PackageManagerService.java revision 29283375831d6ccf04b60d02af03e4268d79c454
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_SYSTEM_ONLY; 68import static android.content.pm.PackageManager.MATCH_UNINSTALLED_PACKAGES; 69import static android.content.pm.PackageManager.MOVE_FAILED_DEVICE_ADMIN; 70import static android.content.pm.PackageManager.MOVE_FAILED_DOESNT_EXIST; 71import static android.content.pm.PackageManager.MOVE_FAILED_INTERNAL_ERROR; 72import static android.content.pm.PackageManager.MOVE_FAILED_OPERATION_PENDING; 73import static android.content.pm.PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; 74import static android.content.pm.PackageManager.PERMISSION_DENIED; 75import static android.content.pm.PackageManager.PERMISSION_GRANTED; 76import static android.content.pm.PackageParser.PARSE_IS_PRIVILEGED; 77import static android.content.pm.PackageParser.isApkFile; 78import static android.os.Process.PACKAGE_INFO_GID; 79import static android.os.Process.SYSTEM_UID; 80import static android.os.Trace.TRACE_TAG_PACKAGE_MANAGER; 81import static android.system.OsConstants.O_CREAT; 82import static android.system.OsConstants.O_RDWR; 83 84import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_MANAGED_PROFILE; 85import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_PARENT; 86import static com.android.internal.content.NativeLibraryHelper.LIB64_DIR_NAME; 87import static com.android.internal.content.NativeLibraryHelper.LIB_DIR_NAME; 88import static com.android.internal.util.ArrayUtils.appendInt; 89import static com.android.server.pm.Installer.DEXOPT_PUBLIC; 90import static com.android.server.pm.InstructionSets.getAppDexInstructionSets; 91import static com.android.server.pm.InstructionSets.getDexCodeInstructionSet; 92import static com.android.server.pm.InstructionSets.getDexCodeInstructionSets; 93import static com.android.server.pm.InstructionSets.getPreferredInstructionSet; 94import static com.android.server.pm.InstructionSets.getPrimaryInstructionSet; 95import static com.android.server.pm.PackageManagerServiceCompilerMapping.getCompilerFilterForReason; 96import static com.android.server.pm.PackageManagerServiceCompilerMapping.getFullCompilerFilter; 97import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_FAILURE; 98import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS; 99import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED; 100 101import android.Manifest; 102import android.annotation.NonNull; 103import android.annotation.Nullable; 104import android.app.ActivityManager; 105import android.app.ActivityManagerNative; 106import android.app.IActivityManager; 107import android.app.admin.DevicePolicyManagerInternal; 108import android.app.admin.IDevicePolicyManager; 109import android.app.admin.SecurityLog; 110import android.app.backup.IBackupManager; 111import android.content.BroadcastReceiver; 112import android.content.ComponentName; 113import android.content.Context; 114import android.content.IIntentReceiver; 115import android.content.Intent; 116import android.content.IntentFilter; 117import android.content.IntentSender; 118import android.content.IntentSender.SendIntentException; 119import android.content.ServiceConnection; 120import android.content.pm.ActivityInfo; 121import android.content.pm.ApplicationInfo; 122import android.content.pm.AppsQueryHelper; 123import android.content.pm.ComponentInfo; 124import android.content.pm.EphemeralApplicationInfo; 125import android.content.pm.EphemeralResolveInfo; 126import android.content.pm.EphemeralResolveInfo.EphemeralResolveIntentInfo; 127import android.content.pm.FeatureInfo; 128import android.content.pm.IOnPermissionsChangeListener; 129import android.content.pm.IPackageDataObserver; 130import android.content.pm.IPackageDeleteObserver; 131import android.content.pm.IPackageDeleteObserver2; 132import android.content.pm.IPackageInstallObserver2; 133import android.content.pm.IPackageInstaller; 134import android.content.pm.IPackageManager; 135import android.content.pm.IPackageMoveObserver; 136import android.content.pm.IPackageStatsObserver; 137import android.content.pm.InstrumentationInfo; 138import android.content.pm.IntentFilterVerificationInfo; 139import android.content.pm.KeySet; 140import android.content.pm.PackageCleanItem; 141import android.content.pm.PackageInfo; 142import android.content.pm.PackageInfoLite; 143import android.content.pm.PackageInstaller; 144import android.content.pm.PackageManager; 145import android.content.pm.PackageManager.LegacyPackageDeleteObserver; 146import android.content.pm.PackageManagerInternal; 147import android.content.pm.PackageParser; 148import android.content.pm.PackageParser.ActivityIntentInfo; 149import android.content.pm.PackageParser.PackageLite; 150import android.content.pm.PackageParser.PackageParserException; 151import android.content.pm.PackageStats; 152import android.content.pm.PackageUserState; 153import android.content.pm.ParceledListSlice; 154import android.content.pm.PermissionGroupInfo; 155import android.content.pm.PermissionInfo; 156import android.content.pm.ProviderInfo; 157import android.content.pm.ResolveInfo; 158import android.content.pm.ServiceInfo; 159import android.content.pm.Signature; 160import android.content.pm.UserInfo; 161import android.content.pm.VerifierDeviceIdentity; 162import android.content.pm.VerifierInfo; 163import android.content.res.Resources; 164import android.graphics.Bitmap; 165import android.hardware.display.DisplayManager; 166import android.net.Uri; 167import android.os.Binder; 168import android.os.Build; 169import android.os.Bundle; 170import android.os.Debug; 171import android.os.Environment; 172import android.os.Environment.UserEnvironment; 173import android.os.FileUtils; 174import android.os.Handler; 175import android.os.IBinder; 176import android.os.Looper; 177import android.os.Message; 178import android.os.Parcel; 179import android.os.ParcelFileDescriptor; 180import android.os.Process; 181import android.os.RemoteCallbackList; 182import android.os.RemoteException; 183import android.os.ResultReceiver; 184import android.os.SELinux; 185import android.os.ServiceManager; 186import android.os.SystemClock; 187import android.os.SystemProperties; 188import android.os.Trace; 189import android.os.UserHandle; 190import android.os.UserManager; 191import android.os.storage.IMountService; 192import android.os.storage.MountServiceInternal; 193import android.os.storage.StorageEventListener; 194import android.os.storage.StorageManager; 195import android.os.storage.VolumeInfo; 196import android.os.storage.VolumeRecord; 197import android.security.KeyStore; 198import android.security.SystemKeyStore; 199import android.system.ErrnoException; 200import android.system.Os; 201import android.text.TextUtils; 202import android.text.format.DateUtils; 203import android.util.ArrayMap; 204import android.util.ArraySet; 205import android.util.AtomicFile; 206import android.util.DisplayMetrics; 207import android.util.EventLog; 208import android.util.ExceptionUtils; 209import android.util.Log; 210import android.util.LogPrinter; 211import android.util.MathUtils; 212import android.util.PrintStreamPrinter; 213import android.util.Slog; 214import android.util.SparseArray; 215import android.util.SparseBooleanArray; 216import android.util.SparseIntArray; 217import android.util.Xml; 218import android.view.Display; 219 220import com.android.internal.R; 221import com.android.internal.annotations.GuardedBy; 222import com.android.internal.app.IMediaContainerService; 223import com.android.internal.app.ResolverActivity; 224import com.android.internal.content.NativeLibraryHelper; 225import com.android.internal.content.PackageHelper; 226import com.android.internal.os.IParcelFileDescriptorFactory; 227import com.android.internal.os.InstallerConnection.InstallerException; 228import com.android.internal.os.SomeArgs; 229import com.android.internal.os.Zygote; 230import com.android.internal.util.ArrayUtils; 231import com.android.internal.util.FastPrintWriter; 232import com.android.internal.util.FastXmlSerializer; 233import com.android.internal.util.IndentingPrintWriter; 234import com.android.internal.util.Preconditions; 235import com.android.internal.util.XmlUtils; 236import com.android.server.EventLogTags; 237import com.android.server.FgThread; 238import com.android.server.IntentResolver; 239import com.android.server.LocalServices; 240import com.android.server.ServiceThread; 241import com.android.server.SystemConfig; 242import com.android.server.Watchdog; 243import com.android.server.pm.PermissionsState.PermissionState; 244import com.android.server.pm.Settings.DatabaseVersion; 245import com.android.server.pm.Settings.VersionInfo; 246import com.android.server.storage.DeviceStorageMonitorInternal; 247 248import dalvik.system.DexFile; 249import dalvik.system.VMRuntime; 250 251import libcore.io.IoUtils; 252import libcore.util.EmptyArray; 253 254import org.xmlpull.v1.XmlPullParser; 255import org.xmlpull.v1.XmlPullParserException; 256import org.xmlpull.v1.XmlSerializer; 257 258import java.io.BufferedInputStream; 259import java.io.BufferedOutputStream; 260import java.io.BufferedReader; 261import java.io.ByteArrayInputStream; 262import java.io.ByteArrayOutputStream; 263import java.io.File; 264import java.io.FileDescriptor; 265import java.io.FileNotFoundException; 266import java.io.FileOutputStream; 267import java.io.FileReader; 268import java.io.FilenameFilter; 269import java.io.IOException; 270import java.io.InputStream; 271import java.io.PrintWriter; 272import java.nio.charset.StandardCharsets; 273import java.security.MessageDigest; 274import java.security.NoSuchAlgorithmException; 275import java.security.PublicKey; 276import java.security.cert.CertificateEncodingException; 277import java.security.cert.CertificateException; 278import java.text.SimpleDateFormat; 279import java.util.ArrayList; 280import java.util.Arrays; 281import java.util.Collection; 282import java.util.Collections; 283import java.util.Comparator; 284import java.util.Date; 285import java.util.HashSet; 286import java.util.Iterator; 287import java.util.List; 288import java.util.Map; 289import java.util.Objects; 290import java.util.Set; 291import java.util.concurrent.CountDownLatch; 292import java.util.concurrent.TimeUnit; 293import java.util.concurrent.atomic.AtomicBoolean; 294import java.util.concurrent.atomic.AtomicInteger; 295import java.util.concurrent.atomic.AtomicLong; 296 297/** 298 * Keep track of all those .apks everywhere. 299 * 300 * This is very central to the platform's security; please run the unit 301 * tests whenever making modifications here: 302 * 303runtest -c android.content.pm.PackageManagerTests frameworks-core 304 * 305 * {@hide} 306 */ 307public class PackageManagerService extends IPackageManager.Stub { 308 static final String TAG = "PackageManager"; 309 static final boolean DEBUG_SETTINGS = false; 310 static final boolean DEBUG_PREFERRED = false; 311 static final boolean DEBUG_UPGRADE = false; 312 static final boolean DEBUG_DOMAIN_VERIFICATION = false; 313 private static final boolean DEBUG_BACKUP = false; 314 private static final boolean DEBUG_INSTALL = false; 315 private static final boolean DEBUG_REMOVE = false; 316 private static final boolean DEBUG_BROADCASTS = false; 317 private static final boolean DEBUG_SHOW_INFO = false; 318 private static final boolean DEBUG_PACKAGE_INFO = false; 319 private static final boolean DEBUG_INTENT_MATCHING = false; 320 private static final boolean DEBUG_PACKAGE_SCANNING = false; 321 private static final boolean DEBUG_VERIFY = false; 322 323 // Debug output for dexopting. This is shared between PackageManagerService, OtaDexoptService 324 // and PackageDexOptimizer. All these classes have their own flag to allow switching a single 325 // user, but by default initialize to this. 326 static final boolean DEBUG_DEXOPT = false; 327 328 private static final boolean DEBUG_ABI_SELECTION = false; 329 private static final boolean DEBUG_EPHEMERAL = false; 330 private static final boolean DEBUG_TRIAGED_MISSING = false; 331 private static final boolean DEBUG_APP_DATA = false; 332 333 static final boolean CLEAR_RUNTIME_PERMISSIONS_ON_UPGRADE = false; 334 335 private static final boolean DISABLE_EPHEMERAL_APPS = true; 336 337 private static final int RADIO_UID = Process.PHONE_UID; 338 private static final int LOG_UID = Process.LOG_UID; 339 private static final int NFC_UID = Process.NFC_UID; 340 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 341 private static final int SHELL_UID = Process.SHELL_UID; 342 343 // Cap the size of permission trees that 3rd party apps can define 344 private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768; // characters of text 345 346 // Suffix used during package installation when copying/moving 347 // package apks to install directory. 348 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 349 350 static final int SCAN_NO_DEX = 1<<1; 351 static final int SCAN_FORCE_DEX = 1<<2; 352 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 353 static final int SCAN_NEW_INSTALL = 1<<4; 354 static final int SCAN_NO_PATHS = 1<<5; 355 static final int SCAN_UPDATE_TIME = 1<<6; 356 static final int SCAN_DEFER_DEX = 1<<7; 357 static final int SCAN_BOOTING = 1<<8; 358 static final int SCAN_TRUSTED_OVERLAY = 1<<9; 359 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<10; 360 static final int SCAN_REPLACING = 1<<11; 361 static final int SCAN_REQUIRE_KNOWN = 1<<12; 362 static final int SCAN_MOVE = 1<<13; 363 static final int SCAN_INITIAL = 1<<14; 364 static final int SCAN_CHECK_ONLY = 1<<15; 365 static final int SCAN_DONT_KILL_APP = 1<<17; 366 367 static final int REMOVE_CHATTY = 1<<16; 368 369 private static final int[] EMPTY_INT_ARRAY = new int[0]; 370 371 /** 372 * Timeout (in milliseconds) after which the watchdog should declare that 373 * our handler thread is wedged. The usual default for such things is one 374 * minute but we sometimes do very lengthy I/O operations on this thread, 375 * such as installing multi-gigabyte applications, so ours needs to be longer. 376 */ 377 private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 378 379 /** 380 * Wall-clock timeout (in milliseconds) after which we *require* that an fstrim 381 * be run on this device. We use the value in the Settings.Global.MANDATORY_FSTRIM_INTERVAL 382 * settings entry if available, otherwise we use the hardcoded default. If it's been 383 * more than this long since the last fstrim, we force one during the boot sequence. 384 * 385 * This backstops other fstrim scheduling: if the device is alive at midnight+idle, 386 * one gets run at the next available charging+idle time. This final mandatory 387 * no-fstrim check kicks in only of the other scheduling criteria is never met. 388 */ 389 private static final long DEFAULT_MANDATORY_FSTRIM_INTERVAL = 3 * DateUtils.DAY_IN_MILLIS; 390 391 /** 392 * Whether verification is enabled by default. 393 */ 394 private static final boolean DEFAULT_VERIFY_ENABLE = true; 395 396 /** 397 * The default maximum time to wait for the verification agent to return in 398 * milliseconds. 399 */ 400 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 401 402 /** 403 * The default response for package verification timeout. 404 * 405 * This can be either PackageManager.VERIFICATION_ALLOW or 406 * PackageManager.VERIFICATION_REJECT. 407 */ 408 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 409 410 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 411 412 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 413 DEFAULT_CONTAINER_PACKAGE, 414 "com.android.defcontainer.DefaultContainerService"); 415 416 private static final String KILL_APP_REASON_GIDS_CHANGED = 417 "permission grant or revoke changed gids"; 418 419 private static final String KILL_APP_REASON_PERMISSIONS_REVOKED = 420 "permissions revoked"; 421 422 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 423 424 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 425 426 /** Permission grant: not grant the permission. */ 427 private static final int GRANT_DENIED = 1; 428 429 /** Permission grant: grant the permission as an install permission. */ 430 private static final int GRANT_INSTALL = 2; 431 432 /** Permission grant: grant the permission as a runtime one. */ 433 private static final int GRANT_RUNTIME = 3; 434 435 /** Permission grant: grant as runtime a permission that was granted as an install time one. */ 436 private static final int GRANT_UPGRADE = 4; 437 438 /** Canonical intent used to identify what counts as a "web browser" app */ 439 private static final Intent sBrowserIntent; 440 static { 441 sBrowserIntent = new Intent(); 442 sBrowserIntent.setAction(Intent.ACTION_VIEW); 443 sBrowserIntent.addCategory(Intent.CATEGORY_BROWSABLE); 444 sBrowserIntent.setData(Uri.parse("http:")); 445 } 446 447 // Compilation reasons. 448 public static final int REASON_FIRST_BOOT = 0; 449 public static final int REASON_BOOT = 1; 450 public static final int REASON_INSTALL = 2; 451 public static final int REASON_BACKGROUND_DEXOPT = 3; 452 public static final int REASON_AB_OTA = 4; 453 public static final int REASON_NON_SYSTEM_LIBRARY = 5; 454 public static final int REASON_SHARED_APK = 6; 455 public static final int REASON_FORCED_DEXOPT = 7; 456 457 public static final int REASON_LAST = REASON_FORCED_DEXOPT; 458 459 final ServiceThread mHandlerThread; 460 461 final PackageHandler mHandler; 462 463 private final ProcessLoggingHandler mProcessLoggingHandler; 464 465 /** 466 * Messages for {@link #mHandler} that need to wait for system ready before 467 * being dispatched. 468 */ 469 private ArrayList<Message> mPostSystemReadyMessages; 470 471 final int mSdkVersion = Build.VERSION.SDK_INT; 472 473 final Context mContext; 474 final boolean mFactoryTest; 475 final boolean mOnlyCore; 476 final DisplayMetrics mMetrics; 477 final int mDefParseFlags; 478 final String[] mSeparateProcesses; 479 final boolean mIsUpgrade; 480 final boolean mIsPreNUpgrade; 481 482 /** The location for ASEC container files on internal storage. */ 483 final String mAsecInternalPath; 484 485 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 486 // LOCK HELD. Can be called with mInstallLock held. 487 @GuardedBy("mInstallLock") 488 final Installer mInstaller; 489 490 /** Directory where installed third-party apps stored */ 491 final File mAppInstallDir; 492 final File mEphemeralInstallDir; 493 494 /** 495 * Directory to which applications installed internally have their 496 * 32 bit native libraries copied. 497 */ 498 private File mAppLib32InstallDir; 499 500 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 501 // apps. 502 final File mDrmAppPrivateInstallDir; 503 504 // ---------------------------------------------------------------- 505 506 // Lock for state used when installing and doing other long running 507 // operations. Methods that must be called with this lock held have 508 // the suffix "LI". 509 final Object mInstallLock = new Object(); 510 511 // ---------------------------------------------------------------- 512 513 // Keys are String (package name), values are Package. This also serves 514 // as the lock for the global state. Methods that must be called with 515 // this lock held have the prefix "LP". 516 @GuardedBy("mPackages") 517 final ArrayMap<String, PackageParser.Package> mPackages = 518 new ArrayMap<String, PackageParser.Package>(); 519 520 final ArrayMap<String, Set<String>> mKnownCodebase = 521 new ArrayMap<String, Set<String>>(); 522 523 // Tracks available target package names -> overlay package paths. 524 final ArrayMap<String, ArrayMap<String, PackageParser.Package>> mOverlays = 525 new ArrayMap<String, ArrayMap<String, PackageParser.Package>>(); 526 527 /** 528 * Tracks new system packages [received in an OTA] that we expect to 529 * find updated user-installed versions. Keys are package name, values 530 * are package location. 531 */ 532 final private ArrayMap<String, File> mExpectingBetter = new ArrayMap<>(); 533 534 /** 535 * Tracks existing system packages prior to receiving an OTA. Keys are package name. 536 */ 537 final private ArraySet<String> mExistingSystemPackages = new ArraySet<>(); 538 /** 539 * Whether or not system app permissions should be promoted from install to runtime. 540 */ 541 boolean mPromoteSystemApps; 542 543 final Settings mSettings; 544 boolean mRestoredSettings; 545 546 // System configuration read by SystemConfig. 547 final int[] mGlobalGids; 548 final SparseArray<ArraySet<String>> mSystemPermissions; 549 final ArrayMap<String, FeatureInfo> mAvailableFeatures; 550 551 // If mac_permissions.xml was found for seinfo labeling. 552 boolean mFoundPolicyFile; 553 554 private final EphemeralApplicationRegistry mEphemeralApplicationRegistry; 555 556 public static final class SharedLibraryEntry { 557 public final String path; 558 public final String apk; 559 560 SharedLibraryEntry(String _path, String _apk) { 561 path = _path; 562 apk = _apk; 563 } 564 } 565 566 // Currently known shared libraries. 567 final ArrayMap<String, SharedLibraryEntry> mSharedLibraries = 568 new ArrayMap<String, SharedLibraryEntry>(); 569 570 // All available activities, for your resolving pleasure. 571 final ActivityIntentResolver mActivities = 572 new ActivityIntentResolver(); 573 574 // All available receivers, for your resolving pleasure. 575 final ActivityIntentResolver mReceivers = 576 new ActivityIntentResolver(); 577 578 // All available services, for your resolving pleasure. 579 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 580 581 // All available providers, for your resolving pleasure. 582 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 583 584 // Mapping from provider base names (first directory in content URI codePath) 585 // to the provider information. 586 final ArrayMap<String, PackageParser.Provider> mProvidersByAuthority = 587 new ArrayMap<String, PackageParser.Provider>(); 588 589 // Mapping from instrumentation class names to info about them. 590 final ArrayMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 591 new ArrayMap<ComponentName, PackageParser.Instrumentation>(); 592 593 // Mapping from permission names to info about them. 594 final ArrayMap<String, PackageParser.PermissionGroup> mPermissionGroups = 595 new ArrayMap<String, PackageParser.PermissionGroup>(); 596 597 // Packages whose data we have transfered into another package, thus 598 // should no longer exist. 599 final ArraySet<String> mTransferedPackages = new ArraySet<String>(); 600 601 // Broadcast actions that are only available to the system. 602 final ArraySet<String> mProtectedBroadcasts = new ArraySet<String>(); 603 604 /** List of packages waiting for verification. */ 605 final SparseArray<PackageVerificationState> mPendingVerification 606 = new SparseArray<PackageVerificationState>(); 607 608 /** Set of packages associated with each app op permission. */ 609 final ArrayMap<String, ArraySet<String>> mAppOpPermissionPackages = new ArrayMap<>(); 610 611 final PackageInstallerService mInstallerService; 612 613 private final PackageDexOptimizer mPackageDexOptimizer; 614 615 private AtomicInteger mNextMoveId = new AtomicInteger(); 616 private final MoveCallbacks mMoveCallbacks; 617 618 private final OnPermissionChangeListeners mOnPermissionChangeListeners; 619 620 // Cache of users who need badging. 621 SparseBooleanArray mUserNeedsBadging = new SparseBooleanArray(); 622 623 /** Token for keys in mPendingVerification. */ 624 private int mPendingVerificationToken = 0; 625 626 volatile boolean mSystemReady; 627 volatile boolean mSafeMode; 628 volatile boolean mHasSystemUidErrors; 629 630 ApplicationInfo mAndroidApplication; 631 final ActivityInfo mResolveActivity = new ActivityInfo(); 632 final ResolveInfo mResolveInfo = new ResolveInfo(); 633 ComponentName mResolveComponentName; 634 PackageParser.Package mPlatformPackage; 635 ComponentName mCustomResolverComponentName; 636 637 boolean mResolverReplaced = false; 638 639 private final @Nullable ComponentName mIntentFilterVerifierComponent; 640 private final @Nullable IntentFilterVerifier<ActivityIntentInfo> mIntentFilterVerifier; 641 642 private int mIntentFilterVerificationToken = 0; 643 644 /** Component that knows whether or not an ephemeral application exists */ 645 final ComponentName mEphemeralResolverComponent; 646 /** The service connection to the ephemeral resolver */ 647 final EphemeralResolverConnection mEphemeralResolverConnection; 648 649 /** Component used to install ephemeral applications */ 650 final ComponentName mEphemeralInstallerComponent; 651 final ActivityInfo mEphemeralInstallerActivity = new ActivityInfo(); 652 final ResolveInfo mEphemeralInstallerInfo = new ResolveInfo(); 653 654 final SparseArray<IntentFilterVerificationState> mIntentFilterVerificationStates 655 = new SparseArray<IntentFilterVerificationState>(); 656 657 final DefaultPermissionGrantPolicy mDefaultPermissionPolicy = 658 new DefaultPermissionGrantPolicy(this); 659 660 // List of packages names to keep cached, even if they are uninstalled for all users 661 private List<String> mKeepUninstalledPackages; 662 663 private static class IFVerificationParams { 664 PackageParser.Package pkg; 665 boolean replacing; 666 int userId; 667 int verifierUid; 668 669 public IFVerificationParams(PackageParser.Package _pkg, boolean _replacing, 670 int _userId, int _verifierUid) { 671 pkg = _pkg; 672 replacing = _replacing; 673 userId = _userId; 674 replacing = _replacing; 675 verifierUid = _verifierUid; 676 } 677 } 678 679 private interface IntentFilterVerifier<T extends IntentFilter> { 680 boolean addOneIntentFilterVerification(int verifierId, int userId, int verificationId, 681 T filter, String packageName); 682 void startVerifications(int userId); 683 void receiveVerificationResponse(int verificationId); 684 } 685 686 private class IntentVerifierProxy implements IntentFilterVerifier<ActivityIntentInfo> { 687 private Context mContext; 688 private ComponentName mIntentFilterVerifierComponent; 689 private ArrayList<Integer> mCurrentIntentFilterVerifications = new ArrayList<Integer>(); 690 691 public IntentVerifierProxy(Context context, ComponentName verifierComponent) { 692 mContext = context; 693 mIntentFilterVerifierComponent = verifierComponent; 694 } 695 696 private String getDefaultScheme() { 697 return IntentFilter.SCHEME_HTTPS; 698 } 699 700 @Override 701 public void startVerifications(int userId) { 702 // Launch verifications requests 703 int count = mCurrentIntentFilterVerifications.size(); 704 for (int n=0; n<count; n++) { 705 int verificationId = mCurrentIntentFilterVerifications.get(n); 706 final IntentFilterVerificationState ivs = 707 mIntentFilterVerificationStates.get(verificationId); 708 709 String packageName = ivs.getPackageName(); 710 711 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 712 final int filterCount = filters.size(); 713 ArraySet<String> domainsSet = new ArraySet<>(); 714 for (int m=0; m<filterCount; m++) { 715 PackageParser.ActivityIntentInfo filter = filters.get(m); 716 domainsSet.addAll(filter.getHostsList()); 717 } 718 ArrayList<String> domainsList = new ArrayList<>(domainsSet); 719 synchronized (mPackages) { 720 if (mSettings.createIntentFilterVerificationIfNeededLPw( 721 packageName, domainsList) != null) { 722 scheduleWriteSettingsLocked(); 723 } 724 } 725 sendVerificationRequest(userId, verificationId, ivs); 726 } 727 mCurrentIntentFilterVerifications.clear(); 728 } 729 730 private void sendVerificationRequest(int userId, int verificationId, 731 IntentFilterVerificationState ivs) { 732 733 Intent verificationIntent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 734 verificationIntent.putExtra( 735 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_ID, 736 verificationId); 737 verificationIntent.putExtra( 738 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_URI_SCHEME, 739 getDefaultScheme()); 740 verificationIntent.putExtra( 741 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_HOSTS, 742 ivs.getHostsString()); 743 verificationIntent.putExtra( 744 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_PACKAGE_NAME, 745 ivs.getPackageName()); 746 verificationIntent.setComponent(mIntentFilterVerifierComponent); 747 verificationIntent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 748 749 UserHandle user = new UserHandle(userId); 750 mContext.sendBroadcastAsUser(verificationIntent, user); 751 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 752 "Sending IntentFilter verification broadcast"); 753 } 754 755 public void receiveVerificationResponse(int verificationId) { 756 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 757 758 final boolean verified = ivs.isVerified(); 759 760 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 761 final int count = filters.size(); 762 if (DEBUG_DOMAIN_VERIFICATION) { 763 Slog.i(TAG, "Received verification response " + verificationId 764 + " for " + count + " filters, verified=" + verified); 765 } 766 for (int n=0; n<count; n++) { 767 PackageParser.ActivityIntentInfo filter = filters.get(n); 768 filter.setVerified(verified); 769 770 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "IntentFilter " + filter.toString() 771 + " verified with result:" + verified + " and hosts:" 772 + ivs.getHostsString()); 773 } 774 775 mIntentFilterVerificationStates.remove(verificationId); 776 777 final String packageName = ivs.getPackageName(); 778 IntentFilterVerificationInfo ivi = null; 779 780 synchronized (mPackages) { 781 ivi = mSettings.getIntentFilterVerificationLPr(packageName); 782 } 783 if (ivi == null) { 784 Slog.w(TAG, "IntentFilterVerificationInfo not found for verificationId:" 785 + verificationId + " packageName:" + packageName); 786 return; 787 } 788 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 789 "Updating IntentFilterVerificationInfo for package " + packageName 790 +" verificationId:" + verificationId); 791 792 synchronized (mPackages) { 793 if (verified) { 794 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS); 795 } else { 796 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK); 797 } 798 scheduleWriteSettingsLocked(); 799 800 final int userId = ivs.getUserId(); 801 if (userId != UserHandle.USER_ALL) { 802 final int userStatus = 803 mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 804 805 int updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 806 boolean needUpdate = false; 807 808 // We cannot override the STATUS_ALWAYS / STATUS_NEVER states if they have 809 // already been set by the User thru the Disambiguation dialog 810 switch (userStatus) { 811 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 812 if (verified) { 813 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 814 } else { 815 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 816 } 817 needUpdate = true; 818 break; 819 820 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 821 if (verified) { 822 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 823 needUpdate = true; 824 } 825 break; 826 827 default: 828 // Nothing to do 829 } 830 831 if (needUpdate) { 832 mSettings.updateIntentFilterVerificationStatusLPw( 833 packageName, updatedStatus, userId); 834 scheduleWritePackageRestrictionsLocked(userId); 835 } 836 } 837 } 838 } 839 840 @Override 841 public boolean addOneIntentFilterVerification(int verifierUid, int userId, int verificationId, 842 ActivityIntentInfo filter, String packageName) { 843 if (!hasValidDomains(filter)) { 844 return false; 845 } 846 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 847 if (ivs == null) { 848 ivs = createDomainVerificationState(verifierUid, userId, verificationId, 849 packageName); 850 } 851 if (DEBUG_DOMAIN_VERIFICATION) { 852 Slog.d(TAG, "Adding verification filter for " + packageName + ": " + filter); 853 } 854 ivs.addFilter(filter); 855 return true; 856 } 857 858 private IntentFilterVerificationState createDomainVerificationState(int verifierUid, 859 int userId, int verificationId, String packageName) { 860 IntentFilterVerificationState ivs = new IntentFilterVerificationState( 861 verifierUid, userId, packageName); 862 ivs.setPendingState(); 863 synchronized (mPackages) { 864 mIntentFilterVerificationStates.append(verificationId, ivs); 865 mCurrentIntentFilterVerifications.add(verificationId); 866 } 867 return ivs; 868 } 869 } 870 871 private static boolean hasValidDomains(ActivityIntentInfo filter) { 872 return filter.hasCategory(Intent.CATEGORY_BROWSABLE) 873 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 874 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS)); 875 } 876 877 // Set of pending broadcasts for aggregating enable/disable of components. 878 static class PendingPackageBroadcasts { 879 // for each user id, a map of <package name -> components within that package> 880 final SparseArray<ArrayMap<String, ArrayList<String>>> mUidMap; 881 882 public PendingPackageBroadcasts() { 883 mUidMap = new SparseArray<ArrayMap<String, ArrayList<String>>>(2); 884 } 885 886 public ArrayList<String> get(int userId, String packageName) { 887 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 888 return packages.get(packageName); 889 } 890 891 public void put(int userId, String packageName, ArrayList<String> components) { 892 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 893 packages.put(packageName, components); 894 } 895 896 public void remove(int userId, String packageName) { 897 ArrayMap<String, ArrayList<String>> packages = mUidMap.get(userId); 898 if (packages != null) { 899 packages.remove(packageName); 900 } 901 } 902 903 public void remove(int userId) { 904 mUidMap.remove(userId); 905 } 906 907 public int userIdCount() { 908 return mUidMap.size(); 909 } 910 911 public int userIdAt(int n) { 912 return mUidMap.keyAt(n); 913 } 914 915 public ArrayMap<String, ArrayList<String>> packagesForUserId(int userId) { 916 return mUidMap.get(userId); 917 } 918 919 public int size() { 920 // total number of pending broadcast entries across all userIds 921 int num = 0; 922 for (int i = 0; i< mUidMap.size(); i++) { 923 num += mUidMap.valueAt(i).size(); 924 } 925 return num; 926 } 927 928 public void clear() { 929 mUidMap.clear(); 930 } 931 932 private ArrayMap<String, ArrayList<String>> getOrAllocate(int userId) { 933 ArrayMap<String, ArrayList<String>> map = mUidMap.get(userId); 934 if (map == null) { 935 map = new ArrayMap<String, ArrayList<String>>(); 936 mUidMap.put(userId, map); 937 } 938 return map; 939 } 940 } 941 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 942 943 // Service Connection to remote media container service to copy 944 // package uri's from external media onto secure containers 945 // or internal storage. 946 private IMediaContainerService mContainerService = null; 947 948 static final int SEND_PENDING_BROADCAST = 1; 949 static final int MCS_BOUND = 3; 950 static final int END_COPY = 4; 951 static final int INIT_COPY = 5; 952 static final int MCS_UNBIND = 6; 953 static final int START_CLEANING_PACKAGE = 7; 954 static final int FIND_INSTALL_LOC = 8; 955 static final int POST_INSTALL = 9; 956 static final int MCS_RECONNECT = 10; 957 static final int MCS_GIVE_UP = 11; 958 static final int UPDATED_MEDIA_STATUS = 12; 959 static final int WRITE_SETTINGS = 13; 960 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 961 static final int PACKAGE_VERIFIED = 15; 962 static final int CHECK_PENDING_VERIFICATION = 16; 963 static final int START_INTENT_FILTER_VERIFICATIONS = 17; 964 static final int INTENT_FILTER_VERIFIED = 18; 965 966 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 967 968 // Delay time in millisecs 969 static final int BROADCAST_DELAY = 10 * 1000; 970 971 static UserManagerService sUserManager; 972 973 // Stores a list of users whose package restrictions file needs to be updated 974 private ArraySet<Integer> mDirtyUsers = new ArraySet<Integer>(); 975 976 final private DefaultContainerConnection mDefContainerConn = 977 new DefaultContainerConnection(); 978 class DefaultContainerConnection implements ServiceConnection { 979 public void onServiceConnected(ComponentName name, IBinder service) { 980 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 981 IMediaContainerService imcs = 982 IMediaContainerService.Stub.asInterface(service); 983 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 984 } 985 986 public void onServiceDisconnected(ComponentName name) { 987 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 988 } 989 } 990 991 // Recordkeeping of restore-after-install operations that are currently in flight 992 // between the Package Manager and the Backup Manager 993 static class PostInstallData { 994 public InstallArgs args; 995 public PackageInstalledInfo res; 996 997 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 998 args = _a; 999 res = _r; 1000 } 1001 } 1002 1003 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 1004 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 1005 1006 // XML tags for backup/restore of various bits of state 1007 private static final String TAG_PREFERRED_BACKUP = "pa"; 1008 private static final String TAG_DEFAULT_APPS = "da"; 1009 private static final String TAG_INTENT_FILTER_VERIFICATION = "iv"; 1010 1011 private static final String TAG_PERMISSION_BACKUP = "perm-grant-backup"; 1012 private static final String TAG_ALL_GRANTS = "rt-grants"; 1013 private static final String TAG_GRANT = "grant"; 1014 private static final String ATTR_PACKAGE_NAME = "pkg"; 1015 1016 private static final String TAG_PERMISSION = "perm"; 1017 private static final String ATTR_PERMISSION_NAME = "name"; 1018 private static final String ATTR_IS_GRANTED = "g"; 1019 private static final String ATTR_USER_SET = "set"; 1020 private static final String ATTR_USER_FIXED = "fixed"; 1021 private static final String ATTR_REVOKE_ON_UPGRADE = "rou"; 1022 1023 // System/policy permission grants are not backed up 1024 private static final int SYSTEM_RUNTIME_GRANT_MASK = 1025 FLAG_PERMISSION_POLICY_FIXED 1026 | FLAG_PERMISSION_SYSTEM_FIXED 1027 | FLAG_PERMISSION_GRANTED_BY_DEFAULT; 1028 1029 // And we back up these user-adjusted states 1030 private static final int USER_RUNTIME_GRANT_MASK = 1031 FLAG_PERMISSION_USER_SET 1032 | FLAG_PERMISSION_USER_FIXED 1033 | FLAG_PERMISSION_REVOKE_ON_UPGRADE; 1034 1035 final @Nullable String mRequiredVerifierPackage; 1036 final @Nullable String mRequiredInstallerPackage; 1037 1038 private final PackageUsage mPackageUsage = new PackageUsage(); 1039 1040 private class PackageUsage { 1041 private static final int WRITE_INTERVAL 1042 = (DEBUG_DEXOPT) ? 0 : 30*60*1000; // 30m in ms 1043 1044 private final Object mFileLock = new Object(); 1045 private final AtomicLong mLastWritten = new AtomicLong(0); 1046 private final AtomicBoolean mBackgroundWriteRunning = new AtomicBoolean(false); 1047 1048 private boolean mIsHistoricalPackageUsageAvailable = true; 1049 1050 boolean isHistoricalPackageUsageAvailable() { 1051 return mIsHistoricalPackageUsageAvailable; 1052 } 1053 1054 void write(boolean force) { 1055 if (force) { 1056 writeInternal(); 1057 return; 1058 } 1059 if (SystemClock.elapsedRealtime() - mLastWritten.get() < WRITE_INTERVAL 1060 && !DEBUG_DEXOPT) { 1061 return; 1062 } 1063 if (mBackgroundWriteRunning.compareAndSet(false, true)) { 1064 new Thread("PackageUsage_DiskWriter") { 1065 @Override 1066 public void run() { 1067 try { 1068 writeInternal(); 1069 } finally { 1070 mBackgroundWriteRunning.set(false); 1071 } 1072 } 1073 }.start(); 1074 } 1075 } 1076 1077 private void writeInternal() { 1078 synchronized (mPackages) { 1079 synchronized (mFileLock) { 1080 AtomicFile file = getFile(); 1081 FileOutputStream f = null; 1082 try { 1083 f = file.startWrite(); 1084 BufferedOutputStream out = new BufferedOutputStream(f); 1085 FileUtils.setPermissions(file.getBaseFile().getPath(), 0640, SYSTEM_UID, PACKAGE_INFO_GID); 1086 StringBuilder sb = new StringBuilder(); 1087 for (PackageParser.Package pkg : mPackages.values()) { 1088 if (pkg.mLastPackageUsageTimeInMills == 0) { 1089 continue; 1090 } 1091 sb.setLength(0); 1092 sb.append(pkg.packageName); 1093 sb.append(' '); 1094 sb.append((long)pkg.mLastPackageUsageTimeInMills); 1095 sb.append('\n'); 1096 out.write(sb.toString().getBytes(StandardCharsets.US_ASCII)); 1097 } 1098 out.flush(); 1099 file.finishWrite(f); 1100 } catch (IOException e) { 1101 if (f != null) { 1102 file.failWrite(f); 1103 } 1104 Log.e(TAG, "Failed to write package usage times", e); 1105 } 1106 } 1107 } 1108 mLastWritten.set(SystemClock.elapsedRealtime()); 1109 } 1110 1111 void readLP() { 1112 synchronized (mFileLock) { 1113 AtomicFile file = getFile(); 1114 BufferedInputStream in = null; 1115 try { 1116 in = new BufferedInputStream(file.openRead()); 1117 StringBuffer sb = new StringBuffer(); 1118 while (true) { 1119 String packageName = readToken(in, sb, ' '); 1120 if (packageName == null) { 1121 break; 1122 } 1123 String timeInMillisString = readToken(in, sb, '\n'); 1124 if (timeInMillisString == null) { 1125 throw new IOException("Failed to find last usage time for package " 1126 + packageName); 1127 } 1128 PackageParser.Package pkg = mPackages.get(packageName); 1129 if (pkg == null) { 1130 continue; 1131 } 1132 long timeInMillis; 1133 try { 1134 timeInMillis = Long.parseLong(timeInMillisString); 1135 } catch (NumberFormatException e) { 1136 throw new IOException("Failed to parse " + timeInMillisString 1137 + " as a long.", e); 1138 } 1139 pkg.mLastPackageUsageTimeInMills = timeInMillis; 1140 } 1141 } catch (FileNotFoundException expected) { 1142 mIsHistoricalPackageUsageAvailable = false; 1143 } catch (IOException e) { 1144 Log.w(TAG, "Failed to read package usage times", e); 1145 } finally { 1146 IoUtils.closeQuietly(in); 1147 } 1148 } 1149 mLastWritten.set(SystemClock.elapsedRealtime()); 1150 } 1151 1152 private String readToken(InputStream in, StringBuffer sb, char endOfToken) 1153 throws IOException { 1154 sb.setLength(0); 1155 while (true) { 1156 int ch = in.read(); 1157 if (ch == -1) { 1158 if (sb.length() == 0) { 1159 return null; 1160 } 1161 throw new IOException("Unexpected EOF"); 1162 } 1163 if (ch == endOfToken) { 1164 return sb.toString(); 1165 } 1166 sb.append((char)ch); 1167 } 1168 } 1169 1170 private AtomicFile getFile() { 1171 File dataDir = Environment.getDataDirectory(); 1172 File systemDir = new File(dataDir, "system"); 1173 File fname = new File(systemDir, "package-usage.list"); 1174 return new AtomicFile(fname); 1175 } 1176 } 1177 1178 class PackageHandler extends Handler { 1179 private boolean mBound = false; 1180 final ArrayList<HandlerParams> mPendingInstalls = 1181 new ArrayList<HandlerParams>(); 1182 1183 private boolean connectToService() { 1184 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 1185 " DefaultContainerService"); 1186 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 1187 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1188 if (mContext.bindServiceAsUser(service, mDefContainerConn, 1189 Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 1190 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1191 mBound = true; 1192 return true; 1193 } 1194 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1195 return false; 1196 } 1197 1198 private void disconnectService() { 1199 mContainerService = null; 1200 mBound = false; 1201 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1202 mContext.unbindService(mDefContainerConn); 1203 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1204 } 1205 1206 PackageHandler(Looper looper) { 1207 super(looper); 1208 } 1209 1210 public void handleMessage(Message msg) { 1211 try { 1212 doHandleMessage(msg); 1213 } finally { 1214 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1215 } 1216 } 1217 1218 void doHandleMessage(Message msg) { 1219 switch (msg.what) { 1220 case INIT_COPY: { 1221 HandlerParams params = (HandlerParams) msg.obj; 1222 int idx = mPendingInstalls.size(); 1223 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 1224 // If a bind was already initiated we dont really 1225 // need to do anything. The pending install 1226 // will be processed later on. 1227 if (!mBound) { 1228 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1229 System.identityHashCode(mHandler)); 1230 // If this is the only one pending we might 1231 // have to bind to the service again. 