PackageManagerService.java revision d9d438ac4e851275abb4ddc6671f74701e07b4fc
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_DIRECT_BOOT_AWARE; 65import static android.content.pm.PackageManager.MATCH_DIRECT_BOOT_UNAWARE; 66import static android.content.pm.PackageManager.MATCH_DISABLED_COMPONENTS; 67import static android.content.pm.PackageManager.MATCH_FACTORY_ONLY; 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.FIRST_APPLICATION_UID; 80import static android.os.Process.PACKAGE_INFO_GID; 81import static android.os.Process.SYSTEM_UID; 82import static android.os.Trace.TRACE_TAG_PACKAGE_MANAGER; 83import static android.system.OsConstants.O_CREAT; 84import static android.system.OsConstants.O_RDWR; 85 86import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_MANAGED_PROFILE; 87import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_PARENT; 88import static com.android.internal.content.NativeLibraryHelper.LIB64_DIR_NAME; 89import static com.android.internal.content.NativeLibraryHelper.LIB_DIR_NAME; 90import static com.android.internal.util.ArrayUtils.appendInt; 91import static com.android.server.pm.Installer.DEXOPT_PUBLIC; 92import static com.android.server.pm.InstructionSets.getAppDexInstructionSets; 93import static com.android.server.pm.InstructionSets.getDexCodeInstructionSet; 94import static com.android.server.pm.InstructionSets.getDexCodeInstructionSets; 95import static com.android.server.pm.InstructionSets.getPreferredInstructionSet; 96import static com.android.server.pm.InstructionSets.getPrimaryInstructionSet; 97import static com.android.server.pm.PackageManagerServiceCompilerMapping.getCompilerFilterForReason; 98import static com.android.server.pm.PackageManagerServiceCompilerMapping.getFullCompilerFilter; 99import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_FAILURE; 100import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS; 101import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED; 102 103import android.Manifest; 104import android.annotation.NonNull; 105import android.annotation.Nullable; 106import android.app.ActivityManager; 107import android.app.ActivityManagerNative; 108import android.app.IActivityManager; 109import android.app.admin.DevicePolicyManagerInternal; 110import android.app.admin.IDevicePolicyManager; 111import android.app.admin.SecurityLog; 112import android.app.backup.IBackupManager; 113import android.content.BroadcastReceiver; 114import android.content.ComponentName; 115import android.content.Context; 116import android.content.IIntentReceiver; 117import android.content.Intent; 118import android.content.IntentFilter; 119import android.content.IntentFilter.AuthorityEntry; 120import android.content.IntentSender; 121import android.content.IntentSender.SendIntentException; 122import android.content.ServiceConnection; 123import android.content.pm.ActivityInfo; 124import android.content.pm.ApplicationInfo; 125import android.content.pm.AppsQueryHelper; 126import android.content.pm.ComponentInfo; 127import android.content.pm.EphemeralApplicationInfo; 128import android.content.pm.EphemeralResolveInfo; 129import android.content.pm.EphemeralResolveInfo.EphemeralResolveIntentInfo; 130import android.content.pm.FeatureInfo; 131import android.content.pm.IOnPermissionsChangeListener; 132import android.content.pm.IPackageDataObserver; 133import android.content.pm.IPackageDeleteObserver; 134import android.content.pm.IPackageDeleteObserver2; 135import android.content.pm.IPackageInstallObserver2; 136import android.content.pm.IPackageInstaller; 137import android.content.pm.IPackageManager; 138import android.content.pm.IPackageMoveObserver; 139import android.content.pm.IPackageStatsObserver; 140import android.content.pm.InstrumentationInfo; 141import android.content.pm.IntentFilterVerificationInfo; 142import android.content.pm.KeySet; 143import android.content.pm.PackageCleanItem; 144import android.content.pm.PackageInfo; 145import android.content.pm.PackageInfoLite; 146import android.content.pm.PackageInstaller; 147import android.content.pm.PackageManager; 148import android.content.pm.PackageManager.LegacyPackageDeleteObserver; 149import android.content.pm.PackageManagerInternal; 150import android.content.pm.PackageParser; 151import android.content.pm.PackageParser.ActivityIntentInfo; 152import android.content.pm.PackageParser.IntentInfo; 153import android.content.pm.PackageParser.PackageLite; 154import android.content.pm.PackageParser.PackageParserException; 155import android.content.pm.PackageStats; 156import android.content.pm.PackageUserState; 157import android.content.pm.ParceledListSlice; 158import android.content.pm.PermissionGroupInfo; 159import android.content.pm.PermissionInfo; 160import android.content.pm.ProviderInfo; 161import android.content.pm.ResolveInfo; 162import android.content.pm.ServiceInfo; 163import android.content.pm.Signature; 164import android.content.pm.UserInfo; 165import android.content.pm.VerifierDeviceIdentity; 166import android.content.pm.VerifierInfo; 167import android.content.res.Resources; 168import android.graphics.Bitmap; 169import android.hardware.display.DisplayManager; 170import android.net.Uri; 171import android.os.Binder; 172import android.os.Build; 173import android.os.Bundle; 174import android.os.Debug; 175import android.os.Environment; 176import android.os.Environment.UserEnvironment; 177import android.os.FileUtils; 178import android.os.Handler; 179import android.os.IBinder; 180import android.os.Looper; 181import android.os.Message; 182import android.os.Parcel; 183import android.os.ParcelFileDescriptor; 184import android.os.Process; 185import android.os.RemoteCallbackList; 186import android.os.RemoteException; 187import android.os.ResultReceiver; 188import android.os.SELinux; 189import android.os.ServiceManager; 190import android.os.SystemClock; 191import android.os.SystemProperties; 192import android.os.Trace; 193import android.os.UserHandle; 194import android.os.UserManager; 195import android.os.storage.IMountService; 196import android.os.storage.MountServiceInternal; 197import android.os.storage.StorageEventListener; 198import android.os.storage.StorageManager; 199import android.os.storage.VolumeInfo; 200import android.os.storage.VolumeRecord; 201import android.security.KeyStore; 202import android.security.SystemKeyStore; 203import android.system.ErrnoException; 204import android.system.Os; 205import android.text.TextUtils; 206import android.text.format.DateUtils; 207import android.util.ArrayMap; 208import android.util.ArraySet; 209import android.util.AtomicFile; 210import android.util.DisplayMetrics; 211import android.util.EventLog; 212import android.util.ExceptionUtils; 213import android.util.Log; 214import android.util.LogPrinter; 215import android.util.MathUtils; 216import android.util.PrintStreamPrinter; 217import android.util.Slog; 218import android.util.SparseArray; 219import android.util.SparseBooleanArray; 220import android.util.SparseIntArray; 221import android.util.Xml; 222import android.view.Display; 223 224import com.android.internal.R; 225import com.android.internal.annotations.GuardedBy; 226import com.android.internal.app.IMediaContainerService; 227import com.android.internal.app.ResolverActivity; 228import com.android.internal.content.NativeLibraryHelper; 229import com.android.internal.content.PackageHelper; 230import com.android.internal.os.IParcelFileDescriptorFactory; 231import com.android.internal.os.InstallerConnection.InstallerException; 232import com.android.internal.os.SomeArgs; 233import com.android.internal.os.Zygote; 234import com.android.internal.util.ArrayUtils; 235import com.android.internal.util.FastPrintWriter; 236import com.android.internal.util.FastXmlSerializer; 237import com.android.internal.util.IndentingPrintWriter; 238import com.android.internal.util.Preconditions; 239import com.android.internal.util.XmlUtils; 240import com.android.server.EventLogTags; 241import com.android.server.FgThread; 242import com.android.server.IntentResolver; 243import com.android.server.LocalServices; 244import com.android.server.ServiceThread; 245import com.android.server.SystemConfig; 246import com.android.server.Watchdog; 247import com.android.server.pm.PermissionsState.PermissionState; 248import com.android.server.pm.Settings.DatabaseVersion; 249import com.android.server.pm.Settings.VersionInfo; 250import com.android.server.storage.DeviceStorageMonitorInternal; 251 252import dalvik.system.DexFile; 253import dalvik.system.VMRuntime; 254 255import libcore.io.IoUtils; 256import libcore.util.EmptyArray; 257 258import org.xmlpull.v1.XmlPullParser; 259import org.xmlpull.v1.XmlPullParserException; 260import org.xmlpull.v1.XmlSerializer; 261 262import java.io.BufferedInputStream; 263import java.io.BufferedOutputStream; 264import java.io.BufferedReader; 265import java.io.ByteArrayInputStream; 266import java.io.ByteArrayOutputStream; 267import java.io.File; 268import java.io.FileDescriptor; 269import java.io.FileNotFoundException; 270import java.io.FileOutputStream; 271import java.io.FileReader; 272import java.io.FilenameFilter; 273import java.io.IOException; 274import java.io.InputStream; 275import java.io.PrintWriter; 276import java.nio.charset.StandardCharsets; 277import java.security.MessageDigest; 278import java.security.NoSuchAlgorithmException; 279import java.security.PublicKey; 280import java.security.cert.Certificate; 281import java.security.cert.CertificateEncodingException; 282import java.security.cert.CertificateException; 283import java.text.SimpleDateFormat; 284import java.util.ArrayList; 285import java.util.Arrays; 286import java.util.Collection; 287import java.util.Collections; 288import java.util.Comparator; 289import java.util.Date; 290import java.util.HashSet; 291import java.util.Iterator; 292import java.util.List; 293import java.util.Map; 294import java.util.Objects; 295import java.util.Set; 296import java.util.concurrent.CountDownLatch; 297import java.util.concurrent.TimeUnit; 298import java.util.concurrent.atomic.AtomicBoolean; 299import java.util.concurrent.atomic.AtomicInteger; 300import java.util.concurrent.atomic.AtomicLong; 301 302/** 303 * Keep track of all those .apks everywhere. 304 * 305 * This is very central to the platform's security; please run the unit 306 * tests whenever making modifications here: 307 * 308runtest -c android.content.pm.PackageManagerTests frameworks-core 309 * 310 * {@hide} 311 */ 312public class PackageManagerService extends IPackageManager.Stub { 313 static final String TAG = "PackageManager"; 314 static final boolean DEBUG_SETTINGS = false; 315 static final boolean DEBUG_PREFERRED = false; 316 static final boolean DEBUG_UPGRADE = false; 317 static final boolean DEBUG_DOMAIN_VERIFICATION = false; 318 private static final boolean DEBUG_BACKUP = false; 319 private static final boolean DEBUG_INSTALL = false; 320 private static final boolean DEBUG_REMOVE = false; 321 private static final boolean DEBUG_BROADCASTS = false; 322 private static final boolean DEBUG_SHOW_INFO = false; 323 private static final boolean DEBUG_PACKAGE_INFO = false; 324 private static final boolean DEBUG_INTENT_MATCHING = false; 325 private static final boolean DEBUG_PACKAGE_SCANNING = false; 326 private static final boolean DEBUG_VERIFY = false; 327 private static final boolean DEBUG_FILTERS = false; 328 329 // Debug output for dexopting. This is shared between PackageManagerService, OtaDexoptService 330 // and PackageDexOptimizer. All these classes have their own flag to allow switching a single 331 // user, but by default initialize to this. 332 static final boolean DEBUG_DEXOPT = false; 333 334 private static final boolean DEBUG_ABI_SELECTION = false; 335 private static final boolean DEBUG_EPHEMERAL = false; 336 private static final boolean DEBUG_TRIAGED_MISSING = false; 337 private static final boolean DEBUG_APP_DATA = false; 338 339 static final boolean CLEAR_RUNTIME_PERMISSIONS_ON_UPGRADE = false; 340 341 private static final boolean DISABLE_EPHEMERAL_APPS = true; 342 343 private static final int RADIO_UID = Process.PHONE_UID; 344 private static final int LOG_UID = Process.LOG_UID; 345 private static final int NFC_UID = Process.NFC_UID; 346 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 347 private static final int SHELL_UID = Process.SHELL_UID; 348 349 // Cap the size of permission trees that 3rd party apps can define 350 private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768; // characters of text 351 352 // Suffix used during package installation when copying/moving 353 // package apks to install directory. 354 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 355 356 static final int SCAN_NO_DEX = 1<<1; 357 static final int SCAN_FORCE_DEX = 1<<2; 358 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 359 static final int SCAN_NEW_INSTALL = 1<<4; 360 static final int SCAN_NO_PATHS = 1<<5; 361 static final int SCAN_UPDATE_TIME = 1<<6; 362 static final int SCAN_DEFER_DEX = 1<<7; 363 static final int SCAN_BOOTING = 1<<8; 364 static final int SCAN_TRUSTED_OVERLAY = 1<<9; 365 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<10; 366 static final int SCAN_REPLACING = 1<<11; 367 static final int SCAN_REQUIRE_KNOWN = 1<<12; 368 static final int SCAN_MOVE = 1<<13; 369 static final int SCAN_INITIAL = 1<<14; 370 static final int SCAN_CHECK_ONLY = 1<<15; 371 static final int SCAN_DONT_KILL_APP = 1<<17; 372 373 static final int REMOVE_CHATTY = 1<<16; 374 375 private static final int[] EMPTY_INT_ARRAY = new int[0]; 376 377 /** 378 * Timeout (in milliseconds) after which the watchdog should declare that 379 * our handler thread is wedged. The usual default for such things is one 380 * minute but we sometimes do very lengthy I/O operations on this thread, 381 * such as installing multi-gigabyte applications, so ours needs to be longer. 382 */ 383 private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 384 385 /** 386 * Wall-clock timeout (in milliseconds) after which we *require* that an fstrim 387 * be run on this device. We use the value in the Settings.Global.MANDATORY_FSTRIM_INTERVAL 388 * settings entry if available, otherwise we use the hardcoded default. If it's been 389 * more than this long since the last fstrim, we force one during the boot sequence. 390 * 391 * This backstops other fstrim scheduling: if the device is alive at midnight+idle, 392 * one gets run at the next available charging+idle time. This final mandatory 393 * no-fstrim check kicks in only of the other scheduling criteria is never met. 394 */ 395 private static final long DEFAULT_MANDATORY_FSTRIM_INTERVAL = 3 * DateUtils.DAY_IN_MILLIS; 396 397 /** 398 * Whether verification is enabled by default. 399 */ 400 private static final boolean DEFAULT_VERIFY_ENABLE = true; 401 402 /** 403 * The default maximum time to wait for the verification agent to return in 404 * milliseconds. 405 */ 406 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 407 408 /** 409 * The default response for package verification timeout. 410 * 411 * This can be either PackageManager.VERIFICATION_ALLOW or 412 * PackageManager.VERIFICATION_REJECT. 413 */ 414 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 415 416 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 417 418 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 419 DEFAULT_CONTAINER_PACKAGE, 420 "com.android.defcontainer.DefaultContainerService"); 421 422 private static final String KILL_APP_REASON_GIDS_CHANGED = 423 "permission grant or revoke changed gids"; 424 425 private static final String KILL_APP_REASON_PERMISSIONS_REVOKED = 426 "permissions revoked"; 427 428 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 429 430 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 431 432 /** Permission grant: not grant the permission. */ 433 private static final int GRANT_DENIED = 1; 434 435 /** Permission grant: grant the permission as an install permission. */ 436 private static final int GRANT_INSTALL = 2; 437 438 /** Permission grant: grant the permission as a runtime one. */ 439 private static final int GRANT_RUNTIME = 3; 440 441 /** Permission grant: grant as runtime a permission that was granted as an install time one. */ 442 private static final int GRANT_UPGRADE = 4; 443 444 /** Canonical intent used to identify what counts as a "web browser" app */ 445 private static final Intent sBrowserIntent; 446 static { 447 sBrowserIntent = new Intent(); 448 sBrowserIntent.setAction(Intent.ACTION_VIEW); 449 sBrowserIntent.addCategory(Intent.CATEGORY_BROWSABLE); 450 sBrowserIntent.setData(Uri.parse("http:")); 451 } 452 453 /** 454 * The set of all protected actions [i.e. those actions for which a high priority 455 * intent filter is disallowed]. 456 */ 457 private static final Set<String> PROTECTED_ACTIONS = new ArraySet<>(); 458 static { 459 PROTECTED_ACTIONS.add(Intent.ACTION_SEND); 460 PROTECTED_ACTIONS.add(Intent.ACTION_SENDTO); 461 PROTECTED_ACTIONS.add(Intent.ACTION_SEND_MULTIPLE); 462 PROTECTED_ACTIONS.add(Intent.ACTION_VIEW); 463 } 464 465 // Compilation reasons. 466 public static final int REASON_FIRST_BOOT = 0; 467 public static final int REASON_BOOT = 1; 468 public static final int REASON_INSTALL = 2; 469 public static final int REASON_BACKGROUND_DEXOPT = 3; 470 public static final int REASON_AB_OTA = 4; 471 public static final int REASON_NON_SYSTEM_LIBRARY = 5; 472 public static final int REASON_SHARED_APK = 6; 473 public static final int REASON_FORCED_DEXOPT = 7; 474 475 public static final int REASON_LAST = REASON_FORCED_DEXOPT; 476 477 final ServiceThread mHandlerThread; 478 479 final PackageHandler mHandler; 480 481 private final ProcessLoggingHandler mProcessLoggingHandler; 482 483 /** 484 * Messages for {@link #mHandler} that need to wait for system ready before 485 * being dispatched. 486 */ 487 private ArrayList<Message> mPostSystemReadyMessages; 488 489 final int mSdkVersion = Build.VERSION.SDK_INT; 490 491 final Context mContext; 492 final boolean mFactoryTest; 493 final boolean mOnlyCore; 494 final DisplayMetrics mMetrics; 495 final int mDefParseFlags; 496 final String[] mSeparateProcesses; 497 final boolean mIsUpgrade; 498 final boolean mIsPreNUpgrade; 499 500 /** The location for ASEC container files on internal storage. */ 501 final String mAsecInternalPath; 502 503 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 504 // LOCK HELD. Can be called with mInstallLock held. 505 @GuardedBy("mInstallLock") 506 final Installer mInstaller; 507 508 /** Directory where installed third-party apps stored */ 509 final File mAppInstallDir; 510 final File mEphemeralInstallDir; 511 512 /** 513 * Directory to which applications installed internally have their 514 * 32 bit native libraries copied. 515 */ 516 private File mAppLib32InstallDir; 517 518 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 519 // apps. 520 final File mDrmAppPrivateInstallDir; 521 522 // ---------------------------------------------------------------- 523 524 // Lock for state used when installing and doing other long running 525 // operations. Methods that must be called with this lock held have 526 // the suffix "LI". 527 final Object mInstallLock = new Object(); 528 529 // ---------------------------------------------------------------- 530 531 // Keys are String (package name), values are Package. This also serves 532 // as the lock for the global state. Methods that must be called with 533 // this lock held have the prefix "LP". 534 @GuardedBy("mPackages") 535 final ArrayMap<String, PackageParser.Package> mPackages = 536 new ArrayMap<String, PackageParser.Package>(); 537 538 final ArrayMap<String, Set<String>> mKnownCodebase = 539 new ArrayMap<String, Set<String>>(); 540 541 // Tracks available target package names -> overlay package paths. 542 final ArrayMap<String, ArrayMap<String, PackageParser.Package>> mOverlays = 543 new ArrayMap<String, ArrayMap<String, PackageParser.Package>>(); 544 545 /** 546 * Tracks new system packages [received in an OTA] that we expect to 547 * find updated user-installed versions. Keys are package name, values 548 * are package location. 549 */ 550 final private ArrayMap<String, File> mExpectingBetter = new ArrayMap<>(); 551 /** 552 * Tracks high priority intent filters for protected actions. During boot, certain 553 * filter actions are protected and should never be allowed to have a high priority 554 * intent filter for them. However, there is one, and only one exception -- the 555 * setup wizard. It must be able to define a high priority intent filter for these 556 * actions to ensure there are no escapes from the wizard. We need to delay processing 557 * of these during boot as we need to look at all of the system packages in order 558 * to know which component is the setup wizard. 559 */ 560 private final List<PackageParser.ActivityIntentInfo> mProtectedFilters = new ArrayList<>(); 561 /** 562 * Whether or not processing protected filters should be deferred. 563 */ 564 private boolean mDeferProtectedFilters = true; 565 566 /** 567 * Tracks existing system packages prior to receiving an OTA. Keys are package name. 568 */ 569 final private ArraySet<String> mExistingSystemPackages = new ArraySet<>(); 570 /** 571 * Whether or not system app permissions should be promoted from install to runtime. 572 */ 573 boolean mPromoteSystemApps; 574 575 final Settings mSettings; 576 boolean mRestoredSettings; 577 578 // System configuration read by SystemConfig. 579 final int[] mGlobalGids; 580 final SparseArray<ArraySet<String>> mSystemPermissions; 581 final ArrayMap<String, FeatureInfo> mAvailableFeatures; 582 583 // If mac_permissions.xml was found for seinfo labeling. 584 boolean mFoundPolicyFile; 585 586 private final EphemeralApplicationRegistry mEphemeralApplicationRegistry; 587 588 public static final class SharedLibraryEntry { 589 public final String path; 590 public final String apk; 591 592 SharedLibraryEntry(String _path, String _apk) { 593 path = _path; 594 apk = _apk; 595 } 596 } 597 598 // Currently known shared libraries. 599 final ArrayMap<String, SharedLibraryEntry> mSharedLibraries = 600 new ArrayMap<String, SharedLibraryEntry>(); 601 602 // All available activities, for your resolving pleasure. 603 final ActivityIntentResolver mActivities = 604 new ActivityIntentResolver(); 605 606 // All available receivers, for your resolving pleasure. 607 final ActivityIntentResolver mReceivers = 608 new ActivityIntentResolver(); 609 610 // All available services, for your resolving pleasure. 611 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 612 613 // All available providers, for your resolving pleasure. 614 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 615 616 // Mapping from provider base names (first directory in content URI codePath) 617 // to the provider information. 618 final ArrayMap<String, PackageParser.Provider> mProvidersByAuthority = 619 new ArrayMap<String, PackageParser.Provider>(); 620 621 // Mapping from instrumentation class names to info about them. 622 final ArrayMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 623 new ArrayMap<ComponentName, PackageParser.Instrumentation>(); 624 625 // Mapping from permission names to info about them. 626 final ArrayMap<String, PackageParser.PermissionGroup> mPermissionGroups = 627 new ArrayMap<String, PackageParser.PermissionGroup>(); 628 629 // Packages whose data we have transfered into another package, thus 630 // should no longer exist. 631 final ArraySet<String> mTransferedPackages = new ArraySet<String>(); 632 633 // Broadcast actions that are only available to the system. 634 final ArraySet<String> mProtectedBroadcasts = new ArraySet<String>(); 635 636 /** List of packages waiting for verification. */ 637 final SparseArray<PackageVerificationState> mPendingVerification 638 = new SparseArray<PackageVerificationState>(); 639 640 /** Set of packages associated with each app op permission. */ 641 final ArrayMap<String, ArraySet<String>> mAppOpPermissionPackages = new ArrayMap<>(); 642 643 final PackageInstallerService mInstallerService; 644 645 private final PackageDexOptimizer mPackageDexOptimizer; 646 647 private AtomicInteger mNextMoveId = new AtomicInteger(); 648 private final MoveCallbacks mMoveCallbacks; 649 650 private final OnPermissionChangeListeners mOnPermissionChangeListeners; 651 652 // Cache of users who need badging. 653 SparseBooleanArray mUserNeedsBadging = new SparseBooleanArray(); 654 655 /** Token for keys in mPendingVerification. */ 656 private int mPendingVerificationToken = 0; 657 658 volatile boolean mSystemReady; 659 volatile boolean mSafeMode; 660 volatile boolean mHasSystemUidErrors; 661 662 ApplicationInfo mAndroidApplication; 663 final ActivityInfo mResolveActivity = new ActivityInfo(); 664 final ResolveInfo mResolveInfo = new ResolveInfo(); 665 ComponentName mResolveComponentName; 666 PackageParser.Package mPlatformPackage; 667 ComponentName mCustomResolverComponentName; 668 669 boolean mResolverReplaced = false; 670 671 private final @Nullable ComponentName mIntentFilterVerifierComponent; 672 private final @Nullable IntentFilterVerifier<ActivityIntentInfo> mIntentFilterVerifier; 673 674 private int mIntentFilterVerificationToken = 0; 675 676 /** Component that knows whether or not an ephemeral application exists */ 677 final ComponentName mEphemeralResolverComponent; 678 /** The service connection to the ephemeral resolver */ 679 final EphemeralResolverConnection mEphemeralResolverConnection; 680 681 /** Component used to install ephemeral applications */ 682 final ComponentName mEphemeralInstallerComponent; 683 final ActivityInfo mEphemeralInstallerActivity = new ActivityInfo(); 684 final ResolveInfo mEphemeralInstallerInfo = new ResolveInfo(); 685 686 final SparseArray<IntentFilterVerificationState> mIntentFilterVerificationStates 687 = new SparseArray<IntentFilterVerificationState>(); 688 689 final DefaultPermissionGrantPolicy mDefaultPermissionPolicy = 690 new DefaultPermissionGrantPolicy(this); 691 692 // List of packages names to keep cached, even if they are uninstalled for all users 693 private List<String> mKeepUninstalledPackages; 694 695 private static class IFVerificationParams { 696 PackageParser.Package pkg; 697 boolean replacing; 698 int userId; 699 int verifierUid; 700 701 public IFVerificationParams(PackageParser.Package _pkg, boolean _replacing, 702 int _userId, int _verifierUid) { 703 pkg = _pkg; 704 replacing = _replacing; 705 userId = _userId; 706 replacing = _replacing; 707 verifierUid = _verifierUid; 708 } 709 } 710 711 private interface IntentFilterVerifier<T extends IntentFilter> { 712 boolean addOneIntentFilterVerification(int verifierId, int userId, int verificationId, 713 T filter, String packageName); 714 void startVerifications(int userId); 715 void receiveVerificationResponse(int verificationId); 716 } 717 718 private class IntentVerifierProxy implements IntentFilterVerifier<ActivityIntentInfo> { 719 private Context mContext; 720 private ComponentName mIntentFilterVerifierComponent; 721 private ArrayList<Integer> mCurrentIntentFilterVerifications = new ArrayList<Integer>(); 722 723 public IntentVerifierProxy(Context context, ComponentName verifierComponent) { 724 mContext = context; 725 mIntentFilterVerifierComponent = verifierComponent; 726 } 727 728 private String getDefaultScheme() { 729 return IntentFilter.SCHEME_HTTPS; 730 } 731 732 @Override 733 public void startVerifications(int userId) { 734 // Launch verifications requests 735 int count = mCurrentIntentFilterVerifications.size(); 736 for (int n=0; n<count; n++) { 737 int verificationId = mCurrentIntentFilterVerifications.get(n); 738 final IntentFilterVerificationState ivs = 739 mIntentFilterVerificationStates.get(verificationId); 740 741 String packageName = ivs.getPackageName(); 742 743 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 744 final int filterCount = filters.size(); 745 ArraySet<String> domainsSet = new ArraySet<>(); 746 for (int m=0; m<filterCount; m++) { 747 PackageParser.ActivityIntentInfo filter = filters.get(m); 748 domainsSet.addAll(filter.getHostsList()); 749 } 750 ArrayList<String> domainsList = new ArrayList<>(domainsSet); 751 synchronized (mPackages) { 752 if (mSettings.createIntentFilterVerificationIfNeededLPw( 753 packageName, domainsList) != null) { 754 scheduleWriteSettingsLocked(); 755 } 756 } 757 sendVerificationRequest(userId, verificationId, ivs); 758 } 759 mCurrentIntentFilterVerifications.clear(); 760 } 761 762 private void sendVerificationRequest(int userId, int verificationId, 763 IntentFilterVerificationState ivs) { 764 765 Intent verificationIntent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 766 verificationIntent.putExtra( 767 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_ID, 768 verificationId); 769 verificationIntent.putExtra( 770 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_URI_SCHEME, 771 getDefaultScheme()); 772 verificationIntent.putExtra( 773 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_HOSTS, 774 ivs.getHostsString()); 775 verificationIntent.putExtra( 776 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_PACKAGE_NAME, 777 ivs.getPackageName()); 778 verificationIntent.setComponent(mIntentFilterVerifierComponent); 779 verificationIntent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 780 781 UserHandle user = new UserHandle(userId); 782 mContext.sendBroadcastAsUser(verificationIntent, user); 783 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 784 "Sending IntentFilter verification broadcast"); 785 } 786 787 public void receiveVerificationResponse(int verificationId) { 788 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 789 790 final boolean verified = ivs.isVerified(); 791 792 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 793 final int count = filters.size(); 794 if (DEBUG_DOMAIN_VERIFICATION) { 795 Slog.i(TAG, "Received verification response " + verificationId 796 + " for " + count + " filters, verified=" + verified); 797 } 798 for (int n=0; n<count; n++) { 799 PackageParser.ActivityIntentInfo filter = filters.get(n); 800 filter.setVerified(verified); 801 802 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "IntentFilter " + filter.toString() 803 + " verified with result:" + verified + " and hosts:" 804 + ivs.getHostsString()); 805 } 806 807 mIntentFilterVerificationStates.remove(verificationId); 808 809 final String packageName = ivs.getPackageName(); 810 IntentFilterVerificationInfo ivi = null; 811 812 synchronized (mPackages) { 813 ivi = mSettings.getIntentFilterVerificationLPr(packageName); 814 } 815 if (ivi == null) { 816 Slog.w(TAG, "IntentFilterVerificationInfo not found for verificationId:" 817 + verificationId + " packageName:" + packageName); 818 return; 819 } 820 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 821 "Updating IntentFilterVerificationInfo for package " + packageName 822 +" verificationId:" + verificationId); 823 824 synchronized (mPackages) { 825 if (verified) { 826 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS); 827 } else { 828 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK); 829 } 830 scheduleWriteSettingsLocked(); 831 832 final int userId = ivs.getUserId(); 833 if (userId != UserHandle.USER_ALL) { 834 final int userStatus = 835 mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 836 837 int updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 838 boolean needUpdate = false; 839 840 // We cannot override the STATUS_ALWAYS / STATUS_NEVER states if they have 841 // already been set by the User thru the Disambiguation dialog 842 switch (userStatus) { 843 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 844 if (verified) { 845 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 846 } else { 847 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 848 } 849 needUpdate = true; 850 break; 851 852 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 853 if (verified) { 854 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 855 needUpdate = true; 856 } 857 break; 858 859 default: 860 // Nothing to do 861 } 862 863 if (needUpdate) { 864 mSettings.updateIntentFilterVerificationStatusLPw( 865 packageName, updatedStatus, userId); 866 scheduleWritePackageRestrictionsLocked(userId); 867 } 868 } 869 } 870 } 871 872 @Override 873 public boolean addOneIntentFilterVerification(int verifierUid, int userId, int verificationId, 874 ActivityIntentInfo filter, String packageName) { 875 if (!hasValidDomains(filter)) { 876 return false; 877 } 878 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 879 if (ivs == null) { 880 ivs = createDomainVerificationState(verifierUid, userId, verificationId, 881 packageName); 882 } 883 if (DEBUG_DOMAIN_VERIFICATION) { 884 Slog.d(TAG, "Adding verification filter for " + packageName + ": " + filter); 885 } 886 ivs.addFilter(filter); 887 return true; 888 } 889 890 private IntentFilterVerificationState createDomainVerificationState(int verifierUid, 891 int userId, int verificationId, String packageName) { 892 IntentFilterVerificationState ivs = new IntentFilterVerificationState( 893 verifierUid, userId, packageName); 894 ivs.setPendingState(); 895 synchronized (mPackages) { 896 mIntentFilterVerificationStates.append(verificationId, ivs); 897 mCurrentIntentFilterVerifications.add(verificationId); 898 } 899 return ivs; 900 } 901 } 902 903 private static boolean hasValidDomains(ActivityIntentInfo filter) { 904 return filter.hasCategory(Intent.CATEGORY_BROWSABLE) 905 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 906 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS)); 907 } 908 909 // Set of pending broadcasts for aggregating enable/disable of components. 910 static class PendingPackageBroadcasts { 911 // for each user id, a map of <package name -> components within that package> 912 final SparseArray<ArrayMap<String, ArrayList<String>>> mUidMap; 913 914 public PendingPackageBroadcasts() { 915 mUidMap = new SparseArray<ArrayMap<String, ArrayList<String>>>(2); 916 } 917 918 public ArrayList<String> get(int userId, String packageName) { 919 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 920 return packages.get(packageName); 921 } 922 923 public void put(int userId, String packageName, ArrayList<String> components) { 924 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 925 packages.put(packageName, components); 926 } 927 928 public void remove(int userId, String packageName) { 929 ArrayMap<String, ArrayList<String>> packages = mUidMap.get(userId); 930 if (packages != null) { 931 packages.remove(packageName); 932 } 933 } 934 935 public void remove(int userId) { 936 mUidMap.remove(userId); 937 } 938 939 public int userIdCount() { 940 return mUidMap.size(); 941 } 942 943 public int userIdAt(int n) { 944 return mUidMap.keyAt(n); 945 } 946 947 public ArrayMap<String, ArrayList<String>> packagesForUserId(int userId) { 948 return mUidMap.get(userId); 949 } 950 951 public int size() { 952 // total number of pending broadcast entries across all userIds 953 int num = 0; 954 for (int i = 0; i< mUidMap.size(); i++) { 955 num += mUidMap.valueAt(i).size(); 956 } 957 return num; 958 } 959 960 public void clear() { 961 mUidMap.clear(); 962 } 963 964 private ArrayMap<String, ArrayList<String>> getOrAllocate(int userId) { 965 ArrayMap<String, ArrayList<String>> map = mUidMap.get(userId); 966 if (map == null) { 967 map = new ArrayMap<String, ArrayList<String>>(); 968 mUidMap.put(userId, map); 969 } 970 return map; 971 } 972 } 973 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 974 975 // Service Connection to remote media container service to copy 976 // package uri's from external media onto secure containers 977 // or internal storage. 978 private IMediaContainerService mContainerService = null; 979 980 static final int SEND_PENDING_BROADCAST = 1; 981 static final int MCS_BOUND = 3; 982 static final int END_COPY = 4; 983 static final int INIT_COPY = 5; 984 static final int MCS_UNBIND = 6; 985 static final int START_CLEANING_PACKAGE = 7; 986 static final int FIND_INSTALL_LOC = 8; 987 static final int POST_INSTALL = 9; 988 static final int MCS_RECONNECT = 10; 989 static final int MCS_GIVE_UP = 11; 990 static final int UPDATED_MEDIA_STATUS = 12; 991 static final int WRITE_SETTINGS = 13; 992 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 993 static final int PACKAGE_VERIFIED = 15; 994 static final int CHECK_PENDING_VERIFICATION = 16; 995 static final int START_INTENT_FILTER_VERIFICATIONS = 17; 996 static final int INTENT_FILTER_VERIFIED = 18; 997 998 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 999 1000 // Delay time in millisecs 1001 static final int BROADCAST_DELAY = 10 * 1000; 1002 1003 static UserManagerService sUserManager; 1004 1005 // Stores a list of users whose package restrictions file needs to be updated 1006 private ArraySet<Integer> mDirtyUsers = new ArraySet<Integer>(); 1007 1008 final private DefaultContainerConnection mDefContainerConn = 1009 new DefaultContainerConnection(); 1010 class DefaultContainerConnection implements ServiceConnection { 1011 public void onServiceConnected(ComponentName name, IBinder service) { 1012 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 1013 IMediaContainerService imcs = 1014 IMediaContainerService.Stub.asInterface(service); 1015 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 1016 } 1017 1018 public void onServiceDisconnected(ComponentName name) { 1019 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 1020 } 1021 } 1022 1023 // Recordkeeping of restore-after-install operations that are currently in flight 1024 // between the Package Manager and the Backup Manager 1025 static class PostInstallData { 1026 public InstallArgs args; 1027 public PackageInstalledInfo res; 1028 1029 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 1030 args = _a; 1031 res = _r; 1032 } 1033 } 1034 1035 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 1036 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 1037 1038 // XML tags for backup/restore of various bits of state 1039 private static final String TAG_PREFERRED_BACKUP = "pa"; 1040 private static final String TAG_DEFAULT_APPS = "da"; 1041 private static final String TAG_INTENT_FILTER_VERIFICATION = "iv"; 1042 1043 private static final String TAG_PERMISSION_BACKUP = "perm-grant-backup"; 1044 private static final String TAG_ALL_GRANTS = "rt-grants"; 1045 private static final String TAG_GRANT = "grant"; 1046 private static final String ATTR_PACKAGE_NAME = "pkg"; 1047 1048 private static final String TAG_PERMISSION = "perm"; 1049 private static final String ATTR_PERMISSION_NAME = "name"; 1050 private static final String ATTR_IS_GRANTED = "g"; 1051 private static final String ATTR_USER_SET = "set"; 1052 private static final String ATTR_USER_FIXED = "fixed"; 1053 private static final String ATTR_REVOKE_ON_UPGRADE = "rou"; 1054 1055 // System/policy permission grants are not backed up 1056 private static final int SYSTEM_RUNTIME_GRANT_MASK = 1057 FLAG_PERMISSION_POLICY_FIXED 1058 | FLAG_PERMISSION_SYSTEM_FIXED 1059 | FLAG_PERMISSION_GRANTED_BY_DEFAULT; 1060 1061 // And we back up these user-adjusted states 1062 private static final int USER_RUNTIME_GRANT_MASK = 1063 FLAG_PERMISSION_USER_SET 1064 | FLAG_PERMISSION_USER_FIXED 1065 | FLAG_PERMISSION_REVOKE_ON_UPGRADE; 1066 1067 final @Nullable String mRequiredVerifierPackage; 1068 final @Nullable String mRequiredInstallerPackage; 1069 final @Nullable String mSetupWizardPackage; 1070 1071 private final PackageUsage mPackageUsage = new PackageUsage(); 1072 1073 private class PackageUsage { 1074 private static final int WRITE_INTERVAL 1075 = (DEBUG_DEXOPT) ? 0 : 30*60*1000; // 30m in ms 1076 1077 private final Object mFileLock = new Object(); 1078 private final AtomicLong mLastWritten = new AtomicLong(0); 1079 private final AtomicBoolean mBackgroundWriteRunning = new AtomicBoolean(false); 1080 1081 private boolean mIsHistoricalPackageUsageAvailable = true; 1082 1083 boolean isHistoricalPackageUsageAvailable() { 1084 return mIsHistoricalPackageUsageAvailable; 1085 } 1086 1087 void write(boolean force) { 1088 if (force) { 1089 writeInternal(); 1090 return; 1091 } 1092 if (SystemClock.elapsedRealtime() - mLastWritten.get() < WRITE_INTERVAL 1093 && !DEBUG_DEXOPT) { 1094 return; 1095 } 1096 if (mBackgroundWriteRunning.compareAndSet(false, true)) { 1097 new Thread("PackageUsage_DiskWriter") { 1098 @Override 1099 public void run() { 1100 try { 1101 writeInternal(); 1102 } finally { 1103 mBackgroundWriteRunning.set(false); 1104 } 1105 } 1106 }.start(); 1107 } 1108 } 1109 1110 private void writeInternal() { 1111 synchronized (mPackages) { 1112 synchronized (mFileLock) { 1113 AtomicFile file = getFile(); 1114 FileOutputStream f = null; 1115 try { 1116 f = file.startWrite(); 1117 BufferedOutputStream out = new BufferedOutputStream(f); 1118 FileUtils.setPermissions(file.getBaseFile().getPath(), 0640, SYSTEM_UID, PACKAGE_INFO_GID); 1119 StringBuilder sb = new StringBuilder(); 1120 for (PackageParser.Package pkg : mPackages.values()) { 1121 if (pkg.mLastPackageUsageTimeInMills == 0) { 1122 continue; 1123 } 1124 sb.setLength(0); 1125 sb.append(pkg.packageName); 1126 sb.append(' '); 1127 sb.append((long)pkg.mLastPackageUsageTimeInMills); 1128 sb.append('\n'); 1129 out.write(sb.toString().getBytes(StandardCharsets.US_ASCII)); 1130 } 1131 out.flush(); 1132 file.finishWrite(f); 1133 } catch (IOException e) { 1134 if (f != null) { 1135 file.failWrite(f); 1136 } 1137 Log.e(TAG, "Failed to write package usage times", e); 1138 } 1139 } 1140 } 1141 mLastWritten.set(SystemClock.elapsedRealtime()); 1142 } 1143 1144 void readLP() { 1145 synchronized (mFileLock) { 1146 AtomicFile file = getFile(); 1147 BufferedInputStream in = null; 1148 try { 1149 in = new BufferedInputStream(file.openRead()); 1150 StringBuffer sb = new StringBuffer(); 1151 while (true) { 1152 String packageName = readToken(in, sb, ' '); 1153 if (packageName == null) { 1154 break; 1155 } 1156 String timeInMillisString = readToken(in, sb, '\n'); 1157 if (timeInMillisString == null) { 1158 throw new IOException("Failed to find last usage time for package " 1159 + packageName); 1160 } 1161 PackageParser.Package pkg = mPackages.get(packageName); 1162 if (pkg == null) { 1163 continue; 1164 } 1165 long timeInMillis; 1166 try { 1167 timeInMillis = Long.parseLong(timeInMillisString); 1168 } catch (NumberFormatException e) { 1169 throw new IOException("Failed to parse " + timeInMillisString 1170 + " as a long.", e); 1171 } 1172 pkg.mLastPackageUsageTimeInMills = timeInMillis; 1173 } 1174 } catch (FileNotFoundException expected) { 1175 mIsHistoricalPackageUsageAvailable = false; 1176 } catch (IOException e) { 1177 Log.w(TAG, "Failed to read package usage times", e); 1178 } finally { 1179 IoUtils.closeQuietly(in); 1180 } 1181 } 1182 mLastWritten.set(SystemClock.elapsedRealtime()); 1183 } 1184 1185 private String readToken(InputStream in, StringBuffer sb, char endOfToken) 1186 throws IOException { 1187 sb.setLength(0); 1188 while (true) { 1189 int ch = in.read(); 1190 if (ch == -1) { 1191 if (sb.length() == 0) { 1192 return null; 1193 } 1194 throw new IOException("Unexpected EOF"); 1195 } 1196 if (ch == endOfToken) { 1197 return sb.toString(); 1198 } 1199 sb.append((char)ch); 1200 } 1201 } 1202 1203 private AtomicFile getFile() { 1204 File dataDir = Environment.getDataDirectory(); 1205 File systemDir = new File(dataDir, "system"); 1206 File fname = new File(systemDir, "package-usage.list"); 1207 return new AtomicFile(fname); 1208 } 1209 } 1210 1211 class PackageHandler extends Handler { 1212 private boolean mBound = false; 1213 final ArrayList<HandlerParams> mPendingInstalls = 1214 new ArrayList<HandlerParams>(); 1215 1216 private boolean connectToService() { 1217 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 1218 " DefaultContainerService"); 1219 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 1220 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1221 if (mContext.bindServiceAsUser(service, mDefContainerConn, 1222 Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 1223 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1224 mBound = true; 1225 return true; 1226 } 1227 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1228 return false; 1229 } 1230 1231 private void disconnectService() { 1232 mContainerService = null; 1233 mBound = false; 1234 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1235 mContext.unbindService(mDefContainerConn); 1236 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1237 } 1238 1239 PackageHandler(Looper looper) { 1240 super(looper); 1241 } 1242 1243 public void handleMessage(Message msg) { 1244 try { 1245 doHandleMessage(msg); 1246 } finally { 1247 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1248 } 1249 } 1250 1251 void doHandleMessage(Message msg) { 1252 switch (msg.what) { 1253 case INIT_COPY: { 1254 HandlerParams params = (HandlerParams) msg.obj; 1255 int idx = mPendingInstalls.size(); 1256 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 1257 // If a bind was already initiated we dont really 1258 // need to do anything. The pending install 1259 // will be processed later on. 1260 if (!mBound) { 1261 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1262 System.identityHashCode(mHandler)); 1263 // If this is the only one pending we might 1264 // have to bind to the service again. 1265 if (!connectToService()) { 1266 Slog.e(TAG, "Failed to bind to media container service"); 1267 params.serviceError(); 1268 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1269 System.identityHashCode(mHandler)); 1270 if (params.traceMethod != null) { 1271 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, params.traceMethod, 1272 params.traceCookie); 1273 } 1274 return; 1275 } else { 1276 // Once we bind to the service, the first 1277 // pending request will be processed. 1278 mPendingInstalls.add(idx, params); 1279 } 1280 } else { 1281 mPendingInstalls.add(idx, params); 1282 // Already bound to the service. Just make 1283 // sure we trigger off processing the first request. 1284 if (idx == 0) { 1285 mHandler.sendEmptyMessage(MCS_BOUND); 1286 } 1287 } 1288 break; 1289 } 1290 case MCS_BOUND: { 1291 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 1292 if (msg.obj != null) { 1293 mContainerService = (IMediaContainerService) msg.obj; 1294 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1295 System.identityHashCode(mHandler)); 1296 } 1297 if (mContainerService == null) { 1298 if (!mBound) { 1299 // Something seriously wrong since we are not bound and we are not 1300 // waiting for connection. Bail out. 1301 Slog.e(TAG, "Cannot bind to media container service"); 1302 for (HandlerParams params : mPendingInstalls) { 1303 // Indicate service bind error 1304 params.serviceError(); 1305 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1306 System.identityHashCode(params)); 1307 if (params.traceMethod != null) { 1308 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, 1309 params.traceMethod, params.traceCookie); 1310 } 1311 return; 1312 } 1313 mPendingInstalls.clear(); 1314 } else { 1315 Slog.w(TAG, "Waiting to connect to media container service"); 1316 } 1317 } else if (mPendingInstalls.size() > 0) { 1318 HandlerParams params = mPendingInstalls.get(0); 1319 if (params != null) { 1320 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1321 System.identityHashCode(params)); 1322 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "startCopy"); 1323 if (params.startCopy()) { 1324 // We are done... look for more work or to 1325 // go idle. 1326 if (DEBUG_SD_INSTALL) Log.i(TAG, 1327 "Checking for more work or unbind..."); 1328 // Delete pending install 1329 if (mPendingInstalls.size() > 0) { 1330 mPendingInstalls.remove(0); 1331 } 1332 if (mPendingInstalls.size() == 0) { 1333 if (mBound) { 1334 if (DEBUG_SD_INSTALL) Log.i(TAG, 1335 "Posting delayed MCS_UNBIND"); 1336 removeMessages(MCS_UNBIND); 1337 Message ubmsg = obtainMessage(MCS_UNBIND); 1338 // Unbind after a little delay, to avoid 1339 // continual thrashing. 1340 sendMessageDelayed(ubmsg, 10000); 1341 } 1342 } else { 1343 // There are more pending requests in queue. 1344 // Just post MCS_BOUND message to trigger processing 1345 // of next pending install. 1346 if (DEBUG_SD_INSTALL) Log.i(TAG, 1347 "Posting MCS_BOUND for next work"); 1348 mHandler.sendEmptyMessage(MCS_BOUND); 1349 } 1350 } 1351 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 1352 } 1353 } else { 1354 // Should never happen ideally. 1355 Slog.w(TAG, "Empty queue"); 1356 } 1357 break; 1358 } 1359 case MCS_RECONNECT: { 1360 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 1361 if (mPendingInstalls.size() > 0) { 1362 if (mBound) { 1363 disconnectService(); 1364 } 1365 if (!connectToService()) { 1366 Slog.e(TAG, "Failed to bind to media container service"); 1367 for (HandlerParams params : mPendingInstalls) { 1368 // Indicate service bind error 1369 params.serviceError(); 1370 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1371 System.identityHashCode(params)); 1372 } 1373 mPendingInstalls.clear(); 1374 } 1375 } 1376 break; 1377 } 1378 case MCS_UNBIND: { 1379 // If there is no actual work left, then time to unbind. 1380 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 1381 1382 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 1383 if (mBound) { 1384 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 1385 1386 disconnectService(); 1387 } 1388 } else if (mPendingInstalls.size() > 0) { 1389 // There are more pending requests in queue. 1390 // Just post MCS_BOUND message to trigger processing 1391 // of next pending install. 1392 mHandler.sendEmptyMessage(MCS_BOUND); 1393 } 1394 1395 break; 1396 } 1397 case MCS_GIVE_UP: { 1398 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 1399 HandlerParams params = mPendingInstalls.remove(0); 1400 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1401 System.identityHashCode(params)); 1402 break; 1403 } 1404 case SEND_PENDING_BROADCAST: { 1405 String packages[]; 1406 ArrayList<String> components[]; 1407 int size = 0; 1408 int uids[]; 1409 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1410 synchronized (mPackages) { 1411 if (mPendingBroadcasts == null) { 1412 return; 1413 } 1414 size = mPendingBroadcasts.size(); 1415 if (size <= 0) { 1416 // Nothing to be done. Just return 1417 return; 1418 } 1419 packages = new String[size]; 1420 components = new ArrayList[size]; 1421 uids = new int[size]; 1422 int i = 0; // filling out the above arrays 1423 1424 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 1425 int packageUserId = mPendingBroadcasts.userIdAt(n); 1426 Iterator<Map.Entry<String, ArrayList<String>>> it 1427 = mPendingBroadcasts.packagesForUserId(packageUserId) 1428 .entrySet().iterator(); 1429 while (it.hasNext() && i < size) { 1430 Map.Entry<String, ArrayList<String>> ent = it.next(); 1431 packages[i] = ent.getKey(); 1432 components[i] = ent.getValue(); 1433 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 1434 uids[i] = (ps != null) 1435 ? UserHandle.getUid(packageUserId, ps.appId) 1436 : -1; 1437 i++; 1438 } 1439 } 1440 size = i; 1441 mPendingBroadcasts.clear(); 1442 } 1443 // Send broadcasts 1444 for (int i = 0; i < size; i++) { 1445 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 1446 } 1447 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1448 break; 1449 } 1450 case START_CLEANING_PACKAGE: { 1451 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1452 final String packageName = (String)msg.obj; 1453 final int userId = msg.arg1; 1454 final boolean andCode = msg.arg2 != 0; 1455 synchronized (mPackages) { 1456 if (userId == UserHandle.USER_ALL) { 1457 int[] users = sUserManager.getUserIds(); 1458 for (int user : users) { 1459 mSettings.addPackageToCleanLPw( 1460 new PackageCleanItem(user, packageName, andCode)); 1461 } 1462 } else { 1463 mSettings.addPackageToCleanLPw( 1464 new PackageCleanItem(userId, packageName, andCode)); 1465 } 1466 } 1467 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1468 startCleaningPackages(); 1469 } break; 1470 case POST_INSTALL: { 1471 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 1472 1473 PostInstallData data = mRunningInstalls.get(msg.arg1); 1474 mRunningInstalls.delete(msg.arg1); 1475 1476 if (data != null) { 1477 InstallArgs args = data.args; 1478 PackageInstalledInfo parentRes = data.res; 1479 1480 final boolean grantPermissions = (args.installFlags 1481 & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0; 1482 final boolean killApp = (args.installFlags 1483 & PackageManager.INSTALL_DONT_KILL_APP) == 0; 1484 final String[] grantedPermissions = args.installGrantPermissions; 1485 1486 // Handle the parent package 1487 handlePackagePostInstall(parentRes, grantPermissions, killApp, 1488 grantedPermissions, args.observer); 1489 1490 // Handle the child packages 1491 final int childCount = (parentRes.addedChildPackages != null) 1492 ? parentRes.addedChildPackages.size() : 0; 1493 for (int i = 0; i < childCount; i++) { 1494 PackageInstalledInfo childRes = parentRes.addedChildPackages.valueAt(i); 1495 handlePackagePostInstall(childRes, grantPermissions, killApp, 1496 grantedPermissions, args.observer); 1497 } 1498 1499 // Log tracing if needed 1500 if (args.traceMethod != null) { 1501 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, args.traceMethod, 1502 args.traceCookie); 1503 } 1504 } else { 1505 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1506 } 1507 1508 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "postInstall", msg.arg1); 1509 } break; 1510 case UPDATED_MEDIA_STATUS: { 1511 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1512 boolean reportStatus = msg.arg1 == 1; 1513 boolean doGc = msg.arg2 == 1; 1514 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1515 if (doGc) { 1516 // Force a gc to clear up stale containers. 1517 Runtime.getRuntime().gc(); 1518 } 1519 if (msg.obj != null) { 1520 @SuppressWarnings("unchecked") 1521 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1522 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1523 // Unload containers 1524 unloadAllContainers(args); 1525 } 1526 if (reportStatus) { 1527 try { 1528 if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); 1529 PackageHelper.getMountService().finishMediaUpdate(); 1530 } catch (RemoteException e) { 1531 Log.e(TAG, "MountService not running?"); 1532 } 1533 } 1534 } break; 1535 case WRITE_SETTINGS: { 1536 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1537 synchronized (mPackages) { 1538 removeMessages(WRITE_SETTINGS); 1539 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1540 mSettings.writeLPr(); 1541 mDirtyUsers.clear(); 1542 } 1543 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1544 } break; 1545 case WRITE_PACKAGE_RESTRICTIONS: { 1546 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1547 synchronized (mPackages) { 1548 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1549 for (int userId : mDirtyUsers) { 1550 mSettings.writePackageRestrictionsLPr(userId); 1551 } 1552 mDirtyUsers.clear(); 1553 } 1554 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1555 } break; 1556 case CHECK_PENDING_VERIFICATION: { 1557 final int verificationId = msg.arg1; 1558 final PackageVerificationState state = mPendingVerification.get(verificationId); 1559 1560 if ((state != null) && !state.timeoutExtended()) { 1561 final InstallArgs args = state.getInstallArgs(); 1562 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1563 1564 Slog.i(TAG, "Verification timed out for " + originUri); 1565 mPendingVerification.remove(verificationId); 1566 1567 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1568 1569 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1570 Slog.i(TAG, "Continuing with installation of " + originUri); 1571 state.setVerifierResponse(Binder.getCallingUid(), 1572 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1573 broadcastPackageVerified(verificationId, originUri, 1574 PackageManager.VERIFICATION_ALLOW, 1575 state.getInstallArgs().getUser()); 1576 try { 1577 ret = args.copyApk(mContainerService, true); 1578 } catch (RemoteException e) { 1579 Slog.e(TAG, "Could not contact the ContainerService"); 1580 } 1581 } else { 1582 broadcastPackageVerified(verificationId, originUri, 1583 PackageManager.VERIFICATION_REJECT, 1584 state.getInstallArgs().getUser()); 1585 } 1586 1587 Trace.asyncTraceEnd( 1588 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1589 1590 processPendingInstall(args, ret); 1591 mHandler.sendEmptyMessage(MCS_UNBIND); 1592 } 1593 break; 1594 } 1595 case PACKAGE_VERIFIED: { 1596 final int verificationId = msg.arg1; 1597 1598 final PackageVerificationState state = mPendingVerification.get(verificationId); 1599 if (state == null) { 1600 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1601 break; 1602 } 1603 1604 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1605 1606 state.setVerifierResponse(response.callerUid, response.code); 1607 1608 if (state.isVerificationComplete()) { 1609 mPendingVerification.remove(verificationId); 1610 1611 final InstallArgs args = state.getInstallArgs(); 1612 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1613 1614 int ret; 1615 if (state.isInstallAllowed()) { 1616 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1617 broadcastPackageVerified(verificationId, originUri, 1618 response.code, state.getInstallArgs().getUser()); 1619 try { 1620 ret = args.copyApk(mContainerService, true); 1621 } catch (RemoteException e) { 1622 Slog.e(TAG, "Could not contact the ContainerService"); 1623 } 1624 } else { 1625 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1626 } 1627 1628 Trace.asyncTraceEnd( 1629 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1630 1631 processPendingInstall(args, ret); 1632 mHandler.sendEmptyMessage(MCS_UNBIND); 1633 } 1634 1635 break; 1636 } 1637 case START_INTENT_FILTER_VERIFICATIONS: { 1638 IFVerificationParams params = (IFVerificationParams) msg.obj; 1639 verifyIntentFiltersIfNeeded(params.userId, params.verifierUid, 1640 params.replacing, params.pkg); 1641 break; 1642 } 1643 case INTENT_FILTER_VERIFIED: { 1644 final int verificationId = msg.arg1; 1645 1646 final IntentFilterVerificationState state = mIntentFilterVerificationStates.get( 1647 verificationId); 1648 if (state == null) { 1649 Slog.w(TAG, "Invalid IntentFilter verification token " 1650 + verificationId + " received"); 1651 break; 1652 } 1653 1654 final int userId = state.getUserId(); 1655 1656 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1657 "Processing IntentFilter verification with token:" 1658 + verificationId + " and userId:" + userId); 1659 1660 final IntentFilterVerificationResponse response = 1661 (IntentFilterVerificationResponse) msg.obj; 1662 1663 state.setVerifierResponse(response.callerUid, response.code); 1664 1665 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1666 "IntentFilter verification with token:" + verificationId 1667 + " and userId:" + userId 1668 + " is settings verifier response with response code:" 1669 + response.code); 1670 1671 if (response.code == PackageManager.INTENT_FILTER_VERIFICATION_FAILURE) { 1672 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Domains failing verification: " 1673 + response.getFailedDomainsString()); 1674 } 1675 1676 if (state.isVerificationComplete()) { 1677 mIntentFilterVerifier.receiveVerificationResponse(verificationId); 1678 } else { 1679 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1680 "IntentFilter verification with token:" + verificationId 1681 + " was not said to be complete"); 1682 } 1683 1684 break; 1685 } 1686 } 1687 } 1688 } 1689 1690 private void handlePackagePostInstall(PackageInstalledInfo res, boolean grantPermissions, 1691 boolean killApp, String[] grantedPermissions, 1692 IPackageInstallObserver2 installObserver) { 1693 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 1694 // Send the removed broadcasts 1695 if (res.removedInfo != null) { 1696 res.removedInfo.sendPackageRemovedBroadcasts(killApp); 1697 } 1698 1699 // Now that we successfully installed the package, grant runtime 1700 // permissions if requested before broadcasting the install. 1701 if (grantPermissions && res.pkg.applicationInfo.targetSdkVersion 1702 >= Build.VERSION_CODES.M) { 1703 grantRequestedRuntimePermissions(res.pkg, res.newUsers, grantedPermissions); 1704 } 1705 1706 final boolean update = res.removedInfo != null 1707 && res.removedInfo.removedPackage != null; 1708 1709 // If this is the first time we have child packages for a disabled privileged 1710 // app that had no children, we grant requested runtime permissions to the new 1711 // children if the parent on the system image had them already granted. 1712 if (res.pkg.parentPackage != null) { 1713 synchronized (mPackages) { 1714 grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw(res.pkg); 1715 } 1716 } 1717 1718 synchronized (mPackages) { 1719 mEphemeralApplicationRegistry.onPackageInstalledLPw(res.pkg); 1720 } 1721 1722 final String packageName = res.pkg.applicationInfo.packageName; 1723 Bundle extras = new Bundle(1); 1724 extras.putInt(Intent.EXTRA_UID, res.uid); 1725 1726 // Determine the set of users who are adding this package for 1727 // the first time vs. those who are seeing an update. 1728 int[] firstUsers = EMPTY_INT_ARRAY; 1729 int[] updateUsers = EMPTY_INT_ARRAY; 1730 if (res.origUsers == null || res.origUsers.length == 0) { 1731 firstUsers = res.newUsers; 1732 } else { 1733 for (int newUser : res.newUsers) { 1734 boolean isNew = true; 1735 for (int origUser : res.origUsers) { 1736 if (origUser == newUser) { 1737 isNew = false; 1738 break; 1739 } 1740 } 1741 if (isNew) { 1742 firstUsers = ArrayUtils.appendInt(firstUsers, newUser); 1743 } else { 1744 updateUsers = ArrayUtils.appendInt(updateUsers, newUser); 1745 } 1746 } 1747 } 1748 1749 // Send installed broadcasts if the install/update is not ephemeral 1750 if (!isEphemeral(res.pkg)) { 1751 mProcessLoggingHandler.invalidateProcessLoggingBaseApkHash(res.pkg.baseCodePath); 1752 1753 // Send added for users that see the package for the first time 1754 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1755 extras, 0 /*flags*/, null /*targetPackage*/, 1756 null /*finishedReceiver*/, firstUsers); 1757 1758 // Send added for users that don't see the package for the first time 1759 if (update) { 1760 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1761 } 1762 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1763 extras, 0 /*flags*/, null /*targetPackage*/, 1764 null /*finishedReceiver*/, updateUsers); 1765 1766 // Send replaced for users that don't see the package for the first time 1767 if (update) { 1768 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1769 packageName, extras, 0 /*flags*/, 1770 null /*targetPackage*/, null /*finishedReceiver*/, 1771 updateUsers); 1772 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1773 null /*package*/, null /*extras*/, 0 /*flags*/, 1774 packageName /*targetPackage*/, 1775 null /*finishedReceiver*/, updateUsers); 1776 } 1777 1778 // Send broadcast package appeared if forward locked/external for all users 1779 // treat asec-hosted packages like removable media on upgrade 1780 if (res.pkg.isForwardLocked() || isExternal(res.pkg)) { 1781 if (DEBUG_INSTALL) { 1782 Slog.i(TAG, "upgrading pkg " + res.pkg 1783 + " is ASEC-hosted -> AVAILABLE"); 1784 } 1785 final int[] uidArray = new int[]{res.pkg.applicationInfo.uid}; 1786 ArrayList<String> pkgList = new ArrayList<>(1); 1787 pkgList.add(packageName); 1788 sendResourcesChangedBroadcast(true, true, pkgList, uidArray, null); 1789 } 1790 } 1791 1792 // Work that needs to happen on first install within each user 1793 if (firstUsers != null && firstUsers.length > 0) { 1794 synchronized (mPackages) { 1795 for (int userId : firstUsers) { 1796 // If this app is a browser and it's newly-installed for some 1797 // users, clear any default-browser state in those users. The 1798 // app's nature doesn't depend on the user, so we can just check 1799 // its browser nature in any user and generalize. 1800 if (packageIsBrowser(packageName, userId)) { 1801 mSettings.setDefaultBrowserPackageNameLPw(null, userId); 1802 } 1803 1804 // We may also need to apply pending (restored) runtime 1805 // permission grants within these users. 1806 mSettings.applyPendingPermissionGrantsLPw(packageName, userId); 1807 } 1808 } 1809 } 1810 1811 // Log current value of "unknown sources" setting 1812 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1813 getUnknownSourcesSettings()); 1814 1815 // Force a gc to clear up things 1816 Runtime.getRuntime().gc(); 1817 1818 // Remove the replaced package's older resources safely now 1819 // We delete after a gc for applications on sdcard. 1820 if (res.removedInfo != null && res.removedInfo.args != null) { 1821 synchronized (mInstallLock) { 1822 res.removedInfo.args.doPostDeleteLI(true); 1823 } 1824 } 1825 } 1826 1827 // If someone is watching installs - notify them 1828 if (installObserver != null) { 1829 try { 1830 Bundle extras = extrasForInstallResult(res); 1831 installObserver.onPackageInstalled(res.name, res.returnCode, 1832 res.returnMsg, extras); 1833 } catch (RemoteException e) { 1834 Slog.i(TAG, "Observer no longer exists."); 1835 } 1836 } 1837 } 1838 1839 private void grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw( 1840 PackageParser.Package pkg) { 1841 if (pkg.parentPackage == null) { 1842 return; 1843 } 1844 if (pkg.requestedPermissions == null) { 1845 return; 1846 } 1847 final PackageSetting disabledSysParentPs = mSettings 1848 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 1849 if (disabledSysParentPs == null || disabledSysParentPs.pkg == null 1850 || !disabledSysParentPs.isPrivileged() 1851 || (disabledSysParentPs.childPackageNames != null 1852 && !disabledSysParentPs.childPackageNames.isEmpty())) { 1853 return; 1854 } 1855 final int[] allUserIds = sUserManager.getUserIds(); 1856 final int permCount = pkg.requestedPermissions.size(); 1857 for (int i = 0; i < permCount; i++) { 1858 String permission = pkg.requestedPermissions.get(i); 1859 BasePermission bp = mSettings.mPermissions.get(permission); 1860 if (bp == null || !(bp.isRuntime() || bp.isDevelopment())) { 1861 continue; 1862 } 1863 for (int userId : allUserIds) { 1864 if (disabledSysParentPs.getPermissionsState().hasRuntimePermission( 1865 permission, userId)) { 1866 grantRuntimePermission(pkg.packageName, permission, userId); 1867 } 1868 } 1869 } 1870 } 1871 1872 private StorageEventListener mStorageListener = new StorageEventListener() { 1873 @Override 1874 public void onVolumeStateChanged(VolumeInfo vol, int oldState, int newState) { 1875 if (vol.type == VolumeInfo.TYPE_PRIVATE) { 1876 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1877 final String volumeUuid = vol.getFsUuid(); 1878 1879 // Clean up any users or apps that were removed or recreated 1880 // while this volume was missing 1881 reconcileUsers(volumeUuid); 1882 reconcileApps(volumeUuid); 1883 1884 // Clean up any install sessions that expired or were 1885 // cancelled while this volume was missing 1886 mInstallerService.onPrivateVolumeMounted(volumeUuid); 1887 1888 loadPrivatePackages(vol); 1889 1890 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1891 unloadPrivatePackages(vol); 1892 } 1893 } 1894 1895 if (vol.type == VolumeInfo.TYPE_PUBLIC && vol.isPrimary()) { 1896 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1897 updateExternalMediaStatus(true, false); 1898 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1899 updateExternalMediaStatus(false, false); 1900 } 1901 } 1902 } 1903 1904 @Override 1905 public void onVolumeForgotten(String fsUuid) { 1906 if (TextUtils.isEmpty(fsUuid)) { 1907 Slog.e(TAG, "Forgetting internal storage is probably a mistake; ignoring"); 1908 return; 1909 } 1910 1911 // Remove any apps installed on the forgotten volume 1912 synchronized (mPackages) { 1913 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(fsUuid); 1914 for (PackageSetting ps : packages) { 1915 Slog.d(TAG, "Destroying " + ps.name + " because volume was forgotten"); 1916 deletePackage(ps.name, new LegacyPackageDeleteObserver(null).getBinder(), 1917 UserHandle.USER_SYSTEM, PackageManager.DELETE_ALL_USERS); 1918 } 1919 1920 mSettings.onVolumeForgotten(fsUuid); 1921 mSettings.writeLPr(); 1922 } 1923 } 1924 }; 1925 1926 private void grantRequestedRuntimePermissions(PackageParser.Package pkg, int[] userIds, 1927 String[] grantedPermissions) { 1928 for (int userId : userIds) { 1929 grantRequestedRuntimePermissionsForUser(pkg, userId, grantedPermissions); 1930 } 1931 1932 // We could have touched GID membership, so flush out packages.list 1933 synchronized (mPackages) { 1934 mSettings.writePackageListLPr(); 1935 } 1936 } 1937 1938 private void grantRequestedRuntimePermissionsForUser(PackageParser.Package pkg, int userId, 1939 String[] grantedPermissions) { 1940 SettingBase sb = (SettingBase) pkg.mExtras; 1941 if (sb == null) { 1942 return; 1943 } 1944 1945 PermissionsState permissionsState = sb.getPermissionsState(); 1946 1947 final int immutableFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 1948 | PackageManager.FLAG_PERMISSION_POLICY_FIXED; 1949 1950 synchronized (mPackages) { 1951 for (String permission : pkg.requestedPermissions) { 1952 BasePermission bp = mSettings.mPermissions.get(permission); 1953 if (bp != null && (bp.isRuntime() || bp.isDevelopment()) 1954 && (grantedPermissions == null 1955 || ArrayUtils.contains(grantedPermissions, permission))) { 1956 final int flags = permissionsState.getPermissionFlags(permission, userId); 1957 // Installer cannot change immutable permissions. 1958 if ((flags & immutableFlags) == 0) { 1959 grantRuntimePermission(pkg.packageName, permission, userId); 1960 } 1961 } 1962 } 1963 } 1964 } 1965 1966 Bundle extrasForInstallResult(PackageInstalledInfo res) { 1967 Bundle extras = null; 1968 switch (res.returnCode) { 1969 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 1970 extras = new Bundle(); 1971 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 1972 res.origPermission); 1973 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 1974 res.origPackage); 1975 break; 1976 } 1977 case PackageManager.INSTALL_SUCCEEDED: { 1978 extras = new Bundle(); 1979 extras.putBoolean(Intent.EXTRA_REPLACING, 1980 res.removedInfo != null && res.removedInfo.removedPackage != null); 1981 break; 1982 } 1983 } 1984 return extras; 1985 } 1986 1987 void scheduleWriteSettingsLocked() { 1988 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 1989 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 1990 } 1991 } 1992 1993 void scheduleWritePackageRestrictionsLocked(UserHandle user) { 1994 final int userId = user == null ? UserHandle.USER_ALL : user.getIdentifier(); 1995 scheduleWritePackageRestrictionsLocked(userId); 1996 } 1997 1998 void scheduleWritePackageRestrictionsLocked(int userId) { 1999 final int[] userIds = (userId == UserHandle.USER_ALL) 2000 ? sUserManager.getUserIds() : new int[]{userId}; 2001 for (int nextUserId : userIds) { 2002 if (!sUserManager.exists(nextUserId)) return; 2003 mDirtyUsers.add(nextUserId); 2004 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 2005 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 2006 } 2007 } 2008 } 2009 2010 public static PackageManagerService main(Context context, Installer installer, 2011 boolean factoryTest, boolean onlyCore) { 2012 // Self-check for initial settings. 2013 PackageManagerServiceCompilerMapping.checkProperties(); 2014 2015 PackageManagerService m = new PackageManagerService(context, installer, 2016 factoryTest, onlyCore); 2017 m.enableSystemUserPackages(); 2018 ServiceManager.addService("package", m); 2019 return m; 2020 } 2021 2022 private void enableSystemUserPackages() { 2023 if (!UserManager.isSplitSystemUser()) { 2024 return; 2025 } 2026 // For system user, enable apps based on the following conditions: 2027 // - app is whitelisted or belong to one of these groups: 2028 // -- system app which has no launcher icons 2029 // -- system app which has INTERACT_ACROSS_USERS permission 2030 // -- system IME app 2031 // - app is not in the blacklist 2032 AppsQueryHelper queryHelper = new AppsQueryHelper(this); 2033 Set<String> enableApps = new ArraySet<>(); 2034 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_NON_LAUNCHABLE_APPS 2035 | AppsQueryHelper.GET_APPS_WITH_INTERACT_ACROSS_USERS_PERM 2036 | AppsQueryHelper.GET_IMES, /* systemAppsOnly */ true, UserHandle.SYSTEM)); 2037 ArraySet<String> wlApps = SystemConfig.getInstance().getSystemUserWhitelistedApps(); 2038 enableApps.addAll(wlApps); 2039 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_REQUIRED_FOR_SYSTEM_USER, 2040 /* systemAppsOnly */ false, UserHandle.SYSTEM)); 2041 ArraySet<String> blApps = SystemConfig.getInstance().getSystemUserBlacklistedApps(); 2042 enableApps.removeAll(blApps); 2043 Log.i(TAG, "Applications installed for system user: " + enableApps); 2044 List<String> allAps = queryHelper.queryApps(0, /* systemAppsOnly */ false, 2045 UserHandle.SYSTEM); 2046 final int allAppsSize = allAps.size(); 2047 synchronized (mPackages) { 2048 for (int i = 0; i < allAppsSize; i++) { 2049 String pName = allAps.get(i); 2050 PackageSetting pkgSetting = mSettings.mPackages.get(pName); 2051 // Should not happen, but we shouldn't be failing if it does 2052 if (pkgSetting == null) { 2053 continue; 2054 } 2055 boolean install = enableApps.contains(pName); 2056 if (pkgSetting.getInstalled(UserHandle.USER_SYSTEM) != install) { 2057 Log.i(TAG, (install ? "Installing " : "Uninstalling ") + pName 2058 + " for system user"); 2059 pkgSetting.setInstalled(install, UserHandle.USER_SYSTEM); 2060 } 2061 } 2062 } 2063 } 2064 2065 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 2066 DisplayManager displayManager = (DisplayManager) context.getSystemService( 2067 Context.DISPLAY_SERVICE); 2068 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 2069 } 2070 2071 public PackageManagerService(Context context, Installer installer, 2072 boolean factoryTest, boolean onlyCore) { 2073 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 2074 SystemClock.uptimeMillis()); 2075 2076 if (mSdkVersion <= 0) { 2077 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 2078 } 2079 2080 mContext = context; 2081 mFactoryTest = factoryTest; 2082 mOnlyCore = onlyCore; 2083 mMetrics = new DisplayMetrics(); 2084 mSettings = new Settings(mPackages); 2085 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 2086 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2087 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 2088 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2089 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 2090 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2091 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 2092 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2093 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 2094 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2095 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 2096 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2097 2098 String separateProcesses = SystemProperties.get("debug.separate_processes"); 2099 if (separateProcesses != null && separateProcesses.length() > 0) { 2100 if ("*".equals(separateProcesses)) { 2101 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 2102 mSeparateProcesses = null; 2103 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 2104 } else { 2105 mDefParseFlags = 0; 2106 mSeparateProcesses = separateProcesses.split(","); 2107 Slog.w(TAG, "Running with debug.separate_processes: " 2108 + separateProcesses); 2109 } 2110 } else { 2111 mDefParseFlags = 0; 2112 mSeparateProcesses = null; 2113 } 2114 2115 mInstaller = installer; 2116 mPackageDexOptimizer = new PackageDexOptimizer(installer, mInstallLock, context, 2117 "*dexopt*"); 2118 mMoveCallbacks = new MoveCallbacks(FgThread.get().getLooper()); 2119 2120 mOnPermissionChangeListeners = new OnPermissionChangeListeners( 2121 FgThread.get().getLooper()); 2122 2123 getDefaultDisplayMetrics(context, mMetrics); 2124 2125 SystemConfig systemConfig = SystemConfig.getInstance(); 2126 mGlobalGids = systemConfig.getGlobalGids(); 2127 mSystemPermissions = systemConfig.getSystemPermissions(); 2128 mAvailableFeatures = systemConfig.getAvailableFeatures(); 2129 2130 synchronized (mInstallLock) { 2131 // writer 2132 synchronized (mPackages) { 2133 mHandlerThread = new ServiceThread(TAG, 2134 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 2135 mHandlerThread.start(); 2136 mHandler = new PackageHandler(mHandlerThread.getLooper()); 2137 mProcessLoggingHandler = new ProcessLoggingHandler(); 2138 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 2139 2140 File dataDir = Environment.getDataDirectory(); 2141 mAppInstallDir = new File(dataDir, "app"); 2142 mAppLib32InstallDir = new File(dataDir, "app-lib"); 2143 mEphemeralInstallDir = new File(dataDir, "app-ephemeral"); 2144 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 2145 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 2146 2147 sUserManager = new UserManagerService(context, this, mPackages); 2148 2149 // Propagate permission configuration in to package manager. 2150 ArrayMap<String, SystemConfig.PermissionEntry> permConfig 2151 = systemConfig.getPermissions(); 2152 for (int i=0; i<permConfig.size(); i++) { 2153 SystemConfig.PermissionEntry perm = permConfig.valueAt(i); 2154 BasePermission bp = mSettings.mPermissions.get(perm.name); 2155 if (bp == null) { 2156 bp = new BasePermission(perm.name, "android", BasePermission.TYPE_BUILTIN); 2157 mSettings.mPermissions.put(perm.name, bp); 2158 } 2159 if (perm.gids != null) { 2160 bp.setGids(perm.gids, perm.perUser); 2161 } 2162 } 2163 2164 ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries(); 2165 for (int i=0; i<libConfig.size(); i++) { 2166 mSharedLibraries.put(libConfig.keyAt(i), 2167 new SharedLibraryEntry(libConfig.valueAt(i), null)); 2168 } 2169 2170 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 2171 2172 mRestoredSettings = mSettings.readLPw(sUserManager.getUsers(false)); 2173 2174 String customResolverActivity = Resources.getSystem().getString( 2175 R.string.config_customResolverActivity); 2176 if (TextUtils.isEmpty(customResolverActivity)) { 2177 customResolverActivity = null; 2178 } else { 2179 mCustomResolverComponentName = ComponentName.unflattenFromString( 2180 customResolverActivity); 2181 } 2182 2183 long startTime = SystemClock.uptimeMillis(); 2184 2185 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 2186 startTime); 2187 2188 // Set flag to monitor and not change apk file paths when 2189 // scanning install directories. 2190 final int scanFlags = SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING | SCAN_INITIAL; 2191 2192 final String bootClassPath = System.getenv("BOOTCLASSPATH"); 2193 final String systemServerClassPath = System.getenv("SYSTEMSERVERCLASSPATH"); 2194 2195 if (bootClassPath == null) { 2196 Slog.w(TAG, "No BOOTCLASSPATH found!"); 2197 } 2198 2199 if (systemServerClassPath == null) { 2200 Slog.w(TAG, "No SYSTEMSERVERCLASSPATH found!"); 2201 } 2202 2203 final List<String> allInstructionSets = InstructionSets.getAllInstructionSets(); 2204 final String[] dexCodeInstructionSets = 2205 getDexCodeInstructionSets( 2206 allInstructionSets.toArray(new String[allInstructionSets.size()])); 2207 2208 /** 2209 * Ensure all external libraries have had dexopt run on them. 2210 */ 2211 if (mSharedLibraries.size() > 0) { 2212 // NOTE: For now, we're compiling these system "shared libraries" 2213 // (and framework jars) into all available architectures. It's possible 2214 // to compile them only when we come across an app that uses them (there's 2215 // already logic for that in scanPackageLI) but that adds some complexity. 2216 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 2217 for (SharedLibraryEntry libEntry : mSharedLibraries.values()) { 2218 final String lib = libEntry.path; 2219 if (lib == null) { 2220 continue; 2221 } 2222 2223 try { 2224 // Shared libraries do not have profiles so we perform a full 2225 // AOT compilation (if needed). 2226 int dexoptNeeded = DexFile.getDexOptNeeded( 2227 lib, dexCodeInstructionSet, 2228 getCompilerFilterForReason(REASON_SHARED_APK), 2229 false /* newProfile */); 2230 if (dexoptNeeded != DexFile.NO_DEXOPT_NEEDED) { 2231 mInstaller.dexopt(lib, Process.SYSTEM_UID, dexCodeInstructionSet, 2232 dexoptNeeded, DEXOPT_PUBLIC /*dexFlags*/, 2233 getCompilerFilterForReason(REASON_SHARED_APK), 2234 StorageManager.UUID_PRIVATE_INTERNAL); 2235 } 2236 } catch (FileNotFoundException e) { 2237 Slog.w(TAG, "Library not found: " + lib); 2238 } catch (IOException | InstallerException e) { 2239 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 2240 + e.getMessage()); 2241 } 2242 } 2243 } 2244 } 2245 2246 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 2247 2248 final VersionInfo ver = mSettings.getInternalVersion(); 2249 mIsUpgrade = !Build.FINGERPRINT.equals(ver.fingerprint); 2250 2251 // when upgrading from pre-M, promote system app permissions from install to runtime 2252 mPromoteSystemApps = 2253 mIsUpgrade && ver.sdkVersion <= Build.VERSION_CODES.LOLLIPOP_MR1; 2254 2255 // save off the names of pre-existing system packages prior to scanning; we don't 2256 // want to automatically grant runtime permissions for new system apps 2257 if (mPromoteSystemApps) { 2258 Iterator<PackageSetting> pkgSettingIter = mSettings.mPackages.values().iterator(); 2259 while (pkgSettingIter.hasNext()) { 2260 PackageSetting ps = pkgSettingIter.next(); 2261 if (isSystemApp(ps)) { 2262 mExistingSystemPackages.add(ps.name); 2263 } 2264 } 2265 } 2266 2267 // When upgrading from pre-N, we need to handle package extraction like first boot, 2268 // as there is no profiling data available. 2269 mIsPreNUpgrade = !mSettings.isNWorkDone(); 2270 mSettings.setNWorkDone(); 2271 2272 // Collect vendor overlay packages. 2273 // (Do this before scanning any apps.) 2274 // For security and version matching reason, only consider 2275 // overlay packages if they reside in VENDOR_OVERLAY_DIR. 2276 File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR); 2277 scanDirTracedLI(vendorOverlayDir, PackageParser.PARSE_IS_SYSTEM 2278 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 2279 2280 // Find base frameworks (resource packages without code). 2281 scanDirTracedLI(frameworkDir, PackageParser.PARSE_IS_SYSTEM 2282 | PackageParser.PARSE_IS_SYSTEM_DIR 2283 | PackageParser.PARSE_IS_PRIVILEGED, 2284 scanFlags | SCAN_NO_DEX, 0); 2285 2286 // Collected privileged system packages. 2287 final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 2288 scanDirTracedLI(privilegedAppDir, PackageParser.PARSE_IS_SYSTEM 2289 | PackageParser.PARSE_IS_SYSTEM_DIR 2290 | PackageParser.PARSE_IS_PRIVILEGED, scanFlags, 0); 2291 2292 // Collect ordinary system packages. 2293 final File systemAppDir = new File(Environment.getRootDirectory(), "app"); 2294 scanDirTracedLI(systemAppDir, PackageParser.PARSE_IS_SYSTEM 2295 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2296 2297 // Collect all vendor packages. 2298 File vendorAppDir = new File("/vendor/app"); 2299 try { 2300 vendorAppDir = vendorAppDir.getCanonicalFile(); 2301 } catch (IOException e) { 2302 // failed to look up canonical path, continue with original one 2303 } 2304 scanDirTracedLI(vendorAppDir, PackageParser.PARSE_IS_SYSTEM 2305 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2306 2307 // Collect all OEM packages. 2308 final File oemAppDir = new File(Environment.getOemDirectory(), "app"); 2309 scanDirTracedLI(oemAppDir, PackageParser.PARSE_IS_SYSTEM 2310 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2311 2312 // Prune any system packages that no longer exist. 2313 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 2314 if (!mOnlyCore) { 2315 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 2316 while (psit.hasNext()) { 2317 PackageSetting ps = psit.next(); 2318 2319 /* 2320 * If this is not a system app, it can't be a 2321 * disable system app. 2322 */ 2323 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 2324 continue; 2325 } 2326 2327 /* 2328 * If the package is scanned, it's not erased. 2329 */ 2330 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 2331 if (scannedPkg != null) { 2332 /* 2333 * If the system app is both scanned and in the 2334 * disabled packages list, then it must have been 2335 * added via OTA. Remove it from the currently 2336 * scanned package so the previously user-installed 2337 * application can be scanned. 2338 */ 2339 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 2340 logCriticalInfo(Log.WARN, "Expecting better updated system app for " 2341 + ps.name + "; removing system app. Last known codePath=" 2342 + ps.codePathString + ", installStatus=" + ps.installStatus 2343 + ", versionCode=" + ps.versionCode + "; scanned versionCode=" 2344 + scannedPkg.mVersionCode); 2345 removePackageLI(scannedPkg, true); 2346 mExpectingBetter.put(ps.name, ps.codePath); 2347 } 2348 2349 continue; 2350 } 2351 2352 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 2353 psit.remove(); 2354 logCriticalInfo(Log.WARN, "System package " + ps.name 2355 + " no longer exists; wiping its data"); 2356 removeDataDirsLI(null, ps.name); 2357 } else { 2358 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 2359 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 2360 possiblyDeletedUpdatedSystemApps.add(ps.name); 2361 } 2362 } 2363 } 2364 } 2365 2366 //look for any incomplete package installations 2367 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 2368 //clean up list 2369 for(int i = 0; i < deletePkgsList.size(); i++) { 2370 //clean up here 2371 cleanupInstallFailedPackage(deletePkgsList.get(i)); 2372 } 2373 //delete tmp files 2374 deleteTempPackageFiles(); 2375 2376 // Remove any shared userIDs that have no associated packages 2377 mSettings.pruneSharedUsersLPw(); 2378 2379 if (!mOnlyCore) { 2380 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 2381 SystemClock.uptimeMillis()); 2382 scanDirTracedLI(mAppInstallDir, 0, scanFlags | SCAN_REQUIRE_KNOWN, 0); 2383 2384 scanDirTracedLI(mDrmAppPrivateInstallDir, PackageParser.PARSE_FORWARD_LOCK, 2385 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2386 2387 scanDirLI(mEphemeralInstallDir, PackageParser.PARSE_IS_EPHEMERAL, 2388 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2389 2390 /** 2391 * Remove disable package settings for any updated system 2392 * apps that were removed via an OTA. If they're not a 2393 * previously-updated app, remove them completely. 2394 * Otherwise, just revoke their system-level permissions. 2395 */ 2396 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 2397 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 2398 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 2399 2400 String msg; 2401 if (deletedPkg == null) { 2402 msg = "Updated system package " + deletedAppName 2403 + " no longer exists; wiping its data"; 2404 removeDataDirsLI(null, deletedAppName); 2405 } else { 2406 msg = "Updated system app + " + deletedAppName 2407 + " no longer present; removing system privileges for " 2408 + deletedAppName; 2409 2410 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 2411 2412 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 2413 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 2414 } 2415 logCriticalInfo(Log.WARN, msg); 2416 } 2417 2418 /** 2419 * Make sure all system apps that we expected to appear on 2420 * the userdata partition actually showed up. If they never 2421 * appeared, crawl back and revive the system version. 2422 */ 2423 for (int i = 0; i < mExpectingBetter.size(); i++) { 2424 final String packageName = mExpectingBetter.keyAt(i); 2425 if (!mPackages.containsKey(packageName)) { 2426 final File scanFile = mExpectingBetter.valueAt(i); 2427 2428 logCriticalInfo(Log.WARN, "Expected better " + packageName 2429 + " but never showed up; reverting to system"); 2430 2431 final int reparseFlags; 2432 if (FileUtils.contains(privilegedAppDir, scanFile)) { 2433 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2434 | PackageParser.PARSE_IS_SYSTEM_DIR 2435 | PackageParser.PARSE_IS_PRIVILEGED; 2436 } else if (FileUtils.contains(systemAppDir, scanFile)) { 2437 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2438 | PackageParser.PARSE_IS_SYSTEM_DIR; 2439 } else if (FileUtils.contains(vendorAppDir, scanFile)) { 2440 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2441 | PackageParser.PARSE_IS_SYSTEM_DIR; 2442 } else if (FileUtils.contains(oemAppDir, scanFile)) { 2443 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2444 | PackageParser.PARSE_IS_SYSTEM_DIR; 2445 } else { 2446 Slog.e(TAG, "Ignoring unexpected fallback path " + scanFile); 2447 continue; 2448 } 2449 2450 mSettings.enableSystemPackageLPw(packageName); 2451 2452 try { 2453 scanPackageTracedLI(scanFile, reparseFlags, scanFlags, 0, null); 2454 } catch (PackageManagerException e) { 2455 Slog.e(TAG, "Failed to parse original system package: " 2456 + e.getMessage()); 2457 } 2458 } 2459 } 2460 } 2461 mExpectingBetter.clear(); 2462 2463 // Resolve protected action filters. Only the setup wizard is allowed to 2464 // have a high priority filter for these actions. 2465 mSetupWizardPackage = getSetupWizardPackageName(); 2466 if (mProtectedFilters.size() > 0) { 2467 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 2468 Slog.i(TAG, "No setup wizard;" 2469 + " All protected intents capped to priority 0"); 2470 } 2471 for (ActivityIntentInfo filter : mProtectedFilters) { 2472 if (filter.activity.info.packageName.equals(mSetupWizardPackage)) { 2473 if (DEBUG_FILTERS) { 2474 Slog.i(TAG, "Found setup wizard;" 2475 + " allow priority " + filter.getPriority() + ";" 2476 + " package: " + filter.activity.info.packageName 2477 + " activity: " + filter.activity.className 2478 + " priority: " + filter.getPriority()); 2479 } 2480 // skip setup wizard; allow it to keep the high priority filter 2481 continue; 2482 } 2483 Slog.w(TAG, "Protected action; cap priority to 0;" 2484 + " package: " + filter.activity.info.packageName 2485 + " activity: " + filter.activity.className 2486 + " origPrio: " + filter.getPriority()); 2487 filter.setPriority(0); 2488 } 2489 } 2490 mDeferProtectedFilters = false; 2491 mProtectedFilters.clear(); 2492 2493 // Now that we know all of the shared libraries, update all clients to have 2494 // the correct library paths. 