PackageManagerService.java revision 02424676c68e23f44432ef0e379d65ddd9c3a786
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.PACKAGE_INFO_GID; 80import static android.os.Process.SYSTEM_UID; 81import static android.os.Trace.TRACE_TAG_PACKAGE_MANAGER; 82import static android.system.OsConstants.O_CREAT; 83import static android.system.OsConstants.O_RDWR; 84 85import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_MANAGED_PROFILE; 86import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_PARENT; 87import static com.android.internal.content.NativeLibraryHelper.LIB64_DIR_NAME; 88import static com.android.internal.content.NativeLibraryHelper.LIB_DIR_NAME; 89import static com.android.internal.util.ArrayUtils.appendInt; 90import static com.android.server.pm.Installer.DEXOPT_PUBLIC; 91import static com.android.server.pm.InstructionSets.getAppDexInstructionSets; 92import static com.android.server.pm.InstructionSets.getDexCodeInstructionSet; 93import static com.android.server.pm.InstructionSets.getDexCodeInstructionSets; 94import static com.android.server.pm.InstructionSets.getPreferredInstructionSet; 95import static com.android.server.pm.InstructionSets.getPrimaryInstructionSet; 96import static com.android.server.pm.PackageManagerServiceCompilerMapping.getCompilerFilterForReason; 97import static com.android.server.pm.PackageManagerServiceCompilerMapping.getFullCompilerFilter; 98import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_FAILURE; 99import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS; 100import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED; 101 102import android.Manifest; 103import android.annotation.NonNull; 104import android.annotation.Nullable; 105import android.app.ActivityManager; 106import android.app.ActivityManagerNative; 107import android.app.IActivityManager; 108import android.app.admin.DevicePolicyManagerInternal; 109import android.app.admin.IDevicePolicyManager; 110import android.app.admin.SecurityLog; 111import android.app.backup.IBackupManager; 112import android.content.BroadcastReceiver; 113import android.content.ComponentName; 114import android.content.Context; 115import android.content.IIntentReceiver; 116import android.content.Intent; 117import android.content.IntentFilter; 118import android.content.IntentSender; 119import android.content.IntentSender.SendIntentException; 120import android.content.ServiceConnection; 121import android.content.pm.ActivityInfo; 122import android.content.pm.ApplicationInfo; 123import android.content.pm.AppsQueryHelper; 124import android.content.pm.ComponentInfo; 125import android.content.pm.EphemeralApplicationInfo; 126import android.content.pm.EphemeralResolveInfo; 127import android.content.pm.EphemeralResolveInfo.EphemeralResolveIntentInfo; 128import android.content.pm.FeatureInfo; 129import android.content.pm.IOnPermissionsChangeListener; 130import android.content.pm.IPackageDataObserver; 131import android.content.pm.IPackageDeleteObserver; 132import android.content.pm.IPackageDeleteObserver2; 133import android.content.pm.IPackageInstallObserver2; 134import android.content.pm.IPackageInstaller; 135import android.content.pm.IPackageManager; 136import android.content.pm.IPackageMoveObserver; 137import android.content.pm.IPackageStatsObserver; 138import android.content.pm.InstrumentationInfo; 139import android.content.pm.IntentFilterVerificationInfo; 140import android.content.pm.KeySet; 141import android.content.pm.PackageCleanItem; 142import android.content.pm.PackageInfo; 143import android.content.pm.PackageInfoLite; 144import android.content.pm.PackageInstaller; 145import android.content.pm.PackageManager; 146import android.content.pm.PackageManager.LegacyPackageDeleteObserver; 147import android.content.pm.PackageManagerInternal; 148import android.content.pm.PackageParser; 149import android.content.pm.PackageParser.ActivityIntentInfo; 150import android.content.pm.PackageParser.PackageLite; 151import android.content.pm.PackageParser.PackageParserException; 152import android.content.pm.PackageStats; 153import android.content.pm.PackageUserState; 154import android.content.pm.ParceledListSlice; 155import android.content.pm.PermissionGroupInfo; 156import android.content.pm.PermissionInfo; 157import android.content.pm.ProviderInfo; 158import android.content.pm.ResolveInfo; 159import android.content.pm.ServiceInfo; 160import android.content.pm.Signature; 161import android.content.pm.UserInfo; 162import android.content.pm.VerifierDeviceIdentity; 163import android.content.pm.VerifierInfo; 164import android.content.res.Resources; 165import android.graphics.Bitmap; 166import android.hardware.display.DisplayManager; 167import android.net.Uri; 168import android.os.Binder; 169import android.os.Build; 170import android.os.Bundle; 171import android.os.Debug; 172import android.os.Environment; 173import android.os.Environment.UserEnvironment; 174import android.os.FileUtils; 175import android.os.Handler; 176import android.os.IBinder; 177import android.os.Looper; 178import android.os.Message; 179import android.os.Parcel; 180import android.os.ParcelFileDescriptor; 181import android.os.Process; 182import android.os.RemoteCallbackList; 183import android.os.RemoteException; 184import android.os.ResultReceiver; 185import android.os.SELinux; 186import android.os.ServiceManager; 187import android.os.SystemClock; 188import android.os.SystemProperties; 189import android.os.Trace; 190import android.os.UserHandle; 191import android.os.UserManager; 192import android.os.storage.IMountService; 193import android.os.storage.MountServiceInternal; 194import android.os.storage.StorageEventListener; 195import android.os.storage.StorageManager; 196import android.os.storage.VolumeInfo; 197import android.os.storage.VolumeRecord; 198import android.security.KeyStore; 199import android.security.SystemKeyStore; 200import android.system.ErrnoException; 201import android.system.Os; 202import android.text.TextUtils; 203import android.text.format.DateUtils; 204import android.util.ArrayMap; 205import android.util.ArraySet; 206import android.util.AtomicFile; 207import android.util.DisplayMetrics; 208import android.util.EventLog; 209import android.util.ExceptionUtils; 210import android.util.Log; 211import android.util.LogPrinter; 212import android.util.MathUtils; 213import android.util.PrintStreamPrinter; 214import android.util.Slog; 215import android.util.SparseArray; 216import android.util.SparseBooleanArray; 217import android.util.SparseIntArray; 218import android.util.Xml; 219import android.view.Display; 220 221import com.android.internal.R; 222import com.android.internal.annotations.GuardedBy; 223import com.android.internal.app.IMediaContainerService; 224import com.android.internal.app.ResolverActivity; 225import com.android.internal.content.NativeLibraryHelper; 226import com.android.internal.content.PackageHelper; 227import com.android.internal.os.IParcelFileDescriptorFactory; 228import com.android.internal.os.InstallerConnection.InstallerException; 229import com.android.internal.os.SomeArgs; 230import com.android.internal.os.Zygote; 231import com.android.internal.util.ArrayUtils; 232import com.android.internal.util.FastPrintWriter; 233import com.android.internal.util.FastXmlSerializer; 234import com.android.internal.util.IndentingPrintWriter; 235import com.android.internal.util.Preconditions; 236import com.android.internal.util.XmlUtils; 237import com.android.server.EventLogTags; 238import com.android.server.FgThread; 239import com.android.server.IntentResolver; 240import com.android.server.LocalServices; 241import com.android.server.ServiceThread; 242import com.android.server.SystemConfig; 243import com.android.server.Watchdog; 244import com.android.server.pm.PermissionsState.PermissionState; 245import com.android.server.pm.Settings.DatabaseVersion; 246import com.android.server.pm.Settings.VersionInfo; 247import com.android.server.storage.DeviceStorageMonitorInternal; 248 249import dalvik.system.DexFile; 250import dalvik.system.VMRuntime; 251 252import libcore.io.IoUtils; 253import libcore.util.EmptyArray; 254 255import org.xmlpull.v1.XmlPullParser; 256import org.xmlpull.v1.XmlPullParserException; 257import org.xmlpull.v1.XmlSerializer; 258 259import java.io.BufferedInputStream; 260import java.io.BufferedOutputStream; 261import java.io.BufferedReader; 262import java.io.ByteArrayInputStream; 263import java.io.ByteArrayOutputStream; 264import java.io.File; 265import java.io.FileDescriptor; 266import java.io.FileNotFoundException; 267import java.io.FileOutputStream; 268import java.io.FileReader; 269import java.io.FilenameFilter; 270import java.io.IOException; 271import java.io.InputStream; 272import java.io.PrintWriter; 273import java.nio.charset.StandardCharsets; 274import java.security.MessageDigest; 275import java.security.NoSuchAlgorithmException; 276import java.security.PublicKey; 277import java.security.cert.CertificateEncodingException; 278import java.security.cert.CertificateException; 279import java.text.SimpleDateFormat; 280import java.util.ArrayList; 281import java.util.Arrays; 282import java.util.Collection; 283import java.util.Collections; 284import java.util.Comparator; 285import java.util.Date; 286import java.util.HashSet; 287import java.util.Iterator; 288import java.util.List; 289import java.util.Map; 290import java.util.Objects; 291import java.util.Set; 292import java.util.concurrent.CountDownLatch; 293import java.util.concurrent.TimeUnit; 294import java.util.concurrent.atomic.AtomicBoolean; 295import java.util.concurrent.atomic.AtomicInteger; 296import java.util.concurrent.atomic.AtomicLong; 297 298/** 299 * Keep track of all those .apks everywhere. 300 * 301 * This is very central to the platform's security; please run the unit 302 * tests whenever making modifications here: 303 * 304runtest -c android.content.pm.PackageManagerTests frameworks-core 305 * 306 * {@hide} 307 */ 308public class PackageManagerService extends IPackageManager.Stub { 309 static final String TAG = "PackageManager"; 310 static final boolean DEBUG_SETTINGS = false; 311 static final boolean DEBUG_PREFERRED = false; 312 static final boolean DEBUG_UPGRADE = false; 313 static final boolean DEBUG_DOMAIN_VERIFICATION = false; 314 private static final boolean DEBUG_BACKUP = false; 315 private static final boolean DEBUG_INSTALL = false; 316 private static final boolean DEBUG_REMOVE = false; 317 private static final boolean DEBUG_BROADCASTS = false; 318 private static final boolean DEBUG_SHOW_INFO = false; 319 private static final boolean DEBUG_PACKAGE_INFO = false; 320 private static final boolean DEBUG_INTENT_MATCHING = false; 321 private static final boolean DEBUG_PACKAGE_SCANNING = false; 322 private static final boolean DEBUG_VERIFY = false; 323 324 // Debug output for dexopting. This is shared between PackageManagerService, OtaDexoptService 325 // and PackageDexOptimizer. All these classes have their own flag to allow switching a single 326 // user, but by default initialize to this. 327 static final boolean DEBUG_DEXOPT = false; 328 329 private static final boolean DEBUG_ABI_SELECTION = false; 330 private static final boolean DEBUG_EPHEMERAL = false; 331 private static final boolean DEBUG_TRIAGED_MISSING = false; 332 private static final boolean DEBUG_APP_DATA = false; 333 334 static final boolean CLEAR_RUNTIME_PERMISSIONS_ON_UPGRADE = false; 335 336 private static final boolean DISABLE_EPHEMERAL_APPS = true; 337 338 private static final int RADIO_UID = Process.PHONE_UID; 339 private static final int LOG_UID = Process.LOG_UID; 340 private static final int NFC_UID = Process.NFC_UID; 341 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 342 private static final int SHELL_UID = Process.SHELL_UID; 343 344 // Cap the size of permission trees that 3rd party apps can define 345 private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768; // characters of text 346 347 // Suffix used during package installation when copying/moving 348 // package apks to install directory. 349 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 350 351 static final int SCAN_NO_DEX = 1<<1; 352 static final int SCAN_FORCE_DEX = 1<<2; 353 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 354 static final int SCAN_NEW_INSTALL = 1<<4; 355 static final int SCAN_NO_PATHS = 1<<5; 356 static final int SCAN_UPDATE_TIME = 1<<6; 357 static final int SCAN_DEFER_DEX = 1<<7; 358 static final int SCAN_BOOTING = 1<<8; 359 static final int SCAN_TRUSTED_OVERLAY = 1<<9; 360 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<10; 361 static final int SCAN_REPLACING = 1<<11; 362 static final int SCAN_REQUIRE_KNOWN = 1<<12; 363 static final int SCAN_MOVE = 1<<13; 364 static final int SCAN_INITIAL = 1<<14; 365 static final int SCAN_CHECK_ONLY = 1<<15; 366 static final int SCAN_DONT_KILL_APP = 1<<17; 367 368 static final int REMOVE_CHATTY = 1<<16; 369 370 private static final int[] EMPTY_INT_ARRAY = new int[0]; 371 372 /** 373 * Timeout (in milliseconds) after which the watchdog should declare that 374 * our handler thread is wedged. The usual default for such things is one 375 * minute but we sometimes do very lengthy I/O operations on this thread, 376 * such as installing multi-gigabyte applications, so ours needs to be longer. 377 */ 378 private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 379 380 /** 381 * Wall-clock timeout (in milliseconds) after which we *require* that an fstrim 382 * be run on this device. We use the value in the Settings.Global.MANDATORY_FSTRIM_INTERVAL 383 * settings entry if available, otherwise we use the hardcoded default. If it's been 384 * more than this long since the last fstrim, we force one during the boot sequence. 385 * 386 * This backstops other fstrim scheduling: if the device is alive at midnight+idle, 387 * one gets run at the next available charging+idle time. This final mandatory 388 * no-fstrim check kicks in only of the other scheduling criteria is never met. 389 */ 390 private static final long DEFAULT_MANDATORY_FSTRIM_INTERVAL = 3 * DateUtils.DAY_IN_MILLIS; 391 392 /** 393 * Whether verification is enabled by default. 394 */ 395 private static final boolean DEFAULT_VERIFY_ENABLE = true; 396 397 /** 398 * The default maximum time to wait for the verification agent to return in 399 * milliseconds. 400 */ 401 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 402 403 /** 404 * The default response for package verification timeout. 405 * 406 * This can be either PackageManager.VERIFICATION_ALLOW or 407 * PackageManager.VERIFICATION_REJECT. 408 */ 409 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 410 411 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 412 413 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 414 DEFAULT_CONTAINER_PACKAGE, 415 "com.android.defcontainer.DefaultContainerService"); 416 417 private static final String KILL_APP_REASON_GIDS_CHANGED = 418 "permission grant or revoke changed gids"; 419 420 private static final String KILL_APP_REASON_PERMISSIONS_REVOKED = 421 "permissions revoked"; 422 423 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 424 425 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 426 427 /** Permission grant: not grant the permission. */ 428 private static final int GRANT_DENIED = 1; 429 430 /** Permission grant: grant the permission as an install permission. */ 431 private static final int GRANT_INSTALL = 2; 432 433 /** Permission grant: grant the permission as a runtime one. */ 434 private static final int GRANT_RUNTIME = 3; 435 436 /** Permission grant: grant as runtime a permission that was granted as an install time one. */ 437 private static final int GRANT_UPGRADE = 4; 438 439 /** Canonical intent used to identify what counts as a "web browser" app */ 440 private static final Intent sBrowserIntent; 441 static { 442 sBrowserIntent = new Intent(); 443 sBrowserIntent.setAction(Intent.ACTION_VIEW); 444 sBrowserIntent.addCategory(Intent.CATEGORY_BROWSABLE); 445 sBrowserIntent.setData(Uri.parse("http:")); 446 } 447 448 // Compilation reasons. 449 public static final int REASON_FIRST_BOOT = 0; 450 public static final int REASON_BOOT = 1; 451 public static final int REASON_INSTALL = 2; 452 public static final int REASON_BACKGROUND_DEXOPT = 3; 453 public static final int REASON_AB_OTA = 4; 454 public static final int REASON_NON_SYSTEM_LIBRARY = 5; 455 public static final int REASON_SHARED_APK = 6; 456 public static final int REASON_FORCED_DEXOPT = 7; 457 458 public static final int REASON_LAST = REASON_FORCED_DEXOPT; 459 460 final ServiceThread mHandlerThread; 461 462 final PackageHandler mHandler; 463 464 private final ProcessLoggingHandler mProcessLoggingHandler; 465 466 /** 467 * Messages for {@link #mHandler} that need to wait for system ready before 468 * being dispatched. 469 */ 470 private ArrayList<Message> mPostSystemReadyMessages; 471 472 final int mSdkVersion = Build.VERSION.SDK_INT; 473 474 final Context mContext; 475 final boolean mFactoryTest; 476 final boolean mOnlyCore; 477 final DisplayMetrics mMetrics; 478 final int mDefParseFlags; 479 final String[] mSeparateProcesses; 480 final boolean mIsUpgrade; 481 final boolean mIsPreNUpgrade; 482 483 /** The location for ASEC container files on internal storage. */ 484 final String mAsecInternalPath; 485 486 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 487 // LOCK HELD. Can be called with mInstallLock held. 488 @GuardedBy("mInstallLock") 489 final Installer mInstaller; 490 491 /** Directory where installed third-party apps stored */ 492 final File mAppInstallDir; 493 final File mEphemeralInstallDir; 494 495 /** 496 * Directory to which applications installed internally have their 497 * 32 bit native libraries copied. 498 */ 499 private File mAppLib32InstallDir; 500 501 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 502 // apps. 503 final File mDrmAppPrivateInstallDir; 504 505 // ---------------------------------------------------------------- 506 507 // Lock for state used when installing and doing other long running 508 // operations. Methods that must be called with this lock held have 509 // the suffix "LI". 510 final Object mInstallLock = new Object(); 511 512 // ---------------------------------------------------------------- 513 514 // Keys are String (package name), values are Package. This also serves 515 // as the lock for the global state. Methods that must be called with 516 // this lock held have the prefix "LP". 517 @GuardedBy("mPackages") 518 final ArrayMap<String, PackageParser.Package> mPackages = 519 new ArrayMap<String, PackageParser.Package>(); 520 521 final ArrayMap<String, Set<String>> mKnownCodebase = 522 new ArrayMap<String, Set<String>>(); 523 524 // Tracks available target package names -> overlay package paths. 525 final ArrayMap<String, ArrayMap<String, PackageParser.Package>> mOverlays = 526 new ArrayMap<String, ArrayMap<String, PackageParser.Package>>(); 527 528 /** 529 * Tracks new system packages [received in an OTA] that we expect to 530 * find updated user-installed versions. Keys are package name, values 531 * are package location. 532 */ 533 final private ArrayMap<String, File> mExpectingBetter = new ArrayMap<>(); 534 535 /** 536 * Tracks existing system packages prior to receiving an OTA. Keys are package name. 537 */ 538 final private ArraySet<String> mExistingSystemPackages = new ArraySet<>(); 539 /** 540 * Whether or not system app permissions should be promoted from install to runtime. 541 */ 542 boolean mPromoteSystemApps; 543 544 final Settings mSettings; 545 boolean mRestoredSettings; 546 547 // System configuration read by SystemConfig. 548 final int[] mGlobalGids; 549 final SparseArray<ArraySet<String>> mSystemPermissions; 550 final ArrayMap<String, FeatureInfo> mAvailableFeatures; 551 552 // If mac_permissions.xml was found for seinfo labeling. 553 boolean mFoundPolicyFile; 554 555 private final EphemeralApplicationRegistry mEphemeralApplicationRegistry; 556 557 public static final class SharedLibraryEntry { 558 public final String path; 559 public final String apk; 560 561 SharedLibraryEntry(String _path, String _apk) { 562 path = _path; 563 apk = _apk; 564 } 565 } 566 567 // Currently known shared libraries. 568 final ArrayMap<String, SharedLibraryEntry> mSharedLibraries = 569 new ArrayMap<String, SharedLibraryEntry>(); 570 571 // All available activities, for your resolving pleasure. 572 final ActivityIntentResolver mActivities = 573 new ActivityIntentResolver(); 574 575 // All available receivers, for your resolving pleasure. 576 final ActivityIntentResolver mReceivers = 577 new ActivityIntentResolver(); 578 579 // All available services, for your resolving pleasure. 580 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 581 582 // All available providers, for your resolving pleasure. 583 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 584 585 // Mapping from provider base names (first directory in content URI codePath) 586 // to the provider information. 587 final ArrayMap<String, PackageParser.Provider> mProvidersByAuthority = 588 new ArrayMap<String, PackageParser.Provider>(); 589 590 // Mapping from instrumentation class names to info about them. 591 final ArrayMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 592 new ArrayMap<ComponentName, PackageParser.Instrumentation>(); 593 594 // Mapping from permission names to info about them. 595 final ArrayMap<String, PackageParser.PermissionGroup> mPermissionGroups = 596 new ArrayMap<String, PackageParser.PermissionGroup>(); 597 598 // Packages whose data we have transfered into another package, thus 599 // should no longer exist. 600 final ArraySet<String> mTransferedPackages = new ArraySet<String>(); 601 602 // Broadcast actions that are only available to the system. 603 final ArraySet<String> mProtectedBroadcasts = new ArraySet<String>(); 604 605 /** List of packages waiting for verification. */ 606 final SparseArray<PackageVerificationState> mPendingVerification 607 = new SparseArray<PackageVerificationState>(); 608 609 /** Set of packages associated with each app op permission. */ 610 final ArrayMap<String, ArraySet<String>> mAppOpPermissionPackages = new ArrayMap<>(); 611 612 final PackageInstallerService mInstallerService; 613 614 private final PackageDexOptimizer mPackageDexOptimizer; 615 616 private AtomicInteger mNextMoveId = new AtomicInteger(); 617 private final MoveCallbacks mMoveCallbacks; 618 619 private final OnPermissionChangeListeners mOnPermissionChangeListeners; 620 621 // Cache of users who need badging. 622 SparseBooleanArray mUserNeedsBadging = new SparseBooleanArray(); 623 624 /** Token for keys in mPendingVerification. */ 625 private int mPendingVerificationToken = 0; 626 627 volatile boolean mSystemReady; 628 volatile boolean mSafeMode; 629 volatile boolean mHasSystemUidErrors; 630 631 ApplicationInfo mAndroidApplication; 632 final ActivityInfo mResolveActivity = new ActivityInfo(); 633 final ResolveInfo mResolveInfo = new ResolveInfo(); 634 ComponentName mResolveComponentName; 635 PackageParser.Package mPlatformPackage; 636 ComponentName mCustomResolverComponentName; 637 638 boolean mResolverReplaced = false; 639 640 private final @Nullable ComponentName mIntentFilterVerifierComponent; 641 private final @Nullable IntentFilterVerifier<ActivityIntentInfo> mIntentFilterVerifier; 642 643 private int mIntentFilterVerificationToken = 0; 644 645 /** Component that knows whether or not an ephemeral application exists */ 646 final ComponentName mEphemeralResolverComponent; 647 /** The service connection to the ephemeral resolver */ 648 final EphemeralResolverConnection mEphemeralResolverConnection; 649 650 /** Component used to install ephemeral applications */ 651 final ComponentName mEphemeralInstallerComponent; 652 final ActivityInfo mEphemeralInstallerActivity = new ActivityInfo(); 653 final ResolveInfo mEphemeralInstallerInfo = new ResolveInfo(); 654 655 final SparseArray<IntentFilterVerificationState> mIntentFilterVerificationStates 656 = new SparseArray<IntentFilterVerificationState>(); 657 658 final DefaultPermissionGrantPolicy mDefaultPermissionPolicy = 659 new DefaultPermissionGrantPolicy(this); 660 661 // List of packages names to keep cached, even if they are uninstalled for all users 662 private List<String> mKeepUninstalledPackages; 663 664 private static class IFVerificationParams { 665 PackageParser.Package pkg; 666 boolean replacing; 667 int userId; 668 int verifierUid; 669 670 public IFVerificationParams(PackageParser.Package _pkg, boolean _replacing, 671 int _userId, int _verifierUid) { 672 pkg = _pkg; 673 replacing = _replacing; 674 userId = _userId; 675 replacing = _replacing; 676 verifierUid = _verifierUid; 677 } 678 } 679 680 private interface IntentFilterVerifier<T extends IntentFilter> { 681 boolean addOneIntentFilterVerification(int verifierId, int userId, int verificationId, 682 T filter, String packageName); 683 void startVerifications(int userId); 684 void receiveVerificationResponse(int verificationId); 685 } 686 687 private class IntentVerifierProxy implements IntentFilterVerifier<ActivityIntentInfo> { 688 private Context mContext; 689 private ComponentName mIntentFilterVerifierComponent; 690 private ArrayList<Integer> mCurrentIntentFilterVerifications = new ArrayList<Integer>(); 691 692 public IntentVerifierProxy(Context context, ComponentName verifierComponent) { 693 mContext = context; 694 mIntentFilterVerifierComponent = verifierComponent; 695 } 696 697 private String getDefaultScheme() { 698 return IntentFilter.SCHEME_HTTPS; 699 } 700 701 @Override 702 public void startVerifications(int userId) { 703 // Launch verifications requests 704 int count = mCurrentIntentFilterVerifications.size(); 705 for (int n=0; n<count; n++) { 706 int verificationId = mCurrentIntentFilterVerifications.get(n); 707 final IntentFilterVerificationState ivs = 708 mIntentFilterVerificationStates.get(verificationId); 709 710 String packageName = ivs.getPackageName(); 711 712 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 713 final int filterCount = filters.size(); 714 ArraySet<String> domainsSet = new ArraySet<>(); 715 for (int m=0; m<filterCount; m++) { 716 PackageParser.ActivityIntentInfo filter = filters.get(m); 717 domainsSet.addAll(filter.getHostsList()); 718 } 719 ArrayList<String> domainsList = new ArrayList<>(domainsSet); 720 synchronized (mPackages) { 721 if (mSettings.createIntentFilterVerificationIfNeededLPw( 722 packageName, domainsList) != null) { 723 scheduleWriteSettingsLocked(); 724 } 725 } 726 sendVerificationRequest(userId, verificationId, ivs); 727 } 728 mCurrentIntentFilterVerifications.clear(); 729 } 730 731 private void sendVerificationRequest(int userId, int verificationId, 732 IntentFilterVerificationState ivs) { 733 734 Intent verificationIntent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 735 verificationIntent.putExtra( 736 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_ID, 737 verificationId); 738 verificationIntent.putExtra( 739 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_URI_SCHEME, 740 getDefaultScheme()); 741 verificationIntent.putExtra( 742 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_HOSTS, 743 ivs.getHostsString()); 744 verificationIntent.putExtra( 745 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_PACKAGE_NAME, 746 ivs.getPackageName()); 747 verificationIntent.setComponent(mIntentFilterVerifierComponent); 748 verificationIntent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 749 750 UserHandle user = new UserHandle(userId); 751 mContext.sendBroadcastAsUser(verificationIntent, user); 752 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 753 "Sending IntentFilter verification broadcast"); 754 } 755 756 public void receiveVerificationResponse(int verificationId) { 757 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 758 759 final boolean verified = ivs.isVerified(); 760 761 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 762 final int count = filters.size(); 763 if (DEBUG_DOMAIN_VERIFICATION) { 764 Slog.i(TAG, "Received verification response " + verificationId 765 + " for " + count + " filters, verified=" + verified); 766 } 767 for (int n=0; n<count; n++) { 768 PackageParser.ActivityIntentInfo filter = filters.get(n); 769 filter.setVerified(verified); 770 771 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "IntentFilter " + filter.toString() 772 + " verified with result:" + verified + " and hosts:" 773 + ivs.getHostsString()); 774 } 775 776 mIntentFilterVerificationStates.remove(verificationId); 777 778 final String packageName = ivs.getPackageName(); 779 IntentFilterVerificationInfo ivi = null; 780 781 synchronized (mPackages) { 782 ivi = mSettings.getIntentFilterVerificationLPr(packageName); 783 } 784 if (ivi == null) { 785 Slog.w(TAG, "IntentFilterVerificationInfo not found for verificationId:" 786 + verificationId + " packageName:" + packageName); 787 return; 788 } 789 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 790 "Updating IntentFilterVerificationInfo for package " + packageName 791 +" verificationId:" + verificationId); 792 793 synchronized (mPackages) { 794 if (verified) { 795 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS); 796 } else { 797 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK); 798 } 799 scheduleWriteSettingsLocked(); 800 801 final int userId = ivs.getUserId(); 802 if (userId != UserHandle.USER_ALL) { 803 final int userStatus = 804 mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 805 806 int updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 807 boolean needUpdate = false; 808 809 // We cannot override the STATUS_ALWAYS / STATUS_NEVER states if they have 810 // already been set by the User thru the Disambiguation dialog 811 switch (userStatus) { 812 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 813 if (verified) { 814 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 815 } else { 816 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 817 } 818 needUpdate = true; 819 break; 820 821 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 822 if (verified) { 823 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 824 needUpdate = true; 825 } 826 break; 827 828 default: 829 // Nothing to do 830 } 831 832 if (needUpdate) { 833 mSettings.updateIntentFilterVerificationStatusLPw( 834 packageName, updatedStatus, userId); 835 scheduleWritePackageRestrictionsLocked(userId); 836 } 837 } 838 } 839 } 840 841 @Override 842 public boolean addOneIntentFilterVerification(int verifierUid, int userId, int verificationId, 843 ActivityIntentInfo filter, String packageName) { 844 if (!hasValidDomains(filter)) { 845 return false; 846 } 847 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 848 if (ivs == null) { 849 ivs = createDomainVerificationState(verifierUid, userId, verificationId, 850 packageName); 851 } 852 if (DEBUG_DOMAIN_VERIFICATION) { 853 Slog.d(TAG, "Adding verification filter for " + packageName + ": " + filter); 854 } 855 ivs.addFilter(filter); 856 return true; 857 } 858 859 private IntentFilterVerificationState createDomainVerificationState(int verifierUid, 860 int userId, int verificationId, String packageName) { 861 IntentFilterVerificationState ivs = new IntentFilterVerificationState( 862 verifierUid, userId, packageName); 863 ivs.setPendingState(); 864 synchronized (mPackages) { 865 mIntentFilterVerificationStates.append(verificationId, ivs); 866 mCurrentIntentFilterVerifications.add(verificationId); 867 } 868 return ivs; 869 } 870 } 871 872 private static boolean hasValidDomains(ActivityIntentInfo filter) { 873 return filter.hasCategory(Intent.CATEGORY_BROWSABLE) 874 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 875 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS)); 876 } 877 878 // Set of pending broadcasts for aggregating enable/disable of components. 879 static class PendingPackageBroadcasts { 880 // for each user id, a map of <package name -> components within that package> 881 final SparseArray<ArrayMap<String, ArrayList<String>>> mUidMap; 882 883 public PendingPackageBroadcasts() { 884 mUidMap = new SparseArray<ArrayMap<String, ArrayList<String>>>(2); 885 } 886 887 public ArrayList<String> get(int userId, String packageName) { 888 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 889 return packages.get(packageName); 890 } 891 892 public void put(int userId, String packageName, ArrayList<String> components) { 893 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 894 packages.put(packageName, components); 895 } 896 897 public void remove(int userId, String packageName) { 898 ArrayMap<String, ArrayList<String>> packages = mUidMap.get(userId); 899 if (packages != null) { 900 packages.remove(packageName); 901 } 902 } 903 904 public void remove(int userId) { 905 mUidMap.remove(userId); 906 } 907 908 public int userIdCount() { 909 return mUidMap.size(); 910 } 911 912 public int userIdAt(int n) { 913 return mUidMap.keyAt(n); 914 } 915 916 public ArrayMap<String, ArrayList<String>> packagesForUserId(int userId) { 917 return mUidMap.get(userId); 918 } 919 920 public int size() { 921 // total number of pending broadcast entries across all userIds 922 int num = 0; 923 for (int i = 0; i< mUidMap.size(); i++) { 924 num += mUidMap.valueAt(i).size(); 925 } 926 return num; 927 } 928 929 public void clear() { 930 mUidMap.clear(); 931 } 932 933 private ArrayMap<String, ArrayList<String>> getOrAllocate(int userId) { 934 ArrayMap<String, ArrayList<String>> map = mUidMap.get(userId); 935 if (map == null) { 936 map = new ArrayMap<String, ArrayList<String>>(); 937 mUidMap.put(userId, map); 938 } 939 return map; 940 } 941 } 942 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 943 944 // Service Connection to remote media container service to copy 945 // package uri's from external media onto secure containers 946 // or internal storage. 947 private IMediaContainerService mContainerService = null; 948 949 static final int SEND_PENDING_BROADCAST = 1; 950 static final int MCS_BOUND = 3; 951 static final int END_COPY = 4; 952 static final int INIT_COPY = 5; 953 static final int MCS_UNBIND = 6; 954 static final int START_CLEANING_PACKAGE = 7; 955 static final int FIND_INSTALL_LOC = 8; 956 static final int POST_INSTALL = 9; 957 static final int MCS_RECONNECT = 10; 958 static final int MCS_GIVE_UP = 11; 959 static final int UPDATED_MEDIA_STATUS = 12; 960 static final int WRITE_SETTINGS = 13; 961 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 962 static final int PACKAGE_VERIFIED = 15; 963 static final int CHECK_PENDING_VERIFICATION = 16; 964 static final int START_INTENT_FILTER_VERIFICATIONS = 17; 965 static final int INTENT_FILTER_VERIFIED = 18; 966 967 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 968 969 // Delay time in millisecs 970 static final int BROADCAST_DELAY = 10 * 1000; 971 972 static UserManagerService sUserManager; 973 974 // Stores a list of users whose package restrictions file needs to be updated 975 private ArraySet<Integer> mDirtyUsers = new ArraySet<Integer>(); 976 977 final private DefaultContainerConnection mDefContainerConn = 978 new DefaultContainerConnection(); 979 class DefaultContainerConnection implements ServiceConnection { 980 public void onServiceConnected(ComponentName name, IBinder service) { 981 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 982 IMediaContainerService imcs = 983 IMediaContainerService.Stub.asInterface(service); 984 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 985 } 986 987 public void onServiceDisconnected(ComponentName name) { 988 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 989 } 990 } 991 992 // Recordkeeping of restore-after-install operations that are currently in flight 993 // between the Package Manager and the Backup Manager 994 static class PostInstallData { 995 public InstallArgs args; 996 public PackageInstalledInfo res; 997 998 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 999 args = _a; 1000 res = _r; 1001 } 1002 } 1003 1004 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 1005 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 1006 1007 // XML tags for backup/restore of various bits of state 1008 private static final String TAG_PREFERRED_BACKUP = "pa"; 1009 private static final String TAG_DEFAULT_APPS = "da"; 1010 private static final String TAG_INTENT_FILTER_VERIFICATION = "iv"; 1011 1012 private static final String TAG_PERMISSION_BACKUP = "perm-grant-backup"; 1013 private static final String TAG_ALL_GRANTS = "rt-grants"; 1014 private static final String TAG_GRANT = "grant"; 1015 private static final String ATTR_PACKAGE_NAME = "pkg"; 1016 1017 private static final String TAG_PERMISSION = "perm"; 1018 private static final String ATTR_PERMISSION_NAME = "name"; 1019 private static final String ATTR_IS_GRANTED = "g"; 1020 private static final String ATTR_USER_SET = "set"; 1021 private static final String ATTR_USER_FIXED = "fixed"; 1022 private static final String ATTR_REVOKE_ON_UPGRADE = "rou"; 1023 1024 // System/policy permission grants are not backed up 1025 private static final int SYSTEM_RUNTIME_GRANT_MASK = 1026 FLAG_PERMISSION_POLICY_FIXED 1027 | FLAG_PERMISSION_SYSTEM_FIXED 1028 | FLAG_PERMISSION_GRANTED_BY_DEFAULT; 1029 1030 // And we back up these user-adjusted states 1031 private static final int USER_RUNTIME_GRANT_MASK = 1032 FLAG_PERMISSION_USER_SET 1033 | FLAG_PERMISSION_USER_FIXED 1034 | FLAG_PERMISSION_REVOKE_ON_UPGRADE; 1035 1036 final @Nullable String mRequiredVerifierPackage; 1037 final @Nullable String mRequiredInstallerPackage; 1038 1039 private final PackageUsage mPackageUsage = new PackageUsage(); 1040 1041 private class PackageUsage { 1042 private static final int WRITE_INTERVAL 1043 = (DEBUG_DEXOPT) ? 0 : 30*60*1000; // 30m in ms 1044 1045 private final Object mFileLock = new Object(); 1046 private final AtomicLong mLastWritten = new AtomicLong(0); 1047 private final AtomicBoolean mBackgroundWriteRunning = new AtomicBoolean(false); 1048 1049 private boolean mIsHistoricalPackageUsageAvailable = true; 1050 1051 boolean isHistoricalPackageUsageAvailable() { 1052 return mIsHistoricalPackageUsageAvailable; 1053 } 1054 1055 void write(boolean force) { 1056 if (force) { 1057 writeInternal(); 1058 return; 1059 } 1060 if (SystemClock.elapsedRealtime() - mLastWritten.get() < WRITE_INTERVAL 1061 && !DEBUG_DEXOPT) { 1062 return; 1063 } 1064 if (mBackgroundWriteRunning.compareAndSet(false, true)) { 1065 new Thread("PackageUsage_DiskWriter") { 1066 @Override 1067 public void run() { 1068 try { 1069 writeInternal(); 1070 } finally { 1071 mBackgroundWriteRunning.set(false); 1072 } 1073 } 1074 }.start(); 1075 } 1076 } 1077 1078 private void writeInternal() { 1079 synchronized (mPackages) { 1080 synchronized (mFileLock) { 1081 AtomicFile file = getFile(); 1082 FileOutputStream f = null; 1083 try { 1084 f = file.startWrite(); 1085 BufferedOutputStream out = new BufferedOutputStream(f); 1086 FileUtils.setPermissions(file.getBaseFile().getPath(), 0640, SYSTEM_UID, PACKAGE_INFO_GID); 1087 StringBuilder sb = new StringBuilder(); 1088 for (PackageParser.Package pkg : mPackages.values()) { 1089 if (pkg.mLastPackageUsageTimeInMills == 0) { 1090 continue; 1091 } 1092 sb.setLength(0); 1093 sb.append(pkg.packageName); 1094 sb.append(' '); 1095 sb.append((long)pkg.mLastPackageUsageTimeInMills); 1096 sb.append('\n'); 1097 out.write(sb.toString().getBytes(StandardCharsets.US_ASCII)); 1098 } 1099 out.flush(); 1100 file.finishWrite(f); 1101 } catch (IOException e) { 1102 if (f != null) { 1103 file.failWrite(f); 1104 } 1105 Log.e(TAG, "Failed to write package usage times", e); 1106 } 1107 } 1108 } 1109 mLastWritten.set(SystemClock.elapsedRealtime()); 1110 } 1111 1112 void readLP() { 1113 synchronized (mFileLock) { 1114 AtomicFile file = getFile(); 1115 BufferedInputStream in = null; 1116 try { 1117 in = new BufferedInputStream(file.openRead()); 1118 StringBuffer sb = new StringBuffer(); 1119 while (true) { 1120 String packageName = readToken(in, sb, ' '); 1121 if (packageName == null) { 1122 break; 1123 } 1124 String timeInMillisString = readToken(in, sb, '\n'); 1125 if (timeInMillisString == null) { 1126 throw new IOException("Failed to find last usage time for package " 1127 + packageName); 1128 } 1129 PackageParser.Package pkg = mPackages.get(packageName); 1130 if (pkg == null) { 1131 continue; 1132 } 1133 long timeInMillis; 1134 try { 1135 timeInMillis = Long.parseLong(timeInMillisString); 1136 } catch (NumberFormatException e) { 1137 throw new IOException("Failed to parse " + timeInMillisString 1138 + " as a long.", e); 1139 } 1140 pkg.mLastPackageUsageTimeInMills = timeInMillis; 1141 } 1142 } catch (FileNotFoundException expected) { 1143 mIsHistoricalPackageUsageAvailable = false; 1144 } catch (IOException e) { 1145 Log.w(TAG, "Failed to read package usage times", e); 1146 } finally { 1147 IoUtils.closeQuietly(in); 1148 } 1149 } 1150 mLastWritten.set(SystemClock.elapsedRealtime()); 1151 } 1152 1153 private String readToken(InputStream in, StringBuffer sb, char endOfToken) 1154 throws IOException { 1155 sb.setLength(0); 1156 while (true) { 1157 int ch = in.read(); 1158 if (ch == -1) { 1159 if (sb.length() == 0) { 1160 return null; 1161 } 1162 throw new IOException("Unexpected EOF"); 1163 } 1164 if (ch == endOfToken) { 1165 return sb.toString(); 1166 } 1167 sb.append((char)ch); 1168 } 1169 } 1170 1171 private AtomicFile getFile() { 1172 File dataDir = Environment.getDataDirectory(); 1173 File systemDir = new File(dataDir, "system"); 1174 File fname = new File(systemDir, "package-usage.list"); 1175 return new AtomicFile(fname); 1176 } 1177 } 1178 1179 class PackageHandler extends Handler { 1180 private boolean mBound = false; 1181 final ArrayList<HandlerParams> mPendingInstalls = 1182 new ArrayList<HandlerParams>(); 1183 1184 private boolean connectToService() { 1185 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 1186 " DefaultContainerService"); 1187 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 1188 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1189 if (mContext.bindServiceAsUser(service, mDefContainerConn, 1190 Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 1191 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1192 mBound = true; 1193 return true; 1194 } 1195 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1196 return false; 1197 } 1198 1199 private void disconnectService() { 1200 mContainerService = null; 1201 mBound = false; 1202 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1203 mContext.unbindService(mDefContainerConn); 1204 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1205 } 1206 1207 PackageHandler(Looper looper) { 1208 super(looper); 1209 } 1210 1211 public void handleMessage(Message msg) { 1212 try { 1213 doHandleMessage(msg); 1214 } finally { 1215 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1216 } 1217 } 1218 1219 void doHandleMessage(Message msg) { 1220 switch (msg.what) { 1221 case INIT_COPY: { 1222 HandlerParams params = (HandlerParams) msg.obj; 1223 int idx = mPendingInstalls.size(); 1224 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 1225 // If a bind was already initiated we dont really 1226 // need to do anything. The pending install 1227 // will be processed later on. 1228 if (!mBound) { 1229 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1230 System.identityHashCode(mHandler)); 1231 // If this is the only one pending we might 1232 // have to bind to the service again. 1233 if (!connectToService()) { 1234 Slog.e(TAG, "Failed to bind to media container service"); 1235 params.serviceError(); 1236 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1237 System.identityHashCode(mHandler)); 1238 if (params.traceMethod != null) { 1239 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, params.traceMethod, 1240 params.traceCookie); 1241 } 1242 return; 1243 } else { 1244 // Once we bind to the service, the first 1245 // pending request will be processed. 1246 mPendingInstalls.add(idx, params); 1247 } 1248 } else { 1249 mPendingInstalls.add(idx, params); 1250 // Already bound to the service. Just make 1251 // sure we trigger off processing the first request. 1252 if (idx == 0) { 1253 mHandler.sendEmptyMessage(MCS_BOUND); 1254 } 1255 } 1256 break; 1257 } 1258 case MCS_BOUND: { 1259 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 1260 if (msg.obj != null) { 1261 mContainerService = (IMediaContainerService) msg.obj; 1262 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1263 System.identityHashCode(mHandler)); 1264 } 1265 if (mContainerService == null) { 1266 if (!mBound) { 1267 // Something seriously wrong since we are not bound and we are not 1268 // waiting for connection. Bail out. 1269 Slog.e(TAG, "Cannot bind to media container service"); 1270 for (HandlerParams params : mPendingInstalls) { 1271 // Indicate service bind error 1272 params.serviceError(); 1273 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1274 System.identityHashCode(params)); 1275 if (params.traceMethod != null) { 1276 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, 1277 params.traceMethod, params.traceCookie); 1278 } 1279 return; 1280 } 1281 mPendingInstalls.clear(); 1282 } else { 1283 Slog.w(TAG, "Waiting to connect to media container service"); 1284 } 1285 } else if (mPendingInstalls.size() > 0) { 1286 HandlerParams params = mPendingInstalls.get(0); 1287 if (params != null) { 1288 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1289 System.identityHashCode(params)); 1290 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "startCopy"); 1291 if (params.startCopy()) { 1292 // We are done... look for more work or to 1293 // go idle. 1294 if (DEBUG_SD_INSTALL) Log.i(TAG, 1295 "Checking for more work or unbind..."); 1296 // Delete pending install 1297 if (mPendingInstalls.size() > 0) { 1298 mPendingInstalls.remove(0); 1299 } 1300 if (mPendingInstalls.size() == 0) { 1301 if (mBound) { 1302 if (DEBUG_SD_INSTALL) Log.i(TAG, 1303 "Posting delayed MCS_UNBIND"); 1304 removeMessages(MCS_UNBIND); 1305 Message ubmsg = obtainMessage(MCS_UNBIND); 1306 // Unbind after a little delay, to avoid 1307 // continual thrashing. 1308 sendMessageDelayed(ubmsg, 10000); 1309 } 1310 } else { 1311 // There are more pending requests in queue. 1312 // Just post MCS_BOUND message to trigger processing 1313 // of next pending install. 1314 if (DEBUG_SD_INSTALL) Log.i(TAG, 1315 "Posting MCS_BOUND for next work"); 1316 mHandler.sendEmptyMessage(MCS_BOUND); 1317 } 1318 } 1319 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 1320 } 1321 } else { 1322 // Should never happen ideally. 1323 Slog.w(TAG, "Empty queue"); 1324 } 1325 break; 1326 } 1327 case MCS_RECONNECT: { 1328 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 1329 if (mPendingInstalls.size() > 0) { 1330 if (mBound) { 1331 disconnectService(); 1332 } 1333 if (!connectToService()) { 1334 Slog.e(TAG, "Failed to bind to media container service"); 1335 for (HandlerParams params : mPendingInstalls) { 1336 // Indicate service bind error 1337 params.serviceError(); 1338 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1339 System.identityHashCode(params)); 1340 } 1341 mPendingInstalls.clear(); 1342 } 1343 } 1344 break; 1345 } 1346 case MCS_UNBIND: { 1347 // If there is no actual work left, then time to unbind. 1348 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 1349 1350 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 1351 if (mBound) { 1352 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 1353 1354 disconnectService(); 1355 } 1356 } else if (mPendingInstalls.size() > 0) { 1357 // There are more pending requests in queue. 1358 // Just post MCS_BOUND message to trigger processing 1359 // of next pending install. 1360 mHandler.sendEmptyMessage(MCS_BOUND); 1361 } 1362 1363 break; 1364 } 1365 case MCS_GIVE_UP: { 1366 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 1367 HandlerParams params = mPendingInstalls.remove(0); 1368 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1369 System.identityHashCode(params)); 1370 break; 1371 } 1372 case SEND_PENDING_BROADCAST: { 1373 String packages[]; 1374 ArrayList<String> components[]; 1375 int size = 0; 1376 int uids[]; 1377 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1378 synchronized (mPackages) { 1379 if (mPendingBroadcasts == null) { 1380 return; 1381 } 1382 size = mPendingBroadcasts.size(); 1383 if (size <= 0) { 1384 // Nothing to be done. Just return 1385 return; 1386 } 1387 packages = new String[size]; 1388 components = new ArrayList[size]; 1389 uids = new int[size]; 1390 int i = 0; // filling out the above arrays 1391 1392 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 1393 int packageUserId = mPendingBroadcasts.userIdAt(n); 1394 Iterator<Map.Entry<String, ArrayList<String>>> it 1395 = mPendingBroadcasts.packagesForUserId(packageUserId) 1396 .entrySet().iterator(); 1397 while (it.hasNext() && i < size) { 1398 Map.Entry<String, ArrayList<String>> ent = it.next(); 1399 packages[i] = ent.getKey(); 1400 components[i] = ent.getValue(); 1401 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 1402 uids[i] = (ps != null) 1403 ? UserHandle.getUid(packageUserId, ps.appId) 1404 : -1; 1405 i++; 1406 } 1407 } 1408 size = i; 1409 mPendingBroadcasts.clear(); 1410 } 1411 // Send broadcasts 1412 for (int i = 0; i < size; i++) { 1413 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 1414 } 1415 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1416 break; 1417 } 1418 case START_CLEANING_PACKAGE: { 1419 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1420 final String packageName = (String)msg.obj; 1421 final int userId = msg.arg1; 1422 final boolean andCode = msg.arg2 != 0; 1423 synchronized (mPackages) { 1424 if (userId == UserHandle.USER_ALL) { 1425 int[] users = sUserManager.getUserIds(); 1426 for (int user : users) { 1427 mSettings.addPackageToCleanLPw( 1428 new PackageCleanItem(user, packageName, andCode)); 1429 } 1430 } else { 1431 mSettings.addPackageToCleanLPw( 1432 new PackageCleanItem(userId, packageName, andCode)); 1433 } 1434 } 1435 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1436 startCleaningPackages(); 1437 } break; 1438 case POST_INSTALL: { 1439 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 1440 1441 PostInstallData data = mRunningInstalls.get(msg.arg1); 1442 mRunningInstalls.delete(msg.arg1); 1443 1444 if (data != null) { 1445 InstallArgs args = data.args; 1446 PackageInstalledInfo parentRes = data.res; 1447 1448 final boolean grantPermissions = (args.installFlags 1449 & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0; 1450 final boolean killApp = (args.installFlags 1451 & PackageManager.INSTALL_DONT_KILL_APP) == 0; 1452 final String[] grantedPermissions = args.installGrantPermissions; 1453 1454 // Handle the parent package 1455 handlePackagePostInstall(parentRes, grantPermissions, killApp, 1456 grantedPermissions, args.observer); 1457 1458 // Handle the child packages 1459 final int childCount = (parentRes.addedChildPackages != null) 1460 ? parentRes.addedChildPackages.size() : 0; 1461 for (int i = 0; i < childCount; i++) { 1462 PackageInstalledInfo childRes = parentRes.addedChildPackages.valueAt(i); 1463 handlePackagePostInstall(childRes, grantPermissions, killApp, 1464 grantedPermissions, args.observer); 1465 } 1466 1467 // Log tracing if needed 1468 if (args.traceMethod != null) { 1469 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, args.traceMethod, 1470 args.traceCookie); 1471 } 1472 } else { 1473 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1474 } 1475 1476 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "postInstall", msg.arg1); 1477 } break; 1478 case UPDATED_MEDIA_STATUS: { 1479 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1480 boolean reportStatus = msg.arg1 == 1; 1481 boolean doGc = msg.arg2 == 1; 1482 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1483 if (doGc) { 1484 // Force a gc to clear up stale containers. 1485 Runtime.getRuntime().gc(); 1486 } 1487 if (msg.obj != null) { 1488 @SuppressWarnings("unchecked") 1489 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1490 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1491 // Unload containers 1492 unloadAllContainers(args); 1493 } 1494 if (reportStatus) { 1495 try { 1496 if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); 1497 PackageHelper.getMountService().finishMediaUpdate(); 1498 } catch (RemoteException e) { 1499 Log.e(TAG, "MountService not running?"); 1500 } 1501 } 1502 } break; 1503 case WRITE_SETTINGS: { 1504 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1505 synchronized (mPackages) { 1506 removeMessages(WRITE_SETTINGS); 1507 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1508 mSettings.writeLPr(); 1509 mDirtyUsers.clear(); 1510 } 1511 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1512 } break; 1513 case WRITE_PACKAGE_RESTRICTIONS: { 1514 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1515 synchronized (mPackages) { 1516 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1517 for (int userId : mDirtyUsers) { 1518 mSettings.writePackageRestrictionsLPr(userId); 1519 } 1520 mDirtyUsers.clear(); 1521 } 1522 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1523 } break; 1524 case CHECK_PENDING_VERIFICATION: { 1525 final int verificationId = msg.arg1; 1526 final PackageVerificationState state = mPendingVerification.get(verificationId); 1527 1528 if ((state != null) && !state.timeoutExtended()) { 1529 final InstallArgs args = state.getInstallArgs(); 1530 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1531 1532 Slog.i(TAG, "Verification timed out for " + originUri); 1533 mPendingVerification.remove(verificationId); 1534 1535 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1536 1537 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1538 Slog.i(TAG, "Continuing with installation of " + originUri); 1539 state.setVerifierResponse(Binder.getCallingUid(), 1540 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1541 broadcastPackageVerified(verificationId, originUri, 1542 PackageManager.VERIFICATION_ALLOW, 1543 state.getInstallArgs().getUser()); 1544 try { 1545 ret = args.copyApk(mContainerService, true); 1546 } catch (RemoteException e) { 1547 Slog.e(TAG, "Could not contact the ContainerService"); 1548 } 1549 } else { 1550 broadcastPackageVerified(verificationId, originUri, 1551 PackageManager.VERIFICATION_REJECT, 1552 state.getInstallArgs().getUser()); 1553 } 1554 1555 Trace.asyncTraceEnd( 1556 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1557 1558 processPendingInstall(args, ret); 1559 mHandler.sendEmptyMessage(MCS_UNBIND); 1560 } 1561 break; 1562 } 1563 case PACKAGE_VERIFIED: { 1564 final int verificationId = msg.arg1; 1565 1566 final PackageVerificationState state = mPendingVerification.get(verificationId); 1567 if (state == null) { 1568 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1569 break; 1570 } 1571 1572 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1573 1574 state.setVerifierResponse(response.callerUid, response.code); 1575 1576 if (state.isVerificationComplete()) { 1577 mPendingVerification.remove(verificationId); 1578 1579 final InstallArgs args = state.getInstallArgs(); 1580 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1581 1582 int ret; 1583 if (state.isInstallAllowed()) { 1584 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1585 broadcastPackageVerified(verificationId, originUri, 1586 response.code, state.getInstallArgs().getUser()); 1587 try { 1588 ret = args.copyApk(mContainerService, true); 1589 } catch (RemoteException e) { 1590 Slog.e(TAG, "Could not contact the ContainerService"); 1591 } 1592 } else { 1593 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1594 } 1595 1596 Trace.asyncTraceEnd( 1597 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1598 1599 processPendingInstall(args, ret); 1600 mHandler.sendEmptyMessage(MCS_UNBIND); 1601 } 1602 1603 break; 1604 } 1605 case START_INTENT_FILTER_VERIFICATIONS: { 1606 IFVerificationParams params = (IFVerificationParams) msg.obj; 1607 verifyIntentFiltersIfNeeded(params.userId, params.verifierUid, 1608 params.replacing, params.pkg); 1609 break; 1610 } 1611 case INTENT_FILTER_VERIFIED: { 1612 final int verificationId = msg.arg1; 1613 1614 final IntentFilterVerificationState state = mIntentFilterVerificationStates.get( 1615 verificationId); 1616 if (state == null) { 1617 Slog.w(TAG, "Invalid IntentFilter verification token " 1618 + verificationId + " received"); 1619 break; 1620 } 1621 1622 final int userId = state.getUserId(); 1623 1624 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1625 "Processing IntentFilter verification with token:" 1626 + verificationId + " and userId:" + userId); 1627 1628 final IntentFilterVerificationResponse response = 1629 (IntentFilterVerificationResponse) msg.obj; 1630 1631 state.setVerifierResponse(response.callerUid, response.code); 1632 1633 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1634 "IntentFilter verification with token:" + verificationId 1635 + " and userId:" + userId 1636 + " is settings verifier response with response code:" 1637 + response.code); 1638 1639 if (response.code == PackageManager.INTENT_FILTER_VERIFICATION_FAILURE) { 1640 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Domains failing verification: " 1641 + response.getFailedDomainsString()); 1642 } 1643 1644 if (state.isVerificationComplete()) { 1645 mIntentFilterVerifier.receiveVerificationResponse(verificationId); 1646 } else { 1647 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1648 "IntentFilter verification with token:" + verificationId 1649 + " was not said to be complete"); 1650 } 1651 1652 break; 1653 } 1654 } 1655 } 1656 } 1657 1658 private void handlePackagePostInstall(PackageInstalledInfo res, boolean grantPermissions, 1659 boolean killApp, String[] grantedPermissions, 1660 IPackageInstallObserver2 installObserver) { 1661 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 1662 // Send the removed broadcasts 1663 if (res.removedInfo != null) { 1664 res.removedInfo.sendPackageRemovedBroadcasts(killApp); 1665 } 1666 1667 // Now that we successfully installed the package, grant runtime 1668 // permissions if requested before broadcasting the install. 1669 if (grantPermissions && res.pkg.applicationInfo.targetSdkVersion 1670 >= Build.VERSION_CODES.M) { 1671 grantRequestedRuntimePermissions(res.pkg, res.newUsers, grantedPermissions); 1672 } 1673 1674 final boolean update = res.removedInfo != null 1675 && res.removedInfo.removedPackage != null; 1676 1677 // If this is the first time we have child packages for a disabled privileged 1678 // app that had no children, we grant requested runtime permissions to the new 1679 // children if the parent on the system image had them already granted. 1680 if (res.pkg.parentPackage != null) { 1681 synchronized (mPackages) { 1682 grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw(res.pkg); 1683 } 1684 } 1685 1686 synchronized (mPackages) { 1687 mEphemeralApplicationRegistry.onPackageInstalledLPw(res.pkg); 1688 } 1689 1690 final String packageName = res.pkg.applicationInfo.packageName; 1691 Bundle extras = new Bundle(1); 1692 extras.putInt(Intent.EXTRA_UID, res.uid); 1693 1694 // Determine the set of users who are adding this package for 1695 // the first time vs. those who are seeing an update. 1696 int[] firstUsers = EMPTY_INT_ARRAY; 1697 int[] updateUsers = EMPTY_INT_ARRAY; 1698 if (res.origUsers == null || res.origUsers.length == 0) { 1699 firstUsers = res.newUsers; 1700 } else { 1701 for (int newUser : res.newUsers) { 1702 boolean isNew = true; 1703 for (int origUser : res.origUsers) { 1704 if (origUser == newUser) { 1705 isNew = false; 1706 break; 1707 } 1708 } 1709 if (isNew) { 1710 firstUsers = ArrayUtils.appendInt(firstUsers, newUser); 1711 } else { 1712 updateUsers = ArrayUtils.appendInt(updateUsers, newUser); 1713 } 1714 } 1715 } 1716 1717 // Send installed broadcasts if the install/update is not ephemeral 1718 if (!isEphemeral(res.pkg)) { 1719 mProcessLoggingHandler.invalidateProcessLoggingBaseApkHash(res.pkg.baseCodePath); 1720 1721 // Send added for users that see the package for the first time 1722 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1723 extras, 0 /*flags*/, null /*targetPackage*/, 1724 null /*finishedReceiver*/, firstUsers); 1725 1726 // Send added for users that don't see the package for the first time 1727 if (update) { 1728 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1729 } 1730 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1731 extras, 0 /*flags*/, null /*targetPackage*/, 1732 null /*finishedReceiver*/, updateUsers); 1733 1734 // Send replaced for users that don't see the package for the first time 1735 if (update) { 1736 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1737 packageName, extras, 0 /*flags*/, 1738 null /*targetPackage*/, null /*finishedReceiver*/, 1739 updateUsers); 1740 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1741 null /*package*/, null /*extras*/, 0 /*flags*/, 1742 packageName /*targetPackage*/, 1743 null /*finishedReceiver*/, updateUsers); 1744 } 1745 1746 // Send broadcast package appeared if forward locked/external for all users 1747 // treat asec-hosted packages like removable media on upgrade 1748 if (res.pkg.isForwardLocked() || isExternal(res.pkg)) { 1749 if (DEBUG_INSTALL) { 1750 Slog.i(TAG, "upgrading pkg " + res.pkg 1751 + " is ASEC-hosted -> AVAILABLE"); 1752 } 1753 final int[] uidArray = new int[]{res.pkg.applicationInfo.uid}; 1754 ArrayList<String> pkgList = new ArrayList<>(1); 1755 pkgList.add(packageName); 1756 sendResourcesChangedBroadcast(true, true, pkgList, uidArray, null); 1757 } 1758 } 1759 1760 // Work that needs to happen on first install within each user 1761 if (firstUsers != null && firstUsers.length > 0) { 1762 synchronized (mPackages) { 1763 for (int userId : firstUsers) { 1764 // If this app is a browser and it's newly-installed for some 1765 // users, clear any default-browser state in those users. The 1766 // app's nature doesn't depend on the user, so we can just check 1767 // its browser nature in any user and generalize. 1768 if (packageIsBrowser(packageName, userId)) { 1769 mSettings.setDefaultBrowserPackageNameLPw(null, userId); 1770 } 1771 1772 // We may also need to apply pending (restored) runtime 1773 // permission grants within these users. 1774 mSettings.applyPendingPermissionGrantsLPw(packageName, userId); 1775 } 1776 } 1777 } 1778 1779 // Log current value of "unknown sources" setting 1780 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1781 getUnknownSourcesSettings()); 1782 1783 // Force a gc to clear up things 1784 Runtime.getRuntime().gc(); 1785 1786 // Remove the replaced package's older resources safely now 1787 // We delete after a gc for applications on sdcard. 1788 if (res.removedInfo != null && res.removedInfo.args != null) { 1789 synchronized (mInstallLock) { 1790 res.removedInfo.args.doPostDeleteLI(true); 1791 } 1792 } 1793 } 1794 1795 // If someone is watching installs - notify them 1796 if (installObserver != null) { 1797 try { 1798 Bundle extras = extrasForInstallResult(res); 1799 installObserver.onPackageInstalled(res.name, res.returnCode, 1800 res.returnMsg, extras); 1801 } catch (RemoteException e) { 1802 Slog.i(TAG, "Observer no longer exists."); 1803 } 1804 } 1805 } 1806 1807 private void grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw( 1808 PackageParser.Package pkg) { 1809 if (pkg.parentPackage == null) { 1810 return; 1811 } 1812 if (pkg.requestedPermissions == null) { 1813 return; 1814 } 1815 final PackageSetting disabledSysParentPs = mSettings 1816 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 1817 if (disabledSysParentPs == null || disabledSysParentPs.pkg == null 1818 || !disabledSysParentPs.isPrivileged() 1819 || (disabledSysParentPs.childPackageNames != null 1820 && !disabledSysParentPs.childPackageNames.isEmpty())) { 1821 return; 1822 } 1823 final int[] allUserIds = sUserManager.getUserIds(); 1824 final int permCount = pkg.requestedPermissions.size(); 1825 for (int i = 0; i < permCount; i++) { 1826 String permission = pkg.requestedPermissions.get(i); 1827 BasePermission bp = mSettings.mPermissions.get(permission); 1828 if (bp == null || !(bp.isRuntime() || bp.isDevelopment())) { 1829 continue; 1830 } 1831 for (int userId : allUserIds) { 1832 if (disabledSysParentPs.getPermissionsState().hasRuntimePermission( 1833 permission, userId)) { 1834 grantRuntimePermission(pkg.packageName, permission, userId); 1835 } 1836 } 1837 } 1838 } 1839 1840 private StorageEventListener mStorageListener = new StorageEventListener() { 1841 @Override 1842 public void onVolumeStateChanged(VolumeInfo vol, int oldState, int newState) { 1843 if (vol.type == VolumeInfo.TYPE_PRIVATE) { 1844 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1845 final String volumeUuid = vol.getFsUuid(); 1846 1847 // Clean up any users or apps that were removed or recreated 1848 // while this volume was missing 1849 reconcileUsers(volumeUuid); 1850 reconcileApps(volumeUuid); 1851 1852 // Clean up any install sessions that expired or were 1853 // cancelled while this volume was missing 1854 mInstallerService.onPrivateVolumeMounted(volumeUuid); 1855 1856 loadPrivatePackages(vol); 1857 1858 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1859 unloadPrivatePackages(vol); 1860 } 1861 } 1862 1863 if (vol.type == VolumeInfo.TYPE_PUBLIC && vol.isPrimary()) { 1864 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1865 updateExternalMediaStatus(true, false); 1866 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1867 updateExternalMediaStatus(false, false); 1868 } 1869 } 1870 } 1871 1872 @Override 1873 public void onVolumeForgotten(String fsUuid) { 1874 if (TextUtils.isEmpty(fsUuid)) { 1875 Slog.e(TAG, "Forgetting internal storage is probably a mistake; ignoring"); 1876 return; 1877 } 1878 1879 // Remove any apps installed on the forgotten volume 1880 synchronized (mPackages) { 1881 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(fsUuid); 1882 for (PackageSetting ps : packages) { 1883 Slog.d(TAG, "Destroying " + ps.name + " because volume was forgotten"); 1884 deletePackage(ps.name, new LegacyPackageDeleteObserver(null).getBinder(), 1885 UserHandle.USER_SYSTEM, PackageManager.DELETE_ALL_USERS); 1886 } 1887 1888 mSettings.onVolumeForgotten(fsUuid); 1889 mSettings.writeLPr(); 1890 } 1891 } 1892 }; 1893 1894 private void grantRequestedRuntimePermissions(PackageParser.Package pkg, int[] userIds, 1895 String[] grantedPermissions) { 1896 for (int userId : userIds) { 1897 grantRequestedRuntimePermissionsForUser(pkg, userId, grantedPermissions); 1898 } 1899 1900 // We could have touched GID membership, so flush out packages.list 1901 synchronized (mPackages) { 1902 mSettings.writePackageListLPr(); 1903 } 1904 } 1905 1906 private void grantRequestedRuntimePermissionsForUser(PackageParser.Package pkg, int userId, 1907 String[] grantedPermissions) { 1908 SettingBase sb = (SettingBase) pkg.mExtras; 1909 if (sb == null) { 1910 return; 1911 } 1912 1913 PermissionsState permissionsState = sb.getPermissionsState(); 1914 1915 final int immutableFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 1916 | PackageManager.FLAG_PERMISSION_POLICY_FIXED; 1917 1918 synchronized (mPackages) { 1919 for (String permission : pkg.requestedPermissions) { 1920 BasePermission bp = mSettings.mPermissions.get(permission); 1921 if (bp != null && (bp.isRuntime() || bp.isDevelopment()) 1922 && (grantedPermissions == null 1923 || ArrayUtils.contains(grantedPermissions, permission))) { 1924 final int flags = permissionsState.getPermissionFlags(permission, userId); 1925 // Installer cannot change immutable permissions. 1926 if ((flags & immutableFlags) == 0) { 1927 grantRuntimePermission(pkg.packageName, permission, userId); 1928 } 1929 } 1930 } 1931 } 1932 } 1933 1934 Bundle extrasForInstallResult(PackageInstalledInfo res) { 1935 Bundle extras = null; 1936 switch (res.returnCode) { 1937 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 1938 extras = new Bundle(); 1939 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 1940 res.origPermission); 1941 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 1942 res.origPackage); 1943 break; 1944 } 1945 case PackageManager.INSTALL_SUCCEEDED: { 1946 extras = new Bundle(); 1947 extras.putBoolean(Intent.EXTRA_REPLACING, 1948 res.removedInfo != null && res.removedInfo.removedPackage != null); 1949 break; 1950 } 1951 } 1952 return extras; 1953 } 1954 1955 void scheduleWriteSettingsLocked() { 1956 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 1957 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 1958 } 1959 } 1960 1961 void scheduleWritePackageRestrictionsLocked(UserHandle user) { 1962 final int userId = user == null ? UserHandle.USER_ALL : user.getIdentifier(); 1963 scheduleWritePackageRestrictionsLocked(userId); 1964 } 1965 1966 void scheduleWritePackageRestrictionsLocked(int userId) { 1967 final int[] userIds = (userId == UserHandle.USER_ALL) 1968 ? sUserManager.getUserIds() : new int[]{userId}; 1969 for (int nextUserId : userIds) { 1970 if (!sUserManager.exists(nextUserId)) return; 1971 mDirtyUsers.add(nextUserId); 1972 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 1973 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 1974 } 1975 } 1976 } 1977 1978 public static PackageManagerService main(Context context, Installer installer, 1979 boolean factoryTest, boolean onlyCore) { 1980 // Self-check for initial settings. 1981 PackageManagerServiceCompilerMapping.checkProperties(); 1982 1983 PackageManagerService m = new PackageManagerService(context, installer, 1984 factoryTest, onlyCore); 1985 m.enableSystemUserPackages(); 1986 ServiceManager.addService("package", m); 1987 return m; 1988 } 1989 1990 private void enableSystemUserPackages() { 1991 if (!UserManager.isSplitSystemUser()) { 1992 return; 1993 } 1994 // For system user, enable apps based on the following conditions: 1995 // - app is whitelisted or belong to one of these groups: 1996 // -- system app which has no launcher icons 1997 // -- system app which has INTERACT_ACROSS_USERS permission 1998 // -- system IME app 1999 // - app is not in the blacklist 2000 AppsQueryHelper queryHelper = new AppsQueryHelper(this); 2001 Set<String> enableApps = new ArraySet<>(); 2002 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_NON_LAUNCHABLE_APPS 2003 | AppsQueryHelper.GET_APPS_WITH_INTERACT_ACROSS_USERS_PERM 2004 | AppsQueryHelper.GET_IMES, /* systemAppsOnly */ true, UserHandle.SYSTEM)); 2005 ArraySet<String> wlApps = SystemConfig.getInstance().getSystemUserWhitelistedApps(); 2006 enableApps.addAll(wlApps); 2007 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_REQUIRED_FOR_SYSTEM_USER, 2008 /* systemAppsOnly */ false, UserHandle.SYSTEM)); 2009 ArraySet<String> blApps = SystemConfig.getInstance().getSystemUserBlacklistedApps(); 2010 enableApps.removeAll(blApps); 2011 Log.i(TAG, "Applications installed for system user: " + enableApps); 2012 List<String> allAps = queryHelper.queryApps(0, /* systemAppsOnly */ false, 2013 UserHandle.SYSTEM); 2014 final int allAppsSize = allAps.size(); 2015 synchronized (mPackages) { 2016 for (int i = 0; i < allAppsSize; i++) { 2017 String pName = allAps.get(i); 2018 PackageSetting pkgSetting = mSettings.mPackages.get(pName); 2019 // Should not happen, but we shouldn't be failing if it does 2020 if (pkgSetting == null) { 2021 continue; 2022 } 2023 boolean install = enableApps.contains(pName); 2024 if (pkgSetting.getInstalled(UserHandle.USER_SYSTEM) != install) { 2025 Log.i(TAG, (install ? "Installing " : "Uninstalling ") + pName 2026 + " for system user"); 2027 pkgSetting.setInstalled(install, UserHandle.USER_SYSTEM); 2028 } 2029 } 2030 } 2031 } 2032 2033 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 2034 DisplayManager displayManager = (DisplayManager) context.getSystemService( 2035 Context.DISPLAY_SERVICE); 2036 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 2037 } 2038 2039 public PackageManagerService(Context context, Installer installer, 2040 boolean factoryTest, boolean onlyCore) { 2041 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 2042 SystemClock.uptimeMillis()); 2043 2044 if (mSdkVersion <= 0) { 2045 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 2046 } 2047 2048 mContext = context; 2049 mFactoryTest = factoryTest; 2050 mOnlyCore = onlyCore; 2051 mMetrics = new DisplayMetrics(); 2052 mSettings = new Settings(mPackages); 2053 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 2054 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2055 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 2056 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2057 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 2058 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2059 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 2060 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2061 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 2062 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2063 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 2064 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2065 2066 String separateProcesses = SystemProperties.get("debug.separate_processes"); 2067 if (separateProcesses != null && separateProcesses.length() > 0) { 2068 if ("*".equals(separateProcesses)) { 2069 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 2070 mSeparateProcesses = null; 2071 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 2072 } else { 2073 mDefParseFlags = 0; 2074 mSeparateProcesses = separateProcesses.split(","); 2075 Slog.w(TAG, "Running with debug.separate_processes: " 2076 + separateProcesses); 2077 } 2078 } else { 2079 mDefParseFlags = 0; 2080 mSeparateProcesses = null; 2081 } 2082 2083 mInstaller = installer; 2084 mPackageDexOptimizer = new PackageDexOptimizer(installer, mInstallLock, context, 2085 "*dexopt*"); 2086 mMoveCallbacks = new MoveCallbacks(FgThread.get().getLooper()); 2087 2088 mOnPermissionChangeListeners = new OnPermissionChangeListeners( 2089 FgThread.get().getLooper()); 2090 2091 getDefaultDisplayMetrics(context, mMetrics); 2092 2093 SystemConfig systemConfig = SystemConfig.getInstance(); 2094 mGlobalGids = systemConfig.getGlobalGids(); 2095 mSystemPermissions = systemConfig.getSystemPermissions(); 2096 mAvailableFeatures = systemConfig.getAvailableFeatures(); 2097 2098 synchronized (mInstallLock) { 2099 // writer 2100 synchronized (mPackages) { 2101 mHandlerThread = new ServiceThread(TAG, 2102 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 2103 mHandlerThread.start(); 2104 mHandler = new PackageHandler(mHandlerThread.getLooper()); 2105 mProcessLoggingHandler = new ProcessLoggingHandler(); 2106 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 2107 2108 File dataDir = Environment.getDataDirectory(); 2109 mAppInstallDir = new File(dataDir, "app"); 2110 mAppLib32InstallDir = new File(dataDir, "app-lib"); 2111 mEphemeralInstallDir = new File(dataDir, "app-ephemeral"); 2112 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 2113 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 2114 2115 sUserManager = new UserManagerService(context, this, mPackages); 2116 2117 // Propagate permission configuration in to package manager. 2118 ArrayMap<String, SystemConfig.PermissionEntry> permConfig 2119 = systemConfig.getPermissions(); 2120 for (int i=0; i<permConfig.size(); i++) { 2121 SystemConfig.PermissionEntry perm = permConfig.valueAt(i); 2122 BasePermission bp = mSettings.mPermissions.get(perm.name); 2123 if (bp == null) { 2124 bp = new BasePermission(perm.name, "android", BasePermission.TYPE_BUILTIN); 2125 mSettings.mPermissions.put(perm.name, bp); 2126 } 2127 if (perm.gids != null) { 2128 bp.setGids(perm.gids, perm.perUser); 2129 } 2130 } 2131 2132 ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries(); 2133 for (int i=0; i<libConfig.size(); i++) { 2134 mSharedLibraries.put(libConfig.keyAt(i), 2135 new SharedLibraryEntry(libConfig.valueAt(i), null)); 2136 } 2137 2138 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 2139 2140 mRestoredSettings = mSettings.readLPw(sUserManager.getUsers(false)); 2141 2142 String customResolverActivity = Resources.getSystem().getString( 2143 R.string.config_customResolverActivity); 2144 if (TextUtils.isEmpty(customResolverActivity)) { 2145 customResolverActivity = null; 2146 } else { 2147 mCustomResolverComponentName = ComponentName.unflattenFromString( 2148 customResolverActivity); 2149 } 2150 2151 long startTime = SystemClock.uptimeMillis(); 2152 2153 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 2154 startTime); 2155 2156 // Set flag to monitor and not change apk file paths when 2157 // scanning install directories. 2158 final int scanFlags = SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING | SCAN_INITIAL; 2159 2160 final String bootClassPath = System.getenv("BOOTCLASSPATH"); 2161 final String systemServerClassPath = System.getenv("SYSTEMSERVERCLASSPATH"); 2162 2163 if (bootClassPath == null) { 2164 Slog.w(TAG, "No BOOTCLASSPATH found!"); 2165 } 2166 2167 if (systemServerClassPath == null) { 2168 Slog.w(TAG, "No SYSTEMSERVERCLASSPATH found!"); 2169 } 2170 2171 final List<String> allInstructionSets = InstructionSets.getAllInstructionSets(); 2172 final String[] dexCodeInstructionSets = 2173 getDexCodeInstructionSets( 2174 allInstructionSets.toArray(new String[allInstructionSets.size()])); 2175 2176 /** 2177 * Ensure all external libraries have had dexopt run on them. 2178 */ 2179 if (mSharedLibraries.size() > 0) { 2180 // NOTE: For now, we're compiling these system "shared libraries" 2181 // (and framework jars) into all available architectures. It's possible 2182 // to compile them only when we come across an app that uses them (there's 2183 // already logic for that in scanPackageLI) but that adds some complexity. 2184 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 2185 for (SharedLibraryEntry libEntry : mSharedLibraries.values()) { 2186 final String lib = libEntry.path; 2187 if (lib == null) { 2188 continue; 2189 } 2190 2191 try { 2192 // Shared libraries do not have profiles so we perform a full 2193 // AOT compilation (if needed). 2194 int dexoptNeeded = DexFile.getDexOptNeeded( 2195 lib, dexCodeInstructionSet, 2196 getCompilerFilterForReason(REASON_SHARED_APK), 2197 false /* newProfile */); 2198 if (dexoptNeeded != DexFile.NO_DEXOPT_NEEDED) { 2199 mInstaller.dexopt(lib, Process.SYSTEM_UID, dexCodeInstructionSet, 2200 dexoptNeeded, DEXOPT_PUBLIC /*dexFlags*/, 2201 getCompilerFilterForReason(REASON_SHARED_APK), 2202 StorageManager.UUID_PRIVATE_INTERNAL); 2203 } 2204 } catch (FileNotFoundException e) { 2205 Slog.w(TAG, "Library not found: " + lib); 2206 } catch (IOException | InstallerException e) { 2207 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 2208 + e.getMessage()); 2209 } 2210 } 2211 } 2212 } 2213 2214 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 2215 2216 final VersionInfo ver = mSettings.getInternalVersion(); 2217 mIsUpgrade = !Build.FINGERPRINT.equals(ver.fingerprint); 2218 2219 // when upgrading from pre-M, promote system app permissions from install to runtime 2220 mPromoteSystemApps = 2221 mIsUpgrade && ver.sdkVersion <= Build.VERSION_CODES.LOLLIPOP_MR1; 2222 2223 // save off the names of pre-existing system packages prior to scanning; we don't 2224 // want to automatically grant runtime permissions for new system apps 2225 if (mPromoteSystemApps) { 2226 Iterator<PackageSetting> pkgSettingIter = mSettings.mPackages.values().iterator(); 2227 while (pkgSettingIter.hasNext()) { 2228 PackageSetting ps = pkgSettingIter.next(); 2229 if (isSystemApp(ps)) { 2230 mExistingSystemPackages.add(ps.name); 2231 } 2232 } 2233 } 2234 2235 // When upgrading from pre-N, we need to handle package extraction like first boot, 2236 // as there is no profiling data available. 2237 mIsPreNUpgrade = !mSettings.isNWorkDone(); 2238 mSettings.setNWorkDone(); 2239 2240 // Collect vendor overlay packages. 2241 // (Do this before scanning any apps.) 2242 // For security and version matching reason, only consider 2243 // overlay packages if they reside in VENDOR_OVERLAY_DIR. 2244 File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR); 2245 scanDirTracedLI(vendorOverlayDir, PackageParser.PARSE_IS_SYSTEM 2246 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 2247 2248 // Find base frameworks (resource packages without code). 2249 scanDirTracedLI(frameworkDir, PackageParser.PARSE_IS_SYSTEM 2250 | PackageParser.PARSE_IS_SYSTEM_DIR 2251 | PackageParser.PARSE_IS_PRIVILEGED, 2252 scanFlags | SCAN_NO_DEX, 0); 2253 2254 // Collected privileged system packages. 2255 final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 2256 scanDirTracedLI(privilegedAppDir, PackageParser.PARSE_IS_SYSTEM 2257 | PackageParser.PARSE_IS_SYSTEM_DIR 2258 | PackageParser.PARSE_IS_PRIVILEGED, scanFlags, 0); 2259 2260 // Collect ordinary system packages. 2261 final File systemAppDir = new File(Environment.getRootDirectory(), "app"); 2262 scanDirTracedLI(systemAppDir, PackageParser.PARSE_IS_SYSTEM 2263 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2264 2265 // Collect all vendor packages. 2266 File vendorAppDir = new File("/vendor/app"); 2267 try { 2268 vendorAppDir = vendorAppDir.getCanonicalFile(); 2269 } catch (IOException e) { 2270 // failed to look up canonical path, continue with original one 2271 } 2272 scanDirTracedLI(vendorAppDir, PackageParser.PARSE_IS_SYSTEM 2273 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2274 2275 // Collect all OEM packages. 2276 final File oemAppDir = new File(Environment.getOemDirectory(), "app"); 2277 scanDirTracedLI(oemAppDir, PackageParser.PARSE_IS_SYSTEM 2278 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2279 2280 // Prune any system packages that no longer exist. 2281 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 2282 if (!mOnlyCore) { 2283 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 2284 while (psit.hasNext()) { 2285 PackageSetting ps = psit.next(); 2286 2287 /* 2288 * If this is not a system app, it can't be a 2289 * disable system app. 2290 */ 2291 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 2292 continue; 2293 } 2294 2295 /* 2296 * If the package is scanned, it's not erased. 2297 */ 2298 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 2299 if (scannedPkg != null) { 2300 /* 2301 * If the system app is both scanned and in the 2302 * disabled packages list, then it must have been 2303 * added via OTA. Remove it from the currently 2304 * scanned package so the previously user-installed 2305 * application can be scanned. 2306 */ 2307 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 2308 logCriticalInfo(Log.WARN, "Expecting better updated system app for " 2309 + ps.name + "; removing system app. Last known codePath=" 2310 + ps.codePathString + ", installStatus=" + ps.installStatus 2311 + ", versionCode=" + ps.versionCode + "; scanned versionCode=" 2312 + scannedPkg.mVersionCode); 2313 removePackageLI(scannedPkg, true); 2314 mExpectingBetter.put(ps.name, ps.codePath); 2315 } 2316 2317 continue; 2318 } 2319 2320 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 2321 psit.remove(); 2322 logCriticalInfo(Log.WARN, "System package " + ps.name 2323 + " no longer exists; wiping its data"); 2324 removeDataDirsLI(null, ps.name); 2325 } else { 2326 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 2327 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 2328 possiblyDeletedUpdatedSystemApps.add(ps.name); 2329 } 2330 } 2331 } 2332 } 2333 2334 //look for any incomplete package installations 2335 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 2336 //clean up list 2337 for(int i = 0; i < deletePkgsList.size(); i++) { 2338 //clean up here 2339 cleanupInstallFailedPackage(deletePkgsList.get(i)); 2340 } 2341 //delete tmp files 2342 deleteTempPackageFiles(); 2343 2344 // Remove any shared userIDs that have no associated packages 2345 mSettings.pruneSharedUsersLPw(); 2346 2347 if (!mOnlyCore) { 2348 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 2349 SystemClock.uptimeMillis()); 2350 scanDirTracedLI(mAppInstallDir, 0, scanFlags | SCAN_REQUIRE_KNOWN, 0); 2351 2352 scanDirTracedLI(mDrmAppPrivateInstallDir, PackageParser.PARSE_FORWARD_LOCK, 2353 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2354 2355 scanDirLI(mEphemeralInstallDir, PackageParser.PARSE_IS_EPHEMERAL, 2356 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2357 2358 /** 2359 * Remove disable package settings for any updated system 2360 * apps that were removed via an OTA. If they're not a 2361 * previously-updated app, remove them completely. 2362 * Otherwise, just revoke their system-level permissions. 2363 */ 2364 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 2365 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 2366 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 2367 2368 String msg; 2369 if (deletedPkg == null) { 2370 msg = "Updated system package " + deletedAppName 2371 + " no longer exists; wiping its data"; 2372 removeDataDirsLI(null, deletedAppName); 2373 } else { 2374 msg = "Updated system app + " + deletedAppName 2375 + " no longer present; removing system privileges for " 2376 + deletedAppName; 2377 2378 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 2379 2380 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 2381 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 2382 } 2383 logCriticalInfo(Log.WARN, msg); 2384 } 2385 2386 /** 2387 * Make sure all system apps that we expected to appear on 2388 * the userdata partition actually showed up. If they never 2389 * appeared, crawl back and revive the system version. 2390 */ 2391 for (int i = 0; i < mExpectingBetter.size(); i++) { 2392 final String packageName = mExpectingBetter.keyAt(i); 2393 if (!mPackages.containsKey(packageName)) { 2394 final File scanFile = mExpectingBetter.valueAt(i); 2395 2396 logCriticalInfo(Log.WARN, "Expected better " + packageName 2397 + " but never showed up; reverting to system"); 2398 2399 final int reparseFlags; 2400 if (FileUtils.contains(privilegedAppDir, scanFile)) { 2401 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2402 | PackageParser.PARSE_IS_SYSTEM_DIR 2403 | PackageParser.PARSE_IS_PRIVILEGED; 2404 } else if (FileUtils.contains(systemAppDir, scanFile)) { 2405 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2406 | PackageParser.PARSE_IS_SYSTEM_DIR; 2407 } else if (FileUtils.contains(vendorAppDir, scanFile)) { 2408 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2409 | PackageParser.PARSE_IS_SYSTEM_DIR; 2410 } else if (FileUtils.contains(oemAppDir, scanFile)) { 2411 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2412 | PackageParser.PARSE_IS_SYSTEM_DIR; 2413 } else { 2414 Slog.e(TAG, "Ignoring unexpected fallback path " + scanFile); 2415 continue; 2416 } 2417 2418 mSettings.enableSystemPackageLPw(packageName); 2419 2420 try { 2421 scanPackageTracedLI(scanFile, reparseFlags, scanFlags, 0, null); 2422 } catch (PackageManagerException e) { 2423 Slog.e(TAG, "Failed to parse original system package: " 2424 + e.getMessage()); 2425 } 2426 } 2427 } 2428 } 2429 mExpectingBetter.clear(); 2430 2431 // Now that we know all of the shared libraries, update all clients to have 2432 // the correct library paths. 2433 updateAllSharedLibrariesLPw(); 2434 2435 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 2436 // NOTE: We ignore potential failures here during a system scan (like 2437 // the rest of the commands above) because there's precious little we 2438 // can do about it. A settings error is reported, though. 2439 adjustCpuAbisForSharedUserLPw(setting.packages, null /* scanned package */, 2440 false /* boot complete */); 2441 } 2442 2443 // Now that we know all the packages we are keeping, 2444 // read and update their last usage times. 