1232 if (!connectToService()) { 1233 Slog.e(TAG, "Failed to bind to media container service"); 1234 params.serviceError(); 1235 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1236 System.identityHashCode(mHandler)); 1237 if (params.traceMethod != null) { 1238 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, params.traceMethod, 1239 params.traceCookie); 1240 } 1241 return; 1242 } else { 1243 // Once we bind to the service, the first 1244 // pending request will be processed. 1245 mPendingInstalls.add(idx, params); 1246 } 1247 } else { 1248 mPendingInstalls.add(idx, params); 1249 // Already bound to the service. Just make 1250 // sure we trigger off processing the first request. 1251 if (idx == 0) { 1252 mHandler.sendEmptyMessage(MCS_BOUND); 1253 } 1254 } 1255 break; 1256 } 1257 case MCS_BOUND: { 1258 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 1259 if (msg.obj != null) { 1260 mContainerService = (IMediaContainerService) msg.obj; 1261 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1262 System.identityHashCode(mHandler)); 1263 } 1264 if (mContainerService == null) { 1265 if (!mBound) { 1266 // Something seriously wrong since we are not bound and we are not 1267 // waiting for connection. Bail out. 1268 Slog.e(TAG, "Cannot bind to media container service"); 1269 for (HandlerParams params : mPendingInstalls) { 1270 // Indicate service bind error 1271 params.serviceError(); 1272 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1273 System.identityHashCode(params)); 1274 if (params.traceMethod != null) { 1275 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, 1276 params.traceMethod, params.traceCookie); 1277 } 1278 return; 1279 } 1280 mPendingInstalls.clear(); 1281 } else { 1282 Slog.w(TAG, "Waiting to connect to media container service"); 1283 } 1284 } else if (mPendingInstalls.size() > 0) { 1285 HandlerParams params = mPendingInstalls.get(0); 1286 if (params != null) { 1287 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1288 System.identityHashCode(params)); 1289 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "startCopy"); 1290 if (params.startCopy()) { 1291 // We are done... look for more work or to 1292 // go idle. 1293 if (DEBUG_SD_INSTALL) Log.i(TAG, 1294 "Checking for more work or unbind..."); 1295 // Delete pending install 1296 if (mPendingInstalls.size() > 0) { 1297 mPendingInstalls.remove(0); 1298 } 1299 if (mPendingInstalls.size() == 0) { 1300 if (mBound) { 1301 if (DEBUG_SD_INSTALL) Log.i(TAG, 1302 "Posting delayed MCS_UNBIND"); 1303 removeMessages(MCS_UNBIND); 1304 Message ubmsg = obtainMessage(MCS_UNBIND); 1305 // Unbind after a little delay, to avoid 1306 // continual thrashing. 1307 sendMessageDelayed(ubmsg, 10000); 1308 } 1309 } else { 1310 // There are more pending requests in queue. 1311 // Just post MCS_BOUND message to trigger processing 1312 // of next pending install. 1313 if (DEBUG_SD_INSTALL) Log.i(TAG, 1314 "Posting MCS_BOUND for next work"); 1315 mHandler.sendEmptyMessage(MCS_BOUND); 1316 } 1317 } 1318 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 1319 } 1320 } else { 1321 // Should never happen ideally. 1322 Slog.w(TAG, "Empty queue"); 1323 } 1324 break; 1325 } 1326 case MCS_RECONNECT: { 1327 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 1328 if (mPendingInstalls.size() > 0) { 1329 if (mBound) { 1330 disconnectService(); 1331 } 1332 if (!connectToService()) { 1333 Slog.e(TAG, "Failed to bind to media container service"); 1334 for (HandlerParams params : mPendingInstalls) { 1335 // Indicate service bind error 1336 params.serviceError(); 1337 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1338 System.identityHashCode(params)); 1339 } 1340 mPendingInstalls.clear(); 1341 } 1342 } 1343 break; 1344 } 1345 case MCS_UNBIND: { 1346 // If there is no actual work left, then time to unbind. 1347 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 1348 1349 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 1350 if (mBound) { 1351 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 1352 1353 disconnectService(); 1354 } 1355 } else if (mPendingInstalls.size() > 0) { 1356 // There are more pending requests in queue. 1357 // Just post MCS_BOUND message to trigger processing 1358 // of next pending install. 1359 mHandler.sendEmptyMessage(MCS_BOUND); 1360 } 1361 1362 break; 1363 } 1364 case MCS_GIVE_UP: { 1365 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 1366 HandlerParams params = mPendingInstalls.remove(0); 1367 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1368 System.identityHashCode(params)); 1369 break; 1370 } 1371 case SEND_PENDING_BROADCAST: { 1372 String packages[]; 1373 ArrayList<String> components[]; 1374 int size = 0; 1375 int uids[]; 1376 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1377 synchronized (mPackages) { 1378 if (mPendingBroadcasts == null) { 1379 return; 1380 } 1381 size = mPendingBroadcasts.size(); 1382 if (size <= 0) { 1383 // Nothing to be done. Just return 1384 return; 1385 } 1386 packages = new String[size]; 1387 components = new ArrayList[size]; 1388 uids = new int[size]; 1389 int i = 0; // filling out the above arrays 1390 1391 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 1392 int packageUserId = mPendingBroadcasts.userIdAt(n); 1393 Iterator<Map.Entry<String, ArrayList<String>>> it 1394 = mPendingBroadcasts.packagesForUserId(packageUserId) 1395 .entrySet().iterator(); 1396 while (it.hasNext() && i < size) { 1397 Map.Entry<String, ArrayList<String>> ent = it.next(); 1398 packages[i] = ent.getKey(); 1399 components[i] = ent.getValue(); 1400 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 1401 uids[i] = (ps != null) 1402 ? UserHandle.getUid(packageUserId, ps.appId) 1403 : -1; 1404 i++; 1405 } 1406 } 1407 size = i; 1408 mPendingBroadcasts.clear(); 1409 } 1410 // Send broadcasts 1411 for (int i = 0; i < size; i++) { 1412 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 1413 } 1414 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1415 break; 1416 } 1417 case START_CLEANING_PACKAGE: { 1418 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1419 final String packageName = (String)msg.obj; 1420 final int userId = msg.arg1; 1421 final boolean andCode = msg.arg2 != 0; 1422 synchronized (mPackages) { 1423 if (userId == UserHandle.USER_ALL) { 1424 int[] users = sUserManager.getUserIds(); 1425 for (int user : users) { 1426 mSettings.addPackageToCleanLPw( 1427 new PackageCleanItem(user, packageName, andCode)); 1428 } 1429 } else { 1430 mSettings.addPackageToCleanLPw( 1431 new PackageCleanItem(userId, packageName, andCode)); 1432 } 1433 } 1434 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1435 startCleaningPackages(); 1436 } break; 1437 case POST_INSTALL: { 1438 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 1439 1440 PostInstallData data = mRunningInstalls.get(msg.arg1); 1441 mRunningInstalls.delete(msg.arg1); 1442 1443 if (data != null) { 1444 InstallArgs args = data.args; 1445 PackageInstalledInfo parentRes = data.res; 1446 1447 final boolean grantPermissions = (args.installFlags 1448 & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0; 1449 final boolean killApp = (args.installFlags 1450 & PackageManager.INSTALL_DONT_KILL_APP) == 0; 1451 final String[] grantedPermissions = args.installGrantPermissions; 1452 1453 // Handle the parent package 1454 handlePackagePostInstall(parentRes, grantPermissions, killApp, 1455 grantedPermissions, args.observer); 1456 1457 // Handle the child packages 1458 final int childCount = (parentRes.addedChildPackages != null) 1459 ? parentRes.addedChildPackages.size() : 0; 1460 for (int i = 0; i < childCount; i++) { 1461 PackageInstalledInfo childRes = parentRes.addedChildPackages.valueAt(i); 1462 handlePackagePostInstall(childRes, grantPermissions, killApp, 1463 grantedPermissions, args.observer); 1464 } 1465 1466 // Log tracing if needed 1467 if (args.traceMethod != null) { 1468 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, args.traceMethod, 1469 args.traceCookie); 1470 } 1471 } else { 1472 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1473 } 1474 1475 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "postInstall", msg.arg1); 1476 } break; 1477 case UPDATED_MEDIA_STATUS: { 1478 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1479 boolean reportStatus = msg.arg1 == 1; 1480 boolean doGc = msg.arg2 == 1; 1481 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1482 if (doGc) { 1483 // Force a gc to clear up stale containers. 1484 Runtime.getRuntime().gc(); 1485 } 1486 if (msg.obj != null) { 1487 @SuppressWarnings("unchecked") 1488 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1489 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1490 // Unload containers 1491 unloadAllContainers(args); 1492 } 1493 if (reportStatus) { 1494 try { 1495 if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); 1496 PackageHelper.getMountService().finishMediaUpdate(); 1497 } catch (RemoteException e) { 1498 Log.e(TAG, "MountService not running?"); 1499 } 1500 } 1501 } break; 1502 case WRITE_SETTINGS: { 1503 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1504 synchronized (mPackages) { 1505 removeMessages(WRITE_SETTINGS); 1506 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1507 mSettings.writeLPr(); 1508 mDirtyUsers.clear(); 1509 } 1510 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1511 } break; 1512 case WRITE_PACKAGE_RESTRICTIONS: { 1513 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1514 synchronized (mPackages) { 1515 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1516 for (int userId : mDirtyUsers) { 1517 mSettings.writePackageRestrictionsLPr(userId); 1518 } 1519 mDirtyUsers.clear(); 1520 } 1521 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1522 } break; 1523 case CHECK_PENDING_VERIFICATION: { 1524 final int verificationId = msg.arg1; 1525 final PackageVerificationState state = mPendingVerification.get(verificationId); 1526 1527 if ((state != null) && !state.timeoutExtended()) { 1528 final InstallArgs args = state.getInstallArgs(); 1529 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1530 1531 Slog.i(TAG, "Verification timed out for " + originUri); 1532 mPendingVerification.remove(verificationId); 1533 1534 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1535 1536 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1537 Slog.i(TAG, "Continuing with installation of " + originUri); 1538 state.setVerifierResponse(Binder.getCallingUid(), 1539 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1540 broadcastPackageVerified(verificationId, originUri, 1541 PackageManager.VERIFICATION_ALLOW, 1542 state.getInstallArgs().getUser()); 1543 try { 1544 ret = args.copyApk(mContainerService, true); 1545 } catch (RemoteException e) { 1546 Slog.e(TAG, "Could not contact the ContainerService"); 1547 } 1548 } else { 1549 broadcastPackageVerified(verificationId, originUri, 1550 PackageManager.VERIFICATION_REJECT, 1551 state.getInstallArgs().getUser()); 1552 } 1553 1554 Trace.asyncTraceEnd( 1555 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1556 1557 processPendingInstall(args, ret); 1558 mHandler.sendEmptyMessage(MCS_UNBIND); 1559 } 1560 break; 1561 } 1562 case PACKAGE_VERIFIED: { 1563 final int verificationId = msg.arg1; 1564 1565 final PackageVerificationState state = mPendingVerification.get(verificationId); 1566 if (state == null) { 1567 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1568 break; 1569 } 1570 1571 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1572 1573 state.setVerifierResponse(response.callerUid, response.code); 1574 1575 if (state.isVerificationComplete()) { 1576 mPendingVerification.remove(verificationId); 1577 1578 final InstallArgs args = state.getInstallArgs(); 1579 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1580 1581 int ret; 1582 if (state.isInstallAllowed()) { 1583 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1584 broadcastPackageVerified(verificationId, originUri, 1585 response.code, state.getInstallArgs().getUser()); 1586 try { 1587 ret = args.copyApk(mContainerService, true); 1588 } catch (RemoteException e) { 1589 Slog.e(TAG, "Could not contact the ContainerService"); 1590 } 1591 } else { 1592 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1593 } 1594 1595 Trace.asyncTraceEnd( 1596 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1597 1598 processPendingInstall(args, ret); 1599 mHandler.sendEmptyMessage(MCS_UNBIND); 1600 } 1601 1602 break; 1603 } 1604 case START_INTENT_FILTER_VERIFICATIONS: { 1605 IFVerificationParams params = (IFVerificationParams) msg.obj; 1606 verifyIntentFiltersIfNeeded(params.userId, params.verifierUid, 1607 params.replacing, params.pkg); 1608 break; 1609 } 1610 case INTENT_FILTER_VERIFIED: { 1611 final int verificationId = msg.arg1; 1612 1613 final IntentFilterVerificationState state = mIntentFilterVerificationStates.get( 1614 verificationId); 1615 if (state == null) { 1616 Slog.w(TAG, "Invalid IntentFilter verification token " 1617 + verificationId + " received"); 1618 break; 1619 } 1620 1621 final int userId = state.getUserId(); 1622 1623 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1624 "Processing IntentFilter verification with token:" 1625 + verificationId + " and userId:" + userId); 1626 1627 final IntentFilterVerificationResponse response = 1628 (IntentFilterVerificationResponse) msg.obj; 1629 1630 state.setVerifierResponse(response.callerUid, response.code); 1631 1632 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1633 "IntentFilter verification with token:" + verificationId 1634 + " and userId:" + userId 1635 + " is settings verifier response with response code:" 1636 + response.code); 1637 1638 if (response.code == PackageManager.INTENT_FILTER_VERIFICATION_FAILURE) { 1639 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Domains failing verification: " 1640 + response.getFailedDomainsString()); 1641 } 1642 1643 if (state.isVerificationComplete()) { 1644 mIntentFilterVerifier.receiveVerificationResponse(verificationId); 1645 } else { 1646 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1647 "IntentFilter verification with token:" + verificationId 1648 + " was not said to be complete"); 1649 } 1650 1651 break; 1652 } 1653 } 1654 } 1655 } 1656 1657 private void handlePackagePostInstall(PackageInstalledInfo res, boolean grantPermissions, 1658 boolean killApp, String[] grantedPermissions, 1659 IPackageInstallObserver2 installObserver) { 1660 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 1661 // Send the removed broadcasts 1662 if (res.removedInfo != null) { 1663 res.removedInfo.sendPackageRemovedBroadcasts(killApp); 1664 } 1665 1666 // Now that we successfully installed the package, grant runtime 1667 // permissions if requested before broadcasting the install. 1668 if (grantPermissions && res.pkg.applicationInfo.targetSdkVersion 1669 >= Build.VERSION_CODES.M) { 1670 grantRequestedRuntimePermissions(res.pkg, res.newUsers, grantedPermissions); 1671 } 1672 1673 final boolean update = res.removedInfo != null 1674 && res.removedInfo.removedPackage != null; 1675 1676 // If this is the first time we have child packages for a disabled privileged 1677 // app that had no children, we grant requested runtime permissions to the new 1678 // children if the parent on the system image had them already granted. 1679 if (res.pkg.parentPackage != null) { 1680 synchronized (mPackages) { 1681 grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw(res.pkg); 1682 } 1683 } 1684 1685 synchronized (mPackages) { 1686 mEphemeralApplicationRegistry.onPackageInstalledLPw(res.pkg); 1687 } 1688 1689 final String packageName = res.pkg.applicationInfo.packageName; 1690 Bundle extras = new Bundle(1); 1691 extras.putInt(Intent.EXTRA_UID, res.uid); 1692 1693 // Determine the set of users who are adding this package for 1694 // the first time vs. those who are seeing an update. 1695 int[] firstUsers = EMPTY_INT_ARRAY; 1696 int[] updateUsers = EMPTY_INT_ARRAY; 1697 if (res.origUsers == null || res.origUsers.length == 0) { 1698 firstUsers = res.newUsers; 1699 } else { 1700 for (int newUser : res.newUsers) { 1701 boolean isNew = true; 1702 for (int origUser : res.origUsers) { 1703 if (origUser == newUser) { 1704 isNew = false; 1705 break; 1706 } 1707 } 1708 if (isNew) { 1709 firstUsers = ArrayUtils.appendInt(firstUsers, newUser); 1710 } else { 1711 updateUsers = ArrayUtils.appendInt(updateUsers, newUser); 1712 } 1713 } 1714 } 1715 1716 // Send installed broadcasts if the install/update is not ephemeral 1717 if (!isEphemeral(res.pkg)) { 1718 mProcessLoggingHandler.invalidateProcessLoggingBaseApkHash(res.pkg.baseCodePath); 1719 1720 // Send added for users that see the package for the first time 1721 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1722 extras, 0 /*flags*/, null /*targetPackage*/, 1723 null /*finishedReceiver*/, firstUsers); 1724 1725 // Send added for users that don't see the package for the first time 1726 if (update) { 1727 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1728 } 1729 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1730 extras, 0 /*flags*/, null /*targetPackage*/, 1731 null /*finishedReceiver*/, updateUsers); 1732 1733 // Send replaced for users that don't see the package for the first time 1734 if (update) { 1735 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1736 packageName, extras, 0 /*flags*/, 1737 null /*targetPackage*/, null /*finishedReceiver*/, 1738 updateUsers); 1739 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1740 null /*package*/, null /*extras*/, 0 /*flags*/, 1741 packageName /*targetPackage*/, 1742 null /*finishedReceiver*/, updateUsers); 1743 } 1744 1745 // Send broadcast package appeared if forward locked/external for all users 1746 // treat asec-hosted packages like removable media on upgrade 1747 if (res.pkg.isForwardLocked() || isExternal(res.pkg)) { 1748 if (DEBUG_INSTALL) { 1749 Slog.i(TAG, "upgrading pkg " + res.pkg 1750 + " is ASEC-hosted -> AVAILABLE"); 1751 } 1752 final int[] uidArray = new int[]{res.pkg.applicationInfo.uid}; 1753 ArrayList<String> pkgList = new ArrayList<>(1); 1754 pkgList.add(packageName); 1755 sendResourcesChangedBroadcast(true, true, pkgList, uidArray, null); 1756 } 1757 } 1758 1759 // Work that needs to happen on first install within each user 1760 if (firstUsers != null && firstUsers.length > 0) { 1761 synchronized (mPackages) { 1762 for (int userId : firstUsers) { 1763 // If this app is a browser and it's newly-installed for some 1764 // users, clear any default-browser state in those users. The 1765 // app's nature doesn't depend on the user, so we can just check 1766 // its browser nature in any user and generalize. 1767 if (packageIsBrowser(packageName, userId)) { 1768 mSettings.setDefaultBrowserPackageNameLPw(null, userId); 1769 } 1770 1771 // We may also need to apply pending (restored) runtime 1772 // permission grants within these users. 1773 mSettings.applyPendingPermissionGrantsLPw(packageName, userId); 1774 } 1775 } 1776 } 1777 1778 // Log current value of "unknown sources" setting 1779 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1780 getUnknownSourcesSettings()); 1781 1782 // Force a gc to clear up things 1783 Runtime.getRuntime().gc(); 1784 1785 // Remove the replaced package's older resources safely now 1786 // We delete after a gc for applications on sdcard. 1787 if (res.removedInfo != null && res.removedInfo.args != null) { 1788 synchronized (mInstallLock) { 1789 res.removedInfo.args.doPostDeleteLI(true); 1790 } 1791 } 1792 } 1793 1794 // If someone is watching installs - notify them 1795 if (installObserver != null) { 1796 try { 1797 Bundle extras = extrasForInstallResult(res); 1798 installObserver.onPackageInstalled(res.name, res.returnCode, 1799 res.returnMsg, extras); 1800 } catch (RemoteException e) { 1801 Slog.i(TAG, "Observer no longer exists."); 1802 } 1803 } 1804 } 1805 1806 private void grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw( 1807 PackageParser.Package pkg) { 1808 if (pkg.parentPackage == null) { 1809 return; 1810 } 1811 if (pkg.requestedPermissions == null) { 1812 return; 1813 } 1814 final PackageSetting disabledSysParentPs = mSettings 1815 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 1816 if (disabledSysParentPs == null || disabledSysParentPs.pkg == null 1817 || !disabledSysParentPs.isPrivileged() 1818 || (disabledSysParentPs.childPackageNames != null 1819 && !disabledSysParentPs.childPackageNames.isEmpty())) { 1820 return; 1821 } 1822 final int[] allUserIds = sUserManager.getUserIds(); 1823 final int permCount = pkg.requestedPermissions.size(); 1824 for (int i = 0; i < permCount; i++) { 1825 String permission = pkg.requestedPermissions.get(i); 1826 BasePermission bp = mSettings.mPermissions.get(permission); 1827 if (bp == null || !(bp.isRuntime() || bp.isDevelopment())) { 1828 continue; 1829 } 1830 for (int userId : allUserIds) { 1831 if (disabledSysParentPs.getPermissionsState().hasRuntimePermission( 1832 permission, userId)) { 1833 grantRuntimePermission(pkg.packageName, permission, userId); 1834 } 1835 } 1836 } 1837 } 1838 1839 private StorageEventListener mStorageListener = new StorageEventListener() { 1840 @Override 1841 public void onVolumeStateChanged(VolumeInfo vol, int oldState, int newState) { 1842 if (vol.type == VolumeInfo.TYPE_PRIVATE) { 1843 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1844 final String volumeUuid = vol.getFsUuid(); 1845 1846 // Clean up any users or apps that were removed or recreated 1847 // while this volume was missing 1848 reconcileUsers(volumeUuid); 1849 reconcileApps(volumeUuid); 1850 1851 // Clean up any install sessions that expired or were 1852 // cancelled while this volume was missing 1853 mInstallerService.onPrivateVolumeMounted(volumeUuid); 1854 1855 loadPrivatePackages(vol); 1856 1857 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1858 unloadPrivatePackages(vol); 1859 } 1860 } 1861 1862 if (vol.type == VolumeInfo.TYPE_PUBLIC && vol.isPrimary()) { 1863 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1864 updateExternalMediaStatus(true, false); 1865 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1866 updateExternalMediaStatus(false, false); 1867 } 1868 } 1869 } 1870 1871 @Override 1872 public void onVolumeForgotten(String fsUuid) { 1873 if (TextUtils.isEmpty(fsUuid)) { 1874 Slog.e(TAG, "Forgetting internal storage is probably a mistake; ignoring"); 1875 return; 1876 } 1877 1878 // Remove any apps installed on the forgotten volume 1879 synchronized (mPackages) { 1880 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(fsUuid); 1881 for (PackageSetting ps : packages) { 1882 Slog.d(TAG, "Destroying " + ps.name + " because volume was forgotten"); 1883 deletePackage(ps.name, new LegacyPackageDeleteObserver(null).getBinder(), 1884 UserHandle.USER_SYSTEM, PackageManager.DELETE_ALL_USERS); 1885 } 1886 1887 mSettings.onVolumeForgotten(fsUuid); 1888 mSettings.writeLPr(); 1889 } 1890 } 1891 }; 1892 1893 private void grantRequestedRuntimePermissions(PackageParser.Package pkg, int[] userIds, 1894 String[] grantedPermissions) { 1895 for (int userId : userIds) { 1896 grantRequestedRuntimePermissionsForUser(pkg, userId, grantedPermissions); 1897 } 1898 1899 // We could have touched GID membership, so flush out packages.list 1900 synchronized (mPackages) { 1901 mSettings.writePackageListLPr(); 1902 } 1903 } 1904 1905 private void grantRequestedRuntimePermissionsForUser(PackageParser.Package pkg, int userId, 1906 String[] grantedPermissions) { 1907 SettingBase sb = (SettingBase) pkg.mExtras; 1908 if (sb == null) { 1909 return; 1910 } 1911 1912 PermissionsState permissionsState = sb.getPermissionsState(); 1913 1914 final int immutableFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 1915 | PackageManager.FLAG_PERMISSION_POLICY_FIXED; 1916 1917 synchronized (mPackages) { 1918 for (String permission : pkg.requestedPermissions) { 1919 BasePermission bp = mSettings.mPermissions.get(permission); 1920 if (bp != null && (bp.isRuntime() || bp.isDevelopment()) 1921 && (grantedPermissions == null 1922 || ArrayUtils.contains(grantedPermissions, permission))) { 1923 final int flags = permissionsState.getPermissionFlags(permission, userId); 1924 // Installer cannot change immutable permissions. 1925 if ((flags & immutableFlags) == 0) { 1926 grantRuntimePermission(pkg.packageName, permission, userId); 1927 } 1928 } 1929 } 1930 } 1931 } 1932 1933 Bundle extrasForInstallResult(PackageInstalledInfo res) { 1934 Bundle extras = null; 1935 switch (res.returnCode) { 1936 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 1937 extras = new Bundle(); 1938 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 1939 res.origPermission); 1940 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 1941 res.origPackage); 1942 break; 1943 } 1944 case PackageManager.INSTALL_SUCCEEDED: { 1945 extras = new Bundle(); 1946 extras.putBoolean(Intent.EXTRA_REPLACING, 1947 res.removedInfo != null && res.removedInfo.removedPackage != null); 1948 break; 1949 } 1950 } 1951 return extras; 1952 } 1953 1954 void scheduleWriteSettingsLocked() { 1955 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 1956 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 1957 } 1958 } 1959 1960 void scheduleWritePackageRestrictionsLocked(UserHandle user) { 1961 final int userId = user == null ? UserHandle.USER_ALL : user.getIdentifier(); 1962 scheduleWritePackageRestrictionsLocked(userId); 1963 } 1964 1965 void scheduleWritePackageRestrictionsLocked(int userId) { 1966 final int[] userIds = (userId == UserHandle.USER_ALL) 1967 ? sUserManager.getUserIds() : new int[]{userId}; 1968 for (int nextUserId : userIds) { 1969 if (!sUserManager.exists(nextUserId)) return; 1970 mDirtyUsers.add(nextUserId); 1971 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 1972 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 1973 } 1974 } 1975 } 1976 1977 public static PackageManagerService main(Context context, Installer installer, 1978 boolean factoryTest, boolean onlyCore) { 1979 // Self-check for initial settings. 1980 PackageManagerServiceCompilerMapping.checkProperties(); 1981 1982 PackageManagerService m = new PackageManagerService(context, installer, 1983 factoryTest, onlyCore); 1984 m.enableSystemUserPackages(); 1985 ServiceManager.addService("package", m); 1986 return m; 1987 } 1988 1989 private void enableSystemUserPackages() { 1990 if (!UserManager.isSplitSystemUser()) { 1991 return; 1992 } 1993 // For system user, enable apps based on the following conditions: 1994 // - app is whitelisted or belong to one of these groups: 1995 // -- system app which has no launcher icons 1996 // -- system app which has INTERACT_ACROSS_USERS permission 1997 // -- system IME app 1998 // - app is not in the blacklist 1999 AppsQueryHelper queryHelper = new AppsQueryHelper(this); 2000 Set<String> enableApps = new ArraySet<>(); 2001 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_NON_LAUNCHABLE_APPS 2002 | AppsQueryHelper.GET_APPS_WITH_INTERACT_ACROSS_USERS_PERM 2003 | AppsQueryHelper.GET_IMES, /* systemAppsOnly */ true, UserHandle.SYSTEM)); 2004 ArraySet<String> wlApps = SystemConfig.getInstance().getSystemUserWhitelistedApps(); 2005 enableApps.addAll(wlApps); 2006 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_REQUIRED_FOR_SYSTEM_USER, 2007 /* systemAppsOnly */ false, UserHandle.SYSTEM)); 2008 ArraySet<String> blApps = SystemConfig.getInstance().getSystemUserBlacklistedApps(); 2009 enableApps.removeAll(blApps); 2010 Log.i(TAG, "Applications installed for system user: " + enableApps); 2011 List<String> allAps = queryHelper.queryApps(0, /* systemAppsOnly */ false, 2012 UserHandle.SYSTEM); 2013 final int allAppsSize = allAps.size(); 2014 synchronized (mPackages) { 2015 for (int i = 0; i < allAppsSize; i++) { 2016 String pName = allAps.get(i); 2017 PackageSetting pkgSetting = mSettings.mPackages.get(pName); 2018 // Should not happen, but we shouldn't be failing if it does 2019 if (pkgSetting == null) { 2020 continue; 2021 } 2022 boolean install = enableApps.contains(pName); 2023 if (pkgSetting.getInstalled(UserHandle.USER_SYSTEM) != install) { 2024 Log.i(TAG, (install ? "Installing " : "Uninstalling ") + pName 2025 + " for system user"); 2026 pkgSetting.setInstalled(install, UserHandle.USER_SYSTEM); 2027 } 2028 } 2029 } 2030 } 2031 2032 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 2033 DisplayManager displayManager = (DisplayManager) context.getSystemService( 2034 Context.DISPLAY_SERVICE); 2035 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 2036 } 2037 2038 public PackageManagerService(Context context, Installer installer, 2039 boolean factoryTest, boolean onlyCore) { 2040 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 2041 SystemClock.uptimeMillis()); 2042 2043 if (mSdkVersion <= 0) { 2044 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 2045 } 2046 2047 mContext = context; 2048 mFactoryTest = factoryTest; 2049 mOnlyCore = onlyCore; 2050 mMetrics = new DisplayMetrics(); 2051 mSettings = new Settings(mPackages); 2052 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 2053 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2054 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 2055 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2056 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 2057 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2058 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 2059 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2060 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 2061 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2062 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 2063 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2064 2065 String separateProcesses = SystemProperties.get("debug.separate_processes"); 2066 if (separateProcesses != null && separateProcesses.length() > 0) { 2067 if ("*".equals(separateProcesses)) { 2068 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 2069 mSeparateProcesses = null; 2070 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 2071 } else { 2072 mDefParseFlags = 0; 2073 mSeparateProcesses = separateProcesses.split(","); 2074 Slog.w(TAG, "Running with debug.separate_processes: " 2075 + separateProcesses); 2076 } 2077 } else { 2078 mDefParseFlags = 0; 2079 mSeparateProcesses = null; 2080 } 2081 2082 mInstaller = installer; 2083 mPackageDexOptimizer = new PackageDexOptimizer(installer, mInstallLock, context, 2084 "*dexopt*"); 2085 mMoveCallbacks = new MoveCallbacks(FgThread.get().getLooper()); 2086 2087 mOnPermissionChangeListeners = new OnPermissionChangeListeners( 2088 FgThread.get().getLooper()); 2089 2090 getDefaultDisplayMetrics(context, mMetrics); 2091 2092 SystemConfig systemConfig = SystemConfig.getInstance(); 2093 mGlobalGids = systemConfig.getGlobalGids(); 2094 mSystemPermissions = systemConfig.getSystemPermissions(); 2095 mAvailableFeatures = systemConfig.getAvailableFeatures(); 2096 2097 synchronized (mInstallLock) { 2098 // writer 2099 synchronized (mPackages) { 2100 mHandlerThread = new ServiceThread(TAG, 2101 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 2102 mHandlerThread.start(); 2103 mHandler = new PackageHandler(mHandlerThread.getLooper()); 2104 mProcessLoggingHandler = new ProcessLoggingHandler(); 2105 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 2106 2107 File dataDir = Environment.getDataDirectory(); 2108 mAppInstallDir = new File(dataDir, "app"); 2109 mAppLib32InstallDir = new File(dataDir, "app-lib"); 2110 mEphemeralInstallDir = new File(dataDir, "app-ephemeral"); 2111 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 2112 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 2113 2114 sUserManager = new UserManagerService(context, this, mPackages); 2115 2116 // Propagate permission configuration in to package manager. 2117 ArrayMap<String, SystemConfig.PermissionEntry> permConfig 2118 = systemConfig.getPermissions(); 2119 for (int i=0; i<permConfig.size(); i++) { 2120 SystemConfig.PermissionEntry perm = permConfig.valueAt(i); 2121 BasePermission bp = mSettings.mPermissions.get(perm.name); 2122 if (bp == null) { 2123 bp = new BasePermission(perm.name, "android", BasePermission.TYPE_BUILTIN); 2124 mSettings.mPermissions.put(perm.name, bp); 2125 } 2126 if (perm.gids != null) { 2127 bp.setGids(perm.gids, perm.perUser); 2128 } 2129 } 2130 2131 ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries(); 2132 for (int i=0; i<libConfig.size(); i++) { 2133 mSharedLibraries.put(libConfig.keyAt(i), 2134 new SharedLibraryEntry(libConfig.valueAt(i), null)); 2135 } 2136 2137 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 2138 2139 mRestoredSettings = mSettings.readLPw(sUserManager.getUsers(false)); 2140 2141 String customResolverActivity = Resources.getSystem().getString( 2142 R.string.config_customResolverActivity); 2143 if (TextUtils.isEmpty(customResolverActivity)) { 2144 customResolverActivity = null; 2145 } else { 2146 mCustomResolverComponentName = ComponentName.unflattenFromString( 2147 customResolverActivity); 2148 } 2149 2150 long startTime = SystemClock.uptimeMillis(); 2151 2152 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 2153 startTime); 2154 2155 // Set flag to monitor and not change apk file paths when 2156 // scanning install directories. 2157 final int scanFlags = SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING | SCAN_INITIAL; 2158 2159 final String bootClassPath = System.getenv("BOOTCLASSPATH"); 2160 final String systemServerClassPath = System.getenv("SYSTEMSERVERCLASSPATH"); 2161 2162 if (bootClassPath == null) { 2163 Slog.w(TAG, "No BOOTCLASSPATH found!"); 2164 } 2165 2166 if (systemServerClassPath == null) { 2167 Slog.w(TAG, "No SYSTEMSERVERCLASSPATH found!"); 2168 } 2169 2170 final List<String> allInstructionSets = InstructionSets.getAllInstructionSets(); 2171 final String[] dexCodeInstructionSets = 2172 getDexCodeInstructionSets( 2173 allInstructionSets.toArray(new String[allInstructionSets.size()])); 2174 2175 /** 2176 * Ensure all external libraries have had dexopt run on them. 2177 */ 2178 if (mSharedLibraries.size() > 0) { 2179 // NOTE: For now, we're compiling these system "shared libraries" 2180 // (and framework jars) into all available architectures. It's possible 2181 // to compile them only when we come across an app that uses them (there's 2182 // already logic for that in scanPackageLI) but that adds some complexity. 2183 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 2184 for (SharedLibraryEntry libEntry : mSharedLibraries.values()) { 2185 final String lib = libEntry.path; 2186 if (lib == null) { 2187 continue; 2188 } 2189 2190 try { 2191 // Shared libraries do not have profiles so we perform a full 2192 // AOT compilation (if needed). 2193 int dexoptNeeded = DexFile.getDexOptNeeded( 2194 lib, dexCodeInstructionSet, 2195 getCompilerFilterForReason(REASON_SHARED_APK), 2196 false /* newProfile */); 2197 if (dexoptNeeded != DexFile.NO_DEXOPT_NEEDED) { 2198 mInstaller.dexopt(lib, Process.SYSTEM_UID, dexCodeInstructionSet, 2199 dexoptNeeded, DEXOPT_PUBLIC /*dexFlags*/, 2200 getCompilerFilterForReason(REASON_SHARED_APK), 2201 StorageManager.UUID_PRIVATE_INTERNAL); 2202 } 2203 } catch (FileNotFoundException e) { 2204 Slog.w(TAG, "Library not found: " + lib); 2205 } catch (IOException | InstallerException e) { 2206 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 2207 + e.getMessage()); 2208 } 2209 } 2210 } 2211 } 2212 2213 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 2214 2215 final VersionInfo ver = mSettings.getInternalVersion(); 2216 mIsUpgrade = !Build.FINGERPRINT.equals(ver.fingerprint); 2217 2218 // when upgrading from pre-M, promote system app permissions from install to runtime 2219 mPromoteSystemApps = 2220 mIsUpgrade && ver.sdkVersion <= Build.VERSION_CODES.LOLLIPOP_MR1; 2221 2222 // save off the names of pre-existing system packages prior to scanning; we don't 2223 // want to automatically grant runtime permissions for new system apps 2224 if (mPromoteSystemApps) { 2225 Iterator<PackageSetting> pkgSettingIter = mSettings.mPackages.values().iterator(); 2226 while (pkgSettingIter.hasNext()) { 2227 PackageSetting ps = pkgSettingIter.next(); 2228 if (isSystemApp(ps)) { 2229 mExistingSystemPackages.add(ps.name); 2230 } 2231 } 2232 } 2233 2234 // When upgrading from pre-N, we need to handle package extraction like first boot, 2235 // as there is no profiling data available. 2236 mIsPreNUpgrade = !mSettings.isNWorkDone(); 2237 mSettings.setNWorkDone(); 2238 2239 // Collect vendor overlay packages. 2240 // (Do this before scanning any apps.) 2241 // For security and version matching reason, only consider 2242 // overlay packages if they reside in VENDOR_OVERLAY_DIR. 2243 File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR); 2244 scanDirTracedLI(vendorOverlayDir, PackageParser.PARSE_IS_SYSTEM 2245 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 2246 2247 // Find base frameworks (resource packages without code). 2248 scanDirTracedLI(frameworkDir, PackageParser.PARSE_IS_SYSTEM 2249 | PackageParser.PARSE_IS_SYSTEM_DIR 2250 | PackageParser.PARSE_IS_PRIVILEGED, 2251 scanFlags | SCAN_NO_DEX, 0); 2252 2253 // Collected privileged system packages. 2254 final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 2255 scanDirTracedLI(privilegedAppDir, PackageParser.PARSE_IS_SYSTEM 2256 | PackageParser.PARSE_IS_SYSTEM_DIR 2257 | PackageParser.PARSE_IS_PRIVILEGED, scanFlags, 0); 2258 2259 // Collect ordinary system packages. 2260 final File systemAppDir = new File(Environment.getRootDirectory(), "app"); 2261 scanDirTracedLI(systemAppDir, PackageParser.PARSE_IS_SYSTEM 2262 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2263 2264 // Collect all vendor packages. 2265 File vendorAppDir = new File("/vendor/app"); 2266 try { 2267 vendorAppDir = vendorAppDir.getCanonicalFile(); 2268 } catch (IOException e) { 2269 // failed to look up canonical path, continue with original one 2270 } 2271 scanDirTracedLI(vendorAppDir, PackageParser.PARSE_IS_SYSTEM 2272 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2273 2274 // Collect all OEM packages. 2275 final File oemAppDir = new File(Environment.getOemDirectory(), "app"); 2276 scanDirTracedLI(oemAppDir, PackageParser.PARSE_IS_SYSTEM 2277 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2278 2279 // Prune any system packages that no longer exist. 2280 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 2281 if (!mOnlyCore) { 2282 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 2283 while (psit.hasNext()) { 2284 PackageSetting ps = psit.next(); 2285 2286 /* 2287 * If this is not a system app, it can't be a 2288 * disable system app. 2289 */ 2290 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 2291 continue; 2292 } 2293 2294 /* 2295 * If the package is scanned, it's not erased. 2296 */ 2297 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 2298 if (scannedPkg != null) { 2299 /* 2300 * If the system app is both scanned and in the 2301 * disabled packages list, then it must have been 2302 * added via OTA. Remove it from the currently 2303 * scanned package so the previously user-installed 2304 * application can be scanned. 2305 */ 2306 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 2307 logCriticalInfo(Log.WARN, "Expecting better updated system app for " 2308 + ps.name + "; removing system app. Last known codePath=" 2309 + ps.codePathString + ", installStatus=" + ps.installStatus 2310 + ", versionCode=" + ps.versionCode + "; scanned versionCode=" 2311 + scannedPkg.mVersionCode); 2312 removePackageLI(scannedPkg, true); 2313 mExpectingBetter.put(ps.name, ps.codePath); 2314 } 2315 2316 continue; 2317 } 2318 2319 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 2320 psit.remove(); 2321 logCriticalInfo(Log.WARN, "System package " + ps.name 2322 + " no longer exists; wiping its data"); 2323 removeDataDirsLI(null, ps.name); 2324 } else { 2325 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 2326 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 2327 possiblyDeletedUpdatedSystemApps.add(ps.name); 2328 } 2329 } 2330 } 2331 } 2332 2333 //look for any incomplete package installations 2334 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 2335 //clean up list 2336 for(int i = 0; i < deletePkgsList.size(); i++) { 2337 //clean up here 2338 cleanupInstallFailedPackage(deletePkgsList.get(i)); 2339 } 2340 //delete tmp files 2341 deleteTempPackageFiles(); 2342 2343 // Remove any shared userIDs that have no associated packages 2344 mSettings.pruneSharedUsersLPw(); 2345 2346 if (!mOnlyCore) { 2347 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 2348 SystemClock.uptimeMillis()); 2349 scanDirTracedLI(mAppInstallDir, 0, scanFlags | SCAN_REQUIRE_KNOWN, 0); 2350 2351 scanDirTracedLI(mDrmAppPrivateInstallDir, PackageParser.PARSE_FORWARD_LOCK, 2352 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2353 2354 scanDirLI(mEphemeralInstallDir, PackageParser.PARSE_IS_EPHEMERAL, 2355 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2356 2357 /** 2358 * Remove disable package settings for any updated system 2359 * apps that were removed via an OTA. If they're not a 2360 * previously-updated app, remove them completely. 2361 * Otherwise, just revoke their system-level permissions. 2362 */ 2363 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 2364 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 2365 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 2366 2367 String msg; 2368 if (deletedPkg == null) { 2369 msg = "Updated system package " + deletedAppName 2370 + " no longer exists; wiping its data"; 2371 removeDataDirsLI(null, deletedAppName); 2372 } else { 2373 msg = "Updated system app + " + deletedAppName 2374 + " no longer present; removing system privileges for " 2375 + deletedAppName; 2376 2377 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 2378 2379 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 2380 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 2381 } 2382 logCriticalInfo(Log.WARN, msg); 2383 } 2384 2385 /** 2386 * Make sure all system apps that we expected to appear on 2387 * the userdata partition actually showed up. If they never 2388 * appeared, crawl back and revive the system version. 2389 */ 2390 for (int i = 0; i < mExpectingBetter.size(); i++) { 2391 final String packageName = mExpectingBetter.keyAt(i); 2392 if (!mPackages.containsKey(packageName)) { 2393 final File scanFile = mExpectingBetter.valueAt(i); 2394 2395 logCriticalInfo(Log.WARN, "Expected better " + packageName 2396 + " but never showed up; reverting to system"); 2397 2398 final int reparseFlags; 2399 if (FileUtils.contains(privilegedAppDir, scanFile)) { 2400 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2401 | PackageParser.PARSE_IS_SYSTEM_DIR 2402 | PackageParser.PARSE_IS_PRIVILEGED; 2403 } else if (FileUtils.contains(systemAppDir, scanFile)) { 2404 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2405 | PackageParser.PARSE_IS_SYSTEM_DIR; 2406 } else if (FileUtils.contains(vendorAppDir, scanFile)) { 2407 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2408 | PackageParser.PARSE_IS_SYSTEM_DIR; 2409 } else if (FileUtils.contains(oemAppDir, scanFile)) { 2410 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2411 | PackageParser.PARSE_IS_SYSTEM_DIR; 2412 } else { 2413 Slog.e(TAG, "Ignoring unexpected fallback path " + scanFile); 2414 continue; 2415 } 2416 2417 mSettings.enableSystemPackageLPw(packageName); 2418 2419 try { 2420 scanPackageTracedLI(scanFile, reparseFlags, scanFlags, 0, null); 2421 } catch (PackageManagerException e) { 2422 Slog.e(TAG, "Failed to parse original system package: " 2423 + e.getMessage()); 2424 } 2425 } 2426 } 2427 } 2428 mExpectingBetter.clear(); 2429 2430 // Now that we know all of the shared libraries, update all clients to have 2431 // the correct library paths. 2432 updateAllSharedLibrariesLPw(); 2433 2434 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 2435 // NOTE: We ignore potential failures here during a system scan (like 2436 // the rest of the commands above) because there's precious little we 2437 // can do about it. A settings error is reported, though. 2438 adjustCpuAbisForSharedUserLPw(setting.packages, null /* scanned package */, 2439 false /* boot complete */); 2440 } 2441 2442 // Now that we know all the packages we are keeping, 2443 // read and update their last usage times. 