomainInfo xpDomainInfo = null; 5103 final UserInfo parent = getProfileParent(userId); 5104 if (parent != null) { 5105 xpDomainInfo = getCrossProfileDomainPreferredLpr(intent, resolvedType, 5106 flags, userId, parent.id); 5107 } 5108 if (xpDomainInfo != null) { 5109 if (xpResolveInfo != null) { 5110 // If we didn't remove it, the cross-profile ResolveInfo would be twice 5111 // in the result. 5112 result.remove(xpResolveInfo); 5113 } 5114 if (result.size() == 0) { 5115 result.add(xpDomainInfo.resolveInfo); 5116 return result; 5117 } 5118 } else if (result.size() <= 1) { 5119 return result; 5120 } 5121 result = filterCandidatesWithDomainPreferredActivitiesLPr(intent, flags, result, 5122 xpDomainInfo, userId); 5123 Collections.sort(result, mResolvePrioritySorter); 5124 } 5125 return result; 5126 } 5127 final PackageParser.Package pkg = mPackages.get(pkgName); 5128 if (pkg != null) { 5129 return filterIfNotSystemUser( 5130 mActivities.queryIntentForPackage( 5131 intent, resolvedType, flags, pkg.activities, userId), 5132 userId); 5133 } 5134 return new ArrayList<ResolveInfo>(); 5135 } 5136 } 5137 5138 private static class CrossProfileDomainInfo { 5139 /* ResolveInfo for IntentForwarderActivity to send the intent to the other profile */ 5140 ResolveInfo resolveInfo; 5141 /* Best domain verification status of the activities found in the other profile */ 5142 int bestDomainVerificationStatus; 5143 } 5144 5145 private CrossProfileDomainInfo getCrossProfileDomainPreferredLpr(Intent intent, 5146 String resolvedType, int flags, int sourceUserId, int parentUserId) { 5147 if (!sUserManager.hasUserRestriction(UserManager.ALLOW_PARENT_PROFILE_APP_LINKING, 5148 sourceUserId)) { 5149 return null; 5150 } 5151 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5152 resolvedType, flags, parentUserId); 5153 5154 if (resultTargetUser == null || resultTargetUser.isEmpty()) { 5155 return null; 5156 } 5157 CrossProfileDomainInfo result = null; 5158 int size = resultTargetUser.size(); 5159 for (int i = 0; i < size; i++) { 5160 ResolveInfo riTargetUser = resultTargetUser.get(i); 5161 // Intent filter verification is only for filters that specify a host. So don't return 5162 // those that handle all web uris. 5163 if (riTargetUser.handleAllWebDataURI) { 5164 continue; 5165 } 5166 String packageName = riTargetUser.activityInfo.packageName; 5167 PackageSetting ps = mSettings.mPackages.get(packageName); 5168 if (ps == null) { 5169 continue; 5170 } 5171 long verificationState = getDomainVerificationStatusLPr(ps, parentUserId); 5172 int status = (int)(verificationState >> 32); 5173 if (result == null) { 5174 result = new CrossProfileDomainInfo(); 5175 result.resolveInfo = createForwardingResolveInfoUnchecked(new IntentFilter(), 5176 sourceUserId, parentUserId); 5177 result.bestDomainVerificationStatus = status; 5178 } else { 5179 result.bestDomainVerificationStatus = bestDomainVerificationStatus(status, 5180 result.bestDomainVerificationStatus); 5181 } 5182 } 5183 // Don't consider matches with status NEVER across profiles. 5184 if (result != null && result.bestDomainVerificationStatus 5185 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5186 return null; 5187 } 5188 return result; 5189 } 5190 5191 /** 5192 * Verification statuses are ordered from the worse to the best, except for 5193 * INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER, which is the worse. 5194 */ 5195 private int bestDomainVerificationStatus(int status1, int status2) { 5196 if (status1 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5197 return status2; 5198 } 5199 if (status2 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5200 return status1; 5201 } 5202 return (int) MathUtils.max(status1, status2); 5203 } 5204 5205 private boolean isUserEnabled(int userId) { 5206 long callingId = Binder.clearCallingIdentity(); 5207 try { 5208 UserInfo userInfo = sUserManager.getUserInfo(userId); 5209 return userInfo != null && userInfo.isEnabled(); 5210 } finally { 5211 Binder.restoreCallingIdentity(callingId); 5212 } 5213 } 5214 5215 /** 5216 * Filter out activities with systemUserOnly flag set, when current user is not System. 5217 * 5218 * @return filtered list 5219 */ 5220 private List<ResolveInfo> filterIfNotSystemUser(List<ResolveInfo> resolveInfos, int userId) { 5221 if (userId == UserHandle.USER_SYSTEM) { 5222 return resolveInfos; 5223 } 5224 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 5225 ResolveInfo info = resolveInfos.get(i); 5226 if ((info.activityInfo.flags & ActivityInfo.FLAG_SYSTEM_USER_ONLY) != 0) { 5227 resolveInfos.remove(i); 5228 } 5229 } 5230 return resolveInfos; 5231 } 5232 5233 /** 5234 * @param resolveInfos list of resolve infos in descending priority order 5235 * @return if the list contains a resolve info with non-negative priority 5236 */ 5237 private boolean hasNonNegativePriority(List<ResolveInfo> resolveInfos) { 5238 return resolveInfos.size() > 0 && resolveInfos.get(0).priority >= 0; 5239 } 5240 5241 private static boolean hasWebURI(Intent intent) { 5242 if (intent.getData() == null) { 5243 return false; 5244 } 5245 final String scheme = intent.getScheme(); 5246 if (TextUtils.isEmpty(scheme)) { 5247 return false; 5248 } 5249 return scheme.equals(IntentFilter.SCHEME_HTTP) || scheme.equals(IntentFilter.SCHEME_HTTPS); 5250 } 5251 5252 private List<ResolveInfo> filterCandidatesWithDomainPreferredActivitiesLPr(Intent intent, 5253 int matchFlags, List<ResolveInfo> candidates, CrossProfileDomainInfo xpDomainInfo, 5254 int userId) { 5255 final boolean debug = (intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0; 5256 5257 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5258 Slog.v(TAG, "Filtering results with preferred activities. Candidates count: " + 5259 candidates.size()); 5260 } 5261 5262 ArrayList<ResolveInfo> result = new ArrayList<ResolveInfo>(); 5263 ArrayList<ResolveInfo> alwaysList = new ArrayList<ResolveInfo>(); 5264 ArrayList<ResolveInfo> undefinedList = new ArrayList<ResolveInfo>(); 5265 ArrayList<ResolveInfo> alwaysAskList = new ArrayList<ResolveInfo>(); 5266 ArrayList<ResolveInfo> neverList = new ArrayList<ResolveInfo>(); 5267 ArrayList<ResolveInfo> matchAllList = new ArrayList<ResolveInfo>(); 5268 5269 synchronized (mPackages) { 5270 final int count = candidates.size(); 5271 // First, try to use linked apps. Partition the candidates into four lists: 5272 // one for the final results, one for the "do not use ever", one for "undefined status" 5273 // and finally one for "browser app type". 5274 for (int n=0; n<count; n++) { 5275 ResolveInfo info = candidates.get(n); 5276 String packageName = info.activityInfo.packageName; 5277 PackageSetting ps = mSettings.mPackages.get(packageName); 5278 if (ps != null) { 5279 // Add to the special match all list (Browser use case) 5280 if (info.handleAllWebDataURI) { 5281 matchAllList.add(info); 5282 continue; 5283 } 5284 // Try to get the status from User settings first 5285 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 5286 int status = (int)(packedStatus >> 32); 5287 int linkGeneration = (int)(packedStatus & 0xFFFFFFFF); 5288 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS) { 5289 if (DEBUG_DOMAIN_VERIFICATION) { 5290 Slog.i(TAG, " + always: " + info.activityInfo.packageName 5291 + " : linkgen=" + linkGeneration); 5292 } 5293 // Use link-enabled generation as preferredOrder, i.e. 5294 // prefer newly-enabled over earlier-enabled. 5295 info.preferredOrder = linkGeneration; 5296 alwaysList.add(info); 5297 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5298 if (DEBUG_DOMAIN_VERIFICATION) { 5299 Slog.i(TAG, " + never: " + info.activityInfo.packageName); 5300 } 5301 neverList.add(info); 5302 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 5303 if (DEBUG_DOMAIN_VERIFICATION) { 5304 Slog.i(TAG, " + always-ask: " + info.activityInfo.packageName); 5305 } 5306 alwaysAskList.add(info); 5307 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED || 5308 status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK) { 5309 if (DEBUG_DOMAIN_VERIFICATION) { 5310 Slog.i(TAG, " + ask: " + info.activityInfo.packageName); 5311 } 5312 undefinedList.add(info); 5313 } 5314 } 5315 } 5316 5317 // We'll want to include browser possibilities in a few cases 5318 boolean includeBrowser = false; 5319 5320 // First try to add the "always" resolution(s) for the current user, if any 5321 if (alwaysList.size() > 0) { 5322 result.addAll(alwaysList); 5323 } else { 5324 // Add all undefined apps as we want them to appear in the disambiguation dialog. 5325 result.addAll(undefinedList); 5326 // Maybe add one for the other profile. 5327 if (xpDomainInfo != null && ( 5328 xpDomainInfo.bestDomainVerificationStatus 5329 != INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER)) { 5330 result.add(xpDomainInfo.resolveInfo); 5331 } 5332 includeBrowser = true; 5333 } 5334 5335 // The presence of any 'always ask' alternatives means we'll also offer browsers. 5336 // If there were 'always' entries their preferred order has been set, so we also 5337 // back that off to make the alternatives equivalent 5338 if (alwaysAskList.size() > 0) { 5339 for (ResolveInfo i : result) { 5340 i.preferredOrder = 0; 5341 } 5342 result.addAll(alwaysAskList); 5343 includeBrowser = true; 5344 } 5345 5346 if (includeBrowser) { 5347 // Also add browsers (all of them or only the default one) 5348 if (DEBUG_DOMAIN_VERIFICATION) { 5349 Slog.v(TAG, " ...including browsers in candidate set"); 5350 } 5351 if ((matchFlags & MATCH_ALL) != 0) { 5352 result.addAll(matchAllList); 5353 } else { 5354 // Browser/generic handling case. If there's a default browser, go straight 5355 // to that (but only if there is no other higher-priority match). 5356 final String defaultBrowserPackageName = getDefaultBrowserPackageName(userId); 5357 int maxMatchPrio = 0; 5358 ResolveInfo defaultBrowserMatch = null; 5359 final int numCandidates = matchAllList.size(); 5360 for (int n = 0; n < numCandidates; n++) { 5361 ResolveInfo info = matchAllList.get(n); 5362 // track the highest overall match priority... 5363 if (info.priority > maxMatchPrio) { 5364 maxMatchPrio = info.priority; 5365 } 5366 // ...and the highest-priority default browser match 5367 if (info.activityInfo.packageName.equals(defaultBrowserPackageName)) { 5368 if (defaultBrowserMatch == null 5369 || (defaultBrowserMatch.priority < info.priority)) { 5370 if (debug) { 5371 Slog.v(TAG, "Considering default browser match " + info); 5372 } 5373 defaultBrowserMatch = info; 5374 } 5375 } 5376 } 5377 if (defaultBrowserMatch != null 5378 && defaultBrowserMatch.priority >= maxMatchPrio 5379 && !TextUtils.isEmpty(defaultBrowserPackageName)) 5380 { 5381 if (debug) { 5382 Slog.v(TAG, "Default browser match " + defaultBrowserMatch); 5383 } 5384 result.add(defaultBrowserMatch); 5385 } else { 5386 result.addAll(matchAllList); 5387 } 5388 } 5389 5390 // If there is nothing selected, add all candidates and remove the ones that the user 5391 // has explicitly put into the INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER state 5392 if (result.size() == 0) { 5393 result.addAll(candidates); 5394 result.removeAll(neverList); 5395 } 5396 } 5397 } 5398 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5399 Slog.v(TAG, "Filtered results with preferred activities. New candidates count: " + 5400 result.size()); 5401 for (ResolveInfo info : result) { 5402 Slog.v(TAG, " + " + info.activityInfo); 5403 } 5404 } 5405 return result; 5406 } 5407 5408 // Returns a packed value as a long: 5409 // 5410 // high 'int'-sized word: link status: undefined/ask/never/always. 5411 // low 'int'-sized word: relative priority among 'always' results. 5412 private long getDomainVerificationStatusLPr(PackageSetting ps, int userId) { 5413 long result = ps.getDomainVerificationStatusForUser(userId); 5414 // if none available, get the master status 5415 if (result >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 5416 if (ps.getIntentFilterVerificationInfo() != null) { 5417 result = ((long)ps.getIntentFilterVerificationInfo().getStatus()) << 32; 5418 } 5419 } 5420 return result; 5421 } 5422 5423 private ResolveInfo querySkipCurrentProfileIntents( 5424 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5425 int flags, int sourceUserId) { 5426 if (matchingFilters != null) { 5427 int size = matchingFilters.size(); 5428 for (int i = 0; i < size; i ++) { 5429 CrossProfileIntentFilter filter = matchingFilters.get(i); 5430 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 5431 // Checking if there are activities in the target user that can handle the 5432 // intent. 5433 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5434 resolvedType, flags, sourceUserId); 5435 if (resolveInfo != null) { 5436 return resolveInfo; 5437 } 5438 } 5439 } 5440 } 5441 return null; 5442 } 5443 5444 // Return matching ResolveInfo in target user if any. 5445 private ResolveInfo queryCrossProfileIntents( 5446 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5447 int flags, int sourceUserId, boolean matchInCurrentProfile) { 5448 if (matchingFilters != null) { 5449 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 5450 // match the same intent. For performance reasons, it is better not to 5451 // run queryIntent twice for the same userId 5452 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 5453 int size = matchingFilters.size(); 5454 for (int i = 0; i < size; i++) { 5455 CrossProfileIntentFilter filter = matchingFilters.get(i); 5456 int targetUserId = filter.getTargetUserId(); 5457 boolean skipCurrentProfile = 5458 (filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0; 5459 boolean skipCurrentProfileIfNoMatchFound = 5460 (filter.getFlags() & PackageManager.ONLY_IF_NO_MATCH_FOUND) != 0; 5461 if (!skipCurrentProfile && !alreadyTriedUserIds.get(targetUserId) 5462 && (!skipCurrentProfileIfNoMatchFound || !matchInCurrentProfile)) { 5463 // Checking if there are activities in the target user that can handle the 5464 // intent. 5465 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5466 resolvedType, flags, sourceUserId); 5467 if (resolveInfo != null) return resolveInfo; 5468 alreadyTriedUserIds.put(targetUserId, true); 5469 } 5470 } 5471 } 5472 return null; 5473 } 5474 5475 /** 5476 * If the filter's target user can handle the intent and is enabled: returns a ResolveInfo that 5477 * will forward the intent to the filter's target user. 5478 * Otherwise, returns null. 5479 */ 5480 private ResolveInfo createForwardingResolveInfo(CrossProfileIntentFilter filter, Intent intent, 5481 String resolvedType, int flags, int sourceUserId) { 5482 int targetUserId = filter.getTargetUserId(); 5483 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5484 resolvedType, flags, targetUserId); 5485 if (resultTargetUser != null && isUserEnabled(targetUserId)) { 5486 // If all the matches in the target profile are suspended, return null. 5487 for (int i = resultTargetUser.size() - 1; i >= 0; i--) { 5488 if ((resultTargetUser.get(i).activityInfo.applicationInfo.flags 5489 & ApplicationInfo.FLAG_SUSPENDED) == 0) { 5490 return createForwardingResolveInfoUnchecked(filter, sourceUserId, 5491 targetUserId); 5492 } 5493 } 5494 } 5495 return null; 5496 } 5497 5498 private ResolveInfo createForwardingResolveInfoUnchecked(IntentFilter filter, 5499 int sourceUserId, int targetUserId) { 5500 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 5501 long ident = Binder.clearCallingIdentity(); 5502 boolean targetIsProfile; 5503 try { 5504 targetIsProfile = sUserManager.getUserInfo(targetUserId).isManagedProfile(); 5505 } finally { 5506 Binder.restoreCallingIdentity(ident); 5507 } 5508 String className; 5509 if (targetIsProfile) { 5510 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 5511 } else { 5512 className = FORWARD_INTENT_TO_PARENT; 5513 } 5514 ComponentName forwardingActivityComponentName = new ComponentName( 5515 mAndroidApplication.packageName, className); 5516 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 5517 sourceUserId); 5518 if (!targetIsProfile) { 5519 forwardingActivityInfo.showUserIcon = targetUserId; 5520 forwardingResolveInfo.noResourceId = true; 5521 } 5522 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 5523 forwardingResolveInfo.priority = 0; 5524 forwardingResolveInfo.preferredOrder = 0; 5525 forwardingResolveInfo.match = 0; 5526 forwardingResolveInfo.isDefault = true; 5527 forwardingResolveInfo.filter = filter; 5528 forwardingResolveInfo.targetUserId = targetUserId; 5529 return forwardingResolveInfo; 5530 } 5531 5532 @Override 5533 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 5534 Intent[] specifics, String[] specificTypes, Intent intent, 5535 String resolvedType, int flags, int userId) { 5536 return new ParceledListSlice<>(queryIntentActivityOptionsInternal(caller, specifics, 5537 specificTypes, intent, resolvedType, flags, userId)); 5538 } 5539 5540 private @NonNull List<ResolveInfo> queryIntentActivityOptionsInternal(ComponentName caller, 5541 Intent[] specifics, String[] specificTypes, Intent intent, 5542 String resolvedType, int flags, int userId) { 5543 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5544 flags = updateFlagsForResolve(flags, userId, intent); 5545 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5546 false /* requireFullPermission */, false /* checkShell */, 5547 "query intent activity options"); 5548 final String resultsAction = intent.getAction(); 5549 5550 final List<ResolveInfo> results = queryIntentActivitiesInternal(intent, resolvedType, flags 5551 | PackageManager.GET_RESOLVED_FILTER, userId); 5552 5553 if (DEBUG_INTENT_MATCHING) { 5554 Log.v(TAG, "Query " + intent + ": " + results); 5555 } 5556 5557 int specificsPos = 0; 5558 int N; 5559 5560 // todo: note that the algorithm used here is O(N^2). This 5561 // isn't a problem in our current environment, but if we start running 5562 // into situations where we have more than 5 or 10 matches then this 5563 // should probably be changed to something smarter... 5564 5565 // First we go through and resolve each of the specific items 5566 // that were supplied, taking care of removing any corresponding 5567 // duplicate items in the generic resolve list. 5568 if (specifics != null) { 5569 for (int i=0; i<specifics.length; i++) { 5570 final Intent sintent = specifics[i]; 5571 if (sintent == null) { 5572 continue; 5573 } 5574 5575 if (DEBUG_INTENT_MATCHING) { 5576 Log.v(TAG, "Specific #" + i + ": " + sintent); 5577 } 5578 5579 String action = sintent.getAction(); 5580 if (resultsAction != null && resultsAction.equals(action)) { 5581 // If this action was explicitly requested, then don't 5582 // remove things that have it. 5583 action = null; 5584 } 5585 5586 ResolveInfo ri = null; 5587 ActivityInfo ai = null; 5588 5589 ComponentName comp = sintent.getComponent(); 5590 if (comp == null) { 5591 ri = resolveIntent( 5592 sintent, 5593 specificTypes != null ? specificTypes[i] : null, 5594 flags, userId); 5595 if (ri == null) { 5596 continue; 5597 } 5598 if (ri == mResolveInfo) { 5599 // ACK! Must do something better with this. 5600 } 5601 ai = ri.activityInfo; 5602 comp = new ComponentName(ai.applicationInfo.packageName, 5603 ai.name); 5604 } else { 5605 ai = getActivityInfo(comp, flags, userId); 5606 if (ai == null) { 5607 continue; 5608 } 5609 } 5610 5611 // Look for any generic query activities that are duplicates 5612 // of this specific one, and remove them from the results. 5613 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 5614 N = results.size(); 5615 int j; 5616 for (j=specificsPos; j<N; j++) { 5617 ResolveInfo sri = results.get(j); 5618 if ((sri.activityInfo.name.equals(comp.getClassName()) 5619 && sri.activityInfo.applicationInfo.packageName.equals( 5620 comp.getPackageName())) 5621 || (action != null && sri.filter.matchAction(action))) { 5622 results.remove(j); 5623 if (DEBUG_INTENT_MATCHING) Log.v( 5624 TAG, "Removing duplicate item from " + j 5625 + " due to specific " + specificsPos); 5626 if (ri == null) { 5627 ri = sri; 5628 } 5629 j--; 5630 N--; 5631 } 5632 } 5633 5634 // Add this specific item to its proper place. 5635 if (ri == null) { 5636 ri = new ResolveInfo(); 5637 ri.activityInfo = ai; 5638 } 5639 results.add(specificsPos, ri); 5640 ri.specificIndex = i; 5641 specificsPos++; 5642 } 5643 } 5644 5645 // Now we go through the remaining generic results and remove any 5646 // duplicate actions that are found here. 5647 N = results.size(); 5648 for (int i=specificsPos; i<N-1; i++) { 5649 final ResolveInfo rii = results.get(i); 5650 if (rii.filter == null) { 5651 continue; 5652 } 5653 5654 // Iterate over all of the actions of this result's intent 5655 // filter... typically this should be just one. 5656 final Iterator<String> it = rii.filter.actionsIterator(); 5657 if (it == null) { 5658 continue; 5659 } 5660 while (it.hasNext()) { 5661 final String action = it.next(); 5662 if (resultsAction != null && resultsAction.equals(action)) { 5663 // If this action was explicitly requested, then don't 5664 // remove things that have it. 5665 continue; 5666 } 5667 for (int j=i+1; j<N; j++) { 5668 final ResolveInfo rij = results.get(j); 5669 if (rij.filter != null && rij.filter.hasAction(action)) { 5670 results.remove(j); 5671 if (DEBUG_INTENT_MATCHING) Log.v( 5672 TAG, "Removing duplicate item from " + j 5673 + " due to action " + action + " at " + i); 5674 j--; 5675 N--; 5676 } 5677 } 5678 } 5679 5680 // If the caller didn't request filter information, drop it now 5681 // so we don't have to marshall/unmarshall it. 5682 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 5683 rii.filter = null; 5684 } 5685 } 5686 5687 // Filter out the caller activity if so requested. 5688 if (caller != null) { 5689 N = results.size(); 5690 for (int i=0; i<N; i++) { 5691 ActivityInfo ainfo = results.get(i).activityInfo; 5692 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 5693 && caller.getClassName().equals(ainfo.name)) { 5694 results.remove(i); 5695 break; 5696 } 5697 } 5698 } 5699 5700 // If the caller didn't request filter information, 5701 // drop them now so we don't have to 5702 // marshall/unmarshall it. 5703 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 5704 N = results.size(); 5705 for (int i=0; i<N; i++) { 5706 results.get(i).filter = null; 5707 } 5708 } 5709 5710 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 5711 return results; 5712 } 5713 5714 @Override 5715 public @NonNull ParceledListSlice<ResolveInfo> queryIntentReceivers(Intent intent, 5716 String resolvedType, int flags, int userId) { 5717 return new ParceledListSlice<>( 5718 queryIntentReceiversInternal(intent, resolvedType, flags, userId)); 5719 } 5720 5721 private @NonNull List<ResolveInfo> queryIntentReceiversInternal(Intent intent, 5722 String resolvedType, int flags, int userId) { 5723 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5724 flags = updateFlagsForResolve(flags, userId, intent); 5725 ComponentName comp = intent.getComponent(); 5726 if (comp == null) { 5727 if (intent.getSelector() != null) { 5728 intent = intent.getSelector(); 5729 comp = intent.getComponent(); 5730 } 5731 } 5732 if (comp != null) { 5733 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5734 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 5735 if (ai != null) { 5736 ResolveInfo ri = new ResolveInfo(); 5737 ri.activityInfo = ai; 5738 list.add(ri); 5739 } 5740 return list; 5741 } 5742 5743 // reader 5744 synchronized (mPackages) { 5745 String pkgName = intent.getPackage(); 5746 if (pkgName == null) { 5747 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 5748 } 5749 final PackageParser.Package pkg = mPackages.get(pkgName); 5750 if (pkg != null) { 5751 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 5752 userId); 5753 } 5754 return Collections.emptyList(); 5755 } 5756 } 5757 5758 @Override 5759 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 5760 if (!sUserManager.exists(userId)) return null; 5761 flags = updateFlagsForResolve(flags, userId, intent); 5762 List<ResolveInfo> query = queryIntentServicesInternal(intent, resolvedType, flags, userId); 5763 if (query != null) { 5764 if (query.size() >= 1) { 5765 // If there is more than one service with the same priority, 5766 // just arbitrarily pick the first one. 5767 return query.get(0); 5768 } 5769 } 5770 return null; 5771 } 5772 5773 @Override 5774 public @NonNull ParceledListSlice<ResolveInfo> queryIntentServices(Intent intent, 5775 String resolvedType, int flags, int userId) { 5776 return new ParceledListSlice<>( 5777 queryIntentServicesInternal(intent, resolvedType, flags, userId)); 5778 } 5779 5780 private @NonNull List<ResolveInfo> queryIntentServicesInternal(Intent intent, 5781 String resolvedType, int flags, int userId) { 5782 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5783 flags = updateFlagsForResolve(flags, userId, intent); 5784 ComponentName comp = intent.getComponent(); 5785 if (comp == null) { 5786 if (intent.getSelector() != null) { 5787 intent = intent.getSelector(); 5788 comp = intent.getComponent(); 5789 } 5790 } 5791 if (comp != null) { 5792 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5793 final ServiceInfo si = getServiceInfo(comp, flags, userId); 5794 if (si != null) { 5795 final ResolveInfo ri = new ResolveInfo(); 5796 ri.serviceInfo = si; 5797 list.add(ri); 5798 } 5799 return list; 5800 } 5801 5802 // reader 5803 synchronized (mPackages) { 5804 String pkgName = intent.getPackage(); 5805 if (pkgName == null) { 5806 return mServices.queryIntent(intent, resolvedType, flags, userId); 5807 } 5808 final PackageParser.Package pkg = mPackages.get(pkgName); 5809 if (pkg != null) { 5810 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 5811 userId); 5812 } 5813 return Collections.emptyList(); 5814 } 5815 } 5816 5817 @Override 5818 public @NonNull ParceledListSlice<ResolveInfo> queryIntentContentProviders(Intent intent, 5819 String resolvedType, int flags, int userId) { 5820 return new ParceledListSlice<>( 5821 queryIntentContentProvidersInternal(intent, resolvedType, flags, userId)); 5822 } 5823 5824 private @NonNull List<ResolveInfo> queryIntentContentProvidersInternal( 5825 Intent intent, String resolvedType, int flags, int userId) { 5826 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5827 flags = updateFlagsForResolve(flags, userId, intent); 5828 ComponentName comp = intent.getComponent(); 5829 if (comp == null) { 5830 if (intent.getSelector() != null) { 5831 intent = intent.getSelector(); 5832 comp = intent.getComponent(); 5833 } 5834 } 5835 if (comp != null) { 5836 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5837 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 5838 if (pi != null) { 5839 final ResolveInfo ri = new ResolveInfo(); 5840 ri.providerInfo = pi; 5841 list.add(ri); 5842 } 5843 return list; 5844 } 5845 5846 // reader 5847 synchronized (mPackages) { 5848 String pkgName = intent.getPackage(); 5849 if (pkgName == null) { 5850 return mProviders.queryIntent(intent, resolvedType, flags, userId); 5851 } 5852 final PackageParser.Package pkg = mPackages.get(pkgName); 5853 if (pkg != null) { 5854 return mProviders.queryIntentForPackage( 5855 intent, resolvedType, flags, pkg.providers, userId); 5856 } 5857 return Collections.emptyList(); 5858 } 5859 } 5860 5861 @Override 5862 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 5863 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 5864 flags = updateFlagsForPackage(flags, userId, null); 5865 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 5866 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5867 true /* requireFullPermission */, false /* checkShell */, 5868 "get installed packages"); 5869 5870 // writer 5871 synchronized (mPackages) { 5872 ArrayList<PackageInfo> list; 5873 if (listUninstalled) { 5874 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 5875 for (PackageSetting ps : mSettings.mPackages.values()) { 5876 PackageInfo pi; 5877 if (ps.pkg != null) { 5878 pi = generatePackageInfo(ps.pkg, flags, userId); 5879 } else { 5880 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 5881 } 5882 if (pi != null) { 5883 list.add(pi); 5884 } 5885 } 5886 } else { 5887 list = new ArrayList<PackageInfo>(mPackages.size()); 5888 for (PackageParser.Package p : mPackages.values()) { 5889 PackageInfo pi = generatePackageInfo(p, flags, userId); 5890 if (pi != null) { 5891 list.add(pi); 5892 } 5893 } 5894 } 5895 5896 return new ParceledListSlice<PackageInfo>(list); 5897 } 5898 } 5899 5900 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 5901 String[] permissions, boolean[] tmp, int flags, int userId) { 5902 int numMatch = 0; 5903 final PermissionsState permissionsState = ps.getPermissionsState(); 5904 for (int i=0; i<permissions.length; i++) { 5905 final String permission = permissions[i]; 5906 if (permissionsState.hasPermission(permission, userId)) { 5907 tmp[i] = true; 5908 numMatch++; 5909 } else { 5910 tmp[i] = false; 5911 } 5912 } 5913 if (numMatch == 0) { 5914 return; 5915 } 5916 PackageInfo pi; 5917 if (ps.pkg != null) { 5918 pi = generatePackageInfo(ps.pkg, flags, userId); 5919 } else { 5920 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 5921 } 5922 // The above might return null in cases of uninstalled apps or install-state 5923 // skew across users/profiles. 5924 if (pi != null) { 5925 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 5926 if (numMatch == permissions.length) { 5927 pi.requestedPermissions = permissions; 5928 } else { 5929 pi.requestedPermissions = new String[numMatch]; 5930 numMatch = 0; 5931 for (int i=0; i<permissions.length; i++) { 5932 if (tmp[i]) { 5933 pi.requestedPermissions[numMatch] = permissions[i]; 5934 numMatch++; 5935 } 5936 } 5937 } 5938 } 5939 list.add(pi); 5940 } 5941 } 5942 5943 @Override 5944 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 5945 String[] permissions, int flags, int userId) { 5946 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 5947 flags = updateFlagsForPackage(flags, userId, permissions); 5948 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 5949 5950 // writer 5951 synchronized (mPackages) { 5952 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 5953 boolean[] tmpBools = new boolean[permissions.length]; 5954 if (listUninstalled) { 5955 for (PackageSetting ps : mSettings.mPackages.values()) { 5956 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 5957 } 5958 } else { 5959 for (PackageParser.Package pkg : mPackages.values()) { 5960 PackageSetting ps = (PackageSetting)pkg.mExtras; 5961 if (ps != null) { 5962 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 5963 userId); 5964 } 5965 } 5966 } 5967 5968 return new ParceledListSlice<PackageInfo>(list); 5969 } 5970 } 5971 5972 @Override 5973 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 5974 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 5975 flags = updateFlagsForApplication(flags, userId, null); 5976 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 5977 5978 // writer 5979 synchronized (mPackages) { 5980 ArrayList<ApplicationInfo> list; 5981 if (listUninstalled) { 5982 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 5983 for (PackageSetting ps : mSettings.mPackages.values()) { 5984 ApplicationInfo ai; 5985 if (ps.pkg != null) { 5986 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 5987 ps.readUserState(userId), userId); 5988 } else { 5989 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 5990 } 5991 if (ai != null) { 5992 list.add(ai); 5993 } 5994 } 5995 } else { 5996 list = new ArrayList<ApplicationInfo>(mPackages.size()); 5997 for (PackageParser.Package p : mPackages.values()) { 5998 if (p.mExtras != null) { 5999 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 6000 ((PackageSetting)p.mExtras).readUserState(userId), userId); 6001 if (ai != null) { 6002 list.add(ai); 6003 } 6004 } 6005 } 6006 } 6007 6008 return new ParceledListSlice<ApplicationInfo>(list); 6009 } 6010 } 6011 6012 @Override 6013 public ParceledListSlice<EphemeralApplicationInfo> getEphemeralApplications(int userId) { 6014 if (DISABLE_EPHEMERAL_APPS) { 6015 return null; 6016 } 6017 6018 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 6019 "getEphemeralApplications"); 6020 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6021 true /* requireFullPermission */, false /* checkShell */, 6022 "getEphemeralApplications"); 6023 synchronized (mPackages) { 6024 List<EphemeralApplicationInfo> ephemeralApps = mEphemeralApplicationRegistry 6025 .getEphemeralApplicationsLPw(userId); 6026 if (ephemeralApps != null) { 6027 return new ParceledListSlice<>(ephemeralApps); 6028 } 6029 } 6030 return null; 6031 } 6032 6033 @Override 6034 public boolean isEphemeralApplication(String packageName, int userId) { 6035 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6036 true /* requireFullPermission */, false /* checkShell */, 6037 "isEphemeral"); 6038 if (DISABLE_EPHEMERAL_APPS) { 6039 return false; 6040 } 6041 6042 if (!isCallerSameApp(packageName)) { 6043 return false; 6044 } 6045 synchronized (mPackages) { 6046 PackageParser.Package pkg = mPackages.get(packageName); 6047 if (pkg != null) { 6048 return pkg.applicationInfo.isEphemeralApp(); 6049 } 6050 } 6051 return false; 6052 } 6053 6054 @Override 6055 public byte[] getEphemeralApplicationCookie(String packageName, int userId) { 6056 if (DISABLE_EPHEMERAL_APPS) { 6057 return null; 6058 } 6059 6060 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6061 true /* requireFullPermission */, false /* checkShell */, 6062 "getCookie"); 6063 if (!isCallerSameApp(packageName)) { 6064 return null; 6065 } 6066 synchronized (mPackages) { 6067 return mEphemeralApplicationRegistry.getEphemeralApplicationCookieLPw( 6068 packageName, userId); 6069 } 6070 } 6071 6072 @Override 6073 public boolean setEphemeralApplicationCookie(String packageName, byte[] cookie, int userId) { 6074 if (DISABLE_EPHEMERAL_APPS) { 6075 return true; 6076 } 6077 6078 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6079 true /* requireFullPermission */, true /* checkShell */, 6080 "setCookie"); 6081 if (!isCallerSameApp(packageName)) { 6082 return false; 6083 } 6084 synchronized (mPackages) { 6085 return mEphemeralApplicationRegistry.setEphemeralApplicationCookieLPw( 6086 packageName, cookie, userId); 6087 } 6088 } 6089 6090 @Override 6091 public Bitmap getEphemeralApplicationIcon(String packageName, int userId) { 6092 if (DISABLE_EPHEMERAL_APPS) { 6093 return null; 6094 } 6095 6096 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 6097 "getEphemeralApplicationIcon"); 6098 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6099 true /* requireFullPermission */, false /* checkShell */, 6100 "getEphemeralApplicationIcon"); 6101 synchronized (mPackages) { 6102 return mEphemeralApplicationRegistry.getEphemeralApplicationIconLPw( 6103 packageName, userId); 6104 } 6105 } 6106 6107 private boolean isCallerSameApp(String packageName) { 6108 PackageParser.Package pkg = mPackages.get(packageName); 6109 return pkg != null 6110 && UserHandle.getAppId(Binder.getCallingUid()) == pkg.applicationInfo.uid; 6111 } 6112 6113 @Override 6114 public @NonNull ParceledListSlice<ApplicationInfo> getPersistentApplications(int flags) { 6115 return new ParceledListSlice<>(getPersistentApplicationsInternal(flags)); 6116 } 6117 6118 private @NonNull List<ApplicationInfo> getPersistentApplicationsInternal(int flags) { 6119 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 6120 6121 // reader 6122 synchronized (mPackages) { 6123 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 6124 final int userId = UserHandle.getCallingUserId(); 6125 while (i.hasNext()) { 6126 final PackageParser.Package p = i.next(); 6127 if (p.applicationInfo == null) continue; 6128 6129 final boolean matchesUnaware = ((flags & MATCH_ENCRYPTION_UNAWARE) != 0) 6130 && !p.applicationInfo.isEncryptionAware(); 6131 final boolean matchesAware = ((flags & MATCH_ENCRYPTION_AWARE) != 0) 6132 && p.applicationInfo.isEncryptionAware(); 6133 6134 if ((p.applicationInfo.flags & ApplicationInfo.FLAG_PERSISTENT) != 0 6135 && (!mSafeMode || isSystemApp(p)) 6136 && (matchesUnaware || matchesAware)) { 6137 PackageSetting ps = mSettings.mPackages.get(p.packageName); 6138 if (ps != null) { 6139 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 6140 ps.readUserState(userId), userId); 6141 if (ai != null) { 6142 finalList.add(ai); 6143 } 6144 } 6145 } 6146 } 6147 } 6148 6149 return finalList; 6150 } 6151 6152 @Override 6153 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 6154 if (!sUserManager.exists(userId)) return null; 6155 flags = updateFlagsForComponent(flags, userId, name); 6156 // reader 6157 synchronized (mPackages) { 6158 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 6159 PackageSetting ps = provider != null 6160 ? mSettings.mPackages.get(provider.owner.packageName) 6161 : null; 6162 return ps != null 6163 && mSettings.isEnabledAndMatchLPr(provider.info, flags, userId) 6164 ? PackageParser.generateProviderInfo(provider, flags, 6165 ps.readUserState(userId), userId) 6166 : null; 6167 } 6168 } 6169 6170 /** 6171 * @deprecated 6172 */ 6173 @Deprecated 6174 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 6175 // reader 6176 synchronized (mPackages) { 6177 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 6178 .entrySet().iterator(); 6179 final int userId = UserHandle.getCallingUserId(); 6180 while (i.hasNext()) { 6181 Map.Entry<String, PackageParser.Provider> entry = i.next(); 6182 PackageParser.Provider p = entry.getValue(); 6183 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6184 6185 if (ps != null && p.syncable 6186 && (!mSafeMode || (p.info.applicationInfo.flags 6187 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 6188 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 6189 ps.readUserState(userId), userId); 6190 if (info != null) { 6191 outNames.add(entry.getKey()); 6192 outInfo.add(info); 6193 } 6194 } 6195 } 6196 } 6197 } 6198 6199 @Override 6200 public @NonNull ParceledListSlice<ProviderInfo> queryContentProviders(String processName, 6201 int uid, int flags) { 6202 final int userId = processName != null ? UserHandle.getUserId(uid) 6203 : UserHandle.getCallingUserId(); 6204 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6205 flags = updateFlagsForComponent(flags, userId, processName); 6206 6207 ArrayList<ProviderInfo> finalList = null; 6208 // reader 6209 synchronized (mPackages) { 6210 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 6211 while (i.hasNext()) { 6212 final PackageParser.Provider p = i.next(); 6213 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6214 if (ps != null && p.info.authority != null 6215 && (processName == null 6216 || (p.info.processName.equals(processName) 6217 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 6218 && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 6219 if (finalList == null) { 6220 finalList = new ArrayList<ProviderInfo>(3); 6221 } 6222 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 6223 ps.readUserState(userId), userId); 6224 if (info != null) { 6225 finalList.add(info); 6226 } 6227 } 6228 } 6229 } 6230 6231 if (finalList != null) { 6232 Collections.sort(finalList, mProviderInitOrderSorter); 6233 return new ParceledListSlice<ProviderInfo>(finalList); 6234 } 6235 6236 return ParceledListSlice.emptyList(); 6237 } 6238 6239 @Override 6240 public InstrumentationInfo getInstrumentationInfo(ComponentName name, int flags) { 6241 // reader 6242 synchronized (mPackages) { 6243 final PackageParser.Instrumentation i = mInstrumentation.get(name); 6244 return PackageParser.generateInstrumentationInfo(i, flags); 6245 } 6246 } 6247 6248 @Override 6249 public @NonNull ParceledListSlice<InstrumentationInfo> queryInstrumentation( 6250 String targetPackage, int flags) { 6251 return new ParceledListSlice<>(queryInstrumentationInternal(targetPackage, flags)); 6252 } 6253 6254 private @NonNull List<InstrumentationInfo> queryInstrumentationInternal(String targetPackage, 6255 int flags) { 6256 ArrayList<InstrumentationInfo> finalList = new ArrayList<InstrumentationInfo>(); 6257 6258 // reader 6259 synchronized (mPackages) { 6260 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 6261 while (i.hasNext()) { 6262 final PackageParser.Instrumentation p = i.next(); 6263 if (targetPackage == null 6264 || targetPackage.equals(p.info.targetPackage)) { 6265 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 6266 flags); 6267 if (ii != null) { 6268 finalList.add(ii); 6269 } 6270 } 6271 } 6272 } 6273 6274 return finalList; 6275 } 6276 6277 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 6278 ArrayMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 6279 if (overlays == null) { 6280 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 6281 return; 6282 } 6283 for (PackageParser.Package opkg : overlays.values()) { 6284 // Not much to do if idmap fails: we already logged the error 6285 // and we certainly don't want to abort installation of pkg simply 6286 // because an overlay didn't fit properly. For these reasons, 6287 // ignore the return value of createIdmapForPackagePairLI. 6288 createIdmapForPackagePairLI(pkg, opkg); 6289 } 6290 } 6291 6292 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 6293 PackageParser.Package opkg) { 6294 if (!opkg.mTrustedOverlay) { 6295 Slog.w(TAG, "Skipping target and overlay pair " + pkg.baseCodePath + " and " + 6296 opkg.baseCodePath + ": overlay not trusted"); 6297 return false; 6298 } 6299 ArrayMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 6300 if (overlaySet == null) { 6301 Slog.e(TAG, "was about to create idmap for " + pkg.baseCodePath + " and " + 6302 opkg.baseCodePath + " but target package has no known overlays"); 6303 return false; 6304 } 6305 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 6306 // TODO: generate idmap for split APKs 6307 try { 6308 mInstaller.idmap(pkg.baseCodePath, opkg.baseCodePath, sharedGid); 6309 } catch (InstallerException e) { 6310 Slog.e(TAG, "Failed to generate idmap for " + pkg.baseCodePath + " and " 6311 + opkg.baseCodePath); 6312 return false; 6313 } 6314 PackageParser.Package[] overlayArray = 6315 overlaySet.values().toArray(new PackageParser.Package[0]); 6316 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 6317 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 6318 return p1.mOverlayPriority - p2.mOverlayPriority; 6319 } 6320 }; 6321 Arrays.sort(overlayArray, cmp); 6322 6323 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 6324 int i = 0; 6325 for (PackageParser.Package p : overlayArray) { 6326 pkg.applicationInfo.resourceDirs[i++] = p.baseCodePath; 6327 } 6328 return true; 6329 } 6330 6331 private void scanDirTracedLI(File dir, int parseFlags, int scanFlags, long currentTime) { 6332 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanDir"); 6333 try { 6334 scanDirLI(dir, parseFlags, scanFlags, currentTime); 6335 } finally { 6336 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6337 } 6338 } 6339 6340 private void scanDirLI(File dir, int parseFlags, int scanFlags, long currentTime) { 6341 final File[] files = dir.listFiles(); 6342 if (ArrayUtils.isEmpty(files)) { 6343 Log.d(TAG, "No files in app dir " + dir); 6344 return; 6345 } 6346 6347 if (DEBUG_PACKAGE_SCANNING) { 6348 Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags 6349 + " flags=0x" + Integer.toHexString(parseFlags)); 6350 } 6351 6352 for (File file : files) { 6353 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 6354 && !PackageInstallerService.isStageName(file.getName()); 6355 if (!isPackage) { 6356 // Ignore entries which are not packages 6357 continue; 6358 } 6359 try { 6360 scanPackageTracedLI(file, parseFlags | PackageParser.PARSE_MUST_BE_APK, 6361 scanFlags, currentTime, null); 6362 } catch (PackageManagerException e) { 6363 Slog.w(TAG, "Failed to parse " + file + ": " + e.getMessage()); 6364 6365 // Delete invalid userdata apps 6366 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 && 6367 e.error == PackageManager.INSTALL_FAILED_INVALID_APK) { 6368 logCriticalInfo(Log.WARN, "Deleting invalid package at " + file); 6369 removeCodePathLI(file); 6370 } 6371 } 6372 } 6373 } 6374 6375 private static File getSettingsProblemFile() { 6376 File dataDir = Environment.getDataDirectory(); 6377 File systemDir = new File(dataDir, "system"); 6378 File fname = new File(systemDir, "uiderrors.txt"); 6379 return fname; 6380 } 6381 6382 static void reportSettingsProblem(int priority, String msg) { 6383 logCriticalInfo(priority, msg); 6384 } 6385 6386 static void logCriticalInfo(int priority, String msg) { 6387 Slog.println(priority, TAG, msg); 6388 EventLogTags.writePmCriticalInfo(msg); 6389 try { 6390 File fname = getSettingsProblemFile(); 6391 FileOutputStream out = new FileOutputStream(fname, true); 6392 PrintWriter pw = new FastPrintWriter(out); 6393 SimpleDateFormat formatter = new SimpleDateFormat(); 6394 String dateString = formatter.format(new Date(System.currentTimeMillis())); 6395 pw.println(dateString + ": " + msg); 6396 pw.close(); 6397 FileUtils.setPermissions( 6398 fname.toString(), 6399 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 6400 -1, -1); 6401 } catch (java.io.IOException e) { 6402 } 6403 } 6404 6405 private void collectCertificatesLI(PackageSetting ps, PackageParser.Package pkg, File srcFile, 6406 int parseFlags) throws PackageManagerException { 6407 if (ps != null 6408 && ps.codePath.equals(srcFile) 6409 && ps.timeStamp == srcFile.lastModified() 6410 && !isCompatSignatureUpdateNeeded(pkg) 6411 && !isRecoverSignatureUpdateNeeded(pkg)) { 6412 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 6413 KeySetManagerService ksms = mSettings.mKeySetManagerService; 6414 ArraySet<PublicKey> signingKs; 6415 synchronized (mPackages) { 6416 signingKs = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId); 6417 } 6418 if (ps.signatures.mSignatures != null 6419 && ps.signatures.mSignatures.length != 0 6420 && signingKs != null) { 6421 // Optimization: reuse the existing cached certificates 6422 // if the package appears to be unchanged. 6423 pkg.mSignatures = ps.signatures.mSignatures; 6424 pkg.mSigningKeys = signingKs; 6425 return; 6426 } 6427 6428 Slog.w(TAG, "PackageSetting for " + ps.name 6429 + " is missing signatures. Collecting certs again to recover them."); 6430 } else { 6431 Log.i(TAG, srcFile.toString() + " changed; collecting certs"); 6432 } 6433 6434 try { 6435 PackageParser.collectCertificates(pkg, parseFlags); 6436 } catch (PackageParserException e) { 6437 throw PackageManagerException.from(e); 6438 } 6439 } 6440 6441 /** 6442 * Traces a package scan. 6443 * @see #scanPackageLI(File, int, int, long, UserHandle) 6444 */ 6445 private PackageParser.Package scanPackageTracedLI(File scanFile, int parseFlags, int scanFlags, 6446 long currentTime, UserHandle user) throws PackageManagerException { 6447 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 6448 try { 6449 return scanPackageLI(scanFile, parseFlags, scanFlags, currentTime, user); 6450 } finally { 6451 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6452 } 6453 } 6454 6455 /** 6456 * Scans a package and returns the newly parsed package. 6457 * Returns {@code null} in case of errors and the error code is stored in mLastScanError 6458 */ 6459 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags, 6460 long currentTime, UserHandle user) throws PackageManagerException { 6461 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 6462 parseFlags |= mDefParseFlags; 6463 PackageParser pp = new PackageParser(); 6464 pp.setSeparateProcesses(mSeparateProcesses); 6465 pp.setOnlyCoreApps(mOnlyCore); 6466 pp.setDisplayMetrics(mMetrics); 6467 6468 if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) { 6469 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 6470 } 6471 6472 final PackageParser.Package pkg; 6473 try { 6474 pkg = pp.parsePackage(scanFile, parseFlags); 6475 } catch (PackageParserException e) { 6476 throw PackageManagerException.from(e); 6477 } 6478 6479 return scanPackageLI(pkg, scanFile, parseFlags, scanFlags, currentTime, user); 6480 } 6481 6482 /** 6483 * Scans a package and returns the newly parsed package. 6484 * @throws PackageManagerException on a parse error. 6485 */ 6486 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, File scanFile, 6487 int parseFlags, int scanFlags, long currentTime, UserHandle user) 6488 throws PackageManagerException { 6489 // If the package has children and this is the first dive in the function 6490 // we scan the package with the SCAN_CHECK_ONLY flag set to see whether all 6491 // packages (parent and children) would be successfully scanned before the 6492 // actual scan since scanning mutates internal state and we want to atomically 6493 // install the package and its children. 6494 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 6495 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 6496 scanFlags |= SCAN_CHECK_ONLY; 6497 } 6498 } else { 6499 scanFlags &= ~SCAN_CHECK_ONLY; 6500 } 6501 6502 // Scan the parent 6503 PackageParser.Package scannedPkg = scanPackageInternalLI(pkg, scanFile, parseFlags, 6504 scanFlags, currentTime, user); 6505 6506 // Scan the children 6507 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 6508 for (int i = 0; i < childCount; i++) { 6509 PackageParser.Package childPackage = pkg.childPackages.get(i); 6510 scanPackageInternalLI(childPackage, scanFile, parseFlags, scanFlags, 6511 currentTime, user); 6512 } 6513 6514 6515 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 6516 return scanPackageLI(pkg, scanFile, parseFlags, scanFlags, currentTime, user); 6517 } 6518 6519 return scannedPkg; 6520 } 6521 6522 /** 6523 * Scans a package and returns the newly parsed package. 6524 * @throws PackageManagerException on a parse error. 6525 */ 6526 private PackageParser.Package scanPackageInternalLI(PackageParser.Package pkg, File scanFile, 6527 int parseFlags, int scanFlags, long currentTime, UserHandle user) 6528 throws PackageManagerException { 6529 PackageSetting ps = null; 6530 PackageSetting updatedPkg; 6531 // reader 6532 synchronized (mPackages) { 6533 // Look to see if we already know about this package. 6534 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 6535 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 6536 // This package has been renamed to its original name. Let's 6537 // use that. 6538 ps = mSettings.peekPackageLPr(oldName); 6539 } 6540 // If there was no original package, see one for the real package name. 6541 if (ps == null) { 6542 ps = mSettings.peekPackageLPr(pkg.packageName); 6543 } 6544 // Check to see if this package could be hiding/updating a system 6545 // package. Must look for it either under the original or real 6546 // package name depending on our state. 6547 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 6548 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 6549 6550 // If this is a package we don't know about on the system partition, we 6551 // may need to remove disabled child packages on the system partition 6552 // or may need to not add child packages if the parent apk is updated 6553 // on the data partition and no longer defines this child package. 6554 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6555 // If this is a parent package for an updated system app and this system 6556 // app got an OTA update which no longer defines some of the child packages 6557 // we have to prune them from the disabled system packages. 6558 PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(pkg.packageName); 6559 if (disabledPs != null) { 6560 final int scannedChildCount = (pkg.childPackages != null) 6561 ? pkg.childPackages.size() : 0; 6562 final int disabledChildCount = disabledPs.childPackageNames != null 6563 ? disabledPs.childPackageNames.size() : 0; 6564 for (int i = 0; i < disabledChildCount; i++) { 6565 String disabledChildPackageName = disabledPs.childPackageNames.get(i); 6566 boolean disabledPackageAvailable = false; 6567 for (int j = 0; j < scannedChildCount; j++) { 6568 PackageParser.Package childPkg = pkg.childPackages.get(j); 6569 if (childPkg.packageName.equals(disabledChildPackageName)) { 6570 disabledPackageAvailable = true; 6571 break; 6572 } 6573 } 6574 if (!disabledPackageAvailable) { 6575 mSettings.removeDisabledSystemPackageLPw(disabledChildPackageName); 6576 } 6577 } 6578 } 6579 } 6580 } 6581 6582 boolean updatedPkgBetter = false; 6583 // First check if this is a system package that may involve an update 6584 if (updatedPkg != null && (parseFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6585 // If new package is not located in "/system/priv-app" (e.g. due to an OTA), 6586 // it needs to drop FLAG_PRIVILEGED. 6587 if (locationIsPrivileged(scanFile)) { 6588 updatedPkg.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6589 } else { 6590 updatedPkg.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6591 } 6592 6593 if (ps != null && !ps.codePath.equals(scanFile)) { 6594 // The path has changed from what was last scanned... check the 6595 // version of the new path against what we have stored to determine 6596 // what to do. 6597 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 6598 if (pkg.mVersionCode <= ps.versionCode) { 6599 // The system package has been updated and the code path does not match 6600 // Ignore entry. Skip it. 6601 if (DEBUG_INSTALL) Slog.i(TAG, "Package " + ps.name + " at " + scanFile 6602 + " ignored: updated version " + ps.versionCode 6603 + " better than this " + pkg.mVersionCode); 6604 if (!updatedPkg.codePath.equals(scanFile)) { 6605 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg " 6606 + ps.name + " changing from " + updatedPkg.codePathString 6607 + " to " + scanFile); 6608 updatedPkg.codePath = scanFile; 6609 updatedPkg.codePathString = scanFile.toString(); 6610 updatedPkg.resourcePath = scanFile; 6611 updatedPkg.resourcePathString = scanFile.toString(); 6612 } 6613 updatedPkg.pkg = pkg; 6614 updatedPkg.versionCode = pkg.mVersionCode; 6615 6616 // Update the disabled system child packages to point to the package too. 6617 final int childCount = updatedPkg.childPackageNames != null 6618 ? updatedPkg.childPackageNames.size() : 0; 6619 for (int i = 0; i < childCount; i++) { 6620 String childPackageName = updatedPkg.childPackageNames.get(i); 6621 PackageSetting updatedChildPkg = mSettings.getDisabledSystemPkgLPr( 6622 childPackageName); 6623 if (updatedChildPkg != null) { 6624 updatedChildPkg.pkg = pkg; 6625 updatedChildPkg.versionCode = pkg.mVersionCode; 6626 } 6627 } 6628 6629 throw new PackageManagerException(Log.WARN, "Package " + ps.name + " at " 6630 + scanFile + " ignored: updated version " + ps.versionCode 6631 + " better than this " + pkg.mVersionCode); 6632 } else { 6633 // The current app on the system partition is better than 6634 // what we have updated to on the data partition; switch 6635 // back to the system partition version. 6636 // At this point, its safely assumed that package installation for 6637 // apps in system partition will go through. If not there won't be a working 6638 // version of the app 6639 // writer 6640 synchronized (mPackages) { 6641 // Just remove the loaded entries from package lists. 6642 mPackages.remove(ps.name); 6643 } 6644 6645 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 6646 + " reverting from " + ps.codePathString 6647 + ": new version " + pkg.mVersionCode 6648 + " better than installed " + ps.versionCode); 6649 6650 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 6651 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 6652 synchronized (mInstallLock) { 6653 args.cleanUpResourcesLI(); 6654 } 6655 synchronized (mPackages) { 6656 mSettings.enableSystemPackageLPw(ps.name); 6657 } 6658 updatedPkgBetter = true; 6659 } 6660 } 6661 } 6662 6663 if (updatedPkg != null) { 6664 // An updated system app will not have the PARSE_IS_SYSTEM flag set 6665 // initially 6666 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 6667 6668 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 6669 // flag set initially 6670 if ((updatedPkg.pkgPrivateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0) { 6671 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 6672 } 6673 } 6674 6675 // Verify certificates against what was last scanned 6676 collectCertificatesLI(ps, pkg, scanFile, parseFlags); 6677 6678 /* 6679 * A new system app appeared, but we already had a non-system one of the 6680 * same name installed earlier. 6681 */ 6682 boolean shouldHideSystemApp = false; 6683 if (updatedPkg == null && ps != null 6684 && (parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 6685 /* 6686 * Check to make sure the signatures match first. If they don't, 6687 * wipe the installed application and its data. 6688 */ 6689 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 6690 != PackageManager.SIGNATURE_MATCH) { 6691 logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but" 6692 + " signatures don't match existing userdata copy; removing"); 6693 deletePackageLI(pkg.packageName, null, true, null, 0, null, false, null); 6694 ps = null; 6695 } else { 6696 /* 6697 * If the newly-added system app is an older version than the 6698 * already installed version, hide it. It will be scanned later 6699 * and re-added like an update. 6700 */ 6701 if (pkg.mVersionCode <= ps.versionCode) { 6702 shouldHideSystemApp = true; 6703 logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile 6704 + " but new version " + pkg.mVersionCode + " better than installed " 6705 + ps.versionCode + "; hiding system"); 6706 } else { 6707 /* 6708 * The newly found system app is a newer version that the 6709 * one previously installed. Simply remove the 6710 * already-installed application and replace it with our own 6711 * while keeping the application data. 6712 */ 6713 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 6714 + " reverting from " + ps.codePathString + ": new version " 6715 + pkg.mVersionCode + " better than installed " + ps.versionCode); 6716 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 6717 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 6718 synchronized (mInstallLock) { 6719 args.cleanUpResourcesLI(); 6720 } 6721 } 6722 } 6723 } 6724 6725 // The apk is forward locked (not public) if its code and resources 6726 // are kept in different files. (except for app in either system or 6727 // vendor path). 6728 // TODO grab this value from PackageSettings 6729 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 6730 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 6731 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 6732 } 6733 } 6734 6735 // TODO: extend to support forward-locked splits 6736 String resourcePath = null; 6737 String baseResourcePath = null; 6738 if ((parseFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 6739 if (ps != null && ps.resourcePathString != null) { 6740 resourcePath = ps.resourcePathString; 6741 baseResourcePath = ps.resourcePathString; 6742 } else { 6743 // Should not happen at all. Just log an error. 6744 Slog.e(TAG, "Resource path not set for package " + pkg.packageName); 6745 } 6746 } else { 6747 resourcePath = pkg.codePath; 6748 baseResourcePath = pkg.baseCodePath; 6749 } 6750 6751 // Set application objects path explicitly. 6752 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 6753 pkg.setApplicationInfoCodePath(pkg.codePath); 6754 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 6755 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 6756 pkg.setApplicationInfoResourcePath(resourcePath); 6757 pkg.setApplicationInfoBaseResourcePath(baseResourcePath); 6758 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 6759 6760 // Note that we invoke the following method only if we are about to unpack an application 6761 PackageParser.Package scannedPkg = scanPackageLI(pkg, parseFlags, scanFlags 6762 | SCAN_UPDATE_SIGNATURE, currentTime, user); 6763 6764 /* 6765 * If the system app should be overridden by a previously installed 6766 * data, hide the system app now and let the /data/app scan pick it up 6767 * again. 6768 */ 6769 if (shouldHideSystemApp) { 6770 synchronized (mPackages) { 6771 mSettings.disableSystemPackageLPw(pkg.packageName, true); 6772 } 6773 } 6774 6775 return scannedPkg; 6776 } 6777 6778 private static String fixProcessName(String defProcessName, 6779 String processName, int uid) { 6780 if (processName == null) { 6781 return defProcessName; 6782 } 6783 return processName; 6784 } 6785 6786 private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) 6787 throws PackageManagerException { 6788 if (pkgSetting.signatures.mSignatures != null) { 6789 // Already existing package. Make sure signatures match 6790 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 6791 == PackageManager.SIGNATURE_MATCH; 6792 if (!match) { 6793 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 6794 == PackageManager.SIGNATURE_MATCH; 6795 } 6796 if (!match) { 6797 match = compareSignaturesRecover(pkgSetting.signatures, pkg) 6798 == PackageManager.SIGNATURE_MATCH; 6799 } 6800 if (!match) { 6801 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 6802 + pkg.packageName + " signatures do not match the " 6803 + "previously installed version; ignoring!"); 6804 } 6805 } 6806 6807 // Check for shared user signatures 6808 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 6809 // Already existing package. Make sure signatures match 6810 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 6811 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 6812 if (!match) { 6813 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 6814 == PackageManager.SIGNATURE_MATCH; 6815 } 6816 if (!match) { 6817 match = compareSignaturesRecover(pkgSetting.sharedUser.signatures, pkg) 6818 == PackageManager.SIGNATURE_MATCH; 6819 } 6820 if (!match) { 6821 throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 6822 "Package " + pkg.packageName 6823 + " has no signatures that match those in shared user " 6824 + pkgSetting.sharedUser.name + "; ignoring!"); 6825 } 6826 } 6827 } 6828 6829 /** 6830 * Enforces that only the system UID or root's UID can call a method exposed 6831 * via Binder. 6832 * 6833 * @param message used as message if SecurityException is thrown 6834 * @throws SecurityException if the caller is not system or root 6835 */ 6836 private static final void enforceSystemOrRoot(String message) { 6837 final int uid = Binder.getCallingUid(); 6838 if (uid != Process.SYSTEM_UID && uid != 0) { 6839 throw new SecurityException(message); 6840 } 6841 } 6842 6843 @Override 6844 public void performFstrimIfNeeded() { 6845 enforceSystemOrRoot("Only the system can request fstrim"); 6846 6847 // Before everything else, see whether we need to fstrim. 6848 try { 6849 IMountService ms = PackageHelper.getMountService(); 6850 if (ms != null) { 6851 final boolean isUpgrade = isUpgrade(); 6852 boolean doTrim = isUpgrade; 6853 if (doTrim) { 6854 Slog.w(TAG, "Running disk maintenance immediately due to system update"); 6855 } else { 6856 final long interval = android.provider.Settings.Global.getLong( 6857 mContext.getContentResolver(), 6858 android.provider.Settings.Global.FSTRIM_MANDATORY_INTERVAL, 6859 DEFAULT_MANDATORY_FSTRIM_INTERVAL); 6860 if (interval > 0) { 6861 final long timeSinceLast = System.currentTimeMillis() - ms.lastMaintenance(); 6862 if (timeSinceLast > interval) { 6863 doTrim = true; 6864 Slog.w(TAG, "No disk maintenance in " + timeSinceLast 6865 + "; running immediately"); 6866 } 6867 } 6868 } 6869 if (doTrim) { 6870 if (!isFirstBoot()) { 6871 try { 6872 ActivityManagerNative.getDefault().showBootMessage( 6873 mContext.getResources().getString( 6874 R.string.android_upgrading_fstrim), true); 6875 } catch (RemoteException e) { 6876 } 6877 } 6878 ms.runMaintenance(); 6879 } 6880 } else { 6881 Slog.e(TAG, "Mount service unavailable!"); 6882 } 6883 } catch (RemoteException e) { 6884 // Can't happen; MountService is local 6885 } 6886 } 6887 6888 @Override 6889 public void extractPackagesIfNeeded() { 6890 enforceSystemOrRoot("Only the system can request package extraction"); 6891 6892 // Extract pacakges only if profile-guided compilation is enabled because 6893 // otherwise BackgroundDexOptService will not dexopt them later. 6894 boolean prunedCache = VMRuntime.didPruneDalvikCache(); 6895 if (!isUpgrade() && !prunedCache) { 6896 return; 6897 } 6898 6899 List<PackageParser.Package> pkgs; 6900 synchronized (mPackages) { 6901 pkgs = PackageManagerServiceUtils.getPackagesForDexopt(mPackages.values(), this); 6902 } 6903 6904 int curr = 0; 6905 int total = pkgs.size(); 6906 for (PackageParser.Package pkg : pkgs) { 6907 curr++; 6908 6909 if (DEBUG_DEXOPT) { 6910 Log.i(TAG, "Extracting app " + curr + " of " + total + ": " + pkg.packageName); 6911 } 6912 6913 if (!isFirstBoot()) { 6914 try { 6915 ActivityManagerNative.getDefault().showBootMessage( 6916 mContext.getResources().getString(R.string.android_upgrading_apk, 6917 curr, total), true); 6918 } catch (RemoteException e) { 6919 } 6920 } 6921 6922 if (PackageDexOptimizer.canOptimizePackage(pkg)) { 6923 // If the cache was pruned, any compiled odex files will likely be out of date 6924 // and would have to be patched (would be SELF_PATCHOAT, which is deprecated). 