2445 mPackageUsage.readLP(); 2446 2447 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 2448 SystemClock.uptimeMillis()); 2449 Slog.i(TAG, "Time to scan packages: " 2450 + ((SystemClock.uptimeMillis()-startTime)/1000f) 2451 + " seconds"); 2452 2453 // If the platform SDK has changed since the last time we booted, 2454 // we need to re-grant app permission to catch any new ones that 2455 // appear. This is really a hack, and means that apps can in some 2456 // cases get permissions that the user didn't initially explicitly 2457 // allow... it would be nice to have some better way to handle 2458 // this situation. 2459 int updateFlags = UPDATE_PERMISSIONS_ALL; 2460 if (ver.sdkVersion != mSdkVersion) { 2461 Slog.i(TAG, "Platform changed from " + ver.sdkVersion + " to " 2462 + mSdkVersion + "; regranting permissions for internal storage"); 2463 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 2464 } 2465 updatePermissionsLPw(null, null, StorageManager.UUID_PRIVATE_INTERNAL, updateFlags); 2466 ver.sdkVersion = mSdkVersion; 2467 2468 // If this is the first boot or an update from pre-M, and it is a normal 2469 // boot, then we need to initialize the default preferred apps across 2470 // all defined users. 2471 if (!onlyCore && (mPromoteSystemApps || !mRestoredSettings)) { 2472 for (UserInfo user : sUserManager.getUsers(true)) { 2473 mSettings.applyDefaultPreferredAppsLPw(this, user.id); 2474 applyFactoryDefaultBrowserLPw(user.id); 2475 primeDomainVerificationsLPw(user.id); 2476 } 2477 } 2478 2479 // Prepare storage for system user really early during boot, 2480 // since core system apps like SettingsProvider and SystemUI 2481 // can't wait for user to start 2482 final int storageFlags; 2483 if (StorageManager.isFileEncryptedNativeOrEmulated()) { 2484 storageFlags = StorageManager.FLAG_STORAGE_DE; 2485 } else { 2486 storageFlags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 2487 } 2488 reconcileAppsData(StorageManager.UUID_PRIVATE_INTERNAL, UserHandle.USER_SYSTEM, 2489 storageFlags); 2490 2491 // If this is first boot after an OTA, and a normal boot, then 2492 // we need to clear code cache directories. 2493 if (mIsUpgrade && !onlyCore) { 2494 Slog.i(TAG, "Build fingerprint changed; clearing code caches"); 2495 for (int i = 0; i < mSettings.mPackages.size(); i++) { 2496 final PackageSetting ps = mSettings.mPackages.valueAt(i); 2497 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, ps.volumeUuid)) { 2498 deleteCodeCacheDirsLI(ps.volumeUuid, ps.name); 2499 } 2500 } 2501 ver.fingerprint = Build.FINGERPRINT; 2502 } 2503 2504 checkDefaultBrowser(); 2505 2506 // clear only after permissions and other defaults have been updated 2507 mExistingSystemPackages.clear(); 2508 mPromoteSystemApps = false; 2509 2510 // All the changes are done during package scanning. 2511 ver.databaseVersion = Settings.CURRENT_DATABASE_VERSION; 2512 2513 // can downgrade to reader 2514 mSettings.writeLPr(); 2515 2516 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 2517 SystemClock.uptimeMillis()); 2518 2519 if (!mOnlyCore) { 2520 mRequiredVerifierPackage = getRequiredButNotReallyRequiredVerifierLPr(); 2521 mRequiredInstallerPackage = getRequiredInstallerLPr(); 2522 mIntentFilterVerifierComponent = getIntentFilterVerifierComponentNameLPr(); 2523 mIntentFilterVerifier = new IntentVerifierProxy(mContext, 2524 mIntentFilterVerifierComponent); 2525 } else { 2526 mRequiredVerifierPackage = null; 2527 mRequiredInstallerPackage = null; 2528 mIntentFilterVerifierComponent = null; 2529 mIntentFilterVerifier = null; 2530 } 2531 2532 mInstallerService = new PackageInstallerService(context, this); 2533 2534 final ComponentName ephemeralResolverComponent = getEphemeralResolverLPr(); 2535 final ComponentName ephemeralInstallerComponent = getEphemeralInstallerLPr(); 2536 // both the installer and resolver must be present to enable ephemeral 2537 if (ephemeralInstallerComponent != null && ephemeralResolverComponent != null) { 2538 if (DEBUG_EPHEMERAL) { 2539 Slog.i(TAG, "Ephemeral activated; resolver: " + ephemeralResolverComponent 2540 + " installer:" + ephemeralInstallerComponent); 2541 } 2542 mEphemeralResolverComponent = ephemeralResolverComponent; 2543 mEphemeralInstallerComponent = ephemeralInstallerComponent; 2544 setUpEphemeralInstallerActivityLP(mEphemeralInstallerComponent); 2545 mEphemeralResolverConnection = 2546 new EphemeralResolverConnection(mContext, mEphemeralResolverComponent); 2547 } else { 2548 if (DEBUG_EPHEMERAL) { 2549 final String missingComponent = 2550 (ephemeralResolverComponent == null) 2551 ? (ephemeralInstallerComponent == null) 2552 ? "resolver and installer" 2553 : "resolver" 2554 : "installer"; 2555 Slog.i(TAG, "Ephemeral deactivated; missing " + missingComponent); 2556 } 2557 mEphemeralResolverComponent = null; 2558 mEphemeralInstallerComponent = null; 2559 mEphemeralResolverConnection = null; 2560 } 2561 2562 mEphemeralApplicationRegistry = new EphemeralApplicationRegistry(this); 2563 } // synchronized (mPackages) 2564 } // synchronized (mInstallLock) 2565 2566 // Now after opening every single application zip, make sure they 2567 // are all flushed. Not really needed, but keeps things nice and 2568 // tidy. 2569 Runtime.getRuntime().gc(); 2570 2571 // The initial scanning above does many calls into installd while 2572 // holding the mPackages lock, but we're mostly interested in yelling 2573 // once we have a booted system. 2574 mInstaller.setWarnIfHeld(mPackages); 2575 2576 // Expose private service for system components to use. 2577 LocalServices.addService(PackageManagerInternal.class, new PackageManagerInternalImpl()); 2578 } 2579 2580 @Override 2581 public boolean isFirstBoot() { 2582 return !mRestoredSettings; 2583 } 2584 2585 @Override 2586 public boolean isOnlyCoreApps() { 2587 return mOnlyCore; 2588 } 2589 2590 @Override 2591 public boolean isUpgrade() { 2592 return mIsUpgrade; 2593 } 2594 2595 private @Nullable String getRequiredButNotReallyRequiredVerifierLPr() { 2596 final Intent intent = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 2597 2598 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 2599 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2600 UserHandle.USER_SYSTEM); 2601 if (matches.size() == 1) { 2602 return matches.get(0).getComponentInfo().packageName; 2603 } else { 2604 Log.e(TAG, "There should probably be exactly one verifier; found " + matches); 2605 return null; 2606 } 2607 } 2608 2609 private @NonNull String getRequiredInstallerLPr() { 2610 final Intent intent = new Intent(Intent.ACTION_INSTALL_PACKAGE); 2611 intent.addCategory(Intent.CATEGORY_DEFAULT); 2612 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2613 2614 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 2615 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2616 UserHandle.USER_SYSTEM); 2617 if (matches.size() == 1) { 2618 return matches.get(0).getComponentInfo().packageName; 2619 } else { 2620 throw new RuntimeException("There must be exactly one installer; found " + matches); 2621 } 2622 } 2623 2624 private @NonNull ComponentName getIntentFilterVerifierComponentNameLPr() { 2625 final Intent intent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 2626 2627 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 2628 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2629 UserHandle.USER_SYSTEM); 2630 ResolveInfo best = null; 2631 final int N = matches.size(); 2632 for (int i = 0; i < N; i++) { 2633 final ResolveInfo cur = matches.get(i); 2634 final String packageName = cur.getComponentInfo().packageName; 2635 if (checkPermission(android.Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 2636 packageName, UserHandle.USER_SYSTEM) != PackageManager.PERMISSION_GRANTED) { 2637 continue; 2638 } 2639 2640 if (best == null || cur.priority > best.priority) { 2641 best = cur; 2642 } 2643 } 2644 2645 if (best != null) { 2646 return best.getComponentInfo().getComponentName(); 2647 } else { 2648 throw new RuntimeException("There must be at least one intent filter verifier"); 2649 } 2650 } 2651 2652 private @Nullable ComponentName getEphemeralResolverLPr() { 2653 final String[] packageArray = 2654 mContext.getResources().getStringArray(R.array.config_ephemeralResolverPackage); 2655 if (packageArray.length == 0) { 2656 if (DEBUG_EPHEMERAL) { 2657 Slog.d(TAG, "Ephemeral resolver NOT found; empty package list"); 2658 } 2659 return null; 2660 } 2661 2662 final Intent resolverIntent = new Intent(Intent.ACTION_RESOLVE_EPHEMERAL_PACKAGE); 2663 final List<ResolveInfo> resolvers = queryIntentServicesInternal(resolverIntent, null, 2664 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2665 UserHandle.USER_SYSTEM); 2666 2667 final int N = resolvers.size(); 2668 if (N == 0) { 2669 if (DEBUG_EPHEMERAL) { 2670 Slog.d(TAG, "Ephemeral resolver NOT found; no matching intent filters"); 2671 } 2672 return null; 2673 } 2674 2675 final Set<String> possiblePackages = new ArraySet<>(Arrays.asList(packageArray)); 2676 for (int i = 0; i < N; i++) { 2677 final ResolveInfo info = resolvers.get(i); 2678 2679 if (info.serviceInfo == null) { 2680 continue; 2681 } 2682 2683 final String packageName = info.serviceInfo.packageName; 2684 if (!possiblePackages.contains(packageName)) { 2685 if (DEBUG_EPHEMERAL) { 2686 Slog.d(TAG, "Ephemeral resolver not in allowed package list;" 2687 + " pkg: " + packageName + ", info:" + info); 2688 } 2689 continue; 2690 } 2691 2692 if (DEBUG_EPHEMERAL) { 2693 Slog.v(TAG, "Ephemeral resolver found;" 2694 + " pkg: " + packageName + ", info:" + info); 2695 } 2696 return new ComponentName(packageName, info.serviceInfo.name); 2697 } 2698 if (DEBUG_EPHEMERAL) { 2699 Slog.v(TAG, "Ephemeral resolver NOT found"); 2700 } 2701 return null; 2702 } 2703 2704 private @Nullable ComponentName getEphemeralInstallerLPr() { 2705 final Intent intent = new Intent(Intent.ACTION_INSTALL_EPHEMERAL_PACKAGE); 2706 intent.addCategory(Intent.CATEGORY_DEFAULT); 2707 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2708 2709 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 2710 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2711 UserHandle.USER_SYSTEM); 2712 if (matches.size() == 0) { 2713 return null; 2714 } else if (matches.size() == 1) { 2715 return matches.get(0).getComponentInfo().getComponentName(); 2716 } else { 2717 throw new RuntimeException( 2718 "There must be at most one ephemeral installer; found " + matches); 2719 } 2720 } 2721 2722 private void primeDomainVerificationsLPw(int userId) { 2723 if (DEBUG_DOMAIN_VERIFICATION) { 2724 Slog.d(TAG, "Priming domain verifications in user " + userId); 2725 } 2726 2727 SystemConfig systemConfig = SystemConfig.getInstance(); 2728 ArraySet<String> packages = systemConfig.getLinkedApps(); 2729 ArraySet<String> domains = new ArraySet<String>(); 2730 2731 for (String packageName : packages) { 2732 PackageParser.Package pkg = mPackages.get(packageName); 2733 if (pkg != null) { 2734 if (!pkg.isSystemApp()) { 2735 Slog.w(TAG, "Non-system app '" + packageName + "' in sysconfig <app-link>"); 2736 continue; 2737 } 2738 2739 domains.clear(); 2740 for (PackageParser.Activity a : pkg.activities) { 2741 for (ActivityIntentInfo filter : a.intents) { 2742 if (hasValidDomains(filter)) { 2743 domains.addAll(filter.getHostsList()); 2744 } 2745 } 2746 } 2747 2748 if (domains.size() > 0) { 2749 if (DEBUG_DOMAIN_VERIFICATION) { 2750 Slog.v(TAG, " + " + packageName); 2751 } 2752 // 'Undefined' in the global IntentFilterVerificationInfo, i.e. the usual 2753 // state w.r.t. the formal app-linkage "no verification attempted" state; 2754 // and then 'always' in the per-user state actually used for intent resolution. 2755 final IntentFilterVerificationInfo ivi; 2756 ivi = mSettings.createIntentFilterVerificationIfNeededLPw(packageName, 2757 new ArrayList<String>(domains)); 2758 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED); 2759 mSettings.updateIntentFilterVerificationStatusLPw(packageName, 2760 INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, userId); 2761 } else { 2762 Slog.w(TAG, "Sysconfig <app-link> package '" + packageName 2763 + "' does not handle web links"); 2764 } 2765 } else { 2766 Slog.w(TAG, "Unknown package " + packageName + " in sysconfig <app-link>"); 2767 } 2768 } 2769 2770 scheduleWritePackageRestrictionsLocked(userId); 2771 scheduleWriteSettingsLocked(); 2772 } 2773 2774 private void applyFactoryDefaultBrowserLPw(int userId) { 2775 // The default browser app's package name is stored in a string resource, 2776 // with a product-specific overlay used for vendor customization. 2777 String browserPkg = mContext.getResources().getString( 2778 com.android.internal.R.string.default_browser); 2779 if (!TextUtils.isEmpty(browserPkg)) { 2780 // non-empty string => required to be a known package 2781 PackageSetting ps = mSettings.mPackages.get(browserPkg); 2782 if (ps == null) { 2783 Slog.e(TAG, "Product default browser app does not exist: " + browserPkg); 2784 browserPkg = null; 2785 } else { 2786 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 2787 } 2788 } 2789 2790 // Nothing valid explicitly set? Make the factory-installed browser the explicit 2791 // default. If there's more than one, just leave everything alone. 2792 if (browserPkg == null) { 2793 calculateDefaultBrowserLPw(userId); 2794 } 2795 } 2796 2797 private void calculateDefaultBrowserLPw(int userId) { 2798 List<String> allBrowsers = resolveAllBrowserApps(userId); 2799 final String browserPkg = (allBrowsers.size() == 1) ? allBrowsers.get(0) : null; 2800 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 2801 } 2802 2803 private List<String> resolveAllBrowserApps(int userId) { 2804 // Resolve the canonical browser intent and check that the handleAllWebDataURI boolean is set 2805 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 2806 PackageManager.MATCH_ALL, userId); 2807 2808 final int count = list.size(); 2809 List<String> result = new ArrayList<String>(count); 2810 for (int i=0; i<count; i++) { 2811 ResolveInfo info = list.get(i); 2812 if (info.activityInfo == null 2813 || !info.handleAllWebDataURI 2814 || (info.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 0 2815 || result.contains(info.activityInfo.packageName)) { 2816 continue; 2817 } 2818 result.add(info.activityInfo.packageName); 2819 } 2820 2821 return result; 2822 } 2823 2824 private boolean packageIsBrowser(String packageName, int userId) { 2825 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 2826 PackageManager.MATCH_ALL, userId); 2827 final int N = list.size(); 2828 for (int i = 0; i < N; i++) { 2829 ResolveInfo info = list.get(i); 2830 if (packageName.equals(info.activityInfo.packageName)) { 2831 return true; 2832 } 2833 } 2834 return false; 2835 } 2836 2837 private void checkDefaultBrowser() { 2838 final int myUserId = UserHandle.myUserId(); 2839 final String packageName = getDefaultBrowserPackageName(myUserId); 2840 if (packageName != null) { 2841 PackageInfo info = getPackageInfo(packageName, 0, myUserId); 2842 if (info == null) { 2843 Slog.w(TAG, "Default browser no longer installed: " + packageName); 2844 synchronized (mPackages) { 2845 applyFactoryDefaultBrowserLPw(myUserId); // leaves ambiguous when > 1 2846 } 2847 } 2848 } 2849 } 2850 2851 @Override 2852 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 2853 throws RemoteException { 2854 try { 2855 return super.onTransact(code, data, reply, flags); 2856 } catch (RuntimeException e) { 2857 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 2858 Slog.wtf(TAG, "Package Manager Crash", e); 2859 } 2860 throw e; 2861 } 2862 } 2863 2864 void cleanupInstallFailedPackage(PackageSetting ps) { 2865 logCriticalInfo(Log.WARN, "Cleaning up incompletely installed app: " + ps.name); 2866 2867 removeDataDirsLI(ps.volumeUuid, ps.name); 2868 if (ps.codePath != null) { 2869 removeCodePathLI(ps.codePath); 2870 } 2871 if (ps.resourcePath != null && !ps.resourcePath.equals(ps.codePath)) { 2872 if (ps.resourcePath.isDirectory()) { 2873 FileUtils.deleteContents(ps.resourcePath); 2874 } 2875 ps.resourcePath.delete(); 2876 } 2877 mSettings.removePackageLPw(ps.name); 2878 } 2879 2880 static int[] appendInts(int[] cur, int[] add) { 2881 if (add == null) return cur; 2882 if (cur == null) return add; 2883 final int N = add.length; 2884 for (int i=0; i<N; i++) { 2885 cur = appendInt(cur, add[i]); 2886 } 2887 return cur; 2888 } 2889 2890 private PackageInfo generatePackageInfo(PackageSetting ps, int flags, int userId) { 2891 if (!sUserManager.exists(userId)) return null; 2892 if (ps == null) { 2893 return null; 2894 } 2895 final PackageParser.Package p = ps.pkg; 2896 if (p == null) { 2897 return null; 2898 } 2899 2900 final PermissionsState permissionsState = ps.getPermissionsState(); 2901 2902 final int[] gids = permissionsState.computeGids(userId); 2903 final Set<String> permissions = permissionsState.getPermissions(userId); 2904 final PackageUserState state = ps.readUserState(userId); 2905 2906 return PackageParser.generatePackageInfo(p, gids, flags, 2907 ps.firstInstallTime, ps.lastUpdateTime, permissions, state, userId); 2908 } 2909 2910 @Override 2911 public void checkPackageStartable(String packageName, int userId) { 2912 final boolean userKeyUnlocked = isUserKeyUnlocked(userId); 2913 2914 synchronized (mPackages) { 2915 final PackageSetting ps = mSettings.mPackages.get(packageName); 2916 if (ps == null) { 2917 throw new SecurityException("Package " + packageName + " was not found!"); 2918 } 2919 2920 if (!ps.getInstalled(userId)) { 2921 throw new SecurityException( 2922 "Package " + packageName + " was not installed for user " + userId + "!"); 2923 } 2924 2925 if (mSafeMode && !ps.isSystem()) { 2926 throw new SecurityException("Package " + packageName + " not a system app!"); 2927 } 2928 2929 if (ps.frozen) { 2930 throw new SecurityException("Package " + packageName + " is currently frozen!"); 2931 } 2932 2933 if (!userKeyUnlocked && !(ps.pkg.applicationInfo.isDirectBootAware() 2934 || ps.pkg.applicationInfo.isPartiallyDirectBootAware())) { 2935 throw new SecurityException("Package " + packageName + " is not encryption aware!"); 2936 } 2937 } 2938 } 2939 2940 @Override 2941 public boolean isPackageAvailable(String packageName, int userId) { 2942 if (!sUserManager.exists(userId)) return false; 2943 enforceCrossUserPermission(Binder.getCallingUid(), userId, 2944 false /* requireFullPermission */, false /* checkShell */, "is package available"); 2945 synchronized (mPackages) { 2946 PackageParser.Package p = mPackages.get(packageName); 2947 if (p != null) { 2948 final PackageSetting ps = (PackageSetting) p.mExtras; 2949 if (ps != null) { 2950 final PackageUserState state = ps.readUserState(userId); 2951 if (state != null) { 2952 return PackageParser.isAvailable(state); 2953 } 2954 } 2955 } 2956 } 2957 return false; 2958 } 2959 2960 @Override 2961 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 2962 if (!sUserManager.exists(userId)) return null; 2963 flags = updateFlagsForPackage(flags, userId, packageName); 2964 enforceCrossUserPermission(Binder.getCallingUid(), userId, 2965 false /* requireFullPermission */, false /* checkShell */, "get package info"); 2966 // reader 2967 synchronized (mPackages) { 2968 final boolean matchFactoryOnly = (flags & MATCH_FACTORY_ONLY) != 0; 2969 PackageParser.Package p = null; 2970 if (matchFactoryOnly) { 2971 final PackageSetting ps = mSettings.getDisabledSystemPkgLPr(packageName); 2972 if (ps != null) { 2973 return generatePackageInfo(ps, flags, userId); 2974 } 2975 } 2976 if (p == null) { 2977 p = mPackages.get(packageName); 2978 if (matchFactoryOnly && !isSystemApp(p)) { 2979 return null; 2980 } 2981 } 2982 if (DEBUG_PACKAGE_INFO) 2983 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 2984 if (p != null) { 2985 return generatePackageInfo((PackageSetting)p.mExtras, flags, userId); 2986 } 2987 if (!matchFactoryOnly && (flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 2988 final PackageSetting ps = mSettings.mPackages.get(packageName); 2989 return generatePackageInfo(ps, flags, userId); 2990 } 2991 } 2992 return null; 2993 } 2994 2995 @Override 2996 public String[] currentToCanonicalPackageNames(String[] names) { 2997 String[] out = new String[names.length]; 2998 // reader 2999 synchronized (mPackages) { 3000 for (int i=names.length-1; i>=0; i--) { 3001 PackageSetting ps = mSettings.mPackages.get(names[i]); 3002 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 3003 } 3004 } 3005 return out; 3006 } 3007 3008 @Override 3009 public String[] canonicalToCurrentPackageNames(String[] names) { 3010 String[] out = new String[names.length]; 3011 // reader 3012 synchronized (mPackages) { 3013 for (int i=names.length-1; i>=0; i--) { 3014 String cur = mSettings.mRenamedPackages.get(names[i]); 3015 out[i] = cur != null ? cur : names[i]; 3016 } 3017 } 3018 return out; 3019 } 3020 3021 @Override 3022 public int getPackageUid(String packageName, int flags, int userId) { 3023 if (!sUserManager.exists(userId)) return -1; 3024 flags = updateFlagsForPackage(flags, userId, packageName); 3025 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3026 false /* requireFullPermission */, false /* checkShell */, "get package uid"); 3027 3028 // reader 3029 synchronized (mPackages) { 3030 final PackageParser.Package p = mPackages.get(packageName); 3031 if (p != null && p.isMatch(flags)) { 3032 return UserHandle.getUid(userId, p.applicationInfo.uid); 3033 } 3034 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3035 final PackageSetting ps = mSettings.mPackages.get(packageName); 3036 if (ps != null && ps.isMatch(flags)) { 3037 return UserHandle.getUid(userId, ps.appId); 3038 } 3039 } 3040 } 3041 3042 return -1; 3043 } 3044 3045 @Override 3046 public int[] getPackageGids(String packageName, int flags, int userId) { 3047 if (!sUserManager.exists(userId)) return null; 3048 flags = updateFlagsForPackage(flags, userId, packageName); 3049 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3050 false /* requireFullPermission */, false /* checkShell */, 3051 "getPackageGids"); 3052 3053 // reader 3054 synchronized (mPackages) { 3055 final PackageParser.Package p = mPackages.get(packageName); 3056 if (p != null && p.isMatch(flags)) { 3057 PackageSetting ps = (PackageSetting) p.mExtras; 3058 return ps.getPermissionsState().computeGids(userId); 3059 } 3060 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3061 final PackageSetting ps = mSettings.mPackages.get(packageName); 3062 if (ps != null && ps.isMatch(flags)) { 3063 return ps.getPermissionsState().computeGids(userId); 3064 } 3065 } 3066 } 3067 3068 return null; 3069 } 3070 3071 static PermissionInfo generatePermissionInfo(BasePermission bp, int flags) { 3072 if (bp.perm != null) { 3073 return PackageParser.generatePermissionInfo(bp.perm, flags); 3074 } 3075 PermissionInfo pi = new PermissionInfo(); 3076 pi.name = bp.name; 3077 pi.packageName = bp.sourcePackage; 3078 pi.nonLocalizedLabel = bp.name; 3079 pi.protectionLevel = bp.protectionLevel; 3080 return pi; 3081 } 3082 3083 @Override 3084 public PermissionInfo getPermissionInfo(String name, int flags) { 3085 // reader 3086 synchronized (mPackages) { 3087 final BasePermission p = mSettings.mPermissions.get(name); 3088 if (p != null) { 3089 return generatePermissionInfo(p, flags); 3090 } 3091 return null; 3092 } 3093 } 3094 3095 @Override 3096 public @Nullable ParceledListSlice<PermissionInfo> queryPermissionsByGroup(String group, 3097 int flags) { 3098 // reader 3099 synchronized (mPackages) { 3100 if (group != null && !mPermissionGroups.containsKey(group)) { 3101 // This is thrown as NameNotFoundException 3102 return null; 3103 } 3104 3105 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 3106 for (BasePermission p : mSettings.mPermissions.values()) { 3107 if (group == null) { 3108 if (p.perm == null || p.perm.info.group == null) { 3109 out.add(generatePermissionInfo(p, flags)); 3110 } 3111 } else { 3112 if (p.perm != null && group.equals(p.perm.info.group)) { 3113 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 3114 } 3115 } 3116 } 3117 return new ParceledListSlice<>(out); 3118 } 3119 } 3120 3121 @Override 3122 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 3123 // reader 3124 synchronized (mPackages) { 3125 return PackageParser.generatePermissionGroupInfo( 3126 mPermissionGroups.get(name), flags); 3127 } 3128 } 3129 3130 @Override 3131 public @NonNull ParceledListSlice<PermissionGroupInfo> getAllPermissionGroups(int flags) { 3132 // reader 3133 synchronized (mPackages) { 3134 final int N = mPermissionGroups.size(); 3135 ArrayList<PermissionGroupInfo> out 3136 = new ArrayList<PermissionGroupInfo>(N); 3137 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 3138 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 3139 } 3140 return new ParceledListSlice<>(out); 3141 } 3142 } 3143 3144 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 3145 int userId) { 3146 if (!sUserManager.exists(userId)) return null; 3147 PackageSetting ps = mSettings.mPackages.get(packageName); 3148 if (ps != null) { 3149 if (ps.pkg == null) { 3150 final PackageInfo pInfo = generatePackageInfo(ps, flags, userId); 3151 if (pInfo != null) { 3152 return pInfo.applicationInfo; 3153 } 3154 return null; 3155 } 3156 return PackageParser.generateApplicationInfo(ps.pkg, flags, 3157 ps.readUserState(userId), userId); 3158 } 3159 return null; 3160 } 3161 3162 @Override 3163 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 3164 if (!sUserManager.exists(userId)) return null; 3165 flags = updateFlagsForApplication(flags, userId, packageName); 3166 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3167 false /* requireFullPermission */, false /* checkShell */, "get application info"); 3168 // writer 3169 synchronized (mPackages) { 3170 PackageParser.Package p = mPackages.get(packageName); 3171 if (DEBUG_PACKAGE_INFO) Log.v( 3172 TAG, "getApplicationInfo " + packageName 3173 + ": " + p); 3174 if (p != null) { 3175 PackageSetting ps = mSettings.mPackages.get(packageName); 3176 if (ps == null) return null; 3177 // Note: isEnabledLP() does not apply here - always return info 3178 return PackageParser.generateApplicationInfo( 3179 p, flags, ps.readUserState(userId), userId); 3180 } 3181 if ("android".equals(packageName)||"system".equals(packageName)) { 3182 return mAndroidApplication; 3183 } 3184 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3185 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 3186 } 3187 } 3188 return null; 3189 } 3190 3191 @Override 3192 public void freeStorageAndNotify(final String volumeUuid, final long freeStorageSize, 3193 final IPackageDataObserver observer) { 3194 mContext.enforceCallingOrSelfPermission( 3195 android.Manifest.permission.CLEAR_APP_CACHE, null); 3196 // Queue up an async operation since clearing cache may take a little while. 3197 mHandler.post(new Runnable() { 3198 public void run() { 3199 mHandler.removeCallbacks(this); 3200 boolean success = true; 3201 synchronized (mInstallLock) { 3202 try { 3203 mInstaller.freeCache(volumeUuid, freeStorageSize); 3204 } catch (InstallerException e) { 3205 Slog.w(TAG, "Couldn't clear application caches: " + e); 3206 success = false; 3207 } 3208 } 3209 if (observer != null) { 3210 try { 3211 observer.onRemoveCompleted(null, success); 3212 } catch (RemoteException e) { 3213 Slog.w(TAG, "RemoveException when invoking call back"); 3214 } 3215 } 3216 } 3217 }); 3218 } 3219 3220 @Override 3221 public void freeStorage(final String volumeUuid, final long freeStorageSize, 3222 final IntentSender pi) { 3223 mContext.enforceCallingOrSelfPermission( 3224 android.Manifest.permission.CLEAR_APP_CACHE, null); 3225 // Queue up an async operation since clearing cache may take a little while. 3226 mHandler.post(new Runnable() { 3227 public void run() { 3228 mHandler.removeCallbacks(this); 3229 boolean success = true; 3230 synchronized (mInstallLock) { 3231 try { 3232 mInstaller.freeCache(volumeUuid, freeStorageSize); 3233 } catch (InstallerException e) { 3234 Slog.w(TAG, "Couldn't clear application caches: " + e); 3235 success = false; 3236 } 3237 } 3238 if(pi != null) { 3239 try { 3240 // Callback via pending intent 3241 int code = success ? 1 : 0; 3242 pi.sendIntent(null, code, null, 3243 null, null); 3244 } catch (SendIntentException e1) { 3245 Slog.i(TAG, "Failed to send pending intent"); 3246 } 3247 } 3248 } 3249 }); 3250 } 3251 3252 void freeStorage(String volumeUuid, long freeStorageSize) throws IOException { 3253 synchronized (mInstallLock) { 3254 try { 3255 mInstaller.freeCache(volumeUuid, freeStorageSize); 3256 } catch (InstallerException e) { 3257 throw new IOException("Failed to free enough space", e); 3258 } 3259 } 3260 } 3261 3262 /** 3263 * Return if the user key is currently unlocked. 3264 */ 3265 private boolean isUserKeyUnlocked(int userId) { 3266 if (StorageManager.isFileEncryptedNativeOrEmulated()) { 3267 final IMountService mount = IMountService.Stub 3268 .asInterface(ServiceManager.getService("mount")); 3269 if (mount == null) { 3270 Slog.w(TAG, "Early during boot, assuming locked"); 3271 return false; 3272 } 3273 final long token = Binder.clearCallingIdentity(); 3274 try { 3275 return mount.isUserKeyUnlocked(userId); 3276 } catch (RemoteException e) { 3277 throw e.rethrowAsRuntimeException(); 3278 } finally { 3279 Binder.restoreCallingIdentity(token); 3280 } 3281 } else { 3282 return true; 3283 } 3284 } 3285 3286 /** 3287 * Update given flags based on encryption status of current user. 3288 */ 3289 private int updateFlags(int flags, int userId) { 3290 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3291 | PackageManager.MATCH_DIRECT_BOOT_AWARE)) != 0) { 3292 // Caller expressed an explicit opinion about what encryption 3293 // aware/unaware components they want to see, so fall through and 3294 // give them what they want 3295 } else { 3296 // Caller expressed no opinion, so match based on user state 3297 if (isUserKeyUnlocked(userId)) { 3298 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE; 3299 } else { 3300 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE; 3301 } 3302 } 3303 return flags; 3304 } 3305 3306 /** 3307 * Update given flags when being used to request {@link PackageInfo}. 3308 */ 3309 private int updateFlagsForPackage(int flags, int userId, Object cookie) { 3310 boolean triaged = true; 3311 if ((flags & (PackageManager.GET_ACTIVITIES | PackageManager.GET_RECEIVERS 3312 | PackageManager.GET_SERVICES | PackageManager.GET_PROVIDERS)) != 0) { 3313 // Caller is asking for component details, so they'd better be 3314 // asking for specific encryption matching behavior, or be triaged 3315 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3316 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3317 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3318 triaged = false; 3319 } 3320 } 3321 if ((flags & (PackageManager.MATCH_UNINSTALLED_PACKAGES 3322 | PackageManager.MATCH_SYSTEM_ONLY 3323 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3324 triaged = false; 3325 } 3326 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3327 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3328 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3329 } 3330 return updateFlags(flags, userId); 3331 } 3332 3333 /** 3334 * Update given flags when being used to request {@link ApplicationInfo}. 3335 */ 3336 private int updateFlagsForApplication(int flags, int userId, Object cookie) { 3337 return updateFlagsForPackage(flags, userId, cookie); 3338 } 3339 3340 /** 3341 * Update given flags when being used to request {@link ComponentInfo}. 3342 */ 3343 private int updateFlagsForComponent(int flags, int userId, Object cookie) { 3344 if (cookie instanceof Intent) { 3345 if ((((Intent) cookie).getFlags() & Intent.FLAG_DEBUG_TRIAGED_MISSING) != 0) { 3346 flags |= PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 3347 } 3348 } 3349 3350 boolean triaged = true; 3351 // Caller is asking for component details, so they'd better be 3352 // asking for specific encryption matching behavior, or be triaged 3353 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3354 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3355 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3356 triaged = false; 3357 } 3358 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3359 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3360 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3361 } 3362 3363 return updateFlags(flags, userId); 3364 } 3365 3366 /** 3367 * Update given flags when being used to request {@link ResolveInfo}. 3368 */ 3369 int updateFlagsForResolve(int flags, int userId, Object cookie) { 3370 // Safe mode means we shouldn't match any third-party components 3371 if (mSafeMode) { 3372 flags |= PackageManager.MATCH_SYSTEM_ONLY; 3373 } 3374 3375 return updateFlagsForComponent(flags, userId, cookie); 3376 } 3377 3378 @Override 3379 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 3380 if (!sUserManager.exists(userId)) return null; 3381 flags = updateFlagsForComponent(flags, userId, component); 3382 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3383 false /* requireFullPermission */, false /* checkShell */, "get activity info"); 3384 synchronized (mPackages) { 3385 PackageParser.Activity a = mActivities.mActivities.get(component); 3386 3387 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 3388 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3389 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3390 if (ps == null) return null; 3391 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3392 userId); 3393 } 3394 if (mResolveComponentName.equals(component)) { 3395 return PackageParser.generateActivityInfo(mResolveActivity, flags, 3396 new PackageUserState(), userId); 3397 } 3398 } 3399 return null; 3400 } 3401 3402 @Override 3403 public boolean activitySupportsIntent(ComponentName component, Intent intent, 3404 String resolvedType) { 3405 synchronized (mPackages) { 3406 if (component.equals(mResolveComponentName)) { 3407 // The resolver supports EVERYTHING! 3408 return true; 3409 } 3410 PackageParser.Activity a = mActivities.mActivities.get(component); 3411 if (a == null) { 3412 return false; 3413 } 3414 for (int i=0; i<a.intents.size(); i++) { 3415 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 3416 intent.getData(), intent.getCategories(), TAG) >= 0) { 3417 return true; 3418 } 3419 } 3420 return false; 3421 } 3422 } 3423 3424 @Override 3425 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 3426 if (!sUserManager.exists(userId)) return null; 3427 flags = updateFlagsForComponent(flags, userId, component); 3428 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3429 false /* requireFullPermission */, false /* checkShell */, "get receiver info"); 3430 synchronized (mPackages) { 3431 PackageParser.Activity a = mReceivers.mActivities.get(component); 3432 if (DEBUG_PACKAGE_INFO) Log.v( 3433 TAG, "getReceiverInfo " + component + ": " + a); 3434 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3435 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3436 if (ps == null) return null; 3437 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3438 userId); 3439 } 3440 } 3441 return null; 3442 } 3443 3444 @Override 3445 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 3446 if (!sUserManager.exists(userId)) return null; 3447 flags = updateFlagsForComponent(flags, userId, component); 3448 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3449 false /* requireFullPermission */, false /* checkShell */, "get service info"); 3450 synchronized (mPackages) { 3451 PackageParser.Service s = mServices.mServices.get(component); 3452 if (DEBUG_PACKAGE_INFO) Log.v( 3453 TAG, "getServiceInfo " + component + ": " + s); 3454 if (s != null && mSettings.isEnabledAndMatchLPr(s.info, flags, userId)) { 3455 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3456 if (ps == null) return null; 3457 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 3458 userId); 3459 } 3460 } 3461 return null; 3462 } 3463 3464 @Override 3465 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 3466 if (!sUserManager.exists(userId)) return null; 3467 flags = updateFlagsForComponent(flags, userId, component); 3468 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3469 false /* requireFullPermission */, false /* checkShell */, "get provider info"); 3470 synchronized (mPackages) { 3471 PackageParser.Provider p = mProviders.mProviders.get(component); 3472 if (DEBUG_PACKAGE_INFO) Log.v( 3473 TAG, "getProviderInfo " + component + ": " + p); 3474 if (p != null && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 3475 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3476 if (ps == null) return null; 3477 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 3478 userId); 3479 } 3480 } 3481 return null; 3482 } 3483 3484 @Override 3485 public String[] getSystemSharedLibraryNames() { 3486 Set<String> libSet; 3487 synchronized (mPackages) { 3488 libSet = mSharedLibraries.keySet(); 3489 int size = libSet.size(); 3490 if (size > 0) { 3491 String[] libs = new String[size]; 3492 libSet.toArray(libs); 3493 return libs; 3494 } 3495 } 3496 return null; 3497 } 3498 3499 @Override 3500 public @Nullable String getServicesSystemSharedLibraryPackageName() { 3501 synchronized (mPackages) { 3502 SharedLibraryEntry libraryEntry = mSharedLibraries.get( 3503 PackageManager.SYSTEM_SHARED_LIBRARY_SERVICES); 3504 if (libraryEntry != null) { 3505 return libraryEntry.apk; 3506 } 3507 } 3508 return null; 3509 } 3510 3511 @Override 3512 public @NonNull ParceledListSlice<FeatureInfo> getSystemAvailableFeatures() { 3513 synchronized (mPackages) { 3514 final ArrayList<FeatureInfo> res = new ArrayList<>(mAvailableFeatures.values()); 3515 3516 final FeatureInfo fi = new FeatureInfo(); 3517 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 3518 FeatureInfo.GL_ES_VERSION_UNDEFINED); 3519 res.add(fi); 3520 3521 return new ParceledListSlice<>(res); 3522 } 3523 } 3524 3525 @Override 3526 public boolean hasSystemFeature(String name, int version) { 3527 synchronized (mPackages) { 3528 final FeatureInfo feat = mAvailableFeatures.get(name); 3529 if (feat == null) { 3530 return false; 3531 } else { 3532 return feat.version >= version; 3533 } 3534 } 3535 } 3536 3537 @Override 3538 public int checkPermission(String permName, String pkgName, int userId) { 3539 if (!sUserManager.exists(userId)) { 3540 return PackageManager.PERMISSION_DENIED; 3541 } 3542 3543 synchronized (mPackages) { 3544 final PackageParser.Package p = mPackages.get(pkgName); 3545 if (p != null && p.mExtras != null) { 3546 final PackageSetting ps = (PackageSetting) p.mExtras; 3547 final PermissionsState permissionsState = ps.getPermissionsState(); 3548 if (permissionsState.hasPermission(permName, userId)) { 3549 return PackageManager.PERMISSION_GRANTED; 3550 } 3551 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3552 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3553 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3554 return PackageManager.PERMISSION_GRANTED; 3555 } 3556 } 3557 } 3558 3559 return PackageManager.PERMISSION_DENIED; 3560 } 3561 3562 @Override 3563 public int checkUidPermission(String permName, int uid) { 3564 final int userId = UserHandle.getUserId(uid); 3565 3566 if (!sUserManager.exists(userId)) { 3567 return PackageManager.PERMISSION_DENIED; 3568 } 3569 3570 synchronized (mPackages) { 3571 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 3572 if (obj != null) { 3573 final SettingBase ps = (SettingBase) obj; 3574 final PermissionsState permissionsState = ps.getPermissionsState(); 3575 if (permissionsState.hasPermission(permName, userId)) { 3576 return PackageManager.PERMISSION_GRANTED; 3577 } 3578 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3579 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3580 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3581 return PackageManager.PERMISSION_GRANTED; 3582 } 3583 } else { 3584 ArraySet<String> perms = mSystemPermissions.get(uid); 3585 if (perms != null) { 3586 if (perms.contains(permName)) { 3587 return PackageManager.PERMISSION_GRANTED; 3588 } 3589 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && perms 3590 .contains(Manifest.permission.ACCESS_FINE_LOCATION)) { 3591 return PackageManager.PERMISSION_GRANTED; 3592 } 3593 } 3594 } 3595 } 3596 3597 return PackageManager.PERMISSION_DENIED; 3598 } 3599 3600 @Override 3601 public boolean isPermissionRevokedByPolicy(String permission, String packageName, int userId) { 3602 if (UserHandle.getCallingUserId() != userId) { 3603 mContext.enforceCallingPermission( 3604 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 3605 "isPermissionRevokedByPolicy for user " + userId); 3606 } 3607 3608 if (checkPermission(permission, packageName, userId) 3609 == PackageManager.PERMISSION_GRANTED) { 3610 return false; 3611 } 3612 3613 final long identity = Binder.clearCallingIdentity(); 3614 try { 3615 final int flags = getPermissionFlags(permission, packageName, userId); 3616 return (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0; 3617 } finally { 3618 Binder.restoreCallingIdentity(identity); 3619 } 3620 } 3621 3622 @Override 3623 public String getPermissionControllerPackageName() { 3624 synchronized (mPackages) { 3625 return mRequiredInstallerPackage; 3626 } 3627 } 3628 3629 /** 3630 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 3631 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 3632 * @param checkShell whether to prevent shell from access if there's a debugging restriction 3633 * @param message the message to log on security exception 3634 */ 3635 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 3636 boolean checkShell, String message) { 3637 if (userId < 0) { 3638 throw new IllegalArgumentException("Invalid userId " + userId); 3639 } 3640 if (checkShell) { 3641 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, userId); 3642 } 3643 if (userId == UserHandle.getUserId(callingUid)) return; 3644 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 3645 if (requireFullPermission) { 3646 mContext.enforceCallingOrSelfPermission( 3647 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3648 } else { 3649 try { 3650 mContext.enforceCallingOrSelfPermission( 3651 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3652 } catch (SecurityException se) { 3653 mContext.enforceCallingOrSelfPermission( 3654 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 3655 } 3656 } 3657 } 3658 } 3659 3660 void enforceShellRestriction(String restriction, int callingUid, int userHandle) { 3661 if (callingUid == Process.SHELL_UID) { 3662 if (userHandle >= 0 3663 && sUserManager.hasUserRestriction(restriction, userHandle)) { 3664 throw new SecurityException("Shell does not have permission to access user " 3665 + userHandle); 3666 } else if (userHandle < 0) { 3667 Slog.e(TAG, "Unable to check shell permission for user " + userHandle + "\n\t" 3668 + Debug.getCallers(3)); 3669 } 3670 } 3671 } 3672 3673 private BasePermission findPermissionTreeLP(String permName) { 3674 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 3675 if (permName.startsWith(bp.name) && 3676 permName.length() > bp.name.length() && 3677 permName.charAt(bp.name.length()) == '.') { 3678 return bp; 3679 } 3680 } 3681 return null; 3682 } 3683 3684 private BasePermission checkPermissionTreeLP(String permName) { 3685 if (permName != null) { 3686 BasePermission bp = findPermissionTreeLP(permName); 3687 if (bp != null) { 3688 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 3689 return bp; 3690 } 3691 throw new SecurityException("Calling uid " 3692 + Binder.getCallingUid() 3693 + " is not allowed to add to permission tree " 3694 + bp.name + " owned by uid " + bp.uid); 3695 } 3696 } 3697 throw new SecurityException("No permission tree found for " + permName); 3698 } 3699 3700 static boolean compareStrings(CharSequence s1, CharSequence s2) { 3701 if (s1 == null) { 3702 return s2 == null; 3703 } 3704 if (s2 == null) { 3705 return false; 3706 } 3707 if (s1.getClass() != s2.getClass()) { 3708 return false; 3709 } 3710 return s1.equals(s2); 3711 } 3712 3713 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 3714 if (pi1.icon != pi2.icon) return false; 3715 if (pi1.logo != pi2.logo) return false; 3716 if (pi1.protectionLevel != pi2.protectionLevel) return false; 3717 if (!compareStrings(pi1.name, pi2.name)) return false; 3718 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 3719 // We'll take care of setting this one. 3720 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 3721 // These are not currently stored in settings. 3722 //if (!compareStrings(pi1.group, pi2.group)) return false; 3723 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 3724 //if (pi1.labelRes != pi2.labelRes) return false; 3725 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 3726 return true; 3727 } 3728 3729 int permissionInfoFootprint(PermissionInfo info) { 3730 int size = info.name.length(); 3731 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 3732 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 3733 return size; 3734 } 3735 3736 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 3737 int size = 0; 3738 for (BasePermission perm : mSettings.mPermissions.values()) { 3739 if (perm.uid == tree.uid) { 3740 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 3741 } 3742 } 3743 return size; 3744 } 3745 3746 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 3747 // We calculate the max size of permissions defined by this uid and throw 3748 // if that plus the size of 'info' would exceed our stated maximum. 3749 if (tree.uid != Process.SYSTEM_UID) { 3750 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 3751 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 3752 throw new SecurityException("Permission tree size cap exceeded"); 3753 } 3754 } 3755 } 3756 3757 boolean addPermissionLocked(PermissionInfo info, boolean async) { 3758 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 3759 throw new SecurityException("Label must be specified in permission"); 3760 } 3761 BasePermission tree = checkPermissionTreeLP(info.name); 3762 BasePermission bp = mSettings.mPermissions.get(info.name); 3763 boolean added = bp == null; 3764 boolean changed = true; 3765 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 3766 if (added) { 3767 enforcePermissionCapLocked(info, tree); 3768 bp = new BasePermission(info.name, tree.sourcePackage, 3769 BasePermission.TYPE_DYNAMIC); 3770 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 3771 throw new SecurityException( 3772 "Not allowed to modify non-dynamic permission " 3773 + info.name); 3774 } else { 3775 if (bp.protectionLevel == fixedLevel 3776 && bp.perm.owner.equals(tree.perm.owner) 3777 && bp.uid == tree.uid 3778 && comparePermissionInfos(bp.perm.info, info)) { 3779 changed = false; 3780 } 3781 } 3782 bp.protectionLevel = fixedLevel; 3783 info = new PermissionInfo(info); 3784 info.protectionLevel = fixedLevel; 3785 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 3786 bp.perm.info.packageName = tree.perm.info.packageName; 3787 bp.uid = tree.uid; 3788 if (added) { 3789 mSettings.mPermissions.put(info.name, bp); 3790 } 3791 if (changed) { 3792 if (!async) { 3793 mSettings.writeLPr(); 3794 } else { 3795 scheduleWriteSettingsLocked(); 3796 } 3797 } 3798 return added; 3799 } 3800 3801 @Override 3802 public boolean addPermission(PermissionInfo info) { 3803 synchronized (mPackages) { 3804 return addPermissionLocked(info, false); 3805 } 3806 } 3807 3808 @Override 3809 public boolean addPermissionAsync(PermissionInfo info) { 3810 synchronized (mPackages) { 3811 return addPermissionLocked(info, true); 3812 } 3813 } 3814 3815 @Override 3816 public void removePermission(String name) { 3817 synchronized (mPackages) { 3818 checkPermissionTreeLP(name); 3819 BasePermission bp = mSettings.mPermissions.get(name); 3820 if (bp != null) { 3821 if (bp.type != BasePermission.TYPE_DYNAMIC) { 3822 throw new SecurityException( 3823 "Not allowed to modify non-dynamic permission " 3824 + name); 3825 } 3826 mSettings.mPermissions.remove(name); 3827 mSettings.writeLPr(); 3828 } 3829 } 3830 } 3831 3832 private static void enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(PackageParser.Package pkg, 3833 BasePermission bp) { 3834 int index = pkg.requestedPermissions.indexOf(bp.name); 3835 if (index == -1) { 3836 throw new SecurityException("Package " + pkg.packageName 3837 + " has not requested permission " + bp.name); 3838 } 3839 if (!bp.isRuntime() && !bp.isDevelopment()) { 3840 throw new SecurityException("Permission " + bp.name 3841 + " is not a changeable permission type"); 3842 } 3843 } 3844 3845 @Override 3846 public void grantRuntimePermission(String packageName, String name, final int userId) { 3847 if (!sUserManager.exists(userId)) { 3848 Log.e(TAG, "No such user:" + userId); 3849 return; 3850 } 3851 3852 mContext.enforceCallingOrSelfPermission( 3853 android.Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 3854 "grantRuntimePermission"); 3855 3856 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3857 true /* requireFullPermission */, true /* checkShell */, 3858 "grantRuntimePermission"); 3859 3860 final int uid; 3861 final SettingBase sb; 3862 3863 synchronized (mPackages) { 3864 final PackageParser.Package pkg = mPackages.get(packageName); 3865 if (pkg == null) { 3866 throw new IllegalArgumentException("Unknown package: " + packageName); 3867 } 3868 3869 final BasePermission bp = mSettings.mPermissions.get(name); 3870 if (bp == null) { 3871 throw new IllegalArgumentException("Unknown permission: " + name); 3872 } 3873 3874 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 3875 3876 // If a permission review is required for legacy apps we represent 3877 // their permissions as always granted runtime ones since we need 3878 // to keep the review required permission flag per user while an 3879 // install permission's state is shared across all users. 3880 if (Build.PERMISSIONS_REVIEW_REQUIRED 3881 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 3882 && bp.isRuntime()) { 3883 return; 3884 } 3885 3886 uid = UserHandle.getUid(userId, pkg.applicationInfo.uid); 3887 sb = (SettingBase) pkg.mExtras; 3888 if (sb == null) { 3889 throw new IllegalArgumentException("Unknown package: " + packageName); 3890 } 3891 3892 final PermissionsState permissionsState = sb.getPermissionsState(); 3893 3894 final int flags = permissionsState.getPermissionFlags(name, userId); 3895 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 3896 throw new SecurityException("Cannot grant system fixed permission " 3897 + name + " for package " + packageName); 3898 } 3899 3900 if (bp.isDevelopment()) { 3901 // Development permissions must be handled specially, since they are not 3902 // normal runtime permissions. For now they apply to all users. 3903 if (permissionsState.grantInstallPermission(bp) != 3904 PermissionsState.PERMISSION_OPERATION_FAILURE) { 3905 scheduleWriteSettingsLocked(); 3906 } 3907 return; 3908 } 3909 3910 if (pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 3911 Slog.w(TAG, "Cannot grant runtime permission to a legacy app"); 3912 return; 3913 } 3914 3915 final int result = permissionsState.grantRuntimePermission(bp, userId); 3916 switch (result) { 3917 case PermissionsState.PERMISSION_OPERATION_FAILURE: { 3918 return; 3919 } 3920 3921 case PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 3922 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 3923 mHandler.post(new Runnable() { 3924 @Override 3925 public void run() { 3926 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 3927 } 3928 }); 3929 } 3930 break; 3931 } 3932 3933 mOnPermissionChangeListeners.onPermissionsChanged(uid); 3934 3935 // Not critical if that is lost - app has to request again. 3936 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 3937 } 3938 3939 // Only need to do this if user is initialized. Otherwise it's a new user 3940 // and there are no processes running as the user yet and there's no need 3941 // to make an expensive call to remount processes for the changed permissions. 3942 if (READ_EXTERNAL_STORAGE.equals(name) 3943 || WRITE_EXTERNAL_STORAGE.equals(name)) { 3944 final long token = Binder.clearCallingIdentity(); 3945 try { 3946 if (sUserManager.isInitialized(userId)) { 3947 MountServiceInternal mountServiceInternal = LocalServices.getService( 3948 MountServiceInternal.class); 3949 mountServiceInternal.onExternalStoragePolicyChanged(uid, packageName); 3950 } 3951 } finally { 3952 Binder.restoreCallingIdentity(token); 3953 } 3954 } 3955 } 3956 3957 @Override 3958 public void revokeRuntimePermission(String packageName, String name, int userId) { 3959 if (!sUserManager.exists(userId)) { 3960 Log.e(TAG, "No such user:" + userId); 3961 return; 3962 } 3963 3964 mContext.enforceCallingOrSelfPermission( 3965 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 3966 "revokeRuntimePermission"); 3967 3968 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3969 true /* requireFullPermission */, true /* checkShell */, 3970 "revokeRuntimePermission"); 3971 3972 final int appId; 3973 3974 synchronized (mPackages) { 3975 final PackageParser.Package pkg = mPackages.get(packageName); 3976 if (pkg == null) { 3977 throw new IllegalArgumentException("Unknown package: " + packageName); 3978 } 3979 3980 final BasePermission bp = mSettings.mPermissions.get(name); 3981 if (bp == null) { 3982 throw new IllegalArgumentException("Unknown permission: " + name); 3983 } 3984 3985 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 3986 3987 // If a permission review is required for legacy apps we represent 3988 // their permissions as always granted runtime ones since we need 3989 // to keep the review required permission flag per user while an 3990 // install permission's state is shared across all users. 3991 if (Build.PERMISSIONS_REVIEW_REQUIRED 3992 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 3993 && bp.isRuntime()) { 3994 return; 3995 } 3996 3997 SettingBase sb = (SettingBase) pkg.mExtras; 3998 if (sb == null) { 3999 throw new IllegalArgumentException("Unknown package: " + packageName); 4000 } 4001 4002 final PermissionsState permissionsState = sb.getPermissionsState(); 4003 4004 final int flags = permissionsState.getPermissionFlags(name, userId); 4005 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4006 throw new SecurityException("Cannot revoke system fixed permission " 4007 + name + " for package " + packageName); 4008 } 4009 4010 if (bp.isDevelopment()) { 4011 // Development permissions must be handled specially, since they are not 4012 // normal runtime permissions. For now they apply to all users. 4013 if (permissionsState.revokeInstallPermission(bp) != 4014 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4015 scheduleWriteSettingsLocked(); 4016 } 4017 return; 4018 } 4019 4020 if (permissionsState.revokeRuntimePermission(bp, userId) == 4021 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4022 return; 4023 } 4024 4025 mOnPermissionChangeListeners.onPermissionsChanged(pkg.applicationInfo.uid); 4026 4027 // Critical, after this call app should never have the permission. 4028 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 4029 4030 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4031 } 4032 4033 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 4034 } 4035 4036 @Override 4037 public void resetRuntimePermissions() { 4038 mContext.enforceCallingOrSelfPermission( 4039 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4040 "revokeRuntimePermission"); 4041 4042 int callingUid = Binder.getCallingUid(); 4043 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 4044 mContext.enforceCallingOrSelfPermission( 4045 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4046 "resetRuntimePermissions"); 4047 } 4048 4049 synchronized (mPackages) { 4050 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL); 4051 for (int userId : UserManagerService.getInstance().getUserIds()) { 4052 final int packageCount = mPackages.size(); 4053 for (int i = 0; i < packageCount; i++) { 4054 PackageParser.Package pkg = mPackages.valueAt(i); 4055 if (!(pkg.mExtras instanceof PackageSetting)) { 4056 continue; 4057 } 4058 PackageSetting ps = (PackageSetting) pkg.mExtras; 4059 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 4060 } 4061 } 4062 } 4063 } 4064 4065 @Override 4066 public int getPermissionFlags(String name, String packageName, int userId) { 4067 if (!sUserManager.exists(userId)) { 4068 return 0; 4069 } 4070 4071 enforceGrantRevokeRuntimePermissionPermissions("getPermissionFlags"); 4072 4073 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4074 true /* requireFullPermission */, false /* checkShell */, 4075 "getPermissionFlags"); 4076 4077 synchronized (mPackages) { 4078 final PackageParser.Package pkg = mPackages.get(packageName); 4079 if (pkg == null) { 4080 throw new IllegalArgumentException("Unknown package: " + packageName); 4081 } 4082 4083 final BasePermission bp = mSettings.mPermissions.get(name); 4084 if (bp == null) { 4085 throw new IllegalArgumentException("Unknown permission: " + name); 4086 } 4087 4088 SettingBase sb = (SettingBase) pkg.mExtras; 4089 if (sb == null) { 4090 throw new IllegalArgumentException("Unknown package: " + packageName); 4091 } 4092 4093 PermissionsState permissionsState = sb.getPermissionsState(); 4094 return permissionsState.getPermissionFlags(name, userId); 4095 } 4096 } 4097 4098 @Override 4099 public void updatePermissionFlags(String name, String packageName, int flagMask, 4100 int flagValues, int userId) { 4101 if (!sUserManager.exists(userId)) { 4102 return; 4103 } 4104 4105 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlags"); 4106 4107 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4108 true /* requireFullPermission */, true /* checkShell */, 4109 "updatePermissionFlags"); 4110 4111 // Only the system can change these flags and nothing else. 4112 if (getCallingUid() != Process.SYSTEM_UID) { 4113 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4114 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4115 flagMask &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4116 flagValues &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4117 flagValues &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 4118 } 4119 4120 synchronized (mPackages) { 4121 final PackageParser.Package pkg = mPackages.get(packageName); 4122 if (pkg == null) { 4123 throw new IllegalArgumentException("Unknown package: " + packageName); 4124 } 4125 4126 final BasePermission bp = mSettings.mPermissions.get(name); 4127 if (bp == null) { 4128 throw new IllegalArgumentException("Unknown permission: " + name); 4129 } 4130 4131 SettingBase sb = (SettingBase) pkg.mExtras; 4132 if (sb == null) { 4133 throw new IllegalArgumentException("Unknown package: " + packageName); 4134 } 4135 4136 PermissionsState permissionsState = sb.getPermissionsState(); 4137 4138 boolean hadState = permissionsState.getRuntimePermissionState(name, userId) != null; 4139 4140 if (permissionsState.updatePermissionFlags(bp, userId, flagMask, flagValues)) { 4141 // Install and runtime permissions are stored in different places, 4142 // so figure out what permission changed and persist the change. 4143 if (permissionsState.getInstallPermissionState(name) != null) { 4144 scheduleWriteSettingsLocked(); 4145 } else if (permissionsState.getRuntimePermissionState(name, userId) != null 4146 || hadState) { 4147 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4148 } 4149 } 4150 } 4151 } 4152 4153 /** 4154 * Update the permission flags for all packages and runtime permissions of a user in order 4155 * to allow device or profile owner to remove POLICY_FIXED. 4156 */ 4157 @Override 4158 public void updatePermissionFlagsForAllApps(int flagMask, int flagValues, int userId) { 4159 if (!sUserManager.exists(userId)) { 4160 return; 4161 } 4162 4163 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlagsForAllApps"); 4164 4165 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4166 true /* requireFullPermission */, true /* checkShell */, 4167 "updatePermissionFlagsForAllApps"); 4168 4169 // Only the system can change system fixed flags. 4170 if (getCallingUid() != Process.SYSTEM_UID) { 4171 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4172 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4173 } 4174 4175 synchronized (mPackages) { 4176 boolean changed = false; 4177 final int packageCount = mPackages.size(); 4178 for (int pkgIndex = 0; pkgIndex < packageCount; pkgIndex++) { 4179 final PackageParser.Package pkg = mPackages.valueAt(pkgIndex); 4180 SettingBase sb = (SettingBase) pkg.mExtras; 4181 if (sb == null) { 4182 continue; 4183 } 4184 PermissionsState permissionsState = sb.getPermissionsState(); 4185 changed |= permissionsState.updatePermissionFlagsForAllPermissions( 4186 userId, flagMask, flagValues); 4187 } 4188 if (changed) { 4189 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4190 } 4191 } 4192 } 4193 4194 private void enforceGrantRevokeRuntimePermissionPermissions(String message) { 4195 if (mContext.checkCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS) 4196 != PackageManager.PERMISSION_GRANTED 4197 && mContext.checkCallingOrSelfPermission(Manifest.permission.REVOKE_RUNTIME_PERMISSIONS) 4198 != PackageManager.PERMISSION_GRANTED) { 4199 throw new SecurityException(message + " requires " 4200 + Manifest.permission.GRANT_RUNTIME_PERMISSIONS + " or " 4201 + Manifest.permission.REVOKE_RUNTIME_PERMISSIONS); 4202 } 4203 } 4204 4205 @Override 4206 public boolean shouldShowRequestPermissionRationale(String permissionName, 4207 String packageName, int userId) { 4208 if (UserHandle.getCallingUserId() != userId) { 4209 mContext.enforceCallingPermission( 4210 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4211 "canShowRequestPermissionRationale for user " + userId); 4212 } 4213 4214 final int uid = getPackageUid(packageName, MATCH_DEBUG_TRIAGED_MISSING, userId); 4215 if (UserHandle.getAppId(getCallingUid()) != UserHandle.getAppId(uid)) { 4216 return false; 4217 } 4218 4219 if (checkPermission(permissionName, packageName, userId) 4220 == PackageManager.PERMISSION_GRANTED) { 4221 return false; 4222 } 4223 4224 final int flags; 4225 4226 final long identity = Binder.clearCallingIdentity(); 4227 try { 4228 flags = getPermissionFlags(permissionName, 4229 packageName, userId); 4230 } finally { 4231 Binder.restoreCallingIdentity(identity); 4232 } 4233 4234 final int fixedFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 4235 | PackageManager.FLAG_PERMISSION_POLICY_FIXED 4236 | PackageManager.FLAG_PERMISSION_USER_FIXED; 4237 4238 if ((flags & fixedFlags) != 0) { 4239 return false; 4240 } 4241 4242 return (flags & PackageManager.FLAG_PERMISSION_USER_SET) != 0; 4243 } 4244 4245 @Override 4246 public void addOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4247 mContext.enforceCallingOrSelfPermission( 4248 Manifest.permission.OBSERVE_GRANT_REVOKE_PERMISSIONS, 4249 "addOnPermissionsChangeListener"); 4250 4251 synchronized (mPackages) { 4252 mOnPermissionChangeListeners.addListenerLocked(listener); 4253 } 4254 } 4255 4256 @Override 4257 public void removeOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4258 synchronized (mPackages) { 4259 mOnPermissionChangeListeners.removeListenerLocked(listener); 4260 } 4261 } 4262 4263 @Override 4264 public boolean isProtectedBroadcast(String actionName) { 4265 synchronized (mPackages) { 4266 if (mProtectedBroadcasts.contains(actionName)) { 4267 return true; 4268 } else if (actionName != null) { 4269 // TODO: remove these terrible hacks 4270 if (actionName.startsWith("android.net.netmon.lingerExpired") 4271 || actionName.startsWith("com.android.server.sip.SipWakeupTimer") 4272 || actionName.startsWith("com.android.internal.telephony.data-reconnect") 4273 || actionName.startsWith("android.net.netmon.launchCaptivePortalApp")) { 4274 return true; 4275 } 4276 } 4277 } 4278 return false; 4279 } 4280 4281 @Override 4282 public int checkSignatures(String pkg1, String pkg2) { 4283 synchronized (mPackages) { 4284 final PackageParser.Package p1 = mPackages.get(pkg1); 4285 final PackageParser.Package p2 = mPackages.get(pkg2); 4286 if (p1 == null || p1.mExtras == null 4287 || p2 == null || p2.mExtras == null) { 4288 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4289 } 4290 return compareSignatures(p1.mSignatures, p2.mSignatures); 4291 } 4292 } 4293 4294 @Override 4295 public int checkUidSignatures(int uid1, int uid2) { 4296 // Map to base uids. 4297 uid1 = UserHandle.getAppId(uid1); 4298 uid2 = UserHandle.getAppId(uid2); 4299 // reader 4300 synchronized (mPackages) { 4301 Signature[] s1; 4302 Signature[] s2; 4303 Object obj = mSettings.getUserIdLPr(uid1); 4304 if (obj != null) { 4305 if (obj instanceof SharedUserSetting) { 4306 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 4307 } else if (obj instanceof PackageSetting) { 4308 s1 = ((PackageSetting)obj).signatures.mSignatures; 4309 } else { 4310 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4311 } 4312 } else { 4313 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4314 } 4315 obj = mSettings.getUserIdLPr(uid2); 4316 if (obj != null) { 4317 if (obj instanceof SharedUserSetting) { 4318 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 4319 } else if (obj instanceof PackageSetting) { 4320 s2 = ((PackageSetting)obj).signatures.mSignatures; 4321 } else { 4322 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4323 } 4324 } else { 4325 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4326 } 4327 return compareSignatures(s1, s2); 4328 } 4329 } 4330 4331 private void killUid(int appId, int userId, String reason) { 4332 final long identity = Binder.clearCallingIdentity(); 4333 try { 4334 IActivityManager am = ActivityManagerNative.getDefault(); 4335 if (am != null) { 4336 try { 4337 am.killUid(appId, userId, reason); 4338 } catch (RemoteException e) { 4339 /* ignore - same process */ 4340 } 4341 } 4342 } finally { 4343 Binder.restoreCallingIdentity(identity); 4344 } 4345 } 4346 4347 /** 4348 * Compares two sets of signatures. Returns: 4349 * <br /> 4350 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 4351 * <br /> 4352 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 4353 * <br /> 4354 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 4355 * <br /> 4356 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 4357 * <br /> 4358 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 4359 */ 4360 static int compareSignatures(Signature[] s1, Signature[] s2) { 4361 if (s1 == null) { 4362 return s2 == null 4363 ? PackageManager.SIGNATURE_NEITHER_SIGNED 4364 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 4365 } 4366 4367 if (s2 == null) { 4368 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 4369 } 4370 4371 if (s1.length != s2.length) { 4372 return PackageManager.SIGNATURE_NO_MATCH; 4373 } 4374 4375 // Since both signature sets are of size 1, we can compare without HashSets. 4376 if (s1.length == 1) { 4377 return s1[0].equals(s2[0]) ? 4378 PackageManager.SIGNATURE_MATCH : 4379 PackageManager.SIGNATURE_NO_MATCH; 4380 } 4381 4382 ArraySet<Signature> set1 = new ArraySet<Signature>(); 4383 for (Signature sig : s1) { 4384 set1.add(sig); 4385 } 4386 ArraySet<Signature> set2 = new ArraySet<Signature>(); 4387 for (Signature sig : s2) { 4388 set2.add(sig); 4389 } 4390 // Make sure s2 contains all signatures in s1. 4391 if (set1.equals(set2)) { 4392 return PackageManager.SIGNATURE_MATCH; 4393 } 4394 return PackageManager.SIGNATURE_NO_MATCH; 4395 } 4396 4397 /** 4398 * If the database version for this type of package (internal storage or 4399 * external storage) is less than the version where package signatures 4400 * were updated, return true. 4401 */ 4402 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4403 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4404 return ver.databaseVersion < DatabaseVersion.SIGNATURE_END_ENTITY; 4405 } 4406 4407 /** 4408 * Used for backward compatibility to make sure any packages with 4409 * certificate chains get upgraded to the new style. {@code existingSigs} 4410 * will be in the old format (since they were stored on disk from before the 4411 * system upgrade) and {@code scannedSigs} will be in the newer format. 4412 */ 4413 private int compareSignaturesCompat(PackageSignatures existingSigs, 4414 PackageParser.Package scannedPkg) { 4415 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 4416 return PackageManager.SIGNATURE_NO_MATCH; 4417 } 4418 4419 ArraySet<Signature> existingSet = new ArraySet<Signature>(); 4420 for (Signature sig : existingSigs.mSignatures) { 4421 existingSet.add(sig); 4422 } 4423 ArraySet<Signature> scannedCompatSet = new ArraySet<Signature>(); 4424 for (Signature sig : scannedPkg.mSignatures) { 4425 try { 4426 Signature[] chainSignatures = sig.getChainSignatures(); 4427 for (Signature chainSig : chainSignatures) { 4428 scannedCompatSet.add(chainSig); 4429 } 4430 } catch (CertificateEncodingException e) { 4431 scannedCompatSet.add(sig); 4432 } 4433 } 4434 /* 4435 * Make sure the expanded scanned set contains all signatures in the 4436 * existing one. 4437 */ 4438 if (scannedCompatSet.equals(existingSet)) { 4439 // Migrate the old signatures to the new scheme. 4440 existingSigs.assignSignatures(scannedPkg.mSignatures); 4441 // The new KeySets will be re-added later in the scanning process. 4442 synchronized (mPackages) { 4443 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName); 4444 } 4445 return PackageManager.SIGNATURE_MATCH; 4446 } 4447 return PackageManager.SIGNATURE_NO_MATCH; 4448 } 4449 4450 private boolean isRecoverSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4451 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4452 return ver.databaseVersion < DatabaseVersion.SIGNATURE_MALFORMED_RECOVER; 4453 } 4454 4455 private int compareSignaturesRecover(PackageSignatures existingSigs, 4456 PackageParser.Package scannedPkg) { 4457 if (!isRecoverSignatureUpdateNeeded(scannedPkg)) { 4458 return PackageManager.SIGNATURE_NO_MATCH; 4459 } 4460 4461 String msg = null; 4462 try { 4463 if (Signature.areEffectiveMatch(existingSigs.mSignatures, scannedPkg.mSignatures)) { 4464 logCriticalInfo(Log.INFO, "Recovered effectively matching certificates for " 4465 + scannedPkg.packageName); 4466 return PackageManager.SIGNATURE_MATCH; 4467 } 4468 } catch (CertificateException e) { 4469 msg = e.getMessage(); 4470 } 4471 4472 logCriticalInfo(Log.INFO, 4473 "Failed to recover certificates for " + scannedPkg.packageName + ": " + msg); 4474 return PackageManager.SIGNATURE_NO_MATCH; 4475 } 4476 4477 @Override 4478 public List<String> getAllPackages() { 4479 synchronized (mPackages) { 4480 return new ArrayList<String>(mPackages.keySet()); 4481 } 4482 } 4483 4484 @Override 4485 public String[] getPackagesForUid(int uid) { 4486 uid = UserHandle.getAppId(uid); 4487 // reader 4488 synchronized (mPackages) { 4489 Object obj = mSettings.getUserIdLPr(uid); 4490 if (obj instanceof SharedUserSetting) { 4491 final SharedUserSetting sus = (SharedUserSetting) obj; 4492 final int N = sus.packages.size(); 4493 final String[] res = new String[N]; 4494 final Iterator<PackageSetting> it = sus.packages.iterator(); 4495 int i = 0; 4496 while (it.hasNext()) { 4497 res[i++] = it.next().name; 4498 } 4499 return res; 4500 } else if (obj instanceof PackageSetting) { 4501 final PackageSetting ps = (PackageSetting) obj; 4502 return new String[] { ps.name }; 4503 } 4504 } 4505 return null; 4506 } 4507 4508 @Override 4509 public String getNameForUid(int uid) { 4510 // reader 4511 synchronized (mPackages) { 4512 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4513 if (obj instanceof SharedUserSetting) { 4514 final SharedUserSetting sus = (SharedUserSetting) obj; 4515 return sus.name + ":" + sus.userId; 4516 } else if (obj instanceof PackageSetting) { 4517 final PackageSetting ps = (PackageSetting) obj; 4518 return ps.name; 4519 } 4520 } 4521 return null; 4522 } 4523 4524 @Override 4525 public int getUidForSharedUser(String sharedUserName) { 4526 if(sharedUserName == null) { 4527 return -1; 4528 } 4529 // reader 4530 synchronized (mPackages) { 4531 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, 0, false); 4532 if (suid == null) { 4533 return -1; 4534 } 4535 return suid.userId; 4536 } 4537 } 4538 4539 @Override 4540 public int getFlagsForUid(int uid) { 4541 synchronized (mPackages) { 4542 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4543 if (obj instanceof SharedUserSetting) { 4544 final SharedUserSetting sus = (SharedUserSetting) obj; 4545 return sus.pkgFlags; 4546 } else if (obj instanceof PackageSetting) { 4547 final PackageSetting ps = (PackageSetting) obj; 4548 return ps.pkgFlags; 4549 } 4550 } 4551 return 0; 4552 } 4553 4554 @Override 4555 public int getPrivateFlagsForUid(int uid) { 4556 synchronized (mPackages) { 4557 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4558 if (obj instanceof SharedUserSetting) { 4559 final SharedUserSetting sus = (SharedUserSetting) obj; 4560 return sus.pkgPrivateFlags; 4561 } else if (obj instanceof PackageSetting) { 4562 final PackageSetting ps = (PackageSetting) obj; 4563 return ps.pkgPrivateFlags; 4564 } 4565 } 4566 return 0; 4567 } 4568 4569 @Override 4570 public boolean isUidPrivileged(int uid) { 4571 uid = UserHandle.getAppId(uid); 4572 // reader 4573 synchronized (mPackages) { 4574 Object obj = mSettings.getUserIdLPr(uid); 4575 if (obj instanceof SharedUserSetting) { 4576 final SharedUserSetting sus = (SharedUserSetting) obj; 4577 final Iterator<PackageSetting> it = sus.packages.iterator(); 4578 while (it.hasNext()) { 4579 if (it.next().isPrivileged()) { 4580 return true; 4581 } 4582 } 4583 } else if (obj instanceof PackageSetting) { 4584 final PackageSetting ps = (PackageSetting) obj; 4585 return ps.isPrivileged(); 4586 } 4587 } 4588 return false; 4589 } 4590 4591 @Override 4592 public String[] getAppOpPermissionPackages(String permissionName) { 4593 synchronized (mPackages) { 4594 ArraySet<String> pkgs = mAppOpPermissionPackages.get(permissionName); 4595 if (pkgs == null) { 4596 return null; 4597 } 4598 return pkgs.toArray(new String[pkgs.size()]); 4599 } 4600 } 4601 4602 @Override 4603 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 4604 int flags, int userId) { 4605 if (!sUserManager.exists(userId)) return null; 4606 flags = updateFlagsForResolve(flags, userId, intent); 4607 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4608 false /* requireFullPermission */, false /* checkShell */, "resolve intent"); 4609 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 4610 userId); 4611 final ResolveInfo bestChoice = 4612 chooseBestActivity(intent, resolvedType, flags, query, userId); 4613 4614 if (isEphemeralAllowed(intent, query, userId)) { 4615 final EphemeralResolveInfo ai = 4616 getEphemeralResolveInfo(intent, resolvedType, userId); 4617 if (ai != null) { 4618 if (DEBUG_EPHEMERAL) { 4619 Slog.v(TAG, "Returning an EphemeralResolveInfo"); 4620 } 4621 bestChoice.ephemeralInstaller = mEphemeralInstallerInfo; 4622 bestChoice.ephemeralResolveInfo = ai; 4623 } 4624 } 4625 return bestChoice; 4626 } 4627 4628 @Override 4629 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 4630 IntentFilter filter, int match, ComponentName activity) { 4631 final int userId = UserHandle.getCallingUserId(); 4632 if (DEBUG_PREFERRED) { 4633 Log.v(TAG, "setLastChosenActivity intent=" + intent 4634 + " resolvedType=" + resolvedType 4635 + " flags=" + flags 4636 + " filter=" + filter 4637 + " match=" + match 4638 + " activity=" + activity); 4639 filter.dump(new PrintStreamPrinter(System.out), " "); 4640 } 4641 intent.setComponent(null); 4642 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 4643 userId); 4644 // Find any earlier preferred or last chosen entries and nuke them 4645 findPreferredActivity(intent, resolvedType, 4646 flags, query, 0, false, true, false, userId); 4647 // Add the new activity as the last chosen for this filter 4648 addPreferredActivityInternal(filter, match, null, activity, false, userId, 4649 "Setting last chosen"); 4650 } 4651 4652 @Override 4653 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 4654 final int userId = UserHandle.getCallingUserId(); 4655 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 4656 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 4657 userId); 4658 return findPreferredActivity(intent, resolvedType, flags, query, 0, 4659 false, false, false, userId); 4660 } 4661 4662 4663 private boolean isEphemeralAllowed( 4664 Intent intent, List<ResolveInfo> resolvedActivites, int userId) { 4665 // Short circuit and return early if possible. 4666 if (DISABLE_EPHEMERAL_APPS) { 4667 return false; 4668 } 4669 final int callingUser = UserHandle.getCallingUserId(); 4670 if (callingUser != UserHandle.USER_SYSTEM) { 4671 return false; 4672 } 4673 if (mEphemeralResolverConnection == null) { 4674 return false; 4675 } 4676 if (intent.getComponent() != null) { 4677 return false; 4678 } 4679 if (intent.getPackage() != null) { 4680 return false; 4681 } 4682 final boolean isWebUri = hasWebURI(intent); 4683 if (!isWebUri) { 4684 return false; 4685 } 4686 // Deny ephemeral apps if the user chose _ALWAYS or _ALWAYS_ASK for intent resolution. 4687 synchronized (mPackages) { 4688 final int count = resolvedActivites.size(); 4689 for (int n = 0; n < count; n++) { 4690 ResolveInfo info = resolvedActivites.get(n); 4691 String packageName = info.activityInfo.packageName; 4692 PackageSetting ps = mSettings.mPackages.get(packageName); 4693 if (ps != null) { 4694 // Try to get the status from User settings first 4695 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 4696 int status = (int) (packedStatus >> 32); 4697 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS 4698 || status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 4699 if (DEBUG_EPHEMERAL) { 4700 Slog.v(TAG, "DENY ephemeral apps;" 4701 + " pkg: " + packageName + ", status: " + status); 4702 } 4703 return false; 4704 } 4705 } 4706 } 4707 } 4708 // We've exhausted all ways to deny ephemeral application; let the system look for them. 4709 return true; 4710 } 4711 4712 private EphemeralResolveInfo getEphemeralResolveInfo(Intent intent, String resolvedType, 4713 int userId) { 4714 MessageDigest digest = null; 4715 try { 4716 digest = MessageDigest.getInstance(EphemeralResolveInfo.SHA_ALGORITHM); 4717 } catch (NoSuchAlgorithmException e) { 4718 // If we can't create a digest, ignore ephemeral apps. 4719 return null; 4720 } 4721 4722 final byte[] hostBytes = intent.getData().getHost().getBytes(); 4723 final byte[] digestBytes = digest.digest(hostBytes); 4724 int shaPrefix = 4725 digestBytes[0] << 24 4726 | digestBytes[1] << 16 4727 | digestBytes[2] << 8 4728 | digestBytes[3] << 0; 4729 final List<EphemeralResolveInfo> ephemeralResolveInfoList = 4730 mEphemeralResolverConnection.getEphemeralResolveInfoList(shaPrefix); 4731 if (ephemeralResolveInfoList == null || ephemeralResolveInfoList.size() == 0) { 4732 // No hash prefix match; there are no ephemeral apps for this domain. 4733 return null; 4734 } 4735 for (int i = ephemeralResolveInfoList.size() - 1; i >= 0; --i) { 4736 EphemeralResolveInfo ephemeralApplication = ephemeralResolveInfoList.get(i); 4737 if (!Arrays.equals(digestBytes, ephemeralApplication.getDigestBytes())) { 4738 continue; 4739 } 4740 final List<IntentFilter> filters = ephemeralApplication.getFilters(); 4741 // No filters; this should never happen. 4742 if (filters.isEmpty()) { 4743 continue; 4744 } 4745 // We have a domain match; resolve the filters to see if anything matches. 4746 final EphemeralIntentResolver ephemeralResolver = new EphemeralIntentResolver(); 4747 for (int j = filters.size() - 1; j >= 0; --j) { 4748 final EphemeralResolveIntentInfo intentInfo = 4749 new EphemeralResolveIntentInfo(filters.get(j), ephemeralApplication); 4750 ephemeralResolver.addFilter(intentInfo); 4751 } 4752 List<EphemeralResolveInfo> matchedResolveInfoList = ephemeralResolver.queryIntent( 4753 intent, resolvedType, false /*defaultOnly*/, userId); 4754 if (!matchedResolveInfoList.isEmpty()) { 4755 return matchedResolveInfoList.get(0); 4756 } 4757 } 4758 // Hash or filter mis-match; no ephemeral apps for this domain. 4759 return null; 4760 } 4761 4762 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 4763 int flags, List<ResolveInfo> query, int userId) { 4764 if (query != null) { 4765 final int N = query.size(); 4766 if (N == 1) { 4767 return query.get(0); 4768 } else if (N > 1) { 4769 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 4770 // If there is more than one activity with the same priority, 4771 // then let the user decide between them. 4772 ResolveInfo r0 = query.get(0); 4773 ResolveInfo r1 = query.get(1); 4774 if (DEBUG_INTENT_MATCHING || debug) { 4775 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 4776 + r1.activityInfo.name + "=" + r1.priority); 4777 } 4778 // If the first activity has a higher priority, or a different 4779 // default, then it is always desirable to pick it. 4780 if (r0.priority != r1.priority 4781 || r0.preferredOrder != r1.preferredOrder 4782 || r0.isDefault != r1.isDefault) { 4783 return query.get(0); 4784 } 4785 // If we have saved a preference for a preferred activity for 4786 // this Intent, use that. 4787 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 4788 flags, query, r0.priority, true, false, debug, userId); 4789 if (ri != null) { 4790 return ri; 4791 } 4792 ri = new ResolveInfo(mResolveInfo); 4793 ri.activityInfo = new ActivityInfo(ri.activityInfo); 4794 ri.activityInfo.applicationInfo = new ApplicationInfo( 4795 ri.activityInfo.applicationInfo); 4796 if (userId != 0) { 4797 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 4798 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 4799 } 4800 // Make sure that the resolver is displayable in car mode 4801 if (ri.activityInfo.metaData == null) ri.activityInfo.metaData = new Bundle(); 4802 ri.activityInfo.metaData.putBoolean(Intent.METADATA_DOCK_HOME, true); 4803 return ri; 4804 } 4805 } 4806 return null; 4807 } 4808 4809 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 4810 int flags, List<ResolveInfo> query, boolean debug, int userId) { 4811 final int N = query.size(); 4812 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 4813 .get(userId); 4814 // Get the list of persistent preferred activities that handle the intent 4815 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 4816 List<PersistentPreferredActivity> pprefs = ppir != null 4817 ? ppir.queryIntent(intent, resolvedType, 4818 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 4819 : null; 4820 if (pprefs != null && pprefs.size() > 0) { 4821 final int M = pprefs.size(); 4822 for (int i=0; i<M; i++) { 4823 final PersistentPreferredActivity ppa = pprefs.get(i); 4824 if (DEBUG_PREFERRED || debug) { 4825 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 4826 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 4827 + "\n component=" + ppa.mComponent); 4828 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4829 } 4830 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 4831 flags | MATCH_DISABLED_COMPONENTS, userId); 4832 if (DEBUG_PREFERRED || debug) { 4833 Slog.v(TAG, "Found persistent preferred activity:"); 4834 if (ai != null) { 4835 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4836 } else { 4837 Slog.v(TAG, " null"); 4838 } 4839 } 4840 if (ai == null) { 4841 // This previously registered persistent preferred activity 4842 // component is no longer known. Ignore it and do NOT remove it. 4843 continue; 4844 } 4845 for (int j=0; j<N; j++) { 4846 final ResolveInfo ri = query.get(j); 4847 if (!ri.activityInfo.applicationInfo.packageName 4848 .equals(ai.applicationInfo.packageName)) { 4849 continue; 4850 } 4851 if (!ri.activityInfo.name.equals(ai.name)) { 4852 continue; 4853 } 4854 // Found a persistent preference that can handle the intent. 4855 if (DEBUG_PREFERRED || debug) { 4856 Slog.v(TAG, "Returning persistent preferred activity: " + 4857 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 4858 } 4859 return ri; 4860 } 4861 } 4862 } 4863 return null; 4864 } 4865 4866 // TODO: handle preferred activities missing while user has amnesia 4867 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 4868 List<ResolveInfo> query, int priority, boolean always, 4869 boolean removeMatches, boolean debug, int userId) { 4870 if (!sUserManager.exists(userId)) return null; 4871 flags = updateFlagsForResolve(flags, userId, intent); 4872 // writer 4873 synchronized (mPackages) { 4874 if (intent.getSelector() != null) { 4875 intent = intent.getSelector(); 4876 } 4877 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 4878 4879 // Try to find a matching persistent preferred activity. 4880 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 4881 debug, userId); 4882 4883 // If a persistent preferred activity matched, use it. 4884 if (pri != null) { 4885 return pri; 4886 } 4887 4888 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 4889 // Get the list of preferred activities that handle the intent 4890 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 4891 List<PreferredActivity> prefs = pir != null 4892 ? pir.queryIntent(intent, resolvedType, 4893 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 4894 : null; 4895 if (prefs != null && prefs.size() > 0) { 4896 boolean changed = false; 4897 try { 4898 // First figure out how good the original match set is. 4899 // We will only allow preferred activities that came 4900 // from the same match quality. 4901 int match = 0; 4902 4903 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 4904 4905 final int N = query.size(); 4906 for (int j=0; j<N; j++) { 4907 final ResolveInfo ri = query.get(j); 4908 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 4909 + ": 0x" + Integer.toHexString(match)); 4910 if (ri.match > match) { 4911 match = ri.match; 4912 } 4913 } 4914 4915 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 4916 + Integer.toHexString(match)); 4917 4918 match &= IntentFilter.MATCH_CATEGORY_MASK; 4919 final int M = prefs.size(); 4920 for (int i=0; i<M; i++) { 4921 final PreferredActivity pa = prefs.get(i); 4922 if (DEBUG_PREFERRED || debug) { 4923 Slog.v(TAG, "Checking PreferredActivity ds=" 4924 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 4925 + "\n component=" + pa.mPref.mComponent); 4926 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4927 } 4928 if (pa.mPref.mMatch != match) { 4929 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 4930 + Integer.toHexString(pa.mPref.mMatch)); 4931 continue; 4932 } 4933 // If it's not an "always" type preferred activity and that's what we're 4934 // looking for, skip it. 4935 if (always && !pa.mPref.mAlways) { 4936 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 4937 continue; 4938 } 4939 final ActivityInfo ai = getActivityInfo( 4940 pa.mPref.mComponent, flags | MATCH_DISABLED_COMPONENTS 4941 | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 4942 userId); 4943 if (DEBUG_PREFERRED || debug) { 4944 Slog.v(TAG, "Found preferred activity:"); 4945 if (ai != null) { 4946 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4947 } else { 4948 Slog.v(TAG, " null"); 4949 } 4950 } 4951 if (ai == null) { 4952 // This previously registered preferred activity 4953 // component is no longer known. Most likely an update 4954 // to the app was installed and in the new version this 4955 // component no longer exists. Clean it up by removing 4956 // it from the preferred activities list, and skip it. 4957 Slog.w(TAG, "Removing dangling preferred activity: " 4958 + pa.mPref.mComponent); 4959 pir.removeFilter(pa); 4960 changed = true; 4961 continue; 4962 } 4963 for (int j=0; j<N; j++) { 4964 final ResolveInfo ri = query.get(j); 4965 if (!ri.activityInfo.applicationInfo.packageName 4966 .equals(ai.applicationInfo.packageName)) { 4967 continue; 4968 } 4969 if (!ri.activityInfo.name.equals(ai.name)) { 4970 continue; 4971 } 4972 4973 if (removeMatches) { 4974 pir.removeFilter(pa); 4975 changed = true; 4976 if (DEBUG_PREFERRED) { 4977 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 4978 } 4979 break; 4980 } 4981 4982 // Okay we found a previously set preferred or last chosen app. 4983 // If the result set is different from when this 4984 // was created, we need to clear it and re-ask the 4985 // user their preference, if we're looking for an "always" type entry. 