2495 updateAllSharedLibrariesLPw(); 2496 2497 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 2498 // NOTE: We ignore potential failures here during a system scan (like 2499 // the rest of the commands above) because there's precious little we 2500 // can do about it. A settings error is reported, though. 2501 adjustCpuAbisForSharedUserLPw(setting.packages, null /* scanned package */, 2502 false /* boot complete */); 2503 } 2504 2505 // Now that we know all the packages we are keeping, 2506 // read and update their last usage times. 2507 mPackageUsage.readLP(); 2508 2509 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 2510 SystemClock.uptimeMillis()); 2511 Slog.i(TAG, "Time to scan packages: " 2512 + ((SystemClock.uptimeMillis()-startTime)/1000f) 2513 + " seconds"); 2514 2515 // If the platform SDK has changed since the last time we booted, 2516 // we need to re-grant app permission to catch any new ones that 2517 // appear. This is really a hack, and means that apps can in some 2518 // cases get permissions that the user didn't initially explicitly 2519 // allow... it would be nice to have some better way to handle 2520 // this situation. 2521 int updateFlags = UPDATE_PERMISSIONS_ALL; 2522 if (ver.sdkVersion != mSdkVersion) { 2523 Slog.i(TAG, "Platform changed from " + ver.sdkVersion + " to " 2524 + mSdkVersion + "; regranting permissions for internal storage"); 2525 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 2526 } 2527 updatePermissionsLPw(null, null, StorageManager.UUID_PRIVATE_INTERNAL, updateFlags); 2528 ver.sdkVersion = mSdkVersion; 2529 2530 // If this is the first boot or an update from pre-M, and it is a normal 2531 // boot, then we need to initialize the default preferred apps across 2532 // all defined users. 2533 if (!onlyCore && (mPromoteSystemApps || !mRestoredSettings)) { 2534 for (UserInfo user : sUserManager.getUsers(true)) { 2535 mSettings.applyDefaultPreferredAppsLPw(this, user.id); 2536 applyFactoryDefaultBrowserLPw(user.id); 2537 primeDomainVerificationsLPw(user.id); 2538 } 2539 } 2540 2541 // Prepare storage for system user really early during boot, 2542 // since core system apps like SettingsProvider and SystemUI 2543 // can't wait for user to start 2544 final int storageFlags; 2545 if (StorageManager.isFileEncryptedNativeOrEmulated()) { 2546 storageFlags = StorageManager.FLAG_STORAGE_DE; 2547 } else { 2548 storageFlags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 2549 } 2550 reconcileAppsData(StorageManager.UUID_PRIVATE_INTERNAL, UserHandle.USER_SYSTEM, 2551 storageFlags); 2552 2553 // If this is first boot after an OTA, and a normal boot, then 2554 // we need to clear code cache directories. 2555 if (mIsUpgrade && !onlyCore) { 2556 Slog.i(TAG, "Build fingerprint changed; clearing code caches"); 2557 for (int i = 0; i < mSettings.mPackages.size(); i++) { 2558 final PackageSetting ps = mSettings.mPackages.valueAt(i); 2559 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, ps.volumeUuid)) { 2560 deleteCodeCacheDirsLI(ps.volumeUuid, ps.name); 2561 } 2562 } 2563 ver.fingerprint = Build.FINGERPRINT; 2564 } 2565 2566 checkDefaultBrowser(); 2567 2568 // clear only after permissions and other defaults have been updated 2569 mExistingSystemPackages.clear(); 2570 mPromoteSystemApps = false; 2571 2572 // All the changes are done during package scanning. 2573 ver.databaseVersion = Settings.CURRENT_DATABASE_VERSION; 2574 2575 // can downgrade to reader 2576 mSettings.writeLPr(); 2577 2578 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 2579 SystemClock.uptimeMillis()); 2580 2581 if (!mOnlyCore) { 2582 mRequiredVerifierPackage = getRequiredButNotReallyRequiredVerifierLPr(); 2583 mRequiredInstallerPackage = getRequiredInstallerLPr(); 2584 mIntentFilterVerifierComponent = getIntentFilterVerifierComponentNameLPr(); 2585 mIntentFilterVerifier = new IntentVerifierProxy(mContext, 2586 mIntentFilterVerifierComponent); 2587 } else { 2588 mRequiredVerifierPackage = null; 2589 mRequiredInstallerPackage = null; 2590 mIntentFilterVerifierComponent = null; 2591 mIntentFilterVerifier = null; 2592 } 2593 2594 mInstallerService = new PackageInstallerService(context, this); 2595 2596 final ComponentName ephemeralResolverComponent = getEphemeralResolverLPr(); 2597 final ComponentName ephemeralInstallerComponent = getEphemeralInstallerLPr(); 2598 // both the installer and resolver must be present to enable ephemeral 2599 if (ephemeralInstallerComponent != null && ephemeralResolverComponent != null) { 2600 if (DEBUG_EPHEMERAL) { 2601 Slog.i(TAG, "Ephemeral activated; resolver: " + ephemeralResolverComponent 2602 + " installer:" + ephemeralInstallerComponent); 2603 } 2604 mEphemeralResolverComponent = ephemeralResolverComponent; 2605 mEphemeralInstallerComponent = ephemeralInstallerComponent; 2606 setUpEphemeralInstallerActivityLP(mEphemeralInstallerComponent); 2607 mEphemeralResolverConnection = 2608 new EphemeralResolverConnection(mContext, mEphemeralResolverComponent); 2609 } else { 2610 if (DEBUG_EPHEMERAL) { 2611 final String missingComponent = 2612 (ephemeralResolverComponent == null) 2613 ? (ephemeralInstallerComponent == null) 2614 ? "resolver and installer" 2615 : "resolver" 2616 : "installer"; 2617 Slog.i(TAG, "Ephemeral deactivated; missing " + missingComponent); 2618 } 2619 mEphemeralResolverComponent = null; 2620 mEphemeralInstallerComponent = null; 2621 mEphemeralResolverConnection = null; 2622 } 2623 2624 mEphemeralApplicationRegistry = new EphemeralApplicationRegistry(this); 2625 } // synchronized (mPackages) 2626 } // synchronized (mInstallLock) 2627 2628 // Now after opening every single application zip, make sure they 2629 // are all flushed. Not really needed, but keeps things nice and 2630 // tidy. 2631 Runtime.getRuntime().gc(); 2632 2633 // The initial scanning above does many calls into installd while 2634 // holding the mPackages lock, but we're mostly interested in yelling 2635 // once we have a booted system. 2636 mInstaller.setWarnIfHeld(mPackages); 2637 2638 // Expose private service for system components to use. 2639 LocalServices.addService(PackageManagerInternal.class, new PackageManagerInternalImpl()); 2640 } 2641 2642 @Override 2643 public boolean isFirstBoot() { 2644 return !mRestoredSettings; 2645 } 2646 2647 @Override 2648 public boolean isOnlyCoreApps() { 2649 return mOnlyCore; 2650 } 2651 2652 @Override 2653 public boolean isUpgrade() { 2654 return mIsUpgrade; 2655 } 2656 2657 private @Nullable String getRequiredButNotReallyRequiredVerifierLPr() { 2658 final Intent intent = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 2659 2660 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 2661 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2662 UserHandle.USER_SYSTEM); 2663 if (matches.size() == 1) { 2664 return matches.get(0).getComponentInfo().packageName; 2665 } else { 2666 Log.e(TAG, "There should probably be exactly one verifier; found " + matches); 2667 return null; 2668 } 2669 } 2670 2671 private @NonNull String getRequiredInstallerLPr() { 2672 final Intent intent = new Intent(Intent.ACTION_INSTALL_PACKAGE); 2673 intent.addCategory(Intent.CATEGORY_DEFAULT); 2674 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2675 2676 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 2677 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2678 UserHandle.USER_SYSTEM); 2679 if (matches.size() == 1) { 2680 return matches.get(0).getComponentInfo().packageName; 2681 } else { 2682 throw new RuntimeException("There must be exactly one installer; found " + matches); 2683 } 2684 } 2685 2686 private @NonNull ComponentName getIntentFilterVerifierComponentNameLPr() { 2687 final Intent intent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 2688 2689 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 2690 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2691 UserHandle.USER_SYSTEM); 2692 ResolveInfo best = null; 2693 final int N = matches.size(); 2694 for (int i = 0; i < N; i++) { 2695 final ResolveInfo cur = matches.get(i); 2696 final String packageName = cur.getComponentInfo().packageName; 2697 if (checkPermission(android.Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 2698 packageName, UserHandle.USER_SYSTEM) != PackageManager.PERMISSION_GRANTED) { 2699 continue; 2700 } 2701 2702 if (best == null || cur.priority > best.priority) { 2703 best = cur; 2704 } 2705 } 2706 2707 if (best != null) { 2708 return best.getComponentInfo().getComponentName(); 2709 } else { 2710 throw new RuntimeException("There must be at least one intent filter verifier"); 2711 } 2712 } 2713 2714 private @Nullable ComponentName getEphemeralResolverLPr() { 2715 final String[] packageArray = 2716 mContext.getResources().getStringArray(R.array.config_ephemeralResolverPackage); 2717 if (packageArray.length == 0) { 2718 if (DEBUG_EPHEMERAL) { 2719 Slog.d(TAG, "Ephemeral resolver NOT found; empty package list"); 2720 } 2721 return null; 2722 } 2723 2724 final Intent resolverIntent = new Intent(Intent.ACTION_RESOLVE_EPHEMERAL_PACKAGE); 2725 final List<ResolveInfo> resolvers = queryIntentServicesInternal(resolverIntent, null, 2726 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2727 UserHandle.USER_SYSTEM); 2728 2729 final int N = resolvers.size(); 2730 if (N == 0) { 2731 if (DEBUG_EPHEMERAL) { 2732 Slog.d(TAG, "Ephemeral resolver NOT found; no matching intent filters"); 2733 } 2734 return null; 2735 } 2736 2737 final Set<String> possiblePackages = new ArraySet<>(Arrays.asList(packageArray)); 2738 for (int i = 0; i < N; i++) { 2739 final ResolveInfo info = resolvers.get(i); 2740 2741 if (info.serviceInfo == null) { 2742 continue; 2743 } 2744 2745 final String packageName = info.serviceInfo.packageName; 2746 if (!possiblePackages.contains(packageName)) { 2747 if (DEBUG_EPHEMERAL) { 2748 Slog.d(TAG, "Ephemeral resolver not in allowed package list;" 2749 + " pkg: " + packageName + ", info:" + info); 2750 } 2751 continue; 2752 } 2753 2754 if (DEBUG_EPHEMERAL) { 2755 Slog.v(TAG, "Ephemeral resolver found;" 2756 + " pkg: " + packageName + ", info:" + info); 2757 } 2758 return new ComponentName(packageName, info.serviceInfo.name); 2759 } 2760 if (DEBUG_EPHEMERAL) { 2761 Slog.v(TAG, "Ephemeral resolver NOT found"); 2762 } 2763 return null; 2764 } 2765 2766 private @Nullable ComponentName getEphemeralInstallerLPr() { 2767 final Intent intent = new Intent(Intent.ACTION_INSTALL_EPHEMERAL_PACKAGE); 2768 intent.addCategory(Intent.CATEGORY_DEFAULT); 2769 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2770 2771 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 2772 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2773 UserHandle.USER_SYSTEM); 2774 if (matches.size() == 0) { 2775 return null; 2776 } else if (matches.size() == 1) { 2777 return matches.get(0).getComponentInfo().getComponentName(); 2778 } else { 2779 throw new RuntimeException( 2780 "There must be at most one ephemeral installer; found " + matches); 2781 } 2782 } 2783 2784 private void primeDomainVerificationsLPw(int userId) { 2785 if (DEBUG_DOMAIN_VERIFICATION) { 2786 Slog.d(TAG, "Priming domain verifications in user " + userId); 2787 } 2788 2789 SystemConfig systemConfig = SystemConfig.getInstance(); 2790 ArraySet<String> packages = systemConfig.getLinkedApps(); 2791 ArraySet<String> domains = new ArraySet<String>(); 2792 2793 for (String packageName : packages) { 2794 PackageParser.Package pkg = mPackages.get(packageName); 2795 if (pkg != null) { 2796 if (!pkg.isSystemApp()) { 2797 Slog.w(TAG, "Non-system app '" + packageName + "' in sysconfig <app-link>"); 2798 continue; 2799 } 2800 2801 domains.clear(); 2802 for (PackageParser.Activity a : pkg.activities) { 2803 for (ActivityIntentInfo filter : a.intents) { 2804 if (hasValidDomains(filter)) { 2805 domains.addAll(filter.getHostsList()); 2806 } 2807 } 2808 } 2809 2810 if (domains.size() > 0) { 2811 if (DEBUG_DOMAIN_VERIFICATION) { 2812 Slog.v(TAG, " + " + packageName); 2813 } 2814 // 'Undefined' in the global IntentFilterVerificationInfo, i.e. the usual 2815 // state w.r.t. the formal app-linkage "no verification attempted" state; 2816 // and then 'always' in the per-user state actually used for intent resolution. 2817 final IntentFilterVerificationInfo ivi; 2818 ivi = mSettings.createIntentFilterVerificationIfNeededLPw(packageName, 2819 new ArrayList<String>(domains)); 2820 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED); 2821 mSettings.updateIntentFilterVerificationStatusLPw(packageName, 2822 INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, userId); 2823 } else { 2824 Slog.w(TAG, "Sysconfig <app-link> package '" + packageName 2825 + "' does not handle web links"); 2826 } 2827 } else { 2828 Slog.w(TAG, "Unknown package " + packageName + " in sysconfig <app-link>"); 2829 } 2830 } 2831 2832 scheduleWritePackageRestrictionsLocked(userId); 2833 scheduleWriteSettingsLocked(); 2834 } 2835 2836 private void applyFactoryDefaultBrowserLPw(int userId) { 2837 // The default browser app's package name is stored in a string resource, 2838 // with a product-specific overlay used for vendor customization. 2839 String browserPkg = mContext.getResources().getString( 2840 com.android.internal.R.string.default_browser); 2841 if (!TextUtils.isEmpty(browserPkg)) { 2842 // non-empty string => required to be a known package 2843 PackageSetting ps = mSettings.mPackages.get(browserPkg); 2844 if (ps == null) { 2845 Slog.e(TAG, "Product default browser app does not exist: " + browserPkg); 2846 browserPkg = null; 2847 } else { 2848 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 2849 } 2850 } 2851 2852 // Nothing valid explicitly set? Make the factory-installed browser the explicit 2853 // default. If there's more than one, just leave everything alone. 2854 if (browserPkg == null) { 2855 calculateDefaultBrowserLPw(userId); 2856 } 2857 } 2858 2859 private void calculateDefaultBrowserLPw(int userId) { 2860 List<String> allBrowsers = resolveAllBrowserApps(userId); 2861 final String browserPkg = (allBrowsers.size() == 1) ? allBrowsers.get(0) : null; 2862 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 2863 } 2864 2865 private List<String> resolveAllBrowserApps(int userId) { 2866 // Resolve the canonical browser intent and check that the handleAllWebDataURI boolean is set 2867 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 2868 PackageManager.MATCH_ALL, userId); 2869 2870 final int count = list.size(); 2871 List<String> result = new ArrayList<String>(count); 2872 for (int i=0; i<count; i++) { 2873 ResolveInfo info = list.get(i); 2874 if (info.activityInfo == null 2875 || !info.handleAllWebDataURI 2876 || (info.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 0 2877 || result.contains(info.activityInfo.packageName)) { 2878 continue; 2879 } 2880 result.add(info.activityInfo.packageName); 2881 } 2882 2883 return result; 2884 } 2885 2886 private boolean packageIsBrowser(String packageName, int userId) { 2887 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 2888 PackageManager.MATCH_ALL, userId); 2889 final int N = list.size(); 2890 for (int i = 0; i < N; i++) { 2891 ResolveInfo info = list.get(i); 2892 if (packageName.equals(info.activityInfo.packageName)) { 2893 return true; 2894 } 2895 } 2896 return false; 2897 } 2898 2899 private void checkDefaultBrowser() { 2900 final int myUserId = UserHandle.myUserId(); 2901 final String packageName = getDefaultBrowserPackageName(myUserId); 2902 if (packageName != null) { 2903 PackageInfo info = getPackageInfo(packageName, 0, myUserId); 2904 if (info == null) { 2905 Slog.w(TAG, "Default browser no longer installed: " + packageName); 2906 synchronized (mPackages) { 2907 applyFactoryDefaultBrowserLPw(myUserId); // leaves ambiguous when > 1 2908 } 2909 } 2910 } 2911 } 2912 2913 @Override 2914 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 2915 throws RemoteException { 2916 try { 2917 return super.onTransact(code, data, reply, flags); 2918 } catch (RuntimeException e) { 2919 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 2920 Slog.wtf(TAG, "Package Manager Crash", e); 2921 } 2922 throw e; 2923 } 2924 } 2925 2926 void cleanupInstallFailedPackage(PackageSetting ps) { 2927 logCriticalInfo(Log.WARN, "Cleaning up incompletely installed app: " + ps.name); 2928 2929 removeDataDirsLI(ps.volumeUuid, ps.name); 2930 if (ps.codePath != null) { 2931 removeCodePathLI(ps.codePath); 2932 } 2933 if (ps.resourcePath != null && !ps.resourcePath.equals(ps.codePath)) { 2934 if (ps.resourcePath.isDirectory()) { 2935 FileUtils.deleteContents(ps.resourcePath); 2936 } 2937 ps.resourcePath.delete(); 2938 } 2939 mSettings.removePackageLPw(ps.name); 2940 } 2941 2942 static int[] appendInts(int[] cur, int[] add) { 2943 if (add == null) return cur; 2944 if (cur == null) return add; 2945 final int N = add.length; 2946 for (int i=0; i<N; i++) { 2947 cur = appendInt(cur, add[i]); 2948 } 2949 return cur; 2950 } 2951 2952 private PackageInfo generatePackageInfo(PackageSetting ps, int flags, int userId) { 2953 if (!sUserManager.exists(userId)) return null; 2954 if (ps == null) { 2955 return null; 2956 } 2957 final PackageParser.Package p = ps.pkg; 2958 if (p == null) { 2959 return null; 2960 } 2961 2962 final PermissionsState permissionsState = ps.getPermissionsState(); 2963 2964 final int[] gids = permissionsState.computeGids(userId); 2965 final Set<String> permissions = permissionsState.getPermissions(userId); 2966 final PackageUserState state = ps.readUserState(userId); 2967 2968 return PackageParser.generatePackageInfo(p, gids, flags, 2969 ps.firstInstallTime, ps.lastUpdateTime, permissions, state, userId); 2970 } 2971 2972 @Override 2973 public void checkPackageStartable(String packageName, int userId) { 2974 final boolean userKeyUnlocked = isUserKeyUnlocked(userId); 2975 2976 synchronized (mPackages) { 2977 final PackageSetting ps = mSettings.mPackages.get(packageName); 2978 if (ps == null) { 2979 throw new SecurityException("Package " + packageName + " was not found!"); 2980 } 2981 2982 if (!ps.getInstalled(userId)) { 2983 throw new SecurityException( 2984 "Package " + packageName + " was not installed for user " + userId + "!"); 2985 } 2986 2987 if (mSafeMode && !ps.isSystem()) { 2988 throw new SecurityException("Package " + packageName + " not a system app!"); 2989 } 2990 2991 if (ps.frozen) { 2992 throw new SecurityException("Package " + packageName + " is currently frozen!"); 2993 } 2994 2995 if (!userKeyUnlocked && !(ps.pkg.applicationInfo.isDirectBootAware() 2996 || ps.pkg.applicationInfo.isPartiallyDirectBootAware())) { 2997 throw new SecurityException("Package " + packageName + " is not encryption aware!"); 2998 } 2999 } 3000 } 3001 3002 @Override 3003 public boolean isPackageAvailable(String packageName, int userId) { 3004 if (!sUserManager.exists(userId)) return false; 3005 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3006 false /* requireFullPermission */, false /* checkShell */, "is package available"); 3007 synchronized (mPackages) { 3008 PackageParser.Package p = mPackages.get(packageName); 3009 if (p != null) { 3010 final PackageSetting ps = (PackageSetting) p.mExtras; 3011 if (ps != null) { 3012 final PackageUserState state = ps.readUserState(userId); 3013 if (state != null) { 3014 return PackageParser.isAvailable(state); 3015 } 3016 } 3017 } 3018 } 3019 return false; 3020 } 3021 3022 @Override 3023 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 3024 if (!sUserManager.exists(userId)) return null; 3025 flags = updateFlagsForPackage(flags, userId, packageName); 3026 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3027 false /* requireFullPermission */, false /* checkShell */, "get package info"); 3028 // reader 3029 synchronized (mPackages) { 3030 final boolean matchFactoryOnly = (flags & MATCH_FACTORY_ONLY) != 0; 3031 PackageParser.Package p = null; 3032 if (matchFactoryOnly) { 3033 final PackageSetting ps = mSettings.getDisabledSystemPkgLPr(packageName); 3034 if (ps != null) { 3035 return generatePackageInfo(ps, flags, userId); 3036 } 3037 } 3038 if (p == null) { 3039 p = mPackages.get(packageName); 3040 if (matchFactoryOnly && !isSystemApp(p)) { 3041 return null; 3042 } 3043 } 3044 if (DEBUG_PACKAGE_INFO) 3045 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 3046 if (p != null) { 3047 return generatePackageInfo((PackageSetting)p.mExtras, flags, userId); 3048 } 3049 if (!matchFactoryOnly && (flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3050 final PackageSetting ps = mSettings.mPackages.get(packageName); 3051 return generatePackageInfo(ps, flags, userId); 3052 } 3053 } 3054 return null; 3055 } 3056 3057 @Override 3058 public String[] currentToCanonicalPackageNames(String[] names) { 3059 String[] out = new String[names.length]; 3060 // reader 3061 synchronized (mPackages) { 3062 for (int i=names.length-1; i>=0; i--) { 3063 PackageSetting ps = mSettings.mPackages.get(names[i]); 3064 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 3065 } 3066 } 3067 return out; 3068 } 3069 3070 @Override 3071 public String[] canonicalToCurrentPackageNames(String[] names) { 3072 String[] out = new String[names.length]; 3073 // reader 3074 synchronized (mPackages) { 3075 for (int i=names.length-1; i>=0; i--) { 3076 String cur = mSettings.mRenamedPackages.get(names[i]); 3077 out[i] = cur != null ? cur : names[i]; 3078 } 3079 } 3080 return out; 3081 } 3082 3083 @Override 3084 public int getPackageUid(String packageName, int flags, int userId) { 3085 if (!sUserManager.exists(userId)) return -1; 3086 flags = updateFlagsForPackage(flags, userId, packageName); 3087 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3088 false /* requireFullPermission */, false /* checkShell */, "get package uid"); 3089 3090 // reader 3091 synchronized (mPackages) { 3092 final PackageParser.Package p = mPackages.get(packageName); 3093 if (p != null && p.isMatch(flags)) { 3094 return UserHandle.getUid(userId, p.applicationInfo.uid); 3095 } 3096 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3097 final PackageSetting ps = mSettings.mPackages.get(packageName); 3098 if (ps != null && ps.isMatch(flags)) { 3099 return UserHandle.getUid(userId, ps.appId); 3100 } 3101 } 3102 } 3103 3104 return -1; 3105 } 3106 3107 @Override 3108 public int[] getPackageGids(String packageName, int flags, int userId) { 3109 if (!sUserManager.exists(userId)) return null; 3110 flags = updateFlagsForPackage(flags, userId, packageName); 3111 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3112 false /* requireFullPermission */, false /* checkShell */, 3113 "getPackageGids"); 3114 3115 // reader 3116 synchronized (mPackages) { 3117 final PackageParser.Package p = mPackages.get(packageName); 3118 if (p != null && p.isMatch(flags)) { 3119 PackageSetting ps = (PackageSetting) p.mExtras; 3120 return ps.getPermissionsState().computeGids(userId); 3121 } 3122 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3123 final PackageSetting ps = mSettings.mPackages.get(packageName); 3124 if (ps != null && ps.isMatch(flags)) { 3125 return ps.getPermissionsState().computeGids(userId); 3126 } 3127 } 3128 } 3129 3130 return null; 3131 } 3132 3133 static PermissionInfo generatePermissionInfo(BasePermission bp, int flags) { 3134 if (bp.perm != null) { 3135 return PackageParser.generatePermissionInfo(bp.perm, flags); 3136 } 3137 PermissionInfo pi = new PermissionInfo(); 3138 pi.name = bp.name; 3139 pi.packageName = bp.sourcePackage; 3140 pi.nonLocalizedLabel = bp.name; 3141 pi.protectionLevel = bp.protectionLevel; 3142 return pi; 3143 } 3144 3145 @Override 3146 public PermissionInfo getPermissionInfo(String name, int flags) { 3147 // reader 3148 synchronized (mPackages) { 3149 final BasePermission p = mSettings.mPermissions.get(name); 3150 if (p != null) { 3151 return generatePermissionInfo(p, flags); 3152 } 3153 return null; 3154 } 3155 } 3156 3157 @Override 3158 public @Nullable ParceledListSlice<PermissionInfo> queryPermissionsByGroup(String group, 3159 int flags) { 3160 // reader 3161 synchronized (mPackages) { 3162 if (group != null && !mPermissionGroups.containsKey(group)) { 3163 // This is thrown as NameNotFoundException 3164 return null; 3165 } 3166 3167 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 3168 for (BasePermission p : mSettings.mPermissions.values()) { 3169 if (group == null) { 3170 if (p.perm == null || p.perm.info.group == null) { 3171 out.add(generatePermissionInfo(p, flags)); 3172 } 3173 } else { 3174 if (p.perm != null && group.equals(p.perm.info.group)) { 3175 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 3176 } 3177 } 3178 } 3179 return new ParceledListSlice<>(out); 3180 } 3181 } 3182 3183 @Override 3184 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 3185 // reader 3186 synchronized (mPackages) { 3187 return PackageParser.generatePermissionGroupInfo( 3188 mPermissionGroups.get(name), flags); 3189 } 3190 } 3191 3192 @Override 3193 public @NonNull ParceledListSlice<PermissionGroupInfo> getAllPermissionGroups(int flags) { 3194 // reader 3195 synchronized (mPackages) { 3196 final int N = mPermissionGroups.size(); 3197 ArrayList<PermissionGroupInfo> out 3198 = new ArrayList<PermissionGroupInfo>(N); 3199 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 3200 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 3201 } 3202 return new ParceledListSlice<>(out); 3203 } 3204 } 3205 3206 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 3207 int userId) { 3208 if (!sUserManager.exists(userId)) return null; 3209 PackageSetting ps = mSettings.mPackages.get(packageName); 3210 if (ps != null) { 3211 if (ps.pkg == null) { 3212 final PackageInfo pInfo = generatePackageInfo(ps, flags, userId); 3213 if (pInfo != null) { 3214 return pInfo.applicationInfo; 3215 } 3216 return null; 3217 } 3218 return PackageParser.generateApplicationInfo(ps.pkg, flags, 3219 ps.readUserState(userId), userId); 3220 } 3221 return null; 3222 } 3223 3224 @Override 3225 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 3226 if (!sUserManager.exists(userId)) return null; 3227 flags = updateFlagsForApplication(flags, userId, packageName); 3228 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3229 false /* requireFullPermission */, false /* checkShell */, "get application info"); 3230 // writer 3231 synchronized (mPackages) { 3232 PackageParser.Package p = mPackages.get(packageName); 3233 if (DEBUG_PACKAGE_INFO) Log.v( 3234 TAG, "getApplicationInfo " + packageName 3235 + ": " + p); 3236 if (p != null) { 3237 PackageSetting ps = mSettings.mPackages.get(packageName); 3238 if (ps == null) return null; 3239 // Note: isEnabledLP() does not apply here - always return info 3240 return PackageParser.generateApplicationInfo( 3241 p, flags, ps.readUserState(userId), userId); 3242 } 3243 if ("android".equals(packageName)||"system".equals(packageName)) { 3244 return mAndroidApplication; 3245 } 3246 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3247 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 3248 } 3249 } 3250 return null; 3251 } 3252 3253 @Override 3254 public void freeStorageAndNotify(final String volumeUuid, final long freeStorageSize, 3255 final IPackageDataObserver observer) { 3256 mContext.enforceCallingOrSelfPermission( 3257 android.Manifest.permission.CLEAR_APP_CACHE, null); 3258 // Queue up an async operation since clearing cache may take a little while. 3259 mHandler.post(new Runnable() { 3260 public void run() { 3261 mHandler.removeCallbacks(this); 3262 boolean success = true; 3263 synchronized (mInstallLock) { 3264 try { 3265 mInstaller.freeCache(volumeUuid, freeStorageSize); 3266 } catch (InstallerException e) { 3267 Slog.w(TAG, "Couldn't clear application caches: " + e); 3268 success = false; 3269 } 3270 } 3271 if (observer != null) { 3272 try { 3273 observer.onRemoveCompleted(null, success); 3274 } catch (RemoteException e) { 3275 Slog.w(TAG, "RemoveException when invoking call back"); 3276 } 3277 } 3278 } 3279 }); 3280 } 3281 3282 @Override 3283 public void freeStorage(final String volumeUuid, final long freeStorageSize, 3284 final IntentSender pi) { 3285 mContext.enforceCallingOrSelfPermission( 3286 android.Manifest.permission.CLEAR_APP_CACHE, null); 3287 // Queue up an async operation since clearing cache may take a little while. 3288 mHandler.post(new Runnable() { 3289 public void run() { 3290 mHandler.removeCallbacks(this); 3291 boolean success = true; 3292 synchronized (mInstallLock) { 3293 try { 3294 mInstaller.freeCache(volumeUuid, freeStorageSize); 3295 } catch (InstallerException e) { 3296 Slog.w(TAG, "Couldn't clear application caches: " + e); 3297 success = false; 3298 } 3299 } 3300 if(pi != null) { 3301 try { 3302 // Callback via pending intent 3303 int code = success ? 1 : 0; 3304 pi.sendIntent(null, code, null, 3305 null, null); 3306 } catch (SendIntentException e1) { 3307 Slog.i(TAG, "Failed to send pending intent"); 3308 } 3309 } 3310 } 3311 }); 3312 } 3313 3314 void freeStorage(String volumeUuid, long freeStorageSize) throws IOException { 3315 synchronized (mInstallLock) { 3316 try { 3317 mInstaller.freeCache(volumeUuid, freeStorageSize); 3318 } catch (InstallerException e) { 3319 throw new IOException("Failed to free enough space", e); 3320 } 3321 } 3322 } 3323 3324 /** 3325 * Return if the user key is currently unlocked. 3326 */ 3327 private boolean isUserKeyUnlocked(int userId) { 3328 if (StorageManager.isFileEncryptedNativeOrEmulated()) { 3329 final IMountService mount = IMountService.Stub 3330 .asInterface(ServiceManager.getService("mount")); 3331 if (mount == null) { 3332 Slog.w(TAG, "Early during boot, assuming locked"); 3333 return false; 3334 } 3335 final long token = Binder.clearCallingIdentity(); 3336 try { 3337 return mount.isUserKeyUnlocked(userId); 3338 } catch (RemoteException e) { 3339 throw e.rethrowAsRuntimeException(); 3340 } finally { 3341 Binder.restoreCallingIdentity(token); 3342 } 3343 } else { 3344 return true; 3345 } 3346 } 3347 3348 /** 3349 * Update given flags based on encryption status of current user. 3350 */ 3351 private int updateFlags(int flags, int userId) { 3352 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3353 | PackageManager.MATCH_DIRECT_BOOT_AWARE)) != 0) { 3354 // Caller expressed an explicit opinion about what encryption 3355 // aware/unaware components they want to see, so fall through and 3356 // give them what they want 3357 } else { 3358 // Caller expressed no opinion, so match based on user state 3359 if (isUserKeyUnlocked(userId)) { 3360 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE; 3361 } else { 3362 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE; 3363 } 3364 } 3365 return flags; 3366 } 3367 3368 /** 3369 * Update given flags when being used to request {@link PackageInfo}. 3370 */ 3371 private int updateFlagsForPackage(int flags, int userId, Object cookie) { 3372 boolean triaged = true; 3373 if ((flags & (PackageManager.GET_ACTIVITIES | PackageManager.GET_RECEIVERS 3374 | PackageManager.GET_SERVICES | PackageManager.GET_PROVIDERS)) != 0) { 3375 // Caller is asking for component details, so they'd better be 3376 // asking for specific encryption matching behavior, or be triaged 3377 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3378 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3379 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3380 triaged = false; 3381 } 3382 } 3383 if ((flags & (PackageManager.MATCH_UNINSTALLED_PACKAGES 3384 | PackageManager.MATCH_SYSTEM_ONLY 3385 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3386 triaged = false; 3387 } 3388 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3389 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3390 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3391 } 3392 return updateFlags(flags, userId); 3393 } 3394 3395 /** 3396 * Update given flags when being used to request {@link ApplicationInfo}. 3397 */ 3398 private int updateFlagsForApplication(int flags, int userId, Object cookie) { 3399 return updateFlagsForPackage(flags, userId, cookie); 3400 } 3401 3402 /** 3403 * Update given flags when being used to request {@link ComponentInfo}. 3404 */ 3405 private int updateFlagsForComponent(int flags, int userId, Object cookie) { 3406 if (cookie instanceof Intent) { 3407 if ((((Intent) cookie).getFlags() & Intent.FLAG_DEBUG_TRIAGED_MISSING) != 0) { 3408 flags |= PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 3409 } 3410 } 3411 3412 boolean triaged = true; 3413 // Caller is asking for component details, so they'd better be 3414 // asking for specific encryption matching behavior, or be triaged 3415 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3416 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3417 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3418 triaged = false; 3419 } 3420 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3421 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3422 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3423 } 3424 3425 return updateFlags(flags, userId); 3426 } 3427 3428 /** 3429 * Update given flags when being used to request {@link ResolveInfo}. 3430 */ 3431 int updateFlagsForResolve(int flags, int userId, Object cookie) { 3432 // Safe mode means we shouldn't match any third-party components 3433 if (mSafeMode) { 3434 flags |= PackageManager.MATCH_SYSTEM_ONLY; 3435 } 3436 3437 return updateFlagsForComponent(flags, userId, cookie); 3438 } 3439 3440 @Override 3441 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 3442 if (!sUserManager.exists(userId)) return null; 3443 flags = updateFlagsForComponent(flags, userId, component); 3444 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3445 false /* requireFullPermission */, false /* checkShell */, "get activity info"); 3446 synchronized (mPackages) { 3447 PackageParser.Activity a = mActivities.mActivities.get(component); 3448 3449 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 3450 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3451 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3452 if (ps == null) return null; 3453 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3454 userId); 3455 } 3456 if (mResolveComponentName.equals(component)) { 3457 return PackageParser.generateActivityInfo(mResolveActivity, flags, 3458 new PackageUserState(), userId); 3459 } 3460 } 3461 return null; 3462 } 3463 3464 @Override 3465 public boolean activitySupportsIntent(ComponentName component, Intent intent, 3466 String resolvedType) { 3467 synchronized (mPackages) { 3468 if (component.equals(mResolveComponentName)) { 3469 // The resolver supports EVERYTHING! 3470 return true; 3471 } 3472 PackageParser.Activity a = mActivities.mActivities.get(component); 3473 if (a == null) { 3474 return false; 3475 } 3476 for (int i=0; i<a.intents.size(); i++) { 3477 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 3478 intent.getData(), intent.getCategories(), TAG) >= 0) { 3479 return true; 3480 } 3481 } 3482 return false; 3483 } 3484 } 3485 3486 @Override 3487 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 3488 if (!sUserManager.exists(userId)) return null; 3489 flags = updateFlagsForComponent(flags, userId, component); 3490 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3491 false /* requireFullPermission */, false /* checkShell */, "get receiver info"); 3492 synchronized (mPackages) { 3493 PackageParser.Activity a = mReceivers.mActivities.get(component); 3494 if (DEBUG_PACKAGE_INFO) Log.v( 3495 TAG, "getReceiverInfo " + component + ": " + a); 3496 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3497 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3498 if (ps == null) return null; 3499 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3500 userId); 3501 } 3502 } 3503 return null; 3504 } 3505 3506 @Override 3507 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 3508 if (!sUserManager.exists(userId)) return null; 3509 flags = updateFlagsForComponent(flags, userId, component); 3510 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3511 false /* requireFullPermission */, false /* checkShell */, "get service info"); 3512 synchronized (mPackages) { 3513 PackageParser.Service s = mServices.mServices.get(component); 3514 if (DEBUG_PACKAGE_INFO) Log.v( 3515 TAG, "getServiceInfo " + component + ": " + s); 3516 if (s != null && mSettings.isEnabledAndMatchLPr(s.info, flags, userId)) { 3517 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3518 if (ps == null) return null; 3519 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 3520 userId); 3521 } 3522 } 3523 return null; 3524 } 3525 3526 @Override 3527 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 3528 if (!sUserManager.exists(userId)) return null; 3529 flags = updateFlagsForComponent(flags, userId, component); 3530 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3531 false /* requireFullPermission */, false /* checkShell */, "get provider info"); 3532 synchronized (mPackages) { 3533 PackageParser.Provider p = mProviders.mProviders.get(component); 3534 if (DEBUG_PACKAGE_INFO) Log.v( 3535 TAG, "getProviderInfo " + component + ": " + p); 3536 if (p != null && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 3537 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3538 if (ps == null) return null; 3539 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 3540 userId); 3541 } 3542 } 3543 return null; 3544 } 3545 3546 @Override 3547 public String[] getSystemSharedLibraryNames() { 3548 Set<String> libSet; 3549 synchronized (mPackages) { 3550 libSet = mSharedLibraries.keySet(); 3551 int size = libSet.size(); 3552 if (size > 0) { 3553 String[] libs = new String[size]; 3554 libSet.toArray(libs); 3555 return libs; 3556 } 3557 } 3558 return null; 3559 } 3560 3561 @Override 3562 public @Nullable String getServicesSystemSharedLibraryPackageName() { 3563 synchronized (mPackages) { 3564 SharedLibraryEntry libraryEntry = mSharedLibraries.get( 3565 PackageManager.SYSTEM_SHARED_LIBRARY_SERVICES); 3566 if (libraryEntry != null) { 3567 return libraryEntry.apk; 3568 } 3569 } 3570 return null; 3571 } 3572 3573 @Override 3574 public @NonNull ParceledListSlice<FeatureInfo> getSystemAvailableFeatures() { 3575 synchronized (mPackages) { 3576 final ArrayList<FeatureInfo> res = new ArrayList<>(mAvailableFeatures.values()); 3577 3578 final FeatureInfo fi = new FeatureInfo(); 3579 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 3580 FeatureInfo.GL_ES_VERSION_UNDEFINED); 3581 res.add(fi); 3582 3583 return new ParceledListSlice<>(res); 3584 } 3585 } 3586 3587 @Override 3588 public boolean hasSystemFeature(String name, int version) { 3589 synchronized (mPackages) { 3590 final FeatureInfo feat = mAvailableFeatures.get(name); 3591 if (feat == null) { 3592 return false; 3593 } else { 3594 return feat.version >= version; 3595 } 3596 } 3597 } 3598 3599 @Override 3600 public int checkPermission(String permName, String pkgName, int userId) { 3601 if (!sUserManager.exists(userId)) { 3602 return PackageManager.PERMISSION_DENIED; 3603 } 3604 3605 synchronized (mPackages) { 3606 final PackageParser.Package p = mPackages.get(pkgName); 3607 if (p != null && p.mExtras != null) { 3608 final PackageSetting ps = (PackageSetting) p.mExtras; 3609 final PermissionsState permissionsState = ps.getPermissionsState(); 3610 if (permissionsState.hasPermission(permName, userId)) { 3611 return PackageManager.PERMISSION_GRANTED; 3612 } 3613 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3614 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3615 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3616 return PackageManager.PERMISSION_GRANTED; 3617 } 3618 } 3619 } 3620 3621 return PackageManager.PERMISSION_DENIED; 3622 } 3623 3624 @Override 3625 public int checkUidPermission(String permName, int uid) { 3626 final int userId = UserHandle.getUserId(uid); 3627 3628 if (!sUserManager.exists(userId)) { 3629 return PackageManager.PERMISSION_DENIED; 3630 } 3631 3632 synchronized (mPackages) { 3633 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 3634 if (obj != null) { 3635 final SettingBase ps = (SettingBase) obj; 3636 final PermissionsState permissionsState = ps.getPermissionsState(); 3637 if (permissionsState.hasPermission(permName, userId)) { 3638 return PackageManager.PERMISSION_GRANTED; 3639 } 3640 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3641 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3642 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3643 return PackageManager.PERMISSION_GRANTED; 3644 } 3645 } else { 3646 ArraySet<String> perms = mSystemPermissions.get(uid); 3647 if (perms != null) { 3648 if (perms.contains(permName)) { 3649 return PackageManager.PERMISSION_GRANTED; 3650 } 3651 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && perms 3652 .contains(Manifest.permission.ACCESS_FINE_LOCATION)) { 3653 return PackageManager.PERMISSION_GRANTED; 3654 } 3655 } 3656 } 3657 } 3658 3659 return PackageManager.PERMISSION_DENIED; 3660 } 3661 3662 @Override 3663 public boolean isPermissionRevokedByPolicy(String permission, String packageName, int userId) { 3664 if (UserHandle.getCallingUserId() != userId) { 3665 mContext.enforceCallingPermission( 3666 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 3667 "isPermissionRevokedByPolicy for user " + userId); 3668 } 3669 3670 if (checkPermission(permission, packageName, userId) 3671 == PackageManager.PERMISSION_GRANTED) { 3672 return false; 3673 } 3674 3675 final long identity = Binder.clearCallingIdentity(); 3676 try { 3677 final int flags = getPermissionFlags(permission, packageName, userId); 3678 return (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0; 3679 } finally { 3680 Binder.restoreCallingIdentity(identity); 3681 } 3682 } 3683 3684 @Override 3685 public String getPermissionControllerPackageName() { 3686 synchronized (mPackages) { 3687 return mRequiredInstallerPackage; 3688 } 3689 } 3690 3691 /** 3692 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 3693 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 3694 * @param checkShell whether to prevent shell from access if there's a debugging restriction 3695 * @param message the message to log on security exception 3696 */ 3697 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 3698 boolean checkShell, String message) { 3699 if (userId < 0) { 3700 throw new IllegalArgumentException("Invalid userId " + userId); 3701 } 3702 if (checkShell) { 3703 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, userId); 3704 } 3705 if (userId == UserHandle.getUserId(callingUid)) return; 3706 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 3707 if (requireFullPermission) { 3708 mContext.enforceCallingOrSelfPermission( 3709 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3710 } else { 3711 try { 3712 mContext.enforceCallingOrSelfPermission( 3713 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3714 } catch (SecurityException se) { 3715 mContext.enforceCallingOrSelfPermission( 3716 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 3717 } 3718 } 3719 } 3720 } 3721 3722 void enforceShellRestriction(String restriction, int callingUid, int userHandle) { 3723 if (callingUid == Process.SHELL_UID) { 3724 if (userHandle >= 0 3725 && sUserManager.hasUserRestriction(restriction, userHandle)) { 3726 throw new SecurityException("Shell does not have permission to access user " 3727 + userHandle); 3728 } else if (userHandle < 0) { 3729 Slog.e(TAG, "Unable to check shell permission for user " + userHandle + "\n\t" 3730 + Debug.getCallers(3)); 3731 } 3732 } 3733 } 3734 3735 private BasePermission findPermissionTreeLP(String permName) { 3736 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 3737 if (permName.startsWith(bp.name) && 3738 permName.length() > bp.name.length() && 3739 permName.charAt(bp.name.length()) == '.') { 3740 return bp; 3741 } 3742 } 3743 return null; 3744 } 3745 3746 private BasePermission checkPermissionTreeLP(String permName) { 3747 if (permName != null) { 3748 BasePermission bp = findPermissionTreeLP(permName); 3749 if (bp != null) { 3750 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 3751 return bp; 3752 } 3753 throw new SecurityException("Calling uid " 3754 + Binder.getCallingUid() 3755 + " is not allowed to add to permission tree " 3756 + bp.name + " owned by uid " + bp.uid); 3757 } 3758 } 3759 throw new SecurityException("No permission tree found for " + permName); 3760 } 3761 3762 static boolean compareStrings(CharSequence s1, CharSequence s2) { 3763 if (s1 == null) { 3764 return s2 == null; 3765 } 3766 if (s2 == null) { 3767 return false; 3768 } 3769 if (s1.getClass() != s2.getClass()) { 3770 return false; 3771 } 3772 return s1.equals(s2); 3773 } 3774 3775 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 3776 if (pi1.icon != pi2.icon) return false; 3777 if (pi1.logo != pi2.logo) return false; 3778 if (pi1.protectionLevel != pi2.protectionLevel) return false; 3779 if (!compareStrings(pi1.name, pi2.name)) return false; 3780 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 3781 // We'll take care of setting this one. 3782 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 3783 // These are not currently stored in settings. 3784 //if (!compareStrings(pi1.group, pi2.group)) return false; 3785 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 3786 //if (pi1.labelRes != pi2.labelRes) return false; 3787 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 3788 return true; 3789 } 3790 3791 int permissionInfoFootprint(PermissionInfo info) { 3792 int size = info.name.length(); 3793 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 3794 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 3795 return size; 3796 } 3797 3798 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 3799 int size = 0; 3800 for (BasePermission perm : mSettings.mPermissions.values()) { 3801 if (perm.uid == tree.uid) { 3802 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 3803 } 3804 } 3805 return size; 3806 } 3807 3808 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 3809 // We calculate the max size of permissions defined by this uid and throw 3810 // if that plus the size of 'info' would exceed our stated maximum. 3811 if (tree.uid != Process.SYSTEM_UID) { 3812 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 3813 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 3814 throw new SecurityException("Permission tree size cap exceeded"); 3815 } 3816 } 3817 } 3818 3819 boolean addPermissionLocked(PermissionInfo info, boolean async) { 3820 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 3821 throw new SecurityException("Label must be specified in permission"); 3822 } 3823 BasePermission tree = checkPermissionTreeLP(info.name); 3824 BasePermission bp = mSettings.mPermissions.get(info.name); 3825 boolean added = bp == null; 3826 boolean changed = true; 3827 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 3828 if (added) { 3829 enforcePermissionCapLocked(info, tree); 3830 bp = new BasePermission(info.name, tree.sourcePackage, 3831 BasePermission.TYPE_DYNAMIC); 3832 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 3833 throw new SecurityException( 3834 "Not allowed to modify non-dynamic permission " 3835 + info.name); 3836 } else { 3837 if (bp.protectionLevel == fixedLevel 3838 && bp.perm.owner.equals(tree.perm.owner) 3839 && bp.uid == tree.uid 3840 && comparePermissionInfos(bp.perm.info, info)) { 3841 changed = false; 3842 } 3843 } 3844 bp.protectionLevel = fixedLevel; 3845 info = new PermissionInfo(info); 3846 info.protectionLevel = fixedLevel; 3847 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 3848 bp.perm.info.packageName = tree.perm.info.packageName; 3849 bp.uid = tree.uid; 3850 if (added) { 3851 mSettings.mPermissions.put(info.name, bp); 3852 } 3853 if (changed) { 3854 if (!async) { 3855 mSettings.writeLPr(); 3856 } else { 3857 scheduleWriteSettingsLocked(); 3858 } 3859 } 3860 return added; 3861 } 3862 3863 @Override 3864 public boolean addPermission(PermissionInfo info) { 3865 synchronized (mPackages) { 3866 return addPermissionLocked(info, false); 3867 } 3868 } 3869 3870 @Override 3871 public boolean addPermissionAsync(PermissionInfo info) { 3872 synchronized (mPackages) { 3873 return addPermissionLocked(info, true); 3874 } 3875 } 3876 3877 @Override 3878 public void removePermission(String name) { 3879 synchronized (mPackages) { 3880 checkPermissionTreeLP(name); 3881 BasePermission bp = mSettings.mPermissions.get(name); 3882 if (bp != null) { 3883 if (bp.type != BasePermission.TYPE_DYNAMIC) { 3884 throw new SecurityException( 3885 "Not allowed to modify non-dynamic permission " 3886 + name); 3887 } 3888 mSettings.mPermissions.remove(name); 3889 mSettings.writeLPr(); 3890 } 3891 } 3892 } 3893 3894 private static void enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(PackageParser.Package pkg, 3895 BasePermission bp) { 3896 int index = pkg.requestedPermissions.indexOf(bp.name); 3897 if (index == -1) { 3898 throw new SecurityException("Package " + pkg.packageName 3899 + " has not requested permission " + bp.name); 3900 } 3901 if (!bp.isRuntime() && !bp.isDevelopment()) { 3902 throw new SecurityException("Permission " + bp.name 3903 + " is not a changeable permission type"); 3904 } 3905 } 3906 3907 @Override 3908 public void grantRuntimePermission(String packageName, String name, final int userId) { 3909 if (!sUserManager.exists(userId)) { 3910 Log.e(TAG, "No such user:" + userId); 3911 return; 3912 } 3913 3914 mContext.enforceCallingOrSelfPermission( 3915 android.Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 3916 "grantRuntimePermission"); 3917 3918 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3919 true /* requireFullPermission */, true /* checkShell */, 3920 "grantRuntimePermission"); 3921 3922 final int uid; 3923 final SettingBase sb; 3924 3925 synchronized (mPackages) { 3926 final PackageParser.Package pkg = mPackages.get(packageName); 3927 if (pkg == null) { 3928 throw new IllegalArgumentException("Unknown package: " + packageName); 3929 } 3930 3931 final BasePermission bp = mSettings.mPermissions.get(name); 3932 if (bp == null) { 3933 throw new IllegalArgumentException("Unknown permission: " + name); 3934 } 3935 3936 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 3937 3938 // If a permission review is required for legacy apps we represent 3939 // their permissions as always granted runtime ones since we need 3940 // to keep the review required permission flag per user while an 3941 // install permission's state is shared across all users. 3942 if (Build.PERMISSIONS_REVIEW_REQUIRED 3943 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 3944 && bp.isRuntime()) { 3945 return; 3946 } 3947 3948 uid = UserHandle.getUid(userId, pkg.applicationInfo.uid); 3949 sb = (SettingBase) pkg.mExtras; 3950 if (sb == null) { 3951 throw new IllegalArgumentException("Unknown package: " + packageName); 3952 } 3953 3954 final PermissionsState permissionsState = sb.getPermissionsState(); 3955 3956 final int flags = permissionsState.getPermissionFlags(name, userId); 3957 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 3958 throw new SecurityException("Cannot grant system fixed permission " 3959 + name + " for package " + packageName); 3960 } 3961 3962 if (bp.isDevelopment()) { 3963 // Development permissions must be handled specially, since they are not 3964 // normal runtime permissions. For now they apply to all users. 3965 if (permissionsState.grantInstallPermission(bp) != 3966 PermissionsState.PERMISSION_OPERATION_FAILURE) { 3967 scheduleWriteSettingsLocked(); 3968 } 3969 return; 3970 } 3971 3972 if (pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 3973 Slog.w(TAG, "Cannot grant runtime permission to a legacy app"); 3974 return; 3975 } 3976 3977 final int result = permissionsState.grantRuntimePermission(bp, userId); 3978 switch (result) { 3979 case PermissionsState.PERMISSION_OPERATION_FAILURE: { 3980 return; 3981 } 3982 3983 case PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 3984 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 3985 mHandler.post(new Runnable() { 3986 @Override 3987 public void run() { 3988 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 3989 } 3990 }); 3991 } 3992 break; 3993 } 3994 3995 mOnPermissionChangeListeners.onPermissionsChanged(uid); 3996 3997 // Not critical if that is lost - app has to request again. 3998 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 3999 } 4000 4001 // Only need to do this if user is initialized. Otherwise it's a new user 4002 // and there are no processes running as the user yet and there's no need 4003 // to make an expensive call to remount processes for the changed permissions. 4004 if (READ_EXTERNAL_STORAGE.equals(name) 4005 || WRITE_EXTERNAL_STORAGE.equals(name)) { 4006 final long token = Binder.clearCallingIdentity(); 4007 try { 4008 if (sUserManager.isInitialized(userId)) { 4009 MountServiceInternal mountServiceInternal = LocalServices.getService( 4010 MountServiceInternal.class); 4011 mountServiceInternal.onExternalStoragePolicyChanged(uid, packageName); 4012 } 4013 } finally { 4014 Binder.restoreCallingIdentity(token); 4015 } 4016 } 4017 } 4018 4019 @Override 4020 public void revokeRuntimePermission(String packageName, String name, int userId) { 4021 if (!sUserManager.exists(userId)) { 4022 Log.e(TAG, "No such user:" + userId); 4023 return; 4024 } 4025 4026 mContext.enforceCallingOrSelfPermission( 4027 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4028 "revokeRuntimePermission"); 4029 4030 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4031 true /* requireFullPermission */, true /* checkShell */, 4032 "revokeRuntimePermission"); 4033 4034 final int appId; 4035 4036 synchronized (mPackages) { 4037 final PackageParser.Package pkg = mPackages.get(packageName); 4038 if (pkg == null) { 4039 throw new IllegalArgumentException("Unknown package: " + packageName); 4040 } 4041 4042 final BasePermission bp = mSettings.mPermissions.get(name); 4043 if (bp == null) { 4044 throw new IllegalArgumentException("Unknown permission: " + name); 4045 } 4046 4047 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 4048 4049 // If a permission review is required for legacy apps we represent 4050 // their permissions as always granted runtime ones since we need 4051 // to keep the review required permission flag per user while an 4052 // install permission's state is shared across all users. 4053 if (Build.PERMISSIONS_REVIEW_REQUIRED 4054 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 4055 && bp.isRuntime()) { 4056 return; 4057 } 4058 4059 SettingBase sb = (SettingBase) pkg.mExtras; 4060 if (sb == null) { 4061 throw new IllegalArgumentException("Unknown package: " + packageName); 4062 } 4063 4064 final PermissionsState permissionsState = sb.getPermissionsState(); 4065 4066 final int flags = permissionsState.getPermissionFlags(name, userId); 4067 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4068 throw new SecurityException("Cannot revoke system fixed permission " 4069 + name + " for package " + packageName); 4070 } 4071 4072 if (bp.isDevelopment()) { 4073 // Development permissions must be handled specially, since they are not 4074 // normal runtime permissions. For now they apply to all users. 4075 if (permissionsState.revokeInstallPermission(bp) != 4076 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4077 scheduleWriteSettingsLocked(); 4078 } 4079 return; 4080 } 4081 4082 if (permissionsState.revokeRuntimePermission(bp, userId) == 4083 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4084 return; 4085 } 4086 4087 mOnPermissionChangeListeners.onPermissionsChanged(pkg.applicationInfo.uid); 4088 4089 // Critical, after this call app should never have the permission. 4090 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 4091 4092 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4093 } 4094 4095 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 4096 } 4097 4098 @Override 4099 public void resetRuntimePermissions() { 4100 mContext.enforceCallingOrSelfPermission( 4101 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4102 "revokeRuntimePermission"); 4103 4104 int callingUid = Binder.getCallingUid(); 4105 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 4106 mContext.enforceCallingOrSelfPermission( 4107 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4108 "resetRuntimePermissions"); 4109 } 4110 4111 synchronized (mPackages) { 4112 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL); 4113 for (int userId : UserManagerService.getInstance().getUserIds()) { 4114 final int packageCount = mPackages.size(); 4115 for (int i = 0; i < packageCount; i++) { 4116 PackageParser.Package pkg = mPackages.valueAt(i); 4117 if (!(pkg.mExtras instanceof PackageSetting)) { 4118 continue; 4119 } 4120 PackageSetting ps = (PackageSetting) pkg.mExtras; 4121 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 4122 } 4123 } 4124 } 4125 } 4126 4127 @Override 4128 public int getPermissionFlags(String name, String packageName, int userId) { 4129 if (!sUserManager.exists(userId)) { 4130 return 0; 4131 } 4132 4133 enforceGrantRevokeRuntimePermissionPermissions("getPermissionFlags"); 4134 4135 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4136 true /* requireFullPermission */, false /* checkShell */, 4137 "getPermissionFlags"); 4138 4139 synchronized (mPackages) { 4140 final PackageParser.Package pkg = mPackages.get(packageName); 4141 if (pkg == null) { 4142 throw new IllegalArgumentException("Unknown package: " + packageName); 4143 } 4144 4145 final BasePermission bp = mSettings.mPermissions.get(name); 4146 if (bp == null) { 4147 throw new IllegalArgumentException("Unknown permission: " + name); 4148 } 4149 4150 SettingBase sb = (SettingBase) pkg.mExtras; 4151 if (sb == null) { 4152 throw new IllegalArgumentException("Unknown package: " + packageName); 4153 } 4154 4155 PermissionsState permissionsState = sb.getPermissionsState(); 4156 return permissionsState.getPermissionFlags(name, userId); 4157 } 4158 } 4159 4160 @Override 4161 public void updatePermissionFlags(String name, String packageName, int flagMask, 4162 int flagValues, int userId) { 4163 if (!sUserManager.exists(userId)) { 4164 return; 4165 } 4166 4167 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlags"); 4168 4169 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4170 true /* requireFullPermission */, true /* checkShell */, 4171 "updatePermissionFlags"); 4172 4173 // Only the system can change these flags and nothing else. 4174 if (getCallingUid() != Process.SYSTEM_UID) { 4175 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4176 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4177 flagMask &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4178 flagValues &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4179 flagValues &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 4180 } 4181 4182 synchronized (mPackages) { 4183 final PackageParser.Package pkg = mPackages.get(packageName); 4184 if (pkg == null) { 4185 throw new IllegalArgumentException("Unknown package: " + packageName); 4186 } 4187 4188 final BasePermission bp = mSettings.mPermissions.get(name); 4189 if (bp == null) { 4190 throw new IllegalArgumentException("Unknown permission: " + name); 4191 } 4192 4193 SettingBase sb = (SettingBase) pkg.mExtras; 4194 if (sb == null) { 4195 throw new IllegalArgumentException("Unknown package: " + packageName); 4196 } 4197 4198 PermissionsState permissionsState = sb.getPermissionsState(); 4199 4200 boolean hadState = permissionsState.getRuntimePermissionState(name, userId) != null; 4201 4202 if (permissionsState.updatePermissionFlags(bp, userId, flagMask, flagValues)) { 4203 // Install and runtime permissions are stored in different places, 4204 // so figure out what permission changed and persist the change. 4205 if (permissionsState.getInstallPermissionState(name) != null) { 4206 scheduleWriteSettingsLocked(); 4207 } else if (permissionsState.getRuntimePermissionState(name, userId) != null 4208 || hadState) { 4209 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4210 } 4211 } 4212 } 4213 } 4214 4215 /** 4216 * Update the permission flags for all packages and runtime permissions of a user in order 4217 * to allow device or profile owner to remove POLICY_FIXED. 4218 */ 4219 @Override 4220 public void updatePermissionFlagsForAllApps(int flagMask, int flagValues, int userId) { 4221 if (!sUserManager.exists(userId)) { 4222 return; 4223 } 4224 4225 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlagsForAllApps"); 4226 4227 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4228 true /* requireFullPermission */, true /* checkShell */, 4229 "updatePermissionFlagsForAllApps"); 4230 4231 // Only the system can change system fixed flags. 4232 if (getCallingUid() != Process.SYSTEM_UID) { 4233 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4234 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4235 } 4236 4237 synchronized (mPackages) { 4238 boolean changed = false; 4239 final int packageCount = mPackages.size(); 4240 for (int pkgIndex = 0; pkgIndex < packageCount; pkgIndex++) { 4241 final PackageParser.Package pkg = mPackages.valueAt(pkgIndex); 4242 SettingBase sb = (SettingBase) pkg.mExtras; 4243 if (sb == null) { 4244 continue; 4245 } 4246 PermissionsState permissionsState = sb.getPermissionsState(); 4247 changed |= permissionsState.updatePermissionFlagsForAllPermissions( 4248 userId, flagMask, flagValues); 4249 } 4250 if (changed) { 4251 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4252 } 4253 } 4254 } 4255 4256 private void enforceGrantRevokeRuntimePermissionPermissions(String message) { 4257 if (mContext.checkCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS) 4258 != PackageManager.PERMISSION_GRANTED 4259 && mContext.checkCallingOrSelfPermission(Manifest.permission.REVOKE_RUNTIME_PERMISSIONS) 4260 != PackageManager.PERMISSION_GRANTED) { 4261 throw new SecurityException(message + " requires " 4262 + Manifest.permission.GRANT_RUNTIME_PERMISSIONS + " or " 4263 + Manifest.permission.REVOKE_RUNTIME_PERMISSIONS); 4264 } 4265 } 4266 4267 @Override 4268 public boolean shouldShowRequestPermissionRationale(String permissionName, 4269 String packageName, int userId) { 4270 if (UserHandle.getCallingUserId() != userId) { 4271 mContext.enforceCallingPermission( 4272 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4273 "canShowRequestPermissionRationale for user " + userId); 4274 } 4275 4276 final int uid = getPackageUid(packageName, MATCH_DEBUG_TRIAGED_MISSING, userId); 4277 if (UserHandle.getAppId(getCallingUid()) != UserHandle.getAppId(uid)) { 4278 return false; 4279 } 4280 4281 if (checkPermission(permissionName, packageName, userId) 4282 == PackageManager.PERMISSION_GRANTED) { 4283 return false; 4284 } 4285 4286 final int flags; 4287 4288 final long identity = Binder.clearCallingIdentity(); 4289 try { 4290 flags = getPermissionFlags(permissionName, 4291 packageName, userId); 4292 } finally { 4293 Binder.restoreCallingIdentity(identity); 4294 } 4295 4296 final int fixedFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 4297 | PackageManager.FLAG_PERMISSION_POLICY_FIXED 4298 | PackageManager.FLAG_PERMISSION_USER_FIXED; 4299 4300 if ((flags & fixedFlags) != 0) { 4301 return false; 4302 } 4303 4304 return (flags & PackageManager.FLAG_PERMISSION_USER_SET) != 0; 4305 } 4306 4307 @Override 4308 public void addOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4309 mContext.enforceCallingOrSelfPermission( 4310 Manifest.permission.OBSERVE_GRANT_REVOKE_PERMISSIONS, 4311 "addOnPermissionsChangeListener"); 4312 4313 synchronized (mPackages) { 4314 mOnPermissionChangeListeners.addListenerLocked(listener); 4315 } 4316 } 4317 4318 @Override 4319 public void removeOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4320 synchronized (mPackages) { 4321 mOnPermissionChangeListeners.removeListenerLocked(listener); 4322 } 4323 } 4324 4325 @Override 4326 public boolean isProtectedBroadcast(String actionName) { 4327 synchronized (mPackages) { 4328 if (mProtectedBroadcasts.contains(actionName)) { 4329 return true; 4330 } else if (actionName != null) { 4331 // TODO: remove these terrible hacks 4332 if (actionName.startsWith("android.net.netmon.lingerExpired") 4333 || actionName.startsWith("com.android.server.sip.SipWakeupTimer") 4334 || actionName.startsWith("com.android.internal.telephony.data-reconnect") 4335 || actionName.startsWith("android.net.netmon.launchCaptivePortalApp")) { 4336 return true; 4337 } 4338 } 4339 } 4340 return false; 4341 } 4342 4343 @Override 4344 public int checkSignatures(String pkg1, String pkg2) { 4345 synchronized (mPackages) { 4346 final PackageParser.Package p1 = mPackages.get(pkg1); 4347 final PackageParser.Package p2 = mPackages.get(pkg2); 4348 if (p1 == null || p1.mExtras == null 4349 || p2 == null || p2.mExtras == null) { 4350 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4351 } 4352 return compareSignatures(p1.mSignatures, p2.mSignatures); 4353 } 4354 } 4355 4356 @Override 4357 public int checkUidSignatures(int uid1, int uid2) { 4358 // Map to base uids. 4359 uid1 = UserHandle.getAppId(uid1); 4360 uid2 = UserHandle.getAppId(uid2); 4361 // reader 4362 synchronized (mPackages) { 4363 Signature[] s1; 4364 Signature[] s2; 4365 Object obj = mSettings.getUserIdLPr(uid1); 4366 if (obj != null) { 4367 if (obj instanceof SharedUserSetting) { 4368 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 4369 } else if (obj instanceof PackageSetting) { 4370 s1 = ((PackageSetting)obj).signatures.mSignatures; 4371 } else { 4372 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4373 } 4374 } else { 4375 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4376 } 4377 obj = mSettings.getUserIdLPr(uid2); 4378 if (obj != null) { 4379 if (obj instanceof SharedUserSetting) { 4380 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 4381 } else if (obj instanceof PackageSetting) { 4382 s2 = ((PackageSetting)obj).signatures.mSignatures; 4383 } else { 4384 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4385 } 4386 } else { 4387 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4388 } 4389 return compareSignatures(s1, s2); 4390 } 4391 } 4392 4393 private void killUid(int appId, int userId, String reason) { 4394 final long identity = Binder.clearCallingIdentity(); 4395 try { 4396 IActivityManager am = ActivityManagerNative.getDefault(); 4397 if (am != null) { 4398 try { 4399 am.killUid(appId, userId, reason); 4400 } catch (RemoteException e) { 4401 /* ignore - same process */ 4402 } 4403 } 4404 } finally { 4405 Binder.restoreCallingIdentity(identity); 4406 } 4407 } 4408 4409 /** 4410 * Compares two sets of signatures. Returns: 4411 * <br /> 4412 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 4413 * <br /> 4414 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 4415 * <br /> 4416 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 4417 * <br /> 4418 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 4419 * <br /> 4420 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 4421 */ 4422 static int compareSignatures(Signature[] s1, Signature[] s2) { 4423 if (s1 == null) { 4424 return s2 == null 4425 ? PackageManager.SIGNATURE_NEITHER_SIGNED 4426 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 4427 } 4428 4429 if (s2 == null) { 4430 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 4431 } 4432 4433 if (s1.length != s2.length) { 4434 return PackageManager.SIGNATURE_NO_MATCH; 4435 } 4436 4437 // Since both signature sets are of size 1, we can compare without HashSets. 4438 if (s1.length == 1) { 4439 return s1[0].equals(s2[0]) ? 4440 PackageManager.SIGNATURE_MATCH : 4441 PackageManager.SIGNATURE_NO_MATCH; 4442 } 4443 4444 ArraySet<Signature> set1 = new ArraySet<Signature>(); 4445 for (Signature sig : s1) { 4446 set1.add(sig); 4447 } 4448 ArraySet<Signature> set2 = new ArraySet<Signature>(); 4449 for (Signature sig : s2) { 4450 set2.add(sig); 4451 } 4452 // Make sure s2 contains all signatures in s1. 4453 if (set1.equals(set2)) { 4454 return PackageManager.SIGNATURE_MATCH; 4455 } 4456 return PackageManager.SIGNATURE_NO_MATCH; 4457 } 4458 4459 /** 4460 * If the database version for this type of package (internal storage or 4461 * external storage) is less than the version where package signatures 4462 * were updated, return true. 4463 */ 4464 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4465 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4466 return ver.databaseVersion < DatabaseVersion.SIGNATURE_END_ENTITY; 4467 } 4468 4469 /** 4470 * Used for backward compatibility to make sure any packages with 4471 * certificate chains get upgraded to the new style. {@code existingSigs} 4472 * will be in the old format (since they were stored on disk from before the 4473 * system upgrade) and {@code scannedSigs} will be in the newer format. 4474 */ 4475 private int compareSignaturesCompat(PackageSignatures existingSigs, 4476 PackageParser.Package scannedPkg) { 4477 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 4478 return PackageManager.SIGNATURE_NO_MATCH; 4479 } 4480 4481 ArraySet<Signature> existingSet = new ArraySet<Signature>(); 4482 for (Signature sig : existingSigs.mSignatures) { 4483 existingSet.add(sig); 4484 } 4485 ArraySet<Signature> scannedCompatSet = new ArraySet<Signature>(); 4486 for (Signature sig : scannedPkg.mSignatures) { 4487 try { 4488 Signature[] chainSignatures = sig.getChainSignatures(); 4489 for (Signature chainSig : chainSignatures) { 4490 scannedCompatSet.add(chainSig); 4491 } 4492 } catch (CertificateEncodingException e) { 4493 scannedCompatSet.add(sig); 4494 } 4495 } 4496 /* 4497 * Make sure the expanded scanned set contains all signatures in the 4498 * existing one. 4499 */ 4500 if (scannedCompatSet.equals(existingSet)) { 4501 // Migrate the old signatures to the new scheme. 4502 existingSigs.assignSignatures(scannedPkg.mSignatures); 4503 // The new KeySets will be re-added later in the scanning process. 4504 synchronized (mPackages) { 4505 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName); 4506 } 4507 return PackageManager.SIGNATURE_MATCH; 4508 } 4509 return PackageManager.SIGNATURE_NO_MATCH; 4510 } 4511 4512 private boolean isRecoverSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4513 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4514 return ver.databaseVersion < DatabaseVersion.SIGNATURE_MALFORMED_RECOVER; 4515 } 4516 4517 private int compareSignaturesRecover(PackageSignatures existingSigs, 4518 PackageParser.Package scannedPkg) { 4519 if (!isRecoverSignatureUpdateNeeded(scannedPkg)) { 4520 return PackageManager.SIGNATURE_NO_MATCH; 4521 } 4522 4523 String msg = null; 4524 try { 4525 if (Signature.areEffectiveMatch(existingSigs.mSignatures, scannedPkg.mSignatures)) { 4526 logCriticalInfo(Log.INFO, "Recovered effectively matching certificates for " 4527 + scannedPkg.packageName); 4528 return PackageManager.SIGNATURE_MATCH; 4529 } 4530 } catch (CertificateException e) { 4531 msg = e.getMessage(); 4532 } 4533 4534 logCriticalInfo(Log.INFO, 4535 "Failed to recover certificates for " + scannedPkg.packageName + ": " + msg); 4536 return PackageManager.SIGNATURE_NO_MATCH; 4537 } 4538 4539 @Override 4540 public List<String> getAllPackages() { 4541 synchronized (mPackages) { 4542 return new ArrayList<String>(mPackages.keySet()); 4543 } 4544 } 4545 4546 @Override 4547 public String[] getPackagesForUid(int uid) { 4548 uid = UserHandle.getAppId(uid); 4549 // reader 4550 synchronized (mPackages) { 4551 Object obj = mSettings.getUserIdLPr(uid); 4552 if (obj instanceof SharedUserSetting) { 4553 final SharedUserSetting sus = (SharedUserSetting) obj; 4554 final int N = sus.packages.size(); 4555 final String[] res = new String[N]; 4556 final Iterator<PackageSetting> it = sus.packages.iterator(); 4557 int i = 0; 4558 while (it.hasNext()) { 4559 res[i++] = it.next().name; 4560 } 4561 return res; 4562 } else if (obj instanceof PackageSetting) { 4563 final PackageSetting ps = (PackageSetting) obj; 4564 return new String[] { ps.name }; 4565 } 4566 } 4567 return null; 4568 } 4569 4570 @Override 4571 public String getNameForUid(int uid) { 4572 // reader 4573 synchronized (mPackages) { 4574 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4575 if (obj instanceof SharedUserSetting) { 4576 final SharedUserSetting sus = (SharedUserSetting) obj; 4577 return sus.name + ":" + sus.userId; 4578 } else if (obj instanceof PackageSetting) { 4579 final PackageSetting ps = (PackageSetting) obj; 4580 return ps.name; 4581 } 4582 } 4583 return null; 4584 } 4585 4586 @Override 4587 public int getUidForSharedUser(String sharedUserName) { 4588 if(sharedUserName == null) { 4589 return -1; 4590 } 4591 // reader 4592 synchronized (mPackages) { 4593 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, 0, false); 4594 if (suid == null) { 4595 return -1; 4596 } 4597 return suid.userId; 4598 } 4599 } 4600 4601 @Override 4602 public int getFlagsForUid(int uid) { 4603 synchronized (mPackages) { 4604 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4605 if (obj instanceof SharedUserSetting) { 4606 final SharedUserSetting sus = (SharedUserSetting) obj; 4607 return sus.pkgFlags; 4608 } else if (obj instanceof PackageSetting) { 4609 final PackageSetting ps = (PackageSetting) obj; 4610 return ps.pkgFlags; 4611 } 4612 } 4613 return 0; 4614 } 4615 4616 @Override 4617 public int getPrivateFlagsForUid(int uid) { 4618 synchronized (mPackages) { 4619 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4620 if (obj instanceof SharedUserSetting) { 4621 final SharedUserSetting sus = (SharedUserSetting) obj; 4622 return sus.pkgPrivateFlags; 4623 } else if (obj instanceof PackageSetting) { 4624 final PackageSetting ps = (PackageSetting) obj; 4625 return ps.pkgPrivateFlags; 4626 } 4627 } 4628 return 0; 4629 } 4630 4631 @Override 4632 public boolean isUidPrivileged(int uid) { 4633 uid = UserHandle.getAppId(uid); 4634 // reader 4635 synchronized (mPackages) { 4636 Object obj = mSettings.getUserIdLPr(uid); 4637 if (obj instanceof SharedUserSetting) { 4638 final SharedUserSetting sus = (SharedUserSetting) obj; 4639 final Iterator<PackageSetting> it = sus.packages.iterator(); 4640 while (it.hasNext()) { 4641 if (it.next().isPrivileged()) { 4642 return true; 4643 } 4644 } 4645 } else if (obj instanceof PackageSetting) { 4646 final PackageSetting ps = (PackageSetting) obj; 4647 return ps.isPrivileged(); 4648 } 4649 } 4650 return false; 4651 } 4652 4653 @Override 4654 public String[] getAppOpPermissionPackages(String permissionName) { 4655 synchronized (mPackages) { 4656 ArraySet<String> pkgs = mAppOpPermissionPackages.get(permissionName); 4657 if (pkgs == null) { 4658 return null; 4659 } 4660 return pkgs.toArray(new String[pkgs.size()]); 4661 } 4662 } 4663 4664 @Override 4665 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 4666 int flags, int userId) { 4667 if (!sUserManager.exists(userId)) return null; 4668 flags = updateFlagsForResolve(flags, userId, intent); 4669 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4670 false /* requireFullPermission */, false /* checkShell */, "resolve intent"); 4671 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 4672 userId); 4673 final ResolveInfo bestChoice = 4674 chooseBestActivity(intent, resolvedType, flags, query, userId); 4675 4676 if (isEphemeralAllowed(intent, query, userId)) { 4677 final EphemeralResolveInfo ai = 4678 getEphemeralResolveInfo(intent, resolvedType, userId); 4679 if (ai != null) { 4680 if (DEBUG_EPHEMERAL) { 4681 Slog.v(TAG, "Returning an EphemeralResolveInfo"); 4682 } 4683 bestChoice.ephemeralInstaller = mEphemeralInstallerInfo; 4684 bestChoice.ephemeralResolveInfo = ai; 4685 } 4686 } 4687 return bestChoice; 4688 } 4689 4690 @Override 4691 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 4692 IntentFilter filter, int match, ComponentName activity) { 4693 final int userId = UserHandle.getCallingUserId(); 4694 if (DEBUG_PREFERRED) { 4695 Log.v(TAG, "setLastChosenActivity intent=" + intent 4696 + " resolvedType=" + resolvedType 4697 + " flags=" + flags 4698 + " filter=" + filter 4699 + " match=" + match 4700 + " activity=" + activity); 4701 filter.dump(new PrintStreamPrinter(System.out), " "); 4702 } 4703 intent.setComponent(null); 4704 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 4705 userId); 4706 // Find any earlier preferred or last chosen entries and nuke them 4707 findPreferredActivity(intent, resolvedType, 4708 flags, query, 0, false, true, false, userId); 4709 // Add the new activity as the last chosen for this filter 4710 addPreferredActivityInternal(filter, match, null, activity, false, userId, 4711 "Setting last chosen"); 4712 } 4713 4714 @Override 4715 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 4716 final int userId = UserHandle.getCallingUserId(); 4717 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 4718 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 4719 userId); 4720 return findPreferredActivity(intent, resolvedType, flags, query, 0, 4721 false, false, false, userId); 4722 } 4723 4724 4725 private boolean isEphemeralAllowed( 4726 Intent intent, List<ResolveInfo> resolvedActivites, int userId) { 4727 // Short circuit and return early if possible. 4728 if (DISABLE_EPHEMERAL_APPS) { 4729 return false; 4730 } 4731 final int callingUser = UserHandle.getCallingUserId(); 4732 if (callingUser != UserHandle.USER_SYSTEM) { 4733 return false; 4734 } 4735 if (mEphemeralResolverConnection == null) { 4736 return false; 4737 } 4738 if (intent.getComponent() != null) { 4739 return false; 4740 } 4741 if (intent.getPackage() != null) { 4742 return false; 4743 } 4744 final boolean isWebUri = hasWebURI(intent); 4745 if (!isWebUri) { 4746 return false; 4747 } 4748 // Deny ephemeral apps if the user chose _ALWAYS or _ALWAYS_ASK for intent resolution. 4749 synchronized (mPackages) { 4750 final int count = resolvedActivites.size(); 4751 for (int n = 0; n < count; n++) { 4752 ResolveInfo info = resolvedActivites.get(n); 4753 String packageName = info.activityInfo.packageName; 4754 PackageSetting ps = mSettings.mPackages.get(packageName); 4755 if (ps != null) { 4756 // Try to get the status from User settings first 4757 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 4758 int status = (int) (packedStatus >> 32); 4759 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS 4760 || status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 4761 if (DEBUG_EPHEMERAL) { 4762 Slog.v(TAG, "DENY ephemeral apps;" 4763 + " pkg: " + packageName + ", status: " + status); 4764 } 4765 return false; 4766 } 4767 } 4768 } 4769 } 4770 // We've exhausted all ways to deny ephemeral application; let the system look for them. 4771 return true; 4772 } 4773 4774 private EphemeralResolveInfo getEphemeralResolveInfo(Intent intent, String resolvedType, 4775 int userId) { 4776 MessageDigest digest = null; 4777 try { 4778 digest = MessageDigest.getInstance(EphemeralResolveInfo.SHA_ALGORITHM); 4779 } catch (NoSuchAlgorithmException e) { 4780 // If we can't create a digest, ignore ephemeral apps. 4781 return null; 4782 } 4783 4784 final byte[] hostBytes = intent.getData().getHost().getBytes(); 4785 final byte[] digestBytes = digest.digest(hostBytes); 4786 int shaPrefix = 4787 digestBytes[0] << 24 4788 | digestBytes[1] << 16 4789 | digestBytes[2] << 8 4790 | digestBytes[3] << 0; 4791 final List<EphemeralResolveInfo> ephemeralResolveInfoList = 4792 mEphemeralResolverConnection.getEphemeralResolveInfoList(shaPrefix); 4793 if (ephemeralResolveInfoList == null || ephemeralResolveInfoList.size() == 0) { 4794 // No hash prefix match; there are no ephemeral apps for this domain. 4795 return null; 4796 } 4797 for (int i = ephemeralResolveInfoList.size() - 1; i >= 0; --i) { 4798 EphemeralResolveInfo ephemeralApplication = ephemeralResolveInfoList.get(i); 4799 if (!Arrays.equals(digestBytes, ephemeralApplication.getDigestBytes())) { 4800 continue; 4801 } 4802 final List<IntentFilter> filters = ephemeralApplication.getFilters(); 4803 // No filters; this should never happen. 4804 if (filters.isEmpty()) { 4805 continue; 4806 } 4807 // We have a domain match; resolve the filters to see if anything matches. 4808 final EphemeralIntentResolver ephemeralResolver = new EphemeralIntentResolver(); 4809 for (int j = filters.size() - 1; j >= 0; --j) { 4810 final EphemeralResolveIntentInfo intentInfo = 4811 new EphemeralResolveIntentInfo(filters.get(j), ephemeralApplication); 4812 ephemeralResolver.addFilter(intentInfo); 4813 } 4814 List<EphemeralResolveInfo> matchedResolveInfoList = ephemeralResolver.queryIntent( 4815 intent, resolvedType, false /*defaultOnly*/, userId); 4816 if (!matchedResolveInfoList.isEmpty()) { 4817 return matchedResolveInfoList.get(0); 4818 } 4819 } 4820 // Hash or filter mis-match; no ephemeral apps for this domain. 4821 return null; 4822 } 4823 4824 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 4825 int flags, List<ResolveInfo> query, int userId) { 4826 if (query != null) { 4827 final int N = query.size(); 4828 if (N == 1) { 4829 return query.get(0); 4830 } else if (N > 1) { 4831 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 4832 // If there is more than one activity with the same priority, 4833 // then let the user decide between them. 4834 ResolveInfo r0 = query.get(0); 4835 ResolveInfo r1 = query.get(1); 4836 if (DEBUG_INTENT_MATCHING || debug) { 4837 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 4838 + r1.activityInfo.name + "=" + r1.priority); 4839 } 4840 // If the first activity has a higher priority, or a different 4841 // default, then it is always desirable to pick it. 4842 if (r0.priority != r1.priority 4843 || r0.preferredOrder != r1.preferredOrder 4844 || r0.isDefault != r1.isDefault) { 4845 return query.get(0); 4846 } 4847 // If we have saved a preference for a preferred activity for 4848 // this Intent, use that. 4849 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 4850 flags, query, r0.priority, true, false, debug, userId); 4851 if (ri != null) { 4852 return ri; 4853 } 4854 ri = new ResolveInfo(mResolveInfo); 4855 ri.activityInfo = new ActivityInfo(ri.activityInfo); 4856 ri.activityInfo.applicationInfo = new ApplicationInfo( 4857 ri.activityInfo.applicationInfo); 4858 if (userId != 0) { 4859 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 4860 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 4861 } 4862 // Make sure that the resolver is displayable in car mode 4863 if (ri.activityInfo.metaData == null) ri.activityInfo.metaData = new Bundle(); 4864 ri.activityInfo.metaData.putBoolean(Intent.METADATA_DOCK_HOME, true); 4865 return ri; 4866 } 4867 } 4868 return null; 4869 } 4870 4871 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 4872 int flags, List<ResolveInfo> query, boolean debug, int userId) { 4873 final int N = query.size(); 4874 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 4875 .get(userId); 4876 // Get the list of persistent preferred activities that handle the intent 4877 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 4878 List<PersistentPreferredActivity> pprefs = ppir != null 4879 ? ppir.queryIntent(intent, resolvedType, 4880 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 4881 : null; 4882 if (pprefs != null && pprefs.size() > 0) { 4883 final int M = pprefs.size(); 4884 for (int i=0; i<M; i++) { 4885 final PersistentPreferredActivity ppa = pprefs.get(i); 4886 if (DEBUG_PREFERRED || debug) { 4887 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 4888 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 4889 + "\n component=" + ppa.mComponent); 4890 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4891 } 4892 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 4893 flags | MATCH_DISABLED_COMPONENTS, userId); 4894 if (DEBUG_PREFERRED || debug) { 4895 Slog.v(TAG, "Found persistent preferred activity:"); 4896 if (ai != null) { 4897 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4898 } else { 4899 Slog.v(TAG, " null"); 4900 } 4901 } 4902 if (ai == null) { 4903 // This previously registered persistent preferred activity 4904 // component is no longer known. Ignore it and do NOT remove it. 4905 continue; 4906 } 4907 for (int j=0; j<N; j++) { 4908 final ResolveInfo ri = query.get(j); 4909 if (!ri.activityInfo.applicationInfo.packageName 4910 .equals(ai.applicationInfo.packageName)) { 4911 continue; 4912 } 4913 if (!ri.activityInfo.name.equals(ai.name)) { 4914 continue; 4915 } 4916 // Found a persistent preference that can handle the intent. 4917 if (DEBUG_PREFERRED || debug) { 4918 Slog.v(TAG, "Returning persistent preferred activity: " + 4919 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 4920 } 4921 return ri; 4922 } 4923 } 4924 } 4925 return null; 4926 } 4927 4928 // TODO: handle preferred activities missing while user has amnesia 4929 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 4930 List<ResolveInfo> query, int priority, boolean always, 4931 boolean removeMatches, boolean debug, int userId) { 4932 if (!sUserManager.exists(userId)) return null; 4933 flags = updateFlagsForResolve(flags, userId, intent); 4934 // writer 4935 synchronized (mPackages) { 4936 if (intent.getSelector() != null) { 4937 intent = intent.getSelector(); 4938 } 4939 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 4940 4941 // Try to find a matching persistent preferred activity. 4942 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 4943 debug, userId); 4944 4945 // If a persistent preferred activity matched, use it. 4946 if (pri != null) { 4947 return pri; 4948 } 4949 4950 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 4951 // Get the list of preferred activities that handle the intent 4952 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 4953 List<PreferredActivity> prefs = pir != null 4954 ? pir.queryIntent(intent, resolvedType, 4955 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 4956 : null; 4957 if (prefs != null && prefs.size() > 0) { 4958 boolean changed = false; 4959 try { 4960 // First figure out how good the original match set is. 4961 // We will only allow preferred activities that came 4962 // from the same match quality. 4963 int match = 0; 4964 4965 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 4966 4967 final int N = query.size(); 4968 for (int j=0; j<N; j++) { 4969 final ResolveInfo ri = query.get(j); 4970 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 4971 + ": 0x" + Integer.toHexString(match)); 4972 if (ri.match > match) { 4973 match = ri.match; 4974 } 4975 } 4976 4977 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 4978 + Integer.toHexString(match)); 4979 4980 match &= IntentFilter.MATCH_CATEGORY_MASK; 4981 final int M = prefs.size(); 4982 for (int i=0; i<M; i++) { 4983 final PreferredActivity pa = prefs.get(i); 4984 if (DEBUG_PREFERRED || debug) { 4985 Slog.v(TAG, "Checking PreferredActivity ds=" 4986 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 4987 + "\n component=" + pa.mPref.mComponent); 4988 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4989 } 4990 if (pa.mPref.mMatch != match) { 4991 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 4992 + Integer.toHexString(pa.mPref.mMatch)); 4993 continue; 4994 } 4995 // If it's not an "always" type preferred activity and that's what we're 4996 // looking for, skip it. 4997 if (always && !pa.mPref.mAlways) { 4998 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 4999 continue; 5000 } 5001 final ActivityInfo ai = getActivityInfo( 5002 pa.mPref.mComponent, flags | MATCH_DISABLED_COMPONENTS 5003 | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 5004 userId); 5005 if (DEBUG_PREFERRED || debug) { 5006 Slog.v(TAG, "Found preferred activity:"); 5007 if (ai != null) { 5008 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5009 } else { 5010 Slog.v(TAG, " null"); 5011 } 5012 } 5013 if (ai == null) { 5014 // This previously registered preferred activity 5015 // component is no longer known. Most likely an update 5016 // to the app was installed and in the new version this 5017 // component no longer exists. Clean it up by removing 5018 // it from the preferred activities list, and skip it. 5019 Slog.w(TAG, "Removing dangling preferred activity: " 5020 + pa.mPref.mComponent); 5021 pir.removeFilter(pa); 5022 changed = true; 5023 continue; 5024 } 5025 for (int j=0; j<N; j++) { 5026 final ResolveInfo ri = query.get(j); 5027 if (!ri.activityInfo.applicationInfo.packageName 5028 .equals(ai.applicationInfo.packageName)) { 5029 continue; 5030 } 5031 if (!ri.activityInfo.name.equals(ai.name)) { 5032 continue; 5033 } 5034 5035 if (removeMatches) { 5036 pir.removeFilter(pa); 5037 changed = true; 5038 if (DEBUG_PREFERRED) { 5039 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 5040 } 5041 break; 5042 } 5043 5044 // Okay we found a previously set preferred or last chosen app. 5045 // If the result set is different from when this 5046 // was created, we need to clear it and re-ask the 5047 // user their preference, if we're looking for an "always" type entry. 