6925 // Instead, force the extraction in this case. 6926 performDexOpt(pkg.packageName, null /* instructionSet */, 6927 false /* useProfiles */, true /* extractOnly */, prunedCache); 6928 } 6929 } 6930 } 6931 6932 @Override 6933 public void notifyPackageUse(String packageName) { 6934 synchronized (mPackages) { 6935 PackageParser.Package p = mPackages.get(packageName); 6936 if (p == null) { 6937 return; 6938 } 6939 p.mLastPackageUsageTimeInMills = System.currentTimeMillis(); 6940 } 6941 } 6942 6943 // TODO: this is not used nor needed. Delete it. 6944 @Override 6945 public boolean performDexOptIfNeeded(String packageName, String instructionSet) { 6946 return performDexOptTraced(packageName, instructionSet, false /* useProfiles */, 6947 false /* extractOnly */, false /* force */); 6948 } 6949 6950 @Override 6951 public boolean performDexOpt(String packageName, String instructionSet, boolean useProfiles, 6952 boolean extractOnly, boolean force) { 6953 return performDexOptTraced(packageName, instructionSet, useProfiles, extractOnly, force); 6954 } 6955 6956 private boolean performDexOptTraced(String packageName, String instructionSet, 6957 boolean useProfiles, boolean extractOnly, boolean force) { 6958 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 6959 try { 6960 return performDexOptInternal(packageName, instructionSet, useProfiles, extractOnly, 6961 force); 6962 } finally { 6963 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6964 } 6965 } 6966 6967 private boolean performDexOptInternal(String packageName, String instructionSet, 6968 boolean useProfiles, boolean extractOnly, boolean force) { 6969 PackageParser.Package p; 6970 final String targetInstructionSet; 6971 synchronized (mPackages) { 6972 p = mPackages.get(packageName); 6973 if (p == null) { 6974 return false; 6975 } 6976 mPackageUsage.write(false); 6977 6978 targetInstructionSet = instructionSet != null ? instructionSet : 6979 getPrimaryInstructionSet(p.applicationInfo); 6980 } 6981 long callingId = Binder.clearCallingIdentity(); 6982 try { 6983 synchronized (mInstallLock) { 6984 final String[] instructionSets = new String[] { targetInstructionSet }; 6985 int result = performDexOptInternalWithDependenciesLI(p, instructionSets, 6986 useProfiles, extractOnly, force); 6987 return result == PackageDexOptimizer.DEX_OPT_PERFORMED; 6988 } 6989 } finally { 6990 Binder.restoreCallingIdentity(callingId); 6991 } 6992 } 6993 6994 public ArraySet<String> getOptimizablePackages() { 6995 ArraySet<String> pkgs = new ArraySet<String>(); 6996 synchronized (mPackages) { 6997 for (PackageParser.Package p : mPackages.values()) { 6998 if (PackageDexOptimizer.canOptimizePackage(p)) { 6999 pkgs.add(p.packageName); 7000 } 7001 } 7002 } 7003 return pkgs; 7004 } 7005 7006 private int performDexOptInternalWithDependenciesLI(PackageParser.Package p, 7007 String instructionSets[], boolean useProfiles, boolean extractOnly, boolean force) { 7008 // Select the dex optimizer based on the force parameter. 7009 // Note: The force option is rarely used (cmdline input for testing, mostly), so it's OK to 7010 // allocate an object here. 7011 PackageDexOptimizer pdo = force 7012 ? new PackageDexOptimizer.ForcedUpdatePackageDexOptimizer(mPackageDexOptimizer) 7013 : mPackageDexOptimizer; 7014 7015 // Optimize all dependencies first. Note: we ignore the return value and march on 7016 // on errors. 7017 Collection<PackageParser.Package> deps = findSharedNonSystemLibraries(p); 7018 if (!deps.isEmpty()) { 7019 for (PackageParser.Package depPackage : deps) { 7020 // TODO: Analyze and investigate if we (should) profile libraries. 7021 // Currently this will do a full compilation of the library. 7022 pdo.performDexOpt(depPackage, instructionSets, false /* useProfiles */, 7023 false /* extractOnly */); 7024 } 7025 } 7026 7027 return pdo.performDexOpt(p, instructionSets, useProfiles, extractOnly); 7028 } 7029 7030 Collection<PackageParser.Package> findSharedNonSystemLibraries(PackageParser.Package p) { 7031 if (p.usesLibraries != null || p.usesOptionalLibraries != null) { 7032 ArrayList<PackageParser.Package> retValue = new ArrayList<>(); 7033 Set<String> collectedNames = new HashSet<>(); 7034 findSharedNonSystemLibrariesRecursive(p, retValue, collectedNames); 7035 7036 retValue.remove(p); 7037 7038 return retValue; 7039 } else { 7040 return Collections.emptyList(); 7041 } 7042 } 7043 7044 private void findSharedNonSystemLibrariesRecursive(PackageParser.Package p, 7045 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 7046 if (!collectedNames.contains(p.packageName)) { 7047 collectedNames.add(p.packageName); 7048 collected.add(p); 7049 7050 if (p.usesLibraries != null) { 7051 findSharedNonSystemLibrariesRecursive(p.usesLibraries, collected, collectedNames); 7052 } 7053 if (p.usesOptionalLibraries != null) { 7054 findSharedNonSystemLibrariesRecursive(p.usesOptionalLibraries, collected, 7055 collectedNames); 7056 } 7057 } 7058 } 7059 7060 private void findSharedNonSystemLibrariesRecursive(Collection<String> libs, 7061 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 7062 for (String libName : libs) { 7063 PackageParser.Package libPkg = findSharedNonSystemLibrary(libName); 7064 if (libPkg != null) { 7065 findSharedNonSystemLibrariesRecursive(libPkg, collected, collectedNames); 7066 } 7067 } 7068 } 7069 7070 private PackageParser.Package findSharedNonSystemLibrary(String libName) { 7071 synchronized (mPackages) { 7072 PackageManagerService.SharedLibraryEntry lib = mSharedLibraries.get(libName); 7073 if (lib != null && lib.apk != null) { 7074 return mPackages.get(lib.apk); 7075 } 7076 } 7077 return null; 7078 } 7079 7080 public void shutdown() { 7081 mPackageUsage.write(true); 7082 } 7083 7084 @Override 7085 public void forceDexOpt(String packageName) { 7086 enforceSystemOrRoot("forceDexOpt"); 7087 7088 PackageParser.Package pkg; 7089 synchronized (mPackages) { 7090 pkg = mPackages.get(packageName); 7091 if (pkg == null) { 7092 throw new IllegalArgumentException("Unknown package: " + packageName); 7093 } 7094 } 7095 7096 synchronized (mInstallLock) { 7097 final String[] instructionSets = new String[] { 7098 getPrimaryInstructionSet(pkg.applicationInfo) }; 7099 7100 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 7101 7102 // Whoever is calling forceDexOpt wants a fully compiled package. 7103 // Don't use profiles since that may cause compilation to be skipped. 7104 final int res = performDexOptInternalWithDependenciesLI(pkg, instructionSets, 7105 false /* useProfiles */, false /* extractOnly */, true /* force */); 7106 7107 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7108 if (res != PackageDexOptimizer.DEX_OPT_PERFORMED) { 7109 throw new IllegalStateException("Failed to dexopt: " + res); 7110 } 7111 } 7112 } 7113 7114 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 7115 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 7116 Slog.w(TAG, "Unable to update from " + oldPkg.name 7117 + " to " + newPkg.packageName 7118 + ": old package not in system partition"); 7119 return false; 7120 } else if (mPackages.get(oldPkg.name) != null) { 7121 Slog.w(TAG, "Unable to update from " + oldPkg.name 7122 + " to " + newPkg.packageName 7123 + ": old package still exists"); 7124 return false; 7125 } 7126 return true; 7127 } 7128 7129 private boolean removeDataDirsLI(String volumeUuid, String packageName) { 7130 // TODO: triage flags as part of 26466827 7131 final int flags = StorageManager.FLAG_STORAGE_CE | StorageManager.FLAG_STORAGE_DE; 7132 7133 boolean res = true; 7134 final int[] users = sUserManager.getUserIds(); 7135 for (int user : users) { 7136 try { 7137 mInstaller.destroyAppData(volumeUuid, packageName, user, flags); 7138 } catch (InstallerException e) { 7139 Slog.w(TAG, "Failed to delete data directory", e); 7140 res = false; 7141 } 7142 } 7143 return res; 7144 } 7145 7146 void removeCodePathLI(File codePath) { 7147 if (codePath.isDirectory()) { 7148 try { 7149 mInstaller.rmPackageDir(codePath.getAbsolutePath()); 7150 } catch (InstallerException e) { 7151 Slog.w(TAG, "Failed to remove code path", e); 7152 } 7153 } else { 7154 codePath.delete(); 7155 } 7156 } 7157 7158 void destroyAppDataLI(String volumeUuid, String packageName, int userId, int flags) { 7159 try { 7160 mInstaller.destroyAppData(volumeUuid, packageName, userId, flags); 7161 } catch (InstallerException e) { 7162 Slog.w(TAG, "Failed to destroy app data", e); 7163 } 7164 } 7165 7166 void restoreconAppDataLI(String volumeUuid, String packageName, int userId, int flags, 7167 int appId, String seinfo) { 7168 try { 7169 mInstaller.restoreconAppData(volumeUuid, packageName, userId, flags, appId, seinfo); 7170 } catch (InstallerException e) { 7171 Slog.e(TAG, "Failed to restorecon for " + packageName + ": " + e); 7172 } 7173 } 7174 7175 private void deleteCodeCacheDirsLI(String volumeUuid, String packageName) { 7176 final PackageParser.Package pkg; 7177 synchronized (mPackages) { 7178 pkg = mPackages.get(packageName); 7179 } 7180 if (pkg == null) { 7181 Slog.w(TAG, "Failed to delete code cache directory. No package: " + packageName); 7182 return; 7183 } 7184 deleteCodeCacheDirsLI(pkg); 7185 } 7186 7187 private void deleteCodeCacheDirsLI(PackageParser.Package pkg) { 7188 // TODO: triage flags as part of 26466827 7189 final int flags = StorageManager.FLAG_STORAGE_CE | StorageManager.FLAG_STORAGE_DE; 7190 7191 int[] users = sUserManager.getUserIds(); 7192 int res = 0; 7193 for (int user : users) { 7194 // Remove the parent code cache 7195 try { 7196 mInstaller.clearAppData(pkg.volumeUuid, pkg.packageName, user, 7197 flags | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 7198 } catch (InstallerException e) { 7199 Slog.w(TAG, "Failed to delete code cache directory", e); 7200 } 7201 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7202 for (int i = 0; i < childCount; i++) { 7203 PackageParser.Package childPkg = pkg.childPackages.get(i); 7204 // Remove the child code cache 7205 try { 7206 mInstaller.clearAppData(childPkg.volumeUuid, childPkg.packageName, 7207 user, flags | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 7208 } catch (InstallerException e) { 7209 Slog.w(TAG, "Failed to delete code cache directory", e); 7210 } 7211 } 7212 } 7213 } 7214 7215 private void setInstallAndUpdateTime(PackageParser.Package pkg, long firstInstallTime, 7216 long lastUpdateTime) { 7217 // Set parent install/update time 7218 PackageSetting ps = (PackageSetting) pkg.mExtras; 7219 if (ps != null) { 7220 ps.firstInstallTime = firstInstallTime; 7221 ps.lastUpdateTime = lastUpdateTime; 7222 } 7223 // Set children install/update time 7224 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7225 for (int i = 0; i < childCount; i++) { 7226 PackageParser.Package childPkg = pkg.childPackages.get(i); 7227 ps = (PackageSetting) childPkg.mExtras; 7228 if (ps != null) { 7229 ps.firstInstallTime = firstInstallTime; 7230 ps.lastUpdateTime = lastUpdateTime; 7231 } 7232 } 7233 } 7234 7235 private void addSharedLibraryLPw(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 7236 PackageParser.Package changingLib) { 7237 if (file.path != null) { 7238 usesLibraryFiles.add(file.path); 7239 return; 7240 } 7241 PackageParser.Package p = mPackages.get(file.apk); 7242 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 7243 // If we are doing this while in the middle of updating a library apk, 7244 // then we need to make sure to use that new apk for determining the 7245 // dependencies here. (We haven't yet finished committing the new apk 7246 // to the package manager state.) 7247 if (p == null || p.packageName.equals(changingLib.packageName)) { 7248 p = changingLib; 7249 } 7250 } 7251 if (p != null) { 7252 usesLibraryFiles.addAll(p.getAllCodePaths()); 7253 } 7254 } 7255 7256 private void updateSharedLibrariesLPw(PackageParser.Package pkg, 7257 PackageParser.Package changingLib) throws PackageManagerException { 7258 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 7259 final ArraySet<String> usesLibraryFiles = new ArraySet<>(); 7260 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 7261 for (int i=0; i<N; i++) { 7262 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 7263 if (file == null) { 7264 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 7265 "Package " + pkg.packageName + " requires unavailable shared library " 7266 + pkg.usesLibraries.get(i) + "; failing!"); 7267 } 7268 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 7269 } 7270 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 7271 for (int i=0; i<N; i++) { 7272 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 7273 if (file == null) { 7274 Slog.w(TAG, "Package " + pkg.packageName 7275 + " desires unavailable shared library " 7276 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 7277 } else { 7278 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 7279 } 7280 } 7281 N = usesLibraryFiles.size(); 7282 if (N > 0) { 7283 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]); 7284 } else { 7285 pkg.usesLibraryFiles = null; 7286 } 7287 } 7288 } 7289 7290 private static boolean hasString(List<String> list, List<String> which) { 7291 if (list == null) { 7292 return false; 7293 } 7294 for (int i=list.size()-1; i>=0; i--) { 7295 for (int j=which.size()-1; j>=0; j--) { 7296 if (which.get(j).equals(list.get(i))) { 7297 return true; 7298 } 7299 } 7300 } 7301 return false; 7302 } 7303 7304 private void updateAllSharedLibrariesLPw() { 7305 for (PackageParser.Package pkg : mPackages.values()) { 7306 try { 7307 updateSharedLibrariesLPw(pkg, null); 7308 } catch (PackageManagerException e) { 7309 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 7310 } 7311 } 7312 } 7313 7314 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 7315 PackageParser.Package changingPkg) { 7316 ArrayList<PackageParser.Package> res = null; 7317 for (PackageParser.Package pkg : mPackages.values()) { 7318 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 7319 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 7320 if (res == null) { 7321 res = new ArrayList<PackageParser.Package>(); 7322 } 7323 res.add(pkg); 7324 try { 7325 updateSharedLibrariesLPw(pkg, changingPkg); 7326 } catch (PackageManagerException e) { 7327 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 7328 } 7329 } 7330 } 7331 return res; 7332 } 7333 7334 /** 7335 * Derive the value of the {@code cpuAbiOverride} based on the provided 7336 * value and an optional stored value from the package settings. 7337 */ 7338 private static String deriveAbiOverride(String abiOverride, PackageSetting settings) { 7339 String cpuAbiOverride = null; 7340 7341 if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) { 7342 cpuAbiOverride = null; 7343 } else if (abiOverride != null) { 7344 cpuAbiOverride = abiOverride; 7345 } else if (settings != null) { 7346 cpuAbiOverride = settings.cpuAbiOverrideString; 7347 } 7348 7349 return cpuAbiOverride; 7350 } 7351 7352 private PackageParser.Package scanPackageTracedLI(PackageParser.Package pkg, int parseFlags, 7353 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 7354 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 7355 // If the package has children and this is the first dive in the function 7356 // we recursively scan the package with the SCAN_CHECK_ONLY flag set to see 7357 // whether all packages (parent and children) would be successfully scanned 7358 // before the actual scan since scanning mutates internal state and we want 7359 // to atomically install the package and its children. 7360 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7361 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 7362 scanFlags |= SCAN_CHECK_ONLY; 7363 } 7364 } else { 7365 scanFlags &= ~SCAN_CHECK_ONLY; 7366 } 7367 7368 final PackageParser.Package scannedPkg; 7369 try { 7370 // Scan the parent 7371 scannedPkg = scanPackageLI(pkg, parseFlags, scanFlags, currentTime, user); 7372 // Scan the children 7373 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7374 for (int i = 0; i < childCount; i++) { 7375 PackageParser.Package childPkg = pkg.childPackages.get(i); 7376 scanPackageLI(childPkg, parseFlags, 7377 scanFlags, currentTime, user); 7378 } 7379 } finally { 7380 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7381 } 7382 7383 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 7384 return scanPackageTracedLI(pkg, parseFlags, scanFlags, currentTime, user); 7385 } 7386 7387 return scannedPkg; 7388 } 7389 7390 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, int parseFlags, 7391 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 7392 boolean success = false; 7393 try { 7394 final PackageParser.Package res = scanPackageDirtyLI(pkg, parseFlags, scanFlags, 7395 currentTime, user); 7396 success = true; 7397 return res; 7398 } finally { 7399 if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 7400 removeDataDirsLI(pkg.volumeUuid, pkg.packageName); 7401 } 7402 } 7403 } 7404 7405 private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, int parseFlags, 7406 int scanFlags, long currentTime, UserHandle user) 7407 throws PackageManagerException { 7408 final File scanFile = new File(pkg.codePath); 7409 if (pkg.applicationInfo.getCodePath() == null || 7410 pkg.applicationInfo.getResourcePath() == null) { 7411 // Bail out. The resource and code paths haven't been set. 7412 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 7413 "Code and resource paths haven't been set correctly"); 7414 } 7415 7416 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 7417 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 7418 } else { 7419 // Only allow system apps to be flagged as core apps. 7420 pkg.coreApp = false; 7421 } 7422 7423 if ((parseFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 7424 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 7425 } 7426 7427 if (mCustomResolverComponentName != null && 7428 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 7429 setUpCustomResolverActivity(pkg); 7430 } 7431 7432 if (pkg.packageName.equals("android")) { 7433 synchronized (mPackages) { 7434 if (mAndroidApplication != null) { 7435 Slog.w(TAG, "*************************************************"); 7436 Slog.w(TAG, "Core android package being redefined. Skipping."); 7437 Slog.w(TAG, " file=" + scanFile); 7438 Slog.w(TAG, "*************************************************"); 7439 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 7440 "Core android package being redefined. Skipping."); 7441 } 7442 7443 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7444 // Set up information for our fall-back user intent resolution activity. 7445 mPlatformPackage = pkg; 7446 pkg.mVersionCode = mSdkVersion; 7447 mAndroidApplication = pkg.applicationInfo; 7448 7449 if (!mResolverReplaced) { 7450 mResolveActivity.applicationInfo = mAndroidApplication; 7451 mResolveActivity.name = ResolverActivity.class.getName(); 7452 mResolveActivity.packageName = mAndroidApplication.packageName; 7453 mResolveActivity.processName = "system:ui"; 7454 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 7455 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 7456 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 7457 mResolveActivity.theme = R.style.Theme_Holo_Dialog_Alert; 7458 mResolveActivity.exported = true; 7459 mResolveActivity.enabled = true; 7460 mResolveInfo.activityInfo = mResolveActivity; 7461 mResolveInfo.priority = 0; 7462 mResolveInfo.preferredOrder = 0; 7463 mResolveInfo.match = 0; 7464 mResolveComponentName = new ComponentName( 7465 mAndroidApplication.packageName, mResolveActivity.name); 7466 } 7467 } 7468 } 7469 } 7470 7471 if (DEBUG_PACKAGE_SCANNING) { 7472 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 7473 Log.d(TAG, "Scanning package " + pkg.packageName); 7474 } 7475 7476 synchronized (mPackages) { 7477 if (mPackages.containsKey(pkg.packageName) 7478 || mSharedLibraries.containsKey(pkg.packageName)) { 7479 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 7480 "Application package " + pkg.packageName 7481 + " already installed. Skipping duplicate."); 7482 } 7483 7484 // If we're only installing presumed-existing packages, require that the 7485 // scanned APK is both already known and at the path previously established 7486 // for it. Previously unknown packages we pick up normally, but if we have an 7487 // a priori expectation about this package's install presence, enforce it. 7488 // With a singular exception for new system packages. When an OTA contains 7489 // a new system package, we allow the codepath to change from a system location 7490 // to the user-installed location. If we don't allow this change, any newer, 7491 // user-installed version of the application will be ignored. 7492 if ((scanFlags & SCAN_REQUIRE_KNOWN) != 0) { 7493 if (mExpectingBetter.containsKey(pkg.packageName)) { 7494 logCriticalInfo(Log.WARN, 7495 "Relax SCAN_REQUIRE_KNOWN requirement for package " + pkg.packageName); 7496 } else { 7497 PackageSetting known = mSettings.peekPackageLPr(pkg.packageName); 7498 if (known != null) { 7499 if (DEBUG_PACKAGE_SCANNING) { 7500 Log.d(TAG, "Examining " + pkg.codePath 7501 + " and requiring known paths " + known.codePathString 7502 + " & " + known.resourcePathString); 7503 } 7504 if (!pkg.applicationInfo.getCodePath().equals(known.codePathString) 7505 || !pkg.applicationInfo.getResourcePath().equals( 7506 known.resourcePathString)) { 7507 throw new PackageManagerException(INSTALL_FAILED_PACKAGE_CHANGED, 7508 "Application package " + pkg.packageName 7509 + " found at " + pkg.applicationInfo.getCodePath() 7510 + " but expected at " + known.codePathString 7511 + "; ignoring."); 7512 } 7513 } 7514 } 7515 } 7516 } 7517 7518 // Initialize package source and resource directories 7519 File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 7520 File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 7521 7522 SharedUserSetting suid = null; 7523 PackageSetting pkgSetting = null; 7524 7525 if (!isSystemApp(pkg)) { 7526 // Only system apps can use these features. 7527 pkg.mOriginalPackages = null; 7528 pkg.mRealPackage = null; 7529 pkg.mAdoptPermissions = null; 7530 } 7531 7532 // Getting the package setting may have a side-effect, so if we 7533 // are only checking if scan would succeed, stash a copy of the 7534 // old setting to restore at the end. 7535 PackageSetting nonMutatedPs = null; 7536 7537 // writer 7538 synchronized (mPackages) { 7539 if (pkg.mSharedUserId != null) { 7540 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, 0, true); 7541 if (suid == null) { 7542 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 7543 "Creating application package " + pkg.packageName 7544 + " for shared user failed"); 7545 } 7546 if (DEBUG_PACKAGE_SCANNING) { 7547 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 7548 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 7549 + "): packages=" + suid.packages); 7550 } 7551 } 7552 7553 // Check if we are renaming from an original package name. 7554 PackageSetting origPackage = null; 7555 String realName = null; 7556 if (pkg.mOriginalPackages != null) { 7557 // This package may need to be renamed to a previously 7558 // installed name. Let's check on that... 7559 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 7560 if (pkg.mOriginalPackages.contains(renamed)) { 7561 // This package had originally been installed as the 7562 // original name, and we have already taken care of 7563 // transitioning to the new one. Just update the new 7564 // one to continue using the old name. 7565 realName = pkg.mRealPackage; 7566 if (!pkg.packageName.equals(renamed)) { 7567 // Callers into this function may have already taken 7568 // care of renaming the package; only do it here if 7569 // it is not already done. 7570 pkg.setPackageName(renamed); 7571 } 7572 7573 } else { 7574 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 7575 if ((origPackage = mSettings.peekPackageLPr( 7576 pkg.mOriginalPackages.get(i))) != null) { 7577 // We do have the package already installed under its 7578 // original name... should we use it? 7579 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 7580 // New package is not compatible with original. 7581 origPackage = null; 7582 continue; 7583 } else if (origPackage.sharedUser != null) { 7584 // Make sure uid is compatible between packages. 7585 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 7586 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 7587 + " to " + pkg.packageName + ": old uid " 7588 + origPackage.sharedUser.name 7589 + " differs from " + pkg.mSharedUserId); 7590 origPackage = null; 7591 continue; 7592 } 7593 } else { 7594 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 7595 + pkg.packageName + " to old name " + origPackage.name); 7596 } 7597 break; 7598 } 7599 } 7600 } 7601 } 7602 7603 if (mTransferedPackages.contains(pkg.packageName)) { 7604 Slog.w(TAG, "Package " + pkg.packageName 7605 + " was transferred to another, but its .apk remains"); 7606 } 7607 7608 // See comments in nonMutatedPs declaration 7609 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 7610 PackageSetting foundPs = mSettings.peekPackageLPr(pkg.packageName); 7611 if (foundPs != null) { 7612 nonMutatedPs = new PackageSetting(foundPs); 7613 } 7614 } 7615 7616 // Just create the setting, don't add it yet. For already existing packages 7617 // the PkgSetting exists already and doesn't have to be created. 7618 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 7619 destResourceFile, pkg.applicationInfo.nativeLibraryRootDir, 7620 pkg.applicationInfo.primaryCpuAbi, 7621 pkg.applicationInfo.secondaryCpuAbi, 7622 pkg.applicationInfo.flags, pkg.applicationInfo.privateFlags, 7623 user, false); 7624 if (pkgSetting == null) { 7625 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 7626 "Creating application package " + pkg.packageName + " failed"); 7627 } 7628 7629 if (pkgSetting.origPackage != null) { 7630 // If we are first transitioning from an original package, 7631 // fix up the new package's name now. We need to do this after 7632 // looking up the package under its new name, so getPackageLP 7633 // can take care of fiddling things correctly. 7634 pkg.setPackageName(origPackage.name); 7635 7636 // File a report about this. 7637 String msg = "New package " + pkgSetting.realName 7638 + " renamed to replace old package " + pkgSetting.name; 7639 reportSettingsProblem(Log.WARN, msg); 7640 7641 // Make a note of it. 7642 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7643 mTransferedPackages.add(origPackage.name); 7644 } 7645 7646 // No longer need to retain this. 7647 pkgSetting.origPackage = null; 7648 } 7649 7650 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && realName != null) { 7651 // Make a note of it. 7652 mTransferedPackages.add(pkg.packageName); 7653 } 7654 7655 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 7656 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 7657 } 7658 7659 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 7660 // Check all shared libraries and map to their actual file path. 7661 // We only do this here for apps not on a system dir, because those 7662 // are the only ones that can fail an install due to this. We 7663 // will take care of the system apps by updating all of their 7664 // library paths after the scan is done. 7665 updateSharedLibrariesLPw(pkg, null); 7666 } 7667 7668 if (mFoundPolicyFile) { 7669 SELinuxMMAC.assignSeinfoValue(pkg); 7670 } 7671 7672 pkg.applicationInfo.uid = pkgSetting.appId; 7673 pkg.mExtras = pkgSetting; 7674 if (shouldCheckUpgradeKeySetLP(pkgSetting, scanFlags)) { 7675 if (checkUpgradeKeySetLP(pkgSetting, pkg)) { 7676 // We just determined the app is signed correctly, so bring 7677 // over the latest parsed certs. 7678 pkgSetting.signatures.mSignatures = pkg.mSignatures; 7679 } else { 7680 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 7681 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 7682 "Package " + pkg.packageName + " upgrade keys do not match the " 7683 + "previously installed version"); 7684 } else { 7685 pkgSetting.signatures.mSignatures = pkg.mSignatures; 7686 String msg = "System package " + pkg.packageName 7687 + " signature changed; retaining data."; 7688 reportSettingsProblem(Log.WARN, msg); 7689 } 7690 } 7691 } else { 7692 try { 7693 verifySignaturesLP(pkgSetting, pkg); 7694 // We just determined the app is signed correctly, so bring 7695 // over the latest parsed certs. 7696 pkgSetting.signatures.mSignatures = pkg.mSignatures; 7697 } catch (PackageManagerException e) { 7698 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 7699 throw e; 7700 } 7701 // The signature has changed, but this package is in the system 7702 // image... let's recover! 7703 pkgSetting.signatures.mSignatures = pkg.mSignatures; 7704 // However... if this package is part of a shared user, but it 7705 // doesn't match the signature of the shared user, let's fail. 7706 // What this means is that you can't change the signatures 7707 // associated with an overall shared user, which doesn't seem all 7708 // that unreasonable. 7709 if (pkgSetting.sharedUser != null) { 7710 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 7711 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 7712 throw new PackageManagerException( 7713 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 7714 "Signature mismatch for shared user: " 7715 + pkgSetting.sharedUser); 7716 } 7717 } 7718 // File a report about this. 7719 String msg = "System package " + pkg.packageName 7720 + " signature changed; retaining data."; 7721 reportSettingsProblem(Log.WARN, msg); 7722 } 7723 } 7724 // Verify that this new package doesn't have any content providers 7725 // that conflict with existing packages. Only do this if the 7726 // package isn't already installed, since we don't want to break 7727 // things that are installed. 7728 if ((scanFlags & SCAN_NEW_INSTALL) != 0) { 7729 final int N = pkg.providers.size(); 7730 int i; 7731 for (i=0; i<N; i++) { 7732 PackageParser.Provider p = pkg.providers.get(i); 7733 if (p.info.authority != null) { 7734 String names[] = p.info.authority.split(";"); 7735 for (int j = 0; j < names.length; j++) { 7736 if (mProvidersByAuthority.containsKey(names[j])) { 7737 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 7738 final String otherPackageName = 7739 ((other != null && other.getComponentName() != null) ? 7740 other.getComponentName().getPackageName() : "?"); 7741 throw new PackageManagerException( 7742 INSTALL_FAILED_CONFLICTING_PROVIDER, 7743 "Can't install because provider name " + names[j] 7744 + " (in package " + pkg.applicationInfo.packageName 7745 + ") is already used by " + otherPackageName); 7746 } 7747 } 7748 } 7749 } 7750 } 7751 7752 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && pkg.mAdoptPermissions != null) { 7753 // This package wants to adopt ownership of permissions from 7754 // another package. 7755 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 7756 final String origName = pkg.mAdoptPermissions.get(i); 7757 final PackageSetting orig = mSettings.peekPackageLPr(origName); 7758 if (orig != null) { 7759 if (verifyPackageUpdateLPr(orig, pkg)) { 7760 Slog.i(TAG, "Adopting permissions from " + origName + " to " 7761 + pkg.packageName); 7762 mSettings.transferPermissionsLPw(origName, pkg.packageName); 7763 } 7764 } 7765 } 7766 } 7767 } 7768 7769 final String pkgName = pkg.packageName; 7770 7771 final long scanFileTime = scanFile.lastModified(); 7772 final boolean forceDex = (scanFlags & SCAN_FORCE_DEX) != 0; 7773 pkg.applicationInfo.processName = fixProcessName( 7774 pkg.applicationInfo.packageName, 7775 pkg.applicationInfo.processName, 7776 pkg.applicationInfo.uid); 7777 7778 if (pkg != mPlatformPackage) { 7779 // Get all of our default paths setup 7780 pkg.applicationInfo.initForUser(UserHandle.USER_SYSTEM); 7781 } 7782 7783 final String path = scanFile.getPath(); 7784 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 7785 7786 if ((scanFlags & SCAN_NEW_INSTALL) == 0) { 7787 derivePackageAbi(pkg, scanFile, cpuAbiOverride, true /* extract libs */); 7788 7789 // Some system apps still use directory structure for native libraries 7790 // in which case we might end up not detecting abi solely based on apk 7791 // structure. Try to detect abi based on directory structure. 7792 if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp() && 7793 pkg.applicationInfo.primaryCpuAbi == null) { 7794 setBundledAppAbisAndRoots(pkg, pkgSetting); 7795 setNativeLibraryPaths(pkg); 7796 } 7797 7798 } else { 7799 if ((scanFlags & SCAN_MOVE) != 0) { 7800 // We haven't run dex-opt for this move (since we've moved the compiled output too) 7801 // but we already have this packages package info in the PackageSetting. We just 7802 // use that and derive the native library path based on the new codepath. 7803 pkg.applicationInfo.primaryCpuAbi = pkgSetting.primaryCpuAbiString; 7804 pkg.applicationInfo.secondaryCpuAbi = pkgSetting.secondaryCpuAbiString; 7805 } 7806 7807 // Set native library paths again. For moves, the path will be updated based on the 7808 // ABIs we've determined above. For non-moves, the path will be updated based on the 7809 // ABIs we determined during compilation, but the path will depend on the final 7810 // package path (after the rename away from the stage path). 7811 setNativeLibraryPaths(pkg); 7812 } 7813 7814 // This is a special case for the "system" package, where the ABI is 7815 // dictated by the zygote configuration (and init.rc). We should keep track 7816 // of this ABI so that we can deal with "normal" applications that run under 7817 // the same UID correctly. 7818 if (mPlatformPackage == pkg) { 7819 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 7820 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 7821 } 7822 7823 // If there's a mismatch between the abi-override in the package setting 7824 // and the abiOverride specified for the install. Warn about this because we 7825 // would've already compiled the app without taking the package setting into 7826 // account. 7827 if ((scanFlags & SCAN_NO_DEX) == 0 && (scanFlags & SCAN_NEW_INSTALL) != 0) { 7828 if (cpuAbiOverride == null && pkgSetting.cpuAbiOverrideString != null) { 7829 Slog.w(TAG, "Ignoring persisted ABI override " + cpuAbiOverride + 7830 " for package " + pkg.packageName); 7831 } 7832 } 7833 7834 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 7835 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 7836 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 7837 7838 // Copy the derived override back to the parsed package, so that we can 7839 // update the package settings accordingly. 7840 pkg.cpuAbiOverride = cpuAbiOverride; 7841 7842 if (DEBUG_ABI_SELECTION) { 7843 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 7844 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 7845 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 7846 } 7847 7848 // Push the derived path down into PackageSettings so we know what to 7849 // clean up at uninstall time. 7850 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 7851 7852 if (DEBUG_ABI_SELECTION) { 7853 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 7854 " primary=" + pkg.applicationInfo.primaryCpuAbi + 7855 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 7856 } 7857 7858 if ((scanFlags & SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 7859 // We don't do this here during boot because we can do it all 7860 // at once after scanning all existing packages. 7861 // 7862 // We also do this *before* we perform dexopt on this package, so that 7863 // we can avoid redundant dexopts, and also to make sure we've got the 7864 // code and package path correct. 7865 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 7866 pkg, true /* boot complete */); 7867 } 7868 7869 if (mFactoryTest && pkg.requestedPermissions.contains( 7870 android.Manifest.permission.FACTORY_TEST)) { 7871 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 7872 } 7873 7874 ArrayList<PackageParser.Package> clientLibPkgs = null; 7875 7876 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 7877 if (nonMutatedPs != null) { 7878 synchronized (mPackages) { 7879 mSettings.mPackages.put(nonMutatedPs.name, nonMutatedPs); 7880 } 7881 } 7882 return pkg; 7883 } 7884 7885 // Only privileged apps and updated privileged apps can add child packages. 7886 if (pkg.childPackages != null && !pkg.childPackages.isEmpty()) { 7887 if ((parseFlags & PARSE_IS_PRIVILEGED) == 0) { 7888 throw new PackageManagerException("Only privileged apps and updated " 7889 + "privileged apps can add child packages. Ignoring package " 7890 + pkg.packageName); 7891 } 7892 final int childCount = pkg.childPackages.size(); 7893 for (int i = 0; i < childCount; i++) { 7894 PackageParser.Package childPkg = pkg.childPackages.get(i); 7895 if (mSettings.hasOtherDisabledSystemPkgWithChildLPr(pkg.packageName, 7896 childPkg.packageName)) { 7897 throw new PackageManagerException("Cannot override a child package of " 7898 + "another disabled system app. Ignoring package " + pkg.packageName); 7899 } 7900 } 7901 } 7902 7903 // writer 7904 synchronized (mPackages) { 7905 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 7906 // Only system apps can add new shared libraries. 7907 if (pkg.libraryNames != null) { 7908 for (int i=0; i<pkg.libraryNames.size(); i++) { 7909 String name = pkg.libraryNames.get(i); 7910 boolean allowed = false; 7911 if (pkg.isUpdatedSystemApp()) { 7912 // New library entries can only be added through the 7913 // system image. This is important to get rid of a lot 7914 // of nasty edge cases: for example if we allowed a non- 7915 // system update of the app to add a library, then uninstalling 7916 // the update would make the library go away, and assumptions 7917 // we made such as through app install filtering would now 7918 // have allowed apps on the device which aren't compatible 7919 // with it. Better to just have the restriction here, be 7920 // conservative, and create many fewer cases that can negatively 7921 // impact the user experience. 7922 final PackageSetting sysPs = mSettings 7923 .getDisabledSystemPkgLPr(pkg.packageName); 7924 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 7925 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 7926 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 7927 allowed = true; 7928 break; 7929 } 7930 } 7931 } 7932 } else { 7933 allowed = true; 7934 } 7935 if (allowed) { 7936 if (!mSharedLibraries.containsKey(name)) { 7937 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 7938 } else if (!name.equals(pkg.packageName)) { 7939 Slog.w(TAG, "Package " + pkg.packageName + " library " 7940 + name + " already exists; skipping"); 7941 } 7942 } else { 7943 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 7944 + name + " that is not declared on system image; skipping"); 7945 } 7946 } 7947 if ((scanFlags & SCAN_BOOTING) == 0) { 7948 // If we are not booting, we need to update any applications 7949 // that are clients of our shared library. If we are booting, 7950 // this will all be done once the scan is complete. 7951 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 7952 } 7953 } 7954 } 7955 } 7956 7957 // Request the ActivityManager to kill the process(only for existing packages) 7958 // so that we do not end up in a confused state while the user is still using the older 7959 // version of the application while the new one gets installed. 7960 final boolean isReplacing = (scanFlags & SCAN_REPLACING) != 0; 7961 final boolean killApp = (scanFlags & SCAN_DONT_KILL_APP) == 0; 7962 if (killApp) { 7963 if (isReplacing) { 7964 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "killApplication"); 7965 7966 killApplication(pkg.applicationInfo.packageName, 7967 pkg.applicationInfo.uid, "replace pkg"); 7968 7969 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7970 } 7971 } 7972 7973 // Also need to kill any apps that are dependent on the library. 7974 if (clientLibPkgs != null) { 7975 for (int i=0; i<clientLibPkgs.size(); i++) { 7976 PackageParser.Package clientPkg = clientLibPkgs.get(i); 7977 killApplication(clientPkg.applicationInfo.packageName, 7978 clientPkg.applicationInfo.uid, "update lib"); 7979 } 7980 } 7981 7982 // Make sure we're not adding any bogus keyset info 7983 KeySetManagerService ksms = mSettings.mKeySetManagerService; 7984 ksms.assertScannedPackageValid(pkg); 7985 7986 // writer 7987 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 7988 7989 boolean createIdmapFailed = false; 7990 synchronized (mPackages) { 7991 // We don't expect installation to fail beyond this point 7992 7993 // Add the new setting to mSettings 7994 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 7995 // Add the new setting to mPackages 7996 mPackages.put(pkg.applicationInfo.packageName, pkg); 7997 // Make sure we don't accidentally delete its data. 7998 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 7999 while (iter.hasNext()) { 8000 PackageCleanItem item = iter.next(); 8001 if (pkgName.equals(item.packageName)) { 8002 iter.remove(); 8003 } 8004 } 8005 8006 // Take care of first install / last update times. 8007 if (currentTime != 0) { 8008 if (pkgSetting.firstInstallTime == 0) { 8009 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 8010 } else if ((scanFlags&SCAN_UPDATE_TIME) != 0) { 8011 pkgSetting.lastUpdateTime = currentTime; 8012 } 8013 } else if (pkgSetting.firstInstallTime == 0) { 8014 // We need *something*. Take time time stamp of the file. 8015 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 8016 } else if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 8017 if (scanFileTime != pkgSetting.timeStamp) { 8018 // A package on the system image has changed; consider this 8019 // to be an update. 8020 pkgSetting.lastUpdateTime = scanFileTime; 8021 } 8022 } 8023 8024 // Add the package's KeySets to the global KeySetManagerService 8025 ksms.addScannedPackageLPw(pkg); 8026 8027 int N = pkg.providers.size(); 8028 StringBuilder r = null; 8029 int i; 8030 for (i=0; i<N; i++) { 8031 PackageParser.Provider p = pkg.providers.get(i); 8032 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 8033 p.info.processName, pkg.applicationInfo.uid); 8034 mProviders.addProvider(p); 8035 p.syncable = p.info.isSyncable; 8036 if (p.info.authority != null) { 8037 String names[] = p.info.authority.split(";"); 8038 p.info.authority = null; 8039 for (int j = 0; j < names.length; j++) { 8040 if (j == 1 && p.syncable) { 8041 // We only want the first authority for a provider to possibly be 8042 // syncable, so if we already added this provider using a different 8043 // authority clear the syncable flag. We copy the provider before 8044 // changing it because the mProviders object contains a reference 8045 // to a provider that we don't want to change. 8046 // Only do this for the second authority since the resulting provider 8047 // object can be the same for all future authorities for this provider. 8048 p = new PackageParser.Provider(p); 8049 p.syncable = false; 8050 } 8051 if (!mProvidersByAuthority.containsKey(names[j])) { 8052 mProvidersByAuthority.put(names[j], p); 8053 if (p.info.authority == null) { 8054 p.info.authority = names[j]; 8055 } else { 8056 p.info.authority = p.info.authority + ";" + names[j]; 8057 } 8058 if (DEBUG_PACKAGE_SCANNING) { 8059 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 8060 Log.d(TAG, "Registered content provider: " + names[j] 8061 + ", className = " + p.info.name + ", isSyncable = " 8062 + p.info.isSyncable); 8063 } 8064 } else { 8065 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 8066 Slog.w(TAG, "Skipping provider name " + names[j] + 8067 " (in package " + pkg.applicationInfo.packageName + 8068 "): name already used by " 8069 + ((other != null && other.getComponentName() != null) 8070 ? other.getComponentName().getPackageName() : "?")); 8071 } 8072 } 8073 } 8074 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8075 if (r == null) { 8076 r = new StringBuilder(256); 8077 } else { 8078 r.append(' '); 8079 } 8080 r.append(p.info.name); 8081 } 8082 } 8083 if (r != null) { 8084 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 8085 } 8086 8087 N = pkg.services.size(); 8088 r = null; 8089 for (i=0; i<N; i++) { 8090 PackageParser.Service s = pkg.services.get(i); 8091 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 8092 s.info.processName, pkg.applicationInfo.uid); 8093 mServices.addService(s); 8094 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8095 if (r == null) { 8096 r = new StringBuilder(256); 8097 } else { 8098 r.append(' '); 8099 } 8100 r.append(s.info.name); 8101 } 8102 } 8103 if (r != null) { 8104 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 8105 } 8106 8107 N = pkg.receivers.size(); 8108 r = null; 8109 for (i=0; i<N; i++) { 8110 PackageParser.Activity a = pkg.receivers.get(i); 8111 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 8112 a.info.processName, pkg.applicationInfo.uid); 8113 mReceivers.addActivity(a, "receiver"); 8114 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8115 if (r == null) { 8116 r = new StringBuilder(256); 8117 } else { 8118 r.append(' '); 8119 } 8120 r.append(a.info.name); 8121 } 8122 } 8123 if (r != null) { 8124 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 8125 } 8126 8127 N = pkg.activities.size(); 8128 r = null; 8129 for (i=0; i<N; i++) { 8130 PackageParser.Activity a = pkg.activities.get(i); 8131 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 8132 a.info.processName, pkg.applicationInfo.uid); 8133 mActivities.addActivity(a, "activity"); 8134 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8135 if (r == null) { 8136 r = new StringBuilder(256); 8137 } else { 8138 r.append(' '); 8139 } 8140 r.append(a.info.name); 8141 } 8142 } 8143 if (r != null) { 8144 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 8145 } 8146 8147 N = pkg.permissionGroups.size(); 8148 r = null; 8149 for (i=0; i<N; i++) { 8150 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 8151 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 8152 if (cur == null) { 8153 mPermissionGroups.put(pg.info.name, pg); 8154 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8155 if (r == null) { 8156 r = new StringBuilder(256); 8157 } else { 8158 r.append(' '); 8159 } 8160 r.append(pg.info.name); 8161 } 8162 } else { 8163 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 8164 + pg.info.packageName + " ignored: original from " 8165 + cur.info.packageName); 8166 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8167 if (r == null) { 8168 r = new StringBuilder(256); 8169 } else { 8170 r.append(' '); 8171 } 8172 r.append("DUP:"); 8173 r.append(pg.info.name); 8174 } 8175 } 8176 } 8177 if (r != null) { 8178 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 8179 } 8180 8181 N = pkg.permissions.size(); 8182 r = null; 8183 for (i=0; i<N; i++) { 8184 PackageParser.Permission p = pkg.permissions.get(i); 8185 8186 // Assume by default that we did not install this permission into the system. 8187 p.info.flags &= ~PermissionInfo.FLAG_INSTALLED; 8188 8189 // Now that permission groups have a special meaning, we ignore permission 8190 // groups for legacy apps to prevent unexpected behavior. In particular, 8191 // permissions for one app being granted to someone just becase they happen 8192 // to be in a group defined by another app (before this had no implications). 8193 if (pkg.applicationInfo.targetSdkVersion > Build.VERSION_CODES.LOLLIPOP_MR1) { 8194 p.group = mPermissionGroups.get(p.info.group); 8195 // Warn for a permission in an unknown group. 8196 if (p.info.group != null && p.group == null) { 8197 Slog.w(TAG, "Permission " + p.info.name + " from package " 8198 + p.info.packageName + " in an unknown group " + p.info.group); 8199 } 8200 } 8201 8202 ArrayMap<String, BasePermission> permissionMap = 8203 p.tree ? mSettings.mPermissionTrees 8204 : mSettings.mPermissions; 8205 BasePermission bp = permissionMap.get(p.info.name); 8206 8207 // Allow system apps to redefine non-system permissions 8208 if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) { 8209 final boolean currentOwnerIsSystem = (bp.perm != null 8210 && isSystemApp(bp.perm.owner)); 8211 if (isSystemApp(p.owner)) { 8212 if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) { 8213 // It's a built-in permission and no owner, take ownership now 8214 bp.packageSetting = pkgSetting; 8215 bp.perm = p; 8216 bp.uid = pkg.applicationInfo.uid; 8217 bp.sourcePackage = p.info.packageName; 8218 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 8219 } else if (!currentOwnerIsSystem) { 8220 String msg = "New decl " + p.owner + " of permission " 8221 + p.info.name + " is system; overriding " + bp.sourcePackage; 8222 reportSettingsProblem(Log.WARN, msg); 8223 bp = null; 8224 } 8225 } 8226 } 8227 8228 if (bp == null) { 8229 bp = new BasePermission(p.info.name, p.info.packageName, 8230 BasePermission.TYPE_NORMAL); 8231 permissionMap.put(p.info.name, bp); 8232 } 8233 8234 if (bp.perm == null) { 8235 if (bp.sourcePackage == null 8236 || bp.sourcePackage.equals(p.info.packageName)) { 8237 BasePermission tree = findPermissionTreeLP(p.info.name); 8238 if (tree == null 8239 || tree.sourcePackage.equals(p.info.packageName)) { 8240 bp.packageSetting = pkgSetting; 8241 bp.perm = p; 8242 bp.uid = pkg.applicationInfo.uid; 8243 bp.sourcePackage = p.info.packageName; 8244 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 8245 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8246 if (r == null) { 8247 r = new StringBuilder(256); 8248 } else { 8249 r.append(' '); 8250 } 8251 r.append(p.info.name); 8252 } 8253 } else { 8254 Slog.w(TAG, "Permission " + p.info.name + " from package " 8255 + p.info.packageName + " ignored: base tree " 8256 + tree.name + " is from package " 8257 + tree.sourcePackage); 8258 } 8259 } else { 8260 Slog.w(TAG, "Permission " + p.info.name + " from package " 8261 + p.info.packageName + " ignored: original from " 8262 + bp.sourcePackage); 8263 } 8264 } else if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8265 if (r == null) { 8266 r = new StringBuilder(256); 8267 } else { 8268 r.append(' '); 8269 } 8270 r.append("DUP:"); 8271 r.append(p.info.name); 8272 } 8273 if (bp.perm == p) { 8274 bp.protectionLevel = p.info.protectionLevel; 8275 } 8276 } 8277 8278 if (r != null) { 8279 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 8280 } 8281 8282 N = pkg.instrumentation.size(); 8283 r = null; 8284 for (i=0; i<N; i++) { 8285 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 8286 a.info.packageName = pkg.applicationInfo.packageName; 8287 a.info.sourceDir = pkg.applicationInfo.sourceDir; 8288 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 8289 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 8290 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 8291 a.info.dataDir = pkg.applicationInfo.dataDir; 8292 a.info.deviceEncryptedDataDir = pkg.applicationInfo.deviceEncryptedDataDir; 8293 a.info.credentialEncryptedDataDir = pkg.applicationInfo.credentialEncryptedDataDir; 8294 8295 // TODO: Update instrumentation.nativeLibraryDir as well ? Does it 8296 // need other information about the application, like the ABI and what not ? 8297 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 8298 mInstrumentation.put(a.getComponentName(), a); 8299 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8300 if (r == null) { 8301 r = new StringBuilder(256); 8302 } else { 8303 r.append(' '); 8304 } 8305 r.append(a.info.name); 8306 } 8307 } 8308 if (r != null) { 8309 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 8310 } 8311 8312 if (pkg.protectedBroadcasts != null) { 8313 N = pkg.protectedBroadcasts.size(); 8314 for (i=0; i<N; i++) { 8315 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 8316 } 8317 } 8318 8319 pkgSetting.setTimeStamp(scanFileTime); 8320 8321 // Create idmap files for pairs of (packages, overlay packages). 8322 // Note: "android", ie framework-res.apk, is handled by native layers. 8323 if (pkg.mOverlayTarget != null) { 8324 // This is an overlay package. 8325 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 8326 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 8327 mOverlays.put(pkg.mOverlayTarget, 8328 new ArrayMap<String, PackageParser.Package>()); 8329 } 8330 ArrayMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 8331 map.put(pkg.packageName, pkg); 8332 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 8333 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 8334 createIdmapFailed = true; 8335 } 8336 } 8337 } else if (mOverlays.containsKey(pkg.packageName) && 8338 !pkg.packageName.equals("android")) { 8339 // This is a regular package, with one or more known overlay packages. 8340 createIdmapsForPackageLI(pkg); 8341 } 8342 } 8343 8344 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8345 8346 if (createIdmapFailed) { 8347 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 8348 "scanPackageLI failed to createIdmap"); 8349 } 8350 return pkg; 8351 } 8352 8353 /** 8354 * Derive the ABI of a non-system package located at {@code scanFile}. This information 8355 * is derived purely on the basis of the contents of {@code scanFile} and 8356 * {@code cpuAbiOverride}. 8357 * 8358 * If {@code extractLibs} is true, native libraries are extracted from the app if required. 8359 */ 8360 private void derivePackageAbi(PackageParser.Package pkg, File scanFile, 8361 String cpuAbiOverride, boolean extractLibs) 8362 throws PackageManagerException { 8363 // TODO: We can probably be smarter about this stuff. For installed apps, 8364 // we can calculate this information at install time once and for all. For 8365 // system apps, we can probably assume that this information doesn't change 8366 // after the first boot scan. As things stand, we do lots of unnecessary work. 8367 8368 // Give ourselves some initial paths; we'll come back for another 8369 // pass once we've determined ABI below. 8370 setNativeLibraryPaths(pkg); 8371 8372 // We would never need to extract libs for forward-locked and external packages, 8373 // since the container service will do it for us. We shouldn't attempt to 8374 // extract libs from system app when it was not updated. 8375 if (pkg.isForwardLocked() || pkg.applicationInfo.isExternalAsec() || 8376 (isSystemApp(pkg) && !pkg.isUpdatedSystemApp())) { 8377 extractLibs = false; 8378 } 8379 8380 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 8381 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 8382 8383 NativeLibraryHelper.Handle handle = null; 8384 try { 8385 handle = NativeLibraryHelper.Handle.create(pkg); 8386 // TODO(multiArch): This can be null for apps that didn't go through the 8387 // usual installation process. We can calculate it again, like we 8388 // do during install time. 8389 // 8390 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 8391 // unnecessary. 8392 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 8393 8394 // Null out the abis so that they can be recalculated. 8395 pkg.applicationInfo.primaryCpuAbi = null; 8396 pkg.applicationInfo.secondaryCpuAbi = null; 8397 if (isMultiArch(pkg.applicationInfo)) { 8398 // Warn if we've set an abiOverride for multi-lib packages.. 8399 // By definition, we need to copy both 32 and 64 bit libraries for 8400 // such packages. 8401 if (pkg.cpuAbiOverride != null 8402 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 8403 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 8404 } 8405 8406 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 8407 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 8408 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 8409 if (extractLibs) { 8410 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 8411 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 8412 useIsaSpecificSubdirs); 8413 } else { 8414 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 8415 } 8416 } 8417 8418 maybeThrowExceptionForMultiArchCopy( 8419 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 8420 8421 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 8422 if (extractLibs) { 8423 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 8424 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 8425 useIsaSpecificSubdirs); 8426 } else { 8427 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 8428 } 8429 } 8430 8431 maybeThrowExceptionForMultiArchCopy( 8432 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 8433 8434 if (abi64 >= 0) { 8435 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 8436 } 8437 8438 if (abi32 >= 0) { 8439 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 8440 if (abi64 >= 0) { 8441 if (cpuAbiOverride == null && pkg.use32bitAbi) { 8442 pkg.applicationInfo.secondaryCpuAbi = pkg.applicationInfo.primaryCpuAbi; 8443 pkg.applicationInfo.primaryCpuAbi = abi; 8444 } else { 8445 pkg.applicationInfo.secondaryCpuAbi = abi; 8446 } 8447 } else { 8448 pkg.applicationInfo.primaryCpuAbi = abi; 8449 } 8450 } 8451 8452 } else { 8453 String[] abiList = (cpuAbiOverride != null) ? 8454 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 8455 8456 // Enable gross and lame hacks for apps that are built with old 8457 // SDK tools. We must scan their APKs for renderscript bitcode and 8458 // not launch them if it's present. Don't bother checking on devices 8459 // that don't have 64 bit support. 8460 boolean needsRenderScriptOverride = false; 8461 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 8462 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 8463 abiList = Build.SUPPORTED_32_BIT_ABIS; 8464 needsRenderScriptOverride = true; 8465 } 8466 8467 final int copyRet; 8468 if (extractLibs) { 8469 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 8470 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 8471 } else { 8472 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 8473 } 8474 8475 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 8476 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 8477 "Error unpackaging native libs for app, errorCode=" + copyRet); 8478 } 8479 8480 if (copyRet >= 0) { 8481 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 8482 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 8483 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 8484 } else if (needsRenderScriptOverride) { 8485 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 8486 } 8487 } 8488 } catch (IOException ioe) { 8489 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 8490 } finally { 8491 IoUtils.closeQuietly(handle); 8492 } 8493 8494 // Now that we've calculated the ABIs and determined if it's an internal app, 8495 // we will go ahead and populate the nativeLibraryPath. 8496 setNativeLibraryPaths(pkg); 8497 } 8498 8499 /** 8500 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 8501 * i.e, so that all packages can be run inside a single process if required. 8502 * 8503 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 8504 * this function will either try and make the ABI for all packages in {@code packagesForUser} 8505 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 8506 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 8507 * updating a package that belongs to a shared user. 8508 * 8509 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 8510 * adds unnecessary complexity. 8511 */ 8512 private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 8513 PackageParser.Package scannedPackage, boolean bootComplete) { 8514 String requiredInstructionSet = null; 8515 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 8516 requiredInstructionSet = VMRuntime.getInstructionSet( 8517 scannedPackage.applicationInfo.primaryCpuAbi); 8518 } 8519 8520 PackageSetting requirer = null; 8521 for (PackageSetting ps : packagesForUser) { 8522 // If packagesForUser contains scannedPackage, we skip it. This will happen 8523 // when scannedPackage is an update of an existing package. Without this check, 8524 // we will never be able to change the ABI of any package belonging to a shared 8525 // user, even if it's compatible with other packages. 8526 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 8527 if (ps.primaryCpuAbiString == null) { 8528 continue; 8529 } 8530 8531 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 8532 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 8533 // We have a mismatch between instruction sets (say arm vs arm64) warn about 8534 // this but there's not much we can do. 8535 String errorMessage = "Instruction set mismatch, " 8536 + ((requirer == null) ? "[caller]" : requirer) 8537 + " requires " + requiredInstructionSet + " whereas " + ps 8538 + " requires " + instructionSet; 8539 Slog.w(TAG, errorMessage); 8540 } 8541 8542 if (requiredInstructionSet == null) { 8543 requiredInstructionSet = instructionSet; 8544 requirer = ps; 8545 } 8546 } 8547 } 8548 8549 if (requiredInstructionSet != null) { 8550 String adjustedAbi; 8551 if (requirer != null) { 8552 // requirer != null implies that either scannedPackage was null or that scannedPackage 8553 // did not require an ABI, in which case we have to adjust scannedPackage to match 8554 // the ABI of the set (which is the same as requirer's ABI) 8555 adjustedAbi = requirer.primaryCpuAbiString; 8556 if (scannedPackage != null) { 8557 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 8558 } 8559 } else { 8560 // requirer == null implies that we're updating all ABIs in the set to 8561 // match scannedPackage. 8562 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 8563 } 8564 8565 for (PackageSetting ps : packagesForUser) { 8566 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 8567 if (ps.primaryCpuAbiString != null) { 8568 continue; 8569 } 8570 8571 ps.primaryCpuAbiString = adjustedAbi; 8572 if (ps.pkg != null && ps.pkg.applicationInfo != null && 8573 !TextUtils.equals(adjustedAbi, ps.pkg.applicationInfo.primaryCpuAbi)) { 8574 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 8575 Slog.i(TAG, "Adjusting ABI for " + ps.name + " to " + adjustedAbi 8576 + " (requirer=" 8577 + (requirer == null ? "null" : requirer.pkg.packageName) 8578 + ", scannedPackage=" 8579 + (scannedPackage != null ? scannedPackage.packageName : "null") 8580 + ")"); 8581 try { 8582 mInstaller.rmdex(ps.codePathString, 8583 getDexCodeInstructionSet(getPreferredInstructionSet())); 8584 } catch (InstallerException ignored) { 8585 } 8586 } 8587 } 8588 } 8589 } 8590 } 8591 8592 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 8593 synchronized (mPackages) { 8594 mResolverReplaced = true; 8595 // Set up information for custom user intent resolution activity. 8596 mResolveActivity.applicationInfo = pkg.applicationInfo; 8597 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 8598 mResolveActivity.packageName = pkg.applicationInfo.packageName; 8599 mResolveActivity.processName = pkg.applicationInfo.packageName; 8600 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 8601 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 8602 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 8603 mResolveActivity.theme = 0; 8604 mResolveActivity.exported = true; 8605 mResolveActivity.enabled = true; 8606 mResolveInfo.activityInfo = mResolveActivity; 8607 mResolveInfo.priority = 0; 8608 mResolveInfo.preferredOrder = 0; 8609 mResolveInfo.match = 0; 8610 mResolveComponentName = mCustomResolverComponentName; 8611 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 8612 mResolveComponentName); 8613 } 8614 } 8615 8616 private void setUpEphemeralInstallerActivityLP(ComponentName installerComponent) { 8617 final PackageParser.Package pkg = mPackages.get(installerComponent.getPackageName()); 8618 8619 // Set up information for ephemeral installer activity 8620 mEphemeralInstallerActivity.applicationInfo = pkg.applicationInfo; 8621 mEphemeralInstallerActivity.name = mEphemeralInstallerComponent.getClassName(); 8622 mEphemeralInstallerActivity.packageName = pkg.applicationInfo.packageName; 8623 mEphemeralInstallerActivity.processName = pkg.applicationInfo.packageName; 8624 mEphemeralInstallerActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 8625 mEphemeralInstallerActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 8626 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 8627 mEphemeralInstallerActivity.theme = 0; 8628 mEphemeralInstallerActivity.exported = true; 8629 mEphemeralInstallerActivity.enabled = true; 8630 mEphemeralInstallerInfo.activityInfo = mEphemeralInstallerActivity; 8631 mEphemeralInstallerInfo.priority = 0; 8632 mEphemeralInstallerInfo.preferredOrder = 0; 8633 mEphemeralInstallerInfo.match = 0; 8634 8635 if (DEBUG_EPHEMERAL) { 8636 Slog.d(TAG, "Set ephemeral installer activity: " + mEphemeralInstallerComponent); 8637 } 8638 } 8639 8640 private static String calculateBundledApkRoot(final String codePathString) { 8641 final File codePath = new File(codePathString); 8642 final File codeRoot; 8643 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 8644 codeRoot = Environment.getRootDirectory(); 8645 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 8646 codeRoot = Environment.getOemDirectory(); 8647 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 8648 codeRoot = Environment.getVendorDirectory(); 8649 } else { 8650 // Unrecognized code path; take its top real segment as the apk root: 8651 // e.g. /something/app/blah.apk => /something 8652 try { 8653 File f = codePath.getCanonicalFile(); 8654 File parent = f.getParentFile(); // non-null because codePath is a file 8655 File tmp; 8656 while ((tmp = parent.getParentFile()) != null) { 8657 f = parent; 8658 parent = tmp; 8659 } 8660 codeRoot = f; 8661 Slog.w(TAG, "Unrecognized code path " 8662 + codePath + " - using " + codeRoot); 8663 } catch (IOException e) { 8664 // Can't canonicalize the code path -- shenanigans? 