4986 if (always && !pa.mPref.sameSet(query)) { 4987 Slog.i(TAG, "Result set changed, dropping preferred activity for " 4988 + intent + " type " + resolvedType); 4989 if (DEBUG_PREFERRED) { 4990 Slog.v(TAG, "Removing preferred activity since set changed " 4991 + pa.mPref.mComponent); 4992 } 4993 pir.removeFilter(pa); 4994 // Re-add the filter as a "last chosen" entry (!always) 4995 PreferredActivity lastChosen = new PreferredActivity( 4996 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 4997 pir.addFilter(lastChosen); 4998 changed = true; 4999 return null; 5000 } 5001 5002 // Yay! Either the set matched or we're looking for the last chosen 5003 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 5004 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 5005 return ri; 5006 } 5007 } 5008 } finally { 5009 if (changed) { 5010 if (DEBUG_PREFERRED) { 5011 Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions"); 5012 } 5013 scheduleWritePackageRestrictionsLocked(userId); 5014 } 5015 } 5016 } 5017 } 5018 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 5019 return null; 5020 } 5021 5022 /* 5023 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 5024 */ 5025 @Override 5026 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 5027 int targetUserId) { 5028 mContext.enforceCallingOrSelfPermission( 5029 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 5030 List<CrossProfileIntentFilter> matches = 5031 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 5032 if (matches != null) { 5033 int size = matches.size(); 5034 for (int i = 0; i < size; i++) { 5035 if (matches.get(i).getTargetUserId() == targetUserId) return true; 5036 } 5037 } 5038 if (hasWebURI(intent)) { 5039 // cross-profile app linking works only towards the parent. 5040 final UserInfo parent = getProfileParent(sourceUserId); 5041 synchronized(mPackages) { 5042 int flags = updateFlagsForResolve(0, parent.id, intent); 5043 CrossProfileDomainInfo xpDomainInfo = getCrossProfileDomainPreferredLpr( 5044 intent, resolvedType, flags, sourceUserId, parent.id); 5045 return xpDomainInfo != null; 5046 } 5047 } 5048 return false; 5049 } 5050 5051 private UserInfo getProfileParent(int userId) { 5052 final long identity = Binder.clearCallingIdentity(); 5053 try { 5054 return sUserManager.getProfileParent(userId); 5055 } finally { 5056 Binder.restoreCallingIdentity(identity); 5057 } 5058 } 5059 5060 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 5061 String resolvedType, int userId) { 5062 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 5063 if (resolver != null) { 5064 return resolver.queryIntent(intent, resolvedType, false, userId); 5065 } 5066 return null; 5067 } 5068 5069 @Override 5070 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivities(Intent intent, 5071 String resolvedType, int flags, int userId) { 5072 return new ParceledListSlice<>( 5073 queryIntentActivitiesInternal(intent, resolvedType, flags, userId)); 5074 } 5075 5076 private @NonNull List<ResolveInfo> queryIntentActivitiesInternal(Intent intent, 5077 String resolvedType, int flags, int userId) { 5078 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5079 flags = updateFlagsForResolve(flags, userId, intent); 5080 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5081 false /* requireFullPermission */, false /* checkShell */, 5082 "query intent activities"); 5083 ComponentName comp = intent.getComponent(); 5084 if (comp == null) { 5085 if (intent.getSelector() != null) { 5086 intent = intent.getSelector(); 5087 comp = intent.getComponent(); 5088 } 5089 } 5090 5091 if (comp != null) { 5092 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5093 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 5094 if (ai != null) { 5095 final ResolveInfo ri = new ResolveInfo(); 5096 ri.activityInfo = ai; 5097 list.add(ri); 5098 } 5099 return list; 5100 } 5101 5102 // reader 5103 synchronized (mPackages) { 5104 final String pkgName = intent.getPackage(); 5105 if (pkgName == null) { 5106 List<CrossProfileIntentFilter> matchingFilters = 5107 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 5108 // Check for results that need to skip the current profile. 5109 ResolveInfo xpResolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 5110 resolvedType, flags, userId); 5111 if (xpResolveInfo != null) { 5112 List<ResolveInfo> result = new ArrayList<ResolveInfo>(1); 5113 result.add(xpResolveInfo); 5114 return filterIfNotSystemUser(result, userId); 5115 } 5116 5117 // Check for results in the current profile. 5118 List<ResolveInfo> result = mActivities.queryIntent( 5119 intent, resolvedType, flags, userId); 5120 result = filterIfNotSystemUser(result, userId); 5121 5122 // Check for cross profile results. 5123 boolean hasNonNegativePriorityResult = hasNonNegativePriority(result); 5124 xpResolveInfo = queryCrossProfileIntents( 5125 matchingFilters, intent, resolvedType, flags, userId, 5126 hasNonNegativePriorityResult); 5127 if (xpResolveInfo != null && isUserEnabled(xpResolveInfo.targetUserId)) { 5128 boolean isVisibleToUser = filterIfNotSystemUser( 5129 Collections.singletonList(xpResolveInfo), userId).size() > 0; 5130 if (isVisibleToUser) { 5131 result.add(xpResolveInfo); 5132 Collections.sort(result, mResolvePrioritySorter); 5133 } 5134 } 5135 if (hasWebURI(intent)) { 5136 CrossProfileDomainInfo xpDomainInfo = null; 5137 final UserInfo parent = getProfileParent(userId); 5138 if (parent != null) { 5139 xpDomainInfo = getCrossProfileDomainPreferredLpr(intent, resolvedType, 5140 flags, userId, parent.id); 5141 } 5142 if (xpDomainInfo != null) { 5143 if (xpResolveInfo != null) { 5144 // If we didn't remove it, the cross-profile ResolveInfo would be twice 5145 // in the result. 5146 result.remove(xpResolveInfo); 5147 } 5148 if (result.size() == 0) { 5149 result.add(xpDomainInfo.resolveInfo); 5150 return result; 5151 } 5152 } else if (result.size() <= 1) { 5153 return result; 5154 } 5155 result = filterCandidatesWithDomainPreferredActivitiesLPr(intent, flags, result, 5156 xpDomainInfo, userId); 5157 Collections.sort(result, mResolvePrioritySorter); 5158 } 5159 return result; 5160 } 5161 final PackageParser.Package pkg = mPackages.get(pkgName); 5162 if (pkg != null) { 5163 return filterIfNotSystemUser( 5164 mActivities.queryIntentForPackage( 5165 intent, resolvedType, flags, pkg.activities, userId), 5166 userId); 5167 } 5168 return new ArrayList<ResolveInfo>(); 5169 } 5170 } 5171 5172 private static class CrossProfileDomainInfo { 5173 /* ResolveInfo for IntentForwarderActivity to send the intent to the other profile */ 5174 ResolveInfo resolveInfo; 5175 /* Best domain verification status of the activities found in the other profile */ 5176 int bestDomainVerificationStatus; 5177 } 5178 5179 private CrossProfileDomainInfo getCrossProfileDomainPreferredLpr(Intent intent, 5180 String resolvedType, int flags, int sourceUserId, int parentUserId) { 5181 if (!sUserManager.hasUserRestriction(UserManager.ALLOW_PARENT_PROFILE_APP_LINKING, 5182 sourceUserId)) { 5183 return null; 5184 } 5185 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5186 resolvedType, flags, parentUserId); 5187 5188 if (resultTargetUser == null || resultTargetUser.isEmpty()) { 5189 return null; 5190 } 5191 CrossProfileDomainInfo result = null; 5192 int size = resultTargetUser.size(); 5193 for (int i = 0; i < size; i++) { 5194 ResolveInfo riTargetUser = resultTargetUser.get(i); 5195 // Intent filter verification is only for filters that specify a host. So don't return 5196 // those that handle all web uris. 5197 if (riTargetUser.handleAllWebDataURI) { 5198 continue; 5199 } 5200 String packageName = riTargetUser.activityInfo.packageName; 5201 PackageSetting ps = mSettings.mPackages.get(packageName); 5202 if (ps == null) { 5203 continue; 5204 } 5205 long verificationState = getDomainVerificationStatusLPr(ps, parentUserId); 5206 int status = (int)(verificationState >> 32); 5207 if (result == null) { 5208 result = new CrossProfileDomainInfo(); 5209 result.resolveInfo = createForwardingResolveInfoUnchecked(new IntentFilter(), 5210 sourceUserId, parentUserId); 5211 result.bestDomainVerificationStatus = status; 5212 } else { 5213 result.bestDomainVerificationStatus = bestDomainVerificationStatus(status, 5214 result.bestDomainVerificationStatus); 5215 } 5216 } 5217 // Don't consider matches with status NEVER across profiles. 5218 if (result != null && result.bestDomainVerificationStatus 5219 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5220 return null; 5221 } 5222 return result; 5223 } 5224 5225 /** 5226 * Verification statuses are ordered from the worse to the best, except for 5227 * INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER, which is the worse. 5228 */ 5229 private int bestDomainVerificationStatus(int status1, int status2) { 5230 if (status1 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5231 return status2; 5232 } 5233 if (status2 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5234 return status1; 5235 } 5236 return (int) MathUtils.max(status1, status2); 5237 } 5238 5239 private boolean isUserEnabled(int userId) { 5240 long callingId = Binder.clearCallingIdentity(); 5241 try { 5242 UserInfo userInfo = sUserManager.getUserInfo(userId); 5243 return userInfo != null && userInfo.isEnabled(); 5244 } finally { 5245 Binder.restoreCallingIdentity(callingId); 5246 } 5247 } 5248 5249 /** 5250 * Filter out activities with systemUserOnly flag set, when current user is not System. 5251 * 5252 * @return filtered list 5253 */ 5254 private List<ResolveInfo> filterIfNotSystemUser(List<ResolveInfo> resolveInfos, int userId) { 5255 if (userId == UserHandle.USER_SYSTEM) { 5256 return resolveInfos; 5257 } 5258 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 5259 ResolveInfo info = resolveInfos.get(i); 5260 if ((info.activityInfo.flags & ActivityInfo.FLAG_SYSTEM_USER_ONLY) != 0) { 5261 resolveInfos.remove(i); 5262 } 5263 } 5264 return resolveInfos; 5265 } 5266 5267 /** 5268 * @param resolveInfos list of resolve infos in descending priority order 5269 * @return if the list contains a resolve info with non-negative priority 5270 */ 5271 private boolean hasNonNegativePriority(List<ResolveInfo> resolveInfos) { 5272 return resolveInfos.size() > 0 && resolveInfos.get(0).priority >= 0; 5273 } 5274 5275 private static boolean hasWebURI(Intent intent) { 5276 if (intent.getData() == null) { 5277 return false; 5278 } 5279 final String scheme = intent.getScheme(); 5280 if (TextUtils.isEmpty(scheme)) { 5281 return false; 5282 } 5283 return scheme.equals(IntentFilter.SCHEME_HTTP) || scheme.equals(IntentFilter.SCHEME_HTTPS); 5284 } 5285 5286 private List<ResolveInfo> filterCandidatesWithDomainPreferredActivitiesLPr(Intent intent, 5287 int matchFlags, List<ResolveInfo> candidates, CrossProfileDomainInfo xpDomainInfo, 5288 int userId) { 5289 final boolean debug = (intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0; 5290 5291 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5292 Slog.v(TAG, "Filtering results with preferred activities. Candidates count: " + 5293 candidates.size()); 5294 } 5295 5296 ArrayList<ResolveInfo> result = new ArrayList<ResolveInfo>(); 5297 ArrayList<ResolveInfo> alwaysList = new ArrayList<ResolveInfo>(); 5298 ArrayList<ResolveInfo> undefinedList = new ArrayList<ResolveInfo>(); 5299 ArrayList<ResolveInfo> alwaysAskList = new ArrayList<ResolveInfo>(); 5300 ArrayList<ResolveInfo> neverList = new ArrayList<ResolveInfo>(); 5301 ArrayList<ResolveInfo> matchAllList = new ArrayList<ResolveInfo>(); 5302 5303 synchronized (mPackages) { 5304 final int count = candidates.size(); 5305 // First, try to use linked apps. Partition the candidates into four lists: 5306 // one for the final results, one for the "do not use ever", one for "undefined status" 5307 // and finally one for "browser app type". 5308 for (int n=0; n<count; n++) { 5309 ResolveInfo info = candidates.get(n); 5310 String packageName = info.activityInfo.packageName; 5311 PackageSetting ps = mSettings.mPackages.get(packageName); 5312 if (ps != null) { 5313 // Add to the special match all list (Browser use case) 5314 if (info.handleAllWebDataURI) { 5315 matchAllList.add(info); 5316 continue; 5317 } 5318 // Try to get the status from User settings first 5319 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 5320 int status = (int)(packedStatus >> 32); 5321 int linkGeneration = (int)(packedStatus & 0xFFFFFFFF); 5322 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS) { 5323 if (DEBUG_DOMAIN_VERIFICATION) { 5324 Slog.i(TAG, " + always: " + info.activityInfo.packageName 5325 + " : linkgen=" + linkGeneration); 5326 } 5327 // Use link-enabled generation as preferredOrder, i.e. 5328 // prefer newly-enabled over earlier-enabled. 5329 info.preferredOrder = linkGeneration; 5330 alwaysList.add(info); 5331 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5332 if (DEBUG_DOMAIN_VERIFICATION) { 5333 Slog.i(TAG, " + never: " + info.activityInfo.packageName); 5334 } 5335 neverList.add(info); 5336 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 5337 if (DEBUG_DOMAIN_VERIFICATION) { 5338 Slog.i(TAG, " + always-ask: " + info.activityInfo.packageName); 5339 } 5340 alwaysAskList.add(info); 5341 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED || 5342 status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK) { 5343 if (DEBUG_DOMAIN_VERIFICATION) { 5344 Slog.i(TAG, " + ask: " + info.activityInfo.packageName); 5345 } 5346 undefinedList.add(info); 5347 } 5348 } 5349 } 5350 5351 // We'll want to include browser possibilities in a few cases 5352 boolean includeBrowser = false; 5353 5354 // First try to add the "always" resolution(s) for the current user, if any 5355 if (alwaysList.size() > 0) { 5356 result.addAll(alwaysList); 5357 } else { 5358 // Add all undefined apps as we want them to appear in the disambiguation dialog. 5359 result.addAll(undefinedList); 5360 // Maybe add one for the other profile. 5361 if (xpDomainInfo != null && ( 5362 xpDomainInfo.bestDomainVerificationStatus 5363 != INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER)) { 5364 result.add(xpDomainInfo.resolveInfo); 5365 } 5366 includeBrowser = true; 5367 } 5368 5369 // The presence of any 'always ask' alternatives means we'll also offer browsers. 5370 // If there were 'always' entries their preferred order has been set, so we also 5371 // back that off to make the alternatives equivalent 5372 if (alwaysAskList.size() > 0) { 5373 for (ResolveInfo i : result) { 5374 i.preferredOrder = 0; 5375 } 5376 result.addAll(alwaysAskList); 5377 includeBrowser = true; 5378 } 5379 5380 if (includeBrowser) { 5381 // Also add browsers (all of them or only the default one) 5382 if (DEBUG_DOMAIN_VERIFICATION) { 5383 Slog.v(TAG, " ...including browsers in candidate set"); 5384 } 5385 if ((matchFlags & MATCH_ALL) != 0) { 5386 result.addAll(matchAllList); 5387 } else { 5388 // Browser/generic handling case. If there's a default browser, go straight 5389 // to that (but only if there is no other higher-priority match). 5390 final String defaultBrowserPackageName = getDefaultBrowserPackageName(userId); 5391 int maxMatchPrio = 0; 5392 ResolveInfo defaultBrowserMatch = null; 5393 final int numCandidates = matchAllList.size(); 5394 for (int n = 0; n < numCandidates; n++) { 5395 ResolveInfo info = matchAllList.get(n); 5396 // track the highest overall match priority... 5397 if (info.priority > maxMatchPrio) { 5398 maxMatchPrio = info.priority; 5399 } 5400 // ...and the highest-priority default browser match 5401 if (info.activityInfo.packageName.equals(defaultBrowserPackageName)) { 5402 if (defaultBrowserMatch == null 5403 || (defaultBrowserMatch.priority < info.priority)) { 5404 if (debug) { 5405 Slog.v(TAG, "Considering default browser match " + info); 5406 } 5407 defaultBrowserMatch = info; 5408 } 5409 } 5410 } 5411 if (defaultBrowserMatch != null 5412 && defaultBrowserMatch.priority >= maxMatchPrio 5413 && !TextUtils.isEmpty(defaultBrowserPackageName)) 5414 { 5415 if (debug) { 5416 Slog.v(TAG, "Default browser match " + defaultBrowserMatch); 5417 } 5418 result.add(defaultBrowserMatch); 5419 } else { 5420 result.addAll(matchAllList); 5421 } 5422 } 5423 5424 // If there is nothing selected, add all candidates and remove the ones that the user 5425 // has explicitly put into the INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER state 5426 if (result.size() == 0) { 5427 result.addAll(candidates); 5428 result.removeAll(neverList); 5429 } 5430 } 5431 } 5432 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5433 Slog.v(TAG, "Filtered results with preferred activities. New candidates count: " + 5434 result.size()); 5435 for (ResolveInfo info : result) { 5436 Slog.v(TAG, " + " + info.activityInfo); 5437 } 5438 } 5439 return result; 5440 } 5441 5442 // Returns a packed value as a long: 5443 // 5444 // high 'int'-sized word: link status: undefined/ask/never/always. 5445 // low 'int'-sized word: relative priority among 'always' results. 5446 private long getDomainVerificationStatusLPr(PackageSetting ps, int userId) { 5447 long result = ps.getDomainVerificationStatusForUser(userId); 5448 // if none available, get the master status 5449 if (result >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 5450 if (ps.getIntentFilterVerificationInfo() != null) { 5451 result = ((long)ps.getIntentFilterVerificationInfo().getStatus()) << 32; 5452 } 5453 } 5454 return result; 5455 } 5456 5457 private ResolveInfo querySkipCurrentProfileIntents( 5458 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5459 int flags, int sourceUserId) { 5460 if (matchingFilters != null) { 5461 int size = matchingFilters.size(); 5462 for (int i = 0; i < size; i ++) { 5463 CrossProfileIntentFilter filter = matchingFilters.get(i); 5464 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 5465 // Checking if there are activities in the target user that can handle the 5466 // intent. 5467 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5468 resolvedType, flags, sourceUserId); 5469 if (resolveInfo != null) { 5470 return resolveInfo; 5471 } 5472 } 5473 } 5474 } 5475 return null; 5476 } 5477 5478 // Return matching ResolveInfo in target user if any. 5479 private ResolveInfo queryCrossProfileIntents( 5480 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5481 int flags, int sourceUserId, boolean matchInCurrentProfile) { 5482 if (matchingFilters != null) { 5483 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 5484 // match the same intent. For performance reasons, it is better not to 5485 // run queryIntent twice for the same userId 5486 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 5487 int size = matchingFilters.size(); 5488 for (int i = 0; i < size; i++) { 5489 CrossProfileIntentFilter filter = matchingFilters.get(i); 5490 int targetUserId = filter.getTargetUserId(); 5491 boolean skipCurrentProfile = 5492 (filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0; 5493 boolean skipCurrentProfileIfNoMatchFound = 5494 (filter.getFlags() & PackageManager.ONLY_IF_NO_MATCH_FOUND) != 0; 5495 if (!skipCurrentProfile && !alreadyTriedUserIds.get(targetUserId) 5496 && (!skipCurrentProfileIfNoMatchFound || !matchInCurrentProfile)) { 5497 // Checking if there are activities in the target user that can handle the 5498 // intent. 5499 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5500 resolvedType, flags, sourceUserId); 5501 if (resolveInfo != null) return resolveInfo; 5502 alreadyTriedUserIds.put(targetUserId, true); 5503 } 5504 } 5505 } 5506 return null; 5507 } 5508 5509 /** 5510 * If the filter's target user can handle the intent and is enabled: returns a ResolveInfo that 5511 * will forward the intent to the filter's target user. 5512 * Otherwise, returns null. 5513 */ 5514 private ResolveInfo createForwardingResolveInfo(CrossProfileIntentFilter filter, Intent intent, 5515 String resolvedType, int flags, int sourceUserId) { 5516 int targetUserId = filter.getTargetUserId(); 5517 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5518 resolvedType, flags, targetUserId); 5519 if (resultTargetUser != null && isUserEnabled(targetUserId)) { 5520 // If all the matches in the target profile are suspended, return null. 5521 for (int i = resultTargetUser.size() - 1; i >= 0; i--) { 5522 if ((resultTargetUser.get(i).activityInfo.applicationInfo.flags 5523 & ApplicationInfo.FLAG_SUSPENDED) == 0) { 5524 return createForwardingResolveInfoUnchecked(filter, sourceUserId, 5525 targetUserId); 5526 } 5527 } 5528 } 5529 return null; 5530 } 5531 5532 private ResolveInfo createForwardingResolveInfoUnchecked(IntentFilter filter, 5533 int sourceUserId, int targetUserId) { 5534 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 5535 long ident = Binder.clearCallingIdentity(); 5536 boolean targetIsProfile; 5537 try { 5538 targetIsProfile = sUserManager.getUserInfo(targetUserId).isManagedProfile(); 5539 } finally { 5540 Binder.restoreCallingIdentity(ident); 5541 } 5542 String className; 5543 if (targetIsProfile) { 5544 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 5545 } else { 5546 className = FORWARD_INTENT_TO_PARENT; 5547 } 5548 ComponentName forwardingActivityComponentName = new ComponentName( 5549 mAndroidApplication.packageName, className); 5550 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 5551 sourceUserId); 5552 if (!targetIsProfile) { 5553 forwardingActivityInfo.showUserIcon = targetUserId; 5554 forwardingResolveInfo.noResourceId = true; 5555 } 5556 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 5557 forwardingResolveInfo.priority = 0; 5558 forwardingResolveInfo.preferredOrder = 0; 5559 forwardingResolveInfo.match = 0; 5560 forwardingResolveInfo.isDefault = true; 5561 forwardingResolveInfo.filter = filter; 5562 forwardingResolveInfo.targetUserId = targetUserId; 5563 return forwardingResolveInfo; 5564 } 5565 5566 @Override 5567 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 5568 Intent[] specifics, String[] specificTypes, Intent intent, 5569 String resolvedType, int flags, int userId) { 5570 return new ParceledListSlice<>(queryIntentActivityOptionsInternal(caller, specifics, 5571 specificTypes, intent, resolvedType, flags, userId)); 5572 } 5573 5574 private @NonNull List<ResolveInfo> queryIntentActivityOptionsInternal(ComponentName caller, 5575 Intent[] specifics, String[] specificTypes, Intent intent, 5576 String resolvedType, int flags, int userId) { 5577 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5578 flags = updateFlagsForResolve(flags, userId, intent); 5579 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5580 false /* requireFullPermission */, false /* checkShell */, 5581 "query intent activity options"); 5582 final String resultsAction = intent.getAction(); 5583 5584 final List<ResolveInfo> results = queryIntentActivitiesInternal(intent, resolvedType, flags 5585 | PackageManager.GET_RESOLVED_FILTER, userId); 5586 5587 if (DEBUG_INTENT_MATCHING) { 5588 Log.v(TAG, "Query " + intent + ": " + results); 5589 } 5590 5591 int specificsPos = 0; 5592 int N; 5593 5594 // todo: note that the algorithm used here is O(N^2). This 5595 // isn't a problem in our current environment, but if we start running 5596 // into situations where we have more than 5 or 10 matches then this 5597 // should probably be changed to something smarter... 5598 5599 // First we go through and resolve each of the specific items 5600 // that were supplied, taking care of removing any corresponding 5601 // duplicate items in the generic resolve list. 5602 if (specifics != null) { 5603 for (int i=0; i<specifics.length; i++) { 5604 final Intent sintent = specifics[i]; 5605 if (sintent == null) { 5606 continue; 5607 } 5608 5609 if (DEBUG_INTENT_MATCHING) { 5610 Log.v(TAG, "Specific #" + i + ": " + sintent); 5611 } 5612 5613 String action = sintent.getAction(); 5614 if (resultsAction != null && resultsAction.equals(action)) { 5615 // If this action was explicitly requested, then don't 5616 // remove things that have it. 5617 action = null; 5618 } 5619 5620 ResolveInfo ri = null; 5621 ActivityInfo ai = null; 5622 5623 ComponentName comp = sintent.getComponent(); 5624 if (comp == null) { 5625 ri = resolveIntent( 5626 sintent, 5627 specificTypes != null ? specificTypes[i] : null, 5628 flags, userId); 5629 if (ri == null) { 5630 continue; 5631 } 5632 if (ri == mResolveInfo) { 5633 // ACK! Must do something better with this. 5634 } 5635 ai = ri.activityInfo; 5636 comp = new ComponentName(ai.applicationInfo.packageName, 5637 ai.name); 5638 } else { 5639 ai = getActivityInfo(comp, flags, userId); 5640 if (ai == null) { 5641 continue; 5642 } 5643 } 5644 5645 // Look for any generic query activities that are duplicates 5646 // of this specific one, and remove them from the results. 5647 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 5648 N = results.size(); 5649 int j; 5650 for (j=specificsPos; j<N; j++) { 5651 ResolveInfo sri = results.get(j); 5652 if ((sri.activityInfo.name.equals(comp.getClassName()) 5653 && sri.activityInfo.applicationInfo.packageName.equals( 5654 comp.getPackageName())) 5655 || (action != null && sri.filter.matchAction(action))) { 5656 results.remove(j); 5657 if (DEBUG_INTENT_MATCHING) Log.v( 5658 TAG, "Removing duplicate item from " + j 5659 + " due to specific " + specificsPos); 5660 if (ri == null) { 5661 ri = sri; 5662 } 5663 j--; 5664 N--; 5665 } 5666 } 5667 5668 // Add this specific item to its proper place. 5669 if (ri == null) { 5670 ri = new ResolveInfo(); 5671 ri.activityInfo = ai; 5672 } 5673 results.add(specificsPos, ri); 5674 ri.specificIndex = i; 5675 specificsPos++; 5676 } 5677 } 5678 5679 // Now we go through the remaining generic results and remove any 5680 // duplicate actions that are found here. 5681 N = results.size(); 5682 for (int i=specificsPos; i<N-1; i++) { 5683 final ResolveInfo rii = results.get(i); 5684 if (rii.filter == null) { 5685 continue; 5686 } 5687 5688 // Iterate over all of the actions of this result's intent 5689 // filter... typically this should be just one. 5690 final Iterator<String> it = rii.filter.actionsIterator(); 5691 if (it == null) { 5692 continue; 5693 } 5694 while (it.hasNext()) { 5695 final String action = it.next(); 5696 if (resultsAction != null && resultsAction.equals(action)) { 5697 // If this action was explicitly requested, then don't 5698 // remove things that have it. 5699 continue; 5700 } 5701 for (int j=i+1; j<N; j++) { 5702 final ResolveInfo rij = results.get(j); 5703 if (rij.filter != null && rij.filter.hasAction(action)) { 5704 results.remove(j); 5705 if (DEBUG_INTENT_MATCHING) Log.v( 5706 TAG, "Removing duplicate item from " + j 5707 + " due to action " + action + " at " + i); 5708 j--; 5709 N--; 5710 } 5711 } 5712 } 5713 5714 // If the caller didn't request filter information, drop it now 5715 // so we don't have to marshall/unmarshall it. 5716 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 5717 rii.filter = null; 5718 } 5719 } 5720 5721 // Filter out the caller activity if so requested. 5722 if (caller != null) { 5723 N = results.size(); 5724 for (int i=0; i<N; i++) { 5725 ActivityInfo ainfo = results.get(i).activityInfo; 5726 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 5727 && caller.getClassName().equals(ainfo.name)) { 5728 results.remove(i); 5729 break; 5730 } 5731 } 5732 } 5733 5734 // If the caller didn't request filter information, 5735 // drop them now so we don't have to 5736 // marshall/unmarshall it. 5737 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 5738 N = results.size(); 5739 for (int i=0; i<N; i++) { 5740 results.get(i).filter = null; 5741 } 5742 } 5743 5744 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 5745 return results; 5746 } 5747 5748 @Override 5749 public @NonNull ParceledListSlice<ResolveInfo> queryIntentReceivers(Intent intent, 5750 String resolvedType, int flags, int userId) { 5751 return new ParceledListSlice<>( 5752 queryIntentReceiversInternal(intent, resolvedType, flags, userId)); 5753 } 5754 5755 private @NonNull List<ResolveInfo> queryIntentReceiversInternal(Intent intent, 5756 String resolvedType, int flags, int userId) { 5757 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5758 flags = updateFlagsForResolve(flags, userId, intent); 5759 ComponentName comp = intent.getComponent(); 5760 if (comp == null) { 5761 if (intent.getSelector() != null) { 5762 intent = intent.getSelector(); 5763 comp = intent.getComponent(); 5764 } 5765 } 5766 if (comp != null) { 5767 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5768 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 5769 if (ai != null) { 5770 ResolveInfo ri = new ResolveInfo(); 5771 ri.activityInfo = ai; 5772 list.add(ri); 5773 } 5774 return list; 5775 } 5776 5777 // reader 5778 synchronized (mPackages) { 5779 String pkgName = intent.getPackage(); 5780 if (pkgName == null) { 5781 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 5782 } 5783 final PackageParser.Package pkg = mPackages.get(pkgName); 5784 if (pkg != null) { 5785 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 5786 userId); 5787 } 5788 return Collections.emptyList(); 5789 } 5790 } 5791 5792 @Override 5793 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 5794 if (!sUserManager.exists(userId)) return null; 5795 flags = updateFlagsForResolve(flags, userId, intent); 5796 List<ResolveInfo> query = queryIntentServicesInternal(intent, resolvedType, flags, userId); 5797 if (query != null) { 5798 if (query.size() >= 1) { 5799 // If there is more than one service with the same priority, 5800 // just arbitrarily pick the first one. 5801 return query.get(0); 5802 } 5803 } 5804 return null; 5805 } 5806 5807 @Override 5808 public @NonNull ParceledListSlice<ResolveInfo> queryIntentServices(Intent intent, 5809 String resolvedType, int flags, int userId) { 5810 return new ParceledListSlice<>( 5811 queryIntentServicesInternal(intent, resolvedType, flags, userId)); 5812 } 5813 5814 private @NonNull List<ResolveInfo> queryIntentServicesInternal(Intent intent, 5815 String resolvedType, int flags, int userId) { 5816 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5817 flags = updateFlagsForResolve(flags, userId, intent); 5818 ComponentName comp = intent.getComponent(); 5819 if (comp == null) { 5820 if (intent.getSelector() != null) { 5821 intent = intent.getSelector(); 5822 comp = intent.getComponent(); 5823 } 5824 } 5825 if (comp != null) { 5826 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5827 final ServiceInfo si = getServiceInfo(comp, flags, userId); 5828 if (si != null) { 5829 final ResolveInfo ri = new ResolveInfo(); 5830 ri.serviceInfo = si; 5831 list.add(ri); 5832 } 5833 return list; 5834 } 5835 5836 // reader 5837 synchronized (mPackages) { 5838 String pkgName = intent.getPackage(); 5839 if (pkgName == null) { 5840 return mServices.queryIntent(intent, resolvedType, flags, userId); 5841 } 5842 final PackageParser.Package pkg = mPackages.get(pkgName); 5843 if (pkg != null) { 5844 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 5845 userId); 5846 } 5847 return Collections.emptyList(); 5848 } 5849 } 5850 5851 @Override 5852 public @NonNull ParceledListSlice<ResolveInfo> queryIntentContentProviders(Intent intent, 5853 String resolvedType, int flags, int userId) { 5854 return new ParceledListSlice<>( 5855 queryIntentContentProvidersInternal(intent, resolvedType, flags, userId)); 5856 } 5857 5858 private @NonNull List<ResolveInfo> queryIntentContentProvidersInternal( 5859 Intent intent, String resolvedType, int flags, int userId) { 5860 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5861 flags = updateFlagsForResolve(flags, userId, intent); 5862 ComponentName comp = intent.getComponent(); 5863 if (comp == null) { 5864 if (intent.getSelector() != null) { 5865 intent = intent.getSelector(); 5866 comp = intent.getComponent(); 5867 } 5868 } 5869 if (comp != null) { 5870 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5871 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 5872 if (pi != null) { 5873 final ResolveInfo ri = new ResolveInfo(); 5874 ri.providerInfo = pi; 5875 list.add(ri); 5876 } 5877 return list; 5878 } 5879 5880 // reader 5881 synchronized (mPackages) { 5882 String pkgName = intent.getPackage(); 5883 if (pkgName == null) { 5884 return mProviders.queryIntent(intent, resolvedType, flags, userId); 5885 } 5886 final PackageParser.Package pkg = mPackages.get(pkgName); 5887 if (pkg != null) { 5888 return mProviders.queryIntentForPackage( 5889 intent, resolvedType, flags, pkg.providers, userId); 5890 } 5891 return Collections.emptyList(); 5892 } 5893 } 5894 5895 @Override 5896 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 5897 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 5898 flags = updateFlagsForPackage(flags, userId, null); 5899 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 5900 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5901 true /* requireFullPermission */, false /* checkShell */, 5902 "get installed packages"); 5903 5904 // writer 5905 synchronized (mPackages) { 5906 ArrayList<PackageInfo> list; 5907 if (listUninstalled) { 5908 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 5909 for (PackageSetting ps : mSettings.mPackages.values()) { 5910 final PackageInfo pi; 5911 if (ps.pkg != null) { 5912 pi = generatePackageInfo(ps, flags, userId); 5913 } else { 5914 pi = generatePackageInfo(ps, flags, userId); 5915 } 5916 if (pi != null) { 5917 list.add(pi); 5918 } 5919 } 5920 } else { 5921 list = new ArrayList<PackageInfo>(mPackages.size()); 5922 for (PackageParser.Package p : mPackages.values()) { 5923 final PackageInfo pi = 5924 generatePackageInfo((PackageSetting)p.mExtras, flags, userId); 5925 if (pi != null) { 5926 list.add(pi); 5927 } 5928 } 5929 } 5930 5931 return new ParceledListSlice<PackageInfo>(list); 5932 } 5933 } 5934 5935 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 5936 String[] permissions, boolean[] tmp, int flags, int userId) { 5937 int numMatch = 0; 5938 final PermissionsState permissionsState = ps.getPermissionsState(); 5939 for (int i=0; i<permissions.length; i++) { 5940 final String permission = permissions[i]; 5941 if (permissionsState.hasPermission(permission, userId)) { 5942 tmp[i] = true; 5943 numMatch++; 5944 } else { 5945 tmp[i] = false; 5946 } 5947 } 5948 if (numMatch == 0) { 5949 return; 5950 } 5951 final PackageInfo pi; 5952 if (ps.pkg != null) { 5953 pi = generatePackageInfo(ps, flags, userId); 5954 } else { 5955 pi = generatePackageInfo(ps, flags, userId); 5956 } 5957 // The above might return null in cases of uninstalled apps or install-state 5958 // skew across users/profiles. 5959 if (pi != null) { 5960 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 5961 if (numMatch == permissions.length) { 5962 pi.requestedPermissions = permissions; 5963 } else { 5964 pi.requestedPermissions = new String[numMatch]; 5965 numMatch = 0; 5966 for (int i=0; i<permissions.length; i++) { 5967 if (tmp[i]) { 5968 pi.requestedPermissions[numMatch] = permissions[i]; 5969 numMatch++; 5970 } 5971 } 5972 } 5973 } 5974 list.add(pi); 5975 } 5976 } 5977 5978 @Override 5979 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 5980 String[] permissions, int flags, int userId) { 5981 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 5982 flags = updateFlagsForPackage(flags, userId, permissions); 5983 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 5984 5985 // writer 5986 synchronized (mPackages) { 5987 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 5988 boolean[] tmpBools = new boolean[permissions.length]; 5989 if (listUninstalled) { 5990 for (PackageSetting ps : mSettings.mPackages.values()) { 5991 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 5992 } 5993 } else { 5994 for (PackageParser.Package pkg : mPackages.values()) { 5995 PackageSetting ps = (PackageSetting)pkg.mExtras; 5996 if (ps != null) { 5997 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 5998 userId); 5999 } 6000 } 6001 } 6002 6003 return new ParceledListSlice<PackageInfo>(list); 6004 } 6005 } 6006 6007 @Override 6008 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 6009 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6010 flags = updateFlagsForApplication(flags, userId, null); 6011 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6012 6013 // writer 6014 synchronized (mPackages) { 6015 ArrayList<ApplicationInfo> list; 6016 if (listUninstalled) { 6017 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 6018 for (PackageSetting ps : mSettings.mPackages.values()) { 6019 ApplicationInfo ai; 6020 if (ps.pkg != null) { 6021 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 6022 ps.readUserState(userId), userId); 6023 } else { 6024 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 6025 } 6026 if (ai != null) { 6027 list.add(ai); 6028 } 6029 } 6030 } else { 6031 list = new ArrayList<ApplicationInfo>(mPackages.size()); 6032 for (PackageParser.Package p : mPackages.values()) { 6033 if (p.mExtras != null) { 6034 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 6035 ((PackageSetting)p.mExtras).readUserState(userId), userId); 6036 if (ai != null) { 6037 list.add(ai); 6038 } 6039 } 6040 } 6041 } 6042 6043 return new ParceledListSlice<ApplicationInfo>(list); 6044 } 6045 } 6046 6047 @Override 6048 public ParceledListSlice<EphemeralApplicationInfo> getEphemeralApplications(int userId) { 6049 if (DISABLE_EPHEMERAL_APPS) { 6050 return null; 6051 } 6052 6053 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 6054 "getEphemeralApplications"); 6055 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6056 true /* requireFullPermission */, false /* checkShell */, 6057 "getEphemeralApplications"); 6058 synchronized (mPackages) { 6059 List<EphemeralApplicationInfo> ephemeralApps = mEphemeralApplicationRegistry 6060 .getEphemeralApplicationsLPw(userId); 6061 if (ephemeralApps != null) { 6062 return new ParceledListSlice<>(ephemeralApps); 6063 } 6064 } 6065 return null; 6066 } 6067 6068 @Override 6069 public boolean isEphemeralApplication(String packageName, int userId) { 6070 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6071 true /* requireFullPermission */, false /* checkShell */, 6072 "isEphemeral"); 6073 if (DISABLE_EPHEMERAL_APPS) { 6074 return false; 6075 } 6076 6077 if (!isCallerSameApp(packageName)) { 6078 return false; 6079 } 6080 synchronized (mPackages) { 6081 PackageParser.Package pkg = mPackages.get(packageName); 6082 if (pkg != null) { 6083 return pkg.applicationInfo.isEphemeralApp(); 6084 } 6085 } 6086 return false; 6087 } 6088 6089 @Override 6090 public byte[] getEphemeralApplicationCookie(String packageName, int userId) { 6091 if (DISABLE_EPHEMERAL_APPS) { 6092 return null; 6093 } 6094 6095 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6096 true /* requireFullPermission */, false /* checkShell */, 6097 "getCookie"); 6098 if (!isCallerSameApp(packageName)) { 6099 return null; 6100 } 6101 synchronized (mPackages) { 6102 return mEphemeralApplicationRegistry.getEphemeralApplicationCookieLPw( 6103 packageName, userId); 6104 } 6105 } 6106 6107 @Override 6108 public boolean setEphemeralApplicationCookie(String packageName, byte[] cookie, int userId) { 6109 if (DISABLE_EPHEMERAL_APPS) { 6110 return true; 6111 } 6112 6113 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6114 true /* requireFullPermission */, true /* checkShell */, 6115 "setCookie"); 6116 if (!isCallerSameApp(packageName)) { 6117 return false; 6118 } 6119 synchronized (mPackages) { 6120 return mEphemeralApplicationRegistry.setEphemeralApplicationCookieLPw( 6121 packageName, cookie, userId); 6122 } 6123 } 6124 6125 @Override 6126 public Bitmap getEphemeralApplicationIcon(String packageName, int userId) { 6127 if (DISABLE_EPHEMERAL_APPS) { 6128 return null; 6129 } 6130 6131 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 6132 "getEphemeralApplicationIcon"); 6133 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6134 true /* requireFullPermission */, false /* checkShell */, 6135 "getEphemeralApplicationIcon"); 6136 synchronized (mPackages) { 6137 return mEphemeralApplicationRegistry.getEphemeralApplicationIconLPw( 6138 packageName, userId); 6139 } 6140 } 6141 6142 private boolean isCallerSameApp(String packageName) { 6143 PackageParser.Package pkg = mPackages.get(packageName); 6144 return pkg != null 6145 && UserHandle.getAppId(Binder.getCallingUid()) == pkg.applicationInfo.uid; 6146 } 6147 6148 @Override 6149 public @NonNull ParceledListSlice<ApplicationInfo> getPersistentApplications(int flags) { 6150 return new ParceledListSlice<>(getPersistentApplicationsInternal(flags)); 6151 } 6152 6153 private @NonNull List<ApplicationInfo> getPersistentApplicationsInternal(int flags) { 6154 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 6155 6156 // reader 6157 synchronized (mPackages) { 6158 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 6159 final int userId = UserHandle.getCallingUserId(); 6160 while (i.hasNext()) { 6161 final PackageParser.Package p = i.next(); 6162 if (p.applicationInfo == null) continue; 6163 6164 final boolean matchesUnaware = ((flags & MATCH_DIRECT_BOOT_UNAWARE) != 0) 6165 && !p.applicationInfo.isDirectBootAware(); 6166 final boolean matchesAware = ((flags & MATCH_DIRECT_BOOT_AWARE) != 0) 6167 && p.applicationInfo.isDirectBootAware(); 6168 6169 if ((p.applicationInfo.flags & ApplicationInfo.FLAG_PERSISTENT) != 0 6170 && (!mSafeMode || isSystemApp(p)) 6171 && (matchesUnaware || matchesAware)) { 6172 PackageSetting ps = mSettings.mPackages.get(p.packageName); 6173 if (ps != null) { 6174 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 6175 ps.readUserState(userId), userId); 6176 if (ai != null) { 6177 finalList.add(ai); 6178 } 6179 } 6180 } 6181 } 6182 } 6183 6184 return finalList; 6185 } 6186 6187 @Override 6188 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 6189 if (!sUserManager.exists(userId)) return null; 6190 flags = updateFlagsForComponent(flags, userId, name); 6191 // reader 6192 synchronized (mPackages) { 6193 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 6194 PackageSetting ps = provider != null 6195 ? mSettings.mPackages.get(provider.owner.packageName) 6196 : null; 6197 return ps != null 6198 && mSettings.isEnabledAndMatchLPr(provider.info, flags, userId) 6199 ? PackageParser.generateProviderInfo(provider, flags, 6200 ps.readUserState(userId), userId) 6201 : null; 6202 } 6203 } 6204 6205 /** 6206 * @deprecated 6207 */ 6208 @Deprecated 6209 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 6210 // reader 6211 synchronized (mPackages) { 6212 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 6213 .entrySet().iterator(); 6214 final int userId = UserHandle.getCallingUserId(); 6215 while (i.hasNext()) { 6216 Map.Entry<String, PackageParser.Provider> entry = i.next(); 6217 PackageParser.Provider p = entry.getValue(); 6218 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6219 6220 if (ps != null && p.syncable 6221 && (!mSafeMode || (p.info.applicationInfo.flags 6222 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 6223 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 6224 ps.readUserState(userId), userId); 6225 if (info != null) { 6226 outNames.add(entry.getKey()); 6227 outInfo.add(info); 6228 } 6229 } 6230 } 6231 } 6232 } 6233 6234 @Override 6235 public @NonNull ParceledListSlice<ProviderInfo> queryContentProviders(String processName, 6236 int uid, int flags) { 6237 final int userId = processName != null ? UserHandle.getUserId(uid) 6238 : UserHandle.getCallingUserId(); 6239 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6240 flags = updateFlagsForComponent(flags, userId, processName); 6241 6242 ArrayList<ProviderInfo> finalList = null; 6243 // reader 6244 synchronized (mPackages) { 6245 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 6246 while (i.hasNext()) { 6247 final PackageParser.Provider p = i.next(); 6248 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6249 if (ps != null && p.info.authority != null 6250 && (processName == null 6251 || (p.info.processName.equals(processName) 6252 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 6253 && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 6254 if (finalList == null) { 6255 finalList = new ArrayList<ProviderInfo>(3); 6256 } 6257 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 6258 ps.readUserState(userId), userId); 6259 if (info != null) { 6260 finalList.add(info); 6261 } 6262 } 6263 } 6264 } 6265 6266 if (finalList != null) { 6267 Collections.sort(finalList, mProviderInitOrderSorter); 6268 return new ParceledListSlice<ProviderInfo>(finalList); 6269 } 6270 6271 return ParceledListSlice.emptyList(); 6272 } 6273 6274 @Override 6275 public InstrumentationInfo getInstrumentationInfo(ComponentName name, int flags) { 6276 // reader 6277 synchronized (mPackages) { 6278 final PackageParser.Instrumentation i = mInstrumentation.get(name); 6279 return PackageParser.generateInstrumentationInfo(i, flags); 6280 } 6281 } 6282 6283 @Override 6284 public @NonNull ParceledListSlice<InstrumentationInfo> queryInstrumentation( 6285 String targetPackage, int flags) { 6286 return new ParceledListSlice<>(queryInstrumentationInternal(targetPackage, flags)); 6287 } 6288 6289 private @NonNull List<InstrumentationInfo> queryInstrumentationInternal(String targetPackage, 6290 int flags) { 6291 ArrayList<InstrumentationInfo> finalList = new ArrayList<InstrumentationInfo>(); 6292 6293 // reader 6294 synchronized (mPackages) { 6295 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 6296 while (i.hasNext()) { 6297 final PackageParser.Instrumentation p = i.next(); 6298 if (targetPackage == null 6299 || targetPackage.equals(p.info.targetPackage)) { 6300 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 6301 flags); 6302 if (ii != null) { 6303 finalList.add(ii); 6304 } 6305 } 6306 } 6307 } 6308 6309 return finalList; 6310 } 6311 6312 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 6313 ArrayMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 6314 if (overlays == null) { 6315 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 6316 return; 6317 } 6318 for (PackageParser.Package opkg : overlays.values()) { 6319 // Not much to do if idmap fails: we already logged the error 6320 // and we certainly don't want to abort installation of pkg simply 6321 // because an overlay didn't fit properly. For these reasons, 6322 // ignore the return value of createIdmapForPackagePairLI. 6323 createIdmapForPackagePairLI(pkg, opkg); 6324 } 6325 } 6326 6327 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 6328 PackageParser.Package opkg) { 6329 if (!opkg.mTrustedOverlay) { 6330 Slog.w(TAG, "Skipping target and overlay pair " + pkg.baseCodePath + " and " + 6331 opkg.baseCodePath + ": overlay not trusted"); 6332 return false; 6333 } 6334 ArrayMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 6335 if (overlaySet == null) { 6336 Slog.e(TAG, "was about to create idmap for " + pkg.baseCodePath + " and " + 6337 opkg.baseCodePath + " but target package has no known overlays"); 6338 return false; 6339 } 6340 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 6341 // TODO: generate idmap for split APKs 6342 try { 6343 mInstaller.idmap(pkg.baseCodePath, opkg.baseCodePath, sharedGid); 6344 } catch (InstallerException e) { 6345 Slog.e(TAG, "Failed to generate idmap for " + pkg.baseCodePath + " and " 6346 + opkg.baseCodePath); 6347 return false; 6348 } 6349 PackageParser.Package[] overlayArray = 6350 overlaySet.values().toArray(new PackageParser.Package[0]); 6351 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 6352 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 6353 return p1.mOverlayPriority - p2.mOverlayPriority; 6354 } 6355 }; 6356 Arrays.sort(overlayArray, cmp); 6357 6358 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 6359 int i = 0; 6360 for (PackageParser.Package p : overlayArray) { 6361 pkg.applicationInfo.resourceDirs[i++] = p.baseCodePath; 6362 } 6363 return true; 6364 } 6365 6366 private void scanDirTracedLI(File dir, int parseFlags, int scanFlags, long currentTime) { 6367 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanDir"); 6368 try { 6369 scanDirLI(dir, parseFlags, scanFlags, currentTime); 6370 } finally { 6371 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6372 } 6373 } 6374 6375 private void scanDirLI(File dir, int parseFlags, int scanFlags, long currentTime) { 6376 final File[] files = dir.listFiles(); 6377 if (ArrayUtils.isEmpty(files)) { 6378 Log.d(TAG, "No files in app dir " + dir); 6379 return; 6380 } 6381 6382 if (DEBUG_PACKAGE_SCANNING) { 6383 Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags 6384 + " flags=0x" + Integer.toHexString(parseFlags)); 6385 } 6386 6387 for (File file : files) { 6388 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 6389 && !PackageInstallerService.isStageName(file.getName()); 6390 if (!isPackage) { 6391 // Ignore entries which are not packages 6392 continue; 6393 } 6394 try { 6395 scanPackageTracedLI(file, parseFlags | PackageParser.PARSE_MUST_BE_APK, 6396 scanFlags, currentTime, null); 6397 } catch (PackageManagerException e) { 6398 Slog.w(TAG, "Failed to parse " + file + ": " + e.getMessage()); 6399 6400 // Delete invalid userdata apps 6401 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 && 6402 e.error == PackageManager.INSTALL_FAILED_INVALID_APK) { 6403 logCriticalInfo(Log.WARN, "Deleting invalid package at " + file); 6404 removeCodePathLI(file); 6405 } 6406 } 6407 } 6408 } 6409 6410 private static File getSettingsProblemFile() { 6411 File dataDir = Environment.getDataDirectory(); 6412 File systemDir = new File(dataDir, "system"); 6413 File fname = new File(systemDir, "uiderrors.txt"); 6414 return fname; 6415 } 6416 6417 static void reportSettingsProblem(int priority, String msg) { 6418 logCriticalInfo(priority, msg); 6419 } 6420 6421 static void logCriticalInfo(int priority, String msg) { 6422 Slog.println(priority, TAG, msg); 6423 EventLogTags.writePmCriticalInfo(msg); 6424 try { 6425 File fname = getSettingsProblemFile(); 6426 FileOutputStream out = new FileOutputStream(fname, true); 6427 PrintWriter pw = new FastPrintWriter(out); 6428 SimpleDateFormat formatter = new SimpleDateFormat(); 6429 String dateString = formatter.format(new Date(System.currentTimeMillis())); 6430 pw.println(dateString + ": " + msg); 6431 pw.close(); 6432 FileUtils.setPermissions( 6433 fname.toString(), 6434 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 6435 -1, -1); 6436 } catch (java.io.IOException e) { 6437 } 6438 } 6439 6440 private void collectCertificatesLI(PackageSetting ps, PackageParser.Package pkg, File srcFile, 6441 int parseFlags) throws PackageManagerException { 6442 if (ps != null 6443 && ps.codePath.equals(srcFile) 6444 && ps.timeStamp == srcFile.lastModified() 6445 && !isCompatSignatureUpdateNeeded(pkg) 6446 && !isRecoverSignatureUpdateNeeded(pkg)) { 6447 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 6448 KeySetManagerService ksms = mSettings.mKeySetManagerService; 6449 ArraySet<PublicKey> signingKs; 6450 synchronized (mPackages) { 6451 signingKs = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId); 6452 } 6453 if (ps.signatures.mSignatures != null 6454 && ps.signatures.mSignatures.length != 0 6455 && signingKs != null) { 6456 // Optimization: reuse the existing cached certificates 6457 // if the package appears to be unchanged. 6458 pkg.mSignatures = ps.signatures.mSignatures; 6459 pkg.mSigningKeys = signingKs; 6460 return; 6461 } 6462 6463 Slog.w(TAG, "PackageSetting for " + ps.name 6464 + " is missing signatures. Collecting certs again to recover them."); 6465 } else { 6466 Log.i(TAG, srcFile.toString() + " changed; collecting certs"); 6467 } 6468 6469 try { 6470 PackageParser.collectCertificates(pkg, parseFlags); 6471 } catch (PackageParserException e) { 6472 throw PackageManagerException.from(e); 6473 } 6474 } 6475 6476 /** 6477 * Traces a package scan. 6478 * @see #scanPackageLI(File, int, int, long, UserHandle) 6479 */ 6480 private PackageParser.Package scanPackageTracedLI(File scanFile, int parseFlags, int scanFlags, 6481 long currentTime, UserHandle user) throws PackageManagerException { 6482 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 6483 try { 6484 return scanPackageLI(scanFile, parseFlags, scanFlags, currentTime, user); 6485 } finally { 6486 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6487 } 6488 } 6489 6490 /** 6491 * Scans a package and returns the newly parsed package. 6492 * Returns {@code null} in case of errors and the error code is stored in mLastScanError 6493 */ 6494 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags, 6495 long currentTime, UserHandle user) throws PackageManagerException { 6496 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 6497 parseFlags |= mDefParseFlags; 6498 PackageParser pp = new PackageParser(); 6499 pp.setSeparateProcesses(mSeparateProcesses); 6500 pp.setOnlyCoreApps(mOnlyCore); 6501 pp.setDisplayMetrics(mMetrics); 6502 6503 if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) { 6504 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 6505 } 6506 6507 final PackageParser.Package pkg; 6508 try { 6509 pkg = pp.parsePackage(scanFile, parseFlags); 6510 } catch (PackageParserException e) { 6511 throw PackageManagerException.from(e); 6512 } 6513 6514 return scanPackageLI(pkg, scanFile, parseFlags, scanFlags, currentTime, user); 6515 } 6516 6517 /** 6518 * Scans a package and returns the newly parsed package. 6519 * @throws PackageManagerException on a parse error. 6520 */ 6521 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, File scanFile, 6522 int parseFlags, int scanFlags, long currentTime, UserHandle user) 6523 throws PackageManagerException { 6524 // If the package has children and this is the first dive in the function 6525 // we scan the package with the SCAN_CHECK_ONLY flag set to see whether all 6526 // packages (parent and children) would be successfully scanned before the 6527 // actual scan since scanning mutates internal state and we want to atomically 6528 // install the package and its children. 6529 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 6530 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 6531 scanFlags |= SCAN_CHECK_ONLY; 6532 } 6533 } else { 6534 scanFlags &= ~SCAN_CHECK_ONLY; 6535 } 6536 6537 // Scan the parent 6538 PackageParser.Package scannedPkg = scanPackageInternalLI(pkg, scanFile, parseFlags, 6539 scanFlags, currentTime, user); 6540 6541 // Scan the children 6542 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 6543 for (int i = 0; i < childCount; i++) { 6544 PackageParser.Package childPackage = pkg.childPackages.get(i); 6545 scanPackageInternalLI(childPackage, scanFile, parseFlags, scanFlags, 6546 currentTime, user); 6547 } 6548 6549 6550 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 6551 return scanPackageLI(pkg, scanFile, parseFlags, scanFlags, currentTime, user); 6552 } 6553 6554 return scannedPkg; 6555 } 6556 6557 /** 6558 * Scans a package and returns the newly parsed package. 6559 * @throws PackageManagerException on a parse error. 6560 */ 6561 private PackageParser.Package scanPackageInternalLI(PackageParser.Package pkg, File scanFile, 6562 int parseFlags, int scanFlags, long currentTime, UserHandle user) 6563 throws PackageManagerException { 6564 PackageSetting ps = null; 6565 PackageSetting updatedPkg; 6566 // reader 6567 synchronized (mPackages) { 6568 // Look to see if we already know about this package. 6569 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 6570 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 6571 // This package has been renamed to its original name. Let's 6572 // use that. 6573 ps = mSettings.peekPackageLPr(oldName); 6574 } 6575 // If there was no original package, see one for the real package name. 6576 if (ps == null) { 6577 ps = mSettings.peekPackageLPr(pkg.packageName); 6578 } 6579 // Check to see if this package could be hiding/updating a system 6580 // package. Must look for it either under the original or real 6581 // package name depending on our state. 6582 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 6583 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 6584 6585 // If this is a package we don't know about on the system partition, we 6586 // may need to remove disabled child packages on the system partition 6587 // or may need to not add child packages if the parent apk is updated 6588 // on the data partition and no longer defines this child package. 6589 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6590 // If this is a parent package for an updated system app and this system 6591 // app got an OTA update which no longer defines some of the child packages 6592 // we have to prune them from the disabled system packages. 6593 PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(pkg.packageName); 6594 if (disabledPs != null) { 6595 final int scannedChildCount = (pkg.childPackages != null) 6596 ? pkg.childPackages.size() : 0; 6597 final int disabledChildCount = disabledPs.childPackageNames != null 6598 ? disabledPs.childPackageNames.size() : 0; 6599 for (int i = 0; i < disabledChildCount; i++) { 6600 String disabledChildPackageName = disabledPs.childPackageNames.get(i); 6601 boolean disabledPackageAvailable = false; 6602 for (int j = 0; j < scannedChildCount; j++) { 6603 PackageParser.Package childPkg = pkg.childPackages.get(j); 6604 if (childPkg.packageName.equals(disabledChildPackageName)) { 6605 disabledPackageAvailable = true; 6606 break; 6607 } 6608 } 6609 if (!disabledPackageAvailable) { 6610 mSettings.removeDisabledSystemPackageLPw(disabledChildPackageName); 6611 } 6612 } 6613 } 6614 } 6615 } 6616 6617 boolean updatedPkgBetter = false; 6618 // First check if this is a system package that may involve an update 6619 if (updatedPkg != null && (parseFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6620 // If new package is not located in "/system/priv-app" (e.g. due to an OTA), 6621 // it needs to drop FLAG_PRIVILEGED. 6622 if (locationIsPrivileged(scanFile)) { 6623 updatedPkg.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6624 } else { 6625 updatedPkg.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6626 } 6627 6628 if (ps != null && !ps.codePath.equals(scanFile)) { 6629 // The path has changed from what was last scanned... check the 6630 // version of the new path against what we have stored to determine 6631 // what to do. 6632 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 6633 if (pkg.mVersionCode <= ps.versionCode) { 6634 // The system package has been updated and the code path does not match 6635 // Ignore entry. Skip it. 6636 if (DEBUG_INSTALL) Slog.i(TAG, "Package " + ps.name + " at " + scanFile 6637 + " ignored: updated version " + ps.versionCode 6638 + " better than this " + pkg.mVersionCode); 6639 if (!updatedPkg.codePath.equals(scanFile)) { 6640 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg " 6641 + ps.name + " changing from " + updatedPkg.codePathString 6642 + " to " + scanFile); 6643 updatedPkg.codePath = scanFile; 6644 updatedPkg.codePathString = scanFile.toString(); 6645 updatedPkg.resourcePath = scanFile; 6646 updatedPkg.resourcePathString = scanFile.toString(); 6647 } 6648 updatedPkg.pkg = pkg; 6649 updatedPkg.versionCode = pkg.mVersionCode; 6650 6651 // Update the disabled system child packages to point to the package too. 6652 final int childCount = updatedPkg.childPackageNames != null 6653 ? updatedPkg.childPackageNames.size() : 0; 6654 for (int i = 0; i < childCount; i++) { 6655 String childPackageName = updatedPkg.childPackageNames.get(i); 6656 PackageSetting updatedChildPkg = mSettings.getDisabledSystemPkgLPr( 6657 childPackageName); 6658 if (updatedChildPkg != null) { 6659 updatedChildPkg.pkg = pkg; 6660 updatedChildPkg.versionCode = pkg.mVersionCode; 6661 } 6662 } 6663 6664 throw new PackageManagerException(Log.WARN, "Package " + ps.name + " at " 6665 + scanFile + " ignored: updated version " + ps.versionCode 6666 + " better than this " + pkg.mVersionCode); 6667 } else { 6668 // The current app on the system partition is better than 6669 // what we have updated to on the data partition; switch 6670 // back to the system partition version. 6671 // At this point, its safely assumed that package installation for 6672 // apps in system partition will go through. If not there won't be a working 6673 // version of the app 6674 // writer 6675 synchronized (mPackages) { 6676 // Just remove the loaded entries from package lists. 6677 mPackages.remove(ps.name); 6678 } 6679 6680 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 6681 + " reverting from " + ps.codePathString 6682 + ": new version " + pkg.mVersionCode 6683 + " better than installed " + ps.versionCode); 6684 6685 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 6686 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 6687 synchronized (mInstallLock) { 6688 args.cleanUpResourcesLI(); 6689 } 6690 synchronized (mPackages) { 6691 mSettings.enableSystemPackageLPw(ps.name); 6692 } 6693 updatedPkgBetter = true; 6694 } 6695 } 6696 } 6697 6698 if (updatedPkg != null) { 6699 // An updated system app will not have the PARSE_IS_SYSTEM flag set 6700 // initially 6701 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 6702 6703 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 6704 // flag set initially 6705 if ((updatedPkg.pkgPrivateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0) { 6706 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 6707 } 6708 } 6709 6710 // Verify certificates against what was last scanned 6711 collectCertificatesLI(ps, pkg, scanFile, parseFlags); 6712 6713 /* 6714 * A new system app appeared, but we already had a non-system one of the 6715 * same name installed earlier. 6716 */ 6717 boolean shouldHideSystemApp = false; 6718 if (updatedPkg == null && ps != null 6719 && (parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 6720 /* 6721 * Check to make sure the signatures match first. If they don't, 6722 * wipe the installed application and its data. 6723 */ 6724 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 6725 != PackageManager.SIGNATURE_MATCH) { 6726 logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but" 6727 + " signatures don't match existing userdata copy; removing"); 6728 deletePackageLI(pkg.packageName, null, true, null, 0, null, false, null); 6729 ps = null; 6730 } else { 6731 /* 6732 * If the newly-added system app is an older version than the 6733 * already installed version, hide it. It will be scanned later 6734 * and re-added like an update. 6735 */ 6736 if (pkg.mVersionCode <= ps.versionCode) { 6737 shouldHideSystemApp = true; 6738 logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile 6739 + " but new version " + pkg.mVersionCode + " better than installed " 6740 + ps.versionCode + "; hiding system"); 6741 } else { 6742 /* 6743 * The newly found system app is a newer version that the 6744 * one previously installed. Simply remove the 6745 * already-installed application and replace it with our own 6746 * while keeping the application data. 6747 */ 6748 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 6749 + " reverting from " + ps.codePathString + ": new version " 6750 + pkg.mVersionCode + " better than installed " + ps.versionCode); 6751 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 6752 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 6753 synchronized (mInstallLock) { 6754 args.cleanUpResourcesLI(); 6755 } 6756 } 6757 } 6758 } 6759 6760 // The apk is forward locked (not public) if its code and resources 6761 // are kept in different files. (except for app in either system or 6762 // vendor path). 6763 // TODO grab this value from PackageSettings 6764 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 6765 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 6766 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 6767 } 6768 } 6769 6770 // TODO: extend to support forward-locked splits 6771 String resourcePath = null; 6772 String baseResourcePath = null; 6773 if ((parseFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 6774 if (ps != null && ps.resourcePathString != null) { 6775 resourcePath = ps.resourcePathString; 6776 baseResourcePath = ps.resourcePathString; 6777 } else { 6778 // Should not happen at all. Just log an error. 6779 Slog.e(TAG, "Resource path not set for package " + pkg.packageName); 6780 } 6781 } else { 6782 resourcePath = pkg.codePath; 6783 baseResourcePath = pkg.baseCodePath; 6784 } 6785 6786 // Set application objects path explicitly. 6787 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 6788 pkg.setApplicationInfoCodePath(pkg.codePath); 6789 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 6790 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 6791 pkg.setApplicationInfoResourcePath(resourcePath); 6792 pkg.setApplicationInfoBaseResourcePath(baseResourcePath); 6793 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 6794 6795 // Note that we invoke the following method only if we are about to unpack an application 6796 PackageParser.Package scannedPkg = scanPackageLI(pkg, parseFlags, scanFlags 6797 | SCAN_UPDATE_SIGNATURE, currentTime, user); 6798 6799 /* 6800 * If the system app should be overridden by a previously installed 6801 * data, hide the system app now and let the /data/app scan pick it up 6802 * again. 6803 */ 6804 if (shouldHideSystemApp) { 6805 synchronized (mPackages) { 6806 mSettings.disableSystemPackageLPw(pkg.packageName, true); 6807 } 6808 } 6809 6810 return scannedPkg; 6811 } 6812 6813 private static String fixProcessName(String defProcessName, 6814 String processName, int uid) { 6815 if (processName == null) { 6816 return defProcessName; 6817 } 6818 return processName; 6819 } 6820 6821 private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) 6822 throws PackageManagerException { 6823 if (pkgSetting.signatures.mSignatures != null) { 6824 // Already existing package. Make sure signatures match 6825 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 6826 == PackageManager.SIGNATURE_MATCH; 6827 if (!match) { 6828 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 6829 == PackageManager.SIGNATURE_MATCH; 6830 } 6831 if (!match) { 6832 match = compareSignaturesRecover(pkgSetting.signatures, pkg) 6833 == PackageManager.SIGNATURE_MATCH; 6834 } 6835 if (!match) { 6836 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 6837 + pkg.packageName + " signatures do not match the " 6838 + "previously installed version; ignoring!"); 6839 } 6840 } 6841 6842 // Check for shared user signatures 6843 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 6844 // Already existing package. Make sure signatures match 6845 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 6846 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 6847 if (!match) { 6848 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 6849 == PackageManager.SIGNATURE_MATCH; 6850 } 6851 if (!match) { 6852 match = compareSignaturesRecover(pkgSetting.sharedUser.signatures, pkg) 6853 == PackageManager.SIGNATURE_MATCH; 6854 } 6855 if (!match) { 6856 throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 6857 "Package " + pkg.packageName 6858 + " has no signatures that match those in shared user " 6859 + pkgSetting.sharedUser.name + "; ignoring!"); 6860 } 6861 } 6862 } 6863 6864 /** 6865 * Enforces that only the system UID or root's UID can call a method exposed 6866 * via Binder. 6867 * 6868 * @param message used as message if SecurityException is thrown 6869 * @throws SecurityException if the caller is not system or root 6870 */ 6871 private static final void enforceSystemOrRoot(String message) { 6872 final int uid = Binder.getCallingUid(); 6873 if (uid != Process.SYSTEM_UID && uid != 0) { 6874 throw new SecurityException(message); 6875 } 6876 } 6877 6878 @Override 6879 public void performFstrimIfNeeded() { 6880 enforceSystemOrRoot("Only the system can request fstrim"); 6881 6882 // Before everything else, see whether we need to fstrim. 6883 try { 6884 IMountService ms = PackageHelper.getMountService(); 6885 if (ms != null) { 6886 final boolean isUpgrade = isUpgrade(); 6887 boolean doTrim = isUpgrade; 6888 if (doTrim) { 6889 Slog.w(TAG, "Running disk maintenance immediately due to system update"); 6890 } else { 6891 final long interval = android.provider.Settings.Global.getLong( 6892 mContext.getContentResolver(), 6893 android.provider.Settings.Global.FSTRIM_MANDATORY_INTERVAL, 6894 DEFAULT_MANDATORY_FSTRIM_INTERVAL); 6895 if (interval > 0) { 6896 final long timeSinceLast = System.currentTimeMillis() - ms.lastMaintenance(); 6897 if (timeSinceLast > interval) { 6898 doTrim = true; 6899 Slog.w(TAG, "No disk maintenance in " + timeSinceLast 6900 + "; running immediately"); 6901 } 6902 } 6903 } 6904 if (doTrim) { 6905 if (!isFirstBoot()) { 6906 try { 6907 ActivityManagerNative.getDefault().showBootMessage( 6908 mContext.getResources().getString( 6909 R.string.android_upgrading_fstrim), true); 6910 } catch (RemoteException e) { 6911 } 6912 } 6913 ms.runMaintenance(); 6914 } 6915 } else { 6916 Slog.e(TAG, "Mount service unavailable!"); 6917 } 6918 } catch (RemoteException e) { 6919 // Can't happen; MountService is local 6920 } 6921 } 6922 6923 @Override 6924 public void updatePackagesIfNeeded() { 6925 enforceSystemOrRoot("Only the system can request package update"); 6926 6927 // We need to re-extract after an OTA. 6928 boolean causeUpgrade = isUpgrade(); 6929 6930 // First boot or factory reset. 6931 // Note: we also handle devices that are upgrading to N right now as if it is their 6932 // first boot, as they do not have profile data. 6933 boolean causeFirstBoot = isFirstBoot() || mIsPreNUpgrade; 6934 6935 // We need to re-extract after a pruned cache, as AoT-ed files will be out of date. 6936 boolean causePrunedCache = VMRuntime.didPruneDalvikCache(); 6937 6938 if (!causeUpgrade && !causeFirstBoot && !causePrunedCache) { 6939 return; 6940 } 6941 6942 List<PackageParser.Package> pkgs; 6943 synchronized (mPackages) { 6944 pkgs = PackageManagerServiceUtils.getPackagesForDexopt(mPackages.values(), this); 6945 } 6946 6947 int curr = 0; 6948 int total = pkgs.size(); 6949 for (PackageParser.Package pkg : pkgs) { 6950 curr++; 6951 6952 if (DEBUG_DEXOPT) { 6953 Log.i(TAG, "Extracting app " + curr + " of " + total + ": " + pkg.packageName); 6954 } 6955 6956 if (PackageDexOptimizer.canOptimizePackage(pkg)) { 6957 // If the cache was pruned, any compiled odex files will likely be out of date 6958 // and would have to be patched (would be SELF_PATCHOAT, which is deprecated). 6959 // Instead, force the extraction in this case. 6960 performDexOpt(pkg.packageName, 6961 null /* instructionSet */, 6962 false /* checkProfiles */, 6963 causeFirstBoot ? REASON_FIRST_BOOT : REASON_BOOT, 6964 false /* force */); 6965 } 6966 } 6967 } 6968 6969 @Override 6970 public void notifyPackageUse(String packageName) { 6971 synchronized (mPackages) { 6972 PackageParser.Package p = mPackages.get(packageName); 6973 if (p == null) { 6974 return; 6975 } 6976 p.mLastPackageUsageTimeInMills = System.currentTimeMillis(); 6977 } 6978 } 6979 6980 // TODO: this is not used nor needed. Delete it. 6981 @Override 6982 public boolean performDexOptIfNeeded(String packageName, String instructionSet) { 6983 return performDexOptTraced(packageName, instructionSet, false /* checkProfiles */, 6984 getFullCompilerFilter(), false /* force */); 6985 } 6986 6987 @Override 6988 public boolean performDexOpt(String packageName, String instructionSet, 6989 boolean checkProfiles, int compileReason, boolean force) { 6990 return performDexOptTraced(packageName, instructionSet, checkProfiles, 6991 getCompilerFilterForReason(compileReason), force); 6992 } 6993 6994 @Override 6995 public boolean performDexOptMode(String packageName, String instructionSet, 6996 boolean checkProfiles, String targetCompilerFilter, boolean force) { 6997 return performDexOptTraced(packageName, instructionSet, checkProfiles, 6998 targetCompilerFilter, force); 6999 } 7000 7001 private boolean performDexOptTraced(String packageName, String instructionSet, 7002 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7003 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 7004 try { 7005 return performDexOptInternal(packageName, instructionSet, checkProfiles, 7006 targetCompilerFilter, force); 7007 } finally { 7008 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7009 } 7010 } 7011 7012 private boolean performDexOptInternal(String packageName, String instructionSet, 7013 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7014 PackageParser.Package p; 7015 final String targetInstructionSet; 7016 synchronized (mPackages) { 7017 p = mPackages.get(packageName); 7018 if (p == null) { 7019 return false; 7020 } 7021 mPackageUsage.write(false); 7022 7023 targetInstructionSet = instructionSet != null ? instructionSet : 7024 getPrimaryInstructionSet(p.applicationInfo); 7025 } 7026 long callingId = Binder.clearCallingIdentity(); 7027 try { 7028 synchronized (mInstallLock) { 7029 final String[] instructionSets = new String[] { targetInstructionSet }; 7030 int result = performDexOptInternalWithDependenciesLI(p, instructionSets, 7031 checkProfiles, targetCompilerFilter, force); 7032 return result == PackageDexOptimizer.DEX_OPT_PERFORMED; 7033 } 7034 } finally { 7035 Binder.restoreCallingIdentity(callingId); 7036 } 7037 } 7038 7039 public ArraySet<String> getOptimizablePackages() { 7040 ArraySet<String> pkgs = new ArraySet<String>(); 7041 synchronized (mPackages) { 7042 for (PackageParser.Package p : mPackages.values()) { 7043 if (PackageDexOptimizer.canOptimizePackage(p)) { 7044 pkgs.add(p.packageName); 7045 } 7046 } 7047 } 7048 return pkgs; 7049 } 7050 7051 private int performDexOptInternalWithDependenciesLI(PackageParser.Package p, 7052 String instructionSets[], boolean checkProfiles, String targetCompilerFilter, 7053 boolean force) { 7054 // Select the dex optimizer based on the force parameter. 7055 // Note: The force option is rarely used (cmdline input for testing, mostly), so it's OK to 7056 // allocate an object here. 7057 PackageDexOptimizer pdo = force 7058 ? new PackageDexOptimizer.ForcedUpdatePackageDexOptimizer(mPackageDexOptimizer) 7059 : mPackageDexOptimizer; 7060 7061 // Optimize all dependencies first. Note: we ignore the return value and march on 7062 // on errors. 7063 Collection<PackageParser.Package> deps = findSharedNonSystemLibraries(p); 7064 if (!deps.isEmpty()) { 7065 for (PackageParser.Package depPackage : deps) { 7066 // TODO: Analyze and investigate if we (should) profile libraries. 7067 // Currently this will do a full compilation of the library by default. 7068 pdo.performDexOpt(depPackage, instructionSets, false /* checkProfiles */, 7069 getCompilerFilterForReason(REASON_NON_SYSTEM_LIBRARY)); 7070 } 7071 } 7072 7073 return pdo.performDexOpt(p, instructionSets, checkProfiles, targetCompilerFilter); 7074 } 7075 7076 Collection<PackageParser.Package> findSharedNonSystemLibraries(PackageParser.Package p) { 7077 if (p.usesLibraries != null || p.usesOptionalLibraries != null) { 7078 ArrayList<PackageParser.Package> retValue = new ArrayList<>(); 7079 Set<String> collectedNames = new HashSet<>(); 7080 findSharedNonSystemLibrariesRecursive(p, retValue, collectedNames); 7081 7082 retValue.remove(p); 7083 7084 return retValue; 7085 } else { 7086 return Collections.emptyList(); 7087 } 7088 } 7089 7090 private void findSharedNonSystemLibrariesRecursive(PackageParser.Package p, 7091 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 7092 if (!collectedNames.contains(p.packageName)) { 7093 collectedNames.add(p.packageName); 7094 collected.add(p); 7095 7096 if (p.usesLibraries != null) { 7097 findSharedNonSystemLibrariesRecursive(p.usesLibraries, collected, collectedNames); 7098 } 7099 if (p.usesOptionalLibraries != null) { 7100 findSharedNonSystemLibrariesRecursive(p.usesOptionalLibraries, collected, 7101 collectedNames); 7102 } 7103 } 7104 } 7105 7106 private void findSharedNonSystemLibrariesRecursive(Collection<String> libs, 7107 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 7108 for (String libName : libs) { 7109 PackageParser.Package libPkg = findSharedNonSystemLibrary(libName); 7110 if (libPkg != null) { 7111 findSharedNonSystemLibrariesRecursive(libPkg, collected, collectedNames); 7112 } 7113 } 7114 } 7115 7116 private PackageParser.Package findSharedNonSystemLibrary(String libName) { 7117 synchronized (mPackages) { 7118 PackageManagerService.SharedLibraryEntry lib = mSharedLibraries.get(libName); 7119 if (lib != null && lib.apk != null) { 7120 return mPackages.get(lib.apk); 7121 } 7122 } 7123 return null; 7124 } 7125 7126 public void shutdown() { 7127 mPackageUsage.write(true); 7128 } 7129 7130 @Override 7131 public void forceDexOpt(String packageName) { 7132 enforceSystemOrRoot("forceDexOpt"); 7133 7134 PackageParser.Package pkg; 7135 synchronized (mPackages) { 7136 pkg = mPackages.get(packageName); 7137 if (pkg == null) { 7138 throw new IllegalArgumentException("Unknown package: " + packageName); 7139 } 7140 } 7141 7142 synchronized (mInstallLock) { 7143 final String[] instructionSets = new String[] { 7144 getPrimaryInstructionSet(pkg.applicationInfo) }; 7145 7146 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 7147 7148 // Whoever is calling forceDexOpt wants a fully compiled package. 7149 // Don't use profiles since that may cause compilation to be skipped. 7150 final int res = performDexOptInternalWithDependenciesLI(pkg, instructionSets, 7151 false /* checkProfiles */, getCompilerFilterForReason(REASON_FORCED_DEXOPT), 7152 true /* force */); 7153 7154 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7155 if (res != PackageDexOptimizer.DEX_OPT_PERFORMED) { 7156 throw new IllegalStateException("Failed to dexopt: " + res); 7157 } 7158 } 7159 } 7160 7161 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 7162 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 7163 Slog.w(TAG, "Unable to update from " + oldPkg.name 7164 + " to " + newPkg.packageName 7165 + ": old package not in system partition"); 7166 return false; 7167 } else if (mPackages.get(oldPkg.name) != null) { 7168 Slog.w(TAG, "Unable to update from " + oldPkg.name 7169 + " to " + newPkg.packageName 7170 + ": old package still exists"); 7171 return false; 7172 } 7173 return true; 7174 } 7175 7176 private boolean removeDataDirsLI(String volumeUuid, String packageName) { 7177 // TODO: triage flags as part of 26466827 7178 final int flags = StorageManager.FLAG_STORAGE_CE | StorageManager.FLAG_STORAGE_DE; 7179 7180 boolean res = true; 7181 final int[] users = sUserManager.getUserIds(); 7182 for (int user : users) { 7183 try { 7184 mInstaller.destroyAppData(volumeUuid, packageName, user, flags); 7185 } catch (InstallerException e) { 7186 Slog.w(TAG, "Failed to delete data directory", e); 7187 res = false; 7188 } 7189 } 7190 return res; 7191 } 7192 7193 void removeCodePathLI(File codePath) { 7194 if (codePath.isDirectory()) { 7195 try { 7196 mInstaller.rmPackageDir(codePath.getAbsolutePath()); 7197 } catch (InstallerException e) { 7198 Slog.w(TAG, "Failed to remove code path", e); 7199 } 7200 } else { 7201 codePath.delete(); 7202 } 7203 } 7204 7205 void destroyAppDataLI(String volumeUuid, String packageName, int userId, int flags) { 7206 try { 7207 mInstaller.destroyAppData(volumeUuid, packageName, userId, flags); 7208 } catch (InstallerException e) { 7209 Slog.w(TAG, "Failed to destroy app data", e); 7210 } 7211 } 7212 7213 void restoreconAppDataLI(String volumeUuid, String packageName, int userId, int flags, 7214 int appId, String seinfo) { 7215 try { 7216 mInstaller.restoreconAppData(volumeUuid, packageName, userId, flags, appId, seinfo); 7217 } catch (InstallerException e) { 7218 Slog.e(TAG, "Failed to restorecon for " + packageName + ": " + e); 7219 } 7220 } 7221 7222 private void deleteProfilesLI(String packageName, boolean destroy) { 7223 final PackageParser.Package pkg; 7224 synchronized (mPackages) { 7225 pkg = mPackages.get(packageName); 7226 } 7227 if (pkg == null) { 7228 Slog.w(TAG, "Failed to delete profiles. No package: " + packageName); 7229 return; 7230 } 7231 deleteProfilesLI(pkg, destroy); 7232 } 7233 7234 private void deleteProfilesLI(PackageParser.Package pkg, boolean destroy) { 7235 try { 7236 if (destroy) { 7237 mInstaller.destroyAppProfiles(pkg.packageName); 7238 } else { 7239 mInstaller.clearAppProfiles(pkg.packageName); 7240 } 7241 } catch (InstallerException ex) { 7242 Log.e(TAG, "Could not delete profiles for package " + pkg.packageName); 7243 } 7244 } 7245 7246 private void deleteCodeCacheDirsLI(String volumeUuid, String packageName) { 7247 final PackageParser.Package pkg; 7248 synchronized (mPackages) { 7249 pkg = mPackages.get(packageName); 7250 } 7251 if (pkg == null) { 7252 Slog.w(TAG, "Failed to delete code cache directory. No package: " + packageName); 7253 return; 7254 } 7255 deleteCodeCacheDirsLI(pkg); 7256 } 7257 7258 private void deleteCodeCacheDirsLI(PackageParser.Package pkg) { 7259 // TODO: triage flags as part of 26466827 7260 final int flags = StorageManager.FLAG_STORAGE_CE | StorageManager.FLAG_STORAGE_DE; 7261 7262 int[] users = sUserManager.getUserIds(); 7263 int res = 0; 7264 for (int user : users) { 7265 // Remove the parent code cache 7266 try { 7267 mInstaller.clearAppData(pkg.volumeUuid, pkg.packageName, user, 7268 flags | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 7269 } catch (InstallerException e) { 7270 Slog.w(TAG, "Failed to delete code cache directory", e); 7271 } 7272 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7273 for (int i = 0; i < childCount; i++) { 7274 PackageParser.Package childPkg = pkg.childPackages.get(i); 7275 // Remove the child code cache 7276 try { 7277 mInstaller.clearAppData(childPkg.volumeUuid, childPkg.packageName, 7278 user, flags | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 7279 } catch (InstallerException e) { 7280 Slog.w(TAG, "Failed to delete code cache directory", e); 7281 } 7282 } 7283 } 7284 } 7285 7286 private void setInstallAndUpdateTime(PackageParser.Package pkg, long firstInstallTime, 7287 long lastUpdateTime) { 7288 // Set parent install/update time 7289 PackageSetting ps = (PackageSetting) pkg.mExtras; 7290 if (ps != null) { 7291 ps.firstInstallTime = firstInstallTime; 7292 ps.lastUpdateTime = lastUpdateTime; 7293 } 7294 // Set children install/update time 7295 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7296 for (int i = 0; i < childCount; i++) { 7297 PackageParser.Package childPkg = pkg.childPackages.get(i); 7298 ps = (PackageSetting) childPkg.mExtras; 7299 if (ps != null) { 7300 ps.firstInstallTime = firstInstallTime; 7301 ps.lastUpdateTime = lastUpdateTime; 7302 } 7303 } 7304 } 7305 7306 private void addSharedLibraryLPw(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 7307 PackageParser.Package changingLib) { 7308 if (file.path != null) { 7309 usesLibraryFiles.add(file.path); 7310 return; 7311 } 7312 PackageParser.Package p = mPackages.get(file.apk); 7313 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 7314 // If we are doing this while in the middle of updating a library apk, 7315 // then we need to make sure to use that new apk for determining the 7316 // dependencies here. (We haven't yet finished committing the new apk 7317 // to the package manager state.) 7318 if (p == null || p.packageName.equals(changingLib.packageName)) { 7319 p = changingLib; 7320 } 7321 } 7322 if (p != null) { 7323 usesLibraryFiles.addAll(p.getAllCodePaths()); 7324 } 7325 } 7326 7327 private void updateSharedLibrariesLPw(PackageParser.Package pkg, 7328 PackageParser.Package changingLib) throws PackageManagerException { 7329 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 7330 final ArraySet<String> usesLibraryFiles = new ArraySet<>(); 7331 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 7332 for (int i=0; i<N; i++) { 7333 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 7334 if (file == null) { 7335 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 7336 "Package " + pkg.packageName + " requires unavailable shared library " 7337 + pkg.usesLibraries.get(i) + "; failing!"); 7338 } 7339 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 7340 } 7341 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 7342 for (int i=0; i<N; i++) { 7343 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 7344 if (file == null) { 7345 Slog.w(TAG, "Package " + pkg.packageName 7346 + " desires unavailable shared library " 7347 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 7348 } else { 7349 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 7350 } 7351 } 7352 N = usesLibraryFiles.size(); 7353 if (N > 0) { 7354 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]); 7355 } else { 7356 pkg.usesLibraryFiles = null; 7357 } 7358 } 7359 } 7360 7361 private static boolean hasString(List<String> list, List<String> which) { 7362 if (list == null) { 7363 return false; 7364 } 7365 for (int i=list.size()-1; i>=0; i--) { 7366 for (int j=which.size()-1; j>=0; j--) { 7367 if (which.get(j).equals(list.get(i))) { 7368 return true; 7369 } 7370 } 7371 } 7372 return false; 7373 } 7374 7375 private void updateAllSharedLibrariesLPw() { 7376 for (PackageParser.Package pkg : mPackages.values()) { 7377 try { 7378 updateSharedLibrariesLPw(pkg, null); 7379 } catch (PackageManagerException e) { 7380 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 7381 } 7382 } 7383 } 7384 7385 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 7386 PackageParser.Package changingPkg) { 7387 ArrayList<PackageParser.Package> res = null; 7388 for (PackageParser.Package pkg : mPackages.values()) { 7389 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 7390 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 7391 if (res == null) { 7392 res = new ArrayList<PackageParser.Package>(); 7393 } 7394 res.add(pkg); 7395 try { 7396 updateSharedLibrariesLPw(pkg, changingPkg); 7397 } catch (PackageManagerException e) { 7398 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 7399 } 7400 } 7401 } 7402 return res; 7403 } 7404 7405 /** 7406 * Derive the value of the {@code cpuAbiOverride} based on the provided 7407 * value and an optional stored value from the package settings. 7408 */ 7409 private static String deriveAbiOverride(String abiOverride, PackageSetting settings) { 7410 String cpuAbiOverride = null; 7411 7412 if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) { 7413 cpuAbiOverride = null; 7414 } else if (abiOverride != null) { 7415 cpuAbiOverride = abiOverride; 7416 } else if (settings != null) { 7417 cpuAbiOverride = settings.cpuAbiOverrideString; 7418 } 7419 7420 return cpuAbiOverride; 7421 } 7422 7423 private PackageParser.Package scanPackageTracedLI(PackageParser.Package pkg, int parseFlags, 7424 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 7425 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 7426 // If the package has children and this is the first dive in the function 7427 // we recursively scan the package with the SCAN_CHECK_ONLY flag set to see 7428 // whether all packages (parent and children) would be successfully scanned 7429 // before the actual scan since scanning mutates internal state and we want 7430 // to atomically install the package and its children. 