2444 mPackageUsage.readLP(); 2445 2446 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 2447 SystemClock.uptimeMillis()); 2448 Slog.i(TAG, "Time to scan packages: " 2449 + ((SystemClock.uptimeMillis()-startTime)/1000f) 2450 + " seconds"); 2451 2452 // If the platform SDK has changed since the last time we booted, 2453 // we need to re-grant app permission to catch any new ones that 2454 // appear. This is really a hack, and means that apps can in some 2455 // cases get permissions that the user didn't initially explicitly 2456 // allow... it would be nice to have some better way to handle 2457 // this situation. 2458 int updateFlags = UPDATE_PERMISSIONS_ALL; 2459 if (ver.sdkVersion != mSdkVersion) { 2460 Slog.i(TAG, "Platform changed from " + ver.sdkVersion + " to " 2461 + mSdkVersion + "; regranting permissions for internal storage"); 2462 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 2463 } 2464 updatePermissionsLPw(null, null, StorageManager.UUID_PRIVATE_INTERNAL, updateFlags); 2465 ver.sdkVersion = mSdkVersion; 2466 2467 // If this is the first boot or an update from pre-M, and it is a normal 2468 // boot, then we need to initialize the default preferred apps across 2469 // all defined users. 2470 if (!onlyCore && (mPromoteSystemApps || !mRestoredSettings)) { 2471 for (UserInfo user : sUserManager.getUsers(true)) { 2472 mSettings.applyDefaultPreferredAppsLPw(this, user.id); 2473 applyFactoryDefaultBrowserLPw(user.id); 2474 primeDomainVerificationsLPw(user.id); 2475 } 2476 } 2477 2478 // Prepare storage for system user really early during boot, 2479 // since core system apps like SettingsProvider and SystemUI 2480 // can't wait for user to start 2481 final int storageFlags; 2482 if (StorageManager.isFileEncryptedNativeOrEmulated()) { 2483 storageFlags = StorageManager.FLAG_STORAGE_DE; 2484 } else { 2485 storageFlags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 2486 } 2487 reconcileAppsData(StorageManager.UUID_PRIVATE_INTERNAL, UserHandle.USER_SYSTEM, 2488 storageFlags); 2489 2490 // If this is first boot after an OTA, and a normal boot, then 2491 // we need to clear code cache directories. 2492 if (mIsUpgrade && !onlyCore) { 2493 Slog.i(TAG, "Build fingerprint changed; clearing code caches"); 2494 for (int i = 0; i < mSettings.mPackages.size(); i++) { 2495 final PackageSetting ps = mSettings.mPackages.valueAt(i); 2496 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, ps.volumeUuid)) { 2497 deleteCodeCacheDirsLI(ps.volumeUuid, ps.name); 2498 } 2499 } 2500 ver.fingerprint = Build.FINGERPRINT; 2501 } 2502 2503 checkDefaultBrowser(); 2504 2505 // clear only after permissions and other defaults have been updated 2506 mExistingSystemPackages.clear(); 2507 mPromoteSystemApps = false; 2508 2509 // All the changes are done during package scanning. 2510 ver.databaseVersion = Settings.CURRENT_DATABASE_VERSION; 2511 2512 // can downgrade to reader 2513 mSettings.writeLPr(); 2514 2515 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 2516 SystemClock.uptimeMillis()); 2517 2518 if (!mOnlyCore) { 2519 mRequiredVerifierPackage = getRequiredButNotReallyRequiredVerifierLPr(); 2520 mRequiredInstallerPackage = getRequiredInstallerLPr(); 2521 mIntentFilterVerifierComponent = getIntentFilterVerifierComponentNameLPr(); 2522 mIntentFilterVerifier = new IntentVerifierProxy(mContext, 2523 mIntentFilterVerifierComponent); 2524 } else { 2525 mRequiredVerifierPackage = null; 2526 mRequiredInstallerPackage = null; 2527 mIntentFilterVerifierComponent = null; 2528 mIntentFilterVerifier = null; 2529 } 2530 2531 mInstallerService = new PackageInstallerService(context, this); 2532 2533 final ComponentName ephemeralResolverComponent = getEphemeralResolverLPr(); 2534 final ComponentName ephemeralInstallerComponent = getEphemeralInstallerLPr(); 2535 // both the installer and resolver must be present to enable ephemeral 2536 if (ephemeralInstallerComponent != null && ephemeralResolverComponent != null) { 2537 if (DEBUG_EPHEMERAL) { 2538 Slog.i(TAG, "Ephemeral activated; resolver: " + ephemeralResolverComponent 2539 + " installer:" + ephemeralInstallerComponent); 2540 } 2541 mEphemeralResolverComponent = ephemeralResolverComponent; 2542 mEphemeralInstallerComponent = ephemeralInstallerComponent; 2543 setUpEphemeralInstallerActivityLP(mEphemeralInstallerComponent); 2544 mEphemeralResolverConnection = 2545 new EphemeralResolverConnection(mContext, mEphemeralResolverComponent); 2546 } else { 2547 if (DEBUG_EPHEMERAL) { 2548 final String missingComponent = 2549 (ephemeralResolverComponent == null) 2550 ? (ephemeralInstallerComponent == null) 2551 ? "resolver and installer" 2552 : "resolver" 2553 : "installer"; 2554 Slog.i(TAG, "Ephemeral deactivated; missing " + missingComponent); 2555 } 2556 mEphemeralResolverComponent = null; 2557 mEphemeralInstallerComponent = null; 2558 mEphemeralResolverConnection = null; 2559 } 2560 2561 mEphemeralApplicationRegistry = new EphemeralApplicationRegistry(this); 2562 } // synchronized (mPackages) 2563 } // synchronized (mInstallLock) 2564 2565 // Now after opening every single application zip, make sure they 2566 // are all flushed. Not really needed, but keeps things nice and 2567 // tidy. 2568 Runtime.getRuntime().gc(); 2569 2570 // The initial scanning above does many calls into installd while 2571 // holding the mPackages lock, but we're mostly interested in yelling 2572 // once we have a booted system. 2573 mInstaller.setWarnIfHeld(mPackages); 2574 2575 // Expose private service for system components to use. 2576 LocalServices.addService(PackageManagerInternal.class, new PackageManagerInternalImpl()); 2577 } 2578 2579 @Override 2580 public boolean isFirstBoot() { 2581 return !mRestoredSettings; 2582 } 2583 2584 @Override 2585 public boolean isOnlyCoreApps() { 2586 return mOnlyCore; 2587 } 2588 2589 @Override 2590 public boolean isUpgrade() { 2591 return mIsUpgrade; 2592 } 2593 2594 private @Nullable String getRequiredButNotReallyRequiredVerifierLPr() { 2595 final Intent intent = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 2596 2597 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 2598 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2599 UserHandle.USER_SYSTEM); 2600 if (matches.size() == 1) { 2601 return matches.get(0).getComponentInfo().packageName; 2602 } else { 2603 Log.e(TAG, "There should probably be exactly one verifier; found " + matches); 2604 return null; 2605 } 2606 } 2607 2608 private @NonNull String getRequiredInstallerLPr() { 2609 final Intent intent = new Intent(Intent.ACTION_INSTALL_PACKAGE); 2610 intent.addCategory(Intent.CATEGORY_DEFAULT); 2611 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2612 2613 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 2614 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2615 UserHandle.USER_SYSTEM); 2616 if (matches.size() == 1) { 2617 return matches.get(0).getComponentInfo().packageName; 2618 } else { 2619 throw new RuntimeException("There must be exactly one installer; found " + matches); 2620 } 2621 } 2622 2623 private @NonNull ComponentName getIntentFilterVerifierComponentNameLPr() { 2624 final Intent intent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 2625 2626 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 2627 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2628 UserHandle.USER_SYSTEM); 2629 ResolveInfo best = null; 2630 final int N = matches.size(); 2631 for (int i = 0; i < N; i++) { 2632 final ResolveInfo cur = matches.get(i); 2633 final String packageName = cur.getComponentInfo().packageName; 2634 if (checkPermission(android.Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 2635 packageName, UserHandle.USER_SYSTEM) != PackageManager.PERMISSION_GRANTED) { 2636 continue; 2637 } 2638 2639 if (best == null || cur.priority > best.priority) { 2640 best = cur; 2641 } 2642 } 2643 2644 if (best != null) { 2645 return best.getComponentInfo().getComponentName(); 2646 } else { 2647 throw new RuntimeException("There must be at least one intent filter verifier"); 2648 } 2649 } 2650 2651 private @Nullable ComponentName getEphemeralResolverLPr() { 2652 final String[] packageArray = 2653 mContext.getResources().getStringArray(R.array.config_ephemeralResolverPackage); 2654 if (packageArray.length == 0) { 2655 if (DEBUG_EPHEMERAL) { 2656 Slog.d(TAG, "Ephemeral resolver NOT found; empty package list"); 2657 } 2658 return null; 2659 } 2660 2661 final Intent resolverIntent = new Intent(Intent.ACTION_RESOLVE_EPHEMERAL_PACKAGE); 2662 final List<ResolveInfo> resolvers = queryIntentServicesInternal(resolverIntent, null, 2663 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2664 UserHandle.USER_SYSTEM); 2665 2666 final int N = resolvers.size(); 2667 if (N == 0) { 2668 if (DEBUG_EPHEMERAL) { 2669 Slog.d(TAG, "Ephemeral resolver NOT found; no matching intent filters"); 2670 } 2671 return null; 2672 } 2673 2674 final Set<String> possiblePackages = new ArraySet<>(Arrays.asList(packageArray)); 2675 for (int i = 0; i < N; i++) { 2676 final ResolveInfo info = resolvers.get(i); 2677 2678 if (info.serviceInfo == null) { 2679 continue; 2680 } 2681 2682 final String packageName = info.serviceInfo.packageName; 2683 if (!possiblePackages.contains(packageName)) { 2684 if (DEBUG_EPHEMERAL) { 2685 Slog.d(TAG, "Ephemeral resolver not in allowed package list;" 2686 + " pkg: " + packageName + ", info:" + info); 2687 } 2688 continue; 2689 } 2690 2691 if (DEBUG_EPHEMERAL) { 2692 Slog.v(TAG, "Ephemeral resolver found;" 2693 + " pkg: " + packageName + ", info:" + info); 2694 } 2695 return new ComponentName(packageName, info.serviceInfo.name); 2696 } 2697 if (DEBUG_EPHEMERAL) { 2698 Slog.v(TAG, "Ephemeral resolver NOT found"); 2699 } 2700 return null; 2701 } 2702 2703 private @Nullable ComponentName getEphemeralInstallerLPr() { 2704 final Intent intent = new Intent(Intent.ACTION_INSTALL_EPHEMERAL_PACKAGE); 2705 intent.addCategory(Intent.CATEGORY_DEFAULT); 2706 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2707 2708 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 2709 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2710 UserHandle.USER_SYSTEM); 2711 if (matches.size() == 0) { 2712 return null; 2713 } else if (matches.size() == 1) { 2714 return matches.get(0).getComponentInfo().getComponentName(); 2715 } else { 2716 throw new RuntimeException( 2717 "There must be at most one ephemeral installer; found " + matches); 2718 } 2719 } 2720 2721 private void primeDomainVerificationsLPw(int userId) { 2722 if (DEBUG_DOMAIN_VERIFICATION) { 2723 Slog.d(TAG, "Priming domain verifications in user " + userId); 2724 } 2725 2726 SystemConfig systemConfig = SystemConfig.getInstance(); 2727 ArraySet<String> packages = systemConfig.getLinkedApps(); 2728 ArraySet<String> domains = new ArraySet<String>(); 2729 2730 for (String packageName : packages) { 2731 PackageParser.Package pkg = mPackages.get(packageName); 2732 if (pkg != null) { 2733 if (!pkg.isSystemApp()) { 2734 Slog.w(TAG, "Non-system app '" + packageName + "' in sysconfig <app-link>"); 2735 continue; 2736 } 2737 2738 domains.clear(); 2739 for (PackageParser.Activity a : pkg.activities) { 2740 for (ActivityIntentInfo filter : a.intents) { 2741 if (hasValidDomains(filter)) { 2742 domains.addAll(filter.getHostsList()); 2743 } 2744 } 2745 } 2746 2747 if (domains.size() > 0) { 2748 if (DEBUG_DOMAIN_VERIFICATION) { 2749 Slog.v(TAG, " + " + packageName); 2750 } 2751 // 'Undefined' in the global IntentFilterVerificationInfo, i.e. the usual 2752 // state w.r.t. the formal app-linkage "no verification attempted" state; 2753 // and then 'always' in the per-user state actually used for intent resolution. 2754 final IntentFilterVerificationInfo ivi; 2755 ivi = mSettings.createIntentFilterVerificationIfNeededLPw(packageName, 2756 new ArrayList<String>(domains)); 2757 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED); 2758 mSettings.updateIntentFilterVerificationStatusLPw(packageName, 2759 INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, userId); 2760 } else { 2761 Slog.w(TAG, "Sysconfig <app-link> package '" + packageName 2762 + "' does not handle web links"); 2763 } 2764 } else { 2765 Slog.w(TAG, "Unknown package " + packageName + " in sysconfig <app-link>"); 2766 } 2767 } 2768 2769 scheduleWritePackageRestrictionsLocked(userId); 2770 scheduleWriteSettingsLocked(); 2771 } 2772 2773 private void applyFactoryDefaultBrowserLPw(int userId) { 2774 // The default browser app's package name is stored in a string resource, 2775 // with a product-specific overlay used for vendor customization. 2776 String browserPkg = mContext.getResources().getString( 2777 com.android.internal.R.string.default_browser); 2778 if (!TextUtils.isEmpty(browserPkg)) { 2779 // non-empty string => required to be a known package 2780 PackageSetting ps = mSettings.mPackages.get(browserPkg); 2781 if (ps == null) { 2782 Slog.e(TAG, "Product default browser app does not exist: " + browserPkg); 2783 browserPkg = null; 2784 } else { 2785 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 2786 } 2787 } 2788 2789 // Nothing valid explicitly set? Make the factory-installed browser the explicit 2790 // default. If there's more than one, just leave everything alone. 2791 if (browserPkg == null) { 2792 calculateDefaultBrowserLPw(userId); 2793 } 2794 } 2795 2796 private void calculateDefaultBrowserLPw(int userId) { 2797 List<String> allBrowsers = resolveAllBrowserApps(userId); 2798 final String browserPkg = (allBrowsers.size() == 1) ? allBrowsers.get(0) : null; 2799 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 2800 } 2801 2802 private List<String> resolveAllBrowserApps(int userId) { 2803 // Resolve the canonical browser intent and check that the handleAllWebDataURI boolean is set 2804 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 2805 PackageManager.MATCH_ALL, userId); 2806 2807 final int count = list.size(); 2808 List<String> result = new ArrayList<String>(count); 2809 for (int i=0; i<count; i++) { 2810 ResolveInfo info = list.get(i); 2811 if (info.activityInfo == null 2812 || !info.handleAllWebDataURI 2813 || (info.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 0 2814 || result.contains(info.activityInfo.packageName)) { 2815 continue; 2816 } 2817 result.add(info.activityInfo.packageName); 2818 } 2819 2820 return result; 2821 } 2822 2823 private boolean packageIsBrowser(String packageName, int userId) { 2824 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 2825 PackageManager.MATCH_ALL, userId); 2826 final int N = list.size(); 2827 for (int i = 0; i < N; i++) { 2828 ResolveInfo info = list.get(i); 2829 if (packageName.equals(info.activityInfo.packageName)) { 2830 return true; 2831 } 2832 } 2833 return false; 2834 } 2835 2836 private void checkDefaultBrowser() { 2837 final int myUserId = UserHandle.myUserId(); 2838 final String packageName = getDefaultBrowserPackageName(myUserId); 2839 if (packageName != null) { 2840 PackageInfo info = getPackageInfo(packageName, 0, myUserId); 2841 if (info == null) { 2842 Slog.w(TAG, "Default browser no longer installed: " + packageName); 2843 synchronized (mPackages) { 2844 applyFactoryDefaultBrowserLPw(myUserId); // leaves ambiguous when > 1 2845 } 2846 } 2847 } 2848 } 2849 2850 @Override 2851 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 2852 throws RemoteException { 2853 try { 2854 return super.onTransact(code, data, reply, flags); 2855 } catch (RuntimeException e) { 2856 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 2857 Slog.wtf(TAG, "Package Manager Crash", e); 2858 } 2859 throw e; 2860 } 2861 } 2862 2863 void cleanupInstallFailedPackage(PackageSetting ps) { 2864 logCriticalInfo(Log.WARN, "Cleaning up incompletely installed app: " + ps.name); 2865 2866 removeDataDirsLI(ps.volumeUuid, ps.name); 2867 if (ps.codePath != null) { 2868 removeCodePathLI(ps.codePath); 2869 } 2870 if (ps.resourcePath != null && !ps.resourcePath.equals(ps.codePath)) { 2871 if (ps.resourcePath.isDirectory()) { 2872 FileUtils.deleteContents(ps.resourcePath); 2873 } 2874 ps.resourcePath.delete(); 2875 } 2876 mSettings.removePackageLPw(ps.name); 2877 } 2878 2879 static int[] appendInts(int[] cur, int[] add) { 2880 if (add == null) return cur; 2881 if (cur == null) return add; 2882 final int N = add.length; 2883 for (int i=0; i<N; i++) { 2884 cur = appendInt(cur, add[i]); 2885 } 2886 return cur; 2887 } 2888 2889 PackageInfo generatePackageInfo(PackageParser.Package p, int flags, int userId) { 2890 if (!sUserManager.exists(userId)) return null; 2891 final PackageSetting ps = (PackageSetting) p.mExtras; 2892 if (ps == null) { 2893 return null; 2894 } 2895 2896 final PermissionsState permissionsState = ps.getPermissionsState(); 2897 2898 final int[] gids = permissionsState.computeGids(userId); 2899 final Set<String> permissions = permissionsState.getPermissions(userId); 2900 final PackageUserState state = ps.readUserState(userId); 2901 2902 return PackageParser.generatePackageInfo(p, gids, flags, 2903 ps.firstInstallTime, ps.lastUpdateTime, permissions, state, userId); 2904 } 2905 2906 @Override 2907 public void checkPackageStartable(String packageName, int userId) { 2908 final boolean userKeyUnlocked = isUserKeyUnlocked(userId); 2909 2910 synchronized (mPackages) { 2911 final PackageSetting ps = mSettings.mPackages.get(packageName); 2912 if (ps == null) { 2913 throw new SecurityException("Package " + packageName + " was not found!"); 2914 } 2915 2916 if (!ps.getInstalled(userId)) { 2917 throw new SecurityException( 2918 "Package " + packageName + " was not installed for user " + userId + "!"); 2919 } 2920 2921 if (mSafeMode && !ps.isSystem()) { 2922 throw new SecurityException("Package " + packageName + " not a system app!"); 2923 } 2924 2925 if (ps.frozen) { 2926 throw new SecurityException("Package " + packageName + " is currently frozen!"); 2927 } 2928 2929 if (!userKeyUnlocked && !(ps.pkg.applicationInfo.isDirectBootAware() 2930 || ps.pkg.applicationInfo.isPartiallyDirectBootAware())) { 2931 throw new SecurityException("Package " + packageName + " is not encryption aware!"); 2932 } 2933 } 2934 } 2935 2936 @Override 2937 public boolean isPackageAvailable(String packageName, int userId) { 2938 if (!sUserManager.exists(userId)) return false; 2939 enforceCrossUserPermission(Binder.getCallingUid(), userId, 2940 false /* requireFullPermission */, false /* checkShell */, "is package available"); 2941 synchronized (mPackages) { 2942 PackageParser.Package p = mPackages.get(packageName); 2943 if (p != null) { 2944 final PackageSetting ps = (PackageSetting) p.mExtras; 2945 if (ps != null) { 2946 final PackageUserState state = ps.readUserState(userId); 2947 if (state != null) { 2948 return PackageParser.isAvailable(state); 2949 } 2950 } 2951 } 2952 } 2953 return false; 2954 } 2955 2956 @Override 2957 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 2958 if (!sUserManager.exists(userId)) return null; 2959 flags = updateFlagsForPackage(flags, userId, packageName); 2960 enforceCrossUserPermission(Binder.getCallingUid(), userId, 2961 false /* requireFullPermission */, false /* checkShell */, "get package info"); 2962 // reader 2963 synchronized (mPackages) { 2964 PackageParser.Package p = mPackages.get(packageName); 2965 if (DEBUG_PACKAGE_INFO) 2966 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 2967 if (p != null) { 2968 return generatePackageInfo(p, flags, userId); 2969 } 2970 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 2971 return generatePackageInfoFromSettingsLPw(packageName, flags, userId); 2972 } 2973 } 2974 return null; 2975 } 2976 2977 @Override 2978 public String[] currentToCanonicalPackageNames(String[] names) { 2979 String[] out = new String[names.length]; 2980 // reader 2981 synchronized (mPackages) { 2982 for (int i=names.length-1; i>=0; i--) { 2983 PackageSetting ps = mSettings.mPackages.get(names[i]); 2984 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 2985 } 2986 } 2987 return out; 2988 } 2989 2990 @Override 2991 public String[] canonicalToCurrentPackageNames(String[] names) { 2992 String[] out = new String[names.length]; 2993 // reader 2994 synchronized (mPackages) { 2995 for (int i=names.length-1; i>=0; i--) { 2996 String cur = mSettings.mRenamedPackages.get(names[i]); 2997 out[i] = cur != null ? cur : names[i]; 2998 } 2999 } 3000 return out; 3001 } 3002 3003 @Override 3004 public int getPackageUid(String packageName, int flags, int userId) { 3005 if (!sUserManager.exists(userId)) return -1; 3006 flags = updateFlagsForPackage(flags, userId, packageName); 3007 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3008 false /* requireFullPermission */, false /* checkShell */, "get package uid"); 3009 3010 // reader 3011 synchronized (mPackages) { 3012 final PackageParser.Package p = mPackages.get(packageName); 3013 if (p != null && p.isMatch(flags)) { 3014 return UserHandle.getUid(userId, p.applicationInfo.uid); 3015 } 3016 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3017 final PackageSetting ps = mSettings.mPackages.get(packageName); 3018 if (ps != null && ps.isMatch(flags)) { 3019 return UserHandle.getUid(userId, ps.appId); 3020 } 3021 } 3022 } 3023 3024 return -1; 3025 } 3026 3027 @Override 3028 public int[] getPackageGids(String packageName, int flags, int userId) { 3029 if (!sUserManager.exists(userId)) return null; 3030 flags = updateFlagsForPackage(flags, userId, packageName); 3031 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3032 false /* requireFullPermission */, false /* checkShell */, 3033 "getPackageGids"); 3034 3035 // reader 3036 synchronized (mPackages) { 3037 final PackageParser.Package p = mPackages.get(packageName); 3038 if (p != null && p.isMatch(flags)) { 3039 PackageSetting ps = (PackageSetting) p.mExtras; 3040 return ps.getPermissionsState().computeGids(userId); 3041 } 3042 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3043 final PackageSetting ps = mSettings.mPackages.get(packageName); 3044 if (ps != null && ps.isMatch(flags)) { 3045 return ps.getPermissionsState().computeGids(userId); 3046 } 3047 } 3048 } 3049 3050 return null; 3051 } 3052 3053 static PermissionInfo generatePermissionInfo(BasePermission bp, int flags) { 3054 if (bp.perm != null) { 3055 return PackageParser.generatePermissionInfo(bp.perm, flags); 3056 } 3057 PermissionInfo pi = new PermissionInfo(); 3058 pi.name = bp.name; 3059 pi.packageName = bp.sourcePackage; 3060 pi.nonLocalizedLabel = bp.name; 3061 pi.protectionLevel = bp.protectionLevel; 3062 return pi; 3063 } 3064 3065 @Override 3066 public PermissionInfo getPermissionInfo(String name, int flags) { 3067 // reader 3068 synchronized (mPackages) { 3069 final BasePermission p = mSettings.mPermissions.get(name); 3070 if (p != null) { 3071 return generatePermissionInfo(p, flags); 3072 } 3073 return null; 3074 } 3075 } 3076 3077 @Override 3078 public @Nullable ParceledListSlice<PermissionInfo> queryPermissionsByGroup(String group, 3079 int flags) { 3080 // reader 3081 synchronized (mPackages) { 3082 if (group != null && !mPermissionGroups.containsKey(group)) { 3083 // This is thrown as NameNotFoundException 3084 return null; 3085 } 3086 3087 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 3088 for (BasePermission p : mSettings.mPermissions.values()) { 3089 if (group == null) { 3090 if (p.perm == null || p.perm.info.group == null) { 3091 out.add(generatePermissionInfo(p, flags)); 3092 } 3093 } else { 3094 if (p.perm != null && group.equals(p.perm.info.group)) { 3095 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 3096 } 3097 } 3098 } 3099 return new ParceledListSlice<>(out); 3100 } 3101 } 3102 3103 @Override 3104 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 3105 // reader 3106 synchronized (mPackages) { 3107 return PackageParser.generatePermissionGroupInfo( 3108 mPermissionGroups.get(name), flags); 3109 } 3110 } 3111 3112 @Override 3113 public @NonNull ParceledListSlice<PermissionGroupInfo> getAllPermissionGroups(int flags) { 3114 // reader 3115 synchronized (mPackages) { 3116 final int N = mPermissionGroups.size(); 3117 ArrayList<PermissionGroupInfo> out 3118 = new ArrayList<PermissionGroupInfo>(N); 3119 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 3120 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 3121 } 3122 return new ParceledListSlice<>(out); 3123 } 3124 } 3125 3126 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 3127 int userId) { 3128 if (!sUserManager.exists(userId)) return null; 3129 PackageSetting ps = mSettings.mPackages.get(packageName); 3130 if (ps != null) { 3131 if (ps.pkg == null) { 3132 PackageInfo pInfo = generatePackageInfoFromSettingsLPw(packageName, 3133 flags, userId); 3134 if (pInfo != null) { 3135 return pInfo.applicationInfo; 3136 } 3137 return null; 3138 } 3139 return PackageParser.generateApplicationInfo(ps.pkg, flags, 3140 ps.readUserState(userId), userId); 3141 } 3142 return null; 3143 } 3144 3145 private PackageInfo generatePackageInfoFromSettingsLPw(String packageName, int flags, 3146 int userId) { 3147 if (!sUserManager.exists(userId)) return null; 3148 PackageSetting ps = mSettings.mPackages.get(packageName); 3149 if (ps != null) { 3150 PackageParser.Package pkg = ps.pkg; 3151 if (pkg == null) { 3152 if ((flags & MATCH_UNINSTALLED_PACKAGES) == 0) { 3153 return null; 3154 } 3155 // Only data remains, so we aren't worried about code paths 3156 pkg = new PackageParser.Package(packageName); 3157 pkg.applicationInfo.packageName = packageName; 3158 pkg.applicationInfo.flags = ps.pkgFlags | ApplicationInfo.FLAG_IS_DATA_ONLY; 3159 pkg.applicationInfo.privateFlags = ps.pkgPrivateFlags; 3160 pkg.applicationInfo.uid = ps.appId; 3161 pkg.applicationInfo.initForUser(userId); 3162 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 3163 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 3164 } 3165 return generatePackageInfo(pkg, flags, userId); 3166 } 3167 return null; 3168 } 3169 3170 @Override 3171 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 3172 if (!sUserManager.exists(userId)) return null; 3173 flags = updateFlagsForApplication(flags, userId, packageName); 3174 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3175 false /* requireFullPermission */, false /* checkShell */, "get application info"); 3176 // writer 3177 synchronized (mPackages) { 3178 PackageParser.Package p = mPackages.get(packageName); 3179 if (DEBUG_PACKAGE_INFO) Log.v( 3180 TAG, "getApplicationInfo " + packageName 3181 + ": " + p); 3182 if (p != null) { 3183 PackageSetting ps = mSettings.mPackages.get(packageName); 3184 if (ps == null) return null; 3185 // Note: isEnabledLP() does not apply here - always return info 3186 return PackageParser.generateApplicationInfo( 3187 p, flags, ps.readUserState(userId), userId); 3188 } 3189 if ("android".equals(packageName)||"system".equals(packageName)) { 3190 return mAndroidApplication; 3191 } 3192 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3193 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 3194 } 3195 } 3196 return null; 3197 } 3198 3199 @Override 3200 public void freeStorageAndNotify(final String volumeUuid, final long freeStorageSize, 3201 final IPackageDataObserver observer) { 3202 mContext.enforceCallingOrSelfPermission( 3203 android.Manifest.permission.CLEAR_APP_CACHE, null); 3204 // Queue up an async operation since clearing cache may take a little while. 3205 mHandler.post(new Runnable() { 3206 public void run() { 3207 mHandler.removeCallbacks(this); 3208 boolean success = true; 3209 synchronized (mInstallLock) { 3210 try { 3211 mInstaller.freeCache(volumeUuid, freeStorageSize); 3212 } catch (InstallerException e) { 3213 Slog.w(TAG, "Couldn't clear application caches: " + e); 3214 success = false; 3215 } 3216 } 3217 if (observer != null) { 3218 try { 3219 observer.onRemoveCompleted(null, success); 3220 } catch (RemoteException e) { 3221 Slog.w(TAG, "RemoveException when invoking call back"); 3222 } 3223 } 3224 } 3225 }); 3226 } 3227 3228 @Override 3229 public void freeStorage(final String volumeUuid, final long freeStorageSize, 3230 final IntentSender pi) { 3231 mContext.enforceCallingOrSelfPermission( 3232 android.Manifest.permission.CLEAR_APP_CACHE, null); 3233 // Queue up an async operation since clearing cache may take a little while. 3234 mHandler.post(new Runnable() { 3235 public void run() { 3236 mHandler.removeCallbacks(this); 3237 boolean success = true; 3238 synchronized (mInstallLock) { 3239 try { 3240 mInstaller.freeCache(volumeUuid, freeStorageSize); 3241 } catch (InstallerException e) { 3242 Slog.w(TAG, "Couldn't clear application caches: " + e); 3243 success = false; 3244 } 3245 } 3246 if(pi != null) { 3247 try { 3248 // Callback via pending intent 3249 int code = success ? 1 : 0; 3250 pi.sendIntent(null, code, null, 3251 null, null); 3252 } catch (SendIntentException e1) { 3253 Slog.i(TAG, "Failed to send pending intent"); 3254 } 3255 } 3256 } 3257 }); 3258 } 3259 3260 void freeStorage(String volumeUuid, long freeStorageSize) throws IOException { 3261 synchronized (mInstallLock) { 3262 try { 3263 mInstaller.freeCache(volumeUuid, freeStorageSize); 3264 } catch (InstallerException e) { 3265 throw new IOException("Failed to free enough space", e); 3266 } 3267 } 3268 } 3269 3270 /** 3271 * Return if the user key is currently unlocked. 3272 */ 3273 private boolean isUserKeyUnlocked(int userId) { 3274 if (StorageManager.isFileEncryptedNativeOrEmulated()) { 3275 final IMountService mount = IMountService.Stub 3276 .asInterface(ServiceManager.getService("mount")); 3277 if (mount == null) { 3278 Slog.w(TAG, "Early during boot, assuming locked"); 3279 return false; 3280 } 3281 final long token = Binder.clearCallingIdentity(); 3282 try { 3283 return mount.isUserKeyUnlocked(userId); 3284 } catch (RemoteException e) { 3285 throw e.rethrowAsRuntimeException(); 3286 } finally { 3287 Binder.restoreCallingIdentity(token); 3288 } 3289 } else { 3290 return true; 3291 } 3292 } 3293 3294 /** 3295 * Update given flags based on encryption status of current user. 3296 */ 3297 private int updateFlags(int flags, int userId) { 3298 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3299 | PackageManager.MATCH_DIRECT_BOOT_AWARE)) != 0) { 3300 // Caller expressed an explicit opinion about what encryption 3301 // aware/unaware components they want to see, so fall through and 3302 // give them what they want 3303 } else { 3304 // Caller expressed no opinion, so match based on user state 3305 if (isUserKeyUnlocked(userId)) { 3306 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE; 3307 } else { 3308 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE; 3309 } 3310 } 3311 return flags; 3312 } 3313 3314 /** 3315 * Update given flags when being used to request {@link PackageInfo}. 3316 */ 3317 private int updateFlagsForPackage(int flags, int userId, Object cookie) { 3318 boolean triaged = true; 3319 if ((flags & (PackageManager.GET_ACTIVITIES | PackageManager.GET_RECEIVERS 3320 | PackageManager.GET_SERVICES | PackageManager.GET_PROVIDERS)) != 0) { 3321 // Caller is asking for component details, so they'd better be 3322 // asking for specific encryption matching behavior, or be triaged 3323 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3324 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3325 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3326 triaged = false; 3327 } 3328 } 3329 if ((flags & (PackageManager.MATCH_UNINSTALLED_PACKAGES 3330 | PackageManager.MATCH_SYSTEM_ONLY 3331 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3332 triaged = false; 3333 } 3334 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3335 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3336 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3337 } 3338 return updateFlags(flags, userId); 3339 } 3340 3341 /** 3342 * Update given flags when being used to request {@link ApplicationInfo}. 3343 */ 3344 private int updateFlagsForApplication(int flags, int userId, Object cookie) { 3345 return updateFlagsForPackage(flags, userId, cookie); 3346 } 3347 3348 /** 3349 * Update given flags when being used to request {@link ComponentInfo}. 3350 */ 3351 private int updateFlagsForComponent(int flags, int userId, Object cookie) { 3352 if (cookie instanceof Intent) { 3353 if ((((Intent) cookie).getFlags() & Intent.FLAG_DEBUG_TRIAGED_MISSING) != 0) { 3354 flags |= PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 3355 } 3356 } 3357 3358 boolean triaged = true; 3359 // Caller is asking for component details, so they'd better be 3360 // asking for specific encryption matching behavior, or be triaged 3361 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3362 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3363 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3364 triaged = false; 3365 } 3366 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3367 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3368 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3369 } 3370 3371 return updateFlags(flags, userId); 3372 } 3373 3374 /** 3375 * Update given flags when being used to request {@link ResolveInfo}. 3376 */ 3377 int updateFlagsForResolve(int flags, int userId, Object cookie) { 3378 // Safe mode means we shouldn't match any third-party components 3379 if (mSafeMode) { 3380 flags |= PackageManager.MATCH_SYSTEM_ONLY; 3381 } 3382 3383 return updateFlagsForComponent(flags, userId, cookie); 3384 } 3385 3386 @Override 3387 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 3388 if (!sUserManager.exists(userId)) return null; 3389 flags = updateFlagsForComponent(flags, userId, component); 3390 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3391 false /* requireFullPermission */, false /* checkShell */, "get activity info"); 3392 synchronized (mPackages) { 3393 PackageParser.Activity a = mActivities.mActivities.get(component); 3394 3395 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 3396 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3397 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3398 if (ps == null) return null; 3399 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3400 userId); 3401 } 3402 if (mResolveComponentName.equals(component)) { 3403 return PackageParser.generateActivityInfo(mResolveActivity, flags, 3404 new PackageUserState(), userId); 3405 } 3406 } 3407 return null; 3408 } 3409 3410 @Override 3411 public boolean activitySupportsIntent(ComponentName component, Intent intent, 3412 String resolvedType) { 3413 synchronized (mPackages) { 3414 if (component.equals(mResolveComponentName)) { 3415 // The resolver supports EVERYTHING! 3416 return true; 3417 } 3418 PackageParser.Activity a = mActivities.mActivities.get(component); 3419 if (a == null) { 3420 return false; 3421 } 3422 for (int i=0; i<a.intents.size(); i++) { 3423 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 3424 intent.getData(), intent.getCategories(), TAG) >= 0) { 3425 return true; 3426 } 3427 } 3428 return false; 3429 } 3430 } 3431 3432 @Override 3433 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 3434 if (!sUserManager.exists(userId)) return null; 3435 flags = updateFlagsForComponent(flags, userId, component); 3436 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3437 false /* requireFullPermission */, false /* checkShell */, "get receiver info"); 3438 synchronized (mPackages) { 3439 PackageParser.Activity a = mReceivers.mActivities.get(component); 3440 if (DEBUG_PACKAGE_INFO) Log.v( 3441 TAG, "getReceiverInfo " + component + ": " + a); 3442 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3443 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3444 if (ps == null) return null; 3445 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3446 userId); 3447 } 3448 } 3449 return null; 3450 } 3451 3452 @Override 3453 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 3454 if (!sUserManager.exists(userId)) return null; 3455 flags = updateFlagsForComponent(flags, userId, component); 3456 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3457 false /* requireFullPermission */, false /* checkShell */, "get service info"); 3458 synchronized (mPackages) { 3459 PackageParser.Service s = mServices.mServices.get(component); 3460 if (DEBUG_PACKAGE_INFO) Log.v( 3461 TAG, "getServiceInfo " + component + ": " + s); 3462 if (s != null && mSettings.isEnabledAndMatchLPr(s.info, flags, userId)) { 3463 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3464 if (ps == null) return null; 3465 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 3466 userId); 3467 } 3468 } 3469 return null; 3470 } 3471 3472 @Override 3473 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 3474 if (!sUserManager.exists(userId)) return null; 3475 flags = updateFlagsForComponent(flags, userId, component); 3476 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3477 false /* requireFullPermission */, false /* checkShell */, "get provider info"); 3478 synchronized (mPackages) { 3479 PackageParser.Provider p = mProviders.mProviders.get(component); 3480 if (DEBUG_PACKAGE_INFO) Log.v( 3481 TAG, "getProviderInfo " + component + ": " + p); 3482 if (p != null && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 3483 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3484 if (ps == null) return null; 3485 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 3486 userId); 3487 } 3488 } 3489 return null; 3490 } 3491 3492 @Override 3493 public String[] getSystemSharedLibraryNames() { 3494 Set<String> libSet; 3495 synchronized (mPackages) { 3496 libSet = mSharedLibraries.keySet(); 3497 int size = libSet.size(); 3498 if (size > 0) { 3499 String[] libs = new String[size]; 3500 libSet.toArray(libs); 3501 return libs; 3502 } 3503 } 3504 return null; 3505 } 3506 3507 @Override 3508 public @Nullable String getServicesSystemSharedLibraryPackageName() { 3509 synchronized (mPackages) { 3510 SharedLibraryEntry libraryEntry = mSharedLibraries.get( 3511 PackageManager.SYSTEM_SHARED_LIBRARY_SERVICES); 3512 if (libraryEntry != null) { 3513 return libraryEntry.apk; 3514 } 3515 } 3516 return null; 3517 } 3518 3519 @Override 3520 public @NonNull ParceledListSlice<FeatureInfo> getSystemAvailableFeatures() { 3521 synchronized (mPackages) { 3522 final ArrayList<FeatureInfo> res = new ArrayList<>(mAvailableFeatures.values()); 3523 3524 final FeatureInfo fi = new FeatureInfo(); 3525 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 3526 FeatureInfo.GL_ES_VERSION_UNDEFINED); 3527 res.add(fi); 3528 3529 return new ParceledListSlice<>(res); 3530 } 3531 } 3532 3533 @Override 3534 public boolean hasSystemFeature(String name, int version) { 3535 synchronized (mPackages) { 3536 final FeatureInfo feat = mAvailableFeatures.get(name); 3537 if (feat == null) { 3538 return false; 3539 } else { 3540 return feat.version >= version; 3541 } 3542 } 3543 } 3544 3545 @Override 3546 public int checkPermission(String permName, String pkgName, int userId) { 3547 if (!sUserManager.exists(userId)) { 3548 return PackageManager.PERMISSION_DENIED; 3549 } 3550 3551 synchronized (mPackages) { 3552 final PackageParser.Package p = mPackages.get(pkgName); 3553 if (p != null && p.mExtras != null) { 3554 final PackageSetting ps = (PackageSetting) p.mExtras; 3555 final PermissionsState permissionsState = ps.getPermissionsState(); 3556 if (permissionsState.hasPermission(permName, userId)) { 3557 return PackageManager.PERMISSION_GRANTED; 3558 } 3559 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3560 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3561 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3562 return PackageManager.PERMISSION_GRANTED; 3563 } 3564 } 3565 } 3566 3567 return PackageManager.PERMISSION_DENIED; 3568 } 3569 3570 @Override 3571 public int checkUidPermission(String permName, int uid) { 3572 final int userId = UserHandle.getUserId(uid); 3573 3574 if (!sUserManager.exists(userId)) { 3575 return PackageManager.PERMISSION_DENIED; 3576 } 3577 3578 synchronized (mPackages) { 3579 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 3580 if (obj != null) { 3581 final SettingBase ps = (SettingBase) obj; 3582 final PermissionsState permissionsState = ps.getPermissionsState(); 3583 if (permissionsState.hasPermission(permName, userId)) { 3584 return PackageManager.PERMISSION_GRANTED; 3585 } 3586 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3587 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3588 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3589 return PackageManager.PERMISSION_GRANTED; 3590 } 3591 } else { 3592 ArraySet<String> perms = mSystemPermissions.get(uid); 3593 if (perms != null) { 3594 if (perms.contains(permName)) { 3595 return PackageManager.PERMISSION_GRANTED; 3596 } 3597 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && perms 3598 .contains(Manifest.permission.ACCESS_FINE_LOCATION)) { 3599 return PackageManager.PERMISSION_GRANTED; 3600 } 3601 } 3602 } 3603 } 3604 3605 return PackageManager.PERMISSION_DENIED; 3606 } 3607 3608 @Override 3609 public boolean isPermissionRevokedByPolicy(String permission, String packageName, int userId) { 3610 if (UserHandle.getCallingUserId() != userId) { 3611 mContext.enforceCallingPermission( 3612 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 3613 "isPermissionRevokedByPolicy for user " + userId); 3614 } 3615 3616 if (checkPermission(permission, packageName, userId) 3617 == PackageManager.PERMISSION_GRANTED) { 3618 return false; 3619 } 3620 3621 final long identity = Binder.clearCallingIdentity(); 3622 try { 3623 final int flags = getPermissionFlags(permission, packageName, userId); 3624 return (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0; 3625 } finally { 3626 Binder.restoreCallingIdentity(identity); 3627 } 3628 } 3629 3630 @Override 3631 public String getPermissionControllerPackageName() { 3632 synchronized (mPackages) { 3633 return mRequiredInstallerPackage; 3634 } 3635 } 3636 3637 /** 3638 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 3639 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 3640 * @param checkShell whether to prevent shell from access if there's a debugging restriction 3641 * @param message the message to log on security exception 3642 */ 3643 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 3644 boolean checkShell, String message) { 3645 if (userId < 0) { 3646 throw new IllegalArgumentException("Invalid userId " + userId); 3647 } 3648 if (checkShell) { 3649 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, userId); 3650 } 3651 if (userId == UserHandle.getUserId(callingUid)) return; 3652 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 3653 if (requireFullPermission) { 3654 mContext.enforceCallingOrSelfPermission( 3655 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3656 } else { 3657 try { 3658 mContext.enforceCallingOrSelfPermission( 3659 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3660 } catch (SecurityException se) { 3661 mContext.enforceCallingOrSelfPermission( 3662 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 3663 } 3664 } 3665 } 3666 } 3667 3668 void enforceShellRestriction(String restriction, int callingUid, int userHandle) { 3669 if (callingUid == Process.SHELL_UID) { 3670 if (userHandle >= 0 3671 && sUserManager.hasUserRestriction(restriction, userHandle)) { 3672 throw new SecurityException("Shell does not have permission to access user " 3673 + userHandle); 3674 } else if (userHandle < 0) { 3675 Slog.e(TAG, "Unable to check shell permission for user " + userHandle + "\n\t" 3676 + Debug.getCallers(3)); 3677 } 3678 } 3679 } 3680 3681 private BasePermission findPermissionTreeLP(String permName) { 3682 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 3683 if (permName.startsWith(bp.name) && 3684 permName.length() > bp.name.length() && 3685 permName.charAt(bp.name.length()) == '.') { 3686 return bp; 3687 } 3688 } 3689 return null; 3690 } 3691 3692 private BasePermission checkPermissionTreeLP(String permName) { 3693 if (permName != null) { 3694 BasePermission bp = findPermissionTreeLP(permName); 3695 if (bp != null) { 3696 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 3697 return bp; 3698 } 3699 throw new SecurityException("Calling uid " 3700 + Binder.getCallingUid() 3701 + " is not allowed to add to permission tree " 3702 + bp.name + " owned by uid " + bp.uid); 3703 } 3704 } 3705 throw new SecurityException("No permission tree found for " + permName); 3706 } 3707 3708 static boolean compareStrings(CharSequence s1, CharSequence s2) { 3709 if (s1 == null) { 3710 return s2 == null; 3711 } 3712 if (s2 == null) { 3713 return false; 3714 } 3715 if (s1.getClass() != s2.getClass()) { 3716 return false; 3717 } 3718 return s1.equals(s2); 3719 } 3720 3721 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 3722 if (pi1.icon != pi2.icon) return false; 3723 if (pi1.logo != pi2.logo) return false; 3724 if (pi1.protectionLevel != pi2.protectionLevel) return false; 3725 if (!compareStrings(pi1.name, pi2.name)) return false; 3726 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 3727 // We'll take care of setting this one. 3728 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 3729 // These are not currently stored in settings. 