8665 Slog.w(TAG, "Can't canonicalize code path " + codePath); 8666 return Environment.getRootDirectory().getPath(); 8667 } 8668 } 8669 return codeRoot.getPath(); 8670 } 8671 8672 /** 8673 * Derive and set the location of native libraries for the given package, 8674 * which varies depending on where and how the package was installed. 8675 */ 8676 private void setNativeLibraryPaths(PackageParser.Package pkg) { 8677 final ApplicationInfo info = pkg.applicationInfo; 8678 final String codePath = pkg.codePath; 8679 final File codeFile = new File(codePath); 8680 final boolean bundledApp = info.isSystemApp() && !info.isUpdatedSystemApp(); 8681 final boolean asecApp = info.isForwardLocked() || info.isExternalAsec(); 8682 8683 info.nativeLibraryRootDir = null; 8684 info.nativeLibraryRootRequiresIsa = false; 8685 info.nativeLibraryDir = null; 8686 info.secondaryNativeLibraryDir = null; 8687 8688 if (isApkFile(codeFile)) { 8689 // Monolithic install 8690 if (bundledApp) { 8691 // If "/system/lib64/apkname" exists, assume that is the per-package 8692 // native library directory to use; otherwise use "/system/lib/apkname". 8693 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 8694 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 8695 getPrimaryInstructionSet(info)); 8696 8697 // This is a bundled system app so choose the path based on the ABI. 8698 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 8699 // is just the default path. 8700 final String apkName = deriveCodePathName(codePath); 8701 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 8702 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 8703 apkName).getAbsolutePath(); 8704 8705 if (info.secondaryCpuAbi != null) { 8706 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 8707 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 8708 secondaryLibDir, apkName).getAbsolutePath(); 8709 } 8710 } else if (asecApp) { 8711 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 8712 .getAbsolutePath(); 8713 } else { 8714 final String apkName = deriveCodePathName(codePath); 8715 info.nativeLibraryRootDir = new File(mAppLib32InstallDir, apkName) 8716 .getAbsolutePath(); 8717 } 8718 8719 info.nativeLibraryRootRequiresIsa = false; 8720 info.nativeLibraryDir = info.nativeLibraryRootDir; 8721 } else { 8722 // Cluster install 8723 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 8724 info.nativeLibraryRootRequiresIsa = true; 8725 8726 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 8727 getPrimaryInstructionSet(info)).getAbsolutePath(); 8728 8729 if (info.secondaryCpuAbi != null) { 8730 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 8731 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 8732 } 8733 } 8734 } 8735 8736 /** 8737 * Calculate the abis and roots for a bundled app. These can uniquely 8738 * be determined from the contents of the system partition, i.e whether 8739 * it contains 64 or 32 bit shared libraries etc. We do not validate any 8740 * of this information, and instead assume that the system was built 8741 * sensibly. 8742 */ 8743 private void setBundledAppAbisAndRoots(PackageParser.Package pkg, 8744 PackageSetting pkgSetting) { 8745 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 8746 8747 // If "/system/lib64/apkname" exists, assume that is the per-package 8748 // native library directory to use; otherwise use "/system/lib/apkname". 8749 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 8750 setBundledAppAbi(pkg, apkRoot, apkName); 8751 // pkgSetting might be null during rescan following uninstall of updates 8752 // to a bundled app, so accommodate that possibility. The settings in 8753 // that case will be established later from the parsed package. 8754 // 8755 // If the settings aren't null, sync them up with what we've just derived. 8756 // note that apkRoot isn't stored in the package settings. 8757 if (pkgSetting != null) { 8758 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 8759 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 8760 } 8761 } 8762 8763 /** 8764 * Deduces the ABI of a bundled app and sets the relevant fields on the 8765 * parsed pkg object. 8766 * 8767 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 8768 * under which system libraries are installed. 8769 * @param apkName the name of the installed package. 8770 */ 8771 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 8772 final File codeFile = new File(pkg.codePath); 8773 8774 final boolean has64BitLibs; 8775 final boolean has32BitLibs; 8776 if (isApkFile(codeFile)) { 8777 // Monolithic install 8778 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 8779 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 8780 } else { 8781 // Cluster install 8782 final File rootDir = new File(codeFile, LIB_DIR_NAME); 8783 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 8784 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 8785 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 8786 has64BitLibs = (new File(rootDir, isa)).exists(); 8787 } else { 8788 has64BitLibs = false; 8789 } 8790 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 8791 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 8792 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 8793 has32BitLibs = (new File(rootDir, isa)).exists(); 8794 } else { 8795 has32BitLibs = false; 8796 } 8797 } 8798 8799 if (has64BitLibs && !has32BitLibs) { 8800 // The package has 64 bit libs, but not 32 bit libs. Its primary 8801 // ABI should be 64 bit. We can safely assume here that the bundled 8802 // native libraries correspond to the most preferred ABI in the list. 8803 8804 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 8805 pkg.applicationInfo.secondaryCpuAbi = null; 8806 } else if (has32BitLibs && !has64BitLibs) { 8807 // The package has 32 bit libs but not 64 bit libs. Its primary 8808 // ABI should be 32 bit. 8809 8810 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 8811 pkg.applicationInfo.secondaryCpuAbi = null; 8812 } else if (has32BitLibs && has64BitLibs) { 8813 // The application has both 64 and 32 bit bundled libraries. We check 8814 // here that the app declares multiArch support, and warn if it doesn't. 8815 // 8816 // We will be lenient here and record both ABIs. The primary will be the 8817 // ABI that's higher on the list, i.e, a device that's configured to prefer 8818 // 64 bit apps will see a 64 bit primary ABI, 8819 8820 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 8821 Slog.e(TAG, "Package " + pkg + " has multiple bundled libs, but is not multiarch."); 8822 } 8823 8824 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 8825 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 8826 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 8827 } else { 8828 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 8829 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 8830 } 8831 } else { 8832 pkg.applicationInfo.primaryCpuAbi = null; 8833 pkg.applicationInfo.secondaryCpuAbi = null; 8834 } 8835 } 8836 8837 private void killPackage(PackageParser.Package pkg, String reason) { 8838 // Kill the parent package 8839 killApplication(pkg.packageName, pkg.applicationInfo.uid, reason); 8840 // Kill the child packages 8841 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8842 for (int i = 0; i < childCount; i++) { 8843 PackageParser.Package childPkg = pkg.childPackages.get(i); 8844 killApplication(childPkg.packageName, childPkg.applicationInfo.uid, reason); 8845 } 8846 } 8847 8848 private void killApplication(String pkgName, int appId, String reason) { 8849 // Request the ActivityManager to kill the process(only for existing packages) 8850 // so that we do not end up in a confused state while the user is still using the older 8851 // version of the application while the new one gets installed. 8852 IActivityManager am = ActivityManagerNative.getDefault(); 8853 if (am != null) { 8854 try { 8855 am.killApplicationWithAppId(pkgName, appId, reason); 8856 } catch (RemoteException e) { 8857 } 8858 } 8859 } 8860 8861 private void removePackageLI(PackageParser.Package pkg, boolean chatty) { 8862 // Remove the parent package setting 8863 PackageSetting ps = (PackageSetting) pkg.mExtras; 8864 if (ps != null) { 8865 removePackageLI(ps, chatty); 8866 } 8867 // Remove the child package setting 8868 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8869 for (int i = 0; i < childCount; i++) { 8870 PackageParser.Package childPkg = pkg.childPackages.get(i); 8871 ps = (PackageSetting) childPkg.mExtras; 8872 if (ps != null) { 8873 removePackageLI(ps, chatty); 8874 } 8875 } 8876 } 8877 8878 void removePackageLI(PackageSetting ps, boolean chatty) { 8879 if (DEBUG_INSTALL) { 8880 if (chatty) 8881 Log.d(TAG, "Removing package " + ps.name); 8882 } 8883 8884 // writer 8885 synchronized (mPackages) { 8886 mPackages.remove(ps.name); 8887 final PackageParser.Package pkg = ps.pkg; 8888 if (pkg != null) { 8889 cleanPackageDataStructuresLILPw(pkg, chatty); 8890 } 8891 } 8892 } 8893 8894 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 8895 if (DEBUG_INSTALL) { 8896 if (chatty) 8897 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 8898 } 8899 8900 // writer 8901 synchronized (mPackages) { 8902 // Remove the parent package 8903 mPackages.remove(pkg.applicationInfo.packageName); 8904 cleanPackageDataStructuresLILPw(pkg, chatty); 8905 8906 // Remove the child packages 8907 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8908 for (int i = 0; i < childCount; i++) { 8909 PackageParser.Package childPkg = pkg.childPackages.get(i); 8910 mPackages.remove(childPkg.applicationInfo.packageName); 8911 cleanPackageDataStructuresLILPw(childPkg, chatty); 8912 } 8913 } 8914 } 8915 8916 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 8917 int N = pkg.providers.size(); 8918 StringBuilder r = null; 8919 int i; 8920 for (i=0; i<N; i++) { 8921 PackageParser.Provider p = pkg.providers.get(i); 8922 mProviders.removeProvider(p); 8923 if (p.info.authority == null) { 8924 8925 /* There was another ContentProvider with this authority when 8926 * this app was installed so this authority is null, 8927 * Ignore it as we don't have to unregister the provider. 8928 */ 8929 continue; 8930 } 8931 String names[] = p.info.authority.split(";"); 8932 for (int j = 0; j < names.length; j++) { 8933 if (mProvidersByAuthority.get(names[j]) == p) { 8934 mProvidersByAuthority.remove(names[j]); 8935 if (DEBUG_REMOVE) { 8936 if (chatty) 8937 Log.d(TAG, "Unregistered content provider: " + names[j] 8938 + ", className = " + p.info.name + ", isSyncable = " 8939 + p.info.isSyncable); 8940 } 8941 } 8942 } 8943 if (DEBUG_REMOVE && chatty) { 8944 if (r == null) { 8945 r = new StringBuilder(256); 8946 } else { 8947 r.append(' '); 8948 } 8949 r.append(p.info.name); 8950 } 8951 } 8952 if (r != null) { 8953 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 8954 } 8955 8956 N = pkg.services.size(); 8957 r = null; 8958 for (i=0; i<N; i++) { 8959 PackageParser.Service s = pkg.services.get(i); 8960 mServices.removeService(s); 8961 if (chatty) { 8962 if (r == null) { 8963 r = new StringBuilder(256); 8964 } else { 8965 r.append(' '); 8966 } 8967 r.append(s.info.name); 8968 } 8969 } 8970 if (r != null) { 8971 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 8972 } 8973 8974 N = pkg.receivers.size(); 8975 r = null; 8976 for (i=0; i<N; i++) { 8977 PackageParser.Activity a = pkg.receivers.get(i); 8978 mReceivers.removeActivity(a, "receiver"); 8979 if (DEBUG_REMOVE && chatty) { 8980 if (r == null) { 8981 r = new StringBuilder(256); 8982 } else { 8983 r.append(' '); 8984 } 8985 r.append(a.info.name); 8986 } 8987 } 8988 if (r != null) { 8989 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 8990 } 8991 8992 N = pkg.activities.size(); 8993 r = null; 8994 for (i=0; i<N; i++) { 8995 PackageParser.Activity a = pkg.activities.get(i); 8996 mActivities.removeActivity(a, "activity"); 8997 if (DEBUG_REMOVE && chatty) { 8998 if (r == null) { 8999 r = new StringBuilder(256); 9000 } else { 9001 r.append(' '); 9002 } 9003 r.append(a.info.name); 9004 } 9005 } 9006 if (r != null) { 9007 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 9008 } 9009 9010 N = pkg.permissions.size(); 9011 r = null; 9012 for (i=0; i<N; i++) { 9013 PackageParser.Permission p = pkg.permissions.get(i); 9014 BasePermission bp = mSettings.mPermissions.get(p.info.name); 9015 if (bp == null) { 9016 bp = mSettings.mPermissionTrees.get(p.info.name); 9017 } 9018 if (bp != null && bp.perm == p) { 9019 bp.perm = null; 9020 if (DEBUG_REMOVE && chatty) { 9021 if (r == null) { 9022 r = new StringBuilder(256); 9023 } else { 9024 r.append(' '); 9025 } 9026 r.append(p.info.name); 9027 } 9028 } 9029 if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9030 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(p.info.name); 9031 if (appOpPkgs != null) { 9032 appOpPkgs.remove(pkg.packageName); 9033 } 9034 } 9035 } 9036 if (r != null) { 9037 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 9038 } 9039 9040 N = pkg.requestedPermissions.size(); 9041 r = null; 9042 for (i=0; i<N; i++) { 9043 String perm = pkg.requestedPermissions.get(i); 9044 BasePermission bp = mSettings.mPermissions.get(perm); 9045 if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9046 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(perm); 9047 if (appOpPkgs != null) { 9048 appOpPkgs.remove(pkg.packageName); 9049 if (appOpPkgs.isEmpty()) { 9050 mAppOpPermissionPackages.remove(perm); 9051 } 9052 } 9053 } 9054 } 9055 if (r != null) { 9056 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 9057 } 9058 9059 N = pkg.instrumentation.size(); 9060 r = null; 9061 for (i=0; i<N; i++) { 9062 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 9063 mInstrumentation.remove(a.getComponentName()); 9064 if (DEBUG_REMOVE && chatty) { 9065 if (r == null) { 9066 r = new StringBuilder(256); 9067 } else { 9068 r.append(' '); 9069 } 9070 r.append(a.info.name); 9071 } 9072 } 9073 if (r != null) { 9074 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 9075 } 9076 9077 r = null; 9078 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 9079 // Only system apps can hold shared libraries. 9080 if (pkg.libraryNames != null) { 9081 for (i=0; i<pkg.libraryNames.size(); i++) { 9082 String name = pkg.libraryNames.get(i); 9083 SharedLibraryEntry cur = mSharedLibraries.get(name); 9084 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 9085 mSharedLibraries.remove(name); 9086 if (DEBUG_REMOVE && chatty) { 9087 if (r == null) { 9088 r = new StringBuilder(256); 9089 } else { 9090 r.append(' '); 9091 } 9092 r.append(name); 9093 } 9094 } 9095 } 9096 } 9097 } 9098 if (r != null) { 9099 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 9100 } 9101 } 9102 9103 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 9104 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 9105 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 9106 return true; 9107 } 9108 } 9109 return false; 9110 } 9111 9112 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 9113 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 9114 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 9115 9116 private void updatePermissionsLPw(PackageParser.Package pkg, int flags) { 9117 // Update the parent permissions 9118 updatePermissionsLPw(pkg.packageName, pkg, flags); 9119 // Update the child permissions 9120 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9121 for (int i = 0; i < childCount; i++) { 9122 PackageParser.Package childPkg = pkg.childPackages.get(i); 9123 updatePermissionsLPw(childPkg.packageName, childPkg, flags); 9124 } 9125 } 9126 9127 private void updatePermissionsLPw(String changingPkg, PackageParser.Package pkgInfo, 9128 int flags) { 9129 final String volumeUuid = (pkgInfo != null) ? getVolumeUuidForPackage(pkgInfo) : null; 9130 updatePermissionsLPw(changingPkg, pkgInfo, volumeUuid, flags); 9131 } 9132 9133 private void updatePermissionsLPw(String changingPkg, 9134 PackageParser.Package pkgInfo, String replaceVolumeUuid, int flags) { 9135 // Make sure there are no dangling permission trees. 9136 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 9137 while (it.hasNext()) { 9138 final BasePermission bp = it.next(); 9139 if (bp.packageSetting == null) { 9140 // We may not yet have parsed the package, so just see if 9141 // we still know about its settings. 9142 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 9143 } 9144 if (bp.packageSetting == null) { 9145 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 9146 + " from package " + bp.sourcePackage); 9147 it.remove(); 9148 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 9149 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 9150 Slog.i(TAG, "Removing old permission tree: " + bp.name 9151 + " from package " + bp.sourcePackage); 9152 flags |= UPDATE_PERMISSIONS_ALL; 9153 it.remove(); 9154 } 9155 } 9156 } 9157 9158 // Make sure all dynamic permissions have been assigned to a package, 9159 // and make sure there are no dangling permissions. 9160 it = mSettings.mPermissions.values().iterator(); 9161 while (it.hasNext()) { 9162 final BasePermission bp = it.next(); 9163 if (bp.type == BasePermission.TYPE_DYNAMIC) { 9164 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 9165 + bp.name + " pkg=" + bp.sourcePackage 9166 + " info=" + bp.pendingInfo); 9167 if (bp.packageSetting == null && bp.pendingInfo != null) { 9168 final BasePermission tree = findPermissionTreeLP(bp.name); 9169 if (tree != null && tree.perm != null) { 9170 bp.packageSetting = tree.packageSetting; 9171 bp.perm = new PackageParser.Permission(tree.perm.owner, 9172 new PermissionInfo(bp.pendingInfo)); 9173 bp.perm.info.packageName = tree.perm.info.packageName; 9174 bp.perm.info.name = bp.name; 9175 bp.uid = tree.uid; 9176 } 9177 } 9178 } 9179 if (bp.packageSetting == null) { 9180 // We may not yet have parsed the package, so just see if 9181 // we still know about its settings. 9182 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 9183 } 9184 if (bp.packageSetting == null) { 9185 Slog.w(TAG, "Removing dangling permission: " + bp.name 9186 + " from package " + bp.sourcePackage); 9187 it.remove(); 9188 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 9189 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 9190 Slog.i(TAG, "Removing old permission: " + bp.name 9191 + " from package " + bp.sourcePackage); 9192 flags |= UPDATE_PERMISSIONS_ALL; 9193 it.remove(); 9194 } 9195 } 9196 } 9197 9198 // Now update the permissions for all packages, in particular 9199 // replace the granted permissions of the system packages. 9200 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 9201 for (PackageParser.Package pkg : mPackages.values()) { 9202 if (pkg != pkgInfo) { 9203 // Only replace for packages on requested volume 9204 final String volumeUuid = getVolumeUuidForPackage(pkg); 9205 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_ALL) != 0) 9206 && Objects.equals(replaceVolumeUuid, volumeUuid); 9207 grantPermissionsLPw(pkg, replace, changingPkg); 9208 } 9209 } 9210 } 9211 9212 if (pkgInfo != null) { 9213 // Only replace for packages on requested volume 9214 final String volumeUuid = getVolumeUuidForPackage(pkgInfo); 9215 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_PKG) != 0) 9216 && Objects.equals(replaceVolumeUuid, volumeUuid); 9217 grantPermissionsLPw(pkgInfo, replace, changingPkg); 9218 } 9219 } 9220 9221 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace, 9222 String packageOfInterest) { 9223 // IMPORTANT: There are two types of permissions: install and runtime. 9224 // Install time permissions are granted when the app is installed to 9225 // all device users and users added in the future. Runtime permissions 9226 // are granted at runtime explicitly to specific users. Normal and signature 9227 // protected permissions are install time permissions. Dangerous permissions 9228 // are install permissions if the app's target SDK is Lollipop MR1 or older, 9229 // otherwise they are runtime permissions. This function does not manage 9230 // runtime permissions except for the case an app targeting Lollipop MR1 9231 // being upgraded to target a newer SDK, in which case dangerous permissions 9232 // are transformed from install time to runtime ones. 9233 9234 final PackageSetting ps = (PackageSetting) pkg.mExtras; 9235 if (ps == null) { 9236 return; 9237 } 9238 9239 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "grantPermissions"); 9240 9241 PermissionsState permissionsState = ps.getPermissionsState(); 9242 PermissionsState origPermissions = permissionsState; 9243 9244 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 9245 9246 boolean runtimePermissionsRevoked = false; 9247 int[] changedRuntimePermissionUserIds = EMPTY_INT_ARRAY; 9248 9249 boolean changedInstallPermission = false; 9250 9251 if (replace) { 9252 ps.installPermissionsFixed = false; 9253 if (!ps.isSharedUser()) { 9254 origPermissions = new PermissionsState(permissionsState); 9255 permissionsState.reset(); 9256 } else { 9257 // We need to know only about runtime permission changes since the 9258 // calling code always writes the install permissions state but 9259 // the runtime ones are written only if changed. The only cases of 9260 // changed runtime permissions here are promotion of an install to 9261 // runtime and revocation of a runtime from a shared user. 9262 changedRuntimePermissionUserIds = revokeUnusedSharedUserPermissionsLPw( 9263 ps.sharedUser, UserManagerService.getInstance().getUserIds()); 9264 if (!ArrayUtils.isEmpty(changedRuntimePermissionUserIds)) { 9265 runtimePermissionsRevoked = true; 9266 } 9267 } 9268 } 9269 9270 permissionsState.setGlobalGids(mGlobalGids); 9271 9272 final int N = pkg.requestedPermissions.size(); 9273 for (int i=0; i<N; i++) { 9274 final String name = pkg.requestedPermissions.get(i); 9275 final BasePermission bp = mSettings.mPermissions.get(name); 9276 9277 if (DEBUG_INSTALL) { 9278 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 9279 } 9280 9281 if (bp == null || bp.packageSetting == null) { 9282 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 9283 Slog.w(TAG, "Unknown permission " + name 9284 + " in package " + pkg.packageName); 9285 } 9286 continue; 9287 } 9288 9289 final String perm = bp.name; 9290 boolean allowedSig = false; 9291 int grant = GRANT_DENIED; 9292 9293 // Keep track of app op permissions. 9294 if ((bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9295 ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name); 9296 if (pkgs == null) { 9297 pkgs = new ArraySet<>(); 9298 mAppOpPermissionPackages.put(bp.name, pkgs); 9299 } 9300 pkgs.add(pkg.packageName); 9301 } 9302 9303 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 9304 final boolean appSupportsRuntimePermissions = pkg.applicationInfo.targetSdkVersion 9305 >= Build.VERSION_CODES.M; 9306 switch (level) { 9307 case PermissionInfo.PROTECTION_NORMAL: { 9308 // For all apps normal permissions are install time ones. 9309 grant = GRANT_INSTALL; 9310 } break; 9311 9312 case PermissionInfo.PROTECTION_DANGEROUS: { 9313 // If a permission review is required for legacy apps we represent 9314 // their permissions as always granted runtime ones since we need 9315 // to keep the review required permission flag per user while an 9316 // install permission's state is shared across all users. 9317 if (!appSupportsRuntimePermissions && !Build.PERMISSIONS_REVIEW_REQUIRED) { 9318 // For legacy apps dangerous permissions are install time ones. 9319 grant = GRANT_INSTALL; 9320 } else if (origPermissions.hasInstallPermission(bp.name)) { 9321 // For legacy apps that became modern, install becomes runtime. 9322 grant = GRANT_UPGRADE; 9323 } else if (mPromoteSystemApps 9324 && isSystemApp(ps) 9325 && mExistingSystemPackages.contains(ps.name)) { 9326 // For legacy system apps, install becomes runtime. 9327 // We cannot check hasInstallPermission() for system apps since those 9328 // permissions were granted implicitly and not persisted pre-M. 9329 grant = GRANT_UPGRADE; 9330 } else { 9331 // For modern apps keep runtime permissions unchanged. 9332 grant = GRANT_RUNTIME; 9333 } 9334 } break; 9335 9336 case PermissionInfo.PROTECTION_SIGNATURE: { 9337 // For all apps signature permissions are install time ones. 9338 allowedSig = grantSignaturePermission(perm, pkg, bp, origPermissions); 9339 if (allowedSig) { 9340 grant = GRANT_INSTALL; 9341 } 9342 } break; 9343 } 9344 9345 if (DEBUG_INSTALL) { 9346 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 9347 } 9348 9349 if (grant != GRANT_DENIED) { 9350 if (!isSystemApp(ps) && ps.installPermissionsFixed) { 9351 // If this is an existing, non-system package, then 9352 // we can't add any new permissions to it. 9353 if (!allowedSig && !origPermissions.hasInstallPermission(perm)) { 9354 // Except... if this is a permission that was added 9355 // to the platform (note: need to only do this when 9356 // updating the platform). 9357 if (!isNewPlatformPermissionForPackage(perm, pkg)) { 9358 grant = GRANT_DENIED; 9359 } 9360 } 9361 } 9362 9363 switch (grant) { 9364 case GRANT_INSTALL: { 9365 // Revoke this as runtime permission to handle the case of 9366 // a runtime permission being downgraded to an install one. Also in permission review mode we keep dangerous permissions for legacy apps 9367 for (int userId : UserManagerService.getInstance().getUserIds()) { 9368 if (origPermissions.getRuntimePermissionState( 9369 bp.name, userId) != null) { 9370 // Revoke the runtime permission and clear the flags. 9371 origPermissions.revokeRuntimePermission(bp, userId); 9372 origPermissions.updatePermissionFlags(bp, userId, 9373 PackageManager.MASK_PERMISSION_FLAGS, 0); 9374 // If we revoked a permission permission, we have to write. 9375 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9376 changedRuntimePermissionUserIds, userId); 9377 } 9378 } 9379 // Grant an install permission. 9380 if (permissionsState.grantInstallPermission(bp) != 9381 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9382 changedInstallPermission = true; 9383 } 9384 } break; 9385 9386 case GRANT_RUNTIME: { 9387 // Grant previously granted runtime permissions. 9388 for (int userId : UserManagerService.getInstance().getUserIds()) { 9389 PermissionState permissionState = origPermissions 9390 .getRuntimePermissionState(bp.name, userId); 9391 int flags = permissionState != null 9392 ? permissionState.getFlags() : 0; 9393 if (origPermissions.hasRuntimePermission(bp.name, userId)) { 9394 if (permissionsState.grantRuntimePermission(bp, userId) == 9395 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9396 // If we cannot put the permission as it was, we have to write. 9397 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9398 changedRuntimePermissionUserIds, userId); 9399 } 9400 // If the app supports runtime permissions no need for a review. 9401 if (Build.PERMISSIONS_REVIEW_REQUIRED 9402 && appSupportsRuntimePermissions 9403 && (flags & PackageManager 9404 .FLAG_PERMISSION_REVIEW_REQUIRED) != 0) { 9405 flags &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 9406 // Since we changed the flags, we have to write. 9407 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9408 changedRuntimePermissionUserIds, userId); 9409 } 9410 } else if (Build.PERMISSIONS_REVIEW_REQUIRED 9411 && !appSupportsRuntimePermissions) { 9412 // For legacy apps that need a permission review, every new 9413 // runtime permission is granted but it is pending a review. 9414 if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 9415 permissionsState.grantRuntimePermission(bp, userId); 9416 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 9417 // We changed the permission and flags, hence have to write. 9418 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9419 changedRuntimePermissionUserIds, userId); 9420 } 9421 } 9422 // Propagate the permission flags. 9423 permissionsState.updatePermissionFlags(bp, userId, flags, flags); 9424 } 9425 } break; 9426 9427 case GRANT_UPGRADE: { 9428 // Grant runtime permissions for a previously held install permission. 9429 PermissionState permissionState = origPermissions 9430 .getInstallPermissionState(bp.name); 9431 final int flags = permissionState != null ? permissionState.getFlags() : 0; 9432 9433 if (origPermissions.revokeInstallPermission(bp) 9434 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 9435 // We will be transferring the permission flags, so clear them. 9436 origPermissions.updatePermissionFlags(bp, UserHandle.USER_ALL, 9437 PackageManager.MASK_PERMISSION_FLAGS, 0); 9438 changedInstallPermission = true; 9439 } 9440 9441 // If the permission is not to be promoted to runtime we ignore it and 9442 // also its other flags as they are not applicable to install permissions. 9443 if ((flags & PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE) == 0) { 9444 for (int userId : currentUserIds) { 9445 if (permissionsState.grantRuntimePermission(bp, userId) != 9446 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9447 // Transfer the permission flags. 9448 permissionsState.updatePermissionFlags(bp, userId, 9449 flags, flags); 9450 // If we granted the permission, we have to write. 9451 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9452 changedRuntimePermissionUserIds, userId); 9453 } 9454 } 9455 } 9456 } break; 9457 9458 default: { 9459 if (packageOfInterest == null 9460 || packageOfInterest.equals(pkg.packageName)) { 9461 Slog.w(TAG, "Not granting permission " + perm 9462 + " to package " + pkg.packageName 9463 + " because it was previously installed without"); 9464 } 9465 } break; 9466 } 9467 } else { 9468 if (permissionsState.revokeInstallPermission(bp) != 9469 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9470 // Also drop the permission flags. 9471 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 9472 PackageManager.MASK_PERMISSION_FLAGS, 0); 9473 changedInstallPermission = true; 9474 Slog.i(TAG, "Un-granting permission " + perm 9475 + " from package " + pkg.packageName 9476 + " (protectionLevel=" + bp.protectionLevel 9477 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 9478 + ")"); 9479 } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) { 9480 // Don't print warning for app op permissions, since it is fine for them 9481 // not to be granted, there is a UI for the user to decide. 9482 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 9483 Slog.w(TAG, "Not granting permission " + perm 9484 + " to package " + pkg.packageName 9485 + " (protectionLevel=" + bp.protectionLevel 9486 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 9487 + ")"); 9488 } 9489 } 9490 } 9491 } 9492 9493 if ((changedInstallPermission || replace) && !ps.installPermissionsFixed && 9494 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 9495 // This is the first that we have heard about this package, so the 9496 // permissions we have now selected are fixed until explicitly 9497 // changed. 9498 ps.installPermissionsFixed = true; 9499 } 9500 9501 // Persist the runtime permissions state for users with changes. If permissions 9502 // were revoked because no app in the shared user declares them we have to 9503 // write synchronously to avoid losing runtime permissions state. 9504 for (int userId : changedRuntimePermissionUserIds) { 9505 mSettings.writeRuntimePermissionsForUserLPr(userId, runtimePermissionsRevoked); 9506 } 9507 9508 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9509 } 9510 9511 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 9512 boolean allowed = false; 9513 final int NP = PackageParser.NEW_PERMISSIONS.length; 9514 for (int ip=0; ip<NP; ip++) { 9515 final PackageParser.NewPermissionInfo npi 9516 = PackageParser.NEW_PERMISSIONS[ip]; 9517 if (npi.name.equals(perm) 9518 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 9519 allowed = true; 9520 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 9521 + pkg.packageName); 9522 break; 9523 } 9524 } 9525 return allowed; 9526 } 9527 9528 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 9529 BasePermission bp, PermissionsState origPermissions) { 9530 boolean allowed; 9531 allowed = (compareSignatures( 9532 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 9533 == PackageManager.SIGNATURE_MATCH) 9534 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 9535 == PackageManager.SIGNATURE_MATCH); 9536 if (!allowed && (bp.protectionLevel 9537 & PermissionInfo.PROTECTION_FLAG_PRIVILEGED) != 0) { 9538 if (isSystemApp(pkg)) { 9539 // For updated system applications, a system permission 9540 // is granted only if it had been defined by the original application. 9541 if (pkg.isUpdatedSystemApp()) { 9542 final PackageSetting sysPs = mSettings 9543 .getDisabledSystemPkgLPr(pkg.packageName); 9544 if (sysPs != null && sysPs.getPermissionsState().hasInstallPermission(perm)) { 9545 // If the original was granted this permission, we take 9546 // that grant decision as read and propagate it to the 9547 // update. 9548 if (sysPs.isPrivileged()) { 9549 allowed = true; 9550 } 9551 } else { 9552 // The system apk may have been updated with an older 9553 // version of the one on the data partition, but which 9554 // granted a new system permission that it didn't have 9555 // before. In this case we do want to allow the app to 9556 // now get the new permission if the ancestral apk is 9557 // privileged to get it. 9558 if (sysPs != null && sysPs.pkg != null && sysPs.isPrivileged()) { 9559 for (int j = 0; j < sysPs.pkg.requestedPermissions.size(); j++) { 9560 if (perm.equals(sysPs.pkg.requestedPermissions.get(j))) { 9561 allowed = true; 9562 break; 9563 } 9564 } 9565 } 9566 // Also if a privileged parent package on the system image or any of 9567 // its children requested a privileged permission, the updated child 9568 // packages can also get the permission. 9569 if (pkg.parentPackage != null) { 9570 final PackageSetting disabledSysParentPs = mSettings 9571 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 9572 if (disabledSysParentPs != null && disabledSysParentPs.pkg != null 9573 && disabledSysParentPs.isPrivileged()) { 9574 if (isPackageRequestingPermission(disabledSysParentPs.pkg, perm)) { 9575 allowed = true; 9576 } else if (disabledSysParentPs.pkg.childPackages != null) { 9577 final int count = disabledSysParentPs.pkg.childPackages.size(); 9578 for (int i = 0; i < count; i++) { 9579 PackageParser.Package disabledSysChildPkg = 9580 disabledSysParentPs.pkg.childPackages.get(i); 9581 if (isPackageRequestingPermission(disabledSysChildPkg, 9582 perm)) { 9583 allowed = true; 9584 break; 9585 } 9586 } 9587 } 9588 } 9589 } 9590 } 9591 } else { 9592 allowed = isPrivilegedApp(pkg); 9593 } 9594 } 9595 } 9596 if (!allowed) { 9597 if (!allowed && (bp.protectionLevel 9598 & PermissionInfo.PROTECTION_FLAG_PRE23) != 0 9599 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 9600 // If this was a previously normal/dangerous permission that got moved 9601 // to a system permission as part of the runtime permission redesign, then 9602 // we still want to blindly grant it to old apps. 9603 allowed = true; 9604 } 9605 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_INSTALLER) != 0 9606 && pkg.packageName.equals(mRequiredInstallerPackage)) { 9607 // If this permission is to be granted to the system installer and 9608 // this app is an installer, then it gets the permission. 9609 allowed = true; 9610 } 9611 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_VERIFIER) != 0 9612 && pkg.packageName.equals(mRequiredVerifierPackage)) { 9613 // If this permission is to be granted to the system verifier and 9614 // this app is a verifier, then it gets the permission. 9615 allowed = true; 9616 } 9617 if (!allowed && (bp.protectionLevel 9618 & PermissionInfo.PROTECTION_FLAG_PREINSTALLED) != 0 9619 && isSystemApp(pkg)) { 9620 // Any pre-installed system app is allowed to get this permission. 9621 allowed = true; 9622 } 9623 if (!allowed && (bp.protectionLevel 9624 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 9625 // For development permissions, a development permission 9626 // is granted only if it was already granted. 9627 allowed = origPermissions.hasInstallPermission(perm); 9628 } 9629 } 9630 return allowed; 9631 } 9632 9633 private boolean isPackageRequestingPermission(PackageParser.Package pkg, String permission) { 9634 final int permCount = pkg.requestedPermissions.size(); 9635 for (int j = 0; j < permCount; j++) { 9636 String requestedPermission = pkg.requestedPermissions.get(j); 9637 if (permission.equals(requestedPermission)) { 9638 return true; 9639 } 9640 } 9641 return false; 9642 } 9643 9644 final class ActivityIntentResolver 9645 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 9646 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 9647 boolean defaultOnly, int userId) { 9648 if (!sUserManager.exists(userId)) return null; 9649 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 9650 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 9651 } 9652 9653 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 9654 int userId) { 9655 if (!sUserManager.exists(userId)) return null; 9656 mFlags = flags; 9657 return super.queryIntent(intent, resolvedType, 9658 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 9659 } 9660 9661 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 9662 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 9663 if (!sUserManager.exists(userId)) return null; 9664 if (packageActivities == null) { 9665 return null; 9666 } 9667 mFlags = flags; 9668 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 9669 final int N = packageActivities.size(); 9670 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 9671 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 9672 9673 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 9674 for (int i = 0; i < N; ++i) { 9675 intentFilters = packageActivities.get(i).intents; 9676 if (intentFilters != null && intentFilters.size() > 0) { 9677 PackageParser.ActivityIntentInfo[] array = 9678 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 9679 intentFilters.toArray(array); 9680 listCut.add(array); 9681 } 9682 } 9683 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 9684 } 9685 9686 public final void addActivity(PackageParser.Activity a, String type) { 9687 final boolean systemApp = a.info.applicationInfo.isSystemApp(); 9688 mActivities.put(a.getComponentName(), a); 9689 if (DEBUG_SHOW_INFO) 9690 Log.v( 9691 TAG, " " + type + " " + 9692 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 9693 if (DEBUG_SHOW_INFO) 9694 Log.v(TAG, " Class=" + a.info.name); 9695 final int NI = a.intents.size(); 9696 for (int j=0; j<NI; j++) { 9697 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 9698 if (!systemApp && intent.getPriority() > 0 && "activity".equals(type)) { 9699 intent.setPriority(0); 9700 Log.w(TAG, "Package " + a.info.applicationInfo.packageName + " has activity " 9701 + a.className + " with priority > 0, forcing to 0"); 9702 } 9703 if (DEBUG_SHOW_INFO) { 9704 Log.v(TAG, " IntentFilter:"); 9705 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 9706 } 9707 if (!intent.debugCheck()) { 9708 Log.w(TAG, "==> For Activity " + a.info.name); 9709 } 9710 addFilter(intent); 9711 } 9712 } 9713 9714 public final void removeActivity(PackageParser.Activity a, String type) { 9715 mActivities.remove(a.getComponentName()); 9716 if (DEBUG_SHOW_INFO) { 9717 Log.v(TAG, " " + type + " " 9718 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 9719 : a.info.name) + ":"); 9720 Log.v(TAG, " Class=" + a.info.name); 9721 } 9722 final int NI = a.intents.size(); 9723 for (int j=0; j<NI; j++) { 9724 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 9725 if (DEBUG_SHOW_INFO) { 9726 Log.v(TAG, " IntentFilter:"); 9727 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 9728 } 9729 removeFilter(intent); 9730 } 9731 } 9732 9733 @Override 9734 protected boolean allowFilterResult( 9735 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 9736 ActivityInfo filterAi = filter.activity.info; 9737 for (int i=dest.size()-1; i>=0; i--) { 9738 ActivityInfo destAi = dest.get(i).activityInfo; 9739 if (destAi.name == filterAi.name 9740 && destAi.packageName == filterAi.packageName) { 9741 return false; 9742 } 9743 } 9744 return true; 9745 } 9746 9747 @Override 9748 protected ActivityIntentInfo[] newArray(int size) { 9749 return new ActivityIntentInfo[size]; 9750 } 9751 9752 @Override 9753 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 9754 if (!sUserManager.exists(userId)) return true; 9755 PackageParser.Package p = filter.activity.owner; 9756 if (p != null) { 9757 PackageSetting ps = (PackageSetting)p.mExtras; 9758 if (ps != null) { 9759 // System apps are never considered stopped for purposes of 9760 // filtering, because there may be no way for the user to 9761 // actually re-launch them. 9762 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 9763 && ps.getStopped(userId); 9764 } 9765 } 9766 return false; 9767 } 9768 9769 @Override 9770 protected boolean isPackageForFilter(String packageName, 9771 PackageParser.ActivityIntentInfo info) { 9772 return packageName.equals(info.activity.owner.packageName); 9773 } 9774 9775 @Override 9776 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 9777 int match, int userId) { 9778 if (!sUserManager.exists(userId)) return null; 9779 if (!mSettings.isEnabledAndMatchLPr(info.activity.info, mFlags, userId)) { 9780 return null; 9781 } 9782 final PackageParser.Activity activity = info.activity; 9783 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 9784 if (ps == null) { 9785 return null; 9786 } 9787 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 9788 ps.readUserState(userId), userId); 9789 if (ai == null) { 9790 return null; 9791 } 9792 final ResolveInfo res = new ResolveInfo(); 9793 res.activityInfo = ai; 9794 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 9795 res.filter = info; 9796 } 9797 if (info != null) { 9798 res.handleAllWebDataURI = info.handleAllWebDataURI(); 9799 } 9800 res.priority = info.getPriority(); 9801 res.preferredOrder = activity.owner.mPreferredOrder; 9802 //System.out.println("Result: " + res.activityInfo.className + 9803 // " = " + res.priority); 9804 res.match = match; 9805 res.isDefault = info.hasDefault; 9806 res.labelRes = info.labelRes; 9807 res.nonLocalizedLabel = info.nonLocalizedLabel; 9808 if (userNeedsBadging(userId)) { 9809 res.noResourceId = true; 9810 } else { 9811 res.icon = info.icon; 9812 } 9813 res.iconResourceId = info.icon; 9814 res.system = res.activityInfo.applicationInfo.isSystemApp(); 9815 return res; 9816 } 9817 9818 @Override 9819 protected void sortResults(List<ResolveInfo> results) { 9820 Collections.sort(results, mResolvePrioritySorter); 9821 } 9822 9823 @Override 9824 protected void dumpFilter(PrintWriter out, String prefix, 9825 PackageParser.ActivityIntentInfo filter) { 9826 out.print(prefix); out.print( 9827 Integer.toHexString(System.identityHashCode(filter.activity))); 9828 out.print(' '); 9829 filter.activity.printComponentShortName(out); 9830 out.print(" filter "); 9831 out.println(Integer.toHexString(System.identityHashCode(filter))); 9832 } 9833 9834 @Override 9835 protected Object filterToLabel(PackageParser.ActivityIntentInfo filter) { 9836 return filter.activity; 9837 } 9838 9839 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 9840 PackageParser.Activity activity = (PackageParser.Activity)label; 9841 out.print(prefix); out.print( 9842 Integer.toHexString(System.identityHashCode(activity))); 9843 out.print(' '); 9844 activity.printComponentShortName(out); 9845 if (count > 1) { 9846 out.print(" ("); out.print(count); out.print(" filters)"); 9847 } 9848 out.println(); 9849 } 9850 9851// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 9852// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 9853// final List<ResolveInfo> retList = Lists.newArrayList(); 9854// while (i.hasNext()) { 9855// final ResolveInfo resolveInfo = i.next(); 9856// if (isEnabledLP(resolveInfo.activityInfo)) { 9857// retList.add(resolveInfo); 9858// } 9859// } 9860// return retList; 9861// } 9862 9863 // Keys are String (activity class name), values are Activity. 9864 private final ArrayMap<ComponentName, PackageParser.Activity> mActivities 9865 = new ArrayMap<ComponentName, PackageParser.Activity>(); 9866 private int mFlags; 9867 } 9868 9869 private final class ServiceIntentResolver 9870 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 9871 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 9872 boolean defaultOnly, int userId) { 9873 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 9874 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 9875 } 9876 9877 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 9878 int userId) { 9879 if (!sUserManager.exists(userId)) return null; 9880 mFlags = flags; 9881 return super.queryIntent(intent, resolvedType, 9882 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 9883 } 9884 9885 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 9886 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 9887 if (!sUserManager.exists(userId)) return null; 9888 if (packageServices == null) { 9889 return null; 9890 } 9891 mFlags = flags; 9892 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 9893 final int N = packageServices.size(); 9894 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 9895 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 9896 9897 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 9898 for (int i = 0; i < N; ++i) { 9899 intentFilters = packageServices.get(i).intents; 9900 if (intentFilters != null && intentFilters.size() > 0) { 9901 PackageParser.ServiceIntentInfo[] array = 9902 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 9903 intentFilters.toArray(array); 9904 listCut.add(array); 9905 } 9906 } 9907 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 9908 } 9909 9910 public final void addService(PackageParser.Service s) { 9911 mServices.put(s.getComponentName(), s); 9912 if (DEBUG_SHOW_INFO) { 9913 Log.v(TAG, " " 9914 + (s.info.nonLocalizedLabel != null 9915 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 9916 Log.v(TAG, " Class=" + s.info.name); 9917 } 9918 final int NI = s.intents.size(); 9919 int j; 9920 for (j=0; j<NI; j++) { 9921 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 9922 if (DEBUG_SHOW_INFO) { 9923 Log.v(TAG, " IntentFilter:"); 9924 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 9925 } 9926 if (!intent.debugCheck()) { 9927 Log.w(TAG, "==> For Service " + s.info.name); 9928 } 9929 addFilter(intent); 9930 } 9931 } 9932 9933 public final void removeService(PackageParser.Service s) { 9934 mServices.remove(s.getComponentName()); 9935 if (DEBUG_SHOW_INFO) { 9936 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 9937 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 9938 Log.v(TAG, " Class=" + s.info.name); 9939 } 9940 final int NI = s.intents.size(); 9941 int j; 9942 for (j=0; j<NI; j++) { 9943 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 9944 if (DEBUG_SHOW_INFO) { 9945 Log.v(TAG, " IntentFilter:"); 9946 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 9947 } 9948 removeFilter(intent); 9949 } 9950 } 9951 9952 @Override 9953 protected boolean allowFilterResult( 9954 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 9955 ServiceInfo filterSi = filter.service.info; 9956 for (int i=dest.size()-1; i>=0; i--) { 9957 ServiceInfo destAi = dest.get(i).serviceInfo; 9958 if (destAi.name == filterSi.name 9959 && destAi.packageName == filterSi.packageName) { 9960 return false; 9961 } 9962 } 9963 return true; 9964 } 9965 9966 @Override 9967 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 9968 return new PackageParser.ServiceIntentInfo[size]; 9969 } 9970 9971 @Override 9972 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 9973 if (!sUserManager.exists(userId)) return true; 9974 PackageParser.Package p = filter.service.owner; 9975 if (p != null) { 9976 PackageSetting ps = (PackageSetting)p.mExtras; 9977 if (ps != null) { 9978 // System apps are never considered stopped for purposes of 9979 // filtering, because there may be no way for the user to 9980 // actually re-launch them. 9981 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 9982 && ps.getStopped(userId); 9983 } 9984 } 9985 return false; 9986 } 9987 9988 @Override 9989 protected boolean isPackageForFilter(String packageName, 9990 PackageParser.ServiceIntentInfo info) { 9991 return packageName.equals(info.service.owner.packageName); 9992 } 9993 9994 @Override 9995 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 9996 int match, int userId) { 9997 if (!sUserManager.exists(userId)) return null; 9998 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 9999 if (!mSettings.isEnabledAndMatchLPr(info.service.info, mFlags, userId)) { 10000 return null; 10001 } 10002 final PackageParser.Service service = info.service; 10003 PackageSetting ps = (PackageSetting) service.owner.mExtras; 10004 if (ps == null) { 10005 return null; 10006 } 10007 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 10008 ps.readUserState(userId), userId); 10009 if (si == null) { 10010 return null; 10011 } 10012 final ResolveInfo res = new ResolveInfo(); 10013 res.serviceInfo = si; 10014 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 10015 res.filter = filter; 10016 } 10017 res.priority = info.getPriority(); 10018 res.preferredOrder = service.owner.mPreferredOrder; 10019 res.match = match; 10020 res.isDefault = info.hasDefault; 10021 res.labelRes = info.labelRes; 10022 res.nonLocalizedLabel = info.nonLocalizedLabel; 10023 res.icon = info.icon; 10024 res.system = res.serviceInfo.applicationInfo.isSystemApp(); 10025 return res; 10026 } 10027 10028 @Override 10029 protected void sortResults(List<ResolveInfo> results) { 10030 Collections.sort(results, mResolvePrioritySorter); 10031 } 10032 10033 @Override 10034 protected void dumpFilter(PrintWriter out, String prefix, 10035 PackageParser.ServiceIntentInfo filter) { 10036 out.print(prefix); out.print( 10037 Integer.toHexString(System.identityHashCode(filter.service))); 10038 out.print(' '); 10039 filter.service.printComponentShortName(out); 10040 out.print(" filter "); 10041 out.println(Integer.toHexString(System.identityHashCode(filter))); 10042 } 10043 10044 @Override 10045 protected Object filterToLabel(PackageParser.ServiceIntentInfo filter) { 10046 return filter.service; 10047 } 10048 10049 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 10050 PackageParser.Service service = (PackageParser.Service)label; 10051 out.print(prefix); out.print( 10052 Integer.toHexString(System.identityHashCode(service))); 10053 out.print(' '); 10054 service.printComponentShortName(out); 10055 if (count > 1) { 10056 out.print(" ("); out.print(count); out.print(" filters)"); 10057 } 10058 out.println(); 10059 } 10060 10061// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 10062// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 10063// final List<ResolveInfo> retList = Lists.newArrayList(); 10064// while (i.hasNext()) { 10065// final ResolveInfo resolveInfo = (ResolveInfo) i; 10066// if (isEnabledLP(resolveInfo.serviceInfo)) { 10067// retList.add(resolveInfo); 10068// } 10069// } 10070// return retList; 10071// } 10072 10073 // Keys are String (activity class name), values are Activity. 10074 private final ArrayMap<ComponentName, PackageParser.Service> mServices 10075 = new ArrayMap<ComponentName, PackageParser.Service>(); 10076 private int mFlags; 10077 }; 10078 10079 private final class ProviderIntentResolver 10080 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 10081 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 10082 boolean defaultOnly, int userId) { 10083 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 10084 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 10085 } 10086 10087 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 10088 int userId) { 10089 if (!sUserManager.exists(userId)) 10090 return null; 10091 mFlags = flags; 10092 return super.queryIntent(intent, resolvedType, 10093 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 10094 } 10095 10096 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 10097 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 10098 if (!sUserManager.exists(userId)) 10099 return null; 10100 if (packageProviders == null) { 10101 return null; 10102 } 10103 mFlags = flags; 10104 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 10105 final int N = packageProviders.size(); 10106 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 10107 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 10108 10109 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 10110 for (int i = 0; i < N; ++i) { 10111 intentFilters = packageProviders.get(i).intents; 10112 if (intentFilters != null && intentFilters.size() > 0) { 10113 PackageParser.ProviderIntentInfo[] array = 10114 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 10115 intentFilters.toArray(array); 10116 listCut.add(array); 10117 } 10118 } 10119 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 10120 } 10121 10122 public final void addProvider(PackageParser.Provider p) { 10123 if (mProviders.containsKey(p.getComponentName())) { 10124 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 10125 return; 10126 } 10127 10128 mProviders.put(p.getComponentName(), p); 10129 if (DEBUG_SHOW_INFO) { 10130 Log.v(TAG, " " 10131 + (p.info.nonLocalizedLabel != null 10132 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 10133 Log.v(TAG, " Class=" + p.info.name); 10134 } 10135 final int NI = p.intents.size(); 10136 int j; 10137 for (j = 0; j < NI; j++) { 10138 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 10139 if (DEBUG_SHOW_INFO) { 10140 Log.v(TAG, " IntentFilter:"); 10141 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10142 } 10143 if (!intent.debugCheck()) { 10144 Log.w(TAG, "==> For Provider " + p.info.name); 10145 } 10146 addFilter(intent); 10147 } 10148 } 10149 10150 public final void removeProvider(PackageParser.Provider p) { 10151 mProviders.remove(p.getComponentName()); 10152 if (DEBUG_SHOW_INFO) { 10153 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 10154 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 10155 Log.v(TAG, " Class=" + p.info.name); 10156 } 10157 final int NI = p.intents.size(); 10158 int j; 10159 for (j = 0; j < NI; j++) { 10160 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 10161 if (DEBUG_SHOW_INFO) { 10162 Log.v(TAG, " IntentFilter:"); 10163 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10164 } 10165 removeFilter(intent); 10166 } 10167 } 10168 10169 @Override 10170 protected boolean allowFilterResult( 10171 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 10172 ProviderInfo filterPi = filter.provider.info; 10173 for (int i = dest.size() - 1; i >= 0; i--) { 10174 ProviderInfo destPi = dest.get(i).providerInfo; 10175 if (destPi.name == filterPi.name 10176 && destPi.packageName == filterPi.packageName) { 10177 return false; 10178 } 10179 } 10180 return true; 10181 } 10182 10183 @Override 10184 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 10185 return new PackageParser.ProviderIntentInfo[size]; 10186 } 10187 10188 @Override 10189 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 10190 if (!sUserManager.exists(userId)) 10191 return true; 10192 PackageParser.Package p = filter.provider.owner; 10193 if (p != null) { 10194 PackageSetting ps = (PackageSetting) p.mExtras; 10195 if (ps != null) { 10196 // System apps are never considered stopped for purposes of 10197 // filtering, because there may be no way for the user to 10198 // actually re-launch them. 10199 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 10200 && ps.getStopped(userId); 10201 } 10202 } 10203 return false; 10204 } 10205 10206 @Override 10207 protected boolean isPackageForFilter(String packageName, 10208 PackageParser.ProviderIntentInfo info) { 10209 return packageName.equals(info.provider.owner.packageName); 10210 } 10211 10212 @Override 10213 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 10214 int match, int userId) { 10215 if (!sUserManager.exists(userId)) 10216 return null; 10217 final PackageParser.ProviderIntentInfo info = filter; 10218 if (!mSettings.isEnabledAndMatchLPr(info.provider.info, mFlags, userId)) { 10219 return null; 10220 } 10221 final PackageParser.Provider provider = info.provider; 10222 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 10223 if (ps == null) { 10224 return null; 10225 } 10226 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 10227 ps.readUserState(userId), userId); 10228 if (pi == null) { 10229 return null; 10230 } 10231 final ResolveInfo res = new ResolveInfo(); 10232 res.providerInfo = pi; 10233 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 10234 res.filter = filter; 10235 } 10236 res.priority = info.getPriority(); 10237 res.preferredOrder = provider.owner.mPreferredOrder; 10238 res.match = match; 10239 res.isDefault = info.hasDefault; 10240 res.labelRes = info.labelRes; 10241 res.nonLocalizedLabel = info.nonLocalizedLabel; 10242 res.icon = info.icon; 10243 res.system = res.providerInfo.applicationInfo.isSystemApp(); 10244 return res; 10245 } 10246 10247 @Override 10248 protected void sortResults(List<ResolveInfo> results) { 10249 Collections.sort(results, mResolvePrioritySorter); 10250 } 10251 10252 @Override 10253 protected void dumpFilter(PrintWriter out, String prefix, 10254 PackageParser.ProviderIntentInfo filter) { 10255 out.print(prefix); 10256 out.print( 10257 Integer.toHexString(System.identityHashCode(filter.provider))); 10258 out.print(' '); 10259 filter.provider.printComponentShortName(out); 10260 out.print(" filter "); 10261 out.println(Integer.toHexString(System.identityHashCode(filter))); 10262 } 10263 10264 @Override 10265 protected Object filterToLabel(PackageParser.ProviderIntentInfo filter) { 10266 return filter.provider; 10267 } 10268 10269 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 10270 PackageParser.Provider provider = (PackageParser.Provider)label; 10271 out.print(prefix); out.print( 10272 Integer.toHexString(System.identityHashCode(provider))); 10273 out.print(' '); 10274 provider.printComponentShortName(out); 10275 if (count > 1) { 10276 out.print(" ("); out.print(count); out.print(" filters)"); 10277 } 10278 out.println(); 10279 } 10280 10281 private final ArrayMap<ComponentName, PackageParser.Provider> mProviders 10282 = new ArrayMap<ComponentName, PackageParser.Provider>(); 10283 private int mFlags; 10284 } 10285 10286 private static final class EphemeralIntentResolver 10287 extends IntentResolver<EphemeralResolveIntentInfo, EphemeralResolveInfo> { 10288 @Override 10289 protected EphemeralResolveIntentInfo[] newArray(int size) { 10290 return new EphemeralResolveIntentInfo[size]; 10291 } 10292 10293 @Override 10294 protected boolean isPackageForFilter(String packageName, EphemeralResolveIntentInfo info) { 10295 return true; 10296 } 10297 10298 @Override 10299 protected EphemeralResolveInfo newResult(EphemeralResolveIntentInfo info, int match, 10300 int userId) { 10301 if (!sUserManager.exists(userId)) { 10302 return null; 10303 } 10304 return info.getEphemeralResolveInfo(); 10305 } 10306 } 10307 10308 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 10309 new Comparator<ResolveInfo>() { 10310 public int compare(ResolveInfo r1, ResolveInfo r2) { 10311 int v1 = r1.priority; 10312 int v2 = r2.priority; 10313 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 10314 if (v1 != v2) { 10315 return (v1 > v2) ? -1 : 1; 10316 } 10317 v1 = r1.preferredOrder; 10318 v2 = r2.preferredOrder; 10319 if (v1 != v2) { 10320 return (v1 > v2) ? -1 : 1; 10321 } 10322 if (r1.isDefault != r2.isDefault) { 10323 return r1.isDefault ? -1 : 1; 10324 } 10325 v1 = r1.match; 10326 v2 = r2.match; 10327 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 10328 if (v1 != v2) { 10329 return (v1 > v2) ? -1 : 1; 10330 } 10331 if (r1.system != r2.system) { 10332 return r1.system ? -1 : 1; 10333 } 10334 if (r1.activityInfo != null) { 10335 return r1.activityInfo.packageName.compareTo(r2.activityInfo.packageName); 10336 } 10337 if (r1.serviceInfo != null) { 10338 return r1.serviceInfo.packageName.compareTo(r2.serviceInfo.packageName); 10339 } 10340 if (r1.providerInfo != null) { 10341 return r1.providerInfo.packageName.compareTo(r2.providerInfo.packageName); 10342 } 10343 return 0; 10344 } 10345 }; 10346 10347 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 10348 new Comparator<ProviderInfo>() { 10349 public int compare(ProviderInfo p1, ProviderInfo p2) { 10350 final int v1 = p1.initOrder; 10351 final int v2 = p2.initOrder; 10352 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 10353 } 10354 }; 10355 10356 final void sendPackageBroadcast(final String action, final String pkg, final Bundle extras, 10357 final int flags, final String targetPkg, final IIntentReceiver finishedReceiver, 10358 final int[] userIds) { 10359 mHandler.post(new Runnable() { 10360 @Override 10361 public void run() { 10362 try { 10363 final IActivityManager am = ActivityManagerNative.getDefault(); 10364 if (am == null) return; 10365 final int[] resolvedUserIds; 10366 if (userIds == null) { 10367 resolvedUserIds = am.getRunningUserIds(); 10368 } else { 10369 resolvedUserIds = userIds; 10370 } 10371 for (int id : resolvedUserIds) { 10372 final Intent intent = new Intent(action, 10373 pkg != null ? Uri.fromParts("package", pkg, null) : null); 10374 if (extras != null) { 10375 intent.putExtras(extras); 10376 } 10377 if (targetPkg != null) { 10378 intent.setPackage(targetPkg); 10379 } 10380 // Modify the UID when posting to other users 10381 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 10382 if (uid > 0 && UserHandle.getUserId(uid) != id) { 10383 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 10384 intent.putExtra(Intent.EXTRA_UID, uid); 10385 } 10386 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 10387 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT | flags); 10388 if (DEBUG_BROADCASTS) { 10389 RuntimeException here = new RuntimeException("here"); 10390 here.fillInStackTrace(); 10391 Slog.d(TAG, "Sending to user " + id + ": " 10392 + intent.toShortString(false, true, false, false) 10393 + " " + intent.getExtras(), here); 10394 } 10395 am.broadcastIntent(null, intent, null, finishedReceiver, 10396 0, null, null, null, android.app.AppOpsManager.OP_NONE, 10397 null, finishedReceiver != null, false, id); 10398 } 10399 } catch (RemoteException ex) { 10400 } 10401 } 10402 }); 10403 } 10404 10405 /** 10406 * Check if the external storage media is available. This is true if there 10407 * is a mounted external storage medium or if the external storage is 10408 * emulated. 10409 */ 10410 private boolean isExternalMediaAvailable() { 10411 return mMediaMounted || Environment.isExternalStorageEmulated(); 10412 } 10413 10414 @Override 10415 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 10416 // writer 10417 synchronized (mPackages) { 10418 if (!isExternalMediaAvailable()) { 10419 // If the external storage is no longer mounted at this point, 10420 // the caller may not have been able to delete all of this 10421 // packages files and can not delete any more. Bail. 10422 return null; 10423 } 10424 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 10425 if (lastPackage != null) { 10426 pkgs.remove(lastPackage); 10427 } 10428 if (pkgs.size() > 0) { 10429 return pkgs.get(0); 10430 } 10431 } 10432 return null; 10433 } 10434 10435 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 10436 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 10437 userId, andCode ? 