7431 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7432 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 7433 scanFlags |= SCAN_CHECK_ONLY; 7434 } 7435 } else { 7436 scanFlags &= ~SCAN_CHECK_ONLY; 7437 } 7438 7439 final PackageParser.Package scannedPkg; 7440 try { 7441 // Scan the parent 7442 scannedPkg = scanPackageLI(pkg, parseFlags, scanFlags, currentTime, user); 7443 // Scan the children 7444 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7445 for (int i = 0; i < childCount; i++) { 7446 PackageParser.Package childPkg = pkg.childPackages.get(i); 7447 scanPackageLI(childPkg, parseFlags, 7448 scanFlags, currentTime, user); 7449 } 7450 } finally { 7451 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7452 } 7453 7454 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 7455 return scanPackageTracedLI(pkg, parseFlags, scanFlags, currentTime, user); 7456 } 7457 7458 return scannedPkg; 7459 } 7460 7461 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, int parseFlags, 7462 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 7463 boolean success = false; 7464 try { 7465 final PackageParser.Package res = scanPackageDirtyLI(pkg, parseFlags, scanFlags, 7466 currentTime, user); 7467 success = true; 7468 return res; 7469 } finally { 7470 if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 7471 removeDataDirsLI(pkg.volumeUuid, pkg.packageName); 7472 } 7473 } 7474 } 7475 7476 private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, int parseFlags, 7477 int scanFlags, long currentTime, UserHandle user) 7478 throws PackageManagerException { 7479 final File scanFile = new File(pkg.codePath); 7480 if (pkg.applicationInfo.getCodePath() == null || 7481 pkg.applicationInfo.getResourcePath() == null) { 7482 // Bail out. The resource and code paths haven't been set. 7483 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 7484 "Code and resource paths haven't been set correctly"); 7485 } 7486 7487 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 7488 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 7489 } else { 7490 // Only allow system apps to be flagged as core apps. 7491 pkg.coreApp = false; 7492 } 7493 7494 if ((parseFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 7495 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 7496 } 7497 7498 if (mCustomResolverComponentName != null && 7499 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 7500 setUpCustomResolverActivity(pkg); 7501 } 7502 7503 if (pkg.packageName.equals("android")) { 7504 synchronized (mPackages) { 7505 if (mAndroidApplication != null) { 7506 Slog.w(TAG, "*************************************************"); 7507 Slog.w(TAG, "Core android package being redefined. Skipping."); 7508 Slog.w(TAG, " file=" + scanFile); 7509 Slog.w(TAG, "*************************************************"); 7510 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 7511 "Core android package being redefined. Skipping."); 7512 } 7513 7514 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7515 // Set up information for our fall-back user intent resolution activity. 7516 mPlatformPackage = pkg; 7517 pkg.mVersionCode = mSdkVersion; 7518 mAndroidApplication = pkg.applicationInfo; 7519 7520 if (!mResolverReplaced) { 7521 mResolveActivity.applicationInfo = mAndroidApplication; 7522 mResolveActivity.name = ResolverActivity.class.getName(); 7523 mResolveActivity.packageName = mAndroidApplication.packageName; 7524 mResolveActivity.processName = "system:ui"; 7525 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 7526 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 7527 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 7528 mResolveActivity.theme = R.style.Theme_Holo_Dialog_Alert; 7529 mResolveActivity.exported = true; 7530 mResolveActivity.enabled = true; 7531 mResolveInfo.activityInfo = mResolveActivity; 7532 mResolveInfo.priority = 0; 7533 mResolveInfo.preferredOrder = 0; 7534 mResolveInfo.match = 0; 7535 mResolveComponentName = new ComponentName( 7536 mAndroidApplication.packageName, mResolveActivity.name); 7537 } 7538 } 7539 } 7540 } 7541 7542 if (DEBUG_PACKAGE_SCANNING) { 7543 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 7544 Log.d(TAG, "Scanning package " + pkg.packageName); 7545 } 7546 7547 synchronized (mPackages) { 7548 if (mPackages.containsKey(pkg.packageName) 7549 || mSharedLibraries.containsKey(pkg.packageName)) { 7550 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 7551 "Application package " + pkg.packageName 7552 + " already installed. Skipping duplicate."); 7553 } 7554 7555 // If we're only installing presumed-existing packages, require that the 7556 // scanned APK is both already known and at the path previously established 7557 // for it. Previously unknown packages we pick up normally, but if we have an 7558 // a priori expectation about this package's install presence, enforce it. 7559 // With a singular exception for new system packages. When an OTA contains 7560 // a new system package, we allow the codepath to change from a system location 7561 // to the user-installed location. If we don't allow this change, any newer, 7562 // user-installed version of the application will be ignored. 7563 if ((scanFlags & SCAN_REQUIRE_KNOWN) != 0) { 7564 if (mExpectingBetter.containsKey(pkg.packageName)) { 7565 logCriticalInfo(Log.WARN, 7566 "Relax SCAN_REQUIRE_KNOWN requirement for package " + pkg.packageName); 7567 } else { 7568 PackageSetting known = mSettings.peekPackageLPr(pkg.packageName); 7569 if (known != null) { 7570 if (DEBUG_PACKAGE_SCANNING) { 7571 Log.d(TAG, "Examining " + pkg.codePath 7572 + " and requiring known paths " + known.codePathString 7573 + " & " + known.resourcePathString); 7574 } 7575 if (!pkg.applicationInfo.getCodePath().equals(known.codePathString) 7576 || !pkg.applicationInfo.getResourcePath().equals( 7577 known.resourcePathString)) { 7578 throw new PackageManagerException(INSTALL_FAILED_PACKAGE_CHANGED, 7579 "Application package " + pkg.packageName 7580 + " found at " + pkg.applicationInfo.getCodePath() 7581 + " but expected at " + known.codePathString 7582 + "; ignoring."); 7583 } 7584 } 7585 } 7586 } 7587 } 7588 7589 // Initialize package source and resource directories 7590 File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 7591 File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 7592 7593 SharedUserSetting suid = null; 7594 PackageSetting pkgSetting = null; 7595 7596 if (!isSystemApp(pkg)) { 7597 // Only system apps can use these features. 7598 pkg.mOriginalPackages = null; 7599 pkg.mRealPackage = null; 7600 pkg.mAdoptPermissions = null; 7601 } 7602 7603 // Getting the package setting may have a side-effect, so if we 7604 // are only checking if scan would succeed, stash a copy of the 7605 // old setting to restore at the end. 7606 PackageSetting nonMutatedPs = null; 7607 7608 // writer 7609 synchronized (mPackages) { 7610 if (pkg.mSharedUserId != null) { 7611 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, 0, true); 7612 if (suid == null) { 7613 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 7614 "Creating application package " + pkg.packageName 7615 + " for shared user failed"); 7616 } 7617 if (DEBUG_PACKAGE_SCANNING) { 7618 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 7619 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 7620 + "): packages=" + suid.packages); 7621 } 7622 } 7623 7624 // Check if we are renaming from an original package name. 7625 PackageSetting origPackage = null; 7626 String realName = null; 7627 if (pkg.mOriginalPackages != null) { 7628 // This package may need to be renamed to a previously 7629 // installed name. Let's check on that... 7630 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 7631 if (pkg.mOriginalPackages.contains(renamed)) { 7632 // This package had originally been installed as the 7633 // original name, and we have already taken care of 7634 // transitioning to the new one. Just update the new 7635 // one to continue using the old name. 7636 realName = pkg.mRealPackage; 7637 if (!pkg.packageName.equals(renamed)) { 7638 // Callers into this function may have already taken 7639 // care of renaming the package; only do it here if 7640 // it is not already done. 7641 pkg.setPackageName(renamed); 7642 } 7643 7644 } else { 7645 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 7646 if ((origPackage = mSettings.peekPackageLPr( 7647 pkg.mOriginalPackages.get(i))) != null) { 7648 // We do have the package already installed under its 7649 // original name... should we use it? 7650 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 7651 // New package is not compatible with original. 7652 origPackage = null; 7653 continue; 7654 } else if (origPackage.sharedUser != null) { 7655 // Make sure uid is compatible between packages. 7656 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 7657 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 7658 + " to " + pkg.packageName + ": old uid " 7659 + origPackage.sharedUser.name 7660 + " differs from " + pkg.mSharedUserId); 7661 origPackage = null; 7662 continue; 7663 } 7664 } else { 7665 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 7666 + pkg.packageName + " to old name " + origPackage.name); 7667 } 7668 break; 7669 } 7670 } 7671 } 7672 } 7673 7674 if (mTransferedPackages.contains(pkg.packageName)) { 7675 Slog.w(TAG, "Package " + pkg.packageName 7676 + " was transferred to another, but its .apk remains"); 7677 } 7678 7679 // See comments in nonMutatedPs declaration 7680 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 7681 PackageSetting foundPs = mSettings.peekPackageLPr(pkg.packageName); 7682 if (foundPs != null) { 7683 nonMutatedPs = new PackageSetting(foundPs); 7684 } 7685 } 7686 7687 // Just create the setting, don't add it yet. For already existing packages 7688 // the PkgSetting exists already and doesn't have to be created. 7689 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 7690 destResourceFile, pkg.applicationInfo.nativeLibraryRootDir, 7691 pkg.applicationInfo.primaryCpuAbi, 7692 pkg.applicationInfo.secondaryCpuAbi, 7693 pkg.applicationInfo.flags, pkg.applicationInfo.privateFlags, 7694 user, false); 7695 if (pkgSetting == null) { 7696 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 7697 "Creating application package " + pkg.packageName + " failed"); 7698 } 7699 7700 if (pkgSetting.origPackage != null) { 7701 // If we are first transitioning from an original package, 7702 // fix up the new package's name now. We need to do this after 7703 // looking up the package under its new name, so getPackageLP 7704 // can take care of fiddling things correctly. 7705 pkg.setPackageName(origPackage.name); 7706 7707 // File a report about this. 7708 String msg = "New package " + pkgSetting.realName 7709 + " renamed to replace old package " + pkgSetting.name; 7710 reportSettingsProblem(Log.WARN, msg); 7711 7712 // Make a note of it. 7713 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7714 mTransferedPackages.add(origPackage.name); 7715 } 7716 7717 // No longer need to retain this. 7718 pkgSetting.origPackage = null; 7719 } 7720 7721 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && realName != null) { 7722 // Make a note of it. 7723 mTransferedPackages.add(pkg.packageName); 7724 } 7725 7726 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 7727 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 7728 } 7729 7730 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 7731 // Check all shared libraries and map to their actual file path. 7732 // We only do this here for apps not on a system dir, because those 7733 // are the only ones that can fail an install due to this. We 7734 // will take care of the system apps by updating all of their 7735 // library paths after the scan is done. 7736 updateSharedLibrariesLPw(pkg, null); 7737 } 7738 7739 if (mFoundPolicyFile) { 7740 SELinuxMMAC.assignSeinfoValue(pkg); 7741 } 7742 7743 pkg.applicationInfo.uid = pkgSetting.appId; 7744 pkg.mExtras = pkgSetting; 7745 if (shouldCheckUpgradeKeySetLP(pkgSetting, scanFlags)) { 7746 if (checkUpgradeKeySetLP(pkgSetting, pkg)) { 7747 // We just determined the app is signed correctly, so bring 7748 // over the latest parsed certs. 7749 pkgSetting.signatures.mSignatures = pkg.mSignatures; 7750 } else { 7751 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 7752 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 7753 "Package " + pkg.packageName + " upgrade keys do not match the " 7754 + "previously installed version"); 7755 } else { 7756 pkgSetting.signatures.mSignatures = pkg.mSignatures; 7757 String msg = "System package " + pkg.packageName 7758 + " signature changed; retaining data."; 7759 reportSettingsProblem(Log.WARN, msg); 7760 } 7761 } 7762 } else { 7763 try { 7764 verifySignaturesLP(pkgSetting, pkg); 7765 // We just determined the app is signed correctly, so bring 7766 // over the latest parsed certs. 7767 pkgSetting.signatures.mSignatures = pkg.mSignatures; 7768 } catch (PackageManagerException e) { 7769 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 7770 throw e; 7771 } 7772 // The signature has changed, but this package is in the system 7773 // image... let's recover! 7774 pkgSetting.signatures.mSignatures = pkg.mSignatures; 7775 // However... if this package is part of a shared user, but it 7776 // doesn't match the signature of the shared user, let's fail. 7777 // What this means is that you can't change the signatures 7778 // associated with an overall shared user, which doesn't seem all 7779 // that unreasonable. 7780 if (pkgSetting.sharedUser != null) { 7781 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 7782 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 7783 throw new PackageManagerException( 7784 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 7785 "Signature mismatch for shared user: " 7786 + pkgSetting.sharedUser); 7787 } 7788 } 7789 // File a report about this. 7790 String msg = "System package " + pkg.packageName 7791 + " signature changed; retaining data."; 7792 reportSettingsProblem(Log.WARN, msg); 7793 } 7794 } 7795 // Verify that this new package doesn't have any content providers 7796 // that conflict with existing packages. Only do this if the 7797 // package isn't already installed, since we don't want to break 7798 // things that are installed. 7799 if ((scanFlags & SCAN_NEW_INSTALL) != 0) { 7800 final int N = pkg.providers.size(); 7801 int i; 7802 for (i=0; i<N; i++) { 7803 PackageParser.Provider p = pkg.providers.get(i); 7804 if (p.info.authority != null) { 7805 String names[] = p.info.authority.split(";"); 7806 for (int j = 0; j < names.length; j++) { 7807 if (mProvidersByAuthority.containsKey(names[j])) { 7808 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 7809 final String otherPackageName = 7810 ((other != null && other.getComponentName() != null) ? 7811 other.getComponentName().getPackageName() : "?"); 7812 throw new PackageManagerException( 7813 INSTALL_FAILED_CONFLICTING_PROVIDER, 7814 "Can't install because provider name " + names[j] 7815 + " (in package " + pkg.applicationInfo.packageName 7816 + ") is already used by " + otherPackageName); 7817 } 7818 } 7819 } 7820 } 7821 } 7822 7823 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && pkg.mAdoptPermissions != null) { 7824 // This package wants to adopt ownership of permissions from 7825 // another package. 7826 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 7827 final String origName = pkg.mAdoptPermissions.get(i); 7828 final PackageSetting orig = mSettings.peekPackageLPr(origName); 7829 if (orig != null) { 7830 if (verifyPackageUpdateLPr(orig, pkg)) { 7831 Slog.i(TAG, "Adopting permissions from " + origName + " to " 7832 + pkg.packageName); 7833 mSettings.transferPermissionsLPw(origName, pkg.packageName); 7834 } 7835 } 7836 } 7837 } 7838 } 7839 7840 final String pkgName = pkg.packageName; 7841 7842 final long scanFileTime = scanFile.lastModified(); 7843 final boolean forceDex = (scanFlags & SCAN_FORCE_DEX) != 0; 7844 pkg.applicationInfo.processName = fixProcessName( 7845 pkg.applicationInfo.packageName, 7846 pkg.applicationInfo.processName, 7847 pkg.applicationInfo.uid); 7848 7849 if (pkg != mPlatformPackage) { 7850 // Get all of our default paths setup 7851 pkg.applicationInfo.initForUser(UserHandle.USER_SYSTEM); 7852 } 7853 7854 final String path = scanFile.getPath(); 7855 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 7856 7857 if ((scanFlags & SCAN_NEW_INSTALL) == 0) { 7858 derivePackageAbi(pkg, scanFile, cpuAbiOverride, true /* extract libs */); 7859 7860 // Some system apps still use directory structure for native libraries 7861 // in which case we might end up not detecting abi solely based on apk 7862 // structure. Try to detect abi based on directory structure. 7863 if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp() && 7864 pkg.applicationInfo.primaryCpuAbi == null) { 7865 setBundledAppAbisAndRoots(pkg, pkgSetting); 7866 setNativeLibraryPaths(pkg); 7867 } 7868 7869 } else { 7870 if ((scanFlags & SCAN_MOVE) != 0) { 7871 // We haven't run dex-opt for this move (since we've moved the compiled output too) 7872 // but we already have this packages package info in the PackageSetting. We just 7873 // use that and derive the native library path based on the new codepath. 7874 pkg.applicationInfo.primaryCpuAbi = pkgSetting.primaryCpuAbiString; 7875 pkg.applicationInfo.secondaryCpuAbi = pkgSetting.secondaryCpuAbiString; 7876 } 7877 7878 // Set native library paths again. For moves, the path will be updated based on the 7879 // ABIs we've determined above. For non-moves, the path will be updated based on the 7880 // ABIs we determined during compilation, but the path will depend on the final 7881 // package path (after the rename away from the stage path). 7882 setNativeLibraryPaths(pkg); 7883 } 7884 7885 // This is a special case for the "system" package, where the ABI is 7886 // dictated by the zygote configuration (and init.rc). We should keep track 7887 // of this ABI so that we can deal with "normal" applications that run under 7888 // the same UID correctly. 7889 if (mPlatformPackage == pkg) { 7890 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 7891 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 7892 } 7893 7894 // If there's a mismatch between the abi-override in the package setting 7895 // and the abiOverride specified for the install. Warn about this because we 7896 // would've already compiled the app without taking the package setting into 7897 // account. 7898 if ((scanFlags & SCAN_NO_DEX) == 0 && (scanFlags & SCAN_NEW_INSTALL) != 0) { 7899 if (cpuAbiOverride == null && pkgSetting.cpuAbiOverrideString != null) { 7900 Slog.w(TAG, "Ignoring persisted ABI override " + cpuAbiOverride + 7901 " for package " + pkg.packageName); 7902 } 7903 } 7904 7905 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 7906 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 7907 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 7908 7909 // Copy the derived override back to the parsed package, so that we can 7910 // update the package settings accordingly. 7911 pkg.cpuAbiOverride = cpuAbiOverride; 7912 7913 if (DEBUG_ABI_SELECTION) { 7914 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 7915 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 7916 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 7917 } 7918 7919 // Push the derived path down into PackageSettings so we know what to 7920 // clean up at uninstall time. 7921 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 7922 7923 if (DEBUG_ABI_SELECTION) { 7924 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 7925 " primary=" + pkg.applicationInfo.primaryCpuAbi + 7926 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 7927 } 7928 7929 if ((scanFlags & SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 7930 // We don't do this here during boot because we can do it all 7931 // at once after scanning all existing packages. 7932 // 7933 // We also do this *before* we perform dexopt on this package, so that 7934 // we can avoid redundant dexopts, and also to make sure we've got the 7935 // code and package path correct. 7936 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 7937 pkg, true /* boot complete */); 7938 } 7939 7940 if (mFactoryTest && pkg.requestedPermissions.contains( 7941 android.Manifest.permission.FACTORY_TEST)) { 7942 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 7943 } 7944 7945 ArrayList<PackageParser.Package> clientLibPkgs = null; 7946 7947 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 7948 if (nonMutatedPs != null) { 7949 synchronized (mPackages) { 7950 mSettings.mPackages.put(nonMutatedPs.name, nonMutatedPs); 7951 } 7952 } 7953 return pkg; 7954 } 7955 7956 // Only privileged apps and updated privileged apps can add child packages. 7957 if (pkg.childPackages != null && !pkg.childPackages.isEmpty()) { 7958 if ((parseFlags & PARSE_IS_PRIVILEGED) == 0) { 7959 throw new PackageManagerException("Only privileged apps and updated " 7960 + "privileged apps can add child packages. Ignoring package " 7961 + pkg.packageName); 7962 } 7963 final int childCount = pkg.childPackages.size(); 7964 for (int i = 0; i < childCount; i++) { 7965 PackageParser.Package childPkg = pkg.childPackages.get(i); 7966 if (mSettings.hasOtherDisabledSystemPkgWithChildLPr(pkg.packageName, 7967 childPkg.packageName)) { 7968 throw new PackageManagerException("Cannot override a child package of " 7969 + "another disabled system app. Ignoring package " + pkg.packageName); 7970 } 7971 } 7972 } 7973 7974 // writer 7975 synchronized (mPackages) { 7976 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 7977 // Only system apps can add new shared libraries. 7978 if (pkg.libraryNames != null) { 7979 for (int i=0; i<pkg.libraryNames.size(); i++) { 7980 String name = pkg.libraryNames.get(i); 7981 boolean allowed = false; 7982 if (pkg.isUpdatedSystemApp()) { 7983 // New library entries can only be added through the 7984 // system image. This is important to get rid of a lot 7985 // of nasty edge cases: for example if we allowed a non- 7986 // system update of the app to add a library, then uninstalling 7987 // the update would make the library go away, and assumptions 7988 // we made such as through app install filtering would now 7989 // have allowed apps on the device which aren't compatible 7990 // with it. Better to just have the restriction here, be 7991 // conservative, and create many fewer cases that can negatively 7992 // impact the user experience. 7993 final PackageSetting sysPs = mSettings 7994 .getDisabledSystemPkgLPr(pkg.packageName); 7995 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 7996 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 7997 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 7998 allowed = true; 7999 break; 8000 } 8001 } 8002 } 8003 } else { 8004 allowed = true; 8005 } 8006 if (allowed) { 8007 if (!mSharedLibraries.containsKey(name)) { 8008 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 8009 } else if (!name.equals(pkg.packageName)) { 8010 Slog.w(TAG, "Package " + pkg.packageName + " library " 8011 + name + " already exists; skipping"); 8012 } 8013 } else { 8014 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 8015 + name + " that is not declared on system image; skipping"); 8016 } 8017 } 8018 if ((scanFlags & SCAN_BOOTING) == 0) { 8019 // If we are not booting, we need to update any applications 8020 // that are clients of our shared library. If we are booting, 8021 // this will all be done once the scan is complete. 8022 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 8023 } 8024 } 8025 } 8026 } 8027 8028 // Request the ActivityManager to kill the process(only for existing packages) 8029 // so that we do not end up in a confused state while the user is still using the older 8030 // version of the application while the new one gets installed. 8031 final boolean isReplacing = (scanFlags & SCAN_REPLACING) != 0; 8032 final boolean killApp = (scanFlags & SCAN_DONT_KILL_APP) == 0; 8033 if (killApp) { 8034 if (isReplacing) { 8035 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "killApplication"); 8036 8037 killApplication(pkg.applicationInfo.packageName, 8038 pkg.applicationInfo.uid, "replace pkg"); 8039 8040 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8041 } 8042 } 8043 8044 // Also need to kill any apps that are dependent on the library. 8045 if (clientLibPkgs != null) { 8046 for (int i=0; i<clientLibPkgs.size(); i++) { 8047 PackageParser.Package clientPkg = clientLibPkgs.get(i); 8048 killApplication(clientPkg.applicationInfo.packageName, 8049 clientPkg.applicationInfo.uid, "update lib"); 8050 } 8051 } 8052 8053 // Make sure we're not adding any bogus keyset info 8054 KeySetManagerService ksms = mSettings.mKeySetManagerService; 8055 ksms.assertScannedPackageValid(pkg); 8056 8057 // writer 8058 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 8059 8060 boolean createIdmapFailed = false; 8061 synchronized (mPackages) { 8062 // We don't expect installation to fail beyond this point 8063 8064 // Add the new setting to mSettings 8065 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 8066 // Add the new setting to mPackages 8067 mPackages.put(pkg.applicationInfo.packageName, pkg); 8068 // Make sure we don't accidentally delete its data. 8069 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 8070 while (iter.hasNext()) { 8071 PackageCleanItem item = iter.next(); 8072 if (pkgName.equals(item.packageName)) { 8073 iter.remove(); 8074 } 8075 } 8076 8077 // Take care of first install / last update times. 8078 if (currentTime != 0) { 8079 if (pkgSetting.firstInstallTime == 0) { 8080 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 8081 } else if ((scanFlags&SCAN_UPDATE_TIME) != 0) { 8082 pkgSetting.lastUpdateTime = currentTime; 8083 } 8084 } else if (pkgSetting.firstInstallTime == 0) { 8085 // We need *something*. Take time time stamp of the file. 8086 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 8087 } else if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 8088 if (scanFileTime != pkgSetting.timeStamp) { 8089 // A package on the system image has changed; consider this 8090 // to be an update. 8091 pkgSetting.lastUpdateTime = scanFileTime; 8092 } 8093 } 8094 8095 // Add the package's KeySets to the global KeySetManagerService 8096 ksms.addScannedPackageLPw(pkg); 8097 8098 int N = pkg.providers.size(); 8099 StringBuilder r = null; 8100 int i; 8101 for (i=0; i<N; i++) { 8102 PackageParser.Provider p = pkg.providers.get(i); 8103 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 8104 p.info.processName, pkg.applicationInfo.uid); 8105 mProviders.addProvider(p); 8106 p.syncable = p.info.isSyncable; 8107 if (p.info.authority != null) { 8108 String names[] = p.info.authority.split(";"); 8109 p.info.authority = null; 8110 for (int j = 0; j < names.length; j++) { 8111 if (j == 1 && p.syncable) { 8112 // We only want the first authority for a provider to possibly be 8113 // syncable, so if we already added this provider using a different 8114 // authority clear the syncable flag. We copy the provider before 8115 // changing it because the mProviders object contains a reference 8116 // to a provider that we don't want to change. 8117 // Only do this for the second authority since the resulting provider 8118 // object can be the same for all future authorities for this provider. 8119 p = new PackageParser.Provider(p); 8120 p.syncable = false; 8121 } 8122 if (!mProvidersByAuthority.containsKey(names[j])) { 8123 mProvidersByAuthority.put(names[j], p); 8124 if (p.info.authority == null) { 8125 p.info.authority = names[j]; 8126 } else { 8127 p.info.authority = p.info.authority + ";" + names[j]; 8128 } 8129 if (DEBUG_PACKAGE_SCANNING) { 8130 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 8131 Log.d(TAG, "Registered content provider: " + names[j] 8132 + ", className = " + p.info.name + ", isSyncable = " 8133 + p.info.isSyncable); 8134 } 8135 } else { 8136 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 8137 Slog.w(TAG, "Skipping provider name " + names[j] + 8138 " (in package " + pkg.applicationInfo.packageName + 8139 "): name already used by " 8140 + ((other != null && other.getComponentName() != null) 8141 ? other.getComponentName().getPackageName() : "?")); 8142 } 8143 } 8144 } 8145 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8146 if (r == null) { 8147 r = new StringBuilder(256); 8148 } else { 8149 r.append(' '); 8150 } 8151 r.append(p.info.name); 8152 } 8153 } 8154 if (r != null) { 8155 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 8156 } 8157 8158 N = pkg.services.size(); 8159 r = null; 8160 for (i=0; i<N; i++) { 8161 PackageParser.Service s = pkg.services.get(i); 8162 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 8163 s.info.processName, pkg.applicationInfo.uid); 8164 mServices.addService(s); 8165 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8166 if (r == null) { 8167 r = new StringBuilder(256); 8168 } else { 8169 r.append(' '); 8170 } 8171 r.append(s.info.name); 8172 } 8173 } 8174 if (r != null) { 8175 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 8176 } 8177 8178 N = pkg.receivers.size(); 8179 r = null; 8180 for (i=0; i<N; i++) { 8181 PackageParser.Activity a = pkg.receivers.get(i); 8182 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 8183 a.info.processName, pkg.applicationInfo.uid); 8184 mReceivers.addActivity(a, "receiver"); 8185 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8186 if (r == null) { 8187 r = new StringBuilder(256); 8188 } else { 8189 r.append(' '); 8190 } 8191 r.append(a.info.name); 8192 } 8193 } 8194 if (r != null) { 8195 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 8196 } 8197 8198 N = pkg.activities.size(); 8199 r = null; 8200 for (i=0; i<N; i++) { 8201 PackageParser.Activity a = pkg.activities.get(i); 8202 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 8203 a.info.processName, pkg.applicationInfo.uid); 8204 mActivities.addActivity(a, "activity"); 8205 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8206 if (r == null) { 8207 r = new StringBuilder(256); 8208 } else { 8209 r.append(' '); 8210 } 8211 r.append(a.info.name); 8212 } 8213 } 8214 if (r != null) { 8215 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 8216 } 8217 8218 N = pkg.permissionGroups.size(); 8219 r = null; 8220 for (i=0; i<N; i++) { 8221 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 8222 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 8223 if (cur == null) { 8224 mPermissionGroups.put(pg.info.name, pg); 8225 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8226 if (r == null) { 8227 r = new StringBuilder(256); 8228 } else { 8229 r.append(' '); 8230 } 8231 r.append(pg.info.name); 8232 } 8233 } else { 8234 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 8235 + pg.info.packageName + " ignored: original from " 8236 + cur.info.packageName); 8237 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8238 if (r == null) { 8239 r = new StringBuilder(256); 8240 } else { 8241 r.append(' '); 8242 } 8243 r.append("DUP:"); 8244 r.append(pg.info.name); 8245 } 8246 } 8247 } 8248 if (r != null) { 8249 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 8250 } 8251 8252 N = pkg.permissions.size(); 8253 r = null; 8254 for (i=0; i<N; i++) { 8255 PackageParser.Permission p = pkg.permissions.get(i); 8256 8257 // Assume by default that we did not install this permission into the system. 8258 p.info.flags &= ~PermissionInfo.FLAG_INSTALLED; 8259 8260 // Now that permission groups have a special meaning, we ignore permission 8261 // groups for legacy apps to prevent unexpected behavior. In particular, 8262 // permissions for one app being granted to someone just becase they happen 8263 // to be in a group defined by another app (before this had no implications). 8264 if (pkg.applicationInfo.targetSdkVersion > Build.VERSION_CODES.LOLLIPOP_MR1) { 8265 p.group = mPermissionGroups.get(p.info.group); 8266 // Warn for a permission in an unknown group. 8267 if (p.info.group != null && p.group == null) { 8268 Slog.w(TAG, "Permission " + p.info.name + " from package " 8269 + p.info.packageName + " in an unknown group " + p.info.group); 8270 } 8271 } 8272 8273 ArrayMap<String, BasePermission> permissionMap = 8274 p.tree ? mSettings.mPermissionTrees 8275 : mSettings.mPermissions; 8276 BasePermission bp = permissionMap.get(p.info.name); 8277 8278 // Allow system apps to redefine non-system permissions 8279 if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) { 8280 final boolean currentOwnerIsSystem = (bp.perm != null 8281 && isSystemApp(bp.perm.owner)); 8282 if (isSystemApp(p.owner)) { 8283 if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) { 8284 // It's a built-in permission and no owner, take ownership now 8285 bp.packageSetting = pkgSetting; 8286 bp.perm = p; 8287 bp.uid = pkg.applicationInfo.uid; 8288 bp.sourcePackage = p.info.packageName; 8289 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 8290 } else if (!currentOwnerIsSystem) { 8291 String msg = "New decl " + p.owner + " of permission " 8292 + p.info.name + " is system; overriding " + bp.sourcePackage; 8293 reportSettingsProblem(Log.WARN, msg); 8294 bp = null; 8295 } 8296 } 8297 } 8298 8299 if (bp == null) { 8300 bp = new BasePermission(p.info.name, p.info.packageName, 8301 BasePermission.TYPE_NORMAL); 8302 permissionMap.put(p.info.name, bp); 8303 } 8304 8305 if (bp.perm == null) { 8306 if (bp.sourcePackage == null 8307 || bp.sourcePackage.equals(p.info.packageName)) { 8308 BasePermission tree = findPermissionTreeLP(p.info.name); 8309 if (tree == null 8310 || tree.sourcePackage.equals(p.info.packageName)) { 8311 bp.packageSetting = pkgSetting; 8312 bp.perm = p; 8313 bp.uid = pkg.applicationInfo.uid; 8314 bp.sourcePackage = p.info.packageName; 8315 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 8316 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8317 if (r == null) { 8318 r = new StringBuilder(256); 8319 } else { 8320 r.append(' '); 8321 } 8322 r.append(p.info.name); 8323 } 8324 } else { 8325 Slog.w(TAG, "Permission " + p.info.name + " from package " 8326 + p.info.packageName + " ignored: base tree " 8327 + tree.name + " is from package " 8328 + tree.sourcePackage); 8329 } 8330 } else { 8331 Slog.w(TAG, "Permission " + p.info.name + " from package " 8332 + p.info.packageName + " ignored: original from " 8333 + bp.sourcePackage); 8334 } 8335 } else if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8336 if (r == null) { 8337 r = new StringBuilder(256); 8338 } else { 8339 r.append(' '); 8340 } 8341 r.append("DUP:"); 8342 r.append(p.info.name); 8343 } 8344 if (bp.perm == p) { 8345 bp.protectionLevel = p.info.protectionLevel; 8346 } 8347 } 8348 8349 if (r != null) { 8350 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 8351 } 8352 8353 N = pkg.instrumentation.size(); 8354 r = null; 8355 for (i=0; i<N; i++) { 8356 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 8357 a.info.packageName = pkg.applicationInfo.packageName; 8358 a.info.sourceDir = pkg.applicationInfo.sourceDir; 8359 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 8360 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 8361 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 8362 a.info.dataDir = pkg.applicationInfo.dataDir; 8363 a.info.deviceProtectedDataDir = pkg.applicationInfo.deviceProtectedDataDir; 8364 a.info.credentialProtectedDataDir = pkg.applicationInfo.credentialProtectedDataDir; 8365 8366 // TODO: Update instrumentation.nativeLibraryDir as well ? Does it 8367 // need other information about the application, like the ABI and what not ? 8368 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 8369 mInstrumentation.put(a.getComponentName(), a); 8370 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8371 if (r == null) { 8372 r = new StringBuilder(256); 8373 } else { 8374 r.append(' '); 8375 } 8376 r.append(a.info.name); 8377 } 8378 } 8379 if (r != null) { 8380 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 8381 } 8382 8383 if (pkg.protectedBroadcasts != null) { 8384 N = pkg.protectedBroadcasts.size(); 8385 for (i=0; i<N; i++) { 8386 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 8387 } 8388 } 8389 8390 pkgSetting.setTimeStamp(scanFileTime); 8391 8392 // Create idmap files for pairs of (packages, overlay packages). 8393 // Note: "android", ie framework-res.apk, is handled by native layers. 8394 if (pkg.mOverlayTarget != null) { 8395 // This is an overlay package. 8396 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 8397 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 8398 mOverlays.put(pkg.mOverlayTarget, 8399 new ArrayMap<String, PackageParser.Package>()); 8400 } 8401 ArrayMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 8402 map.put(pkg.packageName, pkg); 8403 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 8404 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 8405 createIdmapFailed = true; 8406 } 8407 } 8408 } else if (mOverlays.containsKey(pkg.packageName) && 8409 !pkg.packageName.equals("android")) { 8410 // This is a regular package, with one or more known overlay packages. 8411 createIdmapsForPackageLI(pkg); 8412 } 8413 } 8414 8415 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8416 8417 if (createIdmapFailed) { 8418 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 8419 "scanPackageLI failed to createIdmap"); 8420 } 8421 return pkg; 8422 } 8423 8424 /** 8425 * Derive the ABI of a non-system package located at {@code scanFile}. This information 8426 * is derived purely on the basis of the contents of {@code scanFile} and 8427 * {@code cpuAbiOverride}. 8428 * 8429 * If {@code extractLibs} is true, native libraries are extracted from the app if required. 8430 */ 8431 private void derivePackageAbi(PackageParser.Package pkg, File scanFile, 8432 String cpuAbiOverride, boolean extractLibs) 8433 throws PackageManagerException { 8434 // TODO: We can probably be smarter about this stuff. For installed apps, 8435 // we can calculate this information at install time once and for all. For 8436 // system apps, we can probably assume that this information doesn't change 8437 // after the first boot scan. As things stand, we do lots of unnecessary work. 8438 8439 // Give ourselves some initial paths; we'll come back for another 8440 // pass once we've determined ABI below. 8441 setNativeLibraryPaths(pkg); 8442 8443 // We would never need to extract libs for forward-locked and external packages, 8444 // since the container service will do it for us. We shouldn't attempt to 8445 // extract libs from system app when it was not updated. 8446 if (pkg.isForwardLocked() || pkg.applicationInfo.isExternalAsec() || 8447 (isSystemApp(pkg) && !pkg.isUpdatedSystemApp())) { 8448 extractLibs = false; 8449 } 8450 8451 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 8452 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 8453 8454 NativeLibraryHelper.Handle handle = null; 8455 try { 8456 handle = NativeLibraryHelper.Handle.create(pkg); 8457 // TODO(multiArch): This can be null for apps that didn't go through the 8458 // usual installation process. We can calculate it again, like we 8459 // do during install time. 8460 // 8461 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 8462 // unnecessary. 8463 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 8464 8465 // Null out the abis so that they can be recalculated. 8466 pkg.applicationInfo.primaryCpuAbi = null; 8467 pkg.applicationInfo.secondaryCpuAbi = null; 8468 if (isMultiArch(pkg.applicationInfo)) { 8469 // Warn if we've set an abiOverride for multi-lib packages.. 8470 // By definition, we need to copy both 32 and 64 bit libraries for 8471 // such packages. 8472 if (pkg.cpuAbiOverride != null 8473 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 8474 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 8475 } 8476 8477 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 8478 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 8479 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 8480 if (extractLibs) { 8481 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 8482 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 8483 useIsaSpecificSubdirs); 8484 } else { 8485 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 8486 } 8487 } 8488 8489 maybeThrowExceptionForMultiArchCopy( 8490 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 8491 8492 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 8493 if (extractLibs) { 8494 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 8495 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 8496 useIsaSpecificSubdirs); 8497 } else { 8498 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 8499 } 8500 } 8501 8502 maybeThrowExceptionForMultiArchCopy( 8503 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 8504 8505 if (abi64 >= 0) { 8506 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 8507 } 8508 8509 if (abi32 >= 0) { 8510 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 8511 if (abi64 >= 0) { 8512 if (cpuAbiOverride == null && pkg.use32bitAbi) { 8513 pkg.applicationInfo.secondaryCpuAbi = pkg.applicationInfo.primaryCpuAbi; 8514 pkg.applicationInfo.primaryCpuAbi = abi; 8515 } else { 8516 pkg.applicationInfo.secondaryCpuAbi = abi; 8517 } 8518 } else { 8519 pkg.applicationInfo.primaryCpuAbi = abi; 8520 } 8521 } 8522 8523 } else { 8524 String[] abiList = (cpuAbiOverride != null) ? 8525 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 8526 8527 // Enable gross and lame hacks for apps that are built with old 8528 // SDK tools. We must scan their APKs for renderscript bitcode and 8529 // not launch them if it's present. Don't bother checking on devices 8530 // that don't have 64 bit support. 8531 boolean needsRenderScriptOverride = false; 8532 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 8533 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 8534 abiList = Build.SUPPORTED_32_BIT_ABIS; 8535 needsRenderScriptOverride = true; 8536 } 8537 8538 final int copyRet; 8539 if (extractLibs) { 8540 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 8541 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 8542 } else { 8543 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 8544 } 8545 8546 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 8547 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 8548 "Error unpackaging native libs for app, errorCode=" + copyRet); 8549 } 8550 8551 if (copyRet >= 0) { 8552 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 8553 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 8554 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 8555 } else if (needsRenderScriptOverride) { 8556 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 8557 } 8558 } 8559 } catch (IOException ioe) { 8560 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 8561 } finally { 8562 IoUtils.closeQuietly(handle); 8563 } 8564 8565 // Now that we've calculated the ABIs and determined if it's an internal app, 8566 // we will go ahead and populate the nativeLibraryPath. 8567 setNativeLibraryPaths(pkg); 8568 } 8569 8570 /** 8571 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 8572 * i.e, so that all packages can be run inside a single process if required. 8573 * 8574 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 8575 * this function will either try and make the ABI for all packages in {@code packagesForUser} 8576 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 8577 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 8578 * updating a package that belongs to a shared user. 8579 * 8580 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 8581 * adds unnecessary complexity. 8582 */ 8583 private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 8584 PackageParser.Package scannedPackage, boolean bootComplete) { 8585 String requiredInstructionSet = null; 8586 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 8587 requiredInstructionSet = VMRuntime.getInstructionSet( 8588 scannedPackage.applicationInfo.primaryCpuAbi); 8589 } 8590 8591 PackageSetting requirer = null; 8592 for (PackageSetting ps : packagesForUser) { 8593 // If packagesForUser contains scannedPackage, we skip it. This will happen 8594 // when scannedPackage is an update of an existing package. Without this check, 8595 // we will never be able to change the ABI of any package belonging to a shared 8596 // user, even if it's compatible with other packages. 8597 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 8598 if (ps.primaryCpuAbiString == null) { 8599 continue; 8600 } 8601 8602 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 8603 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 8604 // We have a mismatch between instruction sets (say arm vs arm64) warn about 8605 // this but there's not much we can do. 8606 String errorMessage = "Instruction set mismatch, " 8607 + ((requirer == null) ? "[caller]" : requirer) 8608 + " requires " + requiredInstructionSet + " whereas " + ps 8609 + " requires " + instructionSet; 8610 Slog.w(TAG, errorMessage); 8611 } 8612 8613 if (requiredInstructionSet == null) { 8614 requiredInstructionSet = instructionSet; 8615 requirer = ps; 8616 } 8617 } 8618 } 8619 8620 if (requiredInstructionSet != null) { 8621 String adjustedAbi; 8622 if (requirer != null) { 8623 // requirer != null implies that either scannedPackage was null or that scannedPackage 8624 // did not require an ABI, in which case we have to adjust scannedPackage to match 8625 // the ABI of the set (which is the same as requirer's ABI) 8626 adjustedAbi = requirer.primaryCpuAbiString; 8627 if (scannedPackage != null) { 8628 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 8629 } 8630 } else { 8631 // requirer == null implies that we're updating all ABIs in the set to 8632 // match scannedPackage. 8633 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 8634 } 8635 8636 for (PackageSetting ps : packagesForUser) { 8637 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 8638 if (ps.primaryCpuAbiString != null) { 8639 continue; 8640 } 8641 8642 ps.primaryCpuAbiString = adjustedAbi; 8643 if (ps.pkg != null && ps.pkg.applicationInfo != null && 8644 !TextUtils.equals(adjustedAbi, ps.pkg.applicationInfo.primaryCpuAbi)) { 8645 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 8646 Slog.i(TAG, "Adjusting ABI for " + ps.name + " to " + adjustedAbi 8647 + " (requirer=" 8648 + (requirer == null ? "null" : requirer.pkg.packageName) 8649 + ", scannedPackage=" 8650 + (scannedPackage != null ? scannedPackage.packageName : "null") 8651 + ")"); 8652 try { 8653 mInstaller.rmdex(ps.codePathString, 8654 getDexCodeInstructionSet(getPreferredInstructionSet())); 8655 } catch (InstallerException ignored) { 8656 } 8657 } 8658 } 8659 } 8660 } 8661 } 8662 8663 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 8664 synchronized (mPackages) { 8665 mResolverReplaced = true; 8666 // Set up information for custom user intent resolution activity. 8667 mResolveActivity.applicationInfo = pkg.applicationInfo; 8668 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 8669 mResolveActivity.packageName = pkg.applicationInfo.packageName; 8670 mResolveActivity.processName = pkg.applicationInfo.packageName; 8671 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 8672 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 8673 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 8674 mResolveActivity.theme = 0; 8675 mResolveActivity.exported = true; 8676 mResolveActivity.enabled = true; 8677 mResolveInfo.activityInfo = mResolveActivity; 8678 mResolveInfo.priority = 0; 8679 mResolveInfo.preferredOrder = 0; 8680 mResolveInfo.match = 0; 8681 mResolveComponentName = mCustomResolverComponentName; 8682 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 8683 mResolveComponentName); 8684 } 8685 } 8686 8687 private void setUpEphemeralInstallerActivityLP(ComponentName installerComponent) { 8688 final PackageParser.Package pkg = mPackages.get(installerComponent.getPackageName()); 8689 8690 // Set up information for ephemeral installer activity 8691 mEphemeralInstallerActivity.applicationInfo = pkg.applicationInfo; 8692 mEphemeralInstallerActivity.name = mEphemeralInstallerComponent.getClassName(); 8693 mEphemeralInstallerActivity.packageName = pkg.applicationInfo.packageName; 8694 mEphemeralInstallerActivity.processName = pkg.applicationInfo.packageName; 8695 mEphemeralInstallerActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 8696 mEphemeralInstallerActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 8697 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 8698 mEphemeralInstallerActivity.theme = 0; 8699 mEphemeralInstallerActivity.exported = true; 8700 mEphemeralInstallerActivity.enabled = true; 8701 mEphemeralInstallerInfo.activityInfo = mEphemeralInstallerActivity; 8702 mEphemeralInstallerInfo.priority = 0; 8703 mEphemeralInstallerInfo.preferredOrder = 0; 8704 mEphemeralInstallerInfo.match = 0; 8705 8706 if (DEBUG_EPHEMERAL) { 8707 Slog.d(TAG, "Set ephemeral installer activity: " + mEphemeralInstallerComponent); 8708 } 8709 } 8710 8711 private static String calculateBundledApkRoot(final String codePathString) { 8712 final File codePath = new File(codePathString); 8713 final File codeRoot; 8714 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 8715 codeRoot = Environment.getRootDirectory(); 8716 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 8717 codeRoot = Environment.getOemDirectory(); 8718 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 8719 codeRoot = Environment.getVendorDirectory(); 8720 } else { 8721 // Unrecognized code path; take its top real segment as the apk root: 8722 // e.g. /something/app/blah.apk => /something 8723 try { 8724 File f = codePath.getCanonicalFile(); 8725 File parent = f.getParentFile(); // non-null because codePath is a file 8726 File tmp; 8727 while ((tmp = parent.getParentFile()) != null) { 8728 f = parent; 8729 parent = tmp; 8730 } 8731 codeRoot = f; 8732 Slog.w(TAG, "Unrecognized code path " 8733 + codePath + " - using " + codeRoot); 8734 } catch (IOException e) { 8735 // Can't canonicalize the code path -- shenanigans? 8736 Slog.w(TAG, "Can't canonicalize code path " + codePath); 8737 return Environment.getRootDirectory().getPath(); 8738 } 8739 } 8740 return codeRoot.getPath(); 8741 } 8742 8743 /** 8744 * Derive and set the location of native libraries for the given package, 8745 * which varies depending on where and how the package was installed. 8746 */ 8747 private void setNativeLibraryPaths(PackageParser.Package pkg) { 8748 final ApplicationInfo info = pkg.applicationInfo; 8749 final String codePath = pkg.codePath; 8750 final File codeFile = new File(codePath); 8751 final boolean bundledApp = info.isSystemApp() && !info.isUpdatedSystemApp(); 8752 final boolean asecApp = info.isForwardLocked() || info.isExternalAsec(); 8753 8754 info.nativeLibraryRootDir = null; 8755 info.nativeLibraryRootRequiresIsa = false; 8756 info.nativeLibraryDir = null; 8757 info.secondaryNativeLibraryDir = null; 8758 8759 if (isApkFile(codeFile)) { 8760 // Monolithic install 8761 if (bundledApp) { 8762 // If "/system/lib64/apkname" exists, assume that is the per-package 8763 // native library directory to use; otherwise use "/system/lib/apkname". 8764 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 8765 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 8766 getPrimaryInstructionSet(info)); 8767 8768 // This is a bundled system app so choose the path based on the ABI. 8769 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 8770 // is just the default path. 8771 final String apkName = deriveCodePathName(codePath); 8772 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 8773 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 8774 apkName).getAbsolutePath(); 8775 8776 if (info.secondaryCpuAbi != null) { 8777 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 8778 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 8779 secondaryLibDir, apkName).getAbsolutePath(); 8780 } 8781 } else if (asecApp) { 8782 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 8783 .getAbsolutePath(); 8784 } else { 8785 final String apkName = deriveCodePathName(codePath); 8786 info.nativeLibraryRootDir = new File(mAppLib32InstallDir, apkName) 8787 .getAbsolutePath(); 8788 } 8789 8790 info.nativeLibraryRootRequiresIsa = false; 8791 info.nativeLibraryDir = info.nativeLibraryRootDir; 8792 } else { 8793 // Cluster install 8794 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 8795 info.nativeLibraryRootRequiresIsa = true; 8796 8797 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 8798 getPrimaryInstructionSet(info)).getAbsolutePath(); 8799 8800 if (info.secondaryCpuAbi != null) { 8801 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 8802 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 8803 } 8804 } 8805 } 8806 8807 /** 8808 * Calculate the abis and roots for a bundled app. These can uniquely 8809 * be determined from the contents of the system partition, i.e whether 8810 * it contains 64 or 32 bit shared libraries etc. We do not validate any 8811 * of this information, and instead assume that the system was built 8812 * sensibly. 8813 */ 8814 private void setBundledAppAbisAndRoots(PackageParser.Package pkg, 8815 PackageSetting pkgSetting) { 8816 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 8817 8818 // If "/system/lib64/apkname" exists, assume that is the per-package 8819 // native library directory to use; otherwise use "/system/lib/apkname". 8820 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 8821 setBundledAppAbi(pkg, apkRoot, apkName); 8822 // pkgSetting might be null during rescan following uninstall of updates 8823 // to a bundled app, so accommodate that possibility. The settings in 8824 // that case will be established later from the parsed package. 8825 // 8826 // If the settings aren't null, sync them up with what we've just derived. 8827 // note that apkRoot isn't stored in the package settings. 8828 if (pkgSetting != null) { 8829 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 8830 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 8831 } 8832 } 8833 8834 /** 8835 * Deduces the ABI of a bundled app and sets the relevant fields on the 8836 * parsed pkg object. 8837 * 8838 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 8839 * under which system libraries are installed. 8840 * @param apkName the name of the installed package. 8841 */ 8842 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 8843 final File codeFile = new File(pkg.codePath); 8844 8845 final boolean has64BitLibs; 8846 final boolean has32BitLibs; 8847 if (isApkFile(codeFile)) { 8848 // Monolithic install 8849 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 8850 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 8851 } else { 8852 // Cluster install 8853 final File rootDir = new File(codeFile, LIB_DIR_NAME); 8854 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 8855 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 8856 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 8857 has64BitLibs = (new File(rootDir, isa)).exists(); 8858 } else { 8859 has64BitLibs = false; 8860 } 8861 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 8862 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 8863 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 8864 has32BitLibs = (new File(rootDir, isa)).exists(); 8865 } else { 8866 has32BitLibs = false; 8867 } 8868 } 8869 8870 if (has64BitLibs && !has32BitLibs) { 8871 // The package has 64 bit libs, but not 32 bit libs. Its primary 8872 // ABI should be 64 bit. We can safely assume here that the bundled 8873 // native libraries correspond to the most preferred ABI in the list. 8874 8875 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 8876 pkg.applicationInfo.secondaryCpuAbi = null; 8877 } else if (has32BitLibs && !has64BitLibs) { 8878 // The package has 32 bit libs but not 64 bit libs. Its primary 8879 // ABI should be 32 bit. 8880 8881 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 8882 pkg.applicationInfo.secondaryCpuAbi = null; 8883 } else if (has32BitLibs && has64BitLibs) { 8884 // The application has both 64 and 32 bit bundled libraries. We check 8885 // here that the app declares multiArch support, and warn if it doesn't. 8886 // 8887 // We will be lenient here and record both ABIs. The primary will be the 8888 // ABI that's higher on the list, i.e, a device that's configured to prefer 8889 // 64 bit apps will see a 64 bit primary ABI, 8890 8891 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 8892 Slog.e(TAG, "Package " + pkg + " has multiple bundled libs, but is not multiarch."); 8893 } 8894 8895 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 8896 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 8897 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 8898 } else { 8899 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 8900 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 8901 } 8902 } else { 8903 pkg.applicationInfo.primaryCpuAbi = null; 8904 pkg.applicationInfo.secondaryCpuAbi = null; 8905 } 8906 } 8907 8908 private void killPackage(PackageParser.Package pkg, String reason) { 8909 // Kill the parent package 8910 killApplication(pkg.packageName, pkg.applicationInfo.uid, reason); 8911 // Kill the child packages 8912 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8913 for (int i = 0; i < childCount; i++) { 8914 PackageParser.Package childPkg = pkg.childPackages.get(i); 8915 killApplication(childPkg.packageName, childPkg.applicationInfo.uid, reason); 8916 } 8917 } 8918 8919 private void killApplication(String pkgName, int appId, String reason) { 8920 // Request the ActivityManager to kill the process(only for existing packages) 8921 // so that we do not end up in a confused state while the user is still using the older 8922 // version of the application while the new one gets installed. 8923 IActivityManager am = ActivityManagerNative.getDefault(); 8924 if (am != null) { 8925 try { 8926 am.killApplicationWithAppId(pkgName, appId, reason); 8927 } catch (RemoteException e) { 8928 } 8929 } 8930 } 8931 8932 private void removePackageLI(PackageParser.Package pkg, boolean chatty) { 8933 // Remove the parent package setting 8934 PackageSetting ps = (PackageSetting) pkg.mExtras; 8935 if (ps != null) { 8936 removePackageLI(ps, chatty); 8937 } 8938 // Remove the child package setting 8939 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8940 for (int i = 0; i < childCount; i++) { 8941 PackageParser.Package childPkg = pkg.childPackages.get(i); 8942 ps = (PackageSetting) childPkg.mExtras; 8943 if (ps != null) { 8944 removePackageLI(ps, chatty); 8945 } 8946 } 8947 } 8948 8949 void removePackageLI(PackageSetting ps, boolean chatty) { 8950 if (DEBUG_INSTALL) { 8951 if (chatty) 8952 Log.d(TAG, "Removing package " + ps.name); 8953 } 8954 8955 // writer 8956 synchronized (mPackages) { 8957 mPackages.remove(ps.name); 8958 final PackageParser.Package pkg = ps.pkg; 8959 if (pkg != null) { 8960 cleanPackageDataStructuresLILPw(pkg, chatty); 8961 } 8962 } 8963 } 8964 8965 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 8966 if (DEBUG_INSTALL) { 8967 if (chatty) 8968 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 8969 } 8970 8971 // writer 8972 synchronized (mPackages) { 8973 // Remove the parent package 8974 mPackages.remove(pkg.applicationInfo.packageName); 8975 cleanPackageDataStructuresLILPw(pkg, chatty); 8976 8977 // Remove the child packages 8978 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8979 for (int i = 0; i < childCount; i++) { 8980 PackageParser.Package childPkg = pkg.childPackages.get(i); 8981 mPackages.remove(childPkg.applicationInfo.packageName); 8982 cleanPackageDataStructuresLILPw(childPkg, chatty); 8983 } 8984 } 8985 } 8986 8987 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 8988 int N = pkg.providers.size(); 8989 StringBuilder r = null; 8990 int i; 8991 for (i=0; i<N; i++) { 8992 PackageParser.Provider p = pkg.providers.get(i); 8993 mProviders.removeProvider(p); 8994 if (p.info.authority == null) { 8995 8996 /* There was another ContentProvider with this authority when 8997 * this app was installed so this authority is null, 8998 * Ignore it as we don't have to unregister the provider. 8999 */ 9000 continue; 9001 } 9002 String names[] = p.info.authority.split(";"); 9003 for (int j = 0; j < names.length; j++) { 9004 if (mProvidersByAuthority.get(names[j]) == p) { 9005 mProvidersByAuthority.remove(names[j]); 9006 if (DEBUG_REMOVE) { 9007 if (chatty) 9008 Log.d(TAG, "Unregistered content provider: " + names[j] 9009 + ", className = " + p.info.name + ", isSyncable = " 9010 + p.info.isSyncable); 9011 } 9012 } 9013 } 9014 if (DEBUG_REMOVE && chatty) { 9015 if (r == null) { 9016 r = new StringBuilder(256); 9017 } else { 9018 r.append(' '); 9019 } 9020 r.append(p.info.name); 9021 } 9022 } 9023 if (r != null) { 9024 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 9025 } 9026 9027 N = pkg.services.size(); 9028 r = null; 9029 for (i=0; i<N; i++) { 9030 PackageParser.Service s = pkg.services.get(i); 9031 mServices.removeService(s); 9032 if (chatty) { 9033 if (r == null) { 9034 r = new StringBuilder(256); 9035 } else { 9036 r.append(' '); 9037 } 9038 r.append(s.info.name); 9039 } 9040 } 9041 if (r != null) { 9042 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 9043 } 9044 9045 N = pkg.receivers.size(); 9046 r = null; 9047 for (i=0; i<N; i++) { 9048 PackageParser.Activity a = pkg.receivers.get(i); 9049 mReceivers.removeActivity(a, "receiver"); 9050 if (DEBUG_REMOVE && chatty) { 9051 if (r == null) { 9052 r = new StringBuilder(256); 9053 } else { 9054 r.append(' '); 9055 } 9056 r.append(a.info.name); 9057 } 9058 } 9059 if (r != null) { 9060 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 9061 } 9062 9063 N = pkg.activities.size(); 9064 r = null; 9065 for (i=0; i<N; i++) { 9066 PackageParser.Activity a = pkg.activities.get(i); 9067 mActivities.removeActivity(a, "activity"); 9068 if (DEBUG_REMOVE && chatty) { 9069 if (r == null) { 9070 r = new StringBuilder(256); 9071 } else { 9072 r.append(' '); 9073 } 9074 r.append(a.info.name); 9075 } 9076 } 9077 if (r != null) { 9078 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 9079 } 9080 9081 N = pkg.permissions.size(); 9082 r = null; 9083 for (i=0; i<N; i++) { 9084 PackageParser.Permission p = pkg.permissions.get(i); 9085 BasePermission bp = mSettings.mPermissions.get(p.info.name); 9086 if (bp == null) { 9087 bp = mSettings.mPermissionTrees.get(p.info.name); 9088 } 9089 if (bp != null && bp.perm == p) { 9090 bp.perm = null; 9091 if (DEBUG_REMOVE && chatty) { 9092 if (r == null) { 9093 r = new StringBuilder(256); 9094 } else { 9095 r.append(' '); 9096 } 9097 r.append(p.info.name); 9098 } 9099 } 9100 if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9101 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(p.info.name); 9102 if (appOpPkgs != null) { 9103 appOpPkgs.remove(pkg.packageName); 9104 } 9105 } 9106 } 9107 if (r != null) { 9108 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 9109 } 9110 9111 N = pkg.requestedPermissions.size(); 9112 r = null; 9113 for (i=0; i<N; i++) { 9114 String perm = pkg.requestedPermissions.get(i); 9115 BasePermission bp = mSettings.mPermissions.get(perm); 9116 if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9117 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(perm); 9118 if (appOpPkgs != null) { 9119 appOpPkgs.remove(pkg.packageName); 9120 if (appOpPkgs.isEmpty()) { 9121 mAppOpPermissionPackages.remove(perm); 9122 } 9123 } 9124 } 9125 } 9126 if (r != null) { 9127 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 9128 } 9129 9130 N = pkg.instrumentation.size(); 9131 r = null; 9132 for (i=0; i<N; i++) { 9133 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 9134 mInstrumentation.remove(a.getComponentName()); 9135 if (DEBUG_REMOVE && chatty) { 9136 if (r == null) { 9137 r = new StringBuilder(256); 9138 } else { 9139 r.append(' '); 9140 } 9141 r.append(a.info.name); 9142 } 9143 } 9144 if (r != null) { 9145 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 9146 } 9147 9148 r = null; 9149 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 9150 // Only system apps can hold shared libraries. 9151 if (pkg.libraryNames != null) { 9152 for (i=0; i<pkg.libraryNames.size(); i++) { 9153 String name = pkg.libraryNames.get(i); 9154 SharedLibraryEntry cur = mSharedLibraries.get(name); 9155 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 9156 mSharedLibraries.remove(name); 9157 if (DEBUG_REMOVE && chatty) { 9158 if (r == null) { 9159 r = new StringBuilder(256); 9160 } else { 9161 r.append(' '); 9162 } 9163 r.append(name); 9164 } 9165 } 9166 } 9167 } 9168 } 9169 if (r != null) { 9170 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 9171 } 9172 } 9173 9174 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 9175 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 9176 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 9177 return true; 9178 } 9179 } 9180 return false; 9181 } 9182 9183 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 9184 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 9185 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 9186 9187 private void updatePermissionsLPw(PackageParser.Package pkg, int flags) { 9188 // Update the parent permissions 9189 updatePermissionsLPw(pkg.packageName, pkg, flags); 9190 // Update the child permissions 9191 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9192 for (int i = 0; i < childCount; i++) { 9193 PackageParser.Package childPkg = pkg.childPackages.get(i); 9194 updatePermissionsLPw(childPkg.packageName, childPkg, flags); 9195 } 9196 } 9197 9198 private void updatePermissionsLPw(String changingPkg, PackageParser.Package pkgInfo, 9199 int flags) { 9200 final String volumeUuid = (pkgInfo != null) ? getVolumeUuidForPackage(pkgInfo) : null; 9201 updatePermissionsLPw(changingPkg, pkgInfo, volumeUuid, flags); 9202 } 9203 9204 private void updatePermissionsLPw(String changingPkg, 9205 PackageParser.Package pkgInfo, String replaceVolumeUuid, int flags) { 9206 // Make sure there are no dangling permission trees. 9207 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 9208 while (it.hasNext()) { 9209 final BasePermission bp = it.next(); 9210 if (bp.packageSetting == null) { 9211 // We may not yet have parsed the package, so just see if 9212 // we still know about its settings. 9213 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 9214 } 9215 if (bp.packageSetting == null) { 9216 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 9217 + " from package " + bp.sourcePackage); 9218 it.remove(); 9219 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 9220 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 9221 Slog.i(TAG, "Removing old permission tree: " + bp.name 9222 + " from package " + bp.sourcePackage); 9223 flags |= UPDATE_PERMISSIONS_ALL; 9224 it.remove(); 9225 } 9226 } 9227 } 9228 9229 // Make sure all dynamic permissions have been assigned to a package, 9230 // and make sure there are no dangling permissions. 9231 it = mSettings.mPermissions.values().iterator(); 9232 while (it.hasNext()) { 9233 final BasePermission bp = it.next(); 9234 if (bp.type == BasePermission.TYPE_DYNAMIC) { 9235 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 9236 + bp.name + " pkg=" + bp.sourcePackage 9237 + " info=" + bp.pendingInfo); 9238 if (bp.packageSetting == null && bp.pendingInfo != null) { 9239 final BasePermission tree = findPermissionTreeLP(bp.name); 9240 if (tree != null && tree.perm != null) { 9241 bp.packageSetting = tree.packageSetting; 9242 bp.perm = new PackageParser.Permission(tree.perm.owner, 9243 new PermissionInfo(bp.pendingInfo)); 9244 bp.perm.info.packageName = tree.perm.info.packageName; 9245 bp.perm.info.name = bp.name; 9246 bp.uid = tree.uid; 9247 } 9248 } 9249 } 9250 if (bp.packageSetting == null) { 9251 // We may not yet have parsed the package, so just see if 9252 // we still know about its settings. 9253 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 9254 } 9255 if (bp.packageSetting == null) { 9256 Slog.w(TAG, "Removing dangling permission: " + bp.name 9257 + " from package " + bp.sourcePackage); 9258 it.remove(); 9259 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 9260 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 9261 Slog.i(TAG, "Removing old permission: " + bp.name 9262 + " from package " + bp.sourcePackage); 9263 flags |= UPDATE_PERMISSIONS_ALL; 9264 it.remove(); 9265 } 9266 } 9267 } 9268 9269 // Now update the permissions for all packages, in particular 9270 // replace the granted permissions of the system packages. 9271 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 9272 for (PackageParser.Package pkg : mPackages.values()) { 9273 if (pkg != pkgInfo) { 9274 // Only replace for packages on requested volume 9275 final String volumeUuid = getVolumeUuidForPackage(pkg); 9276 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_ALL) != 0) 9277 && Objects.equals(replaceVolumeUuid, volumeUuid); 9278 grantPermissionsLPw(pkg, replace, changingPkg); 9279 } 9280 } 9281 } 9282 9283 if (pkgInfo != null) { 9284 // Only replace for packages on requested volume 9285 final String volumeUuid = getVolumeUuidForPackage(pkgInfo); 9286 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_PKG) != 0) 9287 && Objects.equals(replaceVolumeUuid, volumeUuid); 9288 grantPermissionsLPw(pkgInfo, replace, changingPkg); 9289 } 9290 } 9291 9292 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace, 9293 String packageOfInterest) { 9294 // IMPORTANT: There are two types of permissions: install and runtime. 9295 // Install time permissions are granted when the app is installed to 9296 // all device users and users added in the future. Runtime permissions 9297 // are granted at runtime explicitly to specific users. Normal and signature 9298 // protected permissions are install time permissions. Dangerous permissions 9299 // are install permissions if the app's target SDK is Lollipop MR1 or older, 9300 // otherwise they are runtime permissions. This function does not manage 9301 // runtime permissions except for the case an app targeting Lollipop MR1 9302 // being upgraded to target a newer SDK, in which case dangerous permissions 9303 // are transformed from install time to runtime ones. 9304 9305 final PackageSetting ps = (PackageSetting) pkg.mExtras; 9306 if (ps == null) { 9307 return; 9308 } 9309 9310 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "grantPermissions"); 9311 9312 PermissionsState permissionsState = ps.getPermissionsState(); 9313 PermissionsState origPermissions = permissionsState; 9314 9315 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 9316 9317 boolean runtimePermissionsRevoked = false; 9318 int[] changedRuntimePermissionUserIds = EMPTY_INT_ARRAY; 9319 9320 boolean changedInstallPermission = false; 9321 9322 if (replace) { 9323 ps.installPermissionsFixed = false; 9324 if (!ps.isSharedUser()) { 9325 origPermissions = new PermissionsState(permissionsState); 9326 permissionsState.reset(); 9327 } else { 9328 // We need to know only about runtime permission changes since the 9329 // calling code always writes the install permissions state but 9330 // the runtime ones are written only if changed. The only cases of 9331 // changed runtime permissions here are promotion of an install to 9332 // runtime and revocation of a runtime from a shared user. 9333 changedRuntimePermissionUserIds = revokeUnusedSharedUserPermissionsLPw( 9334 ps.sharedUser, UserManagerService.getInstance().getUserIds()); 9335 if (!ArrayUtils.isEmpty(changedRuntimePermissionUserIds)) { 9336 runtimePermissionsRevoked = true; 9337 } 9338 } 9339 } 9340 9341 permissionsState.setGlobalGids(mGlobalGids); 9342 9343 final int N = pkg.requestedPermissions.size(); 9344 for (int i=0; i<N; i++) { 9345 final String name = pkg.requestedPermissions.get(i); 9346 final BasePermission bp = mSettings.mPermissions.get(name); 9347 9348 if (DEBUG_INSTALL) { 9349 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 9350 } 9351 9352 if (bp == null || bp.packageSetting == null) { 9353 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 9354 Slog.w(TAG, "Unknown permission " + name 9355 + " in package " + pkg.packageName); 9356 } 9357 continue; 9358 } 9359 9360 final String perm = bp.name; 9361 boolean allowedSig = false; 9362 int grant = GRANT_DENIED; 9363 9364 // Keep track of app op permissions. 9365 if ((bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9366 ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name); 9367 if (pkgs == null) { 9368 pkgs = new ArraySet<>(); 9369 mAppOpPermissionPackages.put(bp.name, pkgs); 9370 } 9371 pkgs.add(pkg.packageName); 9372 } 9373 9374 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 9375 final boolean appSupportsRuntimePermissions = pkg.applicationInfo.targetSdkVersion 9376 >= Build.VERSION_CODES.M; 9377 switch (level) { 9378 case PermissionInfo.PROTECTION_NORMAL: { 9379 // For all apps normal permissions are install time ones. 9380 grant = GRANT_INSTALL; 9381 } break; 9382 9383 case PermissionInfo.PROTECTION_DANGEROUS: { 9384 // If a permission review is required for legacy apps we represent 9385 // their permissions as always granted runtime ones since we need 9386 // to keep the review required permission flag per user while an 9387 // install permission's state is shared across all users. 9388 if (!appSupportsRuntimePermissions && !Build.PERMISSIONS_REVIEW_REQUIRED) { 9389 // For legacy apps dangerous permissions are install time ones. 9390 grant = GRANT_INSTALL; 9391 } else if (origPermissions.hasInstallPermission(bp.name)) { 9392 // For legacy apps that became modern, install becomes runtime. 9393 grant = GRANT_UPGRADE; 9394 } else if (mPromoteSystemApps 9395 && isSystemApp(ps) 9396 && mExistingSystemPackages.contains(ps.name)) { 9397 // For legacy system apps, install becomes runtime. 9398 // We cannot check hasInstallPermission() for system apps since those 9399 // permissions were granted implicitly and not persisted pre-M. 9400 grant = GRANT_UPGRADE; 9401 } else { 9402 // For modern apps keep runtime permissions unchanged. 9403 grant = GRANT_RUNTIME; 9404 } 9405 } break; 9406 9407 case PermissionInfo.PROTECTION_SIGNATURE: { 9408 // For all apps signature permissions are install time ones. 9409 allowedSig = grantSignaturePermission(perm, pkg, bp, origPermissions); 9410 if (allowedSig) { 9411 grant = GRANT_INSTALL; 9412 } 9413 } break; 9414 } 9415 9416 if (DEBUG_INSTALL) { 9417 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 9418 } 9419 9420 if (grant != GRANT_DENIED) { 9421 if (!isSystemApp(ps) && ps.installPermissionsFixed) { 9422 // If this is an existing, non-system package, then 9423 // we can't add any new permissions to it. 9424 if (!allowedSig && !origPermissions.hasInstallPermission(perm)) { 9425 // Except... if this is a permission that was added 9426 // to the platform (note: need to only do this when 9427 // updating the platform). 9428 if (!isNewPlatformPermissionForPackage(perm, pkg)) { 9429 grant = GRANT_DENIED; 9430 } 9431 } 9432 } 9433 9434 switch (grant) { 9435 case GRANT_INSTALL: { 9436 // Revoke this as runtime permission to handle the case of 9437 // a runtime permission being downgraded to an install one. Also in permission review mode we keep dangerous permissions for legacy apps 9438 for (int userId : UserManagerService.getInstance().getUserIds()) { 9439 if (origPermissions.getRuntimePermissionState( 9440 bp.name, userId) != null) { 9441 // Revoke the runtime permission and clear the flags. 9442 origPermissions.revokeRuntimePermission(bp, userId); 9443 origPermissions.updatePermissionFlags(bp, userId, 9444 PackageManager.MASK_PERMISSION_FLAGS, 0); 9445 // If we revoked a permission permission, we have to write. 9446 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9447 changedRuntimePermissionUserIds, userId); 9448 } 9449 } 9450 // Grant an install permission. 9451 if (permissionsState.grantInstallPermission(bp) != 9452 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9453 changedInstallPermission = true; 9454 } 9455 } break; 9456 9457 case GRANT_RUNTIME: { 9458 // Grant previously granted runtime permissions. 9459 for (int userId : UserManagerService.getInstance().getUserIds()) { 9460 PermissionState permissionState = origPermissions 9461 .getRuntimePermissionState(bp.name, userId); 9462 int flags = permissionState != null 9463 ? permissionState.getFlags() : 0; 9464 if (origPermissions.hasRuntimePermission(bp.name, userId)) { 9465 if (permissionsState.grantRuntimePermission(bp, userId) == 9466 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9467 // If we cannot put the permission as it was, we have to write. 9468 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9469 changedRuntimePermissionUserIds, userId); 9470 } 9471 // If the app supports runtime permissions no need for a review. 9472 if (Build.PERMISSIONS_REVIEW_REQUIRED 9473 && appSupportsRuntimePermissions 9474 && (flags & PackageManager 9475 .FLAG_PERMISSION_REVIEW_REQUIRED) != 0) { 9476 flags &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 9477 // Since we changed the flags, we have to write. 9478 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9479 changedRuntimePermissionUserIds, userId); 9480 } 9481 } else if (Build.PERMISSIONS_REVIEW_REQUIRED 9482 && !appSupportsRuntimePermissions) { 9483 // For legacy apps that need a permission review, every new 9484 // runtime permission is granted but it is pending a review. 9485 if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 9486 permissionsState.grantRuntimePermission(bp, userId); 9487 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 9488 // We changed the permission and flags, hence have to write. 9489 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9490 changedRuntimePermissionUserIds, userId); 9491 } 9492 } 9493 // Propagate the permission flags. 9494 permissionsState.updatePermissionFlags(bp, userId, flags, flags); 9495 } 9496 } break; 9497 9498 case GRANT_UPGRADE: { 9499 // Grant runtime permissions for a previously held install permission. 9500 PermissionState permissionState = origPermissions 9501 .getInstallPermissionState(bp.name); 9502 final int flags = permissionState != null ? permissionState.getFlags() : 0; 9503 9504 if (origPermissions.revokeInstallPermission(bp) 9505 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 9506 // We will be transferring the permission flags, so clear them. 9507 origPermissions.updatePermissionFlags(bp, UserHandle.USER_ALL, 9508 PackageManager.MASK_PERMISSION_FLAGS, 0); 9509 changedInstallPermission = true; 9510 } 9511 9512 // If the permission is not to be promoted to runtime we ignore it and 9513 // also its other flags as they are not applicable to install permissions. 9514 if ((flags & PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE) == 0) { 9515 for (int userId : currentUserIds) { 9516 if (permissionsState.grantRuntimePermission(bp, userId) != 9517 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9518 // Transfer the permission flags. 9519 permissionsState.updatePermissionFlags(bp, userId, 9520 flags, flags); 9521 // If we granted the permission, we have to write. 9522 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9523 changedRuntimePermissionUserIds, userId); 9524 } 9525 } 9526 } 9527 } break; 9528 9529 default: { 9530 if (packageOfInterest == null 9531 || packageOfInterest.equals(pkg.packageName)) { 9532 Slog.w(TAG, "Not granting permission " + perm 9533 + " to package " + pkg.packageName 9534 + " because it was previously installed without"); 9535 } 9536 } break; 9537 } 9538 } else { 9539 if (permissionsState.revokeInstallPermission(bp) != 9540 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9541 // Also drop the permission flags. 9542 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 9543 PackageManager.MASK_PERMISSION_FLAGS, 0); 9544 changedInstallPermission = true; 9545 Slog.i(TAG, "Un-granting permission " + perm 9546 + " from package " + pkg.packageName 9547 + " (protectionLevel=" + bp.protectionLevel 9548 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 9549 + ")"); 9550 } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) { 9551 // Don't print warning for app op permissions, since it is fine for them 9552 // not to be granted, there is a UI for the user to decide. 9553 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 9554 Slog.w(TAG, "Not granting permission " + perm 9555 + " to package " + pkg.packageName 9556 + " (protectionLevel=" + bp.protectionLevel 9557 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 9558 + ")"); 9559 } 9560 } 9561 } 9562 } 9563 9564 if ((changedInstallPermission || replace) && !ps.installPermissionsFixed && 9565 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 9566 // This is the first that we have heard about this package, so the 9567 // permissions we have now selected are fixed until explicitly 9568 // changed. 9569 ps.installPermissionsFixed = true; 9570 } 9571 9572 // Persist the runtime permissions state for users with changes. If permissions 9573 // were revoked because no app in the shared user declares them we have to 9574 // write synchronously to avoid losing runtime permissions state. 9575 for (int userId : changedRuntimePermissionUserIds) { 9576 mSettings.writeRuntimePermissionsForUserLPr(userId, runtimePermissionsRevoked); 9577 } 9578 9579 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9580 } 9581 9582 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 9583 boolean allowed = false; 9584 final int NP = PackageParser.NEW_PERMISSIONS.length; 9585 for (int ip=0; ip<NP; ip++) { 9586 final PackageParser.NewPermissionInfo npi 9587 = PackageParser.NEW_PERMISSIONS[ip]; 9588 if (npi.name.equals(perm) 9589 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 9590 allowed = true; 9591 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 9592 + pkg.packageName); 9593 break; 9594 } 9595 } 9596 return allowed; 9597 } 9598 9599 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 9600 BasePermission bp, PermissionsState origPermissions) { 9601 boolean allowed; 9602 allowed = (compareSignatures( 9603 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 9604 == PackageManager.SIGNATURE_MATCH) 9605 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 9606 == PackageManager.SIGNATURE_MATCH); 9607 if (!allowed && (bp.protectionLevel 9608 & PermissionInfo.PROTECTION_FLAG_PRIVILEGED) != 0) { 9609 if (isSystemApp(pkg)) { 9610 // For updated system applications, a system permission 9611 // is granted only if it had been defined by the original application. 9612 if (pkg.isUpdatedSystemApp()) { 9613 final PackageSetting sysPs = mSettings 9614 .getDisabledSystemPkgLPr(pkg.packageName); 9615 if (sysPs != null && sysPs.getPermissionsState().hasInstallPermission(perm)) { 9616 // If the original was granted this permission, we take 9617 // that grant decision as read and propagate it to the 9618 // update. 9619 if (sysPs.isPrivileged()) { 9620 allowed = true; 9621 } 9622 } else { 9623 // The system apk may have been updated with an older 9624 // version of the one on the data partition, but which 9625 // granted a new system permission that it didn't have 9626 // before. In this case we do want to allow the app to 9627 // now get the new permission if the ancestral apk is 9628 // privileged to get it. 9629 if (sysPs != null && sysPs.pkg != null && sysPs.isPrivileged()) { 9630 for (int j = 0; j < sysPs.pkg.requestedPermissions.size(); j++) { 9631 if (perm.equals(sysPs.pkg.requestedPermissions.get(j))) { 9632 allowed = true; 9633 break; 9634 } 9635 } 9636 } 9637 // Also if a privileged parent package on the system image or any of 9638 // its children requested a privileged permission, the updated child 9639 // packages can also get the permission. 9640 if (pkg.parentPackage != null) { 9641 final PackageSetting disabledSysParentPs = mSettings 9642 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 9643 if (disabledSysParentPs != null && disabledSysParentPs.pkg != null 9644 && disabledSysParentPs.isPrivileged()) { 9645 if (isPackageRequestingPermission(disabledSysParentPs.pkg, perm)) { 9646 allowed = true; 9647 } else if (disabledSysParentPs.pkg.childPackages != null) { 9648 final int count = disabledSysParentPs.pkg.childPackages.size(); 9649 for (int i = 0; i < count; i++) { 9650 PackageParser.Package disabledSysChildPkg = 9651 disabledSysParentPs.pkg.childPackages.get(i); 9652 if (isPackageRequestingPermission(disabledSysChildPkg, 9653 perm)) { 9654 allowed = true; 9655 break; 9656 } 9657 } 9658 } 9659 } 9660 } 9661 } 9662 } else { 9663 allowed = isPrivilegedApp(pkg); 9664 } 9665 } 9666 } 9667 if (!allowed) { 9668 if (!allowed && (bp.protectionLevel 9669 & PermissionInfo.PROTECTION_FLAG_PRE23) != 0 9670 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 9671 // If this was a previously normal/dangerous permission that got moved 9672 // to a system permission as part of the runtime permission redesign, then 9673 // we still want to blindly grant it to old apps. 9674 allowed = true; 9675 } 9676 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_INSTALLER) != 0 9677 && pkg.packageName.equals(mRequiredInstallerPackage)) { 9678 // If this permission is to be granted to the system installer and 9679 // this app is an installer, then it gets the permission. 9680 allowed = true; 9681 } 9682 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_VERIFIER) != 0 9683 && pkg.packageName.equals(mRequiredVerifierPackage)) { 9684 // If this permission is to be granted to the system verifier and 9685 // this app is a verifier, then it gets the permission. 9686 allowed = true; 9687 } 9688 if (!allowed && (bp.protectionLevel 9689 & PermissionInfo.PROTECTION_FLAG_PREINSTALLED) != 0 9690 && isSystemApp(pkg)) { 9691 // Any pre-installed system app is allowed to get this permission. 9692 allowed = true; 9693 } 9694 if (!allowed && (bp.protectionLevel 9695 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 9696 // For development permissions, a development permission 9697 // is granted only if it was already granted. 