3730 //if (!compareStrings(pi1.group, pi2.group)) return false; 3731 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 3732 //if (pi1.labelRes != pi2.labelRes) return false; 3733 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 3734 return true; 3735 } 3736 3737 int permissionInfoFootprint(PermissionInfo info) { 3738 int size = info.name.length(); 3739 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 3740 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 3741 return size; 3742 } 3743 3744 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 3745 int size = 0; 3746 for (BasePermission perm : mSettings.mPermissions.values()) { 3747 if (perm.uid == tree.uid) { 3748 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 3749 } 3750 } 3751 return size; 3752 } 3753 3754 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 3755 // We calculate the max size of permissions defined by this uid and throw 3756 // if that plus the size of 'info' would exceed our stated maximum. 3757 if (tree.uid != Process.SYSTEM_UID) { 3758 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 3759 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 3760 throw new SecurityException("Permission tree size cap exceeded"); 3761 } 3762 } 3763 } 3764 3765 boolean addPermissionLocked(PermissionInfo info, boolean async) { 3766 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 3767 throw new SecurityException("Label must be specified in permission"); 3768 } 3769 BasePermission tree = checkPermissionTreeLP(info.name); 3770 BasePermission bp = mSettings.mPermissions.get(info.name); 3771 boolean added = bp == null; 3772 boolean changed = true; 3773 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 3774 if (added) { 3775 enforcePermissionCapLocked(info, tree); 3776 bp = new BasePermission(info.name, tree.sourcePackage, 3777 BasePermission.TYPE_DYNAMIC); 3778 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 3779 throw new SecurityException( 3780 "Not allowed to modify non-dynamic permission " 3781 + info.name); 3782 } else { 3783 if (bp.protectionLevel == fixedLevel 3784 && bp.perm.owner.equals(tree.perm.owner) 3785 && bp.uid == tree.uid 3786 && comparePermissionInfos(bp.perm.info, info)) { 3787 changed = false; 3788 } 3789 } 3790 bp.protectionLevel = fixedLevel; 3791 info = new PermissionInfo(info); 3792 info.protectionLevel = fixedLevel; 3793 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 3794 bp.perm.info.packageName = tree.perm.info.packageName; 3795 bp.uid = tree.uid; 3796 if (added) { 3797 mSettings.mPermissions.put(info.name, bp); 3798 } 3799 if (changed) { 3800 if (!async) { 3801 mSettings.writeLPr(); 3802 } else { 3803 scheduleWriteSettingsLocked(); 3804 } 3805 } 3806 return added; 3807 } 3808 3809 @Override 3810 public boolean addPermission(PermissionInfo info) { 3811 synchronized (mPackages) { 3812 return addPermissionLocked(info, false); 3813 } 3814 } 3815 3816 @Override 3817 public boolean addPermissionAsync(PermissionInfo info) { 3818 synchronized (mPackages) { 3819 return addPermissionLocked(info, true); 3820 } 3821 } 3822 3823 @Override 3824 public void removePermission(String name) { 3825 synchronized (mPackages) { 3826 checkPermissionTreeLP(name); 3827 BasePermission bp = mSettings.mPermissions.get(name); 3828 if (bp != null) { 3829 if (bp.type != BasePermission.TYPE_DYNAMIC) { 3830 throw new SecurityException( 3831 "Not allowed to modify non-dynamic permission " 3832 + name); 3833 } 3834 mSettings.mPermissions.remove(name); 3835 mSettings.writeLPr(); 3836 } 3837 } 3838 } 3839 3840 private static void enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(PackageParser.Package pkg, 3841 BasePermission bp) { 3842 int index = pkg.requestedPermissions.indexOf(bp.name); 3843 if (index == -1) { 3844 throw new SecurityException("Package " + pkg.packageName 3845 + " has not requested permission " + bp.name); 3846 } 3847 if (!bp.isRuntime() && !bp.isDevelopment()) { 3848 throw new SecurityException("Permission " + bp.name 3849 + " is not a changeable permission type"); 3850 } 3851 } 3852 3853 @Override 3854 public void grantRuntimePermission(String packageName, String name, final int userId) { 3855 if (!sUserManager.exists(userId)) { 3856 Log.e(TAG, "No such user:" + userId); 3857 return; 3858 } 3859 3860 mContext.enforceCallingOrSelfPermission( 3861 android.Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 3862 "grantRuntimePermission"); 3863 3864 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3865 true /* requireFullPermission */, true /* checkShell */, 3866 "grantRuntimePermission"); 3867 3868 final int uid; 3869 final SettingBase sb; 3870 3871 synchronized (mPackages) { 3872 final PackageParser.Package pkg = mPackages.get(packageName); 3873 if (pkg == null) { 3874 throw new IllegalArgumentException("Unknown package: " + packageName); 3875 } 3876 3877 final BasePermission bp = mSettings.mPermissions.get(name); 3878 if (bp == null) { 3879 throw new IllegalArgumentException("Unknown permission: " + name); 3880 } 3881 3882 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 3883 3884 // If a permission review is required for legacy apps we represent 3885 // their permissions as always granted runtime ones since we need 3886 // to keep the review required permission flag per user while an 3887 // install permission's state is shared across all users. 3888 if (Build.PERMISSIONS_REVIEW_REQUIRED 3889 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 3890 && bp.isRuntime()) { 3891 return; 3892 } 3893 3894 uid = UserHandle.getUid(userId, pkg.applicationInfo.uid); 3895 sb = (SettingBase) pkg.mExtras; 3896 if (sb == null) { 3897 throw new IllegalArgumentException("Unknown package: " + packageName); 3898 } 3899 3900 final PermissionsState permissionsState = sb.getPermissionsState(); 3901 3902 final int flags = permissionsState.getPermissionFlags(name, userId); 3903 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 3904 throw new SecurityException("Cannot grant system fixed permission " 3905 + name + " for package " + packageName); 3906 } 3907 3908 if (bp.isDevelopment()) { 3909 // Development permissions must be handled specially, since they are not 3910 // normal runtime permissions. For now they apply to all users. 3911 if (permissionsState.grantInstallPermission(bp) != 3912 PermissionsState.PERMISSION_OPERATION_FAILURE) { 3913 scheduleWriteSettingsLocked(); 3914 } 3915 return; 3916 } 3917 3918 if (pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 3919 Slog.w(TAG, "Cannot grant runtime permission to a legacy app"); 3920 return; 3921 } 3922 3923 final int result = permissionsState.grantRuntimePermission(bp, userId); 3924 switch (result) { 3925 case PermissionsState.PERMISSION_OPERATION_FAILURE: { 3926 return; 3927 } 3928 3929 case PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 3930 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 3931 mHandler.post(new Runnable() { 3932 @Override 3933 public void run() { 3934 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 3935 } 3936 }); 3937 } 3938 break; 3939 } 3940 3941 mOnPermissionChangeListeners.onPermissionsChanged(uid); 3942 3943 // Not critical if that is lost - app has to request again. 3944 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 3945 } 3946 3947 // Only need to do this if user is initialized. Otherwise it's a new user 3948 // and there are no processes running as the user yet and there's no need 3949 // to make an expensive call to remount processes for the changed permissions. 3950 if (READ_EXTERNAL_STORAGE.equals(name) 3951 || WRITE_EXTERNAL_STORAGE.equals(name)) { 3952 final long token = Binder.clearCallingIdentity(); 3953 try { 3954 if (sUserManager.isInitialized(userId)) { 3955 MountServiceInternal mountServiceInternal = LocalServices.getService( 3956 MountServiceInternal.class); 3957 mountServiceInternal.onExternalStoragePolicyChanged(uid, packageName); 3958 } 3959 } finally { 3960 Binder.restoreCallingIdentity(token); 3961 } 3962 } 3963 } 3964 3965 @Override 3966 public void revokeRuntimePermission(String packageName, String name, int userId) { 3967 if (!sUserManager.exists(userId)) { 3968 Log.e(TAG, "No such user:" + userId); 3969 return; 3970 } 3971 3972 mContext.enforceCallingOrSelfPermission( 3973 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 3974 "revokeRuntimePermission"); 3975 3976 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3977 true /* requireFullPermission */, true /* checkShell */, 3978 "revokeRuntimePermission"); 3979 3980 final int appId; 3981 3982 synchronized (mPackages) { 3983 final PackageParser.Package pkg = mPackages.get(packageName); 3984 if (pkg == null) { 3985 throw new IllegalArgumentException("Unknown package: " + packageName); 3986 } 3987 3988 final BasePermission bp = mSettings.mPermissions.get(name); 3989 if (bp == null) { 3990 throw new IllegalArgumentException("Unknown permission: " + name); 3991 } 3992 3993 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 3994 3995 // If a permission review is required for legacy apps we represent 3996 // their permissions as always granted runtime ones since we need 3997 // to keep the review required permission flag per user while an 3998 // install permission's state is shared across all users. 3999 if (Build.PERMISSIONS_REVIEW_REQUIRED 4000 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 4001 && bp.isRuntime()) { 4002 return; 4003 } 4004 4005 SettingBase sb = (SettingBase) pkg.mExtras; 4006 if (sb == null) { 4007 throw new IllegalArgumentException("Unknown package: " + packageName); 4008 } 4009 4010 final PermissionsState permissionsState = sb.getPermissionsState(); 4011 4012 final int flags = permissionsState.getPermissionFlags(name, userId); 4013 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4014 throw new SecurityException("Cannot revoke system fixed permission " 4015 + name + " for package " + packageName); 4016 } 4017 4018 if (bp.isDevelopment()) { 4019 // Development permissions must be handled specially, since they are not 4020 // normal runtime permissions. For now they apply to all users. 4021 if (permissionsState.revokeInstallPermission(bp) != 4022 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4023 scheduleWriteSettingsLocked(); 4024 } 4025 return; 4026 } 4027 4028 if (permissionsState.revokeRuntimePermission(bp, userId) == 4029 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4030 return; 4031 } 4032 4033 mOnPermissionChangeListeners.onPermissionsChanged(pkg.applicationInfo.uid); 4034 4035 // Critical, after this call app should never have the permission. 4036 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 4037 4038 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4039 } 4040 4041 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 4042 } 4043 4044 @Override 4045 public void resetRuntimePermissions() { 4046 mContext.enforceCallingOrSelfPermission( 4047 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4048 "revokeRuntimePermission"); 4049 4050 int callingUid = Binder.getCallingUid(); 4051 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 4052 mContext.enforceCallingOrSelfPermission( 4053 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4054 "resetRuntimePermissions"); 4055 } 4056 4057 synchronized (mPackages) { 4058 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL); 4059 for (int userId : UserManagerService.getInstance().getUserIds()) { 4060 final int packageCount = mPackages.size(); 4061 for (int i = 0; i < packageCount; i++) { 4062 PackageParser.Package pkg = mPackages.valueAt(i); 4063 if (!(pkg.mExtras instanceof PackageSetting)) { 4064 continue; 4065 } 4066 PackageSetting ps = (PackageSetting) pkg.mExtras; 4067 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 4068 } 4069 } 4070 } 4071 } 4072 4073 @Override 4074 public int getPermissionFlags(String name, String packageName, int userId) { 4075 if (!sUserManager.exists(userId)) { 4076 return 0; 4077 } 4078 4079 enforceGrantRevokeRuntimePermissionPermissions("getPermissionFlags"); 4080 4081 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4082 true /* requireFullPermission */, false /* checkShell */, 4083 "getPermissionFlags"); 4084 4085 synchronized (mPackages) { 4086 final PackageParser.Package pkg = mPackages.get(packageName); 4087 if (pkg == null) { 4088 throw new IllegalArgumentException("Unknown package: " + packageName); 4089 } 4090 4091 final BasePermission bp = mSettings.mPermissions.get(name); 4092 if (bp == null) { 4093 throw new IllegalArgumentException("Unknown permission: " + name); 4094 } 4095 4096 SettingBase sb = (SettingBase) pkg.mExtras; 4097 if (sb == null) { 4098 throw new IllegalArgumentException("Unknown package: " + packageName); 4099 } 4100 4101 PermissionsState permissionsState = sb.getPermissionsState(); 4102 return permissionsState.getPermissionFlags(name, userId); 4103 } 4104 } 4105 4106 @Override 4107 public void updatePermissionFlags(String name, String packageName, int flagMask, 4108 int flagValues, int userId) { 4109 if (!sUserManager.exists(userId)) { 4110 return; 4111 } 4112 4113 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlags"); 4114 4115 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4116 true /* requireFullPermission */, true /* checkShell */, 4117 "updatePermissionFlags"); 4118 4119 // Only the system can change these flags and nothing else. 4120 if (getCallingUid() != Process.SYSTEM_UID) { 4121 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4122 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4123 flagMask &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4124 flagValues &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4125 flagValues &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 4126 } 4127 4128 synchronized (mPackages) { 4129 final PackageParser.Package pkg = mPackages.get(packageName); 4130 if (pkg == null) { 4131 throw new IllegalArgumentException("Unknown package: " + packageName); 4132 } 4133 4134 final BasePermission bp = mSettings.mPermissions.get(name); 4135 if (bp == null) { 4136 throw new IllegalArgumentException("Unknown permission: " + name); 4137 } 4138 4139 SettingBase sb = (SettingBase) pkg.mExtras; 4140 if (sb == null) { 4141 throw new IllegalArgumentException("Unknown package: " + packageName); 4142 } 4143 4144 PermissionsState permissionsState = sb.getPermissionsState(); 4145 4146 boolean hadState = permissionsState.getRuntimePermissionState(name, userId) != null; 4147 4148 if (permissionsState.updatePermissionFlags(bp, userId, flagMask, flagValues)) { 4149 // Install and runtime permissions are stored in different places, 4150 // so figure out what permission changed and persist the change. 4151 if (permissionsState.getInstallPermissionState(name) != null) { 4152 scheduleWriteSettingsLocked(); 4153 } else if (permissionsState.getRuntimePermissionState(name, userId) != null 4154 || hadState) { 4155 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4156 } 4157 } 4158 } 4159 } 4160 4161 /** 4162 * Update the permission flags for all packages and runtime permissions of a user in order 4163 * to allow device or profile owner to remove POLICY_FIXED. 4164 */ 4165 @Override 4166 public void updatePermissionFlagsForAllApps(int flagMask, int flagValues, int userId) { 4167 if (!sUserManager.exists(userId)) { 4168 return; 4169 } 4170 4171 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlagsForAllApps"); 4172 4173 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4174 true /* requireFullPermission */, true /* checkShell */, 4175 "updatePermissionFlagsForAllApps"); 4176 4177 // Only the system can change system fixed flags. 4178 if (getCallingUid() != Process.SYSTEM_UID) { 4179 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4180 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4181 } 4182 4183 synchronized (mPackages) { 4184 boolean changed = false; 4185 final int packageCount = mPackages.size(); 4186 for (int pkgIndex = 0; pkgIndex < packageCount; pkgIndex++) { 4187 final PackageParser.Package pkg = mPackages.valueAt(pkgIndex); 4188 SettingBase sb = (SettingBase) pkg.mExtras; 4189 if (sb == null) { 4190 continue; 4191 } 4192 PermissionsState permissionsState = sb.getPermissionsState(); 4193 changed |= permissionsState.updatePermissionFlagsForAllPermissions( 4194 userId, flagMask, flagValues); 4195 } 4196 if (changed) { 4197 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4198 } 4199 } 4200 } 4201 4202 private void enforceGrantRevokeRuntimePermissionPermissions(String message) { 4203 if (mContext.checkCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS) 4204 != PackageManager.PERMISSION_GRANTED 4205 && mContext.checkCallingOrSelfPermission(Manifest.permission.REVOKE_RUNTIME_PERMISSIONS) 4206 != PackageManager.PERMISSION_GRANTED) { 4207 throw new SecurityException(message + " requires " 4208 + Manifest.permission.GRANT_RUNTIME_PERMISSIONS + " or " 4209 + Manifest.permission.REVOKE_RUNTIME_PERMISSIONS); 4210 } 4211 } 4212 4213 @Override 4214 public boolean shouldShowRequestPermissionRationale(String permissionName, 4215 String packageName, int userId) { 4216 if (UserHandle.getCallingUserId() != userId) { 4217 mContext.enforceCallingPermission( 4218 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4219 "canShowRequestPermissionRationale for user " + userId); 4220 } 4221 4222 final int uid = getPackageUid(packageName, MATCH_DEBUG_TRIAGED_MISSING, userId); 4223 if (UserHandle.getAppId(getCallingUid()) != UserHandle.getAppId(uid)) { 4224 return false; 4225 } 4226 4227 if (checkPermission(permissionName, packageName, userId) 4228 == PackageManager.PERMISSION_GRANTED) { 4229 return false; 4230 } 4231 4232 final int flags; 4233 4234 final long identity = Binder.clearCallingIdentity(); 4235 try { 4236 flags = getPermissionFlags(permissionName, 4237 packageName, userId); 4238 } finally { 4239 Binder.restoreCallingIdentity(identity); 4240 } 4241 4242 final int fixedFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 4243 | PackageManager.FLAG_PERMISSION_POLICY_FIXED 4244 | PackageManager.FLAG_PERMISSION_USER_FIXED; 4245 4246 if ((flags & fixedFlags) != 0) { 4247 return false; 4248 } 4249 4250 return (flags & PackageManager.FLAG_PERMISSION_USER_SET) != 0; 4251 } 4252 4253 @Override 4254 public void addOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4255 mContext.enforceCallingOrSelfPermission( 4256 Manifest.permission.OBSERVE_GRANT_REVOKE_PERMISSIONS, 4257 "addOnPermissionsChangeListener"); 4258 4259 synchronized (mPackages) { 4260 mOnPermissionChangeListeners.addListenerLocked(listener); 4261 } 4262 } 4263 4264 @Override 4265 public void removeOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4266 synchronized (mPackages) { 4267 mOnPermissionChangeListeners.removeListenerLocked(listener); 4268 } 4269 } 4270 4271 @Override 4272 public boolean isProtectedBroadcast(String actionName) { 4273 synchronized (mPackages) { 4274 if (mProtectedBroadcasts.contains(actionName)) { 4275 return true; 4276 } else if (actionName != null) { 4277 // TODO: remove these terrible hacks 4278 if (actionName.startsWith("android.net.netmon.lingerExpired") 4279 || actionName.startsWith("com.android.server.sip.SipWakeupTimer") 4280 || actionName.startsWith("com.android.internal.telephony.data-reconnect") 4281 || actionName.startsWith("android.net.netmon.launchCaptivePortalApp")) { 4282 return true; 4283 } 4284 } 4285 } 4286 return false; 4287 } 4288 4289 @Override 4290 public int checkSignatures(String pkg1, String pkg2) { 4291 synchronized (mPackages) { 4292 final PackageParser.Package p1 = mPackages.get(pkg1); 4293 final PackageParser.Package p2 = mPackages.get(pkg2); 4294 if (p1 == null || p1.mExtras == null 4295 || p2 == null || p2.mExtras == null) { 4296 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4297 } 4298 return compareSignatures(p1.mSignatures, p2.mSignatures); 4299 } 4300 } 4301 4302 @Override 4303 public int checkUidSignatures(int uid1, int uid2) { 4304 // Map to base uids. 4305 uid1 = UserHandle.getAppId(uid1); 4306 uid2 = UserHandle.getAppId(uid2); 4307 // reader 4308 synchronized (mPackages) { 4309 Signature[] s1; 4310 Signature[] s2; 4311 Object obj = mSettings.getUserIdLPr(uid1); 4312 if (obj != null) { 4313 if (obj instanceof SharedUserSetting) { 4314 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 4315 } else if (obj instanceof PackageSetting) { 4316 s1 = ((PackageSetting)obj).signatures.mSignatures; 4317 } else { 4318 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4319 } 4320 } else { 4321 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4322 } 4323 obj = mSettings.getUserIdLPr(uid2); 4324 if (obj != null) { 4325 if (obj instanceof SharedUserSetting) { 4326 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 4327 } else if (obj instanceof PackageSetting) { 4328 s2 = ((PackageSetting)obj).signatures.mSignatures; 4329 } else { 4330 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4331 } 4332 } else { 4333 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4334 } 4335 return compareSignatures(s1, s2); 4336 } 4337 } 4338 4339 private void killUid(int appId, int userId, String reason) { 4340 final long identity = Binder.clearCallingIdentity(); 4341 try { 4342 IActivityManager am = ActivityManagerNative.getDefault(); 4343 if (am != null) { 4344 try { 4345 am.killUid(appId, userId, reason); 4346 } catch (RemoteException e) { 4347 /* ignore - same process */ 4348 } 4349 } 4350 } finally { 4351 Binder.restoreCallingIdentity(identity); 4352 } 4353 } 4354 4355 /** 4356 * Compares two sets of signatures. Returns: 4357 * <br /> 4358 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 4359 * <br /> 4360 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 4361 * <br /> 4362 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 4363 * <br /> 4364 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 4365 * <br /> 4366 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 4367 */ 4368 static int compareSignatures(Signature[] s1, Signature[] s2) { 4369 if (s1 == null) { 4370 return s2 == null 4371 ? PackageManager.SIGNATURE_NEITHER_SIGNED 4372 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 4373 } 4374 4375 if (s2 == null) { 4376 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 4377 } 4378 4379 if (s1.length != s2.length) { 4380 return PackageManager.SIGNATURE_NO_MATCH; 4381 } 4382 4383 // Since both signature sets are of size 1, we can compare without HashSets. 4384 if (s1.length == 1) { 4385 return s1[0].equals(s2[0]) ? 4386 PackageManager.SIGNATURE_MATCH : 4387 PackageManager.SIGNATURE_NO_MATCH; 4388 } 4389 4390 ArraySet<Signature> set1 = new ArraySet<Signature>(); 4391 for (Signature sig : s1) { 4392 set1.add(sig); 4393 } 4394 ArraySet<Signature> set2 = new ArraySet<Signature>(); 4395 for (Signature sig : s2) { 4396 set2.add(sig); 4397 } 4398 // Make sure s2 contains all signatures in s1. 4399 if (set1.equals(set2)) { 4400 return PackageManager.SIGNATURE_MATCH; 4401 } 4402 return PackageManager.SIGNATURE_NO_MATCH; 4403 } 4404 4405 /** 4406 * If the database version for this type of package (internal storage or 4407 * external storage) is less than the version where package signatures 4408 * were updated, return true. 4409 */ 4410 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4411 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4412 return ver.databaseVersion < DatabaseVersion.SIGNATURE_END_ENTITY; 4413 } 4414 4415 /** 4416 * Used for backward compatibility to make sure any packages with 4417 * certificate chains get upgraded to the new style. {@code existingSigs} 4418 * will be in the old format (since they were stored on disk from before the 4419 * system upgrade) and {@code scannedSigs} will be in the newer format. 4420 */ 4421 private int compareSignaturesCompat(PackageSignatures existingSigs, 4422 PackageParser.Package scannedPkg) { 4423 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 4424 return PackageManager.SIGNATURE_NO_MATCH; 4425 } 4426 4427 ArraySet<Signature> existingSet = new ArraySet<Signature>(); 4428 for (Signature sig : existingSigs.mSignatures) { 4429 existingSet.add(sig); 4430 } 4431 ArraySet<Signature> scannedCompatSet = new ArraySet<Signature>(); 4432 for (Signature sig : scannedPkg.mSignatures) { 4433 try { 4434 Signature[] chainSignatures = sig.getChainSignatures(); 4435 for (Signature chainSig : chainSignatures) { 4436 scannedCompatSet.add(chainSig); 4437 } 4438 } catch (CertificateEncodingException e) { 4439 scannedCompatSet.add(sig); 4440 } 4441 } 4442 /* 4443 * Make sure the expanded scanned set contains all signatures in the 4444 * existing one. 4445 */ 4446 if (scannedCompatSet.equals(existingSet)) { 4447 // Migrate the old signatures to the new scheme. 4448 existingSigs.assignSignatures(scannedPkg.mSignatures); 4449 // The new KeySets will be re-added later in the scanning process. 4450 synchronized (mPackages) { 4451 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName); 4452 } 4453 return PackageManager.SIGNATURE_MATCH; 4454 } 4455 return PackageManager.SIGNATURE_NO_MATCH; 4456 } 4457 4458 private boolean isRecoverSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4459 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4460 return ver.databaseVersion < DatabaseVersion.SIGNATURE_MALFORMED_RECOVER; 4461 } 4462 4463 private int compareSignaturesRecover(PackageSignatures existingSigs, 4464 PackageParser.Package scannedPkg) { 4465 if (!isRecoverSignatureUpdateNeeded(scannedPkg)) { 4466 return PackageManager.SIGNATURE_NO_MATCH; 4467 } 4468 4469 String msg = null; 4470 try { 4471 if (Signature.areEffectiveMatch(existingSigs.mSignatures, scannedPkg.mSignatures)) { 4472 logCriticalInfo(Log.INFO, "Recovered effectively matching certificates for " 4473 + scannedPkg.packageName); 4474 return PackageManager.SIGNATURE_MATCH; 4475 } 4476 } catch (CertificateException e) { 4477 msg = e.getMessage(); 4478 } 4479 4480 logCriticalInfo(Log.INFO, 4481 "Failed to recover certificates for " + scannedPkg.packageName + ": " + msg); 4482 return PackageManager.SIGNATURE_NO_MATCH; 4483 } 4484 4485 @Override 4486 public List<String> getAllPackages() { 4487 synchronized (mPackages) { 4488 return new ArrayList<String>(mPackages.keySet()); 4489 } 4490 } 4491 4492 @Override 4493 public String[] getPackagesForUid(int uid) { 4494 uid = UserHandle.getAppId(uid); 4495 // reader 4496 synchronized (mPackages) { 4497 Object obj = mSettings.getUserIdLPr(uid); 4498 if (obj instanceof SharedUserSetting) { 4499 final SharedUserSetting sus = (SharedUserSetting) obj; 4500 final int N = sus.packages.size(); 4501 final String[] res = new String[N]; 4502 final Iterator<PackageSetting> it = sus.packages.iterator(); 4503 int i = 0; 4504 while (it.hasNext()) { 4505 res[i++] = it.next().name; 4506 } 4507 return res; 4508 } else if (obj instanceof PackageSetting) { 4509 final PackageSetting ps = (PackageSetting) obj; 4510 return new String[] { ps.name }; 4511 } 4512 } 4513 return null; 4514 } 4515 4516 @Override 4517 public String getNameForUid(int uid) { 4518 // reader 4519 synchronized (mPackages) { 4520 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4521 if (obj instanceof SharedUserSetting) { 4522 final SharedUserSetting sus = (SharedUserSetting) obj; 4523 return sus.name + ":" + sus.userId; 4524 } else if (obj instanceof PackageSetting) { 4525 final PackageSetting ps = (PackageSetting) obj; 4526 return ps.name; 4527 } 4528 } 4529 return null; 4530 } 4531 4532 @Override 4533 public int getUidForSharedUser(String sharedUserName) { 4534 if(sharedUserName == null) { 4535 return -1; 4536 } 4537 // reader 4538 synchronized (mPackages) { 4539 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, 0, false); 4540 if (suid == null) { 4541 return -1; 4542 } 4543 return suid.userId; 4544 } 4545 } 4546 4547 @Override 4548 public int getFlagsForUid(int uid) { 4549 synchronized (mPackages) { 4550 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4551 if (obj instanceof SharedUserSetting) { 4552 final SharedUserSetting sus = (SharedUserSetting) obj; 4553 return sus.pkgFlags; 4554 } else if (obj instanceof PackageSetting) { 4555 final PackageSetting ps = (PackageSetting) obj; 4556 return ps.pkgFlags; 4557 } 4558 } 4559 return 0; 4560 } 4561 4562 @Override 4563 public int getPrivateFlagsForUid(int uid) { 4564 synchronized (mPackages) { 4565 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4566 if (obj instanceof SharedUserSetting) { 4567 final SharedUserSetting sus = (SharedUserSetting) obj; 4568 return sus.pkgPrivateFlags; 4569 } else if (obj instanceof PackageSetting) { 4570 final PackageSetting ps = (PackageSetting) obj; 4571 return ps.pkgPrivateFlags; 4572 } 4573 } 4574 return 0; 4575 } 4576 4577 @Override 4578 public boolean isUidPrivileged(int uid) { 4579 uid = UserHandle.getAppId(uid); 4580 // reader 4581 synchronized (mPackages) { 4582 Object obj = mSettings.getUserIdLPr(uid); 4583 if (obj instanceof SharedUserSetting) { 4584 final SharedUserSetting sus = (SharedUserSetting) obj; 4585 final Iterator<PackageSetting> it = sus.packages.iterator(); 4586 while (it.hasNext()) { 4587 if (it.next().isPrivileged()) { 4588 return true; 4589 } 4590 } 4591 } else if (obj instanceof PackageSetting) { 4592 final PackageSetting ps = (PackageSetting) obj; 4593 return ps.isPrivileged(); 4594 } 4595 } 4596 return false; 4597 } 4598 4599 @Override 4600 public String[] getAppOpPermissionPackages(String permissionName) { 4601 synchronized (mPackages) { 4602 ArraySet<String> pkgs = mAppOpPermissionPackages.get(permissionName); 4603 if (pkgs == null) { 4604 return null; 4605 } 4606 return pkgs.toArray(new String[pkgs.size()]); 4607 } 4608 } 4609 4610 @Override 4611 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 4612 int flags, int userId) { 4613 if (!sUserManager.exists(userId)) return null; 4614 flags = updateFlagsForResolve(flags, userId, intent); 4615 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4616 false /* requireFullPermission */, false /* checkShell */, "resolve intent"); 4617 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 4618 userId); 4619 final ResolveInfo bestChoice = 4620 chooseBestActivity(intent, resolvedType, flags, query, userId); 4621 4622 if (isEphemeralAllowed(intent, query, userId)) { 4623 final EphemeralResolveInfo ai = 4624 getEphemeralResolveInfo(intent, resolvedType, userId); 4625 if (ai != null) { 4626 if (DEBUG_EPHEMERAL) { 4627 Slog.v(TAG, "Returning an EphemeralResolveInfo"); 4628 } 4629 bestChoice.ephemeralInstaller = mEphemeralInstallerInfo; 4630 bestChoice.ephemeralResolveInfo = ai; 4631 } 4632 } 4633 return bestChoice; 4634 } 4635 4636 @Override 4637 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 4638 IntentFilter filter, int match, ComponentName activity) { 4639 final int userId = UserHandle.getCallingUserId(); 4640 if (DEBUG_PREFERRED) { 4641 Log.v(TAG, "setLastChosenActivity intent=" + intent 4642 + " resolvedType=" + resolvedType 4643 + " flags=" + flags 4644 + " filter=" + filter 4645 + " match=" + match 4646 + " activity=" + activity); 4647 filter.dump(new PrintStreamPrinter(System.out), " "); 4648 } 4649 intent.setComponent(null); 4650 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 4651 userId); 4652 // Find any earlier preferred or last chosen entries and nuke them 4653 findPreferredActivity(intent, resolvedType, 4654 flags, query, 0, false, true, false, userId); 4655 // Add the new activity as the last chosen for this filter 4656 addPreferredActivityInternal(filter, match, null, activity, false, userId, 4657 "Setting last chosen"); 4658 } 4659 4660 @Override 4661 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 4662 final int userId = UserHandle.getCallingUserId(); 4663 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 4664 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 4665 userId); 4666 return findPreferredActivity(intent, resolvedType, flags, query, 0, 4667 false, false, false, userId); 4668 } 4669 4670 4671 private boolean isEphemeralAllowed( 4672 Intent intent, List<ResolveInfo> resolvedActivites, int userId) { 4673 // Short circuit and return early if possible. 4674 if (DISABLE_EPHEMERAL_APPS) { 4675 return false; 4676 } 4677 final int callingUser = UserHandle.getCallingUserId(); 4678 if (callingUser != UserHandle.USER_SYSTEM) { 4679 return false; 4680 } 4681 if (mEphemeralResolverConnection == null) { 4682 return false; 4683 } 4684 if (intent.getComponent() != null) { 4685 return false; 4686 } 4687 if (intent.getPackage() != null) { 4688 return false; 4689 } 4690 final boolean isWebUri = hasWebURI(intent); 4691 if (!isWebUri) { 4692 return false; 4693 } 4694 // Deny ephemeral apps if the user chose _ALWAYS or _ALWAYS_ASK for intent resolution. 4695 synchronized (mPackages) { 4696 final int count = resolvedActivites.size(); 4697 for (int n = 0; n < count; n++) { 4698 ResolveInfo info = resolvedActivites.get(n); 4699 String packageName = info.activityInfo.packageName; 4700 PackageSetting ps = mSettings.mPackages.get(packageName); 4701 if (ps != null) { 4702 // Try to get the status from User settings first 4703 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 4704 int status = (int) (packedStatus >> 32); 4705 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS 4706 || status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 4707 if (DEBUG_EPHEMERAL) { 4708 Slog.v(TAG, "DENY ephemeral apps;" 4709 + " pkg: " + packageName + ", status: " + status); 4710 } 4711 return false; 4712 } 4713 } 4714 } 4715 } 4716 // We've exhausted all ways to deny ephemeral application; let the system look for them. 4717 return true; 4718 } 4719 4720 private EphemeralResolveInfo getEphemeralResolveInfo(Intent intent, String resolvedType, 4721 int userId) { 4722 MessageDigest digest = null; 4723 try { 4724 digest = MessageDigest.getInstance(EphemeralResolveInfo.SHA_ALGORITHM); 4725 } catch (NoSuchAlgorithmException e) { 4726 // If we can't create a digest, ignore ephemeral apps. 4727 return null; 4728 } 4729 4730 final byte[] hostBytes = intent.getData().getHost().getBytes(); 4731 final byte[] digestBytes = digest.digest(hostBytes); 4732 int shaPrefix = 4733 digestBytes[0] << 24 4734 | digestBytes[1] << 16 4735 | digestBytes[2] << 8 4736 | digestBytes[3] << 0; 4737 final List<EphemeralResolveInfo> ephemeralResolveInfoList = 4738 mEphemeralResolverConnection.getEphemeralResolveInfoList(shaPrefix); 4739 if (ephemeralResolveInfoList == null || ephemeralResolveInfoList.size() == 0) { 4740 // No hash prefix match; there are no ephemeral apps for this domain. 4741 return null; 4742 } 4743 for (int i = ephemeralResolveInfoList.size() - 1; i >= 0; --i) { 4744 EphemeralResolveInfo ephemeralApplication = ephemeralResolveInfoList.get(i); 4745 if (!Arrays.equals(digestBytes, ephemeralApplication.getDigestBytes())) { 4746 continue; 4747 } 4748 final List<IntentFilter> filters = ephemeralApplication.getFilters(); 4749 // No filters; this should never happen. 4750 if (filters.isEmpty()) { 4751 continue; 4752 } 4753 // We have a domain match; resolve the filters to see if anything matches. 4754 final EphemeralIntentResolver ephemeralResolver = new EphemeralIntentResolver(); 4755 for (int j = filters.size() - 1; j >= 0; --j) { 4756 final EphemeralResolveIntentInfo intentInfo = 4757 new EphemeralResolveIntentInfo(filters.get(j), ephemeralApplication); 4758 ephemeralResolver.addFilter(intentInfo); 4759 } 4760 List<EphemeralResolveInfo> matchedResolveInfoList = ephemeralResolver.queryIntent( 4761 intent, resolvedType, false /*defaultOnly*/, userId); 4762 if (!matchedResolveInfoList.isEmpty()) { 4763 return matchedResolveInfoList.get(0); 4764 } 4765 } 4766 // Hash or filter mis-match; no ephemeral apps for this domain. 4767 return null; 4768 } 4769 4770 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 4771 int flags, List<ResolveInfo> query, int userId) { 4772 if (query != null) { 4773 final int N = query.size(); 4774 if (N == 1) { 4775 return query.get(0); 4776 } else if (N > 1) { 4777 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 4778 // If there is more than one activity with the same priority, 4779 // then let the user decide between them. 4780 ResolveInfo r0 = query.get(0); 4781 ResolveInfo r1 = query.get(1); 4782 if (DEBUG_INTENT_MATCHING || debug) { 4783 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 4784 + r1.activityInfo.name + "=" + r1.priority); 4785 } 4786 // If the first activity has a higher priority, or a different 4787 // default, then it is always desirable to pick it. 4788 if (r0.priority != r1.priority 4789 || r0.preferredOrder != r1.preferredOrder 4790 || r0.isDefault != r1.isDefault) { 4791 return query.get(0); 4792 } 4793 // If we have saved a preference for a preferred activity for 4794 // this Intent, use that. 4795 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 4796 flags, query, r0.priority, true, false, debug, userId); 4797 if (ri != null) { 4798 return ri; 4799 } 4800 ri = new ResolveInfo(mResolveInfo); 4801 ri.activityInfo = new ActivityInfo(ri.activityInfo); 4802 ri.activityInfo.applicationInfo = new ApplicationInfo( 4803 ri.activityInfo.applicationInfo); 4804 if (userId != 0) { 4805 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 4806 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 4807 } 4808 // Make sure that the resolver is displayable in car mode 4809 if (ri.activityInfo.metaData == null) ri.activityInfo.metaData = new Bundle(); 4810 ri.activityInfo.metaData.putBoolean(Intent.METADATA_DOCK_HOME, true); 4811 return ri; 4812 } 4813 } 4814 return null; 4815 } 4816 4817 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 4818 int flags, List<ResolveInfo> query, boolean debug, int userId) { 4819 final int N = query.size(); 4820 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 4821 .get(userId); 4822 // Get the list of persistent preferred activities that handle the intent 4823 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 4824 List<PersistentPreferredActivity> pprefs = ppir != null 4825 ? ppir.queryIntent(intent, resolvedType, 4826 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 4827 : null; 4828 if (pprefs != null && pprefs.size() > 0) { 4829 final int M = pprefs.size(); 4830 for (int i=0; i<M; i++) { 4831 final PersistentPreferredActivity ppa = pprefs.get(i); 4832 if (DEBUG_PREFERRED || debug) { 4833 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 4834 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 4835 + "\n component=" + ppa.mComponent); 4836 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4837 } 4838 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 4839 flags | MATCH_DISABLED_COMPONENTS, userId); 4840 if (DEBUG_PREFERRED || debug) { 4841 Slog.v(TAG, "Found persistent preferred activity:"); 4842 if (ai != null) { 4843 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4844 } else { 4845 Slog.v(TAG, " null"); 4846 } 4847 } 4848 if (ai == null) { 4849 // This previously registered persistent preferred activity 4850 // component is no longer known. Ignore it and do NOT remove it. 4851 continue; 4852 } 4853 for (int j=0; j<N; j++) { 4854 final ResolveInfo ri = query.get(j); 4855 if (!ri.activityInfo.applicationInfo.packageName 4856 .equals(ai.applicationInfo.packageName)) { 4857 continue; 4858 } 4859 if (!ri.activityInfo.name.equals(ai.name)) { 4860 continue; 4861 } 4862 // Found a persistent preference that can handle the intent. 4863 if (DEBUG_PREFERRED || debug) { 4864 Slog.v(TAG, "Returning persistent preferred activity: " + 4865 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 4866 } 4867 return ri; 4868 } 4869 } 4870 } 4871 return null; 4872 } 4873 4874 // TODO: handle preferred activities missing while user has amnesia 4875 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 4876 List<ResolveInfo> query, int priority, boolean always, 4877 boolean removeMatches, boolean debug, int userId) { 4878 if (!sUserManager.exists(userId)) return null; 4879 flags = updateFlagsForResolve(flags, userId, intent); 4880 // writer 4881 synchronized (mPackages) { 4882 if (intent.getSelector() != null) { 4883 intent = intent.getSelector(); 4884 } 4885 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 4886 4887 // Try to find a matching persistent preferred activity. 4888 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 4889 debug, userId); 4890 4891 // If a persistent preferred activity matched, use it. 4892 if (pri != null) { 4893 return pri; 4894 } 4895 4896 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 4897 // Get the list of preferred activities that handle the intent 4898 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 4899 List<PreferredActivity> prefs = pir != null 4900 ? pir.queryIntent(intent, resolvedType, 4901 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 4902 : null; 4903 if (prefs != null && prefs.size() > 0) { 4904 boolean changed = false; 4905 try { 4906 // First figure out how good the original match set is. 4907 // We will only allow preferred activities that came 4908 // from the same match quality. 4909 int match = 0; 4910 4911 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 4912 4913 final int N = query.size(); 4914 for (int j=0; j<N; j++) { 4915 final ResolveInfo ri = query.get(j); 4916 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 4917 + ": 0x" + Integer.toHexString(match)); 4918 if (ri.match > match) { 4919 match = ri.match; 4920 } 4921 } 4922 4923 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 4924 + Integer.toHexString(match)); 4925 4926 match &= IntentFilter.MATCH_CATEGORY_MASK; 4927 final int M = prefs.size(); 4928 for (int i=0; i<M; i++) { 4929 final PreferredActivity pa = prefs.get(i); 4930 if (DEBUG_PREFERRED || debug) { 4931 Slog.v(TAG, "Checking PreferredActivity ds=" 4932 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 4933 + "\n component=" + pa.mPref.mComponent); 4934 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4935 } 4936 if (pa.mPref.mMatch != match) { 4937 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 4938 + Integer.toHexString(pa.mPref.mMatch)); 4939 continue; 4940 } 4941 // If it's not an "always" type preferred activity and that's what we're 4942 // looking for, skip it. 4943 if (always && !pa.mPref.mAlways) { 4944 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 4945 continue; 4946 } 4947 final ActivityInfo ai = getActivityInfo( 4948 pa.mPref.mComponent, flags | MATCH_DISABLED_COMPONENTS 4949 | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 4950 userId); 4951 if (DEBUG_PREFERRED || debug) { 4952 Slog.v(TAG, "Found preferred activity:"); 4953 if (ai != null) { 4954 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4955 } else { 4956 Slog.v(TAG, " null"); 4957 } 4958 } 4959 if (ai == null) { 4960 // This previously registered preferred activity 4961 // component is no longer known. Most likely an update 4962 // to the app was installed and in the new version this 4963 // component no longer exists. Clean it up by removing 4964 // it from the preferred activities list, and skip it. 4965 Slog.w(TAG, "Removing dangling preferred activity: " 4966 + pa.mPref.mComponent); 4967 pir.removeFilter(pa); 4968 changed = true; 4969 continue; 4970 } 4971 for (int j=0; j<N; j++) { 4972 final ResolveInfo ri = query.get(j); 4973 if (!ri.activityInfo.applicationInfo.packageName 4974 .equals(ai.applicationInfo.packageName)) { 4975 continue; 4976 } 4977 if (!ri.activityInfo.name.equals(ai.name)) { 4978 continue; 4979 } 4980 4981 if (removeMatches) { 4982 pir.removeFilter(pa); 4983 changed = true; 4984 if (DEBUG_PREFERRED) { 4985 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 4986 } 4987 break; 4988 } 4989 4990 // Okay we found a previously set preferred or last chosen app. 4991 // If the result set is different from when this 4992 // was created, we need to clear it and re-ask the 4993 // user their preference, if we're looking for an "always" type entry. 