5048 if (always && !pa.mPref.sameSet(query)) { 5049 Slog.i(TAG, "Result set changed, dropping preferred activity for " 5050 + intent + " type " + resolvedType); 5051 if (DEBUG_PREFERRED) { 5052 Slog.v(TAG, "Removing preferred activity since set changed " 5053 + pa.mPref.mComponent); 5054 } 5055 pir.removeFilter(pa); 5056 // Re-add the filter as a "last chosen" entry (!always) 5057 PreferredActivity lastChosen = new PreferredActivity( 5058 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 5059 pir.addFilter(lastChosen); 5060 changed = true; 5061 return null; 5062 } 5063 5064 // Yay! Either the set matched or we're looking for the last chosen 5065 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 5066 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 5067 return ri; 5068 } 5069 } 5070 } finally { 5071 if (changed) { 5072 if (DEBUG_PREFERRED) { 5073 Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions"); 5074 } 5075 scheduleWritePackageRestrictionsLocked(userId); 5076 } 5077 } 5078 } 5079 } 5080 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 5081 return null; 5082 } 5083 5084 /* 5085 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 5086 */ 5087 @Override 5088 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 5089 int targetUserId) { 5090 mContext.enforceCallingOrSelfPermission( 5091 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 5092 List<CrossProfileIntentFilter> matches = 5093 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 5094 if (matches != null) { 5095 int size = matches.size(); 5096 for (int i = 0; i < size; i++) { 5097 if (matches.get(i).getTargetUserId() == targetUserId) return true; 5098 } 5099 } 5100 if (hasWebURI(intent)) { 5101 // cross-profile app linking works only towards the parent. 5102 final UserInfo parent = getProfileParent(sourceUserId); 5103 synchronized(mPackages) { 5104 int flags = updateFlagsForResolve(0, parent.id, intent); 5105 CrossProfileDomainInfo xpDomainInfo = getCrossProfileDomainPreferredLpr( 5106 intent, resolvedType, flags, sourceUserId, parent.id); 5107 return xpDomainInfo != null; 5108 } 5109 } 5110 return false; 5111 } 5112 5113 private UserInfo getProfileParent(int userId) { 5114 final long identity = Binder.clearCallingIdentity(); 5115 try { 5116 return sUserManager.getProfileParent(userId); 5117 } finally { 5118 Binder.restoreCallingIdentity(identity); 5119 } 5120 } 5121 5122 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 5123 String resolvedType, int userId) { 5124 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 5125 if (resolver != null) { 5126 return resolver.queryIntent(intent, resolvedType, false, userId); 5127 } 5128 return null; 5129 } 5130 5131 @Override 5132 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivities(Intent intent, 5133 String resolvedType, int flags, int userId) { 5134 return new ParceledListSlice<>( 5135 queryIntentActivitiesInternal(intent, resolvedType, flags, userId)); 5136 } 5137 5138 private @NonNull List<ResolveInfo> queryIntentActivitiesInternal(Intent intent, 5139 String resolvedType, int flags, int userId) { 5140 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5141 flags = updateFlagsForResolve(flags, userId, intent); 5142 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5143 false /* requireFullPermission */, false /* checkShell */, 5144 "query intent activities"); 5145 ComponentName comp = intent.getComponent(); 5146 if (comp == null) { 5147 if (intent.getSelector() != null) { 5148 intent = intent.getSelector(); 5149 comp = intent.getComponent(); 5150 } 5151 } 5152 5153 if (comp != null) { 5154 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5155 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 5156 if (ai != null) { 5157 final ResolveInfo ri = new ResolveInfo(); 5158 ri.activityInfo = ai; 5159 list.add(ri); 5160 } 5161 return list; 5162 } 5163 5164 // reader 5165 synchronized (mPackages) { 5166 final String pkgName = intent.getPackage(); 5167 if (pkgName == null) { 5168 List<CrossProfileIntentFilter> matchingFilters = 5169 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 5170 // Check for results that need to skip the current profile. 5171 ResolveInfo xpResolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 5172 resolvedType, flags, userId); 5173 if (xpResolveInfo != null) { 5174 List<ResolveInfo> result = new ArrayList<ResolveInfo>(1); 5175 result.add(xpResolveInfo); 5176 return filterIfNotSystemUser(result, userId); 5177 } 5178 5179 // Check for results in the current profile. 5180 List<ResolveInfo> result = mActivities.queryIntent( 5181 intent, resolvedType, flags, userId); 5182 result = filterIfNotSystemUser(result, userId); 5183 5184 // Check for cross profile results. 5185 boolean hasNonNegativePriorityResult = hasNonNegativePriority(result); 5186 xpResolveInfo = queryCrossProfileIntents( 5187 matchingFilters, intent, resolvedType, flags, userId, 5188 hasNonNegativePriorityResult); 5189 if (xpResolveInfo != null && isUserEnabled(xpResolveInfo.targetUserId)) { 5190 boolean isVisibleToUser = filterIfNotSystemUser( 5191 Collections.singletonList(xpResolveInfo), userId).size() > 0; 5192 if (isVisibleToUser) { 5193 result.add(xpResolveInfo); 5194 Collections.sort(result, mResolvePrioritySorter); 5195 } 5196 } 5197 if (hasWebURI(intent)) { 5198 CrossProfileDomainInfo xpDomainInfo = null; 5199 final UserInfo parent = getProfileParent(userId); 5200 if (parent != null) { 5201 xpDomainInfo = getCrossProfileDomainPreferredLpr(intent, resolvedType, 5202 flags, userId, parent.id); 5203 } 5204 if (xpDomainInfo != null) { 5205 if (xpResolveInfo != null) { 5206 // If we didn't remove it, the cross-profile ResolveInfo would be twice 5207 // in the result. 5208 result.remove(xpResolveInfo); 5209 } 5210 if (result.size() == 0) { 5211 result.add(xpDomainInfo.resolveInfo); 5212 return result; 5213 } 5214 } else if (result.size() <= 1) { 5215 return result; 5216 } 5217 result = filterCandidatesWithDomainPreferredActivitiesLPr(intent, flags, result, 5218 xpDomainInfo, userId); 5219 Collections.sort(result, mResolvePrioritySorter); 5220 } 5221 return result; 5222 } 5223 final PackageParser.Package pkg = mPackages.get(pkgName); 5224 if (pkg != null) { 5225 return filterIfNotSystemUser( 5226 mActivities.queryIntentForPackage( 5227 intent, resolvedType, flags, pkg.activities, userId), 5228 userId); 5229 } 5230 return new ArrayList<ResolveInfo>(); 5231 } 5232 } 5233 5234 private static class CrossProfileDomainInfo { 5235 /* ResolveInfo for IntentForwarderActivity to send the intent to the other profile */ 5236 ResolveInfo resolveInfo; 5237 /* Best domain verification status of the activities found in the other profile */ 5238 int bestDomainVerificationStatus; 5239 } 5240 5241 private CrossProfileDomainInfo getCrossProfileDomainPreferredLpr(Intent intent, 5242 String resolvedType, int flags, int sourceUserId, int parentUserId) { 5243 if (!sUserManager.hasUserRestriction(UserManager.ALLOW_PARENT_PROFILE_APP_LINKING, 5244 sourceUserId)) { 5245 return null; 5246 } 5247 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5248 resolvedType, flags, parentUserId); 5249 5250 if (resultTargetUser == null || resultTargetUser.isEmpty()) { 5251 return null; 5252 } 5253 CrossProfileDomainInfo result = null; 5254 int size = resultTargetUser.size(); 5255 for (int i = 0; i < size; i++) { 5256 ResolveInfo riTargetUser = resultTargetUser.get(i); 5257 // Intent filter verification is only for filters that specify a host. So don't return 5258 // those that handle all web uris. 5259 if (riTargetUser.handleAllWebDataURI) { 5260 continue; 5261 } 5262 String packageName = riTargetUser.activityInfo.packageName; 5263 PackageSetting ps = mSettings.mPackages.get(packageName); 5264 if (ps == null) { 5265 continue; 5266 } 5267 long verificationState = getDomainVerificationStatusLPr(ps, parentUserId); 5268 int status = (int)(verificationState >> 32); 5269 if (result == null) { 5270 result = new CrossProfileDomainInfo(); 5271 result.resolveInfo = createForwardingResolveInfoUnchecked(new IntentFilter(), 5272 sourceUserId, parentUserId); 5273 result.bestDomainVerificationStatus = status; 5274 } else { 5275 result.bestDomainVerificationStatus = bestDomainVerificationStatus(status, 5276 result.bestDomainVerificationStatus); 5277 } 5278 } 5279 // Don't consider matches with status NEVER across profiles. 5280 if (result != null && result.bestDomainVerificationStatus 5281 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5282 return null; 5283 } 5284 return result; 5285 } 5286 5287 /** 5288 * Verification statuses are ordered from the worse to the best, except for 5289 * INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER, which is the worse. 5290 */ 5291 private int bestDomainVerificationStatus(int status1, int status2) { 5292 if (status1 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5293 return status2; 5294 } 5295 if (status2 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5296 return status1; 5297 } 5298 return (int) MathUtils.max(status1, status2); 5299 } 5300 5301 private boolean isUserEnabled(int userId) { 5302 long callingId = Binder.clearCallingIdentity(); 5303 try { 5304 UserInfo userInfo = sUserManager.getUserInfo(userId); 5305 return userInfo != null && userInfo.isEnabled(); 5306 } finally { 5307 Binder.restoreCallingIdentity(callingId); 5308 } 5309 } 5310 5311 /** 5312 * Filter out activities with systemUserOnly flag set, when current user is not System. 5313 * 5314 * @return filtered list 5315 */ 5316 private List<ResolveInfo> filterIfNotSystemUser(List<ResolveInfo> resolveInfos, int userId) { 5317 if (userId == UserHandle.USER_SYSTEM) { 5318 return resolveInfos; 5319 } 5320 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 5321 ResolveInfo info = resolveInfos.get(i); 5322 if ((info.activityInfo.flags & ActivityInfo.FLAG_SYSTEM_USER_ONLY) != 0) { 5323 resolveInfos.remove(i); 5324 } 5325 } 5326 return resolveInfos; 5327 } 5328 5329 /** 5330 * @param resolveInfos list of resolve infos in descending priority order 5331 * @return if the list contains a resolve info with non-negative priority 5332 */ 5333 private boolean hasNonNegativePriority(List<ResolveInfo> resolveInfos) { 5334 return resolveInfos.size() > 0 && resolveInfos.get(0).priority >= 0; 5335 } 5336 5337 private static boolean hasWebURI(Intent intent) { 5338 if (intent.getData() == null) { 5339 return false; 5340 } 5341 final String scheme = intent.getScheme(); 5342 if (TextUtils.isEmpty(scheme)) { 5343 return false; 5344 } 5345 return scheme.equals(IntentFilter.SCHEME_HTTP) || scheme.equals(IntentFilter.SCHEME_HTTPS); 5346 } 5347 5348 private List<ResolveInfo> filterCandidatesWithDomainPreferredActivitiesLPr(Intent intent, 5349 int matchFlags, List<ResolveInfo> candidates, CrossProfileDomainInfo xpDomainInfo, 5350 int userId) { 5351 final boolean debug = (intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0; 5352 5353 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5354 Slog.v(TAG, "Filtering results with preferred activities. Candidates count: " + 5355 candidates.size()); 5356 } 5357 5358 ArrayList<ResolveInfo> result = new ArrayList<ResolveInfo>(); 5359 ArrayList<ResolveInfo> alwaysList = new ArrayList<ResolveInfo>(); 5360 ArrayList<ResolveInfo> undefinedList = new ArrayList<ResolveInfo>(); 5361 ArrayList<ResolveInfo> alwaysAskList = new ArrayList<ResolveInfo>(); 5362 ArrayList<ResolveInfo> neverList = new ArrayList<ResolveInfo>(); 5363 ArrayList<ResolveInfo> matchAllList = new ArrayList<ResolveInfo>(); 5364 5365 synchronized (mPackages) { 5366 final int count = candidates.size(); 5367 // First, try to use linked apps. Partition the candidates into four lists: 5368 // one for the final results, one for the "do not use ever", one for "undefined status" 5369 // and finally one for "browser app type". 5370 for (int n=0; n<count; n++) { 5371 ResolveInfo info = candidates.get(n); 5372 String packageName = info.activityInfo.packageName; 5373 PackageSetting ps = mSettings.mPackages.get(packageName); 5374 if (ps != null) { 5375 // Add to the special match all list (Browser use case) 5376 if (info.handleAllWebDataURI) { 5377 matchAllList.add(info); 5378 continue; 5379 } 5380 // Try to get the status from User settings first 5381 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 5382 int status = (int)(packedStatus >> 32); 5383 int linkGeneration = (int)(packedStatus & 0xFFFFFFFF); 5384 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS) { 5385 if (DEBUG_DOMAIN_VERIFICATION) { 5386 Slog.i(TAG, " + always: " + info.activityInfo.packageName 5387 + " : linkgen=" + linkGeneration); 5388 } 5389 // Use link-enabled generation as preferredOrder, i.e. 5390 // prefer newly-enabled over earlier-enabled. 5391 info.preferredOrder = linkGeneration; 5392 alwaysList.add(info); 5393 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5394 if (DEBUG_DOMAIN_VERIFICATION) { 5395 Slog.i(TAG, " + never: " + info.activityInfo.packageName); 5396 } 5397 neverList.add(info); 5398 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 5399 if (DEBUG_DOMAIN_VERIFICATION) { 5400 Slog.i(TAG, " + always-ask: " + info.activityInfo.packageName); 5401 } 5402 alwaysAskList.add(info); 5403 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED || 5404 status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK) { 5405 if (DEBUG_DOMAIN_VERIFICATION) { 5406 Slog.i(TAG, " + ask: " + info.activityInfo.packageName); 5407 } 5408 undefinedList.add(info); 5409 } 5410 } 5411 } 5412 5413 // We'll want to include browser possibilities in a few cases 5414 boolean includeBrowser = false; 5415 5416 // First try to add the "always" resolution(s) for the current user, if any 5417 if (alwaysList.size() > 0) { 5418 result.addAll(alwaysList); 5419 } else { 5420 // Add all undefined apps as we want them to appear in the disambiguation dialog. 5421 result.addAll(undefinedList); 5422 // Maybe add one for the other profile. 5423 if (xpDomainInfo != null && ( 5424 xpDomainInfo.bestDomainVerificationStatus 5425 != INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER)) { 5426 result.add(xpDomainInfo.resolveInfo); 5427 } 5428 includeBrowser = true; 5429 } 5430 5431 // The presence of any 'always ask' alternatives means we'll also offer browsers. 5432 // If there were 'always' entries their preferred order has been set, so we also 5433 // back that off to make the alternatives equivalent 5434 if (alwaysAskList.size() > 0) { 5435 for (ResolveInfo i : result) { 5436 i.preferredOrder = 0; 5437 } 5438 result.addAll(alwaysAskList); 5439 includeBrowser = true; 5440 } 5441 5442 if (includeBrowser) { 5443 // Also add browsers (all of them or only the default one) 5444 if (DEBUG_DOMAIN_VERIFICATION) { 5445 Slog.v(TAG, " ...including browsers in candidate set"); 5446 } 5447 if ((matchFlags & MATCH_ALL) != 0) { 5448 result.addAll(matchAllList); 5449 } else { 5450 // Browser/generic handling case. If there's a default browser, go straight 5451 // to that (but only if there is no other higher-priority match). 5452 final String defaultBrowserPackageName = getDefaultBrowserPackageName(userId); 5453 int maxMatchPrio = 0; 5454 ResolveInfo defaultBrowserMatch = null; 5455 final int numCandidates = matchAllList.size(); 5456 for (int n = 0; n < numCandidates; n++) { 5457 ResolveInfo info = matchAllList.get(n); 5458 // track the highest overall match priority... 5459 if (info.priority > maxMatchPrio) { 5460 maxMatchPrio = info.priority; 5461 } 5462 // ...and the highest-priority default browser match 5463 if (info.activityInfo.packageName.equals(defaultBrowserPackageName)) { 5464 if (defaultBrowserMatch == null 5465 || (defaultBrowserMatch.priority < info.priority)) { 5466 if (debug) { 5467 Slog.v(TAG, "Considering default browser match " + info); 5468 } 5469 defaultBrowserMatch = info; 5470 } 5471 } 5472 } 5473 if (defaultBrowserMatch != null 5474 && defaultBrowserMatch.priority >= maxMatchPrio 5475 && !TextUtils.isEmpty(defaultBrowserPackageName)) 5476 { 5477 if (debug) { 5478 Slog.v(TAG, "Default browser match " + defaultBrowserMatch); 5479 } 5480 result.add(defaultBrowserMatch); 5481 } else { 5482 result.addAll(matchAllList); 5483 } 5484 } 5485 5486 // If there is nothing selected, add all candidates and remove the ones that the user 5487 // has explicitly put into the INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER state 5488 if (result.size() == 0) { 5489 result.addAll(candidates); 5490 result.removeAll(neverList); 5491 } 5492 } 5493 } 5494 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5495 Slog.v(TAG, "Filtered results with preferred activities. New candidates count: " + 5496 result.size()); 5497 for (ResolveInfo info : result) { 5498 Slog.v(TAG, " + " + info.activityInfo); 5499 } 5500 } 5501 return result; 5502 } 5503 5504 // Returns a packed value as a long: 5505 // 5506 // high 'int'-sized word: link status: undefined/ask/never/always. 5507 // low 'int'-sized word: relative priority among 'always' results. 5508 private long getDomainVerificationStatusLPr(PackageSetting ps, int userId) { 5509 long result = ps.getDomainVerificationStatusForUser(userId); 5510 // if none available, get the master status 5511 if (result >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 5512 if (ps.getIntentFilterVerificationInfo() != null) { 5513 result = ((long)ps.getIntentFilterVerificationInfo().getStatus()) << 32; 5514 } 5515 } 5516 return result; 5517 } 5518 5519 private ResolveInfo querySkipCurrentProfileIntents( 5520 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5521 int flags, int sourceUserId) { 5522 if (matchingFilters != null) { 5523 int size = matchingFilters.size(); 5524 for (int i = 0; i < size; i ++) { 5525 CrossProfileIntentFilter filter = matchingFilters.get(i); 5526 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 5527 // Checking if there are activities in the target user that can handle the 5528 // intent. 5529 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5530 resolvedType, flags, sourceUserId); 5531 if (resolveInfo != null) { 5532 return resolveInfo; 5533 } 5534 } 5535 } 5536 } 5537 return null; 5538 } 5539 5540 // Return matching ResolveInfo in target user if any. 5541 private ResolveInfo queryCrossProfileIntents( 5542 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5543 int flags, int sourceUserId, boolean matchInCurrentProfile) { 5544 if (matchingFilters != null) { 5545 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 5546 // match the same intent. For performance reasons, it is better not to 5547 // run queryIntent twice for the same userId 5548 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 5549 int size = matchingFilters.size(); 5550 for (int i = 0; i < size; i++) { 5551 CrossProfileIntentFilter filter = matchingFilters.get(i); 5552 int targetUserId = filter.getTargetUserId(); 5553 boolean skipCurrentProfile = 5554 (filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0; 5555 boolean skipCurrentProfileIfNoMatchFound = 5556 (filter.getFlags() & PackageManager.ONLY_IF_NO_MATCH_FOUND) != 0; 5557 if (!skipCurrentProfile && !alreadyTriedUserIds.get(targetUserId) 5558 && (!skipCurrentProfileIfNoMatchFound || !matchInCurrentProfile)) { 5559 // Checking if there are activities in the target user that can handle the 5560 // intent. 5561 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5562 resolvedType, flags, sourceUserId); 5563 if (resolveInfo != null) return resolveInfo; 5564 alreadyTriedUserIds.put(targetUserId, true); 5565 } 5566 } 5567 } 5568 return null; 5569 } 5570 5571 /** 5572 * If the filter's target user can handle the intent and is enabled: returns a ResolveInfo that 5573 * will forward the intent to the filter's target user. 5574 * Otherwise, returns null. 5575 */ 5576 private ResolveInfo createForwardingResolveInfo(CrossProfileIntentFilter filter, Intent intent, 5577 String resolvedType, int flags, int sourceUserId) { 5578 int targetUserId = filter.getTargetUserId(); 5579 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5580 resolvedType, flags, targetUserId); 5581 if (resultTargetUser != null && isUserEnabled(targetUserId)) { 5582 // If all the matches in the target profile are suspended, return null. 5583 for (int i = resultTargetUser.size() - 1; i >= 0; i--) { 5584 if ((resultTargetUser.get(i).activityInfo.applicationInfo.flags 5585 & ApplicationInfo.FLAG_SUSPENDED) == 0) { 5586 return createForwardingResolveInfoUnchecked(filter, sourceUserId, 5587 targetUserId); 5588 } 5589 } 5590 } 5591 return null; 5592 } 5593 5594 private ResolveInfo createForwardingResolveInfoUnchecked(IntentFilter filter, 5595 int sourceUserId, int targetUserId) { 5596 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 5597 long ident = Binder.clearCallingIdentity(); 5598 boolean targetIsProfile; 5599 try { 5600 targetIsProfile = sUserManager.getUserInfo(targetUserId).isManagedProfile(); 5601 } finally { 5602 Binder.restoreCallingIdentity(ident); 5603 } 5604 String className; 5605 if (targetIsProfile) { 5606 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 5607 } else { 5608 className = FORWARD_INTENT_TO_PARENT; 5609 } 5610 ComponentName forwardingActivityComponentName = new ComponentName( 5611 mAndroidApplication.packageName, className); 5612 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 5613 sourceUserId); 5614 if (!targetIsProfile) { 5615 forwardingActivityInfo.showUserIcon = targetUserId; 5616 forwardingResolveInfo.noResourceId = true; 5617 } 5618 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 5619 forwardingResolveInfo.priority = 0; 5620 forwardingResolveInfo.preferredOrder = 0; 5621 forwardingResolveInfo.match = 0; 5622 forwardingResolveInfo.isDefault = true; 5623 forwardingResolveInfo.filter = filter; 5624 forwardingResolveInfo.targetUserId = targetUserId; 5625 return forwardingResolveInfo; 5626 } 5627 5628 @Override 5629 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 5630 Intent[] specifics, String[] specificTypes, Intent intent, 5631 String resolvedType, int flags, int userId) { 5632 return new ParceledListSlice<>(queryIntentActivityOptionsInternal(caller, specifics, 5633 specificTypes, intent, resolvedType, flags, userId)); 5634 } 5635 5636 private @NonNull List<ResolveInfo> queryIntentActivityOptionsInternal(ComponentName caller, 5637 Intent[] specifics, String[] specificTypes, Intent intent, 5638 String resolvedType, int flags, int userId) { 5639 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5640 flags = updateFlagsForResolve(flags, userId, intent); 5641 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5642 false /* requireFullPermission */, false /* checkShell */, 5643 "query intent activity options"); 5644 final String resultsAction = intent.getAction(); 5645 5646 final List<ResolveInfo> results = queryIntentActivitiesInternal(intent, resolvedType, flags 5647 | PackageManager.GET_RESOLVED_FILTER, userId); 5648 5649 if (DEBUG_INTENT_MATCHING) { 5650 Log.v(TAG, "Query " + intent + ": " + results); 5651 } 5652 5653 int specificsPos = 0; 5654 int N; 5655 5656 // todo: note that the algorithm used here is O(N^2). This 5657 // isn't a problem in our current environment, but if we start running 5658 // into situations where we have more than 5 or 10 matches then this 5659 // should probably be changed to something smarter... 5660 5661 // First we go through and resolve each of the specific items 5662 // that were supplied, taking care of removing any corresponding 5663 // duplicate items in the generic resolve list. 5664 if (specifics != null) { 5665 for (int i=0; i<specifics.length; i++) { 5666 final Intent sintent = specifics[i]; 5667 if (sintent == null) { 5668 continue; 5669 } 5670 5671 if (DEBUG_INTENT_MATCHING) { 5672 Log.v(TAG, "Specific #" + i + ": " + sintent); 5673 } 5674 5675 String action = sintent.getAction(); 5676 if (resultsAction != null && resultsAction.equals(action)) { 5677 // If this action was explicitly requested, then don't 5678 // remove things that have it. 5679 action = null; 5680 } 5681 5682 ResolveInfo ri = null; 5683 ActivityInfo ai = null; 5684 5685 ComponentName comp = sintent.getComponent(); 5686 if (comp == null) { 5687 ri = resolveIntent( 5688 sintent, 5689 specificTypes != null ? specificTypes[i] : null, 5690 flags, userId); 5691 if (ri == null) { 5692 continue; 5693 } 5694 if (ri == mResolveInfo) { 5695 // ACK! Must do something better with this. 5696 } 5697 ai = ri.activityInfo; 5698 comp = new ComponentName(ai.applicationInfo.packageName, 5699 ai.name); 5700 } else { 5701 ai = getActivityInfo(comp, flags, userId); 5702 if (ai == null) { 5703 continue; 5704 } 5705 } 5706 5707 // Look for any generic query activities that are duplicates 5708 // of this specific one, and remove them from the results. 5709 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 5710 N = results.size(); 5711 int j; 5712 for (j=specificsPos; j<N; j++) { 5713 ResolveInfo sri = results.get(j); 5714 if ((sri.activityInfo.name.equals(comp.getClassName()) 5715 && sri.activityInfo.applicationInfo.packageName.equals( 5716 comp.getPackageName())) 5717 || (action != null && sri.filter.matchAction(action))) { 5718 results.remove(j); 5719 if (DEBUG_INTENT_MATCHING) Log.v( 5720 TAG, "Removing duplicate item from " + j 5721 + " due to specific " + specificsPos); 5722 if (ri == null) { 5723 ri = sri; 5724 } 5725 j--; 5726 N--; 5727 } 5728 } 5729 5730 // Add this specific item to its proper place. 5731 if (ri == null) { 5732 ri = new ResolveInfo(); 5733 ri.activityInfo = ai; 5734 } 5735 results.add(specificsPos, ri); 5736 ri.specificIndex = i; 5737 specificsPos++; 5738 } 5739 } 5740 5741 // Now we go through the remaining generic results and remove any 5742 // duplicate actions that are found here. 5743 N = results.size(); 5744 for (int i=specificsPos; i<N-1; i++) { 5745 final ResolveInfo rii = results.get(i); 5746 if (rii.filter == null) { 5747 continue; 5748 } 5749 5750 // Iterate over all of the actions of this result's intent 5751 // filter... typically this should be just one. 5752 final Iterator<String> it = rii.filter.actionsIterator(); 5753 if (it == null) { 5754 continue; 5755 } 5756 while (it.hasNext()) { 5757 final String action = it.next(); 5758 if (resultsAction != null && resultsAction.equals(action)) { 5759 // If this action was explicitly requested, then don't 5760 // remove things that have it. 5761 continue; 5762 } 5763 for (int j=i+1; j<N; j++) { 5764 final ResolveInfo rij = results.get(j); 5765 if (rij.filter != null && rij.filter.hasAction(action)) { 5766 results.remove(j); 5767 if (DEBUG_INTENT_MATCHING) Log.v( 5768 TAG, "Removing duplicate item from " + j 5769 + " due to action " + action + " at " + i); 5770 j--; 5771 N--; 5772 } 5773 } 5774 } 5775 5776 // If the caller didn't request filter information, drop it now 5777 // so we don't have to marshall/unmarshall it. 5778 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 5779 rii.filter = null; 5780 } 5781 } 5782 5783 // Filter out the caller activity if so requested. 5784 if (caller != null) { 5785 N = results.size(); 5786 for (int i=0; i<N; i++) { 5787 ActivityInfo ainfo = results.get(i).activityInfo; 5788 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 5789 && caller.getClassName().equals(ainfo.name)) { 5790 results.remove(i); 5791 break; 5792 } 5793 } 5794 } 5795 5796 // If the caller didn't request filter information, 5797 // drop them now so we don't have to 5798 // marshall/unmarshall it. 5799 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 5800 N = results.size(); 5801 for (int i=0; i<N; i++) { 5802 results.get(i).filter = null; 5803 } 5804 } 5805 5806 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 5807 return results; 5808 } 5809 5810 @Override 5811 public @NonNull ParceledListSlice<ResolveInfo> queryIntentReceivers(Intent intent, 5812 String resolvedType, int flags, int userId) { 5813 return new ParceledListSlice<>( 5814 queryIntentReceiversInternal(intent, resolvedType, flags, userId)); 5815 } 5816 5817 private @NonNull List<ResolveInfo> queryIntentReceiversInternal(Intent intent, 5818 String resolvedType, int flags, int userId) { 5819 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5820 flags = updateFlagsForResolve(flags, userId, intent); 5821 ComponentName comp = intent.getComponent(); 5822 if (comp == null) { 5823 if (intent.getSelector() != null) { 5824 intent = intent.getSelector(); 5825 comp = intent.getComponent(); 5826 } 5827 } 5828 if (comp != null) { 5829 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5830 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 5831 if (ai != null) { 5832 ResolveInfo ri = new ResolveInfo(); 5833 ri.activityInfo = ai; 5834 list.add(ri); 5835 } 5836 return list; 5837 } 5838 5839 // reader 5840 synchronized (mPackages) { 5841 String pkgName = intent.getPackage(); 5842 if (pkgName == null) { 5843 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 5844 } 5845 final PackageParser.Package pkg = mPackages.get(pkgName); 5846 if (pkg != null) { 5847 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 5848 userId); 5849 } 5850 return Collections.emptyList(); 5851 } 5852 } 5853 5854 @Override 5855 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 5856 if (!sUserManager.exists(userId)) return null; 5857 flags = updateFlagsForResolve(flags, userId, intent); 5858 List<ResolveInfo> query = queryIntentServicesInternal(intent, resolvedType, flags, userId); 5859 if (query != null) { 5860 if (query.size() >= 1) { 5861 // If there is more than one service with the same priority, 5862 // just arbitrarily pick the first one. 5863 return query.get(0); 5864 } 5865 } 5866 return null; 5867 } 5868 5869 @Override 5870 public @NonNull ParceledListSlice<ResolveInfo> queryIntentServices(Intent intent, 5871 String resolvedType, int flags, int userId) { 5872 return new ParceledListSlice<>( 5873 queryIntentServicesInternal(intent, resolvedType, flags, userId)); 5874 } 5875 5876 private @NonNull List<ResolveInfo> queryIntentServicesInternal(Intent intent, 5877 String resolvedType, int flags, int userId) { 5878 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5879 flags = updateFlagsForResolve(flags, userId, intent); 5880 ComponentName comp = intent.getComponent(); 5881 if (comp == null) { 5882 if (intent.getSelector() != null) { 5883 intent = intent.getSelector(); 5884 comp = intent.getComponent(); 5885 } 5886 } 5887 if (comp != null) { 5888 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5889 final ServiceInfo si = getServiceInfo(comp, flags, userId); 5890 if (si != null) { 5891 final ResolveInfo ri = new ResolveInfo(); 5892 ri.serviceInfo = si; 5893 list.add(ri); 5894 } 5895 return list; 5896 } 5897 5898 // reader 5899 synchronized (mPackages) { 5900 String pkgName = intent.getPackage(); 5901 if (pkgName == null) { 5902 return mServices.queryIntent(intent, resolvedType, flags, userId); 5903 } 5904 final PackageParser.Package pkg = mPackages.get(pkgName); 5905 if (pkg != null) { 5906 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 5907 userId); 5908 } 5909 return Collections.emptyList(); 5910 } 5911 } 5912 5913 @Override 5914 public @NonNull ParceledListSlice<ResolveInfo> queryIntentContentProviders(Intent intent, 5915 String resolvedType, int flags, int userId) { 5916 return new ParceledListSlice<>( 5917 queryIntentContentProvidersInternal(intent, resolvedType, flags, userId)); 5918 } 5919 5920 private @NonNull List<ResolveInfo> queryIntentContentProvidersInternal( 5921 Intent intent, String resolvedType, int flags, int userId) { 5922 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5923 flags = updateFlagsForResolve(flags, userId, intent); 5924 ComponentName comp = intent.getComponent(); 5925 if (comp == null) { 5926 if (intent.getSelector() != null) { 5927 intent = intent.getSelector(); 5928 comp = intent.getComponent(); 5929 } 5930 } 5931 if (comp != null) { 5932 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5933 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 5934 if (pi != null) { 5935 final ResolveInfo ri = new ResolveInfo(); 5936 ri.providerInfo = pi; 5937 list.add(ri); 5938 } 5939 return list; 5940 } 5941 5942 // reader 5943 synchronized (mPackages) { 5944 String pkgName = intent.getPackage(); 5945 if (pkgName == null) { 5946 return mProviders.queryIntent(intent, resolvedType, flags, userId); 5947 } 5948 final PackageParser.Package pkg = mPackages.get(pkgName); 5949 if (pkg != null) { 5950 return mProviders.queryIntentForPackage( 5951 intent, resolvedType, flags, pkg.providers, userId); 5952 } 5953 return Collections.emptyList(); 5954 } 5955 } 5956 5957 @Override 5958 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 5959 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 5960 flags = updateFlagsForPackage(flags, userId, null); 5961 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 5962 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5963 true /* requireFullPermission */, false /* checkShell */, 5964 "get installed packages"); 5965 5966 // writer 5967 synchronized (mPackages) { 5968 ArrayList<PackageInfo> list; 5969 if (listUninstalled) { 5970 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 5971 for (PackageSetting ps : mSettings.mPackages.values()) { 5972 final PackageInfo pi; 5973 if (ps.pkg != null) { 5974 pi = generatePackageInfo(ps, flags, userId); 5975 } else { 5976 pi = generatePackageInfo(ps, flags, userId); 5977 } 5978 if (pi != null) { 5979 list.add(pi); 5980 } 5981 } 5982 } else { 5983 list = new ArrayList<PackageInfo>(mPackages.size()); 5984 for (PackageParser.Package p : mPackages.values()) { 5985 final PackageInfo pi = 5986 generatePackageInfo((PackageSetting)p.mExtras, flags, userId); 5987 if (pi != null) { 5988 list.add(pi); 5989 } 5990 } 5991 } 5992 5993 return new ParceledListSlice<PackageInfo>(list); 5994 } 5995 } 5996 5997 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 5998 String[] permissions, boolean[] tmp, int flags, int userId) { 5999 int numMatch = 0; 6000 final PermissionsState permissionsState = ps.getPermissionsState(); 6001 for (int i=0; i<permissions.length; i++) { 6002 final String permission = permissions[i]; 6003 if (permissionsState.hasPermission(permission, userId)) { 6004 tmp[i] = true; 6005 numMatch++; 6006 } else { 6007 tmp[i] = false; 6008 } 6009 } 6010 if (numMatch == 0) { 6011 return; 6012 } 6013 final PackageInfo pi; 6014 if (ps.pkg != null) { 6015 pi = generatePackageInfo(ps, flags, userId); 6016 } else { 6017 pi = generatePackageInfo(ps, flags, userId); 6018 } 6019 // The above might return null in cases of uninstalled apps or install-state 6020 // skew across users/profiles. 6021 if (pi != null) { 6022 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 6023 if (numMatch == permissions.length) { 6024 pi.requestedPermissions = permissions; 6025 } else { 6026 pi.requestedPermissions = new String[numMatch]; 6027 numMatch = 0; 6028 for (int i=0; i<permissions.length; i++) { 6029 if (tmp[i]) { 6030 pi.requestedPermissions[numMatch] = permissions[i]; 6031 numMatch++; 6032 } 6033 } 6034 } 6035 } 6036 list.add(pi); 6037 } 6038 } 6039 6040 @Override 6041 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 6042 String[] permissions, int flags, int userId) { 6043 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6044 flags = updateFlagsForPackage(flags, userId, permissions); 6045 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6046 6047 // writer 6048 synchronized (mPackages) { 6049 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 6050 boolean[] tmpBools = new boolean[permissions.length]; 6051 if (listUninstalled) { 6052 for (PackageSetting ps : mSettings.mPackages.values()) { 6053 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 6054 } 6055 } else { 6056 for (PackageParser.Package pkg : mPackages.values()) { 6057 PackageSetting ps = (PackageSetting)pkg.mExtras; 6058 if (ps != null) { 6059 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 6060 userId); 6061 } 6062 } 6063 } 6064 6065 return new ParceledListSlice<PackageInfo>(list); 6066 } 6067 } 6068 6069 @Override 6070 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 6071 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6072 flags = updateFlagsForApplication(flags, userId, null); 6073 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6074 6075 // writer 6076 synchronized (mPackages) { 6077 ArrayList<ApplicationInfo> list; 6078 if (listUninstalled) { 6079 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 6080 for (PackageSetting ps : mSettings.mPackages.values()) { 6081 ApplicationInfo ai; 6082 if (ps.pkg != null) { 6083 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 6084 ps.readUserState(userId), userId); 6085 } else { 6086 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 6087 } 6088 if (ai != null) { 6089 list.add(ai); 6090 } 6091 } 6092 } else { 6093 list = new ArrayList<ApplicationInfo>(mPackages.size()); 6094 for (PackageParser.Package p : mPackages.values()) { 6095 if (p.mExtras != null) { 6096 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 6097 ((PackageSetting)p.mExtras).readUserState(userId), userId); 6098 if (ai != null) { 6099 list.add(ai); 6100 } 6101 } 6102 } 6103 } 6104 6105 return new ParceledListSlice<ApplicationInfo>(list); 6106 } 6107 } 6108 6109 @Override 6110 public ParceledListSlice<EphemeralApplicationInfo> getEphemeralApplications(int userId) { 6111 if (DISABLE_EPHEMERAL_APPS) { 6112 return null; 6113 } 6114 6115 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 6116 "getEphemeralApplications"); 6117 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6118 true /* requireFullPermission */, false /* checkShell */, 6119 "getEphemeralApplications"); 6120 synchronized (mPackages) { 6121 List<EphemeralApplicationInfo> ephemeralApps = mEphemeralApplicationRegistry 6122 .getEphemeralApplicationsLPw(userId); 6123 if (ephemeralApps != null) { 6124 return new ParceledListSlice<>(ephemeralApps); 6125 } 6126 } 6127 return null; 6128 } 6129 6130 @Override 6131 public boolean isEphemeralApplication(String packageName, int userId) { 6132 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6133 true /* requireFullPermission */, false /* checkShell */, 6134 "isEphemeral"); 6135 if (DISABLE_EPHEMERAL_APPS) { 6136 return false; 6137 } 6138 6139 if (!isCallerSameApp(packageName)) { 6140 return false; 6141 } 6142 synchronized (mPackages) { 6143 PackageParser.Package pkg = mPackages.get(packageName); 6144 if (pkg != null) { 6145 return pkg.applicationInfo.isEphemeralApp(); 6146 } 6147 } 6148 return false; 6149 } 6150 6151 @Override 6152 public byte[] getEphemeralApplicationCookie(String packageName, int userId) { 6153 if (DISABLE_EPHEMERAL_APPS) { 6154 return null; 6155 } 6156 6157 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6158 true /* requireFullPermission */, false /* checkShell */, 6159 "getCookie"); 6160 if (!isCallerSameApp(packageName)) { 6161 return null; 6162 } 6163 synchronized (mPackages) { 6164 return mEphemeralApplicationRegistry.getEphemeralApplicationCookieLPw( 6165 packageName, userId); 6166 } 6167 } 6168 6169 @Override 6170 public boolean setEphemeralApplicationCookie(String packageName, byte[] cookie, int userId) { 6171 if (DISABLE_EPHEMERAL_APPS) { 6172 return true; 6173 } 6174 6175 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6176 true /* requireFullPermission */, true /* checkShell */, 6177 "setCookie"); 6178 if (!isCallerSameApp(packageName)) { 6179 return false; 6180 } 6181 synchronized (mPackages) { 6182 return mEphemeralApplicationRegistry.setEphemeralApplicationCookieLPw( 6183 packageName, cookie, userId); 6184 } 6185 } 6186 6187 @Override 6188 public Bitmap getEphemeralApplicationIcon(String packageName, int userId) { 6189 if (DISABLE_EPHEMERAL_APPS) { 6190 return null; 6191 } 6192 6193 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 6194 "getEphemeralApplicationIcon"); 6195 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6196 true /* requireFullPermission */, false /* checkShell */, 6197 "getEphemeralApplicationIcon"); 6198 synchronized (mPackages) { 6199 return mEphemeralApplicationRegistry.getEphemeralApplicationIconLPw( 6200 packageName, userId); 6201 } 6202 } 6203 6204 private boolean isCallerSameApp(String packageName) { 6205 PackageParser.Package pkg = mPackages.get(packageName); 6206 return pkg != null 6207 && UserHandle.getAppId(Binder.getCallingUid()) == pkg.applicationInfo.uid; 6208 } 6209 6210 @Override 6211 public @NonNull ParceledListSlice<ApplicationInfo> getPersistentApplications(int flags) { 6212 return new ParceledListSlice<>(getPersistentApplicationsInternal(flags)); 6213 } 6214 6215 private @NonNull List<ApplicationInfo> getPersistentApplicationsInternal(int flags) { 6216 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 6217 6218 // reader 6219 synchronized (mPackages) { 6220 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 6221 final int userId = UserHandle.getCallingUserId(); 6222 while (i.hasNext()) { 6223 final PackageParser.Package p = i.next(); 6224 if (p.applicationInfo == null) continue; 6225 6226 final boolean matchesUnaware = ((flags & MATCH_DIRECT_BOOT_UNAWARE) != 0) 6227 && !p.applicationInfo.isDirectBootAware(); 6228 final boolean matchesAware = ((flags & MATCH_DIRECT_BOOT_AWARE) != 0) 6229 && p.applicationInfo.isDirectBootAware(); 6230 6231 if ((p.applicationInfo.flags & ApplicationInfo.FLAG_PERSISTENT) != 0 6232 && (!mSafeMode || isSystemApp(p)) 6233 && (matchesUnaware || matchesAware)) { 6234 PackageSetting ps = mSettings.mPackages.get(p.packageName); 6235 if (ps != null) { 6236 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 6237 ps.readUserState(userId), userId); 6238 if (ai != null) { 6239 finalList.add(ai); 6240 } 6241 } 6242 } 6243 } 6244 } 6245 6246 return finalList; 6247 } 6248 6249 @Override 6250 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 6251 if (!sUserManager.exists(userId)) return null; 6252 flags = updateFlagsForComponent(flags, userId, name); 6253 // reader 6254 synchronized (mPackages) { 6255 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 6256 PackageSetting ps = provider != null 6257 ? mSettings.mPackages.get(provider.owner.packageName) 6258 : null; 6259 return ps != null 6260 && mSettings.isEnabledAndMatchLPr(provider.info, flags, userId) 6261 ? PackageParser.generateProviderInfo(provider, flags, 6262 ps.readUserState(userId), userId) 6263 : null; 6264 } 6265 } 6266 6267 /** 6268 * @deprecated 6269 */ 6270 @Deprecated 6271 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 6272 // reader 6273 synchronized (mPackages) { 6274 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 6275 .entrySet().iterator(); 6276 final int userId = UserHandle.getCallingUserId(); 6277 while (i.hasNext()) { 6278 Map.Entry<String, PackageParser.Provider> entry = i.next(); 6279 PackageParser.Provider p = entry.getValue(); 6280 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6281 6282 if (ps != null && p.syncable 6283 && (!mSafeMode || (p.info.applicationInfo.flags 6284 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 6285 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 6286 ps.readUserState(userId), userId); 6287 if (info != null) { 6288 outNames.add(entry.getKey()); 6289 outInfo.add(info); 6290 } 6291 } 6292 } 6293 } 6294 } 6295 6296 @Override 6297 public @NonNull ParceledListSlice<ProviderInfo> queryContentProviders(String processName, 6298 int uid, int flags) { 6299 final int userId = processName != null ? UserHandle.getUserId(uid) 6300 : UserHandle.getCallingUserId(); 6301 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6302 flags = updateFlagsForComponent(flags, userId, processName); 6303 6304 ArrayList<ProviderInfo> finalList = null; 6305 // reader 6306 synchronized (mPackages) { 6307 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 6308 while (i.hasNext()) { 6309 final PackageParser.Provider p = i.next(); 6310 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6311 if (ps != null && p.info.authority != null 6312 && (processName == null 6313 || (p.info.processName.equals(processName) 6314 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 6315 && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 6316 if (finalList == null) { 6317 finalList = new ArrayList<ProviderInfo>(3); 6318 } 6319 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 6320 ps.readUserState(userId), userId); 6321 if (info != null) { 6322 finalList.add(info); 6323 } 6324 } 6325 } 6326 } 6327 6328 if (finalList != null) { 6329 Collections.sort(finalList, mProviderInitOrderSorter); 6330 return new ParceledListSlice<ProviderInfo>(finalList); 6331 } 6332 6333 return ParceledListSlice.emptyList(); 6334 } 6335 6336 @Override 6337 public InstrumentationInfo getInstrumentationInfo(ComponentName name, int flags) { 6338 // reader 6339 synchronized (mPackages) { 6340 final PackageParser.Instrumentation i = mInstrumentation.get(name); 6341 return PackageParser.generateInstrumentationInfo(i, flags); 6342 } 6343 } 6344 6345 @Override 6346 public @NonNull ParceledListSlice<InstrumentationInfo> queryInstrumentation( 6347 String targetPackage, int flags) { 6348 return new ParceledListSlice<>(queryInstrumentationInternal(targetPackage, flags)); 6349 } 6350 6351 private @NonNull List<InstrumentationInfo> queryInstrumentationInternal(String targetPackage, 6352 int flags) { 6353 ArrayList<InstrumentationInfo> finalList = new ArrayList<InstrumentationInfo>(); 6354 6355 // reader 6356 synchronized (mPackages) { 6357 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 6358 while (i.hasNext()) { 6359 final PackageParser.Instrumentation p = i.next(); 6360 if (targetPackage == null 6361 || targetPackage.equals(p.info.targetPackage)) { 6362 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 6363 flags); 6364 if (ii != null) { 6365 finalList.add(ii); 6366 } 6367 } 6368 } 6369 } 6370 6371 return finalList; 6372 } 6373 6374 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 6375 ArrayMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 6376 if (overlays == null) { 6377 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 6378 return; 6379 } 6380 for (PackageParser.Package opkg : overlays.values()) { 6381 // Not much to do if idmap fails: we already logged the error 6382 // and we certainly don't want to abort installation of pkg simply 6383 // because an overlay didn't fit properly. For these reasons, 6384 // ignore the return value of createIdmapForPackagePairLI. 6385 createIdmapForPackagePairLI(pkg, opkg); 6386 } 6387 } 6388 6389 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 6390 PackageParser.Package opkg) { 6391 if (!opkg.mTrustedOverlay) { 6392 Slog.w(TAG, "Skipping target and overlay pair " + pkg.baseCodePath + " and " + 6393 opkg.baseCodePath + ": overlay not trusted"); 6394 return false; 6395 } 6396 ArrayMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 6397 if (overlaySet == null) { 6398 Slog.e(TAG, "was about to create idmap for " + pkg.baseCodePath + " and " + 6399 opkg.baseCodePath + " but target package has no known overlays"); 6400 return false; 6401 } 6402 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 6403 // TODO: generate idmap for split APKs 6404 try { 6405 mInstaller.idmap(pkg.baseCodePath, opkg.baseCodePath, sharedGid); 6406 } catch (InstallerException e) { 6407 Slog.e(TAG, "Failed to generate idmap for " + pkg.baseCodePath + " and " 6408 + opkg.baseCodePath); 6409 return false; 6410 } 6411 PackageParser.Package[] overlayArray = 6412 overlaySet.values().toArray(new PackageParser.Package[0]); 6413 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 6414 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 6415 return p1.mOverlayPriority - p2.mOverlayPriority; 6416 } 6417 }; 6418 Arrays.sort(overlayArray, cmp); 6419 6420 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 6421 int i = 0; 6422 for (PackageParser.Package p : overlayArray) { 6423 pkg.applicationInfo.resourceDirs[i++] = p.baseCodePath; 6424 } 6425 return true; 6426 } 6427 6428 private void scanDirTracedLI(File dir, int parseFlags, int scanFlags, long currentTime) { 6429 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanDir"); 6430 try { 6431 scanDirLI(dir, parseFlags, scanFlags, currentTime); 6432 } finally { 6433 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6434 } 6435 } 6436 6437 private void scanDirLI(File dir, int parseFlags, int scanFlags, long currentTime) { 6438 final File[] files = dir.listFiles(); 6439 if (ArrayUtils.isEmpty(files)) { 6440 Log.d(TAG, "No files in app dir " + dir); 6441 return; 6442 } 6443 6444 if (DEBUG_PACKAGE_SCANNING) { 6445 Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags 6446 + " flags=0x" + Integer.toHexString(parseFlags)); 6447 } 6448 6449 for (File file : files) { 6450 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 6451 && !PackageInstallerService.isStageName(file.getName()); 6452 if (!isPackage) { 6453 // Ignore entries which are not packages 6454 continue; 6455 } 6456 try { 6457 scanPackageTracedLI(file, parseFlags | PackageParser.PARSE_MUST_BE_APK, 6458 scanFlags, currentTime, null); 6459 } catch (PackageManagerException e) { 6460 Slog.w(TAG, "Failed to parse " + file + ": " + e.getMessage()); 6461 6462 // Delete invalid userdata apps 6463 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 && 6464 e.error == PackageManager.INSTALL_FAILED_INVALID_APK) { 6465 logCriticalInfo(Log.WARN, "Deleting invalid package at " + file); 6466 removeCodePathLI(file); 6467 } 6468 } 6469 } 6470 } 6471 6472 private static File getSettingsProblemFile() { 6473 File dataDir = Environment.getDataDirectory(); 6474 File systemDir = new File(dataDir, "system"); 6475 File fname = new File(systemDir, "uiderrors.txt"); 6476 return fname; 6477 } 6478 6479 static void reportSettingsProblem(int priority, String msg) { 6480 logCriticalInfo(priority, msg); 6481 } 6482 6483 static void logCriticalInfo(int priority, String msg) { 6484 Slog.println(priority, TAG, msg); 6485 EventLogTags.writePmCriticalInfo(msg); 6486 try { 6487 File fname = getSettingsProblemFile(); 6488 FileOutputStream out = new FileOutputStream(fname, true); 6489 PrintWriter pw = new FastPrintWriter(out); 6490 SimpleDateFormat formatter = new SimpleDateFormat(); 6491 String dateString = formatter.format(new Date(System.currentTimeMillis())); 6492 pw.println(dateString + ": " + msg); 6493 pw.close(); 6494 FileUtils.setPermissions( 6495 fname.toString(), 6496 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 6497 -1, -1); 6498 } catch (java.io.IOException e) { 6499 } 6500 } 6501 6502 private void collectCertificatesLI(PackageSetting ps, PackageParser.Package pkg, File srcFile, 6503 int parseFlags) throws PackageManagerException { 6504 if (ps != null 6505 && ps.codePath.equals(srcFile) 6506 && ps.timeStamp == srcFile.lastModified() 6507 && !isCompatSignatureUpdateNeeded(pkg) 6508 && !isRecoverSignatureUpdateNeeded(pkg)) { 6509 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 6510 KeySetManagerService ksms = mSettings.mKeySetManagerService; 6511 ArraySet<PublicKey> signingKs; 6512 synchronized (mPackages) { 6513 signingKs = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId); 6514 } 6515 if (ps.signatures.mSignatures != null 6516 && ps.signatures.mSignatures.length != 0 6517 && signingKs != null) { 6518 // Optimization: reuse the existing cached certificates 6519 // if the package appears to be unchanged. 6520 pkg.mSignatures = ps.signatures.mSignatures; 6521 pkg.mSigningKeys = signingKs; 6522 return; 6523 } 6524 6525 Slog.w(TAG, "PackageSetting for " + ps.name 6526 + " is missing signatures. Collecting certs again to recover them."); 6527 } else { 6528 Log.i(TAG, srcFile.toString() + " changed; collecting certs"); 6529 } 6530 6531 try { 6532 PackageParser.collectCertificates(pkg, parseFlags); 6533 } catch (PackageParserException e) { 6534 throw PackageManagerException.from(e); 6535 } 6536 } 6537 6538 /** 6539 * Traces a package scan. 6540 * @see #scanPackageLI(File, int, int, long, UserHandle) 6541 */ 6542 private PackageParser.Package scanPackageTracedLI(File scanFile, int parseFlags, int scanFlags, 6543 long currentTime, UserHandle user) throws PackageManagerException { 6544 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 6545 try { 6546 return scanPackageLI(scanFile, parseFlags, scanFlags, currentTime, user); 6547 } finally { 6548 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6549 } 6550 } 6551 6552 /** 6553 * Scans a package and returns the newly parsed package. 6554 * Returns {@code null} in case of errors and the error code is stored in mLastScanError 6555 */ 6556 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags, 6557 long currentTime, UserHandle user) throws PackageManagerException { 6558 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 6559 parseFlags |= mDefParseFlags; 6560 PackageParser pp = new PackageParser(); 6561 pp.setSeparateProcesses(mSeparateProcesses); 6562 pp.setOnlyCoreApps(mOnlyCore); 6563 pp.setDisplayMetrics(mMetrics); 6564 6565 if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) { 6566 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 6567 } 6568 6569 final PackageParser.Package pkg; 6570 try { 6571 pkg = pp.parsePackage(scanFile, parseFlags); 6572 } catch (PackageParserException e) { 6573 throw PackageManagerException.from(e); 6574 } 6575 6576 return scanPackageLI(pkg, scanFile, parseFlags, scanFlags, currentTime, user); 6577 } 6578 6579 /** 6580 * Scans a package and returns the newly parsed package. 6581 * @throws PackageManagerException on a parse error. 6582 */ 6583 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, File scanFile, 6584 int parseFlags, int scanFlags, long currentTime, UserHandle user) 6585 throws PackageManagerException { 6586 // If the package has children and this is the first dive in the function 6587 // we scan the package with the SCAN_CHECK_ONLY flag set to see whether all 6588 // packages (parent and children) would be successfully scanned before the 6589 // actual scan since scanning mutates internal state and we want to atomically 6590 // install the package and its children. 6591 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 6592 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 6593 scanFlags |= SCAN_CHECK_ONLY; 6594 } 6595 } else { 6596 scanFlags &= ~SCAN_CHECK_ONLY; 6597 } 6598 6599 // Scan the parent 6600 PackageParser.Package scannedPkg = scanPackageInternalLI(pkg, scanFile, parseFlags, 6601 scanFlags, currentTime, user); 6602 6603 // Scan the children 6604 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 6605 for (int i = 0; i < childCount; i++) { 6606 PackageParser.Package childPackage = pkg.childPackages.get(i); 6607 scanPackageInternalLI(childPackage, scanFile, parseFlags, scanFlags, 6608 currentTime, user); 6609 } 6610 6611 6612 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 6613 return scanPackageLI(pkg, scanFile, parseFlags, scanFlags, currentTime, user); 6614 } 6615 6616 return scannedPkg; 6617 } 6618 6619 /** 6620 * Scans a package and returns the newly parsed package. 6621 * @throws PackageManagerException on a parse error. 6622 */ 6623 private PackageParser.Package scanPackageInternalLI(PackageParser.Package pkg, File scanFile, 6624 int parseFlags, int scanFlags, long currentTime, UserHandle user) 6625 throws PackageManagerException { 6626 PackageSetting ps = null; 6627 PackageSetting updatedPkg; 6628 // reader 6629 synchronized (mPackages) { 6630 // Look to see if we already know about this package. 6631 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 6632 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 6633 // This package has been renamed to its original name. Let's 6634 // use that. 6635 ps = mSettings.peekPackageLPr(oldName); 6636 } 6637 // If there was no original package, see one for the real package name. 6638 if (ps == null) { 6639 ps = mSettings.peekPackageLPr(pkg.packageName); 6640 } 6641 // Check to see if this package could be hiding/updating a system 6642 // package. Must look for it either under the original or real 6643 // package name depending on our state. 6644 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 6645 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 6646 6647 // If this is a package we don't know about on the system partition, we 6648 // may need to remove disabled child packages on the system partition 6649 // or may need to not add child packages if the parent apk is updated 6650 // on the data partition and no longer defines this child package. 6651 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6652 // If this is a parent package for an updated system app and this system 6653 // app got an OTA update which no longer defines some of the child packages 6654 // we have to prune them from the disabled system packages. 6655 PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(pkg.packageName); 6656 if (disabledPs != null) { 6657 final int scannedChildCount = (pkg.childPackages != null) 6658 ? pkg.childPackages.size() : 0; 6659 final int disabledChildCount = disabledPs.childPackageNames != null 6660 ? disabledPs.childPackageNames.size() : 0; 6661 for (int i = 0; i < disabledChildCount; i++) { 6662 String disabledChildPackageName = disabledPs.childPackageNames.get(i); 6663 boolean disabledPackageAvailable = false; 6664 for (int j = 0; j < scannedChildCount; j++) { 6665 PackageParser.Package childPkg = pkg.childPackages.get(j); 6666 if (childPkg.packageName.equals(disabledChildPackageName)) { 6667 disabledPackageAvailable = true; 6668 break; 6669 } 6670 } 6671 if (!disabledPackageAvailable) { 6672 mSettings.removeDisabledSystemPackageLPw(disabledChildPackageName); 6673 } 6674 } 6675 } 6676 } 6677 } 6678 6679 boolean updatedPkgBetter = false; 6680 // First check if this is a system package that may involve an update 6681 if (updatedPkg != null && (parseFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6682 // If new package is not located in "/system/priv-app" (e.g. due to an OTA), 6683 // it needs to drop FLAG_PRIVILEGED. 6684 if (locationIsPrivileged(scanFile)) { 6685 updatedPkg.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6686 } else { 6687 updatedPkg.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6688 } 6689 6690 if (ps != null && !ps.codePath.equals(scanFile)) { 6691 // The path has changed from what was last scanned... check the 6692 // version of the new path against what we have stored to determine 6693 // what to do. 6694 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 6695 if (pkg.mVersionCode <= ps.versionCode) { 6696 // The system package has been updated and the code path does not match 6697 // Ignore entry. Skip it. 6698 if (DEBUG_INSTALL) Slog.i(TAG, "Package " + ps.name + " at " + scanFile 6699 + " ignored: updated version " + ps.versionCode 6700 + " better than this " + pkg.mVersionCode); 6701 if (!updatedPkg.codePath.equals(scanFile)) { 6702 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg " 6703 + ps.name + " changing from " + updatedPkg.codePathString 6704 + " to " + scanFile); 6705 updatedPkg.codePath = scanFile; 6706 updatedPkg.codePathString = scanFile.toString(); 6707 updatedPkg.resourcePath = scanFile; 6708 updatedPkg.resourcePathString = scanFile.toString(); 6709 } 6710 updatedPkg.pkg = pkg; 6711 updatedPkg.versionCode = pkg.mVersionCode; 6712 6713 // Update the disabled system child packages to point to the package too. 6714 final int childCount = updatedPkg.childPackageNames != null 6715 ? updatedPkg.childPackageNames.size() : 0; 6716 for (int i = 0; i < childCount; i++) { 6717 String childPackageName = updatedPkg.childPackageNames.get(i); 6718 PackageSetting updatedChildPkg = mSettings.getDisabledSystemPkgLPr( 6719 childPackageName); 6720 if (updatedChildPkg != null) { 6721 updatedChildPkg.pkg = pkg; 6722 updatedChildPkg.versionCode = pkg.mVersionCode; 6723 } 6724 } 6725 6726 throw new PackageManagerException(Log.WARN, "Package " + ps.name + " at " 6727 + scanFile + " ignored: updated version " + ps.versionCode 6728 + " better than this " + pkg.mVersionCode); 6729 } else { 6730 // The current app on the system partition is better than 6731 // what we have updated to on the data partition; switch 6732 // back to the system partition version. 6733 // At this point, its safely assumed that package installation for 6734 // apps in system partition will go through. If not there won't be a working 6735 // version of the app 6736 // writer 6737 synchronized (mPackages) { 6738 // Just remove the loaded entries from package lists. 6739 mPackages.remove(ps.name); 6740 } 6741 6742 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 6743 + " reverting from " + ps.codePathString 6744 + ": new version " + pkg.mVersionCode 6745 + " better than installed " + ps.versionCode); 6746 6747 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 6748 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 6749 synchronized (mInstallLock) { 6750 args.cleanUpResourcesLI(); 6751 } 6752 synchronized (mPackages) { 6753 mSettings.enableSystemPackageLPw(ps.name); 6754 } 6755 updatedPkgBetter = true; 6756 } 6757 } 6758 } 6759 6760 if (updatedPkg != null) { 6761 // An updated system app will not have the PARSE_IS_SYSTEM flag set 6762 // initially 6763 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 6764 6765 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 6766 // flag set initially 6767 if ((updatedPkg.pkgPrivateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0) { 6768 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 6769 } 6770 } 6771 6772 // Verify certificates against what was last scanned 6773 collectCertificatesLI(ps, pkg, scanFile, parseFlags); 6774 6775 /* 6776 * A new system app appeared, but we already had a non-system one of the 6777 * same name installed earlier. 6778 */ 6779 boolean shouldHideSystemApp = false; 6780 if (updatedPkg == null && ps != null 6781 && (parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 6782 /* 6783 * Check to make sure the signatures match first. If they don't, 6784 * wipe the installed application and its data. 6785 */ 6786 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 6787 != PackageManager.SIGNATURE_MATCH) { 6788 logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but" 6789 + " signatures don't match existing userdata copy; removing"); 6790 deletePackageLI(pkg.packageName, null, true, null, 0, null, false, null); 6791 ps = null; 6792 } else { 6793 /* 6794 * If the newly-added system app is an older version than the 6795 * already installed version, hide it. It will be scanned later 6796 * and re-added like an update. 6797 */ 6798 if (pkg.mVersionCode <= ps.versionCode) { 6799 shouldHideSystemApp = true; 6800 logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile 6801 + " but new version " + pkg.mVersionCode + " better than installed " 6802 + ps.versionCode + "; hiding system"); 6803 } else { 6804 /* 6805 * The newly found system app is a newer version that the 6806 * one previously installed. Simply remove the 6807 * already-installed application and replace it with our own 6808 * while keeping the application data. 6809 */ 6810 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 6811 + " reverting from " + ps.codePathString + ": new version " 6812 + pkg.mVersionCode + " better than installed " + ps.versionCode); 6813 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 6814 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 6815 synchronized (mInstallLock) { 6816 args.cleanUpResourcesLI(); 6817 } 6818 } 6819 } 6820 } 6821 6822 // The apk is forward locked (not public) if its code and resources 6823 // are kept in different files. (except for app in either system or 6824 // vendor path). 6825 // TODO grab this value from PackageSettings 6826 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 6827 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 6828 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 6829 } 6830 } 6831 6832 // TODO: extend to support forward-locked splits 6833 String resourcePath = null; 6834 String baseResourcePath = null; 6835 if ((parseFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 6836 if (ps != null && ps.resourcePathString != null) { 6837 resourcePath = ps.resourcePathString; 6838 baseResourcePath = ps.resourcePathString; 6839 } else { 6840 // Should not happen at all. Just log an error. 6841 Slog.e(TAG, "Resource path not set for package " + pkg.packageName); 6842 } 6843 } else { 6844 resourcePath = pkg.codePath; 6845 baseResourcePath = pkg.baseCodePath; 6846 } 6847 6848 // Set application objects path explicitly. 6849 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 6850 pkg.setApplicationInfoCodePath(pkg.codePath); 6851 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 6852 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 6853 pkg.setApplicationInfoResourcePath(resourcePath); 6854 pkg.setApplicationInfoBaseResourcePath(baseResourcePath); 6855 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 6856 6857 // Note that we invoke the following method only if we are about to unpack an application 6858 PackageParser.Package scannedPkg = scanPackageLI(pkg, parseFlags, scanFlags 6859 | SCAN_UPDATE_SIGNATURE, currentTime, user); 6860 6861 /* 6862 * If the system app should be overridden by a previously installed 6863 * data, hide the system app now and let the /data/app scan pick it up 6864 * again. 6865 */ 6866 if (shouldHideSystemApp) { 6867 synchronized (mPackages) { 6868 mSettings.disableSystemPackageLPw(pkg.packageName, true); 6869 } 6870 } 6871 6872 return scannedPkg; 6873 } 6874 6875 private static String fixProcessName(String defProcessName, 6876 String processName, int uid) { 6877 if (processName == null) { 6878 return defProcessName; 6879 } 6880 return processName; 6881 } 6882 6883 private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) 6884 throws PackageManagerException { 6885 if (pkgSetting.signatures.mSignatures != null) { 6886 // Already existing package. Make sure signatures match 6887 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 6888 == PackageManager.SIGNATURE_MATCH; 6889 if (!match) { 6890 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 6891 == PackageManager.SIGNATURE_MATCH; 6892 } 6893 if (!match) { 6894 match = compareSignaturesRecover(pkgSetting.signatures, pkg) 6895 == PackageManager.SIGNATURE_MATCH; 6896 } 6897 if (!match) { 6898 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 6899 + pkg.packageName + " signatures do not match the " 6900 + "previously installed version; ignoring!"); 6901 } 6902 } 6903 6904 // Check for shared user signatures 6905 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 6906 // Already existing package. Make sure signatures match 6907 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 6908 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 6909 if (!match) { 6910 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 6911 == PackageManager.SIGNATURE_MATCH; 6912 } 6913 if (!match) { 6914 match = compareSignaturesRecover(pkgSetting.sharedUser.signatures, pkg) 6915 == PackageManager.SIGNATURE_MATCH; 6916 } 6917 if (!match) { 6918 throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 6919 "Package " + pkg.packageName 6920 + " has no signatures that match those in shared user " 6921 + pkgSetting.sharedUser.name + "; ignoring!"); 6922 } 6923 } 6924 } 6925 6926 /** 6927 * Enforces that only the system UID or root's UID can call a method exposed 6928 * via Binder. 6929 * 6930 * @param message used as message if SecurityException is thrown 6931 * @throws SecurityException if the caller is not system or root 6932 */ 6933 private static final void enforceSystemOrRoot(String message) { 6934 final int uid = Binder.getCallingUid(); 6935 if (uid != Process.SYSTEM_UID && uid != 0) { 6936 throw new SecurityException(message); 6937 } 6938 } 6939 6940 @Override 6941 public void performFstrimIfNeeded() { 6942 enforceSystemOrRoot("Only the system can request fstrim"); 6943 6944 // Before everything else, see whether we need to fstrim. 6945 try { 6946 IMountService ms = PackageHelper.getMountService(); 6947 if (ms != null) { 6948 final boolean isUpgrade = isUpgrade(); 6949 boolean doTrim = isUpgrade; 6950 if (doTrim) { 6951 Slog.w(TAG, "Running disk maintenance immediately due to system update"); 6952 } else { 6953 final long interval = android.provider.Settings.Global.getLong( 6954 mContext.getContentResolver(), 6955 android.provider.Settings.Global.FSTRIM_MANDATORY_INTERVAL, 6956 DEFAULT_MANDATORY_FSTRIM_INTERVAL); 6957 if (interval > 0) { 6958 final long timeSinceLast = System.currentTimeMillis() - ms.lastMaintenance(); 6959 if (timeSinceLast > interval) { 6960 doTrim = true; 6961 Slog.w(TAG, "No disk maintenance in " + timeSinceLast 6962 + "; running immediately"); 6963 } 6964 } 6965 } 6966 if (doTrim) { 6967 if (!isFirstBoot()) { 6968 try { 6969 ActivityManagerNative.getDefault().showBootMessage( 6970 mContext.getResources().getString( 6971 R.string.android_upgrading_fstrim), true); 6972 } catch (RemoteException e) { 6973 } 6974 } 6975 ms.runMaintenance(); 6976 } 6977 } else { 6978 Slog.e(TAG, "Mount service unavailable!"); 6979 } 6980 } catch (RemoteException e) { 6981 // Can't happen; MountService is local 6982 } 6983 } 6984 6985 @Override 6986 public void updatePackagesIfNeeded() { 6987 enforceSystemOrRoot("Only the system can request package update"); 6988 6989 // We need to re-extract after an OTA. 6990 boolean causeUpgrade = isUpgrade(); 6991 6992 // First boot or factory reset. 6993 // Note: we also handle devices that are upgrading to N right now as if it is their 6994 // first boot, as they do not have profile data. 6995 boolean causeFirstBoot = isFirstBoot() || mIsPreNUpgrade; 6996 6997 // We need to re-extract after a pruned cache, as AoT-ed files will be out of date. 6998 boolean causePrunedCache = VMRuntime.didPruneDalvikCache(); 6999 7000 if (!causeUpgrade && !causeFirstBoot && !causePrunedCache) { 7001 return; 7002 } 7003 7004 List<PackageParser.Package> pkgs; 7005 synchronized (mPackages) { 7006 pkgs = PackageManagerServiceUtils.getPackagesForDexopt(mPackages.values(), this); 7007 } 7008 7009 int curr = 0; 7010 int total = pkgs.size(); 7011 for (PackageParser.Package pkg : pkgs) { 7012 curr++; 7013 7014 if (DEBUG_DEXOPT) { 7015 Log.i(TAG, "Extracting app " + curr + " of " + total + ": " + pkg.packageName); 7016 } 7017 7018 if (!isFirstBoot()) { 7019 try { 7020 ActivityManagerNative.getDefault().showBootMessage( 7021 mContext.getResources().getString(R.string.android_upgrading_apk, 7022 curr, total), true); 7023 } catch (RemoteException e) { 7024 } 7025 } 7026 7027 if (PackageDexOptimizer.canOptimizePackage(pkg)) { 7028 // If the cache was pruned, any compiled odex files will likely be out of date 7029 // and would have to be patched (would be SELF_PATCHOAT, which is deprecated). 7030 // Instead, force the extraction in this case. 7031 performDexOpt(pkg.packageName, 7032 null /* instructionSet */, 7033 false /* checkProfiles */, 7034 causeFirstBoot ? REASON_FIRST_BOOT : REASON_BOOT, 7035 false /* force */); 7036 } 7037 } 7038 } 7039 7040 @Override 7041 public void notifyPackageUse(String packageName) { 7042 synchronized (mPackages) { 7043 PackageParser.Package p = mPackages.get(packageName); 7044 if (p == null) { 7045 return; 7046 } 7047 p.mLastPackageUsageTimeInMills = System.currentTimeMillis(); 7048 } 7049 } 7050 7051 // TODO: this is not used nor needed. Delete it. 7052 @Override 7053 public boolean performDexOptIfNeeded(String packageName, String instructionSet) { 7054 return performDexOptTraced(packageName, instructionSet, false /* checkProfiles */, 7055 getFullCompilerFilter(), false /* force */); 7056 } 7057 7058 @Override 7059 public boolean performDexOpt(String packageName, String instructionSet, 7060 boolean checkProfiles, int compileReason, boolean force) { 7061 return performDexOptTraced(packageName, instructionSet, checkProfiles, 7062 getCompilerFilterForReason(compileReason), force); 7063 } 7064 7065 @Override 7066 public boolean performDexOptMode(String packageName, String instructionSet, 7067 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7068 return performDexOptTraced(packageName, instructionSet, checkProfiles, 7069 targetCompilerFilter, force); 7070 } 7071 7072 private boolean performDexOptTraced(String packageName, String instructionSet, 7073 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7074 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 7075 try { 7076 return performDexOptInternal(packageName, instructionSet, checkProfiles, 7077 targetCompilerFilter, force); 7078 } finally { 7079 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7080 } 7081 } 7082 7083 private boolean performDexOptInternal(String packageName, String instructionSet, 7084 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7085 PackageParser.Package p; 7086 final String targetInstructionSet; 7087 synchronized (mPackages) { 7088 p = mPackages.get(packageName); 7089 if (p == null) { 7090 return false; 7091 } 7092 mPackageUsage.write(false); 7093 7094 targetInstructionSet = instructionSet != null ? instructionSet : 7095 getPrimaryInstructionSet(p.applicationInfo); 7096 } 7097 long callingId = Binder.clearCallingIdentity(); 7098 try { 7099 synchronized (mInstallLock) { 7100 final String[] instructionSets = new String[] { targetInstructionSet }; 7101 int result = performDexOptInternalWithDependenciesLI(p, instructionSets, 7102 checkProfiles, targetCompilerFilter, force); 7103 return result == PackageDexOptimizer.DEX_OPT_PERFORMED; 7104 } 7105 } finally { 7106 Binder.restoreCallingIdentity(callingId); 7107 } 7108 } 7109 7110 public ArraySet<String> getOptimizablePackages() { 7111 ArraySet<String> pkgs = new ArraySet<String>(); 7112 synchronized (mPackages) { 7113 for (PackageParser.Package p : mPackages.values()) { 7114 if (PackageDexOptimizer.canOptimizePackage(p)) { 7115 pkgs.add(p.packageName); 7116 } 7117 } 7118 } 7119 return pkgs; 7120 } 7121 7122 private int performDexOptInternalWithDependenciesLI(PackageParser.Package p, 7123 String instructionSets[], boolean checkProfiles, String targetCompilerFilter, 7124 boolean force) { 7125 // Select the dex optimizer based on the force parameter. 7126 // Note: The force option is rarely used (cmdline input for testing, mostly), so it's OK to 7127 // allocate an object here. 7128 PackageDexOptimizer pdo = force 7129 ? new PackageDexOptimizer.ForcedUpdatePackageDexOptimizer(mPackageDexOptimizer) 7130 : mPackageDexOptimizer; 7131 7132 // Optimize all dependencies first. Note: we ignore the return value and march on 7133 // on errors. 7134 Collection<PackageParser.Package> deps = findSharedNonSystemLibraries(p); 7135 if (!deps.isEmpty()) { 7136 for (PackageParser.Package depPackage : deps) { 7137 // TODO: Analyze and investigate if we (should) profile libraries. 7138 // Currently this will do a full compilation of the library by default. 7139 pdo.performDexOpt(depPackage, instructionSets, false /* checkProfiles */, 7140 getCompilerFilterForReason(REASON_NON_SYSTEM_LIBRARY)); 7141 } 7142 } 7143 7144 return pdo.performDexOpt(p, instructionSets, checkProfiles, targetCompilerFilter); 7145 } 7146 7147 Collection<PackageParser.Package> findSharedNonSystemLibraries(PackageParser.Package p) { 7148 if (p.usesLibraries != null || p.usesOptionalLibraries != null) { 7149 ArrayList<PackageParser.Package> retValue = new ArrayList<>(); 7150 Set<String> collectedNames = new HashSet<>(); 7151 findSharedNonSystemLibrariesRecursive(p, retValue, collectedNames); 7152 7153 retValue.remove(p); 7154 7155 return retValue; 7156 } else { 7157 return Collections.emptyList(); 7158 } 7159 } 7160 7161 private void findSharedNonSystemLibrariesRecursive(PackageParser.Package p, 7162 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 7163 if (!collectedNames.contains(p.packageName)) { 7164 collectedNames.add(p.packageName); 7165 collected.add(p); 7166 7167 if (p.usesLibraries != null) { 7168 findSharedNonSystemLibrariesRecursive(p.usesLibraries, collected, collectedNames); 7169 } 7170 if (p.usesOptionalLibraries != null) { 7171 findSharedNonSystemLibrariesRecursive(p.usesOptionalLibraries, collected, 7172 collectedNames); 7173 } 7174 } 7175 } 7176 7177 private void findSharedNonSystemLibrariesRecursive(Collection<String> libs, 7178 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 7179 for (String libName : libs) { 7180 PackageParser.Package libPkg = findSharedNonSystemLibrary(libName); 7181 if (libPkg != null) { 7182 findSharedNonSystemLibrariesRecursive(libPkg, collected, collectedNames); 7183 } 7184 } 7185 } 7186 7187 private PackageParser.Package findSharedNonSystemLibrary(String libName) { 7188 synchronized (mPackages) { 7189 PackageManagerService.SharedLibraryEntry lib = mSharedLibraries.get(libName); 7190 if (lib != null && lib.apk != null) { 7191 return mPackages.get(lib.apk); 7192 } 7193 } 7194 return null; 7195 } 7196 7197 public void shutdown() { 7198 mPackageUsage.write(true); 7199 } 7200 7201 @Override 7202 public void forceDexOpt(String packageName) { 7203 enforceSystemOrRoot("forceDexOpt"); 7204 7205 PackageParser.Package pkg; 7206 synchronized (mPackages) { 7207 pkg = mPackages.get(packageName); 7208 if (pkg == null) { 7209 throw new IllegalArgumentException("Unknown package: " + packageName); 7210 } 7211 } 7212 7213 synchronized (mInstallLock) { 7214 final String[] instructionSets = new String[] { 7215 getPrimaryInstructionSet(pkg.applicationInfo) }; 7216 7217 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 7218 7219 // Whoever is calling forceDexOpt wants a fully compiled package. 7220 // Don't use profiles since that may cause compilation to be skipped. 7221 final int res = performDexOptInternalWithDependenciesLI(pkg, instructionSets, 7222 false /* checkProfiles */, getCompilerFilterForReason(REASON_FORCED_DEXOPT), 7223 true /* force */); 7224 7225 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7226 if (res != PackageDexOptimizer.DEX_OPT_PERFORMED) { 7227 throw new IllegalStateException("Failed to dexopt: " + res); 7228 } 7229 } 7230 } 7231 7232 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 7233 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 7234 Slog.w(TAG, "Unable to update from " + oldPkg.name 7235 + " to " + newPkg.packageName 7236 + ": old package not in system partition"); 7237 return false; 7238 } else if (mPackages.get(oldPkg.name) != null) { 7239 Slog.w(TAG, "Unable to update from " + oldPkg.name 7240 + " to " + newPkg.packageName 7241 + ": old package still exists"); 7242 return false; 7243 } 7244 return true; 7245 } 7246 7247 private boolean removeDataDirsLI(String volumeUuid, String packageName) { 7248 // TODO: triage flags as part of 26466827 7249 final int flags = StorageManager.FLAG_STORAGE_CE | StorageManager.FLAG_STORAGE_DE; 7250 7251 boolean res = true; 7252 final int[] users = sUserManager.getUserIds(); 7253 for (int user : users) { 7254 try { 7255 mInstaller.destroyAppData(volumeUuid, packageName, user, flags); 7256 } catch (InstallerException e) { 7257 Slog.w(TAG, "Failed to delete data directory", e); 7258 res = false; 7259 } 7260 } 7261 return res; 7262 } 7263 7264 void removeCodePathLI(File codePath) { 7265 if (codePath.isDirectory()) { 7266 try { 7267 mInstaller.rmPackageDir(codePath.getAbsolutePath()); 7268 } catch (InstallerException e) { 7269 Slog.w(TAG, "Failed to remove code path", e); 7270 } 7271 } else { 7272 codePath.delete(); 7273 } 7274 } 7275 7276 void destroyAppDataLI(String volumeUuid, String packageName, int userId, int flags) { 7277 try { 7278 mInstaller.destroyAppData(volumeUuid, packageName, userId, flags); 7279 } catch (InstallerException e) { 7280 Slog.w(TAG, "Failed to destroy app data", e); 7281 } 7282 } 7283 7284 void restoreconAppDataLI(String volumeUuid, String packageName, int userId, int flags, 7285 int appId, String seinfo) { 7286 try { 7287 mInstaller.restoreconAppData(volumeUuid, packageName, userId, flags, appId, seinfo); 7288 } catch (InstallerException e) { 7289 Slog.e(TAG, "Failed to restorecon for " + packageName + ": " + e); 7290 } 7291 } 7292 7293 private void deleteProfilesLI(String packageName, boolean destroy) { 7294 final PackageParser.Package pkg; 7295 synchronized (mPackages) { 7296 pkg = mPackages.get(packageName); 7297 } 7298 if (pkg == null) { 7299 Slog.w(TAG, "Failed to delete profiles. No package: " + packageName); 7300 return; 7301 } 7302 deleteProfilesLI(pkg, destroy); 7303 } 7304 7305 private void deleteProfilesLI(PackageParser.Package pkg, boolean destroy) { 7306 try { 7307 if (destroy) { 7308 mInstaller.destroyAppProfiles(pkg.packageName); 7309 } else { 7310 mInstaller.clearAppProfiles(pkg.packageName); 7311 } 7312 } catch (InstallerException ex) { 7313 Log.e(TAG, "Could not delete profiles for package " + pkg.packageName); 7314 } 7315 } 7316 7317 private void deleteCodeCacheDirsLI(String volumeUuid, String packageName) { 7318 final PackageParser.Package pkg; 7319 synchronized (mPackages) { 7320 pkg = mPackages.get(packageName); 7321 } 7322 if (pkg == null) { 7323 Slog.w(TAG, "Failed to delete code cache directory. No package: " + packageName); 7324 return; 7325 } 7326 deleteCodeCacheDirsLI(pkg); 7327 } 7328 7329 private void deleteCodeCacheDirsLI(PackageParser.Package pkg) { 7330 // TODO: triage flags as part of 26466827 7331 final int flags = StorageManager.FLAG_STORAGE_CE | StorageManager.FLAG_STORAGE_DE; 7332 7333 int[] users = sUserManager.getUserIds(); 7334 int res = 0; 7335 for (int user : users) { 7336 // Remove the parent code cache 7337 try { 7338 mInstaller.clearAppData(pkg.volumeUuid, pkg.packageName, user, 7339 flags | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 7340 } catch (InstallerException e) { 7341 Slog.w(TAG, "Failed to delete code cache directory", e); 7342 } 7343 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7344 for (int i = 0; i < childCount; i++) { 7345 PackageParser.Package childPkg = pkg.childPackages.get(i); 7346 // Remove the child code cache 7347 try { 7348 mInstaller.clearAppData(childPkg.volumeUuid, childPkg.packageName, 7349 user, flags | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 7350 } catch (InstallerException e) { 7351 Slog.w(TAG, "Failed to delete code cache directory", e); 7352 } 7353 } 7354 } 7355 } 7356 7357 private void setInstallAndUpdateTime(PackageParser.Package pkg, long firstInstallTime, 7358 long lastUpdateTime) { 7359 // Set parent install/update time 7360 PackageSetting ps = (PackageSetting) pkg.mExtras; 7361 if (ps != null) { 7362 ps.firstInstallTime = firstInstallTime; 7363 ps.lastUpdateTime = lastUpdateTime; 7364 } 7365 // Set children install/update time 7366 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7367 for (int i = 0; i < childCount; i++) { 7368 PackageParser.Package childPkg = pkg.childPackages.get(i); 7369 ps = (PackageSetting) childPkg.mExtras; 7370 if (ps != null) { 7371 ps.firstInstallTime = firstInstallTime; 7372 ps.lastUpdateTime = lastUpdateTime; 7373 } 7374 } 7375 } 7376 7377 private void addSharedLibraryLPw(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 7378 PackageParser.Package changingLib) { 7379 if (file.path != null) { 7380 usesLibraryFiles.add(file.path); 7381 return; 7382 } 7383 PackageParser.Package p = mPackages.get(file.apk); 7384 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 7385 // If we are doing this while in the middle of updating a library apk, 7386 // then we need to make sure to use that new apk for determining the 7387 // dependencies here. (We haven't yet finished committing the new apk 7388 // to the package manager state.) 7389 if (p == null || p.packageName.equals(changingLib.packageName)) { 7390 p = changingLib; 7391 } 7392 } 7393 if (p != null) { 7394 usesLibraryFiles.addAll(p.getAllCodePaths()); 7395 } 7396 } 7397 7398 private void updateSharedLibrariesLPw(PackageParser.Package pkg, 7399 PackageParser.Package changingLib) throws PackageManagerException { 7400 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 7401 final ArraySet<String> usesLibraryFiles = new ArraySet<>(); 7402 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 7403 for (int i=0; i<N; i++) { 7404 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 7405 if (file == null) { 7406 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 7407 "Package " + pkg.packageName + " requires unavailable shared library " 7408 + pkg.usesLibraries.get(i) + "; failing!"); 7409 } 7410 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 7411 } 7412 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 7413 for (int i=0; i<N; i++) { 7414 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 7415 if (file == null) { 7416 Slog.w(TAG, "Package " + pkg.packageName 7417 + " desires unavailable shared library " 7418 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 7419 } else { 7420 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 7421 } 7422 } 7423 N = usesLibraryFiles.size(); 7424 if (N > 0) { 7425 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]); 7426 } else { 7427 pkg.usesLibraryFiles = null; 7428 } 7429 } 7430 } 7431 7432 private static boolean hasString(List<String> list, List<String> which) { 7433 if (list == null) { 7434 return false; 7435 } 7436 for (int i=list.size()-1; i>=0; i--) { 7437 for (int j=which.size()-1; j>=0; j--) { 7438 if (which.get(j).equals(list.get(i))) { 7439 return true; 7440 } 7441 } 7442 } 7443 return false; 7444 } 7445 7446 private void updateAllSharedLibrariesLPw() { 7447 for (PackageParser.Package pkg : mPackages.values()) { 7448 try { 7449 updateSharedLibrariesLPw(pkg, null); 7450 } catch (PackageManagerException e) { 7451 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 7452 } 7453 } 7454 } 7455 7456 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 7457 PackageParser.Package changingPkg) { 7458 ArrayList<PackageParser.Package> res = null; 7459 for (PackageParser.Package pkg : mPackages.values()) { 7460 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 7461 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 7462 if (res == null) { 7463 res = new ArrayList<PackageParser.Package>(); 7464 } 7465 res.add(pkg); 7466 try { 7467 updateSharedLibrariesLPw(pkg, changingPkg); 7468 } catch (PackageManagerException e) { 7469 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 7470 } 7471 } 7472 } 7473 return res; 7474 } 7475 7476 /** 7477 * Derive the value of the {@code cpuAbiOverride} based on the provided 7478 * value and an optional stored value from the package settings. 7479 */ 7480 private static String deriveAbiOverride(String abiOverride, PackageSetting settings) { 7481 String cpuAbiOverride = null; 7482 7483 if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) { 7484 cpuAbiOverride = null; 7485 } else if (abiOverride != null) { 7486 cpuAbiOverride = abiOverride; 7487 } else if (settings != null) { 7488 cpuAbiOverride = settings.cpuAbiOverrideString; 7489 } 7490 7491 return cpuAbiOverride; 7492 } 7493 7494 private PackageParser.Package scanPackageTracedLI(PackageParser.Package pkg, int parseFlags, 7495 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 7496 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 7497 // If the package has children and this is the first dive in the function 7498 // we recursively scan the package with the SCAN_CHECK_ONLY flag set to see 7499 // whether all packages (parent and children) would be successfully scanned 7500 // before the actual scan since scanning mutates internal state and we want 7501 // to atomically install the package and its children. 7502 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7503 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 7504 scanFlags |= SCAN_CHECK_ONLY; 7505 } 7506 } else { 7507 scanFlags &= ~SCAN_CHECK_ONLY; 7508 } 7509 7510 final PackageParser.Package scannedPkg; 7511 try { 7512 // Scan the parent 7513 scannedPkg = scanPackageLI(pkg, parseFlags, scanFlags, currentTime, user); 7514 // Scan the children 7515 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7516 for (int i = 0; i < childCount; i++) { 7517 PackageParser.Package childPkg = pkg.childPackages.get(i); 7518 scanPackageLI(childPkg, parseFlags, 7519 scanFlags, currentTime, user); 7520 } 7521 } finally { 7522 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7523 } 7524 7525 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 7526 return scanPackageTracedLI(pkg, parseFlags, scanFlags, currentTime, user); 7527 } 7528 7529 return scannedPkg; 7530 } 7531 7532 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, int parseFlags, 7533 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 7534 boolean success = false; 7535 try { 7536 final PackageParser.Package res = scanPackageDirtyLI(pkg, parseFlags, scanFlags, 7537 currentTime, user); 7538 success = true; 7539 return res; 7540 } finally { 7541 if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 7542 removeDataDirsLI(pkg.volumeUuid, pkg.packageName); 7543 } 7544 } 7545 } 7546 7547 private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, int parseFlags, 7548 int scanFlags, long currentTime, UserHandle user) 7549 throws PackageManagerException { 7550 final File scanFile = new File(pkg.codePath); 7551 if (pkg.applicationInfo.getCodePath() == null || 7552 pkg.applicationInfo.getResourcePath() == null) { 7553 // Bail out. The resource and code paths haven't been set. 7554 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 7555 "Code and resource paths haven't been set correctly"); 7556 } 7557 7558 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 7559 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 7560 } else { 7561 // Only allow system apps to be flagged as core apps. 7562 pkg.coreApp = false; 7563 } 7564 7565 if ((parseFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 7566 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 7567 } 7568 7569 if (mCustomResolverComponentName != null && 7570 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 7571 setUpCustomResolverActivity(pkg); 7572 } 7573 7574 if (pkg.packageName.equals("android")) { 7575 synchronized (mPackages) { 7576 if (mAndroidApplication != null) { 7577 Slog.w(TAG, "*************************************************"); 7578 Slog.w(TAG, "Core android package being redefined. Skipping."); 7579 Slog.w(TAG, " file=" + scanFile); 7580 Slog.w(TAG, "*************************************************"); 7581 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 7582 "Core android package being redefined. Skipping."); 7583 } 7584 7585 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7586 // Set up information for our fall-back user intent resolution activity. 