9698 allowed = origPermissions.hasInstallPermission(perm); 9699 } 9700 } 9701 return allowed; 9702 } 9703 9704 private boolean isPackageRequestingPermission(PackageParser.Package pkg, String permission) { 9705 final int permCount = pkg.requestedPermissions.size(); 9706 for (int j = 0; j < permCount; j++) { 9707 String requestedPermission = pkg.requestedPermissions.get(j); 9708 if (permission.equals(requestedPermission)) { 9709 return true; 9710 } 9711 } 9712 return false; 9713 } 9714 9715 final class ActivityIntentResolver 9716 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 9717 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 9718 boolean defaultOnly, int userId) { 9719 if (!sUserManager.exists(userId)) return null; 9720 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 9721 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 9722 } 9723 9724 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 9725 int userId) { 9726 if (!sUserManager.exists(userId)) return null; 9727 mFlags = flags; 9728 return super.queryIntent(intent, resolvedType, 9729 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 9730 } 9731 9732 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 9733 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 9734 if (!sUserManager.exists(userId)) return null; 9735 if (packageActivities == null) { 9736 return null; 9737 } 9738 mFlags = flags; 9739 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 9740 final int N = packageActivities.size(); 9741 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 9742 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 9743 9744 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 9745 for (int i = 0; i < N; ++i) { 9746 intentFilters = packageActivities.get(i).intents; 9747 if (intentFilters != null && intentFilters.size() > 0) { 9748 PackageParser.ActivityIntentInfo[] array = 9749 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 9750 intentFilters.toArray(array); 9751 listCut.add(array); 9752 } 9753 } 9754 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 9755 } 9756 9757 public final void addActivity(PackageParser.Activity a, String type) { 9758 final boolean systemApp = a.info.applicationInfo.isSystemApp(); 9759 mActivities.put(a.getComponentName(), a); 9760 if (DEBUG_SHOW_INFO) 9761 Log.v( 9762 TAG, " " + type + " " + 9763 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 9764 if (DEBUG_SHOW_INFO) 9765 Log.v(TAG, " Class=" + a.info.name); 9766 final int NI = a.intents.size(); 9767 for (int j=0; j<NI; j++) { 9768 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 9769 if (!systemApp && intent.getPriority() > 0 && "activity".equals(type)) { 9770 intent.setPriority(0); 9771 Log.w(TAG, "Package " + a.info.applicationInfo.packageName + " has activity " 9772 + a.className + " with priority > 0, forcing to 0"); 9773 } 9774 if (DEBUG_SHOW_INFO) { 9775 Log.v(TAG, " IntentFilter:"); 9776 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 9777 } 9778 if (!intent.debugCheck()) { 9779 Log.w(TAG, "==> For Activity " + a.info.name); 9780 } 9781 addFilter(intent); 9782 } 9783 } 9784 9785 public final void removeActivity(PackageParser.Activity a, String type) { 9786 mActivities.remove(a.getComponentName()); 9787 if (DEBUG_SHOW_INFO) { 9788 Log.v(TAG, " " + type + " " 9789 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 9790 : a.info.name) + ":"); 9791 Log.v(TAG, " Class=" + a.info.name); 9792 } 9793 final int NI = a.intents.size(); 9794 for (int j=0; j<NI; j++) { 9795 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 9796 if (DEBUG_SHOW_INFO) { 9797 Log.v(TAG, " IntentFilter:"); 9798 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 9799 } 9800 removeFilter(intent); 9801 } 9802 } 9803 9804 @Override 9805 protected boolean allowFilterResult( 9806 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 9807 ActivityInfo filterAi = filter.activity.info; 9808 for (int i=dest.size()-1; i>=0; i--) { 9809 ActivityInfo destAi = dest.get(i).activityInfo; 9810 if (destAi.name == filterAi.name 9811 && destAi.packageName == filterAi.packageName) { 9812 return false; 9813 } 9814 } 9815 return true; 9816 } 9817 9818 @Override 9819 protected ActivityIntentInfo[] newArray(int size) { 9820 return new ActivityIntentInfo[size]; 9821 } 9822 9823 @Override 9824 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 9825 if (!sUserManager.exists(userId)) return true; 9826 PackageParser.Package p = filter.activity.owner; 9827 if (p != null) { 9828 PackageSetting ps = (PackageSetting)p.mExtras; 9829 if (ps != null) { 9830 // System apps are never considered stopped for purposes of 9831 // filtering, because there may be no way for the user to 9832 // actually re-launch them. 9833 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 9834 && ps.getStopped(userId); 9835 } 9836 } 9837 return false; 9838 } 9839 9840 @Override 9841 protected boolean isPackageForFilter(String packageName, 9842 PackageParser.ActivityIntentInfo info) { 9843 return packageName.equals(info.activity.owner.packageName); 9844 } 9845 9846 @Override 9847 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 9848 int match, int userId) { 9849 if (!sUserManager.exists(userId)) return null; 9850 if (!mSettings.isEnabledAndMatchLPr(info.activity.info, mFlags, userId)) { 9851 return null; 9852 } 9853 final PackageParser.Activity activity = info.activity; 9854 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 9855 if (ps == null) { 9856 return null; 9857 } 9858 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 9859 ps.readUserState(userId), userId); 9860 if (ai == null) { 9861 return null; 9862 } 9863 final ResolveInfo res = new ResolveInfo(); 9864 res.activityInfo = ai; 9865 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 9866 res.filter = info; 9867 } 9868 if (info != null) { 9869 res.handleAllWebDataURI = info.handleAllWebDataURI(); 9870 } 9871 res.priority = info.getPriority(); 9872 res.preferredOrder = activity.owner.mPreferredOrder; 9873 //System.out.println("Result: " + res.activityInfo.className + 9874 // " = " + res.priority); 9875 res.match = match; 9876 res.isDefault = info.hasDefault; 9877 res.labelRes = info.labelRes; 9878 res.nonLocalizedLabel = info.nonLocalizedLabel; 9879 if (userNeedsBadging(userId)) { 9880 res.noResourceId = true; 9881 } else { 9882 res.icon = info.icon; 9883 } 9884 res.iconResourceId = info.icon; 9885 res.system = res.activityInfo.applicationInfo.isSystemApp(); 9886 return res; 9887 } 9888 9889 @Override 9890 protected void sortResults(List<ResolveInfo> results) { 9891 Collections.sort(results, mResolvePrioritySorter); 9892 } 9893 9894 @Override 9895 protected void dumpFilter(PrintWriter out, String prefix, 9896 PackageParser.ActivityIntentInfo filter) { 9897 out.print(prefix); out.print( 9898 Integer.toHexString(System.identityHashCode(filter.activity))); 9899 out.print(' '); 9900 filter.activity.printComponentShortName(out); 9901 out.print(" filter "); 9902 out.println(Integer.toHexString(System.identityHashCode(filter))); 9903 } 9904 9905 @Override 9906 protected Object filterToLabel(PackageParser.ActivityIntentInfo filter) { 9907 return filter.activity; 9908 } 9909 9910 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 9911 PackageParser.Activity activity = (PackageParser.Activity)label; 9912 out.print(prefix); out.print( 9913 Integer.toHexString(System.identityHashCode(activity))); 9914 out.print(' '); 9915 activity.printComponentShortName(out); 9916 if (count > 1) { 9917 out.print(" ("); out.print(count); out.print(" filters)"); 9918 } 9919 out.println(); 9920 } 9921 9922// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 9923// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 9924// final List<ResolveInfo> retList = Lists.newArrayList(); 9925// while (i.hasNext()) { 9926// final ResolveInfo resolveInfo = i.next(); 9927// if (isEnabledLP(resolveInfo.activityInfo)) { 9928// retList.add(resolveInfo); 9929// } 9930// } 9931// return retList; 9932// } 9933 9934 // Keys are String (activity class name), values are Activity. 9935 private final ArrayMap<ComponentName, PackageParser.Activity> mActivities 9936 = new ArrayMap<ComponentName, PackageParser.Activity>(); 9937 private int mFlags; 9938 } 9939 9940 private final class ServiceIntentResolver 9941 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 9942 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 9943 boolean defaultOnly, int userId) { 9944 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 9945 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 9946 } 9947 9948 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 9949 int userId) { 9950 if (!sUserManager.exists(userId)) return null; 9951 mFlags = flags; 9952 return super.queryIntent(intent, resolvedType, 9953 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 9954 } 9955 9956 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 9957 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 9958 if (!sUserManager.exists(userId)) return null; 9959 if (packageServices == null) { 9960 return null; 9961 } 9962 mFlags = flags; 9963 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 9964 final int N = packageServices.size(); 9965 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 9966 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 9967 9968 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 9969 for (int i = 0; i < N; ++i) { 9970 intentFilters = packageServices.get(i).intents; 9971 if (intentFilters != null && intentFilters.size() > 0) { 9972 PackageParser.ServiceIntentInfo[] array = 9973 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 9974 intentFilters.toArray(array); 9975 listCut.add(array); 9976 } 9977 } 9978 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 9979 } 9980 9981 public final void addService(PackageParser.Service s) { 9982 mServices.put(s.getComponentName(), s); 9983 if (DEBUG_SHOW_INFO) { 9984 Log.v(TAG, " " 9985 + (s.info.nonLocalizedLabel != null 9986 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 9987 Log.v(TAG, " Class=" + s.info.name); 9988 } 9989 final int NI = s.intents.size(); 9990 int j; 9991 for (j=0; j<NI; j++) { 9992 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 9993 if (DEBUG_SHOW_INFO) { 9994 Log.v(TAG, " IntentFilter:"); 9995 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 9996 } 9997 if (!intent.debugCheck()) { 9998 Log.w(TAG, "==> For Service " + s.info.name); 9999 } 10000 addFilter(intent); 10001 } 10002 } 10003 10004 public final void removeService(PackageParser.Service s) { 10005 mServices.remove(s.getComponentName()); 10006 if (DEBUG_SHOW_INFO) { 10007 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 10008 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 10009 Log.v(TAG, " Class=" + s.info.name); 10010 } 10011 final int NI = s.intents.size(); 10012 int j; 10013 for (j=0; j<NI; j++) { 10014 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 10015 if (DEBUG_SHOW_INFO) { 10016 Log.v(TAG, " IntentFilter:"); 10017 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10018 } 10019 removeFilter(intent); 10020 } 10021 } 10022 10023 @Override 10024 protected boolean allowFilterResult( 10025 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 10026 ServiceInfo filterSi = filter.service.info; 10027 for (int i=dest.size()-1; i>=0; i--) { 10028 ServiceInfo destAi = dest.get(i).serviceInfo; 10029 if (destAi.name == filterSi.name 10030 && destAi.packageName == filterSi.packageName) { 10031 return false; 10032 } 10033 } 10034 return true; 10035 } 10036 10037 @Override 10038 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 10039 return new PackageParser.ServiceIntentInfo[size]; 10040 } 10041 10042 @Override 10043 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 10044 if (!sUserManager.exists(userId)) return true; 10045 PackageParser.Package p = filter.service.owner; 10046 if (p != null) { 10047 PackageSetting ps = (PackageSetting)p.mExtras; 10048 if (ps != null) { 10049 // System apps are never considered stopped for purposes of 10050 // filtering, because there may be no way for the user to 10051 // actually re-launch them. 10052 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 10053 && ps.getStopped(userId); 10054 } 10055 } 10056 return false; 10057 } 10058 10059 @Override 10060 protected boolean isPackageForFilter(String packageName, 10061 PackageParser.ServiceIntentInfo info) { 10062 return packageName.equals(info.service.owner.packageName); 10063 } 10064 10065 @Override 10066 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 10067 int match, int userId) { 10068 if (!sUserManager.exists(userId)) return null; 10069 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 10070 if (!mSettings.isEnabledAndMatchLPr(info.service.info, mFlags, userId)) { 10071 return null; 10072 } 10073 final PackageParser.Service service = info.service; 10074 PackageSetting ps = (PackageSetting) service.owner.mExtras; 10075 if (ps == null) { 10076 return null; 10077 } 10078 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 10079 ps.readUserState(userId), userId); 10080 if (si == null) { 10081 return null; 10082 } 10083 final ResolveInfo res = new ResolveInfo(); 10084 res.serviceInfo = si; 10085 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 10086 res.filter = filter; 10087 } 10088 res.priority = info.getPriority(); 10089 res.preferredOrder = service.owner.mPreferredOrder; 10090 res.match = match; 10091 res.isDefault = info.hasDefault; 10092 res.labelRes = info.labelRes; 10093 res.nonLocalizedLabel = info.nonLocalizedLabel; 10094 res.icon = info.icon; 10095 res.system = res.serviceInfo.applicationInfo.isSystemApp(); 10096 return res; 10097 } 10098 10099 @Override 10100 protected void sortResults(List<ResolveInfo> results) { 10101 Collections.sort(results, mResolvePrioritySorter); 10102 } 10103 10104 @Override 10105 protected void dumpFilter(PrintWriter out, String prefix, 10106 PackageParser.ServiceIntentInfo filter) { 10107 out.print(prefix); out.print( 10108 Integer.toHexString(System.identityHashCode(filter.service))); 10109 out.print(' '); 10110 filter.service.printComponentShortName(out); 10111 out.print(" filter "); 10112 out.println(Integer.toHexString(System.identityHashCode(filter))); 10113 } 10114 10115 @Override 10116 protected Object filterToLabel(PackageParser.ServiceIntentInfo filter) { 10117 return filter.service; 10118 } 10119 10120 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 10121 PackageParser.Service service = (PackageParser.Service)label; 10122 out.print(prefix); out.print( 10123 Integer.toHexString(System.identityHashCode(service))); 10124 out.print(' '); 10125 service.printComponentShortName(out); 10126 if (count > 1) { 10127 out.print(" ("); out.print(count); out.print(" filters)"); 10128 } 10129 out.println(); 10130 } 10131 10132// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 10133// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 10134// final List<ResolveInfo> retList = Lists.newArrayList(); 10135// while (i.hasNext()) { 10136// final ResolveInfo resolveInfo = (ResolveInfo) i; 10137// if (isEnabledLP(resolveInfo.serviceInfo)) { 10138// retList.add(resolveInfo); 10139// } 10140// } 10141// return retList; 10142// } 10143 10144 // Keys are String (activity class name), values are Activity. 10145 private final ArrayMap<ComponentName, PackageParser.Service> mServices 10146 = new ArrayMap<ComponentName, PackageParser.Service>(); 10147 private int mFlags; 10148 }; 10149 10150 private final class ProviderIntentResolver 10151 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 10152 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 10153 boolean defaultOnly, int userId) { 10154 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 10155 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 10156 } 10157 10158 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 10159 int userId) { 10160 if (!sUserManager.exists(userId)) 10161 return null; 10162 mFlags = flags; 10163 return super.queryIntent(intent, resolvedType, 10164 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 10165 } 10166 10167 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 10168 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 10169 if (!sUserManager.exists(userId)) 10170 return null; 10171 if (packageProviders == null) { 10172 return null; 10173 } 10174 mFlags = flags; 10175 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 10176 final int N = packageProviders.size(); 10177 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 10178 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 10179 10180 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 10181 for (int i = 0; i < N; ++i) { 10182 intentFilters = packageProviders.get(i).intents; 10183 if (intentFilters != null && intentFilters.size() > 0) { 10184 PackageParser.ProviderIntentInfo[] array = 10185 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 10186 intentFilters.toArray(array); 10187 listCut.add(array); 10188 } 10189 } 10190 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 10191 } 10192 10193 public final void addProvider(PackageParser.Provider p) { 10194 if (mProviders.containsKey(p.getComponentName())) { 10195 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 10196 return; 10197 } 10198 10199 mProviders.put(p.getComponentName(), p); 10200 if (DEBUG_SHOW_INFO) { 10201 Log.v(TAG, " " 10202 + (p.info.nonLocalizedLabel != null 10203 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 10204 Log.v(TAG, " Class=" + p.info.name); 10205 } 10206 final int NI = p.intents.size(); 10207 int j; 10208 for (j = 0; j < NI; j++) { 10209 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 10210 if (DEBUG_SHOW_INFO) { 10211 Log.v(TAG, " IntentFilter:"); 10212 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10213 } 10214 if (!intent.debugCheck()) { 10215 Log.w(TAG, "==> For Provider " + p.info.name); 10216 } 10217 addFilter(intent); 10218 } 10219 } 10220 10221 public final void removeProvider(PackageParser.Provider p) { 10222 mProviders.remove(p.getComponentName()); 10223 if (DEBUG_SHOW_INFO) { 10224 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 10225 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 10226 Log.v(TAG, " Class=" + p.info.name); 10227 } 10228 final int NI = p.intents.size(); 10229 int j; 10230 for (j = 0; j < NI; j++) { 10231 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 10232 if (DEBUG_SHOW_INFO) { 10233 Log.v(TAG, " IntentFilter:"); 10234 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10235 } 10236 removeFilter(intent); 10237 } 10238 } 10239 10240 @Override 10241 protected boolean allowFilterResult( 10242 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 10243 ProviderInfo filterPi = filter.provider.info; 10244 for (int i = dest.size() - 1; i >= 0; i--) { 10245 ProviderInfo destPi = dest.get(i).providerInfo; 10246 if (destPi.name == filterPi.name 10247 && destPi.packageName == filterPi.packageName) { 10248 return false; 10249 } 10250 } 10251 return true; 10252 } 10253 10254 @Override 10255 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 10256 return new PackageParser.ProviderIntentInfo[size]; 10257 } 10258 10259 @Override 10260 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 10261 if (!sUserManager.exists(userId)) 10262 return true; 10263 PackageParser.Package p = filter.provider.owner; 10264 if (p != null) { 10265 PackageSetting ps = (PackageSetting) p.mExtras; 10266 if (ps != null) { 10267 // System apps are never considered stopped for purposes of 10268 // filtering, because there may be no way for the user to 10269 // actually re-launch them. 10270 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 10271 && ps.getStopped(userId); 10272 } 10273 } 10274 return false; 10275 } 10276 10277 @Override 10278 protected boolean isPackageForFilter(String packageName, 10279 PackageParser.ProviderIntentInfo info) { 10280 return packageName.equals(info.provider.owner.packageName); 10281 } 10282 10283 @Override 10284 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 10285 int match, int userId) { 10286 if (!sUserManager.exists(userId)) 10287 return null; 10288 final PackageParser.ProviderIntentInfo info = filter; 10289 if (!mSettings.isEnabledAndMatchLPr(info.provider.info, mFlags, userId)) { 10290 return null; 10291 } 10292 final PackageParser.Provider provider = info.provider; 10293 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 10294 if (ps == null) { 10295 return null; 10296 } 10297 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 10298 ps.readUserState(userId), userId); 10299 if (pi == null) { 10300 return null; 10301 } 10302 final ResolveInfo res = new ResolveInfo(); 10303 res.providerInfo = pi; 10304 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 10305 res.filter = filter; 10306 } 10307 res.priority = info.getPriority(); 10308 res.preferredOrder = provider.owner.mPreferredOrder; 10309 res.match = match; 10310 res.isDefault = info.hasDefault; 10311 res.labelRes = info.labelRes; 10312 res.nonLocalizedLabel = info.nonLocalizedLabel; 10313 res.icon = info.icon; 10314 res.system = res.providerInfo.applicationInfo.isSystemApp(); 10315 return res; 10316 } 10317 10318 @Override 10319 protected void sortResults(List<ResolveInfo> results) { 10320 Collections.sort(results, mResolvePrioritySorter); 10321 } 10322 10323 @Override 10324 protected void dumpFilter(PrintWriter out, String prefix, 10325 PackageParser.ProviderIntentInfo filter) { 10326 out.print(prefix); 10327 out.print( 10328 Integer.toHexString(System.identityHashCode(filter.provider))); 10329 out.print(' '); 10330 filter.provider.printComponentShortName(out); 10331 out.print(" filter "); 10332 out.println(Integer.toHexString(System.identityHashCode(filter))); 10333 } 10334 10335 @Override 10336 protected Object filterToLabel(PackageParser.ProviderIntentInfo filter) { 10337 return filter.provider; 10338 } 10339 10340 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 10341 PackageParser.Provider provider = (PackageParser.Provider)label; 10342 out.print(prefix); out.print( 10343 Integer.toHexString(System.identityHashCode(provider))); 10344 out.print(' '); 10345 provider.printComponentShortName(out); 10346 if (count > 1) { 10347 out.print(" ("); out.print(count); out.print(" filters)"); 10348 } 10349 out.println(); 10350 } 10351 10352 private final ArrayMap<ComponentName, PackageParser.Provider> mProviders 10353 = new ArrayMap<ComponentName, PackageParser.Provider>(); 10354 private int mFlags; 10355 } 10356 10357 private static final class EphemeralIntentResolver 10358 extends IntentResolver<EphemeralResolveIntentInfo, EphemeralResolveInfo> { 10359 @Override 10360 protected EphemeralResolveIntentInfo[] newArray(int size) { 10361 return new EphemeralResolveIntentInfo[size]; 10362 } 10363 10364 @Override 10365 protected boolean isPackageForFilter(String packageName, EphemeralResolveIntentInfo info) { 10366 return true; 10367 } 10368 10369 @Override 10370 protected EphemeralResolveInfo newResult(EphemeralResolveIntentInfo info, int match, 10371 int userId) { 10372 if (!sUserManager.exists(userId)) { 10373 return null; 10374 } 10375 return info.getEphemeralResolveInfo(); 10376 } 10377 } 10378 10379 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 10380 new Comparator<ResolveInfo>() { 10381 public int compare(ResolveInfo r1, ResolveInfo r2) { 10382 int v1 = r1.priority; 10383 int v2 = r2.priority; 10384 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 10385 if (v1 != v2) { 10386 return (v1 > v2) ? -1 : 1; 10387 } 10388 v1 = r1.preferredOrder; 10389 v2 = r2.preferredOrder; 10390 if (v1 != v2) { 10391 return (v1 > v2) ? -1 : 1; 10392 } 10393 if (r1.isDefault != r2.isDefault) { 10394 return r1.isDefault ? -1 : 1; 10395 } 10396 v1 = r1.match; 10397 v2 = r2.match; 10398 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 10399 if (v1 != v2) { 10400 return (v1 > v2) ? -1 : 1; 10401 } 10402 if (r1.system != r2.system) { 10403 return r1.system ? -1 : 1; 10404 } 10405 if (r1.activityInfo != null) { 10406 return r1.activityInfo.packageName.compareTo(r2.activityInfo.packageName); 10407 } 10408 if (r1.serviceInfo != null) { 10409 return r1.serviceInfo.packageName.compareTo(r2.serviceInfo.packageName); 10410 } 10411 if (r1.providerInfo != null) { 10412 return r1.providerInfo.packageName.compareTo(r2.providerInfo.packageName); 10413 } 10414 return 0; 10415 } 10416 }; 10417 10418 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 10419 new Comparator<ProviderInfo>() { 10420 public int compare(ProviderInfo p1, ProviderInfo p2) { 10421 final int v1 = p1.initOrder; 10422 final int v2 = p2.initOrder; 10423 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 10424 } 10425 }; 10426 10427 final void sendPackageBroadcast(final String action, final String pkg, final Bundle extras, 10428 final int flags, final String targetPkg, final IIntentReceiver finishedReceiver, 10429 final int[] userIds) { 10430 mHandler.post(new Runnable() { 10431 @Override 10432 public void run() { 10433 try { 10434 final IActivityManager am = ActivityManagerNative.getDefault(); 10435 if (am == null) return; 10436 final int[] resolvedUserIds; 10437 if (userIds == null) { 10438 resolvedUserIds = am.getRunningUserIds(); 10439 } else { 10440 resolvedUserIds = userIds; 10441 } 10442 for (int id : resolvedUserIds) { 10443 final Intent intent = new Intent(action, 10444 pkg != null ? Uri.fromParts("package", pkg, null) : null); 10445 if (extras != null) { 10446 intent.putExtras(extras); 10447 } 10448 if (targetPkg != null) { 10449 intent.setPackage(targetPkg); 10450 } 10451 // Modify the UID when posting to other users 10452 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 10453 if (uid > 0 && UserHandle.getUserId(uid) != id) { 10454 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 10455 intent.putExtra(Intent.EXTRA_UID, uid); 10456 } 10457 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 10458 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT | flags); 10459 if (DEBUG_BROADCASTS) { 10460 RuntimeException here = new RuntimeException("here"); 10461 here.fillInStackTrace(); 10462 Slog.d(TAG, "Sending to user " + id + ": " 10463 + intent.toShortString(false, true, false, false) 10464 + " " + intent.getExtras(), here); 10465 } 10466 am.broadcastIntent(null, intent, null, finishedReceiver, 10467 0, null, null, null, android.app.AppOpsManager.OP_NONE, 10468 null, finishedReceiver != null, false, id); 10469 } 10470 } catch (RemoteException ex) { 10471 } 10472 } 10473 }); 10474 } 10475 10476 /** 10477 * Check if the external storage media is available. This is true if there 10478 * is a mounted external storage medium or if the external storage is 10479 * emulated. 10480 */ 10481 private boolean isExternalMediaAvailable() { 10482 return mMediaMounted || Environment.isExternalStorageEmulated(); 10483 } 10484 10485 @Override 10486 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 10487 // writer 10488 synchronized (mPackages) { 10489 if (!isExternalMediaAvailable()) { 10490 // If the external storage is no longer mounted at this point, 10491 // the caller may not have been able to delete all of this 10492 // packages files and can not delete any more. Bail. 10493 return null; 10494 } 10495 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 10496 if (lastPackage != null) { 10497 pkgs.remove(lastPackage); 10498 } 10499 if (pkgs.size() > 0) { 10500 return pkgs.get(0); 10501 } 10502 } 10503 return null; 10504 } 10505 10506 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 10507 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 10508 userId, andCode ? 1 : 0, packageName); 10509 if (mSystemReady) { 10510 msg.sendToTarget(); 10511 } else { 10512 if (mPostSystemReadyMessages == null) { 10513 mPostSystemReadyMessages = new ArrayList<>(); 10514 } 10515 mPostSystemReadyMessages.add(msg); 10516 } 10517 } 10518 10519 void startCleaningPackages() { 10520 // reader 10521 if (!isExternalMediaAvailable()) { 10522 return; 10523 } 10524 synchronized (mPackages) { 10525 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 10526 return; 10527 } 10528 } 10529 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 10530 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 10531 IActivityManager am = ActivityManagerNative.getDefault(); 10532 if (am != null) { 10533 try { 10534 am.startService(null, intent, null, mContext.getOpPackageName(), 10535 UserHandle.USER_SYSTEM); 10536 } catch (RemoteException e) { 10537 } 10538 } 10539 } 10540 10541 @Override 10542 public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer, 10543 int installFlags, String installerPackageName, int userId) { 10544 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 10545 10546 final int callingUid = Binder.getCallingUid(); 10547 enforceCrossUserPermission(callingUid, userId, 10548 true /* requireFullPermission */, true /* checkShell */, "installPackageAsUser"); 10549 10550 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 10551 try { 10552 if (observer != null) { 10553 observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null); 10554 } 10555 } catch (RemoteException re) { 10556 } 10557 return; 10558 } 10559 10560 if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) { 10561 installFlags |= PackageManager.INSTALL_FROM_ADB; 10562 10563 } else { 10564 // Caller holds INSTALL_PACKAGES permission, so we're less strict 10565 // about installerPackageName. 10566 10567 installFlags &= ~PackageManager.INSTALL_FROM_ADB; 10568 installFlags &= ~PackageManager.INSTALL_ALL_USERS; 10569 } 10570 10571 UserHandle user; 10572 if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) { 10573 user = UserHandle.ALL; 10574 } else { 10575 user = new UserHandle(userId); 10576 } 10577 10578 // Only system components can circumvent runtime permissions when installing. 10579 if ((installFlags & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0 10580 && mContext.checkCallingOrSelfPermission(Manifest.permission 10581 .INSTALL_GRANT_RUNTIME_PERMISSIONS) == PackageManager.PERMISSION_DENIED) { 10582 throw new SecurityException("You need the " 10583 + "android.permission.INSTALL_GRANT_RUNTIME_PERMISSIONS permission " 10584 + "to use the PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS flag"); 10585 } 10586 10587 final File originFile = new File(originPath); 10588 final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile); 10589 10590 final Message msg = mHandler.obtainMessage(INIT_COPY); 10591 final VerificationInfo verificationInfo = new VerificationInfo( 10592 null /*originatingUri*/, null /*referrer*/, -1 /*originatingUid*/, callingUid); 10593 final InstallParams params = new InstallParams(origin, null /*moveInfo*/, observer, 10594 installFlags, installerPackageName, null /*volumeUuid*/, verificationInfo, user, 10595 null /*packageAbiOverride*/, null /*grantedPermissions*/); 10596 params.setTraceMethod("installAsUser").setTraceCookie(System.identityHashCode(params)); 10597 msg.obj = params; 10598 10599 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installAsUser", 10600 System.identityHashCode(msg.obj)); 10601 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 10602 System.identityHashCode(msg.obj)); 10603 10604 mHandler.sendMessage(msg); 10605 } 10606 10607 void installStage(String packageName, File stagedDir, String stagedCid, 10608 IPackageInstallObserver2 observer, PackageInstaller.SessionParams sessionParams, 10609 String installerPackageName, int installerUid, UserHandle user) { 10610 if (DEBUG_EPHEMERAL) { 10611 if ((sessionParams.installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 10612 Slog.d(TAG, "Ephemeral install of " + packageName); 10613 } 10614 } 10615 final VerificationInfo verificationInfo = new VerificationInfo( 10616 sessionParams.originatingUri, sessionParams.referrerUri, 10617 sessionParams.originatingUid, installerUid); 10618 10619 final OriginInfo origin; 10620 if (stagedDir != null) { 10621 origin = OriginInfo.fromStagedFile(stagedDir); 10622 } else { 10623 origin = OriginInfo.fromStagedContainer(stagedCid); 10624 } 10625 10626 final Message msg = mHandler.obtainMessage(INIT_COPY); 10627 final InstallParams params = new InstallParams(origin, null, observer, 10628 sessionParams.installFlags, installerPackageName, sessionParams.volumeUuid, 10629 verificationInfo, user, sessionParams.abiOverride, 10630 sessionParams.grantedRuntimePermissions); 10631 params.setTraceMethod("installStage").setTraceCookie(System.identityHashCode(params)); 10632 msg.obj = params; 10633 10634 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installStage", 10635 System.identityHashCode(msg.obj)); 10636 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 10637 System.identityHashCode(msg.obj)); 10638 10639 mHandler.sendMessage(msg); 10640 } 10641 10642 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, 10643 int userId) { 10644 final boolean isSystem = isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 10645 sendPackageAddedForUser(packageName, isSystem, pkgSetting.appId, userId); 10646 } 10647 10648 private void sendPackageAddedForUser(String packageName, boolean isSystem, 10649 int appId, int userId) { 10650 Bundle extras = new Bundle(1); 10651 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, appId)); 10652 10653 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 10654 packageName, extras, 0, null, null, new int[] {userId}); 10655 try { 10656 IActivityManager am = ActivityManagerNative.getDefault(); 10657 if (isSystem && am.isUserRunning(userId, 0)) { 10658 // The just-installed/enabled app is bundled on the system, so presumed 10659 // to be able to run automatically without needing an explicit launch. 10660 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 10661 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 10662 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 10663 .setPackage(packageName); 10664 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 10665 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 10666 } 10667 } catch (RemoteException e) { 10668 // shouldn't happen 10669 Slog.w(TAG, "Unable to bootstrap installed package", e); 10670 } 10671 } 10672 10673 @Override 10674 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 10675 int userId) { 10676 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 10677 PackageSetting pkgSetting; 10678 final int uid = Binder.getCallingUid(); 10679 enforceCrossUserPermission(uid, userId, 10680 true /* requireFullPermission */, true /* checkShell */, 10681 "setApplicationHiddenSetting for user " + userId); 10682 10683 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 10684 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 10685 return false; 10686 } 10687 10688 long callingId = Binder.clearCallingIdentity(); 10689 try { 10690 boolean sendAdded = false; 10691 boolean sendRemoved = false; 10692 // writer 10693 synchronized (mPackages) { 10694 pkgSetting = mSettings.mPackages.get(packageName); 10695 if (pkgSetting == null) { 10696 return false; 10697 } 10698 if (pkgSetting.getHidden(userId) != hidden) { 10699 pkgSetting.setHidden(hidden, userId); 10700 mSettings.writePackageRestrictionsLPr(userId); 10701 if (hidden) { 10702 sendRemoved = true; 10703 } else { 10704 sendAdded = true; 10705 } 10706 } 10707 } 10708 if (sendAdded) { 10709 sendPackageAddedForUser(packageName, pkgSetting, userId); 10710 return true; 10711 } 10712 if (sendRemoved) { 10713 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 10714 "hiding pkg"); 10715 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 10716 return true; 10717 } 10718 } finally { 10719 Binder.restoreCallingIdentity(callingId); 10720 } 10721 return false; 10722 } 10723 10724 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 10725 int userId) { 10726 final PackageRemovedInfo info = new PackageRemovedInfo(); 10727 info.removedPackage = packageName; 10728 info.removedUsers = new int[] {userId}; 10729 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 10730 info.sendPackageRemovedBroadcasts(true /*killApp*/); 10731 } 10732 10733 private void sendPackagesSuspendedForUser(String[] pkgList, int userId, boolean suspended) { 10734 if (pkgList.length > 0) { 10735 Bundle extras = new Bundle(1); 10736 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 10737 10738 sendPackageBroadcast( 10739 suspended ? Intent.ACTION_PACKAGES_SUSPENDED 10740 : Intent.ACTION_PACKAGES_UNSUSPENDED, 10741 null, extras, Intent.FLAG_RECEIVER_REGISTERED_ONLY, null, null, 10742 new int[] {userId}); 10743 } 10744 } 10745 10746 /** 10747 * Returns true if application is not found or there was an error. Otherwise it returns 10748 * the hidden state of the package for the given user. 10749 */ 10750 @Override 10751 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 10752 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 10753 enforceCrossUserPermission(Binder.getCallingUid(), userId, 10754 true /* requireFullPermission */, false /* checkShell */, 10755 "getApplicationHidden for user " + userId); 10756 PackageSetting pkgSetting; 10757 long callingId = Binder.clearCallingIdentity(); 10758 try { 10759 // writer 10760 synchronized (mPackages) { 10761 pkgSetting = mSettings.mPackages.get(packageName); 10762 if (pkgSetting == null) { 10763 return true; 10764 } 10765 return pkgSetting.getHidden(userId); 10766 } 10767 } finally { 10768 Binder.restoreCallingIdentity(callingId); 10769 } 10770 } 10771 10772 /** 10773 * @hide 10774 */ 10775 @Override 10776 public int installExistingPackageAsUser(String packageName, int userId) { 10777 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 10778 null); 10779 PackageSetting pkgSetting; 10780 final int uid = Binder.getCallingUid(); 10781 enforceCrossUserPermission(uid, userId, 10782 true /* requireFullPermission */, true /* checkShell */, 10783 "installExistingPackage for user " + userId); 10784 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 10785 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 10786 } 10787 10788 long callingId = Binder.clearCallingIdentity(); 10789 try { 10790 boolean installed = false; 10791 10792 // writer 10793 synchronized (mPackages) { 10794 pkgSetting = mSettings.mPackages.get(packageName); 10795 if (pkgSetting == null) { 10796 return PackageManager.INSTALL_FAILED_INVALID_URI; 10797 } 10798 if (!pkgSetting.getInstalled(userId)) { 10799 pkgSetting.setInstalled(true, userId); 10800 pkgSetting.setHidden(false, userId); 10801 mSettings.writePackageRestrictionsLPr(userId); 10802 installed = true; 10803 } 10804 } 10805 10806 if (installed) { 10807 if (pkgSetting.pkg != null) { 10808 prepareAppDataAfterInstall(pkgSetting.pkg); 10809 } 10810 sendPackageAddedForUser(packageName, pkgSetting, userId); 10811 } 10812 } finally { 10813 Binder.restoreCallingIdentity(callingId); 10814 } 10815 10816 return PackageManager.INSTALL_SUCCEEDED; 10817 } 10818 10819 boolean isUserRestricted(int userId, String restrictionKey) { 10820 Bundle restrictions = sUserManager.getUserRestrictions(userId); 10821 if (restrictions.getBoolean(restrictionKey, false)) { 10822 Log.w(TAG, "User is restricted: " + restrictionKey); 10823 return true; 10824 } 10825 return false; 10826 } 10827 10828 @Override 10829 public String[] setPackagesSuspendedAsUser(String[] packageNames, boolean suspended, 10830 int userId) { 10831 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 10832 enforceCrossUserPermission(Binder.getCallingUid(), userId, 10833 true /* requireFullPermission */, true /* checkShell */, 10834 "setPackagesSuspended for user " + userId); 10835 10836 if (ArrayUtils.isEmpty(packageNames)) { 10837 return packageNames; 10838 } 10839 10840 // List of package names for whom the suspended state has changed. 10841 List<String> changedPackages = new ArrayList<>(packageNames.length); 10842 // List of package names for whom the suspended state is not set as requested in this 10843 // method. 10844 List<String> unactionedPackages = new ArrayList<>(packageNames.length); 10845 for (int i = 0; i < packageNames.length; i++) { 10846 String packageName = packageNames[i]; 10847 long callingId = Binder.clearCallingIdentity(); 10848 try { 10849 boolean changed = false; 10850 final int appId; 10851 synchronized (mPackages) { 10852 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 10853 if (pkgSetting == null) { 10854 Slog.w(TAG, "Could not find package setting for package \"" + packageName 10855 + "\". Skipping suspending/un-suspending."); 10856 unactionedPackages.add(packageName); 10857 continue; 10858 } 10859 appId = pkgSetting.appId; 10860 if (pkgSetting.getSuspended(userId) != suspended) { 10861 if (!canSuspendPackageForUserLocked(packageName, userId)) { 10862 unactionedPackages.add(packageName); 10863 continue; 10864 } 10865 pkgSetting.setSuspended(suspended, userId); 10866 mSettings.writePackageRestrictionsLPr(userId); 10867 changed = true; 10868 changedPackages.add(packageName); 10869 } 10870 } 10871 10872 if (changed && suspended) { 10873 killApplication(packageName, UserHandle.getUid(userId, appId), 10874 "suspending package"); 10875 } 10876 } finally { 10877 Binder.restoreCallingIdentity(callingId); 10878 } 10879 } 10880 10881 if (!changedPackages.isEmpty()) { 10882 sendPackagesSuspendedForUser(changedPackages.toArray( 10883 new String[changedPackages.size()]), userId, suspended); 10884 } 10885 10886 return unactionedPackages.toArray(new String[unactionedPackages.size()]); 10887 } 10888 10889 @Override 10890 public boolean isPackageSuspendedForUser(String packageName, int userId) { 10891 enforceCrossUserPermission(Binder.getCallingUid(), userId, 10892 true /* requireFullPermission */, false /* checkShell */, 10893 "isPackageSuspendedForUser for user " + userId); 10894 synchronized (mPackages) { 10895 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 10896 if (pkgSetting == null) { 10897 throw new IllegalArgumentException("Unknown target package: " + packageName); 10898 } 10899 return pkgSetting.getSuspended(userId); 10900 } 10901 } 10902 10903 /** 10904 * TODO: cache and disallow blocking the active dialer. 10905 * 10906 * @see also DefaultPermissionGrantPolicy#grantDefaultSystemHandlerPermissions 10907 */ 10908 private boolean canSuspendPackageForUserLocked(String packageName, int userId) { 10909 if (isPackageDeviceAdmin(packageName, userId)) { 10910 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 10911 + "\": has an active device admin"); 10912 return false; 10913 } 10914 10915 String activeLauncherPackageName = getActiveLauncherPackageName(userId); 10916 if (packageName.equals(activeLauncherPackageName)) { 10917 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 10918 + "\": contains the active launcher"); 10919 return false; 10920 } 10921 10922 if (packageName.equals(mRequiredInstallerPackage)) { 10923 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 10924 + "\": required for package installation"); 10925 return false; 10926 } 10927 10928 if (packageName.equals(mRequiredVerifierPackage)) { 10929 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 10930 + "\": required for package verification"); 10931 return false; 10932 } 10933 10934 final PackageParser.Package pkg = mPackages.get(packageName); 10935 if (pkg != null && isPrivilegedApp(pkg)) { 10936 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 10937 + "\": is a privileged app"); 10938 return false; 10939 } 10940 10941 return true; 10942 } 10943 10944 private String getActiveLauncherPackageName(int userId) { 10945 Intent intent = new Intent(Intent.ACTION_MAIN); 10946 intent.addCategory(Intent.CATEGORY_HOME); 10947 ResolveInfo resolveInfo = resolveIntent( 10948 intent, 10949 intent.resolveTypeIfNeeded(mContext.getContentResolver()), 10950 PackageManager.MATCH_DEFAULT_ONLY, 10951 userId); 10952 10953 return resolveInfo == null ? null : resolveInfo.activityInfo.packageName; 10954 } 10955 10956 @Override 10957 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 10958 mContext.enforceCallingOrSelfPermission( 10959 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 10960 "Only package verification agents can verify applications"); 10961 10962 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 10963 final PackageVerificationResponse response = new PackageVerificationResponse( 10964 verificationCode, Binder.getCallingUid()); 10965 msg.arg1 = id; 10966 msg.obj = response; 10967 mHandler.sendMessage(msg); 10968 } 10969 10970 @Override 10971 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 10972 long millisecondsToDelay) { 10973 mContext.enforceCallingOrSelfPermission( 10974 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 10975 "Only package verification agents can extend verification timeouts"); 10976 10977 final PackageVerificationState state = mPendingVerification.get(id); 10978 final PackageVerificationResponse response = new PackageVerificationResponse( 10979 verificationCodeAtTimeout, Binder.getCallingUid()); 10980 10981 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 10982 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 10983 } 10984 if (millisecondsToDelay < 0) { 10985 millisecondsToDelay = 0; 10986 } 10987 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 10988 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 10989 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 10990 } 10991 10992 if ((state != null) && !state.timeoutExtended()) { 10993 state.extendTimeout(); 10994 10995 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 10996 msg.arg1 = id; 10997 msg.obj = response; 10998 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 10999 } 11000 } 11001 11002 private void broadcastPackageVerified(int verificationId, Uri packageUri, 11003 int verificationCode, UserHandle user) { 11004 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 11005 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 11006 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 11007 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 11008 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 11009 11010 mContext.sendBroadcastAsUser(intent, user, 11011 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 11012 } 11013 11014 private ComponentName matchComponentForVerifier(String packageName, 11015 List<ResolveInfo> receivers) { 11016 ActivityInfo targetReceiver = null; 11017 11018 final int NR = receivers.size(); 11019 for (int i = 0; i < NR; i++) { 11020 final ResolveInfo info = receivers.get(i); 11021 if (info.activityInfo == null) { 11022 continue; 11023 } 11024 11025 if (packageName.equals(info.activityInfo.packageName)) { 11026 targetReceiver = info.activityInfo; 11027 break; 11028 } 11029 } 11030 11031 if (targetReceiver == null) { 11032 return null; 11033 } 11034 11035 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 11036 } 11037 11038 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 11039 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 11040 if (pkgInfo.verifiers.length == 0) { 11041 return null; 11042 } 11043 11044 final int N = pkgInfo.verifiers.length; 11045 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 11046 for (int i = 0; i < N; i++) { 11047 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 11048 11049 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 11050 receivers); 11051 if (comp == null) { 11052 continue; 11053 } 11054 11055 final int verifierUid = getUidForVerifier(verifierInfo); 11056 if (verifierUid == -1) { 11057 continue; 11058 } 11059 11060 if (DEBUG_VERIFY) { 11061 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 11062 + " with the correct signature"); 11063 } 11064 sufficientVerifiers.add(comp); 11065 verificationState.addSufficientVerifier(verifierUid); 11066 } 11067 11068 return sufficientVerifiers; 11069 } 11070 11071 private int getUidForVerifier(VerifierInfo verifierInfo) { 11072 synchronized (mPackages) { 11073 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 11074 if (pkg == null) { 11075 return -1; 11076 } else if (pkg.mSignatures.length != 1) { 11077 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 11078 + " has more than one signature; ignoring"); 11079 return -1; 11080 } 11081 11082 /* 11083 * If the public key of the package's signature does not match 11084 * our expected public key, then this is a different package and 11085 * we should skip. 11086 */ 11087 11088 final byte[] expectedPublicKey; 11089 try { 11090 final Signature verifierSig = pkg.mSignatures[0]; 11091 final PublicKey publicKey = verifierSig.getPublicKey(); 11092 expectedPublicKey = publicKey.getEncoded(); 11093 } catch (CertificateException e) { 11094 return -1; 11095 } 11096 11097 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 11098 11099 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 11100 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 11101 + " does not have the expected public key; ignoring"); 11102 return -1; 11103 } 11104 11105 return pkg.applicationInfo.uid; 11106 } 11107 } 11108 11109 @Override 11110 public void finishPackageInstall(int token) { 11111 enforceSystemOrRoot("Only the system is allowed to finish installs"); 11112 11113 if (DEBUG_INSTALL) { 11114 Slog.v(TAG, "BM finishing package install for " + token); 11115 } 11116 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 11117 11118 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 11119 mHandler.sendMessage(msg); 11120 } 11121 11122 /** 11123 * Get the verification agent timeout. 11124 * 11125 * @return verification timeout in milliseconds 11126 */ 11127 private long getVerificationTimeout() { 11128 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 11129 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 11130 DEFAULT_VERIFICATION_TIMEOUT); 11131 } 11132 11133 /** 11134 * Get the default verification agent response code. 11135 * 11136 * @return default verification response code 11137 */ 11138 private int getDefaultVerificationResponse() { 11139 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 11140 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 11141 DEFAULT_VERIFICATION_RESPONSE); 11142 } 11143 11144 /** 11145 * Check whether or not package verification has been enabled. 11146 * 11147 * @return true if verification should be performed 11148 */ 11149 private boolean isVerificationEnabled(int userId, int installFlags) { 11150 if (!DEFAULT_VERIFY_ENABLE) { 11151 return false; 11152 } 11153 // Ephemeral apps don't get the full verification treatment 11154 if ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 11155 if (DEBUG_EPHEMERAL) { 11156 Slog.d(TAG, "INSTALL_EPHEMERAL so skipping verification"); 11157 } 11158 return false; 11159 } 11160 11161 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 11162 11163 // Check if installing from ADB 11164 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 11165 // Do not run verification in a test harness environment 11166 if (ActivityManager.isRunningInTestHarness()) { 11167 return false; 11168 } 11169 if (ensureVerifyAppsEnabled) { 11170 return true; 11171 } 11172 // Check if the developer does not want package verification for ADB installs 11173 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 11174 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 11175 return false; 11176 } 11177 } 11178 11179 if (ensureVerifyAppsEnabled) { 11180 return true; 11181 } 11182 11183 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 11184 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 11185 } 11186 11187 @Override 11188 public void verifyIntentFilter(int id, int verificationCode, List<String> failedDomains) 11189 throws RemoteException { 11190 mContext.enforceCallingOrSelfPermission( 11191 Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 11192 "Only intentfilter verification agents can verify applications"); 11193 11194 final Message msg = mHandler.obtainMessage(INTENT_FILTER_VERIFIED); 11195 final IntentFilterVerificationResponse response = new IntentFilterVerificationResponse( 11196 Binder.getCallingUid(), verificationCode, failedDomains); 11197 msg.arg1 = id; 11198 msg.obj = response; 11199 mHandler.sendMessage(msg); 11200 } 11201 11202 @Override 11203 public int getIntentVerificationStatus(String packageName, int userId) { 11204 synchronized (mPackages) { 11205 return mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 11206 } 11207 } 11208 11209 @Override 11210 public boolean updateIntentVerificationStatus(String packageName, int status, int userId) { 11211 mContext.enforceCallingOrSelfPermission( 11212 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11213 11214 boolean result = false; 11215 synchronized (mPackages) { 11216 result = mSettings.updateIntentFilterVerificationStatusLPw(packageName, status, userId); 11217 } 11218 if (result) { 11219 scheduleWritePackageRestrictionsLocked(userId); 11220 } 11221 return result; 11222 } 11223 11224 @Override 11225 public @NonNull ParceledListSlice<IntentFilterVerificationInfo> getIntentFilterVerifications( 11226 String packageName) { 11227 synchronized (mPackages) { 11228 return new ParceledListSlice<>(mSettings.getIntentFilterVerificationsLPr(packageName)); 11229 } 11230 } 11231 11232 @Override 11233 public @NonNull ParceledListSlice<IntentFilter> getAllIntentFilters(String packageName) { 11234 if (TextUtils.isEmpty(packageName)) { 11235 return ParceledListSlice.emptyList(); 11236 } 11237 synchronized (mPackages) { 11238 PackageParser.Package pkg = mPackages.get(packageName); 11239 if (pkg == null || pkg.activities == null) { 11240 return ParceledListSlice.emptyList(); 11241 } 11242 final int count = pkg.activities.size(); 11243 ArrayList<IntentFilter> result = new ArrayList<>(); 11244 for (int n=0; n<count; n++) { 11245 PackageParser.Activity activity = pkg.activities.get(n); 11246 if (activity.intents != null && activity.intents.size() > 0) { 11247 result.addAll(activity.intents); 11248 } 11249 } 11250 return new ParceledListSlice<>(result); 11251 } 11252 } 11253 11254 @Override 11255 public boolean setDefaultBrowserPackageName(String packageName, int userId) { 11256 mContext.enforceCallingOrSelfPermission( 11257 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11258 11259 synchronized (mPackages) { 11260 boolean result = mSettings.setDefaultBrowserPackageNameLPw(packageName, userId); 11261 if (packageName != null) { 11262 result |= updateIntentVerificationStatus(packageName, 11263 PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, 11264 userId); 11265 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultBrowserLPr( 11266 packageName, userId); 11267 } 11268 return result; 11269 } 11270 } 11271 11272 @Override 11273 public String getDefaultBrowserPackageName(int userId) { 11274 synchronized (mPackages) { 11275 return mSettings.getDefaultBrowserPackageNameLPw(userId); 11276 } 11277 } 11278 11279 /** 11280 * Get the "allow unknown sources" setting. 11281 * 11282 * @return the current "allow unknown sources" setting 11283 */ 11284 private int getUnknownSourcesSettings() { 11285 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 11286 android.provider.Settings.Global.INSTALL_NON_MARKET_APPS, 11287 -1); 11288 } 11289 11290 @Override 11291 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 11292 final int uid = Binder.getCallingUid(); 11293 // writer 11294 synchronized (mPackages) { 11295 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 11296 if (targetPackageSetting == null) { 11297 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 11298 } 11299 11300 PackageSetting installerPackageSetting; 11301 if (installerPackageName != null) { 11302 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 11303 if (installerPackageSetting == null) { 11304 throw new IllegalArgumentException("Unknown installer package: " 11305 + installerPackageName); 11306 } 11307 } else { 11308 installerPackageSetting = null; 11309 } 11310 11311 Signature[] callerSignature; 11312 Object obj = mSettings.getUserIdLPr(uid); 11313 if (obj != null) { 11314 if (obj instanceof SharedUserSetting) { 11315 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 11316 } else if (obj instanceof PackageSetting) { 11317 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 11318 } else { 11319 throw new SecurityException("Bad object " + obj + " for uid " + uid); 11320 } 11321 } else { 11322 throw new SecurityException("Unknown calling UID: " + uid); 11323 } 11324 11325 // Verify: can't set installerPackageName to a package that is 11326 // not signed with the same cert as the caller. 11327 if (installerPackageSetting != null) { 11328 if (compareSignatures(callerSignature, 11329 installerPackageSetting.signatures.mSignatures) 11330 != PackageManager.SIGNATURE_MATCH) { 11331 throw new SecurityException( 11332 "Caller does not have same cert as new installer package " 11333 + installerPackageName); 11334 } 11335 } 11336 11337 // Verify: if target already has an installer package, it must 11338 // be signed with the same cert as the caller. 11339 if (targetPackageSetting.installerPackageName != null) { 11340 PackageSetting setting = mSettings.mPackages.get( 11341 targetPackageSetting.installerPackageName); 11342 // If the currently set package isn't valid, then it's always 11343 // okay to change it. 11344 if (setting != null) { 11345 if (compareSignatures(callerSignature, 11346 setting.signatures.mSignatures) 11347 != PackageManager.SIGNATURE_MATCH) { 11348 throw new SecurityException( 11349 "Caller does not have same cert as old installer package " 11350 + targetPackageSetting.installerPackageName); 11351 } 11352 } 11353 } 11354 11355 // Okay! 11356 targetPackageSetting.installerPackageName = installerPackageName; 11357 scheduleWriteSettingsLocked(); 11358 } 11359 } 11360 11361 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 11362 // Queue up an async operation since the package installation may take a little while. 11363 mHandler.post(new Runnable() { 11364 public void run() { 11365 mHandler.removeCallbacks(this); 11366 // Result object to be returned 11367 PackageInstalledInfo res = new PackageInstalledInfo(); 11368 res.setReturnCode(currentStatus); 11369 res.uid = -1; 11370 res.pkg = null; 11371 res.removedInfo = null; 11372 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 11373 args.doPreInstall(res.returnCode); 11374 synchronized (mInstallLock) { 11375 installPackageTracedLI(args, res); 11376 } 11377 args.doPostInstall(res.returnCode, res.uid); 11378 } 11379 11380 // A restore should be performed at this point if (a) the install 11381 // succeeded, (b) the operation is not an update, and (c) the new 11382 // package has not opted out of backup participation. 11383 final boolean update = res.removedInfo != null 11384 && res.removedInfo.removedPackage != null; 11385 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 11386 boolean doRestore = !update 11387 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 11388 11389 // Set up the post-install work request bookkeeping. This will be used 11390 // and cleaned up by the post-install event handling regardless of whether 11391 // there's a restore pass performed. Token values are >= 1. 11392 int token; 11393 if (mNextInstallToken < 0) mNextInstallToken = 1; 11394 token = mNextInstallToken++; 11395 11396 PostInstallData data = new PostInstallData(args, res); 11397 mRunningInstalls.put(token, data); 11398 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 11399 11400 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 11401 // Pass responsibility to the Backup Manager. It will perform a 11402 // restore if appropriate, then pass responsibility back to the 11403 // Package Manager to run the post-install observer callbacks 11404 // and broadcasts. 11405 IBackupManager bm = IBackupManager.Stub.asInterface( 11406 ServiceManager.getService(Context.BACKUP_SERVICE)); 11407 if (bm != null) { 11408 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 11409 + " to BM for possible restore"); 11410 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 11411 try { 11412 // TODO: http://b/22388012 11413 if (bm.isBackupServiceActive(UserHandle.USER_SYSTEM)) { 11414 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 11415 } else { 11416 doRestore = false; 11417 } 11418 } catch (RemoteException e) { 11419 // can't happen; the backup manager is local 11420 } catch (Exception e) { 11421 Slog.e(TAG, "Exception trying to enqueue restore", e); 11422 doRestore = false; 11423 } 11424 } else { 11425 Slog.e(TAG, "Backup Manager not found!"); 11426 doRestore = false; 11427 } 11428 } 11429 11430 if (!doRestore) { 11431 // No restore possible, or the Backup Manager was mysteriously not 11432 // available -- just fire the post-install work request directly. 11433 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 11434 11435 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "postInstall", token); 11436 11437 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 11438 mHandler.sendMessage(msg); 11439 } 11440 } 11441 }); 11442 } 11443 11444 private abstract class HandlerParams { 11445 private static final int MAX_RETRIES = 4; 11446 11447 /** 11448 * Number of times startCopy() has been attempted and had a non-fatal 11449 * error. 11450 */ 11451 private int mRetries = 0; 11452 11453 /** User handle for the user requesting the information or installation. */ 11454 private final UserHandle mUser; 11455 String traceMethod; 11456 int traceCookie; 11457 11458 HandlerParams(UserHandle user) { 11459 mUser = user; 11460 } 11461 11462 UserHandle getUser() { 11463 return mUser; 11464 } 11465 11466 HandlerParams setTraceMethod(String traceMethod) { 11467 this.traceMethod = traceMethod; 11468 return this; 11469 } 11470 11471 HandlerParams setTraceCookie(int traceCookie) { 11472 this.traceCookie = traceCookie; 11473 return this; 11474 } 11475 11476 final boolean startCopy() { 11477 boolean res; 11478 try { 11479 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 11480 11481 if (++mRetries > MAX_RETRIES) { 11482 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 11483 mHandler.sendEmptyMessage(MCS_GIVE_UP); 11484 handleServiceError(); 11485 return false; 11486 } else { 11487 handleStartCopy(); 11488 res = true; 11489 } 11490 } catch (RemoteException e) { 11491 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 11492 mHandler.sendEmptyMessage(MCS_RECONNECT); 11493 res = false; 11494 } 11495 handleReturnCode(); 11496 return res; 11497 } 11498 11499 final void serviceError() { 11500 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 11501 handleServiceError(); 11502 handleReturnCode(); 11503 } 11504 11505 abstract void handleStartCopy() throws RemoteException; 11506 abstract void handleServiceError(); 11507 abstract void handleReturnCode(); 11508 } 11509 11510 class MeasureParams extends HandlerParams { 11511 private final PackageStats mStats; 11512 private boolean mSuccess; 11513 11514 private final IPackageStatsObserver mObserver; 11515 11516 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 11517 super(new UserHandle(stats.userHandle)); 11518 mObserver = observer; 11519 mStats = stats; 11520 } 11521 11522 @Override 11523 public String toString() { 11524 return "MeasureParams{" 11525 + Integer.toHexString(System.identityHashCode(this)) 11526 + " " + mStats.packageName + "}"; 11527 } 11528 11529 @Override 11530 void handleStartCopy() throws RemoteException { 11531 synchronized (mInstallLock) { 11532 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 11533 } 11534 11535 if (mSuccess) { 11536 final boolean mounted; 11537 if (Environment.isExternalStorageEmulated()) { 11538 mounted = true; 11539 } else { 11540 final String status = Environment.getExternalStorageState(); 11541 mounted = (Environment.MEDIA_MOUNTED.equals(status) 11542 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 11543 } 11544 11545 if (mounted) { 11546 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 11547 11548 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 11549 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 11550 11551 mStats.externalDataSize = calculateDirectorySize(mContainerService, 11552 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 11553 11554 // Always subtract cache size, since it's a subdirectory 11555 mStats.externalDataSize -= mStats.externalCacheSize; 11556 11557 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 11558 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 11559 11560 mStats.externalObbSize = calculateDirectorySize(mContainerService, 11561 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 11562 } 11563 } 11564 } 11565 11566 @Override 11567 void handleReturnCode() { 11568 if (mObserver != null) { 11569 try { 11570 mObserver.onGetStatsCompleted(mStats, mSuccess); 11571 } catch (RemoteException e) { 11572 Slog.i(TAG, "Observer no longer exists."); 11573 } 11574 } 11575 } 11576 11577 @Override 11578 void handleServiceError() { 11579 Slog.e(TAG, "Could not measure application " + mStats.packageName 11580 + " external storage"); 11581 } 11582 } 11583 11584 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 11585 throws RemoteException { 11586 long result = 0; 11587 for (File path : paths) { 11588 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 11589 } 11590 return result; 11591 } 11592 11593 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 11594 for (File path : paths) { 11595 try { 11596 mcs.clearDirectory(path.getAbsolutePath()); 11597 } catch (RemoteException e) { 11598 } 11599 } 11600 } 11601 11602 static class OriginInfo { 11603 /** 11604 * Location where install is coming from, before it has been 11605 * copied/renamed into place. This could be a single monolithic APK 11606 * file, or a cluster directory. This location may be untrusted. 11607 */ 11608 final File file; 11609 final String cid; 11610 11611 /** 11612 * Flag indicating that {@link #file} or {@link #cid} has already been 11613 * staged, meaning downstream users don't need to defensively copy the 11614 * contents. 11615 */ 11616 final boolean staged; 11617 11618 /** 11619 * Flag indicating that {@link #file} or {@link #cid} is an already 11620 * installed app that is being moved. 11621 */ 11622 final boolean existing; 11623 11624 final String resolvedPath; 11625 final File resolvedFile; 11626 11627 static OriginInfo fromNothing() { 11628 return new OriginInfo(null, null, false, false); 11629 } 11630 11631 static OriginInfo fromUntrustedFile(File file) { 11632 return new OriginInfo(file, null, false, false); 11633 } 11634 11635 static OriginInfo fromExistingFile(File file) { 11636 return new OriginInfo(file, null, false, true); 11637 } 11638 11639 static OriginInfo fromStagedFile(File file) { 11640 return new OriginInfo(file, null, true, false); 11641 } 11642 11643 static OriginInfo fromStagedContainer(String cid) { 11644 return new OriginInfo(null, cid, true, false); 11645 } 11646 11647 private OriginInfo(File file, String cid, boolean staged, boolean existing) { 11648 this.file = file; 11649 this.cid = cid; 11650 this.staged = staged; 11651 this.existing = existing; 11652 11653 if (cid != null) { 11654 resolvedPath = PackageHelper.getSdDir(cid); 11655 resolvedFile = new File(resolvedPath); 11656 } else if (file != null) { 11657 resolvedPath = file.getAbsolutePath(); 11658 resolvedFile = file; 11659 } else { 11660 resolvedPath = null; 11661 resolvedFile = null; 11662 } 11663 } 11664 } 11665 11666 static class MoveInfo { 11667 final int moveId; 11668 final String fromUuid; 11669 final String toUuid; 11670 final String packageName; 11671 final String dataAppName; 11672 final int appId; 11673 final String seinfo; 11674 final int targetSdkVersion; 11675 11676 public MoveInfo(int moveId, String fromUuid, String toUuid, String packageName, 11677 String dataAppName, int appId, String seinfo, int targetSdkVersion) { 11678 this.moveId = moveId; 11679 this.fromUuid = fromUuid; 11680 this.toUuid = toUuid; 11681 this.packageName = packageName; 11682 this.dataAppName = dataAppName; 11683 this.appId = appId; 11684 this.seinfo = seinfo; 11685 this.targetSdkVersion = targetSdkVersion; 11686 } 11687 } 11688 11689 static class VerificationInfo { 11690 /** A constant used to indicate that a uid value is not present. */ 11691 public static final int NO_UID = -1; 11692 11693 /** URI referencing where the package was downloaded from. */ 11694 final Uri originatingUri; 11695 11696 /** HTTP referrer URI associated with the originatingURI. */ 11697 final Uri referrer; 11698 11699 /** UID of the application that the install request originated from. */ 11700 final int originatingUid; 11701 11702 /** UID of application requesting the install */ 11703 final int installerUid; 11704 11705 VerificationInfo(Uri originatingUri, Uri referrer, int originatingUid, int installerUid) { 11706 this.originatingUri = originatingUri; 11707 this.referrer = referrer; 11708 this.originatingUid = originatingUid; 11709 this.installerUid = installerUid; 11710 } 11711 } 11712 11713 class InstallParams extends HandlerParams { 11714 final OriginInfo origin; 11715 final MoveInfo move; 11716 final IPackageInstallObserver2 observer; 11717 int installFlags; 11718 final String installerPackageName; 11719 final String volumeUuid; 11720 private InstallArgs mArgs; 11721 private int mRet; 11722 final String packageAbiOverride; 11723 final String[] grantedRuntimePermissions; 11724 final VerificationInfo verificationInfo; 11725 11726 InstallParams(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 11727 int installFlags, String installerPackageName, String volumeUuid, 11728 VerificationInfo verificationInfo, UserHandle user, String packageAbiOverride, 11729 String[] grantedPermissions) { 11730 super(user); 11731 this.origin = origin; 11732 this.move = move; 11733 this.observer = observer; 11734 this.installFlags = installFlags; 11735 this.installerPackageName = installerPackageName; 11736 this.volumeUuid = volumeUuid; 11737 this.verificationInfo = verificationInfo; 11738 this.packageAbiOverride = packageAbiOverride; 11739 this.grantedRuntimePermissions = grantedPermissions; 11740 } 11741 11742 @Override 11743 public String toString() { 11744 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 11745 + " file=" + origin.file + " cid=" + origin.cid + "}"; 11746 } 11747 11748 private int installLocationPolicy(PackageInfoLite pkgLite) { 11749 String packageName = pkgLite.packageName; 11750 int installLocation = pkgLite.installLocation; 11751 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 11752 // reader 11753 synchronized (mPackages) { 11754 // Currently installed package which the new package is attempting to replace or 11755 // null if no such package is installed. 11756 PackageParser.Package installedPkg = mPackages.get(packageName); 11757 // Package which currently owns the data which the new package will own if installed. 11758 // If an app is unstalled while keeping data (e.g., adb uninstall -k), installedPkg 11759 // will be null whereas dataOwnerPkg will contain information about the package 11760 // which was uninstalled while keeping its data. 11761 PackageParser.Package dataOwnerPkg = installedPkg; 11762 if (dataOwnerPkg == null) { 11763 PackageSetting ps = mSettings.mPackages.get(packageName); 11764 if (ps != null) { 11765 dataOwnerPkg = ps.pkg; 11766 } 11767 } 11768 11769 if (dataOwnerPkg != null) { 11770 // If installed, the package will get access to data left on the device by its 11771 // predecessor. As a security measure, this is permited only if this is not a 11772 // version downgrade or if the predecessor package is marked as debuggable and 11773 // a downgrade is explicitly requested. 11774 if (((dataOwnerPkg.applicationInfo.flags & ApplicationInfo.FLAG_DEBUGGABLE) == 0) 11775 || ((installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) == 0)) { 11776 try { 11777 checkDowngrade(dataOwnerPkg, pkgLite); 11778 } catch (PackageManagerException e) { 11779 Slog.w(TAG, "Downgrade detected: " + e.getMessage()); 11780 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 11781 } 11782 } 11783 } 11784 11785 if (installedPkg != null) { 11786 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 11787 // Check for updated system application. 11788 if ((installedPkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 11789 if (onSd) { 11790 Slog.w(TAG, "Cannot install update to system app on sdcard"); 11791 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 11792 } 11793 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 11794 } else { 11795 if (onSd) { 11796 // Install flag overrides everything. 11797 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 11798 } 11799 // If current upgrade specifies particular preference 11800 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 11801 // Application explicitly specified internal. 11802 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 11803 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 11804 // App explictly prefers external. Let policy decide 11805 } else { 11806 // Prefer previous location 11807 if (isExternal(installedPkg)) { 11808 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 11809 } 11810 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 11811 } 11812 } 11813 } else { 11814 // Invalid install. Return error code 11815 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 11816 } 11817 } 11818 } 11819 // All the special cases have been taken care of. 11820 // Return result based on recommended install location. 11821 if (onSd) { 11822 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 11823 } 11824 return pkgLite.recommendedInstallLocation; 11825 } 11826 11827 /* 11828 * Invoke remote method to get package information and install 11829 * location values. Override install location based on default 11830 * policy if needed and then create install arguments based 11831 * on the install location. 11832 */ 11833 public void handleStartCopy() throws RemoteException { 11834 int ret = PackageManager.INSTALL_SUCCEEDED; 11835 11836 // If we're already staged, we've firmly committed to an install location 11837 if (origin.staged) { 11838 if (origin.file != null) { 11839 installFlags |= PackageManager.INSTALL_INTERNAL; 11840 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 11841 } else if (origin.cid != null) { 11842 installFlags |= PackageManager.INSTALL_EXTERNAL; 11843 installFlags &= ~PackageManager.INSTALL_INTERNAL; 11844 } else { 11845 throw new IllegalStateException("Invalid stage location"); 11846 } 11847 } 11848 11849 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 11850 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 11851 final boolean ephemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 11852 PackageInfoLite pkgLite = null; 11853 11854 if (onInt && onSd) { 11855 // Check if both bits are set. 11856 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 11857 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 11858 } else if (onSd && ephemeral) { 11859 Slog.w(TAG, "Conflicting flags specified for installing ephemeral on external"); 11860 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 11861 } else { 11862 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 11863 packageAbiOverride); 11864 11865 if (DEBUG_EPHEMERAL && ephemeral) { 11866 Slog.v(TAG, "pkgLite for install: " + pkgLite); 11867 } 11868 11869 /* 11870 * If we have too little free space, try to free cache 11871 * before giving up. 11872 */ 11873 if (!origin.staged && pkgLite.recommendedInstallLocation 11874 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 11875 // TODO: focus freeing disk space on the target device 11876 final StorageManager storage = StorageManager.from(mContext); 11877 final long lowThreshold = storage.getStorageLowBytes( 11878 Environment.getDataDirectory()); 11879 11880 final long sizeBytes = mContainerService.calculateInstalledSize( 11881 origin.resolvedPath, isForwardLocked(), packageAbiOverride); 11882 11883 try { 11884 mInstaller.freeCache(null, sizeBytes + lowThreshold); 11885 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 11886 installFlags, packageAbiOverride); 11887 } catch (InstallerException e) { 11888 Slog.w(TAG, "Failed to free cache", e); 11889 } 11890 11891 /* 11892 * The cache free must have deleted the file we 11893 * downloaded to install. 11894 * 11895 * TODO: fix the "freeCache" call to not delete 11896 * the file we care about. 11897 */ 11898 if (pkgLite.recommendedInstallLocation 11899 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 11900 pkgLite.recommendedInstallLocation 11901 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 11902 } 11903 } 11904 } 11905 11906 if (ret == PackageManager.INSTALL_SUCCEEDED) { 11907 int loc = pkgLite.recommendedInstallLocation; 11908 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 11909 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 11910 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 11911 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 11912 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 11913 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 11914 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 11915 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 11916 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 11917 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 11918 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 11919 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 11920 } else { 11921 // Override with defaults if needed. 11922 loc = installLocationPolicy(pkgLite); 11923 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 11924 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 11925 } else if (!onSd && !onInt) { 11926 // Override install location with flags 11927 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 11928 // Set the flag to install on external media. 11929 installFlags |= PackageManager.INSTALL_EXTERNAL; 11930 installFlags &= ~PackageManager.INSTALL_INTERNAL; 11931 } else if (loc == PackageHelper.RECOMMEND_INSTALL_EPHEMERAL) { 11932 if (DEBUG_EPHEMERAL) { 11933 Slog.v(TAG, "...setting INSTALL_EPHEMERAL install flag"); 11934 } 11935 installFlags |= PackageManager.INSTALL_EPHEMERAL; 11936 installFlags &= ~(PackageManager.INSTALL_EXTERNAL 11937 |PackageManager.INSTALL_INTERNAL); 11938 } else { 11939 // Make sure the flag for installing on external 11940 // media is unset 11941 installFlags |= PackageManager.INSTALL_INTERNAL; 11942 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 11943 } 11944 } 11945 } 11946 } 11947 11948 final InstallArgs args = createInstallArgs(this); 11949 mArgs = args; 11950 11951 if (ret == PackageManager.INSTALL_SUCCEEDED) { 11952 // TODO: http://b/22976637 11953 // Apps installed for "all" users use the device owner to verify the app 11954 UserHandle verifierUser = getUser(); 11955 if (verifierUser == UserHandle.ALL) { 11956 verifierUser = UserHandle.SYSTEM; 11957 } 11958 11959 /* 11960 * Determine if we have any installed package verifiers. If we 11961 * do, then we'll defer to them to verify the packages. 11962 */ 11963 final int requiredUid = mRequiredVerifierPackage == null ? -1 11964 : getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 11965 verifierUser.getIdentifier()); 11966 if (!origin.existing && requiredUid != -1 11967 && isVerificationEnabled(verifierUser.getIdentifier(), installFlags)) { 11968 final Intent verification = new Intent( 11969 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 11970 verification.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 11971 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 11972 PACKAGE_MIME_TYPE); 11973 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 11974 11975 // Query all live verifiers based on current user state 11976 final List<ResolveInfo> receivers = queryIntentReceiversInternal(verification, 11977 PACKAGE_MIME_TYPE, 0, verifierUser.getIdentifier()); 11978 11979 if (DEBUG_VERIFY) { 11980 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 11981 + verification.toString() + " with " + pkgLite.verifiers.length 11982 + " optional verifiers"); 11983 } 11984 11985 final int verificationId = mPendingVerificationToken++; 11986 11987 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 11988 11989 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 11990 installerPackageName); 11991 11992 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 11993 installFlags); 11994 11995 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 11996 pkgLite.packageName); 11997 11998 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 11999 pkgLite.versionCode); 12000 12001 if (verificationInfo != null) { 12002 if (verificationInfo.originatingUri != null) { 12003 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 12004 verificationInfo.originatingUri); 12005 } 12006 if (verificationInfo.referrer != null) { 12007 verification.putExtra(Intent.EXTRA_REFERRER, 12008 verificationInfo.referrer); 12009 } 12010 if (verificationInfo.originatingUid >= 0) { 12011 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 12012 verificationInfo.originatingUid); 12013 } 12014 if (verificationInfo.installerUid >= 0) { 12015 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 12016 verificationInfo.installerUid); 12017 } 12018 } 12019 12020 final PackageVerificationState verificationState = new PackageVerificationState( 12021 requiredUid, args); 12022 12023 mPendingVerification.append(verificationId, verificationState); 12024 12025 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 12026 receivers, verificationState); 12027 12028 /* 12029 * If any sufficient verifiers were listed in the package 12030 * manifest, attempt to ask them. 12031 */ 12032 if (sufficientVerifiers != null) { 12033 final int N = sufficientVerifiers.size(); 12034 if (N == 0) { 12035 Slog.i(TAG, "Additional verifiers required, but none installed."); 12036 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 12037 } else { 12038 for (int i = 0; i < N; i++) { 12039 final ComponentName verifierComponent = sufficientVerifiers.get(i); 12040 12041 final Intent sufficientIntent = new Intent(verification); 12042 sufficientIntent.setComponent(verifierComponent); 12043 mContext.sendBroadcastAsUser(sufficientIntent, verifierUser); 12044 } 12045 } 12046 } 12047 12048 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 12049 mRequiredVerifierPackage, receivers); 12050 if (ret == PackageManager.INSTALL_SUCCEEDED 12051 && mRequiredVerifierPackage != null) { 12052 Trace.asyncTraceBegin( 12053 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 12054 /* 12055 * Send the intent to the required verification agent, 12056 * but only start the verification timeout after the 12057 * target BroadcastReceivers have run. 12058 */ 12059 verification.setComponent(requiredVerifierComponent); 12060 mContext.sendOrderedBroadcastAsUser(verification, verifierUser, 12061 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 12062 new BroadcastReceiver() { 12063 @Override 12064 public void onReceive(Context context, Intent intent) { 12065 final Message msg = mHandler 12066 .obtainMessage(CHECK_PENDING_VERIFICATION); 12067 msg.arg1 = verificationId; 12068 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 12069 } 12070 }, null, 0, null, null); 12071 12072 /* 12073 * We don't want the copy to proceed until verification 12074 * succeeds, so null out this field. 12075 */ 12076 mArgs = null; 12077 } 12078 } else { 12079 /* 12080 * No package verification is enabled, so immediately start 12081 * the remote call to initiate copy using temporary file. 12082 */ 12083 ret = args.copyApk(mContainerService, true); 12084 } 12085 } 12086 12087 mRet = ret; 12088 } 12089 12090 @Override 12091 void handleReturnCode() { 12092 // If mArgs is null, then MCS couldn't be reached. When it 12093 // reconnects, it will try again to install. At that point, this 12094 // will succeed. 12095 if (mArgs != null) { 12096 processPendingInstall(mArgs, mRet); 12097 } 12098 } 12099 12100 @Override 12101 void handleServiceError() { 12102 mArgs = createInstallArgs(this); 12103 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 12104 } 12105 12106 public boolean isForwardLocked() { 12107 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 12108 } 12109 } 12110 12111 /** 12112 * Used during creation of InstallArgs 12113 * 12114 * @param installFlags package installation flags 12115 * @return true if should be installed on external storage 12116 */ 12117 private static boolean installOnExternalAsec(int installFlags) { 12118 if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) { 12119 return false; 12120 } 12121 if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 12122 return true; 12123 } 12124 return false; 12125 } 12126 12127 /** 12128 * Used during creation of InstallArgs 12129 * 12130 * @param installFlags package installation flags 12131 * @return true if should be installed as forward locked 12132 */ 12133 private static boolean installForwardLocked(int installFlags) { 12134 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 12135 } 12136 12137 private InstallArgs createInstallArgs(InstallParams params) { 12138 if (params.move != null) { 12139 return new MoveInstallArgs(params); 12140 } else if (installOnExternalAsec(params.installFlags) || params.isForwardLocked()) { 12141 return new AsecInstallArgs(params); 12142 } else { 12143 return new FileInstallArgs(params); 12144 } 12145 } 12146 12147 /** 12148 * Create args that describe an existing installed package. Typically used 12149 * when cleaning up old installs, or used as a move source. 12150 */ 12151 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 12152 String resourcePath, String[] instructionSets) { 12153 final boolean isInAsec; 12154 if (installOnExternalAsec(installFlags)) { 12155 /* Apps on SD card are always in ASEC containers. */ 12156 isInAsec = true; 12157 } else if (installForwardLocked(installFlags) 12158 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 12159 /* 12160 * Forward-locked apps are only in ASEC containers if they're the 12161 * new style 12162 */ 12163 isInAsec = true; 12164 } else { 12165 isInAsec = false; 12166 } 12167 12168 if (isInAsec) { 12169 return new AsecInstallArgs(codePath, instructionSets, 12170 installOnExternalAsec(installFlags), installForwardLocked(installFlags)); 12171 } else { 12172 return new FileInstallArgs(codePath, resourcePath, instructionSets); 12173 } 12174 } 12175 12176 static abstract class InstallArgs { 12177 /** @see InstallParams#origin */ 12178 final OriginInfo origin; 12179 /** @see InstallParams#move */ 12180 final MoveInfo move; 12181 12182 final IPackageInstallObserver2 observer; 12183 // Always refers to PackageManager flags only 12184 final int installFlags; 12185 final String installerPackageName; 12186 final String volumeUuid; 12187 final UserHandle user; 12188 final String abiOverride; 12189 final String[] installGrantPermissions; 12190 /** If non-null, drop an async trace when the install completes */ 12191 final String traceMethod; 12192 final int traceCookie; 12193 12194 // The list of instruction sets supported by this app. This is currently 12195 // only used during the rmdex() phase to clean up resources. We can get rid of this 12196 // if we move dex files under the common app path. 12197 /* nullable */ String[] instructionSets; 12198 12199 InstallArgs(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 12200 int installFlags, String installerPackageName, String volumeUuid, 12201 UserHandle user, String[] instructionSets, 12202 String abiOverride, String[] installGrantPermissions, 12203 String traceMethod, int traceCookie) { 12204 this.origin = origin; 12205 this.move = move; 12206 this.installFlags = installFlags; 12207 this.observer = observer; 12208 this.installerPackageName = installerPackageName; 12209 this.volumeUuid = volumeUuid; 12210 this.user = user; 12211 this.instructionSets = instructionSets; 12212 this.abiOverride = abiOverride; 12213 this.installGrantPermissions = installGrantPermissions; 12214 this.traceMethod = traceMethod; 12215 this.traceCookie = traceCookie; 12216 } 12217 12218 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 12219 abstract int doPreInstall(int status); 12220 12221 /** 12222 * Rename package into final resting place. All paths on the given 12223 * scanned package should be updated to reflect the rename. 12224 */ 12225 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 12226 abstract int doPostInstall(int status, int uid); 12227 12228 /** @see PackageSettingBase#codePathString */ 12229 abstract String getCodePath(); 12230 /** @see PackageSettingBase#resourcePathString */ 12231 abstract String getResourcePath(); 12232 12233 // Need installer lock especially for dex file removal. 12234 abstract void cleanUpResourcesLI(); 12235 abstract boolean doPostDeleteLI(boolean delete); 12236 12237 /** 12238 * Called before the source arguments are copied. This is used mostly 12239 * for MoveParams when it needs to read the source file to put it in the 12240 * destination. 12241 */ 12242 int doPreCopy() { 12243 return PackageManager.INSTALL_SUCCEEDED; 12244 } 12245 12246 /** 12247 * Called after the source arguments are copied. This is used mostly for 12248 * MoveParams when it needs to read the source file to put it in the 12249 * destination. 