4994 if (always && !pa.mPref.sameSet(query)) { 4995 Slog.i(TAG, "Result set changed, dropping preferred activity for " 4996 + intent + " type " + resolvedType); 4997 if (DEBUG_PREFERRED) { 4998 Slog.v(TAG, "Removing preferred activity since set changed " 4999 + pa.mPref.mComponent); 5000 } 5001 pir.removeFilter(pa); 5002 // Re-add the filter as a "last chosen" entry (!always) 5003 PreferredActivity lastChosen = new PreferredActivity( 5004 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 5005 pir.addFilter(lastChosen); 5006 changed = true; 5007 return null; 5008 } 5009 5010 // Yay! Either the set matched or we're looking for the last chosen 5011 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 5012 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 5013 return ri; 5014 } 5015 } 5016 } finally { 5017 if (changed) { 5018 if (DEBUG_PREFERRED) { 5019 Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions"); 5020 } 5021 scheduleWritePackageRestrictionsLocked(userId); 5022 } 5023 } 5024 } 5025 } 5026 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 5027 return null; 5028 } 5029 5030 /* 5031 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 5032 */ 5033 @Override 5034 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 5035 int targetUserId) { 5036 mContext.enforceCallingOrSelfPermission( 5037 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 5038 List<CrossProfileIntentFilter> matches = 5039 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 5040 if (matches != null) { 5041 int size = matches.size(); 5042 for (int i = 0; i < size; i++) { 5043 if (matches.get(i).getTargetUserId() == targetUserId) return true; 5044 } 5045 } 5046 if (hasWebURI(intent)) { 5047 // cross-profile app linking works only towards the parent. 5048 final UserInfo parent = getProfileParent(sourceUserId); 5049 synchronized(mPackages) { 5050 int flags = updateFlagsForResolve(0, parent.id, intent); 5051 CrossProfileDomainInfo xpDomainInfo = getCrossProfileDomainPreferredLpr( 5052 intent, resolvedType, flags, sourceUserId, parent.id); 5053 return xpDomainInfo != null; 5054 } 5055 } 5056 return false; 5057 } 5058 5059 private UserInfo getProfileParent(int userId) { 5060 final long identity = Binder.clearCallingIdentity(); 5061 try { 5062 return sUserManager.getProfileParent(userId); 5063 } finally { 5064 Binder.restoreCallingIdentity(identity); 5065 } 5066 } 5067 5068 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 5069 String resolvedType, int userId) { 5070 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 5071 if (resolver != null) { 5072 return resolver.queryIntent(intent, resolvedType, false, userId); 5073 } 5074 return null; 5075 } 5076 5077 @Override 5078 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivities(Intent intent, 5079 String resolvedType, int flags, int userId) { 5080 return new ParceledListSlice<>( 5081 queryIntentActivitiesInternal(intent, resolvedType, flags, userId)); 5082 } 5083 5084 private @NonNull List<ResolveInfo> queryIntentActivitiesInternal(Intent intent, 5085 String resolvedType, int flags, int userId) { 5086 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5087 flags = updateFlagsForResolve(flags, userId, intent); 5088 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5089 false /* requireFullPermission */, false /* checkShell */, 5090 "query intent activities"); 5091 ComponentName comp = intent.getComponent(); 5092 if (comp == null) { 5093 if (intent.getSelector() != null) { 5094 intent = intent.getSelector(); 5095 comp = intent.getComponent(); 5096 } 5097 } 5098 5099 if (comp != null) { 5100 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5101 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 5102 if (ai != null) { 5103 final ResolveInfo ri = new ResolveInfo(); 5104 ri.activityInfo = ai; 5105 list.add(ri); 5106 } 5107 return list; 5108 } 5109 5110 // reader 5111 synchronized (mPackages) { 5112 final String pkgName = intent.getPackage(); 5113 if (pkgName == null) { 5114 List<CrossProfileIntentFilter> matchingFilters = 5115 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 5116 // Check for results that need to skip the current profile. 5117 ResolveInfo xpResolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 5118 resolvedType, flags, userId); 5119 if (xpResolveInfo != null) { 5120 List<ResolveInfo> result = new ArrayList<ResolveInfo>(1); 5121 result.add(xpResolveInfo); 5122 return filterIfNotSystemUser(result, userId); 5123 } 5124 5125 // Check for results in the current profile. 5126 List<ResolveInfo> result = mActivities.queryIntent( 5127 intent, resolvedType, flags, userId); 5128 result = filterIfNotSystemUser(result, userId); 5129 5130 // Check for cross profile results. 5131 boolean hasNonNegativePriorityResult = hasNonNegativePriority(result); 5132 xpResolveInfo = queryCrossProfileIntents( 5133 matchingFilters, intent, resolvedType, flags, userId, 5134 hasNonNegativePriorityResult); 5135 if (xpResolveInfo != null && isUserEnabled(xpResolveInfo.targetUserId)) { 5136 boolean isVisibleToUser = filterIfNotSystemUser( 5137 Collections.singletonList(xpResolveInfo), userId).size() > 0; 5138 if (isVisibleToUser) { 5139 result.add(xpResolveInfo); 5140 Collections.sort(result, mResolvePrioritySorter); 5141 } 5142 } 5143 if (hasWebURI(intent)) { 5144 CrossProfileDomainInfo xpDomainInfo = null; 5145 final UserInfo parent = getProfileParent(userId); 5146 if (parent != null) { 5147 xpDomainInfo = getCrossProfileDomainPreferredLpr(intent, resolvedType, 5148 flags, userId, parent.id); 5149 } 5150 if (xpDomainInfo != null) { 5151 if (xpResolveInfo != null) { 5152 // If we didn't remove it, the cross-profile ResolveInfo would be twice 5153 // in the result. 5154 result.remove(xpResolveInfo); 5155 } 5156 if (result.size() == 0) { 5157 result.add(xpDomainInfo.resolveInfo); 5158 return result; 5159 } 5160 } else if (result.size() <= 1) { 5161 return result; 5162 } 5163 result = filterCandidatesWithDomainPreferredActivitiesLPr(intent, flags, result, 5164 xpDomainInfo, userId); 5165 Collections.sort(result, mResolvePrioritySorter); 5166 } 5167 return result; 5168 } 5169 final PackageParser.Package pkg = mPackages.get(pkgName); 5170 if (pkg != null) { 5171 return filterIfNotSystemUser( 5172 mActivities.queryIntentForPackage( 5173 intent, resolvedType, flags, pkg.activities, userId), 5174 userId); 5175 } 5176 return new ArrayList<ResolveInfo>(); 5177 } 5178 } 5179 5180 private static class CrossProfileDomainInfo { 5181 /* ResolveInfo for IntentForwarderActivity to send the intent to the other profile */ 5182 ResolveInfo resolveInfo; 5183 /* Best domain verification status of the activities found in the other profile */ 5184 int bestDomainVerificationStatus; 5185 } 5186 5187 private CrossProfileDomainInfo getCrossProfileDomainPreferredLpr(Intent intent, 5188 String resolvedType, int flags, int sourceUserId, int parentUserId) { 5189 if (!sUserManager.hasUserRestriction(UserManager.ALLOW_PARENT_PROFILE_APP_LINKING, 5190 sourceUserId)) { 5191 return null; 5192 } 5193 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5194 resolvedType, flags, parentUserId); 5195 5196 if (resultTargetUser == null || resultTargetUser.isEmpty()) { 5197 return null; 5198 } 5199 CrossProfileDomainInfo result = null; 5200 int size = resultTargetUser.size(); 5201 for (int i = 0; i < size; i++) { 5202 ResolveInfo riTargetUser = resultTargetUser.get(i); 5203 // Intent filter verification is only for filters that specify a host. So don't return 5204 // those that handle all web uris. 5205 if (riTargetUser.handleAllWebDataURI) { 5206 continue; 5207 } 5208 String packageName = riTargetUser.activityInfo.packageName; 5209 PackageSetting ps = mSettings.mPackages.get(packageName); 5210 if (ps == null) { 5211 continue; 5212 } 5213 long verificationState = getDomainVerificationStatusLPr(ps, parentUserId); 5214 int status = (int)(verificationState >> 32); 5215 if (result == null) { 5216 result = new CrossProfileDomainInfo(); 5217 result.resolveInfo = createForwardingResolveInfoUnchecked(new IntentFilter(), 5218 sourceUserId, parentUserId); 5219 result.bestDomainVerificationStatus = status; 5220 } else { 5221 result.bestDomainVerificationStatus = bestDomainVerificationStatus(status, 5222 result.bestDomainVerificationStatus); 5223 } 5224 } 5225 // Don't consider matches with status NEVER across profiles. 5226 if (result != null && result.bestDomainVerificationStatus 5227 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5228 return null; 5229 } 5230 return result; 5231 } 5232 5233 /** 5234 * Verification statuses are ordered from the worse to the best, except for 5235 * INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER, which is the worse. 5236 */ 5237 private int bestDomainVerificationStatus(int status1, int status2) { 5238 if (status1 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5239 return status2; 5240 } 5241 if (status2 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5242 return status1; 5243 } 5244 return (int) MathUtils.max(status1, status2); 5245 } 5246 5247 private boolean isUserEnabled(int userId) { 5248 long callingId = Binder.clearCallingIdentity(); 5249 try { 5250 UserInfo userInfo = sUserManager.getUserInfo(userId); 5251 return userInfo != null && userInfo.isEnabled(); 5252 } finally { 5253 Binder.restoreCallingIdentity(callingId); 5254 } 5255 } 5256 5257 /** 5258 * Filter out activities with systemUserOnly flag set, when current user is not System. 5259 * 5260 * @return filtered list 5261 */ 5262 private List<ResolveInfo> filterIfNotSystemUser(List<ResolveInfo> resolveInfos, int userId) { 5263 if (userId == UserHandle.USER_SYSTEM) { 5264 return resolveInfos; 5265 } 5266 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 5267 ResolveInfo info = resolveInfos.get(i); 5268 if ((info.activityInfo.flags & ActivityInfo.FLAG_SYSTEM_USER_ONLY) != 0) { 5269 resolveInfos.remove(i); 5270 } 5271 } 5272 return resolveInfos; 5273 } 5274 5275 /** 5276 * @param resolveInfos list of resolve infos in descending priority order 5277 * @return if the list contains a resolve info with non-negative priority 5278 */ 5279 private boolean hasNonNegativePriority(List<ResolveInfo> resolveInfos) { 5280 return resolveInfos.size() > 0 && resolveInfos.get(0).priority >= 0; 5281 } 5282 5283 private static boolean hasWebURI(Intent intent) { 5284 if (intent.getData() == null) { 5285 return false; 5286 } 5287 final String scheme = intent.getScheme(); 5288 if (TextUtils.isEmpty(scheme)) { 5289 return false; 5290 } 5291 return scheme.equals(IntentFilter.SCHEME_HTTP) || scheme.equals(IntentFilter.SCHEME_HTTPS); 5292 } 5293 5294 private List<ResolveInfo> filterCandidatesWithDomainPreferredActivitiesLPr(Intent intent, 5295 int matchFlags, List<ResolveInfo> candidates, CrossProfileDomainInfo xpDomainInfo, 5296 int userId) { 5297 final boolean debug = (intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0; 5298 5299 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5300 Slog.v(TAG, "Filtering results with preferred activities. Candidates count: " + 5301 candidates.size()); 5302 } 5303 5304 ArrayList<ResolveInfo> result = new ArrayList<ResolveInfo>(); 5305 ArrayList<ResolveInfo> alwaysList = new ArrayList<ResolveInfo>(); 5306 ArrayList<ResolveInfo> undefinedList = new ArrayList<ResolveInfo>(); 5307 ArrayList<ResolveInfo> alwaysAskList = new ArrayList<ResolveInfo>(); 5308 ArrayList<ResolveInfo> neverList = new ArrayList<ResolveInfo>(); 5309 ArrayList<ResolveInfo> matchAllList = new ArrayList<ResolveInfo>(); 5310 5311 synchronized (mPackages) { 5312 final int count = candidates.size(); 5313 // First, try to use linked apps. Partition the candidates into four lists: 5314 // one for the final results, one for the "do not use ever", one for "undefined status" 5315 // and finally one for "browser app type". 5316 for (int n=0; n<count; n++) { 5317 ResolveInfo info = candidates.get(n); 5318 String packageName = info.activityInfo.packageName; 5319 PackageSetting ps = mSettings.mPackages.get(packageName); 5320 if (ps != null) { 5321 // Add to the special match all list (Browser use case) 5322 if (info.handleAllWebDataURI) { 5323 matchAllList.add(info); 5324 continue; 5325 } 5326 // Try to get the status from User settings first 5327 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 5328 int status = (int)(packedStatus >> 32); 5329 int linkGeneration = (int)(packedStatus & 0xFFFFFFFF); 5330 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS) { 5331 if (DEBUG_DOMAIN_VERIFICATION) { 5332 Slog.i(TAG, " + always: " + info.activityInfo.packageName 5333 + " : linkgen=" + linkGeneration); 5334 } 5335 // Use link-enabled generation as preferredOrder, i.e. 5336 // prefer newly-enabled over earlier-enabled. 5337 info.preferredOrder = linkGeneration; 5338 alwaysList.add(info); 5339 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5340 if (DEBUG_DOMAIN_VERIFICATION) { 5341 Slog.i(TAG, " + never: " + info.activityInfo.packageName); 5342 } 5343 neverList.add(info); 5344 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 5345 if (DEBUG_DOMAIN_VERIFICATION) { 5346 Slog.i(TAG, " + always-ask: " + info.activityInfo.packageName); 5347 } 5348 alwaysAskList.add(info); 5349 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED || 5350 status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK) { 5351 if (DEBUG_DOMAIN_VERIFICATION) { 5352 Slog.i(TAG, " + ask: " + info.activityInfo.packageName); 5353 } 5354 undefinedList.add(info); 5355 } 5356 } 5357 } 5358 5359 // We'll want to include browser possibilities in a few cases 5360 boolean includeBrowser = false; 5361 5362 // First try to add the "always" resolution(s) for the current user, if any 5363 if (alwaysList.size() > 0) { 5364 result.addAll(alwaysList); 5365 } else { 5366 // Add all undefined apps as we want them to appear in the disambiguation dialog. 5367 result.addAll(undefinedList); 5368 // Maybe add one for the other profile. 5369 if (xpDomainInfo != null && ( 5370 xpDomainInfo.bestDomainVerificationStatus 5371 != INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER)) { 5372 result.add(xpDomainInfo.resolveInfo); 5373 } 5374 includeBrowser = true; 5375 } 5376 5377 // The presence of any 'always ask' alternatives means we'll also offer browsers. 5378 // If there were 'always' entries their preferred order has been set, so we also 5379 // back that off to make the alternatives equivalent 5380 if (alwaysAskList.size() > 0) { 5381 for (ResolveInfo i : result) { 5382 i.preferredOrder = 0; 5383 } 5384 result.addAll(alwaysAskList); 5385 includeBrowser = true; 5386 } 5387 5388 if (includeBrowser) { 5389 // Also add browsers (all of them or only the default one) 5390 if (DEBUG_DOMAIN_VERIFICATION) { 5391 Slog.v(TAG, " ...including browsers in candidate set"); 5392 } 5393 if ((matchFlags & MATCH_ALL) != 0) { 5394 result.addAll(matchAllList); 5395 } else { 5396 // Browser/generic handling case. If there's a default browser, go straight 5397 // to that (but only if there is no other higher-priority match). 5398 final String defaultBrowserPackageName = getDefaultBrowserPackageName(userId); 5399 int maxMatchPrio = 0; 5400 ResolveInfo defaultBrowserMatch = null; 5401 final int numCandidates = matchAllList.size(); 5402 for (int n = 0; n < numCandidates; n++) { 5403 ResolveInfo info = matchAllList.get(n); 5404 // track the highest overall match priority... 5405 if (info.priority > maxMatchPrio) { 5406 maxMatchPrio = info.priority; 5407 } 5408 // ...and the highest-priority default browser match 5409 if (info.activityInfo.packageName.equals(defaultBrowserPackageName)) { 5410 if (defaultBrowserMatch == null 5411 || (defaultBrowserMatch.priority < info.priority)) { 5412 if (debug) { 5413 Slog.v(TAG, "Considering default browser match " + info); 5414 } 5415 defaultBrowserMatch = info; 5416 } 5417 } 5418 } 5419 if (defaultBrowserMatch != null 5420 && defaultBrowserMatch.priority >= maxMatchPrio 5421 && !TextUtils.isEmpty(defaultBrowserPackageName)) 5422 { 5423 if (debug) { 5424 Slog.v(TAG, "Default browser match " + defaultBrowserMatch); 5425 } 5426 result.add(defaultBrowserMatch); 5427 } else { 5428 result.addAll(matchAllList); 5429 } 5430 } 5431 5432 // If there is nothing selected, add all candidates and remove the ones that the user 5433 // has explicitly put into the INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER state 5434 if (result.size() == 0) { 5435 result.addAll(candidates); 5436 result.removeAll(neverList); 5437 } 5438 } 5439 } 5440 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5441 Slog.v(TAG, "Filtered results with preferred activities. New candidates count: " + 5442 result.size()); 5443 for (ResolveInfo info : result) { 5444 Slog.v(TAG, " + " + info.activityInfo); 5445 } 5446 } 5447 return result; 5448 } 5449 5450 // Returns a packed value as a long: 5451 // 5452 // high 'int'-sized word: link status: undefined/ask/never/always. 5453 // low 'int'-sized word: relative priority among 'always' results. 5454 private long getDomainVerificationStatusLPr(PackageSetting ps, int userId) { 5455 long result = ps.getDomainVerificationStatusForUser(userId); 5456 // if none available, get the master status 5457 if (result >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 5458 if (ps.getIntentFilterVerificationInfo() != null) { 5459 result = ((long)ps.getIntentFilterVerificationInfo().getStatus()) << 32; 5460 } 5461 } 5462 return result; 5463 } 5464 5465 private ResolveInfo querySkipCurrentProfileIntents( 5466 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5467 int flags, int sourceUserId) { 5468 if (matchingFilters != null) { 5469 int size = matchingFilters.size(); 5470 for (int i = 0; i < size; i ++) { 5471 CrossProfileIntentFilter filter = matchingFilters.get(i); 5472 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 5473 // Checking if there are activities in the target user that can handle the 5474 // intent. 5475 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5476 resolvedType, flags, sourceUserId); 5477 if (resolveInfo != null) { 5478 return resolveInfo; 5479 } 5480 } 5481 } 5482 } 5483 return null; 5484 } 5485 5486 // Return matching ResolveInfo in target user if any. 5487 private ResolveInfo queryCrossProfileIntents( 5488 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5489 int flags, int sourceUserId, boolean matchInCurrentProfile) { 5490 if (matchingFilters != null) { 5491 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 5492 // match the same intent. For performance reasons, it is better not to 5493 // run queryIntent twice for the same userId 5494 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 5495 int size = matchingFilters.size(); 5496 for (int i = 0; i < size; i++) { 5497 CrossProfileIntentFilter filter = matchingFilters.get(i); 5498 int targetUserId = filter.getTargetUserId(); 5499 boolean skipCurrentProfile = 5500 (filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0; 5501 boolean skipCurrentProfileIfNoMatchFound = 5502 (filter.getFlags() & PackageManager.ONLY_IF_NO_MATCH_FOUND) != 0; 5503 if (!skipCurrentProfile && !alreadyTriedUserIds.get(targetUserId) 5504 && (!skipCurrentProfileIfNoMatchFound || !matchInCurrentProfile)) { 5505 // Checking if there are activities in the target user that can handle the 5506 // intent. 5507 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5508 resolvedType, flags, sourceUserId); 5509 if (resolveInfo != null) return resolveInfo; 5510 alreadyTriedUserIds.put(targetUserId, true); 5511 } 5512 } 5513 } 5514 return null; 5515 } 5516 5517 /** 5518 * If the filter's target user can handle the intent and is enabled: returns a ResolveInfo that 5519 * will forward the intent to the filter's target user. 5520 * Otherwise, returns null. 5521 */ 5522 private ResolveInfo createForwardingResolveInfo(CrossProfileIntentFilter filter, Intent intent, 5523 String resolvedType, int flags, int sourceUserId) { 5524 int targetUserId = filter.getTargetUserId(); 5525 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5526 resolvedType, flags, targetUserId); 5527 if (resultTargetUser != null && isUserEnabled(targetUserId)) { 5528 // If all the matches in the target profile are suspended, return null. 5529 for (int i = resultTargetUser.size() - 1; i >= 0; i--) { 5530 if ((resultTargetUser.get(i).activityInfo.applicationInfo.flags 5531 & ApplicationInfo.FLAG_SUSPENDED) == 0) { 5532 return createForwardingResolveInfoUnchecked(filter, sourceUserId, 5533 targetUserId); 5534 } 5535 } 5536 } 5537 return null; 5538 } 5539 5540 private ResolveInfo createForwardingResolveInfoUnchecked(IntentFilter filter, 5541 int sourceUserId, int targetUserId) { 5542 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 5543 long ident = Binder.clearCallingIdentity(); 5544 boolean targetIsProfile; 5545 try { 5546 targetIsProfile = sUserManager.getUserInfo(targetUserId).isManagedProfile(); 5547 } finally { 5548 Binder.restoreCallingIdentity(ident); 5549 } 5550 String className; 5551 if (targetIsProfile) { 5552 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 5553 } else { 5554 className = FORWARD_INTENT_TO_PARENT; 5555 } 5556 ComponentName forwardingActivityComponentName = new ComponentName( 5557 mAndroidApplication.packageName, className); 5558 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 5559 sourceUserId); 5560 if (!targetIsProfile) { 5561 forwardingActivityInfo.showUserIcon = targetUserId; 5562 forwardingResolveInfo.noResourceId = true; 5563 } 5564 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 5565 forwardingResolveInfo.priority = 0; 5566 forwardingResolveInfo.preferredOrder = 0; 5567 forwardingResolveInfo.match = 0; 5568 forwardingResolveInfo.isDefault = true; 5569 forwardingResolveInfo.filter = filter; 5570 forwardingResolveInfo.targetUserId = targetUserId; 5571 return forwardingResolveInfo; 5572 } 5573 5574 @Override 5575 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 5576 Intent[] specifics, String[] specificTypes, Intent intent, 5577 String resolvedType, int flags, int userId) { 5578 return new ParceledListSlice<>(queryIntentActivityOptionsInternal(caller, specifics, 5579 specificTypes, intent, resolvedType, flags, userId)); 5580 } 5581 5582 private @NonNull List<ResolveInfo> queryIntentActivityOptionsInternal(ComponentName caller, 5583 Intent[] specifics, String[] specificTypes, Intent intent, 5584 String resolvedType, int flags, int userId) { 5585 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5586 flags = updateFlagsForResolve(flags, userId, intent); 5587 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5588 false /* requireFullPermission */, false /* checkShell */, 5589 "query intent activity options"); 5590 final String resultsAction = intent.getAction(); 5591 5592 final List<ResolveInfo> results = queryIntentActivitiesInternal(intent, resolvedType, flags 5593 | PackageManager.GET_RESOLVED_FILTER, userId); 5594 5595 if (DEBUG_INTENT_MATCHING) { 5596 Log.v(TAG, "Query " + intent + ": " + results); 5597 } 5598 5599 int specificsPos = 0; 5600 int N; 5601 5602 // todo: note that the algorithm used here is O(N^2). This 5603 // isn't a problem in our current environment, but if we start running 5604 // into situations where we have more than 5 or 10 matches then this 5605 // should probably be changed to something smarter... 5606 5607 // First we go through and resolve each of the specific items 5608 // that were supplied, taking care of removing any corresponding 5609 // duplicate items in the generic resolve list. 5610 if (specifics != null) { 5611 for (int i=0; i<specifics.length; i++) { 5612 final Intent sintent = specifics[i]; 5613 if (sintent == null) { 5614 continue; 5615 } 5616 5617 if (DEBUG_INTENT_MATCHING) { 5618 Log.v(TAG, "Specific #" + i + ": " + sintent); 5619 } 5620 5621 String action = sintent.getAction(); 5622 if (resultsAction != null && resultsAction.equals(action)) { 5623 // If this action was explicitly requested, then don't 5624 // remove things that have it. 5625 action = null; 5626 } 5627 5628 ResolveInfo ri = null; 5629 ActivityInfo ai = null; 5630 5631 ComponentName comp = sintent.getComponent(); 5632 if (comp == null) { 5633 ri = resolveIntent( 5634 sintent, 5635 specificTypes != null ? specificTypes[i] : null, 5636 flags, userId); 5637 if (ri == null) { 5638 continue; 5639 } 5640 if (ri == mResolveInfo) { 5641 // ACK! Must do something better with this. 5642 } 5643 ai = ri.activityInfo; 5644 comp = new ComponentName(ai.applicationInfo.packageName, 5645 ai.name); 5646 } else { 5647 ai = getActivityInfo(comp, flags, userId); 5648 if (ai == null) { 5649 continue; 5650 } 5651 } 5652 5653 // Look for any generic query activities that are duplicates 5654 // of this specific one, and remove them from the results. 5655 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 5656 N = results.size(); 5657 int j; 5658 for (j=specificsPos; j<N; j++) { 5659 ResolveInfo sri = results.get(j); 5660 if ((sri.activityInfo.name.equals(comp.getClassName()) 5661 && sri.activityInfo.applicationInfo.packageName.equals( 5662 comp.getPackageName())) 5663 || (action != null && sri.filter.matchAction(action))) { 5664 results.remove(j); 5665 if (DEBUG_INTENT_MATCHING) Log.v( 5666 TAG, "Removing duplicate item from " + j 5667 + " due to specific " + specificsPos); 5668 if (ri == null) { 5669 ri = sri; 5670 } 5671 j--; 5672 N--; 5673 } 5674 } 5675 5676 // Add this specific item to its proper place. 5677 if (ri == null) { 5678 ri = new ResolveInfo(); 5679 ri.activityInfo = ai; 5680 } 5681 results.add(specificsPos, ri); 5682 ri.specificIndex = i; 5683 specificsPos++; 5684 } 5685 } 5686 5687 // Now we go through the remaining generic results and remove any 5688 // duplicate actions that are found here. 5689 N = results.size(); 5690 for (int i=specificsPos; i<N-1; i++) { 5691 final ResolveInfo rii = results.get(i); 5692 if (rii.filter == null) { 5693 continue; 5694 } 5695 5696 // Iterate over all of the actions of this result's intent 5697 // filter... typically this should be just one. 5698 final Iterator<String> it = rii.filter.actionsIterator(); 5699 if (it == null) { 5700 continue; 5701 } 5702 while (it.hasNext()) { 5703 final String action = it.next(); 5704 if (resultsAction != null && resultsAction.equals(action)) { 5705 // If this action was explicitly requested, then don't 5706 // remove things that have it. 5707 continue; 5708 } 5709 for (int j=i+1; j<N; j++) { 5710 final ResolveInfo rij = results.get(j); 5711 if (rij.filter != null && rij.filter.hasAction(action)) { 5712 results.remove(j); 5713 if (DEBUG_INTENT_MATCHING) Log.v( 5714 TAG, "Removing duplicate item from " + j 5715 + " due to action " + action + " at " + i); 5716 j--; 5717 N--; 5718 } 5719 } 5720 } 5721 5722 // If the caller didn't request filter information, drop it now 5723 // so we don't have to marshall/unmarshall it. 5724 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 5725 rii.filter = null; 5726 } 5727 } 5728 5729 // Filter out the caller activity if so requested. 5730 if (caller != null) { 5731 N = results.size(); 5732 for (int i=0; i<N; i++) { 5733 ActivityInfo ainfo = results.get(i).activityInfo; 5734 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 5735 && caller.getClassName().equals(ainfo.name)) { 5736 results.remove(i); 5737 break; 5738 } 5739 } 5740 } 5741 5742 // If the caller didn't request filter information, 5743 // drop them now so we don't have to 5744 // marshall/unmarshall it. 5745 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 5746 N = results.size(); 5747 for (int i=0; i<N; i++) { 5748 results.get(i).filter = null; 5749 } 5750 } 5751 5752 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 5753 return results; 5754 } 5755 5756 @Override 5757 public @NonNull ParceledListSlice<ResolveInfo> queryIntentReceivers(Intent intent, 5758 String resolvedType, int flags, int userId) { 5759 return new ParceledListSlice<>( 5760 queryIntentReceiversInternal(intent, resolvedType, flags, userId)); 5761 } 5762 5763 private @NonNull List<ResolveInfo> queryIntentReceiversInternal(Intent intent, 5764 String resolvedType, int flags, int userId) { 5765 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5766 flags = updateFlagsForResolve(flags, userId, intent); 5767 ComponentName comp = intent.getComponent(); 5768 if (comp == null) { 5769 if (intent.getSelector() != null) { 5770 intent = intent.getSelector(); 5771 comp = intent.getComponent(); 5772 } 5773 } 5774 if (comp != null) { 5775 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5776 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 5777 if (ai != null) { 5778 ResolveInfo ri = new ResolveInfo(); 5779 ri.activityInfo = ai; 5780 list.add(ri); 5781 } 5782 return list; 5783 } 5784 5785 // reader 5786 synchronized (mPackages) { 5787 String pkgName = intent.getPackage(); 5788 if (pkgName == null) { 5789 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 5790 } 5791 final PackageParser.Package pkg = mPackages.get(pkgName); 5792 if (pkg != null) { 5793 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 5794 userId); 5795 } 5796 return Collections.emptyList(); 5797 } 5798 } 5799 5800 @Override 5801 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 5802 if (!sUserManager.exists(userId)) return null; 5803 flags = updateFlagsForResolve(flags, userId, intent); 5804 List<ResolveInfo> query = queryIntentServicesInternal(intent, resolvedType, flags, userId); 5805 if (query != null) { 5806 if (query.size() >= 1) { 5807 // If there is more than one service with the same priority, 5808 // just arbitrarily pick the first one. 5809 return query.get(0); 5810 } 5811 } 5812 return null; 5813 } 5814 5815 @Override 5816 public @NonNull ParceledListSlice<ResolveInfo> queryIntentServices(Intent intent, 5817 String resolvedType, int flags, int userId) { 5818 return new ParceledListSlice<>( 5819 queryIntentServicesInternal(intent, resolvedType, flags, userId)); 5820 } 5821 5822 private @NonNull List<ResolveInfo> queryIntentServicesInternal(Intent intent, 5823 String resolvedType, int flags, int userId) { 5824 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5825 flags = updateFlagsForResolve(flags, userId, intent); 5826 ComponentName comp = intent.getComponent(); 5827 if (comp == null) { 5828 if (intent.getSelector() != null) { 5829 intent = intent.getSelector(); 5830 comp = intent.getComponent(); 5831 } 5832 } 5833 if (comp != null) { 5834 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5835 final ServiceInfo si = getServiceInfo(comp, flags, userId); 5836 if (si != null) { 5837 final ResolveInfo ri = new ResolveInfo(); 5838 ri.serviceInfo = si; 5839 list.add(ri); 5840 } 5841 return list; 5842 } 5843 5844 // reader 5845 synchronized (mPackages) { 5846 String pkgName = intent.getPackage(); 5847 if (pkgName == null) { 5848 return mServices.queryIntent(intent, resolvedType, flags, userId); 5849 } 5850 final PackageParser.Package pkg = mPackages.get(pkgName); 5851 if (pkg != null) { 5852 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 5853 userId); 5854 } 5855 return Collections.emptyList(); 5856 } 5857 } 5858 5859 @Override 5860 public @NonNull ParceledListSlice<ResolveInfo> queryIntentContentProviders(Intent intent, 5861 String resolvedType, int flags, int userId) { 5862 return new ParceledListSlice<>( 5863 queryIntentContentProvidersInternal(intent, resolvedType, flags, userId)); 5864 } 5865 5866 private @NonNull List<ResolveInfo> queryIntentContentProvidersInternal( 5867 Intent intent, String resolvedType, int flags, int userId) { 5868 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5869 flags = updateFlagsForResolve(flags, userId, intent); 5870 ComponentName comp = intent.getComponent(); 5871 if (comp == null) { 5872 if (intent.getSelector() != null) { 5873 intent = intent.getSelector(); 5874 comp = intent.getComponent(); 5875 } 5876 } 5877 if (comp != null) { 5878 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5879 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 5880 if (pi != null) { 5881 final ResolveInfo ri = new ResolveInfo(); 5882 ri.providerInfo = pi; 5883 list.add(ri); 5884 } 5885 return list; 5886 } 5887 5888 // reader 5889 synchronized (mPackages) { 5890 String pkgName = intent.getPackage(); 5891 if (pkgName == null) { 5892 return mProviders.queryIntent(intent, resolvedType, flags, userId); 5893 } 5894 final PackageParser.Package pkg = mPackages.get(pkgName); 5895 if (pkg != null) { 5896 return mProviders.queryIntentForPackage( 5897 intent, resolvedType, flags, pkg.providers, userId); 5898 } 5899 return Collections.emptyList(); 5900 } 5901 } 5902 5903 @Override 5904 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 5905 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 5906 flags = updateFlagsForPackage(flags, userId, null); 5907 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 5908 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5909 true /* requireFullPermission */, false /* checkShell */, 5910 "get installed packages"); 5911 5912 // writer 5913 synchronized (mPackages) { 5914 ArrayList<PackageInfo> list; 5915 if (listUninstalled) { 5916 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 5917 for (PackageSetting ps : mSettings.mPackages.values()) { 5918 PackageInfo pi; 5919 if (ps.pkg != null) { 5920 pi = generatePackageInfo(ps.pkg, flags, userId); 5921 } else { 5922 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 5923 } 5924 if (pi != null) { 5925 list.add(pi); 5926 } 5927 } 5928 } else { 5929 list = new ArrayList<PackageInfo>(mPackages.size()); 5930 for (PackageParser.Package p : mPackages.values()) { 5931 PackageInfo pi = generatePackageInfo(p, flags, userId); 5932 if (pi != null) { 5933 list.add(pi); 5934 } 5935 } 5936 } 5937 5938 return new ParceledListSlice<PackageInfo>(list); 5939 } 5940 } 5941 5942 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 5943 String[] permissions, boolean[] tmp, int flags, int userId) { 5944 int numMatch = 0; 5945 final PermissionsState permissionsState = ps.getPermissionsState(); 5946 for (int i=0; i<permissions.length; i++) { 5947 final String permission = permissions[i]; 5948 if (permissionsState.hasPermission(permission, userId)) { 5949 tmp[i] = true; 5950 numMatch++; 5951 } else { 5952 tmp[i] = false; 5953 } 5954 } 5955 if (numMatch == 0) { 5956 return; 5957 } 5958 PackageInfo pi; 5959 if (ps.pkg != null) { 5960 pi = generatePackageInfo(ps.pkg, flags, userId); 5961 } else { 5962 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 5963 } 5964 // The above might return null in cases of uninstalled apps or install-state 5965 // skew across users/profiles. 5966 if (pi != null) { 5967 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 5968 if (numMatch == permissions.length) { 5969 pi.requestedPermissions = permissions; 5970 } else { 5971 pi.requestedPermissions = new String[numMatch]; 5972 numMatch = 0; 5973 for (int i=0; i<permissions.length; i++) { 5974 if (tmp[i]) { 5975 pi.requestedPermissions[numMatch] = permissions[i]; 5976 numMatch++; 5977 } 5978 } 5979 } 5980 } 5981 list.add(pi); 5982 } 5983 } 5984 5985 @Override 5986 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 5987 String[] permissions, int flags, int userId) { 5988 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 5989 flags = updateFlagsForPackage(flags, userId, permissions); 5990 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 5991 5992 // writer 5993 synchronized (mPackages) { 5994 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 5995 boolean[] tmpBools = new boolean[permissions.length]; 5996 if (listUninstalled) { 5997 for (PackageSetting ps : mSettings.mPackages.values()) { 5998 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 5999 } 6000 } else { 6001 for (PackageParser.Package pkg : mPackages.values()) { 6002 PackageSetting ps = (PackageSetting)pkg.mExtras; 6003 if (ps != null) { 6004 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 6005 userId); 6006 } 6007 } 6008 } 6009 6010 return new ParceledListSlice<PackageInfo>(list); 6011 } 6012 } 6013 6014 @Override 6015 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 6016 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6017 flags = updateFlagsForApplication(flags, userId, null); 6018 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6019 6020 // writer 6021 synchronized (mPackages) { 6022 ArrayList<ApplicationInfo> list; 6023 if (listUninstalled) { 6024 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 6025 for (PackageSetting ps : mSettings.mPackages.values()) { 6026 ApplicationInfo ai; 6027 if (ps.pkg != null) { 6028 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 6029 ps.readUserState(userId), userId); 6030 } else { 6031 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 6032 } 6033 if (ai != null) { 6034 list.add(ai); 6035 } 6036 } 6037 } else { 6038 list = new ArrayList<ApplicationInfo>(mPackages.size()); 6039 for (PackageParser.Package p : mPackages.values()) { 6040 if (p.mExtras != null) { 6041 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 6042 ((PackageSetting)p.mExtras).readUserState(userId), userId); 6043 if (ai != null) { 6044 list.add(ai); 6045 } 6046 } 6047 } 6048 } 6049 6050 return new ParceledListSlice<ApplicationInfo>(list); 6051 } 6052 } 6053 6054 @Override 6055 public ParceledListSlice<EphemeralApplicationInfo> getEphemeralApplications(int userId) { 6056 if (DISABLE_EPHEMERAL_APPS) { 6057 return null; 6058 } 6059 6060 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 6061 "getEphemeralApplications"); 6062 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6063 true /* requireFullPermission */, false /* checkShell */, 6064 "getEphemeralApplications"); 6065 synchronized (mPackages) { 6066 List<EphemeralApplicationInfo> ephemeralApps = mEphemeralApplicationRegistry 6067 .getEphemeralApplicationsLPw(userId); 6068 if (ephemeralApps != null) { 6069 return new ParceledListSlice<>(ephemeralApps); 6070 } 6071 } 6072 return null; 6073 } 6074 6075 @Override 6076 public boolean isEphemeralApplication(String packageName, int userId) { 6077 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6078 true /* requireFullPermission */, false /* checkShell */, 6079 "isEphemeral"); 6080 if (DISABLE_EPHEMERAL_APPS) { 6081 return false; 6082 } 6083 6084 if (!isCallerSameApp(packageName)) { 6085 return false; 6086 } 6087 synchronized (mPackages) { 6088 PackageParser.Package pkg = mPackages.get(packageName); 6089 if (pkg != null) { 6090 return pkg.applicationInfo.isEphemeralApp(); 6091 } 6092 } 6093 return false; 6094 } 6095 6096 @Override 6097 public byte[] getEphemeralApplicationCookie(String packageName, int userId) { 6098 if (DISABLE_EPHEMERAL_APPS) { 6099 return null; 6100 } 6101 6102 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6103 true /* requireFullPermission */, false /* checkShell */, 6104 "getCookie"); 6105 if (!isCallerSameApp(packageName)) { 6106 return null; 6107 } 6108 synchronized (mPackages) { 6109 return mEphemeralApplicationRegistry.getEphemeralApplicationCookieLPw( 6110 packageName, userId); 6111 } 6112 } 6113 6114 @Override 6115 public boolean setEphemeralApplicationCookie(String packageName, byte[] cookie, int userId) { 6116 if (DISABLE_EPHEMERAL_APPS) { 6117 return true; 6118 } 6119 6120 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6121 true /* requireFullPermission */, true /* checkShell */, 6122 "setCookie"); 6123 if (!isCallerSameApp(packageName)) { 6124 return false; 6125 } 6126 synchronized (mPackages) { 6127 return mEphemeralApplicationRegistry.setEphemeralApplicationCookieLPw( 6128 packageName, cookie, userId); 6129 } 6130 } 6131 6132 @Override 6133 public Bitmap getEphemeralApplicationIcon(String packageName, int userId) { 6134 if (DISABLE_EPHEMERAL_APPS) { 6135 return null; 6136 } 6137 6138 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 6139 "getEphemeralApplicationIcon"); 6140 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6141 true /* requireFullPermission */, false /* checkShell */, 6142 "getEphemeralApplicationIcon"); 6143 synchronized (mPackages) { 6144 return mEphemeralApplicationRegistry.getEphemeralApplicationIconLPw( 6145 packageName, userId); 6146 } 6147 } 6148 6149 private boolean isCallerSameApp(String packageName) { 6150 PackageParser.Package pkg = mPackages.get(packageName); 6151 return pkg != null 6152 && UserHandle.getAppId(Binder.getCallingUid()) == pkg.applicationInfo.uid; 6153 } 6154 6155 @Override 6156 public @NonNull ParceledListSlice<ApplicationInfo> getPersistentApplications(int flags) { 6157 return new ParceledListSlice<>(getPersistentApplicationsInternal(flags)); 6158 } 6159 6160 private @NonNull List<ApplicationInfo> getPersistentApplicationsInternal(int flags) { 6161 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 6162 6163 // reader 6164 synchronized (mPackages) { 6165 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 6166 final int userId = UserHandle.getCallingUserId(); 6167 while (i.hasNext()) { 6168 final PackageParser.Package p = i.next(); 6169 if (p.applicationInfo == null) continue; 6170 6171 final boolean matchesUnaware = ((flags & MATCH_DIRECT_BOOT_UNAWARE) != 0) 6172 && !p.applicationInfo.isDirectBootAware(); 6173 final boolean matchesAware = ((flags & MATCH_DIRECT_BOOT_AWARE) != 0) 6174 && p.applicationInfo.isDirectBootAware(); 6175 6176 if ((p.applicationInfo.flags & ApplicationInfo.FLAG_PERSISTENT) != 0 6177 && (!mSafeMode || isSystemApp(p)) 6178 && (matchesUnaware || matchesAware)) { 6179 PackageSetting ps = mSettings.mPackages.get(p.packageName); 6180 if (ps != null) { 6181 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 6182 ps.readUserState(userId), userId); 6183 if (ai != null) { 6184 finalList.add(ai); 6185 } 6186 } 6187 } 6188 } 6189 } 6190 6191 return finalList; 6192 } 6193 6194 @Override 6195 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 6196 if (!sUserManager.exists(userId)) return null; 6197 flags = updateFlagsForComponent(flags, userId, name); 6198 // reader 6199 synchronized (mPackages) { 6200 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 6201 PackageSetting ps = provider != null 6202 ? mSettings.mPackages.get(provider.owner.packageName) 6203 : null; 6204 return ps != null 6205 && mSettings.isEnabledAndMatchLPr(provider.info, flags, userId) 6206 ? PackageParser.generateProviderInfo(provider, flags, 6207 ps.readUserState(userId), userId) 6208 : null; 6209 } 6210 } 6211 6212 /** 6213 * @deprecated 6214 */ 6215 @Deprecated 6216 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 6217 // reader 6218 synchronized (mPackages) { 6219 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 6220 .entrySet().iterator(); 6221 final int userId = UserHandle.getCallingUserId(); 6222 while (i.hasNext()) { 6223 Map.Entry<String, PackageParser.Provider> entry = i.next(); 6224 PackageParser.Provider p = entry.getValue(); 6225 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6226 6227 if (ps != null && p.syncable 6228 && (!mSafeMode || (p.info.applicationInfo.flags 6229 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 6230 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 6231 ps.readUserState(userId), userId); 6232 if (info != null) { 6233 outNames.add(entry.getKey()); 6234 outInfo.add(info); 6235 } 6236 } 6237 } 6238 } 6239 } 6240 6241 @Override 6242 public @NonNull ParceledListSlice<ProviderInfo> queryContentProviders(String processName, 6243 int uid, int flags) { 6244 final int userId = processName != null ? UserHandle.getUserId(uid) 6245 : UserHandle.getCallingUserId(); 6246 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6247 flags = updateFlagsForComponent(flags, userId, processName); 6248 6249 ArrayList<ProviderInfo> finalList = null; 6250 // reader 6251 synchronized (mPackages) { 6252 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 6253 while (i.hasNext()) { 6254 final PackageParser.Provider p = i.next(); 6255 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6256 if (ps != null && p.info.authority != null 6257 && (processName == null 6258 || (p.info.processName.equals(processName) 6259 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 6260 && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 6261 if (finalList == null) { 6262 finalList = new ArrayList<ProviderInfo>(3); 6263 } 6264 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 6265 ps.readUserState(userId), userId); 6266 if (info != null) { 6267 finalList.add(info); 6268 } 6269 } 6270 } 6271 } 6272 6273 if (finalList != null) { 6274 Collections.sort(finalList, mProviderInitOrderSorter); 6275 return new ParceledListSlice<ProviderInfo>(finalList); 6276 } 6277 6278 return ParceledListSlice.emptyList(); 6279 } 6280 6281 @Override 6282 public InstrumentationInfo getInstrumentationInfo(ComponentName name, int flags) { 6283 // reader 6284 synchronized (mPackages) { 6285 final PackageParser.Instrumentation i = mInstrumentation.get(name); 6286 return PackageParser.generateInstrumentationInfo(i, flags); 6287 } 6288 } 6289 6290 @Override 6291 public @NonNull ParceledListSlice<InstrumentationInfo> queryInstrumentation( 6292 String targetPackage, int flags) { 6293 return new ParceledListSlice<>(queryInstrumentationInternal(targetPackage, flags)); 6294 } 6295 6296 private @NonNull List<InstrumentationInfo> queryInstrumentationInternal(String targetPackage, 6297 int flags) { 6298 ArrayList<InstrumentationInfo> finalList = new ArrayList<InstrumentationInfo>(); 6299 6300 // reader 6301 synchronized (mPackages) { 6302 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 6303 while (i.hasNext()) { 6304 final PackageParser.Instrumentation p = i.next(); 6305 if (targetPackage == null 6306 || targetPackage.equals(p.info.targetPackage)) { 6307 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 6308 flags); 6309 if (ii != null) { 6310 finalList.add(ii); 6311 } 6312 } 6313 } 6314 } 6315 6316 return finalList; 6317 } 6318 6319 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 6320 ArrayMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 6321 if (overlays == null) { 6322 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 6323 return; 6324 } 6325 for (PackageParser.Package opkg : overlays.values()) { 6326 // Not much to do if idmap fails: we already logged the error 6327 // and we certainly don't want to abort installation of pkg simply 6328 // because an overlay didn't fit properly. For these reasons, 6329 // ignore the return value of createIdmapForPackagePairLI. 