1 : 0, packageName); 10438 if (mSystemReady) { 10439 msg.sendToTarget(); 10440 } else { 10441 if (mPostSystemReadyMessages == null) { 10442 mPostSystemReadyMessages = new ArrayList<>(); 10443 } 10444 mPostSystemReadyMessages.add(msg); 10445 } 10446 } 10447 10448 void startCleaningPackages() { 10449 // reader 10450 synchronized (mPackages) { 10451 if (!isExternalMediaAvailable()) { 10452 return; 10453 } 10454 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 10455 return; 10456 } 10457 } 10458 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 10459 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 10460 IActivityManager am = ActivityManagerNative.getDefault(); 10461 if (am != null) { 10462 try { 10463 am.startService(null, intent, null, mContext.getOpPackageName(), 10464 UserHandle.USER_SYSTEM); 10465 } catch (RemoteException e) { 10466 } 10467 } 10468 } 10469 10470 @Override 10471 public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer, 10472 int installFlags, String installerPackageName, int userId) { 10473 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 10474 10475 final int callingUid = Binder.getCallingUid(); 10476 enforceCrossUserPermission(callingUid, userId, 10477 true /* requireFullPermission */, true /* checkShell */, "installPackageAsUser"); 10478 10479 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 10480 try { 10481 if (observer != null) { 10482 observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null); 10483 } 10484 } catch (RemoteException re) { 10485 } 10486 return; 10487 } 10488 10489 if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) { 10490 installFlags |= PackageManager.INSTALL_FROM_ADB; 10491 10492 } else { 10493 // Caller holds INSTALL_PACKAGES permission, so we're less strict 10494 // about installerPackageName. 10495 10496 installFlags &= ~PackageManager.INSTALL_FROM_ADB; 10497 installFlags &= ~PackageManager.INSTALL_ALL_USERS; 10498 } 10499 10500 UserHandle user; 10501 if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) { 10502 user = UserHandle.ALL; 10503 } else { 10504 user = new UserHandle(userId); 10505 } 10506 10507 // Only system components can circumvent runtime permissions when installing. 10508 if ((installFlags & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0 10509 && mContext.checkCallingOrSelfPermission(Manifest.permission 10510 .INSTALL_GRANT_RUNTIME_PERMISSIONS) == PackageManager.PERMISSION_DENIED) { 10511 throw new SecurityException("You need the " 10512 + "android.permission.INSTALL_GRANT_RUNTIME_PERMISSIONS permission " 10513 + "to use the PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS flag"); 10514 } 10515 10516 final File originFile = new File(originPath); 10517 final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile); 10518 10519 final Message msg = mHandler.obtainMessage(INIT_COPY); 10520 final VerificationInfo verificationInfo = new VerificationInfo( 10521 null /*originatingUri*/, null /*referrer*/, -1 /*originatingUid*/, callingUid); 10522 final InstallParams params = new InstallParams(origin, null /*moveInfo*/, observer, 10523 installFlags, installerPackageName, null /*volumeUuid*/, verificationInfo, user, 10524 null /*packageAbiOverride*/, null /*grantedPermissions*/); 10525 params.setTraceMethod("installAsUser").setTraceCookie(System.identityHashCode(params)); 10526 msg.obj = params; 10527 10528 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installAsUser", 10529 System.identityHashCode(msg.obj)); 10530 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 10531 System.identityHashCode(msg.obj)); 10532 10533 mHandler.sendMessage(msg); 10534 } 10535 10536 void installStage(String packageName, File stagedDir, String stagedCid, 10537 IPackageInstallObserver2 observer, PackageInstaller.SessionParams sessionParams, 10538 String installerPackageName, int installerUid, UserHandle user) { 10539 if (DEBUG_EPHEMERAL) { 10540 if ((sessionParams.installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 10541 Slog.d(TAG, "Ephemeral install of " + packageName); 10542 } 10543 } 10544 final VerificationInfo verificationInfo = new VerificationInfo( 10545 sessionParams.originatingUri, sessionParams.referrerUri, 10546 sessionParams.originatingUid, installerUid); 10547 10548 final OriginInfo origin; 10549 if (stagedDir != null) { 10550 origin = OriginInfo.fromStagedFile(stagedDir); 10551 } else { 10552 origin = OriginInfo.fromStagedContainer(stagedCid); 10553 } 10554 10555 final Message msg = mHandler.obtainMessage(INIT_COPY); 10556 final InstallParams params = new InstallParams(origin, null, observer, 10557 sessionParams.installFlags, installerPackageName, sessionParams.volumeUuid, 10558 verificationInfo, user, sessionParams.abiOverride, 10559 sessionParams.grantedRuntimePermissions); 10560 params.setTraceMethod("installStage").setTraceCookie(System.identityHashCode(params)); 10561 msg.obj = params; 10562 10563 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installStage", 10564 System.identityHashCode(msg.obj)); 10565 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 10566 System.identityHashCode(msg.obj)); 10567 10568 mHandler.sendMessage(msg); 10569 } 10570 10571 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, 10572 int userId) { 10573 final boolean isSystem = isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 10574 sendPackageAddedForUser(packageName, isSystem, pkgSetting.appId, userId); 10575 } 10576 10577 private void sendPackageAddedForUser(String packageName, boolean isSystem, 10578 int appId, int userId) { 10579 Bundle extras = new Bundle(1); 10580 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, appId)); 10581 10582 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 10583 packageName, extras, 0, null, null, new int[] {userId}); 10584 try { 10585 IActivityManager am = ActivityManagerNative.getDefault(); 10586 if (isSystem && am.isUserRunning(userId, 0)) { 10587 // The just-installed/enabled app is bundled on the system, so presumed 10588 // to be able to run automatically without needing an explicit launch. 10589 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 10590 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 10591 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 10592 .setPackage(packageName); 10593 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 10594 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 10595 } 10596 } catch (RemoteException e) { 10597 // shouldn't happen 10598 Slog.w(TAG, "Unable to bootstrap installed package", e); 10599 } 10600 } 10601 10602 @Override 10603 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 10604 int userId) { 10605 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 10606 PackageSetting pkgSetting; 10607 final int uid = Binder.getCallingUid(); 10608 enforceCrossUserPermission(uid, userId, 10609 true /* requireFullPermission */, true /* checkShell */, 10610 "setApplicationHiddenSetting for user " + userId); 10611 10612 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 10613 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 10614 return false; 10615 } 10616 10617 long callingId = Binder.clearCallingIdentity(); 10618 try { 10619 boolean sendAdded = false; 10620 boolean sendRemoved = false; 10621 // writer 10622 synchronized (mPackages) { 10623 pkgSetting = mSettings.mPackages.get(packageName); 10624 if (pkgSetting == null) { 10625 return false; 10626 } 10627 if (pkgSetting.getHidden(userId) != hidden) { 10628 pkgSetting.setHidden(hidden, userId); 10629 mSettings.writePackageRestrictionsLPr(userId); 10630 if (hidden) { 10631 sendRemoved = true; 10632 } else { 10633 sendAdded = true; 10634 } 10635 } 10636 } 10637 if (sendAdded) { 10638 sendPackageAddedForUser(packageName, pkgSetting, userId); 10639 return true; 10640 } 10641 if (sendRemoved) { 10642 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 10643 "hiding pkg"); 10644 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 10645 return true; 10646 } 10647 } finally { 10648 Binder.restoreCallingIdentity(callingId); 10649 } 10650 return false; 10651 } 10652 10653 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 10654 int userId) { 10655 final PackageRemovedInfo info = new PackageRemovedInfo(); 10656 info.removedPackage = packageName; 10657 info.removedUsers = new int[] {userId}; 10658 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 10659 info.sendPackageRemovedBroadcasts(true /*killApp*/); 10660 } 10661 10662 private void sendPackagesSuspendedForUser(String[] pkgList, int userId, boolean suspended) { 10663 if (pkgList.length > 0) { 10664 Bundle extras = new Bundle(1); 10665 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 10666 10667 sendPackageBroadcast( 10668 suspended ? Intent.ACTION_PACKAGES_SUSPENDED 10669 : Intent.ACTION_PACKAGES_UNSUSPENDED, 10670 null, extras, Intent.FLAG_RECEIVER_REGISTERED_ONLY, null, null, 10671 new int[] {userId}); 10672 } 10673 } 10674 10675 /** 10676 * Returns true if application is not found or there was an error. Otherwise it returns 10677 * the hidden state of the package for the given user. 10678 */ 10679 @Override 10680 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 10681 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 10682 enforceCrossUserPermission(Binder.getCallingUid(), userId, 10683 true /* requireFullPermission */, false /* checkShell */, 10684 "getApplicationHidden for user " + userId); 10685 PackageSetting pkgSetting; 10686 long callingId = Binder.clearCallingIdentity(); 10687 try { 10688 // writer 10689 synchronized (mPackages) { 10690 pkgSetting = mSettings.mPackages.get(packageName); 10691 if (pkgSetting == null) { 10692 return true; 10693 } 10694 return pkgSetting.getHidden(userId); 10695 } 10696 } finally { 10697 Binder.restoreCallingIdentity(callingId); 10698 } 10699 } 10700 10701 /** 10702 * @hide 10703 */ 10704 @Override 10705 public int installExistingPackageAsUser(String packageName, int userId) { 10706 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 10707 null); 10708 PackageSetting pkgSetting; 10709 final int uid = Binder.getCallingUid(); 10710 enforceCrossUserPermission(uid, userId, 10711 true /* requireFullPermission */, true /* checkShell */, 10712 "installExistingPackage for user " + userId); 10713 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 10714 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 10715 } 10716 10717 long callingId = Binder.clearCallingIdentity(); 10718 try { 10719 boolean installed = false; 10720 10721 // writer 10722 synchronized (mPackages) { 10723 pkgSetting = mSettings.mPackages.get(packageName); 10724 if (pkgSetting == null) { 10725 return PackageManager.INSTALL_FAILED_INVALID_URI; 10726 } 10727 if (!pkgSetting.getInstalled(userId)) { 10728 pkgSetting.setInstalled(true, userId); 10729 pkgSetting.setHidden(false, userId); 10730 mSettings.writePackageRestrictionsLPr(userId); 10731 installed = true; 10732 } 10733 } 10734 10735 if (installed) { 10736 if (pkgSetting.pkg != null) { 10737 prepareAppDataAfterInstall(pkgSetting.pkg); 10738 } 10739 sendPackageAddedForUser(packageName, pkgSetting, userId); 10740 } 10741 } finally { 10742 Binder.restoreCallingIdentity(callingId); 10743 } 10744 10745 return PackageManager.INSTALL_SUCCEEDED; 10746 } 10747 10748 boolean isUserRestricted(int userId, String restrictionKey) { 10749 Bundle restrictions = sUserManager.getUserRestrictions(userId); 10750 if (restrictions.getBoolean(restrictionKey, false)) { 10751 Log.w(TAG, "User is restricted: " + restrictionKey); 10752 return true; 10753 } 10754 return false; 10755 } 10756 10757 @Override 10758 public String[] setPackagesSuspendedAsUser(String[] packageNames, boolean suspended, 10759 int userId) { 10760 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 10761 enforceCrossUserPermission(Binder.getCallingUid(), userId, 10762 true /* requireFullPermission */, true /* checkShell */, 10763 "setPackagesSuspended for user " + userId); 10764 10765 if (ArrayUtils.isEmpty(packageNames)) { 10766 return packageNames; 10767 } 10768 10769 // List of package names for whom the suspended state has changed. 10770 List<String> changedPackages = new ArrayList<>(packageNames.length); 10771 // List of package names for whom the suspended state is not set as requested in this 10772 // method. 10773 List<String> unactionedPackages = new ArrayList<>(packageNames.length); 10774 for (int i = 0; i < packageNames.length; i++) { 10775 String packageName = packageNames[i]; 10776 long callingId = Binder.clearCallingIdentity(); 10777 try { 10778 boolean changed = false; 10779 final int appId; 10780 synchronized (mPackages) { 10781 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 10782 if (pkgSetting == null) { 10783 Slog.w(TAG, "Could not find package setting for package \"" + packageName 10784 + "\". Skipping suspending/un-suspending."); 10785 unactionedPackages.add(packageName); 10786 continue; 10787 } 10788 appId = pkgSetting.appId; 10789 if (pkgSetting.getSuspended(userId) != suspended) { 10790 if (!canSuspendPackageForUserLocked(packageName, userId)) { 10791 unactionedPackages.add(packageName); 10792 continue; 10793 } 10794 pkgSetting.setSuspended(suspended, userId); 10795 mSettings.writePackageRestrictionsLPr(userId); 10796 changed = true; 10797 changedPackages.add(packageName); 10798 } 10799 } 10800 10801 if (changed && suspended) { 10802 killApplication(packageName, UserHandle.getUid(userId, appId), 10803 "suspending package"); 10804 } 10805 } finally { 10806 Binder.restoreCallingIdentity(callingId); 10807 } 10808 } 10809 10810 if (!changedPackages.isEmpty()) { 10811 sendPackagesSuspendedForUser(changedPackages.toArray( 10812 new String[changedPackages.size()]), userId, suspended); 10813 } 10814 10815 return unactionedPackages.toArray(new String[unactionedPackages.size()]); 10816 } 10817 10818 @Override 10819 public boolean isPackageSuspendedForUser(String packageName, int userId) { 10820 enforceCrossUserPermission(Binder.getCallingUid(), userId, 10821 true /* requireFullPermission */, false /* checkShell */, 10822 "isPackageSuspendedForUser for user " + userId); 10823 synchronized (mPackages) { 10824 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 10825 return pkgSetting != null && pkgSetting.getSuspended(userId); 10826 } 10827 } 10828 10829 /** 10830 * TODO: cache and disallow blocking the active dialer. 10831 * 10832 * @see also DefaultPermissionGrantPolicy#grantDefaultSystemHandlerPermissions 10833 */ 10834 private boolean canSuspendPackageForUserLocked(String packageName, int userId) { 10835 if (isPackageDeviceAdmin(packageName, userId)) { 10836 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 10837 + "\": has an active device admin"); 10838 return false; 10839 } 10840 10841 String activeLauncherPackageName = getActiveLauncherPackageName(userId); 10842 if (packageName.equals(activeLauncherPackageName)) { 10843 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 10844 + "\": contains the active launcher"); 10845 return false; 10846 } 10847 10848 if (packageName.equals(mRequiredInstallerPackage)) { 10849 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 10850 + "\": required for package installation"); 10851 return false; 10852 } 10853 10854 if (packageName.equals(mRequiredVerifierPackage)) { 10855 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 10856 + "\": required for package verification"); 10857 return false; 10858 } 10859 10860 final PackageParser.Package pkg = mPackages.get(packageName); 10861 if (pkg != null && isPrivilegedApp(pkg)) { 10862 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 10863 + "\": is a privileged app"); 10864 return false; 10865 } 10866 10867 return true; 10868 } 10869 10870 private String getActiveLauncherPackageName(int userId) { 10871 Intent intent = new Intent(Intent.ACTION_MAIN); 10872 intent.addCategory(Intent.CATEGORY_HOME); 10873 ResolveInfo resolveInfo = resolveIntent( 10874 intent, 10875 intent.resolveTypeIfNeeded(mContext.getContentResolver()), 10876 PackageManager.MATCH_DEFAULT_ONLY, 10877 userId); 10878 10879 return resolveInfo == null ? null : resolveInfo.activityInfo.packageName; 10880 } 10881 10882 @Override 10883 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 10884 mContext.enforceCallingOrSelfPermission( 10885 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 10886 "Only package verification agents can verify applications"); 10887 10888 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 10889 final PackageVerificationResponse response = new PackageVerificationResponse( 10890 verificationCode, Binder.getCallingUid()); 10891 msg.arg1 = id; 10892 msg.obj = response; 10893 mHandler.sendMessage(msg); 10894 } 10895 10896 @Override 10897 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 10898 long millisecondsToDelay) { 10899 mContext.enforceCallingOrSelfPermission( 10900 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 10901 "Only package verification agents can extend verification timeouts"); 10902 10903 final PackageVerificationState state = mPendingVerification.get(id); 10904 final PackageVerificationResponse response = new PackageVerificationResponse( 10905 verificationCodeAtTimeout, Binder.getCallingUid()); 10906 10907 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 10908 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 10909 } 10910 if (millisecondsToDelay < 0) { 10911 millisecondsToDelay = 0; 10912 } 10913 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 10914 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 10915 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 10916 } 10917 10918 if ((state != null) && !state.timeoutExtended()) { 10919 state.extendTimeout(); 10920 10921 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 10922 msg.arg1 = id; 10923 msg.obj = response; 10924 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 10925 } 10926 } 10927 10928 private void broadcastPackageVerified(int verificationId, Uri packageUri, 10929 int verificationCode, UserHandle user) { 10930 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 10931 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 10932 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 10933 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 10934 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 10935 10936 mContext.sendBroadcastAsUser(intent, user, 10937 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 10938 } 10939 10940 private ComponentName matchComponentForVerifier(String packageName, 10941 List<ResolveInfo> receivers) { 10942 ActivityInfo targetReceiver = null; 10943 10944 final int NR = receivers.size(); 10945 for (int i = 0; i < NR; i++) { 10946 final ResolveInfo info = receivers.get(i); 10947 if (info.activityInfo == null) { 10948 continue; 10949 } 10950 10951 if (packageName.equals(info.activityInfo.packageName)) { 10952 targetReceiver = info.activityInfo; 10953 break; 10954 } 10955 } 10956 10957 if (targetReceiver == null) { 10958 return null; 10959 } 10960 10961 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 10962 } 10963 10964 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 10965 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 10966 if (pkgInfo.verifiers.length == 0) { 10967 return null; 10968 } 10969 10970 final int N = pkgInfo.verifiers.length; 10971 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 10972 for (int i = 0; i < N; i++) { 10973 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 10974 10975 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 10976 receivers); 10977 if (comp == null) { 10978 continue; 10979 } 10980 10981 final int verifierUid = getUidForVerifier(verifierInfo); 10982 if (verifierUid == -1) { 10983 continue; 10984 } 10985 10986 if (DEBUG_VERIFY) { 10987 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 10988 + " with the correct signature"); 10989 } 10990 sufficientVerifiers.add(comp); 10991 verificationState.addSufficientVerifier(verifierUid); 10992 } 10993 10994 return sufficientVerifiers; 10995 } 10996 10997 private int getUidForVerifier(VerifierInfo verifierInfo) { 10998 synchronized (mPackages) { 10999 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 11000 if (pkg == null) { 11001 return -1; 11002 } else if (pkg.mSignatures.length != 1) { 11003 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 11004 + " has more than one signature; ignoring"); 11005 return -1; 11006 } 11007 11008 /* 11009 * If the public key of the package's signature does not match 11010 * our expected public key, then this is a different package and 11011 * we should skip. 11012 */ 11013 11014 final byte[] expectedPublicKey; 11015 try { 11016 final Signature verifierSig = pkg.mSignatures[0]; 11017 final PublicKey publicKey = verifierSig.getPublicKey(); 11018 expectedPublicKey = publicKey.getEncoded(); 11019 } catch (CertificateException e) { 11020 return -1; 11021 } 11022 11023 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 11024 11025 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 11026 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 11027 + " does not have the expected public key; ignoring"); 11028 return -1; 11029 } 11030 11031 return pkg.applicationInfo.uid; 11032 } 11033 } 11034 11035 @Override 11036 public void finishPackageInstall(int token) { 11037 enforceSystemOrRoot("Only the system is allowed to finish installs"); 11038 11039 if (DEBUG_INSTALL) { 11040 Slog.v(TAG, "BM finishing package install for " + token); 11041 } 11042 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 11043 11044 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 11045 mHandler.sendMessage(msg); 11046 } 11047 11048 /** 11049 * Get the verification agent timeout. 11050 * 11051 * @return verification timeout in milliseconds 11052 */ 11053 private long getVerificationTimeout() { 11054 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 11055 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 11056 DEFAULT_VERIFICATION_TIMEOUT); 11057 } 11058 11059 /** 11060 * Get the default verification agent response code. 11061 * 11062 * @return default verification response code 11063 */ 11064 private int getDefaultVerificationResponse() { 11065 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 11066 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 11067 DEFAULT_VERIFICATION_RESPONSE); 11068 } 11069 11070 /** 11071 * Check whether or not package verification has been enabled. 11072 * 11073 * @return true if verification should be performed 11074 */ 11075 private boolean isVerificationEnabled(int userId, int installFlags) { 11076 if (!DEFAULT_VERIFY_ENABLE) { 11077 return false; 11078 } 11079 // Ephemeral apps don't get the full verification treatment 11080 if ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 11081 if (DEBUG_EPHEMERAL) { 11082 Slog.d(TAG, "INSTALL_EPHEMERAL so skipping verification"); 11083 } 11084 return false; 11085 } 11086 11087 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 11088 11089 // Check if installing from ADB 11090 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 11091 // Do not run verification in a test harness environment 11092 if (ActivityManager.isRunningInTestHarness()) { 11093 return false; 11094 } 11095 if (ensureVerifyAppsEnabled) { 11096 return true; 11097 } 11098 // Check if the developer does not want package verification for ADB installs 11099 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 11100 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 11101 return false; 11102 } 11103 } 11104 11105 if (ensureVerifyAppsEnabled) { 11106 return true; 11107 } 11108 11109 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 11110 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 11111 } 11112 11113 @Override 11114 public void verifyIntentFilter(int id, int verificationCode, List<String> failedDomains) 11115 throws RemoteException { 11116 mContext.enforceCallingOrSelfPermission( 11117 Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 11118 "Only intentfilter verification agents can verify applications"); 11119 11120 final Message msg = mHandler.obtainMessage(INTENT_FILTER_VERIFIED); 11121 final IntentFilterVerificationResponse response = new IntentFilterVerificationResponse( 11122 Binder.getCallingUid(), verificationCode, failedDomains); 11123 msg.arg1 = id; 11124 msg.obj = response; 11125 mHandler.sendMessage(msg); 11126 } 11127 11128 @Override 11129 public int getIntentVerificationStatus(String packageName, int userId) { 11130 synchronized (mPackages) { 11131 return mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 11132 } 11133 } 11134 11135 @Override 11136 public boolean updateIntentVerificationStatus(String packageName, int status, int userId) { 11137 mContext.enforceCallingOrSelfPermission( 11138 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11139 11140 boolean result = false; 11141 synchronized (mPackages) { 11142 result = mSettings.updateIntentFilterVerificationStatusLPw(packageName, status, userId); 11143 } 11144 if (result) { 11145 scheduleWritePackageRestrictionsLocked(userId); 11146 } 11147 return result; 11148 } 11149 11150 @Override 11151 public @NonNull ParceledListSlice<IntentFilterVerificationInfo> getIntentFilterVerifications( 11152 String packageName) { 11153 synchronized (mPackages) { 11154 return new ParceledListSlice<>(mSettings.getIntentFilterVerificationsLPr(packageName)); 11155 } 11156 } 11157 11158 @Override 11159 public @NonNull ParceledListSlice<IntentFilter> getAllIntentFilters(String packageName) { 11160 if (TextUtils.isEmpty(packageName)) { 11161 return ParceledListSlice.emptyList(); 11162 } 11163 synchronized (mPackages) { 11164 PackageParser.Package pkg = mPackages.get(packageName); 11165 if (pkg == null || pkg.activities == null) { 11166 return ParceledListSlice.emptyList(); 11167 } 11168 final int count = pkg.activities.size(); 11169 ArrayList<IntentFilter> result = new ArrayList<>(); 11170 for (int n=0; n<count; n++) { 11171 PackageParser.Activity activity = pkg.activities.get(n); 11172 if (activity.intents != null && activity.intents.size() > 0) { 11173 result.addAll(activity.intents); 11174 } 11175 } 11176 return new ParceledListSlice<>(result); 11177 } 11178 } 11179 11180 @Override 11181 public boolean setDefaultBrowserPackageName(String packageName, int userId) { 11182 mContext.enforceCallingOrSelfPermission( 11183 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11184 11185 synchronized (mPackages) { 11186 boolean result = mSettings.setDefaultBrowserPackageNameLPw(packageName, userId); 11187 if (packageName != null) { 11188 result |= updateIntentVerificationStatus(packageName, 11189 PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, 11190 userId); 11191 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultBrowserLPr( 11192 packageName, userId); 11193 } 11194 return result; 11195 } 11196 } 11197 11198 @Override 11199 public String getDefaultBrowserPackageName(int userId) { 11200 synchronized (mPackages) { 11201 return mSettings.getDefaultBrowserPackageNameLPw(userId); 11202 } 11203 } 11204 11205 /** 11206 * Get the "allow unknown sources" setting. 11207 * 11208 * @return the current "allow unknown sources" setting 11209 */ 11210 private int getUnknownSourcesSettings() { 11211 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 11212 android.provider.Settings.Global.INSTALL_NON_MARKET_APPS, 11213 -1); 11214 } 11215 11216 @Override 11217 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 11218 final int uid = Binder.getCallingUid(); 11219 // writer 11220 synchronized (mPackages) { 11221 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 11222 if (targetPackageSetting == null) { 11223 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 11224 } 11225 11226 PackageSetting installerPackageSetting; 11227 if (installerPackageName != null) { 11228 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 11229 if (installerPackageSetting == null) { 11230 throw new IllegalArgumentException("Unknown installer package: " 11231 + installerPackageName); 11232 } 11233 } else { 11234 installerPackageSetting = null; 11235 } 11236 11237 Signature[] callerSignature; 11238 Object obj = mSettings.getUserIdLPr(uid); 11239 if (obj != null) { 11240 if (obj instanceof SharedUserSetting) { 11241 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 11242 } else if (obj instanceof PackageSetting) { 11243 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 11244 } else { 11245 throw new SecurityException("Bad object " + obj + " for uid " + uid); 11246 } 11247 } else { 11248 throw new SecurityException("Unknown calling UID: " + uid); 11249 } 11250 11251 // Verify: can't set installerPackageName to a package that is 11252 // not signed with the same cert as the caller. 11253 if (installerPackageSetting != null) { 11254 if (compareSignatures(callerSignature, 11255 installerPackageSetting.signatures.mSignatures) 11256 != PackageManager.SIGNATURE_MATCH) { 11257 throw new SecurityException( 11258 "Caller does not have same cert as new installer package " 11259 + installerPackageName); 11260 } 11261 } 11262 11263 // Verify: if target already has an installer package, it must 11264 // be signed with the same cert as the caller. 11265 if (targetPackageSetting.installerPackageName != null) { 11266 PackageSetting setting = mSettings.mPackages.get( 11267 targetPackageSetting.installerPackageName); 11268 // If the currently set package isn't valid, then it's always 11269 // okay to change it. 11270 if (setting != null) { 11271 if (compareSignatures(callerSignature, 11272 setting.signatures.mSignatures) 11273 != PackageManager.SIGNATURE_MATCH) { 11274 throw new SecurityException( 11275 "Caller does not have same cert as old installer package " 11276 + targetPackageSetting.installerPackageName); 11277 } 11278 } 11279 } 11280 11281 // Okay! 11282 targetPackageSetting.installerPackageName = installerPackageName; 11283 scheduleWriteSettingsLocked(); 11284 } 11285 } 11286 11287 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 11288 // Queue up an async operation since the package installation may take a little while. 11289 mHandler.post(new Runnable() { 11290 public void run() { 11291 mHandler.removeCallbacks(this); 11292 // Result object to be returned 11293 PackageInstalledInfo res = new PackageInstalledInfo(); 11294 res.setReturnCode(currentStatus); 11295 res.uid = -1; 11296 res.pkg = null; 11297 res.removedInfo = null; 11298 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 11299 args.doPreInstall(res.returnCode); 11300 synchronized (mInstallLock) { 11301 installPackageTracedLI(args, res); 11302 } 11303 args.doPostInstall(res.returnCode, res.uid); 11304 } 11305 11306 // A restore should be performed at this point if (a) the install 11307 // succeeded, (b) the operation is not an update, and (c) the new 11308 // package has not opted out of backup participation. 11309 final boolean update = res.removedInfo != null 11310 && res.removedInfo.removedPackage != null; 11311 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 11312 boolean doRestore = !update 11313 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 11314 11315 // Set up the post-install work request bookkeeping. This will be used 11316 // and cleaned up by the post-install event handling regardless of whether 11317 // there's a restore pass performed. Token values are >= 1. 11318 int token; 11319 if (mNextInstallToken < 0) mNextInstallToken = 1; 11320 token = mNextInstallToken++; 11321 11322 PostInstallData data = new PostInstallData(args, res); 11323 mRunningInstalls.put(token, data); 11324 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 11325 11326 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 11327 // Pass responsibility to the Backup Manager. It will perform a 11328 // restore if appropriate, then pass responsibility back to the 11329 // Package Manager to run the post-install observer callbacks 11330 // and broadcasts. 11331 IBackupManager bm = IBackupManager.Stub.asInterface( 11332 ServiceManager.getService(Context.BACKUP_SERVICE)); 11333 if (bm != null) { 11334 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 11335 + " to BM for possible restore"); 11336 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 11337 try { 11338 // TODO: http://b/22388012 11339 if (bm.isBackupServiceActive(UserHandle.USER_SYSTEM)) { 11340 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 11341 } else { 11342 doRestore = false; 11343 } 11344 } catch (RemoteException e) { 11345 // can't happen; the backup manager is local 11346 } catch (Exception e) { 11347 Slog.e(TAG, "Exception trying to enqueue restore", e); 11348 doRestore = false; 11349 } 11350 } else { 11351 Slog.e(TAG, "Backup Manager not found!"); 11352 doRestore = false; 11353 } 11354 } 11355 11356 if (!doRestore) { 11357 // No restore possible, or the Backup Manager was mysteriously not 11358 // available -- just fire the post-install work request directly. 11359 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 11360 11361 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "postInstall", token); 11362 11363 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 11364 mHandler.sendMessage(msg); 11365 } 11366 } 11367 }); 11368 } 11369 11370 private abstract class HandlerParams { 11371 private static final int MAX_RETRIES = 4; 11372 11373 /** 11374 * Number of times startCopy() has been attempted and had a non-fatal 11375 * error. 11376 */ 11377 private int mRetries = 0; 11378 11379 /** User handle for the user requesting the information or installation. */ 11380 private final UserHandle mUser; 11381 String traceMethod; 11382 int traceCookie; 11383 11384 HandlerParams(UserHandle user) { 11385 mUser = user; 11386 } 11387 11388 UserHandle getUser() { 11389 return mUser; 11390 } 11391 11392 HandlerParams setTraceMethod(String traceMethod) { 11393 this.traceMethod = traceMethod; 11394 return this; 11395 } 11396 11397 HandlerParams setTraceCookie(int traceCookie) { 11398 this.traceCookie = traceCookie; 11399 return this; 11400 } 11401 11402 final boolean startCopy() { 11403 boolean res; 11404 try { 11405 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 11406 11407 if (++mRetries > MAX_RETRIES) { 11408 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 11409 mHandler.sendEmptyMessage(MCS_GIVE_UP); 11410 handleServiceError(); 11411 return false; 11412 } else { 11413 handleStartCopy(); 11414 res = true; 11415 } 11416 } catch (RemoteException e) { 11417 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 11418 mHandler.sendEmptyMessage(MCS_RECONNECT); 11419 res = false; 11420 } 11421 handleReturnCode(); 11422 return res; 11423 } 11424 11425 final void serviceError() { 11426 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 11427 handleServiceError(); 11428 handleReturnCode(); 11429 } 11430 11431 abstract void handleStartCopy() throws RemoteException; 11432 abstract void handleServiceError(); 11433 abstract void handleReturnCode(); 11434 } 11435 11436 class MeasureParams extends HandlerParams { 11437 private final PackageStats mStats; 11438 private boolean mSuccess; 11439 11440 private final IPackageStatsObserver mObserver; 11441 11442 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 11443 super(new UserHandle(stats.userHandle)); 11444 mObserver = observer; 11445 mStats = stats; 11446 } 11447 11448 @Override 11449 public String toString() { 11450 return "MeasureParams{" 11451 + Integer.toHexString(System.identityHashCode(this)) 11452 + " " + mStats.packageName + "}"; 11453 } 11454 11455 @Override 11456 void handleStartCopy() throws RemoteException { 11457 synchronized (mInstallLock) { 11458 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 11459 } 11460 11461 if (mSuccess) { 11462 final boolean mounted; 11463 if (Environment.isExternalStorageEmulated()) { 11464 mounted = true; 11465 } else { 11466 final String status = Environment.getExternalStorageState(); 11467 mounted = (Environment.MEDIA_MOUNTED.equals(status) 11468 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 11469 } 11470 11471 if (mounted) { 11472 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 11473 11474 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 11475 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 11476 11477 mStats.externalDataSize = calculateDirectorySize(mContainerService, 11478 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 11479 11480 // Always subtract cache size, since it's a subdirectory 11481 mStats.externalDataSize -= mStats.externalCacheSize; 11482 11483 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 11484 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 11485 11486 mStats.externalObbSize = calculateDirectorySize(mContainerService, 11487 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 11488 } 11489 } 11490 } 11491 11492 @Override 11493 void handleReturnCode() { 11494 if (mObserver != null) { 11495 try { 11496 mObserver.onGetStatsCompleted(mStats, mSuccess); 11497 } catch (RemoteException e) { 11498 Slog.i(TAG, "Observer no longer exists."); 11499 } 11500 } 11501 } 11502 11503 @Override 11504 void handleServiceError() { 11505 Slog.e(TAG, "Could not measure application " + mStats.packageName 11506 + " external storage"); 11507 } 11508 } 11509 11510 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 11511 throws RemoteException { 11512 long result = 0; 11513 for (File path : paths) { 11514 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 11515 } 11516 return result; 11517 } 11518 11519 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 11520 for (File path : paths) { 11521 try { 11522 mcs.clearDirectory(path.getAbsolutePath()); 11523 } catch (RemoteException e) { 11524 } 11525 } 11526 } 11527 11528 static class OriginInfo { 11529 /** 11530 * Location where install is coming from, before it has been 11531 * copied/renamed into place. This could be a single monolithic APK 11532 * file, or a cluster directory. This location may be untrusted. 11533 */ 11534 final File file; 11535 final String cid; 11536 11537 /** 11538 * Flag indicating that {@link #file} or {@link #cid} has already been 11539 * staged, meaning downstream users don't need to defensively copy the 11540 * contents. 11541 */ 11542 final boolean staged; 11543 11544 /** 11545 * Flag indicating that {@link #file} or {@link #cid} is an already 11546 * installed app that is being moved. 11547 */ 11548 final boolean existing; 11549 11550 final String resolvedPath; 11551 final File resolvedFile; 11552 11553 static OriginInfo fromNothing() { 11554 return new OriginInfo(null, null, false, false); 11555 } 11556 11557 static OriginInfo fromUntrustedFile(File file) { 11558 return new OriginInfo(file, null, false, false); 11559 } 11560 11561 static OriginInfo fromExistingFile(File file) { 11562 return new OriginInfo(file, null, false, true); 11563 } 11564 11565 static OriginInfo fromStagedFile(File file) { 11566 return new OriginInfo(file, null, true, false); 11567 } 11568 11569 static OriginInfo fromStagedContainer(String cid) { 11570 return new OriginInfo(null, cid, true, false); 11571 } 11572 11573 private OriginInfo(File file, String cid, boolean staged, boolean existing) { 11574 this.file = file; 11575 this.cid = cid; 11576 this.staged = staged; 11577 this.existing = existing; 11578 11579 if (cid != null) { 11580 resolvedPath = PackageHelper.getSdDir(cid); 11581 resolvedFile = new File(resolvedPath); 11582 } else if (file != null) { 11583 resolvedPath = file.getAbsolutePath(); 11584 resolvedFile = file; 11585 } else { 11586 resolvedPath = null; 11587 resolvedFile = null; 11588 } 11589 } 11590 } 11591 11592 static class MoveInfo { 11593 final int moveId; 11594 final String fromUuid; 11595 final String toUuid; 11596 final String packageName; 11597 final String dataAppName; 11598 final int appId; 11599 final String seinfo; 11600 final int targetSdkVersion; 11601 11602 public MoveInfo(int moveId, String fromUuid, String toUuid, String packageName, 11603 String dataAppName, int appId, String seinfo, int targetSdkVersion) { 11604 this.moveId = moveId; 11605 this.fromUuid = fromUuid; 11606 this.toUuid = toUuid; 11607 this.packageName = packageName; 11608 this.dataAppName = dataAppName; 11609 this.appId = appId; 11610 this.seinfo = seinfo; 11611 this.targetSdkVersion = targetSdkVersion; 11612 } 11613 } 11614 11615 static class VerificationInfo { 11616 /** A constant used to indicate that a uid value is not present. */ 11617 public static final int NO_UID = -1; 11618 11619 /** URI referencing where the package was downloaded from. */ 11620 final Uri originatingUri; 11621 11622 /** HTTP referrer URI associated with the originatingURI. */ 11623 final Uri referrer; 11624 11625 /** UID of the application that the install request originated from. */ 11626 final int originatingUid; 11627 11628 /** UID of application requesting the install */ 11629 final int installerUid; 11630 11631 VerificationInfo(Uri originatingUri, Uri referrer, int originatingUid, int installerUid) { 11632 this.originatingUri = originatingUri; 11633 this.referrer = referrer; 11634 this.originatingUid = originatingUid; 11635 this.installerUid = installerUid; 11636 } 11637 } 11638 11639 class InstallParams extends HandlerParams { 11640 final OriginInfo origin; 11641 final MoveInfo move; 11642 final IPackageInstallObserver2 observer; 11643 int installFlags; 11644 final String installerPackageName; 11645 final String volumeUuid; 11646 private InstallArgs mArgs; 11647 private int mRet; 11648 final String packageAbiOverride; 11649 final String[] grantedRuntimePermissions; 11650 final VerificationInfo verificationInfo; 11651 11652 InstallParams(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 11653 int installFlags, String installerPackageName, String volumeUuid, 11654 VerificationInfo verificationInfo, UserHandle user, String packageAbiOverride, 11655 String[] grantedPermissions) { 11656 super(user); 11657 this.origin = origin; 11658 this.move = move; 11659 this.observer = observer; 11660 this.installFlags = installFlags; 11661 this.installerPackageName = installerPackageName; 11662 this.volumeUuid = volumeUuid; 11663 this.verificationInfo = verificationInfo; 11664 this.packageAbiOverride = packageAbiOverride; 11665 this.grantedRuntimePermissions = grantedPermissions; 11666 } 11667 11668 @Override 11669 public String toString() { 11670 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 11671 + " file=" + origin.file + " cid=" + origin.cid + "}"; 11672 } 11673 11674 private int installLocationPolicy(PackageInfoLite pkgLite) { 11675 String packageName = pkgLite.packageName; 11676 int installLocation = pkgLite.installLocation; 11677 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 11678 // reader 11679 synchronized (mPackages) { 11680 // Currently installed package which the new package is attempting to replace or 11681 // null if no such package is installed. 11682 PackageParser.Package installedPkg = mPackages.get(packageName); 11683 // Package which currently owns the data which the new package will own if installed. 11684 // If an app is unstalled while keeping data (e.g., adb uninstall -k), installedPkg 11685 // will be null whereas dataOwnerPkg will contain information about the package 11686 // which was uninstalled while keeping its data. 11687 PackageParser.Package dataOwnerPkg = installedPkg; 11688 if (dataOwnerPkg == null) { 11689 PackageSetting ps = mSettings.mPackages.get(packageName); 11690 if (ps != null) { 11691 dataOwnerPkg = ps.pkg; 11692 } 11693 } 11694 11695 if (dataOwnerPkg != null) { 11696 // If installed, the package will get access to data left on the device by its 11697 // predecessor. As a security measure, this is permited only if this is not a 11698 // version downgrade or if the predecessor package is marked as debuggable and 11699 // a downgrade is explicitly requested. 11700 if (((dataOwnerPkg.applicationInfo.flags & ApplicationInfo.FLAG_DEBUGGABLE) == 0) 11701 || ((installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) == 0)) { 11702 try { 11703 checkDowngrade(dataOwnerPkg, pkgLite); 11704 } catch (PackageManagerException e) { 11705 Slog.w(TAG, "Downgrade detected: " + e.getMessage()); 11706 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 11707 } 11708 } 11709 } 11710 11711 if (installedPkg != null) { 11712 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 11713 // Check for updated system application. 11714 if ((installedPkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 11715 if (onSd) { 11716 Slog.w(TAG, "Cannot install update to system app on sdcard"); 11717 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 11718 } 11719 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 11720 } else { 11721 if (onSd) { 11722 // Install flag overrides everything. 11723 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 11724 } 11725 // If current upgrade specifies particular preference 11726 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 11727 // Application explicitly specified internal. 11728 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 11729 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 11730 // App explictly prefers external. Let policy decide 11731 } else { 11732 // Prefer previous location 11733 if (isExternal(installedPkg)) { 11734 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 11735 } 11736 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 11737 } 11738 } 11739 } else { 11740 // Invalid install. Return error code 11741 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 11742 } 11743 } 11744 } 11745 // All the special cases have been taken care of. 11746 // Return result based on recommended install location. 11747 if (onSd) { 11748 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 11749 } 11750 return pkgLite.recommendedInstallLocation; 11751 } 11752 11753 /* 11754 * Invoke remote method to get package information and install 11755 * location values. Override install location based on default 11756 * policy if needed and then create install arguments based 11757 * on the install location. 11758 */ 11759 public void handleStartCopy() throws RemoteException { 11760 int ret = PackageManager.INSTALL_SUCCEEDED; 11761 11762 // If we're already staged, we've firmly committed to an install location 11763 if (origin.staged) { 11764 if (origin.file != null) { 11765 installFlags |= PackageManager.INSTALL_INTERNAL; 11766 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 11767 } else if (origin.cid != null) { 11768 installFlags |= PackageManager.INSTALL_EXTERNAL; 11769 installFlags &= ~PackageManager.INSTALL_INTERNAL; 11770 } else { 11771 throw new IllegalStateException("Invalid stage location"); 11772 } 11773 } 11774 11775 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 11776 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 11777 final boolean ephemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 11778 PackageInfoLite pkgLite = null; 11779 11780 if (onInt && onSd) { 11781 // Check if both bits are set. 11782 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 11783 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 11784 } else if (onSd && ephemeral) { 11785 Slog.w(TAG, "Conflicting flags specified for installing ephemeral on external"); 11786 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 11787 } else { 11788 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 11789 packageAbiOverride); 11790 11791 if (DEBUG_EPHEMERAL && ephemeral) { 11792 Slog.v(TAG, "pkgLite for install: " + pkgLite); 11793 } 11794 11795 /* 11796 * If we have too little free space, try to free cache 11797 * before giving up. 11798 */ 11799 if (!origin.staged && pkgLite.recommendedInstallLocation 11800 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 11801 // TODO: focus freeing disk space on the target device 11802 final StorageManager storage = StorageManager.from(mContext); 11803 final long lowThreshold = storage.getStorageLowBytes( 11804 Environment.getDataDirectory()); 11805 11806 final long sizeBytes = mContainerService.calculateInstalledSize( 11807 origin.resolvedPath, isForwardLocked(), packageAbiOverride); 11808 11809 try { 11810 mInstaller.freeCache(null, sizeBytes + lowThreshold); 11811 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 11812 installFlags, packageAbiOverride); 11813 } catch (InstallerException e) { 11814 Slog.w(TAG, "Failed to free cache", e); 11815 } 11816 11817 /* 11818 * The cache free must have deleted the file we 11819 * downloaded to install. 11820 * 11821 * TODO: fix the "freeCache" call to not delete 11822 * the file we care about. 11823 */ 11824 if (pkgLite.recommendedInstallLocation 11825 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 11826 pkgLite.recommendedInstallLocation 11827 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 11828 } 11829 } 11830 } 11831 11832 if (ret == PackageManager.INSTALL_SUCCEEDED) { 11833 int loc = pkgLite.recommendedInstallLocation; 11834 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 11835 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 11836 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 11837 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 11838 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 11839 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 11840 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 11841 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 11842 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 11843 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 11844 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 11845 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 11846 } else { 11847 // Override with defaults if needed. 11848 loc = installLocationPolicy(pkgLite); 11849 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 11850 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 11851 } else if (!onSd && !onInt) { 11852 // Override install location with flags 11853 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 11854 // Set the flag to install on external media. 11855 installFlags |= PackageManager.INSTALL_EXTERNAL; 11856 installFlags &= ~PackageManager.INSTALL_INTERNAL; 11857 } else if (loc == PackageHelper.RECOMMEND_INSTALL_EPHEMERAL) { 11858 if (DEBUG_EPHEMERAL) { 11859 Slog.v(TAG, "...setting INSTALL_EPHEMERAL install flag"); 11860 } 11861 installFlags |= PackageManager.INSTALL_EPHEMERAL; 11862 installFlags &= ~(PackageManager.INSTALL_EXTERNAL 11863 |PackageManager.INSTALL_INTERNAL); 11864 } else { 11865 // Make sure the flag for installing on external 11866 // media is unset 11867 installFlags |= PackageManager.INSTALL_INTERNAL; 11868 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 11869 } 11870 } 11871 } 11872 } 11873 11874 final InstallArgs args = createInstallArgs(this); 11875 mArgs = args; 11876 11877 if (ret == PackageManager.INSTALL_SUCCEEDED) { 11878 // TODO: http://b/22976637 11879 // Apps installed for "all" users use the device owner to verify the app 11880 UserHandle verifierUser = getUser(); 11881 if (verifierUser == UserHandle.ALL) { 11882 verifierUser = UserHandle.SYSTEM; 11883 } 11884 11885 /* 11886 * Determine if we have any installed package verifiers. If we 11887 * do, then we'll defer to them to verify the packages. 11888 */ 11889 final int requiredUid = mRequiredVerifierPackage == null ? -1 11890 : getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 11891 verifierUser.getIdentifier()); 11892 if (!origin.existing && requiredUid != -1 11893 && isVerificationEnabled(verifierUser.getIdentifier(), installFlags)) { 11894 final Intent verification = new Intent( 11895 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 11896 verification.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 11897 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 11898 PACKAGE_MIME_TYPE); 11899 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 11900 11901 // Query all live verifiers based on current user state 11902 final List<ResolveInfo> receivers = queryIntentReceiversInternal(verification, 11903 PACKAGE_MIME_TYPE, 0, verifierUser.getIdentifier()); 11904 11905 if (DEBUG_VERIFY) { 11906 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 11907 + verification.toString() + " with " + pkgLite.verifiers.length 11908 + " optional verifiers"); 11909 } 11910 11911 final int verificationId = mPendingVerificationToken++; 11912 11913 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 11914 11915 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 11916 installerPackageName); 11917 11918 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 11919 installFlags); 11920 11921 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 11922 pkgLite.packageName); 11923 11924 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 11925 pkgLite.versionCode); 11926 11927 if (verificationInfo != null) { 11928 if (verificationInfo.originatingUri != null) { 11929 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 11930 verificationInfo.originatingUri); 11931 } 11932 if (verificationInfo.referrer != null) { 11933 verification.putExtra(Intent.EXTRA_REFERRER, 11934 verificationInfo.referrer); 11935 } 11936 if (verificationInfo.originatingUid >= 0) { 11937 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 11938 verificationInfo.originatingUid); 11939 } 11940 if (verificationInfo.installerUid >= 0) { 11941 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 11942 verificationInfo.installerUid); 11943 } 11944 } 11945 11946 final PackageVerificationState verificationState = new PackageVerificationState( 11947 requiredUid, args); 11948 11949 mPendingVerification.append(verificationId, verificationState); 11950 11951 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 11952 receivers, verificationState); 11953 11954 /* 11955 * If any sufficient verifiers were listed in the package 11956 * manifest, attempt to ask them. 11957 */ 11958 if (sufficientVerifiers != null) { 11959 final int N = sufficientVerifiers.size(); 11960 if (N == 0) { 11961 Slog.i(TAG, "Additional verifiers required, but none installed."); 11962 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 11963 } else { 11964 for (int i = 0; i < N; i++) { 11965 final ComponentName verifierComponent = sufficientVerifiers.get(i); 11966 11967 final Intent sufficientIntent = new Intent(verification); 11968 sufficientIntent.setComponent(verifierComponent); 11969 mContext.sendBroadcastAsUser(sufficientIntent, verifierUser); 11970 } 11971 } 11972 } 11973 11974 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 11975 mRequiredVerifierPackage, receivers); 11976 if (ret == PackageManager.INSTALL_SUCCEEDED 11977 && mRequiredVerifierPackage != null) { 11978 Trace.asyncTraceBegin( 11979 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 11980 /* 11981 * Send the intent to the required verification agent, 11982 * but only start the verification timeout after the 11983 * target BroadcastReceivers have run. 11984 */ 11985 verification.setComponent(requiredVerifierComponent); 11986 mContext.sendOrderedBroadcastAsUser(verification, verifierUser, 11987 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 11988 new BroadcastReceiver() { 11989 @Override 11990 public void onReceive(Context context, Intent intent) { 11991 final Message msg = mHandler 11992 .obtainMessage(CHECK_PENDING_VERIFICATION); 11993 msg.arg1 = verificationId; 11994 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 11995 } 11996 }, null, 0, null, null); 11997 11998 /* 11999 * We don't want the copy to proceed until verification 12000 * succeeds, so null out this field. 12001 */ 12002 mArgs = null; 12003 } 12004 } else { 12005 /* 12006 * No package verification is enabled, so immediately start 12007 * the remote call to initiate copy using temporary file. 12008 */ 12009 ret = args.copyApk(mContainerService, true); 12010 } 12011 } 12012 12013 mRet = ret; 12014 } 12015 12016 @Override 12017 void handleReturnCode() { 12018 // If mArgs is null, then MCS couldn't be reached. When it 12019 // reconnects, it will try again to install. At that point, this 12020 // will succeed. 12021 if (mArgs != null) { 12022 processPendingInstall(mArgs, mRet); 12023 } 12024 } 12025 12026 @Override 12027 void handleServiceError() { 12028 mArgs = createInstallArgs(this); 12029 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 12030 } 12031 12032 public boolean isForwardLocked() { 12033 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 12034 } 12035 } 12036 12037 /** 12038 * Used during creation of InstallArgs 12039 * 12040 * @param installFlags package installation flags 12041 * @return true if should be installed on external storage 12042 */ 12043 private static boolean installOnExternalAsec(int installFlags) { 12044 if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) { 12045 return false; 12046 } 12047 if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 12048 return true; 12049 } 12050 return false; 12051 } 12052 12053 /** 12054 * Used during creation of InstallArgs 12055 * 12056 * @param installFlags package installation flags 12057 * @return true if should be installed as forward locked 12058 */ 12059 private static boolean installForwardLocked(int installFlags) { 12060 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 12061 } 12062 12063 private InstallArgs createInstallArgs(InstallParams params) { 12064 if (params.move != null) { 12065 return new MoveInstallArgs(params); 12066 } else if (installOnExternalAsec(params.installFlags) || params.isForwardLocked()) { 12067 return new AsecInstallArgs(params); 12068 } else { 12069 return new FileInstallArgs(params); 12070 } 12071 } 12072 12073 /** 12074 * Create args that describe an existing installed package. Typically used 12075 * when cleaning up old installs, or used as a move source. 12076 */ 12077 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 12078 String resourcePath, String[] instructionSets) { 12079 final boolean isInAsec; 12080 if (installOnExternalAsec(installFlags)) { 12081 /* Apps on SD card are always in ASEC containers. */ 12082 isInAsec = true; 12083 } else if (installForwardLocked(installFlags) 12084 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 12085 /* 12086 * Forward-locked apps are only in ASEC containers if they're the 12087 * new style 12088 */ 12089 isInAsec = true; 12090 } else { 12091 isInAsec = false; 12092 } 12093 12094 if (isInAsec) { 12095 return new AsecInstallArgs(codePath, instructionSets, 12096 installOnExternalAsec(installFlags), installForwardLocked(installFlags)); 12097 } else { 12098 return new FileInstallArgs(codePath, resourcePath, instructionSets); 12099 } 12100 } 12101 12102 static abstract class InstallArgs { 12103 /** @see InstallParams#origin */ 12104 final OriginInfo origin; 12105 /** @see InstallParams#move */ 12106 final MoveInfo move; 12107 12108 final IPackageInstallObserver2 observer; 12109 // Always refers to PackageManager flags only 12110 final int installFlags; 12111 final String installerPackageName; 12112 final String volumeUuid; 12113 final UserHandle user; 12114 final String abiOverride; 12115 final String[] installGrantPermissions; 12116 /** If non-null, drop an async trace when the install completes */ 12117 final String traceMethod; 12118 final int traceCookie; 12119 12120 // The list of instruction sets supported by this app. This is currently 12121 // only used during the rmdex() phase to clean up resources. We can get rid of this 12122 // if we move dex files under the common app path. 12123 /* nullable */ String[] instructionSets; 12124 12125 InstallArgs(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 12126 int installFlags, String installerPackageName, String volumeUuid, 12127 UserHandle user, String[] instructionSets, 12128 String abiOverride, String[] installGrantPermissions, 12129 String traceMethod, int traceCookie) { 12130 this.origin = origin; 12131 this.move = move; 12132 this.installFlags = installFlags; 12133 this.observer = observer; 12134 this.installerPackageName = installerPackageName; 12135 this.volumeUuid = volumeUuid; 12136 this.user = user; 12137 this.instructionSets = instructionSets; 12138 this.abiOverride = abiOverride; 12139 this.installGrantPermissions = installGrantPermissions; 12140 this.traceMethod = traceMethod; 12141 this.traceCookie = traceCookie; 12142 } 12143 12144 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 12145 abstract int doPreInstall(int status); 12146 12147 /** 12148 * Rename package into final resting place. All paths on the given 12149 * scanned package should be updated to reflect the rename. 12150 */ 12151 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 12152 abstract int doPostInstall(int status, int uid); 12153 12154 /** @see PackageSettingBase#codePathString */ 12155 abstract String getCodePath(); 12156 /** @see PackageSettingBase#resourcePathString */ 12157 abstract String getResourcePath(); 12158 12159 // Need installer lock especially for dex file removal. 12160 abstract void cleanUpResourcesLI(); 12161 abstract boolean doPostDeleteLI(boolean delete); 12162 12163 /** 12164 * Called before the source arguments are copied. This is used mostly 12165 * for MoveParams when it needs to read the source file to put it in the 12166 * destination. 12167 */ 12168 int doPreCopy() { 12169 return PackageManager.INSTALL_SUCCEEDED; 12170 } 12171 12172 /** 12173 * Called after the source arguments are copied. This is used mostly for 12174 * MoveParams when it needs to read the source file to put it in the 12175 * destination. 12176 * 12177 * @return 12178 */ 12179 int doPostCopy(int uid) { 12180 return PackageManager.INSTALL_SUCCEEDED; 12181 } 12182 12183 protected boolean isFwdLocked() { 12184 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 12185 } 12186 12187 protected boolean isExternalAsec() { 12188 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 12189 } 12190 12191 protected boolean isEphemeral() { 12192 return (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 12193 } 12194 12195 UserHandle getUser() { 12196 return user; 12197 } 12198 } 12199 12200 private void removeDexFiles(List<String> allCodePaths, String[] instructionSets) { 12201 if (!allCodePaths.isEmpty()) { 12202 if (instructionSets == null) { 12203 throw new IllegalStateException("instructionSet == null"); 12204 } 12205 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 12206 for (String codePath : allCodePaths) { 12207 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 12208 try { 12209 mInstaller.rmdex(codePath, dexCodeInstructionSet); 12210 } catch (InstallerException ignored) { 12211 } 12212 } 12213 } 12214 } 12215 } 12216 12217 /** 12218 * Logic to handle installation of non-ASEC applications, including copying 12219 * and renaming logic. 