12250 * 12251 * @return 12252 */ 12253 int doPostCopy(int uid) { 12254 return PackageManager.INSTALL_SUCCEEDED; 12255 } 12256 12257 protected boolean isFwdLocked() { 12258 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 12259 } 12260 12261 protected boolean isExternalAsec() { 12262 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 12263 } 12264 12265 protected boolean isEphemeral() { 12266 return (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 12267 } 12268 12269 UserHandle getUser() { 12270 return user; 12271 } 12272 } 12273 12274 private void removeDexFiles(List<String> allCodePaths, String[] instructionSets) { 12275 if (!allCodePaths.isEmpty()) { 12276 if (instructionSets == null) { 12277 throw new IllegalStateException("instructionSet == null"); 12278 } 12279 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 12280 for (String codePath : allCodePaths) { 12281 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 12282 try { 12283 mInstaller.rmdex(codePath, dexCodeInstructionSet); 12284 } catch (InstallerException ignored) { 12285 } 12286 } 12287 } 12288 } 12289 } 12290 12291 /** 12292 * Logic to handle installation of non-ASEC applications, including copying 12293 * and renaming logic. 12294 */ 12295 class FileInstallArgs extends InstallArgs { 12296 private File codeFile; 12297 private File resourceFile; 12298 12299 // Example topology: 12300 // /data/app/com.example/base.apk 12301 // /data/app/com.example/split_foo.apk 12302 // /data/app/com.example/lib/arm/libfoo.so 12303 // /data/app/com.example/lib/arm64/libfoo.so 12304 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 12305 12306 /** New install */ 12307 FileInstallArgs(InstallParams params) { 12308 super(params.origin, params.move, params.observer, params.installFlags, 12309 params.installerPackageName, params.volumeUuid, 12310 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 12311 params.grantedRuntimePermissions, 12312 params.traceMethod, params.traceCookie); 12313 if (isFwdLocked()) { 12314 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 12315 } 12316 } 12317 12318 /** Existing install */ 12319 FileInstallArgs(String codePath, String resourcePath, String[] instructionSets) { 12320 super(OriginInfo.fromNothing(), null, null, 0, null, null, null, instructionSets, 12321 null, null, null, 0); 12322 this.codeFile = (codePath != null) ? new File(codePath) : null; 12323 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 12324 } 12325 12326 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 12327 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyApk"); 12328 try { 12329 return doCopyApk(imcs, temp); 12330 } finally { 12331 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 12332 } 12333 } 12334 12335 private int doCopyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 12336 if (origin.staged) { 12337 if (DEBUG_INSTALL) Slog.d(TAG, origin.file + " already staged; skipping copy"); 12338 codeFile = origin.file; 12339 resourceFile = origin.file; 12340 return PackageManager.INSTALL_SUCCEEDED; 12341 } 12342 12343 try { 12344 final boolean isEphemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 12345 final File tempDir = 12346 mInstallerService.allocateStageDirLegacy(volumeUuid, isEphemeral); 12347 codeFile = tempDir; 12348 resourceFile = tempDir; 12349 } catch (IOException e) { 12350 Slog.w(TAG, "Failed to create copy file: " + e); 12351 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 12352 } 12353 12354 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 12355 @Override 12356 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 12357 if (!FileUtils.isValidExtFilename(name)) { 12358 throw new IllegalArgumentException("Invalid filename: " + name); 12359 } 12360 try { 12361 final File file = new File(codeFile, name); 12362 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 12363 O_RDWR | O_CREAT, 0644); 12364 Os.chmod(file.getAbsolutePath(), 0644); 12365 return new ParcelFileDescriptor(fd); 12366 } catch (ErrnoException e) { 12367 throw new RemoteException("Failed to open: " + e.getMessage()); 12368 } 12369 } 12370 }; 12371 12372 int ret = PackageManager.INSTALL_SUCCEEDED; 12373 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 12374 if (ret != PackageManager.INSTALL_SUCCEEDED) { 12375 Slog.e(TAG, "Failed to copy package"); 12376 return ret; 12377 } 12378 12379 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 12380 NativeLibraryHelper.Handle handle = null; 12381 try { 12382 handle = NativeLibraryHelper.Handle.create(codeFile); 12383 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 12384 abiOverride); 12385 } catch (IOException e) { 12386 Slog.e(TAG, "Copying native libraries failed", e); 12387 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 12388 } finally { 12389 IoUtils.closeQuietly(handle); 12390 } 12391 12392 return ret; 12393 } 12394 12395 int doPreInstall(int status) { 12396 if (status != PackageManager.INSTALL_SUCCEEDED) { 12397 cleanUp(); 12398 } 12399 return status; 12400 } 12401 12402 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 12403 if (status != PackageManager.INSTALL_SUCCEEDED) { 12404 cleanUp(); 12405 return false; 12406 } 12407 12408 final File targetDir = codeFile.getParentFile(); 12409 final File beforeCodeFile = codeFile; 12410 final File afterCodeFile = getNextCodePath(targetDir, pkg.packageName); 12411 12412 if (DEBUG_INSTALL) Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 12413 try { 12414 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 12415 } catch (ErrnoException e) { 12416 Slog.w(TAG, "Failed to rename", e); 12417 return false; 12418 } 12419 12420 if (!SELinux.restoreconRecursive(afterCodeFile)) { 12421 Slog.w(TAG, "Failed to restorecon"); 12422 return false; 12423 } 12424 12425 // Reflect the rename internally 12426 codeFile = afterCodeFile; 12427 resourceFile = afterCodeFile; 12428 12429 // Reflect the rename in scanned details 12430 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 12431 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 12432 afterCodeFile, pkg.baseCodePath)); 12433 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 12434 afterCodeFile, pkg.splitCodePaths)); 12435 12436 // Reflect the rename in app info 12437 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 12438 pkg.setApplicationInfoCodePath(pkg.codePath); 12439 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 12440 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 12441 pkg.setApplicationInfoResourcePath(pkg.codePath); 12442 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 12443 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 12444 12445 return true; 12446 } 12447 12448 int doPostInstall(int status, int uid) { 12449 if (status != PackageManager.INSTALL_SUCCEEDED) { 12450 cleanUp(); 12451 } 12452 return status; 12453 } 12454 12455 @Override 12456 String getCodePath() { 12457 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 12458 } 12459 12460 @Override 12461 String getResourcePath() { 12462 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 12463 } 12464 12465 private boolean cleanUp() { 12466 if (codeFile == null || !codeFile.exists()) { 12467 return false; 12468 } 12469 12470 removeCodePathLI(codeFile); 12471 12472 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 12473 resourceFile.delete(); 12474 } 12475 12476 return true; 12477 } 12478 12479 void cleanUpResourcesLI() { 12480 // Try enumerating all code paths before deleting 12481 List<String> allCodePaths = Collections.EMPTY_LIST; 12482 if (codeFile != null && codeFile.exists()) { 12483 try { 12484 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 12485 allCodePaths = pkg.getAllCodePaths(); 12486 } catch (PackageParserException e) { 12487 // Ignored; we tried our best 12488 } 12489 } 12490 12491 cleanUp(); 12492 removeDexFiles(allCodePaths, instructionSets); 12493 } 12494 12495 boolean doPostDeleteLI(boolean delete) { 12496 // XXX err, shouldn't we respect the delete flag? 12497 cleanUpResourcesLI(); 12498 return true; 12499 } 12500 } 12501 12502 private boolean isAsecExternal(String cid) { 12503 final String asecPath = PackageHelper.getSdFilesystem(cid); 12504 return !asecPath.startsWith(mAsecInternalPath); 12505 } 12506 12507 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 12508 PackageManagerException { 12509 if (copyRet < 0) { 12510 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 12511 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 12512 throw new PackageManagerException(copyRet, message); 12513 } 12514 } 12515 } 12516 12517 /** 12518 * Extract the MountService "container ID" from the full code path of an 12519 * .apk. 12520 */ 12521 static String cidFromCodePath(String fullCodePath) { 12522 int eidx = fullCodePath.lastIndexOf("/"); 12523 String subStr1 = fullCodePath.substring(0, eidx); 12524 int sidx = subStr1.lastIndexOf("/"); 12525 return subStr1.substring(sidx+1, eidx); 12526 } 12527 12528 /** 12529 * Logic to handle installation of ASEC applications, including copying and 12530 * renaming logic. 12531 */ 12532 class AsecInstallArgs extends InstallArgs { 12533 static final String RES_FILE_NAME = "pkg.apk"; 12534 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 12535 12536 String cid; 12537 String packagePath; 12538 String resourcePath; 12539 12540 /** New install */ 12541 AsecInstallArgs(InstallParams params) { 12542 super(params.origin, params.move, params.observer, params.installFlags, 12543 params.installerPackageName, params.volumeUuid, 12544 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 12545 params.grantedRuntimePermissions, 12546 params.traceMethod, params.traceCookie); 12547 } 12548 12549 /** Existing install */ 12550 AsecInstallArgs(String fullCodePath, String[] instructionSets, 12551 boolean isExternal, boolean isForwardLocked) { 12552 super(OriginInfo.fromNothing(), null, null, (isExternal ? INSTALL_EXTERNAL : 0) 12553 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 12554 instructionSets, null, null, null, 0); 12555 // Hackily pretend we're still looking at a full code path 12556 if (!fullCodePath.endsWith(RES_FILE_NAME)) { 12557 fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath(); 12558 } 12559 12560 // Extract cid from fullCodePath 12561 int eidx = fullCodePath.lastIndexOf("/"); 12562 String subStr1 = fullCodePath.substring(0, eidx); 12563 int sidx = subStr1.lastIndexOf("/"); 12564 cid = subStr1.substring(sidx+1, eidx); 12565 setMountPath(subStr1); 12566 } 12567 12568 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) { 12569 super(OriginInfo.fromNothing(), null, null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 12570 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 12571 instructionSets, null, null, null, 0); 12572 this.cid = cid; 12573 setMountPath(PackageHelper.getSdDir(cid)); 12574 } 12575 12576 void createCopyFile() { 12577 cid = mInstallerService.allocateExternalStageCidLegacy(); 12578 } 12579 12580 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 12581 if (origin.staged && origin.cid != null) { 12582 if (DEBUG_INSTALL) Slog.d(TAG, origin.cid + " already staged; skipping copy"); 12583 cid = origin.cid; 12584 setMountPath(PackageHelper.getSdDir(cid)); 12585 return PackageManager.INSTALL_SUCCEEDED; 12586 } 12587 12588 if (temp) { 12589 createCopyFile(); 12590 } else { 12591 /* 12592 * Pre-emptively destroy the container since it's destroyed if 12593 * copying fails due to it existing anyway. 12594 */ 12595 PackageHelper.destroySdDir(cid); 12596 } 12597 12598 final String newMountPath = imcs.copyPackageToContainer( 12599 origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternalAsec(), 12600 isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */)); 12601 12602 if (newMountPath != null) { 12603 setMountPath(newMountPath); 12604 return PackageManager.INSTALL_SUCCEEDED; 12605 } else { 12606 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 12607 } 12608 } 12609 12610 @Override 12611 String getCodePath() { 12612 return packagePath; 12613 } 12614 12615 @Override 12616 String getResourcePath() { 12617 return resourcePath; 12618 } 12619 12620 int doPreInstall(int status) { 12621 if (status != PackageManager.INSTALL_SUCCEEDED) { 12622 // Destroy container 12623 PackageHelper.destroySdDir(cid); 12624 } else { 12625 boolean mounted = PackageHelper.isContainerMounted(cid); 12626 if (!mounted) { 12627 String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(), 12628 Process.SYSTEM_UID); 12629 if (newMountPath != null) { 12630 setMountPath(newMountPath); 12631 } else { 12632 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 12633 } 12634 } 12635 } 12636 return status; 12637 } 12638 12639 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 12640 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 12641 String newMountPath = null; 12642 if (PackageHelper.isContainerMounted(cid)) { 12643 // Unmount the container 12644 if (!PackageHelper.unMountSdDir(cid)) { 12645 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 12646 return false; 12647 } 12648 } 12649 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 12650 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 12651 " which might be stale. Will try to clean up."); 12652 // Clean up the stale container and proceed to recreate. 12653 if (!PackageHelper.destroySdDir(newCacheId)) { 12654 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 12655 return false; 12656 } 12657 // Successfully cleaned up stale container. Try to rename again. 12658 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 12659 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 12660 + " inspite of cleaning it up."); 12661 return false; 12662 } 12663 } 12664 if (!PackageHelper.isContainerMounted(newCacheId)) { 12665 Slog.w(TAG, "Mounting container " + newCacheId); 12666 newMountPath = PackageHelper.mountSdDir(newCacheId, 12667 getEncryptKey(), Process.SYSTEM_UID); 12668 } else { 12669 newMountPath = PackageHelper.getSdDir(newCacheId); 12670 } 12671 if (newMountPath == null) { 12672 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 12673 return false; 12674 } 12675 Log.i(TAG, "Succesfully renamed " + cid + 12676 " to " + newCacheId + 12677 " at new path: " + newMountPath); 12678 cid = newCacheId; 12679 12680 final File beforeCodeFile = new File(packagePath); 12681 setMountPath(newMountPath); 12682 final File afterCodeFile = new File(packagePath); 12683 12684 // Reflect the rename in scanned details 12685 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 12686 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 12687 afterCodeFile, pkg.baseCodePath)); 12688 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 12689 afterCodeFile, pkg.splitCodePaths)); 12690 12691 // Reflect the rename in app info 12692 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 12693 pkg.setApplicationInfoCodePath(pkg.codePath); 12694 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 12695 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 12696 pkg.setApplicationInfoResourcePath(pkg.codePath); 12697 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 12698 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 12699 12700 return true; 12701 } 12702 12703 private void setMountPath(String mountPath) { 12704 final File mountFile = new File(mountPath); 12705 12706 final File monolithicFile = new File(mountFile, RES_FILE_NAME); 12707 if (monolithicFile.exists()) { 12708 packagePath = monolithicFile.getAbsolutePath(); 12709 if (isFwdLocked()) { 12710 resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath(); 12711 } else { 12712 resourcePath = packagePath; 12713 } 12714 } else { 12715 packagePath = mountFile.getAbsolutePath(); 12716 resourcePath = packagePath; 12717 } 12718 } 12719 12720 int doPostInstall(int status, int uid) { 12721 if (status != PackageManager.INSTALL_SUCCEEDED) { 12722 cleanUp(); 12723 } else { 12724 final int groupOwner; 12725 final String protectedFile; 12726 if (isFwdLocked()) { 12727 groupOwner = UserHandle.getSharedAppGid(uid); 12728 protectedFile = RES_FILE_NAME; 12729 } else { 12730 groupOwner = -1; 12731 protectedFile = null; 12732 } 12733 12734 if (uid < Process.FIRST_APPLICATION_UID 12735 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 12736 Slog.e(TAG, "Failed to finalize " + cid); 12737 PackageHelper.destroySdDir(cid); 12738 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 12739 } 12740 12741 boolean mounted = PackageHelper.isContainerMounted(cid); 12742 if (!mounted) { 12743 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 12744 } 12745 } 12746 return status; 12747 } 12748 12749 private void cleanUp() { 12750 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 12751 12752 // Destroy secure container 12753 PackageHelper.destroySdDir(cid); 12754 } 12755 12756 private List<String> getAllCodePaths() { 12757 final File codeFile = new File(getCodePath()); 12758 if (codeFile != null && codeFile.exists()) { 12759 try { 12760 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 12761 return pkg.getAllCodePaths(); 12762 } catch (PackageParserException e) { 12763 // Ignored; we tried our best 12764 } 12765 } 12766 return Collections.EMPTY_LIST; 12767 } 12768 12769 void cleanUpResourcesLI() { 12770 // Enumerate all code paths before deleting 12771 cleanUpResourcesLI(getAllCodePaths()); 12772 } 12773 12774 private void cleanUpResourcesLI(List<String> allCodePaths) { 12775 cleanUp(); 12776 removeDexFiles(allCodePaths, instructionSets); 12777 } 12778 12779 String getPackageName() { 12780 return getAsecPackageName(cid); 12781 } 12782 12783 boolean doPostDeleteLI(boolean delete) { 12784 if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete); 12785 final List<String> allCodePaths = getAllCodePaths(); 12786 boolean mounted = PackageHelper.isContainerMounted(cid); 12787 if (mounted) { 12788 // Unmount first 12789 if (PackageHelper.unMountSdDir(cid)) { 12790 mounted = false; 12791 } 12792 } 12793 if (!mounted && delete) { 12794 cleanUpResourcesLI(allCodePaths); 12795 } 12796 return !mounted; 12797 } 12798 12799 @Override 12800 int doPreCopy() { 12801 if (isFwdLocked()) { 12802 if (!PackageHelper.fixSdPermissions(cid, getPackageUid(DEFAULT_CONTAINER_PACKAGE, 12803 MATCH_SYSTEM_ONLY, UserHandle.USER_SYSTEM), RES_FILE_NAME)) { 12804 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 12805 } 12806 } 12807 12808 return PackageManager.INSTALL_SUCCEEDED; 12809 } 12810 12811 @Override 12812 int doPostCopy(int uid) { 12813 if (isFwdLocked()) { 12814 if (uid < Process.FIRST_APPLICATION_UID 12815 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 12816 RES_FILE_NAME)) { 12817 Slog.e(TAG, "Failed to finalize " + cid); 12818 PackageHelper.destroySdDir(cid); 12819 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 12820 } 12821 } 12822 12823 return PackageManager.INSTALL_SUCCEEDED; 12824 } 12825 } 12826 12827 /** 12828 * Logic to handle movement of existing installed applications. 12829 */ 12830 class MoveInstallArgs extends InstallArgs { 12831 private File codeFile; 12832 private File resourceFile; 12833 12834 /** New install */ 12835 MoveInstallArgs(InstallParams params) { 12836 super(params.origin, params.move, params.observer, params.installFlags, 12837 params.installerPackageName, params.volumeUuid, 12838 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 12839 params.grantedRuntimePermissions, 12840 params.traceMethod, params.traceCookie); 12841 } 12842 12843 int copyApk(IMediaContainerService imcs, boolean temp) { 12844 if (DEBUG_INSTALL) Slog.d(TAG, "Moving " + move.packageName + " from " 12845 + move.fromUuid + " to " + move.toUuid); 12846 synchronized (mInstaller) { 12847 try { 12848 mInstaller.moveCompleteApp(move.fromUuid, move.toUuid, move.packageName, 12849 move.dataAppName, move.appId, move.seinfo, move.targetSdkVersion); 12850 } catch (InstallerException e) { 12851 Slog.w(TAG, "Failed to move app", e); 12852 return PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 12853 } 12854 } 12855 12856 codeFile = new File(Environment.getDataAppDirectory(move.toUuid), move.dataAppName); 12857 resourceFile = codeFile; 12858 if (DEBUG_INSTALL) Slog.d(TAG, "codeFile after move is " + codeFile); 12859 12860 return PackageManager.INSTALL_SUCCEEDED; 12861 } 12862 12863 int doPreInstall(int status) { 12864 if (status != PackageManager.INSTALL_SUCCEEDED) { 12865 cleanUp(move.toUuid); 12866 } 12867 return status; 12868 } 12869 12870 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 12871 if (status != PackageManager.INSTALL_SUCCEEDED) { 12872 cleanUp(move.toUuid); 12873 return false; 12874 } 12875 12876 // Reflect the move in app info 12877 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 12878 pkg.setApplicationInfoCodePath(pkg.codePath); 12879 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 12880 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 12881 pkg.setApplicationInfoResourcePath(pkg.codePath); 12882 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 12883 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 12884 12885 return true; 12886 } 12887 12888 int doPostInstall(int status, int uid) { 12889 if (status == PackageManager.INSTALL_SUCCEEDED) { 12890 cleanUp(move.fromUuid); 12891 } else { 12892 cleanUp(move.toUuid); 12893 } 12894 return status; 12895 } 12896 12897 @Override 12898 String getCodePath() { 12899 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 12900 } 12901 12902 @Override 12903 String getResourcePath() { 12904 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 12905 } 12906 12907 private boolean cleanUp(String volumeUuid) { 12908 final File codeFile = new File(Environment.getDataAppDirectory(volumeUuid), 12909 move.dataAppName); 12910 Slog.d(TAG, "Cleaning up " + move.packageName + " on " + volumeUuid); 12911 synchronized (mInstallLock) { 12912 // Clean up both app data and code 12913 removeDataDirsLI(volumeUuid, move.packageName); 12914 removeCodePathLI(codeFile); 12915 } 12916 return true; 12917 } 12918 12919 void cleanUpResourcesLI() { 12920 throw new UnsupportedOperationException(); 12921 } 12922 12923 boolean doPostDeleteLI(boolean delete) { 12924 throw new UnsupportedOperationException(); 12925 } 12926 } 12927 12928 static String getAsecPackageName(String packageCid) { 12929 int idx = packageCid.lastIndexOf("-"); 12930 if (idx == -1) { 12931 return packageCid; 12932 } 12933 return packageCid.substring(0, idx); 12934 } 12935 12936 // Utility method used to create code paths based on package name and available index. 12937 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 12938 String idxStr = ""; 12939 int idx = 1; 12940 // Fall back to default value of idx=1 if prefix is not 12941 // part of oldCodePath 12942 if (oldCodePath != null) { 12943 String subStr = oldCodePath; 12944 // Drop the suffix right away 12945 if (suffix != null && subStr.endsWith(suffix)) { 12946 subStr = subStr.substring(0, subStr.length() - suffix.length()); 12947 } 12948 // If oldCodePath already contains prefix find out the 12949 // ending index to either increment or decrement. 12950 int sidx = subStr.lastIndexOf(prefix); 12951 if (sidx != -1) { 12952 subStr = subStr.substring(sidx + prefix.length()); 12953 if (subStr != null) { 12954 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 12955 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 12956 } 12957 try { 12958 idx = Integer.parseInt(subStr); 12959 if (idx <= 1) { 12960 idx++; 12961 } else { 12962 idx--; 12963 } 12964 } catch(NumberFormatException e) { 12965 } 12966 } 12967 } 12968 } 12969 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 12970 return prefix + idxStr; 12971 } 12972 12973 private File getNextCodePath(File targetDir, String packageName) { 12974 int suffix = 1; 12975 File result; 12976 do { 12977 result = new File(targetDir, packageName + "-" + suffix); 12978 suffix++; 12979 } while (result.exists()); 12980 return result; 12981 } 12982 12983 // Utility method that returns the relative package path with respect 12984 // to the installation directory. Like say for /data/data/com.test-1.apk 12985 // string com.test-1 is returned. 12986 static String deriveCodePathName(String codePath) { 12987 if (codePath == null) { 12988 return null; 12989 } 12990 final File codeFile = new File(codePath); 12991 final String name = codeFile.getName(); 12992 if (codeFile.isDirectory()) { 12993 return name; 12994 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 12995 final int lastDot = name.lastIndexOf('.'); 12996 return name.substring(0, lastDot); 12997 } else { 12998 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 12999 return null; 13000 } 13001 } 13002 13003 static class PackageInstalledInfo { 13004 String name; 13005 int uid; 13006 // The set of users that originally had this package installed. 13007 int[] origUsers; 13008 // The set of users that now have this package installed. 13009 int[] newUsers; 13010 PackageParser.Package pkg; 13011 int returnCode; 13012 String returnMsg; 13013 PackageRemovedInfo removedInfo; 13014 ArrayMap<String, PackageInstalledInfo> addedChildPackages; 13015 13016 public void setError(int code, String msg) { 13017 setReturnCode(code); 13018 setReturnMessage(msg); 13019 Slog.w(TAG, msg); 13020 } 13021 13022 public void setError(String msg, PackageParserException e) { 13023 setReturnCode(e.error); 13024 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 13025 Slog.w(TAG, msg, e); 13026 } 13027 13028 public void setError(String msg, PackageManagerException e) { 13029 returnCode = e.error; 13030 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 13031 Slog.w(TAG, msg, e); 13032 } 13033 13034 public void setReturnCode(int returnCode) { 13035 this.returnCode = returnCode; 13036 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 13037 for (int i = 0; i < childCount; i++) { 13038 addedChildPackages.valueAt(i).returnCode = returnCode; 13039 } 13040 } 13041 13042 private void setReturnMessage(String returnMsg) { 13043 this.returnMsg = returnMsg; 13044 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 13045 for (int i = 0; i < childCount; i++) { 13046 addedChildPackages.valueAt(i).returnMsg = returnMsg; 13047 } 13048 } 13049 13050 // In some error cases we want to convey more info back to the observer 13051 String origPackage; 13052 String origPermission; 13053 } 13054 13055 /* 13056 * Install a non-existing package. 13057 */ 13058 private void installNewPackageLI(PackageParser.Package pkg, int parseFlags, int scanFlags, 13059 UserHandle user, String installerPackageName, String volumeUuid, 13060 PackageInstalledInfo res) { 13061 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installNewPackage"); 13062 13063 // Remember this for later, in case we need to rollback this install 13064 String pkgName = pkg.packageName; 13065 13066 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 13067 13068 synchronized(mPackages) { 13069 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 13070 // A package with the same name is already installed, though 13071 // it has been renamed to an older name. The package we 13072 // are trying to install should be installed as an update to 13073 // the existing one, but that has not been requested, so bail. 13074 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 13075 + " without first uninstalling package running as " 13076 + mSettings.mRenamedPackages.get(pkgName)); 13077 return; 13078 } 13079 if (mPackages.containsKey(pkgName)) { 13080 // Don't allow installation over an existing package with the same name. 13081 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 13082 + " without first uninstalling."); 13083 return; 13084 } 13085 } 13086 13087 try { 13088 PackageParser.Package newPackage = scanPackageTracedLI(pkg, parseFlags, scanFlags, 13089 System.currentTimeMillis(), user); 13090 13091 updateSettingsLI(newPackage, installerPackageName, null, res, user); 13092 13093 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 13094 prepareAppDataAfterInstall(newPackage); 13095 13096 } else { 13097 // Remove package from internal structures, but keep around any 13098 // data that might have already existed 13099 deletePackageLI(pkgName, UserHandle.ALL, false, null, 13100 PackageManager.DELETE_KEEP_DATA, res.removedInfo, true, null); 13101 } 13102 } catch (PackageManagerException e) { 13103 res.setError("Package couldn't be installed in " + pkg.codePath, e); 13104 } 13105 13106 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13107 } 13108 13109 private boolean shouldCheckUpgradeKeySetLP(PackageSetting oldPs, int scanFlags) { 13110 // Can't rotate keys during boot or if sharedUser. 13111 if (oldPs == null || (scanFlags&SCAN_INITIAL) != 0 || oldPs.sharedUser != null 13112 || !oldPs.keySetData.isUsingUpgradeKeySets()) { 13113 return false; 13114 } 13115 // app is using upgradeKeySets; make sure all are valid 13116 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13117 long[] upgradeKeySets = oldPs.keySetData.getUpgradeKeySets(); 13118 for (int i = 0; i < upgradeKeySets.length; i++) { 13119 if (!ksms.isIdValidKeySetId(upgradeKeySets[i])) { 13120 Slog.wtf(TAG, "Package " 13121 + (oldPs.name != null ? oldPs.name : "<null>") 13122 + " contains upgrade-key-set reference to unknown key-set: " 13123 + upgradeKeySets[i] 13124 + " reverting to signatures check."); 13125 return false; 13126 } 13127 } 13128 return true; 13129 } 13130 13131 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 13132 // Upgrade keysets are being used. Determine if new package has a superset of the 13133 // required keys. 13134 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 13135 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13136 for (int i = 0; i < upgradeKeySets.length; i++) { 13137 Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); 13138 if (upgradeSet != null && newPkg.mSigningKeys.containsAll(upgradeSet)) { 13139 return true; 13140 } 13141 } 13142 return false; 13143 } 13144 13145 private void replacePackageLI(PackageParser.Package pkg, int parseFlags, int scanFlags, 13146 UserHandle user, String installerPackageName, PackageInstalledInfo res) { 13147 final boolean isEphemeral = (parseFlags & PackageParser.PARSE_IS_EPHEMERAL) != 0; 13148 13149 final PackageParser.Package oldPackage; 13150 final String pkgName = pkg.packageName; 13151 final int[] allUsers; 13152 final boolean weFroze; 13153 13154 // First find the old package info and check signatures 13155 synchronized(mPackages) { 13156 oldPackage = mPackages.get(pkgName); 13157 final boolean oldIsEphemeral = oldPackage.applicationInfo.isEphemeralApp(); 13158 if (isEphemeral && !oldIsEphemeral) { 13159 // can't downgrade from full to ephemeral 13160 Slog.w(TAG, "Can't replace app with ephemeral: " + pkgName); 13161 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 13162 return; 13163 } 13164 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 13165 final PackageSetting ps = mSettings.mPackages.get(pkgName); 13166 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 13167 if (!checkUpgradeKeySetLP(ps, pkg)) { 13168 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 13169 "New package not signed by keys specified by upgrade-keysets: " 13170 + pkgName); 13171 return; 13172 } 13173 } else { 13174 // default to original signature matching 13175 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 13176 != PackageManager.SIGNATURE_MATCH) { 13177 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 13178 "New package has a different signature: " + pkgName); 13179 return; 13180 } 13181 } 13182 13183 // In case of rollback, remember per-user/profile install state 13184 allUsers = sUserManager.getUserIds(); 13185 13186 // Mark the app as frozen to prevent launching during the upgrade 13187 // process, and then kill all running instances 13188 if (!ps.frozen) { 13189 ps.frozen = true; 13190 weFroze = true; 13191 } else { 13192 weFroze = false; 13193 } 13194 } 13195 13196 try { 13197 replacePackageDirtyLI(pkg, oldPackage, parseFlags, scanFlags, user, allUsers, 13198 installerPackageName, res); 13199 } finally { 13200 // Regardless of success or failure of upgrade steps above, always 13201 // unfreeze the package if we froze it 13202 if (weFroze) { 13203 unfreezePackage(pkgName); 13204 } 13205 } 13206 } 13207 13208 private void replacePackageDirtyLI(PackageParser.Package pkg, PackageParser.Package oldPackage, 13209 int parseFlags, int scanFlags, UserHandle user, int[] allUsers, 13210 String installerPackageName, PackageInstalledInfo res) { 13211 // Update what is removed 13212 res.removedInfo = new PackageRemovedInfo(); 13213 res.removedInfo.uid = oldPackage.applicationInfo.uid; 13214 res.removedInfo.removedPackage = oldPackage.packageName; 13215 res.removedInfo.isUpdate = true; 13216 final int childCount = (oldPackage.childPackages != null) 13217 ? oldPackage.childPackages.size() : 0; 13218 for (int i = 0; i < childCount; i++) { 13219 boolean childPackageUpdated = false; 13220 PackageParser.Package childPkg = oldPackage.childPackages.get(i); 13221 if (res.addedChildPackages != null) { 13222 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 13223 if (childRes != null) { 13224 childRes.removedInfo.uid = childPkg.applicationInfo.uid; 13225 childRes.removedInfo.removedPackage = childPkg.packageName; 13226 childRes.removedInfo.isUpdate = true; 13227 childPackageUpdated = true; 13228 } 13229 } 13230 if (!childPackageUpdated) { 13231 PackageRemovedInfo childRemovedRes = new PackageRemovedInfo(); 13232 childRemovedRes.removedPackage = childPkg.packageName; 13233 childRemovedRes.isUpdate = false; 13234 childRemovedRes.dataRemoved = true; 13235 synchronized (mPackages) { 13236 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 13237 if (childPs != null) { 13238 childRemovedRes.origUsers = childPs.queryInstalledUsers(allUsers, true); 13239 } 13240 } 13241 if (res.removedInfo.removedChildPackages == null) { 13242 res.removedInfo.removedChildPackages = new ArrayMap<>(); 13243 } 13244 res.removedInfo.removedChildPackages.put(childPkg.packageName, childRemovedRes); 13245 } 13246 } 13247 13248 boolean sysPkg = (isSystemApp(oldPackage)); 13249 if (sysPkg) { 13250 replaceSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags, 13251 user, allUsers, installerPackageName, res); 13252 } else { 13253 replaceNonSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags, 13254 user, allUsers, installerPackageName, res); 13255 } 13256 } 13257 13258 public List<String> getPreviousCodePaths(String packageName) { 13259 final PackageSetting ps = mSettings.mPackages.get(packageName); 13260 final List<String> result = new ArrayList<String>(); 13261 if (ps != null && ps.oldCodePaths != null) { 13262 result.addAll(ps.oldCodePaths); 13263 } 13264 return result; 13265 } 13266 13267 private void replaceNonSystemPackageLI(PackageParser.Package deletedPackage, 13268 PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user, 13269 int[] allUsers, String installerPackageName, PackageInstalledInfo res) { 13270 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 13271 + deletedPackage); 13272 13273 String pkgName = deletedPackage.packageName; 13274 boolean deletedPkg = true; 13275 boolean addedPkg = false; 13276 boolean updatedSettings = false; 13277 final boolean killApp = (scanFlags & SCAN_DONT_KILL_APP) == 0; 13278 final int deleteFlags = PackageManager.DELETE_KEEP_DATA 13279 | (killApp ? 0 : PackageManager.DELETE_DONT_KILL_APP); 13280 13281 final long origUpdateTime = (pkg.mExtras != null) 13282 ? ((PackageSetting)pkg.mExtras).lastUpdateTime : 0; 13283 13284 // First delete the existing package while retaining the data directory 13285 if (!deletePackageLI(pkgName, null, true, allUsers, deleteFlags, 13286 res.removedInfo, true, pkg)) { 13287 // If the existing package wasn't successfully deleted 13288 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 13289 deletedPkg = false; 13290 } else { 13291 // Successfully deleted the old package; proceed with replace. 13292 13293 // If deleted package lived in a container, give users a chance to 13294 // relinquish resources before killing. 13295 if (deletedPackage.isForwardLocked() || isExternal(deletedPackage)) { 13296 if (DEBUG_INSTALL) { 13297 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 13298 } 13299 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 13300 final ArrayList<String> pkgList = new ArrayList<String>(1); 13301 pkgList.add(deletedPackage.applicationInfo.packageName); 13302 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 13303 } 13304 13305 deleteCodeCacheDirsLI(pkg); 13306 deleteProfilesLI(pkg, /*destroy*/ false); 13307 13308 try { 13309 final PackageParser.Package newPackage = scanPackageTracedLI(pkg, parseFlags, 13310 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 13311 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user); 13312 13313 // Update the in-memory copy of the previous code paths. 13314 PackageSetting ps = mSettings.mPackages.get(pkgName); 13315 if (!killApp) { 13316 if (ps.oldCodePaths == null) { 13317 ps.oldCodePaths = new ArraySet<>(); 13318 } 13319 Collections.addAll(ps.oldCodePaths, deletedPackage.baseCodePath); 13320 if (deletedPackage.splitCodePaths != null) { 13321 Collections.addAll(ps.oldCodePaths, deletedPackage.splitCodePaths); 13322 } 13323 } else { 13324 ps.oldCodePaths = null; 13325 } 13326 if (ps.childPackageNames != null) { 13327 for (int i = ps.childPackageNames.size() - 1; i >= 0; --i) { 13328 final String childPkgName = ps.childPackageNames.get(i); 13329 final PackageSetting childPs = mSettings.mPackages.get(childPkgName); 13330 childPs.oldCodePaths = ps.oldCodePaths; 13331 } 13332 } 13333 prepareAppDataAfterInstall(newPackage); 13334 addedPkg = true; 13335 } catch (PackageManagerException e) { 13336 res.setError("Package couldn't be installed in " + pkg.codePath, e); 13337 } 13338 } 13339 13340 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 13341 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 13342 13343 // Revert all internal state mutations and added folders for the failed install 13344 if (addedPkg) { 13345 deletePackageLI(pkgName, null, true, allUsers, deleteFlags, 13346 res.removedInfo, true, null); 13347 } 13348 13349 // Restore the old package 13350 if (deletedPkg) { 13351 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 13352 File restoreFile = new File(deletedPackage.codePath); 13353 // Parse old package 13354 boolean oldExternal = isExternal(deletedPackage); 13355 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 13356 (deletedPackage.isForwardLocked() ? PackageParser.PARSE_FORWARD_LOCK : 0) | 13357 (oldExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0); 13358 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 13359 try { 13360 scanPackageTracedLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, 13361 null); 13362 } catch (PackageManagerException e) { 13363 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 13364 + e.getMessage()); 13365 return; 13366 } 13367 13368 synchronized (mPackages) { 13369 // Ensure the installer package name up to date 13370 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 13371 13372 // Update permissions for restored package 13373 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 13374 13375 mSettings.writeLPr(); 13376 } 13377 13378 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 13379 } 13380 } else { 13381 synchronized (mPackages) { 13382 PackageSetting ps = mSettings.peekPackageLPr(pkg.packageName); 13383 if (ps != null) { 13384 res.removedInfo.removedForAllUsers = mPackages.get(ps.name) == null; 13385 if (res.removedInfo.removedChildPackages != null) { 13386 final int childCount = res.removedInfo.removedChildPackages.size(); 13387 // Iterate in reverse as we may modify the collection 13388 for (int i = childCount - 1; i >= 0; i--) { 13389 String childPackageName = res.removedInfo.removedChildPackages.keyAt(i); 13390 if (res.addedChildPackages.containsKey(childPackageName)) { 13391 res.removedInfo.removedChildPackages.removeAt(i); 13392 } else { 13393 PackageRemovedInfo childInfo = res.removedInfo 13394 .removedChildPackages.valueAt(i); 13395 childInfo.removedForAllUsers = mPackages.get( 13396 childInfo.removedPackage) == null; 13397 } 13398 } 13399 } 13400 } 13401 } 13402 } 13403 } 13404 13405 private void replaceSystemPackageLI(PackageParser.Package deletedPackage, 13406 PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user, 13407 int[] allUsers, String installerPackageName, PackageInstalledInfo res) { 13408 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 13409 + ", old=" + deletedPackage); 13410 13411 final boolean disabledSystem; 13412 13413 // Set the system/privileged flags as needed 13414 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 13415 if ((deletedPackage.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) 13416 != 0) { 13417 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 13418 } 13419 13420 // Kill package processes including services, providers, etc. 13421 killPackage(deletedPackage, "replace sys pkg"); 13422 13423 // Remove existing system package 13424 removePackageLI(deletedPackage, true); 13425 13426 disabledSystem = disableSystemPackageLPw(deletedPackage, pkg); 13427 if (!disabledSystem) { 13428 // We didn't need to disable the .apk as a current system package, 13429 // which means we are replacing another update that is already 13430 // installed. We need to make sure to delete the older one's .apk. 13431 res.removedInfo.args = createInstallArgsForExisting(0, 13432 deletedPackage.applicationInfo.getCodePath(), 13433 deletedPackage.applicationInfo.getResourcePath(), 13434 getAppDexInstructionSets(deletedPackage.applicationInfo)); 13435 } else { 13436 res.removedInfo.args = null; 13437 } 13438 13439 // Successfully disabled the old package. Now proceed with re-installation 13440 deleteCodeCacheDirsLI(pkg); 13441 deleteProfilesLI(pkg, /*destroy*/ false); 13442 13443 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 13444 pkg.setApplicationInfoFlags(ApplicationInfo.FLAG_UPDATED_SYSTEM_APP, 13445 ApplicationInfo.FLAG_UPDATED_SYSTEM_APP); 13446 13447 PackageParser.Package newPackage = null; 13448 try { 13449 // Add the package to the internal data structures 13450 newPackage = scanPackageTracedLI(pkg, parseFlags, scanFlags, 0, user); 13451 13452 // Set the update and install times 13453 PackageSetting deletedPkgSetting = (PackageSetting) deletedPackage.mExtras; 13454 setInstallAndUpdateTime(newPackage, deletedPkgSetting.firstInstallTime, 13455 System.currentTimeMillis()); 13456 13457 // Check for shared user id changes 13458 String invalidPackageName = getParentOrChildPackageChangedSharedUser( 13459 deletedPackage, newPackage); 13460 if (invalidPackageName != null) { 13461 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 13462 "Forbidding shared user change from " + deletedPkgSetting.sharedUser 13463 + " to " + invalidPackageName); 13464 } 13465 13466 // Update the package dynamic state if succeeded 13467 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 13468 // Now that the install succeeded make sure we remove data 13469 // directories for any child package the update removed. 13470 final int deletedChildCount = (deletedPackage.childPackages != null) 13471 ? deletedPackage.childPackages.size() : 0; 13472 final int newChildCount = (newPackage.childPackages != null) 13473 ? newPackage.childPackages.size() : 0; 13474 for (int i = 0; i < deletedChildCount; i++) { 13475 PackageParser.Package deletedChildPkg = deletedPackage.childPackages.get(i); 13476 boolean childPackageDeleted = true; 13477 for (int j = 0; j < newChildCount; j++) { 13478 PackageParser.Package newChildPkg = newPackage.childPackages.get(j); 13479 if (deletedChildPkg.packageName.equals(newChildPkg.packageName)) { 13480 childPackageDeleted = false; 13481 break; 13482 } 13483 } 13484 if (childPackageDeleted) { 13485 PackageSetting ps = mSettings.getDisabledSystemPkgLPr( 13486 deletedChildPkg.packageName); 13487 if (ps != null && res.removedInfo.removedChildPackages != null) { 13488 PackageRemovedInfo removedChildRes = res.removedInfo 13489 .removedChildPackages.get(deletedChildPkg.packageName); 13490 removePackageDataLI(ps, allUsers, removedChildRes, 0, false); 13491 removedChildRes.removedForAllUsers = mPackages.get(ps.name) == null; 13492 } 13493 } 13494 } 13495 13496 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user); 13497 prepareAppDataAfterInstall(newPackage); 13498 } 13499 } catch (PackageManagerException e) { 13500 res.setReturnCode(INSTALL_FAILED_INTERNAL_ERROR); 13501 res.setError("Package couldn't be installed in " + pkg.codePath, e); 13502 } 13503 13504 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 13505 // Re installation failed. Restore old information 13506 // Remove new pkg information 13507 if (newPackage != null) { 13508 removeInstalledPackageLI(newPackage, true); 13509 } 13510 // Add back the old system package 13511 try { 13512 scanPackageTracedLI(deletedPackage, parseFlags, SCAN_UPDATE_SIGNATURE, 0, user); 13513 } catch (PackageManagerException e) { 13514 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 13515 } 13516 13517 synchronized (mPackages) { 13518 if (disabledSystem) { 13519 enableSystemPackageLPw(deletedPackage); 13520 } 13521 13522 // Ensure the installer package name up to date 13523 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 13524 13525 // Update permissions for restored package 13526 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 13527 13528 mSettings.writeLPr(); 13529 } 13530 13531 Slog.i(TAG, "Successfully restored package : " + deletedPackage.packageName 13532 + " after failed upgrade"); 13533 } 13534 } 13535 13536 /** 13537 * Checks whether the parent or any of the child packages have a change shared 13538 * user. For a package to be a valid update the shred users of the parent and 13539 * the children should match. We may later support changing child shared users. 13540 * @param oldPkg The updated package. 13541 * @param newPkg The update package. 13542 * @return The shared user that change between the versions. 13543 */ 13544 private String getParentOrChildPackageChangedSharedUser(PackageParser.Package oldPkg, 13545 PackageParser.Package newPkg) { 13546 // Check parent shared user 13547 if (!Objects.equals(oldPkg.mSharedUserId, newPkg.mSharedUserId)) { 13548 return newPkg.packageName; 13549 } 13550 // Check child shared users 13551 final int oldChildCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 13552 final int newChildCount = (newPkg.childPackages != null) ? newPkg.childPackages.size() : 0; 13553 for (int i = 0; i < newChildCount; i++) { 13554 PackageParser.Package newChildPkg = newPkg.childPackages.get(i); 13555 // If this child was present, did it have the same shared user? 13556 for (int j = 0; j < oldChildCount; j++) { 13557 PackageParser.Package oldChildPkg = oldPkg.childPackages.get(j); 13558 if (newChildPkg.packageName.equals(oldChildPkg.packageName) 13559 && !Objects.equals(newChildPkg.mSharedUserId, oldChildPkg.mSharedUserId)) { 13560 return newChildPkg.packageName; 13561 } 13562 } 13563 } 13564 return null; 13565 } 13566 13567 private void removeNativeBinariesLI(PackageSetting ps) { 13568 // Remove the lib path for the parent package 13569 if (ps != null) { 13570 NativeLibraryHelper.removeNativeBinariesLI(ps.legacyNativeLibraryPathString); 13571 // Remove the lib path for the child packages 13572 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 13573 for (int i = 0; i < childCount; i++) { 13574 PackageSetting childPs = null; 13575 synchronized (mPackages) { 13576 childPs = mSettings.peekPackageLPr(ps.childPackageNames.get(i)); 13577 } 13578 if (childPs != null) { 13579 NativeLibraryHelper.removeNativeBinariesLI(childPs 13580 .legacyNativeLibraryPathString); 13581 } 13582 } 13583 } 13584 } 13585 13586 private void enableSystemPackageLPw(PackageParser.Package pkg) { 13587 // Enable the parent package 13588 mSettings.enableSystemPackageLPw(pkg.packageName); 13589 // Enable the child packages 13590 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 13591 for (int i = 0; i < childCount; i++) { 13592 PackageParser.Package childPkg = pkg.childPackages.get(i); 13593 mSettings.enableSystemPackageLPw(childPkg.packageName); 13594 } 13595 } 13596 13597 private boolean disableSystemPackageLPw(PackageParser.Package oldPkg, 13598 PackageParser.Package newPkg) { 13599 // Disable the parent package (parent always replaced) 13600 boolean disabled = mSettings.disableSystemPackageLPw(oldPkg.packageName, true); 13601 // Disable the child packages 13602 final int childCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 13603 for (int i = 0; i < childCount; i++) { 13604 PackageParser.Package childPkg = oldPkg.childPackages.get(i); 13605 final boolean replace = newPkg.hasChildPackage(childPkg.packageName); 13606 disabled |= mSettings.disableSystemPackageLPw(childPkg.packageName, replace); 13607 } 13608 return disabled; 13609 } 13610 13611 private void setInstallerPackageNameLPw(PackageParser.Package pkg, 13612 String installerPackageName) { 13613 // Enable the parent package 13614 mSettings.setInstallerPackageName(pkg.packageName, installerPackageName); 13615 // Enable the child packages 13616 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 13617 for (int i = 0; i < childCount; i++) { 13618 PackageParser.Package childPkg = pkg.childPackages.get(i); 13619 mSettings.setInstallerPackageName(childPkg.packageName, installerPackageName); 13620 } 13621 } 13622 13623 private int[] revokeUnusedSharedUserPermissionsLPw(SharedUserSetting su, int[] allUserIds) { 13624 // Collect all used permissions in the UID 13625 ArraySet<String> usedPermissions = new ArraySet<>(); 13626 final int packageCount = su.packages.size(); 13627 for (int i = 0; i < packageCount; i++) { 13628 PackageSetting ps = su.packages.valueAt(i); 13629 if (ps.pkg == null) { 13630 continue; 13631 } 13632 final int requestedPermCount = ps.pkg.requestedPermissions.size(); 13633 for (int j = 0; j < requestedPermCount; j++) { 13634 String permission = ps.pkg.requestedPermissions.get(j); 13635 BasePermission bp = mSettings.mPermissions.get(permission); 13636 if (bp != null) { 13637 usedPermissions.add(permission); 13638 } 13639 } 13640 } 13641 13642 PermissionsState permissionsState = su.getPermissionsState(); 13643 // Prune install permissions 13644 List<PermissionState> installPermStates = permissionsState.getInstallPermissionStates(); 13645 final int installPermCount = installPermStates.size(); 13646 for (int i = installPermCount - 1; i >= 0; i--) { 13647 PermissionState permissionState = installPermStates.get(i); 13648 if (!usedPermissions.contains(permissionState.getName())) { 13649 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 13650 if (bp != null) { 13651 permissionsState.revokeInstallPermission(bp); 13652 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 13653 PackageManager.MASK_PERMISSION_FLAGS, 0); 13654 } 13655 } 13656 } 13657 13658 int[] runtimePermissionChangedUserIds = EmptyArray.INT; 13659 13660 // Prune runtime permissions 13661 for (int userId : allUserIds) { 13662 List<PermissionState> runtimePermStates = permissionsState 13663 .getRuntimePermissionStates(userId); 13664 final int runtimePermCount = runtimePermStates.size(); 13665 for (int i = runtimePermCount - 1; i >= 0; i--) { 13666 PermissionState permissionState = runtimePermStates.get(i); 13667 if (!usedPermissions.contains(permissionState.getName())) { 13668 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 13669 if (bp != null) { 13670 permissionsState.revokeRuntimePermission(bp, userId); 13671 permissionsState.updatePermissionFlags(bp, userId, 13672 PackageManager.MASK_PERMISSION_FLAGS, 0); 13673 runtimePermissionChangedUserIds = ArrayUtils.appendInt( 13674 runtimePermissionChangedUserIds, userId); 13675 } 13676 } 13677 } 13678 } 13679 13680 return runtimePermissionChangedUserIds; 13681 } 13682 13683 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 13684 int[] allUsers, PackageInstalledInfo res, UserHandle user) { 13685 // Update the parent package setting 13686 updateSettingsInternalLI(newPackage, installerPackageName, allUsers, res.origUsers, 13687 res, user); 13688 // Update the child packages setting 13689 final int childCount = (newPackage.childPackages != null) 13690 ? newPackage.childPackages.size() : 0; 13691 for (int i = 0; i < childCount; i++) { 13692 PackageParser.Package childPackage = newPackage.childPackages.get(i); 13693 PackageInstalledInfo childRes = res.addedChildPackages.get(childPackage.packageName); 13694 updateSettingsInternalLI(childPackage, installerPackageName, allUsers, 13695 childRes.origUsers, childRes, user); 13696 } 13697 } 13698 13699 private void updateSettingsInternalLI(PackageParser.Package newPackage, 13700 String installerPackageName, int[] allUsers, int[] installedForUsers, 13701 PackageInstalledInfo res, UserHandle user) { 13702 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 13703 13704 String pkgName = newPackage.packageName; 13705 synchronized (mPackages) { 13706 //write settings. the installStatus will be incomplete at this stage. 13707 //note that the new package setting would have already been 13708 //added to mPackages. It hasn't been persisted yet. 13709 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 13710 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 13711 mSettings.writeLPr(); 13712 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13713 } 13714 13715 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 13716 synchronized (mPackages) { 13717 updatePermissionsLPw(newPackage.packageName, newPackage, 13718 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 13719 ? UPDATE_PERMISSIONS_ALL : 0)); 13720 // For system-bundled packages, we assume that installing an upgraded version 13721 // of the package implies that the user actually wants to run that new code, 13722 // so we enable the package. 13723 PackageSetting ps = mSettings.mPackages.get(pkgName); 13724 final int userId = user.getIdentifier(); 13725 if (ps != null) { 13726 if (isSystemApp(newPackage)) { 13727 if (DEBUG_INSTALL) { 13728 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 13729 } 13730 // Enable system package for requested users 13731 if (res.origUsers != null) { 13732 for (int origUserId : res.origUsers) { 13733 if (userId == UserHandle.USER_ALL || userId == origUserId) { 13734 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 13735 origUserId, installerPackageName); 13736 } 13737 } 13738 } 13739 // Also convey the prior install/uninstall state 13740 if (allUsers != null && installedForUsers != null) { 13741 for (int currentUserId : allUsers) { 13742 final boolean installed = ArrayUtils.contains( 13743 installedForUsers, currentUserId); 13744 if (DEBUG_INSTALL) { 13745 Slog.d(TAG, " user " + currentUserId + " => " + installed); 13746 } 13747 ps.setInstalled(installed, currentUserId); 13748 } 13749 // these install state changes will be persisted in the 13750 // upcoming call to mSettings.writeLPr(). 13751 } 13752 } 13753 // It's implied that when a user requests installation, they want the app to be 13754 // installed and enabled. 13755 if (userId != UserHandle.USER_ALL) { 13756 ps.setInstalled(true, userId); 13757 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, userId, installerPackageName); 13758 } 13759 } 13760 res.name = pkgName; 13761 res.uid = newPackage.applicationInfo.uid; 13762 res.pkg = newPackage; 13763 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 13764 mSettings.setInstallerPackageName(pkgName, installerPackageName); 13765 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 13766 //to update install status 13767 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 13768 mSettings.writeLPr(); 13769 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13770 } 13771 13772 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13773 } 13774 13775 private void installPackageTracedLI(InstallArgs args, PackageInstalledInfo res) { 13776 try { 13777 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installPackage"); 13778 installPackageLI(args, res); 13779 } finally { 13780 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13781 } 13782 } 13783 13784 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 13785 final int installFlags = args.installFlags; 13786 final String installerPackageName = args.installerPackageName; 13787 final String volumeUuid = args.volumeUuid; 13788 final File tmpPackageFile = new File(args.getCodePath()); 13789 final boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 13790 final boolean onExternal = (((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) 13791 || (args.volumeUuid != null)); 13792 final boolean ephemeral = ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0); 13793 boolean replace = false; 13794 int scanFlags = SCAN_NEW_INSTALL | SCAN_UPDATE_SIGNATURE; 13795 if (args.move != null) { 13796 // moving a complete application; perform an initial scan on the new install location 13797 scanFlags |= SCAN_INITIAL; 13798 } 13799 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 13800 scanFlags |= SCAN_DONT_KILL_APP; 13801 } 13802 13803 // Result object to be returned 13804 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 13805 13806 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 13807 13808 // Sanity check 13809 if (ephemeral && (forwardLocked || onExternal)) { 13810 Slog.i(TAG, "Incompatible ephemeral install; fwdLocked=" + forwardLocked 13811 + " external=" + onExternal); 13812 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 13813 return; 13814 } 13815 13816 // Retrieve PackageSettings and parse package 13817 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 13818 | PackageParser.PARSE_ENFORCE_CODE 13819 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 13820 | (onExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0) 13821 | (ephemeral ? PackageParser.PARSE_IS_EPHEMERAL : 0); 13822 PackageParser pp = new PackageParser(); 13823 pp.setSeparateProcesses(mSeparateProcesses); 13824 pp.setDisplayMetrics(mMetrics); 13825 13826 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 13827 final PackageParser.Package pkg; 13828 try { 13829 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 13830 } catch (PackageParserException e) { 13831 res.setError("Failed parse during installPackageLI", e); 13832 return; 13833 } finally { 13834 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13835 } 13836 13837 // If we are installing a clustered package add results for the children 13838 if (pkg.childPackages != null) { 13839 synchronized (mPackages) { 13840 final int childCount = pkg.childPackages.size(); 13841 for (int i = 0; i < childCount; i++) { 13842 PackageParser.Package childPkg = pkg.childPackages.get(i); 13843 PackageInstalledInfo childRes = new PackageInstalledInfo(); 13844 childRes.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 13845 childRes.pkg = childPkg; 13846 childRes.name = childPkg.packageName; 13847 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 13848 if (childPs != null) { 13849 childRes.origUsers = childPs.queryInstalledUsers( 13850 sUserManager.getUserIds(), true); 13851 } 13852 if ((mPackages.containsKey(childPkg.packageName))) { 13853 childRes.removedInfo = new PackageRemovedInfo(); 13854 childRes.removedInfo.removedPackage = childPkg.packageName; 13855 } 13856 if (res.addedChildPackages == null) { 13857 res.addedChildPackages = new ArrayMap<>(); 13858 } 13859 res.addedChildPackages.put(childPkg.packageName, childRes); 13860 } 13861 } 13862 } 13863 13864 // If package doesn't declare API override, mark that we have an install 13865 // time CPU ABI override. 13866 if (TextUtils.isEmpty(pkg.cpuAbiOverride)) { 13867 pkg.cpuAbiOverride = args.abiOverride; 13868 } 13869 13870 String pkgName = res.name = pkg.packageName; 13871 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 13872 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 13873 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 13874 return; 13875 } 13876 } 13877 13878 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "collectCertificates"); 13879 try { 13880 PackageParser.collectCertificates(pkg, parseFlags); 13881 } catch (PackageParserException e) { 13882 res.setError("Failed collect during installPackageLI", e); 13883 return; 13884 } finally { 13885 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13886 } 13887 13888 // Get rid of all references to package scan path via parser. 13889 pp = null; 13890 String oldCodePath = null; 13891 boolean systemApp = false; 13892 synchronized (mPackages) { 13893 // Check if installing already existing package 13894 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 13895 String oldName = mSettings.mRenamedPackages.get(pkgName); 13896 if (pkg.mOriginalPackages != null 13897 && pkg.mOriginalPackages.contains(oldName) 13898 && mPackages.containsKey(oldName)) { 13899 // This package is derived from an original package, 13900 // and this device has been updating from that original 13901 // name. We must continue using the original name, so 13902 // rename the new package here. 13903 pkg.setPackageName(oldName); 13904 pkgName = pkg.packageName; 13905 replace = true; 13906 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 13907 + oldName + " pkgName=" + pkgName); 13908 } else if (mPackages.containsKey(pkgName)) { 13909 // This package, under its official name, already exists 13910 // on the device; we should replace it. 13911 replace = true; 13912 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 13913 } 13914 13915 // Child packages are installed through the parent package 13916 if (pkg.parentPackage != null) { 13917 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 13918 "Package " + pkg.packageName + " is child of package " 13919 + pkg.parentPackage.parentPackage + ". Child packages " 13920 + "can be updated only through the parent package."); 13921 return; 13922 } 13923 13924 if (replace) { 13925 // Prevent apps opting out from runtime permissions 13926 PackageParser.Package oldPackage = mPackages.get(pkgName); 13927 final int oldTargetSdk = oldPackage.applicationInfo.targetSdkVersion; 13928 final int newTargetSdk = pkg.applicationInfo.targetSdkVersion; 13929 if (oldTargetSdk > Build.VERSION_CODES.LOLLIPOP_MR1 13930 && newTargetSdk <= Build.VERSION_CODES.LOLLIPOP_MR1) { 13931 res.setError(PackageManager.INSTALL_FAILED_PERMISSION_MODEL_DOWNGRADE, 13932 "Package " + pkg.packageName + " new target SDK " + newTargetSdk 13933 + " doesn't support runtime permissions but the old" 13934 + " target SDK " + oldTargetSdk + " does."); 13935 return; 13936 } 13937 13938 // Prevent installing of child packages 13939 if (oldPackage.parentPackage != null) { 13940 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 13941 "Package " + pkg.packageName + " is child of package " 13942 + oldPackage.parentPackage + ". Child packages " 13943 + "can be updated only through the parent package."); 13944 return; 13945 } 13946 } 13947 } 13948 13949 PackageSetting ps = mSettings.mPackages.get(pkgName); 13950 if (ps != null) { 13951 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 13952 13953 // Quick sanity check that we're signed correctly if updating; 13954 // we'll check this again later when scanning, but we want to 13955 // bail early here before tripping over redefined permissions. 13956 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 13957 if (!checkUpgradeKeySetLP(ps, pkg)) { 13958 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 13959 + pkg.packageName + " upgrade keys do not match the " 13960 + "previously installed version"); 13961 return; 13962 } 13963 } else { 13964 try { 13965 verifySignaturesLP(ps, pkg); 13966 } catch (PackageManagerException e) { 13967 res.setError(e.error, e.getMessage()); 13968 return; 13969 } 13970 } 13971 13972 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 13973 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 13974 systemApp = (ps.pkg.applicationInfo.flags & 13975 ApplicationInfo.FLAG_SYSTEM) != 0; 13976 } 13977 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 13978 } 13979 13980 // Check whether the newly-scanned package wants to define an already-defined perm 13981 int N = pkg.permissions.size(); 13982 for (int i = N-1; i >= 0; i--) { 13983 PackageParser.Permission perm = pkg.permissions.get(i); 13984 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 13985 if (bp != null) { 13986 // If the defining package is signed with our cert, it's okay. This 13987 // also includes the "updating the same package" case, of course. 13988 // "updating same package" could also involve key-rotation. 13989 final boolean sigsOk; 13990 if (bp.sourcePackage.equals(pkg.packageName) 13991 && (bp.packageSetting instanceof PackageSetting) 13992 && (shouldCheckUpgradeKeySetLP((PackageSetting) bp.packageSetting, 13993 scanFlags))) { 13994 sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg); 13995 } else { 13996 sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures, 13997 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 13998 } 13999 if (!sigsOk) { 14000 // If the owning package is the system itself, we log but allow 14001 // install to proceed; we fail the install on all other permission 14002 // redefinitions. 14003 if (!bp.sourcePackage.equals("android")) { 14004 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 14005 + pkg.packageName + " attempting to redeclare permission " 14006 + perm.info.name + " already owned by " + bp.sourcePackage); 14007 res.origPermission = perm.info.name; 14008 res.origPackage = bp.sourcePackage; 14009 return; 14010 } else { 14011 Slog.w(TAG, "Package " + pkg.packageName 14012 + " attempting to redeclare system permission " 14013 + perm.info.name + "; ignoring new declaration"); 14014 pkg.permissions.remove(i); 14015 } 14016 } 14017 } 14018 } 14019 } 14020 14021 if (systemApp) { 14022 if (onExternal) { 14023 // Abort update; system app can't be replaced with app on sdcard 14024 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 14025 "Cannot install updates to system apps on sdcard"); 14026 return; 14027 } else if (ephemeral) { 14028 // Abort update; system app can't be replaced with an ephemeral app 14029 res.setError(INSTALL_FAILED_EPHEMERAL_INVALID, 14030 "Cannot update a system app with an ephemeral app"); 14031 return; 14032 } 14033 } 14034 14035 if (args.move != null) { 14036 // We did an in-place move, so dex is ready to roll 14037 scanFlags |= SCAN_NO_DEX; 14038 scanFlags |= SCAN_MOVE; 14039 14040 synchronized (mPackages) { 14041 final PackageSetting ps = mSettings.mPackages.get(pkgName); 14042 if (ps == null) { 14043 res.setError(INSTALL_FAILED_INTERNAL_ERROR, 14044 "Missing settings for moved package " + pkgName); 14045 } 14046 14047 // We moved the entire application as-is, so bring over the 14048 // previously derived ABI information. 14049 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 14050 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 14051 } 14052 14053 } else if (!forwardLocked && !pkg.applicationInfo.isExternalAsec()) { 14054 // Enable SCAN_NO_DEX flag to skip dexopt at a later stage 14055 scanFlags |= SCAN_NO_DEX; 14056 14057 try { 14058 String abiOverride = (TextUtils.isEmpty(pkg.cpuAbiOverride) ? 14059 args.abiOverride : pkg.cpuAbiOverride); 14060 derivePackageAbi(pkg, new File(pkg.codePath), abiOverride, 14061 true /* extract libs */); 14062 } catch (PackageManagerException pme) { 14063 Slog.e(TAG, "Error deriving application ABI", pme); 14064 res.setError(INSTALL_FAILED_INTERNAL_ERROR, "Error deriving application ABI"); 14065 return; 14066 } 14067 14068 14069 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 14070 // Do not run PackageDexOptimizer through the local performDexOpt 14071 // method because `pkg` is not in `mPackages` yet. 14072 int result = mPackageDexOptimizer.performDexOpt(pkg, null /* instructionSets */, 14073 false /* checkProfiles */, getCompilerFilterForReason(REASON_INSTALL)); 14074 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14075 if (result == PackageDexOptimizer.DEX_OPT_FAILED) { 14076 String msg = "Extracking package failed for " + pkgName; 14077 res.setError(INSTALL_FAILED_DEXOPT, msg); 14078 return; 14079 } 14080 } 14081 14082 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 14083 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 14084 return; 14085 } 14086 14087 startIntentFilterVerifications(args.user.getIdentifier(), replace, pkg); 14088 14089 if (replace) { 14090 replacePackageLI(pkg, parseFlags, scanFlags | SCAN_REPLACING, args.user, 14091 installerPackageName, res); 14092 } else { 14093 installNewPackageLI(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 14094 args.user, installerPackageName, volumeUuid, res); 14095 } 14096 synchronized (mPackages) { 14097 final PackageSetting ps = mSettings.mPackages.get(pkgName); 14098 if (ps != null) { 14099 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 14100 } 14101 14102 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14103 for (int i = 0; i < childCount; i++) { 14104 PackageParser.Package childPkg = pkg.childPackages.get(i); 14105 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 14106 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 14107 if (childPs != null) { 14108 childRes.newUsers = childPs.queryInstalledUsers( 14109 sUserManager.getUserIds(), true); 14110 } 14111 } 14112 } 14113 } 14114 14115 private void startIntentFilterVerifications(int userId, boolean replacing, 14116 PackageParser.Package pkg) { 14117 if (mIntentFilterVerifierComponent == null) { 14118 Slog.w(TAG, "No IntentFilter verification will not be done as " 14119 + "there is no IntentFilterVerifier available!"); 14120 return; 14121 } 14122 14123 final int verifierUid = getPackageUid( 14124 mIntentFilterVerifierComponent.getPackageName(), 14125 MATCH_DEBUG_TRIAGED_MISSING, 14126 (userId == UserHandle.USER_ALL) ? UserHandle.USER_SYSTEM : userId); 14127 14128 Message msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 14129 msg.obj = new IFVerificationParams(pkg, replacing, userId, verifierUid); 14130 mHandler.sendMessage(msg); 14131 14132 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14133 for (int i = 0; i < childCount; i++) { 14134 PackageParser.Package childPkg = pkg.childPackages.get(i); 14135 msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 14136 msg.obj = new IFVerificationParams(childPkg, replacing, userId, verifierUid); 14137 mHandler.sendMessage(msg); 14138 } 14139 } 14140 14141 private void verifyIntentFiltersIfNeeded(int userId, int verifierUid, boolean replacing, 14142 PackageParser.Package pkg) { 14143 int size = pkg.activities.size(); 14144 if (size == 0) { 14145 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 14146 "No activity, so no need to verify any IntentFilter!"); 14147 return; 14148 } 14149 14150 final boolean hasDomainURLs = hasDomainURLs(pkg); 14151 if (!hasDomainURLs) { 14152 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 14153 "No domain URLs, so no need to verify any IntentFilter!"); 14154 return; 14155 } 14156 14157 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Checking for userId:" + userId 14158 + " if any IntentFilter from the " + size 14159 + " Activities needs verification ..."); 14160 14161 int count = 0; 14162 final String packageName = pkg.packageName; 14163 14164 synchronized (mPackages) { 14165 // If this is a new install and we see that we've already run verification for this 14166 // package, we have nothing to do: it means the state was restored from backup. 14167 if (!replacing) { 14168 IntentFilterVerificationInfo ivi = 14169 mSettings.getIntentFilterVerificationLPr(packageName); 14170 if (ivi != null) { 14171 if (DEBUG_DOMAIN_VERIFICATION) { 14172 Slog.i(TAG, "Package " + packageName+ " already verified: status=" 14173 + ivi.getStatusString()); 14174 } 14175 return; 14176 } 14177 } 14178 14179 // If any filters need to be verified, then all need to be. 14180 boolean needToVerify = false; 14181 for (PackageParser.Activity a : pkg.activities) { 14182 for (ActivityIntentInfo filter : a.intents) { 14183 if (filter.needsVerification() && needsNetworkVerificationLPr(filter)) { 14184 if (DEBUG_DOMAIN_VERIFICATION) { 14185 Slog.d(TAG, "Intent filter needs verification, so processing all filters"); 14186 } 14187 needToVerify = true; 14188 break; 14189 } 14190 } 14191 } 14192 14193 if (needToVerify) { 14194 final int verificationId = mIntentFilterVerificationToken++; 14195 for (PackageParser.Activity a : pkg.activities) { 14196 for (ActivityIntentInfo filter : a.intents) { 14197 if (filter.handlesWebUris(true) && needsNetworkVerificationLPr(filter)) { 14198 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 14199 "Verification needed for IntentFilter:" + filter.toString()); 14200 mIntentFilterVerifier.addOneIntentFilterVerification( 14201 verifierUid, userId, verificationId, filter, packageName); 14202 count++; 14203 } 14204 } 14205 } 14206 } 14207 } 14208 14209 if (count > 0) { 14210 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Starting " + count 14211 + " IntentFilter verification" + (count > 1 ? "s" : "") 14212 + " for userId:" + userId); 14213 mIntentFilterVerifier.startVerifications(userId); 14214 } else { 14215 if (DEBUG_DOMAIN_VERIFICATION) { 14216 Slog.d(TAG, "No filters or not all autoVerify for " + packageName); 14217 } 14218 } 14219 } 14220 14221 private boolean needsNetworkVerificationLPr(ActivityIntentInfo filter) { 14222 final ComponentName cn = filter.activity.getComponentName(); 14223 final String packageName = cn.getPackageName(); 14224 14225 IntentFilterVerificationInfo ivi = mSettings.getIntentFilterVerificationLPr( 14226 packageName); 14227 if (ivi == null) { 14228 return true; 14229 } 14230 int status = ivi.getStatus(); 14231 switch (status) { 14232 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 14233 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 14234 return true; 14235 14236 default: 14237 // Nothing to do 14238 return false; 14239 } 14240 } 14241 14242 private static boolean isMultiArch(ApplicationInfo info) { 14243 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 14244 } 14245 14246 private static boolean isExternal(PackageParser.Package pkg) { 14247 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 14248 } 14249 14250 private static boolean isExternal(PackageSetting ps) { 14251 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 14252 } 14253 14254 private static boolean isEphemeral(PackageParser.Package pkg) { 14255 return pkg.applicationInfo.isEphemeralApp(); 14256 } 14257 14258 private static boolean isEphemeral(PackageSetting ps) { 14259 return ps.pkg != null && isEphemeral(ps.pkg); 14260 } 14261 14262 private static boolean isSystemApp(PackageParser.Package pkg) { 14263 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 14264 } 14265 14266 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 14267 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 14268 } 14269 14270 private static boolean hasDomainURLs(PackageParser.Package pkg) { 14271 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_HAS_DOMAIN_URLS) != 0; 14272 } 14273 14274 private static boolean isSystemApp(PackageSetting ps) { 14275 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 14276 } 14277 14278 private static boolean isUpdatedSystemApp(PackageSetting ps) { 14279 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 14280 } 14281 14282 private int packageFlagsToInstallFlags(PackageSetting ps) { 14283 int installFlags = 0; 14284 if (isEphemeral(ps)) { 14285 installFlags |= PackageManager.INSTALL_EPHEMERAL; 14286 } 14287 if (isExternal(ps) && TextUtils.isEmpty(ps.volumeUuid)) { 14288 // This existing package was an external ASEC install when we have 14289 // the external flag without a UUID 14290 installFlags |= PackageManager.INSTALL_EXTERNAL; 14291 } 14292 if (ps.isForwardLocked()) { 14293 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 14294 } 14295 return installFlags; 14296 } 14297 14298 private String getVolumeUuidForPackage(PackageParser.Package pkg) { 14299 if (isExternal(pkg)) { 14300 if (TextUtils.isEmpty(pkg.volumeUuid)) { 14301 return StorageManager.UUID_PRIMARY_PHYSICAL; 14302 } else { 14303 return pkg.volumeUuid; 14304 } 14305 } else { 14306 return StorageManager.UUID_PRIVATE_INTERNAL; 14307 } 14308 } 14309 14310 private VersionInfo getSettingsVersionForPackage(PackageParser.Package pkg) { 14311 if (isExternal(pkg)) { 14312 if (TextUtils.isEmpty(pkg.volumeUuid)) { 14313 return mSettings.getExternalVersion(); 14314 } else { 14315 return mSettings.findOrCreateVersion(pkg.volumeUuid); 14316 } 14317 } else { 14318 return mSettings.getInternalVersion(); 14319 } 14320 } 14321 14322 private void deleteTempPackageFiles() { 14323 final FilenameFilter filter = new FilenameFilter() { 14324 public boolean accept(File dir, String name) { 14325 return name.startsWith("vmdl") && name.endsWith(".tmp"); 14326 } 14327 }; 14328 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 14329 file.delete(); 14330 } 14331 } 14332 14333 @Override 14334 public void deletePackageAsUser(String packageName, IPackageDeleteObserver observer, int userId, 14335 int flags) { 14336 deletePackage(packageName, new LegacyPackageDeleteObserver(observer).getBinder(), userId, 14337 flags); 14338 } 14339 14340 @Override 14341 public void deletePackage(final String packageName, 14342 final IPackageDeleteObserver2 observer, final int userId, final int flags) { 14343 mContext.enforceCallingOrSelfPermission( 14344 android.Manifest.permission.DELETE_PACKAGES, null); 14345 Preconditions.checkNotNull(packageName); 14346 Preconditions.checkNotNull(observer); 14347 final int uid = Binder.getCallingUid(); 14348 final boolean deleteAllUsers = (flags & PackageManager.DELETE_ALL_USERS) != 0; 14349 final int[] users = deleteAllUsers ? sUserManager.getUserIds() : new int[]{ userId }; 14350 if (UserHandle.getUserId(uid) != userId || (deleteAllUsers && users.length > 1)) { 14351 mContext.enforceCallingOrSelfPermission( 14352 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 14353 "deletePackage for user " + userId); 14354 } 14355 14356 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 14357 try { 14358 observer.onPackageDeleted(packageName, 14359 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 14360 } catch (RemoteException re) { 14361 } 14362 return; 14363 } 14364 14365 if (!deleteAllUsers && getBlockUninstallForUser(packageName, userId)) { 14366 try { 14367 observer.onPackageDeleted(packageName, 14368 PackageManager.DELETE_FAILED_OWNER_BLOCKED, null); 14369 } catch (RemoteException re) { 14370 } 14371 return; 14372 } 14373 14374 if (DEBUG_REMOVE) { 14375 Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId 14376 + " deleteAllUsers: " + deleteAllUsers ); 14377 } 14378 // Queue up an async operation since the package deletion may take a little while. 14379 mHandler.post(new Runnable() { 14380 public void run() { 14381 mHandler.removeCallbacks(this); 14382 int returnCode; 14383 if (!deleteAllUsers) { 14384 returnCode = deletePackageX(packageName, userId, flags); 14385 } else { 14386 int[] blockUninstallUserIds = getBlockUninstallForUsers(packageName, users); 14387 // If nobody is blocking uninstall, proceed with delete for all users 14388 if (ArrayUtils.isEmpty(blockUninstallUserIds)) { 14389 returnCode = deletePackageX(packageName, userId, flags); 14390 } else { 14391 // Otherwise uninstall individually for users with blockUninstalls=false 14392 final int userFlags = flags & ~PackageManager.DELETE_ALL_USERS; 14393 for (int userId : users) { 14394 if (!ArrayUtils.contains(blockUninstallUserIds, userId)) { 14395 returnCode = deletePackageX(packageName, userId, userFlags); 14396 if (returnCode != PackageManager.DELETE_SUCCEEDED) { 14397 Slog.w(TAG, "Package delete failed for user " + userId 14398 + ", returnCode " + returnCode); 14399 } 14400 } 14401 } 14402 // The app has only been marked uninstalled for certain users. 14403 // We still need to report that delete was blocked 14404 returnCode = PackageManager.DELETE_FAILED_OWNER_BLOCKED; 14405 } 14406 } 14407 try { 14408 observer.onPackageDeleted(packageName, returnCode, null); 14409 } catch (RemoteException e) { 14410 Log.i(TAG, "Observer no longer exists."); 14411 } //end catch 14412 } //end run 14413 }); 14414 } 14415 14416 private int[] getBlockUninstallForUsers(String packageName, int[] userIds) { 14417 int[] result = EMPTY_INT_ARRAY; 14418 for (int userId : userIds) { 14419 if (getBlockUninstallForUser(packageName, userId)) { 14420 result = ArrayUtils.appendInt(result, userId); 14421 } 14422 } 14423 return result; 14424 } 14425 14426 @Override 14427 public boolean isPackageDeviceAdminOnAnyUser(String packageName) { 14428 return isPackageDeviceAdmin(packageName, UserHandle.USER_ALL); 14429 } 14430 14431 private boolean isPackageDeviceAdmin(String packageName, int userId) { 14432 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 14433 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 14434 try { 14435 if (dpm != null) { 14436 final ComponentName deviceOwnerComponentName = dpm.getDeviceOwnerComponent( 14437 /* callingUserOnly =*/ false); 14438 final String deviceOwnerPackageName = deviceOwnerComponentName == null ? null 14439 : deviceOwnerComponentName.getPackageName(); 14440 // Does the package contains the device owner? 14441 // TODO Do we have to do it even if userId != UserHandle.USER_ALL? Otherwise, 14442 // this check is probably not needed, since DO should be registered as a device 14443 // admin on some user too. (Original bug for this: b/17657954) 14444 if (packageName.equals(deviceOwnerPackageName)) { 14445 return true; 14446 } 14447 // Does it contain a device admin for any user? 14448 int[] users; 14449 if (userId == UserHandle.USER_ALL) { 14450 users = sUserManager.getUserIds(); 14451 } else { 14452 users = new int[]{userId}; 14453 } 14454 for (int i = 0; i < users.length; ++i) { 14455 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 14456 return true; 14457 } 14458 } 14459 } 14460 } catch (RemoteException e) { 14461 } 14462 return false; 14463 } 14464 14465 private boolean shouldKeepUninstalledPackageLPr(String packageName) { 14466 return mKeepUninstalledPackages != null && mKeepUninstalledPackages.contains(packageName); 14467 } 14468 14469 /** 14470 * This method is an internal method that could be get invoked either 14471 * to delete an installed package or to clean up a failed installation. 14472 * After deleting an installed package, a broadcast is sent to notify any 14473 * listeners that the package has been installed. For cleaning up a failed 14474 * installation, the broadcast is not necessary since the package's 14475 * installation wouldn't have sent the initial broadcast either 14476 * The key steps in deleting a package are 14477 * deleting the package information in internal structures like mPackages, 14478 * deleting the packages base directories through installd 14479 * updating mSettings to reflect current status 14480 * persisting settings for later use 14481 * sending a broadcast if necessary 14482 */ 14483 private int deletePackageX(String packageName, int userId, int flags) { 14484 final PackageRemovedInfo info = new PackageRemovedInfo(); 14485 final boolean res; 14486 14487 final UserHandle removeForUser = (flags & PackageManager.DELETE_ALL_USERS) != 0 14488 ? UserHandle.ALL : new UserHandle(userId); 14489 14490 if (isPackageDeviceAdmin(packageName, removeForUser.getIdentifier())) { 14491 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 14492 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 14493 } 14494 14495 PackageSetting uninstalledPs = null; 14496 14497 // for the uninstall-updates case and restricted profiles, remember the per- 14498 // user handle installed state 14499 int[] allUsers; 14500 synchronized (mPackages) { 14501 uninstalledPs = mSettings.mPackages.get(packageName); 14502 if (uninstalledPs == null) { 14503 Slog.w(TAG, "Not removing non-existent package " + packageName); 14504 return PackageManager.DELETE_FAILED_INTERNAL_ERROR; 14505 } 14506 allUsers = sUserManager.getUserIds(); 14507 info.origUsers = uninstalledPs.queryInstalledUsers(allUsers, true); 14508 } 14509 14510 synchronized (mInstallLock) { 14511 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 14512 res = deletePackageLI(packageName, removeForUser, true, allUsers, 14513 flags | REMOVE_CHATTY, info, true, null); 14514 synchronized (mPackages) { 14515 if (res) { 14516 mEphemeralApplicationRegistry.onPackageUninstalledLPw(uninstalledPs.pkg); 14517 } 14518 } 14519 } 14520 14521 if (res) { 14522 final boolean killApp = (flags & PackageManager.INSTALL_DONT_KILL_APP) == 0; 14523 info.sendPackageRemovedBroadcasts(killApp); 14524 info.sendSystemPackageUpdatedBroadcasts(); 14525 info.sendSystemPackageAppearedBroadcasts(); 14526 } 14527 // Force a gc here. 14528 Runtime.getRuntime().gc(); 14529 // Delete the resources here after sending the broadcast to let 14530 // other processes clean up before deleting resources. 14531 if (info.args != null) { 14532 synchronized (mInstallLock) { 14533 info.args.doPostDeleteLI(true); 14534 } 14535 } 14536 14537 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 14538 } 14539 14540 class PackageRemovedInfo { 14541 String removedPackage; 14542 int uid = -1; 14543 int removedAppId = -1; 14544 int[] origUsers; 14545 int[] removedUsers = null; 14546 boolean isRemovedPackageSystemUpdate = false; 14547 boolean isUpdate; 14548 boolean dataRemoved; 14549 boolean removedForAllUsers; 14550 // Clean up resources deleted packages. 14551 InstallArgs args = null; 14552 ArrayMap<String, PackageRemovedInfo> removedChildPackages; 14553 ArrayMap<String, PackageInstalledInfo> appearedChildPackages; 14554 14555 void sendPackageRemovedBroadcasts(boolean killApp) { 14556 sendPackageRemovedBroadcastInternal(killApp); 14557 final int childCount = removedChildPackages != null ? removedChildPackages.size() : 0; 14558 for (int i = 0; i < childCount; i++) { 14559 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 14560 childInfo.sendPackageRemovedBroadcastInternal(killApp); 14561 } 14562 } 14563 14564 void sendSystemPackageUpdatedBroadcasts() { 14565 if (isRemovedPackageSystemUpdate) { 14566 sendSystemPackageUpdatedBroadcastsInternal(); 14567 final int childCount = (removedChildPackages != null) 14568 ? removedChildPackages.size() : 0; 14569 for (int i = 0; i < childCount; i++) { 14570 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 14571 if (childInfo.isRemovedPackageSystemUpdate) { 14572 childInfo.sendSystemPackageUpdatedBroadcastsInternal(); 14573 } 14574 } 14575 } 14576 } 14577 14578 void sendSystemPackageAppearedBroadcasts() { 14579 final int packageCount = (appearedChildPackages != null) 14580 ? appearedChildPackages.size() : 0; 14581 for (int i = 0; i < packageCount; i++) { 14582 PackageInstalledInfo installedInfo = appearedChildPackages.valueAt(i); 14583 for (int userId : installedInfo.newUsers) { 14584 sendPackageAddedForUser(installedInfo.name, true, 14585 UserHandle.getAppId(installedInfo.uid), userId); 14586 } 14587 } 14588 } 14589 14590 private void sendSystemPackageUpdatedBroadcastsInternal() { 14591 Bundle extras = new Bundle(2); 14592 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 14593 extras.putBoolean(Intent.EXTRA_REPLACING, true); 14594 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, removedPackage, 14595 extras, 0, null, null, null); 14596 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, removedPackage, 14597 extras, 0, null, null, null); 14598 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 14599 null, 0, removedPackage, null, null); 14600 } 14601 14602 private void sendPackageRemovedBroadcastInternal(boolean killApp) { 14603 Bundle extras = new Bundle(2); 14604 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 14605 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, dataRemoved); 14606 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, !killApp); 14607 if (isUpdate || isRemovedPackageSystemUpdate) { 14608 extras.putBoolean(Intent.EXTRA_REPLACING, true); 14609 } 14610 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 14611 if (removedPackage != null) { 14612 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 14613 extras, 0, null, null, removedUsers); 14614 if (dataRemoved && !isRemovedPackageSystemUpdate) { 14615 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, 14616 removedPackage, extras, 0, null, null, removedUsers); 14617 } 14618 } 14619 if (removedAppId >= 0) { 14620 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, 0, null, null, 14621 removedUsers); 14622 } 14623 } 14624 } 14625 14626 /* 14627 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 14628 * flag is not set, the data directory is removed as well. 14629 * make sure this flag is set for partially installed apps. If not its meaningless to 14630 * delete a partially installed application. 