6330 createIdmapForPackagePairLI(pkg, opkg); 6331 } 6332 } 6333 6334 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 6335 PackageParser.Package opkg) { 6336 if (!opkg.mTrustedOverlay) { 6337 Slog.w(TAG, "Skipping target and overlay pair " + pkg.baseCodePath + " and " + 6338 opkg.baseCodePath + ": overlay not trusted"); 6339 return false; 6340 } 6341 ArrayMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 6342 if (overlaySet == null) { 6343 Slog.e(TAG, "was about to create idmap for " + pkg.baseCodePath + " and " + 6344 opkg.baseCodePath + " but target package has no known overlays"); 6345 return false; 6346 } 6347 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 6348 // TODO: generate idmap for split APKs 6349 try { 6350 mInstaller.idmap(pkg.baseCodePath, opkg.baseCodePath, sharedGid); 6351 } catch (InstallerException e) { 6352 Slog.e(TAG, "Failed to generate idmap for " + pkg.baseCodePath + " and " 6353 + opkg.baseCodePath); 6354 return false; 6355 } 6356 PackageParser.Package[] overlayArray = 6357 overlaySet.values().toArray(new PackageParser.Package[0]); 6358 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 6359 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 6360 return p1.mOverlayPriority - p2.mOverlayPriority; 6361 } 6362 }; 6363 Arrays.sort(overlayArray, cmp); 6364 6365 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 6366 int i = 0; 6367 for (PackageParser.Package p : overlayArray) { 6368 pkg.applicationInfo.resourceDirs[i++] = p.baseCodePath; 6369 } 6370 return true; 6371 } 6372 6373 private void scanDirTracedLI(File dir, int parseFlags, int scanFlags, long currentTime) { 6374 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanDir"); 6375 try { 6376 scanDirLI(dir, parseFlags, scanFlags, currentTime); 6377 } finally { 6378 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6379 } 6380 } 6381 6382 private void scanDirLI(File dir, int parseFlags, int scanFlags, long currentTime) { 6383 final File[] files = dir.listFiles(); 6384 if (ArrayUtils.isEmpty(files)) { 6385 Log.d(TAG, "No files in app dir " + dir); 6386 return; 6387 } 6388 6389 if (DEBUG_PACKAGE_SCANNING) { 6390 Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags 6391 + " flags=0x" + Integer.toHexString(parseFlags)); 6392 } 6393 6394 for (File file : files) { 6395 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 6396 && !PackageInstallerService.isStageName(file.getName()); 6397 if (!isPackage) { 6398 // Ignore entries which are not packages 6399 continue; 6400 } 6401 try { 6402 scanPackageTracedLI(file, parseFlags | PackageParser.PARSE_MUST_BE_APK, 6403 scanFlags, currentTime, null); 6404 } catch (PackageManagerException e) { 6405 Slog.w(TAG, "Failed to parse " + file + ": " + e.getMessage()); 6406 6407 // Delete invalid userdata apps 6408 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 && 6409 e.error == PackageManager.INSTALL_FAILED_INVALID_APK) { 6410 logCriticalInfo(Log.WARN, "Deleting invalid package at " + file); 6411 removeCodePathLI(file); 6412 } 6413 } 6414 } 6415 } 6416 6417 private static File getSettingsProblemFile() { 6418 File dataDir = Environment.getDataDirectory(); 6419 File systemDir = new File(dataDir, "system"); 6420 File fname = new File(systemDir, "uiderrors.txt"); 6421 return fname; 6422 } 6423 6424 static void reportSettingsProblem(int priority, String msg) { 6425 logCriticalInfo(priority, msg); 6426 } 6427 6428 static void logCriticalInfo(int priority, String msg) { 6429 Slog.println(priority, TAG, msg); 6430 EventLogTags.writePmCriticalInfo(msg); 6431 try { 6432 File fname = getSettingsProblemFile(); 6433 FileOutputStream out = new FileOutputStream(fname, true); 6434 PrintWriter pw = new FastPrintWriter(out); 6435 SimpleDateFormat formatter = new SimpleDateFormat(); 6436 String dateString = formatter.format(new Date(System.currentTimeMillis())); 6437 pw.println(dateString + ": " + msg); 6438 pw.close(); 6439 FileUtils.setPermissions( 6440 fname.toString(), 6441 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 6442 -1, -1); 6443 } catch (java.io.IOException e) { 6444 } 6445 } 6446 6447 private void collectCertificatesLI(PackageSetting ps, PackageParser.Package pkg, File srcFile, 6448 int parseFlags) throws PackageManagerException { 6449 if (ps != null 6450 && ps.codePath.equals(srcFile) 6451 && ps.timeStamp == srcFile.lastModified() 6452 && !isCompatSignatureUpdateNeeded(pkg) 6453 && !isRecoverSignatureUpdateNeeded(pkg)) { 6454 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 6455 KeySetManagerService ksms = mSettings.mKeySetManagerService; 6456 ArraySet<PublicKey> signingKs; 6457 synchronized (mPackages) { 6458 signingKs = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId); 6459 } 6460 if (ps.signatures.mSignatures != null 6461 && ps.signatures.mSignatures.length != 0 6462 && signingKs != null) { 6463 // Optimization: reuse the existing cached certificates 6464 // if the package appears to be unchanged. 6465 pkg.mSignatures = ps.signatures.mSignatures; 6466 pkg.mSigningKeys = signingKs; 6467 return; 6468 } 6469 6470 Slog.w(TAG, "PackageSetting for " + ps.name 6471 + " is missing signatures. Collecting certs again to recover them."); 6472 } else { 6473 Log.i(TAG, srcFile.toString() + " changed; collecting certs"); 6474 } 6475 6476 try { 6477 PackageParser.collectCertificates(pkg, parseFlags); 6478 } catch (PackageParserException e) { 6479 throw PackageManagerException.from(e); 6480 } 6481 } 6482 6483 /** 6484 * Traces a package scan. 6485 * @see #scanPackageLI(File, int, int, long, UserHandle) 6486 */ 6487 private PackageParser.Package scanPackageTracedLI(File scanFile, int parseFlags, int scanFlags, 6488 long currentTime, UserHandle user) throws PackageManagerException { 6489 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 6490 try { 6491 return scanPackageLI(scanFile, parseFlags, scanFlags, currentTime, user); 6492 } finally { 6493 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6494 } 6495 } 6496 6497 /** 6498 * Scans a package and returns the newly parsed package. 6499 * Returns {@code null} in case of errors and the error code is stored in mLastScanError 6500 */ 6501 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags, 6502 long currentTime, UserHandle user) throws PackageManagerException { 6503 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 6504 parseFlags |= mDefParseFlags; 6505 PackageParser pp = new PackageParser(); 6506 pp.setSeparateProcesses(mSeparateProcesses); 6507 pp.setOnlyCoreApps(mOnlyCore); 6508 pp.setDisplayMetrics(mMetrics); 6509 6510 if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) { 6511 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 6512 } 6513 6514 final PackageParser.Package pkg; 6515 try { 6516 pkg = pp.parsePackage(scanFile, parseFlags); 6517 } catch (PackageParserException e) { 6518 throw PackageManagerException.from(e); 6519 } 6520 6521 return scanPackageLI(pkg, scanFile, parseFlags, scanFlags, currentTime, user); 6522 } 6523 6524 /** 6525 * Scans a package and returns the newly parsed package. 6526 * @throws PackageManagerException on a parse error. 6527 */ 6528 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, File scanFile, 6529 int parseFlags, int scanFlags, long currentTime, UserHandle user) 6530 throws PackageManagerException { 6531 // If the package has children and this is the first dive in the function 6532 // we scan the package with the SCAN_CHECK_ONLY flag set to see whether all 6533 // packages (parent and children) would be successfully scanned before the 6534 // actual scan since scanning mutates internal state and we want to atomically 6535 // install the package and its children. 6536 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 6537 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 6538 scanFlags |= SCAN_CHECK_ONLY; 6539 } 6540 } else { 6541 scanFlags &= ~SCAN_CHECK_ONLY; 6542 } 6543 6544 // Scan the parent 6545 PackageParser.Package scannedPkg = scanPackageInternalLI(pkg, scanFile, parseFlags, 6546 scanFlags, currentTime, user); 6547 6548 // Scan the children 6549 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 6550 for (int i = 0; i < childCount; i++) { 6551 PackageParser.Package childPackage = pkg.childPackages.get(i); 6552 scanPackageInternalLI(childPackage, scanFile, parseFlags, scanFlags, 6553 currentTime, user); 6554 } 6555 6556 6557 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 6558 return scanPackageLI(pkg, scanFile, parseFlags, scanFlags, currentTime, user); 6559 } 6560 6561 return scannedPkg; 6562 } 6563 6564 /** 6565 * Scans a package and returns the newly parsed package. 6566 * @throws PackageManagerException on a parse error. 6567 */ 6568 private PackageParser.Package scanPackageInternalLI(PackageParser.Package pkg, File scanFile, 6569 int parseFlags, int scanFlags, long currentTime, UserHandle user) 6570 throws PackageManagerException { 6571 PackageSetting ps = null; 6572 PackageSetting updatedPkg; 6573 // reader 6574 synchronized (mPackages) { 6575 // Look to see if we already know about this package. 6576 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 6577 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 6578 // This package has been renamed to its original name. Let's 6579 // use that. 6580 ps = mSettings.peekPackageLPr(oldName); 6581 } 6582 // If there was no original package, see one for the real package name. 6583 if (ps == null) { 6584 ps = mSettings.peekPackageLPr(pkg.packageName); 6585 } 6586 // Check to see if this package could be hiding/updating a system 6587 // package. Must look for it either under the original or real 6588 // package name depending on our state. 6589 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 6590 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 6591 6592 // If this is a package we don't know about on the system partition, we 6593 // may need to remove disabled child packages on the system partition 6594 // or may need to not add child packages if the parent apk is updated 6595 // on the data partition and no longer defines this child package. 6596 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6597 // If this is a parent package for an updated system app and this system 6598 // app got an OTA update which no longer defines some of the child packages 6599 // we have to prune them from the disabled system packages. 6600 PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(pkg.packageName); 6601 if (disabledPs != null) { 6602 final int scannedChildCount = (pkg.childPackages != null) 6603 ? pkg.childPackages.size() : 0; 6604 final int disabledChildCount = disabledPs.childPackageNames != null 6605 ? disabledPs.childPackageNames.size() : 0; 6606 for (int i = 0; i < disabledChildCount; i++) { 6607 String disabledChildPackageName = disabledPs.childPackageNames.get(i); 6608 boolean disabledPackageAvailable = false; 6609 for (int j = 0; j < scannedChildCount; j++) { 6610 PackageParser.Package childPkg = pkg.childPackages.get(j); 6611 if (childPkg.packageName.equals(disabledChildPackageName)) { 6612 disabledPackageAvailable = true; 6613 break; 6614 } 6615 } 6616 if (!disabledPackageAvailable) { 6617 mSettings.removeDisabledSystemPackageLPw(disabledChildPackageName); 6618 } 6619 } 6620 } 6621 } 6622 } 6623 6624 boolean updatedPkgBetter = false; 6625 // First check if this is a system package that may involve an update 6626 if (updatedPkg != null && (parseFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6627 // If new package is not located in "/system/priv-app" (e.g. due to an OTA), 6628 // it needs to drop FLAG_PRIVILEGED. 6629 if (locationIsPrivileged(scanFile)) { 6630 updatedPkg.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6631 } else { 6632 updatedPkg.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6633 } 6634 6635 if (ps != null && !ps.codePath.equals(scanFile)) { 6636 // The path has changed from what was last scanned... check the 6637 // version of the new path against what we have stored to determine 6638 // what to do. 6639 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 6640 if (pkg.mVersionCode <= ps.versionCode) { 6641 // The system package has been updated and the code path does not match 6642 // Ignore entry. Skip it. 6643 if (DEBUG_INSTALL) Slog.i(TAG, "Package " + ps.name + " at " + scanFile 6644 + " ignored: updated version " + ps.versionCode 6645 + " better than this " + pkg.mVersionCode); 6646 if (!updatedPkg.codePath.equals(scanFile)) { 6647 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg " 6648 + ps.name + " changing from " + updatedPkg.codePathString 6649 + " to " + scanFile); 6650 updatedPkg.codePath = scanFile; 6651 updatedPkg.codePathString = scanFile.toString(); 6652 updatedPkg.resourcePath = scanFile; 6653 updatedPkg.resourcePathString = scanFile.toString(); 6654 } 6655 updatedPkg.pkg = pkg; 6656 updatedPkg.versionCode = pkg.mVersionCode; 6657 6658 // Update the disabled system child packages to point to the package too. 6659 final int childCount = updatedPkg.childPackageNames != null 6660 ? updatedPkg.childPackageNames.size() : 0; 6661 for (int i = 0; i < childCount; i++) { 6662 String childPackageName = updatedPkg.childPackageNames.get(i); 6663 PackageSetting updatedChildPkg = mSettings.getDisabledSystemPkgLPr( 6664 childPackageName); 6665 if (updatedChildPkg != null) { 6666 updatedChildPkg.pkg = pkg; 6667 updatedChildPkg.versionCode = pkg.mVersionCode; 6668 } 6669 } 6670 6671 throw new PackageManagerException(Log.WARN, "Package " + ps.name + " at " 6672 + scanFile + " ignored: updated version " + ps.versionCode 6673 + " better than this " + pkg.mVersionCode); 6674 } else { 6675 // The current app on the system partition is better than 6676 // what we have updated to on the data partition; switch 6677 // back to the system partition version. 6678 // At this point, its safely assumed that package installation for 6679 // apps in system partition will go through. If not there won't be a working 6680 // version of the app 6681 // writer 6682 synchronized (mPackages) { 6683 // Just remove the loaded entries from package lists. 6684 mPackages.remove(ps.name); 6685 } 6686 6687 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 6688 + " reverting from " + ps.codePathString 6689 + ": new version " + pkg.mVersionCode 6690 + " better than installed " + ps.versionCode); 6691 6692 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 6693 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 6694 synchronized (mInstallLock) { 6695 args.cleanUpResourcesLI(); 6696 } 6697 synchronized (mPackages) { 6698 mSettings.enableSystemPackageLPw(ps.name); 6699 } 6700 updatedPkgBetter = true; 6701 } 6702 } 6703 } 6704 6705 if (updatedPkg != null) { 6706 // An updated system app will not have the PARSE_IS_SYSTEM flag set 6707 // initially 6708 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 6709 6710 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 6711 // flag set initially 6712 if ((updatedPkg.pkgPrivateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0) { 6713 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 6714 } 6715 } 6716 6717 // Verify certificates against what was last scanned 6718 collectCertificatesLI(ps, pkg, scanFile, parseFlags); 6719 6720 /* 6721 * A new system app appeared, but we already had a non-system one of the 6722 * same name installed earlier. 6723 */ 6724 boolean shouldHideSystemApp = false; 6725 if (updatedPkg == null && ps != null 6726 && (parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 6727 /* 6728 * Check to make sure the signatures match first. If they don't, 6729 * wipe the installed application and its data. 6730 */ 6731 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 6732 != PackageManager.SIGNATURE_MATCH) { 6733 logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but" 6734 + " signatures don't match existing userdata copy; removing"); 6735 deletePackageLI(pkg.packageName, null, true, null, 0, null, false, null); 6736 ps = null; 6737 } else { 6738 /* 6739 * If the newly-added system app is an older version than the 6740 * already installed version, hide it. It will be scanned later 6741 * and re-added like an update. 6742 */ 6743 if (pkg.mVersionCode <= ps.versionCode) { 6744 shouldHideSystemApp = true; 6745 logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile 6746 + " but new version " + pkg.mVersionCode + " better than installed " 6747 + ps.versionCode + "; hiding system"); 6748 } else { 6749 /* 6750 * The newly found system app is a newer version that the 6751 * one previously installed. Simply remove the 6752 * already-installed application and replace it with our own 6753 * while keeping the application data. 6754 */ 6755 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 6756 + " reverting from " + ps.codePathString + ": new version " 6757 + pkg.mVersionCode + " better than installed " + ps.versionCode); 6758 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 6759 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 6760 synchronized (mInstallLock) { 6761 args.cleanUpResourcesLI(); 6762 } 6763 } 6764 } 6765 } 6766 6767 // The apk is forward locked (not public) if its code and resources 6768 // are kept in different files. (except for app in either system or 6769 // vendor path). 6770 // TODO grab this value from PackageSettings 6771 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 6772 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 6773 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 6774 } 6775 } 6776 6777 // TODO: extend to support forward-locked splits 6778 String resourcePath = null; 6779 String baseResourcePath = null; 6780 if ((parseFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 6781 if (ps != null && ps.resourcePathString != null) { 6782 resourcePath = ps.resourcePathString; 6783 baseResourcePath = ps.resourcePathString; 6784 } else { 6785 // Should not happen at all. Just log an error. 6786 Slog.e(TAG, "Resource path not set for package " + pkg.packageName); 6787 } 6788 } else { 6789 resourcePath = pkg.codePath; 6790 baseResourcePath = pkg.baseCodePath; 6791 } 6792 6793 // Set application objects path explicitly. 6794 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 6795 pkg.setApplicationInfoCodePath(pkg.codePath); 6796 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 6797 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 6798 pkg.setApplicationInfoResourcePath(resourcePath); 6799 pkg.setApplicationInfoBaseResourcePath(baseResourcePath); 6800 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 6801 6802 // Note that we invoke the following method only if we are about to unpack an application 6803 PackageParser.Package scannedPkg = scanPackageLI(pkg, parseFlags, scanFlags 6804 | SCAN_UPDATE_SIGNATURE, currentTime, user); 6805 6806 /* 6807 * If the system app should be overridden by a previously installed 6808 * data, hide the system app now and let the /data/app scan pick it up 6809 * again. 6810 */ 6811 if (shouldHideSystemApp) { 6812 synchronized (mPackages) { 6813 mSettings.disableSystemPackageLPw(pkg.packageName, true); 6814 } 6815 } 6816 6817 return scannedPkg; 6818 } 6819 6820 private static String fixProcessName(String defProcessName, 6821 String processName, int uid) { 6822 if (processName == null) { 6823 return defProcessName; 6824 } 6825 return processName; 6826 } 6827 6828 private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) 6829 throws PackageManagerException { 6830 if (pkgSetting.signatures.mSignatures != null) { 6831 // Already existing package. Make sure signatures match 6832 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 6833 == PackageManager.SIGNATURE_MATCH; 6834 if (!match) { 6835 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 6836 == PackageManager.SIGNATURE_MATCH; 6837 } 6838 if (!match) { 6839 match = compareSignaturesRecover(pkgSetting.signatures, pkg) 6840 == PackageManager.SIGNATURE_MATCH; 6841 } 6842 if (!match) { 6843 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 6844 + pkg.packageName + " signatures do not match the " 6845 + "previously installed version; ignoring!"); 6846 } 6847 } 6848 6849 // Check for shared user signatures 6850 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 6851 // Already existing package. Make sure signatures match 6852 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 6853 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 6854 if (!match) { 6855 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 6856 == PackageManager.SIGNATURE_MATCH; 6857 } 6858 if (!match) { 6859 match = compareSignaturesRecover(pkgSetting.sharedUser.signatures, pkg) 6860 == PackageManager.SIGNATURE_MATCH; 6861 } 6862 if (!match) { 6863 throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 6864 "Package " + pkg.packageName 6865 + " has no signatures that match those in shared user " 6866 + pkgSetting.sharedUser.name + "; ignoring!"); 6867 } 6868 } 6869 } 6870 6871 /** 6872 * Enforces that only the system UID or root's UID can call a method exposed 6873 * via Binder. 6874 * 6875 * @param message used as message if SecurityException is thrown 6876 * @throws SecurityException if the caller is not system or root 6877 */ 6878 private static final void enforceSystemOrRoot(String message) { 6879 final int uid = Binder.getCallingUid(); 6880 if (uid != Process.SYSTEM_UID && uid != 0) { 6881 throw new SecurityException(message); 6882 } 6883 } 6884 6885 @Override 6886 public void performFstrimIfNeeded() { 6887 enforceSystemOrRoot("Only the system can request fstrim"); 6888 6889 // Before everything else, see whether we need to fstrim. 6890 try { 6891 IMountService ms = PackageHelper.getMountService(); 6892 if (ms != null) { 6893 final boolean isUpgrade = isUpgrade(); 6894 boolean doTrim = isUpgrade; 6895 if (doTrim) { 6896 Slog.w(TAG, "Running disk maintenance immediately due to system update"); 6897 } else { 6898 final long interval = android.provider.Settings.Global.getLong( 6899 mContext.getContentResolver(), 6900 android.provider.Settings.Global.FSTRIM_MANDATORY_INTERVAL, 6901 DEFAULT_MANDATORY_FSTRIM_INTERVAL); 6902 if (interval > 0) { 6903 final long timeSinceLast = System.currentTimeMillis() - ms.lastMaintenance(); 6904 if (timeSinceLast > interval) { 6905 doTrim = true; 6906 Slog.w(TAG, "No disk maintenance in " + timeSinceLast 6907 + "; running immediately"); 6908 } 6909 } 6910 } 6911 if (doTrim) { 6912 if (!isFirstBoot()) { 6913 try { 6914 ActivityManagerNative.getDefault().showBootMessage( 6915 mContext.getResources().getString( 6916 R.string.android_upgrading_fstrim), true); 6917 } catch (RemoteException e) { 6918 } 6919 } 6920 ms.runMaintenance(); 6921 } 6922 } else { 6923 Slog.e(TAG, "Mount service unavailable!"); 6924 } 6925 } catch (RemoteException e) { 6926 // Can't happen; MountService is local 6927 } 6928 } 6929 6930 @Override 6931 public void updatePackagesIfNeeded() { 6932 enforceSystemOrRoot("Only the system can request package update"); 6933 6934 // We need to re-extract after an OTA. 6935 boolean causeUpgrade = isUpgrade(); 6936 6937 // First boot or factory reset. 6938 // Note: we also handle devices that are upgrading to N right now as if it is their 6939 // first boot, as they do not have profile data. 6940 boolean causeFirstBoot = isFirstBoot() || mIsPreNUpgrade; 6941 6942 // We need to re-extract after a pruned cache, as AoT-ed files will be out of date. 6943 boolean causePrunedCache = VMRuntime.didPruneDalvikCache(); 6944 6945 if (!causeUpgrade && !causeFirstBoot && !causePrunedCache) { 6946 return; 6947 } 6948 6949 List<PackageParser.Package> pkgs; 6950 synchronized (mPackages) { 6951 pkgs = PackageManagerServiceUtils.getPackagesForDexopt(mPackages.values(), this); 6952 } 6953 6954 int curr = 0; 6955 int total = pkgs.size(); 6956 for (PackageParser.Package pkg : pkgs) { 6957 curr++; 6958 6959 if (DEBUG_DEXOPT) { 6960 Log.i(TAG, "Extracting app " + curr + " of " + total + ": " + pkg.packageName); 6961 } 6962 6963 if (PackageDexOptimizer.canOptimizePackage(pkg)) { 6964 // If the cache was pruned, any compiled odex files will likely be out of date 6965 // and would have to be patched (would be SELF_PATCHOAT, which is deprecated). 6966 // Instead, force the extraction in this case. 6967 performDexOpt(pkg.packageName, 6968 null /* instructionSet */, 6969 false /* checkProfiles */, 6970 causeFirstBoot ? REASON_FIRST_BOOT : REASON_BOOT, 6971 false /* force */); 6972 } 6973 } 6974 } 6975 6976 @Override 6977 public void notifyPackageUse(String packageName) { 6978 synchronized (mPackages) { 6979 PackageParser.Package p = mPackages.get(packageName); 6980 if (p == null) { 6981 return; 6982 } 6983 p.mLastPackageUsageTimeInMills = System.currentTimeMillis(); 6984 } 6985 } 6986 6987 // TODO: this is not used nor needed. Delete it. 6988 @Override 6989 public boolean performDexOptIfNeeded(String packageName, String instructionSet) { 6990 return performDexOptTraced(packageName, instructionSet, false /* checkProfiles */, 6991 getFullCompilerFilter(), false /* force */); 6992 } 6993 6994 @Override 6995 public boolean performDexOpt(String packageName, String instructionSet, 6996 boolean checkProfiles, int compileReason, boolean force) { 6997 return performDexOptTraced(packageName, instructionSet, checkProfiles, 6998 getCompilerFilterForReason(compileReason), force); 6999 } 7000 7001 @Override 7002 public boolean performDexOptMode(String packageName, String instructionSet, 7003 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7004 return performDexOptTraced(packageName, instructionSet, checkProfiles, 7005 targetCompilerFilter, force); 7006 } 7007 7008 private boolean performDexOptTraced(String packageName, String instructionSet, 7009 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7010 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 7011 try { 7012 return performDexOptInternal(packageName, instructionSet, checkProfiles, 7013 targetCompilerFilter, force); 7014 } finally { 7015 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7016 } 7017 } 7018 7019 private boolean performDexOptInternal(String packageName, String instructionSet, 7020 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7021 PackageParser.Package p; 7022 final String targetInstructionSet; 7023 synchronized (mPackages) { 7024 p = mPackages.get(packageName); 7025 if (p == null) { 7026 return false; 7027 } 7028 mPackageUsage.write(false); 7029 7030 targetInstructionSet = instructionSet != null ? instructionSet : 7031 getPrimaryInstructionSet(p.applicationInfo); 7032 } 7033 long callingId = Binder.clearCallingIdentity(); 7034 try { 7035 synchronized (mInstallLock) { 7036 final String[] instructionSets = new String[] { targetInstructionSet }; 7037 int result = performDexOptInternalWithDependenciesLI(p, instructionSets, 7038 checkProfiles, targetCompilerFilter, force); 7039 return result == PackageDexOptimizer.DEX_OPT_PERFORMED; 7040 } 7041 } finally { 7042 Binder.restoreCallingIdentity(callingId); 7043 } 7044 } 7045 7046 public ArraySet<String> getOptimizablePackages() { 7047 ArraySet<String> pkgs = new ArraySet<String>(); 7048 synchronized (mPackages) { 7049 for (PackageParser.Package p : mPackages.values()) { 7050 if (PackageDexOptimizer.canOptimizePackage(p)) { 7051 pkgs.add(p.packageName); 7052 } 7053 } 7054 } 7055 return pkgs; 7056 } 7057 7058 private int performDexOptInternalWithDependenciesLI(PackageParser.Package p, 7059 String instructionSets[], boolean checkProfiles, String targetCompilerFilter, 7060 boolean force) { 7061 // Select the dex optimizer based on the force parameter. 7062 // Note: The force option is rarely used (cmdline input for testing, mostly), so it's OK to 7063 // allocate an object here. 7064 PackageDexOptimizer pdo = force 7065 ? new PackageDexOptimizer.ForcedUpdatePackageDexOptimizer(mPackageDexOptimizer) 7066 : mPackageDexOptimizer; 7067 7068 // Optimize all dependencies first. Note: we ignore the return value and march on 7069 // on errors. 7070 Collection<PackageParser.Package> deps = findSharedNonSystemLibraries(p); 7071 if (!deps.isEmpty()) { 7072 for (PackageParser.Package depPackage : deps) { 7073 // TODO: Analyze and investigate if we (should) profile libraries. 7074 // Currently this will do a full compilation of the library by default. 7075 pdo.performDexOpt(depPackage, instructionSets, false /* checkProfiles */, 7076 getCompilerFilterForReason(REASON_NON_SYSTEM_LIBRARY)); 7077 } 7078 } 7079 7080 return pdo.performDexOpt(p, instructionSets, checkProfiles, targetCompilerFilter); 7081 } 7082 7083 Collection<PackageParser.Package> findSharedNonSystemLibraries(PackageParser.Package p) { 7084 if (p.usesLibraries != null || p.usesOptionalLibraries != null) { 7085 ArrayList<PackageParser.Package> retValue = new ArrayList<>(); 7086 Set<String> collectedNames = new HashSet<>(); 7087 findSharedNonSystemLibrariesRecursive(p, retValue, collectedNames); 7088 7089 retValue.remove(p); 7090 7091 return retValue; 7092 } else { 7093 return Collections.emptyList(); 7094 } 7095 } 7096 7097 private void findSharedNonSystemLibrariesRecursive(PackageParser.Package p, 7098 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 7099 if (!collectedNames.contains(p.packageName)) { 7100 collectedNames.add(p.packageName); 7101 collected.add(p); 7102 7103 if (p.usesLibraries != null) { 7104 findSharedNonSystemLibrariesRecursive(p.usesLibraries, collected, collectedNames); 7105 } 7106 if (p.usesOptionalLibraries != null) { 7107 findSharedNonSystemLibrariesRecursive(p.usesOptionalLibraries, collected, 7108 collectedNames); 7109 } 7110 } 7111 } 7112 7113 private void findSharedNonSystemLibrariesRecursive(Collection<String> libs, 7114 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 7115 for (String libName : libs) { 7116 PackageParser.Package libPkg = findSharedNonSystemLibrary(libName); 7117 if (libPkg != null) { 7118 findSharedNonSystemLibrariesRecursive(libPkg, collected, collectedNames); 7119 } 7120 } 7121 } 7122 7123 private PackageParser.Package findSharedNonSystemLibrary(String libName) { 7124 synchronized (mPackages) { 7125 PackageManagerService.SharedLibraryEntry lib = mSharedLibraries.get(libName); 7126 if (lib != null && lib.apk != null) { 7127 return mPackages.get(lib.apk); 7128 } 7129 } 7130 return null; 7131 } 7132 7133 public void shutdown() { 7134 mPackageUsage.write(true); 7135 } 7136 7137 @Override 7138 public void forceDexOpt(String packageName) { 7139 enforceSystemOrRoot("forceDexOpt"); 7140 7141 PackageParser.Package pkg; 7142 synchronized (mPackages) { 7143 pkg = mPackages.get(packageName); 7144 if (pkg == null) { 7145 throw new IllegalArgumentException("Unknown package: " + packageName); 7146 } 7147 } 7148 7149 synchronized (mInstallLock) { 7150 final String[] instructionSets = new String[] { 7151 getPrimaryInstructionSet(pkg.applicationInfo) }; 7152 7153 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 7154 7155 // Whoever is calling forceDexOpt wants a fully compiled package. 7156 // Don't use profiles since that may cause compilation to be skipped. 7157 final int res = performDexOptInternalWithDependenciesLI(pkg, instructionSets, 7158 false /* checkProfiles */, getCompilerFilterForReason(REASON_FORCED_DEXOPT), 7159 true /* force */); 7160 7161 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7162 if (res != PackageDexOptimizer.DEX_OPT_PERFORMED) { 7163 throw new IllegalStateException("Failed to dexopt: " + res); 7164 } 7165 } 7166 } 7167 7168 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 7169 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 7170 Slog.w(TAG, "Unable to update from " + oldPkg.name 7171 + " to " + newPkg.packageName 7172 + ": old package not in system partition"); 7173 return false; 7174 } else if (mPackages.get(oldPkg.name) != null) { 7175 Slog.w(TAG, "Unable to update from " + oldPkg.name 7176 + " to " + newPkg.packageName 7177 + ": old package still exists"); 7178 return false; 7179 } 7180 return true; 7181 } 7182 7183 private boolean removeDataDirsLI(String volumeUuid, String packageName) { 7184 // TODO: triage flags as part of 26466827 7185 final int flags = StorageManager.FLAG_STORAGE_CE | StorageManager.FLAG_STORAGE_DE; 7186 7187 boolean res = true; 7188 final int[] users = sUserManager.getUserIds(); 7189 for (int user : users) { 7190 try { 7191 mInstaller.destroyAppData(volumeUuid, packageName, user, flags); 7192 } catch (InstallerException e) { 7193 Slog.w(TAG, "Failed to delete data directory", e); 7194 res = false; 7195 } 7196 } 7197 return res; 7198 } 7199 7200 void removeCodePathLI(File codePath) { 7201 if (codePath.isDirectory()) { 7202 try { 7203 mInstaller.rmPackageDir(codePath.getAbsolutePath()); 7204 } catch (InstallerException e) { 7205 Slog.w(TAG, "Failed to remove code path", e); 7206 } 7207 } else { 7208 codePath.delete(); 7209 } 7210 } 7211 7212 void destroyAppDataLI(String volumeUuid, String packageName, int userId, int flags) { 7213 try { 7214 mInstaller.destroyAppData(volumeUuid, packageName, userId, flags); 7215 } catch (InstallerException e) { 7216 Slog.w(TAG, "Failed to destroy app data", e); 7217 } 7218 } 7219 7220 void restoreconAppDataLI(String volumeUuid, String packageName, int userId, int flags, 7221 int appId, String seinfo) { 7222 try { 7223 mInstaller.restoreconAppData(volumeUuid, packageName, userId, flags, appId, seinfo); 7224 } catch (InstallerException e) { 7225 Slog.e(TAG, "Failed to restorecon for " + packageName + ": " + e); 7226 } 7227 } 7228 7229 private void deleteProfilesLI(String packageName, boolean destroy) { 7230 final PackageParser.Package pkg; 7231 synchronized (mPackages) { 7232 pkg = mPackages.get(packageName); 7233 } 7234 if (pkg == null) { 7235 Slog.w(TAG, "Failed to delete profiles. No package: " + packageName); 7236 return; 7237 } 7238 deleteProfilesLI(pkg, destroy); 7239 } 7240 7241 private void deleteProfilesLI(PackageParser.Package pkg, boolean destroy) { 7242 try { 7243 if (destroy) { 7244 mInstaller.destroyAppProfiles(pkg.packageName); 7245 } else { 7246 mInstaller.clearAppProfiles(pkg.packageName); 7247 } 7248 } catch (InstallerException ex) { 7249 Log.e(TAG, "Could not delete profiles for package " + pkg.packageName); 7250 } 7251 } 7252 7253 private void deleteCodeCacheDirsLI(String volumeUuid, String packageName) { 7254 final PackageParser.Package pkg; 7255 synchronized (mPackages) { 7256 pkg = mPackages.get(packageName); 7257 } 7258 if (pkg == null) { 7259 Slog.w(TAG, "Failed to delete code cache directory. No package: " + packageName); 7260 return; 7261 } 7262 deleteCodeCacheDirsLI(pkg); 7263 } 7264 7265 private void deleteCodeCacheDirsLI(PackageParser.Package pkg) { 7266 // TODO: triage flags as part of 26466827 7267 final int flags = StorageManager.FLAG_STORAGE_CE | StorageManager.FLAG_STORAGE_DE; 7268 7269 int[] users = sUserManager.getUserIds(); 7270 int res = 0; 7271 for (int user : users) { 7272 // Remove the parent code cache 7273 try { 7274 mInstaller.clearAppData(pkg.volumeUuid, pkg.packageName, user, 7275 flags | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 7276 } catch (InstallerException e) { 7277 Slog.w(TAG, "Failed to delete code cache directory", e); 7278 } 7279 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7280 for (int i = 0; i < childCount; i++) { 7281 PackageParser.Package childPkg = pkg.childPackages.get(i); 7282 // Remove the child code cache 7283 try { 7284 mInstaller.clearAppData(childPkg.volumeUuid, childPkg.packageName, 7285 user, flags | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 7286 } catch (InstallerException e) { 7287 Slog.w(TAG, "Failed to delete code cache directory", e); 7288 } 7289 } 7290 } 7291 } 7292 7293 private void setInstallAndUpdateTime(PackageParser.Package pkg, long firstInstallTime, 7294 long lastUpdateTime) { 7295 // Set parent install/update time 7296 PackageSetting ps = (PackageSetting) pkg.mExtras; 7297 if (ps != null) { 7298 ps.firstInstallTime = firstInstallTime; 7299 ps.lastUpdateTime = lastUpdateTime; 7300 } 7301 // Set children install/update time 7302 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7303 for (int i = 0; i < childCount; i++) { 7304 PackageParser.Package childPkg = pkg.childPackages.get(i); 7305 ps = (PackageSetting) childPkg.mExtras; 7306 if (ps != null) { 7307 ps.firstInstallTime = firstInstallTime; 7308 ps.lastUpdateTime = lastUpdateTime; 7309 } 7310 } 7311 } 7312 7313 private void addSharedLibraryLPw(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 7314 PackageParser.Package changingLib) { 7315 if (file.path != null) { 7316 usesLibraryFiles.add(file.path); 7317 return; 7318 } 7319 PackageParser.Package p = mPackages.get(file.apk); 7320 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 7321 // If we are doing this while in the middle of updating a library apk, 7322 // then we need to make sure to use that new apk for determining the 7323 // dependencies here. (We haven't yet finished committing the new apk 7324 // to the package manager state.) 7325 if (p == null || p.packageName.equals(changingLib.packageName)) { 7326 p = changingLib; 7327 } 7328 } 7329 if (p != null) { 7330 usesLibraryFiles.addAll(p.getAllCodePaths()); 7331 } 7332 } 7333 7334 private void updateSharedLibrariesLPw(PackageParser.Package pkg, 7335 PackageParser.Package changingLib) throws PackageManagerException { 7336 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 7337 final ArraySet<String> usesLibraryFiles = new ArraySet<>(); 7338 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 7339 for (int i=0; i<N; i++) { 7340 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 7341 if (file == null) { 7342 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 7343 "Package " + pkg.packageName + " requires unavailable shared library " 7344 + pkg.usesLibraries.get(i) + "; failing!"); 7345 } 7346 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 7347 } 7348 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 7349 for (int i=0; i<N; i++) { 7350 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 7351 if (file == null) { 7352 Slog.w(TAG, "Package " + pkg.packageName 7353 + " desires unavailable shared library " 7354 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 7355 } else { 7356 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 7357 } 7358 } 7359 N = usesLibraryFiles.size(); 7360 if (N > 0) { 7361 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]); 7362 } else { 7363 pkg.usesLibraryFiles = null; 7364 } 7365 } 7366 } 7367 7368 private static boolean hasString(List<String> list, List<String> which) { 7369 if (list == null) { 7370 return false; 7371 } 7372 for (int i=list.size()-1; i>=0; i--) { 7373 for (int j=which.size()-1; j>=0; j--) { 7374 if (which.get(j).equals(list.get(i))) { 7375 return true; 7376 } 7377 } 7378 } 7379 return false; 7380 } 7381 7382 private void updateAllSharedLibrariesLPw() { 7383 for (PackageParser.Package pkg : mPackages.values()) { 7384 try { 7385 updateSharedLibrariesLPw(pkg, null); 7386 } catch (PackageManagerException e) { 7387 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 7388 } 7389 } 7390 } 7391 7392 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 7393 PackageParser.Package changingPkg) { 7394 ArrayList<PackageParser.Package> res = null; 7395 for (PackageParser.Package pkg : mPackages.values()) { 7396 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 7397 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 7398 if (res == null) { 7399 res = new ArrayList<PackageParser.Package>(); 7400 } 7401 res.add(pkg); 7402 try { 7403 updateSharedLibrariesLPw(pkg, changingPkg); 7404 } catch (PackageManagerException e) { 7405 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 7406 } 7407 } 7408 } 7409 return res; 7410 } 7411 7412 /** 7413 * Derive the value of the {@code cpuAbiOverride} based on the provided 7414 * value and an optional stored value from the package settings. 7415 */ 7416 private static String deriveAbiOverride(String abiOverride, PackageSetting settings) { 7417 String cpuAbiOverride = null; 7418 7419 if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) { 7420 cpuAbiOverride = null; 7421 } else if (abiOverride != null) { 7422 cpuAbiOverride = abiOverride; 7423 } else if (settings != null) { 7424 cpuAbiOverride = settings.cpuAbiOverrideString; 7425 } 7426 7427 return cpuAbiOverride; 7428 } 7429 7430 private PackageParser.Package scanPackageTracedLI(PackageParser.Package pkg, int parseFlags, 7431 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 7432 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 7433 // If the package has children and this is the first dive in the function 7434 // we recursively scan the package with the SCAN_CHECK_ONLY flag set to see 7435 // whether all packages (parent and children) would be successfully scanned 7436 // before the actual scan since scanning mutates internal state and we want 7437 // to atomically install the package and its children. 