12220 */ 12221 class FileInstallArgs extends InstallArgs { 12222 private File codeFile; 12223 private File resourceFile; 12224 12225 // Example topology: 12226 // /data/app/com.example/base.apk 12227 // /data/app/com.example/split_foo.apk 12228 // /data/app/com.example/lib/arm/libfoo.so 12229 // /data/app/com.example/lib/arm64/libfoo.so 12230 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 12231 12232 /** New install */ 12233 FileInstallArgs(InstallParams params) { 12234 super(params.origin, params.move, params.observer, params.installFlags, 12235 params.installerPackageName, params.volumeUuid, 12236 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 12237 params.grantedRuntimePermissions, 12238 params.traceMethod, params.traceCookie); 12239 if (isFwdLocked()) { 12240 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 12241 } 12242 } 12243 12244 /** Existing install */ 12245 FileInstallArgs(String codePath, String resourcePath, String[] instructionSets) { 12246 super(OriginInfo.fromNothing(), null, null, 0, null, null, null, instructionSets, 12247 null, null, null, 0); 12248 this.codeFile = (codePath != null) ? new File(codePath) : null; 12249 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 12250 } 12251 12252 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 12253 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyApk"); 12254 try { 12255 return doCopyApk(imcs, temp); 12256 } finally { 12257 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 12258 } 12259 } 12260 12261 private int doCopyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 12262 if (origin.staged) { 12263 if (DEBUG_INSTALL) Slog.d(TAG, origin.file + " already staged; skipping copy"); 12264 codeFile = origin.file; 12265 resourceFile = origin.file; 12266 return PackageManager.INSTALL_SUCCEEDED; 12267 } 12268 12269 try { 12270 final boolean isEphemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 12271 final File tempDir = 12272 mInstallerService.allocateStageDirLegacy(volumeUuid, isEphemeral); 12273 codeFile = tempDir; 12274 resourceFile = tempDir; 12275 } catch (IOException e) { 12276 Slog.w(TAG, "Failed to create copy file: " + e); 12277 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 12278 } 12279 12280 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 12281 @Override 12282 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 12283 if (!FileUtils.isValidExtFilename(name)) { 12284 throw new IllegalArgumentException("Invalid filename: " + name); 12285 } 12286 try { 12287 final File file = new File(codeFile, name); 12288 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 12289 O_RDWR | O_CREAT, 0644); 12290 Os.chmod(file.getAbsolutePath(), 0644); 12291 return new ParcelFileDescriptor(fd); 12292 } catch (ErrnoException e) { 12293 throw new RemoteException("Failed to open: " + e.getMessage()); 12294 } 12295 } 12296 }; 12297 12298 int ret = PackageManager.INSTALL_SUCCEEDED; 12299 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 12300 if (ret != PackageManager.INSTALL_SUCCEEDED) { 12301 Slog.e(TAG, "Failed to copy package"); 12302 return ret; 12303 } 12304 12305 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 12306 NativeLibraryHelper.Handle handle = null; 12307 try { 12308 handle = NativeLibraryHelper.Handle.create(codeFile); 12309 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 12310 abiOverride); 12311 } catch (IOException e) { 12312 Slog.e(TAG, "Copying native libraries failed", e); 12313 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 12314 } finally { 12315 IoUtils.closeQuietly(handle); 12316 } 12317 12318 return ret; 12319 } 12320 12321 int doPreInstall(int status) { 12322 if (status != PackageManager.INSTALL_SUCCEEDED) { 12323 cleanUp(); 12324 } 12325 return status; 12326 } 12327 12328 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 12329 if (status != PackageManager.INSTALL_SUCCEEDED) { 12330 cleanUp(); 12331 return false; 12332 } 12333 12334 final File targetDir = codeFile.getParentFile(); 12335 final File beforeCodeFile = codeFile; 12336 final File afterCodeFile = getNextCodePath(targetDir, pkg.packageName); 12337 12338 if (DEBUG_INSTALL) Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 12339 try { 12340 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 12341 } catch (ErrnoException e) { 12342 Slog.w(TAG, "Failed to rename", e); 12343 return false; 12344 } 12345 12346 if (!SELinux.restoreconRecursive(afterCodeFile)) { 12347 Slog.w(TAG, "Failed to restorecon"); 12348 return false; 12349 } 12350 12351 // Reflect the rename internally 12352 codeFile = afterCodeFile; 12353 resourceFile = afterCodeFile; 12354 12355 // Reflect the rename in scanned details 12356 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 12357 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 12358 afterCodeFile, pkg.baseCodePath)); 12359 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 12360 afterCodeFile, pkg.splitCodePaths)); 12361 12362 // Reflect the rename in app info 12363 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 12364 pkg.setApplicationInfoCodePath(pkg.codePath); 12365 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 12366 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 12367 pkg.setApplicationInfoResourcePath(pkg.codePath); 12368 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 12369 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 12370 12371 return true; 12372 } 12373 12374 int doPostInstall(int status, int uid) { 12375 if (status != PackageManager.INSTALL_SUCCEEDED) { 12376 cleanUp(); 12377 } 12378 return status; 12379 } 12380 12381 @Override 12382 String getCodePath() { 12383 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 12384 } 12385 12386 @Override 12387 String getResourcePath() { 12388 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 12389 } 12390 12391 private boolean cleanUp() { 12392 if (codeFile == null || !codeFile.exists()) { 12393 return false; 12394 } 12395 12396 removeCodePathLI(codeFile); 12397 12398 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 12399 resourceFile.delete(); 12400 } 12401 12402 return true; 12403 } 12404 12405 void cleanUpResourcesLI() { 12406 // Try enumerating all code paths before deleting 12407 List<String> allCodePaths = Collections.EMPTY_LIST; 12408 if (codeFile != null && codeFile.exists()) { 12409 try { 12410 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 12411 allCodePaths = pkg.getAllCodePaths(); 12412 } catch (PackageParserException e) { 12413 // Ignored; we tried our best 12414 } 12415 } 12416 12417 cleanUp(); 12418 removeDexFiles(allCodePaths, instructionSets); 12419 } 12420 12421 boolean doPostDeleteLI(boolean delete) { 12422 // XXX err, shouldn't we respect the delete flag? 12423 cleanUpResourcesLI(); 12424 return true; 12425 } 12426 } 12427 12428 private boolean isAsecExternal(String cid) { 12429 final String asecPath = PackageHelper.getSdFilesystem(cid); 12430 return !asecPath.startsWith(mAsecInternalPath); 12431 } 12432 12433 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 12434 PackageManagerException { 12435 if (copyRet < 0) { 12436 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 12437 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 12438 throw new PackageManagerException(copyRet, message); 12439 } 12440 } 12441 } 12442 12443 /** 12444 * Extract the MountService "container ID" from the full code path of an 12445 * .apk. 12446 */ 12447 static String cidFromCodePath(String fullCodePath) { 12448 int eidx = fullCodePath.lastIndexOf("/"); 12449 String subStr1 = fullCodePath.substring(0, eidx); 12450 int sidx = subStr1.lastIndexOf("/"); 12451 return subStr1.substring(sidx+1, eidx); 12452 } 12453 12454 /** 12455 * Logic to handle installation of ASEC applications, including copying and 12456 * renaming logic. 12457 */ 12458 class AsecInstallArgs extends InstallArgs { 12459 static final String RES_FILE_NAME = "pkg.apk"; 12460 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 12461 12462 String cid; 12463 String packagePath; 12464 String resourcePath; 12465 12466 /** New install */ 12467 AsecInstallArgs(InstallParams params) { 12468 super(params.origin, params.move, params.observer, params.installFlags, 12469 params.installerPackageName, params.volumeUuid, 12470 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 12471 params.grantedRuntimePermissions, 12472 params.traceMethod, params.traceCookie); 12473 } 12474 12475 /** Existing install */ 12476 AsecInstallArgs(String fullCodePath, String[] instructionSets, 12477 boolean isExternal, boolean isForwardLocked) { 12478 super(OriginInfo.fromNothing(), null, null, (isExternal ? INSTALL_EXTERNAL : 0) 12479 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 12480 instructionSets, null, null, null, 0); 12481 // Hackily pretend we're still looking at a full code path 12482 if (!fullCodePath.endsWith(RES_FILE_NAME)) { 12483 fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath(); 12484 } 12485 12486 // Extract cid from fullCodePath 12487 int eidx = fullCodePath.lastIndexOf("/"); 12488 String subStr1 = fullCodePath.substring(0, eidx); 12489 int sidx = subStr1.lastIndexOf("/"); 12490 cid = subStr1.substring(sidx+1, eidx); 12491 setMountPath(subStr1); 12492 } 12493 12494 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) { 12495 super(OriginInfo.fromNothing(), null, null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 12496 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 12497 instructionSets, null, null, null, 0); 12498 this.cid = cid; 12499 setMountPath(PackageHelper.getSdDir(cid)); 12500 } 12501 12502 void createCopyFile() { 12503 cid = mInstallerService.allocateExternalStageCidLegacy(); 12504 } 12505 12506 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 12507 if (origin.staged && origin.cid != null) { 12508 if (DEBUG_INSTALL) Slog.d(TAG, origin.cid + " already staged; skipping copy"); 12509 cid = origin.cid; 12510 setMountPath(PackageHelper.getSdDir(cid)); 12511 return PackageManager.INSTALL_SUCCEEDED; 12512 } 12513 12514 if (temp) { 12515 createCopyFile(); 12516 } else { 12517 /* 12518 * Pre-emptively destroy the container since it's destroyed if 12519 * copying fails due to it existing anyway. 12520 */ 12521 PackageHelper.destroySdDir(cid); 12522 } 12523 12524 final String newMountPath = imcs.copyPackageToContainer( 12525 origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternalAsec(), 12526 isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */)); 12527 12528 if (newMountPath != null) { 12529 setMountPath(newMountPath); 12530 return PackageManager.INSTALL_SUCCEEDED; 12531 } else { 12532 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 12533 } 12534 } 12535 12536 @Override 12537 String getCodePath() { 12538 return packagePath; 12539 } 12540 12541 @Override 12542 String getResourcePath() { 12543 return resourcePath; 12544 } 12545 12546 int doPreInstall(int status) { 12547 if (status != PackageManager.INSTALL_SUCCEEDED) { 12548 // Destroy container 12549 PackageHelper.destroySdDir(cid); 12550 } else { 12551 boolean mounted = PackageHelper.isContainerMounted(cid); 12552 if (!mounted) { 12553 String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(), 12554 Process.SYSTEM_UID); 12555 if (newMountPath != null) { 12556 setMountPath(newMountPath); 12557 } else { 12558 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 12559 } 12560 } 12561 } 12562 return status; 12563 } 12564 12565 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 12566 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 12567 String newMountPath = null; 12568 if (PackageHelper.isContainerMounted(cid)) { 12569 // Unmount the container 12570 if (!PackageHelper.unMountSdDir(cid)) { 12571 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 12572 return false; 12573 } 12574 } 12575 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 12576 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 12577 " which might be stale. Will try to clean up."); 12578 // Clean up the stale container and proceed to recreate. 12579 if (!PackageHelper.destroySdDir(newCacheId)) { 12580 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 12581 return false; 12582 } 12583 // Successfully cleaned up stale container. Try to rename again. 12584 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 12585 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 12586 + " inspite of cleaning it up."); 12587 return false; 12588 } 12589 } 12590 if (!PackageHelper.isContainerMounted(newCacheId)) { 12591 Slog.w(TAG, "Mounting container " + newCacheId); 12592 newMountPath = PackageHelper.mountSdDir(newCacheId, 12593 getEncryptKey(), Process.SYSTEM_UID); 12594 } else { 12595 newMountPath = PackageHelper.getSdDir(newCacheId); 12596 } 12597 if (newMountPath == null) { 12598 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 12599 return false; 12600 } 12601 Log.i(TAG, "Succesfully renamed " + cid + 12602 " to " + newCacheId + 12603 " at new path: " + newMountPath); 12604 cid = newCacheId; 12605 12606 final File beforeCodeFile = new File(packagePath); 12607 setMountPath(newMountPath); 12608 final File afterCodeFile = new File(packagePath); 12609 12610 // Reflect the rename in scanned details 12611 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 12612 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 12613 afterCodeFile, pkg.baseCodePath)); 12614 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 12615 afterCodeFile, pkg.splitCodePaths)); 12616 12617 // Reflect the rename in app info 12618 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 12619 pkg.setApplicationInfoCodePath(pkg.codePath); 12620 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 12621 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 12622 pkg.setApplicationInfoResourcePath(pkg.codePath); 12623 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 12624 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 12625 12626 return true; 12627 } 12628 12629 private void setMountPath(String mountPath) { 12630 final File mountFile = new File(mountPath); 12631 12632 final File monolithicFile = new File(mountFile, RES_FILE_NAME); 12633 if (monolithicFile.exists()) { 12634 packagePath = monolithicFile.getAbsolutePath(); 12635 if (isFwdLocked()) { 12636 resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath(); 12637 } else { 12638 resourcePath = packagePath; 12639 } 12640 } else { 12641 packagePath = mountFile.getAbsolutePath(); 12642 resourcePath = packagePath; 12643 } 12644 } 12645 12646 int doPostInstall(int status, int uid) { 12647 if (status != PackageManager.INSTALL_SUCCEEDED) { 12648 cleanUp(); 12649 } else { 12650 final int groupOwner; 12651 final String protectedFile; 12652 if (isFwdLocked()) { 12653 groupOwner = UserHandle.getSharedAppGid(uid); 12654 protectedFile = RES_FILE_NAME; 12655 } else { 12656 groupOwner = -1; 12657 protectedFile = null; 12658 } 12659 12660 if (uid < Process.FIRST_APPLICATION_UID 12661 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 12662 Slog.e(TAG, "Failed to finalize " + cid); 12663 PackageHelper.destroySdDir(cid); 12664 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 12665 } 12666 12667 boolean mounted = PackageHelper.isContainerMounted(cid); 12668 if (!mounted) { 12669 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 12670 } 12671 } 12672 return status; 12673 } 12674 12675 private void cleanUp() { 12676 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 12677 12678 // Destroy secure container 12679 PackageHelper.destroySdDir(cid); 12680 } 12681 12682 private List<String> getAllCodePaths() { 12683 final File codeFile = new File(getCodePath()); 12684 if (codeFile != null && codeFile.exists()) { 12685 try { 12686 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 12687 return pkg.getAllCodePaths(); 12688 } catch (PackageParserException e) { 12689 // Ignored; we tried our best 12690 } 12691 } 12692 return Collections.EMPTY_LIST; 12693 } 12694 12695 void cleanUpResourcesLI() { 12696 // Enumerate all code paths before deleting 12697 cleanUpResourcesLI(getAllCodePaths()); 12698 } 12699 12700 private void cleanUpResourcesLI(List<String> allCodePaths) { 12701 cleanUp(); 12702 removeDexFiles(allCodePaths, instructionSets); 12703 } 12704 12705 String getPackageName() { 12706 return getAsecPackageName(cid); 12707 } 12708 12709 boolean doPostDeleteLI(boolean delete) { 12710 if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete); 12711 final List<String> allCodePaths = getAllCodePaths(); 12712 boolean mounted = PackageHelper.isContainerMounted(cid); 12713 if (mounted) { 12714 // Unmount first 12715 if (PackageHelper.unMountSdDir(cid)) { 12716 mounted = false; 12717 } 12718 } 12719 if (!mounted && delete) { 12720 cleanUpResourcesLI(allCodePaths); 12721 } 12722 return !mounted; 12723 } 12724 12725 @Override 12726 int doPreCopy() { 12727 if (isFwdLocked()) { 12728 if (!PackageHelper.fixSdPermissions(cid, getPackageUid(DEFAULT_CONTAINER_PACKAGE, 12729 MATCH_SYSTEM_ONLY, UserHandle.USER_SYSTEM), RES_FILE_NAME)) { 12730 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 12731 } 12732 } 12733 12734 return PackageManager.INSTALL_SUCCEEDED; 12735 } 12736 12737 @Override 12738 int doPostCopy(int uid) { 12739 if (isFwdLocked()) { 12740 if (uid < Process.FIRST_APPLICATION_UID 12741 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 12742 RES_FILE_NAME)) { 12743 Slog.e(TAG, "Failed to finalize " + cid); 12744 PackageHelper.destroySdDir(cid); 12745 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 12746 } 12747 } 12748 12749 return PackageManager.INSTALL_SUCCEEDED; 12750 } 12751 } 12752 12753 /** 12754 * Logic to handle movement of existing installed applications. 12755 */ 12756 class MoveInstallArgs extends InstallArgs { 12757 private File codeFile; 12758 private File resourceFile; 12759 12760 /** New install */ 12761 MoveInstallArgs(InstallParams params) { 12762 super(params.origin, params.move, params.observer, params.installFlags, 12763 params.installerPackageName, params.volumeUuid, 12764 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 12765 params.grantedRuntimePermissions, 12766 params.traceMethod, params.traceCookie); 12767 } 12768 12769 int copyApk(IMediaContainerService imcs, boolean temp) { 12770 if (DEBUG_INSTALL) Slog.d(TAG, "Moving " + move.packageName + " from " 12771 + move.fromUuid + " to " + move.toUuid); 12772 synchronized (mInstaller) { 12773 try { 12774 mInstaller.moveCompleteApp(move.fromUuid, move.toUuid, move.packageName, 12775 move.dataAppName, move.appId, move.seinfo, move.targetSdkVersion); 12776 } catch (InstallerException e) { 12777 Slog.w(TAG, "Failed to move app", e); 12778 return PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 12779 } 12780 } 12781 12782 codeFile = new File(Environment.getDataAppDirectory(move.toUuid), move.dataAppName); 12783 resourceFile = codeFile; 12784 if (DEBUG_INSTALL) Slog.d(TAG, "codeFile after move is " + codeFile); 12785 12786 return PackageManager.INSTALL_SUCCEEDED; 12787 } 12788 12789 int doPreInstall(int status) { 12790 if (status != PackageManager.INSTALL_SUCCEEDED) { 12791 cleanUp(move.toUuid); 12792 } 12793 return status; 12794 } 12795 12796 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 12797 if (status != PackageManager.INSTALL_SUCCEEDED) { 12798 cleanUp(move.toUuid); 12799 return false; 12800 } 12801 12802 // Reflect the move in app info 12803 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 12804 pkg.setApplicationInfoCodePath(pkg.codePath); 12805 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 12806 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 12807 pkg.setApplicationInfoResourcePath(pkg.codePath); 12808 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 12809 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 12810 12811 return true; 12812 } 12813 12814 int doPostInstall(int status, int uid) { 12815 if (status == PackageManager.INSTALL_SUCCEEDED) { 12816 cleanUp(move.fromUuid); 12817 } else { 12818 cleanUp(move.toUuid); 12819 } 12820 return status; 12821 } 12822 12823 @Override 12824 String getCodePath() { 12825 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 12826 } 12827 12828 @Override 12829 String getResourcePath() { 12830 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 12831 } 12832 12833 private boolean cleanUp(String volumeUuid) { 12834 final File codeFile = new File(Environment.getDataAppDirectory(volumeUuid), 12835 move.dataAppName); 12836 Slog.d(TAG, "Cleaning up " + move.packageName + " on " + volumeUuid); 12837 synchronized (mInstallLock) { 12838 // Clean up both app data and code 12839 removeDataDirsLI(volumeUuid, move.packageName); 12840 removeCodePathLI(codeFile); 12841 } 12842 return true; 12843 } 12844 12845 void cleanUpResourcesLI() { 12846 throw new UnsupportedOperationException(); 12847 } 12848 12849 boolean doPostDeleteLI(boolean delete) { 12850 throw new UnsupportedOperationException(); 12851 } 12852 } 12853 12854 static String getAsecPackageName(String packageCid) { 12855 int idx = packageCid.lastIndexOf("-"); 12856 if (idx == -1) { 12857 return packageCid; 12858 } 12859 return packageCid.substring(0, idx); 12860 } 12861 12862 // Utility method used to create code paths based on package name and available index. 12863 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 12864 String idxStr = ""; 12865 int idx = 1; 12866 // Fall back to default value of idx=1 if prefix is not 12867 // part of oldCodePath 12868 if (oldCodePath != null) { 12869 String subStr = oldCodePath; 12870 // Drop the suffix right away 12871 if (suffix != null && subStr.endsWith(suffix)) { 12872 subStr = subStr.substring(0, subStr.length() - suffix.length()); 12873 } 12874 // If oldCodePath already contains prefix find out the 12875 // ending index to either increment or decrement. 12876 int sidx = subStr.lastIndexOf(prefix); 12877 if (sidx != -1) { 12878 subStr = subStr.substring(sidx + prefix.length()); 12879 if (subStr != null) { 12880 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 12881 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 12882 } 12883 try { 12884 idx = Integer.parseInt(subStr); 12885 if (idx <= 1) { 12886 idx++; 12887 } else { 12888 idx--; 12889 } 12890 } catch(NumberFormatException e) { 12891 } 12892 } 12893 } 12894 } 12895 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 12896 return prefix + idxStr; 12897 } 12898 12899 private File getNextCodePath(File targetDir, String packageName) { 12900 int suffix = 1; 12901 File result; 12902 do { 12903 result = new File(targetDir, packageName + "-" + suffix); 12904 suffix++; 12905 } while (result.exists()); 12906 return result; 12907 } 12908 12909 // Utility method that returns the relative package path with respect 12910 // to the installation directory. Like say for /data/data/com.test-1.apk 12911 // string com.test-1 is returned. 12912 static String deriveCodePathName(String codePath) { 12913 if (codePath == null) { 12914 return null; 12915 } 12916 final File codeFile = new File(codePath); 12917 final String name = codeFile.getName(); 12918 if (codeFile.isDirectory()) { 12919 return name; 12920 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 12921 final int lastDot = name.lastIndexOf('.'); 12922 return name.substring(0, lastDot); 12923 } else { 12924 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 12925 return null; 12926 } 12927 } 12928 12929 static class PackageInstalledInfo { 12930 String name; 12931 int uid; 12932 // The set of users that originally had this package installed. 12933 int[] origUsers; 12934 // The set of users that now have this package installed. 12935 int[] newUsers; 12936 PackageParser.Package pkg; 12937 int returnCode; 12938 String returnMsg; 12939 PackageRemovedInfo removedInfo; 12940 ArrayMap<String, PackageInstalledInfo> addedChildPackages; 12941 12942 public void setError(int code, String msg) { 12943 setReturnCode(code); 12944 setReturnMessage(msg); 12945 Slog.w(TAG, msg); 12946 } 12947 12948 public void setError(String msg, PackageParserException e) { 12949 setReturnCode(e.error); 12950 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 12951 Slog.w(TAG, msg, e); 12952 } 12953 12954 public void setError(String msg, PackageManagerException e) { 12955 returnCode = e.error; 12956 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 12957 Slog.w(TAG, msg, e); 12958 } 12959 12960 public void setReturnCode(int returnCode) { 12961 this.returnCode = returnCode; 12962 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 12963 for (int i = 0; i < childCount; i++) { 12964 addedChildPackages.valueAt(i).returnCode = returnCode; 12965 } 12966 } 12967 12968 private void setReturnMessage(String returnMsg) { 12969 this.returnMsg = returnMsg; 12970 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 12971 for (int i = 0; i < childCount; i++) { 12972 addedChildPackages.valueAt(i).returnMsg = returnMsg; 12973 } 12974 } 12975 12976 // In some error cases we want to convey more info back to the observer 12977 String origPackage; 12978 String origPermission; 12979 } 12980 12981 /* 12982 * Install a non-existing package. 12983 */ 12984 private void installNewPackageLI(PackageParser.Package pkg, int parseFlags, int scanFlags, 12985 UserHandle user, String installerPackageName, String volumeUuid, 12986 PackageInstalledInfo res) { 12987 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installNewPackage"); 12988 12989 // Remember this for later, in case we need to rollback this install 12990 String pkgName = pkg.packageName; 12991 12992 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 12993 12994 synchronized(mPackages) { 12995 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 12996 // A package with the same name is already installed, though 12997 // it has been renamed to an older name. The package we 12998 // are trying to install should be installed as an update to 12999 // the existing one, but that has not been requested, so bail. 13000 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 13001 + " without first uninstalling package running as " 13002 + mSettings.mRenamedPackages.get(pkgName)); 13003 return; 13004 } 13005 if (mPackages.containsKey(pkgName)) { 13006 // Don't allow installation over an existing package with the same name. 13007 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 13008 + " without first uninstalling."); 13009 return; 13010 } 13011 } 13012 13013 try { 13014 PackageParser.Package newPackage = scanPackageTracedLI(pkg, parseFlags, scanFlags, 13015 System.currentTimeMillis(), user); 13016 13017 updateSettingsLI(newPackage, installerPackageName, null, res, user); 13018 13019 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 13020 prepareAppDataAfterInstall(newPackage); 13021 13022 } else { 13023 // Remove package from internal structures, but keep around any 13024 // data that might have already existed 13025 deletePackageLI(pkgName, UserHandle.ALL, false, null, 13026 PackageManager.DELETE_KEEP_DATA, res.removedInfo, true, null); 13027 } 13028 } catch (PackageManagerException e) { 13029 res.setError("Package couldn't be installed in " + pkg.codePath, e); 13030 } 13031 13032 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13033 } 13034 13035 private boolean shouldCheckUpgradeKeySetLP(PackageSetting oldPs, int scanFlags) { 13036 // Can't rotate keys during boot or if sharedUser. 13037 if (oldPs == null || (scanFlags&SCAN_INITIAL) != 0 || oldPs.sharedUser != null 13038 || !oldPs.keySetData.isUsingUpgradeKeySets()) { 13039 return false; 13040 } 13041 // app is using upgradeKeySets; make sure all are valid 13042 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13043 long[] upgradeKeySets = oldPs.keySetData.getUpgradeKeySets(); 13044 for (int i = 0; i < upgradeKeySets.length; i++) { 13045 if (!ksms.isIdValidKeySetId(upgradeKeySets[i])) { 13046 Slog.wtf(TAG, "Package " 13047 + (oldPs.name != null ? oldPs.name : "<null>") 13048 + " contains upgrade-key-set reference to unknown key-set: " 13049 + upgradeKeySets[i] 13050 + " reverting to signatures check."); 13051 return false; 13052 } 13053 } 13054 return true; 13055 } 13056 13057 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 13058 // Upgrade keysets are being used. Determine if new package has a superset of the 13059 // required keys. 13060 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 13061 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13062 for (int i = 0; i < upgradeKeySets.length; i++) { 13063 Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); 13064 if (upgradeSet != null && newPkg.mSigningKeys.containsAll(upgradeSet)) { 13065 return true; 13066 } 13067 } 13068 return false; 13069 } 13070 13071 private void replacePackageLI(PackageParser.Package pkg, int parseFlags, int scanFlags, 13072 UserHandle user, String installerPackageName, PackageInstalledInfo res) { 13073 final boolean isEphemeral = (parseFlags & PackageParser.PARSE_IS_EPHEMERAL) != 0; 13074 13075 final PackageParser.Package oldPackage; 13076 final String pkgName = pkg.packageName; 13077 final int[] allUsers; 13078 13079 // First find the old package info and check signatures 13080 synchronized(mPackages) { 13081 oldPackage = mPackages.get(pkgName); 13082 final boolean oldIsEphemeral = oldPackage.applicationInfo.isEphemeralApp(); 13083 if (isEphemeral && !oldIsEphemeral) { 13084 // can't downgrade from full to ephemeral 13085 Slog.w(TAG, "Can't replace app with ephemeral: " + pkgName); 13086 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 13087 return; 13088 } 13089 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 13090 final PackageSetting ps = mSettings.mPackages.get(pkgName); 13091 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 13092 if (!checkUpgradeKeySetLP(ps, pkg)) { 13093 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 13094 "New package not signed by keys specified by upgrade-keysets: " 13095 + pkgName); 13096 return; 13097 } 13098 } else { 13099 // default to original signature matching 13100 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 13101 != PackageManager.SIGNATURE_MATCH) { 13102 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 13103 "New package has a different signature: " + pkgName); 13104 return; 13105 } 13106 } 13107 13108 // In case of rollback, remember per-user/profile install state 13109 allUsers = sUserManager.getUserIds(); 13110 } 13111 13112 // Update what is removed 13113 res.removedInfo = new PackageRemovedInfo(); 13114 res.removedInfo.uid = oldPackage.applicationInfo.uid; 13115 res.removedInfo.removedPackage = oldPackage.packageName; 13116 res.removedInfo.isUpdate = true; 13117 final int childCount = (oldPackage.childPackages != null) 13118 ? oldPackage.childPackages.size() : 0; 13119 for (int i = 0; i < childCount; i++) { 13120 boolean childPackageUpdated = false; 13121 PackageParser.Package childPkg = oldPackage.childPackages.get(i); 13122 if (res.addedChildPackages != null) { 13123 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 13124 if (childRes != null) { 13125 childRes.removedInfo.uid = childPkg.applicationInfo.uid; 13126 childRes.removedInfo.removedPackage = childPkg.packageName; 13127 childRes.removedInfo.isUpdate = true; 13128 childPackageUpdated = true; 13129 } 13130 } 13131 if (!childPackageUpdated) { 13132 PackageRemovedInfo childRemovedRes = new PackageRemovedInfo(); 13133 childRemovedRes.removedPackage = childPkg.packageName; 13134 childRemovedRes.isUpdate = false; 13135 childRemovedRes.dataRemoved = true; 13136 synchronized (mPackages) { 13137 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 13138 if (childPs != null) { 13139 childRemovedRes.origUsers = childPs.queryInstalledUsers(allUsers, true); 13140 } 13141 } 13142 if (res.removedInfo.removedChildPackages == null) { 13143 res.removedInfo.removedChildPackages = new ArrayMap<>(); 13144 } 13145 res.removedInfo.removedChildPackages.put(childPkg.packageName, childRemovedRes); 13146 } 13147 } 13148 13149 boolean sysPkg = (isSystemApp(oldPackage)); 13150 if (sysPkg) { 13151 replaceSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags, 13152 user, allUsers, installerPackageName, res); 13153 } else { 13154 replaceNonSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags, 13155 user, allUsers, installerPackageName, res); 13156 } 13157 } 13158 13159 public List<String> getPreviousCodePaths(String packageName) { 13160 final PackageSetting ps = mSettings.mPackages.get(packageName); 13161 final List<String> result = new ArrayList<String>(); 13162 if (ps != null && ps.oldCodePaths != null) { 13163 result.addAll(ps.oldCodePaths); 13164 } 13165 return result; 13166 } 13167 13168 private void replaceNonSystemPackageLI(PackageParser.Package deletedPackage, 13169 PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user, 13170 int[] allUsers, String installerPackageName, PackageInstalledInfo res) { 13171 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 13172 + deletedPackage); 13173 13174 String pkgName = deletedPackage.packageName; 13175 boolean deletedPkg = true; 13176 boolean addedPkg = false; 13177 boolean updatedSettings = false; 13178 final boolean killApp = (scanFlags & SCAN_DONT_KILL_APP) == 0; 13179 final int deleteFlags = PackageManager.DELETE_KEEP_DATA 13180 | (killApp ? 0 : PackageManager.DELETE_DONT_KILL_APP); 13181 13182 final long origUpdateTime = (pkg.mExtras != null) 13183 ? ((PackageSetting)pkg.mExtras).lastUpdateTime : 0; 13184 13185 // First delete the existing package while retaining the data directory 13186 if (!deletePackageLI(pkgName, null, true, allUsers, deleteFlags, 13187 res.removedInfo, true, pkg)) { 13188 // If the existing package wasn't successfully deleted 13189 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 13190 deletedPkg = false; 13191 } else { 13192 // Successfully deleted the old package; proceed with replace. 13193 13194 // If deleted package lived in a container, give users a chance to 13195 // relinquish resources before killing. 13196 if (deletedPackage.isForwardLocked() || isExternal(deletedPackage)) { 13197 if (DEBUG_INSTALL) { 13198 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 13199 } 13200 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 13201 final ArrayList<String> pkgList = new ArrayList<String>(1); 13202 pkgList.add(deletedPackage.applicationInfo.packageName); 13203 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 13204 } 13205 13206 deleteCodeCacheDirsLI(pkg); 13207 13208 try { 13209 final PackageParser.Package newPackage = scanPackageTracedLI(pkg, parseFlags, 13210 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 13211 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user); 13212 13213 // Update the in-memory copy of the previous code paths. 13214 PackageSetting ps = mSettings.mPackages.get(pkgName); 13215 if (!killApp) { 13216 if (ps.oldCodePaths == null) { 13217 ps.oldCodePaths = new ArraySet<>(); 13218 } 13219 Collections.addAll(ps.oldCodePaths, deletedPackage.baseCodePath); 13220 if (deletedPackage.splitCodePaths != null) { 13221 Collections.addAll(ps.oldCodePaths, deletedPackage.splitCodePaths); 13222 } 13223 } else { 13224 ps.oldCodePaths = null; 13225 } 13226 if (ps.childPackageNames != null) { 13227 for (int i = ps.childPackageNames.size() - 1; i >= 0; --i) { 13228 final String childPkgName = ps.childPackageNames.get(i); 13229 final PackageSetting childPs = mSettings.mPackages.get(childPkgName); 13230 childPs.oldCodePaths = ps.oldCodePaths; 13231 } 13232 } 13233 prepareAppDataAfterInstall(newPackage); 13234 addedPkg = true; 13235 } catch (PackageManagerException e) { 13236 res.setError("Package couldn't be installed in " + pkg.codePath, e); 13237 } 13238 } 13239 13240 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 13241 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 13242 13243 // Revert all internal state mutations and added folders for the failed install 13244 if (addedPkg) { 13245 deletePackageLI(pkgName, null, true, allUsers, deleteFlags, 13246 res.removedInfo, true, null); 13247 } 13248 13249 // Restore the old package 13250 if (deletedPkg) { 13251 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 13252 File restoreFile = new File(deletedPackage.codePath); 13253 // Parse old package 13254 boolean oldExternal = isExternal(deletedPackage); 13255 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 13256 (deletedPackage.isForwardLocked() ? PackageParser.PARSE_FORWARD_LOCK : 0) | 13257 (oldExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0); 13258 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 13259 try { 13260 scanPackageTracedLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, 13261 null); 13262 } catch (PackageManagerException e) { 13263 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 13264 + e.getMessage()); 13265 return; 13266 } 13267 13268 synchronized (mPackages) { 13269 // Ensure the installer package name up to date 13270 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 13271 13272 // Update permissions for restored package 13273 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 13274 13275 mSettings.writeLPr(); 13276 } 13277 13278 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 13279 } 13280 } else { 13281 synchronized (mPackages) { 13282 PackageSetting ps = mSettings.peekPackageLPr(pkg.packageName); 13283 if (ps != null) { 13284 res.removedInfo.removedForAllUsers = mPackages.get(ps.name) == null; 13285 if (res.removedInfo.removedChildPackages != null) { 13286 final int childCount = res.removedInfo.removedChildPackages.size(); 13287 // Iterate in reverse as we may modify the collection 13288 for (int i = childCount - 1; i >= 0; i--) { 13289 String childPackageName = res.removedInfo.removedChildPackages.keyAt(i); 13290 if (res.addedChildPackages.containsKey(childPackageName)) { 13291 res.removedInfo.removedChildPackages.removeAt(i); 13292 } else { 13293 PackageRemovedInfo childInfo = res.removedInfo 13294 .removedChildPackages.valueAt(i); 13295 childInfo.removedForAllUsers = mPackages.get( 13296 childInfo.removedPackage) == null; 13297 } 13298 } 13299 } 13300 } 13301 } 13302 } 13303 } 13304 13305 private void replaceSystemPackageLI(PackageParser.Package deletedPackage, 13306 PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user, 13307 int[] allUsers, String installerPackageName, PackageInstalledInfo res) { 13308 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 13309 + ", old=" + deletedPackage); 13310 13311 final boolean disabledSystem; 13312 13313 // Set the system/privileged flags as needed 13314 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 13315 if ((deletedPackage.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) 13316 != 0) { 13317 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 13318 } 13319 13320 // Kill package processes including services, providers, etc. 13321 killPackage(deletedPackage, "replace sys pkg"); 13322 13323 // Remove existing system package 13324 removePackageLI(deletedPackage, true); 13325 13326 disabledSystem = disableSystemPackageLPw(deletedPackage, pkg); 13327 if (!disabledSystem) { 13328 // We didn't need to disable the .apk as a current system package, 13329 // which means we are replacing another update that is already 13330 // installed. We need to make sure to delete the older one's .apk. 13331 res.removedInfo.args = createInstallArgsForExisting(0, 13332 deletedPackage.applicationInfo.getCodePath(), 13333 deletedPackage.applicationInfo.getResourcePath(), 13334 getAppDexInstructionSets(deletedPackage.applicationInfo)); 13335 } else { 13336 res.removedInfo.args = null; 13337 } 13338 13339 // Successfully disabled the old package. Now proceed with re-installation 13340 deleteCodeCacheDirsLI(pkg); 13341 13342 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 13343 pkg.setApplicationInfoFlags(ApplicationInfo.FLAG_UPDATED_SYSTEM_APP, 13344 ApplicationInfo.FLAG_UPDATED_SYSTEM_APP); 13345 13346 PackageParser.Package newPackage = null; 13347 try { 13348 // Add the package to the internal data structures 13349 newPackage = scanPackageTracedLI(pkg, parseFlags, scanFlags, 0, user); 13350 13351 // Set the update and install times 13352 PackageSetting deletedPkgSetting = (PackageSetting) deletedPackage.mExtras; 13353 setInstallAndUpdateTime(newPackage, deletedPkgSetting.firstInstallTime, 13354 System.currentTimeMillis()); 13355 13356 // Check for shared user id changes 13357 String invalidPackageName = getParentOrChildPackageChangedSharedUser( 13358 deletedPackage, newPackage); 13359 if (invalidPackageName != null) { 13360 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 13361 "Forbidding shared user change from " + deletedPkgSetting.sharedUser 13362 + " to " + invalidPackageName); 13363 } 13364 13365 // Update the package dynamic state if succeeded 13366 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 13367 // Now that the install succeeded make sure we remove data 13368 // directories for any child package the update removed. 13369 final int deletedChildCount = (deletedPackage.childPackages != null) 13370 ? deletedPackage.childPackages.size() : 0; 13371 final int newChildCount = (newPackage.childPackages != null) 13372 ? newPackage.childPackages.size() : 0; 13373 for (int i = 0; i < deletedChildCount; i++) { 13374 PackageParser.Package deletedChildPkg = deletedPackage.childPackages.get(i); 13375 boolean childPackageDeleted = true; 13376 for (int j = 0; j < newChildCount; j++) { 13377 PackageParser.Package newChildPkg = newPackage.childPackages.get(j); 13378 if (deletedChildPkg.packageName.equals(newChildPkg.packageName)) { 13379 childPackageDeleted = false; 13380 break; 13381 } 13382 } 13383 if (childPackageDeleted) { 13384 PackageSetting ps = mSettings.getDisabledSystemPkgLPr( 13385 deletedChildPkg.packageName); 13386 if (ps != null && res.removedInfo.removedChildPackages != null) { 13387 PackageRemovedInfo removedChildRes = res.removedInfo 13388 .removedChildPackages.get(deletedChildPkg.packageName); 13389 removePackageDataLI(ps, allUsers, removedChildRes, 0, false); 13390 removedChildRes.removedForAllUsers = mPackages.get(ps.name) == null; 13391 } 13392 } 13393 } 13394 13395 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user); 13396 prepareAppDataAfterInstall(newPackage); 13397 } 13398 } catch (PackageManagerException e) { 13399 res.setReturnCode(INSTALL_FAILED_INTERNAL_ERROR); 13400 res.setError("Package couldn't be installed in " + pkg.codePath, e); 13401 } 13402 13403 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 13404 // Re installation failed. Restore old information 13405 // Remove new pkg information 13406 if (newPackage != null) { 13407 removeInstalledPackageLI(newPackage, true); 13408 } 13409 // Add back the old system package 13410 try { 13411 scanPackageTracedLI(deletedPackage, parseFlags, SCAN_UPDATE_SIGNATURE, 0, user); 13412 } catch (PackageManagerException e) { 13413 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 13414 } 13415 13416 synchronized (mPackages) { 13417 if (disabledSystem) { 13418 enableSystemPackageLPw(deletedPackage); 13419 } 13420 13421 // Ensure the installer package name up to date 13422 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 13423 13424 // Update permissions for restored package 13425 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 13426 13427 mSettings.writeLPr(); 13428 } 13429 13430 Slog.i(TAG, "Successfully restored package : " + deletedPackage.packageName 13431 + " after failed upgrade"); 13432 } 13433 } 13434 13435 /** 13436 * Checks whether the parent or any of the child packages have a change shared 13437 * user. For a package to be a valid update the shred users of the parent and 13438 * the children should match. We may later support changing child shared users. 13439 * @param oldPkg The updated package. 13440 * @param newPkg The update package. 13441 * @return The shared user that change between the versions. 13442 */ 13443 private String getParentOrChildPackageChangedSharedUser(PackageParser.Package oldPkg, 13444 PackageParser.Package newPkg) { 13445 // Check parent shared user 13446 if (!Objects.equals(oldPkg.mSharedUserId, newPkg.mSharedUserId)) { 13447 return newPkg.packageName; 13448 } 13449 // Check child shared users 13450 final int oldChildCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 13451 final int newChildCount = (newPkg.childPackages != null) ? newPkg.childPackages.size() : 0; 13452 for (int i = 0; i < newChildCount; i++) { 13453 PackageParser.Package newChildPkg = newPkg.childPackages.get(i); 13454 // If this child was present, did it have the same shared user? 13455 for (int j = 0; j < oldChildCount; j++) { 13456 PackageParser.Package oldChildPkg = oldPkg.childPackages.get(j); 13457 if (newChildPkg.packageName.equals(oldChildPkg.packageName) 13458 && !Objects.equals(newChildPkg.mSharedUserId, oldChildPkg.mSharedUserId)) { 13459 return newChildPkg.packageName; 13460 } 13461 } 13462 } 13463 return null; 13464 } 13465 13466 private void removeNativeBinariesLI(PackageSetting ps) { 13467 // Remove the lib path for the parent package 13468 if (ps != null) { 13469 NativeLibraryHelper.removeNativeBinariesLI(ps.legacyNativeLibraryPathString); 13470 // Remove the lib path for the child packages 13471 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 13472 for (int i = 0; i < childCount; i++) { 13473 PackageSetting childPs = null; 13474 synchronized (mPackages) { 13475 childPs = mSettings.peekPackageLPr(ps.childPackageNames.get(i)); 13476 } 13477 if (childPs != null) { 13478 NativeLibraryHelper.removeNativeBinariesLI(childPs 13479 .legacyNativeLibraryPathString); 13480 } 13481 } 13482 } 13483 } 13484 13485 private void enableSystemPackageLPw(PackageParser.Package pkg) { 13486 // Enable the parent package 13487 mSettings.enableSystemPackageLPw(pkg.packageName); 13488 // Enable the child packages 13489 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 13490 for (int i = 0; i < childCount; i++) { 13491 PackageParser.Package childPkg = pkg.childPackages.get(i); 13492 mSettings.enableSystemPackageLPw(childPkg.packageName); 13493 } 13494 } 13495 13496 private boolean disableSystemPackageLPw(PackageParser.Package oldPkg, 13497 PackageParser.Package newPkg) { 13498 // Disable the parent package (parent always replaced) 13499 boolean disabled = mSettings.disableSystemPackageLPw(oldPkg.packageName, true); 13500 // Disable the child packages 13501 final int childCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 13502 for (int i = 0; i < childCount; i++) { 13503 PackageParser.Package childPkg = oldPkg.childPackages.get(i); 13504 final boolean replace = newPkg.hasChildPackage(childPkg.packageName); 13505 disabled |= mSettings.disableSystemPackageLPw(childPkg.packageName, replace); 13506 } 13507 return disabled; 13508 } 13509 13510 private void setInstallerPackageNameLPw(PackageParser.Package pkg, 13511 String installerPackageName) { 13512 // Enable the parent package 13513 mSettings.setInstallerPackageName(pkg.packageName, installerPackageName); 13514 // Enable the child packages 13515 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 13516 for (int i = 0; i < childCount; i++) { 13517 PackageParser.Package childPkg = pkg.childPackages.get(i); 13518 mSettings.setInstallerPackageName(childPkg.packageName, installerPackageName); 13519 } 13520 } 13521 13522 private int[] revokeUnusedSharedUserPermissionsLPw(SharedUserSetting su, int[] allUserIds) { 13523 // Collect all used permissions in the UID 13524 ArraySet<String> usedPermissions = new ArraySet<>(); 13525 final int packageCount = su.packages.size(); 13526 for (int i = 0; i < packageCount; i++) { 13527 PackageSetting ps = su.packages.valueAt(i); 13528 if (ps.pkg == null) { 13529 continue; 13530 } 13531 final int requestedPermCount = ps.pkg.requestedPermissions.size(); 13532 for (int j = 0; j < requestedPermCount; j++) { 13533 String permission = ps.pkg.requestedPermissions.get(j); 13534 BasePermission bp = mSettings.mPermissions.get(permission); 13535 if (bp != null) { 13536 usedPermissions.add(permission); 13537 } 13538 } 13539 } 13540 13541 PermissionsState permissionsState = su.getPermissionsState(); 13542 // Prune install permissions 13543 List<PermissionState> installPermStates = permissionsState.getInstallPermissionStates(); 13544 final int installPermCount = installPermStates.size(); 13545 for (int i = installPermCount - 1; i >= 0; i--) { 13546 PermissionState permissionState = installPermStates.get(i); 13547 if (!usedPermissions.contains(permissionState.getName())) { 13548 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 13549 if (bp != null) { 13550 permissionsState.revokeInstallPermission(bp); 13551 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 13552 PackageManager.MASK_PERMISSION_FLAGS, 0); 13553 } 13554 } 13555 } 13556 13557 int[] runtimePermissionChangedUserIds = EmptyArray.INT; 13558 13559 // Prune runtime permissions 13560 for (int userId : allUserIds) { 13561 List<PermissionState> runtimePermStates = permissionsState 13562 .getRuntimePermissionStates(userId); 13563 final int runtimePermCount = runtimePermStates.size(); 13564 for (int i = runtimePermCount - 1; i >= 0; i--) { 13565 PermissionState permissionState = runtimePermStates.get(i); 13566 if (!usedPermissions.contains(permissionState.getName())) { 13567 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 13568 if (bp != null) { 13569 permissionsState.revokeRuntimePermission(bp, userId); 13570 permissionsState.updatePermissionFlags(bp, userId, 13571 PackageManager.MASK_PERMISSION_FLAGS, 0); 13572 runtimePermissionChangedUserIds = ArrayUtils.appendInt( 13573 runtimePermissionChangedUserIds, userId); 13574 } 13575 } 13576 } 13577 } 13578 13579 return runtimePermissionChangedUserIds; 13580 } 13581 13582 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 13583 int[] allUsers, PackageInstalledInfo res, UserHandle user) { 13584 // Update the parent package setting 13585 updateSettingsInternalLI(newPackage, installerPackageName, allUsers, res.origUsers, 13586 res, user); 13587 // Update the child packages setting 13588 final int childCount = (newPackage.childPackages != null) 13589 ? newPackage.childPackages.size() : 0; 13590 for (int i = 0; i < childCount; i++) { 13591 PackageParser.Package childPackage = newPackage.childPackages.get(i); 13592 PackageInstalledInfo childRes = res.addedChildPackages.get(childPackage.packageName); 13593 updateSettingsInternalLI(childPackage, installerPackageName, allUsers, 13594 childRes.origUsers, childRes, user); 13595 } 13596 } 13597 13598 private void updateSettingsInternalLI(PackageParser.Package newPackage, 13599 String installerPackageName, int[] allUsers, int[] installedForUsers, 13600 PackageInstalledInfo res, UserHandle user) { 13601 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 13602 13603 String pkgName = newPackage.packageName; 13604 synchronized (mPackages) { 13605 //write settings. the installStatus will be incomplete at this stage. 13606 //note that the new package setting would have already been 13607 //added to mPackages. It hasn't been persisted yet. 13608 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 13609 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 13610 mSettings.writeLPr(); 13611 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13612 } 13613 13614 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 13615 synchronized (mPackages) { 13616 updatePermissionsLPw(newPackage.packageName, newPackage, 13617 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 13618 ? UPDATE_PERMISSIONS_ALL : 0)); 13619 // For system-bundled packages, we assume that installing an upgraded version 13620 // of the package implies that the user actually wants to run that new code, 13621 // so we enable the package. 13622 PackageSetting ps = mSettings.mPackages.get(pkgName); 13623 final int userId = user.getIdentifier(); 13624 if (ps != null) { 13625 if (isSystemApp(newPackage)) { 13626 if (DEBUG_INSTALL) { 13627 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 13628 } 13629 // Enable system package for requested users 13630 if (res.origUsers != null) { 13631 for (int origUserId : res.origUsers) { 13632 if (userId == UserHandle.USER_ALL || userId == origUserId) { 13633 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 13634 origUserId, installerPackageName); 13635 } 13636 } 13637 } 13638 // Also convey the prior install/uninstall state 13639 if (allUsers != null && installedForUsers != null) { 13640 for (int currentUserId : allUsers) { 13641 final boolean installed = ArrayUtils.contains( 13642 installedForUsers, currentUserId); 13643 if (DEBUG_INSTALL) { 13644 Slog.d(TAG, " user " + currentUserId + " => " + installed); 13645 } 13646 ps.setInstalled(installed, currentUserId); 13647 } 13648 // these install state changes will be persisted in the 13649 // upcoming call to mSettings.writeLPr(). 13650 } 13651 } 13652 // It's implied that when a user requests installation, they want the app to be 13653 // installed and enabled. 13654 if (userId != UserHandle.USER_ALL) { 13655 ps.setInstalled(true, userId); 13656 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, userId, installerPackageName); 13657 } 13658 } 13659 res.name = pkgName; 13660 res.uid = newPackage.applicationInfo.uid; 13661 res.pkg = newPackage; 13662 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 13663 mSettings.setInstallerPackageName(pkgName, installerPackageName); 13664 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 13665 //to update install status 13666 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 13667 mSettings.writeLPr(); 13668 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13669 } 13670 13671 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13672 } 13673 13674 private void installPackageTracedLI(InstallArgs args, PackageInstalledInfo res) { 13675 try { 13676 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installPackage"); 13677 installPackageLI(args, res); 13678 } finally { 13679 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13680 } 13681 } 13682 13683 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 13684 final int installFlags = args.installFlags; 13685 final String installerPackageName = args.installerPackageName; 13686 final String volumeUuid = args.volumeUuid; 13687 final File tmpPackageFile = new File(args.getCodePath()); 13688 final boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 13689 final boolean onExternal = (((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) 13690 || (args.volumeUuid != null)); 13691 final boolean ephemeral = ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0); 13692 boolean replace = false; 13693 int scanFlags = SCAN_NEW_INSTALL | SCAN_UPDATE_SIGNATURE; 13694 if (args.move != null) { 13695 // moving a complete application; perform an initial scan on the new install location 13696 scanFlags |= SCAN_INITIAL; 13697 } 13698 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 13699 scanFlags |= SCAN_DONT_KILL_APP; 13700 } 13701 13702 // Result object to be returned 13703 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 13704 13705 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 13706 13707 // Sanity check 13708 if (ephemeral && (forwardLocked || onExternal)) { 13709 Slog.i(TAG, "Incompatible ephemeral install; fwdLocked=" + forwardLocked 13710 + " external=" + onExternal); 13711 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 13712 return; 13713 } 13714 13715 // Retrieve PackageSettings and parse package 13716 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 13717 | PackageParser.PARSE_ENFORCE_CODE 13718 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 13719 | (onExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0) 13720 | (ephemeral ? PackageParser.PARSE_IS_EPHEMERAL : 0); 13721 PackageParser pp = new PackageParser(); 13722 pp.setSeparateProcesses(mSeparateProcesses); 13723 pp.setDisplayMetrics(mMetrics); 13724 13725 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 13726 final PackageParser.Package pkg; 13727 try { 13728 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 13729 } catch (PackageParserException e) { 13730 res.setError("Failed parse during installPackageLI", e); 13731 return; 13732 } finally { 13733 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13734 } 13735 13736 // If we are installing a clustered package add results for the children 13737 if (pkg.childPackages != null) { 13738 synchronized (mPackages) { 13739 final int childCount = pkg.childPackages.size(); 13740 for (int i = 0; i < childCount; i++) { 13741 PackageParser.Package childPkg = pkg.childPackages.get(i); 13742 PackageInstalledInfo childRes = new PackageInstalledInfo(); 13743 childRes.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 13744 childRes.pkg = childPkg; 13745 childRes.name = childPkg.packageName; 13746 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 13747 if (childPs != null) { 13748 childRes.origUsers = childPs.queryInstalledUsers( 13749 sUserManager.getUserIds(), true); 13750 } 13751 if ((mPackages.containsKey(childPkg.packageName))) { 13752 childRes.removedInfo = new PackageRemovedInfo(); 13753 childRes.removedInfo.removedPackage = childPkg.packageName; 13754 } 13755 if (res.addedChildPackages == null) { 13756 res.addedChildPackages = new ArrayMap<>(); 13757 } 13758 res.addedChildPackages.put(childPkg.packageName, childRes); 13759 } 13760 } 13761 } 13762 13763 // If package doesn't declare API override, mark that we have an install 13764 // time CPU ABI override. 13765 if (TextUtils.isEmpty(pkg.cpuAbiOverride)) { 13766 pkg.cpuAbiOverride = args.abiOverride; 13767 } 13768 13769 String pkgName = res.name = pkg.packageName; 13770 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 13771 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 13772 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 13773 return; 13774 } 13775 } 13776 13777 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "collectCertificates"); 13778 try { 13779 PackageParser.collectCertificates(pkg, parseFlags); 13780 } catch (PackageParserException e) { 13781 res.setError("Failed collect during installPackageLI", e); 13782 return; 13783 } finally { 13784 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13785 } 13786 13787 // Get rid of all references to package scan path via parser. 13788 pp = null; 13789 String oldCodePath = null; 13790 boolean systemApp = false; 13791 synchronized (mPackages) { 13792 // Check if installing already existing package 13793 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 13794 String oldName = mSettings.mRenamedPackages.get(pkgName); 13795 if (pkg.mOriginalPackages != null 13796 && pkg.mOriginalPackages.contains(oldName) 13797 && mPackages.containsKey(oldName)) { 13798 // This package is derived from an original package, 13799 // and this device has been updating from that original 13800 // name. We must continue using the original name, so 13801 // rename the new package here. 13802 pkg.setPackageName(oldName); 13803 pkgName = pkg.packageName; 13804 replace = true; 13805 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 13806 + oldName + " pkgName=" + pkgName); 13807 } else if (mPackages.containsKey(pkgName)) { 13808 // This package, under its official name, already exists 13809 // on the device; we should replace it. 13810 replace = true; 13811 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 13812 } 13813 13814 // Child packages are installed through the parent package 13815 if (pkg.parentPackage != null) { 13816 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 13817 "Package " + pkg.packageName + " is child of package " 13818 + pkg.parentPackage.parentPackage + ". Child packages " 13819 + "can be updated only through the parent package."); 13820 return; 13821 } 13822 13823 if (replace) { 13824 // Prevent apps opting out from runtime permissions 13825 PackageParser.Package oldPackage = mPackages.get(pkgName); 13826 final int oldTargetSdk = oldPackage.applicationInfo.targetSdkVersion; 13827 final int newTargetSdk = pkg.applicationInfo.targetSdkVersion; 13828 if (oldTargetSdk > Build.VERSION_CODES.LOLLIPOP_MR1 13829 && newTargetSdk <= Build.VERSION_CODES.LOLLIPOP_MR1) { 13830 res.setError(PackageManager.INSTALL_FAILED_PERMISSION_MODEL_DOWNGRADE, 13831 "Package " + pkg.packageName + " new target SDK " + newTargetSdk 13832 + " doesn't support runtime permissions but the old" 13833 + " target SDK " + oldTargetSdk + " does."); 13834 return; 13835 } 13836 13837 // Prevent installing of child packages 13838 if (oldPackage.parentPackage != null) { 13839 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 13840 "Package " + pkg.packageName + " is child of package " 13841 + oldPackage.parentPackage + ". Child packages " 13842 + "can be updated only through the parent package."); 13843 return; 13844 } 13845 } 13846 } 13847 13848 PackageSetting ps = mSettings.mPackages.get(pkgName); 13849 if (ps != null) { 13850 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 13851 13852 // Quick sanity check that we're signed correctly if updating; 13853 // we'll check this again later when scanning, but we want to 13854 // bail early here before tripping over redefined permissions. 13855 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 13856 if (!checkUpgradeKeySetLP(ps, pkg)) { 13857 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 13858 + pkg.packageName + " upgrade keys do not match the " 13859 + "previously installed version"); 13860 return; 13861 } 13862 } else { 13863 try { 13864 verifySignaturesLP(ps, pkg); 13865 } catch (PackageManagerException e) { 13866 res.setError(e.error, e.getMessage()); 13867 return; 13868 } 13869 } 13870 13871 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 13872 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 13873 systemApp = (ps.pkg.applicationInfo.flags & 13874 ApplicationInfo.FLAG_SYSTEM) != 0; 13875 } 13876 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 13877 } 13878 13879 // Check whether the newly-scanned package wants to define an already-defined perm 13880 int N = pkg.permissions.size(); 13881 for (int i = N-1; i >= 0; i--) { 13882 PackageParser.Permission perm = pkg.permissions.get(i); 13883 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 13884 if (bp != null) { 13885 // If the defining package is signed with our cert, it's okay. This 13886 // also includes the "updating the same package" case, of course. 13887 // "updating same package" could also involve key-rotation. 13888 final boolean sigsOk; 13889 if (bp.sourcePackage.equals(pkg.packageName) 13890 && (bp.packageSetting instanceof PackageSetting) 13891 && (shouldCheckUpgradeKeySetLP((PackageSetting) bp.packageSetting, 13892 scanFlags))) { 13893 sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg); 13894 } else { 13895 sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures, 13896 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 13897 } 13898 if (!sigsOk) { 13899 // If the owning package is the system itself, we log but allow 13900 // install to proceed; we fail the install on all other permission 13901 // redefinitions. 13902 if (!bp.sourcePackage.equals("android")) { 13903 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 13904 + pkg.packageName + " attempting to redeclare permission " 13905 + perm.info.name + " already owned by " + bp.sourcePackage); 13906 res.origPermission = perm.info.name; 13907 res.origPackage = bp.sourcePackage; 13908 return; 13909 } else { 13910 Slog.w(TAG, "Package " + pkg.packageName 13911 + " attempting to redeclare system permission " 13912 + perm.info.name + "; ignoring new declaration"); 13913 pkg.permissions.remove(i); 13914 } 13915 } 13916 } 13917 } 13918 } 13919 13920 if (systemApp) { 13921 if (onExternal) { 13922 // Abort update; system app can't be replaced with app on sdcard 13923 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 13924 "Cannot install updates to system apps on sdcard"); 13925 return; 13926 } else if (ephemeral) { 13927 // Abort update; system app can't be replaced with an ephemeral app 13928 res.setError(INSTALL_FAILED_EPHEMERAL_INVALID, 13929 "Cannot update a system app with an ephemeral app"); 13930 return; 13931 } 13932 } 13933 13934 if (args.move != null) { 13935 // We did an in-place move, so dex is ready to roll 13936 scanFlags |= SCAN_NO_DEX; 13937 scanFlags |= SCAN_MOVE; 13938 13939 synchronized (mPackages) { 13940 final PackageSetting ps = mSettings.mPackages.get(pkgName); 13941 if (ps == null) { 13942 res.setError(INSTALL_FAILED_INTERNAL_ERROR, 13943 "Missing settings for moved package " + pkgName); 13944 } 13945 13946 // We moved the entire application as-is, so bring over the 13947 // previously derived ABI information. 13948 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 13949 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 13950 } 13951 13952 } else if (!forwardLocked && !pkg.applicationInfo.isExternalAsec()) { 13953 // Enable SCAN_NO_DEX flag to skip dexopt at a later stage 13954 scanFlags |= SCAN_NO_DEX; 13955 13956 try { 13957 String abiOverride = (TextUtils.isEmpty(pkg.cpuAbiOverride) ? 