7587 mPlatformPackage = pkg; 7588 pkg.mVersionCode = mSdkVersion; 7589 mAndroidApplication = pkg.applicationInfo; 7590 7591 if (!mResolverReplaced) { 7592 mResolveActivity.applicationInfo = mAndroidApplication; 7593 mResolveActivity.name = ResolverActivity.class.getName(); 7594 mResolveActivity.packageName = mAndroidApplication.packageName; 7595 mResolveActivity.processName = "system:ui"; 7596 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 7597 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 7598 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 7599 mResolveActivity.theme = R.style.Theme_Holo_Dialog_Alert; 7600 mResolveActivity.exported = true; 7601 mResolveActivity.enabled = true; 7602 mResolveInfo.activityInfo = mResolveActivity; 7603 mResolveInfo.priority = 0; 7604 mResolveInfo.preferredOrder = 0; 7605 mResolveInfo.match = 0; 7606 mResolveComponentName = new ComponentName( 7607 mAndroidApplication.packageName, mResolveActivity.name); 7608 } 7609 } 7610 } 7611 } 7612 7613 if (DEBUG_PACKAGE_SCANNING) { 7614 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 7615 Log.d(TAG, "Scanning package " + pkg.packageName); 7616 } 7617 7618 synchronized (mPackages) { 7619 if (mPackages.containsKey(pkg.packageName) 7620 || mSharedLibraries.containsKey(pkg.packageName)) { 7621 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 7622 "Application package " + pkg.packageName 7623 + " already installed. Skipping duplicate."); 7624 } 7625 7626 // If we're only installing presumed-existing packages, require that the 7627 // scanned APK is both already known and at the path previously established 7628 // for it. Previously unknown packages we pick up normally, but if we have an 7629 // a priori expectation about this package's install presence, enforce it. 7630 // With a singular exception for new system packages. When an OTA contains 7631 // a new system package, we allow the codepath to change from a system location 7632 // to the user-installed location. If we don't allow this change, any newer, 7633 // user-installed version of the application will be ignored. 7634 if ((scanFlags & SCAN_REQUIRE_KNOWN) != 0) { 7635 if (mExpectingBetter.containsKey(pkg.packageName)) { 7636 logCriticalInfo(Log.WARN, 7637 "Relax SCAN_REQUIRE_KNOWN requirement for package " + pkg.packageName); 7638 } else { 7639 PackageSetting known = mSettings.peekPackageLPr(pkg.packageName); 7640 if (known != null) { 7641 if (DEBUG_PACKAGE_SCANNING) { 7642 Log.d(TAG, "Examining " + pkg.codePath 7643 + " and requiring known paths " + known.codePathString 7644 + " & " + known.resourcePathString); 7645 } 7646 if (!pkg.applicationInfo.getCodePath().equals(known.codePathString) 7647 || !pkg.applicationInfo.getResourcePath().equals( 7648 known.resourcePathString)) { 7649 throw new PackageManagerException(INSTALL_FAILED_PACKAGE_CHANGED, 7650 "Application package " + pkg.packageName 7651 + " found at " + pkg.applicationInfo.getCodePath() 7652 + " but expected at " + known.codePathString 7653 + "; ignoring."); 7654 } 7655 } 7656 } 7657 } 7658 } 7659 7660 // Initialize package source and resource directories 7661 File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 7662 File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 7663 7664 SharedUserSetting suid = null; 7665 PackageSetting pkgSetting = null; 7666 7667 if (!isSystemApp(pkg)) { 7668 // Only system apps can use these features. 7669 pkg.mOriginalPackages = null; 7670 pkg.mRealPackage = null; 7671 pkg.mAdoptPermissions = null; 7672 } 7673 7674 // Getting the package setting may have a side-effect, so if we 7675 // are only checking if scan would succeed, stash a copy of the 7676 // old setting to restore at the end. 7677 PackageSetting nonMutatedPs = null; 7678 7679 // writer 7680 synchronized (mPackages) { 7681 if (pkg.mSharedUserId != null) { 7682 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, 0, true); 7683 if (suid == null) { 7684 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 7685 "Creating application package " + pkg.packageName 7686 + " for shared user failed"); 7687 } 7688 if (DEBUG_PACKAGE_SCANNING) { 7689 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 7690 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 7691 + "): packages=" + suid.packages); 7692 } 7693 } 7694 7695 // Check if we are renaming from an original package name. 7696 PackageSetting origPackage = null; 7697 String realName = null; 7698 if (pkg.mOriginalPackages != null) { 7699 // This package may need to be renamed to a previously 7700 // installed name. Let's check on that... 7701 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 7702 if (pkg.mOriginalPackages.contains(renamed)) { 7703 // This package had originally been installed as the 7704 // original name, and we have already taken care of 7705 // transitioning to the new one. Just update the new 7706 // one to continue using the old name. 7707 realName = pkg.mRealPackage; 7708 if (!pkg.packageName.equals(renamed)) { 7709 // Callers into this function may have already taken 7710 // care of renaming the package; only do it here if 7711 // it is not already done. 7712 pkg.setPackageName(renamed); 7713 } 7714 7715 } else { 7716 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 7717 if ((origPackage = mSettings.peekPackageLPr( 7718 pkg.mOriginalPackages.get(i))) != null) { 7719 // We do have the package already installed under its 7720 // original name... should we use it? 7721 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 7722 // New package is not compatible with original. 7723 origPackage = null; 7724 continue; 7725 } else if (origPackage.sharedUser != null) { 7726 // Make sure uid is compatible between packages. 7727 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 7728 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 7729 + " to " + pkg.packageName + ": old uid " 7730 + origPackage.sharedUser.name 7731 + " differs from " + pkg.mSharedUserId); 7732 origPackage = null; 7733 continue; 7734 } 7735 } else { 7736 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 7737 + pkg.packageName + " to old name " + origPackage.name); 7738 } 7739 break; 7740 } 7741 } 7742 } 7743 } 7744 7745 if (mTransferedPackages.contains(pkg.packageName)) { 7746 Slog.w(TAG, "Package " + pkg.packageName 7747 + " was transferred to another, but its .apk remains"); 7748 } 7749 7750 // See comments in nonMutatedPs declaration 7751 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 7752 PackageSetting foundPs = mSettings.peekPackageLPr(pkg.packageName); 7753 if (foundPs != null) { 7754 nonMutatedPs = new PackageSetting(foundPs); 7755 } 7756 } 7757 7758 // Just create the setting, don't add it yet. For already existing packages 7759 // the PkgSetting exists already and doesn't have to be created. 7760 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 7761 destResourceFile, pkg.applicationInfo.nativeLibraryRootDir, 7762 pkg.applicationInfo.primaryCpuAbi, 7763 pkg.applicationInfo.secondaryCpuAbi, 7764 pkg.applicationInfo.flags, pkg.applicationInfo.privateFlags, 7765 user, false); 7766 if (pkgSetting == null) { 7767 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 7768 "Creating application package " + pkg.packageName + " failed"); 7769 } 7770 7771 if (pkgSetting.origPackage != null) { 7772 // If we are first transitioning from an original package, 7773 // fix up the new package's name now. We need to do this after 7774 // looking up the package under its new name, so getPackageLP 7775 // can take care of fiddling things correctly. 7776 pkg.setPackageName(origPackage.name); 7777 7778 // File a report about this. 7779 String msg = "New package " + pkgSetting.realName 7780 + " renamed to replace old package " + pkgSetting.name; 7781 reportSettingsProblem(Log.WARN, msg); 7782 7783 // Make a note of it. 7784 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7785 mTransferedPackages.add(origPackage.name); 7786 } 7787 7788 // No longer need to retain this. 7789 pkgSetting.origPackage = null; 7790 } 7791 7792 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && realName != null) { 7793 // Make a note of it. 7794 mTransferedPackages.add(pkg.packageName); 7795 } 7796 7797 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 7798 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 7799 } 7800 7801 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 7802 // Check all shared libraries and map to their actual file path. 7803 // We only do this here for apps not on a system dir, because those 7804 // are the only ones that can fail an install due to this. We 7805 // will take care of the system apps by updating all of their 7806 // library paths after the scan is done. 7807 updateSharedLibrariesLPw(pkg, null); 7808 } 7809 7810 if (mFoundPolicyFile) { 7811 SELinuxMMAC.assignSeinfoValue(pkg); 7812 } 7813 7814 pkg.applicationInfo.uid = pkgSetting.appId; 7815 pkg.mExtras = pkgSetting; 7816 if (shouldCheckUpgradeKeySetLP(pkgSetting, scanFlags)) { 7817 if (checkUpgradeKeySetLP(pkgSetting, pkg)) { 7818 // We just determined the app is signed correctly, so bring 7819 // over the latest parsed certs. 7820 pkgSetting.signatures.mSignatures = pkg.mSignatures; 7821 } else { 7822 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 7823 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 7824 "Package " + pkg.packageName + " upgrade keys do not match the " 7825 + "previously installed version"); 7826 } else { 7827 pkgSetting.signatures.mSignatures = pkg.mSignatures; 7828 String msg = "System package " + pkg.packageName 7829 + " signature changed; retaining data."; 7830 reportSettingsProblem(Log.WARN, msg); 7831 } 7832 } 7833 } else { 7834 try { 7835 verifySignaturesLP(pkgSetting, pkg); 7836 // We just determined the app is signed correctly, so bring 7837 // over the latest parsed certs. 7838 pkgSetting.signatures.mSignatures = pkg.mSignatures; 7839 } catch (PackageManagerException e) { 7840 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 7841 throw e; 7842 } 7843 // The signature has changed, but this package is in the system 7844 // image... let's recover! 7845 pkgSetting.signatures.mSignatures = pkg.mSignatures; 7846 // However... if this package is part of a shared user, but it 7847 // doesn't match the signature of the shared user, let's fail. 7848 // What this means is that you can't change the signatures 7849 // associated with an overall shared user, which doesn't seem all 7850 // that unreasonable. 7851 if (pkgSetting.sharedUser != null) { 7852 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 7853 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 7854 throw new PackageManagerException( 7855 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 7856 "Signature mismatch for shared user: " 7857 + pkgSetting.sharedUser); 7858 } 7859 } 7860 // File a report about this. 7861 String msg = "System package " + pkg.packageName 7862 + " signature changed; retaining data."; 7863 reportSettingsProblem(Log.WARN, msg); 7864 } 7865 } 7866 // Verify that this new package doesn't have any content providers 7867 // that conflict with existing packages. Only do this if the 7868 // package isn't already installed, since we don't want to break 7869 // things that are installed. 7870 if ((scanFlags & SCAN_NEW_INSTALL) != 0) { 7871 final int N = pkg.providers.size(); 7872 int i; 7873 for (i=0; i<N; i++) { 7874 PackageParser.Provider p = pkg.providers.get(i); 7875 if (p.info.authority != null) { 7876 String names[] = p.info.authority.split(";"); 7877 for (int j = 0; j < names.length; j++) { 7878 if (mProvidersByAuthority.containsKey(names[j])) { 7879 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 7880 final String otherPackageName = 7881 ((other != null && other.getComponentName() != null) ? 7882 other.getComponentName().getPackageName() : "?"); 7883 throw new PackageManagerException( 7884 INSTALL_FAILED_CONFLICTING_PROVIDER, 7885 "Can't install because provider name " + names[j] 7886 + " (in package " + pkg.applicationInfo.packageName 7887 + ") is already used by " + otherPackageName); 7888 } 7889 } 7890 } 7891 } 7892 } 7893 7894 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && pkg.mAdoptPermissions != null) { 7895 // This package wants to adopt ownership of permissions from 7896 // another package. 7897 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 7898 final String origName = pkg.mAdoptPermissions.get(i); 7899 final PackageSetting orig = mSettings.peekPackageLPr(origName); 7900 if (orig != null) { 7901 if (verifyPackageUpdateLPr(orig, pkg)) { 7902 Slog.i(TAG, "Adopting permissions from " + origName + " to " 7903 + pkg.packageName); 7904 mSettings.transferPermissionsLPw(origName, pkg.packageName); 7905 } 7906 } 7907 } 7908 } 7909 } 7910 7911 final String pkgName = pkg.packageName; 7912 7913 final long scanFileTime = scanFile.lastModified(); 7914 final boolean forceDex = (scanFlags & SCAN_FORCE_DEX) != 0; 7915 pkg.applicationInfo.processName = fixProcessName( 7916 pkg.applicationInfo.packageName, 7917 pkg.applicationInfo.processName, 7918 pkg.applicationInfo.uid); 7919 7920 if (pkg != mPlatformPackage) { 7921 // Get all of our default paths setup 7922 pkg.applicationInfo.initForUser(UserHandle.USER_SYSTEM); 7923 } 7924 7925 final String path = scanFile.getPath(); 7926 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 7927 7928 if ((scanFlags & SCAN_NEW_INSTALL) == 0) { 7929 derivePackageAbi(pkg, scanFile, cpuAbiOverride, true /* extract libs */); 7930 7931 // Some system apps still use directory structure for native libraries 7932 // in which case we might end up not detecting abi solely based on apk 7933 // structure. Try to detect abi based on directory structure. 7934 if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp() && 7935 pkg.applicationInfo.primaryCpuAbi == null) { 7936 setBundledAppAbisAndRoots(pkg, pkgSetting); 7937 setNativeLibraryPaths(pkg); 7938 } 7939 7940 } else { 7941 if ((scanFlags & SCAN_MOVE) != 0) { 7942 // We haven't run dex-opt for this move (since we've moved the compiled output too) 7943 // but we already have this packages package info in the PackageSetting. We just 7944 // use that and derive the native library path based on the new codepath. 7945 pkg.applicationInfo.primaryCpuAbi = pkgSetting.primaryCpuAbiString; 7946 pkg.applicationInfo.secondaryCpuAbi = pkgSetting.secondaryCpuAbiString; 7947 } 7948 7949 // Set native library paths again. For moves, the path will be updated based on the 7950 // ABIs we've determined above. For non-moves, the path will be updated based on the 7951 // ABIs we determined during compilation, but the path will depend on the final 7952 // package path (after the rename away from the stage path). 7953 setNativeLibraryPaths(pkg); 7954 } 7955 7956 // This is a special case for the "system" package, where the ABI is 7957 // dictated by the zygote configuration (and init.rc). We should keep track 7958 // of this ABI so that we can deal with "normal" applications that run under 7959 // the same UID correctly. 7960 if (mPlatformPackage == pkg) { 7961 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 7962 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 7963 } 7964 7965 // If there's a mismatch between the abi-override in the package setting 7966 // and the abiOverride specified for the install. Warn about this because we 7967 // would've already compiled the app without taking the package setting into 7968 // account. 7969 if ((scanFlags & SCAN_NO_DEX) == 0 && (scanFlags & SCAN_NEW_INSTALL) != 0) { 7970 if (cpuAbiOverride == null && pkgSetting.cpuAbiOverrideString != null) { 7971 Slog.w(TAG, "Ignoring persisted ABI override " + cpuAbiOverride + 7972 " for package " + pkg.packageName); 7973 } 7974 } 7975 7976 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 7977 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 7978 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 7979 7980 // Copy the derived override back to the parsed package, so that we can 7981 // update the package settings accordingly. 7982 pkg.cpuAbiOverride = cpuAbiOverride; 7983 7984 if (DEBUG_ABI_SELECTION) { 7985 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 7986 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 7987 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 7988 } 7989 7990 // Push the derived path down into PackageSettings so we know what to 7991 // clean up at uninstall time. 7992 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 7993 7994 if (DEBUG_ABI_SELECTION) { 7995 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 7996 " primary=" + pkg.applicationInfo.primaryCpuAbi + 7997 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 7998 } 7999 8000 if ((scanFlags & SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 8001 // We don't do this here during boot because we can do it all 8002 // at once after scanning all existing packages. 8003 // 8004 // We also do this *before* we perform dexopt on this package, so that 8005 // we can avoid redundant dexopts, and also to make sure we've got the 8006 // code and package path correct. 8007 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 8008 pkg, true /* boot complete */); 8009 } 8010 8011 if (mFactoryTest && pkg.requestedPermissions.contains( 8012 android.Manifest.permission.FACTORY_TEST)) { 8013 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 8014 } 8015 8016 ArrayList<PackageParser.Package> clientLibPkgs = null; 8017 8018 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 8019 if (nonMutatedPs != null) { 8020 synchronized (mPackages) { 8021 mSettings.mPackages.put(nonMutatedPs.name, nonMutatedPs); 8022 } 8023 } 8024 return pkg; 8025 } 8026 8027 // Only privileged apps and updated privileged apps can add child packages. 8028 if (pkg.childPackages != null && !pkg.childPackages.isEmpty()) { 8029 if ((parseFlags & PARSE_IS_PRIVILEGED) == 0) { 8030 throw new PackageManagerException("Only privileged apps and updated " 8031 + "privileged apps can add child packages. Ignoring package " 8032 + pkg.packageName); 8033 } 8034 final int childCount = pkg.childPackages.size(); 8035 for (int i = 0; i < childCount; i++) { 8036 PackageParser.Package childPkg = pkg.childPackages.get(i); 8037 if (mSettings.hasOtherDisabledSystemPkgWithChildLPr(pkg.packageName, 8038 childPkg.packageName)) { 8039 throw new PackageManagerException("Cannot override a child package of " 8040 + "another disabled system app. Ignoring package " + pkg.packageName); 8041 } 8042 } 8043 } 8044 8045 // writer 8046 synchronized (mPackages) { 8047 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 8048 // Only system apps can add new shared libraries. 8049 if (pkg.libraryNames != null) { 8050 for (int i=0; i<pkg.libraryNames.size(); i++) { 8051 String name = pkg.libraryNames.get(i); 8052 boolean allowed = false; 8053 if (pkg.isUpdatedSystemApp()) { 8054 // New library entries can only be added through the 8055 // system image. This is important to get rid of a lot 8056 // of nasty edge cases: for example if we allowed a non- 8057 // system update of the app to add a library, then uninstalling 8058 // the update would make the library go away, and assumptions 8059 // we made such as through app install filtering would now 8060 // have allowed apps on the device which aren't compatible 8061 // with it. Better to just have the restriction here, be 8062 // conservative, and create many fewer cases that can negatively 8063 // impact the user experience. 8064 final PackageSetting sysPs = mSettings 8065 .getDisabledSystemPkgLPr(pkg.packageName); 8066 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 8067 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 8068 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 8069 allowed = true; 8070 break; 8071 } 8072 } 8073 } 8074 } else { 8075 allowed = true; 8076 } 8077 if (allowed) { 8078 if (!mSharedLibraries.containsKey(name)) { 8079 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 8080 } else if (!name.equals(pkg.packageName)) { 8081 Slog.w(TAG, "Package " + pkg.packageName + " library " 8082 + name + " already exists; skipping"); 8083 } 8084 } else { 8085 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 8086 + name + " that is not declared on system image; skipping"); 8087 } 8088 } 8089 if ((scanFlags & SCAN_BOOTING) == 0) { 8090 // If we are not booting, we need to update any applications 8091 // that are clients of our shared library. If we are booting, 8092 // this will all be done once the scan is complete. 8093 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 8094 } 8095 } 8096 } 8097 } 8098 8099 // Request the ActivityManager to kill the process(only for existing packages) 8100 // so that we do not end up in a confused state while the user is still using the older 8101 // version of the application while the new one gets installed. 8102 final boolean isReplacing = (scanFlags & SCAN_REPLACING) != 0; 8103 final boolean killApp = (scanFlags & SCAN_DONT_KILL_APP) == 0; 8104 if (killApp) { 8105 if (isReplacing) { 8106 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "killApplication"); 8107 8108 killApplication(pkg.applicationInfo.packageName, 8109 pkg.applicationInfo.uid, "replace pkg"); 8110 8111 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8112 } 8113 } 8114 8115 // Also need to kill any apps that are dependent on the library. 8116 if (clientLibPkgs != null) { 8117 for (int i=0; i<clientLibPkgs.size(); i++) { 8118 PackageParser.Package clientPkg = clientLibPkgs.get(i); 8119 killApplication(clientPkg.applicationInfo.packageName, 8120 clientPkg.applicationInfo.uid, "update lib"); 8121 } 8122 } 8123 8124 // Make sure we're not adding any bogus keyset info 8125 KeySetManagerService ksms = mSettings.mKeySetManagerService; 8126 ksms.assertScannedPackageValid(pkg); 8127 8128 // writer 8129 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 8130 8131 boolean createIdmapFailed = false; 8132 synchronized (mPackages) { 8133 // We don't expect installation to fail beyond this point 8134 8135 // Add the new setting to mSettings 8136 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 8137 // Add the new setting to mPackages 8138 mPackages.put(pkg.applicationInfo.packageName, pkg); 8139 // Make sure we don't accidentally delete its data. 8140 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 8141 while (iter.hasNext()) { 8142 PackageCleanItem item = iter.next(); 8143 if (pkgName.equals(item.packageName)) { 8144 iter.remove(); 8145 } 8146 } 8147 8148 // Take care of first install / last update times. 8149 if (currentTime != 0) { 8150 if (pkgSetting.firstInstallTime == 0) { 8151 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 8152 } else if ((scanFlags&SCAN_UPDATE_TIME) != 0) { 8153 pkgSetting.lastUpdateTime = currentTime; 8154 } 8155 } else if (pkgSetting.firstInstallTime == 0) { 8156 // We need *something*. Take time time stamp of the file. 8157 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 8158 } else if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 8159 if (scanFileTime != pkgSetting.timeStamp) { 8160 // A package on the system image has changed; consider this 8161 // to be an update. 8162 pkgSetting.lastUpdateTime = scanFileTime; 8163 } 8164 } 8165 8166 // Add the package's KeySets to the global KeySetManagerService 8167 ksms.addScannedPackageLPw(pkg); 8168 8169 int N = pkg.providers.size(); 8170 StringBuilder r = null; 8171 int i; 8172 for (i=0; i<N; i++) { 8173 PackageParser.Provider p = pkg.providers.get(i); 8174 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 8175 p.info.processName, pkg.applicationInfo.uid); 8176 mProviders.addProvider(p); 8177 p.syncable = p.info.isSyncable; 8178 if (p.info.authority != null) { 8179 String names[] = p.info.authority.split(";"); 8180 p.info.authority = null; 8181 for (int j = 0; j < names.length; j++) { 8182 if (j == 1 && p.syncable) { 8183 // We only want the first authority for a provider to possibly be 8184 // syncable, so if we already added this provider using a different 8185 // authority clear the syncable flag. We copy the provider before 8186 // changing it because the mProviders object contains a reference 8187 // to a provider that we don't want to change. 8188 // Only do this for the second authority since the resulting provider 8189 // object can be the same for all future authorities for this provider. 8190 p = new PackageParser.Provider(p); 8191 p.syncable = false; 8192 } 8193 if (!mProvidersByAuthority.containsKey(names[j])) { 8194 mProvidersByAuthority.put(names[j], p); 8195 if (p.info.authority == null) { 8196 p.info.authority = names[j]; 8197 } else { 8198 p.info.authority = p.info.authority + ";" + names[j]; 8199 } 8200 if (DEBUG_PACKAGE_SCANNING) { 8201 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 8202 Log.d(TAG, "Registered content provider: " + names[j] 8203 + ", className = " + p.info.name + ", isSyncable = " 8204 + p.info.isSyncable); 8205 } 8206 } else { 8207 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 8208 Slog.w(TAG, "Skipping provider name " + names[j] + 8209 " (in package " + pkg.applicationInfo.packageName + 8210 "): name already used by " 8211 + ((other != null && other.getComponentName() != null) 8212 ? other.getComponentName().getPackageName() : "?")); 8213 } 8214 } 8215 } 8216 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8217 if (r == null) { 8218 r = new StringBuilder(256); 8219 } else { 8220 r.append(' '); 8221 } 8222 r.append(p.info.name); 8223 } 8224 } 8225 if (r != null) { 8226 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 8227 } 8228 8229 N = pkg.services.size(); 8230 r = null; 8231 for (i=0; i<N; i++) { 8232 PackageParser.Service s = pkg.services.get(i); 8233 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 8234 s.info.processName, pkg.applicationInfo.uid); 8235 mServices.addService(s); 8236 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8237 if (r == null) { 8238 r = new StringBuilder(256); 8239 } else { 8240 r.append(' '); 8241 } 8242 r.append(s.info.name); 8243 } 8244 } 8245 if (r != null) { 8246 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 8247 } 8248 8249 N = pkg.receivers.size(); 8250 r = null; 8251 for (i=0; i<N; i++) { 8252 PackageParser.Activity a = pkg.receivers.get(i); 8253 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 8254 a.info.processName, pkg.applicationInfo.uid); 8255 mReceivers.addActivity(a, "receiver"); 8256 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8257 if (r == null) { 8258 r = new StringBuilder(256); 8259 } else { 8260 r.append(' '); 8261 } 8262 r.append(a.info.name); 8263 } 8264 } 8265 if (r != null) { 8266 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 8267 } 8268 8269 N = pkg.activities.size(); 8270 r = null; 8271 for (i=0; i<N; i++) { 8272 PackageParser.Activity a = pkg.activities.get(i); 8273 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 8274 a.info.processName, pkg.applicationInfo.uid); 8275 mActivities.addActivity(a, "activity"); 8276 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8277 if (r == null) { 8278 r = new StringBuilder(256); 8279 } else { 8280 r.append(' '); 8281 } 8282 r.append(a.info.name); 8283 } 8284 } 8285 if (r != null) { 8286 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 8287 } 8288 8289 N = pkg.permissionGroups.size(); 8290 r = null; 8291 for (i=0; i<N; i++) { 8292 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 8293 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 8294 if (cur == null) { 8295 mPermissionGroups.put(pg.info.name, pg); 8296 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8297 if (r == null) { 8298 r = new StringBuilder(256); 8299 } else { 8300 r.append(' '); 8301 } 8302 r.append(pg.info.name); 8303 } 8304 } else { 8305 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 8306 + pg.info.packageName + " ignored: original from " 8307 + cur.info.packageName); 8308 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8309 if (r == null) { 8310 r = new StringBuilder(256); 8311 } else { 8312 r.append(' '); 8313 } 8314 r.append("DUP:"); 8315 r.append(pg.info.name); 8316 } 8317 } 8318 } 8319 if (r != null) { 8320 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 8321 } 8322 8323 N = pkg.permissions.size(); 8324 r = null; 8325 for (i=0; i<N; i++) { 8326 PackageParser.Permission p = pkg.permissions.get(i); 8327 8328 // Assume by default that we did not install this permission into the system. 8329 p.info.flags &= ~PermissionInfo.FLAG_INSTALLED; 8330 8331 // Now that permission groups have a special meaning, we ignore permission 8332 // groups for legacy apps to prevent unexpected behavior. In particular, 8333 // permissions for one app being granted to someone just becase they happen 8334 // to be in a group defined by another app (before this had no implications). 8335 if (pkg.applicationInfo.targetSdkVersion > Build.VERSION_CODES.LOLLIPOP_MR1) { 8336 p.group = mPermissionGroups.get(p.info.group); 8337 // Warn for a permission in an unknown group. 8338 if (p.info.group != null && p.group == null) { 8339 Slog.w(TAG, "Permission " + p.info.name + " from package " 8340 + p.info.packageName + " in an unknown group " + p.info.group); 8341 } 8342 } 8343 8344 ArrayMap<String, BasePermission> permissionMap = 8345 p.tree ? mSettings.mPermissionTrees 8346 : mSettings.mPermissions; 8347 BasePermission bp = permissionMap.get(p.info.name); 8348 8349 // Allow system apps to redefine non-system permissions 8350 if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) { 8351 final boolean currentOwnerIsSystem = (bp.perm != null 8352 && isSystemApp(bp.perm.owner)); 8353 if (isSystemApp(p.owner)) { 8354 if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) { 8355 // It's a built-in permission and no owner, take ownership now 8356 bp.packageSetting = pkgSetting; 8357 bp.perm = p; 8358 bp.uid = pkg.applicationInfo.uid; 8359 bp.sourcePackage = p.info.packageName; 8360 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 8361 } else if (!currentOwnerIsSystem) { 8362 String msg = "New decl " + p.owner + " of permission " 8363 + p.info.name + " is system; overriding " + bp.sourcePackage; 8364 reportSettingsProblem(Log.WARN, msg); 8365 bp = null; 8366 } 8367 } 8368 } 8369 8370 if (bp == null) { 8371 bp = new BasePermission(p.info.name, p.info.packageName, 8372 BasePermission.TYPE_NORMAL); 8373 permissionMap.put(p.info.name, bp); 8374 } 8375 8376 if (bp.perm == null) { 8377 if (bp.sourcePackage == null 8378 || bp.sourcePackage.equals(p.info.packageName)) { 8379 BasePermission tree = findPermissionTreeLP(p.info.name); 8380 if (tree == null 8381 || tree.sourcePackage.equals(p.info.packageName)) { 8382 bp.packageSetting = pkgSetting; 8383 bp.perm = p; 8384 bp.uid = pkg.applicationInfo.uid; 8385 bp.sourcePackage = p.info.packageName; 8386 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 8387 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8388 if (r == null) { 8389 r = new StringBuilder(256); 8390 } else { 8391 r.append(' '); 8392 } 8393 r.append(p.info.name); 8394 } 8395 } else { 8396 Slog.w(TAG, "Permission " + p.info.name + " from package " 8397 + p.info.packageName + " ignored: base tree " 8398 + tree.name + " is from package " 8399 + tree.sourcePackage); 8400 } 8401 } else { 8402 Slog.w(TAG, "Permission " + p.info.name + " from package " 8403 + p.info.packageName + " ignored: original from " 8404 + bp.sourcePackage); 8405 } 8406 } else if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8407 if (r == null) { 8408 r = new StringBuilder(256); 8409 } else { 8410 r.append(' '); 8411 } 8412 r.append("DUP:"); 8413 r.append(p.info.name); 8414 } 8415 if (bp.perm == p) { 8416 bp.protectionLevel = p.info.protectionLevel; 8417 } 8418 } 8419 8420 if (r != null) { 8421 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 8422 } 8423 8424 N = pkg.instrumentation.size(); 8425 r = null; 8426 for (i=0; i<N; i++) { 8427 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 8428 a.info.packageName = pkg.applicationInfo.packageName; 8429 a.info.sourceDir = pkg.applicationInfo.sourceDir; 8430 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 8431 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 8432 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 8433 a.info.dataDir = pkg.applicationInfo.dataDir; 8434 a.info.deviceProtectedDataDir = pkg.applicationInfo.deviceProtectedDataDir; 8435 a.info.credentialProtectedDataDir = pkg.applicationInfo.credentialProtectedDataDir; 8436 8437 // TODO: Update instrumentation.nativeLibraryDir as well ? Does it 8438 // need other information about the application, like the ABI and what not ? 8439 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 8440 mInstrumentation.put(a.getComponentName(), a); 8441 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8442 if (r == null) { 8443 r = new StringBuilder(256); 8444 } else { 8445 r.append(' '); 8446 } 8447 r.append(a.info.name); 8448 } 8449 } 8450 if (r != null) { 8451 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 8452 } 8453 8454 if (pkg.protectedBroadcasts != null) { 8455 N = pkg.protectedBroadcasts.size(); 8456 for (i=0; i<N; i++) { 8457 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 8458 } 8459 } 8460 8461 pkgSetting.setTimeStamp(scanFileTime); 8462 8463 // Create idmap files for pairs of (packages, overlay packages). 8464 // Note: "android", ie framework-res.apk, is handled by native layers. 8465 if (pkg.mOverlayTarget != null) { 8466 // This is an overlay package. 8467 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 8468 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 8469 mOverlays.put(pkg.mOverlayTarget, 8470 new ArrayMap<String, PackageParser.Package>()); 8471 } 8472 ArrayMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 8473 map.put(pkg.packageName, pkg); 8474 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 8475 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 8476 createIdmapFailed = true; 8477 } 8478 } 8479 } else if (mOverlays.containsKey(pkg.packageName) && 8480 !pkg.packageName.equals("android")) { 8481 // This is a regular package, with one or more known overlay packages. 8482 createIdmapsForPackageLI(pkg); 8483 } 8484 } 8485 8486 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8487 8488 if (createIdmapFailed) { 8489 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 8490 "scanPackageLI failed to createIdmap"); 8491 } 8492 return pkg; 8493 } 8494 8495 /** 8496 * Derive the ABI of a non-system package located at {@code scanFile}. This information 8497 * is derived purely on the basis of the contents of {@code scanFile} and 8498 * {@code cpuAbiOverride}. 8499 * 8500 * If {@code extractLibs} is true, native libraries are extracted from the app if required. 8501 */ 8502 private void derivePackageAbi(PackageParser.Package pkg, File scanFile, 8503 String cpuAbiOverride, boolean extractLibs) 8504 throws PackageManagerException { 8505 // TODO: We can probably be smarter about this stuff. For installed apps, 8506 // we can calculate this information at install time once and for all. For 8507 // system apps, we can probably assume that this information doesn't change 8508 // after the first boot scan. As things stand, we do lots of unnecessary work. 8509 8510 // Give ourselves some initial paths; we'll come back for another 8511 // pass once we've determined ABI below. 8512 setNativeLibraryPaths(pkg); 8513 8514 // We would never need to extract libs for forward-locked and external packages, 8515 // since the container service will do it for us. We shouldn't attempt to 8516 // extract libs from system app when it was not updated. 8517 if (pkg.isForwardLocked() || pkg.applicationInfo.isExternalAsec() || 8518 (isSystemApp(pkg) && !pkg.isUpdatedSystemApp())) { 8519 extractLibs = false; 8520 } 8521 8522 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 8523 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 8524 8525 NativeLibraryHelper.Handle handle = null; 8526 try { 8527 handle = NativeLibraryHelper.Handle.create(pkg); 8528 // TODO(multiArch): This can be null for apps that didn't go through the 8529 // usual installation process. We can calculate it again, like we 8530 // do during install time. 8531 // 8532 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 8533 // unnecessary. 8534 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 8535 8536 // Null out the abis so that they can be recalculated. 8537 pkg.applicationInfo.primaryCpuAbi = null; 8538 pkg.applicationInfo.secondaryCpuAbi = null; 8539 if (isMultiArch(pkg.applicationInfo)) { 8540 // Warn if we've set an abiOverride for multi-lib packages.. 8541 // By definition, we need to copy both 32 and 64 bit libraries for 8542 // such packages. 8543 if (pkg.cpuAbiOverride != null 8544 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 8545 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 8546 } 8547 8548 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 8549 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 8550 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 8551 if (extractLibs) { 8552 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 8553 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 8554 useIsaSpecificSubdirs); 8555 } else { 8556 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 8557 } 8558 } 8559 8560 maybeThrowExceptionForMultiArchCopy( 8561 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 8562 8563 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 8564 if (extractLibs) { 8565 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 8566 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 8567 useIsaSpecificSubdirs); 8568 } else { 8569 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 8570 } 8571 } 8572 8573 maybeThrowExceptionForMultiArchCopy( 8574 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 8575 8576 if (abi64 >= 0) { 8577 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 8578 } 8579 8580 if (abi32 >= 0) { 8581 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 8582 if (abi64 >= 0) { 8583 if (cpuAbiOverride == null && pkg.use32bitAbi) { 8584 pkg.applicationInfo.secondaryCpuAbi = pkg.applicationInfo.primaryCpuAbi; 8585 pkg.applicationInfo.primaryCpuAbi = abi; 8586 } else { 8587 pkg.applicationInfo.secondaryCpuAbi = abi; 8588 } 8589 } else { 8590 pkg.applicationInfo.primaryCpuAbi = abi; 8591 } 8592 } 8593 8594 } else { 8595 String[] abiList = (cpuAbiOverride != null) ? 8596 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 8597 8598 // Enable gross and lame hacks for apps that are built with old 8599 // SDK tools. We must scan their APKs for renderscript bitcode and 8600 // not launch them if it's present. Don't bother checking on devices 8601 // that don't have 64 bit support. 8602 boolean needsRenderScriptOverride = false; 8603 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 8604 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 8605 abiList = Build.SUPPORTED_32_BIT_ABIS; 8606 needsRenderScriptOverride = true; 8607 } 8608 8609 final int copyRet; 8610 if (extractLibs) { 8611 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 8612 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 8613 } else { 8614 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 8615 } 8616 8617 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 8618 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 8619 "Error unpackaging native libs for app, errorCode=" + copyRet); 8620 } 8621 8622 if (copyRet >= 0) { 8623 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 8624 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 8625 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 8626 } else if (needsRenderScriptOverride) { 8627 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 8628 } 8629 } 8630 } catch (IOException ioe) { 8631 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 8632 } finally { 8633 IoUtils.closeQuietly(handle); 8634 } 8635 8636 // Now that we've calculated the ABIs and determined if it's an internal app, 8637 // we will go ahead and populate the nativeLibraryPath. 8638 setNativeLibraryPaths(pkg); 8639 } 8640 8641 /** 8642 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 8643 * i.e, so that all packages can be run inside a single process if required. 8644 * 8645 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 8646 * this function will either try and make the ABI for all packages in {@code packagesForUser} 8647 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 8648 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 8649 * updating a package that belongs to a shared user. 8650 * 8651 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 8652 * adds unnecessary complexity. 8653 */ 8654 private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 8655 PackageParser.Package scannedPackage, boolean bootComplete) { 8656 String requiredInstructionSet = null; 8657 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 8658 requiredInstructionSet = VMRuntime.getInstructionSet( 8659 scannedPackage.applicationInfo.primaryCpuAbi); 8660 } 8661 8662 PackageSetting requirer = null; 8663 for (PackageSetting ps : packagesForUser) { 8664 // If packagesForUser contains scannedPackage, we skip it. This will happen 8665 // when scannedPackage is an update of an existing package. Without this check, 8666 // we will never be able to change the ABI of any package belonging to a shared 8667 // user, even if it's compatible with other packages. 8668 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 8669 if (ps.primaryCpuAbiString == null) { 8670 continue; 8671 } 8672 8673 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 8674 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 8675 // We have a mismatch between instruction sets (say arm vs arm64) warn about 8676 // this but there's not much we can do. 8677 String errorMessage = "Instruction set mismatch, " 8678 + ((requirer == null) ? "[caller]" : requirer) 8679 + " requires " + requiredInstructionSet + " whereas " + ps 8680 + " requires " + instructionSet; 8681 Slog.w(TAG, errorMessage); 8682 } 8683 8684 if (requiredInstructionSet == null) { 8685 requiredInstructionSet = instructionSet; 8686 requirer = ps; 8687 } 8688 } 8689 } 8690 8691 if (requiredInstructionSet != null) { 8692 String adjustedAbi; 8693 if (requirer != null) { 8694 // requirer != null implies that either scannedPackage was null or that scannedPackage 8695 // did not require an ABI, in which case we have to adjust scannedPackage to match 8696 // the ABI of the set (which is the same as requirer's ABI) 8697 adjustedAbi = requirer.primaryCpuAbiString; 8698 if (scannedPackage != null) { 8699 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 8700 } 8701 } else { 8702 // requirer == null implies that we're updating all ABIs in the set to 8703 // match scannedPackage. 8704 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 8705 } 8706 8707 for (PackageSetting ps : packagesForUser) { 8708 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 8709 if (ps.primaryCpuAbiString != null) { 8710 continue; 8711 } 8712 8713 ps.primaryCpuAbiString = adjustedAbi; 8714 if (ps.pkg != null && ps.pkg.applicationInfo != null && 8715 !TextUtils.equals(adjustedAbi, ps.pkg.applicationInfo.primaryCpuAbi)) { 8716 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 8717 Slog.i(TAG, "Adjusting ABI for " + ps.name + " to " + adjustedAbi 8718 + " (requirer=" 8719 + (requirer == null ? "null" : requirer.pkg.packageName) 8720 + ", scannedPackage=" 8721 + (scannedPackage != null ? scannedPackage.packageName : "null") 8722 + ")"); 8723 try { 8724 mInstaller.rmdex(ps.codePathString, 8725 getDexCodeInstructionSet(getPreferredInstructionSet())); 8726 } catch (InstallerException ignored) { 8727 } 8728 } 8729 } 8730 } 8731 } 8732 } 8733 8734 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 8735 synchronized (mPackages) { 8736 mResolverReplaced = true; 8737 // Set up information for custom user intent resolution activity. 8738 mResolveActivity.applicationInfo = pkg.applicationInfo; 8739 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 8740 mResolveActivity.packageName = pkg.applicationInfo.packageName; 8741 mResolveActivity.processName = pkg.applicationInfo.packageName; 8742 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 8743 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 8744 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 8745 mResolveActivity.theme = 0; 8746 mResolveActivity.exported = true; 8747 mResolveActivity.enabled = true; 8748 mResolveInfo.activityInfo = mResolveActivity; 8749 mResolveInfo.priority = 0; 8750 mResolveInfo.preferredOrder = 0; 8751 mResolveInfo.match = 0; 8752 mResolveComponentName = mCustomResolverComponentName; 8753 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 8754 mResolveComponentName); 8755 } 8756 } 8757 8758 private void setUpEphemeralInstallerActivityLP(ComponentName installerComponent) { 8759 final PackageParser.Package pkg = mPackages.get(installerComponent.getPackageName()); 8760 8761 // Set up information for ephemeral installer activity 8762 mEphemeralInstallerActivity.applicationInfo = pkg.applicationInfo; 8763 mEphemeralInstallerActivity.name = mEphemeralInstallerComponent.getClassName(); 8764 mEphemeralInstallerActivity.packageName = pkg.applicationInfo.packageName; 8765 mEphemeralInstallerActivity.processName = pkg.applicationInfo.packageName; 8766 mEphemeralInstallerActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 8767 mEphemeralInstallerActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 8768 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 8769 mEphemeralInstallerActivity.theme = 0; 8770 mEphemeralInstallerActivity.exported = true; 8771 mEphemeralInstallerActivity.enabled = true; 8772 mEphemeralInstallerInfo.activityInfo = mEphemeralInstallerActivity; 8773 mEphemeralInstallerInfo.priority = 0; 8774 mEphemeralInstallerInfo.preferredOrder = 0; 8775 mEphemeralInstallerInfo.match = 0; 8776 8777 if (DEBUG_EPHEMERAL) { 8778 Slog.d(TAG, "Set ephemeral installer activity: " + mEphemeralInstallerComponent); 8779 } 8780 } 8781 8782 private static String calculateBundledApkRoot(final String codePathString) { 8783 final File codePath = new File(codePathString); 8784 final File codeRoot; 8785 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 8786 codeRoot = Environment.getRootDirectory(); 8787 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 8788 codeRoot = Environment.getOemDirectory(); 8789 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 8790 codeRoot = Environment.getVendorDirectory(); 8791 } else { 8792 // Unrecognized code path; take its top real segment as the apk root: 8793 // e.g. /something/app/blah.apk => /something 8794 try { 8795 File f = codePath.getCanonicalFile(); 8796 File parent = f.getParentFile(); // non-null because codePath is a file 8797 File tmp; 8798 while ((tmp = parent.getParentFile()) != null) { 8799 f = parent; 8800 parent = tmp; 8801 } 8802 codeRoot = f; 8803 Slog.w(TAG, "Unrecognized code path " 8804 + codePath + " - using " + codeRoot); 8805 } catch (IOException e) { 8806 // Can't canonicalize the code path -- shenanigans? 8807 Slog.w(TAG, "Can't canonicalize code path " + codePath); 8808 return Environment.getRootDirectory().getPath(); 8809 } 8810 } 8811 return codeRoot.getPath(); 8812 } 8813 8814 /** 8815 * Derive and set the location of native libraries for the given package, 8816 * which varies depending on where and how the package was installed. 8817 */ 8818 private void setNativeLibraryPaths(PackageParser.Package pkg) { 8819 final ApplicationInfo info = pkg.applicationInfo; 8820 final String codePath = pkg.codePath; 8821 final File codeFile = new File(codePath); 8822 final boolean bundledApp = info.isSystemApp() && !info.isUpdatedSystemApp(); 8823 final boolean asecApp = info.isForwardLocked() || info.isExternalAsec(); 8824 8825 info.nativeLibraryRootDir = null; 8826 info.nativeLibraryRootRequiresIsa = false; 8827 info.nativeLibraryDir = null; 8828 info.secondaryNativeLibraryDir = null; 8829 8830 if (isApkFile(codeFile)) { 8831 // Monolithic install 8832 if (bundledApp) { 8833 // If "/system/lib64/apkname" exists, assume that is the per-package 8834 // native library directory to use; otherwise use "/system/lib/apkname". 8835 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 8836 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 8837 getPrimaryInstructionSet(info)); 8838 8839 // This is a bundled system app so choose the path based on the ABI. 8840 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 8841 // is just the default path. 8842 final String apkName = deriveCodePathName(codePath); 8843 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 8844 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 8845 apkName).getAbsolutePath(); 8846 8847 if (info.secondaryCpuAbi != null) { 8848 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 8849 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 8850 secondaryLibDir, apkName).getAbsolutePath(); 8851 } 8852 } else if (asecApp) { 8853 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 8854 .getAbsolutePath(); 8855 } else { 8856 final String apkName = deriveCodePathName(codePath); 8857 info.nativeLibraryRootDir = new File(mAppLib32InstallDir, apkName) 8858 .getAbsolutePath(); 8859 } 8860 8861 info.nativeLibraryRootRequiresIsa = false; 8862 info.nativeLibraryDir = info.nativeLibraryRootDir; 8863 } else { 8864 // Cluster install 8865 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 8866 info.nativeLibraryRootRequiresIsa = true; 8867 8868 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 8869 getPrimaryInstructionSet(info)).getAbsolutePath(); 8870 8871 if (info.secondaryCpuAbi != null) { 8872 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 8873 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 8874 } 8875 } 8876 } 8877 8878 /** 8879 * Calculate the abis and roots for a bundled app. These can uniquely 8880 * be determined from the contents of the system partition, i.e whether 8881 * it contains 64 or 32 bit shared libraries etc. We do not validate any 8882 * of this information, and instead assume that the system was built 8883 * sensibly. 8884 */ 8885 private void setBundledAppAbisAndRoots(PackageParser.Package pkg, 8886 PackageSetting pkgSetting) { 8887 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 8888 8889 // If "/system/lib64/apkname" exists, assume that is the per-package 8890 // native library directory to use; otherwise use "/system/lib/apkname". 8891 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 8892 setBundledAppAbi(pkg, apkRoot, apkName); 8893 // pkgSetting might be null during rescan following uninstall of updates 8894 // to a bundled app, so accommodate that possibility. The settings in 8895 // that case will be established later from the parsed package. 8896 // 8897 // If the settings aren't null, sync them up with what we've just derived. 8898 // note that apkRoot isn't stored in the package settings. 8899 if (pkgSetting != null) { 8900 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 8901 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 8902 } 8903 } 8904 8905 /** 8906 * Deduces the ABI of a bundled app and sets the relevant fields on the 8907 * parsed pkg object. 8908 * 8909 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 8910 * under which system libraries are installed. 8911 * @param apkName the name of the installed package. 8912 */ 8913 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 8914 final File codeFile = new File(pkg.codePath); 8915 8916 final boolean has64BitLibs; 8917 final boolean has32BitLibs; 8918 if (isApkFile(codeFile)) { 8919 // Monolithic install 8920 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 8921 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 8922 } else { 8923 // Cluster install 8924 final File rootDir = new File(codeFile, LIB_DIR_NAME); 8925 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 8926 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 8927 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 8928 has64BitLibs = (new File(rootDir, isa)).exists(); 8929 } else { 8930 has64BitLibs = false; 8931 } 8932 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 8933 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 8934 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 8935 has32BitLibs = (new File(rootDir, isa)).exists(); 8936 } else { 8937 has32BitLibs = false; 8938 } 8939 } 8940 8941 if (has64BitLibs && !has32BitLibs) { 8942 // The package has 64 bit libs, but not 32 bit libs. Its primary 8943 // ABI should be 64 bit. We can safely assume here that the bundled 8944 // native libraries correspond to the most preferred ABI in the list. 8945 8946 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 8947 pkg.applicationInfo.secondaryCpuAbi = null; 8948 } else if (has32BitLibs && !has64BitLibs) { 8949 // The package has 32 bit libs but not 64 bit libs. Its primary 8950 // ABI should be 32 bit. 8951 8952 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 8953 pkg.applicationInfo.secondaryCpuAbi = null; 8954 } else if (has32BitLibs && has64BitLibs) { 8955 // The application has both 64 and 32 bit bundled libraries. We check 8956 // here that the app declares multiArch support, and warn if it doesn't. 8957 // 8958 // We will be lenient here and record both ABIs. The primary will be the 8959 // ABI that's higher on the list, i.e, a device that's configured to prefer 8960 // 64 bit apps will see a 64 bit primary ABI, 8961 8962 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 8963 Slog.e(TAG, "Package " + pkg + " has multiple bundled libs, but is not multiarch."); 8964 } 8965 8966 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 8967 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 8968 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 8969 } else { 8970 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 8971 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 8972 } 8973 } else { 8974 pkg.applicationInfo.primaryCpuAbi = null; 8975 pkg.applicationInfo.secondaryCpuAbi = null; 8976 } 8977 } 8978 8979 private void killPackage(PackageParser.Package pkg, String reason) { 8980 // Kill the parent package 8981 killApplication(pkg.packageName, pkg.applicationInfo.uid, reason); 8982 // Kill the child packages 8983 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8984 for (int i = 0; i < childCount; i++) { 8985 PackageParser.Package childPkg = pkg.childPackages.get(i); 8986 killApplication(childPkg.packageName, childPkg.applicationInfo.uid, reason); 8987 } 8988 } 8989 8990 private void killApplication(String pkgName, int appId, String reason) { 8991 // Request the ActivityManager to kill the process(only for existing packages) 8992 // so that we do not end up in a confused state while the user is still using the older 8993 // version of the application while the new one gets installed. 8994 IActivityManager am = ActivityManagerNative.getDefault(); 8995 if (am != null) { 8996 try { 8997 am.killApplicationWithAppId(pkgName, appId, reason); 8998 } catch (RemoteException e) { 8999 } 9000 } 9001 } 9002 9003 private void removePackageLI(PackageParser.Package pkg, boolean chatty) { 9004 // Remove the parent package setting 9005 PackageSetting ps = (PackageSetting) pkg.mExtras; 9006 if (ps != null) { 9007 removePackageLI(ps, chatty); 9008 } 9009 // Remove the child package setting 9010 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9011 for (int i = 0; i < childCount; i++) { 9012 PackageParser.Package childPkg = pkg.childPackages.get(i); 9013 ps = (PackageSetting) childPkg.mExtras; 9014 if (ps != null) { 9015 removePackageLI(ps, chatty); 9016 } 9017 } 9018 } 9019 9020 void removePackageLI(PackageSetting ps, boolean chatty) { 9021 if (DEBUG_INSTALL) { 9022 if (chatty) 9023 Log.d(TAG, "Removing package " + ps.name); 9024 } 9025 9026 // writer 9027 synchronized (mPackages) { 9028 mPackages.remove(ps.name); 9029 final PackageParser.Package pkg = ps.pkg; 9030 if (pkg != null) { 9031 cleanPackageDataStructuresLILPw(pkg, chatty); 9032 } 9033 } 9034 } 9035 9036 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 9037 if (DEBUG_INSTALL) { 9038 if (chatty) 9039 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 9040 } 9041 9042 // writer 9043 synchronized (mPackages) { 9044 // Remove the parent package 9045 mPackages.remove(pkg.applicationInfo.packageName); 9046 cleanPackageDataStructuresLILPw(pkg, chatty); 9047 9048 // Remove the child packages 9049 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9050 for (int i = 0; i < childCount; i++) { 9051 PackageParser.Package childPkg = pkg.childPackages.get(i); 9052 mPackages.remove(childPkg.applicationInfo.packageName); 9053 cleanPackageDataStructuresLILPw(childPkg, chatty); 9054 } 9055 } 9056 } 9057 9058 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 9059 int N = pkg.providers.size(); 9060 StringBuilder r = null; 9061 int i; 9062 for (i=0; i<N; i++) { 9063 PackageParser.Provider p = pkg.providers.get(i); 9064 mProviders.removeProvider(p); 9065 if (p.info.authority == null) { 9066 9067 /* There was another ContentProvider with this authority when 9068 * this app was installed so this authority is null, 9069 * Ignore it as we don't have to unregister the provider. 9070 */ 9071 continue; 9072 } 9073 String names[] = p.info.authority.split(";"); 9074 for (int j = 0; j < names.length; j++) { 9075 if (mProvidersByAuthority.get(names[j]) == p) { 9076 mProvidersByAuthority.remove(names[j]); 9077 if (DEBUG_REMOVE) { 9078 if (chatty) 9079 Log.d(TAG, "Unregistered content provider: " + names[j] 9080 + ", className = " + p.info.name + ", isSyncable = " 9081 + p.info.isSyncable); 9082 } 9083 } 9084 } 9085 if (DEBUG_REMOVE && chatty) { 9086 if (r == null) { 9087 r = new StringBuilder(256); 9088 } else { 9089 r.append(' '); 9090 } 9091 r.append(p.info.name); 9092 } 9093 } 9094 if (r != null) { 9095 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 9096 } 9097 9098 N = pkg.services.size(); 9099 r = null; 9100 for (i=0; i<N; i++) { 9101 PackageParser.Service s = pkg.services.get(i); 9102 mServices.removeService(s); 9103 if (chatty) { 9104 if (r == null) { 9105 r = new StringBuilder(256); 9106 } else { 9107 r.append(' '); 9108 } 9109 r.append(s.info.name); 9110 } 9111 } 9112 if (r != null) { 9113 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 9114 } 9115 9116 N = pkg.receivers.size(); 9117 r = null; 9118 for (i=0; i<N; i++) { 9119 PackageParser.Activity a = pkg.receivers.get(i); 9120 mReceivers.removeActivity(a, "receiver"); 9121 if (DEBUG_REMOVE && chatty) { 9122 if (r == null) { 9123 r = new StringBuilder(256); 9124 } else { 9125 r.append(' '); 9126 } 9127 r.append(a.info.name); 9128 } 9129 } 9130 if (r != null) { 9131 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 9132 } 9133 9134 N = pkg.activities.size(); 9135 r = null; 9136 for (i=0; i<N; i++) { 9137 PackageParser.Activity a = pkg.activities.get(i); 9138 mActivities.removeActivity(a, "activity"); 9139 if (DEBUG_REMOVE && chatty) { 9140 if (r == null) { 9141 r = new StringBuilder(256); 9142 } else { 9143 r.append(' '); 9144 } 9145 r.append(a.info.name); 9146 } 9147 } 9148 if (r != null) { 9149 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 9150 } 9151 9152 N = pkg.permissions.size(); 9153 r = null; 9154 for (i=0; i<N; i++) { 9155 PackageParser.Permission p = pkg.permissions.get(i); 9156 BasePermission bp = mSettings.mPermissions.get(p.info.name); 9157 if (bp == null) { 9158 bp = mSettings.mPermissionTrees.get(p.info.name); 9159 } 9160 if (bp != null && bp.perm == p) { 9161 bp.perm = null; 9162 if (DEBUG_REMOVE && chatty) { 9163 if (r == null) { 9164 r = new StringBuilder(256); 9165 } else { 9166 r.append(' '); 9167 } 9168 r.append(p.info.name); 9169 } 9170 } 9171 if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9172 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(p.info.name); 9173 if (appOpPkgs != null) { 9174 appOpPkgs.remove(pkg.packageName); 9175 } 9176 } 9177 } 9178 if (r != null) { 9179 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 9180 } 9181 9182 N = pkg.requestedPermissions.size(); 9183 r = null; 9184 for (i=0; i<N; i++) { 9185 String perm = pkg.requestedPermissions.get(i); 9186 BasePermission bp = mSettings.mPermissions.get(perm); 9187 if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9188 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(perm); 9189 if (appOpPkgs != null) { 9190 appOpPkgs.remove(pkg.packageName); 9191 if (appOpPkgs.isEmpty()) { 9192 mAppOpPermissionPackages.remove(perm); 9193 } 9194 } 9195 } 9196 } 9197 if (r != null) { 9198 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 9199 } 9200 9201 N = pkg.instrumentation.size(); 9202 r = null; 9203 for (i=0; i<N; i++) { 9204 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 9205 mInstrumentation.remove(a.getComponentName()); 9206 if (DEBUG_REMOVE && chatty) { 9207 if (r == null) { 9208 r = new StringBuilder(256); 9209 } else { 9210 r.append(' '); 9211 } 9212 r.append(a.info.name); 9213 } 9214 } 9215 if (r != null) { 9216 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 9217 } 9218 9219 r = null; 9220 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 9221 // Only system apps can hold shared libraries. 9222 if (pkg.libraryNames != null) { 9223 for (i=0; i<pkg.libraryNames.size(); i++) { 9224 String name = pkg.libraryNames.get(i); 9225 SharedLibraryEntry cur = mSharedLibraries.get(name); 9226 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 9227 mSharedLibraries.remove(name); 9228 if (DEBUG_REMOVE && chatty) { 9229 if (r == null) { 9230 r = new StringBuilder(256); 9231 } else { 9232 r.append(' '); 9233 } 9234 r.append(name); 9235 } 9236 } 9237 } 9238 } 9239 } 9240 if (r != null) { 9241 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 9242 } 9243 } 9244 9245 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 9246 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 9247 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 9248 return true; 9249 } 9250 } 9251 return false; 9252 } 9253 9254 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 9255 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 9256 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 9257 9258 private void updatePermissionsLPw(PackageParser.Package pkg, int flags) { 9259 // Update the parent permissions 9260 updatePermissionsLPw(pkg.packageName, pkg, flags); 9261 // Update the child permissions 9262 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9263 for (int i = 0; i < childCount; i++) { 9264 PackageParser.Package childPkg = pkg.childPackages.get(i); 9265 updatePermissionsLPw(childPkg.packageName, childPkg, flags); 9266 } 9267 } 9268 9269 private void updatePermissionsLPw(String changingPkg, PackageParser.Package pkgInfo, 9270 int flags) { 9271 final String volumeUuid = (pkgInfo != null) ? getVolumeUuidForPackage(pkgInfo) : null; 9272 updatePermissionsLPw(changingPkg, pkgInfo, volumeUuid, flags); 9273 } 9274 9275 private void updatePermissionsLPw(String changingPkg, 9276 PackageParser.Package pkgInfo, String replaceVolumeUuid, int flags) { 9277 // Make sure there are no dangling permission trees. 9278 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 9279 while (it.hasNext()) { 9280 final BasePermission bp = it.next(); 9281 if (bp.packageSetting == null) { 9282 // We may not yet have parsed the package, so just see if 9283 // we still know about its settings. 9284 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 9285 } 9286 if (bp.packageSetting == null) { 9287 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 9288 + " from package " + bp.sourcePackage); 9289 it.remove(); 9290 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 9291 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 9292 Slog.i(TAG, "Removing old permission tree: " + bp.name 9293 + " from package " + bp.sourcePackage); 9294 flags |= UPDATE_PERMISSIONS_ALL; 9295 it.remove(); 9296 } 9297 } 9298 } 9299 9300 // Make sure all dynamic permissions have been assigned to a package, 9301 // and make sure there are no dangling permissions. 9302 it = mSettings.mPermissions.values().iterator(); 9303 while (it.hasNext()) { 9304 final BasePermission bp = it.next(); 9305 if (bp.type == BasePermission.TYPE_DYNAMIC) { 9306 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 9307 + bp.name + " pkg=" + bp.sourcePackage 9308 + " info=" + bp.pendingInfo); 9309 if (bp.packageSetting == null && bp.pendingInfo != null) { 9310 final BasePermission tree = findPermissionTreeLP(bp.name); 9311 if (tree != null && tree.perm != null) { 9312 bp.packageSetting = tree.packageSetting; 9313 bp.perm = new PackageParser.Permission(tree.perm.owner, 9314 new PermissionInfo(bp.pendingInfo)); 9315 bp.perm.info.packageName = tree.perm.info.packageName; 9316 bp.perm.info.name = bp.name; 9317 bp.uid = tree.uid; 9318 } 9319 } 9320 } 9321 if (bp.packageSetting == null) { 9322 // We may not yet have parsed the package, so just see if 9323 // we still know about its settings. 9324 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 9325 } 9326 if (bp.packageSetting == null) { 9327 Slog.w(TAG, "Removing dangling permission: " + bp.name 9328 + " from package " + bp.sourcePackage); 9329 it.remove(); 9330 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 9331 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 9332 Slog.i(TAG, "Removing old permission: " + bp.name 9333 + " from package " + bp.sourcePackage); 9334 flags |= UPDATE_PERMISSIONS_ALL; 9335 it.remove(); 9336 } 9337 } 9338 } 9339 9340 // Now update the permissions for all packages, in particular 9341 // replace the granted permissions of the system packages. 9342 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 9343 for (PackageParser.Package pkg : mPackages.values()) { 9344 if (pkg != pkgInfo) { 9345 // Only replace for packages on requested volume 9346 final String volumeUuid = getVolumeUuidForPackage(pkg); 9347 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_ALL) != 0) 9348 && Objects.equals(replaceVolumeUuid, volumeUuid); 9349 grantPermissionsLPw(pkg, replace, changingPkg); 9350 } 9351 } 9352 } 9353 9354 if (pkgInfo != null) { 9355 // Only replace for packages on requested volume 9356 final String volumeUuid = getVolumeUuidForPackage(pkgInfo); 9357 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_PKG) != 0) 9358 && Objects.equals(replaceVolumeUuid, volumeUuid); 9359 grantPermissionsLPw(pkgInfo, replace, changingPkg); 9360 } 9361 } 9362 9363 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace, 9364 String packageOfInterest) { 9365 // IMPORTANT: There are two types of permissions: install and runtime. 9366 // Install time permissions are granted when the app is installed to 9367 // all device users and users added in the future. Runtime permissions 9368 // are granted at runtime explicitly to specific users. Normal and signature 9369 // protected permissions are install time permissions. Dangerous permissions 9370 // are install permissions if the app's target SDK is Lollipop MR1 or older, 9371 // otherwise they are runtime permissions. This function does not manage 9372 // runtime permissions except for the case an app targeting Lollipop MR1 9373 // being upgraded to target a newer SDK, in which case dangerous permissions 9374 // are transformed from install time to runtime ones. 9375 9376 final PackageSetting ps = (PackageSetting) pkg.mExtras; 9377 if (ps == null) { 9378 return; 9379 } 9380 9381 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "grantPermissions"); 9382 9383 PermissionsState permissionsState = ps.getPermissionsState(); 9384 PermissionsState origPermissions = permissionsState; 9385 9386 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 9387 9388 boolean runtimePermissionsRevoked = false; 9389 int[] changedRuntimePermissionUserIds = EMPTY_INT_ARRAY; 9390 9391 boolean changedInstallPermission = false; 9392 9393 if (replace) { 9394 ps.installPermissionsFixed = false; 9395 if (!ps.isSharedUser()) { 9396 origPermissions = new PermissionsState(permissionsState); 9397 permissionsState.reset(); 9398 } else { 9399 // We need to know only about runtime permission changes since the 9400 // calling code always writes the install permissions state but 9401 // the runtime ones are written only if changed. The only cases of 9402 // changed runtime permissions here are promotion of an install to 9403 // runtime and revocation of a runtime from a shared user. 9404 changedRuntimePermissionUserIds = revokeUnusedSharedUserPermissionsLPw( 9405 ps.sharedUser, UserManagerService.getInstance().getUserIds()); 9406 if (!ArrayUtils.isEmpty(changedRuntimePermissionUserIds)) { 9407 runtimePermissionsRevoked = true; 9408 } 9409 } 9410 } 9411 9412 permissionsState.setGlobalGids(mGlobalGids); 9413 9414 final int N = pkg.requestedPermissions.size(); 9415 for (int i=0; i<N; i++) { 9416 final String name = pkg.requestedPermissions.get(i); 9417 final BasePermission bp = mSettings.mPermissions.get(name); 9418 9419 if (DEBUG_INSTALL) { 9420 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 9421 } 9422 9423 if (bp == null || bp.packageSetting == null) { 9424 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 9425 Slog.w(TAG, "Unknown permission " + name 9426 + " in package " + pkg.packageName); 9427 } 9428 continue; 9429 } 9430 9431 final String perm = bp.name; 9432 boolean allowedSig = false; 9433 int grant = GRANT_DENIED; 9434 9435 // Keep track of app op permissions. 9436 if ((bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9437 ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name); 9438 if (pkgs == null) { 9439 pkgs = new ArraySet<>(); 9440 mAppOpPermissionPackages.put(bp.name, pkgs); 9441 } 9442 pkgs.add(pkg.packageName); 9443 } 9444 9445 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 9446 final boolean appSupportsRuntimePermissions = pkg.applicationInfo.targetSdkVersion 9447 >= Build.VERSION_CODES.M; 9448 switch (level) { 9449 case PermissionInfo.PROTECTION_NORMAL: { 9450 // For all apps normal permissions are install time ones. 9451 grant = GRANT_INSTALL; 9452 } break; 9453 9454 case PermissionInfo.PROTECTION_DANGEROUS: { 9455 // If a permission review is required for legacy apps we represent 9456 // their permissions as always granted runtime ones since we need 9457 // to keep the review required permission flag per user while an 9458 // install permission's state is shared across all users. 9459 if (!appSupportsRuntimePermissions && !Build.PERMISSIONS_REVIEW_REQUIRED) { 9460 // For legacy apps dangerous permissions are install time ones. 9461 grant = GRANT_INSTALL; 9462 } else if (origPermissions.hasInstallPermission(bp.name)) { 9463 // For legacy apps that became modern, install becomes runtime. 9464 grant = GRANT_UPGRADE; 9465 } else if (mPromoteSystemApps 9466 && isSystemApp(ps) 9467 && mExistingSystemPackages.contains(ps.name)) { 9468 // For legacy system apps, install becomes runtime. 9469 // We cannot check hasInstallPermission() for system apps since those 9470 // permissions were granted implicitly and not persisted pre-M. 9471 grant = GRANT_UPGRADE; 9472 } else { 9473 // For modern apps keep runtime permissions unchanged. 9474 grant = GRANT_RUNTIME; 9475 } 9476 } break; 9477 9478 case PermissionInfo.PROTECTION_SIGNATURE: { 9479 // For all apps signature permissions are install time ones. 9480 allowedSig = grantSignaturePermission(perm, pkg, bp, origPermissions); 9481 if (allowedSig) { 9482 grant = GRANT_INSTALL; 9483 } 9484 } break; 9485 } 9486 9487 if (DEBUG_INSTALL) { 9488 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 9489 } 9490 9491 if (grant != GRANT_DENIED) { 9492 if (!isSystemApp(ps) && ps.installPermissionsFixed) { 9493 // If this is an existing, non-system package, then 9494 // we can't add any new permissions to it. 9495 if (!allowedSig && !origPermissions.hasInstallPermission(perm)) { 9496 // Except... if this is a permission that was added 9497 // to the platform (note: need to only do this when 9498 // updating the platform). 9499 if (!isNewPlatformPermissionForPackage(perm, pkg)) { 9500 grant = GRANT_DENIED; 9501 } 9502 } 9503 } 9504 9505 switch (grant) { 9506 case GRANT_INSTALL: { 9507 // Revoke this as runtime permission to handle the case of 9508 // a runtime permission being downgraded to an install one. Also in permission review mode we keep dangerous permissions for legacy apps 9509 for (int userId : UserManagerService.getInstance().getUserIds()) { 9510 if (origPermissions.getRuntimePermissionState( 9511 bp.name, userId) != null) { 9512 // Revoke the runtime permission and clear the flags. 9513 origPermissions.revokeRuntimePermission(bp, userId); 9514 origPermissions.updatePermissionFlags(bp, userId, 9515 PackageManager.MASK_PERMISSION_FLAGS, 0); 9516 // If we revoked a permission permission, we have to write. 9517 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9518 changedRuntimePermissionUserIds, userId); 9519 } 9520 } 9521 // Grant an install permission. 9522 if (permissionsState.grantInstallPermission(bp) != 9523 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9524 changedInstallPermission = true; 9525 } 9526 } break; 9527 9528 case GRANT_RUNTIME: { 9529 // Grant previously granted runtime permissions. 9530 for (int userId : UserManagerService.getInstance().getUserIds()) { 9531 PermissionState permissionState = origPermissions 9532 .getRuntimePermissionState(bp.name, userId); 9533 int flags = permissionState != null 9534 ? permissionState.getFlags() : 0; 9535 if (origPermissions.hasRuntimePermission(bp.name, userId)) { 9536 if (permissionsState.grantRuntimePermission(bp, userId) == 9537 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9538 // If we cannot put the permission as it was, we have to write. 9539 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9540 changedRuntimePermissionUserIds, userId); 9541 } 9542 // If the app supports runtime permissions no need for a review. 9543 if (Build.PERMISSIONS_REVIEW_REQUIRED 9544 && appSupportsRuntimePermissions 9545 && (flags & PackageManager 9546 .FLAG_PERMISSION_REVIEW_REQUIRED) != 0) { 9547 flags &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 9548 // Since we changed the flags, we have to write. 9549 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9550 changedRuntimePermissionUserIds, userId); 9551 } 9552 } else if (Build.PERMISSIONS_REVIEW_REQUIRED 9553 && !appSupportsRuntimePermissions) { 9554 // For legacy apps that need a permission review, every new 9555 // runtime permission is granted but it is pending a review. 9556 if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 9557 permissionsState.grantRuntimePermission(bp, userId); 9558 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 9559 // We changed the permission and flags, hence have to write. 9560 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9561 changedRuntimePermissionUserIds, userId); 9562 } 9563 } 9564 // Propagate the permission flags. 9565 permissionsState.updatePermissionFlags(bp, userId, flags, flags); 9566 } 9567 } break; 9568 9569 case GRANT_UPGRADE: { 9570 // Grant runtime permissions for a previously held install permission. 9571 PermissionState permissionState = origPermissions 9572 .getInstallPermissionState(bp.name); 9573 final int flags = permissionState != null ? permissionState.getFlags() : 0; 9574 9575 if (origPermissions.revokeInstallPermission(bp) 9576 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 9577 // We will be transferring the permission flags, so clear them. 9578 origPermissions.updatePermissionFlags(bp, UserHandle.USER_ALL, 9579 PackageManager.MASK_PERMISSION_FLAGS, 0); 9580 changedInstallPermission = true; 9581 } 9582 9583 // If the permission is not to be promoted to runtime we ignore it and 9584 // also its other flags as they are not applicable to install permissions. 9585 if ((flags & PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE) == 0) { 9586 for (int userId : currentUserIds) { 9587 if (permissionsState.grantRuntimePermission(bp, userId) != 9588 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9589 // Transfer the permission flags. 9590 permissionsState.updatePermissionFlags(bp, userId, 9591 flags, flags); 9592 // If we granted the permission, we have to write. 9593 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9594 changedRuntimePermissionUserIds, userId); 9595 } 9596 } 9597 } 9598 } break; 9599 9600 default: { 9601 if (packageOfInterest == null 9602 || packageOfInterest.equals(pkg.packageName)) { 9603 Slog.w(TAG, "Not granting permission " + perm 9604 + " to package " + pkg.packageName 9605 + " because it was previously installed without"); 9606 } 9607 } break; 9608 } 9609 } else { 9610 if (permissionsState.revokeInstallPermission(bp) != 9611 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9612 // Also drop the permission flags. 9613 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 9614 PackageManager.MASK_PERMISSION_FLAGS, 0); 9615 changedInstallPermission = true; 9616 Slog.i(TAG, "Un-granting permission " + perm 9617 + " from package " + pkg.packageName 9618 + " (protectionLevel=" + bp.protectionLevel 9619 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 9620 + ")"); 9621 } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) { 9622 // Don't print warning for app op permissions, since it is fine for them 9623 // not to be granted, there is a UI for the user to decide. 9624 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 9625 Slog.w(TAG, "Not granting permission " + perm 9626 + " to package " + pkg.packageName 9627 + " (protectionLevel=" + bp.protectionLevel 9628 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 9629 + ")"); 9630 } 9631 } 9632 } 9633 } 9634 9635 if ((changedInstallPermission || replace) && !ps.installPermissionsFixed && 9636 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 9637 // This is the first that we have heard about this package, so the 9638 // permissions we have now selected are fixed until explicitly 9639 // changed. 9640 ps.installPermissionsFixed = true; 9641 } 9642 9643 // Persist the runtime permissions state for users with changes. If permissions 9644 // were revoked because no app in the shared user declares them we have to 9645 // write synchronously to avoid losing runtime permissions state. 9646 for (int userId : changedRuntimePermissionUserIds) { 9647 mSettings.writeRuntimePermissionsForUserLPr(userId, runtimePermissionsRevoked); 9648 } 9649 9650 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9651 } 9652 9653 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 9654 boolean allowed = false; 9655 final int NP = PackageParser.NEW_PERMISSIONS.length; 9656 for (int ip=0; ip<NP; ip++) { 9657 final PackageParser.NewPermissionInfo npi 9658 = PackageParser.NEW_PERMISSIONS[ip]; 9659 if (npi.name.equals(perm) 9660 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 9661 allowed = true; 9662 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 9663 + pkg.packageName); 9664 break; 9665 } 9666 } 9667 return allowed; 9668 } 9669 9670 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 9671 BasePermission bp, PermissionsState origPermissions) { 9672 boolean allowed; 9673 allowed = (compareSignatures( 9674 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 9675 == PackageManager.SIGNATURE_MATCH) 9676 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 9677 == PackageManager.SIGNATURE_MATCH); 9678 if (!allowed && (bp.protectionLevel 9679 & PermissionInfo.PROTECTION_FLAG_PRIVILEGED) != 0) { 9680 if (isSystemApp(pkg)) { 9681 // For updated system applications, a system permission 9682 // is granted only if it had been defined by the original application. 9683 if (pkg.isUpdatedSystemApp()) { 9684 final PackageSetting sysPs = mSettings 9685 .getDisabledSystemPkgLPr(pkg.packageName); 9686 if (sysPs != null && sysPs.getPermissionsState().hasInstallPermission(perm)) { 9687 // If the original was granted this permission, we take 9688 // that grant decision as read and propagate it to the 9689 // update. 9690 if (sysPs.isPrivileged()) { 9691 allowed = true; 9692 } 9693 } else { 9694 // The system apk may have been updated with an older 9695 // version of the one on the data partition, but which 9696 // granted a new system permission that it didn't have 9697 // before. In this case we do want to allow the app to 9698 // now get the new permission if the ancestral apk is 9699 // privileged to get it. 9700 if (sysPs != null && sysPs.pkg != null && sysPs.isPrivileged()) { 9701 for (int j = 0; j < sysPs.pkg.requestedPermissions.size(); j++) { 9702 if (perm.equals(sysPs.pkg.requestedPermissions.get(j))) { 9703 allowed = true; 9704 break; 9705 } 9706 } 9707 } 9708 // Also if a privileged parent package on the system image or any of 9709 // its children requested a privileged permission, the updated child 9710 // packages can also get the permission. 9711 if (pkg.parentPackage != null) { 9712 final PackageSetting disabledSysParentPs = mSettings 9713 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 9714 if (disabledSysParentPs != null && disabledSysParentPs.pkg != null 9715 && disabledSysParentPs.isPrivileged()) { 9716 if (isPackageRequestingPermission(disabledSysParentPs.pkg, perm)) { 9717 allowed = true; 9718 } else if (disabledSysParentPs.pkg.childPackages != null) { 9719 final int count = disabledSysParentPs.pkg.childPackages.size(); 9720 for (int i = 0; i < count; i++) { 9721 PackageParser.Package disabledSysChildPkg = 9722 disabledSysParentPs.pkg.childPackages.get(i); 9723 if (isPackageRequestingPermission(disabledSysChildPkg, 9724 perm)) { 9725 allowed = true; 9726 break; 9727 } 9728 } 9729 } 9730 } 9731 } 9732 } 9733 } else { 9734 allowed = isPrivilegedApp(pkg); 9735 } 9736 } 9737 } 9738 if (!allowed) { 9739 if (!allowed && (bp.protectionLevel 9740 & PermissionInfo.PROTECTION_FLAG_PRE23) != 0 9741 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 9742 // If this was a previously normal/dangerous permission that got moved 9743 // to a system permission as part of the runtime permission redesign, then 9744 // we still want to blindly grant it to old apps. 9745 allowed = true; 9746 } 9747 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_INSTALLER) != 0 9748 && pkg.packageName.equals(mRequiredInstallerPackage)) { 9749 // If this permission is to be granted to the system installer and 9750 // this app is an installer, then it gets the permission. 9751 allowed = true; 9752 } 9753 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_VERIFIER) != 0 9754 && pkg.packageName.equals(mRequiredVerifierPackage)) { 9755 // If this permission is to be granted to the system verifier and 9756 // this app is a verifier, then it gets the permission. 9757 allowed = true; 9758 } 9759 if (!allowed && (bp.protectionLevel 9760 & PermissionInfo.PROTECTION_FLAG_PREINSTALLED) != 0 9761 && isSystemApp(pkg)) { 9762 // Any pre-installed system app is allowed to get this permission. 9763 allowed = true; 9764 } 9765 if (!allowed && (bp.protectionLevel 9766 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 9767 // For development permissions, a development permission 9768 // is granted only if it was already granted. 9769 allowed = origPermissions.hasInstallPermission(perm); 9770 } 9771 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_SETUP) != 0 9772 && pkg.packageName.equals(mSetupWizardPackage)) { 9773 // If this permission is to be granted to the system setup wizard and 9774 // this app is a setup wizard, then it gets the permission. 9775 allowed = true; 9776 } 9777 } 9778 return allowed; 9779 } 9780 9781 private boolean isPackageRequestingPermission(PackageParser.Package pkg, String permission) { 9782 final int permCount = pkg.requestedPermissions.size(); 9783 for (int j = 0; j < permCount; j++) { 9784 String requestedPermission = pkg.requestedPermissions.get(j); 9785 if (permission.equals(requestedPermission)) { 9786 return true; 9787 } 9788 } 9789 return false; 9790 } 9791 9792 final class ActivityIntentResolver 9793 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 9794 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 9795 boolean defaultOnly, int userId) { 9796 if (!sUserManager.exists(userId)) return null; 9797 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 9798 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 9799 } 9800 9801 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 9802 int userId) { 9803 if (!sUserManager.exists(userId)) return null; 9804 mFlags = flags; 9805 return super.queryIntent(intent, resolvedType, 9806 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 9807 } 9808 9809 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 9810 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 9811 if (!sUserManager.exists(userId)) return null; 9812 if (packageActivities == null) { 9813 return null; 9814 } 9815 mFlags = flags; 9816 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 9817 final int N = packageActivities.size(); 9818 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 9819 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 9820 9821 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 9822 for (int i = 0; i < N; ++i) { 9823 intentFilters = packageActivities.get(i).intents; 9824 if (intentFilters != null && intentFilters.size() > 0) { 9825 PackageParser.ActivityIntentInfo[] array = 9826 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 9827 intentFilters.toArray(array); 9828 listCut.add(array); 9829 } 9830 } 9831 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 9832 } 9833 9834 /** 9835 * Finds a privileged activity that matches the specified activity names. 9836 */ 9837 private PackageParser.Activity findMatchingActivity( 9838 List<PackageParser.Activity> activityList, ActivityInfo activityInfo) { 9839 for (PackageParser.Activity sysActivity : activityList) { 9840 if (sysActivity.info.name.equals(activityInfo.name)) { 9841 return sysActivity; 9842 } 9843 if (sysActivity.info.name.equals(activityInfo.targetActivity)) { 9844 return sysActivity; 9845 } 9846 if (sysActivity.info.targetActivity != null) { 9847 if (sysActivity.info.targetActivity.equals(activityInfo.name)) { 9848 return sysActivity; 9849 } 9850 if (sysActivity.info.targetActivity.equals(activityInfo.targetActivity)) { 9851 return sysActivity; 9852 } 9853 } 9854 } 9855 return null; 9856 } 9857 9858 public class IterGenerator<E> { 9859 public Iterator<E> generate(ActivityIntentInfo info) { 9860 return null; 9861 } 9862 } 9863 9864 public class ActionIterGenerator extends IterGenerator<String> { 9865 @Override 9866 public Iterator<String> generate(ActivityIntentInfo info) { 9867 return info.actionsIterator(); 9868 } 9869 } 9870 9871 public class CategoriesIterGenerator extends IterGenerator<String> { 9872 @Override 9873 public Iterator<String> generate(ActivityIntentInfo info) { 9874 return info.categoriesIterator(); 9875 } 9876 } 9877 9878 public class SchemesIterGenerator extends IterGenerator<String> { 9879 @Override 9880 public Iterator<String> generate(ActivityIntentInfo info) { 9881 return info.schemesIterator(); 9882 } 9883 } 9884 9885 public class AuthoritiesIterGenerator extends IterGenerator<IntentFilter.AuthorityEntry> { 9886 @Override 9887 public Iterator<IntentFilter.AuthorityEntry> generate(ActivityIntentInfo info) { 9888 return info.authoritiesIterator(); 9889 } 9890 } 9891 9892 /** 9893 * <em>WARNING</em> for performance reasons, the passed in intentList WILL BE 9894 * MODIFIED. Do not pass in a list that should not be changed. 9895 */ 9896 private <T> void getIntentListSubset(List<ActivityIntentInfo> intentList, 9897 IterGenerator<T> generator, Iterator<T> searchIterator) { 9898 // loop through the set of actions; every one must be found in the intent filter 9899 while (searchIterator.hasNext()) { 9900 // we must have at least one filter in the list to consider a match 9901 if (intentList.size() == 0) { 9902 break; 9903 } 9904 9905 final T searchAction = searchIterator.next(); 9906 9907 // loop through the set of intent filters 9908 final Iterator<ActivityIntentInfo> intentIter = intentList.iterator(); 9909 while (intentIter.hasNext()) { 9910 final ActivityIntentInfo intentInfo = intentIter.next(); 9911 boolean selectionFound = false; 9912 9913 // loop through the intent filter's selection criteria; at least one 9914 // of them must match the searched criteria 9915 final Iterator<T> intentSelectionIter = generator.generate(intentInfo); 9916 while (intentSelectionIter != null && intentSelectionIter.hasNext()) { 9917 final T intentSelection = intentSelectionIter.next(); 9918 if (intentSelection != null && intentSelection.equals(searchAction)) { 9919 selectionFound = true; 9920 break; 9921 } 9922 } 9923 9924 // the selection criteria wasn't found in this filter's set; this filter 9925 // is not a potential match 9926 if (!selectionFound) { 9927 intentIter.remove(); 9928 } 9929 } 9930 } 9931 } 9932 9933 private boolean isProtectedAction(ActivityIntentInfo filter) { 9934 final Iterator<String> actionsIter = filter.actionsIterator(); 9935 while (actionsIter != null && actionsIter.hasNext()) { 9936 final String filterAction = actionsIter.next(); 9937 if (PROTECTED_ACTIONS.contains(filterAction)) { 9938 return true; 9939 } 9940 } 9941 return false; 9942 } 9943 9944 /** 9945 * Adjusts the priority of the given intent filter according to policy. 9946 * <p> 9947 * <ul> 9948 * <li>The priority for non privileged applications is capped to '0'</li> 9949 * <li>The priority for protected actions on privileged applications is capped to '0'</li> 9950 * <li>The priority for unbundled updates to privileged applications is capped to the 9951 * priority defined on the system partition</li> 9952 * </ul> 9953 * <p> 9954 * <em>NOTE:</em> There is one exception. For security reasons, the setup wizard is 9955 * allowed to obtain any priority on any action. 