7438 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7439 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 7440 scanFlags |= SCAN_CHECK_ONLY; 7441 } 7442 } else { 7443 scanFlags &= ~SCAN_CHECK_ONLY; 7444 } 7445 7446 final PackageParser.Package scannedPkg; 7447 try { 7448 // Scan the parent 7449 scannedPkg = scanPackageLI(pkg, parseFlags, scanFlags, currentTime, user); 7450 // Scan the children 7451 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7452 for (int i = 0; i < childCount; i++) { 7453 PackageParser.Package childPkg = pkg.childPackages.get(i); 7454 scanPackageLI(childPkg, parseFlags, 7455 scanFlags, currentTime, user); 7456 } 7457 } finally { 7458 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7459 } 7460 7461 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 7462 return scanPackageTracedLI(pkg, parseFlags, scanFlags, currentTime, user); 7463 } 7464 7465 return scannedPkg; 7466 } 7467 7468 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, int parseFlags, 7469 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 7470 boolean success = false; 7471 try { 7472 final PackageParser.Package res = scanPackageDirtyLI(pkg, parseFlags, scanFlags, 7473 currentTime, user); 7474 success = true; 7475 return res; 7476 } finally { 7477 if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 7478 removeDataDirsLI(pkg.volumeUuid, pkg.packageName); 7479 } 7480 } 7481 } 7482 7483 private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, int parseFlags, 7484 int scanFlags, long currentTime, UserHandle user) 7485 throws PackageManagerException { 7486 final File scanFile = new File(pkg.codePath); 7487 if (pkg.applicationInfo.getCodePath() == null || 7488 pkg.applicationInfo.getResourcePath() == null) { 7489 // Bail out. The resource and code paths haven't been set. 7490 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 7491 "Code and resource paths haven't been set correctly"); 7492 } 7493 7494 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 7495 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 7496 } else { 7497 // Only allow system apps to be flagged as core apps. 7498 pkg.coreApp = false; 7499 } 7500 7501 if ((parseFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 7502 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 7503 } 7504 7505 if (mCustomResolverComponentName != null && 7506 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 7507 setUpCustomResolverActivity(pkg); 7508 } 7509 7510 if (pkg.packageName.equals("android")) { 7511 synchronized (mPackages) { 7512 if (mAndroidApplication != null) { 7513 Slog.w(TAG, "*************************************************"); 7514 Slog.w(TAG, "Core android package being redefined. Skipping."); 7515 Slog.w(TAG, " file=" + scanFile); 7516 Slog.w(TAG, "*************************************************"); 7517 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 7518 "Core android package being redefined. Skipping."); 7519 } 7520 7521 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7522 // Set up information for our fall-back user intent resolution activity. 7523 mPlatformPackage = pkg; 7524 pkg.mVersionCode = mSdkVersion; 7525 mAndroidApplication = pkg.applicationInfo; 7526 7527 if (!mResolverReplaced) { 7528 mResolveActivity.applicationInfo = mAndroidApplication; 7529 mResolveActivity.name = ResolverActivity.class.getName(); 7530 mResolveActivity.packageName = mAndroidApplication.packageName; 7531 mResolveActivity.processName = "system:ui"; 7532 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 7533 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 7534 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 7535 mResolveActivity.theme = R.style.Theme_Holo_Dialog_Alert; 7536 mResolveActivity.exported = true; 7537 mResolveActivity.enabled = true; 7538 mResolveInfo.activityInfo = mResolveActivity; 7539 mResolveInfo.priority = 0; 7540 mResolveInfo.preferredOrder = 0; 7541 mResolveInfo.match = 0; 7542 mResolveComponentName = new ComponentName( 7543 mAndroidApplication.packageName, mResolveActivity.name); 7544 } 7545 } 7546 } 7547 } 7548 7549 if (DEBUG_PACKAGE_SCANNING) { 7550 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 7551 Log.d(TAG, "Scanning package " + pkg.packageName); 7552 } 7553 7554 synchronized (mPackages) { 7555 if (mPackages.containsKey(pkg.packageName) 7556 || mSharedLibraries.containsKey(pkg.packageName)) { 7557 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 7558 "Application package " + pkg.packageName 7559 + " already installed. Skipping duplicate."); 7560 } 7561 7562 // If we're only installing presumed-existing packages, require that the 7563 // scanned APK is both already known and at the path previously established 7564 // for it. Previously unknown packages we pick up normally, but if we have an 7565 // a priori expectation about this package's install presence, enforce it. 7566 // With a singular exception for new system packages. When an OTA contains 7567 // a new system package, we allow the codepath to change from a system location 7568 // to the user-installed location. If we don't allow this change, any newer, 7569 // user-installed version of the application will be ignored. 7570 if ((scanFlags & SCAN_REQUIRE_KNOWN) != 0) { 7571 if (mExpectingBetter.containsKey(pkg.packageName)) { 7572 logCriticalInfo(Log.WARN, 7573 "Relax SCAN_REQUIRE_KNOWN requirement for package " + pkg.packageName); 7574 } else { 7575 PackageSetting known = mSettings.peekPackageLPr(pkg.packageName); 7576 if (known != null) { 7577 if (DEBUG_PACKAGE_SCANNING) { 7578 Log.d(TAG, "Examining " + pkg.codePath 7579 + " and requiring known paths " + known.codePathString 7580 + " & " + known.resourcePathString); 7581 } 7582 if (!pkg.applicationInfo.getCodePath().equals(known.codePathString) 7583 || !pkg.applicationInfo.getResourcePath().equals( 7584 known.resourcePathString)) { 7585 throw new PackageManagerException(INSTALL_FAILED_PACKAGE_CHANGED, 7586 "Application package " + pkg.packageName 7587 + " found at " + pkg.applicationInfo.getCodePath() 7588 + " but expected at " + known.codePathString 7589 + "; ignoring."); 7590 } 7591 } 7592 } 7593 } 7594 } 7595 7596 // Initialize package source and resource directories 7597 File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 7598 File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 7599 7600 SharedUserSetting suid = null; 7601 PackageSetting pkgSetting = null; 7602 7603 if (!isSystemApp(pkg)) { 7604 // Only system apps can use these features. 7605 pkg.mOriginalPackages = null; 7606 pkg.mRealPackage = null; 7607 pkg.mAdoptPermissions = null; 7608 } 7609 7610 // Getting the package setting may have a side-effect, so if we 7611 // are only checking if scan would succeed, stash a copy of the 7612 // old setting to restore at the end. 7613 PackageSetting nonMutatedPs = null; 7614 7615 // writer 7616 synchronized (mPackages) { 7617 if (pkg.mSharedUserId != null) { 7618 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, 0, true); 7619 if (suid == null) { 7620 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 7621 "Creating application package " + pkg.packageName 7622 + " for shared user failed"); 7623 } 7624 if (DEBUG_PACKAGE_SCANNING) { 7625 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 7626 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 7627 + "): packages=" + suid.packages); 7628 } 7629 } 7630 7631 // Check if we are renaming from an original package name. 7632 PackageSetting origPackage = null; 7633 String realName = null; 7634 if (pkg.mOriginalPackages != null) { 7635 // This package may need to be renamed to a previously 7636 // installed name. Let's check on that... 7637 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 7638 if (pkg.mOriginalPackages.contains(renamed)) { 7639 // This package had originally been installed as the 7640 // original name, and we have already taken care of 7641 // transitioning to the new one. Just update the new 7642 // one to continue using the old name. 7643 realName = pkg.mRealPackage; 7644 if (!pkg.packageName.equals(renamed)) { 7645 // Callers into this function may have already taken 7646 // care of renaming the package; only do it here if 7647 // it is not already done. 7648 pkg.setPackageName(renamed); 7649 } 7650 7651 } else { 7652 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 7653 if ((origPackage = mSettings.peekPackageLPr( 7654 pkg.mOriginalPackages.get(i))) != null) { 7655 // We do have the package already installed under its 7656 // original name... should we use it? 7657 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 7658 // New package is not compatible with original. 7659 origPackage = null; 7660 continue; 7661 } else if (origPackage.sharedUser != null) { 7662 // Make sure uid is compatible between packages. 7663 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 7664 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 7665 + " to " + pkg.packageName + ": old uid " 7666 + origPackage.sharedUser.name 7667 + " differs from " + pkg.mSharedUserId); 7668 origPackage = null; 7669 continue; 7670 } 7671 } else { 7672 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 7673 + pkg.packageName + " to old name " + origPackage.name); 7674 } 7675 break; 7676 } 7677 } 7678 } 7679 } 7680 7681 if (mTransferedPackages.contains(pkg.packageName)) { 7682 Slog.w(TAG, "Package " + pkg.packageName 7683 + " was transferred to another, but its .apk remains"); 7684 } 7685 7686 // See comments in nonMutatedPs declaration 7687 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 7688 PackageSetting foundPs = mSettings.peekPackageLPr(pkg.packageName); 7689 if (foundPs != null) { 7690 nonMutatedPs = new PackageSetting(foundPs); 7691 } 7692 } 7693 7694 // Just create the setting, don't add it yet. For already existing packages 7695 // the PkgSetting exists already and doesn't have to be created. 7696 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 7697 destResourceFile, pkg.applicationInfo.nativeLibraryRootDir, 7698 pkg.applicationInfo.primaryCpuAbi, 7699 pkg.applicationInfo.secondaryCpuAbi, 7700 pkg.applicationInfo.flags, pkg.applicationInfo.privateFlags, 7701 user, false); 7702 if (pkgSetting == null) { 7703 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 7704 "Creating application package " + pkg.packageName + " failed"); 7705 } 7706 7707 if (pkgSetting.origPackage != null) { 7708 // If we are first transitioning from an original package, 7709 // fix up the new package's name now. We need to do this after 7710 // looking up the package under its new name, so getPackageLP 7711 // can take care of fiddling things correctly. 7712 pkg.setPackageName(origPackage.name); 7713 7714 // File a report about this. 7715 String msg = "New package " + pkgSetting.realName 7716 + " renamed to replace old package " + pkgSetting.name; 7717 reportSettingsProblem(Log.WARN, msg); 7718 7719 // Make a note of it. 7720 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7721 mTransferedPackages.add(origPackage.name); 7722 } 7723 7724 // No longer need to retain this. 7725 pkgSetting.origPackage = null; 7726 } 7727 7728 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && realName != null) { 7729 // Make a note of it. 7730 mTransferedPackages.add(pkg.packageName); 7731 } 7732 7733 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 7734 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 7735 } 7736 7737 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 7738 // Check all shared libraries and map to their actual file path. 7739 // We only do this here for apps not on a system dir, because those 7740 // are the only ones that can fail an install due to this. We 7741 // will take care of the system apps by updating all of their 7742 // library paths after the scan is done. 7743 updateSharedLibrariesLPw(pkg, null); 7744 } 7745 7746 if (mFoundPolicyFile) { 7747 SELinuxMMAC.assignSeinfoValue(pkg); 7748 } 7749 7750 pkg.applicationInfo.uid = pkgSetting.appId; 7751 pkg.mExtras = pkgSetting; 7752 if (shouldCheckUpgradeKeySetLP(pkgSetting, scanFlags)) { 7753 if (checkUpgradeKeySetLP(pkgSetting, pkg)) { 7754 // We just determined the app is signed correctly, so bring 7755 // over the latest parsed certs. 7756 pkgSetting.signatures.mSignatures = pkg.mSignatures; 7757 } else { 7758 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 7759 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 7760 "Package " + pkg.packageName + " upgrade keys do not match the " 7761 + "previously installed version"); 7762 } else { 7763 pkgSetting.signatures.mSignatures = pkg.mSignatures; 7764 String msg = "System package " + pkg.packageName 7765 + " signature changed; retaining data."; 7766 reportSettingsProblem(Log.WARN, msg); 7767 } 7768 } 7769 } else { 7770 try { 7771 verifySignaturesLP(pkgSetting, pkg); 7772 // We just determined the app is signed correctly, so bring 7773 // over the latest parsed certs. 7774 pkgSetting.signatures.mSignatures = pkg.mSignatures; 7775 } catch (PackageManagerException e) { 7776 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 7777 throw e; 7778 } 7779 // The signature has changed, but this package is in the system 7780 // image... let's recover! 7781 pkgSetting.signatures.mSignatures = pkg.mSignatures; 7782 // However... if this package is part of a shared user, but it 7783 // doesn't match the signature of the shared user, let's fail. 7784 // What this means is that you can't change the signatures 7785 // associated with an overall shared user, which doesn't seem all 7786 // that unreasonable. 7787 if (pkgSetting.sharedUser != null) { 7788 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 7789 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 7790 throw new PackageManagerException( 7791 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 7792 "Signature mismatch for shared user: " 7793 + pkgSetting.sharedUser); 7794 } 7795 } 7796 // File a report about this. 7797 String msg = "System package " + pkg.packageName 7798 + " signature changed; retaining data."; 7799 reportSettingsProblem(Log.WARN, msg); 7800 } 7801 } 7802 // Verify that this new package doesn't have any content providers 7803 // that conflict with existing packages. Only do this if the 7804 // package isn't already installed, since we don't want to break 7805 // things that are installed. 7806 if ((scanFlags & SCAN_NEW_INSTALL) != 0) { 7807 final int N = pkg.providers.size(); 7808 int i; 7809 for (i=0; i<N; i++) { 7810 PackageParser.Provider p = pkg.providers.get(i); 7811 if (p.info.authority != null) { 7812 String names[] = p.info.authority.split(";"); 7813 for (int j = 0; j < names.length; j++) { 7814 if (mProvidersByAuthority.containsKey(names[j])) { 7815 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 7816 final String otherPackageName = 7817 ((other != null && other.getComponentName() != null) ? 7818 other.getComponentName().getPackageName() : "?"); 7819 throw new PackageManagerException( 7820 INSTALL_FAILED_CONFLICTING_PROVIDER, 7821 "Can't install because provider name " + names[j] 7822 + " (in package " + pkg.applicationInfo.packageName 7823 + ") is already used by " + otherPackageName); 7824 } 7825 } 7826 } 7827 } 7828 } 7829 7830 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && pkg.mAdoptPermissions != null) { 7831 // This package wants to adopt ownership of permissions from 7832 // another package. 7833 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 7834 final String origName = pkg.mAdoptPermissions.get(i); 7835 final PackageSetting orig = mSettings.peekPackageLPr(origName); 7836 if (orig != null) { 7837 if (verifyPackageUpdateLPr(orig, pkg)) { 7838 Slog.i(TAG, "Adopting permissions from " + origName + " to " 7839 + pkg.packageName); 7840 mSettings.transferPermissionsLPw(origName, pkg.packageName); 7841 } 7842 } 7843 } 7844 } 7845 } 7846 7847 final String pkgName = pkg.packageName; 7848 7849 final long scanFileTime = scanFile.lastModified(); 7850 final boolean forceDex = (scanFlags & SCAN_FORCE_DEX) != 0; 7851 pkg.applicationInfo.processName = fixProcessName( 7852 pkg.applicationInfo.packageName, 7853 pkg.applicationInfo.processName, 7854 pkg.applicationInfo.uid); 7855 7856 if (pkg != mPlatformPackage) { 7857 // Get all of our default paths setup 7858 pkg.applicationInfo.initForUser(UserHandle.USER_SYSTEM); 7859 } 7860 7861 final String path = scanFile.getPath(); 7862 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 7863 7864 if ((scanFlags & SCAN_NEW_INSTALL) == 0) { 7865 derivePackageAbi(pkg, scanFile, cpuAbiOverride, true /* extract libs */); 7866 7867 // Some system apps still use directory structure for native libraries 7868 // in which case we might end up not detecting abi solely based on apk 7869 // structure. Try to detect abi based on directory structure. 7870 if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp() && 7871 pkg.applicationInfo.primaryCpuAbi == null) { 7872 setBundledAppAbisAndRoots(pkg, pkgSetting); 7873 setNativeLibraryPaths(pkg); 7874 } 7875 7876 } else { 7877 if ((scanFlags & SCAN_MOVE) != 0) { 7878 // We haven't run dex-opt for this move (since we've moved the compiled output too) 7879 // but we already have this packages package info in the PackageSetting. We just 7880 // use that and derive the native library path based on the new codepath. 7881 pkg.applicationInfo.primaryCpuAbi = pkgSetting.primaryCpuAbiString; 7882 pkg.applicationInfo.secondaryCpuAbi = pkgSetting.secondaryCpuAbiString; 7883 } 7884 7885 // Set native library paths again. For moves, the path will be updated based on the 7886 // ABIs we've determined above. For non-moves, the path will be updated based on the 7887 // ABIs we determined during compilation, but the path will depend on the final 7888 // package path (after the rename away from the stage path). 7889 setNativeLibraryPaths(pkg); 7890 } 7891 7892 // This is a special case for the "system" package, where the ABI is 7893 // dictated by the zygote configuration (and init.rc). We should keep track 7894 // of this ABI so that we can deal with "normal" applications that run under 7895 // the same UID correctly. 7896 if (mPlatformPackage == pkg) { 7897 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 7898 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 7899 } 7900 7901 // If there's a mismatch between the abi-override in the package setting 7902 // and the abiOverride specified for the install. Warn about this because we 7903 // would've already compiled the app without taking the package setting into 7904 // account. 7905 if ((scanFlags & SCAN_NO_DEX) == 0 && (scanFlags & SCAN_NEW_INSTALL) != 0) { 7906 if (cpuAbiOverride == null && pkgSetting.cpuAbiOverrideString != null) { 7907 Slog.w(TAG, "Ignoring persisted ABI override " + cpuAbiOverride + 7908 " for package " + pkg.packageName); 7909 } 7910 } 7911 7912 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 7913 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 7914 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 7915 7916 // Copy the derived override back to the parsed package, so that we can 7917 // update the package settings accordingly. 7918 pkg.cpuAbiOverride = cpuAbiOverride; 7919 7920 if (DEBUG_ABI_SELECTION) { 7921 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 7922 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 7923 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 7924 } 7925 7926 // Push the derived path down into PackageSettings so we know what to 7927 // clean up at uninstall time. 7928 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 7929 7930 if (DEBUG_ABI_SELECTION) { 7931 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 7932 " primary=" + pkg.applicationInfo.primaryCpuAbi + 7933 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 7934 } 7935 7936 if ((scanFlags & SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 7937 // We don't do this here during boot because we can do it all 7938 // at once after scanning all existing packages. 7939 // 7940 // We also do this *before* we perform dexopt on this package, so that 7941 // we can avoid redundant dexopts, and also to make sure we've got the 7942 // code and package path correct. 7943 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 7944 pkg, true /* boot complete */); 7945 } 7946 7947 if (mFactoryTest && pkg.requestedPermissions.contains( 7948 android.Manifest.permission.FACTORY_TEST)) { 7949 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 7950 } 7951 7952 ArrayList<PackageParser.Package> clientLibPkgs = null; 7953 7954 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 7955 if (nonMutatedPs != null) { 7956 synchronized (mPackages) { 7957 mSettings.mPackages.put(nonMutatedPs.name, nonMutatedPs); 7958 } 7959 } 7960 return pkg; 7961 } 7962 7963 // Only privileged apps and updated privileged apps can add child packages. 7964 if (pkg.childPackages != null && !pkg.childPackages.isEmpty()) { 7965 if ((parseFlags & PARSE_IS_PRIVILEGED) == 0) { 7966 throw new PackageManagerException("Only privileged apps and updated " 7967 + "privileged apps can add child packages. Ignoring package " 7968 + pkg.packageName); 7969 } 7970 final int childCount = pkg.childPackages.size(); 7971 for (int i = 0; i < childCount; i++) { 7972 PackageParser.Package childPkg = pkg.childPackages.get(i); 7973 if (mSettings.hasOtherDisabledSystemPkgWithChildLPr(pkg.packageName, 7974 childPkg.packageName)) { 7975 throw new PackageManagerException("Cannot override a child package of " 7976 + "another disabled system app. Ignoring package " + pkg.packageName); 7977 } 7978 } 7979 } 7980 7981 // writer 7982 synchronized (mPackages) { 7983 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 7984 // Only system apps can add new shared libraries. 7985 if (pkg.libraryNames != null) { 7986 for (int i=0; i<pkg.libraryNames.size(); i++) { 7987 String name = pkg.libraryNames.get(i); 7988 boolean allowed = false; 7989 if (pkg.isUpdatedSystemApp()) { 7990 // New library entries can only be added through the 7991 // system image. This is important to get rid of a lot 7992 // of nasty edge cases: for example if we allowed a non- 7993 // system update of the app to add a library, then uninstalling 7994 // the update would make the library go away, and assumptions 7995 // we made such as through app install filtering would now 7996 // have allowed apps on the device which aren't compatible 7997 // with it. Better to just have the restriction here, be 7998 // conservative, and create many fewer cases that can negatively 7999 // impact the user experience. 8000 final PackageSetting sysPs = mSettings 8001 .getDisabledSystemPkgLPr(pkg.packageName); 8002 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 8003 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 8004 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 8005 allowed = true; 8006 break; 8007 } 8008 } 8009 } 8010 } else { 8011 allowed = true; 8012 } 8013 if (allowed) { 8014 if (!mSharedLibraries.containsKey(name)) { 8015 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 8016 } else if (!name.equals(pkg.packageName)) { 8017 Slog.w(TAG, "Package " + pkg.packageName + " library " 8018 + name + " already exists; skipping"); 8019 } 8020 } else { 8021 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 8022 + name + " that is not declared on system image; skipping"); 8023 } 8024 } 8025 if ((scanFlags & SCAN_BOOTING) == 0) { 8026 // If we are not booting, we need to update any applications 8027 // that are clients of our shared library. If we are booting, 8028 // this will all be done once the scan is complete. 8029 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 8030 } 8031 } 8032 } 8033 } 8034 8035 // Request the ActivityManager to kill the process(only for existing packages) 8036 // so that we do not end up in a confused state while the user is still using the older 8037 // version of the application while the new one gets installed. 8038 final boolean isReplacing = (scanFlags & SCAN_REPLACING) != 0; 8039 final boolean killApp = (scanFlags & SCAN_DONT_KILL_APP) == 0; 8040 if (killApp) { 8041 if (isReplacing) { 8042 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "killApplication"); 8043 8044 killApplication(pkg.applicationInfo.packageName, 8045 pkg.applicationInfo.uid, "replace pkg"); 8046 8047 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8048 } 8049 } 8050 8051 // Also need to kill any apps that are dependent on the library. 8052 if (clientLibPkgs != null) { 8053 for (int i=0; i<clientLibPkgs.size(); i++) { 8054 PackageParser.Package clientPkg = clientLibPkgs.get(i); 8055 killApplication(clientPkg.applicationInfo.packageName, 8056 clientPkg.applicationInfo.uid, "update lib"); 8057 } 8058 } 8059 8060 // Make sure we're not adding any bogus keyset info 8061 KeySetManagerService ksms = mSettings.mKeySetManagerService; 8062 ksms.assertScannedPackageValid(pkg); 8063 8064 // writer 8065 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 8066 8067 boolean createIdmapFailed = false; 8068 synchronized (mPackages) { 8069 // We don't expect installation to fail beyond this point 8070 8071 // Add the new setting to mSettings 8072 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 8073 // Add the new setting to mPackages 8074 mPackages.put(pkg.applicationInfo.packageName, pkg); 8075 // Make sure we don't accidentally delete its data. 8076 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 8077 while (iter.hasNext()) { 8078 PackageCleanItem item = iter.next(); 8079 if (pkgName.equals(item.packageName)) { 8080 iter.remove(); 8081 } 8082 } 8083 8084 // Take care of first install / last update times. 8085 if (currentTime != 0) { 8086 if (pkgSetting.firstInstallTime == 0) { 8087 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 8088 } else if ((scanFlags&SCAN_UPDATE_TIME) != 0) { 8089 pkgSetting.lastUpdateTime = currentTime; 8090 } 8091 } else if (pkgSetting.firstInstallTime == 0) { 8092 // We need *something*. Take time time stamp of the file. 8093 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 8094 } else if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 8095 if (scanFileTime != pkgSetting.timeStamp) { 8096 // A package on the system image has changed; consider this 8097 // to be an update. 8098 pkgSetting.lastUpdateTime = scanFileTime; 8099 } 8100 } 8101 8102 // Add the package's KeySets to the global KeySetManagerService 8103 ksms.addScannedPackageLPw(pkg); 8104 8105 int N = pkg.providers.size(); 8106 StringBuilder r = null; 8107 int i; 8108 for (i=0; i<N; i++) { 8109 PackageParser.Provider p = pkg.providers.get(i); 8110 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 8111 p.info.processName, pkg.applicationInfo.uid); 8112 mProviders.addProvider(p); 8113 p.syncable = p.info.isSyncable; 8114 if (p.info.authority != null) { 8115 String names[] = p.info.authority.split(";"); 8116 p.info.authority = null; 8117 for (int j = 0; j < names.length; j++) { 8118 if (j == 1 && p.syncable) { 8119 // We only want the first authority for a provider to possibly be 8120 // syncable, so if we already added this provider using a different 8121 // authority clear the syncable flag. We copy the provider before 8122 // changing it because the mProviders object contains a reference 8123 // to a provider that we don't want to change. 8124 // Only do this for the second authority since the resulting provider 8125 // object can be the same for all future authorities for this provider. 8126 p = new PackageParser.Provider(p); 8127 p.syncable = false; 8128 } 8129 if (!mProvidersByAuthority.containsKey(names[j])) { 8130 mProvidersByAuthority.put(names[j], p); 8131 if (p.info.authority == null) { 8132 p.info.authority = names[j]; 8133 } else { 8134 p.info.authority = p.info.authority + ";" + names[j]; 8135 } 8136 if (DEBUG_PACKAGE_SCANNING) { 8137 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 8138 Log.d(TAG, "Registered content provider: " + names[j] 8139 + ", className = " + p.info.name + ", isSyncable = " 8140 + p.info.isSyncable); 8141 } 8142 } else { 8143 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 8144 Slog.w(TAG, "Skipping provider name " + names[j] + 8145 " (in package " + pkg.applicationInfo.packageName + 8146 "): name already used by " 8147 + ((other != null && other.getComponentName() != null) 8148 ? other.getComponentName().getPackageName() : "?")); 8149 } 8150 } 8151 } 8152 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8153 if (r == null) { 8154 r = new StringBuilder(256); 8155 } else { 8156 r.append(' '); 8157 } 8158 r.append(p.info.name); 8159 } 8160 } 8161 if (r != null) { 8162 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 8163 } 8164 8165 N = pkg.services.size(); 8166 r = null; 8167 for (i=0; i<N; i++) { 8168 PackageParser.Service s = pkg.services.get(i); 8169 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 8170 s.info.processName, pkg.applicationInfo.uid); 8171 mServices.addService(s); 8172 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8173 if (r == null) { 8174 r = new StringBuilder(256); 8175 } else { 8176 r.append(' '); 8177 } 8178 r.append(s.info.name); 8179 } 8180 } 8181 if (r != null) { 8182 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 8183 } 8184 8185 N = pkg.receivers.size(); 8186 r = null; 8187 for (i=0; i<N; i++) { 8188 PackageParser.Activity a = pkg.receivers.get(i); 8189 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 8190 a.info.processName, pkg.applicationInfo.uid); 8191 mReceivers.addActivity(a, "receiver"); 8192 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8193 if (r == null) { 8194 r = new StringBuilder(256); 8195 } else { 8196 r.append(' '); 8197 } 8198 r.append(a.info.name); 8199 } 8200 } 8201 if (r != null) { 8202 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 8203 } 8204 8205 N = pkg.activities.size(); 8206 r = null; 8207 for (i=0; i<N; i++) { 8208 PackageParser.Activity a = pkg.activities.get(i); 8209 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 8210 a.info.processName, pkg.applicationInfo.uid); 8211 mActivities.addActivity(a, "activity"); 8212 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8213 if (r == null) { 8214 r = new StringBuilder(256); 8215 } else { 8216 r.append(' '); 8217 } 8218 r.append(a.info.name); 8219 } 8220 } 8221 if (r != null) { 8222 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 8223 } 8224 8225 N = pkg.permissionGroups.size(); 8226 r = null; 8227 for (i=0; i<N; i++) { 8228 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 8229 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 8230 if (cur == null) { 8231 mPermissionGroups.put(pg.info.name, pg); 8232 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8233 if (r == null) { 8234 r = new StringBuilder(256); 8235 } else { 8236 r.append(' '); 8237 } 8238 r.append(pg.info.name); 8239 } 8240 } else { 8241 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 8242 + pg.info.packageName + " ignored: original from " 8243 + cur.info.packageName); 8244 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8245 if (r == null) { 8246 r = new StringBuilder(256); 8247 } else { 8248 r.append(' '); 8249 } 8250 r.append("DUP:"); 8251 r.append(pg.info.name); 8252 } 8253 } 8254 } 8255 if (r != null) { 8256 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 8257 } 8258 8259 N = pkg.permissions.size(); 8260 r = null; 8261 for (i=0; i<N; i++) { 8262 PackageParser.Permission p = pkg.permissions.get(i); 8263 8264 // Assume by default that we did not install this permission into the system. 8265 p.info.flags &= ~PermissionInfo.FLAG_INSTALLED; 8266 8267 // Now that permission groups have a special meaning, we ignore permission 8268 // groups for legacy apps to prevent unexpected behavior. In particular, 8269 // permissions for one app being granted to someone just becase they happen 8270 // to be in a group defined by another app (before this had no implications). 8271 if (pkg.applicationInfo.targetSdkVersion > Build.VERSION_CODES.LOLLIPOP_MR1) { 8272 p.group = mPermissionGroups.get(p.info.group); 8273 // Warn for a permission in an unknown group. 8274 if (p.info.group != null && p.group == null) { 8275 Slog.w(TAG, "Permission " + p.info.name + " from package " 8276 + p.info.packageName + " in an unknown group " + p.info.group); 8277 } 8278 } 8279 8280 ArrayMap<String, BasePermission> permissionMap = 8281 p.tree ? mSettings.mPermissionTrees 8282 : mSettings.mPermissions; 8283 BasePermission bp = permissionMap.get(p.info.name); 8284 8285 // Allow system apps to redefine non-system permissions 8286 if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) { 8287 final boolean currentOwnerIsSystem = (bp.perm != null 8288 && isSystemApp(bp.perm.owner)); 8289 if (isSystemApp(p.owner)) { 8290 if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) { 8291 // It's a built-in permission and no owner, take ownership now 8292 bp.packageSetting = pkgSetting; 8293 bp.perm = p; 8294 bp.uid = pkg.applicationInfo.uid; 8295 bp.sourcePackage = p.info.packageName; 8296 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 8297 } else if (!currentOwnerIsSystem) { 8298 String msg = "New decl " + p.owner + " of permission " 8299 + p.info.name + " is system; overriding " + bp.sourcePackage; 8300 reportSettingsProblem(Log.WARN, msg); 8301 bp = null; 8302 } 8303 } 8304 } 8305 8306 if (bp == null) { 8307 bp = new BasePermission(p.info.name, p.info.packageName, 8308 BasePermission.TYPE_NORMAL); 8309 permissionMap.put(p.info.name, bp); 8310 } 8311 8312 if (bp.perm == null) { 8313 if (bp.sourcePackage == null 8314 || bp.sourcePackage.equals(p.info.packageName)) { 8315 BasePermission tree = findPermissionTreeLP(p.info.name); 8316 if (tree == null 8317 || tree.sourcePackage.equals(p.info.packageName)) { 8318 bp.packageSetting = pkgSetting; 8319 bp.perm = p; 8320 bp.uid = pkg.applicationInfo.uid; 8321 bp.sourcePackage = p.info.packageName; 8322 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 8323 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8324 if (r == null) { 8325 r = new StringBuilder(256); 8326 } else { 8327 r.append(' '); 8328 } 8329 r.append(p.info.name); 8330 } 8331 } else { 8332 Slog.w(TAG, "Permission " + p.info.name + " from package " 8333 + p.info.packageName + " ignored: base tree " 8334 + tree.name + " is from package " 8335 + tree.sourcePackage); 8336 } 8337 } else { 8338 Slog.w(TAG, "Permission " + p.info.name + " from package " 8339 + p.info.packageName + " ignored: original from " 8340 + bp.sourcePackage); 8341 } 8342 } else if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8343 if (r == null) { 8344 r = new StringBuilder(256); 8345 } else { 8346 r.append(' '); 8347 } 8348 r.append("DUP:"); 8349 r.append(p.info.name); 8350 } 8351 if (bp.perm == p) { 8352 bp.protectionLevel = p.info.protectionLevel; 8353 } 8354 } 8355 8356 if (r != null) { 8357 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 8358 } 8359 8360 N = pkg.instrumentation.size(); 8361 r = null; 8362 for (i=0; i<N; i++) { 8363 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 8364 a.info.packageName = pkg.applicationInfo.packageName; 8365 a.info.sourceDir = pkg.applicationInfo.sourceDir; 8366 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 8367 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 8368 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 8369 a.info.dataDir = pkg.applicationInfo.dataDir; 8370 a.info.deviceProtectedDataDir = pkg.applicationInfo.deviceProtectedDataDir; 8371 a.info.credentialProtectedDataDir = pkg.applicationInfo.credentialProtectedDataDir; 8372 8373 // TODO: Update instrumentation.nativeLibraryDir as well ? Does it 8374 // need other information about the application, like the ABI and what not ? 8375 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 8376 mInstrumentation.put(a.getComponentName(), a); 8377 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8378 if (r == null) { 8379 r = new StringBuilder(256); 8380 } else { 8381 r.append(' '); 8382 } 8383 r.append(a.info.name); 8384 } 8385 } 8386 if (r != null) { 8387 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 8388 } 8389 8390 if (pkg.protectedBroadcasts != null) { 8391 N = pkg.protectedBroadcasts.size(); 8392 for (i=0; i<N; i++) { 8393 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 8394 } 8395 } 8396 8397 pkgSetting.setTimeStamp(scanFileTime); 8398 8399 // Create idmap files for pairs of (packages, overlay packages). 8400 // Note: "android", ie framework-res.apk, is handled by native layers. 8401 if (pkg.mOverlayTarget != null) { 8402 // This is an overlay package. 8403 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 8404 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 8405 mOverlays.put(pkg.mOverlayTarget, 8406 new ArrayMap<String, PackageParser.Package>()); 8407 } 8408 ArrayMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 8409 map.put(pkg.packageName, pkg); 8410 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 8411 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 8412 createIdmapFailed = true; 8413 } 8414 } 8415 } else if (mOverlays.containsKey(pkg.packageName) && 8416 !pkg.packageName.equals("android")) { 8417 // This is a regular package, with one or more known overlay packages. 8418 createIdmapsForPackageLI(pkg); 8419 } 8420 } 8421 8422 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8423 8424 if (createIdmapFailed) { 8425 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 8426 "scanPackageLI failed to createIdmap"); 8427 } 8428 return pkg; 8429 } 8430 8431 /** 8432 * Derive the ABI of a non-system package located at {@code scanFile}. This information 8433 * is derived purely on the basis of the contents of {@code scanFile} and 8434 * {@code cpuAbiOverride}. 8435 * 8436 * If {@code extractLibs} is true, native libraries are extracted from the app if required. 8437 */ 8438 private void derivePackageAbi(PackageParser.Package pkg, File scanFile, 8439 String cpuAbiOverride, boolean extractLibs) 8440 throws PackageManagerException { 8441 // TODO: We can probably be smarter about this stuff. For installed apps, 8442 // we can calculate this information at install time once and for all. For 8443 // system apps, we can probably assume that this information doesn't change 8444 // after the first boot scan. As things stand, we do lots of unnecessary work. 8445 8446 // Give ourselves some initial paths; we'll come back for another 8447 // pass once we've determined ABI below. 8448 setNativeLibraryPaths(pkg); 8449 8450 // We would never need to extract libs for forward-locked and external packages, 8451 // since the container service will do it for us. We shouldn't attempt to 8452 // extract libs from system app when it was not updated. 8453 if (pkg.isForwardLocked() || pkg.applicationInfo.isExternalAsec() || 8454 (isSystemApp(pkg) && !pkg.isUpdatedSystemApp())) { 8455 extractLibs = false; 8456 } 8457 8458 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 8459 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 8460 8461 NativeLibraryHelper.Handle handle = null; 8462 try { 8463 handle = NativeLibraryHelper.Handle.create(pkg); 8464 // TODO(multiArch): This can be null for apps that didn't go through the 8465 // usual installation process. We can calculate it again, like we 8466 // do during install time. 8467 // 8468 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 8469 // unnecessary. 8470 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 8471 8472 // Null out the abis so that they can be recalculated. 8473 pkg.applicationInfo.primaryCpuAbi = null; 8474 pkg.applicationInfo.secondaryCpuAbi = null; 8475 if (isMultiArch(pkg.applicationInfo)) { 8476 // Warn if we've set an abiOverride for multi-lib packages.. 8477 // By definition, we need to copy both 32 and 64 bit libraries for 8478 // such packages. 8479 if (pkg.cpuAbiOverride != null 8480 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 8481 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 8482 } 8483 8484 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 8485 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 8486 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 8487 if (extractLibs) { 8488 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 8489 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 8490 useIsaSpecificSubdirs); 8491 } else { 8492 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 8493 } 8494 } 8495 8496 maybeThrowExceptionForMultiArchCopy( 8497 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 8498 8499 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 8500 if (extractLibs) { 8501 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 8502 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 8503 useIsaSpecificSubdirs); 8504 } else { 8505 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 8506 } 8507 } 8508 8509 maybeThrowExceptionForMultiArchCopy( 8510 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 8511 8512 if (abi64 >= 0) { 8513 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 8514 } 8515 8516 if (abi32 >= 0) { 8517 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 8518 if (abi64 >= 0) { 8519 if (cpuAbiOverride == null && pkg.use32bitAbi) { 8520 pkg.applicationInfo.secondaryCpuAbi = pkg.applicationInfo.primaryCpuAbi; 8521 pkg.applicationInfo.primaryCpuAbi = abi; 8522 } else { 8523 pkg.applicationInfo.secondaryCpuAbi = abi; 8524 } 8525 } else { 8526 pkg.applicationInfo.primaryCpuAbi = abi; 8527 } 8528 } 8529 8530 } else { 8531 String[] abiList = (cpuAbiOverride != null) ? 8532 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 8533 8534 // Enable gross and lame hacks for apps that are built with old 8535 // SDK tools. We must scan their APKs for renderscript bitcode and 8536 // not launch them if it's present. Don't bother checking on devices 8537 // that don't have 64 bit support. 8538 boolean needsRenderScriptOverride = false; 8539 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 8540 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 8541 abiList = Build.SUPPORTED_32_BIT_ABIS; 8542 needsRenderScriptOverride = true; 8543 } 8544 8545 final int copyRet; 8546 if (extractLibs) { 8547 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 8548 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 8549 } else { 8550 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 8551 } 8552 8553 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 8554 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 8555 "Error unpackaging native libs for app, errorCode=" + copyRet); 8556 } 8557 8558 if (copyRet >= 0) { 8559 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 8560 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 8561 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 8562 } else if (needsRenderScriptOverride) { 8563 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 8564 } 8565 } 8566 } catch (IOException ioe) { 8567 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 8568 } finally { 8569 IoUtils.closeQuietly(handle); 8570 } 8571 8572 // Now that we've calculated the ABIs and determined if it's an internal app, 8573 // we will go ahead and populate the nativeLibraryPath. 8574 setNativeLibraryPaths(pkg); 8575 } 8576 8577 /** 8578 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 8579 * i.e, so that all packages can be run inside a single process if required. 8580 * 8581 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 8582 * this function will either try and make the ABI for all packages in {@code packagesForUser} 8583 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 8584 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 8585 * updating a package that belongs to a shared user. 8586 * 8587 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 8588 * adds unnecessary complexity. 8589 */ 8590 private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 8591 PackageParser.Package scannedPackage, boolean bootComplete) { 8592 String requiredInstructionSet = null; 8593 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 8594 requiredInstructionSet = VMRuntime.getInstructionSet( 8595 scannedPackage.applicationInfo.primaryCpuAbi); 8596 } 8597 8598 PackageSetting requirer = null; 8599 for (PackageSetting ps : packagesForUser) { 8600 // If packagesForUser contains scannedPackage, we skip it. This will happen 8601 // when scannedPackage is an update of an existing package. Without this check, 8602 // we will never be able to change the ABI of any package belonging to a shared 8603 // user, even if it's compatible with other packages. 8604 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 8605 if (ps.primaryCpuAbiString == null) { 8606 continue; 8607 } 8608 8609 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 8610 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 8611 // We have a mismatch between instruction sets (say arm vs arm64) warn about 8612 // this but there's not much we can do. 8613 String errorMessage = "Instruction set mismatch, " 8614 + ((requirer == null) ? "[caller]" : requirer) 8615 + " requires " + requiredInstructionSet + " whereas " + ps 8616 + " requires " + instructionSet; 8617 Slog.w(TAG, errorMessage); 8618 } 8619 8620 if (requiredInstructionSet == null) { 8621 requiredInstructionSet = instructionSet; 8622 requirer = ps; 8623 } 8624 } 8625 } 8626 8627 if (requiredInstructionSet != null) { 8628 String adjustedAbi; 8629 if (requirer != null) { 8630 // requirer != null implies that either scannedPackage was null or that scannedPackage 8631 // did not require an ABI, in which case we have to adjust scannedPackage to match 8632 // the ABI of the set (which is the same as requirer's ABI) 8633 adjustedAbi = requirer.primaryCpuAbiString; 8634 if (scannedPackage != null) { 8635 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 8636 } 8637 } else { 8638 // requirer == null implies that we're updating all ABIs in the set to 8639 // match scannedPackage. 