13958 args.abiOverride : pkg.cpuAbiOverride); 13959 derivePackageAbi(pkg, new File(pkg.codePath), abiOverride, 13960 true /* extract libs */); 13961 } catch (PackageManagerException pme) { 13962 Slog.e(TAG, "Error deriving application ABI", pme); 13963 res.setError(INSTALL_FAILED_INTERNAL_ERROR, "Error deriving application ABI"); 13964 return; 13965 } 13966 13967 13968 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 13969 // Do not run PackageDexOptimizer through the local performDexOpt 13970 // method because `pkg` is not in `mPackages` yet. 13971 int result = mPackageDexOptimizer.performDexOpt(pkg, null /* instructionSets */, 13972 false /* useProfiles */, true /* extractOnly */); 13973 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13974 if (result == PackageDexOptimizer.DEX_OPT_FAILED) { 13975 String msg = "Extracking package failed for " + pkgName; 13976 res.setError(INSTALL_FAILED_DEXOPT, msg); 13977 return; 13978 } 13979 } 13980 13981 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 13982 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 13983 return; 13984 } 13985 13986 startIntentFilterVerifications(args.user.getIdentifier(), replace, pkg); 13987 13988 if (replace) { 13989 replacePackageLI(pkg, parseFlags, scanFlags | SCAN_REPLACING, args.user, 13990 installerPackageName, res); 13991 } else { 13992 installNewPackageLI(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 13993 args.user, installerPackageName, volumeUuid, res); 13994 } 13995 synchronized (mPackages) { 13996 final PackageSetting ps = mSettings.mPackages.get(pkgName); 13997 if (ps != null) { 13998 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 13999 } 14000 14001 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14002 for (int i = 0; i < childCount; i++) { 14003 PackageParser.Package childPkg = pkg.childPackages.get(i); 14004 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 14005 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 14006 if (childPs != null) { 14007 childRes.newUsers = childPs.queryInstalledUsers( 14008 sUserManager.getUserIds(), true); 14009 } 14010 } 14011 } 14012 } 14013 14014 private void startIntentFilterVerifications(int userId, boolean replacing, 14015 PackageParser.Package pkg) { 14016 if (mIntentFilterVerifierComponent == null) { 14017 Slog.w(TAG, "No IntentFilter verification will not be done as " 14018 + "there is no IntentFilterVerifier available!"); 14019 return; 14020 } 14021 14022 final int verifierUid = getPackageUid( 14023 mIntentFilterVerifierComponent.getPackageName(), 14024 MATCH_DEBUG_TRIAGED_MISSING, 14025 (userId == UserHandle.USER_ALL) ? UserHandle.USER_SYSTEM : userId); 14026 14027 Message msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 14028 msg.obj = new IFVerificationParams(pkg, replacing, userId, verifierUid); 14029 mHandler.sendMessage(msg); 14030 14031 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14032 for (int i = 0; i < childCount; i++) { 14033 PackageParser.Package childPkg = pkg.childPackages.get(i); 14034 msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 14035 msg.obj = new IFVerificationParams(childPkg, replacing, userId, verifierUid); 14036 mHandler.sendMessage(msg); 14037 } 14038 } 14039 14040 private void verifyIntentFiltersIfNeeded(int userId, int verifierUid, boolean replacing, 14041 PackageParser.Package pkg) { 14042 int size = pkg.activities.size(); 14043 if (size == 0) { 14044 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 14045 "No activity, so no need to verify any IntentFilter!"); 14046 return; 14047 } 14048 14049 final boolean hasDomainURLs = hasDomainURLs(pkg); 14050 if (!hasDomainURLs) { 14051 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 14052 "No domain URLs, so no need to verify any IntentFilter!"); 14053 return; 14054 } 14055 14056 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Checking for userId:" + userId 14057 + " if any IntentFilter from the " + size 14058 + " Activities needs verification ..."); 14059 14060 int count = 0; 14061 final String packageName = pkg.packageName; 14062 14063 synchronized (mPackages) { 14064 // If this is a new install and we see that we've already run verification for this 14065 // package, we have nothing to do: it means the state was restored from backup. 14066 if (!replacing) { 14067 IntentFilterVerificationInfo ivi = 14068 mSettings.getIntentFilterVerificationLPr(packageName); 14069 if (ivi != null) { 14070 if (DEBUG_DOMAIN_VERIFICATION) { 14071 Slog.i(TAG, "Package " + packageName+ " already verified: status=" 14072 + ivi.getStatusString()); 14073 } 14074 return; 14075 } 14076 } 14077 14078 // If any filters need to be verified, then all need to be. 14079 boolean needToVerify = false; 14080 for (PackageParser.Activity a : pkg.activities) { 14081 for (ActivityIntentInfo filter : a.intents) { 14082 if (filter.needsVerification() && needsNetworkVerificationLPr(filter)) { 14083 if (DEBUG_DOMAIN_VERIFICATION) { 14084 Slog.d(TAG, "Intent filter needs verification, so processing all filters"); 14085 } 14086 needToVerify = true; 14087 break; 14088 } 14089 } 14090 } 14091 14092 if (needToVerify) { 14093 final int verificationId = mIntentFilterVerificationToken++; 14094 for (PackageParser.Activity a : pkg.activities) { 14095 for (ActivityIntentInfo filter : a.intents) { 14096 if (filter.handlesWebUris(true) && needsNetworkVerificationLPr(filter)) { 14097 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 14098 "Verification needed for IntentFilter:" + filter.toString()); 14099 mIntentFilterVerifier.addOneIntentFilterVerification( 14100 verifierUid, userId, verificationId, filter, packageName); 14101 count++; 14102 } 14103 } 14104 } 14105 } 14106 } 14107 14108 if (count > 0) { 14109 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Starting " + count 14110 + " IntentFilter verification" + (count > 1 ? "s" : "") 14111 + " for userId:" + userId); 14112 mIntentFilterVerifier.startVerifications(userId); 14113 } else { 14114 if (DEBUG_DOMAIN_VERIFICATION) { 14115 Slog.d(TAG, "No filters or not all autoVerify for " + packageName); 14116 } 14117 } 14118 } 14119 14120 private boolean needsNetworkVerificationLPr(ActivityIntentInfo filter) { 14121 final ComponentName cn = filter.activity.getComponentName(); 14122 final String packageName = cn.getPackageName(); 14123 14124 IntentFilterVerificationInfo ivi = mSettings.getIntentFilterVerificationLPr( 14125 packageName); 14126 if (ivi == null) { 14127 return true; 14128 } 14129 int status = ivi.getStatus(); 14130 switch (status) { 14131 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 14132 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 14133 return true; 14134 14135 default: 14136 // Nothing to do 14137 return false; 14138 } 14139 } 14140 14141 private static boolean isMultiArch(ApplicationInfo info) { 14142 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 14143 } 14144 14145 private static boolean isExternal(PackageParser.Package pkg) { 14146 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 14147 } 14148 14149 private static boolean isExternal(PackageSetting ps) { 14150 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 14151 } 14152 14153 private static boolean isEphemeral(PackageParser.Package pkg) { 14154 return pkg.applicationInfo.isEphemeralApp(); 14155 } 14156 14157 private static boolean isEphemeral(PackageSetting ps) { 14158 return ps.pkg != null && isEphemeral(ps.pkg); 14159 } 14160 14161 private static boolean isSystemApp(PackageParser.Package pkg) { 14162 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 14163 } 14164 14165 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 14166 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 14167 } 14168 14169 private static boolean hasDomainURLs(PackageParser.Package pkg) { 14170 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_HAS_DOMAIN_URLS) != 0; 14171 } 14172 14173 private static boolean isSystemApp(PackageSetting ps) { 14174 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 14175 } 14176 14177 private static boolean isUpdatedSystemApp(PackageSetting ps) { 14178 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 14179 } 14180 14181 private int packageFlagsToInstallFlags(PackageSetting ps) { 14182 int installFlags = 0; 14183 if (isEphemeral(ps)) { 14184 installFlags |= PackageManager.INSTALL_EPHEMERAL; 14185 } 14186 if (isExternal(ps) && TextUtils.isEmpty(ps.volumeUuid)) { 14187 // This existing package was an external ASEC install when we have 14188 // the external flag without a UUID 14189 installFlags |= PackageManager.INSTALL_EXTERNAL; 14190 } 14191 if (ps.isForwardLocked()) { 14192 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 14193 } 14194 return installFlags; 14195 } 14196 14197 private String getVolumeUuidForPackage(PackageParser.Package pkg) { 14198 if (isExternal(pkg)) { 14199 if (TextUtils.isEmpty(pkg.volumeUuid)) { 14200 return StorageManager.UUID_PRIMARY_PHYSICAL; 14201 } else { 14202 return pkg.volumeUuid; 14203 } 14204 } else { 14205 return StorageManager.UUID_PRIVATE_INTERNAL; 14206 } 14207 } 14208 14209 private VersionInfo getSettingsVersionForPackage(PackageParser.Package pkg) { 14210 if (isExternal(pkg)) { 14211 if (TextUtils.isEmpty(pkg.volumeUuid)) { 14212 return mSettings.getExternalVersion(); 14213 } else { 14214 return mSettings.findOrCreateVersion(pkg.volumeUuid); 14215 } 14216 } else { 14217 return mSettings.getInternalVersion(); 14218 } 14219 } 14220 14221 private void deleteTempPackageFiles() { 14222 final FilenameFilter filter = new FilenameFilter() { 14223 public boolean accept(File dir, String name) { 14224 return name.startsWith("vmdl") && name.endsWith(".tmp"); 14225 } 14226 }; 14227 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 14228 file.delete(); 14229 } 14230 } 14231 14232 @Override 14233 public void deletePackageAsUser(String packageName, IPackageDeleteObserver observer, int userId, 14234 int flags) { 14235 deletePackage(packageName, new LegacyPackageDeleteObserver(observer).getBinder(), userId, 14236 flags); 14237 } 14238 14239 @Override 14240 public void deletePackage(final String packageName, 14241 final IPackageDeleteObserver2 observer, final int userId, final int flags) { 14242 mContext.enforceCallingOrSelfPermission( 14243 android.Manifest.permission.DELETE_PACKAGES, null); 14244 Preconditions.checkNotNull(packageName); 14245 Preconditions.checkNotNull(observer); 14246 final int uid = Binder.getCallingUid(); 14247 final boolean deleteAllUsers = (flags & PackageManager.DELETE_ALL_USERS) != 0; 14248 final int[] users = deleteAllUsers ? sUserManager.getUserIds() : new int[]{ userId }; 14249 if (UserHandle.getUserId(uid) != userId || (deleteAllUsers && users.length > 1)) { 14250 mContext.enforceCallingOrSelfPermission( 14251 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 14252 "deletePackage for user " + userId); 14253 } 14254 14255 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 14256 try { 14257 observer.onPackageDeleted(packageName, 14258 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 14259 } catch (RemoteException re) { 14260 } 14261 return; 14262 } 14263 14264 if (!deleteAllUsers && getBlockUninstallForUser(packageName, userId)) { 14265 try { 14266 observer.onPackageDeleted(packageName, 14267 PackageManager.DELETE_FAILED_OWNER_BLOCKED, null); 14268 } catch (RemoteException re) { 14269 } 14270 return; 14271 } 14272 14273 if (DEBUG_REMOVE) { 14274 Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId 14275 + " deleteAllUsers: " + deleteAllUsers ); 14276 } 14277 // Queue up an async operation since the package deletion may take a little while. 14278 mHandler.post(new Runnable() { 14279 public void run() { 14280 mHandler.removeCallbacks(this); 14281 int returnCode; 14282 if (!deleteAllUsers) { 14283 returnCode = deletePackageX(packageName, userId, flags); 14284 } else { 14285 int[] blockUninstallUserIds = getBlockUninstallForUsers(packageName, users); 14286 // If nobody is blocking uninstall, proceed with delete for all users 14287 if (ArrayUtils.isEmpty(blockUninstallUserIds)) { 14288 returnCode = deletePackageX(packageName, userId, flags); 14289 } else { 14290 // Otherwise uninstall individually for users with blockUninstalls=false 14291 final int userFlags = flags & ~PackageManager.DELETE_ALL_USERS; 14292 for (int userId : users) { 14293 if (!ArrayUtils.contains(blockUninstallUserIds, userId)) { 14294 returnCode = deletePackageX(packageName, userId, userFlags); 14295 if (returnCode != PackageManager.DELETE_SUCCEEDED) { 14296 Slog.w(TAG, "Package delete failed for user " + userId 14297 + ", returnCode " + returnCode); 14298 } 14299 } 14300 } 14301 // The app has only been marked uninstalled for certain users. 14302 // We still need to report that delete was blocked 14303 returnCode = PackageManager.DELETE_FAILED_OWNER_BLOCKED; 14304 } 14305 } 14306 try { 14307 observer.onPackageDeleted(packageName, returnCode, null); 14308 } catch (RemoteException e) { 14309 Log.i(TAG, "Observer no longer exists."); 14310 } //end catch 14311 } //end run 14312 }); 14313 } 14314 14315 private int[] getBlockUninstallForUsers(String packageName, int[] userIds) { 14316 int[] result = EMPTY_INT_ARRAY; 14317 for (int userId : userIds) { 14318 if (getBlockUninstallForUser(packageName, userId)) { 14319 result = ArrayUtils.appendInt(result, userId); 14320 } 14321 } 14322 return result; 14323 } 14324 14325 @Override 14326 public boolean isPackageDeviceAdminOnAnyUser(String packageName) { 14327 return isPackageDeviceAdmin(packageName, UserHandle.USER_ALL); 14328 } 14329 14330 private boolean isPackageDeviceAdmin(String packageName, int userId) { 14331 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 14332 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 14333 try { 14334 if (dpm != null) { 14335 final ComponentName deviceOwnerComponentName = dpm.getDeviceOwnerComponent( 14336 /* callingUserOnly =*/ false); 14337 final String deviceOwnerPackageName = deviceOwnerComponentName == null ? null 14338 : deviceOwnerComponentName.getPackageName(); 14339 // Does the package contains the device owner? 14340 // TODO Do we have to do it even if userId != UserHandle.USER_ALL? Otherwise, 14341 // this check is probably not needed, since DO should be registered as a device 14342 // admin on some user too. (Original bug for this: b/17657954) 14343 if (packageName.equals(deviceOwnerPackageName)) { 14344 return true; 14345 } 14346 // Does it contain a device admin for any user? 14347 int[] users; 14348 if (userId == UserHandle.USER_ALL) { 14349 users = sUserManager.getUserIds(); 14350 } else { 14351 users = new int[]{userId}; 14352 } 14353 for (int i = 0; i < users.length; ++i) { 14354 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 14355 return true; 14356 } 14357 } 14358 } 14359 } catch (RemoteException e) { 14360 } 14361 return false; 14362 } 14363 14364 private boolean shouldKeepUninstalledPackageLPr(String packageName) { 14365 return mKeepUninstalledPackages != null && mKeepUninstalledPackages.contains(packageName); 14366 } 14367 14368 /** 14369 * This method is an internal method that could be get invoked either 14370 * to delete an installed package or to clean up a failed installation. 14371 * After deleting an installed package, a broadcast is sent to notify any 14372 * listeners that the package has been installed. For cleaning up a failed 14373 * installation, the broadcast is not necessary since the package's 14374 * installation wouldn't have sent the initial broadcast either 14375 * The key steps in deleting a package are 14376 * deleting the package information in internal structures like mPackages, 14377 * deleting the packages base directories through installd 14378 * updating mSettings to reflect current status 14379 * persisting settings for later use 14380 * sending a broadcast if necessary 14381 */ 14382 private int deletePackageX(String packageName, int userId, int flags) { 14383 final PackageRemovedInfo info = new PackageRemovedInfo(); 14384 final boolean res; 14385 14386 final UserHandle removeForUser = (flags & PackageManager.DELETE_ALL_USERS) != 0 14387 ? UserHandle.ALL : new UserHandle(userId); 14388 14389 if (isPackageDeviceAdmin(packageName, removeForUser.getIdentifier())) { 14390 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 14391 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 14392 } 14393 14394 PackageSetting uninstalledPs = null; 14395 14396 // for the uninstall-updates case and restricted profiles, remember the per- 14397 // user handle installed state 14398 int[] allUsers; 14399 synchronized (mPackages) { 14400 uninstalledPs = mSettings.mPackages.get(packageName); 14401 if (uninstalledPs == null) { 14402 Slog.w(TAG, "Not removing non-existent package " + packageName); 14403 return PackageManager.DELETE_FAILED_INTERNAL_ERROR; 14404 } 14405 allUsers = sUserManager.getUserIds(); 14406 info.origUsers = uninstalledPs.queryInstalledUsers(allUsers, true); 14407 } 14408 14409 synchronized (mInstallLock) { 14410 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 14411 res = deletePackageLI(packageName, removeForUser, true, allUsers, 14412 flags | REMOVE_CHATTY, info, true, null); 14413 synchronized (mPackages) { 14414 if (res) { 14415 mEphemeralApplicationRegistry.onPackageUninstalledLPw(uninstalledPs.pkg); 14416 } 14417 } 14418 } 14419 14420 if (res) { 14421 final boolean killApp = (flags & PackageManager.INSTALL_DONT_KILL_APP) == 0; 14422 info.sendPackageRemovedBroadcasts(killApp); 14423 info.sendSystemPackageUpdatedBroadcasts(); 14424 info.sendSystemPackageAppearedBroadcasts(); 14425 } 14426 // Force a gc here. 14427 Runtime.getRuntime().gc(); 14428 // Delete the resources here after sending the broadcast to let 14429 // other processes clean up before deleting resources. 14430 if (info.args != null) { 14431 synchronized (mInstallLock) { 14432 info.args.doPostDeleteLI(true); 14433 } 14434 } 14435 14436 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 14437 } 14438 14439 class PackageRemovedInfo { 14440 String removedPackage; 14441 int uid = -1; 14442 int removedAppId = -1; 14443 int[] origUsers; 14444 int[] removedUsers = null; 14445 boolean isRemovedPackageSystemUpdate = false; 14446 boolean isUpdate; 14447 boolean dataRemoved; 14448 boolean removedForAllUsers; 14449 // Clean up resources deleted packages. 14450 InstallArgs args = null; 14451 ArrayMap<String, PackageRemovedInfo> removedChildPackages; 14452 ArrayMap<String, PackageInstalledInfo> appearedChildPackages; 14453 14454 void sendPackageRemovedBroadcasts(boolean killApp) { 14455 sendPackageRemovedBroadcastInternal(killApp); 14456 final int childCount = removedChildPackages != null ? removedChildPackages.size() : 0; 14457 for (int i = 0; i < childCount; i++) { 14458 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 14459 childInfo.sendPackageRemovedBroadcastInternal(killApp); 14460 } 14461 } 14462 14463 void sendSystemPackageUpdatedBroadcasts() { 14464 if (isRemovedPackageSystemUpdate) { 14465 sendSystemPackageUpdatedBroadcastsInternal(); 14466 final int childCount = (removedChildPackages != null) 14467 ? removedChildPackages.size() : 0; 14468 for (int i = 0; i < childCount; i++) { 14469 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 14470 if (childInfo.isRemovedPackageSystemUpdate) { 14471 childInfo.sendSystemPackageUpdatedBroadcastsInternal(); 14472 } 14473 } 14474 } 14475 } 14476 14477 void sendSystemPackageAppearedBroadcasts() { 14478 final int packageCount = (appearedChildPackages != null) 14479 ? appearedChildPackages.size() : 0; 14480 for (int i = 0; i < packageCount; i++) { 14481 PackageInstalledInfo installedInfo = appearedChildPackages.valueAt(i); 14482 for (int userId : installedInfo.newUsers) { 14483 sendPackageAddedForUser(installedInfo.name, true, 14484 UserHandle.getAppId(installedInfo.uid), userId); 14485 } 14486 } 14487 } 14488 14489 private void sendSystemPackageUpdatedBroadcastsInternal() { 14490 Bundle extras = new Bundle(2); 14491 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 14492 extras.putBoolean(Intent.EXTRA_REPLACING, true); 14493 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, removedPackage, 14494 extras, 0, null, null, null); 14495 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, removedPackage, 14496 extras, 0, null, null, null); 14497 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 14498 null, 0, removedPackage, null, null); 14499 } 14500 14501 private void sendPackageRemovedBroadcastInternal(boolean killApp) { 14502 Bundle extras = new Bundle(2); 14503 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 14504 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, dataRemoved); 14505 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, !killApp); 14506 if (isUpdate || isRemovedPackageSystemUpdate) { 14507 extras.putBoolean(Intent.EXTRA_REPLACING, true); 14508 } 14509 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 14510 if (removedPackage != null) { 14511 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 14512 extras, 0, null, null, removedUsers); 14513 if (dataRemoved && !isRemovedPackageSystemUpdate) { 14514 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, 14515 removedPackage, extras, 0, null, null, removedUsers); 14516 } 14517 } 14518 if (removedAppId >= 0) { 14519 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, 0, null, null, 14520 removedUsers); 14521 } 14522 } 14523 } 14524 14525 /* 14526 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 14527 * flag is not set, the data directory is removed as well. 14528 * make sure this flag is set for partially installed apps. If not its meaningless to 14529 * delete a partially installed application. 14530 */ 14531 private void removePackageDataLI(PackageSetting ps, int[] allUserHandles, 14532 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 14533 String packageName = ps.name; 14534 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 14535 removePackageLI(ps, (flags&REMOVE_CHATTY) != 0); 14536 // Retrieve object to delete permissions for shared user later on 14537 final PackageSetting deletedPs; 14538 // reader 14539 synchronized (mPackages) { 14540 deletedPs = mSettings.mPackages.get(packageName); 14541 if (outInfo != null) { 14542 outInfo.removedPackage = packageName; 14543 outInfo.removedUsers = deletedPs != null 14544 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 14545 : null; 14546 } 14547 } 14548 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 14549 removeDataDirsLI(ps.volumeUuid, packageName); 14550 if (outInfo != null) { 14551 outInfo.dataRemoved = true; 14552 } 14553 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 14554 } 14555 // writer 14556 synchronized (mPackages) { 14557 if (deletedPs != null) { 14558 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 14559 clearIntentFilterVerificationsLPw(deletedPs.name, UserHandle.USER_ALL); 14560 clearDefaultBrowserIfNeeded(packageName); 14561 if (outInfo != null) { 14562 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 14563 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 14564 } 14565 updatePermissionsLPw(deletedPs.name, null, 0); 14566 if (deletedPs.sharedUser != null) { 14567 // Remove permissions associated with package. Since runtime 14568 // permissions are per user we have to kill the removed package 14569 // or packages running under the shared user of the removed 14570 // package if revoking the permissions requested only by the removed 14571 // package is successful and this causes a change in gids. 14572 for (int userId : UserManagerService.getInstance().getUserIds()) { 14573 final int userIdToKill = mSettings.updateSharedUserPermsLPw(deletedPs, 14574 userId); 14575 if (userIdToKill == UserHandle.USER_ALL 14576 || userIdToKill >= UserHandle.USER_SYSTEM) { 14577 // If gids changed for this user, kill all affected packages. 14578 mHandler.post(new Runnable() { 14579 @Override 14580 public void run() { 14581 // This has to happen with no lock held. 14582 killApplication(deletedPs.name, deletedPs.appId, 14583 KILL_APP_REASON_GIDS_CHANGED); 14584 } 14585 }); 14586 break; 14587 } 14588 } 14589 } 14590 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 14591 } 14592 // make sure to preserve per-user disabled state if this removal was just 14593 // a downgrade of a system app to the factory package 14594 if (allUserHandles != null && outInfo != null && outInfo.origUsers != null) { 14595 if (DEBUG_REMOVE) { 14596 Slog.d(TAG, "Propagating install state across downgrade"); 14597 } 14598 for (int userId : allUserHandles) { 14599 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 14600 if (DEBUG_REMOVE) { 14601 Slog.d(TAG, " user " + userId + " => " + installed); 14602 } 14603 ps.setInstalled(installed, userId); 14604 } 14605 } 14606 } 14607 // can downgrade to reader 14608 if (writeSettings) { 14609 // Save settings now 14610 mSettings.writeLPr(); 14611 } 14612 } 14613 if (outInfo != null) { 14614 // A user ID was deleted here. Go through all users and remove it 14615 // from KeyStore. 14616 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 14617 } 14618 } 14619 14620 static boolean locationIsPrivileged(File path) { 14621 try { 14622 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 14623 .getCanonicalPath(); 14624 return path.getCanonicalPath().startsWith(privilegedAppDir); 14625 } catch (IOException e) { 14626 Slog.e(TAG, "Unable to access code path " + path); 14627 } 14628 return false; 14629 } 14630 14631 /* 14632 * Tries to delete system package. 14633 */ 14634 private boolean deleteSystemPackageLI(PackageParser.Package deletedPkg, 14635 PackageSetting deletedPs, int[] allUserHandles, int flags, PackageRemovedInfo outInfo, 14636 boolean writeSettings) { 14637 if (deletedPs.parentPackageName != null) { 14638 Slog.w(TAG, "Attempt to delete child system package " + deletedPkg.packageName); 14639 return false; 14640 } 14641 14642 final boolean applyUserRestrictions 14643 = (allUserHandles != null) && (outInfo.origUsers != null); 14644 final PackageSetting disabledPs; 14645 // Confirm if the system package has been updated 14646 // An updated system app can be deleted. This will also have to restore 14647 // the system pkg from system partition 14648 // reader 14649 synchronized (mPackages) { 14650 disabledPs = mSettings.getDisabledSystemPkgLPr(deletedPs.name); 14651 } 14652 14653 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + deletedPkg.packageName 14654 + " disabledPs=" + disabledPs); 14655 14656 if (disabledPs == null) { 14657 Slog.w(TAG, "Attempt to delete unknown system package "+ deletedPkg.packageName); 14658 return false; 14659 } else if (DEBUG_REMOVE) { 14660 Slog.d(TAG, "Deleting system pkg from data partition"); 14661 } 14662 14663 if (DEBUG_REMOVE) { 14664 if (applyUserRestrictions) { 14665 Slog.d(TAG, "Remembering install states:"); 14666 for (int userId : allUserHandles) { 14667 final boolean finstalled = ArrayUtils.contains(outInfo.origUsers, userId); 14668 Slog.d(TAG, " u=" + userId + " inst=" + finstalled); 14669 } 14670 } 14671 } 14672 14673 // Delete the updated package 14674 outInfo.isRemovedPackageSystemUpdate = true; 14675 if (outInfo.removedChildPackages != null) { 14676 final int childCount = (deletedPs.childPackageNames != null) 14677 ? deletedPs.childPackageNames.size() : 0; 14678 for (int i = 0; i < childCount; i++) { 14679 String childPackageName = deletedPs.childPackageNames.get(i); 14680 if (disabledPs.childPackageNames != null && disabledPs.childPackageNames 14681 .contains(childPackageName)) { 14682 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 14683 childPackageName); 14684 if (childInfo != null) { 14685 childInfo.isRemovedPackageSystemUpdate = true; 14686 } 14687 } 14688 } 14689 } 14690 14691 if (disabledPs.versionCode < deletedPs.versionCode) { 14692 // Delete data for downgrades 14693 flags &= ~PackageManager.DELETE_KEEP_DATA; 14694 } else { 14695 // Preserve data by setting flag 14696 flags |= PackageManager.DELETE_KEEP_DATA; 14697 } 14698 14699 boolean ret = deleteInstalledPackageLI(deletedPs, true, flags, allUserHandles, 14700 outInfo, writeSettings, disabledPs.pkg); 14701 if (!ret) { 14702 return false; 14703 } 14704 14705 // writer 14706 synchronized (mPackages) { 14707 // Reinstate the old system package 14708 enableSystemPackageLPw(disabledPs.pkg); 14709 // Remove any native libraries from the upgraded package. 14710 removeNativeBinariesLI(deletedPs); 14711 } 14712 14713 // Install the system package 14714 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 14715 int parseFlags = PackageParser.PARSE_MUST_BE_APK | PackageParser.PARSE_IS_SYSTEM; 14716 if (locationIsPrivileged(disabledPs.codePath)) { 14717 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 14718 } 14719 14720 final PackageParser.Package newPkg; 14721 try { 14722 newPkg = scanPackageTracedLI(disabledPs.codePath, parseFlags, SCAN_NO_PATHS, 0, null); 14723 } catch (PackageManagerException e) { 14724 Slog.w(TAG, "Failed to restore system package:" + deletedPkg.packageName + ": " 14725 + e.getMessage()); 14726 return false; 14727 } 14728 14729 prepareAppDataAfterInstall(newPkg); 14730 14731 // writer 14732 synchronized (mPackages) { 14733 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 14734 14735 // Propagate the permissions state as we do not want to drop on the floor 14736 // runtime permissions. The update permissions method below will take 14737 // care of removing obsolete permissions and grant install permissions. 14738 ps.getPermissionsState().copyFrom(deletedPs.getPermissionsState()); 14739 updatePermissionsLPw(newPkg.packageName, newPkg, 14740 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 14741 14742 if (applyUserRestrictions) { 14743 if (DEBUG_REMOVE) { 14744 Slog.d(TAG, "Propagating install state across reinstall"); 14745 } 14746 for (int userId : allUserHandles) { 14747 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 14748 if (DEBUG_REMOVE) { 14749 Slog.d(TAG, " user " + userId + " => " + installed); 14750 } 14751 ps.setInstalled(installed, userId); 14752 14753 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 14754 } 14755 // Regardless of writeSettings we need to ensure that this restriction 14756 // state propagation is persisted 14757 mSettings.writeAllUsersPackageRestrictionsLPr(); 14758 } 14759 // can downgrade to reader here 14760 if (writeSettings) { 14761 mSettings.writeLPr(); 14762 } 14763 } 14764 return true; 14765 } 14766 14767 private boolean deleteInstalledPackageLI(PackageSetting ps, 14768 boolean deleteCodeAndResources, int flags, int[] allUserHandles, 14769 PackageRemovedInfo outInfo, boolean writeSettings, 14770 PackageParser.Package replacingPackage) { 14771 synchronized (mPackages) { 14772 if (outInfo != null) { 14773 outInfo.uid = ps.appId; 14774 } 14775 14776 if (outInfo != null && outInfo.removedChildPackages != null) { 14777 final int childCount = (ps.childPackageNames != null) 14778 ? ps.childPackageNames.size() : 0; 14779 for (int i = 0; i < childCount; i++) { 14780 String childPackageName = ps.childPackageNames.get(i); 14781 PackageSetting childPs = mSettings.mPackages.get(childPackageName); 14782 if (childPs == null) { 14783 return false; 14784 } 14785 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 14786 childPackageName); 14787 if (childInfo != null) { 14788 childInfo.uid = childPs.appId; 14789 } 14790 } 14791 } 14792 } 14793 14794 // Delete package data from internal structures and also remove data if flag is set 14795 removePackageDataLI(ps, allUserHandles, outInfo, flags, writeSettings); 14796 14797 // Delete the child packages data 14798 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 14799 for (int i = 0; i < childCount; i++) { 14800 PackageSetting childPs; 14801 synchronized (mPackages) { 14802 childPs = mSettings.peekPackageLPr(ps.childPackageNames.get(i)); 14803 } 14804 if (childPs != null) { 14805 PackageRemovedInfo childOutInfo = (outInfo != null 14806 && outInfo.removedChildPackages != null) 14807 ? outInfo.removedChildPackages.get(childPs.name) : null; 14808 final int deleteFlags = (flags & DELETE_KEEP_DATA) != 0 14809 && (replacingPackage != null 14810 && !replacingPackage.hasChildPackage(childPs.name)) 14811 ? flags & ~DELETE_KEEP_DATA : flags; 14812 removePackageDataLI(childPs, allUserHandles, childOutInfo, 14813 deleteFlags, writeSettings); 14814 } 14815 } 14816 14817 // Delete application code and resources only for parent packages 14818 if (ps.parentPackageName == null) { 14819 if (deleteCodeAndResources && (outInfo != null)) { 14820 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 14821 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 14822 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 14823 } 14824 } 14825 14826 return true; 14827 } 14828 14829 @Override 14830 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 14831 int userId) { 14832 mContext.enforceCallingOrSelfPermission( 14833 android.Manifest.permission.DELETE_PACKAGES, null); 14834 synchronized (mPackages) { 14835 PackageSetting ps = mSettings.mPackages.get(packageName); 14836 if (ps == null) { 14837 Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); 14838 return false; 14839 } 14840 if (!ps.getInstalled(userId)) { 14841 // Can't block uninstall for an app that is not installed or enabled. 14842 Log.i(TAG, "Package not installed in set block uninstall " + packageName); 14843 return false; 14844 } 14845 ps.setBlockUninstall(blockUninstall, userId); 14846 mSettings.writePackageRestrictionsLPr(userId); 14847 } 14848 return true; 14849 } 14850 14851 @Override 14852 public boolean getBlockUninstallForUser(String packageName, int userId) { 14853 synchronized (mPackages) { 14854 PackageSetting ps = mSettings.mPackages.get(packageName); 14855 if (ps == null) { 14856 Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); 14857 return false; 14858 } 14859 return ps.getBlockUninstall(userId); 14860 } 14861 } 14862 14863 @Override 14864 public boolean setRequiredForSystemUser(String packageName, boolean systemUserApp) { 14865 int callingUid = Binder.getCallingUid(); 14866 if (callingUid != Process.SYSTEM_UID && callingUid != Process.ROOT_UID) { 14867 throw new SecurityException( 14868 "setRequiredForSystemUser can only be run by the system or root"); 14869 } 14870 synchronized (mPackages) { 14871 PackageSetting ps = mSettings.mPackages.get(packageName); 14872 if (ps == null) { 14873 Log.w(TAG, "Package doesn't exist: " + packageName); 14874 return false; 14875 } 14876 if (systemUserApp) { 14877 ps.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 14878 } else { 14879 ps.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 14880 } 14881 mSettings.writeLPr(); 14882 } 14883 return true; 14884 } 14885 14886 /* 14887 * This method handles package deletion in general 14888 */ 14889 private boolean deletePackageLI(String packageName, UserHandle user, 14890 boolean deleteCodeAndResources, int[] allUserHandles, int flags, 14891 PackageRemovedInfo outInfo, boolean writeSettings, 14892 PackageParser.Package replacingPackage) { 14893 if (packageName == null) { 14894 Slog.w(TAG, "Attempt to delete null packageName."); 14895 return false; 14896 } 14897 14898 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 14899 14900 PackageSetting ps; 14901 14902 synchronized (mPackages) { 14903 ps = mSettings.mPackages.get(packageName); 14904 if (ps == null) { 14905 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 14906 return false; 14907 } 14908 14909 if (ps.parentPackageName != null && (!isSystemApp(ps) 14910 || (flags & PackageManager.DELETE_SYSTEM_APP) != 0)) { 14911 if (DEBUG_REMOVE) { 14912 Slog.d(TAG, "Uninstalled child package:" + packageName + " for user:" 14913 + ((user == null) ? UserHandle.USER_ALL : user)); 14914 } 14915 final int removedUserId = (user != null) ? user.getIdentifier() 14916 : UserHandle.USER_ALL; 14917 if (!clearPackageStateForUser(ps, removedUserId, outInfo)) { 14918 return false; 14919 } 14920 markPackageUninstalledForUserLPw(ps, user); 14921 scheduleWritePackageRestrictionsLocked(user); 14922 return true; 14923 } 14924 } 14925 14926 if (((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 14927 && user.getIdentifier() != UserHandle.USER_ALL)) { 14928 // The caller is asking that the package only be deleted for a single 14929 // user. To do this, we just mark its uninstalled state and delete 14930 // its data. If this is a system app, we only allow this to happen if 14931 // they have set the special DELETE_SYSTEM_APP which requests different 14932 // semantics than normal for uninstalling system apps. 14933 markPackageUninstalledForUserLPw(ps, user); 14934 14935 if (!isSystemApp(ps)) { 14936 // Do not uninstall the APK if an app should be cached 14937 boolean keepUninstalledPackage = shouldKeepUninstalledPackageLPr(packageName); 14938 if (ps.isAnyInstalled(sUserManager.getUserIds()) || keepUninstalledPackage) { 14939 // Other user still have this package installed, so all 14940 // we need to do is clear this user's data and save that 14941 // it is uninstalled. 14942 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 14943 if (!clearPackageStateForUser(ps, user.getIdentifier(), outInfo)) { 14944 return false; 14945 } 14946 scheduleWritePackageRestrictionsLocked(user); 14947 return true; 14948 } else { 14949 // We need to set it back to 'installed' so the uninstall 14950 // broadcasts will be sent correctly. 14951 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 14952 ps.setInstalled(true, user.getIdentifier()); 14953 } 14954 } else { 14955 // This is a system app, so we assume that the 14956 // other users still have this package installed, so all 14957 // we need to do is clear this user's data and save that 14958 // it is uninstalled. 14959 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 14960 if (!clearPackageStateForUser(ps, user.getIdentifier(), outInfo)) { 14961 return false; 14962 } 14963 scheduleWritePackageRestrictionsLocked(user); 14964 return true; 14965 } 14966 } 14967 14968 // If we are deleting a composite package for all users, keep track 14969 // of result for each child. 14970 if (ps.childPackageNames != null && outInfo != null) { 14971 synchronized (mPackages) { 14972 final int childCount = ps.childPackageNames.size(); 14973 outInfo.removedChildPackages = new ArrayMap<>(childCount); 14974 for (int i = 0; i < childCount; i++) { 14975 String childPackageName = ps.childPackageNames.get(i); 14976 PackageRemovedInfo childInfo = new PackageRemovedInfo(); 14977 childInfo.removedPackage = childPackageName; 14978 outInfo.removedChildPackages.put(childPackageName, childInfo); 14979 PackageSetting childPs = mSettings.peekPackageLPr(childPackageName); 14980 if (childPs != null) { 14981 childInfo.origUsers = childPs.queryInstalledUsers(allUserHandles, true); 14982 } 14983 } 14984 } 14985 } 14986 14987 boolean ret = false; 14988 if (isSystemApp(ps)) { 14989 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package: " + ps.name); 14990 // When an updated system application is deleted we delete the existing resources 14991 // as well and fall back to existing code in system partition 14992 ret = deleteSystemPackageLI(ps.pkg, ps, allUserHandles, flags, outInfo, writeSettings); 14993 } else { 14994 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package: " + ps.name); 14995 // Kill application pre-emptively especially for apps on sd. 14996 final boolean killApp = (flags & PackageManager.DELETE_DONT_KILL_APP) == 0; 14997 if (killApp) { 14998 killApplication(packageName, ps.appId, "uninstall pkg"); 14999 } 15000 ret = deleteInstalledPackageLI(ps, deleteCodeAndResources, flags, allUserHandles, 15001 outInfo, writeSettings, replacingPackage); 15002 } 15003 15004 // Take a note whether we deleted the package for all users 15005 if (outInfo != null) { 15006 outInfo.removedForAllUsers = mPackages.get(ps.name) == null; 15007 if (outInfo.removedChildPackages != null) { 15008 synchronized (mPackages) { 15009 final int childCount = outInfo.removedChildPackages.size(); 15010 for (int i = 0; i < childCount; i++) { 15011 PackageRemovedInfo childInfo = outInfo.removedChildPackages.valueAt(i); 15012 if (childInfo != null) { 15013 childInfo.removedForAllUsers = mPackages.get( 15014 childInfo.removedPackage) == null; 15015 } 15016 } 15017 } 15018 } 15019 // If we uninstalled an update to a system app there may be some 15020 // child packages that appeared as they are declared in the system 15021 // app but were not declared in the update. 15022 if (isSystemApp(ps)) { 15023 synchronized (mPackages) { 15024 PackageSetting updatedPs = mSettings.peekPackageLPr(ps.name); 15025 final int childCount = (updatedPs.childPackageNames != null) 15026 ? updatedPs.childPackageNames.size() : 0; 15027 for (int i = 0; i < childCount; i++) { 15028 String childPackageName = updatedPs.childPackageNames.get(i); 15029 if (outInfo.removedChildPackages == null 15030 || outInfo.removedChildPackages.indexOfKey(childPackageName) < 0) { 15031 PackageSetting childPs = mSettings.peekPackageLPr(childPackageName); 15032 if (childPs == null) { 15033 continue; 15034 } 15035 PackageInstalledInfo installRes = new PackageInstalledInfo(); 15036 installRes.name = childPackageName; 15037 installRes.newUsers = childPs.queryInstalledUsers(allUserHandles, true); 15038 installRes.pkg = mPackages.get(childPackageName); 15039 installRes.uid = childPs.pkg.applicationInfo.uid; 15040 if (outInfo.appearedChildPackages == null) { 15041 outInfo.appearedChildPackages = new ArrayMap<>(); 15042 } 15043 outInfo.appearedChildPackages.put(childPackageName, installRes); 15044 } 15045 } 15046 } 15047 } 15048 } 15049 15050 return ret; 15051 } 15052 15053 private void markPackageUninstalledForUserLPw(PackageSetting ps, UserHandle user) { 15054 final int[] userIds = (user == null || user.getIdentifier() == UserHandle.USER_ALL) 15055 ? sUserManager.getUserIds() : new int[] {user.getIdentifier()}; 15056 for (int nextUserId : userIds) { 15057 if (DEBUG_REMOVE) { 15058 Slog.d(TAG, "Marking package:" + ps.name + " uninstalled for user:" + nextUserId); 15059 } 15060 ps.setUserState(nextUserId, COMPONENT_ENABLED_STATE_DEFAULT, 15061 false /*installed*/, true /*stopped*/, true /*notLaunched*/, 15062 false /*hidden*/, false /*suspended*/, null, null, null, 15063 false /*blockUninstall*/, 15064 ps.readUserState(nextUserId).domainVerificationStatus, 0); 15065 } 15066 } 15067 15068 private boolean clearPackageStateForUser(PackageSetting ps, int userId, 15069 PackageRemovedInfo outInfo) { 15070 final int[] userIds = (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() 15071 : new int[] {userId}; 15072 for (int nextUserId : userIds) { 15073 if (DEBUG_REMOVE) { 15074 Slog.d(TAG, "Updating package:" + ps.name + " install state for user:" 15075 + nextUserId); 15076 } 15077 final int flags = StorageManager.FLAG_STORAGE_CE| StorageManager.FLAG_STORAGE_DE; 15078 try { 15079 mInstaller.destroyAppData(ps.volumeUuid, ps.name, nextUserId, flags); 15080 } catch (InstallerException e) { 15081 Slog.w(TAG, "Couldn't remove cache files for package " + ps.name, e); 15082 return false; 15083 } 15084 removeKeystoreDataIfNeeded(nextUserId, ps.appId); 15085 schedulePackageCleaning(ps.name, nextUserId, false); 15086 synchronized (mPackages) { 15087 if (clearPackagePreferredActivitiesLPw(ps.name, nextUserId)) { 15088 scheduleWritePackageRestrictionsLocked(nextUserId); 15089 } 15090 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, nextUserId); 15091 } 15092 } 15093 15094 if (outInfo != null) { 15095 outInfo.removedPackage = ps.name; 15096 outInfo.removedAppId = ps.appId; 15097 outInfo.removedUsers = userIds; 15098 } 15099 15100 return true; 15101 } 15102 15103 private final class ClearStorageConnection implements ServiceConnection { 15104 IMediaContainerService mContainerService; 15105 15106 @Override 15107 public void onServiceConnected(ComponentName name, IBinder service) { 15108 synchronized (this) { 15109 mContainerService = IMediaContainerService.Stub.asInterface(service); 15110 notifyAll(); 15111 } 15112 } 15113 15114 @Override 15115 public void onServiceDisconnected(ComponentName name) { 15116 } 15117 } 15118 15119 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 15120 final boolean mounted; 15121 if (Environment.isExternalStorageEmulated()) { 15122 mounted = true; 15123 } else { 15124 final String status = Environment.getExternalStorageState(); 15125 15126 mounted = status.equals(Environment.MEDIA_MOUNTED) 15127 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 15128 } 15129 15130 if (!mounted) { 15131 return; 15132 } 15133 15134 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 15135 int[] users; 15136 if (userId == UserHandle.USER_ALL) { 15137 users = sUserManager.getUserIds(); 15138 } else { 15139 users = new int[] { userId }; 15140 } 15141 final ClearStorageConnection conn = new ClearStorageConnection(); 15142 if (mContext.bindServiceAsUser( 15143 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 15144 try { 15145 for (int curUser : users) { 15146 long timeout = SystemClock.uptimeMillis() + 5000; 15147 synchronized (conn) { 15148 long now = SystemClock.uptimeMillis(); 15149 while (conn.mContainerService == null && now < timeout) { 15150 try { 15151 conn.wait(timeout - now); 15152 } catch (InterruptedException e) { 15153 } 15154 } 15155 } 15156 if (conn.mContainerService == null) { 15157 return; 15158 } 15159 15160 final UserEnvironment userEnv = new UserEnvironment(curUser); 15161 clearDirectory(conn.mContainerService, 15162 userEnv.buildExternalStorageAppCacheDirs(packageName)); 15163 if (allData) { 15164 clearDirectory(conn.mContainerService, 15165 userEnv.buildExternalStorageAppDataDirs(packageName)); 15166 clearDirectory(conn.mContainerService, 15167 userEnv.buildExternalStorageAppMediaDirs(packageName)); 15168 } 15169 } 15170 } finally { 15171 mContext.unbindService(conn); 15172 } 15173 } 15174 } 15175 15176 @Override 15177 public void clearApplicationProfileData(String packageName) { 15178 enforceSystemOrRoot("Only the system can clear all profile data"); 15179 try { 15180 mInstaller.rmProfiles(packageName); 15181 } catch (InstallerException ex) { 15182 Log.e(TAG, "Could not clear profile data of package " + packageName); 15183 } 15184 } 15185 15186 @Override 15187 public void clearApplicationUserData(final String packageName, 15188 final IPackageDataObserver observer, final int userId) { 15189 mContext.enforceCallingOrSelfPermission( 15190 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 15191 15192 enforceCrossUserPermission(Binder.getCallingUid(), userId, 15193 true /* requireFullPermission */, false /* checkShell */, "clear application data"); 15194 15195 final DevicePolicyManagerInternal dpmi = LocalServices 15196 .getService(DevicePolicyManagerInternal.class); 15197 if (dpmi != null && dpmi.hasDeviceOwnerOrProfileOwner(packageName, userId)) { 15198 throw new SecurityException("Cannot clear data for a device owner or a profile owner"); 15199 } 15200 // Queue up an async operation since the package deletion may take a little while. 15201 mHandler.post(new Runnable() { 15202 public void run() { 15203 mHandler.removeCallbacks(this); 15204 final boolean succeeded; 15205 synchronized (mInstallLock) { 15206 succeeded = clearApplicationUserDataLI(packageName, userId); 15207 } 15208 clearExternalStorageDataSync(packageName, userId, true); 15209 if (succeeded) { 15210 // invoke DeviceStorageMonitor's update method to clear any notifications 15211 DeviceStorageMonitorInternal dsm = LocalServices 15212 .getService(DeviceStorageMonitorInternal.class); 15213 if (dsm != null) { 15214 dsm.checkMemory(); 15215 } 15216 } 15217 if(observer != null) { 15218 try { 15219 observer.onRemoveCompleted(packageName, succeeded); 15220 } catch (RemoteException e) { 15221 Log.i(TAG, "Observer no longer exists."); 15222 } 15223 } //end if observer 15224 } //end run 15225 }); 15226 } 15227 15228 private boolean clearApplicationUserDataLI(String packageName, int userId) { 15229 if (packageName == null) { 15230 Slog.w(TAG, "Attempt to delete null packageName."); 15231 return false; 15232 } 15233 15234 // Try finding details about the requested package 15235 PackageParser.Package pkg; 15236 synchronized (mPackages) { 15237 pkg = mPackages.get(packageName); 15238 if (pkg == null) { 15239 final PackageSetting ps = mSettings.mPackages.get(packageName); 15240 if (ps != null) { 15241 pkg = ps.pkg; 15242 } 15243 } 15244 15245 if (pkg == null) { 15246 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 15247 return false; 15248 } 15249 15250 PackageSetting ps = (PackageSetting) pkg.mExtras; 15251 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 15252 } 15253 15254 // Always delete data directories for package, even if we found no other 15255 // record of app. This helps users recover from UID mismatches without 15256 // resorting to a full data wipe. 15257 // TODO: triage flags as part of 26466827 15258 final int flags = StorageManager.FLAG_STORAGE_CE | StorageManager.FLAG_STORAGE_DE; 15259 try { 15260 mInstaller.clearAppData(pkg.volumeUuid, packageName, userId, flags); 15261 } catch (InstallerException e) { 15262 Slog.w(TAG, "Couldn't remove cache files for package " + packageName, e); 15263 return false; 15264 } 15265 15266 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 15267 removeKeystoreDataIfNeeded(userId, appId); 15268 15269 // Create a native library symlink only if we have native libraries 15270 // and if the native libraries are 32 bit libraries. We do not provide 15271 // this symlink for 64 bit libraries. 15272 if (pkg.applicationInfo.primaryCpuAbi != null && 15273 !VMRuntime.is64BitAbi(pkg.applicationInfo.primaryCpuAbi)) { 15274 final String nativeLibPath = pkg.applicationInfo.nativeLibraryDir; 15275 try { 15276 mInstaller.linkNativeLibraryDirectory(pkg.volumeUuid, pkg.packageName, 15277 nativeLibPath, userId); 15278 } catch (InstallerException e) { 15279 Slog.w(TAG, "Failed linking native library dir", e); 15280 return false; 15281 } 15282 } 15283 15284 return true; 15285 } 15286 15287 /** 15288 * Reverts user permission state changes (permissions and flags) in 15289 * all packages for a given user. 15290 * 15291 * @param userId The device user for which to do a reset. 15292 */ 15293 private void resetUserChangesToRuntimePermissionsAndFlagsLPw(int userId) { 15294 final int packageCount = mPackages.size(); 15295 for (int i = 0; i < packageCount; i++) { 15296 PackageParser.Package pkg = mPackages.valueAt(i); 15297 PackageSetting ps = (PackageSetting) pkg.mExtras; 15298 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 15299 } 15300 } 15301 15302 /** 15303 * Reverts user permission state changes (permissions and flags). 15304 * 15305 * @param ps The package for which to reset. 15306 * @param userId The device user for which to do a reset. 15307 */ 15308 private void resetUserChangesToRuntimePermissionsAndFlagsLPw( 15309 final PackageSetting ps, final int userId) { 15310 if (ps.pkg == null) { 15311 return; 15312 } 15313 15314 // These are flags that can change base on user actions. 15315 final int userSettableMask = FLAG_PERMISSION_USER_SET 15316 | FLAG_PERMISSION_USER_FIXED 15317 | FLAG_PERMISSION_REVOKE_ON_UPGRADE 15318 | FLAG_PERMISSION_REVIEW_REQUIRED; 15319 15320 final int policyOrSystemFlags = FLAG_PERMISSION_SYSTEM_FIXED 15321 | FLAG_PERMISSION_POLICY_FIXED; 15322 15323 boolean writeInstallPermissions = false; 15324 boolean writeRuntimePermissions = false; 15325 15326 final int permissionCount = ps.pkg.requestedPermissions.size(); 15327 for (int i = 0; i < permissionCount; i++) { 15328 String permission = ps.pkg.requestedPermissions.get(i); 15329 15330 BasePermission bp = mSettings.mPermissions.get(permission); 15331 if (bp == null) { 15332 continue; 15333 } 15334 15335 // If shared user we just reset the state to which only this app contributed. 15336 if (ps.sharedUser != null) { 15337 boolean used = false; 15338 final int packageCount = ps.sharedUser.packages.size(); 15339 for (int j = 0; j < packageCount; j++) { 15340 PackageSetting pkg = ps.sharedUser.packages.valueAt(j); 15341 if (pkg.pkg != null && !pkg.pkg.packageName.equals(ps.pkg.packageName) 15342 && pkg.pkg.requestedPermissions.contains(permission)) { 15343 used = true; 15344 break; 15345 } 15346 } 15347 if (used) { 15348 continue; 15349 } 15350 } 15351 15352 PermissionsState permissionsState = ps.getPermissionsState(); 15353 15354 final int oldFlags = permissionsState.getPermissionFlags(bp.name, userId); 15355 15356 // Always clear the user settable flags. 15357 final boolean hasInstallState = permissionsState.getInstallPermissionState( 15358 bp.name) != null; 15359 // If permission review is enabled and this is a legacy app, mark the 15360 // permission as requiring a review as this is the initial state. 15361 int flags = 0; 15362 if (Build.PERMISSIONS_REVIEW_REQUIRED 15363 && ps.pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 15364 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 15365 } 15366 if (permissionsState.updatePermissionFlags(bp, userId, userSettableMask, flags)) { 15367 if (hasInstallState) { 15368 writeInstallPermissions = true; 15369 } else { 15370 writeRuntimePermissions = true; 15371 } 15372 } 15373 15374 // Below is only runtime permission handling. 15375 if (!bp.isRuntime()) { 15376 continue; 15377 } 15378 15379 // Never clobber system or policy. 15380 if ((oldFlags & policyOrSystemFlags) != 0) { 15381 continue; 15382 } 15383 15384 // If this permission was granted by default, make sure it is. 15385 if ((oldFlags & FLAG_PERMISSION_GRANTED_BY_DEFAULT) != 0) { 15386 if (permissionsState.grantRuntimePermission(bp, userId) 15387 != PERMISSION_OPERATION_FAILURE) { 15388 writeRuntimePermissions = true; 15389 } 15390 // If permission review is enabled the permissions for a legacy apps 15391 // are represented as constantly granted runtime ones, so don't revoke. 15392 } else if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 15393 // Otherwise, reset the permission. 15394 final int revokeResult = permissionsState.revokeRuntimePermission(bp, userId); 15395 switch (revokeResult) { 15396 case PERMISSION_OPERATION_SUCCESS: { 15397 writeRuntimePermissions = true; 15398 } break; 15399 15400 case PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 15401 writeRuntimePermissions = true; 15402 final int appId = ps.appId; 15403 mHandler.post(new Runnable() { 15404 @Override 15405 public void run() { 15406 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 15407 } 15408 }); 15409 } break; 15410 } 15411 } 15412 } 15413 15414 // Synchronously write as we are taking permissions away. 15415 if (writeRuntimePermissions) { 15416 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 15417 } 15418 15419 // Synchronously write as we are taking permissions away. 15420 if (writeInstallPermissions) { 15421 mSettings.writeLPr(); 15422 } 15423 } 15424 15425 /** 15426 * Remove entries from the keystore daemon. Will only remove it if the 15427 * {@code appId} is valid. 15428 */ 15429 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 15430 if (appId < 0) { 15431 return; 15432 } 15433 15434 final KeyStore keyStore = KeyStore.getInstance(); 15435 if (keyStore != null) { 15436 if (userId == UserHandle.USER_ALL) { 15437 for (final int individual : sUserManager.getUserIds()) { 15438 keyStore.clearUid(UserHandle.getUid(individual, appId)); 15439 } 15440 } else { 15441 keyStore.clearUid(UserHandle.getUid(userId, appId)); 15442 } 15443 } else { 15444 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 15445 } 15446 } 15447 15448 @Override 15449 public void deleteApplicationCacheFiles(final String packageName, 15450 final IPackageDataObserver observer) { 15451 mContext.enforceCallingOrSelfPermission( 15452 android.Manifest.permission.DELETE_CACHE_FILES, null); 15453 // Queue up an async operation since the package deletion may take a little while. 15454 final int userId = UserHandle.getCallingUserId(); 15455 mHandler.post(new Runnable() { 15456 public void run() { 15457 mHandler.removeCallbacks(this); 15458 final boolean succeded; 15459 synchronized (mInstallLock) { 15460 succeded = deleteApplicationCacheFilesLI(packageName, userId); 15461 } 15462 clearExternalStorageDataSync(packageName, userId, false); 15463 if (observer != null) { 15464 try { 15465 observer.onRemoveCompleted(packageName, succeded); 15466 } catch (RemoteException e) { 15467 Log.i(TAG, "Observer no longer exists."); 15468 } 15469 } //end if observer 15470 } //end run 15471 }); 15472 } 15473 15474 private boolean deleteApplicationCacheFilesLI(String packageName, int userId) { 15475 if (packageName == null) { 15476 Slog.w(TAG, "Attempt to delete null packageName."); 15477 return false; 15478 } 15479 PackageParser.Package p; 15480 synchronized (mPackages) { 15481 p = mPackages.get(packageName); 15482 } 15483 if (p == null) { 15484 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 15485 return false; 15486 } 15487 final ApplicationInfo applicationInfo = p.applicationInfo; 15488 if (applicationInfo == null) { 15489 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 15490 return false; 15491 } 15492 // TODO: triage flags as part of 26466827 15493 final int flags = StorageManager.FLAG_STORAGE_CE | StorageManager.FLAG_STORAGE_DE; 15494 try { 15495 mInstaller.clearAppData(p.volumeUuid, packageName, userId, 15496 flags | Installer.FLAG_CLEAR_CACHE_ONLY); 15497 } catch (InstallerException e) { 15498 Slog.w(TAG, "Couldn't remove cache files for package " 15499 + packageName + " u" + userId, e); 15500 return false; 15501 } 15502 return true; 15503 } 15504 15505 @Override 15506 public void getPackageSizeInfo(final String packageName, int userHandle, 15507 final IPackageStatsObserver observer) { 15508 mContext.enforceCallingOrSelfPermission( 15509 android.Manifest.permission.GET_PACKAGE_SIZE, null); 15510 if (packageName == null) { 15511 throw new IllegalArgumentException("Attempt to get size of null packageName"); 15512 } 15513 15514 PackageStats stats = new PackageStats(packageName, userHandle); 15515 15516 /* 15517 * Queue up an async operation since the package measurement may take a 15518 * little while. 15519 */ 15520 Message msg = mHandler.obtainMessage(INIT_COPY); 15521 msg.obj = new MeasureParams(stats, observer); 15522 mHandler.sendMessage(msg); 15523 } 15524 15525 private boolean getPackageSizeInfoLI(String packageName, int userHandle, 15526 PackageStats pStats) { 15527 if (packageName == null) { 15528 Slog.w(TAG, "Attempt to get size of null packageName."); 15529 return false; 15530 } 15531 PackageParser.Package p; 15532 boolean dataOnly = false; 15533 String libDirRoot = null; 15534 String asecPath = null; 15535 PackageSetting ps = null; 15536 synchronized (mPackages) { 15537 p = mPackages.get(packageName); 15538 ps = mSettings.mPackages.get(packageName); 15539 if(p == null) { 15540 dataOnly = true; 15541 if((ps == null) || (ps.pkg == null)) { 15542 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 15543 return false; 15544 } 15545 p = ps.pkg; 15546 } 15547 if (ps != null) { 15548 libDirRoot = ps.legacyNativeLibraryPathString; 15549 } 15550 if (p != null && (p.isForwardLocked() || p.applicationInfo.isExternalAsec())) { 15551 final long token = Binder.clearCallingIdentity(); 15552 try { 15553 String secureContainerId = cidFromCodePath(p.applicationInfo.getBaseCodePath()); 15554 if (secureContainerId != null) { 15555 asecPath = PackageHelper.getSdFilesystem(secureContainerId); 15556 } 15557 } finally { 15558 Binder.restoreCallingIdentity(token); 15559 } 15560 } 15561 } 15562 String publicSrcDir = null; 15563 if(!dataOnly) { 15564 final ApplicationInfo applicationInfo = p.applicationInfo; 15565 if (applicationInfo == null) { 15566 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 15567 return false; 15568 } 15569 if (p.isForwardLocked()) { 15570 publicSrcDir = applicationInfo.getBaseResourcePath(); 15571 } 15572 } 15573 // TODO: extend to measure size of split APKs 15574 // TODO(multiArch): Extend getSizeInfo to look at the full subdirectory tree, 15575 // not just the first level. 15576 // TODO(multiArch): Extend getSizeInfo to look at *all* instruction sets, not 15577 // just the primary. 15578 String[] dexCodeInstructionSets = getDexCodeInstructionSets(getAppDexInstructionSets(ps)); 15579 15580 String apkPath; 15581 File packageDir = new File(p.codePath); 15582 15583 if (packageDir.isDirectory() && p.canHaveOatDir()) { 15584 apkPath = packageDir.getAbsolutePath(); 15585 // If libDirRoot is inside a package dir, set it to null to avoid it being counted twice 15586 if (libDirRoot != null && libDirRoot.startsWith(apkPath)) { 15587 libDirRoot = null; 15588 } 15589 } else { 15590 apkPath = p.baseCodePath; 15591 } 15592 15593 // TODO: triage flags as part of 26466827 15594 final int flags = StorageManager.FLAG_STORAGE_CE | StorageManager.FLAG_STORAGE_DE; 15595 try { 15596 mInstaller.getAppSize(p.volumeUuid, packageName, userHandle, flags, apkPath, 15597 libDirRoot, publicSrcDir, asecPath, dexCodeInstructionSets, pStats); 15598 } catch (InstallerException e) { 15599 return false; 15600 } 15601 15602 // Fix-up for forward-locked applications in ASEC containers. 15603 if (!isExternal(p)) { 15604 pStats.codeSize += pStats.externalCodeSize; 15605 pStats.externalCodeSize = 0L; 15606 } 15607 15608 return true; 15609 } 15610 15611 private int getUidTargetSdkVersionLockedLPr(int uid) { 15612 Object obj = mSettings.getUserIdLPr(uid); 15613 if (obj instanceof SharedUserSetting) { 15614 final SharedUserSetting sus = (SharedUserSetting) obj; 15615 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 15616 final Iterator<PackageSetting> it = sus.packages.iterator(); 15617 while (it.hasNext()) { 15618 final PackageSetting ps = it.next(); 15619 if (ps.pkg != null) { 15620 int v = ps.pkg.applicationInfo.targetSdkVersion; 15621 if (v < vers) vers = v; 15622 } 15623 } 15624 return vers; 15625 } else if (obj instanceof PackageSetting) { 15626 final PackageSetting ps = (PackageSetting) obj; 15627 if (ps.pkg != null) { 15628 return ps.pkg.applicationInfo.targetSdkVersion; 15629 } 15630 } 15631 return Build.VERSION_CODES.CUR_DEVELOPMENT; 15632 } 15633 15634 @Override 15635 public void addPreferredActivity(IntentFilter filter, int match, 15636 ComponentName[] set, ComponentName activity, int userId) { 15637 addPreferredActivityInternal(filter, match, set, activity, true, userId, 15638 "Adding preferred"); 15639 } 15640 15641 private void addPreferredActivityInternal(IntentFilter filter, int match, 15642 ComponentName[] set, ComponentName activity, boolean always, int userId, 15643 String opname) { 15644 // writer 15645 int callingUid = Binder.getCallingUid(); 15646 enforceCrossUserPermission(callingUid, userId, 15647 true /* requireFullPermission */, false /* checkShell */, "add preferred activity"); 15648 if (filter.countActions() == 0) { 15649 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 15650 return; 15651 } 15652 synchronized (mPackages) { 15653 if (mContext.checkCallingOrSelfPermission( 15654 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 15655 != PackageManager.PERMISSION_GRANTED) { 15656 if (getUidTargetSdkVersionLockedLPr(callingUid) 15657 < Build.VERSION_CODES.FROYO) { 15658 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 15659 + callingUid); 15660 return; 15661 } 15662 mContext.enforceCallingOrSelfPermission( 15663 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 15664 } 15665 15666 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 15667 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 15668 + userId + ":"); 15669 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 15670 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 15671 scheduleWritePackageRestrictionsLocked(userId); 15672 } 15673 } 15674 15675 @Override 15676 public void replacePreferredActivity(IntentFilter filter, int match, 15677 ComponentName[] set, ComponentName activity, int userId) { 15678 if (filter.countActions() != 1) { 15679 throw new IllegalArgumentException( 15680 "replacePreferredActivity expects filter to have only 1 action."); 15681 } 15682 if (filter.countDataAuthorities() != 0 15683 || filter.countDataPaths() != 0 15684 || filter.countDataSchemes() > 1 15685 || filter.countDataTypes() != 0) { 15686 throw new IllegalArgumentException( 15687 "replacePreferredActivity expects filter to have no data authorities, " + 15688 "paths, or types; and at most one scheme."); 15689 } 15690 15691 final int callingUid = Binder.getCallingUid(); 15692 enforceCrossUserPermission(callingUid, userId, 15693 true /* requireFullPermission */, false /* checkShell */, 15694 "replace preferred activity"); 15695 synchronized (mPackages) { 15696 if (mContext.checkCallingOrSelfPermission( 15697 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 15698 != PackageManager.PERMISSION_GRANTED) { 15699 if (getUidTargetSdkVersionLockedLPr(callingUid) 15700 < Build.VERSION_CODES.FROYO) { 15701 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 15702 + Binder.getCallingUid()); 15703 return; 15704 } 15705 mContext.enforceCallingOrSelfPermission( 15706 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 15707 } 15708 15709 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 15710 if (pir != null) { 15711 // Get all of the existing entries that exactly match this filter. 