9956 */ 9957 private void adjustPriority( 9958 List<PackageParser.Activity> systemActivities, ActivityIntentInfo intent) { 9959 // nothing to do; priority is fine as-is 9960 if (intent.getPriority() <= 0) { 9961 return; 9962 } 9963 9964 final ActivityInfo activityInfo = intent.activity.info; 9965 final ApplicationInfo applicationInfo = activityInfo.applicationInfo; 9966 9967 final boolean privilegedApp = 9968 ((applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0); 9969 if (!privilegedApp) { 9970 // non-privileged applications can never define a priority >0 9971 Slog.w(TAG, "Non-privileged app; cap priority to 0;" 9972 + " package: " + applicationInfo.packageName 9973 + " activity: " + intent.activity.className 9974 + " origPrio: " + intent.getPriority()); 9975 intent.setPriority(0); 9976 return; 9977 } 9978 9979 if (systemActivities == null) { 9980 // the system package is not disabled; we're parsing the system partition 9981 if (isProtectedAction(intent)) { 9982 if (mDeferProtectedFilters) { 9983 // We can't deal with these just yet. No component should ever obtain a 9984 // >0 priority for a protected actions, with ONE exception -- the setup 9985 // wizard. The setup wizard, however, cannot be known until we're able to 9986 // query it for the category CATEGORY_SETUP_WIZARD. Which we can't do 9987 // until all intent filters have been processed. Chicken, meet egg. 9988 // Let the filter temporarily have a high priority and rectify the 9989 // priorities after all system packages have been scanned. 9990 mProtectedFilters.add(intent); 9991 if (DEBUG_FILTERS) { 9992 Slog.i(TAG, "Protected action; save for later;" 9993 + " package: " + applicationInfo.packageName 9994 + " activity: " + intent.activity.className 9995 + " origPrio: " + intent.getPriority()); 9996 } 9997 return; 9998 } else { 9999 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 10000 Slog.i(TAG, "No setup wizard;" 10001 + " All protected intents capped to priority 0"); 10002 } 10003 if (intent.activity.info.packageName.equals(mSetupWizardPackage)) { 10004 if (DEBUG_FILTERS) { 10005 Slog.i(TAG, "Found setup wizard;" 10006 + " allow priority " + intent.getPriority() + ";" 10007 + " package: " + intent.activity.info.packageName 10008 + " activity: " + intent.activity.className 10009 + " priority: " + intent.getPriority()); 10010 } 10011 // setup wizard gets whatever it wants 10012 return; 10013 } 10014 Slog.w(TAG, "Protected action; cap priority to 0;" 10015 + " package: " + intent.activity.info.packageName 10016 + " activity: " + intent.activity.className 10017 + " origPrio: " + intent.getPriority()); 10018 intent.setPriority(0); 10019 return; 10020 } 10021 } 10022 // privileged apps on the system image get whatever priority they request 10023 return; 10024 } 10025 10026 // privileged app unbundled update ... try to find the same activity 10027 final PackageParser.Activity foundActivity = 10028 findMatchingActivity(systemActivities, activityInfo); 10029 if (foundActivity == null) { 10030 // this is a new activity; it cannot obtain >0 priority 10031 if (DEBUG_FILTERS) { 10032 Slog.i(TAG, "New activity; cap priority to 0;" 10033 + " package: " + applicationInfo.packageName 10034 + " activity: " + intent.activity.className 10035 + " origPrio: " + intent.getPriority()); 10036 } 10037 intent.setPriority(0); 10038 return; 10039 } 10040 10041 // found activity, now check for filter equivalence 10042 10043 // a shallow copy is enough; we modify the list, not its contents 10044 final List<ActivityIntentInfo> intentListCopy = 10045 new ArrayList<>(foundActivity.intents); 10046 final List<ActivityIntentInfo> foundFilters = findFilters(intent); 10047 10048 // find matching action subsets 10049 final Iterator<String> actionsIterator = intent.actionsIterator(); 10050 if (actionsIterator != null) { 10051 getIntentListSubset( 10052 intentListCopy, new ActionIterGenerator(), actionsIterator); 10053 if (intentListCopy.size() == 0) { 10054 // no more intents to match; we're not equivalent 10055 if (DEBUG_FILTERS) { 10056 Slog.i(TAG, "Mismatched action; cap priority to 0;" 10057 + " package: " + applicationInfo.packageName 10058 + " activity: " + intent.activity.className 10059 + " origPrio: " + intent.getPriority()); 10060 } 10061 intent.setPriority(0); 10062 return; 10063 } 10064 } 10065 10066 // find matching category subsets 10067 final Iterator<String> categoriesIterator = intent.categoriesIterator(); 10068 if (categoriesIterator != null) { 10069 getIntentListSubset(intentListCopy, new CategoriesIterGenerator(), 10070 categoriesIterator); 10071 if (intentListCopy.size() == 0) { 10072 // no more intents to match; we're not equivalent 10073 if (DEBUG_FILTERS) { 10074 Slog.i(TAG, "Mismatched category; cap priority to 0;" 10075 + " package: " + applicationInfo.packageName 10076 + " activity: " + intent.activity.className 10077 + " origPrio: " + intent.getPriority()); 10078 } 10079 intent.setPriority(0); 10080 return; 10081 } 10082 } 10083 10084 // find matching schemes subsets 10085 final Iterator<String> schemesIterator = intent.schemesIterator(); 10086 if (schemesIterator != null) { 10087 getIntentListSubset(intentListCopy, new SchemesIterGenerator(), 10088 schemesIterator); 10089 if (intentListCopy.size() == 0) { 10090 // no more intents to match; we're not equivalent 10091 if (DEBUG_FILTERS) { 10092 Slog.i(TAG, "Mismatched scheme; cap priority to 0;" 10093 + " package: " + applicationInfo.packageName 10094 + " activity: " + intent.activity.className 10095 + " origPrio: " + intent.getPriority()); 10096 } 10097 intent.setPriority(0); 10098 return; 10099 } 10100 } 10101 10102 // find matching authorities subsets 10103 final Iterator<IntentFilter.AuthorityEntry> 10104 authoritiesIterator = intent.authoritiesIterator(); 10105 if (authoritiesIterator != null) { 10106 getIntentListSubset(intentListCopy, 10107 new AuthoritiesIterGenerator(), 10108 authoritiesIterator); 10109 if (intentListCopy.size() == 0) { 10110 // no more intents to match; we're not equivalent 10111 if (DEBUG_FILTERS) { 10112 Slog.i(TAG, "Mismatched authority; cap priority to 0;" 10113 + " package: " + applicationInfo.packageName 10114 + " activity: " + intent.activity.className 10115 + " origPrio: " + intent.getPriority()); 10116 } 10117 intent.setPriority(0); 10118 return; 10119 } 10120 } 10121 10122 // we found matching filter(s); app gets the max priority of all intents 10123 int cappedPriority = 0; 10124 for (int i = intentListCopy.size() - 1; i >= 0; --i) { 10125 cappedPriority = Math.max(cappedPriority, intentListCopy.get(i).getPriority()); 10126 } 10127 if (intent.getPriority() > cappedPriority) { 10128 if (DEBUG_FILTERS) { 10129 Slog.i(TAG, "Found matching filter(s);" 10130 + " cap priority to " + cappedPriority + ";" 10131 + " package: " + applicationInfo.packageName 10132 + " activity: " + intent.activity.className 10133 + " origPrio: " + intent.getPriority()); 10134 } 10135 intent.setPriority(cappedPriority); 10136 return; 10137 } 10138 // all this for nothing; the requested priority was <= what was on the system 10139 } 10140 10141 public final void addActivity(PackageParser.Activity a, String type) { 10142 mActivities.put(a.getComponentName(), a); 10143 if (DEBUG_SHOW_INFO) 10144 Log.v( 10145 TAG, " " + type + " " + 10146 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 10147 if (DEBUG_SHOW_INFO) 10148 Log.v(TAG, " Class=" + a.info.name); 10149 final int NI = a.intents.size(); 10150 for (int j=0; j<NI; j++) { 10151 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 10152 if ("activity".equals(type)) { 10153 final PackageSetting ps = 10154 mSettings.getDisabledSystemPkgLPr(intent.activity.info.packageName); 10155 final List<PackageParser.Activity> systemActivities = 10156 ps != null && ps.pkg != null ? ps.pkg.activities : null; 10157 adjustPriority(systemActivities, intent); 10158 } 10159 if (DEBUG_SHOW_INFO) { 10160 Log.v(TAG, " IntentFilter:"); 10161 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10162 } 10163 if (!intent.debugCheck()) { 10164 Log.w(TAG, "==> For Activity " + a.info.name); 10165 } 10166 addFilter(intent); 10167 } 10168 } 10169 10170 public final void removeActivity(PackageParser.Activity a, String type) { 10171 mActivities.remove(a.getComponentName()); 10172 if (DEBUG_SHOW_INFO) { 10173 Log.v(TAG, " " + type + " " 10174 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 10175 : a.info.name) + ":"); 10176 Log.v(TAG, " Class=" + a.info.name); 10177 } 10178 final int NI = a.intents.size(); 10179 for (int j=0; j<NI; j++) { 10180 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 10181 if (DEBUG_SHOW_INFO) { 10182 Log.v(TAG, " IntentFilter:"); 10183 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10184 } 10185 removeFilter(intent); 10186 } 10187 } 10188 10189 @Override 10190 protected boolean allowFilterResult( 10191 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 10192 ActivityInfo filterAi = filter.activity.info; 10193 for (int i=dest.size()-1; i>=0; i--) { 10194 ActivityInfo destAi = dest.get(i).activityInfo; 10195 if (destAi.name == filterAi.name 10196 && destAi.packageName == filterAi.packageName) { 10197 return false; 10198 } 10199 } 10200 return true; 10201 } 10202 10203 @Override 10204 protected ActivityIntentInfo[] newArray(int size) { 10205 return new ActivityIntentInfo[size]; 10206 } 10207 10208 @Override 10209 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 10210 if (!sUserManager.exists(userId)) return true; 10211 PackageParser.Package p = filter.activity.owner; 10212 if (p != null) { 10213 PackageSetting ps = (PackageSetting)p.mExtras; 10214 if (ps != null) { 10215 // System apps are never considered stopped for purposes of 10216 // filtering, because there may be no way for the user to 10217 // actually re-launch them. 10218 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 10219 && ps.getStopped(userId); 10220 } 10221 } 10222 return false; 10223 } 10224 10225 @Override 10226 protected boolean isPackageForFilter(String packageName, 10227 PackageParser.ActivityIntentInfo info) { 10228 return packageName.equals(info.activity.owner.packageName); 10229 } 10230 10231 @Override 10232 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 10233 int match, int userId) { 10234 if (!sUserManager.exists(userId)) return null; 10235 if (!mSettings.isEnabledAndMatchLPr(info.activity.info, mFlags, userId)) { 10236 return null; 10237 } 10238 final PackageParser.Activity activity = info.activity; 10239 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 10240 if (ps == null) { 10241 return null; 10242 } 10243 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 10244 ps.readUserState(userId), userId); 10245 if (ai == null) { 10246 return null; 10247 } 10248 final ResolveInfo res = new ResolveInfo(); 10249 res.activityInfo = ai; 10250 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 10251 res.filter = info; 10252 } 10253 if (info != null) { 10254 res.handleAllWebDataURI = info.handleAllWebDataURI(); 10255 } 10256 res.priority = info.getPriority(); 10257 res.preferredOrder = activity.owner.mPreferredOrder; 10258 //System.out.println("Result: " + res.activityInfo.className + 10259 // " = " + res.priority); 10260 res.match = match; 10261 res.isDefault = info.hasDefault; 10262 res.labelRes = info.labelRes; 10263 res.nonLocalizedLabel = info.nonLocalizedLabel; 10264 if (userNeedsBadging(userId)) { 10265 res.noResourceId = true; 10266 } else { 10267 res.icon = info.icon; 10268 } 10269 res.iconResourceId = info.icon; 10270 res.system = res.activityInfo.applicationInfo.isSystemApp(); 10271 return res; 10272 } 10273 10274 @Override 10275 protected void sortResults(List<ResolveInfo> results) { 10276 Collections.sort(results, mResolvePrioritySorter); 10277 } 10278 10279 @Override 10280 protected void dumpFilter(PrintWriter out, String prefix, 10281 PackageParser.ActivityIntentInfo filter) { 10282 out.print(prefix); out.print( 10283 Integer.toHexString(System.identityHashCode(filter.activity))); 10284 out.print(' '); 10285 filter.activity.printComponentShortName(out); 10286 out.print(" filter "); 10287 out.println(Integer.toHexString(System.identityHashCode(filter))); 10288 } 10289 10290 @Override 10291 protected Object filterToLabel(PackageParser.ActivityIntentInfo filter) { 10292 return filter.activity; 10293 } 10294 10295 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 10296 PackageParser.Activity activity = (PackageParser.Activity)label; 10297 out.print(prefix); out.print( 10298 Integer.toHexString(System.identityHashCode(activity))); 10299 out.print(' '); 10300 activity.printComponentShortName(out); 10301 if (count > 1) { 10302 out.print(" ("); out.print(count); out.print(" filters)"); 10303 } 10304 out.println(); 10305 } 10306 10307 // Keys are String (activity class name), values are Activity. 10308 private final ArrayMap<ComponentName, PackageParser.Activity> mActivities 10309 = new ArrayMap<ComponentName, PackageParser.Activity>(); 10310 private int mFlags; 10311 } 10312 10313 private final class ServiceIntentResolver 10314 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 10315 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 10316 boolean defaultOnly, int userId) { 10317 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 10318 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 10319 } 10320 10321 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 10322 int userId) { 10323 if (!sUserManager.exists(userId)) return null; 10324 mFlags = flags; 10325 return super.queryIntent(intent, resolvedType, 10326 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 10327 } 10328 10329 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 10330 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 10331 if (!sUserManager.exists(userId)) return null; 10332 if (packageServices == null) { 10333 return null; 10334 } 10335 mFlags = flags; 10336 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 10337 final int N = packageServices.size(); 10338 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 10339 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 10340 10341 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 10342 for (int i = 0; i < N; ++i) { 10343 intentFilters = packageServices.get(i).intents; 10344 if (intentFilters != null && intentFilters.size() > 0) { 10345 PackageParser.ServiceIntentInfo[] array = 10346 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 10347 intentFilters.toArray(array); 10348 listCut.add(array); 10349 } 10350 } 10351 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 10352 } 10353 10354 public final void addService(PackageParser.Service s) { 10355 mServices.put(s.getComponentName(), s); 10356 if (DEBUG_SHOW_INFO) { 10357 Log.v(TAG, " " 10358 + (s.info.nonLocalizedLabel != null 10359 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 10360 Log.v(TAG, " Class=" + s.info.name); 10361 } 10362 final int NI = s.intents.size(); 10363 int j; 10364 for (j=0; j<NI; j++) { 10365 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 10366 if (DEBUG_SHOW_INFO) { 10367 Log.v(TAG, " IntentFilter:"); 10368 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10369 } 10370 if (!intent.debugCheck()) { 10371 Log.w(TAG, "==> For Service " + s.info.name); 10372 } 10373 addFilter(intent); 10374 } 10375 } 10376 10377 public final void removeService(PackageParser.Service s) { 10378 mServices.remove(s.getComponentName()); 10379 if (DEBUG_SHOW_INFO) { 10380 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 10381 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 10382 Log.v(TAG, " Class=" + s.info.name); 10383 } 10384 final int NI = s.intents.size(); 10385 int j; 10386 for (j=0; j<NI; j++) { 10387 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 10388 if (DEBUG_SHOW_INFO) { 10389 Log.v(TAG, " IntentFilter:"); 10390 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10391 } 10392 removeFilter(intent); 10393 } 10394 } 10395 10396 @Override 10397 protected boolean allowFilterResult( 10398 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 10399 ServiceInfo filterSi = filter.service.info; 10400 for (int i=dest.size()-1; i>=0; i--) { 10401 ServiceInfo destAi = dest.get(i).serviceInfo; 10402 if (destAi.name == filterSi.name 10403 && destAi.packageName == filterSi.packageName) { 10404 return false; 10405 } 10406 } 10407 return true; 10408 } 10409 10410 @Override 10411 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 10412 return new PackageParser.ServiceIntentInfo[size]; 10413 } 10414 10415 @Override 10416 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 10417 if (!sUserManager.exists(userId)) return true; 10418 PackageParser.Package p = filter.service.owner; 10419 if (p != null) { 10420 PackageSetting ps = (PackageSetting)p.mExtras; 10421 if (ps != null) { 10422 // System apps are never considered stopped for purposes of 10423 // filtering, because there may be no way for the user to 10424 // actually re-launch them. 10425 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 10426 && ps.getStopped(userId); 10427 } 10428 } 10429 return false; 10430 } 10431 10432 @Override 10433 protected boolean isPackageForFilter(String packageName, 10434 PackageParser.ServiceIntentInfo info) { 10435 return packageName.equals(info.service.owner.packageName); 10436 } 10437 10438 @Override 10439 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 10440 int match, int userId) { 10441 if (!sUserManager.exists(userId)) return null; 10442 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 10443 if (!mSettings.isEnabledAndMatchLPr(info.service.info, mFlags, userId)) { 10444 return null; 10445 } 10446 final PackageParser.Service service = info.service; 10447 PackageSetting ps = (PackageSetting) service.owner.mExtras; 10448 if (ps == null) { 10449 return null; 10450 } 10451 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 10452 ps.readUserState(userId), userId); 10453 if (si == null) { 10454 return null; 10455 } 10456 final ResolveInfo res = new ResolveInfo(); 10457 res.serviceInfo = si; 10458 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 10459 res.filter = filter; 10460 } 10461 res.priority = info.getPriority(); 10462 res.preferredOrder = service.owner.mPreferredOrder; 10463 res.match = match; 10464 res.isDefault = info.hasDefault; 10465 res.labelRes = info.labelRes; 10466 res.nonLocalizedLabel = info.nonLocalizedLabel; 10467 res.icon = info.icon; 10468 res.system = res.serviceInfo.applicationInfo.isSystemApp(); 10469 return res; 10470 } 10471 10472 @Override 10473 protected void sortResults(List<ResolveInfo> results) { 10474 Collections.sort(results, mResolvePrioritySorter); 10475 } 10476 10477 @Override 10478 protected void dumpFilter(PrintWriter out, String prefix, 10479 PackageParser.ServiceIntentInfo filter) { 10480 out.print(prefix); out.print( 10481 Integer.toHexString(System.identityHashCode(filter.service))); 10482 out.print(' '); 10483 filter.service.printComponentShortName(out); 10484 out.print(" filter "); 10485 out.println(Integer.toHexString(System.identityHashCode(filter))); 10486 } 10487 10488 @Override 10489 protected Object filterToLabel(PackageParser.ServiceIntentInfo filter) { 10490 return filter.service; 10491 } 10492 10493 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 10494 PackageParser.Service service = (PackageParser.Service)label; 10495 out.print(prefix); out.print( 10496 Integer.toHexString(System.identityHashCode(service))); 10497 out.print(' '); 10498 service.printComponentShortName(out); 10499 if (count > 1) { 10500 out.print(" ("); out.print(count); out.print(" filters)"); 10501 } 10502 out.println(); 10503 } 10504 10505// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 10506// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 10507// final List<ResolveInfo> retList = Lists.newArrayList(); 10508// while (i.hasNext()) { 10509// final ResolveInfo resolveInfo = (ResolveInfo) i; 10510// if (isEnabledLP(resolveInfo.serviceInfo)) { 10511// retList.add(resolveInfo); 10512// } 10513// } 10514// return retList; 10515// } 10516 10517 // Keys are String (activity class name), values are Activity. 10518 private final ArrayMap<ComponentName, PackageParser.Service> mServices 10519 = new ArrayMap<ComponentName, PackageParser.Service>(); 10520 private int mFlags; 10521 }; 10522 10523 private final class ProviderIntentResolver 10524 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 10525 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 10526 boolean defaultOnly, int userId) { 10527 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 10528 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 10529 } 10530 10531 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 10532 int userId) { 10533 if (!sUserManager.exists(userId)) 10534 return null; 10535 mFlags = flags; 10536 return super.queryIntent(intent, resolvedType, 10537 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 10538 } 10539 10540 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 10541 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 10542 if (!sUserManager.exists(userId)) 10543 return null; 10544 if (packageProviders == null) { 10545 return null; 10546 } 10547 mFlags = flags; 10548 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 10549 final int N = packageProviders.size(); 10550 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 10551 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 10552 10553 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 10554 for (int i = 0; i < N; ++i) { 10555 intentFilters = packageProviders.get(i).intents; 10556 if (intentFilters != null && intentFilters.size() > 0) { 10557 PackageParser.ProviderIntentInfo[] array = 10558 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 10559 intentFilters.toArray(array); 10560 listCut.add(array); 10561 } 10562 } 10563 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 10564 } 10565 10566 public final void addProvider(PackageParser.Provider p) { 10567 if (mProviders.containsKey(p.getComponentName())) { 10568 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 10569 return; 10570 } 10571 10572 mProviders.put(p.getComponentName(), p); 10573 if (DEBUG_SHOW_INFO) { 10574 Log.v(TAG, " " 10575 + (p.info.nonLocalizedLabel != null 10576 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 10577 Log.v(TAG, " Class=" + p.info.name); 10578 } 10579 final int NI = p.intents.size(); 10580 int j; 10581 for (j = 0; j < NI; j++) { 10582 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 10583 if (DEBUG_SHOW_INFO) { 10584 Log.v(TAG, " IntentFilter:"); 10585 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10586 } 10587 if (!intent.debugCheck()) { 10588 Log.w(TAG, "==> For Provider " + p.info.name); 10589 } 10590 addFilter(intent); 10591 } 10592 } 10593 10594 public final void removeProvider(PackageParser.Provider p) { 10595 mProviders.remove(p.getComponentName()); 10596 if (DEBUG_SHOW_INFO) { 10597 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 10598 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 10599 Log.v(TAG, " Class=" + p.info.name); 10600 } 10601 final int NI = p.intents.size(); 10602 int j; 10603 for (j = 0; j < NI; j++) { 10604 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 10605 if (DEBUG_SHOW_INFO) { 10606 Log.v(TAG, " IntentFilter:"); 10607 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10608 } 10609 removeFilter(intent); 10610 } 10611 } 10612 10613 @Override 10614 protected boolean allowFilterResult( 10615 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 10616 ProviderInfo filterPi = filter.provider.info; 10617 for (int i = dest.size() - 1; i >= 0; i--) { 10618 ProviderInfo destPi = dest.get(i).providerInfo; 10619 if (destPi.name == filterPi.name 10620 && destPi.packageName == filterPi.packageName) { 10621 return false; 10622 } 10623 } 10624 return true; 10625 } 10626 10627 @Override 10628 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 10629 return new PackageParser.ProviderIntentInfo[size]; 10630 } 10631 10632 @Override 10633 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 10634 if (!sUserManager.exists(userId)) 10635 return true; 10636 PackageParser.Package p = filter.provider.owner; 10637 if (p != null) { 10638 PackageSetting ps = (PackageSetting) p.mExtras; 10639 if (ps != null) { 10640 // System apps are never considered stopped for purposes of 10641 // filtering, because there may be no way for the user to 10642 // actually re-launch them. 10643 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 10644 && ps.getStopped(userId); 10645 } 10646 } 10647 return false; 10648 } 10649 10650 @Override 10651 protected boolean isPackageForFilter(String packageName, 10652 PackageParser.ProviderIntentInfo info) { 10653 return packageName.equals(info.provider.owner.packageName); 10654 } 10655 10656 @Override 10657 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 10658 int match, int userId) { 10659 if (!sUserManager.exists(userId)) 10660 return null; 10661 final PackageParser.ProviderIntentInfo info = filter; 10662 if (!mSettings.isEnabledAndMatchLPr(info.provider.info, mFlags, userId)) { 10663 return null; 10664 } 10665 final PackageParser.Provider provider = info.provider; 10666 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 10667 if (ps == null) { 10668 return null; 10669 } 10670 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 10671 ps.readUserState(userId), userId); 10672 if (pi == null) { 10673 return null; 10674 } 10675 final ResolveInfo res = new ResolveInfo(); 10676 res.providerInfo = pi; 10677 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 10678 res.filter = filter; 10679 } 10680 res.priority = info.getPriority(); 10681 res.preferredOrder = provider.owner.mPreferredOrder; 10682 res.match = match; 10683 res.isDefault = info.hasDefault; 10684 res.labelRes = info.labelRes; 10685 res.nonLocalizedLabel = info.nonLocalizedLabel; 10686 res.icon = info.icon; 10687 res.system = res.providerInfo.applicationInfo.isSystemApp(); 10688 return res; 10689 } 10690 10691 @Override 10692 protected void sortResults(List<ResolveInfo> results) { 10693 Collections.sort(results, mResolvePrioritySorter); 10694 } 10695 10696 @Override 10697 protected void dumpFilter(PrintWriter out, String prefix, 10698 PackageParser.ProviderIntentInfo filter) { 10699 out.print(prefix); 10700 out.print( 10701 Integer.toHexString(System.identityHashCode(filter.provider))); 10702 out.print(' '); 10703 filter.provider.printComponentShortName(out); 10704 out.print(" filter "); 10705 out.println(Integer.toHexString(System.identityHashCode(filter))); 10706 } 10707 10708 @Override 10709 protected Object filterToLabel(PackageParser.ProviderIntentInfo filter) { 10710 return filter.provider; 10711 } 10712 10713 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 10714 PackageParser.Provider provider = (PackageParser.Provider)label; 10715 out.print(prefix); out.print( 10716 Integer.toHexString(System.identityHashCode(provider))); 10717 out.print(' '); 10718 provider.printComponentShortName(out); 10719 if (count > 1) { 10720 out.print(" ("); out.print(count); out.print(" filters)"); 10721 } 10722 out.println(); 10723 } 10724 10725 private final ArrayMap<ComponentName, PackageParser.Provider> mProviders 10726 = new ArrayMap<ComponentName, PackageParser.Provider>(); 10727 private int mFlags; 10728 } 10729 10730 private static final class EphemeralIntentResolver 10731 extends IntentResolver<EphemeralResolveIntentInfo, EphemeralResolveInfo> { 10732 @Override 10733 protected EphemeralResolveIntentInfo[] newArray(int size) { 10734 return new EphemeralResolveIntentInfo[size]; 10735 } 10736 10737 @Override 10738 protected boolean isPackageForFilter(String packageName, EphemeralResolveIntentInfo info) { 10739 return true; 10740 } 10741 10742 @Override 10743 protected EphemeralResolveInfo newResult(EphemeralResolveIntentInfo info, int match, 10744 int userId) { 10745 if (!sUserManager.exists(userId)) { 10746 return null; 10747 } 10748 return info.getEphemeralResolveInfo(); 10749 } 10750 } 10751 10752 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 10753 new Comparator<ResolveInfo>() { 10754 public int compare(ResolveInfo r1, ResolveInfo r2) { 10755 int v1 = r1.priority; 10756 int v2 = r2.priority; 10757 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 10758 if (v1 != v2) { 10759 return (v1 > v2) ? -1 : 1; 10760 } 10761 v1 = r1.preferredOrder; 10762 v2 = r2.preferredOrder; 10763 if (v1 != v2) { 10764 return (v1 > v2) ? -1 : 1; 10765 } 10766 if (r1.isDefault != r2.isDefault) { 10767 return r1.isDefault ? -1 : 1; 10768 } 10769 v1 = r1.match; 10770 v2 = r2.match; 10771 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 10772 if (v1 != v2) { 10773 return (v1 > v2) ? -1 : 1; 10774 } 10775 if (r1.system != r2.system) { 10776 return r1.system ? -1 : 1; 10777 } 10778 if (r1.activityInfo != null) { 10779 return r1.activityInfo.packageName.compareTo(r2.activityInfo.packageName); 10780 } 10781 if (r1.serviceInfo != null) { 10782 return r1.serviceInfo.packageName.compareTo(r2.serviceInfo.packageName); 10783 } 10784 if (r1.providerInfo != null) { 10785 return r1.providerInfo.packageName.compareTo(r2.providerInfo.packageName); 10786 } 10787 return 0; 10788 } 10789 }; 10790 10791 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 10792 new Comparator<ProviderInfo>() { 10793 public int compare(ProviderInfo p1, ProviderInfo p2) { 10794 final int v1 = p1.initOrder; 10795 final int v2 = p2.initOrder; 10796 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 10797 } 10798 }; 10799 10800 final void sendPackageBroadcast(final String action, final String pkg, final Bundle extras, 10801 final int flags, final String targetPkg, final IIntentReceiver finishedReceiver, 10802 final int[] userIds) { 10803 mHandler.post(new Runnable() { 10804 @Override 10805 public void run() { 10806 try { 10807 final IActivityManager am = ActivityManagerNative.getDefault(); 10808 if (am == null) return; 10809 final int[] resolvedUserIds; 10810 if (userIds == null) { 10811 resolvedUserIds = am.getRunningUserIds(); 10812 } else { 10813 resolvedUserIds = userIds; 10814 } 10815 for (int id : resolvedUserIds) { 10816 final Intent intent = new Intent(action, 10817 pkg != null ? Uri.fromParts("package", pkg, null) : null); 10818 if (extras != null) { 10819 intent.putExtras(extras); 10820 } 10821 if (targetPkg != null) { 10822 intent.setPackage(targetPkg); 10823 } 10824 // Modify the UID when posting to other users 10825 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 10826 if (uid > 0 && UserHandle.getUserId(uid) != id) { 10827 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 10828 intent.putExtra(Intent.EXTRA_UID, uid); 10829 } 10830 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 10831 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT | flags); 10832 if (DEBUG_BROADCASTS) { 10833 RuntimeException here = new RuntimeException("here"); 10834 here.fillInStackTrace(); 10835 Slog.d(TAG, "Sending to user " + id + ": " 10836 + intent.toShortString(false, true, false, false) 10837 + " " + intent.getExtras(), here); 10838 } 10839 am.broadcastIntent(null, intent, null, finishedReceiver, 10840 0, null, null, null, android.app.AppOpsManager.OP_NONE, 10841 null, finishedReceiver != null, false, id); 10842 } 10843 } catch (RemoteException ex) { 10844 } 10845 } 10846 }); 10847 } 10848 10849 /** 10850 * Check if the external storage media is available. This is true if there 10851 * is a mounted external storage medium or if the external storage is 10852 * emulated. 10853 */ 10854 private boolean isExternalMediaAvailable() { 10855 return mMediaMounted || Environment.isExternalStorageEmulated(); 10856 } 10857 10858 @Override 10859 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 10860 // writer 10861 synchronized (mPackages) { 10862 if (!isExternalMediaAvailable()) { 10863 // If the external storage is no longer mounted at this point, 10864 // the caller may not have been able to delete all of this 10865 // packages files and can not delete any more. Bail. 10866 return null; 10867 } 10868 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 10869 if (lastPackage != null) { 10870 pkgs.remove(lastPackage); 10871 } 10872 if (pkgs.size() > 0) { 10873 return pkgs.get(0); 10874 } 10875 } 10876 return null; 10877 } 10878 10879 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 10880 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 10881 userId, andCode ? 1 : 0, packageName); 10882 if (mSystemReady) { 10883 msg.sendToTarget(); 10884 } else { 10885 if (mPostSystemReadyMessages == null) { 10886 mPostSystemReadyMessages = new ArrayList<>(); 10887 } 10888 mPostSystemReadyMessages.add(msg); 10889 } 10890 } 10891 10892 void startCleaningPackages() { 10893 // reader 10894 if (!isExternalMediaAvailable()) { 10895 return; 10896 } 10897 synchronized (mPackages) { 10898 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 10899 return; 10900 } 10901 } 10902 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 10903 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 10904 IActivityManager am = ActivityManagerNative.getDefault(); 10905 if (am != null) { 10906 try { 10907 am.startService(null, intent, null, mContext.getOpPackageName(), 10908 UserHandle.USER_SYSTEM); 10909 } catch (RemoteException e) { 10910 } 10911 } 10912 } 10913 10914 @Override 10915 public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer, 10916 int installFlags, String installerPackageName, int userId) { 10917 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 10918 10919 final int callingUid = Binder.getCallingUid(); 10920 enforceCrossUserPermission(callingUid, userId, 10921 true /* requireFullPermission */, true /* checkShell */, "installPackageAsUser"); 10922 10923 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 10924 try { 10925 if (observer != null) { 10926 observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null); 10927 } 10928 } catch (RemoteException re) { 10929 } 10930 return; 10931 } 10932 10933 if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) { 10934 installFlags |= PackageManager.INSTALL_FROM_ADB; 10935 10936 } else { 10937 // Caller holds INSTALL_PACKAGES permission, so we're less strict 10938 // about installerPackageName. 10939 10940 installFlags &= ~PackageManager.INSTALL_FROM_ADB; 10941 installFlags &= ~PackageManager.INSTALL_ALL_USERS; 10942 } 10943 10944 UserHandle user; 10945 if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) { 10946 user = UserHandle.ALL; 10947 } else { 10948 user = new UserHandle(userId); 10949 } 10950 10951 // Only system components can circumvent runtime permissions when installing. 10952 if ((installFlags & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0 10953 && mContext.checkCallingOrSelfPermission(Manifest.permission 10954 .INSTALL_GRANT_RUNTIME_PERMISSIONS) == PackageManager.PERMISSION_DENIED) { 10955 throw new SecurityException("You need the " 10956 + "android.permission.INSTALL_GRANT_RUNTIME_PERMISSIONS permission " 10957 + "to use the PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS flag"); 10958 } 10959 10960 final File originFile = new File(originPath); 10961 final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile); 10962 10963 final Message msg = mHandler.obtainMessage(INIT_COPY); 10964 final VerificationInfo verificationInfo = new VerificationInfo( 10965 null /*originatingUri*/, null /*referrer*/, -1 /*originatingUid*/, callingUid); 10966 final InstallParams params = new InstallParams(origin, null /*moveInfo*/, observer, 10967 installFlags, installerPackageName, null /*volumeUuid*/, verificationInfo, user, 10968 null /*packageAbiOverride*/, null /*grantedPermissions*/, 10969 null /*certificates*/); 10970 params.setTraceMethod("installAsUser").setTraceCookie(System.identityHashCode(params)); 10971 msg.obj = params; 10972 10973 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installAsUser", 10974 System.identityHashCode(msg.obj)); 10975 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 10976 System.identityHashCode(msg.obj)); 10977 10978 mHandler.sendMessage(msg); 10979 } 10980 10981 void installStage(String packageName, File stagedDir, String stagedCid, 10982 IPackageInstallObserver2 observer, PackageInstaller.SessionParams sessionParams, 10983 String installerPackageName, int installerUid, UserHandle user, 10984 Certificate[][] certificates) { 10985 if (DEBUG_EPHEMERAL) { 10986 if ((sessionParams.installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 10987 Slog.d(TAG, "Ephemeral install of " + packageName); 10988 } 10989 } 10990 final VerificationInfo verificationInfo = new VerificationInfo( 10991 sessionParams.originatingUri, sessionParams.referrerUri, 10992 sessionParams.originatingUid, installerUid); 10993 10994 final OriginInfo origin; 10995 if (stagedDir != null) { 10996 origin = OriginInfo.fromStagedFile(stagedDir); 10997 } else { 10998 origin = OriginInfo.fromStagedContainer(stagedCid); 10999 } 11000 11001 final Message msg = mHandler.obtainMessage(INIT_COPY); 11002 final InstallParams params = new InstallParams(origin, null, observer, 11003 sessionParams.installFlags, installerPackageName, sessionParams.volumeUuid, 11004 verificationInfo, user, sessionParams.abiOverride, 11005 sessionParams.grantedRuntimePermissions, certificates); 11006 params.setTraceMethod("installStage").setTraceCookie(System.identityHashCode(params)); 11007 msg.obj = params; 11008 11009 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installStage", 11010 System.identityHashCode(msg.obj)); 11011 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 11012 System.identityHashCode(msg.obj)); 11013 11014 mHandler.sendMessage(msg); 11015 } 11016 11017 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, 11018 int userId) { 11019 final boolean isSystem = isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 11020 sendPackageAddedForUser(packageName, isSystem, pkgSetting.appId, userId); 11021 } 11022 11023 private void sendPackageAddedForUser(String packageName, boolean isSystem, 11024 int appId, int userId) { 11025 Bundle extras = new Bundle(1); 11026 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, appId)); 11027 11028 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 11029 packageName, extras, 0, null, null, new int[] {userId}); 11030 try { 11031 IActivityManager am = ActivityManagerNative.getDefault(); 11032 if (isSystem && am.isUserRunning(userId, 0)) { 11033 // The just-installed/enabled app is bundled on the system, so presumed 11034 // to be able to run automatically without needing an explicit launch. 11035 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 11036 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 11037 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 11038 .setPackage(packageName); 11039 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 11040 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 11041 } 11042 } catch (RemoteException e) { 11043 // shouldn't happen 11044 Slog.w(TAG, "Unable to bootstrap installed package", e); 11045 } 11046 } 11047 11048 @Override 11049 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 11050 int userId) { 11051 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11052 PackageSetting pkgSetting; 11053 final int uid = Binder.getCallingUid(); 11054 enforceCrossUserPermission(uid, userId, 11055 true /* requireFullPermission */, true /* checkShell */, 11056 "setApplicationHiddenSetting for user " + userId); 11057 11058 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 11059 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 11060 return false; 11061 } 11062 11063 long callingId = Binder.clearCallingIdentity(); 11064 try { 11065 boolean sendAdded = false; 11066 boolean sendRemoved = false; 11067 // writer 11068 synchronized (mPackages) { 11069 pkgSetting = mSettings.mPackages.get(packageName); 11070 if (pkgSetting == null) { 11071 return false; 11072 } 11073 if (pkgSetting.getHidden(userId) != hidden) { 11074 pkgSetting.setHidden(hidden, userId); 11075 mSettings.writePackageRestrictionsLPr(userId); 11076 if (hidden) { 11077 sendRemoved = true; 11078 } else { 11079 sendAdded = true; 11080 } 11081 } 11082 } 11083 if (sendAdded) { 11084 sendPackageAddedForUser(packageName, pkgSetting, userId); 11085 return true; 11086 } 11087 if (sendRemoved) { 11088 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 11089 "hiding pkg"); 11090 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 11091 return true; 11092 } 11093 } finally { 11094 Binder.restoreCallingIdentity(callingId); 11095 } 11096 return false; 11097 } 11098 11099 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 11100 int userId) { 11101 final PackageRemovedInfo info = new PackageRemovedInfo(); 11102 info.removedPackage = packageName; 11103 info.removedUsers = new int[] {userId}; 11104 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 11105 info.sendPackageRemovedBroadcasts(true /*killApp*/); 11106 } 11107 11108 private void sendPackagesSuspendedForUser(String[] pkgList, int userId, boolean suspended) { 11109 if (pkgList.length > 0) { 11110 Bundle extras = new Bundle(1); 11111 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 11112 11113 sendPackageBroadcast( 11114 suspended ? Intent.ACTION_PACKAGES_SUSPENDED 11115 : Intent.ACTION_PACKAGES_UNSUSPENDED, 11116 null, extras, Intent.FLAG_RECEIVER_REGISTERED_ONLY, null, null, 11117 new int[] {userId}); 11118 } 11119 } 11120 11121 /** 11122 * Returns true if application is not found or there was an error. Otherwise it returns 11123 * the hidden state of the package for the given user. 11124 */ 11125 @Override 11126 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 11127 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11128 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11129 true /* requireFullPermission */, false /* checkShell */, 11130 "getApplicationHidden for user " + userId); 11131 PackageSetting pkgSetting; 11132 long callingId = Binder.clearCallingIdentity(); 11133 try { 11134 // writer 11135 synchronized (mPackages) { 11136 pkgSetting = mSettings.mPackages.get(packageName); 11137 if (pkgSetting == null) { 11138 return true; 11139 } 11140 return pkgSetting.getHidden(userId); 11141 } 11142 } finally { 11143 Binder.restoreCallingIdentity(callingId); 11144 } 11145 } 11146 11147 /** 11148 * @hide 11149 */ 11150 @Override 11151 public int installExistingPackageAsUser(String packageName, int userId) { 11152 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 11153 null); 11154 PackageSetting pkgSetting; 11155 final int uid = Binder.getCallingUid(); 11156 enforceCrossUserPermission(uid, userId, 11157 true /* requireFullPermission */, true /* checkShell */, 11158 "installExistingPackage for user " + userId); 11159 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 11160 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 11161 } 11162 11163 long callingId = Binder.clearCallingIdentity(); 11164 try { 11165 boolean installed = false; 11166 11167 // writer 11168 synchronized (mPackages) { 11169 pkgSetting = mSettings.mPackages.get(packageName); 11170 if (pkgSetting == null) { 11171 return PackageManager.INSTALL_FAILED_INVALID_URI; 11172 } 11173 if (!pkgSetting.getInstalled(userId)) { 11174 pkgSetting.setInstalled(true, userId); 11175 pkgSetting.setHidden(false, userId); 11176 mSettings.writePackageRestrictionsLPr(userId); 11177 installed = true; 11178 } 11179 } 11180 11181 if (installed) { 11182 if (pkgSetting.pkg != null) { 11183 prepareAppDataAfterInstall(pkgSetting.pkg); 11184 } 11185 sendPackageAddedForUser(packageName, pkgSetting, userId); 11186 } 11187 } finally { 11188 Binder.restoreCallingIdentity(callingId); 11189 } 11190 11191 return PackageManager.INSTALL_SUCCEEDED; 11192 } 11193 11194 boolean isUserRestricted(int userId, String restrictionKey) { 11195 Bundle restrictions = sUserManager.getUserRestrictions(userId); 11196 if (restrictions.getBoolean(restrictionKey, false)) { 11197 Log.w(TAG, "User is restricted: " + restrictionKey); 11198 return true; 11199 } 11200 return false; 11201 } 11202 11203 @Override 11204 public String[] setPackagesSuspendedAsUser(String[] packageNames, boolean suspended, 11205 int userId) { 11206 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 11207 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11208 true /* requireFullPermission */, true /* checkShell */, 11209 "setPackagesSuspended for user " + userId); 11210 11211 if (ArrayUtils.isEmpty(packageNames)) { 11212 return packageNames; 11213 } 11214 11215 // List of package names for whom the suspended state has changed. 11216 List<String> changedPackages = new ArrayList<>(packageNames.length); 11217 // List of package names for whom the suspended state is not set as requested in this 11218 // method. 11219 List<String> unactionedPackages = new ArrayList<>(packageNames.length); 11220 for (int i = 0; i < packageNames.length; i++) { 11221 String packageName = packageNames[i]; 11222 long callingId = Binder.clearCallingIdentity(); 11223 try { 11224 boolean changed = false; 11225 final int appId; 11226 synchronized (mPackages) { 11227 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 11228 if (pkgSetting == null) { 11229 Slog.w(TAG, "Could not find package setting for package \"" + packageName 11230 + "\". Skipping suspending/un-suspending."); 11231 unactionedPackages.add(packageName); 11232 continue; 11233 } 11234 appId = pkgSetting.appId; 11235 if (pkgSetting.getSuspended(userId) != suspended) { 11236 if (!canSuspendPackageForUserLocked(packageName, userId)) { 11237 unactionedPackages.add(packageName); 11238 continue; 11239 } 11240 pkgSetting.setSuspended(suspended, userId); 11241 mSettings.writePackageRestrictionsLPr(userId); 11242 changed = true; 11243 changedPackages.add(packageName); 11244 } 11245 } 11246 11247 if (changed && suspended) { 11248 killApplication(packageName, UserHandle.getUid(userId, appId), 11249 "suspending package"); 11250 } 11251 } finally { 11252 Binder.restoreCallingIdentity(callingId); 11253 } 11254 } 11255 11256 if (!changedPackages.isEmpty()) { 11257 sendPackagesSuspendedForUser(changedPackages.toArray( 11258 new String[changedPackages.size()]), userId, suspended); 11259 } 11260 11261 return unactionedPackages.toArray(new String[unactionedPackages.size()]); 11262 } 11263 11264 @Override 11265 public boolean isPackageSuspendedForUser(String packageName, int userId) { 11266 enforceCrossUserPermission(Binder.getCallingUid(), userId, 11267 true /* requireFullPermission */, false /* checkShell */, 11268 "isPackageSuspendedForUser for user " + userId); 11269 synchronized (mPackages) { 11270 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 11271 if (pkgSetting == null) { 11272 throw new IllegalArgumentException("Unknown target package: " + packageName); 11273 } 11274 return pkgSetting.getSuspended(userId); 11275 } 11276 } 11277 11278 /** 11279 * TODO: cache and disallow blocking the active dialer. 11280 * 11281 * @see also DefaultPermissionGrantPolicy#grantDefaultSystemHandlerPermissions 11282 */ 11283 private boolean canSuspendPackageForUserLocked(String packageName, int userId) { 11284 if (isPackageDeviceAdmin(packageName, userId)) { 11285 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11286 + "\": has an active device admin"); 11287 return false; 11288 } 11289 11290 String activeLauncherPackageName = getActiveLauncherPackageName(userId); 11291 if (packageName.equals(activeLauncherPackageName)) { 11292 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11293 + "\": contains the active launcher"); 11294 return false; 11295 } 11296 11297 if (packageName.equals(mRequiredInstallerPackage)) { 11298 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11299 + "\": required for package installation"); 11300 return false; 11301 } 11302 11303 if (packageName.equals(mRequiredVerifierPackage)) { 11304 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11305 + "\": required for package verification"); 11306 return false; 11307 } 11308 11309 final PackageParser.Package pkg = mPackages.get(packageName); 11310 if (pkg != null && isPrivilegedApp(pkg)) { 11311 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 11312 + "\": is a privileged app"); 11313 return false; 11314 } 11315 11316 return true; 11317 } 11318 11319 private String getActiveLauncherPackageName(int userId) { 11320 Intent intent = new Intent(Intent.ACTION_MAIN); 11321 intent.addCategory(Intent.CATEGORY_HOME); 11322 ResolveInfo resolveInfo = resolveIntent( 11323 intent, 11324 intent.resolveTypeIfNeeded(mContext.getContentResolver()), 11325 PackageManager.MATCH_DEFAULT_ONLY, 11326 userId); 11327 11328 return resolveInfo == null ? null : resolveInfo.activityInfo.packageName; 11329 } 11330 11331 @Override 11332 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 11333 mContext.enforceCallingOrSelfPermission( 11334 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 11335 "Only package verification agents can verify applications"); 11336 11337 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 11338 final PackageVerificationResponse response = new PackageVerificationResponse( 11339 verificationCode, Binder.getCallingUid()); 11340 msg.arg1 = id; 11341 msg.obj = response; 11342 mHandler.sendMessage(msg); 11343 } 11344 11345 @Override 11346 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 11347 long millisecondsToDelay) { 11348 mContext.enforceCallingOrSelfPermission( 11349 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 11350 "Only package verification agents can extend verification timeouts"); 11351 11352 final PackageVerificationState state = mPendingVerification.get(id); 11353 final PackageVerificationResponse response = new PackageVerificationResponse( 11354 verificationCodeAtTimeout, Binder.getCallingUid()); 11355 11356 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 11357 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 11358 } 11359 if (millisecondsToDelay < 0) { 11360 millisecondsToDelay = 0; 11361 } 11362 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 11363 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 11364 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 11365 } 11366 11367 if ((state != null) && !state.timeoutExtended()) { 11368 state.extendTimeout(); 11369 11370 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 11371 msg.arg1 = id; 11372 msg.obj = response; 11373 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 11374 } 11375 } 11376 11377 private void broadcastPackageVerified(int verificationId, Uri packageUri, 11378 int verificationCode, UserHandle user) { 11379 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 11380 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 11381 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 11382 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 11383 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 11384 11385 mContext.sendBroadcastAsUser(intent, user, 11386 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 11387 } 11388 11389 private ComponentName matchComponentForVerifier(String packageName, 11390 List<ResolveInfo> receivers) { 11391 ActivityInfo targetReceiver = null; 11392 11393 final int NR = receivers.size(); 11394 for (int i = 0; i < NR; i++) { 11395 final ResolveInfo info = receivers.get(i); 11396 if (info.activityInfo == null) { 11397 continue; 11398 } 11399 11400 if (packageName.equals(info.activityInfo.packageName)) { 11401 targetReceiver = info.activityInfo; 11402 break; 11403 } 11404 } 11405 11406 if (targetReceiver == null) { 11407 return null; 11408 } 11409 11410 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 11411 } 11412 11413 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 11414 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 11415 if (pkgInfo.verifiers.length == 0) { 11416 return null; 11417 } 11418 11419 final int N = pkgInfo.verifiers.length; 11420 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 11421 for (int i = 0; i < N; i++) { 11422 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 11423 11424 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 11425 receivers); 11426 if (comp == null) { 11427 continue; 11428 } 11429 11430 final int verifierUid = getUidForVerifier(verifierInfo); 11431 if (verifierUid == -1) { 11432 continue; 11433 } 11434 11435 if (DEBUG_VERIFY) { 11436 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 11437 + " with the correct signature"); 11438 } 11439 sufficientVerifiers.add(comp); 11440 verificationState.addSufficientVerifier(verifierUid); 11441 } 11442 11443 return sufficientVerifiers; 11444 } 11445 11446 private int getUidForVerifier(VerifierInfo verifierInfo) { 11447 synchronized (mPackages) { 11448 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 11449 if (pkg == null) { 11450 return -1; 11451 } else if (pkg.mSignatures.length != 1) { 11452 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 11453 + " has more than one signature; ignoring"); 11454 return -1; 11455 } 11456 11457 /* 11458 * If the public key of the package's signature does not match 11459 * our expected public key, then this is a different package and 11460 * we should skip. 11461 */ 11462 11463 final byte[] expectedPublicKey; 11464 try { 11465 final Signature verifierSig = pkg.mSignatures[0]; 11466 final PublicKey publicKey = verifierSig.getPublicKey(); 11467 expectedPublicKey = publicKey.getEncoded(); 11468 } catch (CertificateException e) { 11469 return -1; 11470 } 11471 11472 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 11473 11474 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 11475 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 11476 + " does not have the expected public key; ignoring"); 11477 return -1; 11478 } 11479 11480 return pkg.applicationInfo.uid; 11481 } 11482 } 11483 11484 @Override 11485 public void finishPackageInstall(int token) { 11486 enforceSystemOrRoot("Only the system is allowed to finish installs"); 11487 11488 if (DEBUG_INSTALL) { 11489 Slog.v(TAG, "BM finishing package install for " + token); 11490 } 11491 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 11492 11493 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 11494 mHandler.sendMessage(msg); 11495 } 11496 11497 /** 11498 * Get the verification agent timeout. 11499 * 11500 * @return verification timeout in milliseconds 11501 */ 11502 private long getVerificationTimeout() { 11503 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 11504 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 11505 DEFAULT_VERIFICATION_TIMEOUT); 11506 } 11507 11508 /** 11509 * Get the default verification agent response code. 11510 * 11511 * @return default verification response code 11512 */ 11513 private int getDefaultVerificationResponse() { 11514 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 11515 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 11516 DEFAULT_VERIFICATION_RESPONSE); 11517 } 11518 11519 /** 11520 * Check whether or not package verification has been enabled. 11521 * 11522 * @return true if verification should be performed 11523 */ 11524 private boolean isVerificationEnabled(int userId, int installFlags) { 11525 if (!DEFAULT_VERIFY_ENABLE) { 11526 return false; 11527 } 11528 // Ephemeral apps don't get the full verification treatment 11529 if ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 11530 if (DEBUG_EPHEMERAL) { 11531 Slog.d(TAG, "INSTALL_EPHEMERAL so skipping verification"); 11532 } 11533 return false; 11534 } 11535 11536 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 11537 11538 // Check if installing from ADB 11539 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 11540 // Do not run verification in a test harness environment 11541 if (ActivityManager.isRunningInTestHarness()) { 11542 return false; 11543 } 11544 if (ensureVerifyAppsEnabled) { 11545 return true; 11546 } 11547 // Check if the developer does not want package verification for ADB installs 11548 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 11549 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 11550 return false; 11551 } 11552 } 11553 11554 if (ensureVerifyAppsEnabled) { 11555 return true; 11556 } 11557 11558 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 11559 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 11560 } 11561 11562 @Override 11563 public void verifyIntentFilter(int id, int verificationCode, List<String> failedDomains) 11564 throws RemoteException { 11565 mContext.enforceCallingOrSelfPermission( 11566 Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 11567 "Only intentfilter verification agents can verify applications"); 11568 11569 final Message msg = mHandler.obtainMessage(INTENT_FILTER_VERIFIED); 11570 final IntentFilterVerificationResponse response = new IntentFilterVerificationResponse( 11571 Binder.getCallingUid(), verificationCode, failedDomains); 11572 msg.arg1 = id; 11573 msg.obj = response; 11574 mHandler.sendMessage(msg); 11575 } 11576 11577 @Override 11578 public int getIntentVerificationStatus(String packageName, int userId) { 11579 synchronized (mPackages) { 11580 return mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 11581 } 11582 } 11583 11584 @Override 11585 public boolean updateIntentVerificationStatus(String packageName, int status, int userId) { 11586 mContext.enforceCallingOrSelfPermission( 11587 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11588 11589 boolean result = false; 11590 synchronized (mPackages) { 11591 result = mSettings.updateIntentFilterVerificationStatusLPw(packageName, status, userId); 11592 } 11593 if (result) { 11594 scheduleWritePackageRestrictionsLocked(userId); 11595 } 11596 return result; 11597 } 11598 11599 @Override 11600 public @NonNull ParceledListSlice<IntentFilterVerificationInfo> getIntentFilterVerifications( 11601 String packageName) { 11602 synchronized (mPackages) { 11603 return new ParceledListSlice<>(mSettings.getIntentFilterVerificationsLPr(packageName)); 11604 } 11605 } 11606 11607 @Override 11608 public @NonNull ParceledListSlice<IntentFilter> getAllIntentFilters(String packageName) { 11609 if (TextUtils.isEmpty(packageName)) { 11610 return ParceledListSlice.emptyList(); 11611 } 11612 synchronized (mPackages) { 11613 PackageParser.Package pkg = mPackages.get(packageName); 11614 if (pkg == null || pkg.activities == null) { 11615 return ParceledListSlice.emptyList(); 11616 } 11617 final int count = pkg.activities.size(); 11618 ArrayList<IntentFilter> result = new ArrayList<>(); 11619 for (int n=0; n<count; n++) { 11620 PackageParser.Activity activity = pkg.activities.get(n); 11621 if (activity.intents != null && activity.intents.size() > 0) { 11622 result.addAll(activity.intents); 11623 } 11624 } 11625 return new ParceledListSlice<>(result); 11626 } 11627 } 11628 11629 @Override 11630 public boolean setDefaultBrowserPackageName(String packageName, int userId) { 11631 mContext.enforceCallingOrSelfPermission( 11632 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11633 11634 synchronized (mPackages) { 11635 boolean result = mSettings.setDefaultBrowserPackageNameLPw(packageName, userId); 11636 if (packageName != null) { 11637 result |= updateIntentVerificationStatus(packageName, 11638 PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, 11639 userId); 11640 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultBrowserLPr( 11641 packageName, userId); 11642 } 11643 return result; 11644 } 11645 } 11646 11647 @Override 11648 public String getDefaultBrowserPackageName(int userId) { 11649 synchronized (mPackages) { 11650 return mSettings.getDefaultBrowserPackageNameLPw(userId); 11651 } 11652 } 11653 11654 /** 11655 * Get the "allow unknown sources" setting. 11656 * 11657 * @return the current "allow unknown sources" setting 11658 */ 11659 private int getUnknownSourcesSettings() { 11660 return android.provider.Settings.Secure.getInt(mContext.getContentResolver(), 11661 android.provider.Settings.Secure.INSTALL_NON_MARKET_APPS, 11662 -1); 11663 } 11664 11665 @Override 11666 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 11667 final int uid = Binder.getCallingUid(); 11668 // writer 11669 synchronized (mPackages) { 11670 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 11671 if (targetPackageSetting == null) { 11672 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 11673 } 11674 11675 PackageSetting installerPackageSetting; 11676 if (installerPackageName != null) { 11677 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 11678 if (installerPackageSetting == null) { 11679 throw new IllegalArgumentException("Unknown installer package: " 11680 + installerPackageName); 11681 } 11682 } else { 11683 installerPackageSetting = null; 11684 } 11685 11686 Signature[] callerSignature; 11687 Object obj = mSettings.getUserIdLPr(uid); 11688 if (obj != null) { 11689 if (obj instanceof SharedUserSetting) { 11690 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 11691 } else if (obj instanceof PackageSetting) { 11692 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 11693 } else { 11694 throw new SecurityException("Bad object " + obj + " for uid " + uid); 11695 } 11696 } else { 11697 throw new SecurityException("Unknown calling UID: " + uid); 11698 } 11699 11700 // Verify: can't set installerPackageName to a package that is 11701 // not signed with the same cert as the caller. 11702 if (installerPackageSetting != null) { 11703 if (compareSignatures(callerSignature, 11704 installerPackageSetting.signatures.mSignatures) 11705 != PackageManager.SIGNATURE_MATCH) { 11706 throw new SecurityException( 11707 "Caller does not have same cert as new installer package " 11708 + installerPackageName); 11709 } 11710 } 11711 11712 // Verify: if target already has an installer package, it must 11713 // be signed with the same cert as the caller. 11714 if (targetPackageSetting.installerPackageName != null) { 11715 PackageSetting setting = mSettings.mPackages.get( 11716 targetPackageSetting.installerPackageName); 11717 // If the currently set package isn't valid, then it's always 11718 // okay to change it. 11719 if (setting != null) { 11720 if (compareSignatures(callerSignature, 11721 setting.signatures.mSignatures) 11722 != PackageManager.SIGNATURE_MATCH) { 11723 throw new SecurityException( 11724 "Caller does not have same cert as old installer package " 11725 + targetPackageSetting.installerPackageName); 11726 } 11727 } 11728 } 11729 11730 // Okay! 11731 targetPackageSetting.installerPackageName = installerPackageName; 11732 scheduleWriteSettingsLocked(); 11733 } 11734 } 11735 11736 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 11737 // Queue up an async operation since the package installation may take a little while. 11738 mHandler.post(new Runnable() { 11739 public void run() { 11740 mHandler.removeCallbacks(this); 11741 // Result object to be returned 11742 PackageInstalledInfo res = new PackageInstalledInfo(); 11743 res.setReturnCode(currentStatus); 11744 res.uid = -1; 11745 res.pkg = null; 11746 res.removedInfo = null; 11747 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 11748 args.doPreInstall(res.returnCode); 11749 synchronized (mInstallLock) { 11750 installPackageTracedLI(args, res); 11751 } 11752 args.doPostInstall(res.returnCode, res.uid); 11753 } 11754 11755 // A restore should be performed at this point if (a) the install 11756 // succeeded, (b) the operation is not an update, and (c) the new 11757 // package has not opted out of backup participation. 11758 final boolean update = res.removedInfo != null 11759 && res.removedInfo.removedPackage != null; 11760 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 11761 boolean doRestore = !update 11762 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 11763 11764 // Set up the post-install work request bookkeeping. This will be used 11765 // and cleaned up by the post-install event handling regardless of whether 11766 // there's a restore pass performed. Token values are >= 1. 11767 int token; 11768 if (mNextInstallToken < 0) mNextInstallToken = 1; 11769 token = mNextInstallToken++; 11770 11771 PostInstallData data = new PostInstallData(args, res); 11772 mRunningInstalls.put(token, data); 11773 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 11774 11775 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 11776 // Pass responsibility to the Backup Manager. It will perform a 11777 // restore if appropriate, then pass responsibility back to the 11778 // Package Manager to run the post-install observer callbacks 11779 // and broadcasts. 11780 IBackupManager bm = IBackupManager.Stub.asInterface( 11781 ServiceManager.getService(Context.BACKUP_SERVICE)); 11782 if (bm != null) { 11783 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 11784 + " to BM for possible restore"); 11785 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 11786 try { 11787 // TODO: http://b/22388012 11788 if (bm.isBackupServiceActive(UserHandle.USER_SYSTEM)) { 11789 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 11790 } else { 11791 doRestore = false; 11792 } 11793 } catch (RemoteException e) { 11794 // can't happen; the backup manager is local 11795 } catch (Exception e) { 11796 Slog.e(TAG, "Exception trying to enqueue restore", e); 11797 doRestore = false; 11798 } 11799 } else { 11800 Slog.e(TAG, "Backup Manager not found!"); 11801 doRestore = false; 11802 } 11803 } 11804 11805 if (!doRestore) { 11806 // No restore possible, or the Backup Manager was mysteriously not 11807 // available -- just fire the post-install work request directly. 11808 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 11809 11810 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "postInstall", token); 11811 11812 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 11813 mHandler.sendMessage(msg); 11814 } 11815 } 11816 }); 11817 } 11818 11819 private abstract class HandlerParams { 11820 private static final int MAX_RETRIES = 4; 11821 11822 /** 11823 * Number of times startCopy() has been attempted and had a non-fatal 11824 * error. 11825 */ 11826 private int mRetries = 0; 11827 11828 /** User handle for the user requesting the information or installation. */ 11829 private final UserHandle mUser; 11830 String traceMethod; 11831 int traceCookie; 11832 11833 HandlerParams(UserHandle user) { 11834 mUser = user; 11835 } 11836 11837 UserHandle getUser() { 11838 return mUser; 11839 } 11840 11841 HandlerParams setTraceMethod(String traceMethod) { 11842 this.traceMethod = traceMethod; 11843 return this; 11844 } 11845 11846 HandlerParams setTraceCookie(int traceCookie) { 11847 this.traceCookie = traceCookie; 11848 return this; 11849 } 11850 11851 final boolean startCopy() { 11852 boolean res; 11853 try { 11854 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 11855 11856 if (++mRetries > MAX_RETRIES) { 11857 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 11858 mHandler.sendEmptyMessage(MCS_GIVE_UP); 11859 handleServiceError(); 11860 return false; 11861 } else { 11862 handleStartCopy(); 11863 res = true; 11864 } 11865 } catch (RemoteException e) { 11866 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 11867 mHandler.sendEmptyMessage(MCS_RECONNECT); 11868 res = false; 11869 } 11870 handleReturnCode(); 11871 return res; 11872 } 11873 11874 final void serviceError() { 11875 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 11876 handleServiceError(); 11877 handleReturnCode(); 11878 } 11879 11880 abstract void handleStartCopy() throws RemoteException; 11881 abstract void handleServiceError(); 11882 abstract void handleReturnCode(); 11883 } 11884 11885 class MeasureParams extends HandlerParams { 11886 private final PackageStats mStats; 11887 private boolean mSuccess; 11888 11889 private final IPackageStatsObserver mObserver; 11890 11891 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 11892 super(new UserHandle(stats.userHandle)); 11893 mObserver = observer; 11894 mStats = stats; 11895 } 11896 11897 @Override 11898 public String toString() { 11899 return "MeasureParams{" 11900 + Integer.toHexString(System.identityHashCode(this)) 11901 + " " + mStats.packageName + "}"; 11902 } 11903 11904 @Override 11905 void handleStartCopy() throws RemoteException { 11906 synchronized (mInstallLock) { 11907 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 11908 } 11909 11910 if (mSuccess) { 11911 final boolean mounted; 11912 if (Environment.isExternalStorageEmulated()) { 11913 mounted = true; 11914 } else { 11915 final String status = Environment.getExternalStorageState(); 11916 mounted = (Environment.MEDIA_MOUNTED.equals(status) 11917 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 11918 } 11919 11920 if (mounted) { 11921 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 11922 11923 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 11924 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 11925 11926 mStats.externalDataSize = calculateDirectorySize(mContainerService, 11927 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 11928 11929 // Always subtract cache size, since it's a subdirectory 11930 mStats.externalDataSize -= mStats.externalCacheSize; 11931 11932 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 11933 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 11934 11935 mStats.externalObbSize = calculateDirectorySize(mContainerService, 11936 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 11937 } 11938 } 11939 } 11940 11941 @Override 11942 void handleReturnCode() { 11943 if (mObserver != null) { 11944 try { 11945 mObserver.onGetStatsCompleted(mStats, mSuccess); 11946 } catch (RemoteException e) { 11947 Slog.i(TAG, "Observer no longer exists."); 11948 } 11949 } 11950 } 11951 11952 @Override 11953 void handleServiceError() { 11954 Slog.e(TAG, "Could not measure application " + mStats.packageName 11955 + " external storage"); 11956 } 11957 } 11958 11959 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 11960 throws RemoteException { 11961 long result = 0; 11962 for (File path : paths) { 11963 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 11964 } 11965 return result; 11966 } 11967 11968 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 11969 for (File path : paths) { 11970 try { 11971 mcs.clearDirectory(path.getAbsolutePath()); 11972 } catch (RemoteException e) { 11973 } 11974 } 11975 } 11976 11977 static class OriginInfo { 11978 /** 11979 * Location where install is coming from, before it has been 11980 * copied/renamed into place. This could be a single monolithic APK 11981 * file, or a cluster directory. This location may be untrusted. 11982 */ 11983 final File file; 11984 final String cid; 11985 11986 /** 11987 * Flag indicating that {@link #file} or {@link #cid} has already been 11988 * staged, meaning downstream users don't need to defensively copy the 11989 * contents. 11990 */ 11991 final boolean staged; 11992 11993 /** 11994 * Flag indicating that {@link #file} or {@link #cid} is an already 11995 * installed app that is being moved. 11996 */ 11997 final boolean existing; 11998 11999 final String resolvedPath; 12000 final File resolvedFile; 12001 12002 static OriginInfo fromNothing() { 12003 return new OriginInfo(null, null, false, false); 12004 } 12005 12006 static OriginInfo fromUntrustedFile(File file) { 12007 return new OriginInfo(file, null, false, false); 12008 } 12009 12010 static OriginInfo fromExistingFile(File file) { 12011 return new OriginInfo(file, null, false, true); 12012 } 12013 12014 static OriginInfo fromStagedFile(File file) { 12015 return new OriginInfo(file, null, true, false); 12016 } 12017 12018 static OriginInfo fromStagedContainer(String cid) { 12019 return new OriginInfo(null, cid, true, false); 12020 } 12021 12022 private OriginInfo(File file, String cid, boolean staged, boolean existing) { 12023 this.file = file; 12024 this.cid = cid; 12025 this.staged = staged; 12026 this.existing = existing; 12027 12028 if (cid != null) { 12029 resolvedPath = PackageHelper.getSdDir(cid); 12030 resolvedFile = new File(resolvedPath); 12031 } else if (file != null) { 12032 resolvedPath = file.getAbsolutePath(); 12033 resolvedFile = file; 12034 } else { 12035 resolvedPath = null; 12036 resolvedFile = null; 12037 } 12038 } 12039 } 12040 12041 static class MoveInfo { 12042 final int moveId; 12043 final String fromUuid; 12044 final String toUuid; 12045 final String packageName; 12046 final String dataAppName; 12047 final int appId; 12048 final String seinfo; 12049 final int targetSdkVersion; 12050 12051 public MoveInfo(int moveId, String fromUuid, String toUuid, String packageName, 12052 String dataAppName, int appId, String seinfo, int targetSdkVersion) { 12053 this.moveId = moveId; 12054 this.fromUuid = fromUuid; 12055 this.toUuid = toUuid; 12056 this.packageName = packageName; 12057 this.dataAppName = dataAppName; 12058 this.appId = appId; 12059 this.seinfo = seinfo; 12060 this.targetSdkVersion = targetSdkVersion; 12061 } 12062 } 12063 12064 static class VerificationInfo { 12065 /** A constant used to indicate that a uid value is not present. */ 12066 public static final int NO_UID = -1; 12067 12068 /** URI referencing where the package was downloaded from. */ 12069 final Uri originatingUri; 12070 12071 /** HTTP referrer URI associated with the originatingURI. */ 12072 final Uri referrer; 12073 12074 /** UID of the application that the install request originated from. */ 12075 final int originatingUid; 12076 12077 /** UID of application requesting the install */ 12078 final int installerUid; 12079 12080 VerificationInfo(Uri originatingUri, Uri referrer, int originatingUid, int installerUid) { 12081 this.originatingUri = originatingUri; 12082 this.referrer = referrer; 12083 this.originatingUid = originatingUid; 12084 this.installerUid = installerUid; 12085 } 12086 } 12087 12088 class InstallParams extends HandlerParams { 12089 final OriginInfo origin; 12090 final MoveInfo move; 12091 final IPackageInstallObserver2 observer; 12092 int installFlags; 12093 final String installerPackageName; 12094 final String volumeUuid; 12095 private InstallArgs mArgs; 12096 private int mRet; 12097 final String packageAbiOverride; 12098 final String[] grantedRuntimePermissions; 12099 final VerificationInfo verificationInfo; 12100 final Certificate[][] certificates; 12101 12102 InstallParams(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 12103 int installFlags, String installerPackageName, String volumeUuid, 12104 VerificationInfo verificationInfo, UserHandle user, String packageAbiOverride, 12105 String[] grantedPermissions, Certificate[][] certificates) { 12106 super(user); 12107 this.origin = origin; 12108 this.move = move; 12109 this.observer = observer; 12110 this.installFlags = installFlags; 12111 this.installerPackageName = installerPackageName; 12112 this.volumeUuid = volumeUuid; 12113 this.verificationInfo = verificationInfo; 12114 this.packageAbiOverride = packageAbiOverride; 12115 this.grantedRuntimePermissions = grantedPermissions; 12116 this.certificates = certificates; 12117 } 12118 12119 @Override 12120 public String toString() { 12121 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 12122 + " file=" + origin.file + " cid=" + origin.cid + "}"; 12123 } 12124 12125 private int installLocationPolicy(PackageInfoLite pkgLite) { 12126 String packageName = pkgLite.packageName; 12127 int installLocation = pkgLite.installLocation; 12128 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 12129 // reader 12130 synchronized (mPackages) { 12131 // Currently installed package which the new package is attempting to replace or 12132 // null if no such package is installed. 12133 PackageParser.Package installedPkg = mPackages.get(packageName); 12134 // Package which currently owns the data which the new package will own if installed. 12135 // If an app is unstalled while keeping data (e.g., adb uninstall -k), installedPkg 12136 // will be null whereas dataOwnerPkg will contain information about the package 12137 // which was uninstalled while keeping its data. 12138 PackageParser.Package dataOwnerPkg = installedPkg; 12139 if (dataOwnerPkg == null) { 12140 PackageSetting ps = mSettings.mPackages.get(packageName); 12141 if (ps != null) { 12142 dataOwnerPkg = ps.pkg; 12143 } 12144 } 12145 12146 if (dataOwnerPkg != null) { 12147 // If installed, the package will get access to data left on the device by its 12148 // predecessor. As a security measure, this is permited only if this is not a 12149 // version downgrade or if the predecessor package is marked as debuggable and 12150 // a downgrade is explicitly requested. 12151 // 12152 // On debuggable platform builds, downgrades are permitted even for 12153 // non-debuggable packages to make testing easier. Debuggable platform builds do 12154 // not offer security guarantees and thus it's OK to disable some security 12155 // mechanisms to make debugging/testing easier on those builds. However, even on 12156 // debuggable builds downgrades of packages are permitted only if requested via 12157 // installFlags. This is because we aim to keep the behavior of debuggable 12158 // platform builds as close as possible to the behavior of non-debuggable 12159 // platform builds. 12160 final boolean downgradeRequested = 12161 (installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) != 0; 12162 final boolean packageDebuggable = 12163 (dataOwnerPkg.applicationInfo.flags 12164 & ApplicationInfo.FLAG_DEBUGGABLE) != 0; 12165 final boolean downgradePermitted = 12166 (downgradeRequested) && ((Build.IS_DEBUGGABLE) || (packageDebuggable)); 12167 if (!downgradePermitted) { 12168 try { 12169 checkDowngrade(dataOwnerPkg, pkgLite); 12170 } catch (PackageManagerException e) { 12171 Slog.w(TAG, "Downgrade detected: " + e.getMessage()); 12172 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 12173 } 12174 } 12175 } 12176 12177 if (installedPkg != null) { 12178 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 12179 // Check for updated system application. 12180 if ((installedPkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 12181 if (onSd) { 12182 Slog.w(TAG, "Cannot install update to system app on sdcard"); 12183 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 12184 } 12185 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 12186 } else { 12187 if (onSd) { 12188 // Install flag overrides everything. 12189 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 12190 } 12191 // If current upgrade specifies particular preference 12192 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 12193 // Application explicitly specified internal. 12194 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 12195 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 12196 // App explictly prefers external. Let policy decide 12197 } else { 12198 // Prefer previous location 12199 if (isExternal(installedPkg)) { 12200 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 12201 } 12202 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 12203 } 12204 } 12205 } else { 12206 // Invalid install. Return error code 12207 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 12208 } 12209 } 12210 } 12211 // All the special cases have been taken care of. 12212 // Return result based on recommended install location. 12213 if (onSd) { 12214 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 12215 } 12216 return pkgLite.recommendedInstallLocation; 12217 } 12218 12219 /* 12220 * Invoke remote method to get package information and install 12221 * location values. Override install location based on default 12222 * policy if needed and then create install arguments based 12223 * on the install location. 12224 */ 12225 public void handleStartCopy() throws RemoteException { 12226 int ret = PackageManager.INSTALL_SUCCEEDED; 12227 12228 // If we're already staged, we've firmly committed to an install location 12229 if (origin.staged) { 12230 if (origin.file != null) { 12231 installFlags |= PackageManager.INSTALL_INTERNAL; 12232 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 12233 } else if (origin.cid != null) { 12234 installFlags |= PackageManager.INSTALL_EXTERNAL; 12235 installFlags &= ~PackageManager.INSTALL_INTERNAL; 12236 } else { 12237 throw new IllegalStateException("Invalid stage location"); 12238 } 12239 } 12240 12241 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 12242 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 12243 final boolean ephemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 12244 PackageInfoLite pkgLite = null; 12245 12246 if (onInt && onSd) { 12247 // Check if both bits are set. 12248 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 12249 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 12250 } else if (onSd && ephemeral) { 12251 Slog.w(TAG, "Conflicting flags specified for installing ephemeral on external"); 12252 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 12253 } else { 12254 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 12255 packageAbiOverride); 12256 12257 if (DEBUG_EPHEMERAL && ephemeral) { 12258 Slog.v(TAG, "pkgLite for install: " + pkgLite); 12259 } 12260 12261 /* 12262 * If we have too little free space, try to free cache 12263 * before giving up. 12264 */ 12265 if (!origin.staged && pkgLite.recommendedInstallLocation 12266 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 12267 // TODO: focus freeing disk space on the target device 12268 final StorageManager storage = StorageManager.from(mContext); 12269 final long lowThreshold = storage.getStorageLowBytes( 12270 Environment.getDataDirectory()); 12271 12272 final long sizeBytes = mContainerService.calculateInstalledSize( 12273 origin.resolvedPath, isForwardLocked(), packageAbiOverride); 12274 12275 try { 12276 mInstaller.freeCache(null, sizeBytes + lowThreshold); 12277 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 12278 installFlags, packageAbiOverride); 12279 } catch (InstallerException e) { 12280 Slog.w(TAG, "Failed to free cache", e); 12281 } 12282 12283 /* 12284 * The cache free must have deleted the file we 12285 * downloaded to install. 12286 * 12287 * TODO: fix the "freeCache" call to not delete 12288 * the file we care about. 12289 */ 12290 if (pkgLite.recommendedInstallLocation 12291 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 12292 pkgLite.recommendedInstallLocation 12293 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 12294 } 12295 } 12296 } 12297 12298 if (ret == PackageManager.INSTALL_SUCCEEDED) { 12299 int loc = pkgLite.recommendedInstallLocation; 12300 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 12301 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 12302 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 12303 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 12304 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 12305 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 12306 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 12307 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 12308 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 12309 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 12310 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 12311 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 12312 } else { 12313 // Override with defaults if needed. 12314 loc = installLocationPolicy(pkgLite); 12315 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 12316 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 12317 } else if (!onSd && !onInt) { 12318 // Override install location with flags 12319 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 12320 // Set the flag to install on external media. 12321 installFlags |= PackageManager.INSTALL_EXTERNAL; 12322 installFlags &= ~PackageManager.INSTALL_INTERNAL; 12323 } else if (loc == PackageHelper.RECOMMEND_INSTALL_EPHEMERAL) { 12324 if (DEBUG_EPHEMERAL) { 12325 Slog.v(TAG, "...setting INSTALL_EPHEMERAL install flag"); 12326 } 12327 installFlags |= PackageManager.INSTALL_EPHEMERAL; 12328 installFlags &= ~(PackageManager.INSTALL_EXTERNAL 12329 |PackageManager.INSTALL_INTERNAL); 12330 } else { 12331 // Make sure the flag for installing on external 12332 // media is unset 12333 installFlags |= PackageManager.INSTALL_INTERNAL; 12334 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 12335 } 12336 } 12337 } 12338 } 12339 12340 final InstallArgs args = createInstallArgs(this); 12341 mArgs = args; 12342 12343 if (ret == PackageManager.INSTALL_SUCCEEDED) { 12344 // TODO: http://b/22976637 12345 // Apps installed for "all" users use the device owner to verify the app 12346 UserHandle verifierUser = getUser(); 12347 if (verifierUser == UserHandle.ALL) { 12348 verifierUser = UserHandle.SYSTEM; 12349 } 12350 12351 /* 12352 * Determine if we have any installed package verifiers. If we 12353 * do, then we'll defer to them to verify the packages. 12354 */ 12355 final int requiredUid = mRequiredVerifierPackage == null ? -1 12356 : getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 12357 verifierUser.getIdentifier()); 12358 if (!origin.existing && requiredUid != -1 12359 && isVerificationEnabled(verifierUser.getIdentifier(), installFlags)) { 12360 final Intent verification = new Intent( 12361 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 12362 verification.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 12363 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 12364 PACKAGE_MIME_TYPE); 12365 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 12366 12367 // Query all live verifiers based on current user state 12368 final List<ResolveInfo> receivers = queryIntentReceiversInternal(verification, 12369 PACKAGE_MIME_TYPE, 0, verifierUser.getIdentifier()); 12370 12371 if (DEBUG_VERIFY) { 12372 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 12373 + verification.toString() + " with " + pkgLite.verifiers.length 12374 + " optional verifiers"); 12375 } 12376 12377 final int verificationId = mPendingVerificationToken++; 12378 12379 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 12380 12381 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 12382 installerPackageName); 12383 12384 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 12385 installFlags); 12386 12387 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 12388 pkgLite.packageName); 12389 12390 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 12391 pkgLite.versionCode); 12392 12393 if (verificationInfo != null) { 12394 if (verificationInfo.originatingUri != null) { 12395 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 12396 verificationInfo.originatingUri); 12397 } 12398 if (verificationInfo.referrer != null) { 12399 verification.putExtra(Intent.EXTRA_REFERRER, 12400 verificationInfo.referrer); 12401 } 12402 if (verificationInfo.originatingUid >= 0) { 12403 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 12404 verificationInfo.originatingUid); 12405 } 12406 if (verificationInfo.installerUid >= 0) { 12407 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 12408 verificationInfo.installerUid); 12409 } 12410 } 12411 12412 final PackageVerificationState verificationState = new PackageVerificationState( 12413 requiredUid, args); 12414 12415 mPendingVerification.append(verificationId, verificationState); 12416 12417 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 12418 receivers, verificationState); 12419 12420 /* 12421 * If any sufficient verifiers were listed in the package 12422 * manifest, attempt to ask them. 12423 */ 12424 if (sufficientVerifiers != null) { 12425 final int N = sufficientVerifiers.size(); 12426 if (N == 0) { 12427 Slog.i(TAG, "Additional verifiers required, but none installed."); 12428 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 12429 } else { 12430 for (int i = 0; i < N; i++) { 12431 final ComponentName verifierComponent = sufficientVerifiers.get(i); 12432 12433 final Intent sufficientIntent = new Intent(verification); 12434 sufficientIntent.setComponent(verifierComponent); 12435 mContext.sendBroadcastAsUser(sufficientIntent, verifierUser); 12436 } 12437 } 12438 } 12439 12440 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 12441 mRequiredVerifierPackage, receivers); 12442 if (ret == PackageManager.INSTALL_SUCCEEDED 12443 && mRequiredVerifierPackage != null) { 12444 Trace.asyncTraceBegin( 12445 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 12446 /* 12447 * Send the intent to the required verification agent, 12448 * but only start the verification timeout after the 12449 * target BroadcastReceivers have run. 12450 */ 12451 verification.setComponent(requiredVerifierComponent); 12452 mContext.sendOrderedBroadcastAsUser(verification, verifierUser, 12453 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 12454 new BroadcastReceiver() { 12455 @Override 12456 public void onReceive(Context context, Intent intent) { 12457 final Message msg = mHandler 12458 .obtainMessage(CHECK_PENDING_VERIFICATION); 12459 msg.arg1 = verificationId; 12460 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 12461 } 12462 }, null, 0, null, null); 12463 12464 /* 12465 * We don't want the copy to proceed until verification 12466 * succeeds, so null out this field. 12467 */ 12468 mArgs = null; 12469 } 12470 } else { 12471 /* 12472 * No package verification is enabled, so immediately start 12473 * the remote call to initiate copy using temporary file. 12474 */ 12475 ret = args.copyApk(mContainerService, true); 12476 } 12477 } 12478 12479 mRet = ret; 12480 } 12481 12482 @Override 12483 void handleReturnCode() { 12484 // If mArgs is null, then MCS couldn't be reached. When it 12485 // reconnects, it will try again to install. At that point, this 12486 // will succeed. 