14631 */ 14632 private void removePackageDataLI(PackageSetting ps, int[] allUserHandles, 14633 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 14634 String packageName = ps.name; 14635 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 14636 removePackageLI(ps, (flags&REMOVE_CHATTY) != 0); 14637 // Retrieve object to delete permissions for shared user later on 14638 final PackageSetting deletedPs; 14639 // reader 14640 synchronized (mPackages) { 14641 deletedPs = mSettings.mPackages.get(packageName); 14642 if (outInfo != null) { 14643 outInfo.removedPackage = packageName; 14644 outInfo.removedUsers = deletedPs != null 14645 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 14646 : null; 14647 } 14648 } 14649 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 14650 removeDataDirsLI(ps.volumeUuid, packageName); 14651 if (outInfo != null) { 14652 outInfo.dataRemoved = true; 14653 } 14654 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 14655 } 14656 // writer 14657 synchronized (mPackages) { 14658 if (deletedPs != null) { 14659 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 14660 clearIntentFilterVerificationsLPw(deletedPs.name, UserHandle.USER_ALL); 14661 clearDefaultBrowserIfNeeded(packageName); 14662 if (outInfo != null) { 14663 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 14664 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 14665 } 14666 updatePermissionsLPw(deletedPs.name, null, 0); 14667 if (deletedPs.sharedUser != null) { 14668 // Remove permissions associated with package. Since runtime 14669 // permissions are per user we have to kill the removed package 14670 // or packages running under the shared user of the removed 14671 // package if revoking the permissions requested only by the removed 14672 // package is successful and this causes a change in gids. 14673 for (int userId : UserManagerService.getInstance().getUserIds()) { 14674 final int userIdToKill = mSettings.updateSharedUserPermsLPw(deletedPs, 14675 userId); 14676 if (userIdToKill == UserHandle.USER_ALL 14677 || userIdToKill >= UserHandle.USER_SYSTEM) { 14678 // If gids changed for this user, kill all affected packages. 14679 mHandler.post(new Runnable() { 14680 @Override 14681 public void run() { 14682 // This has to happen with no lock held. 14683 killApplication(deletedPs.name, deletedPs.appId, 14684 KILL_APP_REASON_GIDS_CHANGED); 14685 } 14686 }); 14687 break; 14688 } 14689 } 14690 } 14691 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 14692 } 14693 // make sure to preserve per-user disabled state if this removal was just 14694 // a downgrade of a system app to the factory package 14695 if (allUserHandles != null && outInfo != null && outInfo.origUsers != null) { 14696 if (DEBUG_REMOVE) { 14697 Slog.d(TAG, "Propagating install state across downgrade"); 14698 } 14699 for (int userId : allUserHandles) { 14700 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 14701 if (DEBUG_REMOVE) { 14702 Slog.d(TAG, " user " + userId + " => " + installed); 14703 } 14704 ps.setInstalled(installed, userId); 14705 } 14706 } 14707 } 14708 // can downgrade to reader 14709 if (writeSettings) { 14710 // Save settings now 14711 mSettings.writeLPr(); 14712 } 14713 } 14714 if (outInfo != null) { 14715 // A user ID was deleted here. Go through all users and remove it 14716 // from KeyStore. 14717 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 14718 } 14719 } 14720 14721 static boolean locationIsPrivileged(File path) { 14722 try { 14723 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 14724 .getCanonicalPath(); 14725 return path.getCanonicalPath().startsWith(privilegedAppDir); 14726 } catch (IOException e) { 14727 Slog.e(TAG, "Unable to access code path " + path); 14728 } 14729 return false; 14730 } 14731 14732 /* 14733 * Tries to delete system package. 14734 */ 14735 private boolean deleteSystemPackageLI(PackageParser.Package deletedPkg, 14736 PackageSetting deletedPs, int[] allUserHandles, int flags, PackageRemovedInfo outInfo, 14737 boolean writeSettings) { 14738 if (deletedPs.parentPackageName != null) { 14739 Slog.w(TAG, "Attempt to delete child system package " + deletedPkg.packageName); 14740 return false; 14741 } 14742 14743 final boolean applyUserRestrictions 14744 = (allUserHandles != null) && (outInfo.origUsers != null); 14745 final PackageSetting disabledPs; 14746 // Confirm if the system package has been updated 14747 // An updated system app can be deleted. This will also have to restore 14748 // the system pkg from system partition 14749 // reader 14750 synchronized (mPackages) { 14751 disabledPs = mSettings.getDisabledSystemPkgLPr(deletedPs.name); 14752 } 14753 14754 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + deletedPkg.packageName 14755 + " disabledPs=" + disabledPs); 14756 14757 if (disabledPs == null) { 14758 Slog.w(TAG, "Attempt to delete unknown system package "+ deletedPkg.packageName); 14759 return false; 14760 } else if (DEBUG_REMOVE) { 14761 Slog.d(TAG, "Deleting system pkg from data partition"); 14762 } 14763 14764 if (DEBUG_REMOVE) { 14765 if (applyUserRestrictions) { 14766 Slog.d(TAG, "Remembering install states:"); 14767 for (int userId : allUserHandles) { 14768 final boolean finstalled = ArrayUtils.contains(outInfo.origUsers, userId); 14769 Slog.d(TAG, " u=" + userId + " inst=" + finstalled); 14770 } 14771 } 14772 } 14773 14774 // Delete the updated package 14775 outInfo.isRemovedPackageSystemUpdate = true; 14776 if (outInfo.removedChildPackages != null) { 14777 final int childCount = (deletedPs.childPackageNames != null) 14778 ? deletedPs.childPackageNames.size() : 0; 14779 for (int i = 0; i < childCount; i++) { 14780 String childPackageName = deletedPs.childPackageNames.get(i); 14781 if (disabledPs.childPackageNames != null && disabledPs.childPackageNames 14782 .contains(childPackageName)) { 14783 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 14784 childPackageName); 14785 if (childInfo != null) { 14786 childInfo.isRemovedPackageSystemUpdate = true; 14787 } 14788 } 14789 } 14790 } 14791 14792 if (disabledPs.versionCode < deletedPs.versionCode) { 14793 // Delete data for downgrades 14794 flags &= ~PackageManager.DELETE_KEEP_DATA; 14795 } else { 14796 // Preserve data by setting flag 14797 flags |= PackageManager.DELETE_KEEP_DATA; 14798 } 14799 14800 boolean ret = deleteInstalledPackageLI(deletedPs, true, flags, allUserHandles, 14801 outInfo, writeSettings, disabledPs.pkg); 14802 if (!ret) { 14803 return false; 14804 } 14805 14806 // writer 14807 synchronized (mPackages) { 14808 // Reinstate the old system package 14809 enableSystemPackageLPw(disabledPs.pkg); 14810 // Remove any native libraries from the upgraded package. 14811 removeNativeBinariesLI(deletedPs); 14812 } 14813 14814 // Install the system package 14815 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 14816 int parseFlags = PackageParser.PARSE_MUST_BE_APK | PackageParser.PARSE_IS_SYSTEM; 14817 if (locationIsPrivileged(disabledPs.codePath)) { 14818 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 14819 } 14820 14821 final PackageParser.Package newPkg; 14822 try { 14823 newPkg = scanPackageTracedLI(disabledPs.codePath, parseFlags, SCAN_NO_PATHS, 0, null); 14824 } catch (PackageManagerException e) { 14825 Slog.w(TAG, "Failed to restore system package:" + deletedPkg.packageName + ": " 14826 + e.getMessage()); 14827 return false; 14828 } 14829 14830 prepareAppDataAfterInstall(newPkg); 14831 14832 // writer 14833 synchronized (mPackages) { 14834 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 14835 14836 // Propagate the permissions state as we do not want to drop on the floor 14837 // runtime permissions. The update permissions method below will take 14838 // care of removing obsolete permissions and grant install permissions. 14839 ps.getPermissionsState().copyFrom(deletedPs.getPermissionsState()); 14840 updatePermissionsLPw(newPkg.packageName, newPkg, 14841 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 14842 14843 if (applyUserRestrictions) { 14844 if (DEBUG_REMOVE) { 14845 Slog.d(TAG, "Propagating install state across reinstall"); 14846 } 14847 for (int userId : allUserHandles) { 14848 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 14849 if (DEBUG_REMOVE) { 14850 Slog.d(TAG, " user " + userId + " => " + installed); 14851 } 14852 ps.setInstalled(installed, userId); 14853 14854 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 14855 } 14856 // Regardless of writeSettings we need to ensure that this restriction 14857 // state propagation is persisted 14858 mSettings.writeAllUsersPackageRestrictionsLPr(); 14859 } 14860 // can downgrade to reader here 14861 if (writeSettings) { 14862 mSettings.writeLPr(); 14863 } 14864 } 14865 return true; 14866 } 14867 14868 private boolean deleteInstalledPackageLI(PackageSetting ps, 14869 boolean deleteCodeAndResources, int flags, int[] allUserHandles, 14870 PackageRemovedInfo outInfo, boolean writeSettings, 14871 PackageParser.Package replacingPackage) { 14872 synchronized (mPackages) { 14873 if (outInfo != null) { 14874 outInfo.uid = ps.appId; 14875 } 14876 14877 if (outInfo != null && outInfo.removedChildPackages != null) { 14878 final int childCount = (ps.childPackageNames != null) 14879 ? ps.childPackageNames.size() : 0; 14880 for (int i = 0; i < childCount; i++) { 14881 String childPackageName = ps.childPackageNames.get(i); 14882 PackageSetting childPs = mSettings.mPackages.get(childPackageName); 14883 if (childPs == null) { 14884 return false; 14885 } 14886 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 14887 childPackageName); 14888 if (childInfo != null) { 14889 childInfo.uid = childPs.appId; 14890 } 14891 } 14892 } 14893 } 14894 14895 // Delete package data from internal structures and also remove data if flag is set 14896 removePackageDataLI(ps, allUserHandles, outInfo, flags, writeSettings); 14897 14898 // Delete the child packages data 14899 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 14900 for (int i = 0; i < childCount; i++) { 14901 PackageSetting childPs; 14902 synchronized (mPackages) { 14903 childPs = mSettings.peekPackageLPr(ps.childPackageNames.get(i)); 14904 } 14905 if (childPs != null) { 14906 PackageRemovedInfo childOutInfo = (outInfo != null 14907 && outInfo.removedChildPackages != null) 14908 ? outInfo.removedChildPackages.get(childPs.name) : null; 14909 final int deleteFlags = (flags & DELETE_KEEP_DATA) != 0 14910 && (replacingPackage != null 14911 && !replacingPackage.hasChildPackage(childPs.name)) 14912 ? flags & ~DELETE_KEEP_DATA : flags; 14913 removePackageDataLI(childPs, allUserHandles, childOutInfo, 14914 deleteFlags, writeSettings); 14915 } 14916 } 14917 14918 // Delete application code and resources only for parent packages 14919 if (ps.parentPackageName == null) { 14920 if (deleteCodeAndResources && (outInfo != null)) { 14921 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 14922 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 14923 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 14924 } 14925 } 14926 14927 return true; 14928 } 14929 14930 @Override 14931 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 14932 int userId) { 14933 mContext.enforceCallingOrSelfPermission( 14934 android.Manifest.permission.DELETE_PACKAGES, null); 14935 synchronized (mPackages) { 14936 PackageSetting ps = mSettings.mPackages.get(packageName); 14937 if (ps == null) { 14938 Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); 14939 return false; 14940 } 14941 if (!ps.getInstalled(userId)) { 14942 // Can't block uninstall for an app that is not installed or enabled. 14943 Log.i(TAG, "Package not installed in set block uninstall " + packageName); 14944 return false; 14945 } 14946 ps.setBlockUninstall(blockUninstall, userId); 14947 mSettings.writePackageRestrictionsLPr(userId); 14948 } 14949 return true; 14950 } 14951 14952 @Override 14953 public boolean getBlockUninstallForUser(String packageName, int userId) { 14954 synchronized (mPackages) { 14955 PackageSetting ps = mSettings.mPackages.get(packageName); 14956 if (ps == null) { 14957 Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); 14958 return false; 14959 } 14960 return ps.getBlockUninstall(userId); 14961 } 14962 } 14963 14964 @Override 14965 public boolean setRequiredForSystemUser(String packageName, boolean systemUserApp) { 14966 int callingUid = Binder.getCallingUid(); 14967 if (callingUid != Process.SYSTEM_UID && callingUid != Process.ROOT_UID) { 14968 throw new SecurityException( 14969 "setRequiredForSystemUser can only be run by the system or root"); 14970 } 14971 synchronized (mPackages) { 14972 PackageSetting ps = mSettings.mPackages.get(packageName); 14973 if (ps == null) { 14974 Log.w(TAG, "Package doesn't exist: " + packageName); 14975 return false; 14976 } 14977 if (systemUserApp) { 14978 ps.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 14979 } else { 14980 ps.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 14981 } 14982 mSettings.writeLPr(); 14983 } 14984 return true; 14985 } 14986 14987 /* 14988 * This method handles package deletion in general 14989 */ 14990 private boolean deletePackageLI(String packageName, UserHandle user, 14991 boolean deleteCodeAndResources, int[] allUserHandles, int flags, 14992 PackageRemovedInfo outInfo, boolean writeSettings, 14993 PackageParser.Package replacingPackage) { 14994 if (packageName == null) { 14995 Slog.w(TAG, "Attempt to delete null packageName."); 14996 return false; 14997 } 14998 14999 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 15000 15001 PackageSetting ps; 15002 15003 synchronized (mPackages) { 15004 ps = mSettings.mPackages.get(packageName); 15005 if (ps == null) { 15006 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 15007 return false; 15008 } 15009 15010 if (ps.parentPackageName != null && (!isSystemApp(ps) 15011 || (flags & PackageManager.DELETE_SYSTEM_APP) != 0)) { 15012 if (DEBUG_REMOVE) { 15013 Slog.d(TAG, "Uninstalled child package:" + packageName + " for user:" 15014 + ((user == null) ? UserHandle.USER_ALL : user)); 15015 } 15016 final int removedUserId = (user != null) ? user.getIdentifier() 15017 : UserHandle.USER_ALL; 15018 if (!clearPackageStateForUser(ps, removedUserId, outInfo)) { 15019 return false; 15020 } 15021 markPackageUninstalledForUserLPw(ps, user); 15022 scheduleWritePackageRestrictionsLocked(user); 15023 return true; 15024 } 15025 } 15026 15027 if (((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 15028 && user.getIdentifier() != UserHandle.USER_ALL)) { 15029 // The caller is asking that the package only be deleted for a single 15030 // user. To do this, we just mark its uninstalled state and delete 15031 // its data. If this is a system app, we only allow this to happen if 15032 // they have set the special DELETE_SYSTEM_APP which requests different 15033 // semantics than normal for uninstalling system apps. 15034 markPackageUninstalledForUserLPw(ps, user); 15035 15036 if (!isSystemApp(ps)) { 15037 // Do not uninstall the APK if an app should be cached 15038 boolean keepUninstalledPackage = shouldKeepUninstalledPackageLPr(packageName); 15039 if (ps.isAnyInstalled(sUserManager.getUserIds()) || keepUninstalledPackage) { 15040 // Other user still have this package installed, so all 15041 // we need to do is clear this user's data and save that 15042 // it is uninstalled. 15043 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 15044 if (!clearPackageStateForUser(ps, user.getIdentifier(), outInfo)) { 15045 return false; 15046 } 15047 scheduleWritePackageRestrictionsLocked(user); 15048 return true; 15049 } else { 15050 // We need to set it back to 'installed' so the uninstall 15051 // broadcasts will be sent correctly. 15052 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 15053 ps.setInstalled(true, user.getIdentifier()); 15054 } 15055 } else { 15056 // This is a system app, so we assume that the 15057 // other users still have this package installed, so all 15058 // we need to do is clear this user's data and save that 15059 // it is uninstalled. 15060 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 15061 if (!clearPackageStateForUser(ps, user.getIdentifier(), outInfo)) { 15062 return false; 15063 } 15064 scheduleWritePackageRestrictionsLocked(user); 15065 return true; 15066 } 15067 } 15068 15069 // If we are deleting a composite package for all users, keep track 15070 // of result for each child. 15071 if (ps.childPackageNames != null && outInfo != null) { 15072 synchronized (mPackages) { 15073 final int childCount = ps.childPackageNames.size(); 15074 outInfo.removedChildPackages = new ArrayMap<>(childCount); 15075 for (int i = 0; i < childCount; i++) { 15076 String childPackageName = ps.childPackageNames.get(i); 15077 PackageRemovedInfo childInfo = new PackageRemovedInfo(); 15078 childInfo.removedPackage = childPackageName; 15079 outInfo.removedChildPackages.put(childPackageName, childInfo); 15080 PackageSetting childPs = mSettings.peekPackageLPr(childPackageName); 15081 if (childPs != null) { 15082 childInfo.origUsers = childPs.queryInstalledUsers(allUserHandles, true); 15083 } 15084 } 15085 } 15086 } 15087 15088 boolean ret = false; 15089 if (isSystemApp(ps)) { 15090 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package: " + ps.name); 15091 // When an updated system application is deleted we delete the existing resources 15092 // as well and fall back to existing code in system partition 15093 ret = deleteSystemPackageLI(ps.pkg, ps, allUserHandles, flags, outInfo, writeSettings); 15094 } else { 15095 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package: " + ps.name); 15096 // Kill application pre-emptively especially for apps on sd. 15097 final boolean killApp = (flags & PackageManager.DELETE_DONT_KILL_APP) == 0; 15098 if (killApp) { 15099 killApplication(packageName, ps.appId, "uninstall pkg"); 15100 } 15101 ret = deleteInstalledPackageLI(ps, deleteCodeAndResources, flags, allUserHandles, 15102 outInfo, writeSettings, replacingPackage); 15103 } 15104 15105 // Take a note whether we deleted the package for all users 15106 if (outInfo != null) { 15107 outInfo.removedForAllUsers = mPackages.get(ps.name) == null; 15108 if (outInfo.removedChildPackages != null) { 15109 synchronized (mPackages) { 15110 final int childCount = outInfo.removedChildPackages.size(); 15111 for (int i = 0; i < childCount; i++) { 15112 PackageRemovedInfo childInfo = outInfo.removedChildPackages.valueAt(i); 15113 if (childInfo != null) { 15114 childInfo.removedForAllUsers = mPackages.get( 15115 childInfo.removedPackage) == null; 15116 } 15117 } 15118 } 15119 } 15120 // If we uninstalled an update to a system app there may be some 15121 // child packages that appeared as they are declared in the system 15122 // app but were not declared in the update. 15123 if (isSystemApp(ps)) { 15124 synchronized (mPackages) { 15125 PackageSetting updatedPs = mSettings.peekPackageLPr(ps.name); 15126 final int childCount = (updatedPs.childPackageNames != null) 15127 ? updatedPs.childPackageNames.size() : 0; 15128 for (int i = 0; i < childCount; i++) { 15129 String childPackageName = updatedPs.childPackageNames.get(i); 15130 if (outInfo.removedChildPackages == null 15131 || outInfo.removedChildPackages.indexOfKey(childPackageName) < 0) { 15132 PackageSetting childPs = mSettings.peekPackageLPr(childPackageName); 15133 if (childPs == null) { 15134 continue; 15135 } 15136 PackageInstalledInfo installRes = new PackageInstalledInfo(); 15137 installRes.name = childPackageName; 15138 installRes.newUsers = childPs.queryInstalledUsers(allUserHandles, true); 15139 installRes.pkg = mPackages.get(childPackageName); 15140 installRes.uid = childPs.pkg.applicationInfo.uid; 15141 if (outInfo.appearedChildPackages == null) { 15142 outInfo.appearedChildPackages = new ArrayMap<>(); 15143 } 15144 outInfo.appearedChildPackages.put(childPackageName, installRes); 15145 } 15146 } 15147 } 15148 } 15149 } 15150 15151 return ret; 15152 } 15153 15154 private void markPackageUninstalledForUserLPw(PackageSetting ps, UserHandle user) { 15155 final int[] userIds = (user == null || user.getIdentifier() == UserHandle.USER_ALL) 15156 ? sUserManager.getUserIds() : new int[] {user.getIdentifier()}; 15157 for (int nextUserId : userIds) { 15158 if (DEBUG_REMOVE) { 15159 Slog.d(TAG, "Marking package:" + ps.name + " uninstalled for user:" + nextUserId); 15160 } 15161 ps.setUserState(nextUserId, COMPONENT_ENABLED_STATE_DEFAULT, 15162 false /*installed*/, true /*stopped*/, true /*notLaunched*/, 15163 false /*hidden*/, false /*suspended*/, null, null, null, 15164 false /*blockUninstall*/, 15165 ps.readUserState(nextUserId).domainVerificationStatus, 0); 15166 } 15167 } 15168 15169 private boolean clearPackageStateForUser(PackageSetting ps, int userId, 15170 PackageRemovedInfo outInfo) { 15171 final int[] userIds = (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() 15172 : new int[] {userId}; 15173 for (int nextUserId : userIds) { 15174 if (DEBUG_REMOVE) { 15175 Slog.d(TAG, "Updating package:" + ps.name + " install state for user:" 15176 + nextUserId); 15177 } 15178 final int flags = StorageManager.FLAG_STORAGE_CE| StorageManager.FLAG_STORAGE_DE; 15179 try { 15180 mInstaller.destroyAppData(ps.volumeUuid, ps.name, nextUserId, flags); 15181 } catch (InstallerException e) { 15182 Slog.w(TAG, "Couldn't remove cache files for package " + ps.name, e); 15183 return false; 15184 } 15185 removeKeystoreDataIfNeeded(nextUserId, ps.appId); 15186 schedulePackageCleaning(ps.name, nextUserId, false); 15187 synchronized (mPackages) { 15188 if (clearPackagePreferredActivitiesLPw(ps.name, nextUserId)) { 15189 scheduleWritePackageRestrictionsLocked(nextUserId); 15190 } 15191 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, nextUserId); 15192 } 15193 } 15194 15195 if (outInfo != null) { 15196 outInfo.removedPackage = ps.name; 15197 outInfo.removedAppId = ps.appId; 15198 outInfo.removedUsers = userIds; 15199 } 15200 15201 return true; 15202 } 15203 15204 private final class ClearStorageConnection implements ServiceConnection { 15205 IMediaContainerService mContainerService; 15206 15207 @Override 15208 public void onServiceConnected(ComponentName name, IBinder service) { 15209 synchronized (this) { 15210 mContainerService = IMediaContainerService.Stub.asInterface(service); 15211 notifyAll(); 15212 } 15213 } 15214 15215 @Override 15216 public void onServiceDisconnected(ComponentName name) { 15217 } 15218 } 15219 15220 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 15221 final boolean mounted; 15222 if (Environment.isExternalStorageEmulated()) { 15223 mounted = true; 15224 } else { 15225 final String status = Environment.getExternalStorageState(); 15226 15227 mounted = status.equals(Environment.MEDIA_MOUNTED) 15228 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 15229 } 15230 15231 if (!mounted) { 15232 return; 15233 } 15234 15235 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 15236 int[] users; 15237 if (userId == UserHandle.USER_ALL) { 15238 users = sUserManager.getUserIds(); 15239 } else { 15240 users = new int[] { userId }; 15241 } 15242 final ClearStorageConnection conn = new ClearStorageConnection(); 15243 if (mContext.bindServiceAsUser( 15244 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 15245 try { 15246 for (int curUser : users) { 15247 long timeout = SystemClock.uptimeMillis() + 5000; 15248 synchronized (conn) { 15249 long now = SystemClock.uptimeMillis(); 15250 while (conn.mContainerService == null && now < timeout) { 15251 try { 15252 conn.wait(timeout - now); 15253 } catch (InterruptedException e) { 15254 } 15255 } 15256 } 15257 if (conn.mContainerService == null) { 15258 return; 15259 } 15260 15261 final UserEnvironment userEnv = new UserEnvironment(curUser); 15262 clearDirectory(conn.mContainerService, 15263 userEnv.buildExternalStorageAppCacheDirs(packageName)); 15264 if (allData) { 15265 clearDirectory(conn.mContainerService, 15266 userEnv.buildExternalStorageAppDataDirs(packageName)); 15267 clearDirectory(conn.mContainerService, 15268 userEnv.buildExternalStorageAppMediaDirs(packageName)); 15269 } 15270 } 15271 } finally { 15272 mContext.unbindService(conn); 15273 } 15274 } 15275 } 15276 15277 @Override 15278 public void clearApplicationProfileData(String packageName) { 15279 enforceSystemOrRoot("Only the system can clear all profile data"); 15280 try { 15281 mInstaller.clearAppProfiles(packageName); 15282 } catch (InstallerException ex) { 15283 Log.e(TAG, "Could not clear profile data of package " + packageName); 15284 } 15285 } 15286 15287 @Override 15288 public void clearApplicationUserData(final String packageName, 15289 final IPackageDataObserver observer, final int userId) { 15290 mContext.enforceCallingOrSelfPermission( 15291 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 15292 15293 enforceCrossUserPermission(Binder.getCallingUid(), userId, 15294 true /* requireFullPermission */, false /* checkShell */, "clear application data"); 15295 15296 final DevicePolicyManagerInternal dpmi = LocalServices 15297 .getService(DevicePolicyManagerInternal.class); 15298 if (dpmi != null && dpmi.hasDeviceOwnerOrProfileOwner(packageName, userId)) { 15299 throw new SecurityException("Cannot clear data for a device owner or a profile owner"); 15300 } 15301 // Queue up an async operation since the package deletion may take a little while. 15302 mHandler.post(new Runnable() { 15303 public void run() { 15304 mHandler.removeCallbacks(this); 15305 final boolean succeeded; 15306 synchronized (mInstallLock) { 15307 succeeded = clearApplicationUserDataLI(packageName, userId); 15308 } 15309 clearExternalStorageDataSync(packageName, userId, true); 15310 if (succeeded) { 15311 // invoke DeviceStorageMonitor's update method to clear any notifications 15312 DeviceStorageMonitorInternal dsm = LocalServices 15313 .getService(DeviceStorageMonitorInternal.class); 15314 if (dsm != null) { 15315 dsm.checkMemory(); 15316 } 15317 } 15318 if(observer != null) { 15319 try { 15320 observer.onRemoveCompleted(packageName, succeeded); 15321 } catch (RemoteException e) { 15322 Log.i(TAG, "Observer no longer exists."); 15323 } 15324 } //end if observer 15325 } //end run 15326 }); 15327 } 15328 15329 private boolean clearApplicationUserDataLI(String packageName, int userId) { 15330 if (packageName == null) { 15331 Slog.w(TAG, "Attempt to delete null packageName."); 15332 return false; 15333 } 15334 15335 // Try finding details about the requested package 15336 PackageParser.Package pkg; 15337 synchronized (mPackages) { 15338 pkg = mPackages.get(packageName); 15339 if (pkg == null) { 15340 final PackageSetting ps = mSettings.mPackages.get(packageName); 15341 if (ps != null) { 15342 pkg = ps.pkg; 15343 } 15344 } 15345 15346 if (pkg == null) { 15347 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 15348 return false; 15349 } 15350 15351 PackageSetting ps = (PackageSetting) pkg.mExtras; 15352 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 15353 } 15354 15355 // Always delete data directories for package, even if we found no other 15356 // record of app. This helps users recover from UID mismatches without 15357 // resorting to a full data wipe. 15358 // TODO: triage flags as part of 26466827 15359 final int flags = StorageManager.FLAG_STORAGE_CE | StorageManager.FLAG_STORAGE_DE; 15360 try { 15361 mInstaller.clearAppData(pkg.volumeUuid, packageName, userId, flags); 15362 } catch (InstallerException e) { 15363 Slog.w(TAG, "Couldn't remove cache files for package " + packageName, e); 15364 return false; 15365 } 15366 15367 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 15368 removeKeystoreDataIfNeeded(userId, appId); 15369 15370 // Create a native library symlink only if we have native libraries 15371 // and if the native libraries are 32 bit libraries. We do not provide 15372 // this symlink for 64 bit libraries. 15373 if (pkg.applicationInfo.primaryCpuAbi != null && 15374 !VMRuntime.is64BitAbi(pkg.applicationInfo.primaryCpuAbi)) { 15375 final String nativeLibPath = pkg.applicationInfo.nativeLibraryDir; 15376 try { 15377 mInstaller.linkNativeLibraryDirectory(pkg.volumeUuid, pkg.packageName, 15378 nativeLibPath, userId); 15379 } catch (InstallerException e) { 15380 Slog.w(TAG, "Failed linking native library dir", e); 15381 return false; 15382 } 15383 } 15384 15385 return true; 15386 } 15387 15388 /** 15389 * Reverts user permission state changes (permissions and flags) in 15390 * all packages for a given user. 15391 * 15392 * @param userId The device user for which to do a reset. 15393 */ 15394 private void resetUserChangesToRuntimePermissionsAndFlagsLPw(int userId) { 15395 final int packageCount = mPackages.size(); 15396 for (int i = 0; i < packageCount; i++) { 15397 PackageParser.Package pkg = mPackages.valueAt(i); 15398 PackageSetting ps = (PackageSetting) pkg.mExtras; 15399 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 15400 } 15401 } 15402 15403 /** 15404 * Reverts user permission state changes (permissions and flags). 15405 * 15406 * @param ps The package for which to reset. 15407 * @param userId The device user for which to do a reset. 15408 */ 15409 private void resetUserChangesToRuntimePermissionsAndFlagsLPw( 15410 final PackageSetting ps, final int userId) { 15411 if (ps.pkg == null) { 15412 return; 15413 } 15414 15415 // These are flags that can change base on user actions. 15416 final int userSettableMask = FLAG_PERMISSION_USER_SET 15417 | FLAG_PERMISSION_USER_FIXED 15418 | FLAG_PERMISSION_REVOKE_ON_UPGRADE 15419 | FLAG_PERMISSION_REVIEW_REQUIRED; 15420 15421 final int policyOrSystemFlags = FLAG_PERMISSION_SYSTEM_FIXED 15422 | FLAG_PERMISSION_POLICY_FIXED; 15423 15424 boolean writeInstallPermissions = false; 15425 boolean writeRuntimePermissions = false; 15426 15427 final int permissionCount = ps.pkg.requestedPermissions.size(); 15428 for (int i = 0; i < permissionCount; i++) { 15429 String permission = ps.pkg.requestedPermissions.get(i); 15430 15431 BasePermission bp = mSettings.mPermissions.get(permission); 15432 if (bp == null) { 15433 continue; 15434 } 15435 15436 // If shared user we just reset the state to which only this app contributed. 15437 if (ps.sharedUser != null) { 15438 boolean used = false; 15439 final int packageCount = ps.sharedUser.packages.size(); 15440 for (int j = 0; j < packageCount; j++) { 15441 PackageSetting pkg = ps.sharedUser.packages.valueAt(j); 15442 if (pkg.pkg != null && !pkg.pkg.packageName.equals(ps.pkg.packageName) 15443 && pkg.pkg.requestedPermissions.contains(permission)) { 15444 used = true; 15445 break; 15446 } 15447 } 15448 if (used) { 15449 continue; 15450 } 15451 } 15452 15453 PermissionsState permissionsState = ps.getPermissionsState(); 15454 15455 final int oldFlags = permissionsState.getPermissionFlags(bp.name, userId); 15456 15457 // Always clear the user settable flags. 15458 final boolean hasInstallState = permissionsState.getInstallPermissionState( 15459 bp.name) != null; 15460 // If permission review is enabled and this is a legacy app, mark the 15461 // permission as requiring a review as this is the initial state. 15462 int flags = 0; 15463 if (Build.PERMISSIONS_REVIEW_REQUIRED 15464 && ps.pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 15465 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 15466 } 15467 if (permissionsState.updatePermissionFlags(bp, userId, userSettableMask, flags)) { 15468 if (hasInstallState) { 15469 writeInstallPermissions = true; 15470 } else { 15471 writeRuntimePermissions = true; 15472 } 15473 } 15474 15475 // Below is only runtime permission handling. 15476 if (!bp.isRuntime()) { 15477 continue; 15478 } 15479 15480 // Never clobber system or policy. 15481 if ((oldFlags & policyOrSystemFlags) != 0) { 15482 continue; 15483 } 15484 15485 // If this permission was granted by default, make sure it is. 15486 if ((oldFlags & FLAG_PERMISSION_GRANTED_BY_DEFAULT) != 0) { 15487 if (permissionsState.grantRuntimePermission(bp, userId) 15488 != PERMISSION_OPERATION_FAILURE) { 15489 writeRuntimePermissions = true; 15490 } 15491 // If permission review is enabled the permissions for a legacy apps 15492 // are represented as constantly granted runtime ones, so don't revoke. 15493 } else if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 15494 // Otherwise, reset the permission. 15495 final int revokeResult = permissionsState.revokeRuntimePermission(bp, userId); 15496 switch (revokeResult) { 15497 case PERMISSION_OPERATION_SUCCESS: { 15498 writeRuntimePermissions = true; 15499 } break; 15500 15501 case PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 15502 writeRuntimePermissions = true; 15503 final int appId = ps.appId; 15504 mHandler.post(new Runnable() { 15505 @Override 15506 public void run() { 15507 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 15508 } 15509 }); 15510 } break; 15511 } 15512 } 15513 } 15514 15515 // Synchronously write as we are taking permissions away. 15516 if (writeRuntimePermissions) { 15517 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 15518 } 15519 15520 // Synchronously write as we are taking permissions away. 15521 if (writeInstallPermissions) { 15522 mSettings.writeLPr(); 15523 } 15524 } 15525 15526 /** 15527 * Remove entries from the keystore daemon. Will only remove it if the 15528 * {@code appId} is valid. 15529 */ 15530 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 15531 if (appId < 0) { 15532 return; 15533 } 15534 15535 final KeyStore keyStore = KeyStore.getInstance(); 15536 if (keyStore != null) { 15537 if (userId == UserHandle.USER_ALL) { 15538 for (final int individual : sUserManager.getUserIds()) { 15539 keyStore.clearUid(UserHandle.getUid(individual, appId)); 15540 } 15541 } else { 15542 keyStore.clearUid(UserHandle.getUid(userId, appId)); 15543 } 15544 } else { 15545 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 15546 } 15547 } 15548 15549 @Override 15550 public void deleteApplicationCacheFiles(final String packageName, 15551 final IPackageDataObserver observer) { 15552 mContext.enforceCallingOrSelfPermission( 15553 android.Manifest.permission.DELETE_CACHE_FILES, null); 15554 // Queue up an async operation since the package deletion may take a little while. 15555 final int userId = UserHandle.getCallingUserId(); 15556 mHandler.post(new Runnable() { 15557 public void run() { 15558 mHandler.removeCallbacks(this); 15559 final boolean succeded; 15560 synchronized (mInstallLock) { 15561 succeded = deleteApplicationCacheFilesLI(packageName, userId); 15562 } 15563 clearExternalStorageDataSync(packageName, userId, false); 15564 if (observer != null) { 15565 try { 15566 observer.onRemoveCompleted(packageName, succeded); 15567 } catch (RemoteException e) { 15568 Log.i(TAG, "Observer no longer exists."); 15569 } 15570 } //end if observer 15571 } //end run 15572 }); 15573 } 15574 15575 private boolean deleteApplicationCacheFilesLI(String packageName, int userId) { 15576 if (packageName == null) { 15577 Slog.w(TAG, "Attempt to delete null packageName."); 15578 return false; 15579 } 15580 PackageParser.Package p; 15581 synchronized (mPackages) { 15582 p = mPackages.get(packageName); 15583 } 15584 if (p == null) { 15585 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 15586 return false; 15587 } 15588 final ApplicationInfo applicationInfo = p.applicationInfo; 15589 if (applicationInfo == null) { 15590 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 15591 return false; 15592 } 15593 // TODO: triage flags as part of 26466827 15594 final int flags = StorageManager.FLAG_STORAGE_CE | StorageManager.FLAG_STORAGE_DE; 15595 try { 15596 mInstaller.clearAppData(p.volumeUuid, packageName, userId, 15597 flags | Installer.FLAG_CLEAR_CACHE_ONLY); 15598 } catch (InstallerException e) { 15599 Slog.w(TAG, "Couldn't remove cache files for package " 15600 + packageName + " u" + userId, e); 15601 return false; 15602 } 15603 return true; 15604 } 15605 15606 @Override 15607 public void getPackageSizeInfo(final String packageName, int userHandle, 15608 final IPackageStatsObserver observer) { 15609 mContext.enforceCallingOrSelfPermission( 15610 android.Manifest.permission.GET_PACKAGE_SIZE, null); 15611 if (packageName == null) { 15612 throw new IllegalArgumentException("Attempt to get size of null packageName"); 15613 } 15614 15615 PackageStats stats = new PackageStats(packageName, userHandle); 15616 15617 /* 15618 * Queue up an async operation since the package measurement may take a 15619 * little while. 15620 */ 15621 Message msg = mHandler.obtainMessage(INIT_COPY); 15622 msg.obj = new MeasureParams(stats, observer); 15623 mHandler.sendMessage(msg); 15624 } 15625 15626 private boolean getPackageSizeInfoLI(String packageName, int userHandle, 15627 PackageStats pStats) { 15628 if (packageName == null) { 15629 Slog.w(TAG, "Attempt to get size of null packageName."); 15630 return false; 15631 } 15632 PackageParser.Package p; 15633 boolean dataOnly = false; 15634 String libDirRoot = null; 15635 String asecPath = null; 15636 PackageSetting ps = null; 15637 synchronized (mPackages) { 15638 p = mPackages.get(packageName); 15639 ps = mSettings.mPackages.get(packageName); 15640 if(p == null) { 15641 dataOnly = true; 15642 if((ps == null) || (ps.pkg == null)) { 15643 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 15644 return false; 15645 } 15646 p = ps.pkg; 15647 } 15648 if (ps != null) { 15649 libDirRoot = ps.legacyNativeLibraryPathString; 15650 } 15651 if (p != null && (p.isForwardLocked() || p.applicationInfo.isExternalAsec())) { 15652 final long token = Binder.clearCallingIdentity(); 15653 try { 15654 String secureContainerId = cidFromCodePath(p.applicationInfo.getBaseCodePath()); 15655 if (secureContainerId != null) { 15656 asecPath = PackageHelper.getSdFilesystem(secureContainerId); 15657 } 15658 } finally { 15659 Binder.restoreCallingIdentity(token); 15660 } 15661 } 15662 } 15663 String publicSrcDir = null; 15664 if(!dataOnly) { 15665 final ApplicationInfo applicationInfo = p.applicationInfo; 15666 if (applicationInfo == null) { 15667 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 15668 return false; 15669 } 15670 if (p.isForwardLocked()) { 15671 publicSrcDir = applicationInfo.getBaseResourcePath(); 15672 } 15673 } 15674 // TODO: extend to measure size of split APKs 15675 // TODO(multiArch): Extend getSizeInfo to look at the full subdirectory tree, 15676 // not just the first level. 15677 // TODO(multiArch): Extend getSizeInfo to look at *all* instruction sets, not 15678 // just the primary. 15679 String[] dexCodeInstructionSets = getDexCodeInstructionSets(getAppDexInstructionSets(ps)); 15680 15681 String apkPath; 15682 File packageDir = new File(p.codePath); 15683 15684 if (packageDir.isDirectory() && p.canHaveOatDir()) { 15685 apkPath = packageDir.getAbsolutePath(); 15686 // If libDirRoot is inside a package dir, set it to null to avoid it being counted twice 15687 if (libDirRoot != null && libDirRoot.startsWith(apkPath)) { 15688 libDirRoot = null; 15689 } 15690 } else { 15691 apkPath = p.baseCodePath; 15692 } 15693 15694 // TODO: triage flags as part of 26466827 15695 final int flags = StorageManager.FLAG_STORAGE_CE | StorageManager.FLAG_STORAGE_DE; 15696 try { 15697 mInstaller.getAppSize(p.volumeUuid, packageName, userHandle, flags, apkPath, 15698 libDirRoot, publicSrcDir, asecPath, dexCodeInstructionSets, pStats); 15699 } catch (InstallerException e) { 15700 return false; 15701 } 15702 15703 // Fix-up for forward-locked applications in ASEC containers. 15704 if (!isExternal(p)) { 15705 pStats.codeSize += pStats.externalCodeSize; 15706 pStats.externalCodeSize = 0L; 15707 } 15708 15709 return true; 15710 } 15711 15712 private int getUidTargetSdkVersionLockedLPr(int uid) { 15713 Object obj = mSettings.getUserIdLPr(uid); 15714 if (obj instanceof SharedUserSetting) { 15715 final SharedUserSetting sus = (SharedUserSetting) obj; 15716 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 15717 final Iterator<PackageSetting> it = sus.packages.iterator(); 15718 while (it.hasNext()) { 15719 final PackageSetting ps = it.next(); 15720 if (ps.pkg != null) { 15721 int v = ps.pkg.applicationInfo.targetSdkVersion; 15722 if (v < vers) vers = v; 15723 } 15724 } 15725 return vers; 15726 } else if (obj instanceof PackageSetting) { 15727 final PackageSetting ps = (PackageSetting) obj; 15728 if (ps.pkg != null) { 15729 return ps.pkg.applicationInfo.targetSdkVersion; 15730 } 15731 } 15732 return Build.VERSION_CODES.CUR_DEVELOPMENT; 15733 } 15734 15735 @Override 15736 public void addPreferredActivity(IntentFilter filter, int match, 15737 ComponentName[] set, ComponentName activity, int userId) { 15738 addPreferredActivityInternal(filter, match, set, activity, true, userId, 15739 "Adding preferred"); 15740 } 15741 15742 private void addPreferredActivityInternal(IntentFilter filter, int match, 15743 ComponentName[] set, ComponentName activity, boolean always, int userId, 15744 String opname) { 15745 // writer 15746 int callingUid = Binder.getCallingUid(); 15747 enforceCrossUserPermission(callingUid, userId, 15748 true /* requireFullPermission */, false /* checkShell */, "add preferred activity"); 15749 if (filter.countActions() == 0) { 15750 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 15751 return; 15752 } 15753 synchronized (mPackages) { 15754 if (mContext.checkCallingOrSelfPermission( 15755 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 15756 != PackageManager.PERMISSION_GRANTED) { 15757 if (getUidTargetSdkVersionLockedLPr(callingUid) 15758 < Build.VERSION_CODES.FROYO) { 15759 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 15760 + callingUid); 15761 return; 15762 } 15763 mContext.enforceCallingOrSelfPermission( 15764 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 15765 } 15766 15767 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 15768 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 15769 + userId + ":"); 15770 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 15771 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 15772 scheduleWritePackageRestrictionsLocked(userId); 15773 } 15774 } 15775 15776 @Override 15777 public void replacePreferredActivity(IntentFilter filter, int match, 15778 ComponentName[] set, ComponentName activity, int userId) { 15779 if (filter.countActions() != 1) { 15780 throw new IllegalArgumentException( 15781 "replacePreferredActivity expects filter to have only 1 action."); 15782 } 15783 if (filter.countDataAuthorities() != 0 15784 || filter.countDataPaths() != 0 15785 || filter.countDataSchemes() > 1 15786 || filter.countDataTypes() != 0) { 15787 throw new IllegalArgumentException( 15788 "replacePreferredActivity expects filter to have no data authorities, " + 15789 "paths, or types; and at most one scheme."); 15790 } 15791 15792 final int callingUid = Binder.getCallingUid(); 15793 enforceCrossUserPermission(callingUid, userId, 15794 true /* requireFullPermission */, false /* checkShell */, 15795 "replace preferred activity"); 15796 synchronized (mPackages) { 15797 if (mContext.checkCallingOrSelfPermission( 15798 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 15799 != PackageManager.PERMISSION_GRANTED) { 15800 if (getUidTargetSdkVersionLockedLPr(callingUid) 15801 < Build.VERSION_CODES.FROYO) { 15802 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 15803 + Binder.getCallingUid()); 15804 return; 15805 } 15806 mContext.enforceCallingOrSelfPermission( 15807 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 15808 } 15809 15810 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 15811 if (pir != null) { 15812 // Get all of the existing entries that exactly match this filter. 15813 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 15814 if (existing != null && existing.size() == 1) { 15815 PreferredActivity cur = existing.get(0); 15816 if (DEBUG_PREFERRED) { 15817 Slog.i(TAG, "Checking replace of preferred:"); 15818 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 15819 if (!cur.mPref.mAlways) { 15820 Slog.i(TAG, " -- CUR; not mAlways!"); 15821 } else { 15822 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 15823 Slog.i(TAG, " -- CUR: mSet=" 15824 + Arrays.toString(cur.mPref.mSetComponents)); 15825 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 15826 Slog.i(TAG, " -- NEW: mMatch=" 15827 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 15828 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 15829 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 15830 } 15831 } 15832 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 15833 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 15834 && cur.mPref.sameSet(set)) { 15835 // Setting the preferred activity to what it happens to be already 15836 if (DEBUG_PREFERRED) { 15837 Slog.i(TAG, "Replacing with same preferred activity " 15838 + cur.mPref.mShortComponent + " for user " 15839 + userId + ":"); 15840 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 15841 } 15842 return; 15843 } 15844 } 15845 15846 if (existing != null) { 15847 if (DEBUG_PREFERRED) { 15848 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 15849 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 15850 } 15851 for (int i = 0; i < existing.size(); i++) { 15852 PreferredActivity pa = existing.get(i); 15853 if (DEBUG_PREFERRED) { 15854 Slog.i(TAG, "Removing existing preferred activity " 15855 + pa.mPref.mComponent + ":"); 15856 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 15857 } 15858 pir.removeFilter(pa); 15859 } 15860 } 15861 } 15862 addPreferredActivityInternal(filter, match, set, activity, true, userId, 15863 "Replacing preferred"); 15864 } 15865 } 15866 15867 @Override 15868 public void clearPackagePreferredActivities(String packageName) { 15869 final int uid = Binder.getCallingUid(); 15870 // writer 15871 synchronized (mPackages) { 15872 PackageParser.Package pkg = mPackages.get(packageName); 15873 if (pkg == null || pkg.applicationInfo.uid != uid) { 15874 if (mContext.checkCallingOrSelfPermission( 15875 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 15876 != PackageManager.PERMISSION_GRANTED) { 15877 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 15878 < Build.VERSION_CODES.FROYO) { 15879 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 15880 + Binder.getCallingUid()); 15881 return; 15882 } 15883 mContext.enforceCallingOrSelfPermission( 15884 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 15885 } 15886 } 15887 15888 int user = UserHandle.getCallingUserId(); 15889 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 15890 scheduleWritePackageRestrictionsLocked(user); 15891 } 15892 } 15893 } 15894 15895 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 15896 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 15897 ArrayList<PreferredActivity> removed = null; 15898 boolean changed = false; 15899 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 15900 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 15901 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 15902 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 15903 continue; 15904 } 15905 Iterator<PreferredActivity> it = pir.filterIterator(); 15906 while (it.hasNext()) { 15907 PreferredActivity pa = it.next(); 15908 // Mark entry for removal only if it matches the package name 15909 // and the entry is of type "always". 15910 if (packageName == null || 15911 (pa.mPref.mComponent.getPackageName().equals(packageName) 15912 && pa.mPref.mAlways)) { 15913 if (removed == null) { 15914 removed = new ArrayList<PreferredActivity>(); 15915 } 15916 removed.add(pa); 15917 } 15918 } 15919 if (removed != null) { 15920 for (int j=0; j<removed.size(); j++) { 15921 PreferredActivity pa = removed.get(j); 15922 pir.removeFilter(pa); 15923 } 15924 changed = true; 15925 } 15926 } 15927 return changed; 15928 } 15929 15930 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 15931 private void clearIntentFilterVerificationsLPw(int userId) { 15932 final int packageCount = mPackages.size(); 15933 for (int i = 0; i < packageCount; i++) { 15934 PackageParser.Package pkg = mPackages.valueAt(i); 15935 clearIntentFilterVerificationsLPw(pkg.packageName, userId); 15936 } 15937 } 15938 15939 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 15940 void clearIntentFilterVerificationsLPw(String packageName, int userId) { 15941 if (userId == UserHandle.USER_ALL) { 15942 if (mSettings.removeIntentFilterVerificationLPw(packageName, 15943 sUserManager.getUserIds())) { 15944 for (int oneUserId : sUserManager.getUserIds()) { 15945 scheduleWritePackageRestrictionsLocked(oneUserId); 15946 } 15947 } 15948 } else { 15949 if (mSettings.removeIntentFilterVerificationLPw(packageName, userId)) { 15950 scheduleWritePackageRestrictionsLocked(userId); 15951 } 15952 } 15953 } 15954 15955 void clearDefaultBrowserIfNeeded(String packageName) { 15956 for (int oneUserId : sUserManager.getUserIds()) { 15957 String defaultBrowserPackageName = getDefaultBrowserPackageName(oneUserId); 15958 if (TextUtils.isEmpty(defaultBrowserPackageName)) continue; 15959 if (packageName.equals(defaultBrowserPackageName)) { 15960 setDefaultBrowserPackageName(null, oneUserId); 15961 } 15962 } 15963 } 15964 15965 @Override 15966 public void resetApplicationPreferences(int userId) { 15967 mContext.enforceCallingOrSelfPermission( 15968 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 15969 // writer 15970 synchronized (mPackages) { 15971 final long identity = Binder.clearCallingIdentity(); 15972 try { 15973 clearPackagePreferredActivitiesLPw(null, userId); 15974 mSettings.applyDefaultPreferredAppsLPw(this, userId); 15975 // TODO: We have to reset the default SMS and Phone. This requires 15976 // significant refactoring to keep all default apps in the package 15977 // manager (cleaner but more work) or have the services provide 15978 // callbacks to the package manager to request a default app reset. 15979 applyFactoryDefaultBrowserLPw(userId); 15980 clearIntentFilterVerificationsLPw(userId); 15981 primeDomainVerificationsLPw(userId); 15982 resetUserChangesToRuntimePermissionsAndFlagsLPw(userId); 15983 scheduleWritePackageRestrictionsLocked(userId); 15984 } finally { 15985 Binder.restoreCallingIdentity(identity); 15986 } 15987 } 15988 } 15989 15990 @Override 15991 public int getPreferredActivities(List<IntentFilter> outFilters, 15992 List<ComponentName> outActivities, String packageName) { 15993 15994 int num = 0; 15995 final int userId = UserHandle.getCallingUserId(); 15996 // reader 15997 synchronized (mPackages) { 15998 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 15999 if (pir != null) { 16000 final Iterator<PreferredActivity> it = pir.filterIterator(); 16001 while (it.hasNext()) { 16002 final PreferredActivity pa = it.next(); 16003 if (packageName == null 16004 || (pa.mPref.mComponent.getPackageName().equals(packageName) 16005 && pa.mPref.mAlways)) { 16006 if (outFilters != null) { 16007 outFilters.add(new IntentFilter(pa)); 16008 } 16009 if (outActivities != null) { 16010 outActivities.add(pa.mPref.mComponent); 16011 } 16012 } 16013 } 16014 } 16015 } 16016 16017 return num; 16018 } 16019 16020 @Override 16021 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 16022 int userId) { 16023 int callingUid = Binder.getCallingUid(); 16024 if (callingUid != Process.SYSTEM_UID) { 16025 throw new SecurityException( 16026 "addPersistentPreferredActivity can only be run by the system"); 16027 } 16028 if (filter.countActions() == 0) { 16029 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 16030 return; 16031 } 16032 synchronized (mPackages) { 16033 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 16034 ":"); 16035 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16036 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 16037 new PersistentPreferredActivity(filter, activity)); 16038 scheduleWritePackageRestrictionsLocked(userId); 16039 } 16040 } 16041 16042 @Override 16043 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 16044 int callingUid = Binder.getCallingUid(); 16045 if (callingUid != Process.SYSTEM_UID) { 16046 throw new SecurityException( 16047 "clearPackagePersistentPreferredActivities can only be run by the system"); 16048 } 16049 ArrayList<PersistentPreferredActivity> removed = null; 16050 boolean changed = false; 16051 synchronized (mPackages) { 16052 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 16053 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 16054 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 16055 .valueAt(i); 16056 if (userId != thisUserId) { 16057 continue; 16058 } 16059 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 16060 while (it.hasNext()) { 16061 PersistentPreferredActivity ppa = it.next(); 16062 // Mark entry for removal only if it matches the package name. 16063 if (ppa.mComponent.getPackageName().equals(packageName)) { 16064 if (removed == null) { 16065 removed = new ArrayList<PersistentPreferredActivity>(); 16066 } 16067 removed.add(ppa); 16068 } 16069 } 16070 if (removed != null) { 16071 for (int j=0; j<removed.size(); j++) { 16072 PersistentPreferredActivity ppa = removed.get(j); 16073 ppir.removeFilter(ppa); 16074 } 16075 changed = true; 16076 } 16077 } 16078 16079 if (changed) { 16080 scheduleWritePackageRestrictionsLocked(userId); 16081 } 16082 } 16083 } 16084 16085 /** 16086 * Common machinery for picking apart a restored XML blob and passing 16087 * it to a caller-supplied functor to be applied to the running system. 16088 */ 16089 private void restoreFromXml(XmlPullParser parser, int userId, 16090 String expectedStartTag, BlobXmlRestorer functor) 16091 throws IOException, XmlPullParserException { 16092 int type; 16093 while ((type = parser.next()) != XmlPullParser.START_TAG 16094 && type != XmlPullParser.END_DOCUMENT) { 16095 } 16096 if (type != XmlPullParser.START_TAG) { 16097 // oops didn't find a start tag?! 16098 if (DEBUG_BACKUP) { 16099 Slog.e(TAG, "Didn't find start tag during restore"); 16100 } 16101 return; 16102 } 16103Slog.v(TAG, ":: restoreFromXml() : got to tag " + parser.getName()); 16104 // this is supposed to be TAG_PREFERRED_BACKUP 16105 if (!expectedStartTag.equals(parser.getName())) { 16106 if (DEBUG_BACKUP) { 16107 Slog.e(TAG, "Found unexpected tag " + parser.getName()); 16108 } 16109 return; 16110 } 16111 16112 // skip interfering stuff, then we're aligned with the backing implementation 16113 while ((type = parser.next()) == XmlPullParser.TEXT) { } 16114Slog.v(TAG, ":: stepped forward, applying functor at tag " + parser.getName()); 16115 functor.apply(parser, userId); 16116 } 16117 16118 private interface BlobXmlRestorer { 16119 public void apply(XmlPullParser parser, int userId) throws IOException, XmlPullParserException; 16120 } 16121 16122 /** 16123 * Non-Binder method, support for the backup/restore mechanism: write the 16124 * full set of preferred activities in its canonical XML format. Returns the 16125 * XML output as a byte array, or null if there is none. 16126 */ 16127 @Override 16128 public byte[] getPreferredActivityBackup(int userId) { 16129 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16130 throw new SecurityException("Only the system may call getPreferredActivityBackup()"); 16131 } 16132 16133 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 16134 try { 16135 final XmlSerializer serializer = new FastXmlSerializer(); 16136 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 16137 serializer.startDocument(null, true); 16138 serializer.startTag(null, TAG_PREFERRED_BACKUP); 16139 16140 synchronized (mPackages) { 16141 mSettings.writePreferredActivitiesLPr(serializer, userId, true); 16142 } 16143 16144 serializer.endTag(null, TAG_PREFERRED_BACKUP); 16145 serializer.endDocument(); 16146 serializer.flush(); 16147 } catch (Exception e) { 16148 if (DEBUG_BACKUP) { 16149 Slog.e(TAG, "Unable to write preferred activities for backup", e); 16150 } 16151 return null; 16152 } 16153 16154 return dataStream.toByteArray(); 16155 } 16156 16157 @Override 16158 public void restorePreferredActivities(byte[] backup, int userId) { 16159 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16160 throw new SecurityException("Only the system may call restorePreferredActivities()"); 16161 } 16162 16163 try { 16164 final XmlPullParser parser = Xml.newPullParser(); 16165 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 16166 restoreFromXml(parser, userId, TAG_PREFERRED_BACKUP, 16167 new BlobXmlRestorer() { 16168 @Override 16169 public void apply(XmlPullParser parser, int userId) 16170 throws XmlPullParserException, IOException { 16171 synchronized (mPackages) { 16172 mSettings.readPreferredActivitiesLPw(parser, userId); 16173 } 16174 } 16175 } ); 16176 } catch (Exception e) { 16177 if (DEBUG_BACKUP) { 16178 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 16179 } 16180 } 16181 } 16182 16183 /** 16184 * Non-Binder method, support for the backup/restore mechanism: write the 16185 * default browser (etc) settings in its canonical XML format. Returns the default 16186 * browser XML representation as a byte array, or null if there is none. 16187 */ 16188 @Override 16189 public byte[] getDefaultAppsBackup(int userId) { 16190 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16191 throw new SecurityException("Only the system may call getDefaultAppsBackup()"); 16192 } 16193 16194 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 16195 try { 16196 final XmlSerializer serializer = new FastXmlSerializer(); 16197 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 16198 serializer.startDocument(null, true); 16199 serializer.startTag(null, TAG_DEFAULT_APPS); 16200 16201 synchronized (mPackages) { 16202 mSettings.writeDefaultAppsLPr(serializer, userId); 16203 } 16204 16205 serializer.endTag(null, TAG_DEFAULT_APPS); 16206 serializer.endDocument(); 16207 serializer.flush(); 16208 } catch (Exception e) { 16209 if (DEBUG_BACKUP) { 16210 Slog.e(TAG, "Unable to write default apps for backup", e); 16211 } 16212 return null; 16213 } 16214 16215 return dataStream.toByteArray(); 16216 } 16217 16218 @Override 16219 public void restoreDefaultApps(byte[] backup, int userId) { 16220 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16221 throw new SecurityException("Only the system may call restoreDefaultApps()"); 16222 } 16223 16224 try { 16225 final XmlPullParser parser = Xml.newPullParser(); 16226 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 16227 restoreFromXml(parser, userId, TAG_DEFAULT_APPS, 16228 new BlobXmlRestorer() { 16229 @Override 16230 public void apply(XmlPullParser parser, int userId) 16231 throws XmlPullParserException, IOException { 16232 synchronized (mPackages) { 16233 mSettings.readDefaultAppsLPw(parser, userId); 16234 } 16235 } 16236 } ); 16237 } catch (Exception e) { 16238 if (DEBUG_BACKUP) { 16239 Slog.e(TAG, "Exception restoring default apps: " + e.getMessage()); 16240 } 16241 } 16242 } 16243 16244 @Override 16245 public byte[] getIntentFilterVerificationBackup(int userId) { 16246 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16247 throw new SecurityException("Only the system may call getIntentFilterVerificationBackup()"); 16248 } 16249 16250 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 16251 try { 16252 final XmlSerializer serializer = new FastXmlSerializer(); 16253 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 16254 serializer.startDocument(null, true); 16255 serializer.startTag(null, TAG_INTENT_FILTER_VERIFICATION); 16256 16257 synchronized (mPackages) { 16258 mSettings.writeAllDomainVerificationsLPr(serializer, userId); 16259 } 16260 16261 serializer.endTag(null, TAG_INTENT_FILTER_VERIFICATION); 16262 serializer.endDocument(); 16263 serializer.flush(); 16264 } catch (Exception e) { 16265 if (DEBUG_BACKUP) { 16266 Slog.e(TAG, "Unable to write default apps for backup", e); 16267 } 16268 return null; 16269 } 16270 16271 return dataStream.toByteArray(); 16272 } 16273 16274 @Override 16275 public void restoreIntentFilterVerification(byte[] backup, int userId) { 16276 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16277 throw new SecurityException("Only the system may call restorePreferredActivities()"); 16278 } 16279 16280 try { 16281 final XmlPullParser parser = Xml.newPullParser(); 16282 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 16283 restoreFromXml(parser, userId, TAG_INTENT_FILTER_VERIFICATION, 16284 new BlobXmlRestorer() { 16285 @Override 16286 public void apply(XmlPullParser parser, int userId) 16287 throws XmlPullParserException, IOException { 16288 synchronized (mPackages) { 16289 mSettings.readAllDomainVerificationsLPr(parser, userId); 16290 mSettings.writeLPr(); 16291 } 16292 } 16293 } ); 16294 } catch (Exception e) { 16295 if (DEBUG_BACKUP) { 16296 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 16297 } 16298 } 16299 } 16300 16301 @Override 16302 public byte[] getPermissionGrantBackup(int userId) { 16303 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16304 throw new SecurityException("Only the system may call getPermissionGrantBackup()"); 16305 } 16306 16307 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 16308 try { 16309 final XmlSerializer serializer = new FastXmlSerializer(); 16310 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 16311 serializer.startDocument(null, true); 16312 serializer.startTag(null, TAG_PERMISSION_BACKUP); 16313 16314 synchronized (mPackages) { 16315 serializeRuntimePermissionGrantsLPr(serializer, userId); 16316 } 16317 16318 serializer.endTag(null, TAG_PERMISSION_BACKUP); 16319 serializer.endDocument(); 16320 serializer.flush(); 16321 } catch (Exception e) { 16322 if (DEBUG_BACKUP) { 16323 Slog.e(TAG, "Unable to write default apps for backup", e); 16324 } 16325 return null; 16326 } 16327 16328 return dataStream.toByteArray(); 16329 } 16330 16331 @Override 16332 public void restorePermissionGrants(byte[] backup, int userId) { 16333 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16334 throw new SecurityException("Only the system may call restorePermissionGrants()"); 16335 } 16336 16337 try { 16338 final XmlPullParser parser = Xml.newPullParser(); 16339 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 16340 restoreFromXml(parser, userId, TAG_PERMISSION_BACKUP, 16341 new BlobXmlRestorer() { 16342 @Override 16343 public void apply(XmlPullParser parser, int userId) 16344 throws XmlPullParserException, IOException { 16345 synchronized (mPackages) { 16346 processRestoredPermissionGrantsLPr(parser, userId); 16347 } 16348 } 16349 } ); 16350 } catch (Exception e) { 16351 if (DEBUG_BACKUP) { 16352 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 16353 } 16354 } 16355 } 16356 16357 private void serializeRuntimePermissionGrantsLPr(XmlSerializer serializer, final int userId) 16358 throws IOException { 16359 serializer.startTag(null, TAG_ALL_GRANTS); 16360 16361 final int N = mSettings.mPackages.size(); 16362 for (int i = 0; i < N; i++) { 16363 final PackageSetting ps = mSettings.mPackages.valueAt(i); 16364 boolean pkgGrantsKnown = false; 16365 16366 PermissionsState packagePerms = ps.getPermissionsState(); 16367 16368 for (PermissionState state : packagePerms.getRuntimePermissionStates(userId)) { 16369 final int grantFlags = state.getFlags(); 16370 // only look at grants that are not system/policy fixed 16371 if ((grantFlags & SYSTEM_RUNTIME_GRANT_MASK) == 0) { 16372 final boolean isGranted = state.isGranted(); 16373 // And only back up the user-twiddled state bits 16374 if (isGranted || (grantFlags & USER_RUNTIME_GRANT_MASK) != 0) { 16375 final String packageName = mSettings.mPackages.keyAt(i); 16376 if (!pkgGrantsKnown) { 16377 serializer.startTag(null, TAG_GRANT); 16378 serializer.attribute(null, ATTR_PACKAGE_NAME, packageName); 16379 pkgGrantsKnown = true; 16380 } 16381 16382 final boolean userSet = 16383 (grantFlags & FLAG_PERMISSION_USER_SET) != 0; 16384 final boolean userFixed = 16385 (grantFlags & FLAG_PERMISSION_USER_FIXED) != 0; 16386 final boolean revoke = 16387 (grantFlags & FLAG_PERMISSION_REVOKE_ON_UPGRADE) != 0; 16388 16389 serializer.startTag(null, TAG_PERMISSION); 16390 serializer.attribute(null, ATTR_PERMISSION_NAME, state.getName()); 16391 if (isGranted) { 16392 serializer.attribute(null, ATTR_IS_GRANTED, "true"); 16393 } 16394 if (userSet) { 16395 serializer.attribute(null, ATTR_USER_SET, "true"); 16396 } 16397 if (userFixed) { 16398 serializer.attribute(null, ATTR_USER_FIXED, "true"); 16399 } 16400 if (revoke) { 16401 serializer.attribute(null, ATTR_REVOKE_ON_UPGRADE, "true"); 16402 } 16403 serializer.endTag(null, TAG_PERMISSION); 16404 } 16405 } 16406 } 16407 16408 if (pkgGrantsKnown) { 16409 serializer.endTag(null, TAG_GRANT); 16410 } 16411 } 16412 16413 serializer.endTag(null, TAG_ALL_GRANTS); 16414 } 16415 16416 private void processRestoredPermissionGrantsLPr(XmlPullParser parser, int userId) 16417 throws XmlPullParserException, IOException { 16418 String pkgName = null; 16419 int outerDepth = parser.getDepth(); 16420 int type; 16421 while ((type = parser.next()) != XmlPullParser.END_DOCUMENT 16422 && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 16423 if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 16424 continue; 16425 } 16426 16427 final String tagName = parser.getName(); 16428 if (tagName.equals(TAG_GRANT)) { 16429 pkgName = parser.getAttributeValue(null, ATTR_PACKAGE_NAME); 16430 if (DEBUG_BACKUP) { 16431 Slog.v(TAG, "+++ Restoring grants for package " + pkgName); 16432 } 16433 } else if (tagName.equals(TAG_PERMISSION)) { 16434 16435 final boolean isGranted = "true".equals(parser.getAttributeValue(null, ATTR_IS_GRANTED)); 16436 final String permName = parser.getAttributeValue(null, ATTR_PERMISSION_NAME); 16437 16438 int newFlagSet = 0; 16439 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_SET))) { 16440 newFlagSet |= FLAG_PERMISSION_USER_SET; 16441 } 16442 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_FIXED))) { 16443 newFlagSet |= FLAG_PERMISSION_USER_FIXED; 16444 } 16445 if ("true".equals(parser.getAttributeValue(null, ATTR_REVOKE_ON_UPGRADE))) { 16446 newFlagSet |= FLAG_PERMISSION_REVOKE_ON_UPGRADE; 16447 } 16448 if (DEBUG_BACKUP) { 16449 Slog.v(TAG, " + Restoring grant: pkg=" + pkgName + " perm=" + permName 16450 + " granted=" + isGranted + " bits=0x" + Integer.toHexString(newFlagSet)); 16451 } 16452 final PackageSetting ps = mSettings.mPackages.get(pkgName); 16453 if (ps != null) { 16454 // Already installed so we apply the grant immediately 16455 if (DEBUG_BACKUP) { 16456 Slog.v(TAG, " + already installed; applying"); 16457 } 16458 PermissionsState perms = ps.getPermissionsState(); 16459 BasePermission bp = mSettings.mPermissions.get(permName); 16460 if (bp != null) { 16461 if (isGranted) { 16462 perms.grantRuntimePermission(bp, userId); 16463 } 16464 if (newFlagSet != 0) { 16465 perms.updatePermissionFlags(bp, userId, USER_RUNTIME_GRANT_MASK, newFlagSet); 16466 } 16467 } 16468 } else { 16469 // Need to wait for post-restore install to apply the grant 16470 if (DEBUG_BACKUP) { 16471 Slog.v(TAG, " - not yet installed; saving for later"); 16472 } 16473 mSettings.processRestoredPermissionGrantLPr(pkgName, permName, 16474 isGranted, newFlagSet, userId); 16475 } 16476 } else { 16477 PackageManagerService.reportSettingsProblem(Log.WARN, 16478 "Unknown element under <" + TAG_PERMISSION_BACKUP + ">: " + tagName); 16479 XmlUtils.skipCurrentTag(parser); 16480 } 16481 } 16482 16483 scheduleWriteSettingsLocked(); 16484 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 16485 } 16486 16487 @Override 16488 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 16489 int sourceUserId, int targetUserId, int flags) { 16490 mContext.enforceCallingOrSelfPermission( 16491 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 16492 int callingUid = Binder.getCallingUid(); 16493 enforceOwnerRights(ownerPackage, callingUid); 16494 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 16495 if (intentFilter.countActions() == 0) { 16496 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 16497 return; 16498 } 16499 synchronized (mPackages) { 16500 CrossProfileIntentFilter newFilter = new CrossProfileIntentFilter(intentFilter, 16501 ownerPackage, targetUserId, flags); 16502 CrossProfileIntentResolver resolver = 16503 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 16504 ArrayList<CrossProfileIntentFilter> existing = resolver.findFilters(intentFilter); 16505 // We have all those whose filter is equal. Now checking if the rest is equal as well. 16506 if (existing != null) { 16507 int size = existing.size(); 16508 for (int i = 0; i < size; i++) { 16509 if (newFilter.equalsIgnoreFilter(existing.get(i))) { 16510 return; 16511 } 16512 } 16513 } 16514 resolver.addFilter(newFilter); 16515 scheduleWritePackageRestrictionsLocked(sourceUserId); 16516 } 16517 } 16518 16519 @Override 16520 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage) { 16521 mContext.enforceCallingOrSelfPermission( 16522 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 16523 int callingUid = Binder.getCallingUid(); 16524 enforceOwnerRights(ownerPackage, callingUid); 16525 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 16526 synchronized (mPackages) { 16527 CrossProfileIntentResolver resolver = 16528 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 16529 ArraySet<CrossProfileIntentFilter> set = 16530 new ArraySet<CrossProfileIntentFilter>(resolver.filterSet()); 16531 for (CrossProfileIntentFilter filter : set) { 16532 if (filter.getOwnerPackage().equals(ownerPackage)) { 16533 resolver.removeFilter(filter); 16534 } 16535 } 16536 scheduleWritePackageRestrictionsLocked(sourceUserId); 16537 } 16538 } 16539 16540 // Enforcing that callingUid is owning pkg on userId 16541 private void enforceOwnerRights(String pkg, int callingUid) { 16542 // The system owns everything. 16543 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 16544 return; 16545 } 16546 int callingUserId = UserHandle.getUserId(callingUid); 16547 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 16548 if (pi == null) { 16549 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 16550 + callingUserId); 16551 } 16552 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 16553 throw new SecurityException("Calling uid " + callingUid 16554 + " does not own package " + pkg); 16555 } 16556 } 16557 16558 @Override 16559 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 16560 return getHomeActivitiesAsUser(allHomeCandidates, UserHandle.getCallingUserId()); 16561 } 16562 16563 private Intent getHomeIntent() { 16564 Intent intent = new Intent(Intent.ACTION_MAIN); 16565 intent.addCategory(Intent.CATEGORY_HOME); 16566 return intent; 16567 } 16568 16569 private IntentFilter getHomeFilter() { 16570 IntentFilter filter = new IntentFilter(Intent.ACTION_MAIN); 16571 filter.addCategory(Intent.CATEGORY_HOME); 16572 filter.addCategory(Intent.CATEGORY_DEFAULT); 16573 return filter; 16574 } 16575 16576 ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 16577 int userId) { 16578 Intent intent = getHomeIntent(); 16579 List<ResolveInfo> list = queryIntentActivitiesInternal(intent, null, 16580 PackageManager.GET_META_DATA, userId); 16581 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 16582 true, false, false, userId); 16583 16584 allHomeCandidates.clear(); 16585 if (list != null) { 16586 for (ResolveInfo ri : list) { 16587 allHomeCandidates.add(ri); 16588 } 16589 } 16590 return (preferred == null || preferred.activityInfo == null) 16591 ? null 16592 : new ComponentName(preferred.activityInfo.packageName, 16593 preferred.activityInfo.name); 16594 } 16595 16596 @Override 16597 public void setHomeActivity(ComponentName comp, int userId) { 16598 ArrayList<ResolveInfo> homeActivities = new ArrayList<>(); 16599 getHomeActivitiesAsUser(homeActivities, userId); 16600 16601 boolean found = false; 16602 16603 final int size = homeActivities.size(); 16604 final ComponentName[] set = new ComponentName[size]; 16605 for (int i = 0; i < size; i++) { 16606 final ResolveInfo candidate = homeActivities.get(i); 16607 final ActivityInfo info = candidate.activityInfo; 16608 final ComponentName activityName = new ComponentName(info.packageName, info.name); 16609 set[i] = activityName; 16610 if (!found && activityName.equals(comp)) { 16611 found = true; 16612 } 16613 } 16614 if (!found) { 16615 throw new IllegalArgumentException("Component " + comp + " cannot be home on user " 16616 + userId); 16617 } 16618 replacePreferredActivity(getHomeFilter(), IntentFilter.MATCH_CATEGORY_EMPTY, 16619 set, comp, userId); 16620 } 16621 16622 @Override 16623 public void setApplicationEnabledSetting(String appPackageName, 16624 int newState, int flags, int userId, String callingPackage) { 16625 if (!sUserManager.exists(userId)) return; 16626 if (callingPackage == null) { 16627 callingPackage = Integer.toString(Binder.getCallingUid()); 16628 } 16629 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 16630 } 16631 16632 @Override 16633 public void setComponentEnabledSetting(ComponentName componentName, 16634 int newState, int flags, int userId) { 16635 if (!sUserManager.exists(userId)) return; 16636 setEnabledSetting(componentName.getPackageName(), 16637 componentName.getClassName(), newState, flags, userId, null); 16638 } 16639 16640 private void setEnabledSetting(final String packageName, String className, int newState, 16641 final int flags, int userId, String callingPackage) { 16642 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 16643 || newState == COMPONENT_ENABLED_STATE_ENABLED 16644 || newState == COMPONENT_ENABLED_STATE_DISABLED 16645 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 16646 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 16647 throw new IllegalArgumentException("Invalid new component state: " 16648 + newState); 16649 } 16650 PackageSetting pkgSetting; 16651 final int uid = Binder.getCallingUid(); 16652 final int permission = mContext.checkCallingOrSelfPermission( 16653 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 16654 enforceCrossUserPermission(uid, userId, 16655 false /* requireFullPermission */, true /* checkShell */, "set enabled"); 16656 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 16657 boolean sendNow = false; 16658 boolean isApp = (className == null); 16659 String componentName = isApp ? packageName : className; 16660 int packageUid = -1; 16661 ArrayList<String> components; 16662 16663 // writer 16664 synchronized (mPackages) { 16665 pkgSetting = mSettings.mPackages.get(packageName); 16666 if (pkgSetting == null) { 16667 if (className == null) { 16668 throw new IllegalArgumentException("Unknown package: " + packageName); 16669 } 16670 throw new IllegalArgumentException( 16671 "Unknown component: " + packageName + "/" + className); 16672 } 16673 // Allow root and verify that userId is not being specified by a different user 16674 if (!allowedByPermission && !UserHandle.isSameApp(uid, pkgSetting.appId)) { 16675 throw new SecurityException( 16676 "Permission Denial: attempt to change component state from pid=" 16677 + Binder.getCallingPid() 16678 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 16679 } 16680 if (className == null) { 16681 // We're dealing with an application/package level state change 16682 if (pkgSetting.getEnabled(userId) == newState) { 16683 // Nothing to do 16684 return; 16685 } 16686 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 16687 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 16688 // Don't care about who enables an app. 16689 callingPackage = null; 16690 } 16691 pkgSetting.setEnabled(newState, userId, callingPackage); 16692 // pkgSetting.pkg.mSetEnabled = newState; 16693 } else { 16694 // We're dealing with a component level state change 16695 // First, verify that this is a valid class name. 16696 PackageParser.Package pkg = pkgSetting.pkg; 16697 if (pkg == null || !pkg.hasComponentClassName(className)) { 16698 if (pkg != null && 16699 pkg.applicationInfo.targetSdkVersion >= 16700 Build.VERSION_CODES.JELLY_BEAN) { 16701 throw new IllegalArgumentException("Component class " + className 16702 + " does not exist in " + packageName); 16703 } else { 16704 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 16705 + className + " does not exist in " + packageName); 16706 } 16707 } 16708 switch (newState) { 16709 case COMPONENT_ENABLED_STATE_ENABLED: 16710 if (!pkgSetting.enableComponentLPw(className, userId)) { 16711 return; 16712 } 16713 break; 16714 case COMPONENT_ENABLED_STATE_DISABLED: 16715 if (!pkgSetting.disableComponentLPw(className, userId)) { 16716 return; 16717 } 16718 break; 16719 case COMPONENT_ENABLED_STATE_DEFAULT: 16720 if (!pkgSetting.restoreComponentLPw(className, userId)) { 16721 return; 16722 } 16723 break; 16724 default: 16725 Slog.e(TAG, "Invalid new component state: " + newState); 16726 return; 16727 } 16728 } 16729 scheduleWritePackageRestrictionsLocked(userId); 16730 components = mPendingBroadcasts.get(userId, packageName); 16731 final boolean newPackage = components == null; 16732 if (newPackage) { 16733 components = new ArrayList<String>(); 16734 } 16735 if (!components.contains(componentName)) { 16736 components.add(componentName); 16737 } 16738 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 16739 sendNow = true; 16740 // Purge entry from pending broadcast list if another one exists already 16741 // since we are sending one right away. 16742 mPendingBroadcasts.remove(userId, packageName); 16743 } else { 16744 if (newPackage) { 16745 mPendingBroadcasts.put(userId, packageName, components); 16746 } 16747 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 16748 // Schedule a message 16749 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 16750 } 16751 } 16752 } 16753 16754 long callingId = Binder.clearCallingIdentity(); 16755 try { 16756 if (sendNow) { 16757 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 16758 sendPackageChangedBroadcast(packageName, 16759 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 16760 } 16761 } finally { 16762 Binder.restoreCallingIdentity(callingId); 16763 } 16764 } 16765 16766 @Override 16767 public void flushPackageRestrictionsAsUser(int userId) { 16768 if (!sUserManager.exists(userId)) { 16769 return; 16770 } 16771 enforceCrossUserPermission(Binder.getCallingUid(), userId, false /* requireFullPermission*/, 16772 false /* checkShell */, "flushPackageRestrictions"); 16773 synchronized (mPackages) { 16774 mSettings.writePackageRestrictionsLPr(userId); 16775 mDirtyUsers.remove(userId); 16776 if (mDirtyUsers.isEmpty()) { 16777 mHandler.removeMessages(WRITE_PACKAGE_RESTRICTIONS); 16778 } 16779 } 16780 } 16781 16782 private void sendPackageChangedBroadcast(String packageName, 16783 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 16784 if (DEBUG_INSTALL) 16785 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 16786 + componentNames); 16787 Bundle extras = new Bundle(4); 16788 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 16789 String nameList[] = new String[componentNames.size()]; 16790 componentNames.toArray(nameList); 16791 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 16792 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 16793 extras.putInt(Intent.EXTRA_UID, packageUid); 16794 // If this is not reporting a change of the overall package, then only send it 16795 // to registered receivers. We don't want to launch a swath of apps for every 16796 // little component state change. 16797 final int flags = !componentNames.contains(packageName) 16798 ? Intent.FLAG_RECEIVER_REGISTERED_ONLY : 0; 16799 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, flags, null, null, 16800 new int[] {UserHandle.getUserId(packageUid)}); 16801 } 16802 16803 @Override 16804 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 16805 if (!sUserManager.exists(userId)) return; 16806 final int uid = Binder.getCallingUid(); 16807 final int permission = mContext.checkCallingOrSelfPermission( 16808 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 16809 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 16810 enforceCrossUserPermission(uid, userId, 16811 true /* requireFullPermission */, true /* checkShell */, "stop package"); 16812 // writer 16813 synchronized (mPackages) { 16814 if (mSettings.setPackageStoppedStateLPw(this, packageName, stopped, 16815 allowedByPermission, uid, userId)) { 16816 scheduleWritePackageRestrictionsLocked(userId); 16817 } 16818 } 16819 } 16820 16821 @Override 16822 public String getInstallerPackageName(String packageName) { 16823 // reader 16824 synchronized (mPackages) { 16825 return mSettings.getInstallerPackageNameLPr(packageName); 16826 } 16827 } 16828 16829 @Override 16830 public int getApplicationEnabledSetting(String packageName, int userId) { 16831 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 16832 int uid = Binder.getCallingUid(); 16833 enforceCrossUserPermission(uid, userId, 16834 false /* requireFullPermission */, false /* checkShell */, "get enabled"); 16835 // reader 16836 synchronized (mPackages) { 16837 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 16838 } 16839 } 16840 16841 @Override 16842 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 16843 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 16844 int uid = Binder.getCallingUid(); 16845 enforceCrossUserPermission(uid, userId, 16846 false /* requireFullPermission */, false /* checkShell */, "get component enabled"); 16847 // reader 16848 synchronized (mPackages) { 16849 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 16850 } 16851 } 16852 16853 @Override 16854 public void enterSafeMode() { 16855 enforceSystemOrRoot("Only the system can request entering safe mode"); 16856 16857 if (!mSystemReady) { 16858 mSafeMode = true; 16859 } 16860 } 16861 16862 @Override 16863 public void systemReady() { 16864 mSystemReady = true; 16865 16866 // Read the compatibilty setting when the system is ready. 16867 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 16868 mContext.getContentResolver(), 16869 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 16870 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 16871 if (DEBUG_SETTINGS) { 16872 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 16873 } 16874 16875 int[] grantPermissionsUserIds = EMPTY_INT_ARRAY; 16876 16877 synchronized (mPackages) { 16878 // Verify that all of the preferred activity components actually 16879 // exist. It is possible for applications to be updated and at 16880 // that point remove a previously declared activity component that 16881 // had been set as a preferred activity. We try to clean this up 16882 // the next time we encounter that preferred activity, but it is 16883 // possible for the user flow to never be able to return to that 16884 // situation so here we do a sanity check to make sure we haven't 16885 // left any junk around. 