15712 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 15713 if (existing != null && existing.size() == 1) { 15714 PreferredActivity cur = existing.get(0); 15715 if (DEBUG_PREFERRED) { 15716 Slog.i(TAG, "Checking replace of preferred:"); 15717 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 15718 if (!cur.mPref.mAlways) { 15719 Slog.i(TAG, " -- CUR; not mAlways!"); 15720 } else { 15721 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 15722 Slog.i(TAG, " -- CUR: mSet=" 15723 + Arrays.toString(cur.mPref.mSetComponents)); 15724 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 15725 Slog.i(TAG, " -- NEW: mMatch=" 15726 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 15727 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 15728 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 15729 } 15730 } 15731 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 15732 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 15733 && cur.mPref.sameSet(set)) { 15734 // Setting the preferred activity to what it happens to be already 15735 if (DEBUG_PREFERRED) { 15736 Slog.i(TAG, "Replacing with same preferred activity " 15737 + cur.mPref.mShortComponent + " for user " 15738 + userId + ":"); 15739 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 15740 } 15741 return; 15742 } 15743 } 15744 15745 if (existing != null) { 15746 if (DEBUG_PREFERRED) { 15747 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 15748 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 15749 } 15750 for (int i = 0; i < existing.size(); i++) { 15751 PreferredActivity pa = existing.get(i); 15752 if (DEBUG_PREFERRED) { 15753 Slog.i(TAG, "Removing existing preferred activity " 15754 + pa.mPref.mComponent + ":"); 15755 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 15756 } 15757 pir.removeFilter(pa); 15758 } 15759 } 15760 } 15761 addPreferredActivityInternal(filter, match, set, activity, true, userId, 15762 "Replacing preferred"); 15763 } 15764 } 15765 15766 @Override 15767 public void clearPackagePreferredActivities(String packageName) { 15768 final int uid = Binder.getCallingUid(); 15769 // writer 15770 synchronized (mPackages) { 15771 PackageParser.Package pkg = mPackages.get(packageName); 15772 if (pkg == null || pkg.applicationInfo.uid != uid) { 15773 if (mContext.checkCallingOrSelfPermission( 15774 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 15775 != PackageManager.PERMISSION_GRANTED) { 15776 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 15777 < Build.VERSION_CODES.FROYO) { 15778 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 15779 + Binder.getCallingUid()); 15780 return; 15781 } 15782 mContext.enforceCallingOrSelfPermission( 15783 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 15784 } 15785 } 15786 15787 int user = UserHandle.getCallingUserId(); 15788 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 15789 scheduleWritePackageRestrictionsLocked(user); 15790 } 15791 } 15792 } 15793 15794 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 15795 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 15796 ArrayList<PreferredActivity> removed = null; 15797 boolean changed = false; 15798 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 15799 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 15800 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 15801 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 15802 continue; 15803 } 15804 Iterator<PreferredActivity> it = pir.filterIterator(); 15805 while (it.hasNext()) { 15806 PreferredActivity pa = it.next(); 15807 // Mark entry for removal only if it matches the package name 15808 // and the entry is of type "always". 15809 if (packageName == null || 15810 (pa.mPref.mComponent.getPackageName().equals(packageName) 15811 && pa.mPref.mAlways)) { 15812 if (removed == null) { 15813 removed = new ArrayList<PreferredActivity>(); 15814 } 15815 removed.add(pa); 15816 } 15817 } 15818 if (removed != null) { 15819 for (int j=0; j<removed.size(); j++) { 15820 PreferredActivity pa = removed.get(j); 15821 pir.removeFilter(pa); 15822 } 15823 changed = true; 15824 } 15825 } 15826 return changed; 15827 } 15828 15829 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 15830 private void clearIntentFilterVerificationsLPw(int userId) { 15831 final int packageCount = mPackages.size(); 15832 for (int i = 0; i < packageCount; i++) { 15833 PackageParser.Package pkg = mPackages.valueAt(i); 15834 clearIntentFilterVerificationsLPw(pkg.packageName, userId); 15835 } 15836 } 15837 15838 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 15839 void clearIntentFilterVerificationsLPw(String packageName, int userId) { 15840 if (userId == UserHandle.USER_ALL) { 15841 if (mSettings.removeIntentFilterVerificationLPw(packageName, 15842 sUserManager.getUserIds())) { 15843 for (int oneUserId : sUserManager.getUserIds()) { 15844 scheduleWritePackageRestrictionsLocked(oneUserId); 15845 } 15846 } 15847 } else { 15848 if (mSettings.removeIntentFilterVerificationLPw(packageName, userId)) { 15849 scheduleWritePackageRestrictionsLocked(userId); 15850 } 15851 } 15852 } 15853 15854 void clearDefaultBrowserIfNeeded(String packageName) { 15855 for (int oneUserId : sUserManager.getUserIds()) { 15856 String defaultBrowserPackageName = getDefaultBrowserPackageName(oneUserId); 15857 if (TextUtils.isEmpty(defaultBrowserPackageName)) continue; 15858 if (packageName.equals(defaultBrowserPackageName)) { 15859 setDefaultBrowserPackageName(null, oneUserId); 15860 } 15861 } 15862 } 15863 15864 @Override 15865 public void resetApplicationPreferences(int userId) { 15866 mContext.enforceCallingOrSelfPermission( 15867 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 15868 // writer 15869 synchronized (mPackages) { 15870 final long identity = Binder.clearCallingIdentity(); 15871 try { 15872 clearPackagePreferredActivitiesLPw(null, userId); 15873 mSettings.applyDefaultPreferredAppsLPw(this, userId); 15874 // TODO: We have to reset the default SMS and Phone. This requires 15875 // significant refactoring to keep all default apps in the package 15876 // manager (cleaner but more work) or have the services provide 15877 // callbacks to the package manager to request a default app reset. 15878 applyFactoryDefaultBrowserLPw(userId); 15879 clearIntentFilterVerificationsLPw(userId); 15880 primeDomainVerificationsLPw(userId); 15881 resetUserChangesToRuntimePermissionsAndFlagsLPw(userId); 15882 scheduleWritePackageRestrictionsLocked(userId); 15883 } finally { 15884 Binder.restoreCallingIdentity(identity); 15885 } 15886 } 15887 } 15888 15889 @Override 15890 public int getPreferredActivities(List<IntentFilter> outFilters, 15891 List<ComponentName> outActivities, String packageName) { 15892 15893 int num = 0; 15894 final int userId = UserHandle.getCallingUserId(); 15895 // reader 15896 synchronized (mPackages) { 15897 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 15898 if (pir != null) { 15899 final Iterator<PreferredActivity> it = pir.filterIterator(); 15900 while (it.hasNext()) { 15901 final PreferredActivity pa = it.next(); 15902 if (packageName == null 15903 || (pa.mPref.mComponent.getPackageName().equals(packageName) 15904 && pa.mPref.mAlways)) { 15905 if (outFilters != null) { 15906 outFilters.add(new IntentFilter(pa)); 15907 } 15908 if (outActivities != null) { 15909 outActivities.add(pa.mPref.mComponent); 15910 } 15911 } 15912 } 15913 } 15914 } 15915 15916 return num; 15917 } 15918 15919 @Override 15920 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 15921 int userId) { 15922 int callingUid = Binder.getCallingUid(); 15923 if (callingUid != Process.SYSTEM_UID) { 15924 throw new SecurityException( 15925 "addPersistentPreferredActivity can only be run by the system"); 15926 } 15927 if (filter.countActions() == 0) { 15928 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 15929 return; 15930 } 15931 synchronized (mPackages) { 15932 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 15933 ":"); 15934 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 15935 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 15936 new PersistentPreferredActivity(filter, activity)); 15937 scheduleWritePackageRestrictionsLocked(userId); 15938 } 15939 } 15940 15941 @Override 15942 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 15943 int callingUid = Binder.getCallingUid(); 15944 if (callingUid != Process.SYSTEM_UID) { 15945 throw new SecurityException( 15946 "clearPackagePersistentPreferredActivities can only be run by the system"); 15947 } 15948 ArrayList<PersistentPreferredActivity> removed = null; 15949 boolean changed = false; 15950 synchronized (mPackages) { 15951 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 15952 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 15953 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 15954 .valueAt(i); 15955 if (userId != thisUserId) { 15956 continue; 15957 } 15958 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 15959 while (it.hasNext()) { 15960 PersistentPreferredActivity ppa = it.next(); 15961 // Mark entry for removal only if it matches the package name. 15962 if (ppa.mComponent.getPackageName().equals(packageName)) { 15963 if (removed == null) { 15964 removed = new ArrayList<PersistentPreferredActivity>(); 15965 } 15966 removed.add(ppa); 15967 } 15968 } 15969 if (removed != null) { 15970 for (int j=0; j<removed.size(); j++) { 15971 PersistentPreferredActivity ppa = removed.get(j); 15972 ppir.removeFilter(ppa); 15973 } 15974 changed = true; 15975 } 15976 } 15977 15978 if (changed) { 15979 scheduleWritePackageRestrictionsLocked(userId); 15980 } 15981 } 15982 } 15983 15984 /** 15985 * Common machinery for picking apart a restored XML blob and passing 15986 * it to a caller-supplied functor to be applied to the running system. 15987 */ 15988 private void restoreFromXml(XmlPullParser parser, int userId, 15989 String expectedStartTag, BlobXmlRestorer functor) 15990 throws IOException, XmlPullParserException { 15991 int type; 15992 while ((type = parser.next()) != XmlPullParser.START_TAG 15993 && type != XmlPullParser.END_DOCUMENT) { 15994 } 15995 if (type != XmlPullParser.START_TAG) { 15996 // oops didn't find a start tag?! 15997 if (DEBUG_BACKUP) { 15998 Slog.e(TAG, "Didn't find start tag during restore"); 15999 } 16000 return; 16001 } 16002Slog.v(TAG, ":: restoreFromXml() : got to tag " + parser.getName()); 16003 // this is supposed to be TAG_PREFERRED_BACKUP 16004 if (!expectedStartTag.equals(parser.getName())) { 16005 if (DEBUG_BACKUP) { 16006 Slog.e(TAG, "Found unexpected tag " + parser.getName()); 16007 } 16008 return; 16009 } 16010 16011 // skip interfering stuff, then we're aligned with the backing implementation 16012 while ((type = parser.next()) == XmlPullParser.TEXT) { } 16013Slog.v(TAG, ":: stepped forward, applying functor at tag " + parser.getName()); 16014 functor.apply(parser, userId); 16015 } 16016 16017 private interface BlobXmlRestorer { 16018 public void apply(XmlPullParser parser, int userId) throws IOException, XmlPullParserException; 16019 } 16020 16021 /** 16022 * Non-Binder method, support for the backup/restore mechanism: write the 16023 * full set of preferred activities in its canonical XML format. Returns the 16024 * XML output as a byte array, or null if there is none. 16025 */ 16026 @Override 16027 public byte[] getPreferredActivityBackup(int userId) { 16028 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16029 throw new SecurityException("Only the system may call getPreferredActivityBackup()"); 16030 } 16031 16032 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 16033 try { 16034 final XmlSerializer serializer = new FastXmlSerializer(); 16035 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 16036 serializer.startDocument(null, true); 16037 serializer.startTag(null, TAG_PREFERRED_BACKUP); 16038 16039 synchronized (mPackages) { 16040 mSettings.writePreferredActivitiesLPr(serializer, userId, true); 16041 } 16042 16043 serializer.endTag(null, TAG_PREFERRED_BACKUP); 16044 serializer.endDocument(); 16045 serializer.flush(); 16046 } catch (Exception e) { 16047 if (DEBUG_BACKUP) { 16048 Slog.e(TAG, "Unable to write preferred activities for backup", e); 16049 } 16050 return null; 16051 } 16052 16053 return dataStream.toByteArray(); 16054 } 16055 16056 @Override 16057 public void restorePreferredActivities(byte[] backup, int userId) { 16058 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16059 throw new SecurityException("Only the system may call restorePreferredActivities()"); 16060 } 16061 16062 try { 16063 final XmlPullParser parser = Xml.newPullParser(); 16064 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 16065 restoreFromXml(parser, userId, TAG_PREFERRED_BACKUP, 16066 new BlobXmlRestorer() { 16067 @Override 16068 public void apply(XmlPullParser parser, int userId) 16069 throws XmlPullParserException, IOException { 16070 synchronized (mPackages) { 16071 mSettings.readPreferredActivitiesLPw(parser, userId); 16072 } 16073 } 16074 } ); 16075 } catch (Exception e) { 16076 if (DEBUG_BACKUP) { 16077 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 16078 } 16079 } 16080 } 16081 16082 /** 16083 * Non-Binder method, support for the backup/restore mechanism: write the 16084 * default browser (etc) settings in its canonical XML format. Returns the default 16085 * browser XML representation as a byte array, or null if there is none. 16086 */ 16087 @Override 16088 public byte[] getDefaultAppsBackup(int userId) { 16089 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16090 throw new SecurityException("Only the system may call getDefaultAppsBackup()"); 16091 } 16092 16093 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 16094 try { 16095 final XmlSerializer serializer = new FastXmlSerializer(); 16096 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 16097 serializer.startDocument(null, true); 16098 serializer.startTag(null, TAG_DEFAULT_APPS); 16099 16100 synchronized (mPackages) { 16101 mSettings.writeDefaultAppsLPr(serializer, userId); 16102 } 16103 16104 serializer.endTag(null, TAG_DEFAULT_APPS); 16105 serializer.endDocument(); 16106 serializer.flush(); 16107 } catch (Exception e) { 16108 if (DEBUG_BACKUP) { 16109 Slog.e(TAG, "Unable to write default apps for backup", e); 16110 } 16111 return null; 16112 } 16113 16114 return dataStream.toByteArray(); 16115 } 16116 16117 @Override 16118 public void restoreDefaultApps(byte[] backup, int userId) { 16119 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16120 throw new SecurityException("Only the system may call restoreDefaultApps()"); 16121 } 16122 16123 try { 16124 final XmlPullParser parser = Xml.newPullParser(); 16125 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 16126 restoreFromXml(parser, userId, TAG_DEFAULT_APPS, 16127 new BlobXmlRestorer() { 16128 @Override 16129 public void apply(XmlPullParser parser, int userId) 16130 throws XmlPullParserException, IOException { 16131 synchronized (mPackages) { 16132 mSettings.readDefaultAppsLPw(parser, userId); 16133 } 16134 } 16135 } ); 16136 } catch (Exception e) { 16137 if (DEBUG_BACKUP) { 16138 Slog.e(TAG, "Exception restoring default apps: " + e.getMessage()); 16139 } 16140 } 16141 } 16142 16143 @Override 16144 public byte[] getIntentFilterVerificationBackup(int userId) { 16145 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16146 throw new SecurityException("Only the system may call getIntentFilterVerificationBackup()"); 16147 } 16148 16149 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 16150 try { 16151 final XmlSerializer serializer = new FastXmlSerializer(); 16152 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 16153 serializer.startDocument(null, true); 16154 serializer.startTag(null, TAG_INTENT_FILTER_VERIFICATION); 16155 16156 synchronized (mPackages) { 16157 mSettings.writeAllDomainVerificationsLPr(serializer, userId); 16158 } 16159 16160 serializer.endTag(null, TAG_INTENT_FILTER_VERIFICATION); 16161 serializer.endDocument(); 16162 serializer.flush(); 16163 } catch (Exception e) { 16164 if (DEBUG_BACKUP) { 16165 Slog.e(TAG, "Unable to write default apps for backup", e); 16166 } 16167 return null; 16168 } 16169 16170 return dataStream.toByteArray(); 16171 } 16172 16173 @Override 16174 public void restoreIntentFilterVerification(byte[] backup, int userId) { 16175 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16176 throw new SecurityException("Only the system may call restorePreferredActivities()"); 16177 } 16178 16179 try { 16180 final XmlPullParser parser = Xml.newPullParser(); 16181 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 16182 restoreFromXml(parser, userId, TAG_INTENT_FILTER_VERIFICATION, 16183 new BlobXmlRestorer() { 16184 @Override 16185 public void apply(XmlPullParser parser, int userId) 16186 throws XmlPullParserException, IOException { 16187 synchronized (mPackages) { 16188 mSettings.readAllDomainVerificationsLPr(parser, userId); 16189 mSettings.writeLPr(); 16190 } 16191 } 16192 } ); 16193 } catch (Exception e) { 16194 if (DEBUG_BACKUP) { 16195 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 16196 } 16197 } 16198 } 16199 16200 @Override 16201 public byte[] getPermissionGrantBackup(int userId) { 16202 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16203 throw new SecurityException("Only the system may call getPermissionGrantBackup()"); 16204 } 16205 16206 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 16207 try { 16208 final XmlSerializer serializer = new FastXmlSerializer(); 16209 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 16210 serializer.startDocument(null, true); 16211 serializer.startTag(null, TAG_PERMISSION_BACKUP); 16212 16213 synchronized (mPackages) { 16214 serializeRuntimePermissionGrantsLPr(serializer, userId); 16215 } 16216 16217 serializer.endTag(null, TAG_PERMISSION_BACKUP); 16218 serializer.endDocument(); 16219 serializer.flush(); 16220 } catch (Exception e) { 16221 if (DEBUG_BACKUP) { 16222 Slog.e(TAG, "Unable to write default apps for backup", e); 16223 } 16224 return null; 16225 } 16226 16227 return dataStream.toByteArray(); 16228 } 16229 16230 @Override 16231 public void restorePermissionGrants(byte[] backup, int userId) { 16232 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16233 throw new SecurityException("Only the system may call restorePermissionGrants()"); 16234 } 16235 16236 try { 16237 final XmlPullParser parser = Xml.newPullParser(); 16238 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 16239 restoreFromXml(parser, userId, TAG_PERMISSION_BACKUP, 16240 new BlobXmlRestorer() { 16241 @Override 16242 public void apply(XmlPullParser parser, int userId) 16243 throws XmlPullParserException, IOException { 16244 synchronized (mPackages) { 16245 processRestoredPermissionGrantsLPr(parser, userId); 16246 } 16247 } 16248 } ); 16249 } catch (Exception e) { 16250 if (DEBUG_BACKUP) { 16251 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 16252 } 16253 } 16254 } 16255 16256 private void serializeRuntimePermissionGrantsLPr(XmlSerializer serializer, final int userId) 16257 throws IOException { 16258 serializer.startTag(null, TAG_ALL_GRANTS); 16259 16260 final int N = mSettings.mPackages.size(); 16261 for (int i = 0; i < N; i++) { 16262 final PackageSetting ps = mSettings.mPackages.valueAt(i); 16263 boolean pkgGrantsKnown = false; 16264 16265 PermissionsState packagePerms = ps.getPermissionsState(); 16266 16267 for (PermissionState state : packagePerms.getRuntimePermissionStates(userId)) { 16268 final int grantFlags = state.getFlags(); 16269 // only look at grants that are not system/policy fixed 16270 if ((grantFlags & SYSTEM_RUNTIME_GRANT_MASK) == 0) { 16271 final boolean isGranted = state.isGranted(); 16272 // And only back up the user-twiddled state bits 16273 if (isGranted || (grantFlags & USER_RUNTIME_GRANT_MASK) != 0) { 16274 final String packageName = mSettings.mPackages.keyAt(i); 16275 if (!pkgGrantsKnown) { 16276 serializer.startTag(null, TAG_GRANT); 16277 serializer.attribute(null, ATTR_PACKAGE_NAME, packageName); 16278 pkgGrantsKnown = true; 16279 } 16280 16281 final boolean userSet = 16282 (grantFlags & FLAG_PERMISSION_USER_SET) != 0; 16283 final boolean userFixed = 16284 (grantFlags & FLAG_PERMISSION_USER_FIXED) != 0; 16285 final boolean revoke = 16286 (grantFlags & FLAG_PERMISSION_REVOKE_ON_UPGRADE) != 0; 16287 16288 serializer.startTag(null, TAG_PERMISSION); 16289 serializer.attribute(null, ATTR_PERMISSION_NAME, state.getName()); 16290 if (isGranted) { 16291 serializer.attribute(null, ATTR_IS_GRANTED, "true"); 16292 } 16293 if (userSet) { 16294 serializer.attribute(null, ATTR_USER_SET, "true"); 16295 } 16296 if (userFixed) { 16297 serializer.attribute(null, ATTR_USER_FIXED, "true"); 16298 } 16299 if (revoke) { 16300 serializer.attribute(null, ATTR_REVOKE_ON_UPGRADE, "true"); 16301 } 16302 serializer.endTag(null, TAG_PERMISSION); 16303 } 16304 } 16305 } 16306 16307 if (pkgGrantsKnown) { 16308 serializer.endTag(null, TAG_GRANT); 16309 } 16310 } 16311 16312 serializer.endTag(null, TAG_ALL_GRANTS); 16313 } 16314 16315 private void processRestoredPermissionGrantsLPr(XmlPullParser parser, int userId) 16316 throws XmlPullParserException, IOException { 16317 String pkgName = null; 16318 int outerDepth = parser.getDepth(); 16319 int type; 16320 while ((type = parser.next()) != XmlPullParser.END_DOCUMENT 16321 && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 16322 if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 16323 continue; 16324 } 16325 16326 final String tagName = parser.getName(); 16327 if (tagName.equals(TAG_GRANT)) { 16328 pkgName = parser.getAttributeValue(null, ATTR_PACKAGE_NAME); 16329 if (DEBUG_BACKUP) { 16330 Slog.v(TAG, "+++ Restoring grants for package " + pkgName); 16331 } 16332 } else if (tagName.equals(TAG_PERMISSION)) { 16333 16334 final boolean isGranted = "true".equals(parser.getAttributeValue(null, ATTR_IS_GRANTED)); 16335 final String permName = parser.getAttributeValue(null, ATTR_PERMISSION_NAME); 16336 16337 int newFlagSet = 0; 16338 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_SET))) { 16339 newFlagSet |= FLAG_PERMISSION_USER_SET; 16340 } 16341 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_FIXED))) { 16342 newFlagSet |= FLAG_PERMISSION_USER_FIXED; 16343 } 16344 if ("true".equals(parser.getAttributeValue(null, ATTR_REVOKE_ON_UPGRADE))) { 16345 newFlagSet |= FLAG_PERMISSION_REVOKE_ON_UPGRADE; 16346 } 16347 if (DEBUG_BACKUP) { 16348 Slog.v(TAG, " + Restoring grant: pkg=" + pkgName + " perm=" + permName 16349 + " granted=" + isGranted + " bits=0x" + Integer.toHexString(newFlagSet)); 16350 } 16351 final PackageSetting ps = mSettings.mPackages.get(pkgName); 16352 if (ps != null) { 16353 // Already installed so we apply the grant immediately 16354 if (DEBUG_BACKUP) { 16355 Slog.v(TAG, " + already installed; applying"); 16356 } 16357 PermissionsState perms = ps.getPermissionsState(); 16358 BasePermission bp = mSettings.mPermissions.get(permName); 16359 if (bp != null) { 16360 if (isGranted) { 16361 perms.grantRuntimePermission(bp, userId); 16362 } 16363 if (newFlagSet != 0) { 16364 perms.updatePermissionFlags(bp, userId, USER_RUNTIME_GRANT_MASK, newFlagSet); 16365 } 16366 } 16367 } else { 16368 // Need to wait for post-restore install to apply the grant 16369 if (DEBUG_BACKUP) { 16370 Slog.v(TAG, " - not yet installed; saving for later"); 16371 } 16372 mSettings.processRestoredPermissionGrantLPr(pkgName, permName, 16373 isGranted, newFlagSet, userId); 16374 } 16375 } else { 16376 PackageManagerService.reportSettingsProblem(Log.WARN, 16377 "Unknown element under <" + TAG_PERMISSION_BACKUP + ">: " + tagName); 16378 XmlUtils.skipCurrentTag(parser); 16379 } 16380 } 16381 16382 scheduleWriteSettingsLocked(); 16383 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 16384 } 16385 16386 @Override 16387 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 16388 int sourceUserId, int targetUserId, int flags) { 16389 mContext.enforceCallingOrSelfPermission( 16390 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 16391 int callingUid = Binder.getCallingUid(); 16392 enforceOwnerRights(ownerPackage, callingUid); 16393 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 16394 if (intentFilter.countActions() == 0) { 16395 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 16396 return; 16397 } 16398 synchronized (mPackages) { 16399 CrossProfileIntentFilter newFilter = new CrossProfileIntentFilter(intentFilter, 16400 ownerPackage, targetUserId, flags); 16401 CrossProfileIntentResolver resolver = 16402 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 16403 ArrayList<CrossProfileIntentFilter> existing = resolver.findFilters(intentFilter); 16404 // We have all those whose filter is equal. Now checking if the rest is equal as well. 16405 if (existing != null) { 16406 int size = existing.size(); 16407 for (int i = 0; i < size; i++) { 16408 if (newFilter.equalsIgnoreFilter(existing.get(i))) { 16409 return; 16410 } 16411 } 16412 } 16413 resolver.addFilter(newFilter); 16414 scheduleWritePackageRestrictionsLocked(sourceUserId); 16415 } 16416 } 16417 16418 @Override 16419 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage) { 16420 mContext.enforceCallingOrSelfPermission( 16421 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 16422 int callingUid = Binder.getCallingUid(); 16423 enforceOwnerRights(ownerPackage, callingUid); 16424 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 16425 synchronized (mPackages) { 16426 CrossProfileIntentResolver resolver = 16427 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 16428 ArraySet<CrossProfileIntentFilter> set = 16429 new ArraySet<CrossProfileIntentFilter>(resolver.filterSet()); 16430 for (CrossProfileIntentFilter filter : set) { 16431 if (filter.getOwnerPackage().equals(ownerPackage)) { 16432 resolver.removeFilter(filter); 16433 } 16434 } 16435 scheduleWritePackageRestrictionsLocked(sourceUserId); 16436 } 16437 } 16438 16439 // Enforcing that callingUid is owning pkg on userId 16440 private void enforceOwnerRights(String pkg, int callingUid) { 16441 // The system owns everything. 16442 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 16443 return; 16444 } 16445 int callingUserId = UserHandle.getUserId(callingUid); 16446 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 16447 if (pi == null) { 16448 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 16449 + callingUserId); 16450 } 16451 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 16452 throw new SecurityException("Calling uid " + callingUid 16453 + " does not own package " + pkg); 16454 } 16455 } 16456 16457 @Override 16458 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 16459 return getHomeActivitiesAsUser(allHomeCandidates, UserHandle.getCallingUserId()); 16460 } 16461 16462 private Intent getHomeIntent() { 16463 Intent intent = new Intent(Intent.ACTION_MAIN); 16464 intent.addCategory(Intent.CATEGORY_HOME); 16465 return intent; 16466 } 16467 16468 private IntentFilter getHomeFilter() { 16469 IntentFilter filter = new IntentFilter(Intent.ACTION_MAIN); 16470 filter.addCategory(Intent.CATEGORY_HOME); 16471 filter.addCategory(Intent.CATEGORY_DEFAULT); 16472 return filter; 16473 } 16474 16475 ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 16476 int userId) { 16477 Intent intent = getHomeIntent(); 16478 List<ResolveInfo> list = queryIntentActivitiesInternal(intent, null, 16479 PackageManager.GET_META_DATA, userId); 16480 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 16481 true, false, false, userId); 16482 16483 allHomeCandidates.clear(); 16484 if (list != null) { 16485 for (ResolveInfo ri : list) { 16486 allHomeCandidates.add(ri); 16487 } 16488 } 16489 return (preferred == null || preferred.activityInfo == null) 16490 ? null 16491 : new ComponentName(preferred.activityInfo.packageName, 16492 preferred.activityInfo.name); 16493 } 16494 16495 @Override 16496 public void setHomeActivity(ComponentName comp, int userId) { 16497 ArrayList<ResolveInfo> homeActivities = new ArrayList<>(); 16498 getHomeActivitiesAsUser(homeActivities, userId); 16499 16500 boolean found = false; 16501 16502 final int size = homeActivities.size(); 16503 final ComponentName[] set = new ComponentName[size]; 16504 for (int i = 0; i < size; i++) { 16505 final ResolveInfo candidate = homeActivities.get(i); 16506 final ActivityInfo info = candidate.activityInfo; 16507 final ComponentName activityName = new ComponentName(info.packageName, info.name); 16508 set[i] = activityName; 16509 if (!found && activityName.equals(comp)) { 16510 found = true; 16511 } 16512 } 16513 if (!found) { 16514 throw new IllegalArgumentException("Component " + comp + " cannot be home on user " 16515 + userId); 16516 } 16517 replacePreferredActivity(getHomeFilter(), IntentFilter.MATCH_CATEGORY_EMPTY, 16518 set, comp, userId); 16519 } 16520 16521 @Override 16522 public void setApplicationEnabledSetting(String appPackageName, 16523 int newState, int flags, int userId, String callingPackage) { 16524 if (!sUserManager.exists(userId)) return; 16525 if (callingPackage == null) { 16526 callingPackage = Integer.toString(Binder.getCallingUid()); 16527 } 16528 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 16529 } 16530 16531 @Override 16532 public void setComponentEnabledSetting(ComponentName componentName, 16533 int newState, int flags, int userId) { 16534 if (!sUserManager.exists(userId)) return; 16535 setEnabledSetting(componentName.getPackageName(), 16536 componentName.getClassName(), newState, flags, userId, null); 16537 } 16538 16539 private void setEnabledSetting(final String packageName, String className, int newState, 16540 final int flags, int userId, String callingPackage) { 16541 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 16542 || newState == COMPONENT_ENABLED_STATE_ENABLED 16543 || newState == COMPONENT_ENABLED_STATE_DISABLED 16544 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 16545 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 16546 throw new IllegalArgumentException("Invalid new component state: " 16547 + newState); 16548 } 16549 PackageSetting pkgSetting; 16550 final int uid = Binder.getCallingUid(); 16551 final int permission = mContext.checkCallingOrSelfPermission( 16552 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 16553 enforceCrossUserPermission(uid, userId, 16554 false /* requireFullPermission */, true /* checkShell */, "set enabled"); 16555 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 16556 boolean sendNow = false; 16557 boolean isApp = (className == null); 16558 String componentName = isApp ? packageName : className; 16559 int packageUid = -1; 16560 ArrayList<String> components; 16561 16562 // writer 16563 synchronized (mPackages) { 16564 pkgSetting = mSettings.mPackages.get(packageName); 16565 if (pkgSetting == null) { 16566 if (className == null) { 16567 throw new IllegalArgumentException("Unknown package: " + packageName); 16568 } 16569 throw new IllegalArgumentException( 16570 "Unknown component: " + packageName + "/" + className); 16571 } 16572 // Allow root and verify that userId is not being specified by a different user 16573 if (!allowedByPermission && !UserHandle.isSameApp(uid, pkgSetting.appId)) { 16574 throw new SecurityException( 16575 "Permission Denial: attempt to change component state from pid=" 16576 + Binder.getCallingPid() 16577 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 16578 } 16579 if (className == null) { 16580 // We're dealing with an application/package level state change 16581 if (pkgSetting.getEnabled(userId) == newState) { 16582 // Nothing to do 16583 return; 16584 } 16585 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 16586 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 16587 // Don't care about who enables an app. 16588 callingPackage = null; 16589 } 16590 pkgSetting.setEnabled(newState, userId, callingPackage); 16591 // pkgSetting.pkg.mSetEnabled = newState; 16592 } else { 16593 // We're dealing with a component level state change 16594 // First, verify that this is a valid class name. 16595 PackageParser.Package pkg = pkgSetting.pkg; 16596 if (pkg == null || !pkg.hasComponentClassName(className)) { 16597 if (pkg != null && 16598 pkg.applicationInfo.targetSdkVersion >= 16599 Build.VERSION_CODES.JELLY_BEAN) { 16600 throw new IllegalArgumentException("Component class " + className 16601 + " does not exist in " + packageName); 16602 } else { 16603 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 16604 + className + " does not exist in " + packageName); 16605 } 16606 } 16607 switch (newState) { 16608 case COMPONENT_ENABLED_STATE_ENABLED: 16609 if (!pkgSetting.enableComponentLPw(className, userId)) { 16610 return; 16611 } 16612 break; 16613 case COMPONENT_ENABLED_STATE_DISABLED: 16614 if (!pkgSetting.disableComponentLPw(className, userId)) { 16615 return; 16616 } 16617 break; 16618 case COMPONENT_ENABLED_STATE_DEFAULT: 16619 if (!pkgSetting.restoreComponentLPw(className, userId)) { 16620 return; 16621 } 16622 break; 16623 default: 16624 Slog.e(TAG, "Invalid new component state: " + newState); 16625 return; 16626 } 16627 } 16628 scheduleWritePackageRestrictionsLocked(userId); 16629 components = mPendingBroadcasts.get(userId, packageName); 16630 final boolean newPackage = components == null; 16631 if (newPackage) { 16632 components = new ArrayList<String>(); 16633 } 16634 if (!components.contains(componentName)) { 16635 components.add(componentName); 16636 } 16637 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 16638 sendNow = true; 16639 // Purge entry from pending broadcast list if another one exists already 16640 // since we are sending one right away. 16641 mPendingBroadcasts.remove(userId, packageName); 16642 } else { 16643 if (newPackage) { 16644 mPendingBroadcasts.put(userId, packageName, components); 16645 } 16646 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 16647 // Schedule a message 16648 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 16649 } 16650 } 16651 } 16652 16653 long callingId = Binder.clearCallingIdentity(); 16654 try { 16655 if (sendNow) { 16656 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 16657 sendPackageChangedBroadcast(packageName, 16658 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 16659 } 16660 } finally { 16661 Binder.restoreCallingIdentity(callingId); 16662 } 16663 } 16664 16665 @Override 16666 public void flushPackageRestrictionsAsUser(int userId) { 16667 if (!sUserManager.exists(userId)) { 16668 return; 16669 } 16670 enforceCrossUserPermission(Binder.getCallingUid(), userId, false /* requireFullPermission*/, 16671 false /* checkShell */, "flushPackageRestrictions"); 16672 synchronized (mPackages) { 16673 mSettings.writePackageRestrictionsLPr(userId); 16674 mDirtyUsers.remove(userId); 16675 if (mDirtyUsers.isEmpty()) { 16676 mHandler.removeMessages(WRITE_PACKAGE_RESTRICTIONS); 16677 } 16678 } 16679 } 16680 16681 private void sendPackageChangedBroadcast(String packageName, 16682 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 16683 if (DEBUG_INSTALL) 16684 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 16685 + componentNames); 16686 Bundle extras = new Bundle(4); 16687 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 16688 String nameList[] = new String[componentNames.size()]; 16689 componentNames.toArray(nameList); 16690 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 16691 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 16692 extras.putInt(Intent.EXTRA_UID, packageUid); 16693 // If this is not reporting a change of the overall package, then only send it 16694 // to registered receivers. We don't want to launch a swath of apps for every 16695 // little component state change. 16696 final int flags = !componentNames.contains(packageName) 16697 ? Intent.FLAG_RECEIVER_REGISTERED_ONLY : 0; 16698 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, flags, null, null, 16699 new int[] {UserHandle.getUserId(packageUid)}); 16700 } 16701 16702 @Override 16703 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 16704 if (!sUserManager.exists(userId)) return; 16705 final int uid = Binder.getCallingUid(); 16706 final int permission = mContext.checkCallingOrSelfPermission( 16707 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 16708 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 16709 enforceCrossUserPermission(uid, userId, 16710 true /* requireFullPermission */, true /* checkShell */, "stop package"); 16711 // writer 16712 synchronized (mPackages) { 16713 if (mSettings.setPackageStoppedStateLPw(this, packageName, stopped, 16714 allowedByPermission, uid, userId)) { 16715 scheduleWritePackageRestrictionsLocked(userId); 16716 } 16717 } 16718 } 16719 16720 @Override 16721 public String getInstallerPackageName(String packageName) { 16722 // reader 16723 synchronized (mPackages) { 16724 return mSettings.getInstallerPackageNameLPr(packageName); 16725 } 16726 } 16727 16728 @Override 16729 public int getApplicationEnabledSetting(String packageName, int userId) { 16730 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 16731 int uid = Binder.getCallingUid(); 16732 enforceCrossUserPermission(uid, userId, 16733 false /* requireFullPermission */, false /* checkShell */, "get enabled"); 16734 // reader 16735 synchronized (mPackages) { 16736 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 16737 } 16738 } 16739 16740 @Override 16741 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 16742 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 16743 int uid = Binder.getCallingUid(); 16744 enforceCrossUserPermission(uid, userId, 16745 false /* requireFullPermission */, false /* checkShell */, "get component enabled"); 16746 // reader 16747 synchronized (mPackages) { 16748 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 16749 } 16750 } 16751 16752 @Override 16753 public void enterSafeMode() { 16754 enforceSystemOrRoot("Only the system can request entering safe mode"); 16755 16756 if (!mSystemReady) { 16757 mSafeMode = true; 16758 } 16759 } 16760 16761 @Override 16762 public void systemReady() { 16763 mSystemReady = true; 16764 16765 // Read the compatibilty setting when the system is ready. 16766 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 16767 mContext.getContentResolver(), 16768 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 16769 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 16770 if (DEBUG_SETTINGS) { 16771 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 16772 } 16773 16774 int[] grantPermissionsUserIds = EMPTY_INT_ARRAY; 16775 16776 synchronized (mPackages) { 16777 // Verify that all of the preferred activity components actually 16778 // exist. It is possible for applications to be updated and at 16779 // that point remove a previously declared activity component that 16780 // had been set as a preferred activity. We try to clean this up 16781 // the next time we encounter that preferred activity, but it is 16782 // possible for the user flow to never be able to return to that 16783 // situation so here we do a sanity check to make sure we haven't 16784 // left any junk around. 16785 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 16786 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 16787 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 16788 removed.clear(); 16789 for (PreferredActivity pa : pir.filterSet()) { 16790 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 16791 removed.add(pa); 16792 } 16793 } 16794 if (removed.size() > 0) { 16795 for (int r=0; r<removed.size(); r++) { 16796 PreferredActivity pa = removed.get(r); 16797 Slog.w(TAG, "Removing dangling preferred activity: " 16798 + pa.mPref.mComponent); 16799 pir.removeFilter(pa); 16800 } 16801 mSettings.writePackageRestrictionsLPr( 16802 mSettings.mPreferredActivities.keyAt(i)); 16803 } 16804 } 16805 16806 for (int userId : UserManagerService.getInstance().getUserIds()) { 16807 if (!mSettings.areDefaultRuntimePermissionsGrantedLPr(userId)) { 16808 grantPermissionsUserIds = ArrayUtils.appendInt( 16809 grantPermissionsUserIds, userId); 16810 } 16811 } 16812 } 16813 sUserManager.systemReady(); 16814 16815 // If we upgraded grant all default permissions before kicking off. 16816 for (int userId : grantPermissionsUserIds) { 16817 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 16818 } 16819 16820 // Kick off any messages waiting for system ready 16821 if (mPostSystemReadyMessages != null) { 16822 for (Message msg : mPostSystemReadyMessages) { 16823 msg.sendToTarget(); 16824 } 16825 mPostSystemReadyMessages = null; 16826 } 16827 16828 // Watch for external volumes that come and go over time 16829 final StorageManager storage = mContext.getSystemService(StorageManager.class); 16830 storage.registerListener(mStorageListener); 16831 16832 mInstallerService.systemReady(); 16833 mPackageDexOptimizer.systemReady(); 16834 16835 MountServiceInternal mountServiceInternal = LocalServices.getService( 16836 MountServiceInternal.class); 16837 mountServiceInternal.addExternalStoragePolicy( 16838 new MountServiceInternal.ExternalStorageMountPolicy() { 16839 @Override 16840 public int getMountMode(int uid, String packageName) { 16841 if (Process.isIsolated(uid)) { 16842 return Zygote.MOUNT_EXTERNAL_NONE; 16843 } 16844 if (checkUidPermission(WRITE_MEDIA_STORAGE, uid) == PERMISSION_GRANTED) { 16845 return Zygote.MOUNT_EXTERNAL_DEFAULT; 16846 } 16847 if (checkUidPermission(READ_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 16848 return Zygote.MOUNT_EXTERNAL_DEFAULT; 16849 } 16850 if (checkUidPermission(WRITE_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 16851 return Zygote.MOUNT_EXTERNAL_READ; 16852 } 16853 return Zygote.MOUNT_EXTERNAL_WRITE; 16854 } 16855 16856 @Override 16857 public boolean hasExternalStorage(int uid, String packageName) { 16858 return true; 16859 } 16860 }); 16861 } 16862 16863 @Override 16864 public boolean isSafeMode() { 16865 return mSafeMode; 16866 } 16867 16868 @Override 16869 public boolean hasSystemUidErrors() { 16870 return mHasSystemUidErrors; 16871 } 16872 16873 static String arrayToString(int[] array) { 16874 StringBuffer buf = new StringBuffer(128); 16875 buf.append('['); 16876 if (array != null) { 16877 for (int i=0; i<array.length; i++) { 16878 if (i > 0) buf.append(", "); 16879 buf.append(array[i]); 16880 } 16881 } 16882 buf.append(']'); 16883 return buf.toString(); 16884 } 16885 16886 static class DumpState { 16887 public static final int DUMP_LIBS = 1 << 0; 16888 public static final int DUMP_FEATURES = 1 << 1; 16889 public static final int DUMP_ACTIVITY_RESOLVERS = 1 << 2; 16890 public static final int DUMP_SERVICE_RESOLVERS = 1 << 3; 16891 public static final int DUMP_RECEIVER_RESOLVERS = 1 << 4; 16892 public static final int DUMP_CONTENT_RESOLVERS = 1 << 5; 16893 public static final int DUMP_PERMISSIONS = 1 << 6; 16894 public static final int DUMP_PACKAGES = 1 << 7; 16895 public static final int DUMP_SHARED_USERS = 1 << 8; 16896 public static final int DUMP_MESSAGES = 1 << 9; 16897 public static final int DUMP_PROVIDERS = 1 << 10; 16898 public static final int DUMP_VERIFIERS = 1 << 11; 16899 public static final int DUMP_PREFERRED = 1 << 12; 16900 public static final int DUMP_PREFERRED_XML = 1 << 13; 16901 public static final int DUMP_KEYSETS = 1 << 14; 16902 public static final int DUMP_VERSION = 1 << 15; 16903 public static final int DUMP_INSTALLS = 1 << 16; 16904 public static final int DUMP_INTENT_FILTER_VERIFIERS = 1 << 17; 16905 public static final int DUMP_DOMAIN_PREFERRED = 1 << 18; 16906 16907 public static final int OPTION_SHOW_FILTERS = 1 << 0; 16908 16909 private int mTypes; 16910 16911 private int mOptions; 16912 16913 private boolean mTitlePrinted; 16914 16915 private SharedUserSetting mSharedUser; 16916 16917 public boolean isDumping(int type) { 16918 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 16919 return true; 16920 } 16921 16922 return (mTypes & type) != 0; 16923 } 16924 16925 public void setDump(int type) { 16926 mTypes |= type; 16927 } 16928 16929 public boolean isOptionEnabled(int option) { 16930 return (mOptions & option) != 0; 16931 } 16932 16933 public void setOptionEnabled(int option) { 16934 mOptions |= option; 16935 } 16936 16937 public boolean onTitlePrinted() { 16938 final boolean printed = mTitlePrinted; 16939 mTitlePrinted = true; 16940 return printed; 16941 } 16942 16943 public boolean getTitlePrinted() { 16944 return mTitlePrinted; 16945 } 16946 16947 public void setTitlePrinted(boolean enabled) { 16948 mTitlePrinted = enabled; 16949 } 16950 16951 public SharedUserSetting getSharedUser() { 16952 return mSharedUser; 16953 } 16954 16955 public void setSharedUser(SharedUserSetting user) { 16956 mSharedUser = user; 16957 } 16958 } 16959 16960 @Override 16961 public void onShellCommand(FileDescriptor in, FileDescriptor out, 16962 FileDescriptor err, String[] args, ResultReceiver resultReceiver) { 16963 (new PackageManagerShellCommand(this)).exec( 16964 this, in, out, err, args, resultReceiver); 16965 } 16966 16967 @Override 16968 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 16969 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 16970 != PackageManager.PERMISSION_GRANTED) { 16971 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 16972 + Binder.getCallingPid() 16973 + ", uid=" + Binder.getCallingUid() 16974 + " without permission " 16975 + android.Manifest.permission.DUMP); 16976 return; 16977 } 16978 16979 DumpState dumpState = new DumpState(); 16980 boolean fullPreferred = false; 16981 boolean checkin = false; 16982 16983 String packageName = null; 16984 ArraySet<String> permissionNames = null; 16985 16986 int opti = 0; 16987 while (opti < args.length) { 16988 String opt = args[opti]; 16989 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 16990 break; 16991 } 16992 opti++; 16993 16994 if ("-a".equals(opt)) { 16995 // Right now we only know how to print all. 16996 } else if ("-h".equals(opt)) { 16997 pw.println("Package manager dump options:"); 16998 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 16999 pw.println(" --checkin: dump for a checkin"); 17000 pw.println(" -f: print details of intent filters"); 17001 pw.println(" -h: print this help"); 17002 pw.println(" cmd may be one of:"); 17003 pw.println(" l[ibraries]: list known shared libraries"); 17004 pw.println(" f[eatures]: list device features"); 17005 pw.println(" k[eysets]: print known keysets"); 17006 pw.println(" r[esolvers] [activity|service|receiver|content]: dump intent resolvers"); 17007 pw.println(" perm[issions]: dump permissions"); 17008 pw.println(" permission [name ...]: dump declaration and use of given permission"); 17009 pw.println(" pref[erred]: print preferred package settings"); 17010 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 17011 pw.println(" prov[iders]: dump content providers"); 17012 pw.println(" p[ackages]: dump installed packages"); 17013 pw.println(" s[hared-users]: dump shared user IDs"); 17014 pw.println(" m[essages]: print collected runtime messages"); 17015 pw.println(" v[erifiers]: print package verifier info"); 17016 pw.println(" d[omain-preferred-apps]: print domains preferred apps"); 17017 pw.println(" i[ntent-filter-verifiers]|ifv: print intent filter verifier info"); 17018 pw.println(" version: print database version info"); 17019 pw.println(" write: write current settings now"); 17020 pw.println(" installs: details about install sessions"); 17021 pw.println(" check-permission <permission> <package> [<user>]: does pkg hold perm?"); 17022 pw.println(" <package.name>: info about given package"); 17023 return; 17024 } else if ("--checkin".equals(opt)) { 17025 checkin = true; 17026 } else if ("-f".equals(opt)) { 17027 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 17028 } else { 17029 pw.println("Unknown argument: " + opt + "; use -h for help"); 17030 } 17031 } 17032 17033 // Is the caller requesting to dump a particular piece of data? 17034 if (opti < args.length) { 17035 String cmd = args[opti]; 17036 opti++; 17037 // Is this a package name? 17038 if ("android".equals(cmd) || cmd.contains(".")) { 17039 packageName = cmd; 17040 // When dumping a single package, we always dump all of its 17041 // filter information since the amount of data will be reasonable. 17042 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 17043 } else if ("check-permission".equals(cmd)) { 17044 if (opti >= args.length) { 17045 pw.println("Error: check-permission missing permission argument"); 17046 return; 17047 } 17048 String perm = args[opti]; 17049 opti++; 17050 if (opti >= args.length) { 17051 pw.println("Error: check-permission missing package argument"); 17052 return; 17053 } 17054 String pkg = args[opti]; 17055 opti++; 17056 int user = UserHandle.getUserId(Binder.getCallingUid()); 17057 if (opti < args.length) { 17058 try { 17059 user = Integer.parseInt(args[opti]); 17060 } catch (NumberFormatException e) { 17061 pw.println("Error: check-permission user argument is not a number: " 17062 + args[opti]); 17063 return; 17064 } 17065 } 17066 pw.println(checkPermission(perm, pkg, user)); 17067 return; 17068 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 17069 dumpState.setDump(DumpState.DUMP_LIBS); 17070 } else if ("f".equals(cmd) || "features".equals(cmd)) { 17071 dumpState.setDump(DumpState.DUMP_FEATURES); 17072 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 17073 if (opti >= args.length) { 17074 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS 17075 | DumpState.DUMP_SERVICE_RESOLVERS 17076 | DumpState.DUMP_RECEIVER_RESOLVERS 17077 | DumpState.DUMP_CONTENT_RESOLVERS); 17078 } else { 17079 while (opti < args.length) { 17080 String name = args[opti]; 17081 if ("a".equals(name) || "activity".equals(name)) { 17082 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS); 17083 } else if ("s".equals(name) || "service".equals(name)) { 17084 dumpState.setDump(DumpState.DUMP_SERVICE_RESOLVERS); 17085 } else if ("r".equals(name) || "receiver".equals(name)) { 17086 dumpState.setDump(DumpState.DUMP_RECEIVER_RESOLVERS); 17087 } else if ("c".equals(name) || "content".equals(name)) { 17088 dumpState.setDump(DumpState.DUMP_CONTENT_RESOLVERS); 17089 } else { 17090 pw.println("Error: unknown resolver table type: " + name); 17091 return; 17092 } 17093 opti++; 17094 } 17095 } 17096 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 17097 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 17098 } else if ("permission".equals(cmd)) { 17099 if (opti >= args.length) { 17100 pw.println("Error: permission requires permission name"); 17101 return; 17102 } 17103 permissionNames = new ArraySet<>(); 17104 while (opti < args.length) { 17105 permissionNames.add(args[opti]); 17106 opti++; 17107 } 17108 dumpState.setDump(DumpState.DUMP_PERMISSIONS 17109 | DumpState.DUMP_PACKAGES | DumpState.DUMP_SHARED_USERS); 17110 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 17111 dumpState.setDump(DumpState.DUMP_PREFERRED); 17112 } else if ("preferred-xml".equals(cmd)) { 17113 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 17114 if (opti < args.length && "--full".equals(args[opti])) { 17115 fullPreferred = true; 17116 opti++; 17117 } 17118 } else if ("d".equals(cmd) || "domain-preferred-apps".equals(cmd)) { 17119 dumpState.setDump(DumpState.DUMP_DOMAIN_PREFERRED); 17120 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 17121 dumpState.setDump(DumpState.DUMP_PACKAGES); 17122 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 17123 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 17124 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 17125 dumpState.setDump(DumpState.DUMP_PROVIDERS); 17126 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 17127 dumpState.setDump(DumpState.DUMP_MESSAGES); 17128 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 17129 dumpState.setDump(DumpState.DUMP_VERIFIERS); 17130 } else if ("i".equals(cmd) || "ifv".equals(cmd) 17131 || "intent-filter-verifiers".equals(cmd)) { 17132 dumpState.setDump(DumpState.DUMP_INTENT_FILTER_VERIFIERS); 17133 } else if ("version".equals(cmd)) { 17134 dumpState.setDump(DumpState.DUMP_VERSION); 17135 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 17136 dumpState.setDump(DumpState.DUMP_KEYSETS); 17137 } else if ("installs".equals(cmd)) { 17138 dumpState.setDump(DumpState.DUMP_INSTALLS); 17139 } else if ("write".equals(cmd)) { 17140 synchronized (mPackages) { 17141 mSettings.writeLPr(); 17142 pw.println("Settings written."); 17143 return; 17144 } 17145 } 17146 } 17147 17148 if (checkin) { 17149 pw.println("vers,1"); 17150 } 17151 17152 // reader 17153 synchronized (mPackages) { 17154 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 17155 if (!checkin) { 17156 if (dumpState.onTitlePrinted()) 17157 pw.println(); 17158 pw.println("Database versions:"); 17159 mSettings.dumpVersionLPr(new IndentingPrintWriter(pw, " ")); 17160 } 17161 } 17162 17163 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 17164 if (!checkin) { 17165 if (dumpState.onTitlePrinted()) 17166 pw.println(); 17167 pw.println("Verifiers:"); 17168 pw.print(" Required: "); 17169 pw.print(mRequiredVerifierPackage); 17170 pw.print(" (uid="); 17171 pw.print(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 17172 UserHandle.USER_SYSTEM)); 17173 pw.println(")"); 17174 } else if (mRequiredVerifierPackage != null) { 17175 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 17176 pw.print(","); 17177 pw.println(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 17178 UserHandle.USER_SYSTEM)); 17179 } 17180 } 17181 17182 if (dumpState.isDumping(DumpState.DUMP_INTENT_FILTER_VERIFIERS) && 17183 packageName == null) { 17184 if (mIntentFilterVerifierComponent != null) { 17185 String verifierPackageName = mIntentFilterVerifierComponent.getPackageName(); 17186 if (!checkin) { 17187 if (dumpState.onTitlePrinted()) 17188 pw.println(); 17189 pw.println("Intent Filter Verifier:"); 17190 pw.print(" Using: "); 17191 pw.print(verifierPackageName); 17192 pw.print(" (uid="); 17193 pw.print(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 17194 UserHandle.USER_SYSTEM)); 17195 pw.println(")"); 17196 } else if (verifierPackageName != null) { 17197 pw.print("ifv,"); pw.print(verifierPackageName); 17198 pw.print(","); 17199 pw.println(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 17200 UserHandle.USER_SYSTEM)); 17201 } 17202 } else { 17203 pw.println(); 17204 pw.println("No Intent Filter Verifier available!"); 17205 } 17206 } 17207 17208 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 17209 boolean printedHeader = false; 17210 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 17211 while (it.hasNext()) { 17212 String name = it.next(); 17213 SharedLibraryEntry ent = mSharedLibraries.get(name); 17214 if (!checkin) { 17215 if (!printedHeader) { 17216 if (dumpState.onTitlePrinted()) 17217 pw.println(); 17218 pw.println("Libraries:"); 17219 printedHeader = true; 17220 } 17221 pw.print(" "); 17222 } else { 17223 pw.print("lib,"); 17224 } 17225 pw.print(name); 17226 if (!checkin) { 17227 pw.print(" -> "); 17228 } 17229 if (ent.path != null) { 17230 if (!checkin) { 17231 pw.print("(jar) "); 17232 pw.print(ent.path); 17233 } else { 17234 pw.print(",jar,"); 17235 pw.print(ent.path); 17236 } 17237 } else { 17238 if (!checkin) { 17239 pw.print("(apk) "); 17240 pw.print(ent.apk); 17241 } else { 17242 pw.print(",apk,"); 17243 pw.print(ent.apk); 17244 } 17245 } 17246 pw.println(); 17247 } 17248 } 17249 17250 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 17251 if (dumpState.onTitlePrinted()) 17252 pw.println(); 17253 if (!checkin) { 17254 pw.println("Features:"); 17255 } 17256 17257 for (FeatureInfo feat : mAvailableFeatures.values()) { 17258 if (checkin) { 17259 pw.print("feat,"); 17260 pw.print(feat.name); 17261 pw.print(","); 17262 pw.println(feat.version); 17263 } else { 17264 pw.print(" "); 17265 pw.print(feat.name); 17266 if (feat.version > 0) { 17267 pw.print(" version="); 17268 pw.print(feat.version); 17269 } 17270 pw.println(); 17271 } 17272 } 17273 } 17274 17275 if (!checkin && dumpState.isDumping(DumpState.DUMP_ACTIVITY_RESOLVERS)) { 17276 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 17277 : "Activity Resolver Table:", " ", packageName, 17278 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 17279 dumpState.setTitlePrinted(true); 17280 } 17281 } 17282 if (!checkin && dumpState.isDumping(DumpState.DUMP_RECEIVER_RESOLVERS)) { 17283 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 17284 : "Receiver Resolver Table:", " ", packageName, 17285 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 17286 dumpState.setTitlePrinted(true); 17287 } 17288 } 17289 if (!checkin && dumpState.isDumping(DumpState.DUMP_SERVICE_RESOLVERS)) { 17290 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 17291 : "Service Resolver Table:", " ", packageName, 17292 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 17293 dumpState.setTitlePrinted(true); 17294 } 17295 } 17296 if (!checkin && dumpState.isDumping(DumpState.DUMP_CONTENT_RESOLVERS)) { 17297 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 17298 : "Provider Resolver Table:", " ", packageName, 17299 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 17300 dumpState.setTitlePrinted(true); 17301 } 17302 } 17303 17304 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 17305 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 17306 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 17307 int user = mSettings.mPreferredActivities.keyAt(i); 17308 if (pir.dump(pw, 17309 dumpState.getTitlePrinted() 17310 ? "\nPreferred Activities User " + user + ":" 17311 : "Preferred Activities User " + user + ":", " ", 17312 packageName, true, false)) { 17313 dumpState.setTitlePrinted(true); 17314 } 17315 } 17316 } 17317 17318 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 17319 pw.flush(); 17320 FileOutputStream fout = new FileOutputStream(fd); 17321 BufferedOutputStream str = new BufferedOutputStream(fout); 17322 XmlSerializer serializer = new FastXmlSerializer(); 17323 try { 17324 serializer.setOutput(str, StandardCharsets.UTF_8.name()); 17325 serializer.startDocument(null, true); 17326 serializer.setFeature( 17327 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 17328 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 17329 serializer.endDocument(); 17330 serializer.flush(); 17331 } catch (IllegalArgumentException e) { 17332 pw.println("Failed writing: " + e); 17333 } catch (IllegalStateException e) { 17334 pw.println("Failed writing: " + e); 17335 } catch (IOException e) { 17336 pw.println("Failed writing: " + e); 17337 } 17338 } 17339 17340 if (!checkin 17341 && dumpState.isDumping(DumpState.DUMP_DOMAIN_PREFERRED) 17342 && packageName == null) { 17343 pw.println(); 17344 int count = mSettings.mPackages.size(); 17345 if (count == 0) { 17346 pw.println("No applications!"); 17347 pw.println(); 17348 } else { 17349 final String prefix = " "; 17350 Collection<PackageSetting> allPackageSettings = mSettings.mPackages.values(); 17351 if (allPackageSettings.size() == 0) { 17352 pw.println("No domain preferred apps!"); 17353 pw.println(); 17354 } else { 17355 pw.println("App verification status:"); 17356 pw.println(); 17357 count = 0; 17358 for (PackageSetting ps : allPackageSettings) { 17359 IntentFilterVerificationInfo ivi = ps.getIntentFilterVerificationInfo(); 17360 if (ivi == null || ivi.getPackageName() == null) continue; 17361 pw.println(prefix + "Package: " + ivi.getPackageName()); 17362 pw.println(prefix + "Domains: " + ivi.getDomainsString()); 17363 pw.println(prefix + "Status: " + ivi.getStatusString()); 17364 pw.println(); 17365 count++; 17366 } 17367 if (count == 0) { 17368 pw.println(prefix + "No app verification established."); 17369 pw.println(); 17370 } 17371 for (int userId : sUserManager.getUserIds()) { 17372 pw.println("App linkages for user " + userId + ":"); 17373 pw.println(); 17374 count = 0; 17375 for (PackageSetting ps : allPackageSettings) { 17376 final long status = ps.getDomainVerificationStatusForUser(userId); 17377 if (status >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 17378 continue; 17379 } 17380 pw.println(prefix + "Package: " + ps.name); 17381 pw.println(prefix + "Domains: " + dumpDomainString(ps.name)); 17382 String statusStr = IntentFilterVerificationInfo. 17383 getStatusStringFromValue(status); 17384 pw.println(prefix + "Status: " + statusStr); 17385 pw.println(); 17386 count++; 17387 } 17388 if (count == 0) { 17389 pw.println(prefix + "No configured app linkages."); 17390 pw.println(); 17391 } 17392 } 17393 } 17394 } 17395 } 17396 17397 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 17398 mSettings.dumpPermissionsLPr(pw, packageName, permissionNames, dumpState); 17399 if (packageName == null && permissionNames == null) { 17400 for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) { 17401 if (iperm == 0) { 17402 if (dumpState.onTitlePrinted()) 17403 pw.println(); 17404 pw.println("AppOp Permissions:"); 17405 } 17406 pw.print(" AppOp Permission "); 17407 pw.print(mAppOpPermissionPackages.keyAt(iperm)); 17408 pw.println(":"); 17409 ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm); 17410 for (int ipkg=0; ipkg<pkgs.size(); ipkg++) { 17411 pw.print(" "); pw.println(pkgs.valueAt(ipkg)); 17412 } 17413 } 17414 } 17415 } 17416 17417 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 17418 boolean printedSomething = false; 17419 for (PackageParser.Provider p : mProviders.mProviders.values()) { 17420 if (packageName != null && !packageName.equals(p.info.packageName)) { 17421 continue; 17422 } 17423 if (!printedSomething) { 17424 if (dumpState.onTitlePrinted()) 17425 pw.println(); 17426 pw.println("Registered ContentProviders:"); 17427 printedSomething = true; 17428 } 17429 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 17430 pw.print(" "); pw.println(p.toString()); 17431 } 17432 printedSomething = false; 17433 for (Map.Entry<String, PackageParser.Provider> entry : 17434 mProvidersByAuthority.entrySet()) { 17435 PackageParser.Provider p = entry.getValue(); 17436 if (packageName != null && !packageName.equals(p.info.packageName)) { 17437 continue; 17438 } 17439 if (!printedSomething) { 17440 if (dumpState.onTitlePrinted()) 17441 pw.println(); 17442 pw.println("ContentProvider Authorities:"); 17443 printedSomething = true; 17444 } 17445 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 17446 pw.print(" "); pw.println(p.toString()); 17447 if (p.info != null && p.info.applicationInfo != null) { 17448 final String appInfo = p.info.applicationInfo.toString(); 17449 pw.print(" applicationInfo="); pw.println(appInfo); 17450 } 17451 } 17452 } 17453 17454 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 17455 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 17456 } 17457 17458 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 17459 mSettings.dumpPackagesLPr(pw, packageName, permissionNames, dumpState, checkin); 17460 } 17461 17462 if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 17463 mSettings.dumpSharedUsersLPr(pw, packageName, permissionNames, dumpState, checkin); 17464 } 17465 17466 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS) && packageName == null) { 17467 mSettings.dumpRestoredPermissionGrantsLPr(pw, dumpState); 17468 } 17469 17470 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) { 17471 // XXX should handle packageName != null by dumping only install data that 17472 // the given package is involved with. 17473 if (dumpState.onTitlePrinted()) pw.println(); 17474 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 17475 } 17476 17477 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 17478 if (dumpState.onTitlePrinted()) pw.println(); 17479 mSettings.dumpReadMessagesLPr(pw, dumpState); 17480 17481 pw.println(); 17482 pw.println("Package warning messages:"); 17483 BufferedReader in = null; 17484 String line = null; 17485 try { 17486 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 17487 while ((line = in.readLine()) != null) { 17488 if (line.contains("ignored: updated version")) continue; 17489 pw.println(line); 17490 } 17491 } catch (IOException ignored) { 17492 } finally { 17493 IoUtils.closeQuietly(in); 17494 } 17495 } 17496 17497 if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) { 17498 BufferedReader in = null; 17499 String line = null; 17500 try { 17501 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 17502 while ((line = in.readLine()) != null) { 17503 if (line.contains("ignored: updated version")) continue; 17504 pw.print("msg,"); 17505 pw.println(line); 17506 } 17507 } catch (IOException ignored) { 17508 } finally { 17509 IoUtils.closeQuietly(in); 17510 } 17511 } 17512 } 17513 } 17514 17515 private String dumpDomainString(String packageName) { 17516 List<IntentFilterVerificationInfo> iviList = getIntentFilterVerifications(packageName) 17517 .getList(); 17518 List<IntentFilter> filters = getAllIntentFilters(packageName).getList(); 17519 17520 ArraySet<String> result = new ArraySet<>(); 17521 if (iviList.size() > 0) { 17522 for (IntentFilterVerificationInfo ivi : iviList) { 17523 for (String host : ivi.getDomains()) { 17524 result.add(host); 17525 } 17526 } 17527 } 17528 if (filters != null && filters.size() > 0) { 17529 for (IntentFilter filter : filters) { 17530 if (filter.hasCategory(Intent.CATEGORY_BROWSABLE) 17531 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 17532 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS))) { 17533 result.addAll(filter.getHostsList()); 17534 } 17535 } 17536 } 17537 17538 StringBuilder sb = new StringBuilder(result.size() * 16); 17539 for (String domain : result) { 17540 if (sb.length() > 0) sb.append(" "); 17541 sb.append(domain); 17542 } 17543 return sb.toString(); 17544 } 17545 17546 // ------- apps on sdcard specific code ------- 17547 static final boolean DEBUG_SD_INSTALL = false; 17548 17549 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 17550 17551 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 17552 17553 private boolean mMediaMounted = false; 17554 17555 static String getEncryptKey() { 17556 try { 17557 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 17558 SD_ENCRYPTION_KEYSTORE_NAME); 17559 if (sdEncKey == null) { 17560 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 17561 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 17562 if (sdEncKey == null) { 17563 Slog.e(TAG, "Failed to create encryption keys"); 17564 return null; 17565 } 17566 } 17567 return sdEncKey; 17568 } catch (NoSuchAlgorithmException nsae) { 17569 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 17570 return null; 17571 } catch (IOException ioe) { 17572 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 17573 return null; 17574 } 17575 } 17576 17577 /* 17578 * Update media status on PackageManager. 