12487 if (mArgs != null) { 12488 processPendingInstall(mArgs, mRet); 12489 } 12490 } 12491 12492 @Override 12493 void handleServiceError() { 12494 mArgs = createInstallArgs(this); 12495 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 12496 } 12497 12498 public boolean isForwardLocked() { 12499 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 12500 } 12501 } 12502 12503 /** 12504 * Used during creation of InstallArgs 12505 * 12506 * @param installFlags package installation flags 12507 * @return true if should be installed on external storage 12508 */ 12509 private static boolean installOnExternalAsec(int installFlags) { 12510 if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) { 12511 return false; 12512 } 12513 if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 12514 return true; 12515 } 12516 return false; 12517 } 12518 12519 /** 12520 * Used during creation of InstallArgs 12521 * 12522 * @param installFlags package installation flags 12523 * @return true if should be installed as forward locked 12524 */ 12525 private static boolean installForwardLocked(int installFlags) { 12526 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 12527 } 12528 12529 private InstallArgs createInstallArgs(InstallParams params) { 12530 if (params.move != null) { 12531 return new MoveInstallArgs(params); 12532 } else if (installOnExternalAsec(params.installFlags) || params.isForwardLocked()) { 12533 return new AsecInstallArgs(params); 12534 } else { 12535 return new FileInstallArgs(params); 12536 } 12537 } 12538 12539 /** 12540 * Create args that describe an existing installed package. Typically used 12541 * when cleaning up old installs, or used as a move source. 12542 */ 12543 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 12544 String resourcePath, String[] instructionSets) { 12545 final boolean isInAsec; 12546 if (installOnExternalAsec(installFlags)) { 12547 /* Apps on SD card are always in ASEC containers. */ 12548 isInAsec = true; 12549 } else if (installForwardLocked(installFlags) 12550 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 12551 /* 12552 * Forward-locked apps are only in ASEC containers if they're the 12553 * new style 12554 */ 12555 isInAsec = true; 12556 } else { 12557 isInAsec = false; 12558 } 12559 12560 if (isInAsec) { 12561 return new AsecInstallArgs(codePath, instructionSets, 12562 installOnExternalAsec(installFlags), installForwardLocked(installFlags)); 12563 } else { 12564 return new FileInstallArgs(codePath, resourcePath, instructionSets); 12565 } 12566 } 12567 12568 static abstract class InstallArgs { 12569 /** @see InstallParams#origin */ 12570 final OriginInfo origin; 12571 /** @see InstallParams#move */ 12572 final MoveInfo move; 12573 12574 final IPackageInstallObserver2 observer; 12575 // Always refers to PackageManager flags only 12576 final int installFlags; 12577 final String installerPackageName; 12578 final String volumeUuid; 12579 final UserHandle user; 12580 final String abiOverride; 12581 final String[] installGrantPermissions; 12582 /** If non-null, drop an async trace when the install completes */ 12583 final String traceMethod; 12584 final int traceCookie; 12585 final Certificate[][] certificates; 12586 12587 // The list of instruction sets supported by this app. This is currently 12588 // only used during the rmdex() phase to clean up resources. We can get rid of this 12589 // if we move dex files under the common app path. 12590 /* nullable */ String[] instructionSets; 12591 12592 InstallArgs(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 12593 int installFlags, String installerPackageName, String volumeUuid, 12594 UserHandle user, String[] instructionSets, 12595 String abiOverride, String[] installGrantPermissions, 12596 String traceMethod, int traceCookie, Certificate[][] certificates) { 12597 this.origin = origin; 12598 this.move = move; 12599 this.installFlags = installFlags; 12600 this.observer = observer; 12601 this.installerPackageName = installerPackageName; 12602 this.volumeUuid = volumeUuid; 12603 this.user = user; 12604 this.instructionSets = instructionSets; 12605 this.abiOverride = abiOverride; 12606 this.installGrantPermissions = installGrantPermissions; 12607 this.traceMethod = traceMethod; 12608 this.traceCookie = traceCookie; 12609 this.certificates = certificates; 12610 } 12611 12612 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 12613 abstract int doPreInstall(int status); 12614 12615 /** 12616 * Rename package into final resting place. All paths on the given 12617 * scanned package should be updated to reflect the rename. 12618 */ 12619 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 12620 abstract int doPostInstall(int status, int uid); 12621 12622 /** @see PackageSettingBase#codePathString */ 12623 abstract String getCodePath(); 12624 /** @see PackageSettingBase#resourcePathString */ 12625 abstract String getResourcePath(); 12626 12627 // Need installer lock especially for dex file removal. 12628 abstract void cleanUpResourcesLI(); 12629 abstract boolean doPostDeleteLI(boolean delete); 12630 12631 /** 12632 * Called before the source arguments are copied. This is used mostly 12633 * for MoveParams when it needs to read the source file to put it in the 12634 * destination. 12635 */ 12636 int doPreCopy() { 12637 return PackageManager.INSTALL_SUCCEEDED; 12638 } 12639 12640 /** 12641 * Called after the source arguments are copied. This is used mostly for 12642 * MoveParams when it needs to read the source file to put it in the 12643 * destination. 12644 */ 12645 int doPostCopy(int uid) { 12646 return PackageManager.INSTALL_SUCCEEDED; 12647 } 12648 12649 protected boolean isFwdLocked() { 12650 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 12651 } 12652 12653 protected boolean isExternalAsec() { 12654 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 12655 } 12656 12657 protected boolean isEphemeral() { 12658 return (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 12659 } 12660 12661 UserHandle getUser() { 12662 return user; 12663 } 12664 } 12665 12666 private void removeDexFiles(List<String> allCodePaths, String[] instructionSets) { 12667 if (!allCodePaths.isEmpty()) { 12668 if (instructionSets == null) { 12669 throw new IllegalStateException("instructionSet == null"); 12670 } 12671 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 12672 for (String codePath : allCodePaths) { 12673 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 12674 try { 12675 mInstaller.rmdex(codePath, dexCodeInstructionSet); 12676 } catch (InstallerException ignored) { 12677 } 12678 } 12679 } 12680 } 12681 } 12682 12683 /** 12684 * Logic to handle installation of non-ASEC applications, including copying 12685 * and renaming logic. 12686 */ 12687 class FileInstallArgs extends InstallArgs { 12688 private File codeFile; 12689 private File resourceFile; 12690 12691 // Example topology: 12692 // /data/app/com.example/base.apk 12693 // /data/app/com.example/split_foo.apk 12694 // /data/app/com.example/lib/arm/libfoo.so 12695 // /data/app/com.example/lib/arm64/libfoo.so 12696 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 12697 12698 /** New install */ 12699 FileInstallArgs(InstallParams params) { 12700 super(params.origin, params.move, params.observer, params.installFlags, 12701 params.installerPackageName, params.volumeUuid, 12702 params.getUser(), null /*instructionSets*/, params.packageAbiOverride, 12703 params.grantedRuntimePermissions, 12704 params.traceMethod, params.traceCookie, params.certificates); 12705 if (isFwdLocked()) { 12706 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 12707 } 12708 } 12709 12710 /** Existing install */ 12711 FileInstallArgs(String codePath, String resourcePath, String[] instructionSets) { 12712 super(OriginInfo.fromNothing(), null, null, 0, null, null, null, instructionSets, 12713 null, null, null, 0, null /*certificates*/); 12714 this.codeFile = (codePath != null) ? new File(codePath) : null; 12715 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 12716 } 12717 12718 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 12719 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyApk"); 12720 try { 12721 return doCopyApk(imcs, temp); 12722 } finally { 12723 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 12724 } 12725 } 12726 12727 private int doCopyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 12728 if (origin.staged) { 12729 if (DEBUG_INSTALL) Slog.d(TAG, origin.file + " already staged; skipping copy"); 12730 codeFile = origin.file; 12731 resourceFile = origin.file; 12732 return PackageManager.INSTALL_SUCCEEDED; 12733 } 12734 12735 try { 12736 final boolean isEphemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 12737 final File tempDir = 12738 mInstallerService.allocateStageDirLegacy(volumeUuid, isEphemeral); 12739 codeFile = tempDir; 12740 resourceFile = tempDir; 12741 } catch (IOException e) { 12742 Slog.w(TAG, "Failed to create copy file: " + e); 12743 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 12744 } 12745 12746 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 12747 @Override 12748 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 12749 if (!FileUtils.isValidExtFilename(name)) { 12750 throw new IllegalArgumentException("Invalid filename: " + name); 12751 } 12752 try { 12753 final File file = new File(codeFile, name); 12754 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 12755 O_RDWR | O_CREAT, 0644); 12756 Os.chmod(file.getAbsolutePath(), 0644); 12757 return new ParcelFileDescriptor(fd); 12758 } catch (ErrnoException e) { 12759 throw new RemoteException("Failed to open: " + e.getMessage()); 12760 } 12761 } 12762 }; 12763 12764 int ret = PackageManager.INSTALL_SUCCEEDED; 12765 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 12766 if (ret != PackageManager.INSTALL_SUCCEEDED) { 12767 Slog.e(TAG, "Failed to copy package"); 12768 return ret; 12769 } 12770 12771 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 12772 NativeLibraryHelper.Handle handle = null; 12773 try { 12774 handle = NativeLibraryHelper.Handle.create(codeFile); 12775 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 12776 abiOverride); 12777 } catch (IOException e) { 12778 Slog.e(TAG, "Copying native libraries failed", e); 12779 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 12780 } finally { 12781 IoUtils.closeQuietly(handle); 12782 } 12783 12784 return ret; 12785 } 12786 12787 int doPreInstall(int status) { 12788 if (status != PackageManager.INSTALL_SUCCEEDED) { 12789 cleanUp(); 12790 } 12791 return status; 12792 } 12793 12794 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 12795 if (status != PackageManager.INSTALL_SUCCEEDED) { 12796 cleanUp(); 12797 return false; 12798 } 12799 12800 final File targetDir = codeFile.getParentFile(); 12801 final File beforeCodeFile = codeFile; 12802 final File afterCodeFile = getNextCodePath(targetDir, pkg.packageName); 12803 12804 if (DEBUG_INSTALL) Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 12805 try { 12806 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 12807 } catch (ErrnoException e) { 12808 Slog.w(TAG, "Failed to rename", e); 12809 return false; 12810 } 12811 12812 if (!SELinux.restoreconRecursive(afterCodeFile)) { 12813 Slog.w(TAG, "Failed to restorecon"); 12814 return false; 12815 } 12816 12817 // Reflect the rename internally 12818 codeFile = afterCodeFile; 12819 resourceFile = afterCodeFile; 12820 12821 // Reflect the rename in scanned details 12822 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 12823 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 12824 afterCodeFile, pkg.baseCodePath)); 12825 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 12826 afterCodeFile, pkg.splitCodePaths)); 12827 12828 // Reflect the rename in app info 12829 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 12830 pkg.setApplicationInfoCodePath(pkg.codePath); 12831 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 12832 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 12833 pkg.setApplicationInfoResourcePath(pkg.codePath); 12834 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 12835 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 12836 12837 return true; 12838 } 12839 12840 int doPostInstall(int status, int uid) { 12841 if (status != PackageManager.INSTALL_SUCCEEDED) { 12842 cleanUp(); 12843 } 12844 return status; 12845 } 12846 12847 @Override 12848 String getCodePath() { 12849 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 12850 } 12851 12852 @Override 12853 String getResourcePath() { 12854 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 12855 } 12856 12857 private boolean cleanUp() { 12858 if (codeFile == null || !codeFile.exists()) { 12859 return false; 12860 } 12861 12862 removeCodePathLI(codeFile); 12863 12864 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 12865 resourceFile.delete(); 12866 } 12867 12868 return true; 12869 } 12870 12871 void cleanUpResourcesLI() { 12872 // Try enumerating all code paths before deleting 12873 List<String> allCodePaths = Collections.EMPTY_LIST; 12874 if (codeFile != null && codeFile.exists()) { 12875 try { 12876 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 12877 allCodePaths = pkg.getAllCodePaths(); 12878 } catch (PackageParserException e) { 12879 // Ignored; we tried our best 12880 } 12881 } 12882 12883 cleanUp(); 12884 removeDexFiles(allCodePaths, instructionSets); 12885 } 12886 12887 boolean doPostDeleteLI(boolean delete) { 12888 // XXX err, shouldn't we respect the delete flag? 12889 cleanUpResourcesLI(); 12890 return true; 12891 } 12892 } 12893 12894 private boolean isAsecExternal(String cid) { 12895 final String asecPath = PackageHelper.getSdFilesystem(cid); 12896 return !asecPath.startsWith(mAsecInternalPath); 12897 } 12898 12899 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 12900 PackageManagerException { 12901 if (copyRet < 0) { 12902 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 12903 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 12904 throw new PackageManagerException(copyRet, message); 12905 } 12906 } 12907 } 12908 12909 /** 12910 * Extract the MountService "container ID" from the full code path of an 12911 * .apk. 12912 */ 12913 static String cidFromCodePath(String fullCodePath) { 12914 int eidx = fullCodePath.lastIndexOf("/"); 12915 String subStr1 = fullCodePath.substring(0, eidx); 12916 int sidx = subStr1.lastIndexOf("/"); 12917 return subStr1.substring(sidx+1, eidx); 12918 } 12919 12920 /** 12921 * Logic to handle installation of ASEC applications, including copying and 12922 * renaming logic. 12923 */ 12924 class AsecInstallArgs extends InstallArgs { 12925 static final String RES_FILE_NAME = "pkg.apk"; 12926 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 12927 12928 String cid; 12929 String packagePath; 12930 String resourcePath; 12931 12932 /** New install */ 12933 AsecInstallArgs(InstallParams params) { 12934 super(params.origin, params.move, params.observer, params.installFlags, 12935 params.installerPackageName, params.volumeUuid, 12936 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 12937 params.grantedRuntimePermissions, 12938 params.traceMethod, params.traceCookie, params.certificates); 12939 } 12940 12941 /** Existing install */ 12942 AsecInstallArgs(String fullCodePath, String[] instructionSets, 12943 boolean isExternal, boolean isForwardLocked) { 12944 super(OriginInfo.fromNothing(), null, null, (isExternal ? INSTALL_EXTERNAL : 0) 12945 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 12946 instructionSets, null, null, null, 0, null /*certificates*/); 12947 // Hackily pretend we're still looking at a full code path 12948 if (!fullCodePath.endsWith(RES_FILE_NAME)) { 12949 fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath(); 12950 } 12951 12952 // Extract cid from fullCodePath 12953 int eidx = fullCodePath.lastIndexOf("/"); 12954 String subStr1 = fullCodePath.substring(0, eidx); 12955 int sidx = subStr1.lastIndexOf("/"); 12956 cid = subStr1.substring(sidx+1, eidx); 12957 setMountPath(subStr1); 12958 } 12959 12960 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) { 12961 super(OriginInfo.fromNothing(), null, null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 12962 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 12963 instructionSets, null, null, null, 0, null /*certificates*/); 12964 this.cid = cid; 12965 setMountPath(PackageHelper.getSdDir(cid)); 12966 } 12967 12968 void createCopyFile() { 12969 cid = mInstallerService.allocateExternalStageCidLegacy(); 12970 } 12971 12972 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 12973 if (origin.staged && origin.cid != null) { 12974 if (DEBUG_INSTALL) Slog.d(TAG, origin.cid + " already staged; skipping copy"); 12975 cid = origin.cid; 12976 setMountPath(PackageHelper.getSdDir(cid)); 12977 return PackageManager.INSTALL_SUCCEEDED; 12978 } 12979 12980 if (temp) { 12981 createCopyFile(); 12982 } else { 12983 /* 12984 * Pre-emptively destroy the container since it's destroyed if 12985 * copying fails due to it existing anyway. 12986 */ 12987 PackageHelper.destroySdDir(cid); 12988 } 12989 12990 final String newMountPath = imcs.copyPackageToContainer( 12991 origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternalAsec(), 12992 isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */)); 12993 12994 if (newMountPath != null) { 12995 setMountPath(newMountPath); 12996 return PackageManager.INSTALL_SUCCEEDED; 12997 } else { 12998 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 12999 } 13000 } 13001 13002 @Override 13003 String getCodePath() { 13004 return packagePath; 13005 } 13006 13007 @Override 13008 String getResourcePath() { 13009 return resourcePath; 13010 } 13011 13012 int doPreInstall(int status) { 13013 if (status != PackageManager.INSTALL_SUCCEEDED) { 13014 // Destroy container 13015 PackageHelper.destroySdDir(cid); 13016 } else { 13017 boolean mounted = PackageHelper.isContainerMounted(cid); 13018 if (!mounted) { 13019 String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(), 13020 Process.SYSTEM_UID); 13021 if (newMountPath != null) { 13022 setMountPath(newMountPath); 13023 } else { 13024 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13025 } 13026 } 13027 } 13028 return status; 13029 } 13030 13031 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13032 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 13033 String newMountPath = null; 13034 if (PackageHelper.isContainerMounted(cid)) { 13035 // Unmount the container 13036 if (!PackageHelper.unMountSdDir(cid)) { 13037 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 13038 return false; 13039 } 13040 } 13041 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 13042 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 13043 " which might be stale. Will try to clean up."); 13044 // Clean up the stale container and proceed to recreate. 13045 if (!PackageHelper.destroySdDir(newCacheId)) { 13046 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 13047 return false; 13048 } 13049 // Successfully cleaned up stale container. Try to rename again. 13050 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 13051 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 13052 + " inspite of cleaning it up."); 13053 return false; 13054 } 13055 } 13056 if (!PackageHelper.isContainerMounted(newCacheId)) { 13057 Slog.w(TAG, "Mounting container " + newCacheId); 13058 newMountPath = PackageHelper.mountSdDir(newCacheId, 13059 getEncryptKey(), Process.SYSTEM_UID); 13060 } else { 13061 newMountPath = PackageHelper.getSdDir(newCacheId); 13062 } 13063 if (newMountPath == null) { 13064 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 13065 return false; 13066 } 13067 Log.i(TAG, "Succesfully renamed " + cid + 13068 " to " + newCacheId + 13069 " at new path: " + newMountPath); 13070 cid = newCacheId; 13071 13072 final File beforeCodeFile = new File(packagePath); 13073 setMountPath(newMountPath); 13074 final File afterCodeFile = new File(packagePath); 13075 13076 // Reflect the rename in scanned details 13077 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 13078 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 13079 afterCodeFile, pkg.baseCodePath)); 13080 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 13081 afterCodeFile, pkg.splitCodePaths)); 13082 13083 // Reflect the rename in app info 13084 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13085 pkg.setApplicationInfoCodePath(pkg.codePath); 13086 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13087 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13088 pkg.setApplicationInfoResourcePath(pkg.codePath); 13089 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13090 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13091 13092 return true; 13093 } 13094 13095 private void setMountPath(String mountPath) { 13096 final File mountFile = new File(mountPath); 13097 13098 final File monolithicFile = new File(mountFile, RES_FILE_NAME); 13099 if (monolithicFile.exists()) { 13100 packagePath = monolithicFile.getAbsolutePath(); 13101 if (isFwdLocked()) { 13102 resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath(); 13103 } else { 13104 resourcePath = packagePath; 13105 } 13106 } else { 13107 packagePath = mountFile.getAbsolutePath(); 13108 resourcePath = packagePath; 13109 } 13110 } 13111 13112 int doPostInstall(int status, int uid) { 13113 if (status != PackageManager.INSTALL_SUCCEEDED) { 13114 cleanUp(); 13115 } else { 13116 final int groupOwner; 13117 final String protectedFile; 13118 if (isFwdLocked()) { 13119 groupOwner = UserHandle.getSharedAppGid(uid); 13120 protectedFile = RES_FILE_NAME; 13121 } else { 13122 groupOwner = -1; 13123 protectedFile = null; 13124 } 13125 13126 if (uid < Process.FIRST_APPLICATION_UID 13127 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 13128 Slog.e(TAG, "Failed to finalize " + cid); 13129 PackageHelper.destroySdDir(cid); 13130 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13131 } 13132 13133 boolean mounted = PackageHelper.isContainerMounted(cid); 13134 if (!mounted) { 13135 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 13136 } 13137 } 13138 return status; 13139 } 13140 13141 private void cleanUp() { 13142 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 13143 13144 // Destroy secure container 13145 PackageHelper.destroySdDir(cid); 13146 } 13147 13148 private List<String> getAllCodePaths() { 13149 final File codeFile = new File(getCodePath()); 13150 if (codeFile != null && codeFile.exists()) { 13151 try { 13152 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 13153 return pkg.getAllCodePaths(); 13154 } catch (PackageParserException e) { 13155 // Ignored; we tried our best 13156 } 13157 } 13158 return Collections.EMPTY_LIST; 13159 } 13160 13161 void cleanUpResourcesLI() { 13162 // Enumerate all code paths before deleting 13163 cleanUpResourcesLI(getAllCodePaths()); 13164 } 13165 13166 private void cleanUpResourcesLI(List<String> allCodePaths) { 13167 cleanUp(); 13168 removeDexFiles(allCodePaths, instructionSets); 13169 } 13170 13171 String getPackageName() { 13172 return getAsecPackageName(cid); 13173 } 13174 13175 boolean doPostDeleteLI(boolean delete) { 13176 if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete); 13177 final List<String> allCodePaths = getAllCodePaths(); 13178 boolean mounted = PackageHelper.isContainerMounted(cid); 13179 if (mounted) { 13180 // Unmount first 13181 if (PackageHelper.unMountSdDir(cid)) { 13182 mounted = false; 13183 } 13184 } 13185 if (!mounted && delete) { 13186 cleanUpResourcesLI(allCodePaths); 13187 } 13188 return !mounted; 13189 } 13190 13191 @Override 13192 int doPreCopy() { 13193 if (isFwdLocked()) { 13194 if (!PackageHelper.fixSdPermissions(cid, getPackageUid(DEFAULT_CONTAINER_PACKAGE, 13195 MATCH_SYSTEM_ONLY, UserHandle.USER_SYSTEM), RES_FILE_NAME)) { 13196 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13197 } 13198 } 13199 13200 return PackageManager.INSTALL_SUCCEEDED; 13201 } 13202 13203 @Override 13204 int doPostCopy(int uid) { 13205 if (isFwdLocked()) { 13206 if (uid < Process.FIRST_APPLICATION_UID 13207 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 13208 RES_FILE_NAME)) { 13209 Slog.e(TAG, "Failed to finalize " + cid); 13210 PackageHelper.destroySdDir(cid); 13211 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 13212 } 13213 } 13214 13215 return PackageManager.INSTALL_SUCCEEDED; 13216 } 13217 } 13218 13219 /** 13220 * Logic to handle movement of existing installed applications. 13221 */ 13222 class MoveInstallArgs extends InstallArgs { 13223 private File codeFile; 13224 private File resourceFile; 13225 13226 /** New install */ 13227 MoveInstallArgs(InstallParams params) { 13228 super(params.origin, params.move, params.observer, params.installFlags, 13229 params.installerPackageName, params.volumeUuid, 13230 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 13231 params.grantedRuntimePermissions, 13232 params.traceMethod, params.traceCookie, params.certificates); 13233 } 13234 13235 int copyApk(IMediaContainerService imcs, boolean temp) { 13236 if (DEBUG_INSTALL) Slog.d(TAG, "Moving " + move.packageName + " from " 13237 + move.fromUuid + " to " + move.toUuid); 13238 synchronized (mInstaller) { 13239 try { 13240 mInstaller.moveCompleteApp(move.fromUuid, move.toUuid, move.packageName, 13241 move.dataAppName, move.appId, move.seinfo, move.targetSdkVersion); 13242 } catch (InstallerException e) { 13243 Slog.w(TAG, "Failed to move app", e); 13244 return PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 13245 } 13246 } 13247 13248 codeFile = new File(Environment.getDataAppDirectory(move.toUuid), move.dataAppName); 13249 resourceFile = codeFile; 13250 if (DEBUG_INSTALL) Slog.d(TAG, "codeFile after move is " + codeFile); 13251 13252 return PackageManager.INSTALL_SUCCEEDED; 13253 } 13254 13255 int doPreInstall(int status) { 13256 if (status != PackageManager.INSTALL_SUCCEEDED) { 13257 cleanUp(move.toUuid); 13258 } 13259 return status; 13260 } 13261 13262 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 13263 if (status != PackageManager.INSTALL_SUCCEEDED) { 13264 cleanUp(move.toUuid); 13265 return false; 13266 } 13267 13268 // Reflect the move in app info 13269 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 13270 pkg.setApplicationInfoCodePath(pkg.codePath); 13271 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 13272 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 13273 pkg.setApplicationInfoResourcePath(pkg.codePath); 13274 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 13275 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 13276 13277 return true; 13278 } 13279 13280 int doPostInstall(int status, int uid) { 13281 if (status == PackageManager.INSTALL_SUCCEEDED) { 13282 cleanUp(move.fromUuid); 13283 } else { 13284 cleanUp(move.toUuid); 13285 } 13286 return status; 13287 } 13288 13289 @Override 13290 String getCodePath() { 13291 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 13292 } 13293 13294 @Override 13295 String getResourcePath() { 13296 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 13297 } 13298 13299 private boolean cleanUp(String volumeUuid) { 13300 final File codeFile = new File(Environment.getDataAppDirectory(volumeUuid), 13301 move.dataAppName); 13302 Slog.d(TAG, "Cleaning up " + move.packageName + " on " + volumeUuid); 13303 synchronized (mInstallLock) { 13304 // Clean up both app data and code 13305 removeDataDirsLI(volumeUuid, move.packageName); 13306 removeCodePathLI(codeFile); 13307 } 13308 return true; 13309 } 13310 13311 void cleanUpResourcesLI() { 13312 throw new UnsupportedOperationException(); 13313 } 13314 13315 boolean doPostDeleteLI(boolean delete) { 13316 throw new UnsupportedOperationException(); 13317 } 13318 } 13319 13320 static String getAsecPackageName(String packageCid) { 13321 int idx = packageCid.lastIndexOf("-"); 13322 if (idx == -1) { 13323 return packageCid; 13324 } 13325 return packageCid.substring(0, idx); 13326 } 13327 13328 // Utility method used to create code paths based on package name and available index. 13329 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 13330 String idxStr = ""; 13331 int idx = 1; 13332 // Fall back to default value of idx=1 if prefix is not 13333 // part of oldCodePath 13334 if (oldCodePath != null) { 13335 String subStr = oldCodePath; 13336 // Drop the suffix right away 13337 if (suffix != null && subStr.endsWith(suffix)) { 13338 subStr = subStr.substring(0, subStr.length() - suffix.length()); 13339 } 13340 // If oldCodePath already contains prefix find out the 13341 // ending index to either increment or decrement. 13342 int sidx = subStr.lastIndexOf(prefix); 13343 if (sidx != -1) { 13344 subStr = subStr.substring(sidx + prefix.length()); 13345 if (subStr != null) { 13346 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 13347 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 13348 } 13349 try { 13350 idx = Integer.parseInt(subStr); 13351 if (idx <= 1) { 13352 idx++; 13353 } else { 13354 idx--; 13355 } 13356 } catch(NumberFormatException e) { 13357 } 13358 } 13359 } 13360 } 13361 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 13362 return prefix + idxStr; 13363 } 13364 13365 private File getNextCodePath(File targetDir, String packageName) { 13366 int suffix = 1; 13367 File result; 13368 do { 13369 result = new File(targetDir, packageName + "-" + suffix); 13370 suffix++; 13371 } while (result.exists()); 13372 return result; 13373 } 13374 13375 // Utility method that returns the relative package path with respect 13376 // to the installation directory. Like say for /data/data/com.test-1.apk 13377 // string com.test-1 is returned. 13378 static String deriveCodePathName(String codePath) { 13379 if (codePath == null) { 13380 return null; 13381 } 13382 final File codeFile = new File(codePath); 13383 final String name = codeFile.getName(); 13384 if (codeFile.isDirectory()) { 13385 return name; 13386 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 13387 final int lastDot = name.lastIndexOf('.'); 13388 return name.substring(0, lastDot); 13389 } else { 13390 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 13391 return null; 13392 } 13393 } 13394 13395 static class PackageInstalledInfo { 13396 String name; 13397 int uid; 13398 // The set of users that originally had this package installed. 13399 int[] origUsers; 13400 // The set of users that now have this package installed. 13401 int[] newUsers; 13402 PackageParser.Package pkg; 13403 int returnCode; 13404 String returnMsg; 13405 PackageRemovedInfo removedInfo; 13406 ArrayMap<String, PackageInstalledInfo> addedChildPackages; 13407 13408 public void setError(int code, String msg) { 13409 setReturnCode(code); 13410 setReturnMessage(msg); 13411 Slog.w(TAG, msg); 13412 } 13413 13414 public void setError(String msg, PackageParserException e) { 13415 setReturnCode(e.error); 13416 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 13417 Slog.w(TAG, msg, e); 13418 } 13419 13420 public void setError(String msg, PackageManagerException e) { 13421 returnCode = e.error; 13422 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 13423 Slog.w(TAG, msg, e); 13424 } 13425 13426 public void setReturnCode(int returnCode) { 13427 this.returnCode = returnCode; 13428 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 13429 for (int i = 0; i < childCount; i++) { 13430 addedChildPackages.valueAt(i).returnCode = returnCode; 13431 } 13432 } 13433 13434 private void setReturnMessage(String returnMsg) { 13435 this.returnMsg = returnMsg; 13436 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 13437 for (int i = 0; i < childCount; i++) { 13438 addedChildPackages.valueAt(i).returnMsg = returnMsg; 13439 } 13440 } 13441 13442 // In some error cases we want to convey more info back to the observer 13443 String origPackage; 13444 String origPermission; 13445 } 13446 13447 /* 13448 * Install a non-existing package. 13449 */ 13450 private void installNewPackageLI(PackageParser.Package pkg, int parseFlags, int scanFlags, 13451 UserHandle user, String installerPackageName, String volumeUuid, 13452 PackageInstalledInfo res) { 13453 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installNewPackage"); 13454 13455 // Remember this for later, in case we need to rollback this install 13456 String pkgName = pkg.packageName; 13457 13458 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 13459 13460 synchronized(mPackages) { 13461 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 13462 // A package with the same name is already installed, though 13463 // it has been renamed to an older name. The package we 13464 // are trying to install should be installed as an update to 13465 // the existing one, but that has not been requested, so bail. 13466 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 13467 + " without first uninstalling package running as " 13468 + mSettings.mRenamedPackages.get(pkgName)); 13469 return; 13470 } 13471 if (mPackages.containsKey(pkgName)) { 13472 // Don't allow installation over an existing package with the same name. 13473 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 13474 + " without first uninstalling."); 13475 return; 13476 } 13477 } 13478 13479 try { 13480 PackageParser.Package newPackage = scanPackageTracedLI(pkg, parseFlags, scanFlags, 13481 System.currentTimeMillis(), user); 13482 13483 updateSettingsLI(newPackage, installerPackageName, null, res, user); 13484 13485 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 13486 prepareAppDataAfterInstall(newPackage); 13487 13488 } else { 13489 // Remove package from internal structures, but keep around any 13490 // data that might have already existed 13491 deletePackageLI(pkgName, UserHandle.ALL, false, null, 13492 PackageManager.DELETE_KEEP_DATA, res.removedInfo, true, null); 13493 } 13494 } catch (PackageManagerException e) { 13495 res.setError("Package couldn't be installed in " + pkg.codePath, e); 13496 } 13497 13498 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13499 } 13500 13501 private boolean shouldCheckUpgradeKeySetLP(PackageSetting oldPs, int scanFlags) { 13502 // Can't rotate keys during boot or if sharedUser. 13503 if (oldPs == null || (scanFlags&SCAN_INITIAL) != 0 || oldPs.sharedUser != null 13504 || !oldPs.keySetData.isUsingUpgradeKeySets()) { 13505 return false; 13506 } 13507 // app is using upgradeKeySets; make sure all are valid 13508 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13509 long[] upgradeKeySets = oldPs.keySetData.getUpgradeKeySets(); 13510 for (int i = 0; i < upgradeKeySets.length; i++) { 13511 if (!ksms.isIdValidKeySetId(upgradeKeySets[i])) { 13512 Slog.wtf(TAG, "Package " 13513 + (oldPs.name != null ? oldPs.name : "<null>") 13514 + " contains upgrade-key-set reference to unknown key-set: " 13515 + upgradeKeySets[i] 13516 + " reverting to signatures check."); 13517 return false; 13518 } 13519 } 13520 return true; 13521 } 13522 13523 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 13524 // Upgrade keysets are being used. Determine if new package has a superset of the 13525 // required keys. 13526 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 13527 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13528 for (int i = 0; i < upgradeKeySets.length; i++) { 13529 Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); 13530 if (upgradeSet != null && newPkg.mSigningKeys.containsAll(upgradeSet)) { 13531 return true; 13532 } 13533 } 13534 return false; 13535 } 13536 13537 private void replacePackageLI(PackageParser.Package pkg, int parseFlags, int scanFlags, 13538 UserHandle user, String installerPackageName, PackageInstalledInfo res) { 13539 final boolean isEphemeral = (parseFlags & PackageParser.PARSE_IS_EPHEMERAL) != 0; 13540 13541 final PackageParser.Package oldPackage; 13542 final String pkgName = pkg.packageName; 13543 final int[] allUsers; 13544 final boolean weFroze; 13545 13546 // First find the old package info and check signatures 13547 synchronized(mPackages) { 13548 oldPackage = mPackages.get(pkgName); 13549 final boolean oldIsEphemeral = oldPackage.applicationInfo.isEphemeralApp(); 13550 if (isEphemeral && !oldIsEphemeral) { 13551 // can't downgrade from full to ephemeral 13552 Slog.w(TAG, "Can't replace app with ephemeral: " + pkgName); 13553 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 13554 return; 13555 } 13556 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 13557 final PackageSetting ps = mSettings.mPackages.get(pkgName); 13558 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 13559 if (!checkUpgradeKeySetLP(ps, pkg)) { 13560 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 13561 "New package not signed by keys specified by upgrade-keysets: " 13562 + pkgName); 13563 return; 13564 } 13565 } else { 13566 // default to original signature matching 13567 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 13568 != PackageManager.SIGNATURE_MATCH) { 13569 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 13570 "New package has a different signature: " + pkgName); 13571 return; 13572 } 13573 } 13574 13575 // In case of rollback, remember per-user/profile install state 13576 allUsers = sUserManager.getUserIds(); 13577 13578 // Mark the app as frozen to prevent launching during the upgrade 13579 // process, and then kill all running instances 13580 if (!ps.frozen) { 13581 ps.frozen = true; 13582 weFroze = true; 13583 } else { 13584 weFroze = false; 13585 } 13586 } 13587 13588 try { 13589 replacePackageDirtyLI(pkg, oldPackage, parseFlags, scanFlags, user, allUsers, 13590 installerPackageName, res); 13591 } finally { 13592 // Regardless of success or failure of upgrade steps above, always 13593 // unfreeze the package if we froze it 13594 if (weFroze) { 13595 unfreezePackage(pkgName); 13596 } 13597 } 13598 } 13599 13600 private void replacePackageDirtyLI(PackageParser.Package pkg, PackageParser.Package oldPackage, 13601 int parseFlags, int scanFlags, UserHandle user, int[] allUsers, 13602 String installerPackageName, PackageInstalledInfo res) { 13603 // Update what is removed 13604 res.removedInfo = new PackageRemovedInfo(); 13605 res.removedInfo.uid = oldPackage.applicationInfo.uid; 13606 res.removedInfo.removedPackage = oldPackage.packageName; 13607 res.removedInfo.isUpdate = true; 13608 final int childCount = (oldPackage.childPackages != null) 13609 ? oldPackage.childPackages.size() : 0; 13610 for (int i = 0; i < childCount; i++) { 13611 boolean childPackageUpdated = false; 13612 PackageParser.Package childPkg = oldPackage.childPackages.get(i); 13613 if (res.addedChildPackages != null) { 13614 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 13615 if (childRes != null) { 13616 childRes.removedInfo.uid = childPkg.applicationInfo.uid; 13617 childRes.removedInfo.removedPackage = childPkg.packageName; 13618 childRes.removedInfo.isUpdate = true; 13619 childPackageUpdated = true; 13620 } 13621 } 13622 if (!childPackageUpdated) { 13623 PackageRemovedInfo childRemovedRes = new PackageRemovedInfo(); 13624 childRemovedRes.removedPackage = childPkg.packageName; 13625 childRemovedRes.isUpdate = false; 13626 childRemovedRes.dataRemoved = true; 13627 synchronized (mPackages) { 13628 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 13629 if (childPs != null) { 13630 childRemovedRes.origUsers = childPs.queryInstalledUsers(allUsers, true); 13631 } 13632 } 13633 if (res.removedInfo.removedChildPackages == null) { 13634 res.removedInfo.removedChildPackages = new ArrayMap<>(); 13635 } 13636 res.removedInfo.removedChildPackages.put(childPkg.packageName, childRemovedRes); 13637 } 13638 } 13639 13640 boolean sysPkg = (isSystemApp(oldPackage)); 13641 if (sysPkg) { 13642 replaceSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags, 13643 user, allUsers, installerPackageName, res); 13644 } else { 13645 replaceNonSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags, 13646 user, allUsers, installerPackageName, res); 13647 } 13648 } 13649 13650 public List<String> getPreviousCodePaths(String packageName) { 13651 final PackageSetting ps = mSettings.mPackages.get(packageName); 13652 final List<String> result = new ArrayList<String>(); 13653 if (ps != null && ps.oldCodePaths != null) { 13654 result.addAll(ps.oldCodePaths); 13655 } 13656 return result; 13657 } 13658 13659 private void replaceNonSystemPackageLI(PackageParser.Package deletedPackage, 13660 PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user, 13661 int[] allUsers, String installerPackageName, PackageInstalledInfo res) { 13662 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 13663 + deletedPackage); 13664 13665 String pkgName = deletedPackage.packageName; 13666 boolean deletedPkg = true; 13667 boolean addedPkg = false; 13668 boolean updatedSettings = false; 13669 final boolean killApp = (scanFlags & SCAN_DONT_KILL_APP) == 0; 13670 final int deleteFlags = PackageManager.DELETE_KEEP_DATA 13671 | (killApp ? 0 : PackageManager.DELETE_DONT_KILL_APP); 13672 13673 final long origUpdateTime = (pkg.mExtras != null) 13674 ? ((PackageSetting)pkg.mExtras).lastUpdateTime : 0; 13675 13676 // First delete the existing package while retaining the data directory 13677 if (!deletePackageLI(pkgName, null, true, allUsers, deleteFlags, 13678 res.removedInfo, true, pkg)) { 13679 // If the existing package wasn't successfully deleted 13680 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 13681 deletedPkg = false; 13682 } else { 13683 // Successfully deleted the old package; proceed with replace. 13684 13685 // If deleted package lived in a container, give users a chance to 13686 // relinquish resources before killing. 13687 if (deletedPackage.isForwardLocked() || isExternal(deletedPackage)) { 13688 if (DEBUG_INSTALL) { 13689 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 13690 } 13691 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 13692 final ArrayList<String> pkgList = new ArrayList<String>(1); 13693 pkgList.add(deletedPackage.applicationInfo.packageName); 13694 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 13695 } 13696 13697 deleteCodeCacheDirsLI(pkg); 13698 deleteProfilesLI(pkg, /*destroy*/ false); 13699 13700 try { 13701 final PackageParser.Package newPackage = scanPackageTracedLI(pkg, parseFlags, 13702 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 13703 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user); 13704 13705 // Update the in-memory copy of the previous code paths. 13706 PackageSetting ps = mSettings.mPackages.get(pkgName); 13707 if (!killApp) { 13708 if (ps.oldCodePaths == null) { 13709 ps.oldCodePaths = new ArraySet<>(); 13710 } 13711 Collections.addAll(ps.oldCodePaths, deletedPackage.baseCodePath); 13712 if (deletedPackage.splitCodePaths != null) { 13713 Collections.addAll(ps.oldCodePaths, deletedPackage.splitCodePaths); 13714 } 13715 } else { 13716 ps.oldCodePaths = null; 13717 } 13718 if (ps.childPackageNames != null) { 13719 for (int i = ps.childPackageNames.size() - 1; i >= 0; --i) { 13720 final String childPkgName = ps.childPackageNames.get(i); 13721 final PackageSetting childPs = mSettings.mPackages.get(childPkgName); 13722 childPs.oldCodePaths = ps.oldCodePaths; 13723 } 13724 } 13725 prepareAppDataAfterInstall(newPackage); 13726 addedPkg = true; 13727 } catch (PackageManagerException e) { 13728 res.setError("Package couldn't be installed in " + pkg.codePath, e); 13729 } 13730 } 13731 13732 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 13733 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 13734 13735 // Revert all internal state mutations and added folders for the failed install 13736 if (addedPkg) { 13737 deletePackageLI(pkgName, null, true, allUsers, deleteFlags, 13738 res.removedInfo, true, null); 13739 } 13740 13741 // Restore the old package 13742 if (deletedPkg) { 13743 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 13744 File restoreFile = new File(deletedPackage.codePath); 13745 // Parse old package 13746 boolean oldExternal = isExternal(deletedPackage); 13747 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 13748 (deletedPackage.isForwardLocked() ? PackageParser.PARSE_FORWARD_LOCK : 0) | 13749 (oldExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0); 13750 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 13751 try { 13752 scanPackageTracedLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, 13753 null); 13754 } catch (PackageManagerException e) { 13755 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 13756 + e.getMessage()); 13757 return; 13758 } 13759 13760 synchronized (mPackages) { 13761 // Ensure the installer package name up to date 13762 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 13763 13764 // Update permissions for restored package 13765 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 13766 13767 mSettings.writeLPr(); 13768 } 13769 13770 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 13771 } 13772 } else { 13773 synchronized (mPackages) { 13774 PackageSetting ps = mSettings.peekPackageLPr(pkg.packageName); 13775 if (ps != null) { 13776 res.removedInfo.removedForAllUsers = mPackages.get(ps.name) == null; 13777 if (res.removedInfo.removedChildPackages != null) { 13778 final int childCount = res.removedInfo.removedChildPackages.size(); 13779 // Iterate in reverse as we may modify the collection 13780 for (int i = childCount - 1; i >= 0; i--) { 13781 String childPackageName = res.removedInfo.removedChildPackages.keyAt(i); 13782 if (res.addedChildPackages.containsKey(childPackageName)) { 13783 res.removedInfo.removedChildPackages.removeAt(i); 13784 } else { 13785 PackageRemovedInfo childInfo = res.removedInfo 13786 .removedChildPackages.valueAt(i); 13787 childInfo.removedForAllUsers = mPackages.get( 13788 childInfo.removedPackage) == null; 13789 } 13790 } 13791 } 13792 } 13793 } 13794 } 13795 } 13796 13797 private void replaceSystemPackageLI(PackageParser.Package deletedPackage, 13798 PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user, 13799 int[] allUsers, String installerPackageName, PackageInstalledInfo res) { 13800 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 13801 + ", old=" + deletedPackage); 13802 13803 final boolean disabledSystem; 13804 13805 // Set the system/privileged flags as needed 13806 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 13807 if ((deletedPackage.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) 13808 != 0) { 13809 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 13810 } 13811 13812 // Kill package processes including services, providers, etc. 13813 killPackage(deletedPackage, "replace sys pkg"); 13814 13815 // Remove existing system package 13816 removePackageLI(deletedPackage, true); 13817 13818 disabledSystem = disableSystemPackageLPw(deletedPackage, pkg); 13819 if (!disabledSystem) { 13820 // We didn't need to disable the .apk as a current system package, 13821 // which means we are replacing another update that is already 13822 // installed. We need to make sure to delete the older one's .apk. 13823 res.removedInfo.args = createInstallArgsForExisting(0, 13824 deletedPackage.applicationInfo.getCodePath(), 13825 deletedPackage.applicationInfo.getResourcePath(), 13826 getAppDexInstructionSets(deletedPackage.applicationInfo)); 13827 } else { 13828 res.removedInfo.args = null; 13829 } 13830 13831 // Successfully disabled the old package. Now proceed with re-installation 13832 deleteCodeCacheDirsLI(pkg); 13833 deleteProfilesLI(pkg, /*destroy*/ false); 13834 13835 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 13836 pkg.setApplicationInfoFlags(ApplicationInfo.FLAG_UPDATED_SYSTEM_APP, 13837 ApplicationInfo.FLAG_UPDATED_SYSTEM_APP); 13838 13839 PackageParser.Package newPackage = null; 13840 try { 13841 // Add the package to the internal data structures 13842 newPackage = scanPackageTracedLI(pkg, parseFlags, scanFlags, 0, user); 13843 13844 // Set the update and install times 13845 PackageSetting deletedPkgSetting = (PackageSetting) deletedPackage.mExtras; 13846 setInstallAndUpdateTime(newPackage, deletedPkgSetting.firstInstallTime, 13847 System.currentTimeMillis()); 13848 13849 // Check for shared user id changes 13850 String invalidPackageName = getParentOrChildPackageChangedSharedUser( 13851 deletedPackage, newPackage); 13852 if (invalidPackageName != null) { 13853 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 13854 "Forbidding shared user change from " + deletedPkgSetting.sharedUser 13855 + " to " + invalidPackageName); 13856 } 13857 13858 // Update the package dynamic state if succeeded 13859 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 13860 // Now that the install succeeded make sure we remove data 13861 // directories for any child package the update removed. 13862 final int deletedChildCount = (deletedPackage.childPackages != null) 13863 ? deletedPackage.childPackages.size() : 0; 13864 final int newChildCount = (newPackage.childPackages != null) 13865 ? newPackage.childPackages.size() : 0; 13866 for (int i = 0; i < deletedChildCount; i++) { 13867 PackageParser.Package deletedChildPkg = deletedPackage.childPackages.get(i); 13868 boolean childPackageDeleted = true; 13869 for (int j = 0; j < newChildCount; j++) { 13870 PackageParser.Package newChildPkg = newPackage.childPackages.get(j); 13871 if (deletedChildPkg.packageName.equals(newChildPkg.packageName)) { 13872 childPackageDeleted = false; 13873 break; 13874 } 13875 } 13876 if (childPackageDeleted) { 13877 PackageSetting ps = mSettings.getDisabledSystemPkgLPr( 13878 deletedChildPkg.packageName); 13879 if (ps != null && res.removedInfo.removedChildPackages != null) { 13880 PackageRemovedInfo removedChildRes = res.removedInfo 13881 .removedChildPackages.get(deletedChildPkg.packageName); 13882 removePackageDataLI(ps, allUsers, removedChildRes, 0, false); 13883 removedChildRes.removedForAllUsers = mPackages.get(ps.name) == null; 13884 } 13885 } 13886 } 13887 13888 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user); 13889 prepareAppDataAfterInstall(newPackage); 13890 } 13891 } catch (PackageManagerException e) { 13892 res.setReturnCode(INSTALL_FAILED_INTERNAL_ERROR); 13893 res.setError("Package couldn't be installed in " + pkg.codePath, e); 13894 } 13895 13896 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 13897 // Re installation failed. Restore old information 13898 // Remove new pkg information 13899 if (newPackage != null) { 13900 removeInstalledPackageLI(newPackage, true); 13901 } 13902 // Add back the old system package 13903 try { 13904 scanPackageTracedLI(deletedPackage, parseFlags, SCAN_UPDATE_SIGNATURE, 0, user); 13905 } catch (PackageManagerException e) { 13906 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 13907 } 13908 13909 synchronized (mPackages) { 13910 if (disabledSystem) { 13911 enableSystemPackageLPw(deletedPackage); 13912 } 13913 13914 // Ensure the installer package name up to date 13915 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 13916 13917 // Update permissions for restored package 13918 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 13919 13920 mSettings.writeLPr(); 13921 } 13922 13923 Slog.i(TAG, "Successfully restored package : " + deletedPackage.packageName 13924 + " after failed upgrade"); 13925 } 13926 } 13927 13928 /** 13929 * Checks whether the parent or any of the child packages have a change shared 13930 * user. For a package to be a valid update the shred users of the parent and 13931 * the children should match. We may later support changing child shared users. 13932 * @param oldPkg The updated package. 13933 * @param newPkg The update package. 13934 * @return The shared user that change between the versions. 13935 */ 13936 private String getParentOrChildPackageChangedSharedUser(PackageParser.Package oldPkg, 13937 PackageParser.Package newPkg) { 13938 // Check parent shared user 13939 if (!Objects.equals(oldPkg.mSharedUserId, newPkg.mSharedUserId)) { 13940 return newPkg.packageName; 13941 } 13942 // Check child shared users 13943 final int oldChildCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 13944 final int newChildCount = (newPkg.childPackages != null) ? newPkg.childPackages.size() : 0; 13945 for (int i = 0; i < newChildCount; i++) { 13946 PackageParser.Package newChildPkg = newPkg.childPackages.get(i); 13947 // If this child was present, did it have the same shared user? 13948 for (int j = 0; j < oldChildCount; j++) { 13949 PackageParser.Package oldChildPkg = oldPkg.childPackages.get(j); 13950 if (newChildPkg.packageName.equals(oldChildPkg.packageName) 13951 && !Objects.equals(newChildPkg.mSharedUserId, oldChildPkg.mSharedUserId)) { 13952 return newChildPkg.packageName; 13953 } 13954 } 13955 } 13956 return null; 13957 } 13958 13959 private void removeNativeBinariesLI(PackageSetting ps) { 13960 // Remove the lib path for the parent package 13961 if (ps != null) { 13962 NativeLibraryHelper.removeNativeBinariesLI(ps.legacyNativeLibraryPathString); 13963 // Remove the lib path for the child packages 13964 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 13965 for (int i = 0; i < childCount; i++) { 13966 PackageSetting childPs = null; 13967 synchronized (mPackages) { 13968 childPs = mSettings.peekPackageLPr(ps.childPackageNames.get(i)); 13969 } 13970 if (childPs != null) { 13971 NativeLibraryHelper.removeNativeBinariesLI(childPs 13972 .legacyNativeLibraryPathString); 13973 } 13974 } 13975 } 13976 } 13977 13978 private void enableSystemPackageLPw(PackageParser.Package pkg) { 13979 // Enable the parent package 13980 mSettings.enableSystemPackageLPw(pkg.packageName); 13981 // Enable the child packages 13982 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 13983 for (int i = 0; i < childCount; i++) { 13984 PackageParser.Package childPkg = pkg.childPackages.get(i); 13985 mSettings.enableSystemPackageLPw(childPkg.packageName); 13986 } 13987 } 13988 13989 private boolean disableSystemPackageLPw(PackageParser.Package oldPkg, 13990 PackageParser.Package newPkg) { 13991 // Disable the parent package (parent always replaced) 13992 boolean disabled = mSettings.disableSystemPackageLPw(oldPkg.packageName, true); 13993 // Disable the child packages 13994 final int childCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 13995 for (int i = 0; i < childCount; i++) { 13996 PackageParser.Package childPkg = oldPkg.childPackages.get(i); 13997 final boolean replace = newPkg.hasChildPackage(childPkg.packageName); 13998 disabled |= mSettings.disableSystemPackageLPw(childPkg.packageName, replace); 13999 } 14000 return disabled; 14001 } 14002 14003 private void setInstallerPackageNameLPw(PackageParser.Package pkg, 14004 String installerPackageName) { 14005 // Enable the parent package 14006 mSettings.setInstallerPackageName(pkg.packageName, installerPackageName); 14007 // Enable the child packages 14008 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14009 for (int i = 0; i < childCount; i++) { 14010 PackageParser.Package childPkg = pkg.childPackages.get(i); 14011 mSettings.setInstallerPackageName(childPkg.packageName, installerPackageName); 14012 } 14013 } 14014 14015 private int[] revokeUnusedSharedUserPermissionsLPw(SharedUserSetting su, int[] allUserIds) { 14016 // Collect all used permissions in the UID 14017 ArraySet<String> usedPermissions = new ArraySet<>(); 14018 final int packageCount = su.packages.size(); 14019 for (int i = 0; i < packageCount; i++) { 14020 PackageSetting ps = su.packages.valueAt(i); 14021 if (ps.pkg == null) { 14022 continue; 14023 } 14024 final int requestedPermCount = ps.pkg.requestedPermissions.size(); 14025 for (int j = 0; j < requestedPermCount; j++) { 14026 String permission = ps.pkg.requestedPermissions.get(j); 14027 BasePermission bp = mSettings.mPermissions.get(permission); 14028 if (bp != null) { 14029 usedPermissions.add(permission); 14030 } 14031 } 14032 } 14033 14034 PermissionsState permissionsState = su.getPermissionsState(); 14035 // Prune install permissions 14036 List<PermissionState> installPermStates = permissionsState.getInstallPermissionStates(); 14037 final int installPermCount = installPermStates.size(); 14038 for (int i = installPermCount - 1; i >= 0; i--) { 14039 PermissionState permissionState = installPermStates.get(i); 14040 if (!usedPermissions.contains(permissionState.getName())) { 14041 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 14042 if (bp != null) { 14043 permissionsState.revokeInstallPermission(bp); 14044 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 14045 PackageManager.MASK_PERMISSION_FLAGS, 0); 14046 } 14047 } 14048 } 14049 14050 int[] runtimePermissionChangedUserIds = EmptyArray.INT; 14051 14052 // Prune runtime permissions 14053 for (int userId : allUserIds) { 14054 List<PermissionState> runtimePermStates = permissionsState 14055 .getRuntimePermissionStates(userId); 14056 final int runtimePermCount = runtimePermStates.size(); 14057 for (int i = runtimePermCount - 1; i >= 0; i--) { 14058 PermissionState permissionState = runtimePermStates.get(i); 14059 if (!usedPermissions.contains(permissionState.getName())) { 14060 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 14061 if (bp != null) { 14062 permissionsState.revokeRuntimePermission(bp, userId); 14063 permissionsState.updatePermissionFlags(bp, userId, 14064 PackageManager.MASK_PERMISSION_FLAGS, 0); 14065 runtimePermissionChangedUserIds = ArrayUtils.appendInt( 14066 runtimePermissionChangedUserIds, userId); 14067 } 14068 } 14069 } 14070 } 14071 14072 return runtimePermissionChangedUserIds; 14073 } 14074 14075 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 14076 int[] allUsers, PackageInstalledInfo res, UserHandle user) { 14077 // Update the parent package setting 14078 updateSettingsInternalLI(newPackage, installerPackageName, allUsers, res.origUsers, 14079 res, user); 14080 // Update the child packages setting 14081 final int childCount = (newPackage.childPackages != null) 14082 ? newPackage.childPackages.size() : 0; 14083 for (int i = 0; i < childCount; i++) { 14084 PackageParser.Package childPackage = newPackage.childPackages.get(i); 14085 PackageInstalledInfo childRes = res.addedChildPackages.get(childPackage.packageName); 14086 updateSettingsInternalLI(childPackage, installerPackageName, allUsers, 14087 childRes.origUsers, childRes, user); 14088 } 14089 } 14090 14091 private void updateSettingsInternalLI(PackageParser.Package newPackage, 14092 String installerPackageName, int[] allUsers, int[] installedForUsers, 14093 PackageInstalledInfo res, UserHandle user) { 14094 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 14095 14096 String pkgName = newPackage.packageName; 14097 synchronized (mPackages) { 14098 //write settings. the installStatus will be incomplete at this stage. 14099 //note that the new package setting would have already been 14100 //added to mPackages. It hasn't been persisted yet. 14101 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 14102 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 14103 mSettings.writeLPr(); 14104 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14105 } 14106 14107 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 14108 synchronized (mPackages) { 14109 updatePermissionsLPw(newPackage.packageName, newPackage, 14110 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 14111 ? UPDATE_PERMISSIONS_ALL : 0)); 14112 // For system-bundled packages, we assume that installing an upgraded version 14113 // of the package implies that the user actually wants to run that new code, 14114 // so we enable the package. 14115 PackageSetting ps = mSettings.mPackages.get(pkgName); 14116 final int userId = user.getIdentifier(); 14117 if (ps != null) { 14118 if (isSystemApp(newPackage)) { 14119 if (DEBUG_INSTALL) { 14120 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 14121 } 14122 // Enable system package for requested users 14123 if (res.origUsers != null) { 14124 for (int origUserId : res.origUsers) { 14125 if (userId == UserHandle.USER_ALL || userId == origUserId) { 14126 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 14127 origUserId, installerPackageName); 14128 } 14129 } 14130 } 14131 // Also convey the prior install/uninstall state 14132 if (allUsers != null && installedForUsers != null) { 14133 for (int currentUserId : allUsers) { 14134 final boolean installed = ArrayUtils.contains( 14135 installedForUsers, currentUserId); 14136 if (DEBUG_INSTALL) { 14137 Slog.d(TAG, " user " + currentUserId + " => " + installed); 14138 } 14139 ps.setInstalled(installed, currentUserId); 14140 } 14141 // these install state changes will be persisted in the 14142 // upcoming call to mSettings.writeLPr(). 14143 } 14144 } 14145 // It's implied that when a user requests installation, they want the app to be 14146 // installed and enabled. 14147 if (userId != UserHandle.USER_ALL) { 14148 ps.setInstalled(true, userId); 14149 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, userId, installerPackageName); 14150 } 14151 } 14152 res.name = pkgName; 14153 res.uid = newPackage.applicationInfo.uid; 14154 res.pkg = newPackage; 14155 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 14156 mSettings.setInstallerPackageName(pkgName, installerPackageName); 14157 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14158 //to update install status 14159 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 14160 mSettings.writeLPr(); 14161 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14162 } 14163 14164 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14165 } 14166 14167 private void installPackageTracedLI(InstallArgs args, PackageInstalledInfo res) { 14168 try { 14169 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installPackage"); 14170 installPackageLI(args, res); 14171 } finally { 14172 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14173 } 14174 } 14175 14176 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 14177 final int installFlags = args.installFlags; 14178 final String installerPackageName = args.installerPackageName; 14179 final String volumeUuid = args.volumeUuid; 14180 final File tmpPackageFile = new File(args.getCodePath()); 14181 final boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 14182 final boolean onExternal = (((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) 14183 || (args.volumeUuid != null)); 14184 final boolean ephemeral = ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0); 14185 boolean replace = false; 14186 int scanFlags = SCAN_NEW_INSTALL | SCAN_UPDATE_SIGNATURE; 14187 if (args.move != null) { 14188 // moving a complete application; perform an initial scan on the new install location 14189 scanFlags |= SCAN_INITIAL; 14190 } 14191 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 14192 scanFlags |= SCAN_DONT_KILL_APP; 14193 } 14194 14195 // Result object to be returned 14196 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14197 14198 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 14199 14200 // Sanity check 14201 if (ephemeral && (forwardLocked || onExternal)) { 14202 Slog.i(TAG, "Incompatible ephemeral install; fwdLocked=" + forwardLocked 14203 + " external=" + onExternal); 14204 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 14205 return; 14206 } 14207 14208 // Retrieve PackageSettings and parse package 14209 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 14210 | PackageParser.PARSE_ENFORCE_CODE 14211 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 14212 | (onExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0) 14213 | (ephemeral ? PackageParser.PARSE_IS_EPHEMERAL : 0); 14214 PackageParser pp = new PackageParser(); 14215 pp.setSeparateProcesses(mSeparateProcesses); 14216 pp.setDisplayMetrics(mMetrics); 14217 14218 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 14219 final PackageParser.Package pkg; 14220 try { 14221 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 14222 } catch (PackageParserException e) { 14223 res.setError("Failed parse during installPackageLI", e); 14224 return; 14225 } finally { 14226 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14227 } 14228 14229 // If we are installing a clustered package add results for the children 14230 if (pkg.childPackages != null) { 14231 synchronized (mPackages) { 14232 final int childCount = pkg.childPackages.size(); 14233 for (int i = 0; i < childCount; i++) { 14234 PackageParser.Package childPkg = pkg.childPackages.get(i); 14235 PackageInstalledInfo childRes = new PackageInstalledInfo(); 14236 childRes.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 14237 childRes.pkg = childPkg; 14238 childRes.name = childPkg.packageName; 14239 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 14240 if (childPs != null) { 14241 childRes.origUsers = childPs.queryInstalledUsers( 14242 sUserManager.getUserIds(), true); 14243 } 14244 if ((mPackages.containsKey(childPkg.packageName))) { 14245 childRes.removedInfo = new PackageRemovedInfo(); 14246 childRes.removedInfo.removedPackage = childPkg.packageName; 14247 } 14248 if (res.addedChildPackages == null) { 14249 res.addedChildPackages = new ArrayMap<>(); 14250 } 14251 res.addedChildPackages.put(childPkg.packageName, childRes); 14252 } 14253 } 14254 } 14255 14256 // If package doesn't declare API override, mark that we have an install 14257 // time CPU ABI override. 14258 if (TextUtils.isEmpty(pkg.cpuAbiOverride)) { 14259 pkg.cpuAbiOverride = args.abiOverride; 14260 } 14261 14262 String pkgName = res.name = pkg.packageName; 14263 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 14264 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 14265 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 14266 return; 14267 } 14268 } 14269 14270 try { 14271 // either use what we've been given or parse directly from the APK 14272 if (args.certificates != null) { 14273 try { 14274 PackageParser.populateCertificates(pkg, args.certificates); 14275 } catch (PackageParserException e) { 14276 // there was something wrong with the certificates we were given; 14277 // try to pull them from the APK 14278 PackageParser.collectCertificates(pkg, parseFlags); 14279 } 14280 } else { 14281 PackageParser.collectCertificates(pkg, parseFlags); 14282 } 14283 } catch (PackageParserException e) { 14284 res.setError("Failed collect during installPackageLI", e); 14285 return; 14286 } 14287 14288 // Get rid of all references to package scan path via parser. 14289 pp = null; 14290 String oldCodePath = null; 14291 boolean systemApp = false; 14292 synchronized (mPackages) { 14293 // Check if installing already existing package 14294 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 14295 String oldName = mSettings.mRenamedPackages.get(pkgName); 14296 if (pkg.mOriginalPackages != null 14297 && pkg.mOriginalPackages.contains(oldName) 14298 && mPackages.containsKey(oldName)) { 14299 // This package is derived from an original package, 14300 // and this device has been updating from that original 14301 // name. We must continue using the original name, so 14302 // rename the new package here. 14303 pkg.setPackageName(oldName); 14304 pkgName = pkg.packageName; 14305 replace = true; 14306 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 14307 + oldName + " pkgName=" + pkgName); 14308 } else if (mPackages.containsKey(pkgName)) { 14309 // This package, under its official name, already exists 14310 // on the device; we should replace it. 14311 replace = true; 14312 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 14313 } 14314 14315 // Child packages are installed through the parent package 14316 if (pkg.parentPackage != null) { 14317 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 14318 "Package " + pkg.packageName + " is child of package " 14319 + pkg.parentPackage.parentPackage + ". Child packages " 14320 + "can be updated only through the parent package."); 14321 return; 14322 } 14323 14324 if (replace) { 14325 // Prevent apps opting out from runtime permissions 14326 PackageParser.Package oldPackage = mPackages.get(pkgName); 14327 final int oldTargetSdk = oldPackage.applicationInfo.targetSdkVersion; 14328 final int newTargetSdk = pkg.applicationInfo.targetSdkVersion; 14329 if (oldTargetSdk > Build.VERSION_CODES.LOLLIPOP_MR1 14330 && newTargetSdk <= Build.VERSION_CODES.LOLLIPOP_MR1) { 14331 res.setError(PackageManager.INSTALL_FAILED_PERMISSION_MODEL_DOWNGRADE, 14332 "Package " + pkg.packageName + " new target SDK " + newTargetSdk 14333 + " doesn't support runtime permissions but the old" 14334 + " target SDK " + oldTargetSdk + " does."); 14335 return; 14336 } 14337 14338 // Prevent installing of child packages 14339 if (oldPackage.parentPackage != null) { 14340 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 14341 "Package " + pkg.packageName + " is child of package " 14342 + oldPackage.parentPackage + ". Child packages " 14343 + "can be updated only through the parent package."); 14344 return; 14345 } 14346 } 14347 } 14348 14349 PackageSetting ps = mSettings.mPackages.get(pkgName); 14350 if (ps != null) { 14351 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 14352 14353 // Quick sanity check that we're signed correctly if updating; 14354 // we'll check this again later when scanning, but we want to 14355 // bail early here before tripping over redefined permissions. 14356 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 14357 if (!checkUpgradeKeySetLP(ps, pkg)) { 14358 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 14359 + pkg.packageName + " upgrade keys do not match the " 14360 + "previously installed version"); 14361 return; 14362 } 14363 } else { 14364 try { 14365 verifySignaturesLP(ps, pkg); 14366 } catch (PackageManagerException e) { 14367 res.setError(e.error, e.getMessage()); 14368 return; 14369 } 14370 } 14371 14372 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 14373 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 14374 systemApp = (ps.pkg.applicationInfo.flags & 14375 ApplicationInfo.FLAG_SYSTEM) != 0; 14376 } 14377 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 14378 } 14379 14380 // Check whether the newly-scanned package wants to define an already-defined perm 14381 int N = pkg.permissions.size(); 14382 for (int i = N-1; i >= 0; i--) { 14383 PackageParser.Permission perm = pkg.permissions.get(i); 14384 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 14385 if (bp != null) { 14386 // If the defining package is signed with our cert, it's okay. This 14387 // also includes the "updating the same package" case, of course. 14388 // "updating same package" could also involve key-rotation. 14389 final boolean sigsOk; 14390 if (bp.sourcePackage.equals(pkg.packageName) 14391 && (bp.packageSetting instanceof PackageSetting) 14392 && (shouldCheckUpgradeKeySetLP((PackageSetting) bp.packageSetting, 14393 scanFlags))) { 14394 sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg); 14395 } else { 14396 sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures, 14397 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 14398 } 14399 if (!sigsOk) { 14400 // If the owning package is the system itself, we log but allow 14401 // install to proceed; we fail the install on all other permission 14402 // redefinitions. 14403 if (!bp.sourcePackage.equals("android")) { 14404 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 14405 + pkg.packageName + " attempting to redeclare permission " 14406 + perm.info.name + " already owned by " + bp.sourcePackage); 14407 res.origPermission = perm.info.name; 14408 res.origPackage = bp.sourcePackage; 14409 return; 14410 } else { 14411 Slog.w(TAG, "Package " + pkg.packageName 14412 + " attempting to redeclare system permission " 14413 + perm.info.name + "; ignoring new declaration"); 14414 pkg.permissions.remove(i); 14415 } 14416 } 14417 } 14418 } 14419 } 14420 14421 if (systemApp) { 14422 if (onExternal) { 14423 // Abort update; system app can't be replaced with app on sdcard 14424 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 14425 "Cannot install updates to system apps on sdcard"); 14426 return; 14427 } else if (ephemeral) { 14428 // Abort update; system app can't be replaced with an ephemeral app 14429 res.setError(INSTALL_FAILED_EPHEMERAL_INVALID, 14430 "Cannot update a system app with an ephemeral app"); 14431 return; 14432 } 14433 } 14434 14435 if (args.move != null) { 14436 // We did an in-place move, so dex is ready to roll 14437 scanFlags |= SCAN_NO_DEX; 14438 scanFlags |= SCAN_MOVE; 14439 14440 synchronized (mPackages) { 14441 final PackageSetting ps = mSettings.mPackages.get(pkgName); 14442 if (ps == null) { 14443 res.setError(INSTALL_FAILED_INTERNAL_ERROR, 14444 "Missing settings for moved package " + pkgName); 14445 } 14446 14447 // We moved the entire application as-is, so bring over the 14448 // previously derived ABI information. 14449 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 14450 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 14451 } 14452 14453 } else if (!forwardLocked && !pkg.applicationInfo.isExternalAsec()) { 14454 // Enable SCAN_NO_DEX flag to skip dexopt at a later stage 14455 scanFlags |= SCAN_NO_DEX; 14456 14457 try { 14458 String abiOverride = (TextUtils.isEmpty(pkg.cpuAbiOverride) ? 14459 args.abiOverride : pkg.cpuAbiOverride); 14460 derivePackageAbi(pkg, new File(pkg.codePath), abiOverride, 14461 true /* extract libs */); 14462 } catch (PackageManagerException pme) { 14463 Slog.e(TAG, "Error deriving application ABI", pme); 14464 res.setError(INSTALL_FAILED_INTERNAL_ERROR, "Error deriving application ABI"); 14465 return; 14466 } 14467 14468 14469 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 14470 // Do not run PackageDexOptimizer through the local performDexOpt 14471 // method because `pkg` is not in `mPackages` yet. 14472 int result = mPackageDexOptimizer.performDexOpt(pkg, null /* instructionSets */, 14473 false /* checkProfiles */, getCompilerFilterForReason(REASON_INSTALL)); 14474 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14475 if (result == PackageDexOptimizer.DEX_OPT_FAILED) { 14476 String msg = "Extracking package failed for " + pkgName; 14477 res.setError(INSTALL_FAILED_DEXOPT, msg); 14478 return; 14479 } 14480 } 14481 14482 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 14483 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 14484 return; 14485 } 14486 14487 startIntentFilterVerifications(args.user.getIdentifier(), replace, pkg); 14488 14489 if (replace) { 14490 replacePackageLI(pkg, parseFlags, scanFlags | SCAN_REPLACING, args.user, 14491 installerPackageName, res); 14492 } else { 14493 installNewPackageLI(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 14494 args.user, installerPackageName, volumeUuid, res); 14495 } 14496 synchronized (mPackages) { 14497 final PackageSetting ps = mSettings.mPackages.get(pkgName); 14498 if (ps != null) { 14499 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 14500 } 14501 14502 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14503 for (int i = 0; i < childCount; i++) { 14504 PackageParser.Package childPkg = pkg.childPackages.get(i); 14505 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 14506 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 14507 if (childPs != null) { 14508 childRes.newUsers = childPs.queryInstalledUsers( 14509 sUserManager.getUserIds(), true); 14510 } 14511 } 14512 } 14513 } 14514 14515 private void startIntentFilterVerifications(int userId, boolean replacing, 14516 PackageParser.Package pkg) { 14517 if (mIntentFilterVerifierComponent == null) { 14518 Slog.w(TAG, "No IntentFilter verification will not be done as " 14519 + "there is no IntentFilterVerifier available!"); 14520 return; 14521 } 14522 14523 final int verifierUid = getPackageUid( 14524 mIntentFilterVerifierComponent.getPackageName(), 14525 MATCH_DEBUG_TRIAGED_MISSING, 14526 (userId == UserHandle.USER_ALL) ? UserHandle.USER_SYSTEM : userId); 14527 14528 Message msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 14529 msg.obj = new IFVerificationParams(pkg, replacing, userId, verifierUid); 14530 mHandler.sendMessage(msg); 14531 14532 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14533 for (int i = 0; i < childCount; i++) { 14534 PackageParser.Package childPkg = pkg.childPackages.get(i); 14535 msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 14536 msg.obj = new IFVerificationParams(childPkg, replacing, userId, verifierUid); 14537 mHandler.sendMessage(msg); 14538 } 14539 } 14540 14541 private void verifyIntentFiltersIfNeeded(int userId, int verifierUid, boolean replacing, 14542 PackageParser.Package pkg) { 14543 int size = pkg.activities.size(); 14544 if (size == 0) { 14545 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 14546 "No activity, so no need to verify any IntentFilter!"); 14547 return; 14548 } 14549 14550 final boolean hasDomainURLs = hasDomainURLs(pkg); 14551 if (!hasDomainURLs) { 14552 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 14553 "No domain URLs, so no need to verify any IntentFilter!"); 14554 return; 14555 } 14556 14557 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Checking for userId:" + userId 14558 + " if any IntentFilter from the " + size 14559 + " Activities needs verification ..."); 14560 14561 int count = 0; 14562 final String packageName = pkg.packageName; 14563 14564 synchronized (mPackages) { 14565 // If this is a new install and we see that we've already run verification for this 14566 // package, we have nothing to do: it means the state was restored from backup. 14567 if (!replacing) { 14568 IntentFilterVerificationInfo ivi = 14569 mSettings.getIntentFilterVerificationLPr(packageName); 14570 if (ivi != null) { 14571 if (DEBUG_DOMAIN_VERIFICATION) { 14572 Slog.i(TAG, "Package " + packageName+ " already verified: status=" 14573 + ivi.getStatusString()); 14574 } 14575 return; 14576 } 14577 } 14578 14579 // If any filters need to be verified, then all need to be. 14580 boolean needToVerify = false; 14581 for (PackageParser.Activity a : pkg.activities) { 14582 for (ActivityIntentInfo filter : a.intents) { 14583 if (filter.needsVerification() && needsNetworkVerificationLPr(filter)) { 14584 if (DEBUG_DOMAIN_VERIFICATION) { 14585 Slog.d(TAG, "Intent filter needs verification, so processing all filters"); 14586 } 14587 needToVerify = true; 14588 break; 14589 } 14590 } 14591 } 14592 14593 if (needToVerify) { 14594 final int verificationId = mIntentFilterVerificationToken++; 14595 for (PackageParser.Activity a : pkg.activities) { 14596 for (ActivityIntentInfo filter : a.intents) { 14597 if (filter.handlesWebUris(true) && needsNetworkVerificationLPr(filter)) { 14598 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 14599 "Verification needed for IntentFilter:" + filter.toString()); 14600 mIntentFilterVerifier.addOneIntentFilterVerification( 14601 verifierUid, userId, verificationId, filter, packageName); 14602 count++; 14603 } 14604 } 14605 } 14606 } 14607 } 14608 14609 if (count > 0) { 14610 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Starting " + count 14611 + " IntentFilter verification" + (count > 1 ? "s" : "") 14612 + " for userId:" + userId); 14613 mIntentFilterVerifier.startVerifications(userId); 14614 } else { 14615 if (DEBUG_DOMAIN_VERIFICATION) { 14616 Slog.d(TAG, "No filters or not all autoVerify for " + packageName); 14617 } 14618 } 14619 } 14620 14621 private boolean needsNetworkVerificationLPr(ActivityIntentInfo filter) { 14622 final ComponentName cn = filter.activity.getComponentName(); 14623 final String packageName = cn.getPackageName(); 14624 14625 IntentFilterVerificationInfo ivi = mSettings.getIntentFilterVerificationLPr( 14626 packageName); 14627 if (ivi == null) { 14628 return true; 14629 } 14630 int status = ivi.getStatus(); 14631 switch (status) { 14632 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 14633 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 14634 return true; 14635 14636 default: 14637 // Nothing to do 14638 return false; 14639 } 14640 } 14641 14642 private static boolean isMultiArch(ApplicationInfo info) { 14643 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 14644 } 14645 14646 private static boolean isExternal(PackageParser.Package pkg) { 14647 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 14648 } 14649 14650 private static boolean isExternal(PackageSetting ps) { 14651 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 14652 } 14653 14654 private static boolean isEphemeral(PackageParser.Package pkg) { 14655 return pkg.applicationInfo.isEphemeralApp(); 14656 } 14657 14658 private static boolean isEphemeral(PackageSetting ps) { 14659 return ps.pkg != null && isEphemeral(ps.pkg); 14660 } 14661 14662 private static boolean isSystemApp(PackageParser.Package pkg) { 14663 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 14664 } 14665 14666 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 14667 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 14668 } 14669 14670 private static boolean hasDomainURLs(PackageParser.Package pkg) { 14671 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_HAS_DOMAIN_URLS) != 0; 14672 } 14673 14674 private static boolean isSystemApp(PackageSetting ps) { 14675 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 14676 } 14677 14678 private static boolean isUpdatedSystemApp(PackageSetting ps) { 14679 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 14680 } 14681 14682 private int packageFlagsToInstallFlags(PackageSetting ps) { 14683 int installFlags = 0; 14684 if (isEphemeral(ps)) { 14685 installFlags |= PackageManager.INSTALL_EPHEMERAL; 14686 } 14687 if (isExternal(ps) && TextUtils.isEmpty(ps.volumeUuid)) { 14688 // This existing package was an external ASEC install when we have 14689 // the external flag without a UUID 14690 installFlags |= PackageManager.INSTALL_EXTERNAL; 14691 } 14692 if (ps.isForwardLocked()) { 14693 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 14694 } 14695 return installFlags; 14696 } 14697 14698 private String getVolumeUuidForPackage(PackageParser.Package pkg) { 14699 if (isExternal(pkg)) { 14700 if (TextUtils.isEmpty(pkg.volumeUuid)) { 14701 return StorageManager.UUID_PRIMARY_PHYSICAL; 14702 } else { 14703 return pkg.volumeUuid; 14704 } 14705 } else { 14706 return StorageManager.UUID_PRIVATE_INTERNAL; 14707 } 14708 } 14709 14710 private VersionInfo getSettingsVersionForPackage(PackageParser.Package pkg) { 14711 if (isExternal(pkg)) { 14712 if (TextUtils.isEmpty(pkg.volumeUuid)) { 14713 return mSettings.getExternalVersion(); 14714 } else { 14715 return mSettings.findOrCreateVersion(pkg.volumeUuid); 14716 } 14717 } else { 14718 return mSettings.getInternalVersion(); 14719 } 14720 } 14721 14722 private void deleteTempPackageFiles() { 14723 final FilenameFilter filter = new FilenameFilter() { 14724 public boolean accept(File dir, String name) { 14725 return name.startsWith("vmdl") && name.endsWith(".tmp"); 14726 } 14727 }; 14728 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 14729 file.delete(); 14730 } 14731 } 14732 14733 @Override 14734 public void deletePackageAsUser(String packageName, IPackageDeleteObserver observer, int userId, 14735 int flags) { 14736 deletePackage(packageName, new LegacyPackageDeleteObserver(observer).getBinder(), userId, 14737 flags); 14738 } 14739 14740 @Override 14741 public void deletePackage(final String packageName, 14742 final IPackageDeleteObserver2 observer, final int userId, final int flags) { 14743 mContext.enforceCallingOrSelfPermission( 14744 android.Manifest.permission.DELETE_PACKAGES, null); 14745 Preconditions.checkNotNull(packageName); 14746 Preconditions.checkNotNull(observer); 14747 final int uid = Binder.getCallingUid(); 14748 final boolean deleteAllUsers = (flags & PackageManager.DELETE_ALL_USERS) != 0; 14749 final int[] users = deleteAllUsers ? sUserManager.getUserIds() : new int[]{ userId }; 14750 if (UserHandle.getUserId(uid) != userId || (deleteAllUsers && users.length > 1)) { 14751 mContext.enforceCallingOrSelfPermission( 14752 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 14753 "deletePackage for user " + userId); 14754 } 14755 14756 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 14757 try { 14758 observer.onPackageDeleted(packageName, 14759 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 14760 } catch (RemoteException re) { 14761 } 14762 return; 14763 } 14764 14765 if (!deleteAllUsers && getBlockUninstallForUser(packageName, userId)) { 14766 try { 14767 observer.onPackageDeleted(packageName, 14768 PackageManager.DELETE_FAILED_OWNER_BLOCKED, null); 14769 } catch (RemoteException re) { 14770 } 14771 return; 14772 } 14773 14774 if (DEBUG_REMOVE) { 14775 Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId 14776 + " deleteAllUsers: " + deleteAllUsers ); 14777 } 14778 // Queue up an async operation since the package deletion may take a little while. 14779 mHandler.post(new Runnable() { 14780 public void run() { 14781 mHandler.removeCallbacks(this); 14782 int returnCode; 14783 if (!deleteAllUsers) { 14784 returnCode = deletePackageX(packageName, userId, flags); 14785 } else { 14786 int[] blockUninstallUserIds = getBlockUninstallForUsers(packageName, users); 14787 // If nobody is blocking uninstall, proceed with delete for all users 14788 if (ArrayUtils.isEmpty(blockUninstallUserIds)) { 14789 returnCode = deletePackageX(packageName, userId, flags); 14790 } else { 14791 // Otherwise uninstall individually for users with blockUninstalls=false 14792 final int userFlags = flags & ~PackageManager.DELETE_ALL_USERS; 14793 for (int userId : users) { 14794 if (!ArrayUtils.contains(blockUninstallUserIds, userId)) { 14795 returnCode = deletePackageX(packageName, userId, userFlags); 14796 if (returnCode != PackageManager.DELETE_SUCCEEDED) { 14797 Slog.w(TAG, "Package delete failed for user " + userId 14798 + ", returnCode " + returnCode); 14799 } 14800 } 14801 } 14802 // The app has only been marked uninstalled for certain users. 14803 // We still need to report that delete was blocked 14804 returnCode = PackageManager.DELETE_FAILED_OWNER_BLOCKED; 14805 } 14806 } 14807 try { 14808 observer.onPackageDeleted(packageName, returnCode, null); 14809 } catch (RemoteException e) { 14810 Log.i(TAG, "Observer no longer exists."); 14811 } //end catch 14812 } //end run 14813 }); 14814 } 14815 14816 private int[] getBlockUninstallForUsers(String packageName, int[] userIds) { 14817 int[] result = EMPTY_INT_ARRAY; 14818 for (int userId : userIds) { 14819 if (getBlockUninstallForUser(packageName, userId)) { 14820 result = ArrayUtils.appendInt(result, userId); 14821 } 14822 } 14823 return result; 14824 } 14825 14826 @Override 14827 public boolean isPackageDeviceAdminOnAnyUser(String packageName) { 14828 return isPackageDeviceAdmin(packageName, UserHandle.USER_ALL); 14829 } 14830 14831 private boolean isPackageDeviceAdmin(String packageName, int userId) { 14832 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 14833 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 14834 try { 14835 if (dpm != null) { 14836 final ComponentName deviceOwnerComponentName = dpm.getDeviceOwnerComponent( 14837 /* callingUserOnly =*/ false); 14838 final String deviceOwnerPackageName = deviceOwnerComponentName == null ? null 14839 : deviceOwnerComponentName.getPackageName(); 14840 // Does the package contains the device owner? 14841 // TODO Do we have to do it even if userId != UserHandle.USER_ALL? Otherwise, 14842 // this check is probably not needed, since DO should be registered as a device 14843 // admin on some user too. (Original bug for this: b/17657954) 14844 if (packageName.equals(deviceOwnerPackageName)) { 14845 return true; 14846 } 14847 // Does it contain a device admin for any user? 14848 int[] users; 14849 if (userId == UserHandle.USER_ALL) { 14850 users = sUserManager.getUserIds(); 14851 } else { 14852 users = new int[]{userId}; 14853 } 14854 for (int i = 0; i < users.length; ++i) { 14855 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 14856 return true; 14857 } 14858 } 14859 } 14860 } catch (RemoteException e) { 14861 } 14862 return false; 14863 } 14864 14865 private boolean shouldKeepUninstalledPackageLPr(String packageName) { 14866 return mKeepUninstalledPackages != null && mKeepUninstalledPackages.contains(packageName); 14867 } 14868 14869 /** 14870 * This method is an internal method that could be get invoked either 14871 * to delete an installed package or to clean up a failed installation. 14872 * After deleting an installed package, a broadcast is sent to notify any 14873 * listeners that the package has been installed. For cleaning up a failed 14874 * installation, the broadcast is not necessary since the package's 14875 * installation wouldn't have sent the initial broadcast either 14876 * The key steps in deleting a package are 14877 * deleting the package information in internal structures like mPackages, 14878 * deleting the packages base directories through installd 14879 * updating mSettings to reflect current status 14880 * persisting settings for later use 14881 * sending a broadcast if necessary 14882 */ 14883 private int deletePackageX(String packageName, int userId, int flags) { 14884 final PackageRemovedInfo info = new PackageRemovedInfo(); 14885 final boolean res; 14886 14887 final UserHandle removeForUser = (flags & PackageManager.DELETE_ALL_USERS) != 0 14888 ? UserHandle.ALL : new UserHandle(userId); 14889 14890 if (isPackageDeviceAdmin(packageName, removeForUser.getIdentifier())) { 14891 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 14892 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 14893 } 14894 14895 PackageSetting uninstalledPs = null; 14896 14897 // for the uninstall-updates case and restricted profiles, remember the per- 14898 // user handle installed state 14899 int[] allUsers; 14900 synchronized (mPackages) { 14901 uninstalledPs = mSettings.mPackages.get(packageName); 14902 if (uninstalledPs == null) { 14903 Slog.w(TAG, "Not removing non-existent package " + packageName); 14904 return PackageManager.DELETE_FAILED_INTERNAL_ERROR; 14905 } 14906 allUsers = sUserManager.getUserIds(); 14907 info.origUsers = uninstalledPs.queryInstalledUsers(allUsers, true); 14908 } 14909 14910 synchronized (mInstallLock) { 14911 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 14912 res = deletePackageLI(packageName, removeForUser, true, allUsers, 14913 flags | REMOVE_CHATTY, info, true, null); 14914 synchronized (mPackages) { 14915 if (res) { 14916 mEphemeralApplicationRegistry.onPackageUninstalledLPw(uninstalledPs.pkg); 14917 } 14918 } 14919 } 14920 14921 if (res) { 14922 final boolean killApp = (flags & PackageManager.INSTALL_DONT_KILL_APP) == 0; 14923 info.sendPackageRemovedBroadcasts(killApp); 14924 info.sendSystemPackageUpdatedBroadcasts(); 14925 info.sendSystemPackageAppearedBroadcasts(); 14926 } 14927 // Force a gc here. 14928 Runtime.getRuntime().gc(); 14929 // Delete the resources here after sending the broadcast to let 14930 // other processes clean up before deleting resources. 