16886 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 16887 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 16888 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 16889 removed.clear(); 16890 for (PreferredActivity pa : pir.filterSet()) { 16891 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 16892 removed.add(pa); 16893 } 16894 } 16895 if (removed.size() > 0) { 16896 for (int r=0; r<removed.size(); r++) { 16897 PreferredActivity pa = removed.get(r); 16898 Slog.w(TAG, "Removing dangling preferred activity: " 16899 + pa.mPref.mComponent); 16900 pir.removeFilter(pa); 16901 } 16902 mSettings.writePackageRestrictionsLPr( 16903 mSettings.mPreferredActivities.keyAt(i)); 16904 } 16905 } 16906 16907 for (int userId : UserManagerService.getInstance().getUserIds()) { 16908 if (!mSettings.areDefaultRuntimePermissionsGrantedLPr(userId)) { 16909 grantPermissionsUserIds = ArrayUtils.appendInt( 16910 grantPermissionsUserIds, userId); 16911 } 16912 } 16913 } 16914 sUserManager.systemReady(); 16915 16916 // If we upgraded grant all default permissions before kicking off. 16917 for (int userId : grantPermissionsUserIds) { 16918 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 16919 } 16920 16921 // Kick off any messages waiting for system ready 16922 if (mPostSystemReadyMessages != null) { 16923 for (Message msg : mPostSystemReadyMessages) { 16924 msg.sendToTarget(); 16925 } 16926 mPostSystemReadyMessages = null; 16927 } 16928 16929 // Watch for external volumes that come and go over time 16930 final StorageManager storage = mContext.getSystemService(StorageManager.class); 16931 storage.registerListener(mStorageListener); 16932 16933 mInstallerService.systemReady(); 16934 mPackageDexOptimizer.systemReady(); 16935 16936 MountServiceInternal mountServiceInternal = LocalServices.getService( 16937 MountServiceInternal.class); 16938 mountServiceInternal.addExternalStoragePolicy( 16939 new MountServiceInternal.ExternalStorageMountPolicy() { 16940 @Override 16941 public int getMountMode(int uid, String packageName) { 16942 if (Process.isIsolated(uid)) { 16943 return Zygote.MOUNT_EXTERNAL_NONE; 16944 } 16945 if (checkUidPermission(WRITE_MEDIA_STORAGE, uid) == PERMISSION_GRANTED) { 16946 return Zygote.MOUNT_EXTERNAL_DEFAULT; 16947 } 16948 if (checkUidPermission(READ_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 16949 return Zygote.MOUNT_EXTERNAL_DEFAULT; 16950 } 16951 if (checkUidPermission(WRITE_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 16952 return Zygote.MOUNT_EXTERNAL_READ; 16953 } 16954 return Zygote.MOUNT_EXTERNAL_WRITE; 16955 } 16956 16957 @Override 16958 public boolean hasExternalStorage(int uid, String packageName) { 16959 return true; 16960 } 16961 }); 16962 } 16963 16964 @Override 16965 public boolean isSafeMode() { 16966 return mSafeMode; 16967 } 16968 16969 @Override 16970 public boolean hasSystemUidErrors() { 16971 return mHasSystemUidErrors; 16972 } 16973 16974 static String arrayToString(int[] array) { 16975 StringBuffer buf = new StringBuffer(128); 16976 buf.append('['); 16977 if (array != null) { 16978 for (int i=0; i<array.length; i++) { 16979 if (i > 0) buf.append(", "); 16980 buf.append(array[i]); 16981 } 16982 } 16983 buf.append(']'); 16984 return buf.toString(); 16985 } 16986 16987 static class DumpState { 16988 public static final int DUMP_LIBS = 1 << 0; 16989 public static final int DUMP_FEATURES = 1 << 1; 16990 public static final int DUMP_ACTIVITY_RESOLVERS = 1 << 2; 16991 public static final int DUMP_SERVICE_RESOLVERS = 1 << 3; 16992 public static final int DUMP_RECEIVER_RESOLVERS = 1 << 4; 16993 public static final int DUMP_CONTENT_RESOLVERS = 1 << 5; 16994 public static final int DUMP_PERMISSIONS = 1 << 6; 16995 public static final int DUMP_PACKAGES = 1 << 7; 16996 public static final int DUMP_SHARED_USERS = 1 << 8; 16997 public static final int DUMP_MESSAGES = 1 << 9; 16998 public static final int DUMP_PROVIDERS = 1 << 10; 16999 public static final int DUMP_VERIFIERS = 1 << 11; 17000 public static final int DUMP_PREFERRED = 1 << 12; 17001 public static final int DUMP_PREFERRED_XML = 1 << 13; 17002 public static final int DUMP_KEYSETS = 1 << 14; 17003 public static final int DUMP_VERSION = 1 << 15; 17004 public static final int DUMP_INSTALLS = 1 << 16; 17005 public static final int DUMP_INTENT_FILTER_VERIFIERS = 1 << 17; 17006 public static final int DUMP_DOMAIN_PREFERRED = 1 << 18; 17007 17008 public static final int OPTION_SHOW_FILTERS = 1 << 0; 17009 17010 private int mTypes; 17011 17012 private int mOptions; 17013 17014 private boolean mTitlePrinted; 17015 17016 private SharedUserSetting mSharedUser; 17017 17018 public boolean isDumping(int type) { 17019 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 17020 return true; 17021 } 17022 17023 return (mTypes & type) != 0; 17024 } 17025 17026 public void setDump(int type) { 17027 mTypes |= type; 17028 } 17029 17030 public boolean isOptionEnabled(int option) { 17031 return (mOptions & option) != 0; 17032 } 17033 17034 public void setOptionEnabled(int option) { 17035 mOptions |= option; 17036 } 17037 17038 public boolean onTitlePrinted() { 17039 final boolean printed = mTitlePrinted; 17040 mTitlePrinted = true; 17041 return printed; 17042 } 17043 17044 public boolean getTitlePrinted() { 17045 return mTitlePrinted; 17046 } 17047 17048 public void setTitlePrinted(boolean enabled) { 17049 mTitlePrinted = enabled; 17050 } 17051 17052 public SharedUserSetting getSharedUser() { 17053 return mSharedUser; 17054 } 17055 17056 public void setSharedUser(SharedUserSetting user) { 17057 mSharedUser = user; 17058 } 17059 } 17060 17061 @Override 17062 public void onShellCommand(FileDescriptor in, FileDescriptor out, 17063 FileDescriptor err, String[] args, ResultReceiver resultReceiver) { 17064 (new PackageManagerShellCommand(this)).exec( 17065 this, in, out, err, args, resultReceiver); 17066 } 17067 17068 @Override 17069 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 17070 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 17071 != PackageManager.PERMISSION_GRANTED) { 17072 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 17073 + Binder.getCallingPid() 17074 + ", uid=" + Binder.getCallingUid() 17075 + " without permission " 17076 + android.Manifest.permission.DUMP); 17077 return; 17078 } 17079 17080 DumpState dumpState = new DumpState(); 17081 boolean fullPreferred = false; 17082 boolean checkin = false; 17083 17084 String packageName = null; 17085 ArraySet<String> permissionNames = null; 17086 17087 int opti = 0; 17088 while (opti < args.length) { 17089 String opt = args[opti]; 17090 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 17091 break; 17092 } 17093 opti++; 17094 17095 if ("-a".equals(opt)) { 17096 // Right now we only know how to print all. 17097 } else if ("-h".equals(opt)) { 17098 pw.println("Package manager dump options:"); 17099 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 17100 pw.println(" --checkin: dump for a checkin"); 17101 pw.println(" -f: print details of intent filters"); 17102 pw.println(" -h: print this help"); 17103 pw.println(" cmd may be one of:"); 17104 pw.println(" l[ibraries]: list known shared libraries"); 17105 pw.println(" f[eatures]: list device features"); 17106 pw.println(" k[eysets]: print known keysets"); 17107 pw.println(" r[esolvers] [activity|service|receiver|content]: dump intent resolvers"); 17108 pw.println(" perm[issions]: dump permissions"); 17109 pw.println(" permission [name ...]: dump declaration and use of given permission"); 17110 pw.println(" pref[erred]: print preferred package settings"); 17111 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 17112 pw.println(" prov[iders]: dump content providers"); 17113 pw.println(" p[ackages]: dump installed packages"); 17114 pw.println(" s[hared-users]: dump shared user IDs"); 17115 pw.println(" m[essages]: print collected runtime messages"); 17116 pw.println(" v[erifiers]: print package verifier info"); 17117 pw.println(" d[omain-preferred-apps]: print domains preferred apps"); 17118 pw.println(" i[ntent-filter-verifiers]|ifv: print intent filter verifier info"); 17119 pw.println(" version: print database version info"); 17120 pw.println(" write: write current settings now"); 17121 pw.println(" installs: details about install sessions"); 17122 pw.println(" check-permission <permission> <package> [<user>]: does pkg hold perm?"); 17123 pw.println(" <package.name>: info about given package"); 17124 return; 17125 } else if ("--checkin".equals(opt)) { 17126 checkin = true; 17127 } else if ("-f".equals(opt)) { 17128 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 17129 } else { 17130 pw.println("Unknown argument: " + opt + "; use -h for help"); 17131 } 17132 } 17133 17134 // Is the caller requesting to dump a particular piece of data? 17135 if (opti < args.length) { 17136 String cmd = args[opti]; 17137 opti++; 17138 // Is this a package name? 17139 if ("android".equals(cmd) || cmd.contains(".")) { 17140 packageName = cmd; 17141 // When dumping a single package, we always dump all of its 17142 // filter information since the amount of data will be reasonable. 17143 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 17144 } else if ("check-permission".equals(cmd)) { 17145 if (opti >= args.length) { 17146 pw.println("Error: check-permission missing permission argument"); 17147 return; 17148 } 17149 String perm = args[opti]; 17150 opti++; 17151 if (opti >= args.length) { 17152 pw.println("Error: check-permission missing package argument"); 17153 return; 17154 } 17155 String pkg = args[opti]; 17156 opti++; 17157 int user = UserHandle.getUserId(Binder.getCallingUid()); 17158 if (opti < args.length) { 17159 try { 17160 user = Integer.parseInt(args[opti]); 17161 } catch (NumberFormatException e) { 17162 pw.println("Error: check-permission user argument is not a number: " 17163 + args[opti]); 17164 return; 17165 } 17166 } 17167 pw.println(checkPermission(perm, pkg, user)); 17168 return; 17169 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 17170 dumpState.setDump(DumpState.DUMP_LIBS); 17171 } else if ("f".equals(cmd) || "features".equals(cmd)) { 17172 dumpState.setDump(DumpState.DUMP_FEATURES); 17173 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 17174 if (opti >= args.length) { 17175 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS 17176 | DumpState.DUMP_SERVICE_RESOLVERS 17177 | DumpState.DUMP_RECEIVER_RESOLVERS 17178 | DumpState.DUMP_CONTENT_RESOLVERS); 17179 } else { 17180 while (opti < args.length) { 17181 String name = args[opti]; 17182 if ("a".equals(name) || "activity".equals(name)) { 17183 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS); 17184 } else if ("s".equals(name) || "service".equals(name)) { 17185 dumpState.setDump(DumpState.DUMP_SERVICE_RESOLVERS); 17186 } else if ("r".equals(name) || "receiver".equals(name)) { 17187 dumpState.setDump(DumpState.DUMP_RECEIVER_RESOLVERS); 17188 } else if ("c".equals(name) || "content".equals(name)) { 17189 dumpState.setDump(DumpState.DUMP_CONTENT_RESOLVERS); 17190 } else { 17191 pw.println("Error: unknown resolver table type: " + name); 17192 return; 17193 } 17194 opti++; 17195 } 17196 } 17197 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 17198 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 17199 } else if ("permission".equals(cmd)) { 17200 if (opti >= args.length) { 17201 pw.println("Error: permission requires permission name"); 17202 return; 17203 } 17204 permissionNames = new ArraySet<>(); 17205 while (opti < args.length) { 17206 permissionNames.add(args[opti]); 17207 opti++; 17208 } 17209 dumpState.setDump(DumpState.DUMP_PERMISSIONS 17210 | DumpState.DUMP_PACKAGES | DumpState.DUMP_SHARED_USERS); 17211 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 17212 dumpState.setDump(DumpState.DUMP_PREFERRED); 17213 } else if ("preferred-xml".equals(cmd)) { 17214 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 17215 if (opti < args.length && "--full".equals(args[opti])) { 17216 fullPreferred = true; 17217 opti++; 17218 } 17219 } else if ("d".equals(cmd) || "domain-preferred-apps".equals(cmd)) { 17220 dumpState.setDump(DumpState.DUMP_DOMAIN_PREFERRED); 17221 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 17222 dumpState.setDump(DumpState.DUMP_PACKAGES); 17223 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 17224 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 17225 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 17226 dumpState.setDump(DumpState.DUMP_PROVIDERS); 17227 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 17228 dumpState.setDump(DumpState.DUMP_MESSAGES); 17229 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 17230 dumpState.setDump(DumpState.DUMP_VERIFIERS); 17231 } else if ("i".equals(cmd) || "ifv".equals(cmd) 17232 || "intent-filter-verifiers".equals(cmd)) { 17233 dumpState.setDump(DumpState.DUMP_INTENT_FILTER_VERIFIERS); 17234 } else if ("version".equals(cmd)) { 17235 dumpState.setDump(DumpState.DUMP_VERSION); 17236 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 17237 dumpState.setDump(DumpState.DUMP_KEYSETS); 17238 } else if ("installs".equals(cmd)) { 17239 dumpState.setDump(DumpState.DUMP_INSTALLS); 17240 } else if ("write".equals(cmd)) { 17241 synchronized (mPackages) { 17242 mSettings.writeLPr(); 17243 pw.println("Settings written."); 17244 return; 17245 } 17246 } 17247 } 17248 17249 if (checkin) { 17250 pw.println("vers,1"); 17251 } 17252 17253 // reader 17254 synchronized (mPackages) { 17255 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 17256 if (!checkin) { 17257 if (dumpState.onTitlePrinted()) 17258 pw.println(); 17259 pw.println("Database versions:"); 17260 mSettings.dumpVersionLPr(new IndentingPrintWriter(pw, " ")); 17261 } 17262 } 17263 17264 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 17265 if (!checkin) { 17266 if (dumpState.onTitlePrinted()) 17267 pw.println(); 17268 pw.println("Verifiers:"); 17269 pw.print(" Required: "); 17270 pw.print(mRequiredVerifierPackage); 17271 pw.print(" (uid="); 17272 pw.print(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 17273 UserHandle.USER_SYSTEM)); 17274 pw.println(")"); 17275 } else if (mRequiredVerifierPackage != null) { 17276 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 17277 pw.print(","); 17278 pw.println(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 17279 UserHandle.USER_SYSTEM)); 17280 } 17281 } 17282 17283 if (dumpState.isDumping(DumpState.DUMP_INTENT_FILTER_VERIFIERS) && 17284 packageName == null) { 17285 if (mIntentFilterVerifierComponent != null) { 17286 String verifierPackageName = mIntentFilterVerifierComponent.getPackageName(); 17287 if (!checkin) { 17288 if (dumpState.onTitlePrinted()) 17289 pw.println(); 17290 pw.println("Intent Filter Verifier:"); 17291 pw.print(" Using: "); 17292 pw.print(verifierPackageName); 17293 pw.print(" (uid="); 17294 pw.print(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 17295 UserHandle.USER_SYSTEM)); 17296 pw.println(")"); 17297 } else if (verifierPackageName != null) { 17298 pw.print("ifv,"); pw.print(verifierPackageName); 17299 pw.print(","); 17300 pw.println(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 17301 UserHandle.USER_SYSTEM)); 17302 } 17303 } else { 17304 pw.println(); 17305 pw.println("No Intent Filter Verifier available!"); 17306 } 17307 } 17308 17309 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 17310 boolean printedHeader = false; 17311 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 17312 while (it.hasNext()) { 17313 String name = it.next(); 17314 SharedLibraryEntry ent = mSharedLibraries.get(name); 17315 if (!checkin) { 17316 if (!printedHeader) { 17317 if (dumpState.onTitlePrinted()) 17318 pw.println(); 17319 pw.println("Libraries:"); 17320 printedHeader = true; 17321 } 17322 pw.print(" "); 17323 } else { 17324 pw.print("lib,"); 17325 } 17326 pw.print(name); 17327 if (!checkin) { 17328 pw.print(" -> "); 17329 } 17330 if (ent.path != null) { 17331 if (!checkin) { 17332 pw.print("(jar) "); 17333 pw.print(ent.path); 17334 } else { 17335 pw.print(",jar,"); 17336 pw.print(ent.path); 17337 } 17338 } else { 17339 if (!checkin) { 17340 pw.print("(apk) "); 17341 pw.print(ent.apk); 17342 } else { 17343 pw.print(",apk,"); 17344 pw.print(ent.apk); 17345 } 17346 } 17347 pw.println(); 17348 } 17349 } 17350 17351 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 17352 if (dumpState.onTitlePrinted()) 17353 pw.println(); 17354 if (!checkin) { 17355 pw.println("Features:"); 17356 } 17357 17358 for (FeatureInfo feat : mAvailableFeatures.values()) { 17359 if (checkin) { 17360 pw.print("feat,"); 17361 pw.print(feat.name); 17362 pw.print(","); 17363 pw.println(feat.version); 17364 } else { 17365 pw.print(" "); 17366 pw.print(feat.name); 17367 if (feat.version > 0) { 17368 pw.print(" version="); 17369 pw.print(feat.version); 17370 } 17371 pw.println(); 17372 } 17373 } 17374 } 17375 17376 if (!checkin && dumpState.isDumping(DumpState.DUMP_ACTIVITY_RESOLVERS)) { 17377 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 17378 : "Activity Resolver Table:", " ", packageName, 17379 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 17380 dumpState.setTitlePrinted(true); 17381 } 17382 } 17383 if (!checkin && dumpState.isDumping(DumpState.DUMP_RECEIVER_RESOLVERS)) { 17384 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 17385 : "Receiver Resolver Table:", " ", packageName, 17386 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 17387 dumpState.setTitlePrinted(true); 17388 } 17389 } 17390 if (!checkin && dumpState.isDumping(DumpState.DUMP_SERVICE_RESOLVERS)) { 17391 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 17392 : "Service Resolver Table:", " ", packageName, 17393 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 17394 dumpState.setTitlePrinted(true); 17395 } 17396 } 17397 if (!checkin && dumpState.isDumping(DumpState.DUMP_CONTENT_RESOLVERS)) { 17398 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 17399 : "Provider Resolver Table:", " ", packageName, 17400 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 17401 dumpState.setTitlePrinted(true); 17402 } 17403 } 17404 17405 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 17406 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 17407 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 17408 int user = mSettings.mPreferredActivities.keyAt(i); 17409 if (pir.dump(pw, 17410 dumpState.getTitlePrinted() 17411 ? "\nPreferred Activities User " + user + ":" 17412 : "Preferred Activities User " + user + ":", " ", 17413 packageName, true, false)) { 17414 dumpState.setTitlePrinted(true); 17415 } 17416 } 17417 } 17418 17419 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 17420 pw.flush(); 17421 FileOutputStream fout = new FileOutputStream(fd); 17422 BufferedOutputStream str = new BufferedOutputStream(fout); 17423 XmlSerializer serializer = new FastXmlSerializer(); 17424 try { 17425 serializer.setOutput(str, StandardCharsets.UTF_8.name()); 17426 serializer.startDocument(null, true); 17427 serializer.setFeature( 17428 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 17429 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 17430 serializer.endDocument(); 17431 serializer.flush(); 17432 } catch (IllegalArgumentException e) { 17433 pw.println("Failed writing: " + e); 17434 } catch (IllegalStateException e) { 17435 pw.println("Failed writing: " + e); 17436 } catch (IOException e) { 17437 pw.println("Failed writing: " + e); 17438 } 17439 } 17440 17441 if (!checkin 17442 && dumpState.isDumping(DumpState.DUMP_DOMAIN_PREFERRED) 17443 && packageName == null) { 17444 pw.println(); 17445 int count = mSettings.mPackages.size(); 17446 if (count == 0) { 17447 pw.println("No applications!"); 17448 pw.println(); 17449 } else { 17450 final String prefix = " "; 17451 Collection<PackageSetting> allPackageSettings = mSettings.mPackages.values(); 17452 if (allPackageSettings.size() == 0) { 17453 pw.println("No domain preferred apps!"); 17454 pw.println(); 17455 } else { 17456 pw.println("App verification status:"); 17457 pw.println(); 17458 count = 0; 17459 for (PackageSetting ps : allPackageSettings) { 17460 IntentFilterVerificationInfo ivi = ps.getIntentFilterVerificationInfo(); 17461 if (ivi == null || ivi.getPackageName() == null) continue; 17462 pw.println(prefix + "Package: " + ivi.getPackageName()); 17463 pw.println(prefix + "Domains: " + ivi.getDomainsString()); 17464 pw.println(prefix + "Status: " + ivi.getStatusString()); 17465 pw.println(); 17466 count++; 17467 } 17468 if (count == 0) { 17469 pw.println(prefix + "No app verification established."); 17470 pw.println(); 17471 } 17472 for (int userId : sUserManager.getUserIds()) { 17473 pw.println("App linkages for user " + userId + ":"); 17474 pw.println(); 17475 count = 0; 17476 for (PackageSetting ps : allPackageSettings) { 17477 final long status = ps.getDomainVerificationStatusForUser(userId); 17478 if (status >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 17479 continue; 17480 } 17481 pw.println(prefix + "Package: " + ps.name); 17482 pw.println(prefix + "Domains: " + dumpDomainString(ps.name)); 17483 String statusStr = IntentFilterVerificationInfo. 17484 getStatusStringFromValue(status); 17485 pw.println(prefix + "Status: " + statusStr); 17486 pw.println(); 17487 count++; 17488 } 17489 if (count == 0) { 17490 pw.println(prefix + "No configured app linkages."); 17491 pw.println(); 17492 } 17493 } 17494 } 17495 } 17496 } 17497 17498 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 17499 mSettings.dumpPermissionsLPr(pw, packageName, permissionNames, dumpState); 17500 if (packageName == null && permissionNames == null) { 17501 for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) { 17502 if (iperm == 0) { 17503 if (dumpState.onTitlePrinted()) 17504 pw.println(); 17505 pw.println("AppOp Permissions:"); 17506 } 17507 pw.print(" AppOp Permission "); 17508 pw.print(mAppOpPermissionPackages.keyAt(iperm)); 17509 pw.println(":"); 17510 ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm); 17511 for (int ipkg=0; ipkg<pkgs.size(); ipkg++) { 17512 pw.print(" "); pw.println(pkgs.valueAt(ipkg)); 17513 } 17514 } 17515 } 17516 } 17517 17518 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 17519 boolean printedSomething = false; 17520 for (PackageParser.Provider p : mProviders.mProviders.values()) { 17521 if (packageName != null && !packageName.equals(p.info.packageName)) { 17522 continue; 17523 } 17524 if (!printedSomething) { 17525 if (dumpState.onTitlePrinted()) 17526 pw.println(); 17527 pw.println("Registered ContentProviders:"); 17528 printedSomething = true; 17529 } 17530 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 17531 pw.print(" "); pw.println(p.toString()); 17532 } 17533 printedSomething = false; 17534 for (Map.Entry<String, PackageParser.Provider> entry : 17535 mProvidersByAuthority.entrySet()) { 17536 PackageParser.Provider p = entry.getValue(); 17537 if (packageName != null && !packageName.equals(p.info.packageName)) { 17538 continue; 17539 } 17540 if (!printedSomething) { 17541 if (dumpState.onTitlePrinted()) 17542 pw.println(); 17543 pw.println("ContentProvider Authorities:"); 17544 printedSomething = true; 17545 } 17546 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 17547 pw.print(" "); pw.println(p.toString()); 17548 if (p.info != null && p.info.applicationInfo != null) { 17549 final String appInfo = p.info.applicationInfo.toString(); 17550 pw.print(" applicationInfo="); pw.println(appInfo); 17551 } 17552 } 17553 } 17554 17555 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 17556 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 17557 } 17558 17559 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 17560 mSettings.dumpPackagesLPr(pw, packageName, permissionNames, dumpState, checkin); 17561 } 17562 17563 if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 17564 mSettings.dumpSharedUsersLPr(pw, packageName, permissionNames, dumpState, checkin); 17565 } 17566 17567 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS) && packageName == null) { 17568 mSettings.dumpRestoredPermissionGrantsLPr(pw, dumpState); 17569 } 17570 17571 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) { 17572 // XXX should handle packageName != null by dumping only install data that 17573 // the given package is involved with. 17574 if (dumpState.onTitlePrinted()) pw.println(); 17575 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 17576 } 17577 17578 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 17579 if (dumpState.onTitlePrinted()) pw.println(); 17580 mSettings.dumpReadMessagesLPr(pw, dumpState); 17581 17582 pw.println(); 17583 pw.println("Package warning messages:"); 17584 BufferedReader in = null; 17585 String line = null; 17586 try { 17587 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 17588 while ((line = in.readLine()) != null) { 17589 if (line.contains("ignored: updated version")) continue; 17590 pw.println(line); 17591 } 17592 } catch (IOException ignored) { 17593 } finally { 17594 IoUtils.closeQuietly(in); 17595 } 17596 } 17597 17598 if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) { 17599 BufferedReader in = null; 17600 String line = null; 17601 try { 17602 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 17603 while ((line = in.readLine()) != null) { 17604 if (line.contains("ignored: updated version")) continue; 17605 pw.print("msg,"); 17606 pw.println(line); 17607 } 17608 } catch (IOException ignored) { 17609 } finally { 17610 IoUtils.closeQuietly(in); 17611 } 17612 } 17613 } 17614 } 17615 17616 private String dumpDomainString(String packageName) { 17617 List<IntentFilterVerificationInfo> iviList = getIntentFilterVerifications(packageName) 17618 .getList(); 17619 List<IntentFilter> filters = getAllIntentFilters(packageName).getList(); 17620 17621 ArraySet<String> result = new ArraySet<>(); 17622 if (iviList.size() > 0) { 17623 for (IntentFilterVerificationInfo ivi : iviList) { 17624 for (String host : ivi.getDomains()) { 17625 result.add(host); 17626 } 17627 } 17628 } 17629 if (filters != null && filters.size() > 0) { 17630 for (IntentFilter filter : filters) { 17631 if (filter.hasCategory(Intent.CATEGORY_BROWSABLE) 17632 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 17633 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS))) { 17634 result.addAll(filter.getHostsList()); 17635 } 17636 } 17637 } 17638 17639 StringBuilder sb = new StringBuilder(result.size() * 16); 17640 for (String domain : result) { 17641 if (sb.length() > 0) sb.append(" "); 17642 sb.append(domain); 17643 } 17644 return sb.toString(); 17645 } 17646 17647 // ------- apps on sdcard specific code ------- 17648 static final boolean DEBUG_SD_INSTALL = false; 17649 17650 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 17651 17652 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 17653 17654 private boolean mMediaMounted = false; 17655 17656 static String getEncryptKey() { 17657 try { 17658 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 17659 SD_ENCRYPTION_KEYSTORE_NAME); 17660 if (sdEncKey == null) { 17661 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 17662 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 17663 if (sdEncKey == null) { 17664 Slog.e(TAG, "Failed to create encryption keys"); 17665 return null; 17666 } 17667 } 17668 return sdEncKey; 17669 } catch (NoSuchAlgorithmException nsae) { 17670 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 17671 return null; 17672 } catch (IOException ioe) { 17673 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 17674 return null; 17675 } 17676 } 17677 17678 /* 17679 * Update media status on PackageManager. 17680 */ 17681 @Override 17682 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 17683 int callingUid = Binder.getCallingUid(); 17684 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 17685 throw new SecurityException("Media status can only be updated by the system"); 17686 } 17687 // reader; this apparently protects mMediaMounted, but should probably 17688 // be a different lock in that case. 17689 synchronized (mPackages) { 17690 Log.i(TAG, "Updating external media status from " 17691 + (mMediaMounted ? "mounted" : "unmounted") + " to " 17692 + (mediaStatus ? "mounted" : "unmounted")); 17693 if (DEBUG_SD_INSTALL) 17694 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 17695 + ", mMediaMounted=" + mMediaMounted); 17696 if (mediaStatus == mMediaMounted) { 17697 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 17698 : 0, -1); 17699 mHandler.sendMessage(msg); 17700 return; 17701 } 17702 mMediaMounted = mediaStatus; 17703 } 17704 // Queue up an async operation since the package installation may take a 17705 // little while. 17706 mHandler.post(new Runnable() { 17707 public void run() { 17708 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 17709 } 17710 }); 17711 } 17712 17713 /** 17714 * Called by MountService when the initial ASECs to scan are available. 17715 * Should block until all the ASEC containers are finished being scanned. 17716 */ 17717 public void scanAvailableAsecs() { 17718 updateExternalMediaStatusInner(true, false, false); 17719 } 17720 17721 /* 17722 * Collect information of applications on external media, map them against 17723 * existing containers and update information based on current mount status. 17724 * Please note that we always have to report status if reportStatus has been 17725 * set to true especially when unloading packages. 17726 */ 17727 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 17728 boolean externalStorage) { 17729 ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>(); 17730 int[] uidArr = EmptyArray.INT; 17731 17732 final String[] list = PackageHelper.getSecureContainerList(); 17733 if (ArrayUtils.isEmpty(list)) { 17734 Log.i(TAG, "No secure containers found"); 17735 } else { 17736 // Process list of secure containers and categorize them 17737 // as active or stale based on their package internal state. 17738 17739 // reader 17740 synchronized (mPackages) { 17741 for (String cid : list) { 17742 // Leave stages untouched for now; installer service owns them 17743 if (PackageInstallerService.isStageName(cid)) continue; 17744 17745 if (DEBUG_SD_INSTALL) 17746 Log.i(TAG, "Processing container " + cid); 17747 String pkgName = getAsecPackageName(cid); 17748 if (pkgName == null) { 17749 Slog.i(TAG, "Found stale container " + cid + " with no package name"); 17750 continue; 17751 } 17752 if (DEBUG_SD_INSTALL) 17753 Log.i(TAG, "Looking for pkg : " + pkgName); 17754 17755 final PackageSetting ps = mSettings.mPackages.get(pkgName); 17756 if (ps == null) { 17757 Slog.i(TAG, "Found stale container " + cid + " with no matching settings"); 17758 continue; 17759 } 17760 17761 /* 17762 * Skip packages that are not external if we're unmounting 17763 * external storage. 17764 */ 17765 if (externalStorage && !isMounted && !isExternal(ps)) { 17766 continue; 17767 } 17768 17769 final AsecInstallArgs args = new AsecInstallArgs(cid, 17770 getAppDexInstructionSets(ps), ps.isForwardLocked()); 17771 // The package status is changed only if the code path 17772 // matches between settings and the container id. 17773 if (ps.codePathString != null 17774 && ps.codePathString.startsWith(args.getCodePath())) { 17775 if (DEBUG_SD_INSTALL) { 17776 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 17777 + " at code path: " + ps.codePathString); 17778 } 17779 17780 // We do have a valid package installed on sdcard 17781 processCids.put(args, ps.codePathString); 17782 final int uid = ps.appId; 17783 if (uid != -1) { 17784 uidArr = ArrayUtils.appendInt(uidArr, uid); 17785 } 17786 } else { 17787 Slog.i(TAG, "Found stale container " + cid + ": expected codePath=" 17788 + ps.codePathString); 17789 } 17790 } 17791 } 17792 17793 Arrays.sort(uidArr); 17794 } 17795 17796 // Process packages with valid entries. 17797 if (isMounted) { 17798 if (DEBUG_SD_INSTALL) 17799 Log.i(TAG, "Loading packages"); 17800 loadMediaPackages(processCids, uidArr, externalStorage); 17801 startCleaningPackages(); 17802 mInstallerService.onSecureContainersAvailable(); 17803 } else { 17804 if (DEBUG_SD_INSTALL) 17805 Log.i(TAG, "Unloading packages"); 17806 unloadMediaPackages(processCids, uidArr, reportStatus); 17807 } 17808 } 17809 17810 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 17811 ArrayList<ApplicationInfo> infos, IIntentReceiver finishedReceiver) { 17812 final int size = infos.size(); 17813 final String[] packageNames = new String[size]; 17814 final int[] packageUids = new int[size]; 17815 for (int i = 0; i < size; i++) { 17816 final ApplicationInfo info = infos.get(i); 17817 packageNames[i] = info.packageName; 17818 packageUids[i] = info.uid; 17819 } 17820 sendResourcesChangedBroadcast(mediaStatus, replacing, packageNames, packageUids, 17821 finishedReceiver); 17822 } 17823 17824 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 17825 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 17826 sendResourcesChangedBroadcast(mediaStatus, replacing, 17827 pkgList.toArray(new String[pkgList.size()]), uidArr, finishedReceiver); 17828 } 17829 17830 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 17831 String[] pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 17832 int size = pkgList.length; 17833 if (size > 0) { 17834 // Send broadcasts here 17835 Bundle extras = new Bundle(); 17836 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 17837 if (uidArr != null) { 17838 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 17839 } 17840 if (replacing) { 17841 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 17842 } 17843 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 17844 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 17845 sendPackageBroadcast(action, null, extras, 0, null, finishedReceiver, null); 17846 } 17847 } 17848 17849 /* 17850 * Look at potentially valid container ids from processCids If package 17851 * information doesn't match the one on record or package scanning fails, 17852 * the cid is added to list of removeCids. We currently don't delete stale 17853 * containers. 17854 */ 17855 private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr, 17856 boolean externalStorage) { 17857 ArrayList<String> pkgList = new ArrayList<String>(); 17858 Set<AsecInstallArgs> keys = processCids.keySet(); 17859 17860 for (AsecInstallArgs args : keys) { 17861 String codePath = processCids.get(args); 17862 if (DEBUG_SD_INSTALL) 17863 Log.i(TAG, "Loading container : " + args.cid); 17864 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 17865 try { 17866 // Make sure there are no container errors first. 17867 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 17868 Slog.e(TAG, "Failed to mount cid : " + args.cid 17869 + " when installing from sdcard"); 17870 continue; 17871 } 17872 // Check code path here. 17873 if (codePath == null || !codePath.startsWith(args.getCodePath())) { 17874 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 17875 + " does not match one in settings " + codePath); 17876 continue; 17877 } 17878 // Parse package 17879 int parseFlags = mDefParseFlags; 17880 if (args.isExternalAsec()) { 17881 parseFlags |= PackageParser.PARSE_EXTERNAL_STORAGE; 17882 } 17883 if (args.isFwdLocked()) { 17884 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 17885 } 17886 17887 synchronized (mInstallLock) { 17888 PackageParser.Package pkg = null; 17889 try { 17890 pkg = scanPackageTracedLI(new File(codePath), parseFlags, 0, 0, null); 17891 } catch (PackageManagerException e) { 17892 Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage()); 17893 } 17894 // Scan the package 17895 if (pkg != null) { 17896 /* 17897 * TODO why is the lock being held? doPostInstall is 17898 * called in other places without the lock. This needs 17899 * to be straightened out. 17900 */ 17901 // writer 17902 synchronized (mPackages) { 17903 retCode = PackageManager.INSTALL_SUCCEEDED; 17904 pkgList.add(pkg.packageName); 17905 // Post process args 17906 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 17907 pkg.applicationInfo.uid); 17908 } 17909 } else { 17910 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 17911 } 17912 } 17913 17914 } finally { 17915 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 17916 Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode); 17917 } 17918 } 17919 } 17920 // writer 17921 synchronized (mPackages) { 17922 // If the platform SDK has changed since the last time we booted, 17923 // we need to re-grant app permission to catch any new ones that 17924 // appear. This is really a hack, and means that apps can in some 17925 // cases get permissions that the user didn't initially explicitly 17926 // allow... it would be nice to have some better way to handle 17927 // this situation. 17928 final VersionInfo ver = externalStorage ? mSettings.getExternalVersion() 17929 : mSettings.getInternalVersion(); 17930 final String volumeUuid = externalStorage ? StorageManager.UUID_PRIMARY_PHYSICAL 17931 : StorageManager.UUID_PRIVATE_INTERNAL; 17932 17933 int updateFlags = UPDATE_PERMISSIONS_ALL; 17934 if (ver.sdkVersion != mSdkVersion) { 17935 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 17936 + mSdkVersion + "; regranting permissions for external"); 17937 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 17938 } 17939 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 17940 17941 // Yay, everything is now upgraded 17942 ver.forceCurrent(); 17943 17944 // can downgrade to reader 17945 // Persist settings 17946 mSettings.writeLPr(); 17947 } 17948 // Send a broadcast to let everyone know we are done processing 17949 if (pkgList.size() > 0) { 17950 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 17951 } 17952 } 17953 17954 /* 17955 * Utility method to unload a list of specified containers 17956 */ 17957 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 17958 // Just unmount all valid containers. 17959 for (AsecInstallArgs arg : cidArgs) { 17960 synchronized (mInstallLock) { 17961 arg.doPostDeleteLI(false); 17962 } 17963 } 17964 } 17965 17966 /* 17967 * Unload packages mounted on external media. This involves deleting package 17968 * data from internal structures, sending broadcasts about disabled packages, 17969 * gc'ing to free up references, unmounting all secure containers 17970 * corresponding to packages on external media, and posting a 17971 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 17972 * that we always have to post this message if status has been requested no 17973 * matter what. 17974 */ 17975 private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[], 17976 final boolean reportStatus) { 17977 if (DEBUG_SD_INSTALL) 17978 Log.i(TAG, "unloading media packages"); 17979 ArrayList<String> pkgList = new ArrayList<String>(); 17980 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 17981 final Set<AsecInstallArgs> keys = processCids.keySet(); 17982 for (AsecInstallArgs args : keys) { 17983 String pkgName = args.getPackageName(); 17984 if (DEBUG_SD_INSTALL) 17985 Log.i(TAG, "Trying to unload pkg : " + pkgName); 17986 // Delete package internally 17987 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 17988 synchronized (mInstallLock) { 17989 boolean res = deletePackageLI(pkgName, null, false, null, 17990 PackageManager.DELETE_KEEP_DATA, outInfo, false, null); 17991 if (res) { 17992 pkgList.add(pkgName); 17993 } else { 17994 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 17995 failedList.add(args); 17996 } 17997 } 17998 } 17999 18000 // reader 18001 synchronized (mPackages) { 18002 // We didn't update the settings after removing each package; 18003 // write them now for all packages. 18004 mSettings.writeLPr(); 18005 } 18006 18007 // We have to absolutely send UPDATED_MEDIA_STATUS only 18008 // after confirming that all the receivers processed the ordered 18009 // broadcast when packages get disabled, force a gc to clean things up. 18010 // and unload all the containers. 18011 if (pkgList.size() > 0) { 18012 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 18013 new IIntentReceiver.Stub() { 18014 public void performReceive(Intent intent, int resultCode, String data, 18015 Bundle extras, boolean ordered, boolean sticky, 18016 int sendingUser) throws RemoteException { 18017 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 18018 reportStatus ? 1 : 0, 1, keys); 18019 mHandler.sendMessage(msg); 18020 } 18021 }); 18022 } else { 18023 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 18024 keys); 18025 mHandler.sendMessage(msg); 18026 } 18027 } 18028 18029 private void loadPrivatePackages(final VolumeInfo vol) { 18030 mHandler.post(new Runnable() { 18031 @Override 18032 public void run() { 18033 loadPrivatePackagesInner(vol); 18034 } 18035 }); 18036 } 18037 18038 private void loadPrivatePackagesInner(VolumeInfo vol) { 18039 final String volumeUuid = vol.fsUuid; 18040 if (TextUtils.isEmpty(volumeUuid)) { 18041 Slog.e(TAG, "Loading internal storage is probably a mistake; ignoring"); 18042 return; 18043 } 18044 18045 final ArrayList<ApplicationInfo> loaded = new ArrayList<>(); 18046 final int parseFlags = mDefParseFlags | PackageParser.PARSE_EXTERNAL_STORAGE; 18047 18048 final VersionInfo ver; 18049 final List<PackageSetting> packages; 18050 synchronized (mPackages) { 18051 ver = mSettings.findOrCreateVersion(volumeUuid); 18052 packages = mSettings.getVolumePackagesLPr(volumeUuid); 18053 } 18054 18055 // TODO: introduce a new concept similar to "frozen" to prevent these 18056 // apps from being launched until after data has been fully reconciled 18057 for (PackageSetting ps : packages) { 18058 synchronized (mInstallLock) { 18059 final PackageParser.Package pkg; 18060 try { 18061 pkg = scanPackageTracedLI(ps.codePath, parseFlags, SCAN_INITIAL, 0, null); 18062 loaded.add(pkg.applicationInfo); 18063 18064 } catch (PackageManagerException e) { 18065 Slog.w(TAG, "Failed to scan " + ps.codePath + ": " + e.getMessage()); 18066 } 18067 18068 if (!Build.FINGERPRINT.equals(ver.fingerprint)) { 18069 deleteCodeCacheDirsLI(ps.volumeUuid, ps.name); 18070 } 18071 } 18072 } 18073 18074 // Reconcile app data for all started/unlocked users 18075 final StorageManager sm = mContext.getSystemService(StorageManager.class); 18076 final UserManager um = mContext.getSystemService(UserManager.class); 18077 for (UserInfo user : um.getUsers()) { 18078 final int flags; 18079 if (um.isUserUnlocked(user.id)) { 18080 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 18081 } else if (um.isUserRunning(user.id)) { 18082 flags = StorageManager.FLAG_STORAGE_DE; 18083 } else { 18084 continue; 18085 } 18086 18087 sm.prepareUserStorage(volumeUuid, user.id, user.serialNumber, flags); 18088 reconcileAppsData(volumeUuid, user.id, flags); 18089 } 18090 18091 synchronized (mPackages) { 18092 int updateFlags = UPDATE_PERMISSIONS_ALL; 18093 if (ver.sdkVersion != mSdkVersion) { 18094 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 18095 + mSdkVersion + "; regranting permissions for " + volumeUuid); 18096 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 18097 } 18098 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 18099 18100 // Yay, everything is now upgraded 18101 ver.forceCurrent(); 18102 18103 mSettings.writeLPr(); 18104 } 18105 18106 if (DEBUG_INSTALL) Slog.d(TAG, "Loaded packages " + loaded); 18107 sendResourcesChangedBroadcast(true, false, loaded, null); 18108 } 18109 18110 private void unloadPrivatePackages(final VolumeInfo vol) { 18111 mHandler.post(new Runnable() { 18112 @Override 18113 public void run() { 18114 unloadPrivatePackagesInner(vol); 18115 } 18116 }); 18117 } 18118 18119 private void unloadPrivatePackagesInner(VolumeInfo vol) { 18120 final String volumeUuid = vol.fsUuid; 18121 if (TextUtils.isEmpty(volumeUuid)) { 18122 Slog.e(TAG, "Unloading internal storage is probably a mistake; ignoring"); 18123 return; 18124 } 18125 18126 final ArrayList<ApplicationInfo> unloaded = new ArrayList<>(); 18127 synchronized (mInstallLock) { 18128 synchronized (mPackages) { 18129 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(volumeUuid); 18130 for (PackageSetting ps : packages) { 18131 if (ps.pkg == null) continue; 18132 18133 final ApplicationInfo info = ps.pkg.applicationInfo; 18134 final PackageRemovedInfo outInfo = new PackageRemovedInfo(); 18135 if (deletePackageLI(ps.name, null, false, null, 18136 PackageManager.DELETE_KEEP_DATA, outInfo, false, null)) { 18137 unloaded.add(info); 18138 } else { 18139 Slog.w(TAG, "Failed to unload " + ps.codePath); 18140 } 18141 } 18142 18143 mSettings.writeLPr(); 18144 } 18145 } 18146 18147 if (DEBUG_INSTALL) Slog.d(TAG, "Unloaded packages " + unloaded); 18148 sendResourcesChangedBroadcast(false, false, unloaded, null); 18149 } 18150 18151 /** 18152 * Examine all users present on given mounted volume, and destroy data 18153 * belonging to users that are no longer valid, or whose user ID has been 18154 * recycled. 18155 */ 18156 private void reconcileUsers(String volumeUuid) { 18157 // TODO: also reconcile DE directories 18158 final File[] files = FileUtils 18159 .listFilesOrEmpty(Environment.getDataUserCeDirectory(volumeUuid)); 18160 for (File file : files) { 18161 if (!file.isDirectory()) continue; 18162 18163 final int userId; 18164 final UserInfo info; 18165 try { 18166 userId = Integer.parseInt(file.getName()); 18167 info = sUserManager.getUserInfo(userId); 18168 } catch (NumberFormatException e) { 18169 Slog.w(TAG, "Invalid user directory " + file); 18170 continue; 18171 } 18172 18173 boolean destroyUser = false; 18174 if (info == null) { 18175 logCriticalInfo(Log.WARN, "Destroying user directory " + file 18176 + " because no matching user was found"); 18177 destroyUser = true; 18178 } else { 18179 try { 18180 UserManagerService.enforceSerialNumber(file, info.serialNumber); 18181 } catch (IOException e) { 18182 logCriticalInfo(Log.WARN, "Destroying user directory " + file 18183 + " because we failed to enforce serial number: " + e); 18184 destroyUser = true; 18185 } 18186 } 18187 18188 if (destroyUser) { 18189 synchronized (mInstallLock) { 18190 try { 18191 mInstaller.removeUserDataDirs(volumeUuid, userId); 18192 } catch (InstallerException e) { 18193 Slog.w(TAG, "Failed to clean up user dirs", e); 18194 } 18195 } 18196 } 18197 } 18198 } 18199 18200 private void assertPackageKnown(String volumeUuid, String packageName) 18201 throws PackageManagerException { 18202 synchronized (mPackages) { 18203 final PackageSetting ps = mSettings.mPackages.get(packageName); 18204 if (ps == null) { 18205 throw new PackageManagerException("Package " + packageName + " is unknown"); 18206 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 18207 throw new PackageManagerException( 18208 "Package " + packageName + " found on unknown volume " + volumeUuid 18209 + "; expected volume " + ps.volumeUuid); 18210 } 18211 } 18212 } 18213 18214 private void assertPackageKnownAndInstalled(String volumeUuid, String packageName, int userId) 18215 throws PackageManagerException { 18216 synchronized (mPackages) { 18217 final PackageSetting ps = mSettings.mPackages.get(packageName); 18218 if (ps == null) { 18219 throw new PackageManagerException("Package " + packageName + " is unknown"); 18220 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 18221 throw new PackageManagerException( 18222 "Package " + packageName + " found on unknown volume " + volumeUuid 18223 + "; expected volume " + ps.volumeUuid); 18224 } else if (!ps.getInstalled(userId)) { 18225 throw new PackageManagerException( 18226 "Package " + packageName + " not installed for user " + userId); 18227 } 18228 } 18229 } 18230 18231 /** 18232 * Examine all apps present on given mounted volume, and destroy apps that 18233 * aren't expected, either due to uninstallation or reinstallation on 18234 * another volume. 18235 */ 18236 private void reconcileApps(String volumeUuid) { 18237 final File[] files = FileUtils 18238 .listFilesOrEmpty(Environment.getDataAppDirectory(volumeUuid)); 18239 for (File file : files) { 18240 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 18241 && !PackageInstallerService.isStageName(file.getName()); 18242 if (!isPackage) { 18243 // Ignore entries which are not packages 18244 continue; 18245 } 18246 18247 try { 18248 final PackageLite pkg = PackageParser.parsePackageLite(file, 18249 PackageParser.PARSE_MUST_BE_APK); 18250 assertPackageKnown(volumeUuid, pkg.packageName); 18251 18252 } catch (PackageParserException | PackageManagerException e) { 18253 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 18254 synchronized (mInstallLock) { 18255 removeCodePathLI(file); 18256 } 18257 } 18258 } 18259 } 18260 18261 /** 18262 * Reconcile all app data for the given user. 18263 * <p> 18264 * Verifies that directories exist and that ownership and labeling is 18265 * correct for all installed apps on all mounted volumes. 18266 */ 18267 void reconcileAppsData(int userId, int flags) { 18268 final StorageManager storage = mContext.getSystemService(StorageManager.class); 18269 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 18270 final String volumeUuid = vol.getFsUuid(); 18271 reconcileAppsData(volumeUuid, userId, flags); 18272 } 18273 } 18274 18275 /** 18276 * Reconcile all app data on given mounted volume. 18277 * <p> 18278 * Destroys app data that isn't expected, either due to uninstallation or 18279 * reinstallation on another volume. 18280 * <p> 18281 * Verifies that directories exist and that ownership and labeling is 18282 * correct for all installed apps. 18283 */ 18284 private void reconcileAppsData(String volumeUuid, int userId, int flags) { 18285 Slog.v(TAG, "reconcileAppsData for " + volumeUuid + " u" + userId + " 0x" 18286 + Integer.toHexString(flags)); 18287 18288 final File ceDir = Environment.getDataUserCeDirectory(volumeUuid, userId); 18289 final File deDir = Environment.getDataUserDeDirectory(volumeUuid, userId); 18290 18291 boolean restoreconNeeded = false; 18292 18293 // First look for stale data that doesn't belong, and check if things 18294 // have changed since we did our last restorecon 18295 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 18296 if (!isUserKeyUnlocked(userId)) { 18297 throw new RuntimeException( 18298 "Yikes, someone asked us to reconcile CE storage while " + userId 18299 + " was still locked; this would have caused massive data loss!"); 18300 } 18301 18302 restoreconNeeded |= SELinuxMMAC.isRestoreconNeeded(ceDir); 18303 18304 final File[] files = FileUtils.listFilesOrEmpty(ceDir); 18305 for (File file : files) { 18306 final String packageName = file.getName(); 18307 try { 18308 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 18309 } catch (PackageManagerException e) { 18310 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 18311 synchronized (mInstallLock) { 18312 destroyAppDataLI(volumeUuid, packageName, userId, 18313 StorageManager.FLAG_STORAGE_CE); 18314 } 18315 } 18316 } 18317 } 18318 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 18319 restoreconNeeded |= SELinuxMMAC.isRestoreconNeeded(deDir); 18320 18321 final File[] files = FileUtils.listFilesOrEmpty(deDir); 18322 for (File file : files) { 18323 final String packageName = file.getName(); 18324 try { 18325 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 18326 } catch (PackageManagerException e) { 18327 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 18328 synchronized (mInstallLock) { 18329 destroyAppDataLI(volumeUuid, packageName, userId, 18330 StorageManager.FLAG_STORAGE_DE); 18331 } 18332 } 18333 } 18334 } 18335 18336 // Ensure that data directories are ready to roll for all packages 18337 // installed for this volume and user 18338 final List<PackageSetting> packages; 18339 synchronized (mPackages) { 18340 packages = mSettings.getVolumePackagesLPr(volumeUuid); 18341 } 18342 int preparedCount = 0; 18343 for (PackageSetting ps : packages) { 18344 final String packageName = ps.name; 18345 if (ps.pkg == null) { 18346 Slog.w(TAG, "Odd, missing scanned package " + packageName); 18347 // TODO: might be due to legacy ASEC apps; we should circle back 18348 // and reconcile again once they're scanned 18349 continue; 18350 } 18351 18352 if (ps.getInstalled(userId)) { 18353 prepareAppData(volumeUuid, userId, flags, ps.pkg, restoreconNeeded); 18354 18355 if (maybeMigrateAppData(volumeUuid, userId, ps.pkg)) { 18356 // We may have just shuffled around app data directories, so 18357 // prepare them one more time 18358 prepareAppData(volumeUuid, userId, flags, ps.pkg, restoreconNeeded); 18359 } 18360 18361 preparedCount++; 18362 } 18363 } 18364 18365 if (restoreconNeeded) { 18366 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 18367 SELinuxMMAC.setRestoreconDone(ceDir); 18368 } 18369 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 18370 SELinuxMMAC.setRestoreconDone(deDir); 18371 } 18372 } 18373 18374 Slog.v(TAG, "reconcileAppsData finished " + preparedCount 18375 + " packages; restoreconNeeded was " + restoreconNeeded); 18376 } 18377 18378 /** 18379 * Prepare app data for the given app just after it was installed or 18380 * upgraded. This method carefully only touches users that it's installed 18381 * for, and it forces a restorecon to handle any seinfo changes. 18382 * <p> 18383 * Verifies that directories exist and that ownership and labeling is 18384 * correct for all installed apps. If there is an ownership mismatch, it 18385 * will try recovering system apps by wiping data; third-party app data is 18386 * left intact. 18387 * <p> 18388 * <em>Note: To avoid a deadlock, do not call this method with {@code mPackages} lock held</em> 18389 */ 18390 private void prepareAppDataAfterInstall(PackageParser.Package pkg) { 18391 prepareAppDataAfterInstallInternal(pkg); 18392 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 18393 for (int i = 0; i < childCount; i++) { 18394 PackageParser.Package childPackage = pkg.childPackages.get(i); 18395 prepareAppDataAfterInstallInternal(childPackage); 18396 } 18397 } 18398 18399 private void prepareAppDataAfterInstallInternal(PackageParser.Package pkg) { 18400 final PackageSetting ps; 18401 synchronized (mPackages) { 18402 ps = mSettings.mPackages.get(pkg.packageName); 18403 mSettings.writeKernelMappingLPr(ps); 18404 } 18405 18406 final UserManager um = mContext.getSystemService(UserManager.class); 18407 for (UserInfo user : um.getUsers()) { 18408 final int flags; 18409 if (um.isUserUnlocked(user.id)) { 18410 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 18411 } else if (um.isUserRunning(user.id)) { 18412 flags = StorageManager.FLAG_STORAGE_DE; 18413 } else { 18414 continue; 18415 } 18416 18417 if (ps.getInstalled(user.id)) { 18418 // Whenever an app changes, force a restorecon of its data 18419 // TODO: when user data is locked, mark that we're still dirty 18420 prepareAppData(pkg.volumeUuid, user.id, flags, pkg, true); 18421 } 18422 } 18423 } 18424 18425 /** 18426 * Prepare app data for the given app. 18427 * <p> 18428 * Verifies that directories exist and that ownership and labeling is 18429 * correct for all installed apps. If there is an ownership mismatch, this 18430 * will try recovering system apps by wiping data; third-party app data is 18431 * left intact. 18432 */ 18433 private void prepareAppData(String volumeUuid, int userId, int flags, 18434 PackageParser.Package pkg, boolean restoreconNeeded) { 18435 if (DEBUG_APP_DATA) { 18436 Slog.v(TAG, "prepareAppData for " + pkg.packageName + " u" + userId + " 0x" 18437 + Integer.toHexString(flags) + (restoreconNeeded ? " restoreconNeeded" : "")); 18438 } 18439 18440 final String packageName = pkg.packageName; 18441 final ApplicationInfo app = pkg.applicationInfo; 18442 final int appId = UserHandle.getAppId(app.uid); 18443 18444 Preconditions.checkNotNull(app.seinfo); 18445 18446 synchronized (mInstallLock) { 18447 try { 18448 mInstaller.createAppData(volumeUuid, packageName, userId, flags, 18449 appId, app.seinfo, app.targetSdkVersion); 18450 } catch (InstallerException e) { 18451 if (app.isSystemApp()) { 18452 logCriticalInfo(Log.ERROR, "Failed to create app data for " + packageName 18453 + ", but trying to recover: " + e); 18454 destroyAppDataLI(volumeUuid, packageName, userId, flags); 18455 try { 18456 mInstaller.createAppData(volumeUuid, packageName, userId, flags, 18457 appId, app.seinfo, app.targetSdkVersion); 18458 logCriticalInfo(Log.DEBUG, "Recovery succeeded!"); 18459 } catch (InstallerException e2) { 18460 logCriticalInfo(Log.DEBUG, "Recovery failed!"); 18461 } 18462 } else { 18463 Slog.e(TAG, "Failed to create app data for " + packageName + ": " + e); 18464 } 18465 } 18466 18467 if (restoreconNeeded) { 18468 restoreconAppDataLI(volumeUuid, packageName, userId, flags, appId, app.seinfo); 18469 } 18470 18471 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 18472 // Create a native library symlink only if we have native libraries 18473 // and if the native libraries are 32 bit libraries. We do not provide 18474 // this symlink for 64 bit libraries. 18475 if (app.primaryCpuAbi != null && !VMRuntime.is64BitAbi(app.primaryCpuAbi)) { 18476 final String nativeLibPath = app.nativeLibraryDir; 18477 try { 18478 mInstaller.linkNativeLibraryDirectory(volumeUuid, packageName, 18479 nativeLibPath, userId); 18480 } catch (InstallerException e) { 18481 Slog.e(TAG, "Failed to link native for " + packageName + ": " + e); 18482 } 18483 } 18484 } 18485 } 18486 } 18487 18488 /** 18489 * For system apps on non-FBE devices, this method migrates any existing 18490 * CE/DE data to match the {@code defaultToDeviceProtectedStorage} flag 18491 * requested by the app. 18492 */ 18493 private boolean maybeMigrateAppData(String volumeUuid, int userId, PackageParser.Package pkg) { 18494 if (pkg.isSystemApp() && !StorageManager.isFileEncryptedNativeOrEmulated() 18495 && PackageManager.APPLY_DEFAULT_TO_DEVICE_PROTECTED_STORAGE) { 18496 final int storageTarget = pkg.applicationInfo.isDefaultToDeviceProtectedStorage() 18497 ? StorageManager.FLAG_STORAGE_DE : StorageManager.FLAG_STORAGE_CE; 18498 synchronized (mInstallLock) { 18499 try { 18500 mInstaller.migrateAppData(volumeUuid, pkg.packageName, userId, storageTarget); 18501 } catch (InstallerException e) { 18502 logCriticalInfo(Log.WARN, 18503 "Failed to migrate " + pkg.packageName + ": " + e.getMessage()); 18504 } 18505 } 18506 return true; 18507 } else { 18508 return false; 18509 } 18510 } 18511 18512 private void unfreezePackage(String packageName) { 18513 synchronized (mPackages) { 18514 final PackageSetting ps = mSettings.mPackages.get(packageName); 18515 if (ps != null) { 18516 ps.frozen = false; 18517 } 18518 } 18519 } 18520 18521 @Override 18522 public int movePackage(final String packageName, final String volumeUuid) { 18523 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 18524 18525 final int moveId = mNextMoveId.getAndIncrement(); 18526 mHandler.post(new Runnable() { 18527 @Override 18528 public void run() { 18529 try { 18530 movePackageInternal(packageName, volumeUuid, moveId); 18531 } catch (PackageManagerException e) { 18532 Slog.w(TAG, "Failed to move " + packageName, e); 18533 mMoveCallbacks.notifyStatusChanged(moveId, 18534 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 18535 } 18536 } 18537 }); 18538 return moveId; 18539 } 18540 18541 private void movePackageInternal(final String packageName, final String volumeUuid, 18542 final int moveId) throws PackageManagerException { 18543 final UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 18544 final StorageManager storage = mContext.getSystemService(StorageManager.class); 18545 final PackageManager pm = mContext.getPackageManager(); 18546 18547 final boolean currentAsec; 18548 final String currentVolumeUuid; 18549 final File codeFile; 18550 final String installerPackageName; 18551 final String packageAbiOverride; 18552 final int appId; 18553 final String seinfo; 18554 final String label; 18555 final int targetSdkVersion; 18556 18557 // reader 18558 synchronized (mPackages) { 18559 final PackageParser.Package pkg = mPackages.get(packageName); 18560 final PackageSetting ps = mSettings.mPackages.get(packageName); 18561 if (pkg == null || ps == null) { 18562 throw new PackageManagerException(MOVE_FAILED_DOESNT_EXIST, "Missing package"); 18563 } 18564 18565 if (pkg.applicationInfo.isSystemApp()) { 18566 throw new PackageManagerException(MOVE_FAILED_SYSTEM_PACKAGE, 18567 "Cannot move system application"); 18568 } 18569 18570 if (pkg.applicationInfo.isExternalAsec()) { 18571 currentAsec = true; 18572 currentVolumeUuid = StorageManager.UUID_PRIMARY_PHYSICAL; 18573 } else if (pkg.applicationInfo.isForwardLocked()) { 18574 currentAsec = true; 18575 currentVolumeUuid = "forward_locked"; 18576 } else { 18577 currentAsec = false; 18578 currentVolumeUuid = ps.volumeUuid; 18579 18580 final File probe = new File(pkg.codePath); 18581 final File probeOat = new File(probe, "oat"); 18582 if (!probe.isDirectory() || !probeOat.isDirectory()) { 18583 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 18584 "Move only supported for modern cluster style installs"); 18585 } 18586 } 18587 18588 if (Objects.equals(currentVolumeUuid, volumeUuid)) { 18589 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 18590 "Package already moved to " + volumeUuid); 18591 } 18592 if (pkg.applicationInfo.isInternal() && isPackageDeviceAdminOnAnyUser(packageName)) { 18593 throw new PackageManagerException(MOVE_FAILED_DEVICE_ADMIN, 18594 "Device admin cannot be moved"); 18595 } 18596 18597 if (ps.frozen) { 18598 throw new PackageManagerException(MOVE_FAILED_OPERATION_PENDING, 18599 "Failed to move already frozen package"); 18600 } 18601 ps.frozen = true; 18602 18603 codeFile = new File(pkg.codePath); 18604 installerPackageName = ps.installerPackageName; 18605 packageAbiOverride = ps.cpuAbiOverrideString; 18606 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 18607 seinfo = pkg.applicationInfo.seinfo; 18608 label = String.valueOf(pm.getApplicationLabel(pkg.applicationInfo)); 18609 targetSdkVersion = pkg.applicationInfo.targetSdkVersion; 18610 } 18611 18612 // Now that we're guarded by frozen state, kill app during move 18613 final long token = Binder.clearCallingIdentity(); 18614 try { 18615 killApplication(packageName, appId, "move pkg"); 18616 } finally { 18617 Binder.restoreCallingIdentity(token); 18618 } 18619 18620 final Bundle extras = new Bundle(); 18621 extras.putString(Intent.EXTRA_PACKAGE_NAME, packageName); 18622 extras.putString(Intent.EXTRA_TITLE, label); 18623 mMoveCallbacks.notifyCreated(moveId, extras); 18624 18625 int installFlags; 18626 final boolean moveCompleteApp; 18627 final File measurePath; 18628 18629 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, volumeUuid)) { 18630 installFlags = INSTALL_INTERNAL; 18631 moveCompleteApp = !currentAsec; 18632 measurePath = Environment.getDataAppDirectory(volumeUuid); 18633 } else if (Objects.equals(StorageManager.UUID_PRIMARY_PHYSICAL, volumeUuid)) { 18634 installFlags = INSTALL_EXTERNAL; 18635 moveCompleteApp = false; 18636 measurePath = storage.getPrimaryPhysicalVolume().getPath(); 18637 } else { 18638 final VolumeInfo volume = storage.findVolumeByUuid(volumeUuid); 18639 if (volume == null || volume.getType() != VolumeInfo.TYPE_PRIVATE 18640 || !volume.isMountedWritable()) { 18641 unfreezePackage(packageName); 18642 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 18643 "Move location not mounted private volume"); 18644 } 18645 18646 Preconditions.checkState(!currentAsec); 18647 18648 installFlags = INSTALL_INTERNAL; 18649 moveCompleteApp = true; 18650 measurePath = Environment.getDataAppDirectory(volumeUuid); 18651 } 18652 18653 final PackageStats stats = new PackageStats(null, -1); 18654 synchronized (mInstaller) { 18655 if (!getPackageSizeInfoLI(packageName, -1, stats)) { 18656 unfreezePackage(packageName); 18657 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 18658 "Failed to measure package size"); 18659 } 18660 } 18661 18662 if (DEBUG_INSTALL) Slog.d(TAG, "Measured code size " + stats.codeSize + ", data size " 18663 + stats.dataSize); 18664 18665 final long startFreeBytes = measurePath.getFreeSpace(); 18666 final long sizeBytes; 18667 if (moveCompleteApp) { 18668 sizeBytes = stats.codeSize + stats.dataSize; 18669 } else { 18670 sizeBytes = stats.codeSize; 18671 } 18672 18673 if (sizeBytes > storage.getStorageBytesUntilLow(measurePath)) { 18674 unfreezePackage(packageName); 18675 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 18676 "Not enough free space to move"); 18677 } 18678 18679 mMoveCallbacks.notifyStatusChanged(moveId, 10); 18680 18681 final CountDownLatch installedLatch = new CountDownLatch(1); 18682 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 18683 @Override 18684 public void onUserActionRequired(Intent intent) throws RemoteException { 18685 throw new IllegalStateException(); 18686 } 18687 18688 @Override 18689 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 18690 Bundle extras) throws RemoteException { 18691 if (DEBUG_INSTALL) Slog.d(TAG, "Install result for move: " 18692 + PackageManager.installStatusToString(returnCode, msg)); 18693 18694 installedLatch.countDown(); 18695 18696 // Regardless of success or failure of the move operation, 18697 // always unfreeze the package 18698 unfreezePackage(packageName); 18699 18700 final int status = PackageManager.installStatusToPublicStatus(returnCode); 18701 switch (status) { 18702 case PackageInstaller.STATUS_SUCCESS: 18703 mMoveCallbacks.notifyStatusChanged(moveId, 18704 PackageManager.MOVE_SUCCEEDED); 18705 break; 18706 case PackageInstaller.STATUS_FAILURE_STORAGE: 18707 mMoveCallbacks.notifyStatusChanged(moveId, 18708 PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 18709 break; 18710 default: 18711 mMoveCallbacks.notifyStatusChanged(moveId, 18712 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 18713 break; 18714 } 18715 } 18716 }; 18717 18718 final MoveInfo move; 18719 if (moveCompleteApp) { 18720 // Kick off a thread to report progress estimates 18721 new Thread() { 18722 @Override 18723 public void run() { 18724 while (true) { 18725 try { 18726 if (installedLatch.await(1, TimeUnit.SECONDS)) { 18727 break; 18728 } 18729 } catch (InterruptedException ignored) { 18730 } 18731 18732 final long deltaFreeBytes = startFreeBytes - measurePath.getFreeSpace(); 18733 final int progress = 10 + (int) MathUtils.constrain( 18734 ((deltaFreeBytes * 80) / sizeBytes), 0, 80); 18735 mMoveCallbacks.notifyStatusChanged(moveId, progress); 18736 } 18737 } 18738 }.start(); 18739 18740 final String dataAppName = codeFile.getName(); 18741 move = new MoveInfo(moveId, currentVolumeUuid, volumeUuid, packageName, 18742 dataAppName, appId, seinfo, targetSdkVersion); 18743 } else { 18744 move = null; 18745 } 18746 18747 installFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 18748 18749 final Message msg = mHandler.obtainMessage(INIT_COPY); 18750 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 18751 final InstallParams params = new InstallParams(origin, move, installObserver, installFlags, 18752 installerPackageName, volumeUuid, null /*verificationInfo*/, user, 18753 packageAbiOverride, null); 18754 params.setTraceMethod("movePackage").setTraceCookie(System.identityHashCode(params)); 18755 msg.obj = params; 18756 18757 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "movePackage", 18758 System.identityHashCode(msg.obj)); 18759 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 18760 System.identityHashCode(msg.obj)); 18761 18762 mHandler.sendMessage(msg); 18763 } 18764 18765 @Override 18766 public int movePrimaryStorage(String volumeUuid) throws RemoteException { 18767 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 18768 18769 final int realMoveId = mNextMoveId.getAndIncrement(); 18770 final Bundle extras = new Bundle(); 18771 extras.putString(VolumeRecord.EXTRA_FS_UUID, volumeUuid); 18772 mMoveCallbacks.notifyCreated(realMoveId, extras); 18773 18774 final IPackageMoveObserver callback = new IPackageMoveObserver.Stub() { 18775 @Override 18776 public void onCreated(int moveId, Bundle extras) { 18777 // Ignored 18778 } 18779 18780 @Override 18781 public void onStatusChanged(int moveId, int status, long estMillis) { 18782 mMoveCallbacks.notifyStatusChanged(realMoveId, status, estMillis); 18783 } 18784 }; 18785 18786 final StorageManager storage = mContext.getSystemService(StorageManager.class); 18787 storage.setPrimaryStorageUuid(volumeUuid, callback); 18788 return realMoveId; 18789 } 18790 18791 @Override 18792 public int getMoveStatus(int moveId) { 18793 mContext.enforceCallingOrSelfPermission( 18794 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 18795 return mMoveCallbacks.mLastStatus.get(moveId); 18796 } 18797 18798 @Override 18799 public void registerMoveCallback(IPackageMoveObserver callback) { 18800 mContext.enforceCallingOrSelfPermission( 18801 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 18802 mMoveCallbacks.register(callback); 18803 } 18804 18805 @Override 18806 public void unregisterMoveCallback(IPackageMoveObserver callback) { 18807 mContext.enforceCallingOrSelfPermission( 18808 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 18809 mMoveCallbacks.unregister(callback); 18810 } 18811 18812 @Override 18813 public boolean setInstallLocation(int loc) { 18814 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 18815 null); 18816 if (getInstallLocation() == loc) { 18817 return true; 18818 } 18819 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 18820 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 18821 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 18822 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 18823 return true; 18824 } 18825 return false; 18826 } 18827 18828 @Override 18829 public int getInstallLocation() { 18830 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 18831 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 18832 PackageHelper.APP_INSTALL_AUTO); 18833 } 18834 18835 /** Called by UserManagerService */ 18836 void cleanUpUser(UserManagerService userManager, int userHandle) { 18837 synchronized (mPackages) { 18838 mDirtyUsers.remove(userHandle); 18839 mUserNeedsBadging.delete(userHandle); 18840 mSettings.removeUserLPw(userHandle); 18841 mPendingBroadcasts.remove(userHandle); 18842 mEphemeralApplicationRegistry.onUserRemovedLPw(userHandle); 18843 } 18844 synchronized (mInstallLock) { 18845 final StorageManager storage = mContext.getSystemService(StorageManager.class); 18846 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 18847 final String volumeUuid = vol.getFsUuid(); 18848 if (DEBUG_INSTALL) Slog.d(TAG, "Removing user data on volume " + volumeUuid); 18849 try { 18850 mInstaller.removeUserDataDirs(volumeUuid, userHandle); 18851 } catch (InstallerException e) { 18852 Slog.w(TAG, "Failed to remove user data", e); 18853 } 18854 } 18855 synchronized (mPackages) { 18856 removeUnusedPackagesLILPw(userManager, userHandle); 18857 } 18858 } 18859 } 18860 18861 /** 18862 * We're removing userHandle and would like to remove any downloaded packages 18863 * that are no longer in use by any other user. 18864 * @param userHandle the user being removed 18865 */ 18866 private void removeUnusedPackagesLILPw(UserManagerService userManager, final int userHandle) { 18867 final boolean DEBUG_CLEAN_APKS = false; 18868 int [] users = userManager.getUserIds(); 18869 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 18870 while (psit.hasNext()) { 18871 PackageSetting ps = psit.next(); 18872 if (ps.pkg == null) { 18873 continue; 18874 } 18875 final String packageName = ps.pkg.packageName; 18876 // Skip over if system app 18877 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 18878 continue; 18879 } 18880 if (DEBUG_CLEAN_APKS) { 18881 Slog.i(TAG, "Checking package " + packageName); 18882 } 18883 boolean keep = shouldKeepUninstalledPackageLPr(packageName); 18884 if (keep) { 18885 if (DEBUG_CLEAN_APKS) { 18886 Slog.i(TAG, " Keeping package " + packageName + " - requested by DO"); 18887 } 18888 } else { 18889 for (int i = 0; i < users.length; i++) { 18890 if (users[i] != userHandle && ps.getInstalled(users[i])) { 18891 keep = true; 18892 if (DEBUG_CLEAN_APKS) { 18893 Slog.i(TAG, " Keeping package " + packageName + " for user " 18894 + users[i]); 18895 } 18896 break; 18897 } 18898 } 18899 } 18900 if (!keep) { 18901 if (DEBUG_CLEAN_APKS) { 18902 Slog.i(TAG, " Removing package " + packageName); 18903 } 18904 mHandler.post(new Runnable() { 18905 public void run() { 18906 deletePackageX(packageName, userHandle, 0); 18907 } //end run 18908 }); 18909 } 18910 } 18911 } 18912 18913 /** Called by UserManagerService */ 18914 void createNewUser(int userHandle) { 18915 synchronized (mInstallLock) { 18916 try { 18917 mInstaller.createUserConfig(userHandle); 18918 } catch (InstallerException e) { 18919 Slog.w(TAG, "Failed to create user config", e); 18920 } 18921 mSettings.createNewUserLI(this, mInstaller, userHandle); 18922 } 18923 synchronized (mPackages) { 18924 applyFactoryDefaultBrowserLPw(userHandle); 18925 primeDomainVerificationsLPw(userHandle); 18926 } 18927 } 18928 18929 void newUserCreated(final int userHandle) { 18930 mDefaultPermissionPolicy.grantDefaultPermissions(userHandle); 18931 // If permission review for legacy apps is required, we represent 18932 // dagerous permissions for such apps as always granted runtime 18933 // permissions to keep per user flag state whether review is needed. 18934 // Hence, if a new user is added we have to propagate dangerous 18935 // permission grants for these legacy apps. 18936 if (Build.PERMISSIONS_REVIEW_REQUIRED) { 18937 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 18938 | UPDATE_PERMISSIONS_REPLACE_ALL); 18939 } 18940 } 18941 18942 @Override 18943 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 18944 mContext.enforceCallingOrSelfPermission( 18945 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 18946 "Only package verification agents can read the verifier device identity"); 18947 18948 synchronized (mPackages) { 18949 return mSettings.getVerifierDeviceIdentityLPw(); 18950 } 18951 } 18952 18953 @Override 18954 public void setPermissionEnforced(String permission, boolean enforced) { 18955 // TODO: Now that we no longer change GID for storage, this should to away. 18956 mContext.enforceCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 18957 "setPermissionEnforced"); 18958 if (READ_EXTERNAL_STORAGE.equals(permission)) { 18959 synchronized (mPackages) { 18960 if (mSettings.mReadExternalStorageEnforced == null 18961 || mSettings.mReadExternalStorageEnforced != enforced) { 18962 mSettings.mReadExternalStorageEnforced = enforced; 18963 mSettings.writeLPr(); 18964 } 18965 } 18966 // kill any non-foreground processes so we restart them and 18967 // grant/revoke the GID. 18968 final IActivityManager am = ActivityManagerNative.getDefault(); 18969 if (am != null) { 18970 final long token = Binder.clearCallingIdentity(); 18971 try { 18972 am.killProcessesBelowForeground("setPermissionEnforcement"); 18973 } catch (RemoteException e) { 18974 } finally { 18975 Binder.restoreCallingIdentity(token); 18976 } 18977 } 18978 } else { 18979 throw new IllegalArgumentException("No selective enforcement for " + permission); 18980 } 18981 } 18982 18983 @Override 18984 @Deprecated 18985 public boolean isPermissionEnforced(String permission) { 18986 return true; 18987 } 18988 18989 @Override 18990 public boolean isStorageLow() { 18991 final long token = Binder.clearCallingIdentity(); 18992 try { 18993 final DeviceStorageMonitorInternal 18994 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 18995 if (dsm != null) { 18996 return dsm.isMemoryLow(); 18997 } else { 18998 return false; 18999 } 19000 } finally { 19001 Binder.restoreCallingIdentity(token); 19002 } 19003 } 19004 19005 @Override 19006 public IPackageInstaller getPackageInstaller() { 19007 return mInstallerService; 19008 } 19009 19010 private boolean userNeedsBadging(int userId) { 19011 int index = mUserNeedsBadging.indexOfKey(userId); 19012 if (index < 0) { 19013 final UserInfo userInfo; 19014 final long token = Binder.clearCallingIdentity(); 19015 try { 19016 userInfo = sUserManager.getUserInfo(userId); 19017 } finally { 19018 Binder.restoreCallingIdentity(token); 19019 } 19020 final boolean b; 19021 if (userInfo != null && userInfo.isManagedProfile()) { 19022 b = true; 19023 } else { 19024 b = false; 19025 } 19026 mUserNeedsBadging.put(userId, b); 19027 return b; 19028 } 19029 return mUserNeedsBadging.valueAt(index); 19030 } 19031 19032 @Override 19033 public KeySet getKeySetByAlias(String packageName, String alias) { 19034 if (packageName == null || alias == null) { 19035 return null; 19036 } 19037 synchronized(mPackages) { 19038 final PackageParser.Package pkg = mPackages.get(packageName); 19039 if (pkg == null) { 19040 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 19041 throw new IllegalArgumentException("Unknown package: " + packageName); 19042 } 19043 KeySetManagerService ksms = mSettings.mKeySetManagerService; 19044 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 19045 } 19046 } 19047 19048 @Override 19049 public KeySet getSigningKeySet(String packageName) { 19050 if (packageName == null) { 19051 return null; 19052 } 19053 synchronized(mPackages) { 19054 final PackageParser.Package pkg = mPackages.get(packageName); 19055 if (pkg == null) { 19056 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 19057 throw new IllegalArgumentException("Unknown package: " + packageName); 19058 } 19059 if (pkg.applicationInfo.uid != Binder.getCallingUid() 19060 && Process.SYSTEM_UID != Binder.getCallingUid()) { 19061 throw new SecurityException("May not access signing KeySet of other apps."); 19062 } 19063 KeySetManagerService ksms = mSettings.mKeySetManagerService; 19064 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 19065 } 19066 } 19067 19068 @Override 19069 public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { 19070 if (packageName == null || ks == null) { 19071 return false; 19072 } 19073 synchronized(mPackages) { 19074 final PackageParser.Package pkg = mPackages.get(packageName); 19075 if (pkg == null) { 19076 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 19077 throw new IllegalArgumentException("Unknown package: " + packageName); 19078 } 19079 IBinder ksh = ks.getToken(); 19080 if (ksh instanceof KeySetHandle) { 19081 KeySetManagerService ksms = mSettings.mKeySetManagerService; 19082 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 19083 } 19084 return false; 19085 } 19086 } 19087 19088 @Override 19089 public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { 19090 if (packageName == null || ks == null) { 19091 return false; 19092 } 19093 synchronized(mPackages) { 19094 final PackageParser.Package pkg = mPackages.get(packageName); 19095 if (pkg == null) { 19096 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 19097 throw new IllegalArgumentException("Unknown package: " + packageName); 19098 } 19099 IBinder ksh = ks.getToken(); 19100 if (ksh instanceof KeySetHandle) { 19101 KeySetManagerService ksms = mSettings.mKeySetManagerService; 19102 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 19103 } 19104 return false; 19105 } 19106 } 19107 19108 private void deletePackageIfUnusedLPr(final String packageName) { 19109 PackageSetting ps = mSettings.mPackages.get(packageName); 19110 if (ps == null) { 19111 return; 19112 } 19113 if (!ps.isAnyInstalled(sUserManager.getUserIds())) { 19114 // TODO Implement atomic delete if package is unused 19115 // It is currently possible that the package will be deleted even if it is installed 19116 // after this method returns. 19117 mHandler.post(new Runnable() { 19118 public void run() { 19119 deletePackageX(packageName, 0, PackageManager.DELETE_ALL_USERS); 19120 } 19121 }); 19122 } 19123 } 19124 19125 /** 19126 * Check and throw if the given before/after packages would be considered a 19127 * downgrade. 19128 */ 19129 private static void checkDowngrade(PackageParser.Package before, PackageInfoLite after) 19130 throws PackageManagerException { 19131 if (after.versionCode < before.mVersionCode) { 19132 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 19133 "Update version code " + after.versionCode + " is older than current " 19134 + before.mVersionCode); 19135 } else if (after.versionCode == before.mVersionCode) { 19136 if (after.baseRevisionCode < before.baseRevisionCode) { 19137 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 19138 "Update base revision code " + after.baseRevisionCode 19139 + " is older than current " + before.baseRevisionCode); 19140 } 19141 19142 if (!ArrayUtils.isEmpty(after.splitNames)) { 19143 for (int i = 0; i < after.splitNames.length; i++) { 19144 final String splitName = after.splitNames[i]; 19145 final int j = ArrayUtils.indexOf(before.splitNames, splitName); 19146 if (j != -1) { 19147 if (after.splitRevisionCodes[i] < before.splitRevisionCodes[j]) { 19148 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 19149 "Update split " + splitName + " revision code " 19150 + after.splitRevisionCodes[i] + " is older than current " 19151 + before.splitRevisionCodes[j]); 19152 } 19153 } 19154 } 19155 } 19156 } 19157 } 19158 19159 private static class MoveCallbacks extends Handler { 19160 private static final int MSG_CREATED = 1; 19161 private static final int MSG_STATUS_CHANGED = 2; 19162 19163 private final RemoteCallbackList<IPackageMoveObserver> 19164 mCallbacks = new RemoteCallbackList<>(); 19165 19166 private final SparseIntArray mLastStatus = new SparseIntArray(); 19167 19168 public MoveCallbacks(Looper looper) { 19169 super(looper); 19170 } 19171 19172 public void register(IPackageMoveObserver callback) { 19173 mCallbacks.register(callback); 19174 } 19175 19176 public void unregister(IPackageMoveObserver callback) { 19177 mCallbacks.unregister(callback); 19178 } 19179 19180 @Override 19181 public void handleMessage(Message msg) { 19182 final SomeArgs args = (SomeArgs) msg.obj; 19183 final int n = mCallbacks.beginBroadcast(); 19184 for (int i = 0; i < n; i++) { 19185 final IPackageMoveObserver callback = mCallbacks.getBroadcastItem(i); 19186 try { 19187 invokeCallback(callback, msg.what, args); 19188 } catch (RemoteException ignored) { 19189 } 19190 } 19191 mCallbacks.finishBroadcast(); 19192 args.recycle(); 19193 } 19194 19195 private void invokeCallback(IPackageMoveObserver callback, int what, SomeArgs args) 19196 throws RemoteException { 19197 switch (what) { 19198 case MSG_CREATED: { 19199 callback.onCreated(args.argi1, (Bundle) args.arg2); 19200 break; 19201 } 19202 case MSG_STATUS_CHANGED: { 19203 callback.onStatusChanged(args.argi1, args.argi2, (long) args.arg3); 19204 break; 19205 } 19206 } 19207 } 19208 19209 private void notifyCreated(int moveId, Bundle extras) { 19210 Slog.v(TAG, "Move " + moveId + " created " + extras.toString()); 19211 19212 final SomeArgs args = SomeArgs.obtain(); 19213 args.argi1 = moveId; 19214 args.arg2 = extras; 19215 obtainMessage(MSG_CREATED, args).sendToTarget(); 19216 } 19217 19218 private void notifyStatusChanged(int moveId, int status) { 19219 notifyStatusChanged(moveId, status, -1); 19220 } 19221 19222 private void notifyStatusChanged(int moveId, int status, long estMillis) { 19223 Slog.v(TAG, "Move " + moveId + " status " + status); 19224 19225 final SomeArgs args = SomeArgs.obtain(); 19226 args.argi1 = moveId; 19227 args.argi2 = status; 19228 args.arg3 = estMillis; 19229 obtainMessage(MSG_STATUS_CHANGED, args).sendToTarget(); 19230 19231 synchronized (mLastStatus) { 19232 mLastStatus.put(moveId, status); 19233 } 19234 } 19235 } 19236 19237 private final static class OnPermissionChangeListeners extends Handler { 19238 private static final int MSG_ON_PERMISSIONS_CHANGED = 1; 19239 19240 private final RemoteCallbackList<IOnPermissionsChangeListener> mPermissionListeners = 19241 new RemoteCallbackList<>(); 19242 19243 public OnPermissionChangeListeners(Looper looper) { 19244 super(looper); 19245 } 19246 19247 @Override 19248 public void handleMessage(Message msg) { 19249 switch (msg.what) { 19250 case MSG_ON_PERMISSIONS_CHANGED: { 19251 final int uid = msg.arg1; 19252 handleOnPermissionsChanged(uid); 19253 } break; 19254 } 19255 } 19256 19257 public void addListenerLocked(IOnPermissionsChangeListener listener) { 19258 mPermissionListeners.register(listener); 19259 19260 } 19261 19262 public void removeListenerLocked(IOnPermissionsChangeListener listener) { 19263 mPermissionListeners.unregister(listener); 19264 } 19265 19266 public void onPermissionsChanged(int uid) { 19267 if (mPermissionListeners.getRegisteredCallbackCount() > 0) { 19268 obtainMessage(MSG_ON_PERMISSIONS_CHANGED, uid, 0).sendToTarget(); 19269 } 19270 } 19271 19272 private void handleOnPermissionsChanged(int uid) { 19273 final int count = mPermissionListeners.beginBroadcast(); 19274 try { 19275 for (int i = 0; i < count; i++) { 19276 IOnPermissionsChangeListener callback = mPermissionListeners 19277 .getBroadcastItem(i); 19278 try { 19279 callback.onPermissionsChanged(uid); 19280 } catch (RemoteException e) { 19281 Log.e(TAG, "Permission listener is dead", e); 19282 } 19283 } 19284 } finally { 19285 mPermissionListeners.finishBroadcast(); 19286 } 19287 } 19288 } 19289 19290 private class PackageManagerInternalImpl extends PackageManagerInternal { 19291 @Override 19292 public void setLocationPackagesProvider(PackagesProvider provider) { 19293 synchronized (mPackages) { 19294 mDefaultPermissionPolicy.setLocationPackagesProviderLPw(provider); 19295 } 19296 } 19297 19298 @Override 19299 public void setVoiceInteractionPackagesProvider(PackagesProvider provider) { 19300 synchronized (mPackages) { 19301 mDefaultPermissionPolicy.setVoiceInteractionPackagesProviderLPw(provider); 19302 } 19303 } 19304 19305 @Override 19306 public void setSmsAppPackagesProvider(PackagesProvider provider) { 19307 synchronized (mPackages) { 19308 mDefaultPermissionPolicy.setSmsAppPackagesProviderLPw(provider); 19309 } 19310 } 19311 19312 @Override 19313 public void setDialerAppPackagesProvider(PackagesProvider provider) { 19314 synchronized (mPackages) { 19315 mDefaultPermissionPolicy.setDialerAppPackagesProviderLPw(provider); 19316 } 19317 } 19318 19319 @Override 19320 public void setSimCallManagerPackagesProvider(PackagesProvider provider) { 19321 synchronized (mPackages) { 19322 mDefaultPermissionPolicy.setSimCallManagerPackagesProviderLPw(provider); 19323 } 19324 } 19325 19326 @Override 19327 public void setSyncAdapterPackagesprovider(SyncAdapterPackagesProvider provider) { 19328 synchronized (mPackages) { 19329 mDefaultPermissionPolicy.setSyncAdapterPackagesProviderLPw(provider); 19330 } 19331 } 19332 19333 @Override 19334 public void grantDefaultPermissionsToDefaultSmsApp(String packageName, int userId) { 19335 synchronized (mPackages) { 19336 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSmsAppLPr( 19337 packageName, userId); 19338 } 19339 } 19340 19341 @Override 19342 public void grantDefaultPermissionsToDefaultDialerApp(String packageName, int userId) { 19343 synchronized (mPackages) { 19344 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultDialerAppLPr( 19345 packageName, userId); 19346 } 19347 } 19348 19349 @Override 19350 public void grantDefaultPermissionsToDefaultSimCallManager(String packageName, int userId) { 19351 synchronized (mPackages) { 19352 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSimCallManagerLPr( 19353 packageName, userId); 19354 } 19355 } 19356 19357 @Override 19358 public void setKeepUninstalledPackages(final List<String> packageList) { 19359 Preconditions.checkNotNull(packageList); 19360 List<String> removedFromList = null; 19361 synchronized (mPackages) { 19362 if (mKeepUninstalledPackages != null) { 19363 final int packagesCount = mKeepUninstalledPackages.size(); 19364 for (int i = 0; i < packagesCount; i++) { 19365 String oldPackage = mKeepUninstalledPackages.get(i); 19366 if (packageList != null && packageList.contains(oldPackage)) { 19367 continue; 19368 } 19369 if (removedFromList == null) { 19370 removedFromList = new ArrayList<>(); 19371 } 19372 removedFromList.add(oldPackage); 19373 } 19374 } 19375 mKeepUninstalledPackages = new ArrayList<>(packageList); 19376 if (removedFromList != null) { 19377 final int removedCount = removedFromList.size(); 19378 for (int i = 0; i < removedCount; i++) { 19379 deletePackageIfUnusedLPr(removedFromList.get(i)); 19380 } 19381 } 19382 } 19383 } 19384 19385 @Override 19386 public boolean isPermissionsReviewRequired(String packageName, int userId) { 19387 synchronized (mPackages) { 19388 // If we do not support permission review, done. 19389 if (!Build.PERMISSIONS_REVIEW_REQUIRED) { 19390 return false; 19391 } 19392 19393 PackageSetting packageSetting = mSettings.mPackages.get(packageName); 19394 if (packageSetting == null) { 19395 return false; 19396 } 19397 19398 // Permission review applies only to apps not supporting the new permission model. 19399 if (packageSetting.pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.M) { 19400 return false; 19401 } 19402 19403 // Legacy apps have the permission and get user consent on launch. 19404 PermissionsState permissionsState = packageSetting.getPermissionsState(); 19405 return permissionsState.isPermissionReviewRequired(userId); 19406 } 19407 } 19408 19409 @Override 19410 public ApplicationInfo getApplicationInfo(String packageName, int userId) { 19411 return PackageManagerService.this.getApplicationInfo(packageName, 0 /*flags*/, userId); 19412 } 19413 19414 @Override 19415 public ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 19416 int userId) { 19417 return PackageManagerService.this.getHomeActivitiesAsUser(allHomeCandidates, userId); 19418 } 19419 } 19420 19421 @Override 19422 public void grantDefaultPermissionsToEnabledCarrierApps(String[] packageNames, int userId) { 19423 enforceSystemOrPhoneCaller("grantPermissionsToEnabledCarrierApps"); 19424 synchronized (mPackages) { 19425 final long identity = Binder.clearCallingIdentity(); 19426 try { 19427 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledCarrierAppsLPr( 19428 packageNames, userId); 19429 } finally { 19430 Binder.restoreCallingIdentity(identity); 19431 } 19432 } 19433 } 19434 19435 private static void enforceSystemOrPhoneCaller(String tag) { 19436 int callingUid = Binder.getCallingUid(); 19437 if (callingUid != Process.PHONE_UID && callingUid != Process.SYSTEM_UID) { 19438 throw new SecurityException( 19439 "Cannot call " + tag + " from UID " + callingUid); 19440 } 19441 } 19442 19443 boolean isHistoricalPackageUsageAvailable() { 19444 return mPackageUsage.isHistoricalPackageUsageAvailable(); 19445 } 19446 19447 /** 19448 * Return a <b>copy</b> of the collection of packages known to the package manager. 19449 * @return A copy of the values of mPackages. 19450 */ 19451 Collection<PackageParser.Package> getPackages() { 19452 synchronized (mPackages) { 19453 return new ArrayList<>(mPackages.values()); 19454 } 19455 } 19456 19457 /** 19458 * Logs process start information (including base APK hash) to the security log. 19459 * @hide 19460 */ 19461 public void logAppProcessStartIfNeeded(String processName, int uid, String seinfo, 19462 String apkFile, int pid) { 19463 if (!SecurityLog.isLoggingEnabled()) { 19464 return; 19465 } 19466 Bundle data = new Bundle(); 19467 data.putLong("startTimestamp", System.currentTimeMillis()); 19468 data.putString("processName", processName); 19469 data.putInt("uid", uid); 19470 data.putString("seinfo", seinfo); 19471 data.putString("apkFile", apkFile); 19472 data.putInt("pid", pid); 19473 Message msg = mProcessLoggingHandler.obtainMessage( 19474 ProcessLoggingHandler.LOG_APP_PROCESS_START_MSG); 19475 msg.setData(data); 19476 mProcessLoggingHandler.sendMessage(msg); 19477 } 19478} 19479