17579 */ 17580 @Override 17581 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 17582 int callingUid = Binder.getCallingUid(); 17583 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 17584 throw new SecurityException("Media status can only be updated by the system"); 17585 } 17586 // reader; this apparently protects mMediaMounted, but should probably 17587 // be a different lock in that case. 17588 synchronized (mPackages) { 17589 Log.i(TAG, "Updating external media status from " 17590 + (mMediaMounted ? "mounted" : "unmounted") + " to " 17591 + (mediaStatus ? "mounted" : "unmounted")); 17592 if (DEBUG_SD_INSTALL) 17593 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 17594 + ", mMediaMounted=" + mMediaMounted); 17595 if (mediaStatus == mMediaMounted) { 17596 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 17597 : 0, -1); 17598 mHandler.sendMessage(msg); 17599 return; 17600 } 17601 mMediaMounted = mediaStatus; 17602 } 17603 // Queue up an async operation since the package installation may take a 17604 // little while. 17605 mHandler.post(new Runnable() { 17606 public void run() { 17607 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 17608 } 17609 }); 17610 } 17611 17612 /** 17613 * Called by MountService when the initial ASECs to scan are available. 17614 * Should block until all the ASEC containers are finished being scanned. 17615 */ 17616 public void scanAvailableAsecs() { 17617 updateExternalMediaStatusInner(true, false, false); 17618 } 17619 17620 /* 17621 * Collect information of applications on external media, map them against 17622 * existing containers and update information based on current mount status. 17623 * Please note that we always have to report status if reportStatus has been 17624 * set to true especially when unloading packages. 17625 */ 17626 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 17627 boolean externalStorage) { 17628 ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>(); 17629 int[] uidArr = EmptyArray.INT; 17630 17631 final String[] list = PackageHelper.getSecureContainerList(); 17632 if (ArrayUtils.isEmpty(list)) { 17633 Log.i(TAG, "No secure containers found"); 17634 } else { 17635 // Process list of secure containers and categorize them 17636 // as active or stale based on their package internal state. 17637 17638 // reader 17639 synchronized (mPackages) { 17640 for (String cid : list) { 17641 // Leave stages untouched for now; installer service owns them 17642 if (PackageInstallerService.isStageName(cid)) continue; 17643 17644 if (DEBUG_SD_INSTALL) 17645 Log.i(TAG, "Processing container " + cid); 17646 String pkgName = getAsecPackageName(cid); 17647 if (pkgName == null) { 17648 Slog.i(TAG, "Found stale container " + cid + " with no package name"); 17649 continue; 17650 } 17651 if (DEBUG_SD_INSTALL) 17652 Log.i(TAG, "Looking for pkg : " + pkgName); 17653 17654 final PackageSetting ps = mSettings.mPackages.get(pkgName); 17655 if (ps == null) { 17656 Slog.i(TAG, "Found stale container " + cid + " with no matching settings"); 17657 continue; 17658 } 17659 17660 /* 17661 * Skip packages that are not external if we're unmounting 17662 * external storage. 17663 */ 17664 if (externalStorage && !isMounted && !isExternal(ps)) { 17665 continue; 17666 } 17667 17668 final AsecInstallArgs args = new AsecInstallArgs(cid, 17669 getAppDexInstructionSets(ps), ps.isForwardLocked()); 17670 // The package status is changed only if the code path 17671 // matches between settings and the container id. 17672 if (ps.codePathString != null 17673 && ps.codePathString.startsWith(args.getCodePath())) { 17674 if (DEBUG_SD_INSTALL) { 17675 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 17676 + " at code path: " + ps.codePathString); 17677 } 17678 17679 // We do have a valid package installed on sdcard 17680 processCids.put(args, ps.codePathString); 17681 final int uid = ps.appId; 17682 if (uid != -1) { 17683 uidArr = ArrayUtils.appendInt(uidArr, uid); 17684 } 17685 } else { 17686 Slog.i(TAG, "Found stale container " + cid + ": expected codePath=" 17687 + ps.codePathString); 17688 } 17689 } 17690 } 17691 17692 Arrays.sort(uidArr); 17693 } 17694 17695 // Process packages with valid entries. 17696 if (isMounted) { 17697 if (DEBUG_SD_INSTALL) 17698 Log.i(TAG, "Loading packages"); 17699 loadMediaPackages(processCids, uidArr, externalStorage); 17700 startCleaningPackages(); 17701 mInstallerService.onSecureContainersAvailable(); 17702 } else { 17703 if (DEBUG_SD_INSTALL) 17704 Log.i(TAG, "Unloading packages"); 17705 unloadMediaPackages(processCids, uidArr, reportStatus); 17706 } 17707 } 17708 17709 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 17710 ArrayList<ApplicationInfo> infos, IIntentReceiver finishedReceiver) { 17711 final int size = infos.size(); 17712 final String[] packageNames = new String[size]; 17713 final int[] packageUids = new int[size]; 17714 for (int i = 0; i < size; i++) { 17715 final ApplicationInfo info = infos.get(i); 17716 packageNames[i] = info.packageName; 17717 packageUids[i] = info.uid; 17718 } 17719 sendResourcesChangedBroadcast(mediaStatus, replacing, packageNames, packageUids, 17720 finishedReceiver); 17721 } 17722 17723 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 17724 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 17725 sendResourcesChangedBroadcast(mediaStatus, replacing, 17726 pkgList.toArray(new String[pkgList.size()]), uidArr, finishedReceiver); 17727 } 17728 17729 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 17730 String[] pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 17731 int size = pkgList.length; 17732 if (size > 0) { 17733 // Send broadcasts here 17734 Bundle extras = new Bundle(); 17735 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 17736 if (uidArr != null) { 17737 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 17738 } 17739 if (replacing) { 17740 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 17741 } 17742 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 17743 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 17744 sendPackageBroadcast(action, null, extras, 0, null, finishedReceiver, null); 17745 } 17746 } 17747 17748 /* 17749 * Look at potentially valid container ids from processCids If package 17750 * information doesn't match the one on record or package scanning fails, 17751 * the cid is added to list of removeCids. We currently don't delete stale 17752 * containers. 17753 */ 17754 private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr, 17755 boolean externalStorage) { 17756 ArrayList<String> pkgList = new ArrayList<String>(); 17757 Set<AsecInstallArgs> keys = processCids.keySet(); 17758 17759 for (AsecInstallArgs args : keys) { 17760 String codePath = processCids.get(args); 17761 if (DEBUG_SD_INSTALL) 17762 Log.i(TAG, "Loading container : " + args.cid); 17763 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 17764 try { 17765 // Make sure there are no container errors first. 17766 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 17767 Slog.e(TAG, "Failed to mount cid : " + args.cid 17768 + " when installing from sdcard"); 17769 continue; 17770 } 17771 // Check code path here. 17772 if (codePath == null || !codePath.startsWith(args.getCodePath())) { 17773 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 17774 + " does not match one in settings " + codePath); 17775 continue; 17776 } 17777 // Parse package 17778 int parseFlags = mDefParseFlags; 17779 if (args.isExternalAsec()) { 17780 parseFlags |= PackageParser.PARSE_EXTERNAL_STORAGE; 17781 } 17782 if (args.isFwdLocked()) { 17783 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 17784 } 17785 17786 synchronized (mInstallLock) { 17787 PackageParser.Package pkg = null; 17788 try { 17789 pkg = scanPackageTracedLI(new File(codePath), parseFlags, 0, 0, null); 17790 } catch (PackageManagerException e) { 17791 Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage()); 17792 } 17793 // Scan the package 17794 if (pkg != null) { 17795 /* 17796 * TODO why is the lock being held? doPostInstall is 17797 * called in other places without the lock. This needs 17798 * to be straightened out. 17799 */ 17800 // writer 17801 synchronized (mPackages) { 17802 retCode = PackageManager.INSTALL_SUCCEEDED; 17803 pkgList.add(pkg.packageName); 17804 // Post process args 17805 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 17806 pkg.applicationInfo.uid); 17807 } 17808 } else { 17809 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 17810 } 17811 } 17812 17813 } finally { 17814 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 17815 Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode); 17816 } 17817 } 17818 } 17819 // writer 17820 synchronized (mPackages) { 17821 // If the platform SDK has changed since the last time we booted, 17822 // we need to re-grant app permission to catch any new ones that 17823 // appear. This is really a hack, and means that apps can in some 17824 // cases get permissions that the user didn't initially explicitly 17825 // allow... it would be nice to have some better way to handle 17826 // this situation. 17827 final VersionInfo ver = externalStorage ? mSettings.getExternalVersion() 17828 : mSettings.getInternalVersion(); 17829 final String volumeUuid = externalStorage ? StorageManager.UUID_PRIMARY_PHYSICAL 17830 : StorageManager.UUID_PRIVATE_INTERNAL; 17831 17832 int updateFlags = UPDATE_PERMISSIONS_ALL; 17833 if (ver.sdkVersion != mSdkVersion) { 17834 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 17835 + mSdkVersion + "; regranting permissions for external"); 17836 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 17837 } 17838 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 17839 17840 // Yay, everything is now upgraded 17841 ver.forceCurrent(); 17842 17843 // can downgrade to reader 17844 // Persist settings 17845 mSettings.writeLPr(); 17846 } 17847 // Send a broadcast to let everyone know we are done processing 17848 if (pkgList.size() > 0) { 17849 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 17850 } 17851 } 17852 17853 /* 17854 * Utility method to unload a list of specified containers 17855 */ 17856 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 17857 // Just unmount all valid containers. 17858 for (AsecInstallArgs arg : cidArgs) { 17859 synchronized (mInstallLock) { 17860 arg.doPostDeleteLI(false); 17861 } 17862 } 17863 } 17864 17865 /* 17866 * Unload packages mounted on external media. This involves deleting package 17867 * data from internal structures, sending broadcasts about disabled packages, 17868 * gc'ing to free up references, unmounting all secure containers 17869 * corresponding to packages on external media, and posting a 17870 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 17871 * that we always have to post this message if status has been requested no 17872 * matter what. 17873 */ 17874 private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[], 17875 final boolean reportStatus) { 17876 if (DEBUG_SD_INSTALL) 17877 Log.i(TAG, "unloading media packages"); 17878 ArrayList<String> pkgList = new ArrayList<String>(); 17879 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 17880 final Set<AsecInstallArgs> keys = processCids.keySet(); 17881 for (AsecInstallArgs args : keys) { 17882 String pkgName = args.getPackageName(); 17883 if (DEBUG_SD_INSTALL) 17884 Log.i(TAG, "Trying to unload pkg : " + pkgName); 17885 // Delete package internally 17886 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 17887 synchronized (mInstallLock) { 17888 boolean res = deletePackageLI(pkgName, null, false, null, 17889 PackageManager.DELETE_KEEP_DATA, outInfo, false, null); 17890 if (res) { 17891 pkgList.add(pkgName); 17892 } else { 17893 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 17894 failedList.add(args); 17895 } 17896 } 17897 } 17898 17899 // reader 17900 synchronized (mPackages) { 17901 // We didn't update the settings after removing each package; 17902 // write them now for all packages. 17903 mSettings.writeLPr(); 17904 } 17905 17906 // We have to absolutely send UPDATED_MEDIA_STATUS only 17907 // after confirming that all the receivers processed the ordered 17908 // broadcast when packages get disabled, force a gc to clean things up. 17909 // and unload all the containers. 17910 if (pkgList.size() > 0) { 17911 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 17912 new IIntentReceiver.Stub() { 17913 public void performReceive(Intent intent, int resultCode, String data, 17914 Bundle extras, boolean ordered, boolean sticky, 17915 int sendingUser) throws RemoteException { 17916 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 17917 reportStatus ? 1 : 0, 1, keys); 17918 mHandler.sendMessage(msg); 17919 } 17920 }); 17921 } else { 17922 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 17923 keys); 17924 mHandler.sendMessage(msg); 17925 } 17926 } 17927 17928 private void loadPrivatePackages(final VolumeInfo vol) { 17929 mHandler.post(new Runnable() { 17930 @Override 17931 public void run() { 17932 loadPrivatePackagesInner(vol); 17933 } 17934 }); 17935 } 17936 17937 private void loadPrivatePackagesInner(VolumeInfo vol) { 17938 final String volumeUuid = vol.fsUuid; 17939 if (TextUtils.isEmpty(volumeUuid)) { 17940 Slog.e(TAG, "Loading internal storage is probably a mistake; ignoring"); 17941 return; 17942 } 17943 17944 final ArrayList<ApplicationInfo> loaded = new ArrayList<>(); 17945 final int parseFlags = mDefParseFlags | PackageParser.PARSE_EXTERNAL_STORAGE; 17946 17947 final VersionInfo ver; 17948 final List<PackageSetting> packages; 17949 synchronized (mPackages) { 17950 ver = mSettings.findOrCreateVersion(volumeUuid); 17951 packages = mSettings.getVolumePackagesLPr(volumeUuid); 17952 } 17953 17954 // TODO: introduce a new concept similar to "frozen" to prevent these 17955 // apps from being launched until after data has been fully reconciled 17956 for (PackageSetting ps : packages) { 17957 synchronized (mInstallLock) { 17958 final PackageParser.Package pkg; 17959 try { 17960 pkg = scanPackageTracedLI(ps.codePath, parseFlags, SCAN_INITIAL, 0, null); 17961 loaded.add(pkg.applicationInfo); 17962 17963 } catch (PackageManagerException e) { 17964 Slog.w(TAG, "Failed to scan " + ps.codePath + ": " + e.getMessage()); 17965 } 17966 17967 if (!Build.FINGERPRINT.equals(ver.fingerprint)) { 17968 deleteCodeCacheDirsLI(ps.volumeUuid, ps.name); 17969 } 17970 } 17971 } 17972 17973 // Reconcile app data for all started/unlocked users 17974 final StorageManager sm = mContext.getSystemService(StorageManager.class); 17975 final UserManager um = mContext.getSystemService(UserManager.class); 17976 for (UserInfo user : um.getUsers()) { 17977 final int flags; 17978 if (um.isUserUnlocked(user.id)) { 17979 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 17980 } else if (um.isUserRunning(user.id)) { 17981 flags = StorageManager.FLAG_STORAGE_DE; 17982 } else { 17983 continue; 17984 } 17985 17986 sm.prepareUserStorage(volumeUuid, user.id, user.serialNumber, flags); 17987 reconcileAppsData(volumeUuid, user.id, flags); 17988 } 17989 17990 synchronized (mPackages) { 17991 int updateFlags = UPDATE_PERMISSIONS_ALL; 17992 if (ver.sdkVersion != mSdkVersion) { 17993 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 17994 + mSdkVersion + "; regranting permissions for " + volumeUuid); 17995 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 17996 } 17997 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 17998 17999 // Yay, everything is now upgraded 18000 ver.forceCurrent(); 18001 18002 mSettings.writeLPr(); 18003 } 18004 18005 if (DEBUG_INSTALL) Slog.d(TAG, "Loaded packages " + loaded); 18006 sendResourcesChangedBroadcast(true, false, loaded, null); 18007 } 18008 18009 private void unloadPrivatePackages(final VolumeInfo vol) { 18010 mHandler.post(new Runnable() { 18011 @Override 18012 public void run() { 18013 unloadPrivatePackagesInner(vol); 18014 } 18015 }); 18016 } 18017 18018 private void unloadPrivatePackagesInner(VolumeInfo vol) { 18019 final String volumeUuid = vol.fsUuid; 18020 if (TextUtils.isEmpty(volumeUuid)) { 18021 Slog.e(TAG, "Unloading internal storage is probably a mistake; ignoring"); 18022 return; 18023 } 18024 18025 final ArrayList<ApplicationInfo> unloaded = new ArrayList<>(); 18026 synchronized (mInstallLock) { 18027 synchronized (mPackages) { 18028 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(volumeUuid); 18029 for (PackageSetting ps : packages) { 18030 if (ps.pkg == null) continue; 18031 18032 final ApplicationInfo info = ps.pkg.applicationInfo; 18033 final PackageRemovedInfo outInfo = new PackageRemovedInfo(); 18034 if (deletePackageLI(ps.name, null, false, null, 18035 PackageManager.DELETE_KEEP_DATA, outInfo, false, null)) { 18036 unloaded.add(info); 18037 } else { 18038 Slog.w(TAG, "Failed to unload " + ps.codePath); 18039 } 18040 } 18041 18042 mSettings.writeLPr(); 18043 } 18044 } 18045 18046 if (DEBUG_INSTALL) Slog.d(TAG, "Unloaded packages " + unloaded); 18047 sendResourcesChangedBroadcast(false, false, unloaded, null); 18048 } 18049 18050 /** 18051 * Examine all users present on given mounted volume, and destroy data 18052 * belonging to users that are no longer valid, or whose user ID has been 18053 * recycled. 18054 */ 18055 private void reconcileUsers(String volumeUuid) { 18056 // TODO: also reconcile DE directories 18057 final File[] files = FileUtils 18058 .listFilesOrEmpty(Environment.getDataUserCeDirectory(volumeUuid)); 18059 for (File file : files) { 18060 if (!file.isDirectory()) continue; 18061 18062 final int userId; 18063 final UserInfo info; 18064 try { 18065 userId = Integer.parseInt(file.getName()); 18066 info = sUserManager.getUserInfo(userId); 18067 } catch (NumberFormatException e) { 18068 Slog.w(TAG, "Invalid user directory " + file); 18069 continue; 18070 } 18071 18072 boolean destroyUser = false; 18073 if (info == null) { 18074 logCriticalInfo(Log.WARN, "Destroying user directory " + file 18075 + " because no matching user was found"); 18076 destroyUser = true; 18077 } else { 18078 try { 18079 UserManagerService.enforceSerialNumber(file, info.serialNumber); 18080 } catch (IOException e) { 18081 logCriticalInfo(Log.WARN, "Destroying user directory " + file 18082 + " because we failed to enforce serial number: " + e); 18083 destroyUser = true; 18084 } 18085 } 18086 18087 if (destroyUser) { 18088 synchronized (mInstallLock) { 18089 try { 18090 mInstaller.removeUserDataDirs(volumeUuid, userId); 18091 } catch (InstallerException e) { 18092 Slog.w(TAG, "Failed to clean up user dirs", e); 18093 } 18094 } 18095 } 18096 } 18097 } 18098 18099 private void assertPackageKnown(String volumeUuid, String packageName) 18100 throws PackageManagerException { 18101 synchronized (mPackages) { 18102 final PackageSetting ps = mSettings.mPackages.get(packageName); 18103 if (ps == null) { 18104 throw new PackageManagerException("Package " + packageName + " is unknown"); 18105 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 18106 throw new PackageManagerException( 18107 "Package " + packageName + " found on unknown volume " + volumeUuid 18108 + "; expected volume " + ps.volumeUuid); 18109 } 18110 } 18111 } 18112 18113 private void assertPackageKnownAndInstalled(String volumeUuid, String packageName, int userId) 18114 throws PackageManagerException { 18115 synchronized (mPackages) { 18116 final PackageSetting ps = mSettings.mPackages.get(packageName); 18117 if (ps == null) { 18118 throw new PackageManagerException("Package " + packageName + " is unknown"); 18119 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 18120 throw new PackageManagerException( 18121 "Package " + packageName + " found on unknown volume " + volumeUuid 18122 + "; expected volume " + ps.volumeUuid); 18123 } else if (!ps.getInstalled(userId)) { 18124 throw new PackageManagerException( 18125 "Package " + packageName + " not installed for user " + userId); 18126 } 18127 } 18128 } 18129 18130 /** 18131 * Examine all apps present on given mounted volume, and destroy apps that 18132 * aren't expected, either due to uninstallation or reinstallation on 18133 * another volume. 18134 */ 18135 private void reconcileApps(String volumeUuid) { 18136 final File[] files = FileUtils 18137 .listFilesOrEmpty(Environment.getDataAppDirectory(volumeUuid)); 18138 for (File file : files) { 18139 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 18140 && !PackageInstallerService.isStageName(file.getName()); 18141 if (!isPackage) { 18142 // Ignore entries which are not packages 18143 continue; 18144 } 18145 18146 try { 18147 final PackageLite pkg = PackageParser.parsePackageLite(file, 18148 PackageParser.PARSE_MUST_BE_APK); 18149 assertPackageKnown(volumeUuid, pkg.packageName); 18150 18151 } catch (PackageParserException | PackageManagerException e) { 18152 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 18153 synchronized (mInstallLock) { 18154 removeCodePathLI(file); 18155 } 18156 } 18157 } 18158 } 18159 18160 /** 18161 * Reconcile all app data for the given user. 18162 * <p> 18163 * Verifies that directories exist and that ownership and labeling is 18164 * correct for all installed apps on all mounted volumes. 18165 */ 18166 void reconcileAppsData(int userId, int flags) { 18167 final StorageManager storage = mContext.getSystemService(StorageManager.class); 18168 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 18169 final String volumeUuid = vol.getFsUuid(); 18170 reconcileAppsData(volumeUuid, userId, flags); 18171 } 18172 } 18173 18174 /** 18175 * Reconcile all app data on given mounted volume. 18176 * <p> 18177 * Destroys app data that isn't expected, either due to uninstallation or 18178 * reinstallation on another volume. 18179 * <p> 18180 * Verifies that directories exist and that ownership and labeling is 18181 * correct for all installed apps. 18182 */ 18183 private void reconcileAppsData(String volumeUuid, int userId, int flags) { 18184 Slog.v(TAG, "reconcileAppsData for " + volumeUuid + " u" + userId + " 0x" 18185 + Integer.toHexString(flags)); 18186 18187 final File ceDir = Environment.getDataUserCeDirectory(volumeUuid, userId); 18188 final File deDir = Environment.getDataUserDeDirectory(volumeUuid, userId); 18189 18190 boolean restoreconNeeded = false; 18191 18192 // First look for stale data that doesn't belong, and check if things 18193 // have changed since we did our last restorecon 18194 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 18195 if (!isUserKeyUnlocked(userId)) { 18196 throw new RuntimeException( 18197 "Yikes, someone asked us to reconcile CE storage while " + userId 18198 + " was still locked; this would have caused massive data loss!"); 18199 } 18200 18201 restoreconNeeded |= SELinuxMMAC.isRestoreconNeeded(ceDir); 18202 18203 final File[] files = FileUtils.listFilesOrEmpty(ceDir); 18204 for (File file : files) { 18205 final String packageName = file.getName(); 18206 try { 18207 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 18208 } catch (PackageManagerException e) { 18209 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 18210 synchronized (mInstallLock) { 18211 destroyAppDataLI(volumeUuid, packageName, userId, 18212 StorageManager.FLAG_STORAGE_CE); 18213 } 18214 } 18215 } 18216 } 18217 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 18218 restoreconNeeded |= SELinuxMMAC.isRestoreconNeeded(deDir); 18219 18220 final File[] files = FileUtils.listFilesOrEmpty(deDir); 18221 for (File file : files) { 18222 final String packageName = file.getName(); 18223 try { 18224 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 18225 } catch (PackageManagerException e) { 18226 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 18227 synchronized (mInstallLock) { 18228 destroyAppDataLI(volumeUuid, packageName, userId, 18229 StorageManager.FLAG_STORAGE_DE); 18230 } 18231 } 18232 } 18233 } 18234 18235 // Ensure that data directories are ready to roll for all packages 18236 // installed for this volume and user 18237 final List<PackageSetting> packages; 18238 synchronized (mPackages) { 18239 packages = mSettings.getVolumePackagesLPr(volumeUuid); 18240 } 18241 int preparedCount = 0; 18242 for (PackageSetting ps : packages) { 18243 final String packageName = ps.name; 18244 if (ps.pkg == null) { 18245 Slog.w(TAG, "Odd, missing scanned package " + packageName); 18246 // TODO: might be due to legacy ASEC apps; we should circle back 18247 // and reconcile again once they're scanned 18248 continue; 18249 } 18250 18251 if (ps.getInstalled(userId)) { 18252 prepareAppData(volumeUuid, userId, flags, ps.pkg, restoreconNeeded); 18253 18254 if (maybeMigrateAppData(volumeUuid, userId, ps.pkg)) { 18255 // We may have just shuffled around app data directories, so 18256 // prepare them one more time 18257 prepareAppData(volumeUuid, userId, flags, ps.pkg, restoreconNeeded); 18258 } 18259 18260 preparedCount++; 18261 } 18262 } 18263 18264 if (restoreconNeeded) { 18265 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 18266 SELinuxMMAC.setRestoreconDone(ceDir); 18267 } 18268 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 18269 SELinuxMMAC.setRestoreconDone(deDir); 18270 } 18271 } 18272 18273 Slog.v(TAG, "reconcileAppsData finished " + preparedCount 18274 + " packages; restoreconNeeded was " + restoreconNeeded); 18275 } 18276 18277 /** 18278 * Prepare app data for the given app just after it was installed or 18279 * upgraded. This method carefully only touches users that it's installed 18280 * for, and it forces a restorecon to handle any seinfo changes. 18281 * <p> 18282 * Verifies that directories exist and that ownership and labeling is 18283 * correct for all installed apps. If there is an ownership mismatch, it 18284 * will try recovering system apps by wiping data; third-party app data is 18285 * left intact. 18286 * <p> 18287 * <em>Note: To avoid a deadlock, do not call this method with {@code mPackages} lock held</em> 18288 */ 18289 private void prepareAppDataAfterInstall(PackageParser.Package pkg) { 18290 prepareAppDataAfterInstallInternal(pkg); 18291 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 18292 for (int i = 0; i < childCount; i++) { 18293 PackageParser.Package childPackage = pkg.childPackages.get(i); 18294 prepareAppDataAfterInstallInternal(childPackage); 18295 } 18296 } 18297 18298 private void prepareAppDataAfterInstallInternal(PackageParser.Package pkg) { 18299 final PackageSetting ps; 18300 synchronized (mPackages) { 18301 ps = mSettings.mPackages.get(pkg.packageName); 18302 mSettings.writeKernelMappingLPr(ps); 18303 } 18304 18305 final UserManager um = mContext.getSystemService(UserManager.class); 18306 for (UserInfo user : um.getUsers()) { 18307 final int flags; 18308 if (um.isUserUnlocked(user.id)) { 18309 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 18310 } else if (um.isUserRunning(user.id)) { 18311 flags = StorageManager.FLAG_STORAGE_DE; 18312 } else { 18313 continue; 18314 } 18315 18316 if (ps.getInstalled(user.id)) { 18317 // Whenever an app changes, force a restorecon of its data 18318 // TODO: when user data is locked, mark that we're still dirty 18319 prepareAppData(pkg.volumeUuid, user.id, flags, pkg, true); 18320 } 18321 } 18322 } 18323 18324 /** 18325 * Prepare app data for the given app. 18326 * <p> 18327 * Verifies that directories exist and that ownership and labeling is 18328 * correct for all installed apps. If there is an ownership mismatch, this 18329 * will try recovering system apps by wiping data; third-party app data is 18330 * left intact. 18331 */ 18332 private void prepareAppData(String volumeUuid, int userId, int flags, 18333 PackageParser.Package pkg, boolean restoreconNeeded) { 18334 if (DEBUG_APP_DATA) { 18335 Slog.v(TAG, "prepareAppData for " + pkg.packageName + " u" + userId + " 0x" 18336 + Integer.toHexString(flags) + (restoreconNeeded ? " restoreconNeeded" : "")); 18337 } 18338 18339 final String packageName = pkg.packageName; 18340 final ApplicationInfo app = pkg.applicationInfo; 18341 final int appId = UserHandle.getAppId(app.uid); 18342 18343 Preconditions.checkNotNull(app.seinfo); 18344 18345 synchronized (mInstallLock) { 18346 try { 18347 mInstaller.createAppData(volumeUuid, packageName, userId, flags, 18348 appId, app.seinfo, app.targetSdkVersion); 18349 } catch (InstallerException e) { 18350 if (app.isSystemApp()) { 18351 logCriticalInfo(Log.ERROR, "Failed to create app data for " + packageName 18352 + ", but trying to recover: " + e); 18353 destroyAppDataLI(volumeUuid, packageName, userId, flags); 18354 try { 18355 mInstaller.createAppData(volumeUuid, packageName, userId, flags, 18356 appId, app.seinfo, app.targetSdkVersion); 18357 logCriticalInfo(Log.DEBUG, "Recovery succeeded!"); 18358 } catch (InstallerException e2) { 18359 logCriticalInfo(Log.DEBUG, "Recovery failed!"); 18360 } 18361 } else { 18362 Slog.e(TAG, "Failed to create app data for " + packageName + ": " + e); 18363 } 18364 } 18365 18366 if (restoreconNeeded) { 18367 restoreconAppDataLI(volumeUuid, packageName, userId, flags, appId, app.seinfo); 18368 } 18369 18370 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 18371 // Create a native library symlink only if we have native libraries 18372 // and if the native libraries are 32 bit libraries. We do not provide 18373 // this symlink for 64 bit libraries. 18374 if (app.primaryCpuAbi != null && !VMRuntime.is64BitAbi(app.primaryCpuAbi)) { 18375 final String nativeLibPath = app.nativeLibraryDir; 18376 try { 18377 mInstaller.linkNativeLibraryDirectory(volumeUuid, packageName, 18378 nativeLibPath, userId); 18379 } catch (InstallerException e) { 18380 Slog.e(TAG, "Failed to link native for " + packageName + ": " + e); 18381 } 18382 } 18383 } 18384 } 18385 } 18386 18387 /** 18388 * For system apps on non-FBE devices, this method migrates any existing 18389 * CE/DE data to match the {@code forceDeviceEncrypted} flag requested by 18390 * the app. 18391 */ 18392 private boolean maybeMigrateAppData(String volumeUuid, int userId, PackageParser.Package pkg) { 18393 if (pkg.isSystemApp() && !StorageManager.isFileEncryptedNativeOrEmulated() 18394 && PackageManager.APPLY_FORCE_DEVICE_ENCRYPTED) { 18395 final int storageTarget = pkg.applicationInfo.isForceDeviceEncrypted() 18396 ? StorageManager.FLAG_STORAGE_DE : StorageManager.FLAG_STORAGE_CE; 18397 synchronized (mInstallLock) { 18398 try { 18399 mInstaller.migrateAppData(volumeUuid, pkg.packageName, userId, storageTarget); 18400 } catch (InstallerException e) { 18401 logCriticalInfo(Log.WARN, 18402 "Failed to migrate " + pkg.packageName + ": " + e.getMessage()); 18403 } 18404 } 18405 return true; 18406 } else { 18407 return false; 18408 } 18409 } 18410 18411 private void unfreezePackage(String packageName) { 18412 synchronized (mPackages) { 18413 final PackageSetting ps = mSettings.mPackages.get(packageName); 18414 if (ps != null) { 18415 ps.frozen = false; 18416 } 18417 } 18418 } 18419 18420 @Override 18421 public int movePackage(final String packageName, final String volumeUuid) { 18422 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 18423 18424 final int moveId = mNextMoveId.getAndIncrement(); 18425 mHandler.post(new Runnable() { 18426 @Override 18427 public void run() { 18428 try { 18429 movePackageInternal(packageName, volumeUuid, moveId); 18430 } catch (PackageManagerException e) { 18431 Slog.w(TAG, "Failed to move " + packageName, e); 18432 mMoveCallbacks.notifyStatusChanged(moveId, 18433 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 18434 } 18435 } 18436 }); 18437 return moveId; 18438 } 18439 18440 private void movePackageInternal(final String packageName, final String volumeUuid, 18441 final int moveId) throws PackageManagerException { 18442 final UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 18443 final StorageManager storage = mContext.getSystemService(StorageManager.class); 18444 final PackageManager pm = mContext.getPackageManager(); 18445 18446 final boolean currentAsec; 18447 final String currentVolumeUuid; 18448 final File codeFile; 18449 final String installerPackageName; 18450 final String packageAbiOverride; 18451 final int appId; 18452 final String seinfo; 18453 final String label; 18454 final int targetSdkVersion; 18455 18456 // reader 18457 synchronized (mPackages) { 18458 final PackageParser.Package pkg = mPackages.get(packageName); 18459 final PackageSetting ps = mSettings.mPackages.get(packageName); 18460 if (pkg == null || ps == null) { 18461 throw new PackageManagerException(MOVE_FAILED_DOESNT_EXIST, "Missing package"); 18462 } 18463 18464 if (pkg.applicationInfo.isSystemApp()) { 18465 throw new PackageManagerException(MOVE_FAILED_SYSTEM_PACKAGE, 18466 "Cannot move system application"); 18467 } 18468 18469 if (pkg.applicationInfo.isExternalAsec()) { 18470 currentAsec = true; 18471 currentVolumeUuid = StorageManager.UUID_PRIMARY_PHYSICAL; 18472 } else if (pkg.applicationInfo.isForwardLocked()) { 18473 currentAsec = true; 18474 currentVolumeUuid = "forward_locked"; 18475 } else { 18476 currentAsec = false; 18477 currentVolumeUuid = ps.volumeUuid; 18478 18479 final File probe = new File(pkg.codePath); 18480 final File probeOat = new File(probe, "oat"); 18481 if (!probe.isDirectory() || !probeOat.isDirectory()) { 18482 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 18483 "Move only supported for modern cluster style installs"); 18484 } 18485 } 18486 18487 if (Objects.equals(currentVolumeUuid, volumeUuid)) { 18488 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 18489 "Package already moved to " + volumeUuid); 18490 } 18491 if (pkg.applicationInfo.isInternal() && isPackageDeviceAdminOnAnyUser(packageName)) { 18492 throw new PackageManagerException(MOVE_FAILED_DEVICE_ADMIN, 18493 "Device admin cannot be moved"); 18494 } 18495 18496 if (ps.frozen) { 18497 throw new PackageManagerException(MOVE_FAILED_OPERATION_PENDING, 18498 "Failed to move already frozen package"); 18499 } 18500 ps.frozen = true; 18501 18502 codeFile = new File(pkg.codePath); 18503 installerPackageName = ps.installerPackageName; 18504 packageAbiOverride = ps.cpuAbiOverrideString; 18505 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 18506 seinfo = pkg.applicationInfo.seinfo; 18507 label = String.valueOf(pm.getApplicationLabel(pkg.applicationInfo)); 18508 targetSdkVersion = pkg.applicationInfo.targetSdkVersion; 18509 } 18510 18511 // Now that we're guarded by frozen state, kill app during move 18512 final long token = Binder.clearCallingIdentity(); 18513 try { 18514 killApplication(packageName, appId, "move pkg"); 18515 } finally { 18516 Binder.restoreCallingIdentity(token); 18517 } 18518 18519 final Bundle extras = new Bundle(); 18520 extras.putString(Intent.EXTRA_PACKAGE_NAME, packageName); 18521 extras.putString(Intent.EXTRA_TITLE, label); 18522 mMoveCallbacks.notifyCreated(moveId, extras); 18523 18524 int installFlags; 18525 final boolean moveCompleteApp; 18526 final File measurePath; 18527 18528 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, volumeUuid)) { 18529 installFlags = INSTALL_INTERNAL; 18530 moveCompleteApp = !currentAsec; 18531 measurePath = Environment.getDataAppDirectory(volumeUuid); 18532 } else if (Objects.equals(StorageManager.UUID_PRIMARY_PHYSICAL, volumeUuid)) { 18533 installFlags = INSTALL_EXTERNAL; 18534 moveCompleteApp = false; 18535 measurePath = storage.getPrimaryPhysicalVolume().getPath(); 18536 } else { 18537 final VolumeInfo volume = storage.findVolumeByUuid(volumeUuid); 18538 if (volume == null || volume.getType() != VolumeInfo.TYPE_PRIVATE 18539 || !volume.isMountedWritable()) { 18540 unfreezePackage(packageName); 18541 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 18542 "Move location not mounted private volume"); 18543 } 18544 18545 Preconditions.checkState(!currentAsec); 18546 18547 installFlags = INSTALL_INTERNAL; 18548 moveCompleteApp = true; 18549 measurePath = Environment.getDataAppDirectory(volumeUuid); 18550 } 18551 18552 final PackageStats stats = new PackageStats(null, -1); 18553 synchronized (mInstaller) { 18554 if (!getPackageSizeInfoLI(packageName, -1, stats)) { 18555 unfreezePackage(packageName); 18556 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 18557 "Failed to measure package size"); 18558 } 18559 } 18560 18561 if (DEBUG_INSTALL) Slog.d(TAG, "Measured code size " + stats.codeSize + ", data size " 18562 + stats.dataSize); 18563 18564 final long startFreeBytes = measurePath.getFreeSpace(); 18565 final long sizeBytes; 18566 if (moveCompleteApp) { 18567 sizeBytes = stats.codeSize + stats.dataSize; 18568 } else { 18569 sizeBytes = stats.codeSize; 18570 } 18571 18572 if (sizeBytes > storage.getStorageBytesUntilLow(measurePath)) { 18573 unfreezePackage(packageName); 18574 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 18575 "Not enough free space to move"); 18576 } 18577 18578 mMoveCallbacks.notifyStatusChanged(moveId, 10); 18579 18580 final CountDownLatch installedLatch = new CountDownLatch(1); 18581 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 18582 @Override 18583 public void onUserActionRequired(Intent intent) throws RemoteException { 18584 throw new IllegalStateException(); 18585 } 18586 18587 @Override 18588 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 18589 Bundle extras) throws RemoteException { 18590 if (DEBUG_INSTALL) Slog.d(TAG, "Install result for move: " 18591 + PackageManager.installStatusToString(returnCode, msg)); 18592 18593 installedLatch.countDown(); 18594 18595 // Regardless of success or failure of the move operation, 18596 // always unfreeze the package 18597 unfreezePackage(packageName); 18598 18599 final int status = PackageManager.installStatusToPublicStatus(returnCode); 18600 switch (status) { 18601 case PackageInstaller.STATUS_SUCCESS: 18602 mMoveCallbacks.notifyStatusChanged(moveId, 18603 PackageManager.MOVE_SUCCEEDED); 18604 break; 18605 case PackageInstaller.STATUS_FAILURE_STORAGE: 18606 mMoveCallbacks.notifyStatusChanged(moveId, 18607 PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 18608 break; 18609 default: 18610 mMoveCallbacks.notifyStatusChanged(moveId, 18611 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 18612 break; 18613 } 18614 } 18615 }; 18616 18617 final MoveInfo move; 18618 if (moveCompleteApp) { 18619 // Kick off a thread to report progress estimates 18620 new Thread() { 18621 @Override 18622 public void run() { 18623 while (true) { 18624 try { 18625 if (installedLatch.await(1, TimeUnit.SECONDS)) { 18626 break; 18627 } 18628 } catch (InterruptedException ignored) { 18629 } 18630 18631 final long deltaFreeBytes = startFreeBytes - measurePath.getFreeSpace(); 18632 final int progress = 10 + (int) MathUtils.constrain( 18633 ((deltaFreeBytes * 80) / sizeBytes), 0, 80); 18634 mMoveCallbacks.notifyStatusChanged(moveId, progress); 18635 } 18636 } 18637 }.start(); 18638 18639 final String dataAppName = codeFile.getName(); 18640 move = new MoveInfo(moveId, currentVolumeUuid, volumeUuid, packageName, 18641 dataAppName, appId, seinfo, targetSdkVersion); 18642 } else { 18643 move = null; 18644 } 18645 18646 installFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 18647 18648 final Message msg = mHandler.obtainMessage(INIT_COPY); 18649 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 18650 final InstallParams params = new InstallParams(origin, move, installObserver, installFlags, 18651 installerPackageName, volumeUuid, null /*verificationInfo*/, user, 18652 packageAbiOverride, null); 18653 params.setTraceMethod("movePackage").setTraceCookie(System.identityHashCode(params)); 18654 msg.obj = params; 18655 18656 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "movePackage", 18657 System.identityHashCode(msg.obj)); 18658 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 18659 System.identityHashCode(msg.obj)); 18660 18661 mHandler.sendMessage(msg); 18662 } 18663 18664 @Override 18665 public int movePrimaryStorage(String volumeUuid) throws RemoteException { 18666 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 18667 18668 final int realMoveId = mNextMoveId.getAndIncrement(); 18669 final Bundle extras = new Bundle(); 18670 extras.putString(VolumeRecord.EXTRA_FS_UUID, volumeUuid); 18671 mMoveCallbacks.notifyCreated(realMoveId, extras); 18672 18673 final IPackageMoveObserver callback = new IPackageMoveObserver.Stub() { 18674 @Override 18675 public void onCreated(int moveId, Bundle extras) { 18676 // Ignored 18677 } 18678 18679 @Override 18680 public void onStatusChanged(int moveId, int status, long estMillis) { 18681 mMoveCallbacks.notifyStatusChanged(realMoveId, status, estMillis); 18682 } 18683 }; 18684 18685 final StorageManager storage = mContext.getSystemService(StorageManager.class); 18686 storage.setPrimaryStorageUuid(volumeUuid, callback); 18687 return realMoveId; 18688 } 18689 18690 @Override 18691 public int getMoveStatus(int moveId) { 18692 mContext.enforceCallingOrSelfPermission( 18693 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 18694 return mMoveCallbacks.mLastStatus.get(moveId); 18695 } 18696 18697 @Override 18698 public void registerMoveCallback(IPackageMoveObserver callback) { 18699 mContext.enforceCallingOrSelfPermission( 18700 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 18701 mMoveCallbacks.register(callback); 18702 } 18703 18704 @Override 18705 public void unregisterMoveCallback(IPackageMoveObserver callback) { 18706 mContext.enforceCallingOrSelfPermission( 18707 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 18708 mMoveCallbacks.unregister(callback); 18709 } 18710 18711 @Override 18712 public boolean setInstallLocation(int loc) { 18713 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 18714 null); 18715 if (getInstallLocation() == loc) { 18716 return true; 18717 } 18718 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 18719 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 18720 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 18721 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 18722 return true; 18723 } 18724 return false; 18725 } 18726 18727 @Override 18728 public int getInstallLocation() { 18729 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 18730 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 18731 PackageHelper.APP_INSTALL_AUTO); 18732 } 18733 18734 /** Called by UserManagerService */ 18735 void cleanUpUser(UserManagerService userManager, int userHandle) { 18736 synchronized (mPackages) { 18737 mDirtyUsers.remove(userHandle); 18738 mUserNeedsBadging.delete(userHandle); 18739 mSettings.removeUserLPw(userHandle); 18740 mPendingBroadcasts.remove(userHandle); 18741 mEphemeralApplicationRegistry.onUserRemovedLPw(userHandle); 18742 } 18743 synchronized (mInstallLock) { 18744 final StorageManager storage = mContext.getSystemService(StorageManager.class); 18745 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 18746 final String volumeUuid = vol.getFsUuid(); 18747 if (DEBUG_INSTALL) Slog.d(TAG, "Removing user data on volume " + volumeUuid); 18748 try { 18749 mInstaller.removeUserDataDirs(volumeUuid, userHandle); 18750 } catch (InstallerException e) { 18751 Slog.w(TAG, "Failed to remove user data", e); 18752 } 18753 } 18754 synchronized (mPackages) { 18755 removeUnusedPackagesLILPw(userManager, userHandle); 18756 } 18757 } 18758 } 18759 18760 /** 18761 * We're removing userHandle and would like to remove any downloaded packages 18762 * that are no longer in use by any other user. 18763 * @param userHandle the user being removed 18764 */ 18765 private void removeUnusedPackagesLILPw(UserManagerService userManager, final int userHandle) { 18766 final boolean DEBUG_CLEAN_APKS = false; 18767 int [] users = userManager.getUserIds(); 18768 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 18769 while (psit.hasNext()) { 18770 PackageSetting ps = psit.next(); 18771 if (ps.pkg == null) { 18772 continue; 18773 } 18774 final String packageName = ps.pkg.packageName; 18775 // Skip over if system app 18776 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 18777 continue; 18778 } 18779 if (DEBUG_CLEAN_APKS) { 18780 Slog.i(TAG, "Checking package " + packageName); 18781 } 18782 boolean keep = shouldKeepUninstalledPackageLPr(packageName); 18783 if (keep) { 18784 if (DEBUG_CLEAN_APKS) { 18785 Slog.i(TAG, " Keeping package " + packageName + " - requested by DO"); 18786 } 18787 } else { 18788 for (int i = 0; i < users.length; i++) { 18789 if (users[i] != userHandle && ps.getInstalled(users[i])) { 18790 keep = true; 18791 if (DEBUG_CLEAN_APKS) { 18792 Slog.i(TAG, " Keeping package " + packageName + " for user " 18793 + users[i]); 18794 } 18795 break; 18796 } 18797 } 18798 } 18799 if (!keep) { 18800 if (DEBUG_CLEAN_APKS) { 18801 Slog.i(TAG, " Removing package " + packageName); 18802 } 18803 mHandler.post(new Runnable() { 18804 public void run() { 18805 deletePackageX(packageName, userHandle, 0); 18806 } //end run 18807 }); 18808 } 18809 } 18810 } 18811 18812 /** Called by UserManagerService */ 18813 void createNewUser(int userHandle) { 18814 synchronized (mInstallLock) { 18815 try { 18816 mInstaller.createUserConfig(userHandle); 18817 } catch (InstallerException e) { 18818 Slog.w(TAG, "Failed to create user config", e); 18819 } 18820 mSettings.createNewUserLI(this, mInstaller, userHandle); 18821 } 18822 synchronized (mPackages) { 18823 applyFactoryDefaultBrowserLPw(userHandle); 18824 primeDomainVerificationsLPw(userHandle); 18825 } 18826 } 18827 18828 void newUserCreated(final int userHandle) { 18829 mDefaultPermissionPolicy.grantDefaultPermissions(userHandle); 18830 // If permission review for legacy apps is required, we represent 18831 // dagerous permissions for such apps as always granted runtime 18832 // permissions to keep per user flag state whether review is needed. 18833 // Hence, if a new user is added we have to propagate dangerous 18834 // permission grants for these legacy apps. 18835 if (Build.PERMISSIONS_REVIEW_REQUIRED) { 18836 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 18837 | UPDATE_PERMISSIONS_REPLACE_ALL); 18838 } 18839 } 18840 18841 @Override 18842 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 18843 mContext.enforceCallingOrSelfPermission( 18844 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 18845 "Only package verification agents can read the verifier device identity"); 18846 18847 synchronized (mPackages) { 18848 return mSettings.getVerifierDeviceIdentityLPw(); 18849 } 18850 } 18851 18852 @Override 18853 public void setPermissionEnforced(String permission, boolean enforced) { 18854 // TODO: Now that we no longer change GID for storage, this should to away. 18855 mContext.enforceCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 18856 "setPermissionEnforced"); 18857 if (READ_EXTERNAL_STORAGE.equals(permission)) { 18858 synchronized (mPackages) { 18859 if (mSettings.mReadExternalStorageEnforced == null 18860 || mSettings.mReadExternalStorageEnforced != enforced) { 18861 mSettings.mReadExternalStorageEnforced = enforced; 18862 mSettings.writeLPr(); 18863 } 18864 } 18865 // kill any non-foreground processes so we restart them and 18866 // grant/revoke the GID. 18867 final IActivityManager am = ActivityManagerNative.getDefault(); 18868 if (am != null) { 18869 final long token = Binder.clearCallingIdentity(); 18870 try { 18871 am.killProcessesBelowForeground("setPermissionEnforcement"); 18872 } catch (RemoteException e) { 18873 } finally { 18874 Binder.restoreCallingIdentity(token); 18875 } 18876 } 18877 } else { 18878 throw new IllegalArgumentException("No selective enforcement for " + permission); 18879 } 18880 } 18881 18882 @Override 18883 @Deprecated 18884 public boolean isPermissionEnforced(String permission) { 18885 return true; 18886 } 18887 18888 @Override 18889 public boolean isStorageLow() { 18890 final long token = Binder.clearCallingIdentity(); 18891 try { 18892 final DeviceStorageMonitorInternal 18893 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 18894 if (dsm != null) { 18895 return dsm.isMemoryLow(); 18896 } else { 18897 return false; 18898 } 18899 } finally { 18900 Binder.restoreCallingIdentity(token); 18901 } 18902 } 18903 18904 @Override 18905 public IPackageInstaller getPackageInstaller() { 18906 return mInstallerService; 18907 } 18908 18909 private boolean userNeedsBadging(int userId) { 18910 int index = mUserNeedsBadging.indexOfKey(userId); 18911 if (index < 0) { 18912 final UserInfo userInfo; 18913 final long token = Binder.clearCallingIdentity(); 18914 try { 18915 userInfo = sUserManager.getUserInfo(userId); 18916 } finally { 18917 Binder.restoreCallingIdentity(token); 18918 } 18919 final boolean b; 18920 if (userInfo != null && userInfo.isManagedProfile()) { 18921 b = true; 18922 } else { 18923 b = false; 18924 } 18925 mUserNeedsBadging.put(userId, b); 18926 return b; 18927 } 18928 return mUserNeedsBadging.valueAt(index); 18929 } 18930 18931 @Override 18932 public KeySet getKeySetByAlias(String packageName, String alias) { 18933 if (packageName == null || alias == null) { 18934 return null; 18935 } 18936 synchronized(mPackages) { 18937 final PackageParser.Package pkg = mPackages.get(packageName); 18938 if (pkg == null) { 18939 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 18940 throw new IllegalArgumentException("Unknown package: " + packageName); 18941 } 18942 KeySetManagerService ksms = mSettings.mKeySetManagerService; 18943 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 18944 } 18945 } 18946 18947 @Override 18948 public KeySet getSigningKeySet(String packageName) { 18949 if (packageName == null) { 18950 return null; 18951 } 18952 synchronized(mPackages) { 18953 final PackageParser.Package pkg = mPackages.get(packageName); 18954 if (pkg == null) { 18955 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 18956 throw new IllegalArgumentException("Unknown package: " + packageName); 18957 } 18958 if (pkg.applicationInfo.uid != Binder.getCallingUid() 18959 && Process.SYSTEM_UID != Binder.getCallingUid()) { 18960 throw new SecurityException("May not access signing KeySet of other apps."); 18961 } 18962 KeySetManagerService ksms = mSettings.mKeySetManagerService; 18963 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 18964 } 18965 } 18966 18967 @Override 18968 public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { 18969 if (packageName == null || ks == null) { 18970 return false; 18971 } 18972 synchronized(mPackages) { 18973 final PackageParser.Package pkg = mPackages.get(packageName); 18974 if (pkg == null) { 18975 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 18976 throw new IllegalArgumentException("Unknown package: " + packageName); 18977 } 18978 IBinder ksh = ks.getToken(); 18979 if (ksh instanceof KeySetHandle) { 18980 KeySetManagerService ksms = mSettings.mKeySetManagerService; 18981 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 18982 } 18983 return false; 18984 } 18985 } 18986 18987 @Override 18988 public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { 18989 if (packageName == null || ks == null) { 18990 return false; 18991 } 18992 synchronized(mPackages) { 18993 final PackageParser.Package pkg = mPackages.get(packageName); 18994 if (pkg == null) { 18995 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 18996 throw new IllegalArgumentException("Unknown package: " + packageName); 18997 } 18998 IBinder ksh = ks.getToken(); 18999 if (ksh instanceof KeySetHandle) { 19000 KeySetManagerService ksms = mSettings.mKeySetManagerService; 19001 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 19002 } 19003 return false; 19004 } 19005 } 19006 19007 private void deletePackageIfUnusedLPr(final String packageName) { 19008 PackageSetting ps = mSettings.mPackages.get(packageName); 19009 if (ps == null) { 19010 return; 19011 } 19012 if (!ps.isAnyInstalled(sUserManager.getUserIds())) { 19013 // TODO Implement atomic delete if package is unused 19014 // It is currently possible that the package will be deleted even if it is installed 19015 // after this method returns. 19016 mHandler.post(new Runnable() { 19017 public void run() { 19018 deletePackageX(packageName, 0, PackageManager.DELETE_ALL_USERS); 19019 } 19020 }); 19021 } 19022 } 19023 19024 /** 19025 * Check and throw if the given before/after packages would be considered a 19026 * downgrade. 19027 */ 19028 private static void checkDowngrade(PackageParser.Package before, PackageInfoLite after) 19029 throws PackageManagerException { 19030 if (after.versionCode < before.mVersionCode) { 19031 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 19032 "Update version code " + after.versionCode + " is older than current " 19033 + before.mVersionCode); 19034 } else if (after.versionCode == before.mVersionCode) { 19035 if (after.baseRevisionCode < before.baseRevisionCode) { 19036 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 19037 "Update base revision code " + after.baseRevisionCode 19038 + " is older than current " + before.baseRevisionCode); 19039 } 19040 19041 if (!ArrayUtils.isEmpty(after.splitNames)) { 19042 for (int i = 0; i < after.splitNames.length; i++) { 19043 final String splitName = after.splitNames[i]; 19044 final int j = ArrayUtils.indexOf(before.splitNames, splitName); 19045 if (j != -1) { 19046 if (after.splitRevisionCodes[i] < before.splitRevisionCodes[j]) { 19047 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 19048 "Update split " + splitName + " revision code " 19049 + after.splitRevisionCodes[i] + " is older than current " 19050 + before.splitRevisionCodes[j]); 19051 } 19052 } 19053 } 19054 } 19055 } 19056 } 19057 19058 private static class MoveCallbacks extends Handler { 19059 private static final int MSG_CREATED = 1; 19060 private static final int MSG_STATUS_CHANGED = 2; 19061 19062 private final RemoteCallbackList<IPackageMoveObserver> 19063 mCallbacks = new RemoteCallbackList<>(); 19064 19065 private final SparseIntArray mLastStatus = new SparseIntArray(); 19066 19067 public MoveCallbacks(Looper looper) { 19068 super(looper); 19069 } 19070 19071 public void register(IPackageMoveObserver callback) { 19072 mCallbacks.register(callback); 19073 } 19074 19075 public void unregister(IPackageMoveObserver callback) { 19076 mCallbacks.unregister(callback); 19077 } 19078 19079 @Override 19080 public void handleMessage(Message msg) { 19081 final SomeArgs args = (SomeArgs) msg.obj; 19082 final int n = mCallbacks.beginBroadcast(); 19083 for (int i = 0; i < n; i++) { 19084 final IPackageMoveObserver callback = mCallbacks.getBroadcastItem(i); 19085 try { 19086 invokeCallback(callback, msg.what, args); 19087 } catch (RemoteException ignored) { 19088 } 19089 } 19090 mCallbacks.finishBroadcast(); 19091 args.recycle(); 19092 } 19093 19094 private void invokeCallback(IPackageMoveObserver callback, int what, SomeArgs args) 19095 throws RemoteException { 19096 switch (what) { 19097 case MSG_CREATED: { 19098 callback.onCreated(args.argi1, (Bundle) args.arg2); 19099 break; 19100 } 19101 case MSG_STATUS_CHANGED: { 19102 callback.onStatusChanged(args.argi1, args.argi2, (long) args.arg3); 19103 break; 19104 } 19105 } 19106 } 19107 19108 private void notifyCreated(int moveId, Bundle extras) { 19109 Slog.v(TAG, "Move " + moveId + " created " + extras.toString()); 19110 19111 final SomeArgs args = SomeArgs.obtain(); 19112 args.argi1 = moveId; 19113 args.arg2 = extras; 19114 obtainMessage(MSG_CREATED, args).sendToTarget(); 19115 } 19116 19117 private void notifyStatusChanged(int moveId, int status) { 19118 notifyStatusChanged(moveId, status, -1); 19119 } 19120 19121 private void notifyStatusChanged(int moveId, int status, long estMillis) { 19122 Slog.v(TAG, "Move " + moveId + " status " + status); 19123 19124 final SomeArgs args = SomeArgs.obtain(); 19125 args.argi1 = moveId; 19126 args.argi2 = status; 19127 args.arg3 = estMillis; 19128 obtainMessage(MSG_STATUS_CHANGED, args).sendToTarget(); 19129 19130 synchronized (mLastStatus) { 19131 mLastStatus.put(moveId, status); 19132 } 19133 } 19134 } 19135 19136 private final static class OnPermissionChangeListeners extends Handler { 19137 private static final int MSG_ON_PERMISSIONS_CHANGED = 1; 19138 19139 private final RemoteCallbackList<IOnPermissionsChangeListener> mPermissionListeners = 19140 new RemoteCallbackList<>(); 19141 19142 public OnPermissionChangeListeners(Looper looper) { 19143 super(looper); 19144 } 19145 19146 @Override 19147 public void handleMessage(Message msg) { 19148 switch (msg.what) { 19149 case MSG_ON_PERMISSIONS_CHANGED: { 19150 final int uid = msg.arg1; 19151 handleOnPermissionsChanged(uid); 19152 } break; 19153 } 19154 } 19155 19156 public void addListenerLocked(IOnPermissionsChangeListener listener) { 19157 mPermissionListeners.register(listener); 19158 19159 } 19160 19161 public void removeListenerLocked(IOnPermissionsChangeListener listener) { 19162 mPermissionListeners.unregister(listener); 19163 } 19164 19165 public void onPermissionsChanged(int uid) { 19166 if (mPermissionListeners.getRegisteredCallbackCount() > 0) { 19167 obtainMessage(MSG_ON_PERMISSIONS_CHANGED, uid, 0).sendToTarget(); 19168 } 19169 } 19170 19171 private void handleOnPermissionsChanged(int uid) { 19172 final int count = mPermissionListeners.beginBroadcast(); 19173 try { 19174 for (int i = 0; i < count; i++) { 19175 IOnPermissionsChangeListener callback = mPermissionListeners 19176 .getBroadcastItem(i); 19177 try { 19178 callback.onPermissionsChanged(uid); 19179 } catch (RemoteException e) { 19180 Log.e(TAG, "Permission listener is dead", e); 19181 } 19182 } 19183 } finally { 19184 mPermissionListeners.finishBroadcast(); 19185 } 19186 } 19187 } 19188 19189 private class PackageManagerInternalImpl extends PackageManagerInternal { 19190 @Override 19191 public void setLocationPackagesProvider(PackagesProvider provider) { 19192 synchronized (mPackages) { 19193 mDefaultPermissionPolicy.setLocationPackagesProviderLPw(provider); 19194 } 19195 } 19196 19197 @Override 19198 public void setVoiceInteractionPackagesProvider(PackagesProvider provider) { 19199 synchronized (mPackages) { 19200 mDefaultPermissionPolicy.setVoiceInteractionPackagesProviderLPw(provider); 19201 } 19202 } 19203 19204 @Override 19205 public void setSmsAppPackagesProvider(PackagesProvider provider) { 19206 synchronized (mPackages) { 19207 mDefaultPermissionPolicy.setSmsAppPackagesProviderLPw(provider); 19208 } 19209 } 19210 19211 @Override 19212 public void setDialerAppPackagesProvider(PackagesProvider provider) { 19213 synchronized (mPackages) { 19214 mDefaultPermissionPolicy.setDialerAppPackagesProviderLPw(provider); 19215 } 19216 } 19217 19218 @Override 19219 public void setSimCallManagerPackagesProvider(PackagesProvider provider) { 19220 synchronized (mPackages) { 19221 mDefaultPermissionPolicy.setSimCallManagerPackagesProviderLPw(provider); 19222 } 19223 } 19224 19225 @Override 19226 public void setSyncAdapterPackagesprovider(SyncAdapterPackagesProvider provider) { 19227 synchronized (mPackages) { 19228 mDefaultPermissionPolicy.setSyncAdapterPackagesProviderLPw(provider); 19229 } 19230 } 19231 19232 @Override 19233 public void grantDefaultPermissionsToDefaultSmsApp(String packageName, int userId) { 19234 synchronized (mPackages) { 19235 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSmsAppLPr( 19236 packageName, userId); 19237 } 19238 } 19239 19240 @Override 19241 public void grantDefaultPermissionsToDefaultDialerApp(String packageName, int userId) { 19242 synchronized (mPackages) { 19243 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultDialerAppLPr( 19244 packageName, userId); 19245 } 19246 } 19247 19248 @Override 19249 public void grantDefaultPermissionsToDefaultSimCallManager(String packageName, int userId) { 19250 synchronized (mPackages) { 19251 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSimCallManagerLPr( 19252 packageName, userId); 19253 } 19254 } 19255 19256 @Override 19257 public void setKeepUninstalledPackages(final List<String> packageList) { 19258 Preconditions.checkNotNull(packageList); 19259 List<String> removedFromList = null; 19260 synchronized (mPackages) { 19261 if (mKeepUninstalledPackages != null) { 19262 final int packagesCount = mKeepUninstalledPackages.size(); 19263 for (int i = 0; i < packagesCount; i++) { 19264 String oldPackage = mKeepUninstalledPackages.get(i); 19265 if (packageList != null && packageList.contains(oldPackage)) { 19266 continue; 19267 } 19268 if (removedFromList == null) { 19269 removedFromList = new ArrayList<>(); 19270 } 19271 removedFromList.add(oldPackage); 19272 } 19273 } 19274 mKeepUninstalledPackages = new ArrayList<>(packageList); 19275 if (removedFromList != null) { 19276 final int removedCount = removedFromList.size(); 19277 for (int i = 0; i < removedCount; i++) { 19278 deletePackageIfUnusedLPr(removedFromList.get(i)); 19279 } 19280 } 19281 } 19282 } 19283 19284 @Override 19285 public boolean isPermissionsReviewRequired(String packageName, int userId) { 19286 synchronized (mPackages) { 19287 // If we do not support permission review, done. 19288 if (!Build.PERMISSIONS_REVIEW_REQUIRED) { 19289 return false; 19290 } 19291 19292 PackageSetting packageSetting = mSettings.mPackages.get(packageName); 19293 if (packageSetting == null) { 19294 return false; 19295 } 19296 19297 // Permission review applies only to apps not supporting the new permission model. 19298 if (packageSetting.pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.M) { 19299 return false; 19300 } 19301 19302 // Legacy apps have the permission and get user consent on launch. 19303 PermissionsState permissionsState = packageSetting.getPermissionsState(); 19304 return permissionsState.isPermissionReviewRequired(userId); 19305 } 19306 } 19307 19308 @Override 19309 public ApplicationInfo getApplicationInfo(String packageName, int userId) { 19310 return PackageManagerService.this.getApplicationInfo(packageName, 0 /*flags*/, userId); 19311 } 19312 19313 @Override 19314 public ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 19315 int userId) { 19316 return PackageManagerService.this.getHomeActivitiesAsUser(allHomeCandidates, userId); 19317 } 19318 } 19319 19320 @Override 19321 public void grantDefaultPermissionsToEnabledCarrierApps(String[] packageNames, int userId) { 19322 enforceSystemOrPhoneCaller("grantPermissionsToEnabledCarrierApps"); 19323 synchronized (mPackages) { 19324 final long identity = Binder.clearCallingIdentity(); 19325 try { 19326 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledCarrierAppsLPr( 19327 packageNames, userId); 19328 } finally { 19329 Binder.restoreCallingIdentity(identity); 19330 } 19331 } 19332 } 19333 19334 private static void enforceSystemOrPhoneCaller(String tag) { 19335 int callingUid = Binder.getCallingUid(); 19336 if (callingUid != Process.PHONE_UID && callingUid != Process.SYSTEM_UID) { 19337 throw new SecurityException( 19338 "Cannot call " + tag + " from UID " + callingUid); 19339 } 19340 } 19341 19342 boolean isHistoricalPackageUsageAvailable() { 19343 return mPackageUsage.isHistoricalPackageUsageAvailable(); 19344 } 19345 19346 /** 19347 * Return a <b>copy</b> of the collection of packages known to the package manager. 19348 * @return A copy of the values of mPackages. 19349 */ 19350 Collection<PackageParser.Package> getPackages() { 19351 synchronized (mPackages) { 19352 return new ArrayList<>(mPackages.values()); 19353 } 19354 } 19355} 19356