14931 if (info.args != null) { 14932 synchronized (mInstallLock) { 14933 info.args.doPostDeleteLI(true); 14934 } 14935 } 14936 14937 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 14938 } 14939 14940 class PackageRemovedInfo { 14941 String removedPackage; 14942 int uid = -1; 14943 int removedAppId = -1; 14944 int[] origUsers; 14945 int[] removedUsers = null; 14946 boolean isRemovedPackageSystemUpdate = false; 14947 boolean isUpdate; 14948 boolean dataRemoved; 14949 boolean removedForAllUsers; 14950 // Clean up resources deleted packages. 14951 InstallArgs args = null; 14952 ArrayMap<String, PackageRemovedInfo> removedChildPackages; 14953 ArrayMap<String, PackageInstalledInfo> appearedChildPackages; 14954 14955 void sendPackageRemovedBroadcasts(boolean killApp) { 14956 sendPackageRemovedBroadcastInternal(killApp); 14957 final int childCount = removedChildPackages != null ? removedChildPackages.size() : 0; 14958 for (int i = 0; i < childCount; i++) { 14959 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 14960 childInfo.sendPackageRemovedBroadcastInternal(killApp); 14961 } 14962 } 14963 14964 void sendSystemPackageUpdatedBroadcasts() { 14965 if (isRemovedPackageSystemUpdate) { 14966 sendSystemPackageUpdatedBroadcastsInternal(); 14967 final int childCount = (removedChildPackages != null) 14968 ? removedChildPackages.size() : 0; 14969 for (int i = 0; i < childCount; i++) { 14970 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 14971 if (childInfo.isRemovedPackageSystemUpdate) { 14972 childInfo.sendSystemPackageUpdatedBroadcastsInternal(); 14973 } 14974 } 14975 } 14976 } 14977 14978 void sendSystemPackageAppearedBroadcasts() { 14979 final int packageCount = (appearedChildPackages != null) 14980 ? appearedChildPackages.size() : 0; 14981 for (int i = 0; i < packageCount; i++) { 14982 PackageInstalledInfo installedInfo = appearedChildPackages.valueAt(i); 14983 for (int userId : installedInfo.newUsers) { 14984 sendPackageAddedForUser(installedInfo.name, true, 14985 UserHandle.getAppId(installedInfo.uid), userId); 14986 } 14987 } 14988 } 14989 14990 private void sendSystemPackageUpdatedBroadcastsInternal() { 14991 Bundle extras = new Bundle(2); 14992 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 14993 extras.putBoolean(Intent.EXTRA_REPLACING, true); 14994 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, removedPackage, 14995 extras, 0, null, null, null); 14996 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, removedPackage, 14997 extras, 0, null, null, null); 14998 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 14999 null, 0, removedPackage, null, null); 15000 } 15001 15002 private void sendPackageRemovedBroadcastInternal(boolean killApp) { 15003 Bundle extras = new Bundle(2); 15004 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 15005 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, dataRemoved); 15006 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, !killApp); 15007 if (isUpdate || isRemovedPackageSystemUpdate) { 15008 extras.putBoolean(Intent.EXTRA_REPLACING, true); 15009 } 15010 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 15011 if (removedPackage != null) { 15012 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 15013 extras, 0, null, null, removedUsers); 15014 if (dataRemoved && !isRemovedPackageSystemUpdate) { 15015 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, 15016 removedPackage, extras, 0, null, null, removedUsers); 15017 } 15018 } 15019 if (removedAppId >= 0) { 15020 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, 0, null, null, 15021 removedUsers); 15022 } 15023 } 15024 } 15025 15026 /* 15027 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 15028 * flag is not set, the data directory is removed as well. 15029 * make sure this flag is set for partially installed apps. If not its meaningless to 15030 * delete a partially installed application. 15031 */ 15032 private void removePackageDataLI(PackageSetting ps, int[] allUserHandles, 15033 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 15034 String packageName = ps.name; 15035 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 15036 removePackageLI(ps, (flags&REMOVE_CHATTY) != 0); 15037 // Retrieve object to delete permissions for shared user later on 15038 final PackageSetting deletedPs; 15039 // reader 15040 synchronized (mPackages) { 15041 deletedPs = mSettings.mPackages.get(packageName); 15042 if (outInfo != null) { 15043 outInfo.removedPackage = packageName; 15044 outInfo.removedUsers = deletedPs != null 15045 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 15046 : null; 15047 } 15048 } 15049 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 15050 removeDataDirsLI(ps.volumeUuid, packageName); 15051 if (outInfo != null) { 15052 outInfo.dataRemoved = true; 15053 } 15054 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 15055 } 15056 // writer 15057 synchronized (mPackages) { 15058 if (deletedPs != null) { 15059 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 15060 clearIntentFilterVerificationsLPw(deletedPs.name, UserHandle.USER_ALL); 15061 clearDefaultBrowserIfNeeded(packageName); 15062 if (outInfo != null) { 15063 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 15064 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 15065 } 15066 updatePermissionsLPw(deletedPs.name, null, 0); 15067 if (deletedPs.sharedUser != null) { 15068 // Remove permissions associated with package. Since runtime 15069 // permissions are per user we have to kill the removed package 15070 // or packages running under the shared user of the removed 15071 // package if revoking the permissions requested only by the removed 15072 // package is successful and this causes a change in gids. 15073 for (int userId : UserManagerService.getInstance().getUserIds()) { 15074 final int userIdToKill = mSettings.updateSharedUserPermsLPw(deletedPs, 15075 userId); 15076 if (userIdToKill == UserHandle.USER_ALL 15077 || userIdToKill >= UserHandle.USER_SYSTEM) { 15078 // If gids changed for this user, kill all affected packages. 15079 mHandler.post(new Runnable() { 15080 @Override 15081 public void run() { 15082 // This has to happen with no lock held. 15083 killApplication(deletedPs.name, deletedPs.appId, 15084 KILL_APP_REASON_GIDS_CHANGED); 15085 } 15086 }); 15087 break; 15088 } 15089 } 15090 } 15091 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 15092 } 15093 // make sure to preserve per-user disabled state if this removal was just 15094 // a downgrade of a system app to the factory package 15095 if (allUserHandles != null && outInfo != null && outInfo.origUsers != null) { 15096 if (DEBUG_REMOVE) { 15097 Slog.d(TAG, "Propagating install state across downgrade"); 15098 } 15099 for (int userId : allUserHandles) { 15100 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 15101 if (DEBUG_REMOVE) { 15102 Slog.d(TAG, " user " + userId + " => " + installed); 15103 } 15104 ps.setInstalled(installed, userId); 15105 } 15106 } 15107 } 15108 // can downgrade to reader 15109 if (writeSettings) { 15110 // Save settings now 15111 mSettings.writeLPr(); 15112 } 15113 } 15114 if (outInfo != null) { 15115 // A user ID was deleted here. Go through all users and remove it 15116 // from KeyStore. 15117 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 15118 } 15119 } 15120 15121 static boolean locationIsPrivileged(File path) { 15122 try { 15123 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 15124 .getCanonicalPath(); 15125 return path.getCanonicalPath().startsWith(privilegedAppDir); 15126 } catch (IOException e) { 15127 Slog.e(TAG, "Unable to access code path " + path); 15128 } 15129 return false; 15130 } 15131 15132 /* 15133 * Tries to delete system package. 15134 */ 15135 private boolean deleteSystemPackageLI(PackageParser.Package deletedPkg, 15136 PackageSetting deletedPs, int[] allUserHandles, int flags, PackageRemovedInfo outInfo, 15137 boolean writeSettings) { 15138 if (deletedPs.parentPackageName != null) { 15139 Slog.w(TAG, "Attempt to delete child system package " + deletedPkg.packageName); 15140 return false; 15141 } 15142 15143 final boolean applyUserRestrictions 15144 = (allUserHandles != null) && (outInfo.origUsers != null); 15145 final PackageSetting disabledPs; 15146 // Confirm if the system package has been updated 15147 // An updated system app can be deleted. This will also have to restore 15148 // the system pkg from system partition 15149 // reader 15150 synchronized (mPackages) { 15151 disabledPs = mSettings.getDisabledSystemPkgLPr(deletedPs.name); 15152 } 15153 15154 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + deletedPkg.packageName 15155 + " disabledPs=" + disabledPs); 15156 15157 if (disabledPs == null) { 15158 Slog.w(TAG, "Attempt to delete unknown system package "+ deletedPkg.packageName); 15159 return false; 15160 } else if (DEBUG_REMOVE) { 15161 Slog.d(TAG, "Deleting system pkg from data partition"); 15162 } 15163 15164 if (DEBUG_REMOVE) { 15165 if (applyUserRestrictions) { 15166 Slog.d(TAG, "Remembering install states:"); 15167 for (int userId : allUserHandles) { 15168 final boolean finstalled = ArrayUtils.contains(outInfo.origUsers, userId); 15169 Slog.d(TAG, " u=" + userId + " inst=" + finstalled); 15170 } 15171 } 15172 } 15173 15174 // Delete the updated package 15175 outInfo.isRemovedPackageSystemUpdate = true; 15176 if (outInfo.removedChildPackages != null) { 15177 final int childCount = (deletedPs.childPackageNames != null) 15178 ? deletedPs.childPackageNames.size() : 0; 15179 for (int i = 0; i < childCount; i++) { 15180 String childPackageName = deletedPs.childPackageNames.get(i); 15181 if (disabledPs.childPackageNames != null && disabledPs.childPackageNames 15182 .contains(childPackageName)) { 15183 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 15184 childPackageName); 15185 if (childInfo != null) { 15186 childInfo.isRemovedPackageSystemUpdate = true; 15187 } 15188 } 15189 } 15190 } 15191 15192 if (disabledPs.versionCode < deletedPs.versionCode) { 15193 // Delete data for downgrades 15194 flags &= ~PackageManager.DELETE_KEEP_DATA; 15195 } else { 15196 // Preserve data by setting flag 15197 flags |= PackageManager.DELETE_KEEP_DATA; 15198 } 15199 15200 boolean ret = deleteInstalledPackageLI(deletedPs, true, flags, allUserHandles, 15201 outInfo, writeSettings, disabledPs.pkg); 15202 if (!ret) { 15203 return false; 15204 } 15205 15206 // writer 15207 synchronized (mPackages) { 15208 // Reinstate the old system package 15209 enableSystemPackageLPw(disabledPs.pkg); 15210 // Remove any native libraries from the upgraded package. 15211 removeNativeBinariesLI(deletedPs); 15212 } 15213 15214 // Install the system package 15215 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 15216 int parseFlags = PackageParser.PARSE_MUST_BE_APK | PackageParser.PARSE_IS_SYSTEM; 15217 if (locationIsPrivileged(disabledPs.codePath)) { 15218 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 15219 } 15220 15221 final PackageParser.Package newPkg; 15222 try { 15223 newPkg = scanPackageTracedLI(disabledPs.codePath, parseFlags, SCAN_NO_PATHS, 0, null); 15224 } catch (PackageManagerException e) { 15225 Slog.w(TAG, "Failed to restore system package:" + deletedPkg.packageName + ": " 15226 + e.getMessage()); 15227 return false; 15228 } 15229 15230 prepareAppDataAfterInstall(newPkg); 15231 15232 // writer 15233 synchronized (mPackages) { 15234 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 15235 15236 // Propagate the permissions state as we do not want to drop on the floor 15237 // runtime permissions. The update permissions method below will take 15238 // care of removing obsolete permissions and grant install permissions. 15239 ps.getPermissionsState().copyFrom(deletedPs.getPermissionsState()); 15240 updatePermissionsLPw(newPkg.packageName, newPkg, 15241 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 15242 15243 if (applyUserRestrictions) { 15244 if (DEBUG_REMOVE) { 15245 Slog.d(TAG, "Propagating install state across reinstall"); 15246 } 15247 for (int userId : allUserHandles) { 15248 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 15249 if (DEBUG_REMOVE) { 15250 Slog.d(TAG, " user " + userId + " => " + installed); 15251 } 15252 ps.setInstalled(installed, userId); 15253 15254 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 15255 } 15256 // Regardless of writeSettings we need to ensure that this restriction 15257 // state propagation is persisted 15258 mSettings.writeAllUsersPackageRestrictionsLPr(); 15259 } 15260 // can downgrade to reader here 15261 if (writeSettings) { 15262 mSettings.writeLPr(); 15263 } 15264 } 15265 return true; 15266 } 15267 15268 private boolean deleteInstalledPackageLI(PackageSetting ps, 15269 boolean deleteCodeAndResources, int flags, int[] allUserHandles, 15270 PackageRemovedInfo outInfo, boolean writeSettings, 15271 PackageParser.Package replacingPackage) { 15272 synchronized (mPackages) { 15273 if (outInfo != null) { 15274 outInfo.uid = ps.appId; 15275 } 15276 15277 if (outInfo != null && outInfo.removedChildPackages != null) { 15278 final int childCount = (ps.childPackageNames != null) 15279 ? ps.childPackageNames.size() : 0; 15280 for (int i = 0; i < childCount; i++) { 15281 String childPackageName = ps.childPackageNames.get(i); 15282 PackageSetting childPs = mSettings.mPackages.get(childPackageName); 15283 if (childPs == null) { 15284 return false; 15285 } 15286 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 15287 childPackageName); 15288 if (childInfo != null) { 15289 childInfo.uid = childPs.appId; 15290 } 15291 } 15292 } 15293 } 15294 15295 // Delete package data from internal structures and also remove data if flag is set 15296 removePackageDataLI(ps, allUserHandles, outInfo, flags, writeSettings); 15297 15298 // Delete the child packages data 15299 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 15300 for (int i = 0; i < childCount; i++) { 15301 PackageSetting childPs; 15302 synchronized (mPackages) { 15303 childPs = mSettings.peekPackageLPr(ps.childPackageNames.get(i)); 15304 } 15305 if (childPs != null) { 15306 PackageRemovedInfo childOutInfo = (outInfo != null 15307 && outInfo.removedChildPackages != null) 15308 ? outInfo.removedChildPackages.get(childPs.name) : null; 15309 final int deleteFlags = (flags & DELETE_KEEP_DATA) != 0 15310 && (replacingPackage != null 15311 && !replacingPackage.hasChildPackage(childPs.name)) 15312 ? flags & ~DELETE_KEEP_DATA : flags; 15313 removePackageDataLI(childPs, allUserHandles, childOutInfo, 15314 deleteFlags, writeSettings); 15315 } 15316 } 15317 15318 // Delete application code and resources only for parent packages 15319 if (ps.parentPackageName == null) { 15320 if (deleteCodeAndResources && (outInfo != null)) { 15321 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 15322 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 15323 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 15324 } 15325 } 15326 15327 return true; 15328 } 15329 15330 @Override 15331 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 15332 int userId) { 15333 mContext.enforceCallingOrSelfPermission( 15334 android.Manifest.permission.DELETE_PACKAGES, null); 15335 synchronized (mPackages) { 15336 PackageSetting ps = mSettings.mPackages.get(packageName); 15337 if (ps == null) { 15338 Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); 15339 return false; 15340 } 15341 if (!ps.getInstalled(userId)) { 15342 // Can't block uninstall for an app that is not installed or enabled. 15343 Log.i(TAG, "Package not installed in set block uninstall " + packageName); 15344 return false; 15345 } 15346 ps.setBlockUninstall(blockUninstall, userId); 15347 mSettings.writePackageRestrictionsLPr(userId); 15348 } 15349 return true; 15350 } 15351 15352 @Override 15353 public boolean getBlockUninstallForUser(String packageName, int userId) { 15354 synchronized (mPackages) { 15355 PackageSetting ps = mSettings.mPackages.get(packageName); 15356 if (ps == null) { 15357 Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); 15358 return false; 15359 } 15360 return ps.getBlockUninstall(userId); 15361 } 15362 } 15363 15364 @Override 15365 public boolean setRequiredForSystemUser(String packageName, boolean systemUserApp) { 15366 int callingUid = Binder.getCallingUid(); 15367 if (callingUid != Process.SYSTEM_UID && callingUid != Process.ROOT_UID) { 15368 throw new SecurityException( 15369 "setRequiredForSystemUser can only be run by the system or root"); 15370 } 15371 synchronized (mPackages) { 15372 PackageSetting ps = mSettings.mPackages.get(packageName); 15373 if (ps == null) { 15374 Log.w(TAG, "Package doesn't exist: " + packageName); 15375 return false; 15376 } 15377 if (systemUserApp) { 15378 ps.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 15379 } else { 15380 ps.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 15381 } 15382 mSettings.writeLPr(); 15383 } 15384 return true; 15385 } 15386 15387 /* 15388 * This method handles package deletion in general 15389 */ 15390 private boolean deletePackageLI(String packageName, UserHandle user, 15391 boolean deleteCodeAndResources, int[] allUserHandles, int flags, 15392 PackageRemovedInfo outInfo, boolean writeSettings, 15393 PackageParser.Package replacingPackage) { 15394 if (packageName == null) { 15395 Slog.w(TAG, "Attempt to delete null packageName."); 15396 return false; 15397 } 15398 15399 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 15400 15401 PackageSetting ps; 15402 15403 synchronized (mPackages) { 15404 ps = mSettings.mPackages.get(packageName); 15405 if (ps == null) { 15406 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 15407 return false; 15408 } 15409 15410 if (ps.parentPackageName != null && (!isSystemApp(ps) 15411 || (flags & PackageManager.DELETE_SYSTEM_APP) != 0)) { 15412 if (DEBUG_REMOVE) { 15413 Slog.d(TAG, "Uninstalled child package:" + packageName + " for user:" 15414 + ((user == null) ? UserHandle.USER_ALL : user)); 15415 } 15416 final int removedUserId = (user != null) ? user.getIdentifier() 15417 : UserHandle.USER_ALL; 15418 if (!clearPackageStateForUser(ps, removedUserId, outInfo)) { 15419 return false; 15420 } 15421 markPackageUninstalledForUserLPw(ps, user); 15422 scheduleWritePackageRestrictionsLocked(user); 15423 return true; 15424 } 15425 } 15426 15427 if (((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 15428 && user.getIdentifier() != UserHandle.USER_ALL)) { 15429 // The caller is asking that the package only be deleted for a single 15430 // user. To do this, we just mark its uninstalled state and delete 15431 // its data. If this is a system app, we only allow this to happen if 15432 // they have set the special DELETE_SYSTEM_APP which requests different 15433 // semantics than normal for uninstalling system apps. 15434 markPackageUninstalledForUserLPw(ps, user); 15435 15436 if (!isSystemApp(ps)) { 15437 // Do not uninstall the APK if an app should be cached 15438 boolean keepUninstalledPackage = shouldKeepUninstalledPackageLPr(packageName); 15439 if (ps.isAnyInstalled(sUserManager.getUserIds()) || keepUninstalledPackage) { 15440 // Other user still have this package installed, so all 15441 // we need to do is clear this user's data and save that 15442 // it is uninstalled. 15443 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 15444 if (!clearPackageStateForUser(ps, user.getIdentifier(), outInfo)) { 15445 return false; 15446 } 15447 scheduleWritePackageRestrictionsLocked(user); 15448 return true; 15449 } else { 15450 // We need to set it back to 'installed' so the uninstall 15451 // broadcasts will be sent correctly. 15452 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 15453 ps.setInstalled(true, user.getIdentifier()); 15454 } 15455 } else { 15456 // This is a system app, so we assume that the 15457 // other users still have this package installed, so all 15458 // we need to do is clear this user's data and save that 15459 // it is uninstalled. 15460 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 15461 if (!clearPackageStateForUser(ps, user.getIdentifier(), outInfo)) { 15462 return false; 15463 } 15464 scheduleWritePackageRestrictionsLocked(user); 15465 return true; 15466 } 15467 } 15468 15469 // If we are deleting a composite package for all users, keep track 15470 // of result for each child. 15471 if (ps.childPackageNames != null && outInfo != null) { 15472 synchronized (mPackages) { 15473 final int childCount = ps.childPackageNames.size(); 15474 outInfo.removedChildPackages = new ArrayMap<>(childCount); 15475 for (int i = 0; i < childCount; i++) { 15476 String childPackageName = ps.childPackageNames.get(i); 15477 PackageRemovedInfo childInfo = new PackageRemovedInfo(); 15478 childInfo.removedPackage = childPackageName; 15479 outInfo.removedChildPackages.put(childPackageName, childInfo); 15480 PackageSetting childPs = mSettings.peekPackageLPr(childPackageName); 15481 if (childPs != null) { 15482 childInfo.origUsers = childPs.queryInstalledUsers(allUserHandles, true); 15483 } 15484 } 15485 } 15486 } 15487 15488 boolean ret = false; 15489 if (isSystemApp(ps)) { 15490 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package: " + ps.name); 15491 // When an updated system application is deleted we delete the existing resources 15492 // as well and fall back to existing code in system partition 15493 ret = deleteSystemPackageLI(ps.pkg, ps, allUserHandles, flags, outInfo, writeSettings); 15494 } else { 15495 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package: " + ps.name); 15496 // Kill application pre-emptively especially for apps on sd. 15497 final boolean killApp = (flags & PackageManager.DELETE_DONT_KILL_APP) == 0; 15498 if (killApp) { 15499 killApplication(packageName, ps.appId, "uninstall pkg"); 15500 } 15501 ret = deleteInstalledPackageLI(ps, deleteCodeAndResources, flags, allUserHandles, 15502 outInfo, writeSettings, replacingPackage); 15503 } 15504 15505 // Take a note whether we deleted the package for all users 15506 if (outInfo != null) { 15507 outInfo.removedForAllUsers = mPackages.get(ps.name) == null; 15508 if (outInfo.removedChildPackages != null) { 15509 synchronized (mPackages) { 15510 final int childCount = outInfo.removedChildPackages.size(); 15511 for (int i = 0; i < childCount; i++) { 15512 PackageRemovedInfo childInfo = outInfo.removedChildPackages.valueAt(i); 15513 if (childInfo != null) { 15514 childInfo.removedForAllUsers = mPackages.get( 15515 childInfo.removedPackage) == null; 15516 } 15517 } 15518 } 15519 } 15520 // If we uninstalled an update to a system app there may be some 15521 // child packages that appeared as they are declared in the system 15522 // app but were not declared in the update. 15523 if (isSystemApp(ps)) { 15524 synchronized (mPackages) { 15525 PackageSetting updatedPs = mSettings.peekPackageLPr(ps.name); 15526 final int childCount = (updatedPs.childPackageNames != null) 15527 ? updatedPs.childPackageNames.size() : 0; 15528 for (int i = 0; i < childCount; i++) { 15529 String childPackageName = updatedPs.childPackageNames.get(i); 15530 if (outInfo.removedChildPackages == null 15531 || outInfo.removedChildPackages.indexOfKey(childPackageName) < 0) { 15532 PackageSetting childPs = mSettings.peekPackageLPr(childPackageName); 15533 if (childPs == null) { 15534 continue; 15535 } 15536 PackageInstalledInfo installRes = new PackageInstalledInfo(); 15537 installRes.name = childPackageName; 15538 installRes.newUsers = childPs.queryInstalledUsers(allUserHandles, true); 15539 installRes.pkg = mPackages.get(childPackageName); 15540 installRes.uid = childPs.pkg.applicationInfo.uid; 15541 if (outInfo.appearedChildPackages == null) { 15542 outInfo.appearedChildPackages = new ArrayMap<>(); 15543 } 15544 outInfo.appearedChildPackages.put(childPackageName, installRes); 15545 } 15546 } 15547 } 15548 } 15549 } 15550 15551 return ret; 15552 } 15553 15554 private void markPackageUninstalledForUserLPw(PackageSetting ps, UserHandle user) { 15555 final int[] userIds = (user == null || user.getIdentifier() == UserHandle.USER_ALL) 15556 ? sUserManager.getUserIds() : new int[] {user.getIdentifier()}; 15557 for (int nextUserId : userIds) { 15558 if (DEBUG_REMOVE) { 15559 Slog.d(TAG, "Marking package:" + ps.name + " uninstalled for user:" + nextUserId); 15560 } 15561 ps.setUserState(nextUserId, COMPONENT_ENABLED_STATE_DEFAULT, 15562 false /*installed*/, true /*stopped*/, true /*notLaunched*/, 15563 false /*hidden*/, false /*suspended*/, null, null, null, 15564 false /*blockUninstall*/, 15565 ps.readUserState(nextUserId).domainVerificationStatus, 0); 15566 } 15567 } 15568 15569 private boolean clearPackageStateForUser(PackageSetting ps, int userId, 15570 PackageRemovedInfo outInfo) { 15571 final int[] userIds = (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() 15572 : new int[] {userId}; 15573 for (int nextUserId : userIds) { 15574 if (DEBUG_REMOVE) { 15575 Slog.d(TAG, "Updating package:" + ps.name + " install state for user:" 15576 + nextUserId); 15577 } 15578 final int flags = StorageManager.FLAG_STORAGE_CE| StorageManager.FLAG_STORAGE_DE; 15579 try { 15580 mInstaller.destroyAppData(ps.volumeUuid, ps.name, nextUserId, flags); 15581 } catch (InstallerException e) { 15582 Slog.w(TAG, "Couldn't remove cache files for package " + ps.name, e); 15583 return false; 15584 } 15585 removeKeystoreDataIfNeeded(nextUserId, ps.appId); 15586 schedulePackageCleaning(ps.name, nextUserId, false); 15587 synchronized (mPackages) { 15588 if (clearPackagePreferredActivitiesLPw(ps.name, nextUserId)) { 15589 scheduleWritePackageRestrictionsLocked(nextUserId); 15590 } 15591 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, nextUserId); 15592 } 15593 } 15594 15595 if (outInfo != null) { 15596 outInfo.removedPackage = ps.name; 15597 outInfo.removedAppId = ps.appId; 15598 outInfo.removedUsers = userIds; 15599 } 15600 15601 return true; 15602 } 15603 15604 private final class ClearStorageConnection implements ServiceConnection { 15605 IMediaContainerService mContainerService; 15606 15607 @Override 15608 public void onServiceConnected(ComponentName name, IBinder service) { 15609 synchronized (this) { 15610 mContainerService = IMediaContainerService.Stub.asInterface(service); 15611 notifyAll(); 15612 } 15613 } 15614 15615 @Override 15616 public void onServiceDisconnected(ComponentName name) { 15617 } 15618 } 15619 15620 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 15621 final boolean mounted; 15622 if (Environment.isExternalStorageEmulated()) { 15623 mounted = true; 15624 } else { 15625 final String status = Environment.getExternalStorageState(); 15626 15627 mounted = status.equals(Environment.MEDIA_MOUNTED) 15628 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 15629 } 15630 15631 if (!mounted) { 15632 return; 15633 } 15634 15635 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 15636 int[] users; 15637 if (userId == UserHandle.USER_ALL) { 15638 users = sUserManager.getUserIds(); 15639 } else { 15640 users = new int[] { userId }; 15641 } 15642 final ClearStorageConnection conn = new ClearStorageConnection(); 15643 if (mContext.bindServiceAsUser( 15644 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 15645 try { 15646 for (int curUser : users) { 15647 long timeout = SystemClock.uptimeMillis() + 5000; 15648 synchronized (conn) { 15649 long now = SystemClock.uptimeMillis(); 15650 while (conn.mContainerService == null && now < timeout) { 15651 try { 15652 conn.wait(timeout - now); 15653 } catch (InterruptedException e) { 15654 } 15655 } 15656 } 15657 if (conn.mContainerService == null) { 15658 return; 15659 } 15660 15661 final UserEnvironment userEnv = new UserEnvironment(curUser); 15662 clearDirectory(conn.mContainerService, 15663 userEnv.buildExternalStorageAppCacheDirs(packageName)); 15664 if (allData) { 15665 clearDirectory(conn.mContainerService, 15666 userEnv.buildExternalStorageAppDataDirs(packageName)); 15667 clearDirectory(conn.mContainerService, 15668 userEnv.buildExternalStorageAppMediaDirs(packageName)); 15669 } 15670 } 15671 } finally { 15672 mContext.unbindService(conn); 15673 } 15674 } 15675 } 15676 15677 @Override 15678 public void clearApplicationProfileData(String packageName) { 15679 enforceSystemOrRoot("Only the system can clear all profile data"); 15680 try { 15681 mInstaller.clearAppProfiles(packageName); 15682 } catch (InstallerException ex) { 15683 Log.e(TAG, "Could not clear profile data of package " + packageName); 15684 } 15685 } 15686 15687 @Override 15688 public void clearApplicationUserData(final String packageName, 15689 final IPackageDataObserver observer, final int userId) { 15690 mContext.enforceCallingOrSelfPermission( 15691 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 15692 15693 enforceCrossUserPermission(Binder.getCallingUid(), userId, 15694 true /* requireFullPermission */, false /* checkShell */, "clear application data"); 15695 15696 final DevicePolicyManagerInternal dpmi = LocalServices 15697 .getService(DevicePolicyManagerInternal.class); 15698 if (dpmi != null && dpmi.hasDeviceOwnerOrProfileOwner(packageName, userId)) { 15699 throw new SecurityException("Cannot clear data for a device owner or a profile owner"); 15700 } 15701 // Queue up an async operation since the package deletion may take a little while. 15702 mHandler.post(new Runnable() { 15703 public void run() { 15704 mHandler.removeCallbacks(this); 15705 final boolean succeeded; 15706 synchronized (mInstallLock) { 15707 succeeded = clearApplicationUserDataLI(packageName, userId); 15708 } 15709 clearExternalStorageDataSync(packageName, userId, true); 15710 if (succeeded) { 15711 // invoke DeviceStorageMonitor's update method to clear any notifications 15712 DeviceStorageMonitorInternal dsm = LocalServices 15713 .getService(DeviceStorageMonitorInternal.class); 15714 if (dsm != null) { 15715 dsm.checkMemory(); 15716 } 15717 } 15718 if(observer != null) { 15719 try { 15720 observer.onRemoveCompleted(packageName, succeeded); 15721 } catch (RemoteException e) { 15722 Log.i(TAG, "Observer no longer exists."); 15723 } 15724 } //end if observer 15725 } //end run 15726 }); 15727 } 15728 15729 private boolean clearApplicationUserDataLI(String packageName, int userId) { 15730 if (packageName == null) { 15731 Slog.w(TAG, "Attempt to delete null packageName."); 15732 return false; 15733 } 15734 15735 // Try finding details about the requested package 15736 PackageParser.Package pkg; 15737 synchronized (mPackages) { 15738 pkg = mPackages.get(packageName); 15739 if (pkg == null) { 15740 final PackageSetting ps = mSettings.mPackages.get(packageName); 15741 if (ps != null) { 15742 pkg = ps.pkg; 15743 } 15744 } 15745 15746 if (pkg == null) { 15747 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 15748 return false; 15749 } 15750 15751 PackageSetting ps = (PackageSetting) pkg.mExtras; 15752 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 15753 } 15754 15755 // Always delete data directories for package, even if we found no other 15756 // record of app. This helps users recover from UID mismatches without 15757 // resorting to a full data wipe. 15758 // TODO: triage flags as part of 26466827 15759 final int flags = StorageManager.FLAG_STORAGE_CE | StorageManager.FLAG_STORAGE_DE; 15760 try { 15761 mInstaller.clearAppData(pkg.volumeUuid, packageName, userId, flags); 15762 } catch (InstallerException e) { 15763 Slog.w(TAG, "Couldn't remove cache files for package " + packageName, e); 15764 return false; 15765 } 15766 15767 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 15768 removeKeystoreDataIfNeeded(userId, appId); 15769 15770 // Create a native library symlink only if we have native libraries 15771 // and if the native libraries are 32 bit libraries. We do not provide 15772 // this symlink for 64 bit libraries. 15773 if (pkg.applicationInfo.primaryCpuAbi != null && 15774 !VMRuntime.is64BitAbi(pkg.applicationInfo.primaryCpuAbi)) { 15775 final String nativeLibPath = pkg.applicationInfo.nativeLibraryDir; 15776 try { 15777 mInstaller.linkNativeLibraryDirectory(pkg.volumeUuid, pkg.packageName, 15778 nativeLibPath, userId); 15779 } catch (InstallerException e) { 15780 Slog.w(TAG, "Failed linking native library dir", e); 15781 return false; 15782 } 15783 } 15784 15785 return true; 15786 } 15787 15788 /** 15789 * Reverts user permission state changes (permissions and flags) in 15790 * all packages for a given user. 15791 * 15792 * @param userId The device user for which to do a reset. 15793 */ 15794 private void resetUserChangesToRuntimePermissionsAndFlagsLPw(int userId) { 15795 final int packageCount = mPackages.size(); 15796 for (int i = 0; i < packageCount; i++) { 15797 PackageParser.Package pkg = mPackages.valueAt(i); 15798 PackageSetting ps = (PackageSetting) pkg.mExtras; 15799 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 15800 } 15801 } 15802 15803 /** 15804 * Reverts user permission state changes (permissions and flags). 15805 * 15806 * @param ps The package for which to reset. 15807 * @param userId The device user for which to do a reset. 15808 */ 15809 private void resetUserChangesToRuntimePermissionsAndFlagsLPw( 15810 final PackageSetting ps, final int userId) { 15811 if (ps.pkg == null) { 15812 return; 15813 } 15814 15815 // These are flags that can change base on user actions. 15816 final int userSettableMask = FLAG_PERMISSION_USER_SET 15817 | FLAG_PERMISSION_USER_FIXED 15818 | FLAG_PERMISSION_REVOKE_ON_UPGRADE 15819 | FLAG_PERMISSION_REVIEW_REQUIRED; 15820 15821 final int policyOrSystemFlags = FLAG_PERMISSION_SYSTEM_FIXED 15822 | FLAG_PERMISSION_POLICY_FIXED; 15823 15824 boolean writeInstallPermissions = false; 15825 boolean writeRuntimePermissions = false; 15826 15827 final int permissionCount = ps.pkg.requestedPermissions.size(); 15828 for (int i = 0; i < permissionCount; i++) { 15829 String permission = ps.pkg.requestedPermissions.get(i); 15830 15831 BasePermission bp = mSettings.mPermissions.get(permission); 15832 if (bp == null) { 15833 continue; 15834 } 15835 15836 // If shared user we just reset the state to which only this app contributed. 15837 if (ps.sharedUser != null) { 15838 boolean used = false; 15839 final int packageCount = ps.sharedUser.packages.size(); 15840 for (int j = 0; j < packageCount; j++) { 15841 PackageSetting pkg = ps.sharedUser.packages.valueAt(j); 15842 if (pkg.pkg != null && !pkg.pkg.packageName.equals(ps.pkg.packageName) 15843 && pkg.pkg.requestedPermissions.contains(permission)) { 15844 used = true; 15845 break; 15846 } 15847 } 15848 if (used) { 15849 continue; 15850 } 15851 } 15852 15853 PermissionsState permissionsState = ps.getPermissionsState(); 15854 15855 final int oldFlags = permissionsState.getPermissionFlags(bp.name, userId); 15856 15857 // Always clear the user settable flags. 15858 final boolean hasInstallState = permissionsState.getInstallPermissionState( 15859 bp.name) != null; 15860 // If permission review is enabled and this is a legacy app, mark the 15861 // permission as requiring a review as this is the initial state. 15862 int flags = 0; 15863 if (Build.PERMISSIONS_REVIEW_REQUIRED 15864 && ps.pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 15865 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 15866 } 15867 if (permissionsState.updatePermissionFlags(bp, userId, userSettableMask, flags)) { 15868 if (hasInstallState) { 15869 writeInstallPermissions = true; 15870 } else { 15871 writeRuntimePermissions = true; 15872 } 15873 } 15874 15875 // Below is only runtime permission handling. 15876 if (!bp.isRuntime()) { 15877 continue; 15878 } 15879 15880 // Never clobber system or policy. 15881 if ((oldFlags & policyOrSystemFlags) != 0) { 15882 continue; 15883 } 15884 15885 // If this permission was granted by default, make sure it is. 15886 if ((oldFlags & FLAG_PERMISSION_GRANTED_BY_DEFAULT) != 0) { 15887 if (permissionsState.grantRuntimePermission(bp, userId) 15888 != PERMISSION_OPERATION_FAILURE) { 15889 writeRuntimePermissions = true; 15890 } 15891 // If permission review is enabled the permissions for a legacy apps 15892 // are represented as constantly granted runtime ones, so don't revoke. 15893 } else if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 15894 // Otherwise, reset the permission. 15895 final int revokeResult = permissionsState.revokeRuntimePermission(bp, userId); 15896 switch (revokeResult) { 15897 case PERMISSION_OPERATION_SUCCESS: 15898 case PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 15899 writeRuntimePermissions = true; 15900 final int appId = ps.appId; 15901 mHandler.post(new Runnable() { 15902 @Override 15903 public void run() { 15904 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 15905 } 15906 }); 15907 } break; 15908 } 15909 } 15910 } 15911 15912 // Synchronously write as we are taking permissions away. 15913 if (writeRuntimePermissions) { 15914 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 15915 } 15916 15917 // Synchronously write as we are taking permissions away. 15918 if (writeInstallPermissions) { 15919 mSettings.writeLPr(); 15920 } 15921 } 15922 15923 /** 15924 * Remove entries from the keystore daemon. Will only remove it if the 15925 * {@code appId} is valid. 15926 */ 15927 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 15928 if (appId < 0) { 15929 return; 15930 } 15931 15932 final KeyStore keyStore = KeyStore.getInstance(); 15933 if (keyStore != null) { 15934 if (userId == UserHandle.USER_ALL) { 15935 for (final int individual : sUserManager.getUserIds()) { 15936 keyStore.clearUid(UserHandle.getUid(individual, appId)); 15937 } 15938 } else { 15939 keyStore.clearUid(UserHandle.getUid(userId, appId)); 15940 } 15941 } else { 15942 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 15943 } 15944 } 15945 15946 @Override 15947 public void deleteApplicationCacheFiles(final String packageName, 15948 final IPackageDataObserver observer) { 15949 mContext.enforceCallingOrSelfPermission( 15950 android.Manifest.permission.DELETE_CACHE_FILES, null); 15951 // Queue up an async operation since the package deletion may take a little while. 15952 final int userId = UserHandle.getCallingUserId(); 15953 mHandler.post(new Runnable() { 15954 public void run() { 15955 mHandler.removeCallbacks(this); 15956 final boolean succeded; 15957 synchronized (mInstallLock) { 15958 succeded = deleteApplicationCacheFilesLI(packageName, userId); 15959 } 15960 clearExternalStorageDataSync(packageName, userId, false); 15961 if (observer != null) { 15962 try { 15963 observer.onRemoveCompleted(packageName, succeded); 15964 } catch (RemoteException e) { 15965 Log.i(TAG, "Observer no longer exists."); 15966 } 15967 } //end if observer 15968 } //end run 15969 }); 15970 } 15971 15972 private boolean deleteApplicationCacheFilesLI(String packageName, int userId) { 15973 if (packageName == null) { 15974 Slog.w(TAG, "Attempt to delete null packageName."); 15975 return false; 15976 } 15977 PackageParser.Package p; 15978 synchronized (mPackages) { 15979 p = mPackages.get(packageName); 15980 } 15981 if (p == null) { 15982 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 15983 return false; 15984 } 15985 final ApplicationInfo applicationInfo = p.applicationInfo; 15986 if (applicationInfo == null) { 15987 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 15988 return false; 15989 } 15990 // TODO: triage flags as part of 26466827 15991 final int flags = StorageManager.FLAG_STORAGE_CE | StorageManager.FLAG_STORAGE_DE; 15992 try { 15993 mInstaller.clearAppData(p.volumeUuid, packageName, userId, 15994 flags | Installer.FLAG_CLEAR_CACHE_ONLY); 15995 } catch (InstallerException e) { 15996 Slog.w(TAG, "Couldn't remove cache files for package " 15997 + packageName + " u" + userId, e); 15998 return false; 15999 } 16000 return true; 16001 } 16002 16003 @Override 16004 public void getPackageSizeInfo(final String packageName, int userHandle, 16005 final IPackageStatsObserver observer) { 16006 mContext.enforceCallingOrSelfPermission( 16007 android.Manifest.permission.GET_PACKAGE_SIZE, null); 16008 if (packageName == null) { 16009 throw new IllegalArgumentException("Attempt to get size of null packageName"); 16010 } 16011 16012 PackageStats stats = new PackageStats(packageName, userHandle); 16013 16014 /* 16015 * Queue up an async operation since the package measurement may take a 16016 * little while. 16017 */ 16018 Message msg = mHandler.obtainMessage(INIT_COPY); 16019 msg.obj = new MeasureParams(stats, observer); 16020 mHandler.sendMessage(msg); 16021 } 16022 16023 private boolean getPackageSizeInfoLI(String packageName, int userHandle, 16024 PackageStats pStats) { 16025 if (packageName == null) { 16026 Slog.w(TAG, "Attempt to get size of null packageName."); 16027 return false; 16028 } 16029 PackageParser.Package p; 16030 boolean dataOnly = false; 16031 String libDirRoot = null; 16032 String asecPath = null; 16033 PackageSetting ps = null; 16034 synchronized (mPackages) { 16035 p = mPackages.get(packageName); 16036 ps = mSettings.mPackages.get(packageName); 16037 if(p == null) { 16038 dataOnly = true; 16039 if((ps == null) || (ps.pkg == null)) { 16040 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 16041 return false; 16042 } 16043 p = ps.pkg; 16044 } 16045 if (ps != null) { 16046 libDirRoot = ps.legacyNativeLibraryPathString; 16047 } 16048 if (p != null && (p.isForwardLocked() || p.applicationInfo.isExternalAsec())) { 16049 final long token = Binder.clearCallingIdentity(); 16050 try { 16051 String secureContainerId = cidFromCodePath(p.applicationInfo.getBaseCodePath()); 16052 if (secureContainerId != null) { 16053 asecPath = PackageHelper.getSdFilesystem(secureContainerId); 16054 } 16055 } finally { 16056 Binder.restoreCallingIdentity(token); 16057 } 16058 } 16059 } 16060 String publicSrcDir = null; 16061 if(!dataOnly) { 16062 final ApplicationInfo applicationInfo = p.applicationInfo; 16063 if (applicationInfo == null) { 16064 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 16065 return false; 16066 } 16067 if (p.isForwardLocked()) { 16068 publicSrcDir = applicationInfo.getBaseResourcePath(); 16069 } 16070 } 16071 // TODO: extend to measure size of split APKs 16072 // TODO(multiArch): Extend getSizeInfo to look at the full subdirectory tree, 16073 // not just the first level. 16074 // TODO(multiArch): Extend getSizeInfo to look at *all* instruction sets, not 16075 // just the primary. 16076 String[] dexCodeInstructionSets = getDexCodeInstructionSets(getAppDexInstructionSets(ps)); 16077 16078 String apkPath; 16079 File packageDir = new File(p.codePath); 16080 16081 if (packageDir.isDirectory() && p.canHaveOatDir()) { 16082 apkPath = packageDir.getAbsolutePath(); 16083 // If libDirRoot is inside a package dir, set it to null to avoid it being counted twice 16084 if (libDirRoot != null && libDirRoot.startsWith(apkPath)) { 16085 libDirRoot = null; 16086 } 16087 } else { 16088 apkPath = p.baseCodePath; 16089 } 16090 16091 // TODO: triage flags as part of 26466827 16092 final int flags = StorageManager.FLAG_STORAGE_CE | StorageManager.FLAG_STORAGE_DE; 16093 try { 16094 mInstaller.getAppSize(p.volumeUuid, packageName, userHandle, flags, apkPath, 16095 libDirRoot, publicSrcDir, asecPath, dexCodeInstructionSets, pStats); 16096 } catch (InstallerException e) { 16097 return false; 16098 } 16099 16100 // Fix-up for forward-locked applications in ASEC containers. 16101 if (!isExternal(p)) { 16102 pStats.codeSize += pStats.externalCodeSize; 16103 pStats.externalCodeSize = 0L; 16104 } 16105 16106 return true; 16107 } 16108 16109 private int getUidTargetSdkVersionLockedLPr(int uid) { 16110 Object obj = mSettings.getUserIdLPr(uid); 16111 if (obj instanceof SharedUserSetting) { 16112 final SharedUserSetting sus = (SharedUserSetting) obj; 16113 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 16114 final Iterator<PackageSetting> it = sus.packages.iterator(); 16115 while (it.hasNext()) { 16116 final PackageSetting ps = it.next(); 16117 if (ps.pkg != null) { 16118 int v = ps.pkg.applicationInfo.targetSdkVersion; 16119 if (v < vers) vers = v; 16120 } 16121 } 16122 return vers; 16123 } else if (obj instanceof PackageSetting) { 16124 final PackageSetting ps = (PackageSetting) obj; 16125 if (ps.pkg != null) { 16126 return ps.pkg.applicationInfo.targetSdkVersion; 16127 } 16128 } 16129 return Build.VERSION_CODES.CUR_DEVELOPMENT; 16130 } 16131 16132 @Override 16133 public void addPreferredActivity(IntentFilter filter, int match, 16134 ComponentName[] set, ComponentName activity, int userId) { 16135 addPreferredActivityInternal(filter, match, set, activity, true, userId, 16136 "Adding preferred"); 16137 } 16138 16139 private void addPreferredActivityInternal(IntentFilter filter, int match, 16140 ComponentName[] set, ComponentName activity, boolean always, int userId, 16141 String opname) { 16142 // writer 16143 int callingUid = Binder.getCallingUid(); 16144 enforceCrossUserPermission(callingUid, userId, 16145 true /* requireFullPermission */, false /* checkShell */, "add preferred activity"); 16146 if (filter.countActions() == 0) { 16147 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 16148 return; 16149 } 16150 synchronized (mPackages) { 16151 if (mContext.checkCallingOrSelfPermission( 16152 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 16153 != PackageManager.PERMISSION_GRANTED) { 16154 if (getUidTargetSdkVersionLockedLPr(callingUid) 16155 < Build.VERSION_CODES.FROYO) { 16156 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 16157 + callingUid); 16158 return; 16159 } 16160 mContext.enforceCallingOrSelfPermission( 16161 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16162 } 16163 16164 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 16165 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 16166 + userId + ":"); 16167 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16168 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 16169 scheduleWritePackageRestrictionsLocked(userId); 16170 } 16171 } 16172 16173 @Override 16174 public void replacePreferredActivity(IntentFilter filter, int match, 16175 ComponentName[] set, ComponentName activity, int userId) { 16176 if (filter.countActions() != 1) { 16177 throw new IllegalArgumentException( 16178 "replacePreferredActivity expects filter to have only 1 action."); 16179 } 16180 if (filter.countDataAuthorities() != 0 16181 || filter.countDataPaths() != 0 16182 || filter.countDataSchemes() > 1 16183 || filter.countDataTypes() != 0) { 16184 throw new IllegalArgumentException( 16185 "replacePreferredActivity expects filter to have no data authorities, " + 16186 "paths, or types; and at most one scheme."); 16187 } 16188 16189 final int callingUid = Binder.getCallingUid(); 16190 enforceCrossUserPermission(callingUid, userId, 16191 true /* requireFullPermission */, false /* checkShell */, 16192 "replace preferred activity"); 16193 synchronized (mPackages) { 16194 if (mContext.checkCallingOrSelfPermission( 16195 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 16196 != PackageManager.PERMISSION_GRANTED) { 16197 if (getUidTargetSdkVersionLockedLPr(callingUid) 16198 < Build.VERSION_CODES.FROYO) { 16199 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 16200 + Binder.getCallingUid()); 16201 return; 16202 } 16203 mContext.enforceCallingOrSelfPermission( 16204 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16205 } 16206 16207 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 16208 if (pir != null) { 16209 // Get all of the existing entries that exactly match this filter. 16210 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 16211 if (existing != null && existing.size() == 1) { 16212 PreferredActivity cur = existing.get(0); 16213 if (DEBUG_PREFERRED) { 16214 Slog.i(TAG, "Checking replace of preferred:"); 16215 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16216 if (!cur.mPref.mAlways) { 16217 Slog.i(TAG, " -- CUR; not mAlways!"); 16218 } else { 16219 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 16220 Slog.i(TAG, " -- CUR: mSet=" 16221 + Arrays.toString(cur.mPref.mSetComponents)); 16222 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 16223 Slog.i(TAG, " -- NEW: mMatch=" 16224 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 16225 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 16226 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 16227 } 16228 } 16229 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 16230 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 16231 && cur.mPref.sameSet(set)) { 16232 // Setting the preferred activity to what it happens to be already 16233 if (DEBUG_PREFERRED) { 16234 Slog.i(TAG, "Replacing with same preferred activity " 16235 + cur.mPref.mShortComponent + " for user " 16236 + userId + ":"); 16237 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16238 } 16239 return; 16240 } 16241 } 16242 16243 if (existing != null) { 16244 if (DEBUG_PREFERRED) { 16245 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 16246 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16247 } 16248 for (int i = 0; i < existing.size(); i++) { 16249 PreferredActivity pa = existing.get(i); 16250 if (DEBUG_PREFERRED) { 16251 Slog.i(TAG, "Removing existing preferred activity " 16252 + pa.mPref.mComponent + ":"); 16253 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 16254 } 16255 pir.removeFilter(pa); 16256 } 16257 } 16258 } 16259 addPreferredActivityInternal(filter, match, set, activity, true, userId, 16260 "Replacing preferred"); 16261 } 16262 } 16263 16264 @Override 16265 public void clearPackagePreferredActivities(String packageName) { 16266 final int uid = Binder.getCallingUid(); 16267 // writer 16268 synchronized (mPackages) { 16269 PackageParser.Package pkg = mPackages.get(packageName); 16270 if (pkg == null || pkg.applicationInfo.uid != uid) { 16271 if (mContext.checkCallingOrSelfPermission( 16272 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 16273 != PackageManager.PERMISSION_GRANTED) { 16274 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 16275 < Build.VERSION_CODES.FROYO) { 16276 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 16277 + Binder.getCallingUid()); 16278 return; 16279 } 16280 mContext.enforceCallingOrSelfPermission( 16281 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16282 } 16283 } 16284 16285 int user = UserHandle.getCallingUserId(); 16286 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 16287 scheduleWritePackageRestrictionsLocked(user); 16288 } 16289 } 16290 } 16291 16292 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 16293 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 16294 ArrayList<PreferredActivity> removed = null; 16295 boolean changed = false; 16296 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 16297 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 16298 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 16299 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 16300 continue; 16301 } 16302 Iterator<PreferredActivity> it = pir.filterIterator(); 16303 while (it.hasNext()) { 16304 PreferredActivity pa = it.next(); 16305 // Mark entry for removal only if it matches the package name 16306 // and the entry is of type "always". 16307 if (packageName == null || 16308 (pa.mPref.mComponent.getPackageName().equals(packageName) 16309 && pa.mPref.mAlways)) { 16310 if (removed == null) { 16311 removed = new ArrayList<PreferredActivity>(); 16312 } 16313 removed.add(pa); 16314 } 16315 } 16316 if (removed != null) { 16317 for (int j=0; j<removed.size(); j++) { 16318 PreferredActivity pa = removed.get(j); 16319 pir.removeFilter(pa); 16320 } 16321 changed = true; 16322 } 16323 } 16324 return changed; 16325 } 16326 16327 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 16328 private void clearIntentFilterVerificationsLPw(int userId) { 16329 final int packageCount = mPackages.size(); 16330 for (int i = 0; i < packageCount; i++) { 16331 PackageParser.Package pkg = mPackages.valueAt(i); 16332 clearIntentFilterVerificationsLPw(pkg.packageName, userId); 16333 } 16334 } 16335 16336 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 16337 void clearIntentFilterVerificationsLPw(String packageName, int userId) { 16338 if (userId == UserHandle.USER_ALL) { 16339 if (mSettings.removeIntentFilterVerificationLPw(packageName, 16340 sUserManager.getUserIds())) { 16341 for (int oneUserId : sUserManager.getUserIds()) { 16342 scheduleWritePackageRestrictionsLocked(oneUserId); 16343 } 16344 } 16345 } else { 16346 if (mSettings.removeIntentFilterVerificationLPw(packageName, userId)) { 16347 scheduleWritePackageRestrictionsLocked(userId); 16348 } 16349 } 16350 } 16351 16352 void clearDefaultBrowserIfNeeded(String packageName) { 16353 for (int oneUserId : sUserManager.getUserIds()) { 16354 String defaultBrowserPackageName = getDefaultBrowserPackageName(oneUserId); 16355 if (TextUtils.isEmpty(defaultBrowserPackageName)) continue; 16356 if (packageName.equals(defaultBrowserPackageName)) { 16357 setDefaultBrowserPackageName(null, oneUserId); 16358 } 16359 } 16360 } 16361 16362 @Override 16363 public void resetApplicationPreferences(int userId) { 16364 mContext.enforceCallingOrSelfPermission( 16365 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 16366 // writer 16367 synchronized (mPackages) { 16368 final long identity = Binder.clearCallingIdentity(); 16369 try { 16370 clearPackagePreferredActivitiesLPw(null, userId); 16371 mSettings.applyDefaultPreferredAppsLPw(this, userId); 16372 // TODO: We have to reset the default SMS and Phone. This requires 16373 // significant refactoring to keep all default apps in the package 16374 // manager (cleaner but more work) or have the services provide 16375 // callbacks to the package manager to request a default app reset. 16376 applyFactoryDefaultBrowserLPw(userId); 16377 clearIntentFilterVerificationsLPw(userId); 16378 primeDomainVerificationsLPw(userId); 16379 resetUserChangesToRuntimePermissionsAndFlagsLPw(userId); 16380 scheduleWritePackageRestrictionsLocked(userId); 16381 } finally { 16382 Binder.restoreCallingIdentity(identity); 16383 } 16384 } 16385 } 16386 16387 @Override 16388 public int getPreferredActivities(List<IntentFilter> outFilters, 16389 List<ComponentName> outActivities, String packageName) { 16390 16391 int num = 0; 16392 final int userId = UserHandle.getCallingUserId(); 16393 // reader 16394 synchronized (mPackages) { 16395 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 16396 if (pir != null) { 16397 final Iterator<PreferredActivity> it = pir.filterIterator(); 16398 while (it.hasNext()) { 16399 final PreferredActivity pa = it.next(); 16400 if (packageName == null 16401 || (pa.mPref.mComponent.getPackageName().equals(packageName) 16402 && pa.mPref.mAlways)) { 16403 if (outFilters != null) { 16404 outFilters.add(new IntentFilter(pa)); 16405 } 16406 if (outActivities != null) { 16407 outActivities.add(pa.mPref.mComponent); 16408 } 16409 } 16410 } 16411 } 16412 } 16413 16414 return num; 16415 } 16416 16417 @Override 16418 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 16419 int userId) { 16420 int callingUid = Binder.getCallingUid(); 16421 if (callingUid != Process.SYSTEM_UID) { 16422 throw new SecurityException( 16423 "addPersistentPreferredActivity can only be run by the system"); 16424 } 16425 if (filter.countActions() == 0) { 16426 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 16427 return; 16428 } 16429 synchronized (mPackages) { 16430 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 16431 ":"); 16432 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16433 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 16434 new PersistentPreferredActivity(filter, activity)); 16435 scheduleWritePackageRestrictionsLocked(userId); 16436 } 16437 } 16438 16439 @Override 16440 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 16441 int callingUid = Binder.getCallingUid(); 16442 if (callingUid != Process.SYSTEM_UID) { 16443 throw new SecurityException( 16444 "clearPackagePersistentPreferredActivities can only be run by the system"); 16445 } 16446 ArrayList<PersistentPreferredActivity> removed = null; 16447 boolean changed = false; 16448 synchronized (mPackages) { 16449 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 16450 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 16451 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 16452 .valueAt(i); 16453 if (userId != thisUserId) { 16454 continue; 16455 } 16456 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 16457 while (it.hasNext()) { 16458 PersistentPreferredActivity ppa = it.next(); 16459 // Mark entry for removal only if it matches the package name. 16460 if (ppa.mComponent.getPackageName().equals(packageName)) { 16461 if (removed == null) { 16462 removed = new ArrayList<PersistentPreferredActivity>(); 16463 } 16464 removed.add(ppa); 16465 } 16466 } 16467 if (removed != null) { 16468 for (int j=0; j<removed.size(); j++) { 16469 PersistentPreferredActivity ppa = removed.get(j); 16470 ppir.removeFilter(ppa); 16471 } 16472 changed = true; 16473 } 16474 } 16475 16476 if (changed) { 16477 scheduleWritePackageRestrictionsLocked(userId); 16478 } 16479 } 16480 } 16481 16482 /** 16483 * Common machinery for picking apart a restored XML blob and passing 16484 * it to a caller-supplied functor to be applied to the running system. 16485 */ 16486 private void restoreFromXml(XmlPullParser parser, int userId, 16487 String expectedStartTag, BlobXmlRestorer functor) 16488 throws IOException, XmlPullParserException { 16489 int type; 16490 while ((type = parser.next()) != XmlPullParser.START_TAG 16491 && type != XmlPullParser.END_DOCUMENT) { 16492 } 16493 if (type != XmlPullParser.START_TAG) { 16494 // oops didn't find a start tag?! 16495 if (DEBUG_BACKUP) { 16496 Slog.e(TAG, "Didn't find start tag during restore"); 16497 } 16498 return; 16499 } 16500Slog.v(TAG, ":: restoreFromXml() : got to tag " + parser.getName()); 16501 // this is supposed to be TAG_PREFERRED_BACKUP 16502 if (!expectedStartTag.equals(parser.getName())) { 16503 if (DEBUG_BACKUP) { 16504 Slog.e(TAG, "Found unexpected tag " + parser.getName()); 16505 } 16506 return; 16507 } 16508 16509 // skip interfering stuff, then we're aligned with the backing implementation 16510 while ((type = parser.next()) == XmlPullParser.TEXT) { } 16511Slog.v(TAG, ":: stepped forward, applying functor at tag " + parser.getName()); 16512 functor.apply(parser, userId); 16513 } 16514 16515 private interface BlobXmlRestorer { 16516 public void apply(XmlPullParser parser, int userId) throws IOException, XmlPullParserException; 16517 } 16518 16519 /** 16520 * Non-Binder method, support for the backup/restore mechanism: write the 16521 * full set of preferred activities in its canonical XML format. Returns the 16522 * XML output as a byte array, or null if there is none. 16523 */ 16524 @Override 16525 public byte[] getPreferredActivityBackup(int userId) { 16526 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16527 throw new SecurityException("Only the system may call getPreferredActivityBackup()"); 16528 } 16529 16530 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 16531 try { 16532 final XmlSerializer serializer = new FastXmlSerializer(); 16533 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 16534 serializer.startDocument(null, true); 16535 serializer.startTag(null, TAG_PREFERRED_BACKUP); 16536 16537 synchronized (mPackages) { 16538 mSettings.writePreferredActivitiesLPr(serializer, userId, true); 16539 } 16540 16541 serializer.endTag(null, TAG_PREFERRED_BACKUP); 16542 serializer.endDocument(); 16543 serializer.flush(); 16544 } catch (Exception e) { 16545 if (DEBUG_BACKUP) { 16546 Slog.e(TAG, "Unable to write preferred activities for backup", e); 16547 } 16548 return null; 16549 } 16550 16551 return dataStream.toByteArray(); 16552 } 16553 16554 @Override 16555 public void restorePreferredActivities(byte[] backup, int userId) { 16556 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16557 throw new SecurityException("Only the system may call restorePreferredActivities()"); 16558 } 16559 16560 try { 16561 final XmlPullParser parser = Xml.newPullParser(); 16562 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 16563 restoreFromXml(parser, userId, TAG_PREFERRED_BACKUP, 16564 new BlobXmlRestorer() { 16565 @Override 16566 public void apply(XmlPullParser parser, int userId) 16567 throws XmlPullParserException, IOException { 16568 synchronized (mPackages) { 16569 mSettings.readPreferredActivitiesLPw(parser, userId); 16570 } 16571 } 16572 } ); 16573 } catch (Exception e) { 16574 if (DEBUG_BACKUP) { 16575 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 16576 } 16577 } 16578 } 16579 16580 /** 16581 * Non-Binder method, support for the backup/restore mechanism: write the 16582 * default browser (etc) settings in its canonical XML format. Returns the default 16583 * browser XML representation as a byte array, or null if there is none. 16584 */ 16585 @Override 16586 public byte[] getDefaultAppsBackup(int userId) { 16587 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16588 throw new SecurityException("Only the system may call getDefaultAppsBackup()"); 16589 } 16590 16591 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 16592 try { 16593 final XmlSerializer serializer = new FastXmlSerializer(); 16594 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 16595 serializer.startDocument(null, true); 16596 serializer.startTag(null, TAG_DEFAULT_APPS); 16597 16598 synchronized (mPackages) { 16599 mSettings.writeDefaultAppsLPr(serializer, userId); 16600 } 16601 16602 serializer.endTag(null, TAG_DEFAULT_APPS); 16603 serializer.endDocument(); 16604 serializer.flush(); 16605 } catch (Exception e) { 16606 if (DEBUG_BACKUP) { 16607 Slog.e(TAG, "Unable to write default apps for backup", e); 16608 } 16609 return null; 16610 } 16611 16612 return dataStream.toByteArray(); 16613 } 16614 16615 @Override 16616 public void restoreDefaultApps(byte[] backup, int userId) { 16617 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16618 throw new SecurityException("Only the system may call restoreDefaultApps()"); 16619 } 16620 16621 try { 16622 final XmlPullParser parser = Xml.newPullParser(); 16623 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 16624 restoreFromXml(parser, userId, TAG_DEFAULT_APPS, 16625 new BlobXmlRestorer() { 16626 @Override 16627 public void apply(XmlPullParser parser, int userId) 16628 throws XmlPullParserException, IOException { 16629 synchronized (mPackages) { 16630 mSettings.readDefaultAppsLPw(parser, userId); 16631 } 16632 } 16633 } ); 16634 } catch (Exception e) { 16635 if (DEBUG_BACKUP) { 16636 Slog.e(TAG, "Exception restoring default apps: " + e.getMessage()); 16637 } 16638 } 16639 } 16640 16641 @Override 16642 public byte[] getIntentFilterVerificationBackup(int userId) { 16643 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16644 throw new SecurityException("Only the system may call getIntentFilterVerificationBackup()"); 16645 } 16646 16647 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 16648 try { 16649 final XmlSerializer serializer = new FastXmlSerializer(); 16650 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 16651 serializer.startDocument(null, true); 16652 serializer.startTag(null, TAG_INTENT_FILTER_VERIFICATION); 16653 16654 synchronized (mPackages) { 16655 mSettings.writeAllDomainVerificationsLPr(serializer, userId); 16656 } 16657 16658 serializer.endTag(null, TAG_INTENT_FILTER_VERIFICATION); 16659 serializer.endDocument(); 16660 serializer.flush(); 16661 } catch (Exception e) { 16662 if (DEBUG_BACKUP) { 16663 Slog.e(TAG, "Unable to write default apps for backup", e); 16664 } 16665 return null; 16666 } 16667 16668 return dataStream.toByteArray(); 16669 } 16670 16671 @Override 16672 public void restoreIntentFilterVerification(byte[] backup, int userId) { 16673 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16674 throw new SecurityException("Only the system may call restorePreferredActivities()"); 16675 } 16676 16677 try { 16678 final XmlPullParser parser = Xml.newPullParser(); 16679 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 16680 restoreFromXml(parser, userId, TAG_INTENT_FILTER_VERIFICATION, 16681 new BlobXmlRestorer() { 16682 @Override 16683 public void apply(XmlPullParser parser, int userId) 16684 throws XmlPullParserException, IOException { 16685 synchronized (mPackages) { 16686 mSettings.readAllDomainVerificationsLPr(parser, userId); 16687 mSettings.writeLPr(); 16688 } 16689 } 16690 } ); 16691 } catch (Exception e) { 16692 if (DEBUG_BACKUP) { 16693 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 16694 } 16695 } 16696 } 16697 16698 @Override 16699 public byte[] getPermissionGrantBackup(int userId) { 16700 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16701 throw new SecurityException("Only the system may call getPermissionGrantBackup()"); 16702 } 16703 16704 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 16705 try { 16706 final XmlSerializer serializer = new FastXmlSerializer(); 16707 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 16708 serializer.startDocument(null, true); 16709 serializer.startTag(null, TAG_PERMISSION_BACKUP); 16710 16711 synchronized (mPackages) { 16712 serializeRuntimePermissionGrantsLPr(serializer, userId); 16713 } 16714 16715 serializer.endTag(null, TAG_PERMISSION_BACKUP); 16716 serializer.endDocument(); 16717 serializer.flush(); 16718 } catch (Exception e) { 16719 if (DEBUG_BACKUP) { 16720 Slog.e(TAG, "Unable to write default apps for backup", e); 16721 } 16722 return null; 16723 } 16724 16725 return dataStream.toByteArray(); 16726 } 16727 16728 @Override 16729 public void restorePermissionGrants(byte[] backup, int userId) { 16730 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16731 throw new SecurityException("Only the system may call restorePermissionGrants()"); 16732 } 16733 16734 try { 16735 final XmlPullParser parser = Xml.newPullParser(); 16736 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 16737 restoreFromXml(parser, userId, TAG_PERMISSION_BACKUP, 16738 new BlobXmlRestorer() { 16739 @Override 16740 public void apply(XmlPullParser parser, int userId) 16741 throws XmlPullParserException, IOException { 16742 synchronized (mPackages) { 16743 processRestoredPermissionGrantsLPr(parser, userId); 16744 } 16745 } 16746 } ); 16747 } catch (Exception e) { 16748 if (DEBUG_BACKUP) { 16749 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 16750 } 16751 } 16752 } 16753 16754 private void serializeRuntimePermissionGrantsLPr(XmlSerializer serializer, final int userId) 16755 throws IOException { 16756 serializer.startTag(null, TAG_ALL_GRANTS); 16757 16758 final int N = mSettings.mPackages.size(); 16759 for (int i = 0; i < N; i++) { 16760 final PackageSetting ps = mSettings.mPackages.valueAt(i); 16761 boolean pkgGrantsKnown = false; 16762 16763 PermissionsState packagePerms = ps.getPermissionsState(); 16764 16765 for (PermissionState state : packagePerms.getRuntimePermissionStates(userId)) { 16766 final int grantFlags = state.getFlags(); 16767 // only look at grants that are not system/policy fixed 16768 if ((grantFlags & SYSTEM_RUNTIME_GRANT_MASK) == 0) { 16769 final boolean isGranted = state.isGranted(); 16770 // And only back up the user-twiddled state bits 16771 if (isGranted || (grantFlags & USER_RUNTIME_GRANT_MASK) != 0) { 16772 final String packageName = mSettings.mPackages.keyAt(i); 16773 if (!pkgGrantsKnown) { 16774 serializer.startTag(null, TAG_GRANT); 16775 serializer.attribute(null, ATTR_PACKAGE_NAME, packageName); 16776 pkgGrantsKnown = true; 16777 } 16778 16779 final boolean userSet = 16780 (grantFlags & FLAG_PERMISSION_USER_SET) != 0; 16781 final boolean userFixed = 16782 (grantFlags & FLAG_PERMISSION_USER_FIXED) != 0; 16783 final boolean revoke = 16784 (grantFlags & FLAG_PERMISSION_REVOKE_ON_UPGRADE) != 0; 16785 16786 serializer.startTag(null, TAG_PERMISSION); 16787 serializer.attribute(null, ATTR_PERMISSION_NAME, state.getName()); 16788 if (isGranted) { 16789 serializer.attribute(null, ATTR_IS_GRANTED, "true"); 16790 } 16791 if (userSet) { 16792 serializer.attribute(null, ATTR_USER_SET, "true"); 16793 } 16794 if (userFixed) { 16795 serializer.attribute(null, ATTR_USER_FIXED, "true"); 16796 } 16797 if (revoke) { 16798 serializer.attribute(null, ATTR_REVOKE_ON_UPGRADE, "true"); 16799 } 16800 serializer.endTag(null, TAG_PERMISSION); 16801 } 16802 } 16803 } 16804 16805 if (pkgGrantsKnown) { 16806 serializer.endTag(null, TAG_GRANT); 16807 } 16808 } 16809 16810 serializer.endTag(null, TAG_ALL_GRANTS); 16811 } 16812 16813 private void processRestoredPermissionGrantsLPr(XmlPullParser parser, int userId) 16814 throws XmlPullParserException, IOException { 16815 String pkgName = null; 16816 int outerDepth = parser.getDepth(); 16817 int type; 16818 while ((type = parser.next()) != XmlPullParser.END_DOCUMENT 16819 && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 16820 if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 16821 continue; 16822 } 16823 16824 final String tagName = parser.getName(); 16825 if (tagName.equals(TAG_GRANT)) { 16826 pkgName = parser.getAttributeValue(null, ATTR_PACKAGE_NAME); 16827 if (DEBUG_BACKUP) { 16828 Slog.v(TAG, "+++ Restoring grants for package " + pkgName); 16829 } 16830 } else if (tagName.equals(TAG_PERMISSION)) { 16831 16832 final boolean isGranted = "true".equals(parser.getAttributeValue(null, ATTR_IS_GRANTED)); 16833 final String permName = parser.getAttributeValue(null, ATTR_PERMISSION_NAME); 16834 16835 int newFlagSet = 0; 16836 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_SET))) { 16837 newFlagSet |= FLAG_PERMISSION_USER_SET; 16838 } 16839 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_FIXED))) { 16840 newFlagSet |= FLAG_PERMISSION_USER_FIXED; 16841 } 16842 if ("true".equals(parser.getAttributeValue(null, ATTR_REVOKE_ON_UPGRADE))) { 16843 newFlagSet |= FLAG_PERMISSION_REVOKE_ON_UPGRADE; 16844 } 16845 if (DEBUG_BACKUP) { 16846 Slog.v(TAG, " + Restoring grant: pkg=" + pkgName + " perm=" + permName 16847 + " granted=" + isGranted + " bits=0x" + Integer.toHexString(newFlagSet)); 16848 } 16849 final PackageSetting ps = mSettings.mPackages.get(pkgName); 16850 if (ps != null) { 16851 // Already installed so we apply the grant immediately 16852 if (DEBUG_BACKUP) { 16853 Slog.v(TAG, " + already installed; applying"); 16854 } 16855 PermissionsState perms = ps.getPermissionsState(); 16856 BasePermission bp = mSettings.mPermissions.get(permName); 16857 if (bp != null) { 16858 if (isGranted) { 16859 perms.grantRuntimePermission(bp, userId); 16860 } 16861 if (newFlagSet != 0) { 16862 perms.updatePermissionFlags(bp, userId, USER_RUNTIME_GRANT_MASK, newFlagSet); 16863 } 16864 } 16865 } else { 16866 // Need to wait for post-restore install to apply the grant 16867 if (DEBUG_BACKUP) { 16868 Slog.v(TAG, " - not yet installed; saving for later"); 16869 } 16870 mSettings.processRestoredPermissionGrantLPr(pkgName, permName, 16871 isGranted, newFlagSet, userId); 16872 } 16873 } else { 16874 PackageManagerService.reportSettingsProblem(Log.WARN, 16875 "Unknown element under <" + TAG_PERMISSION_BACKUP + ">: " + tagName); 16876 XmlUtils.skipCurrentTag(parser); 16877 } 16878 } 16879 16880 scheduleWriteSettingsLocked(); 16881 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 16882 } 16883 16884 @Override 16885 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 16886 int sourceUserId, int targetUserId, int flags) { 16887 mContext.enforceCallingOrSelfPermission( 16888 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 16889 int callingUid = Binder.getCallingUid(); 16890 enforceOwnerRights(ownerPackage, callingUid); 16891 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 16892 if (intentFilter.countActions() == 0) { 16893 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 16894 return; 16895 } 16896 synchronized (mPackages) { 16897 CrossProfileIntentFilter newFilter = new CrossProfileIntentFilter(intentFilter, 16898 ownerPackage, targetUserId, flags); 16899 CrossProfileIntentResolver resolver = 16900 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 16901 ArrayList<CrossProfileIntentFilter> existing = resolver.findFilters(intentFilter); 16902 // We have all those whose filter is equal. Now checking if the rest is equal as well. 16903 if (existing != null) { 16904 int size = existing.size(); 16905 for (int i = 0; i < size; i++) { 16906 if (newFilter.equalsIgnoreFilter(existing.get(i))) { 16907 return; 16908 } 16909 } 16910 } 16911 resolver.addFilter(newFilter); 16912 scheduleWritePackageRestrictionsLocked(sourceUserId); 16913 } 16914 } 16915 16916 @Override 16917 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage) { 16918 mContext.enforceCallingOrSelfPermission( 16919 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 16920 int callingUid = Binder.getCallingUid(); 16921 enforceOwnerRights(ownerPackage, callingUid); 16922 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 16923 synchronized (mPackages) { 16924 CrossProfileIntentResolver resolver = 16925 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 16926 ArraySet<CrossProfileIntentFilter> set = 16927 new ArraySet<CrossProfileIntentFilter>(resolver.filterSet()); 16928 for (CrossProfileIntentFilter filter : set) { 16929 if (filter.getOwnerPackage().equals(ownerPackage)) { 16930 resolver.removeFilter(filter); 16931 } 16932 } 16933 scheduleWritePackageRestrictionsLocked(sourceUserId); 16934 } 16935 } 16936 16937 // Enforcing that callingUid is owning pkg on userId 16938 private void enforceOwnerRights(String pkg, int callingUid) { 16939 // The system owns everything. 16940 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 16941 return; 16942 } 16943 int callingUserId = UserHandle.getUserId(callingUid); 16944 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 16945 if (pi == null) { 16946 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 16947 + callingUserId); 16948 } 16949 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 16950 throw new SecurityException("Calling uid " + callingUid 16951 + " does not own package " + pkg); 16952 } 16953 } 16954 16955 @Override 16956 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 16957 return getHomeActivitiesAsUser(allHomeCandidates, UserHandle.getCallingUserId()); 16958 } 16959 16960 private Intent getHomeIntent() { 16961 Intent intent = new Intent(Intent.ACTION_MAIN); 16962 intent.addCategory(Intent.CATEGORY_HOME); 16963 return intent; 16964 } 16965 16966 private IntentFilter getHomeFilter() { 16967 IntentFilter filter = new IntentFilter(Intent.ACTION_MAIN); 16968 filter.addCategory(Intent.CATEGORY_HOME); 16969 filter.addCategory(Intent.CATEGORY_DEFAULT); 16970 return filter; 16971 } 16972 16973 ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 16974 int userId) { 16975 Intent intent = getHomeIntent(); 16976 List<ResolveInfo> list = queryIntentActivitiesInternal(intent, null, 16977 PackageManager.GET_META_DATA, userId); 16978 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 16979 true, false, false, userId); 16980 16981 allHomeCandidates.clear(); 16982 if (list != null) { 16983 for (ResolveInfo ri : list) { 16984 allHomeCandidates.add(ri); 16985 } 16986 } 16987 return (preferred == null || preferred.activityInfo == null) 16988 ? null 16989 : new ComponentName(preferred.activityInfo.packageName, 16990 preferred.activityInfo.name); 16991 } 16992 16993 @Override 16994 public void setHomeActivity(ComponentName comp, int userId) { 16995 ArrayList<ResolveInfo> homeActivities = new ArrayList<>(); 16996 getHomeActivitiesAsUser(homeActivities, userId); 16997 16998 boolean found = false; 16999 17000 final int size = homeActivities.size(); 17001 final ComponentName[] set = new ComponentName[size]; 17002 for (int i = 0; i < size; i++) { 17003 final ResolveInfo candidate = homeActivities.get(i); 17004 final ActivityInfo info = candidate.activityInfo; 17005 final ComponentName activityName = new ComponentName(info.packageName, info.name); 17006 set[i] = activityName; 17007 if (!found && activityName.equals(comp)) { 17008 found = true; 17009 } 17010 } 17011 if (!found) { 17012 throw new IllegalArgumentException("Component " + comp + " cannot be home on user " 17013 + userId); 17014 } 17015 replacePreferredActivity(getHomeFilter(), IntentFilter.MATCH_CATEGORY_EMPTY, 17016 set, comp, userId); 17017 } 17018 17019 private @Nullable String getSetupWizardPackageName() { 17020 final Intent intent = new Intent(Intent.ACTION_MAIN); 17021 intent.addCategory(Intent.CATEGORY_SETUP_WIZARD); 17022 17023 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, null, 17024 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE 17025 | MATCH_DISABLED_COMPONENTS, 17026 UserHandle.myUserId()); 17027 if (matches.size() == 1) { 17028 return matches.get(0).getComponentInfo().packageName; 17029 } else { 17030 Slog.e(TAG, "There should probably be exactly one setup wizard; found " + matches.size() 17031 + ": matches=" + matches); 17032 return null; 17033 } 17034 } 17035 17036 @Override 17037 public void setApplicationEnabledSetting(String appPackageName, 17038 int newState, int flags, int userId, String callingPackage) { 17039 if (!sUserManager.exists(userId)) return; 17040 if (callingPackage == null) { 17041 callingPackage = Integer.toString(Binder.getCallingUid()); 17042 } 17043 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 17044 } 17045 17046 @Override 17047 public void setComponentEnabledSetting(ComponentName componentName, 17048 int newState, int flags, int userId) { 17049 if (!sUserManager.exists(userId)) return; 17050 setEnabledSetting(componentName.getPackageName(), 17051 componentName.getClassName(), newState, flags, userId, null); 17052 } 17053 17054 private void setEnabledSetting(final String packageName, String className, int newState, 17055 final int flags, int userId, String callingPackage) { 17056 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 17057 || newState == COMPONENT_ENABLED_STATE_ENABLED 17058 || newState == COMPONENT_ENABLED_STATE_DISABLED 17059 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 17060 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 17061 throw new IllegalArgumentException("Invalid new component state: " 17062 + newState); 17063 } 17064 PackageSetting pkgSetting; 17065 final int uid = Binder.getCallingUid(); 17066 final int permission = mContext.checkCallingOrSelfPermission( 17067 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 17068 enforceCrossUserPermission(uid, userId, 17069 false /* requireFullPermission */, true /* checkShell */, "set enabled"); 17070 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 17071 boolean sendNow = false; 17072 boolean isApp = (className == null); 17073 String componentName = isApp ? packageName : className; 17074 int packageUid = -1; 17075 ArrayList<String> components; 17076 17077 // writer 17078 synchronized (mPackages) { 17079 pkgSetting = mSettings.mPackages.get(packageName); 17080 if (pkgSetting == null) { 17081 if (className == null) { 17082 throw new IllegalArgumentException("Unknown package: " + packageName); 17083 } 17084 throw new IllegalArgumentException( 17085 "Unknown component: " + packageName + "/" + className); 17086 } 17087 // Allow root and verify that userId is not being specified by a different user 17088 if (!allowedByPermission && !UserHandle.isSameApp(uid, pkgSetting.appId)) { 17089 throw new SecurityException( 17090 "Permission Denial: attempt to change component state from pid=" 17091 + Binder.getCallingPid() 17092 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 17093 } 17094 if (className == null) { 17095 // We're dealing with an application/package level state change 17096 if (pkgSetting.getEnabled(userId) == newState) { 17097 // Nothing to do 17098 return; 17099 } 17100 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 17101 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 17102 // Don't care about who enables an app. 17103 callingPackage = null; 17104 } 17105 pkgSetting.setEnabled(newState, userId, callingPackage); 17106 // pkgSetting.pkg.mSetEnabled = newState; 17107 } else { 17108 // We're dealing with a component level state change 17109 // First, verify that this is a valid class name. 17110 PackageParser.Package pkg = pkgSetting.pkg; 17111 if (pkg == null || !pkg.hasComponentClassName(className)) { 17112 if (pkg != null && 17113 pkg.applicationInfo.targetSdkVersion >= 17114 Build.VERSION_CODES.JELLY_BEAN) { 17115 throw new IllegalArgumentException("Component class " + className 17116 + " does not exist in " + packageName); 17117 } else { 17118 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 17119 + className + " does not exist in " + packageName); 17120 } 17121 } 17122 switch (newState) { 17123 case COMPONENT_ENABLED_STATE_ENABLED: 17124 if (!pkgSetting.enableComponentLPw(className, userId)) { 17125 return; 17126 } 17127 break; 17128 case COMPONENT_ENABLED_STATE_DISABLED: 17129 if (!pkgSetting.disableComponentLPw(className, userId)) { 17130 return; 17131 } 17132 break; 17133 case COMPONENT_ENABLED_STATE_DEFAULT: 17134 if (!pkgSetting.restoreComponentLPw(className, userId)) { 17135 return; 17136 } 17137 break; 17138 default: 17139 Slog.e(TAG, "Invalid new component state: " + newState); 17140 return; 17141 } 17142 } 17143 scheduleWritePackageRestrictionsLocked(userId); 17144 components = mPendingBroadcasts.get(userId, packageName); 17145 final boolean newPackage = components == null; 17146 if (newPackage) { 17147 components = new ArrayList<String>(); 17148 } 17149 if (!components.contains(componentName)) { 17150 components.add(componentName); 17151 } 17152 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 17153 sendNow = true; 17154 // Purge entry from pending broadcast list if another one exists already 17155 // since we are sending one right away. 17156 mPendingBroadcasts.remove(userId, packageName); 17157 } else { 17158 if (newPackage) { 17159 mPendingBroadcasts.put(userId, packageName, components); 17160 } 17161 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 17162 // Schedule a message 17163 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 17164 } 17165 } 17166 } 17167 17168 long callingId = Binder.clearCallingIdentity(); 17169 try { 17170 if (sendNow) { 17171 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 17172 sendPackageChangedBroadcast(packageName, 17173 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 17174 } 17175 } finally { 17176 Binder.restoreCallingIdentity(callingId); 17177 } 17178 } 17179 17180 @Override 17181 public void flushPackageRestrictionsAsUser(int userId) { 17182 if (!sUserManager.exists(userId)) { 17183 return; 17184 } 17185 enforceCrossUserPermission(Binder.getCallingUid(), userId, false /* requireFullPermission*/, 17186 false /* checkShell */, "flushPackageRestrictions"); 17187 synchronized (mPackages) { 17188 mSettings.writePackageRestrictionsLPr(userId); 17189 mDirtyUsers.remove(userId); 17190 if (mDirtyUsers.isEmpty()) { 17191 mHandler.removeMessages(WRITE_PACKAGE_RESTRICTIONS); 17192 } 17193 } 17194 } 17195 17196 private void sendPackageChangedBroadcast(String packageName, 17197 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 17198 if (DEBUG_INSTALL) 17199 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 17200 + componentNames); 17201 Bundle extras = new Bundle(4); 17202 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 17203 String nameList[] = new String[componentNames.size()]; 17204 componentNames.toArray(nameList); 17205 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 17206 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 17207 extras.putInt(Intent.EXTRA_UID, packageUid); 17208 // If this is not reporting a change of the overall package, then only send it 17209 // to registered receivers. We don't want to launch a swath of apps for every 17210 // little component state change. 17211 final int flags = !componentNames.contains(packageName) 17212 ? Intent.FLAG_RECEIVER_REGISTERED_ONLY : 0; 17213 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, flags, null, null, 17214 new int[] {UserHandle.getUserId(packageUid)}); 17215 } 17216 17217 @Override 17218 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 17219 if (!sUserManager.exists(userId)) return; 17220 final int uid = Binder.getCallingUid(); 17221 final int permission = mContext.checkCallingOrSelfPermission( 17222 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 17223 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 17224 enforceCrossUserPermission(uid, userId, 17225 true /* requireFullPermission */, true /* checkShell */, "stop package"); 17226 // writer 17227 synchronized (mPackages) { 17228 if (mSettings.setPackageStoppedStateLPw(this, packageName, stopped, 17229 allowedByPermission, uid, userId)) { 17230 scheduleWritePackageRestrictionsLocked(userId); 17231 } 17232 } 17233 } 17234 17235 @Override 17236 public String getInstallerPackageName(String packageName) { 17237 // reader 17238 synchronized (mPackages) { 17239 return mSettings.getInstallerPackageNameLPr(packageName); 17240 } 17241 } 17242 17243 @Override 17244 public int getApplicationEnabledSetting(String packageName, int userId) { 17245 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 17246 int uid = Binder.getCallingUid(); 17247 enforceCrossUserPermission(uid, userId, 17248 false /* requireFullPermission */, false /* checkShell */, "get enabled"); 17249 // reader 17250 synchronized (mPackages) { 17251 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 17252 } 17253 } 17254 17255 @Override 17256 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 17257 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 17258 int uid = Binder.getCallingUid(); 17259 enforceCrossUserPermission(uid, userId, 17260 false /* requireFullPermission */, false /* checkShell */, "get component enabled"); 17261 // reader 17262 synchronized (mPackages) { 17263 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 17264 } 17265 } 17266 17267 @Override 17268 public void enterSafeMode() { 17269 enforceSystemOrRoot("Only the system can request entering safe mode"); 17270 17271 if (!mSystemReady) { 17272 mSafeMode = true; 17273 } 17274 } 17275 17276 @Override 17277 public void systemReady() { 17278 mSystemReady = true; 17279 17280 // Read the compatibilty setting when the system is ready. 17281 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 17282 mContext.getContentResolver(), 17283 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 17284 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 17285 if (DEBUG_SETTINGS) { 17286 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 17287 } 17288 17289 int[] grantPermissionsUserIds = EMPTY_INT_ARRAY; 17290 17291 synchronized (mPackages) { 17292 // Verify that all of the preferred activity components actually 17293 // exist. It is possible for applications to be updated and at 17294 // that point remove a previously declared activity component that 17295 // had been set as a preferred activity. We try to clean this up 17296 // the next time we encounter that preferred activity, but it is 17297 // possible for the user flow to never be able to return to that 17298 // situation so here we do a sanity check to make sure we haven't 17299 // left any junk around. 17300 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 17301 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 17302 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 17303 removed.clear(); 17304 for (PreferredActivity pa : pir.filterSet()) { 17305 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 17306 removed.add(pa); 17307 } 17308 } 17309 if (removed.size() > 0) { 17310 for (int r=0; r<removed.size(); r++) { 17311 PreferredActivity pa = removed.get(r); 17312 Slog.w(TAG, "Removing dangling preferred activity: " 17313 + pa.mPref.mComponent); 17314 pir.removeFilter(pa); 17315 } 17316 mSettings.writePackageRestrictionsLPr( 17317 mSettings.mPreferredActivities.keyAt(i)); 17318 } 17319 } 17320 17321 for (int userId : UserManagerService.getInstance().getUserIds()) { 17322 if (!mSettings.areDefaultRuntimePermissionsGrantedLPr(userId)) { 17323 grantPermissionsUserIds = ArrayUtils.appendInt( 17324 grantPermissionsUserIds, userId); 17325 } 17326 } 17327 } 17328 sUserManager.systemReady(); 17329 17330 // If we upgraded grant all default permissions before kicking off. 17331 for (int userId : grantPermissionsUserIds) { 17332 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 17333 } 17334 17335 // Kick off any messages waiting for system ready 17336 if (mPostSystemReadyMessages != null) { 17337 for (Message msg : mPostSystemReadyMessages) { 17338 msg.sendToTarget(); 17339 } 17340 mPostSystemReadyMessages = null; 17341 } 17342 17343 // Watch for external volumes that come and go over time 17344 final StorageManager storage = mContext.getSystemService(StorageManager.class); 17345 storage.registerListener(mStorageListener); 17346 17347 mInstallerService.systemReady(); 17348 mPackageDexOptimizer.systemReady(); 17349 17350 MountServiceInternal mountServiceInternal = LocalServices.getService( 17351 MountServiceInternal.class); 17352 mountServiceInternal.addExternalStoragePolicy( 17353 new MountServiceInternal.ExternalStorageMountPolicy() { 17354 @Override 17355 public int getMountMode(int uid, String packageName) { 17356 if (Process.isIsolated(uid)) { 17357 return Zygote.MOUNT_EXTERNAL_NONE; 17358 } 17359 if (checkUidPermission(WRITE_MEDIA_STORAGE, uid) == PERMISSION_GRANTED) { 17360 return Zygote.MOUNT_EXTERNAL_DEFAULT; 17361 } 17362 if (checkUidPermission(READ_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 17363 return Zygote.MOUNT_EXTERNAL_DEFAULT; 17364 } 17365 if (checkUidPermission(WRITE_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 17366 return Zygote.MOUNT_EXTERNAL_READ; 17367 } 17368 return Zygote.MOUNT_EXTERNAL_WRITE; 17369 } 17370 17371 @Override 17372 public boolean hasExternalStorage(int uid, String packageName) { 17373 return true; 17374 } 17375 }); 17376 } 17377 17378 @Override 17379 public boolean isSafeMode() { 17380 return mSafeMode; 17381 } 17382 17383 @Override 17384 public boolean hasSystemUidErrors() { 17385 return mHasSystemUidErrors; 17386 } 17387 17388 static String arrayToString(int[] array) { 17389 StringBuffer buf = new StringBuffer(128); 17390 buf.append('['); 17391 if (array != null) { 17392 for (int i=0; i<array.length; i++) { 17393 if (i > 0) buf.append(", "); 17394 buf.append(array[i]); 17395 } 17396 } 17397 buf.append(']'); 17398 return buf.toString(); 17399 } 17400 17401 static class DumpState { 17402 public static final int DUMP_LIBS = 1 << 0; 17403 public static final int DUMP_FEATURES = 1 << 1; 17404 public static final int DUMP_ACTIVITY_RESOLVERS = 1 << 2; 17405 public static final int DUMP_SERVICE_RESOLVERS = 1 << 3; 17406 public static final int DUMP_RECEIVER_RESOLVERS = 1 << 4; 17407 public static final int DUMP_CONTENT_RESOLVERS = 1 << 5; 17408 public static final int DUMP_PERMISSIONS = 1 << 6; 17409 public static final int DUMP_PACKAGES = 1 << 7; 17410 public static final int DUMP_SHARED_USERS = 1 << 8; 17411 public static final int DUMP_MESSAGES = 1 << 9; 17412 public static final int DUMP_PROVIDERS = 1 << 10; 17413 public static final int DUMP_VERIFIERS = 1 << 11; 17414 public static final int DUMP_PREFERRED = 1 << 12; 17415 public static final int DUMP_PREFERRED_XML = 1 << 13; 17416 public static final int DUMP_KEYSETS = 1 << 14; 17417 public static final int DUMP_VERSION = 1 << 15; 17418 public static final int DUMP_INSTALLS = 1 << 16; 17419 public static final int DUMP_INTENT_FILTER_VERIFIERS = 1 << 17; 17420 public static final int DUMP_DOMAIN_PREFERRED = 1 << 18; 17421 17422 public static final int OPTION_SHOW_FILTERS = 1 << 0; 17423 17424 private int mTypes; 17425 17426 private int mOptions; 17427 17428 private boolean mTitlePrinted; 17429 17430 private SharedUserSetting mSharedUser; 17431 17432 public boolean isDumping(int type) { 17433 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 17434 return true; 17435 } 17436 17437 return (mTypes & type) != 0; 17438 } 17439 17440 public void setDump(int type) { 17441 mTypes |= type; 17442 } 17443 17444 public boolean isOptionEnabled(int option) { 17445 return (mOptions & option) != 0; 17446 } 17447 17448 public void setOptionEnabled(int option) { 17449 mOptions |= option; 17450 } 17451 17452 public boolean onTitlePrinted() { 17453 final boolean printed = mTitlePrinted; 17454 mTitlePrinted = true; 17455 return printed; 17456 } 17457 17458 public boolean getTitlePrinted() { 17459 return mTitlePrinted; 17460 } 17461 17462 public void setTitlePrinted(boolean enabled) { 17463 mTitlePrinted = enabled; 17464 } 17465 17466 public SharedUserSetting getSharedUser() { 17467 return mSharedUser; 17468 } 17469 17470 public void setSharedUser(SharedUserSetting user) { 17471 mSharedUser = user; 17472 } 17473 } 17474 17475 @Override 17476 public void onShellCommand(FileDescriptor in, FileDescriptor out, 17477 FileDescriptor err, String[] args, ResultReceiver resultReceiver) { 17478 (new PackageManagerShellCommand(this)).exec( 17479 this, in, out, err, args, resultReceiver); 17480 } 17481 17482 @Override 17483 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 17484 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 17485 != PackageManager.PERMISSION_GRANTED) { 17486 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 17487 + Binder.getCallingPid() 17488 + ", uid=" + Binder.getCallingUid() 17489 + " without permission " 17490 + android.Manifest.permission.DUMP); 17491 return; 17492 } 17493 17494 DumpState dumpState = new DumpState(); 17495 boolean fullPreferred = false; 17496 boolean checkin = false; 17497 17498 String packageName = null; 17499 ArraySet<String> permissionNames = null; 17500 17501 int opti = 0; 17502 while (opti < args.length) { 17503 String opt = args[opti]; 17504 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 17505 break; 17506 } 17507 opti++; 17508 17509 if ("-a".equals(opt)) { 17510 // Right now we only know how to print all. 17511 } else if ("-h".equals(opt)) { 17512 pw.println("Package manager dump options:"); 17513 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 17514 pw.println(" --checkin: dump for a checkin"); 17515 pw.println(" -f: print details of intent filters"); 17516 pw.println(" -h: print this help"); 17517 pw.println(" cmd may be one of:"); 17518 pw.println(" l[ibraries]: list known shared libraries"); 17519 pw.println(" f[eatures]: list device features"); 17520 pw.println(" k[eysets]: print known keysets"); 17521 pw.println(" r[esolvers] [activity|service|receiver|content]: dump intent resolvers"); 17522 pw.println(" perm[issions]: dump permissions"); 17523 pw.println(" permission [name ...]: dump declaration and use of given permission"); 17524 pw.println(" pref[erred]: print preferred package settings"); 17525 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 17526 pw.println(" prov[iders]: dump content providers"); 17527 pw.println(" p[ackages]: dump installed packages"); 17528 pw.println(" s[hared-users]: dump shared user IDs"); 17529 pw.println(" m[essages]: print collected runtime messages"); 17530 pw.println(" v[erifiers]: print package verifier info"); 17531 pw.println(" d[omain-preferred-apps]: print domains preferred apps"); 17532 pw.println(" i[ntent-filter-verifiers]|ifv: print intent filter verifier info"); 17533 pw.println(" version: print database version info"); 17534 pw.println(" write: write current settings now"); 17535 pw.println(" installs: details about install sessions"); 17536 pw.println(" check-permission <permission> <package> [<user>]: does pkg hold perm?"); 17537 pw.println(" <package.name>: info about given package"); 17538 return; 17539 } else if ("--checkin".equals(opt)) { 17540 checkin = true; 17541 } else if ("-f".equals(opt)) { 17542 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 17543 } else { 17544 pw.println("Unknown argument: " + opt + "; use -h for help"); 17545 } 17546 } 17547 17548 // Is the caller requesting to dump a particular piece of data? 17549 if (opti < args.length) { 17550 String cmd = args[opti]; 17551 opti++; 17552 // Is this a package name? 17553 if ("android".equals(cmd) || cmd.contains(".")) { 17554 packageName = cmd; 17555 // When dumping a single package, we always dump all of its 17556 // filter information since the amount of data will be reasonable. 17557 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 17558 } else if ("check-permission".equals(cmd)) { 17559 if (opti >= args.length) { 17560 pw.println("Error: check-permission missing permission argument"); 17561 return; 17562 } 17563 String perm = args[opti]; 17564 opti++; 17565 if (opti >= args.length) { 17566 pw.println("Error: check-permission missing package argument"); 17567 return; 17568 } 17569 String pkg = args[opti]; 17570 opti++; 17571 int user = UserHandle.getUserId(Binder.getCallingUid()); 17572 if (opti < args.length) { 17573 try { 17574 user = Integer.parseInt(args[opti]); 17575 } catch (NumberFormatException e) { 17576 pw.println("Error: check-permission user argument is not a number: " 17577 + args[opti]); 17578 return; 17579 } 17580 } 17581 pw.println(checkPermission(perm, pkg, user)); 17582 return; 17583 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 17584 dumpState.setDump(DumpState.DUMP_LIBS); 17585 } else if ("f".equals(cmd) || "features".equals(cmd)) { 17586 dumpState.setDump(DumpState.DUMP_FEATURES); 17587 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 17588 if (opti >= args.length) { 17589 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS 17590 | DumpState.DUMP_SERVICE_RESOLVERS 17591 | DumpState.DUMP_RECEIVER_RESOLVERS 17592 | DumpState.DUMP_CONTENT_RESOLVERS); 17593 } else { 17594 while (opti < args.length) { 17595 String name = args[opti]; 17596 if ("a".equals(name) || "activity".equals(name)) { 17597 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS); 17598 } else if ("s".equals(name) || "service".equals(name)) { 17599 dumpState.setDump(DumpState.DUMP_SERVICE_RESOLVERS); 17600 } else if ("r".equals(name) || "receiver".equals(name)) { 17601 dumpState.setDump(DumpState.DUMP_RECEIVER_RESOLVERS); 17602 } else if ("c".equals(name) || "content".equals(name)) { 17603 dumpState.setDump(DumpState.DUMP_CONTENT_RESOLVERS); 17604 } else { 17605 pw.println("Error: unknown resolver table type: " + name); 17606 return; 17607 } 17608 opti++; 17609 } 17610 } 17611 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 17612 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 17613 } else if ("permission".equals(cmd)) { 17614 if (opti >= args.length) { 17615 pw.println("Error: permission requires permission name"); 17616 return; 17617 } 17618 permissionNames = new ArraySet<>(); 17619 while (opti < args.length) { 17620 permissionNames.add(args[opti]); 17621 opti++; 17622 } 17623 dumpState.setDump(DumpState.DUMP_PERMISSIONS 17624 | DumpState.DUMP_PACKAGES | DumpState.DUMP_SHARED_USERS); 17625 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 17626 dumpState.setDump(DumpState.DUMP_PREFERRED); 17627 } else if ("preferred-xml".equals(cmd)) { 17628 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 17629 if (opti < args.length && "--full".equals(args[opti])) { 17630 fullPreferred = true; 17631 opti++; 17632 } 17633 } else if ("d".equals(cmd) || "domain-preferred-apps".equals(cmd)) { 17634 dumpState.setDump(DumpState.DUMP_DOMAIN_PREFERRED); 17635 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 17636 dumpState.setDump(DumpState.DUMP_PACKAGES); 17637 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 17638 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 17639 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 17640 dumpState.setDump(DumpState.DUMP_PROVIDERS); 17641 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 17642 dumpState.setDump(DumpState.DUMP_MESSAGES); 17643 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 17644 dumpState.setDump(DumpState.DUMP_VERIFIERS); 17645 } else if ("i".equals(cmd) || "ifv".equals(cmd) 17646 || "intent-filter-verifiers".equals(cmd)) { 17647 dumpState.setDump(DumpState.DUMP_INTENT_FILTER_VERIFIERS); 17648 } else if ("version".equals(cmd)) { 17649 dumpState.setDump(DumpState.DUMP_VERSION); 17650 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 17651 dumpState.setDump(DumpState.DUMP_KEYSETS); 17652 } else if ("installs".equals(cmd)) { 17653 dumpState.setDump(DumpState.DUMP_INSTALLS); 17654 } else if ("write".equals(cmd)) { 17655 synchronized (mPackages) { 17656 mSettings.writeLPr(); 17657 pw.println("Settings written."); 17658 return; 17659 } 17660 } 17661 } 17662 17663 if (checkin) { 17664 pw.println("vers,1"); 17665 } 17666 17667 // reader 17668 synchronized (mPackages) { 17669 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 17670 if (!checkin) { 17671 if (dumpState.onTitlePrinted()) 17672 pw.println(); 17673 pw.println("Database versions:"); 17674 mSettings.dumpVersionLPr(new IndentingPrintWriter(pw, " ")); 17675 } 17676 } 17677 17678 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 17679 if (!checkin) { 17680 if (dumpState.onTitlePrinted()) 17681 pw.println(); 17682 pw.println("Verifiers:"); 17683 pw.print(" Required: "); 17684 pw.print(mRequiredVerifierPackage); 17685 pw.print(" (uid="); 17686 pw.print(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 17687 UserHandle.USER_SYSTEM)); 17688 pw.println(")"); 17689 } else if (mRequiredVerifierPackage != null) { 17690 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 17691 pw.print(","); 17692 pw.println(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 17693 UserHandle.USER_SYSTEM)); 17694 } 17695 } 17696 17697 if (dumpState.isDumping(DumpState.DUMP_INTENT_FILTER_VERIFIERS) && 17698 packageName == null) { 17699 if (mIntentFilterVerifierComponent != null) { 17700 String verifierPackageName = mIntentFilterVerifierComponent.getPackageName(); 17701 if (!checkin) { 17702 if (dumpState.onTitlePrinted()) 17703 pw.println(); 17704 pw.println("Intent Filter Verifier:"); 17705 pw.print(" Using: "); 17706 pw.print(verifierPackageName); 17707 pw.print(" (uid="); 17708 pw.print(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 17709 UserHandle.USER_SYSTEM)); 17710 pw.println(")"); 17711 } else if (verifierPackageName != null) { 17712 pw.print("ifv,"); pw.print(verifierPackageName); 17713 pw.print(","); 17714 pw.println(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 17715 UserHandle.USER_SYSTEM)); 17716 } 17717 } else { 17718 pw.println(); 17719 pw.println("No Intent Filter Verifier available!"); 17720 } 17721 } 17722 17723 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 17724 boolean printedHeader = false; 17725 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 17726 while (it.hasNext()) { 17727 String name = it.next(); 17728 SharedLibraryEntry ent = mSharedLibraries.get(name); 17729 if (!checkin) { 17730 if (!printedHeader) { 17731 if (dumpState.onTitlePrinted()) 17732 pw.println(); 17733 pw.println("Libraries:"); 17734 printedHeader = true; 17735 } 17736 pw.print(" "); 17737 } else { 17738 pw.print("lib,"); 17739 } 17740 pw.print(name); 17741 if (!checkin) { 17742 pw.print(" -> "); 17743 } 17744 if (ent.path != null) { 17745 if (!checkin) { 17746 pw.print("(jar) "); 17747 pw.print(ent.path); 17748 } else { 17749 pw.print(",jar,"); 17750 pw.print(ent.path); 17751 } 17752 } else { 17753 if (!checkin) { 17754 pw.print("(apk) "); 17755 pw.print(ent.apk); 17756 } else { 17757 pw.print(",apk,"); 17758 pw.print(ent.apk); 17759 } 17760 } 17761 pw.println(); 17762 } 17763 } 17764 17765 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 17766 if (dumpState.onTitlePrinted()) 17767 pw.println(); 17768 if (!checkin) { 17769 pw.println("Features:"); 17770 } 17771 17772 for (FeatureInfo feat : mAvailableFeatures.values()) { 17773 if (checkin) { 17774 pw.print("feat,"); 17775 pw.print(feat.name); 17776 pw.print(","); 17777 pw.println(feat.version); 17778 } else { 17779 pw.print(" "); 17780 pw.print(feat.name); 17781 if (feat.version > 0) { 17782 pw.print(" version="); 17783 pw.print(feat.version); 17784 } 17785 pw.println(); 17786 } 17787 } 17788 } 17789 17790 if (!checkin && dumpState.isDumping(DumpState.DUMP_ACTIVITY_RESOLVERS)) { 17791 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 17792 : "Activity Resolver Table:", " ", packageName, 17793 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 17794 dumpState.setTitlePrinted(true); 17795 } 17796 } 17797 if (!checkin && dumpState.isDumping(DumpState.DUMP_RECEIVER_RESOLVERS)) { 17798 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 17799 : "Receiver Resolver Table:", " ", packageName, 17800 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 17801 dumpState.setTitlePrinted(true); 17802 } 17803 } 17804 if (!checkin && dumpState.isDumping(DumpState.DUMP_SERVICE_RESOLVERS)) { 17805 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 17806 : "Service Resolver Table:", " ", packageName, 17807 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 17808 dumpState.setTitlePrinted(true); 17809 } 17810 } 17811 if (!checkin && dumpState.isDumping(DumpState.DUMP_CONTENT_RESOLVERS)) { 17812 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 17813 : "Provider Resolver Table:", " ", packageName, 17814 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 17815 dumpState.setTitlePrinted(true); 17816 } 17817 } 17818 17819 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 17820 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 17821 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 17822 int user = mSettings.mPreferredActivities.keyAt(i); 17823 if (pir.dump(pw, 17824 dumpState.getTitlePrinted() 17825 ? "\nPreferred Activities User " + user + ":" 17826 : "Preferred Activities User " + user + ":", " ", 17827 packageName, true, false)) { 17828 dumpState.setTitlePrinted(true); 17829 } 17830 } 17831 } 17832 17833 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 17834 pw.flush(); 17835 FileOutputStream fout = new FileOutputStream(fd); 17836 BufferedOutputStream str = new BufferedOutputStream(fout); 17837 XmlSerializer serializer = new FastXmlSerializer(); 17838 try { 17839 serializer.setOutput(str, StandardCharsets.UTF_8.name()); 17840 serializer.startDocument(null, true); 17841 serializer.setFeature( 17842 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 17843 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 17844 serializer.endDocument(); 17845 serializer.flush(); 17846 } catch (IllegalArgumentException e) { 17847 pw.println("Failed writing: " + e); 17848 } catch (IllegalStateException e) { 17849 pw.println("Failed writing: " + e); 17850 } catch (IOException e) { 17851 pw.println("Failed writing: " + e); 17852 } 17853 } 17854 17855 if (!checkin 17856 && dumpState.isDumping(DumpState.DUMP_DOMAIN_PREFERRED) 17857 && packageName == null) { 17858 pw.println(); 17859 int count = mSettings.mPackages.size(); 17860 if (count == 0) { 17861 pw.println("No applications!"); 17862 pw.println(); 17863 } else { 17864 final String prefix = " "; 17865 Collection<PackageSetting> allPackageSettings = mSettings.mPackages.values(); 17866 if (allPackageSettings.size() == 0) { 17867 pw.println("No domain preferred apps!"); 17868 pw.println(); 17869 } else { 17870 pw.println("App verification status:"); 17871 pw.println(); 17872 count = 0; 17873 for (PackageSetting ps : allPackageSettings) { 17874 IntentFilterVerificationInfo ivi = ps.getIntentFilterVerificationInfo(); 17875 if (ivi == null || ivi.getPackageName() == null) continue; 17876 pw.println(prefix + "Package: " + ivi.getPackageName()); 17877 pw.println(prefix + "Domains: " + ivi.getDomainsString()); 17878 pw.println(prefix + "Status: " + ivi.getStatusString()); 17879 pw.println(); 17880 count++; 17881 } 17882 if (count == 0) { 17883 pw.println(prefix + "No app verification established."); 17884 pw.println(); 17885 } 17886 for (int userId : sUserManager.getUserIds()) { 17887 pw.println("App linkages for user " + userId + ":"); 17888 pw.println(); 17889 count = 0; 17890 for (PackageSetting ps : allPackageSettings) { 17891 final long status = ps.getDomainVerificationStatusForUser(userId); 17892 if (status >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 17893 continue; 17894 } 17895 pw.println(prefix + "Package: " + ps.name); 17896 pw.println(prefix + "Domains: " + dumpDomainString(ps.name)); 17897 String statusStr = IntentFilterVerificationInfo. 17898 getStatusStringFromValue(status); 17899 pw.println(prefix + "Status: " + statusStr); 17900 pw.println(); 17901 count++; 17902 } 17903 if (count == 0) { 17904 pw.println(prefix + "No configured app linkages."); 17905 pw.println(); 17906 } 17907 } 17908 } 17909 } 17910 } 17911 17912 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 17913 mSettings.dumpPermissionsLPr(pw, packageName, permissionNames, dumpState); 17914 if (packageName == null && permissionNames == null) { 17915 for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) { 17916 if (iperm == 0) { 17917 if (dumpState.onTitlePrinted()) 17918 pw.println(); 17919 pw.println("AppOp Permissions:"); 17920 } 17921 pw.print(" AppOp Permission "); 17922 pw.print(mAppOpPermissionPackages.keyAt(iperm)); 17923 pw.println(":"); 17924 ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm); 17925 for (int ipkg=0; ipkg<pkgs.size(); ipkg++) { 17926 pw.print(" "); pw.println(pkgs.valueAt(ipkg)); 17927 } 17928 } 17929 } 17930 } 17931 17932 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 17933 boolean printedSomething = false; 17934 for (PackageParser.Provider p : mProviders.mProviders.values()) { 17935 if (packageName != null && !packageName.equals(p.info.packageName)) { 17936 continue; 17937 } 17938 if (!printedSomething) { 17939 if (dumpState.onTitlePrinted()) 17940 pw.println(); 17941 pw.println("Registered ContentProviders:"); 17942 printedSomething = true; 17943 } 17944 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 17945 pw.print(" "); pw.println(p.toString()); 17946 } 17947 printedSomething = false; 17948 for (Map.Entry<String, PackageParser.Provider> entry : 17949 mProvidersByAuthority.entrySet()) { 17950 PackageParser.Provider p = entry.getValue(); 17951 if (packageName != null && !packageName.equals(p.info.packageName)) { 17952 continue; 17953 } 17954 if (!printedSomething) { 17955 if (dumpState.onTitlePrinted()) 17956 pw.println(); 17957 pw.println("ContentProvider Authorities:"); 17958 printedSomething = true; 17959 } 17960 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 17961 pw.print(" "); pw.println(p.toString()); 17962 if (p.info != null && p.info.applicationInfo != null) { 17963 final String appInfo = p.info.applicationInfo.toString(); 17964 pw.print(" applicationInfo="); pw.println(appInfo); 17965 } 17966 } 17967 } 17968 17969 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 17970 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 17971 } 17972 17973 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 17974 mSettings.dumpPackagesLPr(pw, packageName, permissionNames, dumpState, checkin); 17975 } 17976 17977 if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 17978 mSettings.dumpSharedUsersLPr(pw, packageName, permissionNames, dumpState, checkin); 17979 } 17980 17981 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS) && packageName == null) { 17982 mSettings.dumpRestoredPermissionGrantsLPr(pw, dumpState); 17983 } 17984 17985 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) { 17986 // XXX should handle packageName != null by dumping only install data that 17987 // the given package is involved with. 17988 if (dumpState.onTitlePrinted()) pw.println(); 17989 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 17990 } 17991 17992 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 17993 if (dumpState.onTitlePrinted()) pw.println(); 17994 mSettings.dumpReadMessagesLPr(pw, dumpState); 17995 17996 pw.println(); 17997 pw.println("Package warning messages:"); 17998 BufferedReader in = null; 17999 String line = null; 18000 try { 18001 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 18002 while ((line = in.readLine()) != null) { 18003 if (line.contains("ignored: updated version")) continue; 18004 pw.println(line); 18005 } 18006 } catch (IOException ignored) { 18007 } finally { 18008 IoUtils.closeQuietly(in); 18009 } 18010 } 18011 18012 if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) { 18013 BufferedReader in = null; 18014 String line = null; 18015 try { 18016 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 18017 while ((line = in.readLine()) != null) { 18018 if (line.contains("ignored: updated version")) continue; 18019 pw.print("msg,"); 18020 pw.println(line); 18021 } 18022 } catch (IOException ignored) { 18023 } finally { 18024 IoUtils.closeQuietly(in); 18025 } 18026 } 18027 } 18028 } 18029 18030 private String dumpDomainString(String packageName) { 18031 List<IntentFilterVerificationInfo> iviList = getIntentFilterVerifications(packageName) 18032 .getList(); 18033 List<IntentFilter> filters = getAllIntentFilters(packageName).getList(); 18034 18035 ArraySet<String> result = new ArraySet<>(); 18036 if (iviList.size() > 0) { 18037 for (IntentFilterVerificationInfo ivi : iviList) { 18038 for (String host : ivi.getDomains()) { 18039 result.add(host); 18040 } 18041 } 18042 } 18043 if (filters != null && filters.size() > 0) { 18044 for (IntentFilter filter : filters) { 18045 if (filter.hasCategory(Intent.CATEGORY_BROWSABLE) 18046 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 18047 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS))) { 18048 result.addAll(filter.getHostsList()); 18049 } 18050 } 18051 } 18052 18053 StringBuilder sb = new StringBuilder(result.size() * 16); 18054 for (String domain : result) { 18055 if (sb.length() > 0) sb.append(" "); 18056 sb.append(domain); 18057 } 18058 return sb.toString(); 18059 } 18060 18061 // ------- apps on sdcard specific code ------- 18062 static final boolean DEBUG_SD_INSTALL = false; 18063 18064 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 18065 18066 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 18067 18068 private boolean mMediaMounted = false; 18069 18070 static String getEncryptKey() { 18071 try { 18072 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 18073 SD_ENCRYPTION_KEYSTORE_NAME); 18074 if (sdEncKey == null) { 18075 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 18076 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 18077 if (sdEncKey == null) { 18078 Slog.e(TAG, "Failed to create encryption keys"); 18079 return null; 18080 } 18081 } 18082 return sdEncKey; 18083 } catch (NoSuchAlgorithmException nsae) { 18084 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 18085 return null; 18086 } catch (IOException ioe) { 18087 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 18088 return null; 18089 } 18090 } 18091 18092 /* 18093 * Update media status on PackageManager. 18094 */ 18095 @Override 18096 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 18097 int callingUid = Binder.getCallingUid(); 18098 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 18099 throw new SecurityException("Media status can only be updated by the system"); 18100 } 18101 // reader; this apparently protects mMediaMounted, but should probably 18102 // be a different lock in that case. 18103 synchronized (mPackages) { 18104 Log.i(TAG, "Updating external media status from " 18105 + (mMediaMounted ? "mounted" : "unmounted") + " to " 18106 + (mediaStatus ? "mounted" : "unmounted")); 18107 if (DEBUG_SD_INSTALL) 18108 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 18109 + ", mMediaMounted=" + mMediaMounted); 18110 if (mediaStatus == mMediaMounted) { 18111 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 18112 : 0, -1); 18113 mHandler.sendMessage(msg); 18114 return; 18115 } 18116 mMediaMounted = mediaStatus; 18117 } 18118 // Queue up an async operation since the package installation may take a 18119 // little while. 18120 mHandler.post(new Runnable() { 18121 public void run() { 18122 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 18123 } 18124 }); 18125 } 18126 18127 /** 18128 * Called by MountService when the initial ASECs to scan are available. 18129 * Should block until all the ASEC containers are finished being scanned. 18130 */ 18131 public void scanAvailableAsecs() { 18132 updateExternalMediaStatusInner(true, false, false); 18133 } 18134 18135 /* 18136 * Collect information of applications on external media, map them against 18137 * existing containers and update information based on current mount status. 18138 * Please note that we always have to report status if reportStatus has been 18139 * set to true especially when unloading packages. 18140 */ 18141 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 18142 boolean externalStorage) { 18143 ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>(); 18144 int[] uidArr = EmptyArray.INT; 18145 18146 final String[] list = PackageHelper.getSecureContainerList(); 18147 if (ArrayUtils.isEmpty(list)) { 18148 Log.i(TAG, "No secure containers found"); 18149 } else { 18150 // Process list of secure containers and categorize them 18151 // as active or stale based on their package internal state. 18152 18153 // reader 18154 synchronized (mPackages) { 18155 for (String cid : list) { 18156 // Leave stages untouched for now; installer service owns them 18157 if (PackageInstallerService.isStageName(cid)) continue; 18158 18159 if (DEBUG_SD_INSTALL) 18160 Log.i(TAG, "Processing container " + cid); 18161 String pkgName = getAsecPackageName(cid); 18162 if (pkgName == null) { 18163 Slog.i(TAG, "Found stale container " + cid + " with no package name"); 18164 continue; 18165 } 18166 if (DEBUG_SD_INSTALL) 18167 Log.i(TAG, "Looking for pkg : " + pkgName); 18168 18169 final PackageSetting ps = mSettings.mPackages.get(pkgName); 18170 if (ps == null) { 18171 Slog.i(TAG, "Found stale container " + cid + " with no matching settings"); 18172 continue; 18173 } 18174 18175 /* 18176 * Skip packages that are not external if we're unmounting 18177 * external storage. 18178 */ 18179 if (externalStorage && !isMounted && !isExternal(ps)) { 18180 continue; 18181 } 18182 18183 final AsecInstallArgs args = new AsecInstallArgs(cid, 18184 getAppDexInstructionSets(ps), ps.isForwardLocked()); 18185 // The package status is changed only if the code path 18186 // matches between settings and the container id. 18187 if (ps.codePathString != null 18188 && ps.codePathString.startsWith(args.getCodePath())) { 18189 if (DEBUG_SD_INSTALL) { 18190 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 18191 + " at code path: " + ps.codePathString); 18192 } 18193 18194 // We do have a valid package installed on sdcard 18195 processCids.put(args, ps.codePathString); 18196 final int uid = ps.appId; 18197 if (uid != -1) { 18198 uidArr = ArrayUtils.appendInt(uidArr, uid); 18199 } 18200 } else { 18201 Slog.i(TAG, "Found stale container " + cid + ": expected codePath=" 18202 + ps.codePathString); 18203 } 18204 } 18205 } 18206 18207 Arrays.sort(uidArr); 18208 } 18209 18210 // Process packages with valid entries. 18211 if (isMounted) { 18212 if (DEBUG_SD_INSTALL) 18213 Log.i(TAG, "Loading packages"); 18214 loadMediaPackages(processCids, uidArr, externalStorage); 18215 startCleaningPackages(); 18216 mInstallerService.onSecureContainersAvailable(); 18217 } else { 18218 if (DEBUG_SD_INSTALL) 18219 Log.i(TAG, "Unloading packages"); 18220 unloadMediaPackages(processCids, uidArr, reportStatus); 18221 } 18222 } 18223 18224 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 18225 ArrayList<ApplicationInfo> infos, IIntentReceiver finishedReceiver) { 18226 final int size = infos.size(); 18227 final String[] packageNames = new String[size]; 18228 final int[] packageUids = new int[size]; 18229 for (int i = 0; i < size; i++) { 18230 final ApplicationInfo info = infos.get(i); 18231 packageNames[i] = info.packageName; 18232 packageUids[i] = info.uid; 18233 } 18234 sendResourcesChangedBroadcast(mediaStatus, replacing, packageNames, packageUids, 18235 finishedReceiver); 18236 } 18237 18238 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 18239 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 18240 sendResourcesChangedBroadcast(mediaStatus, replacing, 18241 pkgList.toArray(new String[pkgList.size()]), uidArr, finishedReceiver); 18242 } 18243 18244 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 18245 String[] pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 18246 int size = pkgList.length; 18247 if (size > 0) { 18248 // Send broadcasts here 18249 Bundle extras = new Bundle(); 18250 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 18251 if (uidArr != null) { 18252 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 18253 } 18254 if (replacing) { 18255 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 18256 } 18257 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 18258 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 18259 sendPackageBroadcast(action, null, extras, 0, null, finishedReceiver, null); 18260 } 18261 } 18262 18263 /* 18264 * Look at potentially valid container ids from processCids If package 18265 * information doesn't match the one on record or package scanning fails, 18266 * the cid is added to list of removeCids. We currently don't delete stale 18267 * containers. 18268 */ 18269 private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr, 18270 boolean externalStorage) { 18271 ArrayList<String> pkgList = new ArrayList<String>(); 18272 Set<AsecInstallArgs> keys = processCids.keySet(); 18273 18274 for (AsecInstallArgs args : keys) { 18275 String codePath = processCids.get(args); 18276 if (DEBUG_SD_INSTALL) 18277 Log.i(TAG, "Loading container : " + args.cid); 18278 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 18279 try { 18280 // Make sure there are no container errors first. 18281 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 18282 Slog.e(TAG, "Failed to mount cid : " + args.cid 18283 + " when installing from sdcard"); 18284 continue; 18285 } 18286 // Check code path here. 18287 if (codePath == null || !codePath.startsWith(args.getCodePath())) { 18288 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 18289 + " does not match one in settings " + codePath); 18290 continue; 18291 } 18292 // Parse package 18293 int parseFlags = mDefParseFlags; 18294 if (args.isExternalAsec()) { 18295 parseFlags |= PackageParser.PARSE_EXTERNAL_STORAGE; 18296 } 18297 if (args.isFwdLocked()) { 18298 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 18299 } 18300 18301 synchronized (mInstallLock) { 18302 PackageParser.Package pkg = null; 18303 try { 18304 pkg = scanPackageTracedLI(new File(codePath), parseFlags, 0, 0, null); 18305 } catch (PackageManagerException e) { 18306 Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage()); 18307 } 18308 // Scan the package 18309 if (pkg != null) { 18310 /* 18311 * TODO why is the lock being held? doPostInstall is 18312 * called in other places without the lock. This needs 18313 * to be straightened out. 18314 */ 18315 // writer 18316 synchronized (mPackages) { 18317 retCode = PackageManager.INSTALL_SUCCEEDED; 18318 pkgList.add(pkg.packageName); 18319 // Post process args 18320 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 18321 pkg.applicationInfo.uid); 18322 } 18323 } else { 18324 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 18325 } 18326 } 18327 18328 } finally { 18329 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 18330 Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode); 18331 } 18332 } 18333 } 18334 // writer 18335 synchronized (mPackages) { 18336 // If the platform SDK has changed since the last time we booted, 18337 // we need to re-grant app permission to catch any new ones that 18338 // appear. This is really a hack, and means that apps can in some 18339 // cases get permissions that the user didn't initially explicitly 18340 // allow... it would be nice to have some better way to handle 18341 // this situation. 18342 final VersionInfo ver = externalStorage ? mSettings.getExternalVersion() 18343 : mSettings.getInternalVersion(); 18344 final String volumeUuid = externalStorage ? StorageManager.UUID_PRIMARY_PHYSICAL 18345 : StorageManager.UUID_PRIVATE_INTERNAL; 18346 18347 int updateFlags = UPDATE_PERMISSIONS_ALL; 18348 if (ver.sdkVersion != mSdkVersion) { 18349 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 18350 + mSdkVersion + "; regranting permissions for external"); 18351 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 18352 } 18353 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 18354 18355 // Yay, everything is now upgraded 18356 ver.forceCurrent(); 18357 18358 // can downgrade to reader 18359 // Persist settings 18360 mSettings.writeLPr(); 18361 } 18362 // Send a broadcast to let everyone know we are done processing 18363 if (pkgList.size() > 0) { 18364 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 18365 } 18366 } 18367 18368 /* 18369 * Utility method to unload a list of specified containers 18370 */ 18371 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 18372 // Just unmount all valid containers. 18373 for (AsecInstallArgs arg : cidArgs) { 18374 synchronized (mInstallLock) { 18375 arg.doPostDeleteLI(false); 18376 } 18377 } 18378 } 18379 18380 /* 18381 * Unload packages mounted on external media. This involves deleting package 18382 * data from internal structures, sending broadcasts about disabled packages, 18383 * gc'ing to free up references, unmounting all secure containers 18384 * corresponding to packages on external media, and posting a 18385 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 18386 * that we always have to post this message if status has been requested no 18387 * matter what. 18388 */ 18389 private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[], 18390 final boolean reportStatus) { 18391 if (DEBUG_SD_INSTALL) 18392 Log.i(TAG, "unloading media packages"); 18393 ArrayList<String> pkgList = new ArrayList<String>(); 18394 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 18395 final Set<AsecInstallArgs> keys = processCids.keySet(); 18396 for (AsecInstallArgs args : keys) { 18397 String pkgName = args.getPackageName(); 18398 if (DEBUG_SD_INSTALL) 18399 Log.i(TAG, "Trying to unload pkg : " + pkgName); 18400 // Delete package internally 18401 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 18402 synchronized (mInstallLock) { 18403 boolean res = deletePackageLI(pkgName, null, false, null, 18404 PackageManager.DELETE_KEEP_DATA, outInfo, false, null); 18405 if (res) { 18406 pkgList.add(pkgName); 18407 } else { 18408 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 18409 failedList.add(args); 18410 } 18411 } 18412 } 18413 18414 // reader 18415 synchronized (mPackages) { 18416 // We didn't update the settings after removing each package; 18417 // write them now for all packages. 18418 mSettings.writeLPr(); 18419 } 18420 18421 // We have to absolutely send UPDATED_MEDIA_STATUS only 18422 // after confirming that all the receivers processed the ordered 18423 // broadcast when packages get disabled, force a gc to clean things up. 18424 // and unload all the containers. 18425 if (pkgList.size() > 0) { 18426 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 18427 new IIntentReceiver.Stub() { 18428 public void performReceive(Intent intent, int resultCode, String data, 18429 Bundle extras, boolean ordered, boolean sticky, 18430 int sendingUser) throws RemoteException { 18431 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 18432 reportStatus ? 1 : 0, 1, keys); 18433 mHandler.sendMessage(msg); 18434 } 18435 }); 18436 } else { 18437 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 18438 keys); 18439 mHandler.sendMessage(msg); 18440 } 18441 } 18442 18443 private void loadPrivatePackages(final VolumeInfo vol) { 18444 mHandler.post(new Runnable() { 18445 @Override 18446 public void run() { 18447 loadPrivatePackagesInner(vol); 18448 } 18449 }); 18450 } 18451 18452 private void loadPrivatePackagesInner(VolumeInfo vol) { 18453 final String volumeUuid = vol.fsUuid; 18454 if (TextUtils.isEmpty(volumeUuid)) { 18455 Slog.e(TAG, "Loading internal storage is probably a mistake; ignoring"); 18456 return; 18457 } 18458 18459 final ArrayList<ApplicationInfo> loaded = new ArrayList<>(); 18460 final int parseFlags = mDefParseFlags | PackageParser.PARSE_EXTERNAL_STORAGE; 18461 18462 final VersionInfo ver; 18463 final List<PackageSetting> packages; 18464 synchronized (mPackages) { 18465 ver = mSettings.findOrCreateVersion(volumeUuid); 18466 packages = mSettings.getVolumePackagesLPr(volumeUuid); 18467 } 18468 18469 // TODO: introduce a new concept similar to "frozen" to prevent these 18470 // apps from being launched until after data has been fully reconciled 18471 for (PackageSetting ps : packages) { 18472 synchronized (mInstallLock) { 18473 final PackageParser.Package pkg; 18474 try { 18475 pkg = scanPackageTracedLI(ps.codePath, parseFlags, SCAN_INITIAL, 0, null); 18476 loaded.add(pkg.applicationInfo); 18477 18478 } catch (PackageManagerException e) { 18479 Slog.w(TAG, "Failed to scan " + ps.codePath + ": " + e.getMessage()); 18480 } 18481 18482 if (!Build.FINGERPRINT.equals(ver.fingerprint)) { 18483 deleteCodeCacheDirsLI(ps.volumeUuid, ps.name); 18484 } 18485 } 18486 } 18487 18488 // Reconcile app data for all started/unlocked users 18489 final StorageManager sm = mContext.getSystemService(StorageManager.class); 18490 final UserManager um = mContext.getSystemService(UserManager.class); 18491 for (UserInfo user : um.getUsers()) { 18492 final int flags; 18493 if (um.isUserUnlocked(user.id)) { 18494 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 18495 } else if (um.isUserRunning(user.id)) { 18496 flags = StorageManager.FLAG_STORAGE_DE; 18497 } else { 18498 continue; 18499 } 18500 18501 sm.prepareUserStorage(volumeUuid, user.id, user.serialNumber, flags); 18502 reconcileAppsData(volumeUuid, user.id, flags); 18503 } 18504 18505 synchronized (mPackages) { 18506 int updateFlags = UPDATE_PERMISSIONS_ALL; 18507 if (ver.sdkVersion != mSdkVersion) { 18508 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 18509 + mSdkVersion + "; regranting permissions for " + volumeUuid); 18510 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 18511 } 18512 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 18513 18514 // Yay, everything is now upgraded 18515 ver.forceCurrent(); 18516 18517 mSettings.writeLPr(); 18518 } 18519 18520 if (DEBUG_INSTALL) Slog.d(TAG, "Loaded packages " + loaded); 18521 sendResourcesChangedBroadcast(true, false, loaded, null); 18522 } 18523 18524 private void unloadPrivatePackages(final VolumeInfo vol) { 18525 mHandler.post(new Runnable() { 18526 @Override 18527 public void run() { 18528 unloadPrivatePackagesInner(vol); 18529 } 18530 }); 18531 } 18532 18533 private void unloadPrivatePackagesInner(VolumeInfo vol) { 18534 final String volumeUuid = vol.fsUuid; 18535 if (TextUtils.isEmpty(volumeUuid)) { 18536 Slog.e(TAG, "Unloading internal storage is probably a mistake; ignoring"); 18537 return; 18538 } 18539 18540 final ArrayList<ApplicationInfo> unloaded = new ArrayList<>(); 18541 synchronized (mInstallLock) { 18542 synchronized (mPackages) { 18543 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(volumeUuid); 18544 for (PackageSetting ps : packages) { 18545 if (ps.pkg == null) continue; 18546 18547 final ApplicationInfo info = ps.pkg.applicationInfo; 18548 final PackageRemovedInfo outInfo = new PackageRemovedInfo(); 18549 if (deletePackageLI(ps.name, null, false, null, 18550 PackageManager.DELETE_KEEP_DATA, outInfo, false, null)) { 18551 unloaded.add(info); 18552 } else { 18553 Slog.w(TAG, "Failed to unload " + ps.codePath); 18554 } 18555 } 18556 18557 mSettings.writeLPr(); 18558 } 18559 } 18560 18561 if (DEBUG_INSTALL) Slog.d(TAG, "Unloaded packages " + unloaded); 18562 sendResourcesChangedBroadcast(false, false, unloaded, null); 18563 } 18564 18565 /** 18566 * Examine all users present on given mounted volume, and destroy data 18567 * belonging to users that are no longer valid, or whose user ID has been 18568 * recycled. 18569 */ 18570 private void reconcileUsers(String volumeUuid) { 18571 // TODO: also reconcile DE directories 18572 final File[] files = FileUtils 18573 .listFilesOrEmpty(Environment.getDataUserCeDirectory(volumeUuid)); 18574 for (File file : files) { 18575 if (!file.isDirectory()) continue; 18576 18577 final int userId; 18578 final UserInfo info; 18579 try { 18580 userId = Integer.parseInt(file.getName()); 18581 info = sUserManager.getUserInfo(userId); 18582 } catch (NumberFormatException e) { 18583 Slog.w(TAG, "Invalid user directory " + file); 18584 continue; 18585 } 18586 18587 boolean destroyUser = false; 18588 if (info == null) { 18589 logCriticalInfo(Log.WARN, "Destroying user directory " + file 18590 + " because no matching user was found"); 18591 destroyUser = true; 18592 } else { 18593 try { 18594 UserManagerService.enforceSerialNumber(file, info.serialNumber); 18595 } catch (IOException e) { 18596 logCriticalInfo(Log.WARN, "Destroying user directory " + file 18597 + " because we failed to enforce serial number: " + e); 18598 destroyUser = true; 18599 } 18600 } 18601 18602 if (destroyUser) { 18603 synchronized (mInstallLock) { 18604 try { 18605 mInstaller.removeUserDataDirs(volumeUuid, userId); 18606 } catch (InstallerException e) { 18607 Slog.w(TAG, "Failed to clean up user dirs", e); 18608 } 18609 } 18610 } 18611 } 18612 } 18613 18614 private void assertPackageKnown(String volumeUuid, String packageName) 18615 throws PackageManagerException { 18616 synchronized (mPackages) { 18617 final PackageSetting ps = mSettings.mPackages.get(packageName); 18618 if (ps == null) { 18619 throw new PackageManagerException("Package " + packageName + " is unknown"); 18620 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 18621 throw new PackageManagerException( 18622 "Package " + packageName + " found on unknown volume " + volumeUuid 18623 + "; expected volume " + ps.volumeUuid); 18624 } 18625 } 18626 } 18627 18628 private void assertPackageKnownAndInstalled(String volumeUuid, String packageName, int userId) 18629 throws PackageManagerException { 18630 synchronized (mPackages) { 18631 final PackageSetting ps = mSettings.mPackages.get(packageName); 18632 if (ps == null) { 18633 throw new PackageManagerException("Package " + packageName + " is unknown"); 18634 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 18635 throw new PackageManagerException( 18636 "Package " + packageName + " found on unknown volume " + volumeUuid 18637 + "; expected volume " + ps.volumeUuid); 18638 } else if (!ps.getInstalled(userId)) { 18639 throw new PackageManagerException( 18640 "Package " + packageName + " not installed for user " + userId); 18641 } 18642 } 18643 } 18644 18645 /** 18646 * Examine all apps present on given mounted volume, and destroy apps that 18647 * aren't expected, either due to uninstallation or reinstallation on 18648 * another volume. 18649 */ 18650 private void reconcileApps(String volumeUuid) { 18651 final File[] files = FileUtils 18652 .listFilesOrEmpty(Environment.getDataAppDirectory(volumeUuid)); 18653 for (File file : files) { 18654 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 18655 && !PackageInstallerService.isStageName(file.getName()); 18656 if (!isPackage) { 18657 // Ignore entries which are not packages 18658 continue; 18659 } 18660 18661 try { 18662 final PackageLite pkg = PackageParser.parsePackageLite(file, 18663 PackageParser.PARSE_MUST_BE_APK); 18664 assertPackageKnown(volumeUuid, pkg.packageName); 18665 18666 } catch (PackageParserException | PackageManagerException e) { 18667 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 18668 synchronized (mInstallLock) { 18669 removeCodePathLI(file); 18670 } 18671 } 18672 } 18673 } 18674 18675 /** 18676 * Reconcile all app data for the given user. 18677 * <p> 18678 * Verifies that directories exist and that ownership and labeling is 18679 * correct for all installed apps on all mounted volumes. 18680 */ 18681 void reconcileAppsData(int userId, int flags) { 18682 final StorageManager storage = mContext.getSystemService(StorageManager.class); 18683 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 18684 final String volumeUuid = vol.getFsUuid(); 18685 reconcileAppsData(volumeUuid, userId, flags); 18686 } 18687 } 18688 18689 /** 18690 * Reconcile all app data on given mounted volume. 18691 * <p> 18692 * Destroys app data that isn't expected, either due to uninstallation or 18693 * reinstallation on another volume. 18694 * <p> 18695 * Verifies that directories exist and that ownership and labeling is 18696 * correct for all installed apps. 18697 */ 18698 private void reconcileAppsData(String volumeUuid, int userId, int flags) { 18699 Slog.v(TAG, "reconcileAppsData for " + volumeUuid + " u" + userId + " 0x" 18700 + Integer.toHexString(flags)); 18701 18702 final File ceDir = Environment.getDataUserCeDirectory(volumeUuid, userId); 18703 final File deDir = Environment.getDataUserDeDirectory(volumeUuid, userId); 18704 18705 boolean restoreconNeeded = false; 18706 18707 // First look for stale data that doesn't belong, and check if things 18708 // have changed since we did our last restorecon 18709 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 18710 if (!isUserKeyUnlocked(userId)) { 18711 throw new RuntimeException( 18712 "Yikes, someone asked us to reconcile CE storage while " + userId 18713 + " was still locked; this would have caused massive data loss!"); 18714 } 18715 18716 restoreconNeeded |= SELinuxMMAC.isRestoreconNeeded(ceDir); 18717 18718 final File[] files = FileUtils.listFilesOrEmpty(ceDir); 18719 for (File file : files) { 18720 final String packageName = file.getName(); 18721 try { 18722 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 18723 } catch (PackageManagerException e) { 18724 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 18725 synchronized (mInstallLock) { 18726 destroyAppDataLI(volumeUuid, packageName, userId, 18727 StorageManager.FLAG_STORAGE_CE); 18728 } 18729 } 18730 } 18731 } 18732 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 18733 restoreconNeeded |= SELinuxMMAC.isRestoreconNeeded(deDir); 18734 18735 final File[] files = FileUtils.listFilesOrEmpty(deDir); 18736 for (File file : files) { 18737 final String packageName = file.getName(); 18738 try { 18739 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 18740 } catch (PackageManagerException e) { 18741 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 18742 synchronized (mInstallLock) { 18743 destroyAppDataLI(volumeUuid, packageName, userId, 18744 StorageManager.FLAG_STORAGE_DE); 18745 } 18746 } 18747 } 18748 } 18749 18750 // Ensure that data directories are ready to roll for all packages 18751 // installed for this volume and user 18752 final List<PackageSetting> packages; 18753 synchronized (mPackages) { 18754 packages = mSettings.getVolumePackagesLPr(volumeUuid); 18755 } 18756 int preparedCount = 0; 18757 for (PackageSetting ps : packages) { 18758 final String packageName = ps.name; 18759 if (ps.pkg == null) { 18760 Slog.w(TAG, "Odd, missing scanned package " + packageName); 18761 // TODO: might be due to legacy ASEC apps; we should circle back 18762 // and reconcile again once they're scanned 18763 continue; 18764 } 18765 18766 if (ps.getInstalled(userId)) { 18767 prepareAppData(volumeUuid, userId, flags, ps.pkg, restoreconNeeded); 18768 18769 if (maybeMigrateAppData(volumeUuid, userId, ps.pkg)) { 18770 // We may have just shuffled around app data directories, so 18771 // prepare them one more time 18772 prepareAppData(volumeUuid, userId, flags, ps.pkg, restoreconNeeded); 18773 } 18774 18775 preparedCount++; 18776 } 18777 } 18778 18779 if (restoreconNeeded) { 18780 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 18781 SELinuxMMAC.setRestoreconDone(ceDir); 18782 } 18783 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 18784 SELinuxMMAC.setRestoreconDone(deDir); 18785 } 18786 } 18787 18788 Slog.v(TAG, "reconcileAppsData finished " + preparedCount 18789 + " packages; restoreconNeeded was " + restoreconNeeded); 18790 } 18791 18792 /** 18793 * Prepare app data for the given app just after it was installed or 18794 * upgraded. This method carefully only touches users that it's installed 18795 * for, and it forces a restorecon to handle any seinfo changes. 18796 * <p> 18797 * Verifies that directories exist and that ownership and labeling is 18798 * correct for all installed apps. If there is an ownership mismatch, it 18799 * will try recovering system apps by wiping data; third-party app data is 18800 * left intact. 18801 * <p> 18802 * <em>Note: To avoid a deadlock, do not call this method with {@code mPackages} lock held</em> 18803 */ 18804 private void prepareAppDataAfterInstall(PackageParser.Package pkg) { 18805 prepareAppDataAfterInstallInternal(pkg); 18806 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 18807 for (int i = 0; i < childCount; i++) { 18808 PackageParser.Package childPackage = pkg.childPackages.get(i); 18809 prepareAppDataAfterInstallInternal(childPackage); 18810 } 18811 } 18812 18813 private void prepareAppDataAfterInstallInternal(PackageParser.Package pkg) { 18814 final PackageSetting ps; 18815 synchronized (mPackages) { 18816 ps = mSettings.mPackages.get(pkg.packageName); 18817 mSettings.writeKernelMappingLPr(ps); 18818 } 18819 18820 final UserManager um = mContext.getSystemService(UserManager.class); 18821 for (UserInfo user : um.getUsers()) { 18822 final int flags; 18823 if (um.isUserUnlocked(user.id)) { 18824 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 18825 } else if (um.isUserRunning(user.id)) { 18826 flags = StorageManager.FLAG_STORAGE_DE; 18827 } else { 18828 continue; 18829 } 18830 18831 if (ps.getInstalled(user.id)) { 18832 // Whenever an app changes, force a restorecon of its data 18833 // TODO: when user data is locked, mark that we're still dirty 18834 prepareAppData(pkg.volumeUuid, user.id, flags, pkg, true); 18835 } 18836 } 18837 } 18838 18839 /** 18840 * Prepare app data for the given app. 18841 * <p> 18842 * Verifies that directories exist and that ownership and labeling is 18843 * correct for all installed apps. If there is an ownership mismatch, this 18844 * will try recovering system apps by wiping data; third-party app data is 18845 * left intact. 18846 */ 18847 private void prepareAppData(String volumeUuid, int userId, int flags, 18848 PackageParser.Package pkg, boolean restoreconNeeded) { 18849 if (DEBUG_APP_DATA) { 18850 Slog.v(TAG, "prepareAppData for " + pkg.packageName + " u" + userId + " 0x" 18851 + Integer.toHexString(flags) + (restoreconNeeded ? " restoreconNeeded" : "")); 18852 } 18853 18854 final String packageName = pkg.packageName; 18855 final ApplicationInfo app = pkg.applicationInfo; 18856 final int appId = UserHandle.getAppId(app.uid); 18857 18858 Preconditions.checkNotNull(app.seinfo); 18859 18860 synchronized (mInstallLock) { 18861 try { 18862 mInstaller.createAppData(volumeUuid, packageName, userId, flags, 18863 appId, app.seinfo, app.targetSdkVersion); 18864 } catch (InstallerException e) { 18865 if (app.isSystemApp()) { 18866 logCriticalInfo(Log.ERROR, "Failed to create app data for " + packageName 18867 + ", but trying to recover: " + e); 18868 destroyAppDataLI(volumeUuid, packageName, userId, flags); 18869 try { 18870 mInstaller.createAppData(volumeUuid, packageName, userId, flags, 18871 appId, app.seinfo, app.targetSdkVersion); 18872 logCriticalInfo(Log.DEBUG, "Recovery succeeded!"); 18873 } catch (InstallerException e2) { 18874 logCriticalInfo(Log.DEBUG, "Recovery failed!"); 18875 } 18876 } else { 18877 Slog.e(TAG, "Failed to create app data for " + packageName + ": " + e); 18878 } 18879 } 18880 18881 if (restoreconNeeded) { 18882 restoreconAppDataLI(volumeUuid, packageName, userId, flags, appId, app.seinfo); 18883 } 18884 18885 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 18886 // Create a native library symlink only if we have native libraries 18887 // and if the native libraries are 32 bit libraries. We do not provide 18888 // this symlink for 64 bit libraries. 18889 if (app.primaryCpuAbi != null && !VMRuntime.is64BitAbi(app.primaryCpuAbi)) { 18890 final String nativeLibPath = app.nativeLibraryDir; 18891 try { 18892 mInstaller.linkNativeLibraryDirectory(volumeUuid, packageName, 18893 nativeLibPath, userId); 18894 } catch (InstallerException e) { 18895 Slog.e(TAG, "Failed to link native for " + packageName + ": " + e); 18896 } 18897 } 18898 } 18899 } 18900 } 18901 18902 /** 18903 * For system apps on non-FBE devices, this method migrates any existing 18904 * CE/DE data to match the {@code defaultToDeviceProtectedStorage} flag 18905 * requested by the app. 18906 */ 18907 private boolean maybeMigrateAppData(String volumeUuid, int userId, PackageParser.Package pkg) { 18908 if (pkg.isSystemApp() && !StorageManager.isFileEncryptedNativeOrEmulated() 18909 && PackageManager.APPLY_DEFAULT_TO_DEVICE_PROTECTED_STORAGE) { 18910 final int storageTarget = pkg.applicationInfo.isDefaultToDeviceProtectedStorage() 18911 ? StorageManager.FLAG_STORAGE_DE : StorageManager.FLAG_STORAGE_CE; 18912 synchronized (mInstallLock) { 18913 try { 18914 mInstaller.migrateAppData(volumeUuid, pkg.packageName, userId, storageTarget); 18915 } catch (InstallerException e) { 18916 logCriticalInfo(Log.WARN, 18917 "Failed to migrate " + pkg.packageName + ": " + e.getMessage()); 18918 } 18919 } 18920 return true; 18921 } else { 18922 return false; 18923 } 18924 } 18925 18926 private void unfreezePackage(String packageName) { 18927 synchronized (mPackages) { 18928 final PackageSetting ps = mSettings.mPackages.get(packageName); 18929 if (ps != null) { 18930 ps.frozen = false; 18931 } 18932 } 18933 } 18934 18935 @Override 18936 public int movePackage(final String packageName, final String volumeUuid) { 18937 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 18938 18939 final int moveId = mNextMoveId.getAndIncrement(); 18940 mHandler.post(new Runnable() { 18941 @Override 18942 public void run() { 18943 try { 18944 movePackageInternal(packageName, volumeUuid, moveId); 18945 } catch (PackageManagerException e) { 18946 Slog.w(TAG, "Failed to move " + packageName, e); 18947 mMoveCallbacks.notifyStatusChanged(moveId, 18948 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 18949 } 18950 } 18951 }); 18952 return moveId; 18953 } 18954 18955 private void movePackageInternal(final String packageName, final String volumeUuid, 18956 final int moveId) throws PackageManagerException { 18957 final UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 18958 final StorageManager storage = mContext.getSystemService(StorageManager.class); 18959 final PackageManager pm = mContext.getPackageManager(); 18960 18961 final boolean currentAsec; 18962 final String currentVolumeUuid; 18963 final File codeFile; 18964 final String installerPackageName; 18965 final String packageAbiOverride; 18966 final int appId; 18967 final String seinfo; 18968 final String label; 18969 final int targetSdkVersion; 18970 18971 // reader 18972 synchronized (mPackages) { 18973 final PackageParser.Package pkg = mPackages.get(packageName); 18974 final PackageSetting ps = mSettings.mPackages.get(packageName); 18975 if (pkg == null || ps == null) { 18976 throw new PackageManagerException(MOVE_FAILED_DOESNT_EXIST, "Missing package"); 18977 } 18978 18979 if (pkg.applicationInfo.isSystemApp()) { 18980 throw new PackageManagerException(MOVE_FAILED_SYSTEM_PACKAGE, 18981 "Cannot move system application"); 18982 } 18983 18984 if (pkg.applicationInfo.isExternalAsec()) { 18985 currentAsec = true; 18986 currentVolumeUuid = StorageManager.UUID_PRIMARY_PHYSICAL; 18987 } else if (pkg.applicationInfo.isForwardLocked()) { 18988 currentAsec = true; 18989 currentVolumeUuid = "forward_locked"; 18990 } else { 18991 currentAsec = false; 18992 currentVolumeUuid = ps.volumeUuid; 18993 18994 final File probe = new File(pkg.codePath); 18995 final File probeOat = new File(probe, "oat"); 18996 if (!probe.isDirectory() || !probeOat.isDirectory()) { 18997 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 18998 "Move only supported for modern cluster style installs"); 18999 } 19000 } 19001 19002 if (Objects.equals(currentVolumeUuid, volumeUuid)) { 19003 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 19004 "Package already moved to " + volumeUuid); 19005 } 19006 if (pkg.applicationInfo.isInternal() && isPackageDeviceAdminOnAnyUser(packageName)) { 19007 throw new PackageManagerException(MOVE_FAILED_DEVICE_ADMIN, 19008 "Device admin cannot be moved"); 19009 } 19010 19011 if (ps.frozen) { 19012 throw new PackageManagerException(MOVE_FAILED_OPERATION_PENDING, 19013 "Failed to move already frozen package"); 19014 } 19015 ps.frozen = true; 19016 19017 codeFile = new File(pkg.codePath); 19018 installerPackageName = ps.installerPackageName; 19019 packageAbiOverride = ps.cpuAbiOverrideString; 19020 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 19021 seinfo = pkg.applicationInfo.seinfo; 19022 label = String.valueOf(pm.getApplicationLabel(pkg.applicationInfo)); 19023 targetSdkVersion = pkg.applicationInfo.targetSdkVersion; 19024 } 19025 19026 // Now that we're guarded by frozen state, kill app during move 19027 final long token = Binder.clearCallingIdentity(); 19028 try { 19029 killApplication(packageName, appId, "move pkg"); 19030 } finally { 19031 Binder.restoreCallingIdentity(token); 19032 } 19033 19034 final Bundle extras = new Bundle(); 19035 extras.putString(Intent.EXTRA_PACKAGE_NAME, packageName); 19036 extras.putString(Intent.EXTRA_TITLE, label); 19037 mMoveCallbacks.notifyCreated(moveId, extras); 19038 19039 int installFlags; 19040 final boolean moveCompleteApp; 19041 final File measurePath; 19042 19043 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, volumeUuid)) { 19044 installFlags = INSTALL_INTERNAL; 19045 moveCompleteApp = !currentAsec; 19046 measurePath = Environment.getDataAppDirectory(volumeUuid); 19047 } else if (Objects.equals(StorageManager.UUID_PRIMARY_PHYSICAL, volumeUuid)) { 19048 installFlags = INSTALL_EXTERNAL; 19049 moveCompleteApp = false; 19050 measurePath = storage.getPrimaryPhysicalVolume().getPath(); 19051 } else { 19052 final VolumeInfo volume = storage.findVolumeByUuid(volumeUuid); 19053 if (volume == null || volume.getType() != VolumeInfo.TYPE_PRIVATE 19054 || !volume.isMountedWritable()) { 19055 unfreezePackage(packageName); 19056 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 19057 "Move location not mounted private volume"); 19058 } 19059 19060 Preconditions.checkState(!currentAsec); 19061 19062 installFlags = INSTALL_INTERNAL; 19063 moveCompleteApp = true; 19064 measurePath = Environment.getDataAppDirectory(volumeUuid); 19065 } 19066 19067 final PackageStats stats = new PackageStats(null, -1); 19068 synchronized (mInstaller) { 19069 if (!getPackageSizeInfoLI(packageName, -1, stats)) { 19070 unfreezePackage(packageName); 19071 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 19072 "Failed to measure package size"); 19073 } 19074 } 19075 19076 if (DEBUG_INSTALL) Slog.d(TAG, "Measured code size " + stats.codeSize + ", data size " 19077 + stats.dataSize); 19078 19079 final long startFreeBytes = measurePath.getFreeSpace(); 19080 final long sizeBytes; 19081 if (moveCompleteApp) { 19082 sizeBytes = stats.codeSize + stats.dataSize; 19083 } else { 19084 sizeBytes = stats.codeSize; 19085 } 19086 19087 if (sizeBytes > storage.getStorageBytesUntilLow(measurePath)) { 19088 unfreezePackage(packageName); 19089 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 19090 "Not enough free space to move"); 19091 } 19092 19093 mMoveCallbacks.notifyStatusChanged(moveId, 10); 19094 19095 final CountDownLatch installedLatch = new CountDownLatch(1); 19096 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 19097 @Override 19098 public void onUserActionRequired(Intent intent) throws RemoteException { 19099 throw new IllegalStateException(); 19100 } 19101 19102 @Override 19103 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 19104 Bundle extras) throws RemoteException { 19105 if (DEBUG_INSTALL) Slog.d(TAG, "Install result for move: " 19106 + PackageManager.installStatusToString(returnCode, msg)); 19107 19108 installedLatch.countDown(); 19109 19110 // Regardless of success or failure of the move operation, 19111 // always unfreeze the package 19112 unfreezePackage(packageName); 19113 19114 final int status = PackageManager.installStatusToPublicStatus(returnCode); 19115 switch (status) { 19116 case PackageInstaller.STATUS_SUCCESS: 19117 mMoveCallbacks.notifyStatusChanged(moveId, 19118 PackageManager.MOVE_SUCCEEDED); 19119 break; 19120 case PackageInstaller.STATUS_FAILURE_STORAGE: 19121 mMoveCallbacks.notifyStatusChanged(moveId, 19122 PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 19123 break; 19124 default: 19125 mMoveCallbacks.notifyStatusChanged(moveId, 19126 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 19127 break; 19128 } 19129 } 19130 }; 19131 19132 final MoveInfo move; 19133 if (moveCompleteApp) { 19134 // Kick off a thread to report progress estimates 19135 new Thread() { 19136 @Override 19137 public void run() { 19138 while (true) { 19139 try { 19140 if (installedLatch.await(1, TimeUnit.SECONDS)) { 19141 break; 19142 } 19143 } catch (InterruptedException ignored) { 19144 } 19145 19146 final long deltaFreeBytes = startFreeBytes - measurePath.getFreeSpace(); 19147 final int progress = 10 + (int) MathUtils.constrain( 19148 ((deltaFreeBytes * 80) / sizeBytes), 0, 80); 19149 mMoveCallbacks.notifyStatusChanged(moveId, progress); 19150 } 19151 } 19152 }.start(); 19153 19154 final String dataAppName = codeFile.getName(); 19155 move = new MoveInfo(moveId, currentVolumeUuid, volumeUuid, packageName, 19156 dataAppName, appId, seinfo, targetSdkVersion); 19157 } else { 19158 move = null; 19159 } 19160 19161 installFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 19162 19163 final Message msg = mHandler.obtainMessage(INIT_COPY); 19164 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 19165 final InstallParams params = new InstallParams(origin, move, installObserver, installFlags, 19166 installerPackageName, volumeUuid, null /*verificationInfo*/, user, 19167 packageAbiOverride, null /*grantedPermissions*/, null /*certificates*/); 19168 params.setTraceMethod("movePackage").setTraceCookie(System.identityHashCode(params)); 19169 msg.obj = params; 19170 19171 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "movePackage", 19172 System.identityHashCode(msg.obj)); 19173 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 19174 System.identityHashCode(msg.obj)); 19175 19176 mHandler.sendMessage(msg); 19177 } 19178 19179 @Override 19180 public int movePrimaryStorage(String volumeUuid) throws RemoteException { 19181 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 19182 19183 final int realMoveId = mNextMoveId.getAndIncrement(); 19184 final Bundle extras = new Bundle(); 19185 extras.putString(VolumeRecord.EXTRA_FS_UUID, volumeUuid); 19186 mMoveCallbacks.notifyCreated(realMoveId, extras); 19187 19188 final IPackageMoveObserver callback = new IPackageMoveObserver.Stub() { 19189 @Override 19190 public void onCreated(int moveId, Bundle extras) { 19191 // Ignored 19192 } 19193 19194 @Override 19195 public void onStatusChanged(int moveId, int status, long estMillis) { 19196 mMoveCallbacks.notifyStatusChanged(realMoveId, status, estMillis); 19197 } 19198 }; 19199 19200 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19201 storage.setPrimaryStorageUuid(volumeUuid, callback); 19202 return realMoveId; 19203 } 19204 19205 @Override 19206 public int getMoveStatus(int moveId) { 19207 mContext.enforceCallingOrSelfPermission( 19208 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 19209 return mMoveCallbacks.mLastStatus.get(moveId); 19210 } 19211 19212 @Override 19213 public void registerMoveCallback(IPackageMoveObserver callback) { 19214 mContext.enforceCallingOrSelfPermission( 19215 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 19216 mMoveCallbacks.register(callback); 19217 } 19218 19219 @Override 19220 public void unregisterMoveCallback(IPackageMoveObserver callback) { 19221 mContext.enforceCallingOrSelfPermission( 19222 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 19223 mMoveCallbacks.unregister(callback); 19224 } 19225 19226 @Override 19227 public boolean setInstallLocation(int loc) { 19228 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 19229 null); 19230 if (getInstallLocation() == loc) { 19231 return true; 19232 } 19233 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 19234 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 19235 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 19236 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 19237 return true; 19238 } 19239 return false; 19240 } 19241 19242 @Override 19243 public int getInstallLocation() { 19244 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 19245 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 19246 PackageHelper.APP_INSTALL_AUTO); 19247 } 19248 19249 /** Called by UserManagerService */ 19250 void cleanUpUser(UserManagerService userManager, int userHandle) { 19251 synchronized (mPackages) { 19252 mDirtyUsers.remove(userHandle); 19253 mUserNeedsBadging.delete(userHandle); 19254 mSettings.removeUserLPw(userHandle); 19255 mPendingBroadcasts.remove(userHandle); 19256 mEphemeralApplicationRegistry.onUserRemovedLPw(userHandle); 19257 } 19258 synchronized (mInstallLock) { 19259 final StorageManager storage = mContext.getSystemService(StorageManager.class); 19260 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 19261 final String volumeUuid = vol.getFsUuid(); 19262 if (DEBUG_INSTALL) Slog.d(TAG, "Removing user data on volume " + volumeUuid); 19263 try { 19264 mInstaller.removeUserDataDirs(volumeUuid, userHandle); 19265 } catch (InstallerException e) { 19266 Slog.w(TAG, "Failed to remove user data", e); 19267 } 19268 } 19269 synchronized (mPackages) { 19270 removeUnusedPackagesLILPw(userManager, userHandle); 19271 } 19272 } 19273 } 19274 19275 /** 19276 * We're removing userHandle and would like to remove any downloaded packages 19277 * that are no longer in use by any other user. 19278 * @param userHandle the user being removed 19279 */ 19280 private void removeUnusedPackagesLILPw(UserManagerService userManager, final int userHandle) { 19281 final boolean DEBUG_CLEAN_APKS = false; 19282 int [] users = userManager.getUserIds(); 19283 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 19284 while (psit.hasNext()) { 19285 PackageSetting ps = psit.next(); 19286 if (ps.pkg == null) { 19287 continue; 19288 } 19289 final String packageName = ps.pkg.packageName; 19290 // Skip over if system app 19291 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 19292 continue; 19293 } 19294 if (DEBUG_CLEAN_APKS) { 19295 Slog.i(TAG, "Checking package " + packageName); 19296 } 19297 boolean keep = shouldKeepUninstalledPackageLPr(packageName); 19298 if (keep) { 19299 if (DEBUG_CLEAN_APKS) { 19300 Slog.i(TAG, " Keeping package " + packageName + " - requested by DO"); 19301 } 19302 } else { 19303 for (int i = 0; i < users.length; i++) { 19304 if (users[i] != userHandle && ps.getInstalled(users[i])) { 19305 keep = true; 19306 if (DEBUG_CLEAN_APKS) { 19307 Slog.i(TAG, " Keeping package " + packageName + " for user " 19308 + users[i]); 19309 } 19310 break; 19311 } 19312 } 19313 } 19314 if (!keep) { 19315 if (DEBUG_CLEAN_APKS) { 19316 Slog.i(TAG, " Removing package " + packageName); 19317 } 19318 mHandler.post(new Runnable() { 19319 public void run() { 19320 deletePackageX(packageName, userHandle, 0); 19321 } //end run 19322 }); 19323 } 19324 } 19325 } 19326 19327 /** Called by UserManagerService */ 19328 void createNewUser(int userHandle) { 19329 synchronized (mInstallLock) { 19330 try { 19331 mInstaller.createUserConfig(userHandle); 19332 } catch (InstallerException e) { 19333 Slog.w(TAG, "Failed to create user config", e); 19334 } 19335 mSettings.createNewUserLI(this, mInstaller, userHandle); 19336 } 19337 synchronized (mPackages) { 19338 applyFactoryDefaultBrowserLPw(userHandle); 19339 primeDomainVerificationsLPw(userHandle); 19340 } 19341 } 19342 19343 void newUserCreated(final int userHandle) { 19344 mDefaultPermissionPolicy.grantDefaultPermissions(userHandle); 19345 // If permission review for legacy apps is required, we represent 19346 // dagerous permissions for such apps as always granted runtime 19347 // permissions to keep per user flag state whether review is needed. 19348 // Hence, if a new user is added we have to propagate dangerous 19349 // permission grants for these legacy apps. 19350 if (Build.PERMISSIONS_REVIEW_REQUIRED) { 19351 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 19352 | UPDATE_PERMISSIONS_REPLACE_ALL); 19353 } 19354 } 19355 19356 @Override 19357 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 19358 mContext.enforceCallingOrSelfPermission( 19359 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 19360 "Only package verification agents can read the verifier device identity"); 19361 19362 synchronized (mPackages) { 19363 return mSettings.getVerifierDeviceIdentityLPw(); 19364 } 19365 } 19366 19367 @Override 19368 public void setPermissionEnforced(String permission, boolean enforced) { 19369 // TODO: Now that we no longer change GID for storage, this should to away. 19370 mContext.enforceCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 19371 "setPermissionEnforced"); 19372 if (READ_EXTERNAL_STORAGE.equals(permission)) { 19373 synchronized (mPackages) { 19374 if (mSettings.mReadExternalStorageEnforced == null 19375 || mSettings.mReadExternalStorageEnforced != enforced) { 19376 mSettings.mReadExternalStorageEnforced = enforced; 19377 mSettings.writeLPr(); 19378 } 19379 } 19380 // kill any non-foreground processes so we restart them and 19381 // grant/revoke the GID. 19382 final IActivityManager am = ActivityManagerNative.getDefault(); 19383 if (am != null) { 19384 final long token = Binder.clearCallingIdentity(); 19385 try { 19386 am.killProcessesBelowForeground("setPermissionEnforcement"); 19387 } catch (RemoteException e) { 19388 } finally { 19389 Binder.restoreCallingIdentity(token); 19390 } 19391 } 19392 } else { 19393 throw new IllegalArgumentException("No selective enforcement for " + permission); 19394 } 19395 } 19396 19397 @Override 19398 @Deprecated 19399 public boolean isPermissionEnforced(String permission) { 19400 return true; 19401 } 19402 19403 @Override 19404 public boolean isStorageLow() { 19405 final long token = Binder.clearCallingIdentity(); 19406 try { 19407 final DeviceStorageMonitorInternal 19408 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 19409 if (dsm != null) { 19410 return dsm.isMemoryLow(); 19411 } else { 19412 return false; 19413 } 19414 } finally { 19415 Binder.restoreCallingIdentity(token); 19416 } 19417 } 19418 19419 @Override 19420 public IPackageInstaller getPackageInstaller() { 19421 return mInstallerService; 19422 } 19423 19424 private boolean userNeedsBadging(int userId) { 19425 int index = mUserNeedsBadging.indexOfKey(userId); 19426 if (index < 0) { 19427 final UserInfo userInfo; 19428 final long token = Binder.clearCallingIdentity(); 19429 try { 19430 userInfo = sUserManager.getUserInfo(userId); 19431 } finally { 19432 Binder.restoreCallingIdentity(token); 19433 } 19434 final boolean b; 19435 if (userInfo != null && userInfo.isManagedProfile()) { 19436 b = true; 19437 } else { 19438 b = false; 19439 } 19440 mUserNeedsBadging.put(userId, b); 19441 return b; 19442 } 19443 return mUserNeedsBadging.valueAt(index); 19444 } 19445 19446 @Override 19447 public KeySet getKeySetByAlias(String packageName, String alias) { 19448 if (packageName == null || alias == null) { 19449 return null; 19450 } 19451 synchronized(mPackages) { 19452 final PackageParser.Package pkg = mPackages.get(packageName); 19453 if (pkg == null) { 19454 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 19455 throw new IllegalArgumentException("Unknown package: " + packageName); 19456 } 19457 KeySetManagerService ksms = mSettings.mKeySetManagerService; 19458 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 19459 } 19460 } 19461 19462 @Override 19463 public KeySet getSigningKeySet(String packageName) { 19464 if (packageName == null) { 19465 return null; 19466 } 19467 synchronized(mPackages) { 19468 final PackageParser.Package pkg = mPackages.get(packageName); 19469 if (pkg == null) { 19470 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 19471 throw new IllegalArgumentException("Unknown package: " + packageName); 19472 } 19473 if (pkg.applicationInfo.uid != Binder.getCallingUid() 19474 && Process.SYSTEM_UID != Binder.getCallingUid()) { 19475 throw new SecurityException("May not access signing KeySet of other apps."); 19476 } 19477 KeySetManagerService ksms = mSettings.mKeySetManagerService; 19478 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 19479 } 19480 } 19481 19482 @Override 19483 public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { 19484 if (packageName == null || ks == null) { 19485 return false; 19486 } 19487 synchronized(mPackages) { 19488 final PackageParser.Package pkg = mPackages.get(packageName); 19489 if (pkg == null) { 19490 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 19491 throw new IllegalArgumentException("Unknown package: " + packageName); 19492 } 19493 IBinder ksh = ks.getToken(); 19494 if (ksh instanceof KeySetHandle) { 19495 KeySetManagerService ksms = mSettings.mKeySetManagerService; 19496 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 19497 } 19498 return false; 19499 } 19500 } 19501 19502 @Override 19503 public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { 19504 if (packageName == null || ks == null) { 19505 return false; 19506 } 19507 synchronized(mPackages) { 19508 final PackageParser.Package pkg = mPackages.get(packageName); 19509 if (pkg == null) { 19510 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 19511 throw new IllegalArgumentException("Unknown package: " + packageName); 19512 } 19513 IBinder ksh = ks.getToken(); 19514 if (ksh instanceof KeySetHandle) { 19515 KeySetManagerService ksms = mSettings.mKeySetManagerService; 19516 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 19517 } 19518 return false; 19519 } 19520 } 19521 19522 private void deletePackageIfUnusedLPr(final String packageName) { 19523 PackageSetting ps = mSettings.mPackages.get(packageName); 19524 if (ps == null) { 19525 return; 19526 } 19527 if (!ps.isAnyInstalled(sUserManager.getUserIds())) { 19528 // TODO Implement atomic delete if package is unused 19529 // It is currently possible that the package will be deleted even if it is installed 19530 // after this method returns. 19531 mHandler.post(new Runnable() { 19532 public void run() { 19533 deletePackageX(packageName, 0, PackageManager.DELETE_ALL_USERS); 19534 } 19535 }); 19536 } 19537 } 19538 19539 /** 19540 * Check and throw if the given before/after packages would be considered a 19541 * downgrade. 19542 */ 19543 private static void checkDowngrade(PackageParser.Package before, PackageInfoLite after) 19544 throws PackageManagerException { 19545 if (after.versionCode < before.mVersionCode) { 19546 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 19547 "Update version code " + after.versionCode + " is older than current " 19548 + before.mVersionCode); 19549 } else if (after.versionCode == before.mVersionCode) { 19550 if (after.baseRevisionCode < before.baseRevisionCode) { 19551 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 19552 "Update base revision code " + after.baseRevisionCode 19553 + " is older than current " + before.baseRevisionCode); 19554 } 19555 19556 if (!ArrayUtils.isEmpty(after.splitNames)) { 19557 for (int i = 0; i < after.splitNames.length; i++) { 19558 final String splitName = after.splitNames[i]; 19559 final int j = ArrayUtils.indexOf(before.splitNames, splitName); 19560 if (j != -1) { 19561 if (after.splitRevisionCodes[i] < before.splitRevisionCodes[j]) { 19562 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 19563 "Update split " + splitName + " revision code " 19564 + after.splitRevisionCodes[i] + " is older than current " 19565 + before.splitRevisionCodes[j]); 19566 } 19567 } 19568 } 19569 } 19570 } 19571 } 19572 19573 private static class MoveCallbacks extends Handler { 19574 private static final int MSG_CREATED = 1; 19575 private static final int MSG_STATUS_CHANGED = 2; 19576 19577 private final RemoteCallbackList<IPackageMoveObserver> 19578 mCallbacks = new RemoteCallbackList<>(); 19579 19580 private final SparseIntArray mLastStatus = new SparseIntArray(); 19581 19582 public MoveCallbacks(Looper looper) { 19583 super(looper); 19584 } 19585 19586 public void register(IPackageMoveObserver callback) { 19587 mCallbacks.register(callback); 19588 } 19589 19590 public void unregister(IPackageMoveObserver callback) { 19591 mCallbacks.unregister(callback); 19592 } 19593 19594 @Override 19595 public void handleMessage(Message msg) { 19596 final SomeArgs args = (SomeArgs) msg.obj; 19597 final int n = mCallbacks.beginBroadcast(); 19598 for (int i = 0; i < n; i++) { 19599 final IPackageMoveObserver callback = mCallbacks.getBroadcastItem(i); 19600 try { 19601 invokeCallback(callback, msg.what, args); 19602 } catch (RemoteException ignored) { 19603 } 19604 } 19605 mCallbacks.finishBroadcast(); 19606 args.recycle(); 19607 } 19608 19609 private void invokeCallback(IPackageMoveObserver callback, int what, SomeArgs args) 19610 throws RemoteException { 19611 switch (what) { 19612 case MSG_CREATED: { 19613 callback.onCreated(args.argi1, (Bundle) args.arg2); 19614 break; 19615 } 19616 case MSG_STATUS_CHANGED: { 19617 callback.onStatusChanged(args.argi1, args.argi2, (long) args.arg3); 19618 break; 19619 } 19620 } 19621 } 19622 19623 private void notifyCreated(int moveId, Bundle extras) { 19624 Slog.v(TAG, "Move " + moveId + " created " + extras.toString()); 19625 19626 final SomeArgs args = SomeArgs.obtain(); 19627 args.argi1 = moveId; 19628 args.arg2 = extras; 19629 obtainMessage(MSG_CREATED, args).sendToTarget(); 19630 } 19631 19632 private void notifyStatusChanged(int moveId, int status) { 19633 notifyStatusChanged(moveId, status, -1); 19634 } 19635 19636 private void notifyStatusChanged(int moveId, int status, long estMillis) { 19637 Slog.v(TAG, "Move " + moveId + " status " + status); 19638 19639 final SomeArgs args = SomeArgs.obtain(); 19640 args.argi1 = moveId; 19641 args.argi2 = status; 19642 args.arg3 = estMillis; 19643 obtainMessage(MSG_STATUS_CHANGED, args).sendToTarget(); 19644 19645 synchronized (mLastStatus) { 19646 mLastStatus.put(moveId, status); 19647 } 19648 } 19649 } 19650 19651 private final static class OnPermissionChangeListeners extends Handler { 19652 private static final int MSG_ON_PERMISSIONS_CHANGED = 1; 19653 19654 private final RemoteCallbackList<IOnPermissionsChangeListener> mPermissionListeners = 19655 new RemoteCallbackList<>(); 19656 19657 public OnPermissionChangeListeners(Looper looper) { 19658 super(looper); 19659 } 19660 19661 @Override 19662 public void handleMessage(Message msg) { 19663 switch (msg.what) { 19664 case MSG_ON_PERMISSIONS_CHANGED: { 19665 final int uid = msg.arg1; 19666 handleOnPermissionsChanged(uid); 19667 } break; 19668 } 19669 } 19670 19671 public void addListenerLocked(IOnPermissionsChangeListener listener) { 19672 mPermissionListeners.register(listener); 19673 19674 } 19675 19676 public void removeListenerLocked(IOnPermissionsChangeListener listener) { 19677 mPermissionListeners.unregister(listener); 19678 } 19679 19680 public void onPermissionsChanged(int uid) { 19681 if (mPermissionListeners.getRegisteredCallbackCount() > 0) { 19682 obtainMessage(MSG_ON_PERMISSIONS_CHANGED, uid, 0).sendToTarget(); 19683 } 19684 } 19685 19686 private void handleOnPermissionsChanged(int uid) { 19687 final int count = mPermissionListeners.beginBroadcast(); 19688 try { 19689 for (int i = 0; i < count; i++) { 19690 IOnPermissionsChangeListener callback = mPermissionListeners 19691 .getBroadcastItem(i); 19692 try { 19693 callback.onPermissionsChanged(uid); 19694 } catch (RemoteException e) { 19695 Log.e(TAG, "Permission listener is dead", e); 19696 } 19697 } 19698 } finally { 19699 mPermissionListeners.finishBroadcast(); 19700 } 19701 } 19702 } 19703 19704 private class PackageManagerInternalImpl extends PackageManagerInternal { 19705 @Override 19706 public void setLocationPackagesProvider(PackagesProvider provider) { 19707 synchronized (mPackages) { 19708 mDefaultPermissionPolicy.setLocationPackagesProviderLPw(provider); 19709 } 19710 } 19711 19712 @Override 19713 public void setVoiceInteractionPackagesProvider(PackagesProvider provider) { 19714 synchronized (mPackages) { 19715 mDefaultPermissionPolicy.setVoiceInteractionPackagesProviderLPw(provider); 19716 } 19717 } 19718 19719 @Override 19720 public void setSmsAppPackagesProvider(PackagesProvider provider) { 19721 synchronized (mPackages) { 19722 mDefaultPermissionPolicy.setSmsAppPackagesProviderLPw(provider); 19723 } 19724 } 19725 19726 @Override 19727 public void setDialerAppPackagesProvider(PackagesProvider provider) { 19728 synchronized (mPackages) { 19729 mDefaultPermissionPolicy.setDialerAppPackagesProviderLPw(provider); 19730 } 19731 } 19732 19733 @Override 19734 public void setSimCallManagerPackagesProvider(PackagesProvider provider) { 19735 synchronized (mPackages) { 19736 mDefaultPermissionPolicy.setSimCallManagerPackagesProviderLPw(provider); 19737 } 19738 } 19739 19740 @Override 19741 public void setSyncAdapterPackagesprovider(SyncAdapterPackagesProvider provider) { 19742 synchronized (mPackages) { 19743 mDefaultPermissionPolicy.setSyncAdapterPackagesProviderLPw(provider); 19744 } 19745 } 19746 19747 @Override 19748 public void grantDefaultPermissionsToDefaultSmsApp(String packageName, int userId) { 19749 synchronized (mPackages) { 19750 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSmsAppLPr( 19751 packageName, userId); 19752 } 19753 } 19754 19755 @Override 19756 public void grantDefaultPermissionsToDefaultDialerApp(String packageName, int userId) { 19757 synchronized (mPackages) { 19758 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultDialerAppLPr( 19759 packageName, userId); 19760 } 19761 } 19762 19763 @Override 19764 public void grantDefaultPermissionsToDefaultSimCallManager(String packageName, int userId) { 19765 synchronized (mPackages) { 19766 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSimCallManagerLPr( 19767 packageName, userId); 19768 } 19769 } 19770 19771 @Override 19772 public void setKeepUninstalledPackages(final List<String> packageList) { 19773 Preconditions.checkNotNull(packageList); 19774 List<String> removedFromList = null; 19775 synchronized (mPackages) { 19776 if (mKeepUninstalledPackages != null) { 19777 final int packagesCount = mKeepUninstalledPackages.size(); 19778 for (int i = 0; i < packagesCount; i++) { 19779 String oldPackage = mKeepUninstalledPackages.get(i); 19780 if (packageList != null && packageList.contains(oldPackage)) { 19781 continue; 19782 } 19783 if (removedFromList == null) { 19784 removedFromList = new ArrayList<>(); 19785 } 19786 removedFromList.add(oldPackage); 19787 } 19788 } 19789 mKeepUninstalledPackages = new ArrayList<>(packageList); 19790 if (removedFromList != null) { 19791 final int removedCount = removedFromList.size(); 19792 for (int i = 0; i < removedCount; i++) { 19793 deletePackageIfUnusedLPr(removedFromList.get(i)); 19794 } 19795 } 19796 } 19797 } 19798 19799 @Override 19800 public boolean isPermissionsReviewRequired(String packageName, int userId) { 19801 synchronized (mPackages) { 19802 // If we do not support permission review, done. 19803 if (!Build.PERMISSIONS_REVIEW_REQUIRED) { 19804 return false; 19805 } 19806 19807 PackageSetting packageSetting = mSettings.mPackages.get(packageName); 19808 if (packageSetting == null) { 19809 return false; 19810 } 19811 19812 // Permission review applies only to apps not supporting the new permission model. 19813 if (packageSetting.pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.M) { 19814 return false; 19815 } 19816 19817 // Legacy apps have the permission and get user consent on launch. 19818 PermissionsState permissionsState = packageSetting.getPermissionsState(); 19819 return permissionsState.isPermissionReviewRequired(userId); 19820 } 19821 } 19822 19823 @Override 19824 public ApplicationInfo getApplicationInfo(String packageName, int userId) { 19825 return PackageManagerService.this.getApplicationInfo(packageName, 0 /*flags*/, userId); 19826 } 19827 19828 @Override 19829 public ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 19830 int userId) { 19831 return PackageManagerService.this.getHomeActivitiesAsUser(allHomeCandidates, userId); 19832 } 19833 } 19834 19835 @Override 19836 public void grantDefaultPermissionsToEnabledCarrierApps(String[] packageNames, int userId) { 19837 enforceSystemOrPhoneCaller("grantPermissionsToEnabledCarrierApps"); 19838 synchronized (mPackages) { 19839 final long identity = Binder.clearCallingIdentity(); 19840 try { 19841 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledCarrierAppsLPr( 19842 packageNames, userId); 19843 } finally { 19844 Binder.restoreCallingIdentity(identity); 19845 } 19846 } 19847 } 19848 19849 private static void enforceSystemOrPhoneCaller(String tag) { 19850 int callingUid = Binder.getCallingUid(); 19851 if (callingUid != Process.PHONE_UID && callingUid != Process.SYSTEM_UID) { 19852 throw new SecurityException( 19853 "Cannot call " + tag + " from UID " + callingUid); 19854 } 19855 } 19856 19857 boolean isHistoricalPackageUsageAvailable() { 19858 return mPackageUsage.isHistoricalPackageUsageAvailable(); 19859 } 19860 19861 /** 19862 * Return a <b>copy</b> of the collection of packages known to the package manager. 19863 * @return A copy of the values of mPackages. 19864 */ 19865 Collection<PackageParser.Package> getPackages() { 19866 synchronized (mPackages) { 19867 return new ArrayList<>(mPackages.values()); 19868 } 19869 } 19870 19871 /** 19872 * Logs process start information (including base APK hash) to the security log. 19873 * @hide 19874 */ 19875 public void logAppProcessStartIfNeeded(String processName, int uid, String seinfo, 19876 String apkFile, int pid) { 19877 if (!SecurityLog.isLoggingEnabled()) { 19878 return; 19879 } 19880 Bundle data = new Bundle(); 19881 data.putLong("startTimestamp", System.currentTimeMillis()); 19882 data.putString("processName", processName); 19883 data.putInt("uid", uid); 19884 data.putString("seinfo", seinfo); 19885 data.putString("apkFile", apkFile); 19886 data.putInt("pid", pid); 19887 Message msg = mProcessLoggingHandler.obtainMessage( 19888 ProcessLoggingHandler.LOG_APP_PROCESS_START_MSG); 19889 msg.setData(data); 19890 mProcessLoggingHandler.sendMessage(msg); 19891 } 19892} 19893