8640 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 8641 } 8642 8643 for (PackageSetting ps : packagesForUser) { 8644 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 8645 if (ps.primaryCpuAbiString != null) { 8646 continue; 8647 } 8648 8649 ps.primaryCpuAbiString = adjustedAbi; 8650 if (ps.pkg != null && ps.pkg.applicationInfo != null && 8651 !TextUtils.equals(adjustedAbi, ps.pkg.applicationInfo.primaryCpuAbi)) { 8652 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 8653 Slog.i(TAG, "Adjusting ABI for " + ps.name + " to " + adjustedAbi 8654 + " (requirer=" 8655 + (requirer == null ? "null" : requirer.pkg.packageName) 8656 + ", scannedPackage=" 8657 + (scannedPackage != null ? scannedPackage.packageName : "null") 8658 + ")"); 8659 try { 8660 mInstaller.rmdex(ps.codePathString, 8661 getDexCodeInstructionSet(getPreferredInstructionSet())); 8662 } catch (InstallerException ignored) { 8663 } 8664 } 8665 } 8666 } 8667 } 8668 } 8669 8670 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 8671 synchronized (mPackages) { 8672 mResolverReplaced = true; 8673 // Set up information for custom user intent resolution activity. 8674 mResolveActivity.applicationInfo = pkg.applicationInfo; 8675 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 8676 mResolveActivity.packageName = pkg.applicationInfo.packageName; 8677 mResolveActivity.processName = pkg.applicationInfo.packageName; 8678 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 8679 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 8680 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 8681 mResolveActivity.theme = 0; 8682 mResolveActivity.exported = true; 8683 mResolveActivity.enabled = true; 8684 mResolveInfo.activityInfo = mResolveActivity; 8685 mResolveInfo.priority = 0; 8686 mResolveInfo.preferredOrder = 0; 8687 mResolveInfo.match = 0; 8688 mResolveComponentName = mCustomResolverComponentName; 8689 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 8690 mResolveComponentName); 8691 } 8692 } 8693 8694 private void setUpEphemeralInstallerActivityLP(ComponentName installerComponent) { 8695 final PackageParser.Package pkg = mPackages.get(installerComponent.getPackageName()); 8696 8697 // Set up information for ephemeral installer activity 8698 mEphemeralInstallerActivity.applicationInfo = pkg.applicationInfo; 8699 mEphemeralInstallerActivity.name = mEphemeralInstallerComponent.getClassName(); 8700 mEphemeralInstallerActivity.packageName = pkg.applicationInfo.packageName; 8701 mEphemeralInstallerActivity.processName = pkg.applicationInfo.packageName; 8702 mEphemeralInstallerActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 8703 mEphemeralInstallerActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 8704 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 8705 mEphemeralInstallerActivity.theme = 0; 8706 mEphemeralInstallerActivity.exported = true; 8707 mEphemeralInstallerActivity.enabled = true; 8708 mEphemeralInstallerInfo.activityInfo = mEphemeralInstallerActivity; 8709 mEphemeralInstallerInfo.priority = 0; 8710 mEphemeralInstallerInfo.preferredOrder = 0; 8711 mEphemeralInstallerInfo.match = 0; 8712 8713 if (DEBUG_EPHEMERAL) { 8714 Slog.d(TAG, "Set ephemeral installer activity: " + mEphemeralInstallerComponent); 8715 } 8716 } 8717 8718 private static String calculateBundledApkRoot(final String codePathString) { 8719 final File codePath = new File(codePathString); 8720 final File codeRoot; 8721 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 8722 codeRoot = Environment.getRootDirectory(); 8723 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 8724 codeRoot = Environment.getOemDirectory(); 8725 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 8726 codeRoot = Environment.getVendorDirectory(); 8727 } else { 8728 // Unrecognized code path; take its top real segment as the apk root: 8729 // e.g. /something/app/blah.apk => /something 8730 try { 8731 File f = codePath.getCanonicalFile(); 8732 File parent = f.getParentFile(); // non-null because codePath is a file 8733 File tmp; 8734 while ((tmp = parent.getParentFile()) != null) { 8735 f = parent; 8736 parent = tmp; 8737 } 8738 codeRoot = f; 8739 Slog.w(TAG, "Unrecognized code path " 8740 + codePath + " - using " + codeRoot); 8741 } catch (IOException e) { 8742 // Can't canonicalize the code path -- shenanigans? 8743 Slog.w(TAG, "Can't canonicalize code path " + codePath); 8744 return Environment.getRootDirectory().getPath(); 8745 } 8746 } 8747 return codeRoot.getPath(); 8748 } 8749 8750 /** 8751 * Derive and set the location of native libraries for the given package, 8752 * which varies depending on where and how the package was installed. 8753 */ 8754 private void setNativeLibraryPaths(PackageParser.Package pkg) { 8755 final ApplicationInfo info = pkg.applicationInfo; 8756 final String codePath = pkg.codePath; 8757 final File codeFile = new File(codePath); 8758 final boolean bundledApp = info.isSystemApp() && !info.isUpdatedSystemApp(); 8759 final boolean asecApp = info.isForwardLocked() || info.isExternalAsec(); 8760 8761 info.nativeLibraryRootDir = null; 8762 info.nativeLibraryRootRequiresIsa = false; 8763 info.nativeLibraryDir = null; 8764 info.secondaryNativeLibraryDir = null; 8765 8766 if (isApkFile(codeFile)) { 8767 // Monolithic install 8768 if (bundledApp) { 8769 // If "/system/lib64/apkname" exists, assume that is the per-package 8770 // native library directory to use; otherwise use "/system/lib/apkname". 8771 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 8772 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 8773 getPrimaryInstructionSet(info)); 8774 8775 // This is a bundled system app so choose the path based on the ABI. 8776 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 8777 // is just the default path. 8778 final String apkName = deriveCodePathName(codePath); 8779 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 8780 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 8781 apkName).getAbsolutePath(); 8782 8783 if (info.secondaryCpuAbi != null) { 8784 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 8785 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 8786 secondaryLibDir, apkName).getAbsolutePath(); 8787 } 8788 } else if (asecApp) { 8789 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 8790 .getAbsolutePath(); 8791 } else { 8792 final String apkName = deriveCodePathName(codePath); 8793 info.nativeLibraryRootDir = new File(mAppLib32InstallDir, apkName) 8794 .getAbsolutePath(); 8795 } 8796 8797 info.nativeLibraryRootRequiresIsa = false; 8798 info.nativeLibraryDir = info.nativeLibraryRootDir; 8799 } else { 8800 // Cluster install 8801 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 8802 info.nativeLibraryRootRequiresIsa = true; 8803 8804 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 8805 getPrimaryInstructionSet(info)).getAbsolutePath(); 8806 8807 if (info.secondaryCpuAbi != null) { 8808 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 8809 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 8810 } 8811 } 8812 } 8813 8814 /** 8815 * Calculate the abis and roots for a bundled app. These can uniquely 8816 * be determined from the contents of the system partition, i.e whether 8817 * it contains 64 or 32 bit shared libraries etc. We do not validate any 8818 * of this information, and instead assume that the system was built 8819 * sensibly. 8820 */ 8821 private void setBundledAppAbisAndRoots(PackageParser.Package pkg, 8822 PackageSetting pkgSetting) { 8823 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 8824 8825 // If "/system/lib64/apkname" exists, assume that is the per-package 8826 // native library directory to use; otherwise use "/system/lib/apkname". 8827 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 8828 setBundledAppAbi(pkg, apkRoot, apkName); 8829 // pkgSetting might be null during rescan following uninstall of updates 8830 // to a bundled app, so accommodate that possibility. The settings in 8831 // that case will be established later from the parsed package. 8832 // 8833 // If the settings aren't null, sync them up with what we've just derived. 8834 // note that apkRoot isn't stored in the package settings. 8835 if (pkgSetting != null) { 8836 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 8837 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 8838 } 8839 } 8840 8841 /** 8842 * Deduces the ABI of a bundled app and sets the relevant fields on the 8843 * parsed pkg object. 8844 * 8845 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 8846 * under which system libraries are installed. 8847 * @param apkName the name of the installed package. 8848 */ 8849 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 8850 final File codeFile = new File(pkg.codePath); 8851 8852 final boolean has64BitLibs; 8853 final boolean has32BitLibs; 8854 if (isApkFile(codeFile)) { 8855 // Monolithic install 8856 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 8857 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 8858 } else { 8859 // Cluster install 8860 final File rootDir = new File(codeFile, LIB_DIR_NAME); 8861 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 8862 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 8863 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 8864 has64BitLibs = (new File(rootDir, isa)).exists(); 8865 } else { 8866 has64BitLibs = false; 8867 } 8868 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 8869 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 8870 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 8871 has32BitLibs = (new File(rootDir, isa)).exists(); 8872 } else { 8873 has32BitLibs = false; 8874 } 8875 } 8876 8877 if (has64BitLibs && !has32BitLibs) { 8878 // The package has 64 bit libs, but not 32 bit libs. Its primary 8879 // ABI should be 64 bit. We can safely assume here that the bundled 8880 // native libraries correspond to the most preferred ABI in the list. 8881 8882 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 8883 pkg.applicationInfo.secondaryCpuAbi = null; 8884 } else if (has32BitLibs && !has64BitLibs) { 8885 // The package has 32 bit libs but not 64 bit libs. Its primary 8886 // ABI should be 32 bit. 8887 8888 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 8889 pkg.applicationInfo.secondaryCpuAbi = null; 8890 } else if (has32BitLibs && has64BitLibs) { 8891 // The application has both 64 and 32 bit bundled libraries. We check 8892 // here that the app declares multiArch support, and warn if it doesn't. 8893 // 8894 // We will be lenient here and record both ABIs. The primary will be the 8895 // ABI that's higher on the list, i.e, a device that's configured to prefer 8896 // 64 bit apps will see a 64 bit primary ABI, 8897 8898 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 8899 Slog.e(TAG, "Package " + pkg + " has multiple bundled libs, but is not multiarch."); 8900 } 8901 8902 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 8903 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 8904 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 8905 } else { 8906 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 8907 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 8908 } 8909 } else { 8910 pkg.applicationInfo.primaryCpuAbi = null; 8911 pkg.applicationInfo.secondaryCpuAbi = null; 8912 } 8913 } 8914 8915 private void killPackage(PackageParser.Package pkg, String reason) { 8916 // Kill the parent package 8917 killApplication(pkg.packageName, pkg.applicationInfo.uid, reason); 8918 // Kill the child packages 8919 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8920 for (int i = 0; i < childCount; i++) { 8921 PackageParser.Package childPkg = pkg.childPackages.get(i); 8922 killApplication(childPkg.packageName, childPkg.applicationInfo.uid, reason); 8923 } 8924 } 8925 8926 private void killApplication(String pkgName, int appId, String reason) { 8927 // Request the ActivityManager to kill the process(only for existing packages) 8928 // so that we do not end up in a confused state while the user is still using the older 8929 // version of the application while the new one gets installed. 8930 IActivityManager am = ActivityManagerNative.getDefault(); 8931 if (am != null) { 8932 try { 8933 am.killApplicationWithAppId(pkgName, appId, reason); 8934 } catch (RemoteException e) { 8935 } 8936 } 8937 } 8938 8939 private void removePackageLI(PackageParser.Package pkg, boolean chatty) { 8940 // Remove the parent package setting 8941 PackageSetting ps = (PackageSetting) pkg.mExtras; 8942 if (ps != null) { 8943 removePackageLI(ps, chatty); 8944 } 8945 // Remove the child package setting 8946 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8947 for (int i = 0; i < childCount; i++) { 8948 PackageParser.Package childPkg = pkg.childPackages.get(i); 8949 ps = (PackageSetting) childPkg.mExtras; 8950 if (ps != null) { 8951 removePackageLI(ps, chatty); 8952 } 8953 } 8954 } 8955 8956 void removePackageLI(PackageSetting ps, boolean chatty) { 8957 if (DEBUG_INSTALL) { 8958 if (chatty) 8959 Log.d(TAG, "Removing package " + ps.name); 8960 } 8961 8962 // writer 8963 synchronized (mPackages) { 8964 mPackages.remove(ps.name); 8965 final PackageParser.Package pkg = ps.pkg; 8966 if (pkg != null) { 8967 cleanPackageDataStructuresLILPw(pkg, chatty); 8968 } 8969 } 8970 } 8971 8972 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 8973 if (DEBUG_INSTALL) { 8974 if (chatty) 8975 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 8976 } 8977 8978 // writer 8979 synchronized (mPackages) { 8980 // Remove the parent package 8981 mPackages.remove(pkg.applicationInfo.packageName); 8982 cleanPackageDataStructuresLILPw(pkg, chatty); 8983 8984 // Remove the child packages 8985 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8986 for (int i = 0; i < childCount; i++) { 8987 PackageParser.Package childPkg = pkg.childPackages.get(i); 8988 mPackages.remove(childPkg.applicationInfo.packageName); 8989 cleanPackageDataStructuresLILPw(childPkg, chatty); 8990 } 8991 } 8992 } 8993 8994 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 8995 int N = pkg.providers.size(); 8996 StringBuilder r = null; 8997 int i; 8998 for (i=0; i<N; i++) { 8999 PackageParser.Provider p = pkg.providers.get(i); 9000 mProviders.removeProvider(p); 9001 if (p.info.authority == null) { 9002 9003 /* There was another ContentProvider with this authority when 9004 * this app was installed so this authority is null, 9005 * Ignore it as we don't have to unregister the provider. 9006 */ 9007 continue; 9008 } 9009 String names[] = p.info.authority.split(";"); 9010 for (int j = 0; j < names.length; j++) { 9011 if (mProvidersByAuthority.get(names[j]) == p) { 9012 mProvidersByAuthority.remove(names[j]); 9013 if (DEBUG_REMOVE) { 9014 if (chatty) 9015 Log.d(TAG, "Unregistered content provider: " + names[j] 9016 + ", className = " + p.info.name + ", isSyncable = " 9017 + p.info.isSyncable); 9018 } 9019 } 9020 } 9021 if (DEBUG_REMOVE && chatty) { 9022 if (r == null) { 9023 r = new StringBuilder(256); 9024 } else { 9025 r.append(' '); 9026 } 9027 r.append(p.info.name); 9028 } 9029 } 9030 if (r != null) { 9031 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 9032 } 9033 9034 N = pkg.services.size(); 9035 r = null; 9036 for (i=0; i<N; i++) { 9037 PackageParser.Service s = pkg.services.get(i); 9038 mServices.removeService(s); 9039 if (chatty) { 9040 if (r == null) { 9041 r = new StringBuilder(256); 9042 } else { 9043 r.append(' '); 9044 } 9045 r.append(s.info.name); 9046 } 9047 } 9048 if (r != null) { 9049 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 9050 } 9051 9052 N = pkg.receivers.size(); 9053 r = null; 9054 for (i=0; i<N; i++) { 9055 PackageParser.Activity a = pkg.receivers.get(i); 9056 mReceivers.removeActivity(a, "receiver"); 9057 if (DEBUG_REMOVE && chatty) { 9058 if (r == null) { 9059 r = new StringBuilder(256); 9060 } else { 9061 r.append(' '); 9062 } 9063 r.append(a.info.name); 9064 } 9065 } 9066 if (r != null) { 9067 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 9068 } 9069 9070 N = pkg.activities.size(); 9071 r = null; 9072 for (i=0; i<N; i++) { 9073 PackageParser.Activity a = pkg.activities.get(i); 9074 mActivities.removeActivity(a, "activity"); 9075 if (DEBUG_REMOVE && chatty) { 9076 if (r == null) { 9077 r = new StringBuilder(256); 9078 } else { 9079 r.append(' '); 9080 } 9081 r.append(a.info.name); 9082 } 9083 } 9084 if (r != null) { 9085 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 9086 } 9087 9088 N = pkg.permissions.size(); 9089 r = null; 9090 for (i=0; i<N; i++) { 9091 PackageParser.Permission p = pkg.permissions.get(i); 9092 BasePermission bp = mSettings.mPermissions.get(p.info.name); 9093 if (bp == null) { 9094 bp = mSettings.mPermissionTrees.get(p.info.name); 9095 } 9096 if (bp != null && bp.perm == p) { 9097 bp.perm = null; 9098 if (DEBUG_REMOVE && chatty) { 9099 if (r == null) { 9100 r = new StringBuilder(256); 9101 } else { 9102 r.append(' '); 9103 } 9104 r.append(p.info.name); 9105 } 9106 } 9107 if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9108 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(p.info.name); 9109 if (appOpPkgs != null) { 9110 appOpPkgs.remove(pkg.packageName); 9111 } 9112 } 9113 } 9114 if (r != null) { 9115 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 9116 } 9117 9118 N = pkg.requestedPermissions.size(); 9119 r = null; 9120 for (i=0; i<N; i++) { 9121 String perm = pkg.requestedPermissions.get(i); 9122 BasePermission bp = mSettings.mPermissions.get(perm); 9123 if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9124 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(perm); 9125 if (appOpPkgs != null) { 9126 appOpPkgs.remove(pkg.packageName); 9127 if (appOpPkgs.isEmpty()) { 9128 mAppOpPermissionPackages.remove(perm); 9129 } 9130 } 9131 } 9132 } 9133 if (r != null) { 9134 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 9135 } 9136 9137 N = pkg.instrumentation.size(); 9138 r = null; 9139 for (i=0; i<N; i++) { 9140 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 9141 mInstrumentation.remove(a.getComponentName()); 9142 if (DEBUG_REMOVE && chatty) { 9143 if (r == null) { 9144 r = new StringBuilder(256); 9145 } else { 9146 r.append(' '); 9147 } 9148 r.append(a.info.name); 9149 } 9150 } 9151 if (r != null) { 9152 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 9153 } 9154 9155 r = null; 9156 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 9157 // Only system apps can hold shared libraries. 9158 if (pkg.libraryNames != null) { 9159 for (i=0; i<pkg.libraryNames.size(); i++) { 9160 String name = pkg.libraryNames.get(i); 9161 SharedLibraryEntry cur = mSharedLibraries.get(name); 9162 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 9163 mSharedLibraries.remove(name); 9164 if (DEBUG_REMOVE && chatty) { 9165 if (r == null) { 9166 r = new StringBuilder(256); 9167 } else { 9168 r.append(' '); 9169 } 9170 r.append(name); 9171 } 9172 } 9173 } 9174 } 9175 } 9176 if (r != null) { 9177 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 9178 } 9179 } 9180 9181 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 9182 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 9183 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 9184 return true; 9185 } 9186 } 9187 return false; 9188 } 9189 9190 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 9191 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 9192 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 9193 9194 private void updatePermissionsLPw(PackageParser.Package pkg, int flags) { 9195 // Update the parent permissions 9196 updatePermissionsLPw(pkg.packageName, pkg, flags); 9197 // Update the child permissions 9198 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9199 for (int i = 0; i < childCount; i++) { 9200 PackageParser.Package childPkg = pkg.childPackages.get(i); 9201 updatePermissionsLPw(childPkg.packageName, childPkg, flags); 9202 } 9203 } 9204 9205 private void updatePermissionsLPw(String changingPkg, PackageParser.Package pkgInfo, 9206 int flags) { 9207 final String volumeUuid = (pkgInfo != null) ? getVolumeUuidForPackage(pkgInfo) : null; 9208 updatePermissionsLPw(changingPkg, pkgInfo, volumeUuid, flags); 9209 } 9210 9211 private void updatePermissionsLPw(String changingPkg, 9212 PackageParser.Package pkgInfo, String replaceVolumeUuid, int flags) { 9213 // Make sure there are no dangling permission trees. 9214 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 9215 while (it.hasNext()) { 9216 final BasePermission bp = it.next(); 9217 if (bp.packageSetting == null) { 9218 // We may not yet have parsed the package, so just see if 9219 // we still know about its settings. 9220 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 9221 } 9222 if (bp.packageSetting == null) { 9223 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 9224 + " from package " + bp.sourcePackage); 9225 it.remove(); 9226 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 9227 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 9228 Slog.i(TAG, "Removing old permission tree: " + bp.name 9229 + " from package " + bp.sourcePackage); 9230 flags |= UPDATE_PERMISSIONS_ALL; 9231 it.remove(); 9232 } 9233 } 9234 } 9235 9236 // Make sure all dynamic permissions have been assigned to a package, 9237 // and make sure there are no dangling permissions. 9238 it = mSettings.mPermissions.values().iterator(); 9239 while (it.hasNext()) { 9240 final BasePermission bp = it.next(); 9241 if (bp.type == BasePermission.TYPE_DYNAMIC) { 9242 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 9243 + bp.name + " pkg=" + bp.sourcePackage 9244 + " info=" + bp.pendingInfo); 9245 if (bp.packageSetting == null && bp.pendingInfo != null) { 9246 final BasePermission tree = findPermissionTreeLP(bp.name); 9247 if (tree != null && tree.perm != null) { 9248 bp.packageSetting = tree.packageSetting; 9249 bp.perm = new PackageParser.Permission(tree.perm.owner, 9250 new PermissionInfo(bp.pendingInfo)); 9251 bp.perm.info.packageName = tree.perm.info.packageName; 9252 bp.perm.info.name = bp.name; 9253 bp.uid = tree.uid; 9254 } 9255 } 9256 } 9257 if (bp.packageSetting == null) { 9258 // We may not yet have parsed the package, so just see if 9259 // we still know about its settings. 9260 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 9261 } 9262 if (bp.packageSetting == null) { 9263 Slog.w(TAG, "Removing dangling permission: " + bp.name 9264 + " from package " + bp.sourcePackage); 9265 it.remove(); 9266 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 9267 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 9268 Slog.i(TAG, "Removing old permission: " + bp.name 9269 + " from package " + bp.sourcePackage); 9270 flags |= UPDATE_PERMISSIONS_ALL; 9271 it.remove(); 9272 } 9273 } 9274 } 9275 9276 // Now update the permissions for all packages, in particular 9277 // replace the granted permissions of the system packages. 9278 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 9279 for (PackageParser.Package pkg : mPackages.values()) { 9280 if (pkg != pkgInfo) { 9281 // Only replace for packages on requested volume 9282 final String volumeUuid = getVolumeUuidForPackage(pkg); 9283 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_ALL) != 0) 9284 && Objects.equals(replaceVolumeUuid, volumeUuid); 9285 grantPermissionsLPw(pkg, replace, changingPkg); 9286 } 9287 } 9288 } 9289 9290 if (pkgInfo != null) { 9291 // Only replace for packages on requested volume 9292 final String volumeUuid = getVolumeUuidForPackage(pkgInfo); 9293 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_PKG) != 0) 9294 && Objects.equals(replaceVolumeUuid, volumeUuid); 9295 grantPermissionsLPw(pkgInfo, replace, changingPkg); 9296 } 9297 } 9298 9299 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace, 9300 String packageOfInterest) { 9301 // IMPORTANT: There are two types of permissions: install and runtime. 9302 // Install time permissions are granted when the app is installed to 9303 // all device users and users added in the future. Runtime permissions 9304 // are granted at runtime explicitly to specific users. Normal and signature 9305 // protected permissions are install time permissions. Dangerous permissions 9306 // are install permissions if the app's target SDK is Lollipop MR1 or older, 9307 // otherwise they are runtime permissions. This function does not manage 9308 // runtime permissions except for the case an app targeting Lollipop MR1 9309 // being upgraded to target a newer SDK, in which case dangerous permissions 9310 // are transformed from install time to runtime ones. 9311 9312 final PackageSetting ps = (PackageSetting) pkg.mExtras; 9313 if (ps == null) { 9314 return; 9315 } 9316 9317 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "grantPermissions"); 9318 9319 PermissionsState permissionsState = ps.getPermissionsState(); 9320 PermissionsState origPermissions = permissionsState; 9321 9322 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 9323 9324 boolean runtimePermissionsRevoked = false; 9325 int[] changedRuntimePermissionUserIds = EMPTY_INT_ARRAY; 9326 9327 boolean changedInstallPermission = false; 9328 9329 if (replace) { 9330 ps.installPermissionsFixed = false; 9331 if (!ps.isSharedUser()) { 9332 origPermissions = new PermissionsState(permissionsState); 9333 permissionsState.reset(); 9334 } else { 9335 // We need to know only about runtime permission changes since the 9336 // calling code always writes the install permissions state but 9337 // the runtime ones are written only if changed. The only cases of 9338 // changed runtime permissions here are promotion of an install to 9339 // runtime and revocation of a runtime from a shared user. 9340 changedRuntimePermissionUserIds = revokeUnusedSharedUserPermissionsLPw( 9341 ps.sharedUser, UserManagerService.getInstance().getUserIds()); 9342 if (!ArrayUtils.isEmpty(changedRuntimePermissionUserIds)) { 9343 runtimePermissionsRevoked = true; 9344 } 9345 } 9346 } 9347 9348 permissionsState.setGlobalGids(mGlobalGids); 9349 9350 final int N = pkg.requestedPermissions.size(); 9351 for (int i=0; i<N; i++) { 9352 final String name = pkg.requestedPermissions.get(i); 9353 final BasePermission bp = mSettings.mPermissions.get(name); 9354 9355 if (DEBUG_INSTALL) { 9356 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 9357 } 9358 9359 if (bp == null || bp.packageSetting == null) { 9360 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 9361 Slog.w(TAG, "Unknown permission " + name 9362 + " in package " + pkg.packageName); 9363 } 9364 continue; 9365 } 9366 9367 final String perm = bp.name; 9368 boolean allowedSig = false; 9369 int grant = GRANT_DENIED; 9370 9371 // Keep track of app op permissions. 9372 if ((bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9373 ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name); 9374 if (pkgs == null) { 9375 pkgs = new ArraySet<>(); 9376 mAppOpPermissionPackages.put(bp.name, pkgs); 9377 } 9378 pkgs.add(pkg.packageName); 9379 } 9380 9381 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 9382 final boolean appSupportsRuntimePermissions = pkg.applicationInfo.targetSdkVersion 9383 >= Build.VERSION_CODES.M; 9384 switch (level) { 9385 case PermissionInfo.PROTECTION_NORMAL: { 9386 // For all apps normal permissions are install time ones. 9387 grant = GRANT_INSTALL; 9388 } break; 9389 9390 case PermissionInfo.PROTECTION_DANGEROUS: { 9391 // If a permission review is required for legacy apps we represent 9392 // their permissions as always granted runtime ones since we need 9393 // to keep the review required permission flag per user while an 9394 // install permission's state is shared across all users. 9395 if (!appSupportsRuntimePermissions && !Build.PERMISSIONS_REVIEW_REQUIRED) { 9396 // For legacy apps dangerous permissions are install time ones. 9397 grant = GRANT_INSTALL; 9398 } else if (origPermissions.hasInstallPermission(bp.name)) { 9399 // For legacy apps that became modern, install becomes runtime. 9400 grant = GRANT_UPGRADE; 9401 } else if (mPromoteSystemApps 9402 && isSystemApp(ps) 9403 && mExistingSystemPackages.contains(ps.name)) { 9404 // For legacy system apps, install becomes runtime. 9405 // We cannot check hasInstallPermission() for system apps since those 9406 // permissions were granted implicitly and not persisted pre-M. 9407 grant = GRANT_UPGRADE; 9408 } else { 9409 // For modern apps keep runtime permissions unchanged. 9410 grant = GRANT_RUNTIME; 9411 } 9412 } break; 9413 9414 case PermissionInfo.PROTECTION_SIGNATURE: { 9415 // For all apps signature permissions are install time ones. 9416 allowedSig = grantSignaturePermission(perm, pkg, bp, origPermissions); 9417 if (allowedSig) { 9418 grant = GRANT_INSTALL; 9419 } 9420 } break; 9421 } 9422 9423 if (DEBUG_INSTALL) { 9424 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 9425 } 9426 9427 if (grant != GRANT_DENIED) { 9428 if (!isSystemApp(ps) && ps.installPermissionsFixed) { 9429 // If this is an existing, non-system package, then 9430 // we can't add any new permissions to it. 9431 if (!allowedSig && !origPermissions.hasInstallPermission(perm)) { 9432 // Except... if this is a permission that was added 9433 // to the platform (note: need to only do this when 9434 // updating the platform). 9435 if (!isNewPlatformPermissionForPackage(perm, pkg)) { 9436 grant = GRANT_DENIED; 9437 } 9438 } 9439 } 9440 9441 switch (grant) { 9442 case GRANT_INSTALL: { 9443 // Revoke this as runtime permission to handle the case of 9444 // a runtime permission being downgraded to an install one. Also in permission review mode we keep dangerous permissions for legacy apps 9445 for (int userId : UserManagerService.getInstance().getUserIds()) { 9446 if (origPermissions.getRuntimePermissionState( 9447 bp.name, userId) != null) { 9448 // Revoke the runtime permission and clear the flags. 9449 origPermissions.revokeRuntimePermission(bp, userId); 9450 origPermissions.updatePermissionFlags(bp, userId, 9451 PackageManager.MASK_PERMISSION_FLAGS, 0); 9452 // If we revoked a permission permission, we have to write. 9453 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9454 changedRuntimePermissionUserIds, userId); 9455 } 9456 } 9457 // Grant an install permission. 9458 if (permissionsState.grantInstallPermission(bp) != 9459 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9460 changedInstallPermission = true; 9461 } 9462 } break; 9463 9464 case GRANT_RUNTIME: { 9465 // Grant previously granted runtime permissions. 9466 for (int userId : UserManagerService.getInstance().getUserIds()) { 9467 PermissionState permissionState = origPermissions 9468 .getRuntimePermissionState(bp.name, userId); 9469 int flags = permissionState != null 9470 ? permissionState.getFlags() : 0; 9471 if (origPermissions.hasRuntimePermission(bp.name, userId)) { 9472 if (permissionsState.grantRuntimePermission(bp, userId) == 9473 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9474 // If we cannot put the permission as it was, we have to write. 9475 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9476 changedRuntimePermissionUserIds, userId); 9477 } 9478 // If the app supports runtime permissions no need for a review. 9479 if (Build.PERMISSIONS_REVIEW_REQUIRED 9480 && appSupportsRuntimePermissions 9481 && (flags & PackageManager 9482 .FLAG_PERMISSION_REVIEW_REQUIRED) != 0) { 9483 flags &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 9484 // Since we changed the flags, we have to write. 9485 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9486 changedRuntimePermissionUserIds, userId); 9487 } 9488 } else if (Build.PERMISSIONS_REVIEW_REQUIRED 9489 && !appSupportsRuntimePermissions) { 9490 // For legacy apps that need a permission review, every new 9491 // runtime permission is granted but it is pending a review. 9492 if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 9493 permissionsState.grantRuntimePermission(bp, userId); 9494 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 9495 // We changed the permission and flags, hence have to write. 9496 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9497 changedRuntimePermissionUserIds, userId); 9498 } 9499 } 9500 // Propagate the permission flags. 9501 permissionsState.updatePermissionFlags(bp, userId, flags, flags); 9502 } 9503 } break; 9504 9505 case GRANT_UPGRADE: { 9506 // Grant runtime permissions for a previously held install permission. 9507 PermissionState permissionState = origPermissions 9508 .getInstallPermissionState(bp.name); 9509 final int flags = permissionState != null ? permissionState.getFlags() : 0; 9510 9511 if (origPermissions.revokeInstallPermission(bp) 9512 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 9513 // We will be transferring the permission flags, so clear them. 9514 origPermissions.updatePermissionFlags(bp, UserHandle.USER_ALL, 9515 PackageManager.MASK_PERMISSION_FLAGS, 0); 9516 changedInstallPermission = true; 9517 } 9518 9519 // If the permission is not to be promoted to runtime we ignore it and 9520 // also its other flags as they are not applicable to install permissions. 9521 if ((flags & PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE) == 0) { 9522 for (int userId : currentUserIds) { 9523 if (permissionsState.grantRuntimePermission(bp, userId) != 9524 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9525 // Transfer the permission flags. 9526 permissionsState.updatePermissionFlags(bp, userId, 9527 flags, flags); 9528 // If we granted the permission, we have to write. 9529 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9530 changedRuntimePermissionUserIds, userId); 9531 } 9532 } 9533 } 9534 } break; 9535 9536 default: { 9537 if (packageOfInterest == null 9538 || packageOfInterest.equals(pkg.packageName)) { 9539 Slog.w(TAG, "Not granting permission " + perm 9540 + " to package " + pkg.packageName 9541 + " because it was previously installed without"); 9542 } 9543 } break; 9544 } 9545 } else { 9546 if (permissionsState.revokeInstallPermission(bp) != 9547 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9548 // Also drop the permission flags. 9549 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 9550 PackageManager.MASK_PERMISSION_FLAGS, 0); 9551 changedInstallPermission = true; 9552 Slog.i(TAG, "Un-granting permission " + perm 9553 + " from package " + pkg.packageName 9554 + " (protectionLevel=" + bp.protectionLevel 9555 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 9556 + ")"); 9557 } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) { 9558 // Don't print warning for app op permissions, since it is fine for them 9559 // not to be granted, there is a UI for the user to decide. 9560 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 9561 Slog.w(TAG, "Not granting permission " + perm 9562 + " to package " + pkg.packageName 9563 + " (protectionLevel=" + bp.protectionLevel 9564 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 9565 + ")"); 9566 } 9567 } 9568 } 9569 } 9570 9571 if ((changedInstallPermission || replace) && !ps.installPermissionsFixed && 9572 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 9573 // This is the first that we have heard about this package, so the 9574 // permissions we have now selected are fixed until explicitly 9575 // changed. 9576 ps.installPermissionsFixed = true; 9577 } 9578 9579 // Persist the runtime permissions state for users with changes. If permissions 9580 // were revoked because no app in the shared user declares them we have to 9581 // write synchronously to avoid losing runtime permissions state. 9582 for (int userId : changedRuntimePermissionUserIds) { 9583 mSettings.writeRuntimePermissionsForUserLPr(userId, runtimePermissionsRevoked); 9584 } 9585 9586 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9587 } 9588 9589 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 9590 boolean allowed = false; 9591 final int NP = PackageParser.NEW_PERMISSIONS.length; 9592 for (int ip=0; ip<NP; ip++) { 9593 final PackageParser.NewPermissionInfo npi 9594 = PackageParser.NEW_PERMISSIONS[ip]; 9595 if (npi.name.equals(perm) 9596 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 9597 allowed = true; 9598 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 9599 + pkg.packageName); 9600 break; 9601 } 9602 } 9603 return allowed; 9604 } 9605 9606 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 9607 BasePermission bp, PermissionsState origPermissions) { 9608 boolean allowed; 9609 allowed = (compareSignatures( 9610 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 9611 == PackageManager.SIGNATURE_MATCH) 9612 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 9613 == PackageManager.SIGNATURE_MATCH); 9614 if (!allowed && (bp.protectionLevel 9615 & PermissionInfo.PROTECTION_FLAG_PRIVILEGED) != 0) { 9616 if (isSystemApp(pkg)) { 9617 // For updated system applications, a system permission 9618 // is granted only if it had been defined by the original application. 9619 if (pkg.isUpdatedSystemApp()) { 9620 final PackageSetting sysPs = mSettings 9621 .getDisabledSystemPkgLPr(pkg.packageName); 9622 if (sysPs != null && sysPs.getPermissionsState().hasInstallPermission(perm)) { 9623 // If the original was granted this permission, we take 9624 // that grant decision as read and propagate it to the 9625 // update. 9626 if (sysPs.isPrivileged()) { 9627 allowed = true; 9628 } 9629 } else { 9630 // The system apk may have been updated with an older 9631 // version of the one on the data partition, but which 9632 // granted a new system permission that it didn't have 9633 // before. In this case we do want to allow the app to 9634 // now get the new permission if the ancestral apk is 9635 // privileged to get it. 9636 if (sysPs != null && sysPs.pkg != null && sysPs.isPrivileged()) { 9637 for (int j = 0; j < sysPs.pkg.requestedPermissions.size(); j++) { 9638 if (perm.equals(sysPs.pkg.requestedPermissions.get(j))) { 9639 allowed = true; 9640 break; 9641 } 9642 } 9643 } 9644 // Also if a privileged parent package on the system image or any of 9645 // its children requested a privileged permission, the updated child 9646 // packages can also get the permission. 9647 if (pkg.parentPackage != null) { 9648 final PackageSetting disabledSysParentPs = mSettings 9649 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 9650 if (disabledSysParentPs != null && disabledSysParentPs.pkg != null 9651 && disabledSysParentPs.isPrivileged()) { 9652 if (isPackageRequestingPermission(disabledSysParentPs.pkg, perm)) { 9653 allowed = true; 9654 } else if (disabledSysParentPs.pkg.childPackages != null) { 9655 final int count = disabledSysParentPs.pkg.childPackages.size(); 9656 for (int i = 0; i < count; i++) { 9657 PackageParser.Package disabledSysChildPkg = 9658 disabledSysParentPs.pkg.childPackages.get(i); 9659 if (isPackageRequestingPermission(disabledSysChildPkg, 9660 perm)) { 9661 allowed = true; 9662 break; 9663 } 9664 } 9665 } 9666 } 9667 } 9668 } 9669 } else { 9670 allowed = isPrivilegedApp(pkg); 9671 } 9672 } 9673 } 9674 if (!allowed) { 9675 if (!allowed && (bp.protectionLevel 9676 & PermissionInfo.PROTECTION_FLAG_PRE23) != 0 9677 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 9678 // If this was a previously normal/dangerous permission that got moved 9679 // to a system permission as part of the runtime permission redesign, then 9680 // we still want to blindly grant it to old apps. 9681 allowed = true; 9682 } 9683 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_INSTALLER) != 0 9684 && pkg.packageName.equals(mRequiredInstallerPackage)) { 9685 // If this permission is to be granted to the system installer and 9686 // this app is an installer, then it gets the permission. 9687 allowed = true; 9688 } 9689 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_VERIFIER) != 0 9690 && pkg.packageName.equals(mRequiredVerifierPackage)) { 9691 // If this permission is to be granted to the system verifier and 9692 // this app is a verifier, then it gets the permission. 9693 allowed = true; 9694 } 9695 if (!allowed && (bp.protectionLevel 9696 & PermissionInfo.PROTECTION_FLAG_PREINSTALLED) != 0 9697 && isSystemApp(pkg)) { 9698 // Any pre-installed system app is allowed to get this permission. 9699 allowed = true; 9700 } 9701 if (!allowed && (bp.protectionLevel 9702 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 9703 // For development permissions, a development permission 9704 // is granted only if it was already granted. 9705 allowed = origPermissions.hasInstallPermission(perm); 9706 } 9707 } 9708 return allowed; 9709 } 9710 9711 private boolean isPackageRequestingPermission(PackageParser.Package pkg, String permission) { 9712 final int permCount = pkg.requestedPermissions.size(); 9713 for (int j = 0; j < permCount; j++) { 9714 String requestedPermission = pkg.requestedPermissions.get(j); 9715 if (permission.equals(requestedPermission)) { 9716 return true; 9717 } 9718 } 9719 return false; 9720 } 9721 9722 final class ActivityIntentResolver 9723 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 9724 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 9725 boolean defaultOnly, int userId) { 9726 if (!sUserManager.exists(userId)) return null; 9727 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 9728 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 9729 } 9730 9731 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 9732 int userId) { 9733 if (!sUserManager.exists(userId)) return null; 9734 mFlags = flags; 9735 return super.queryIntent(intent, resolvedType, 9736 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 9737 } 9738 9739 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 9740 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 9741 if (!sUserManager.exists(userId)) return null; 9742 if (packageActivities == null) { 9743 return null; 9744 } 9745 mFlags = flags; 9746 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 9747 final int N = packageActivities.size(); 9748 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 9749 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 9750 9751 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 9752 for (int i = 0; i < N; ++i) { 9753 intentFilters = packageActivities.get(i).intents; 9754 if (intentFilters != null && intentFilters.size() > 0) { 9755 PackageParser.ActivityIntentInfo[] array = 9756 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 9757 intentFilters.toArray(array); 9758 listCut.add(array); 9759 } 9760 } 9761 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 9762 } 9763 9764 public final void addActivity(PackageParser.Activity a, String type) { 9765 final boolean systemApp = a.info.applicationInfo.isSystemApp(); 9766 mActivities.put(a.getComponentName(), a); 9767 if (DEBUG_SHOW_INFO) 9768 Log.v( 9769 TAG, " " + type + " " + 9770 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 9771 if (DEBUG_SHOW_INFO) 9772 Log.v(TAG, " Class=" + a.info.name); 9773 final int NI = a.intents.size(); 9774 for (int j=0; j<NI; j++) { 9775 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 9776 if (!systemApp && intent.getPriority() > 0 && "activity".equals(type)) { 9777 intent.setPriority(0); 9778 Log.w(TAG, "Package " + a.info.applicationInfo.packageName + " has activity " 9779 + a.className + " with priority > 0, forcing to 0"); 9780 } 9781 if (DEBUG_SHOW_INFO) { 9782 Log.v(TAG, " IntentFilter:"); 9783 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 9784 } 9785 if (!intent.debugCheck()) { 9786 Log.w(TAG, "==> For Activity " + a.info.name); 9787 } 9788 addFilter(intent); 9789 } 9790 } 9791 9792 public final void removeActivity(PackageParser.Activity a, String type) { 9793 mActivities.remove(a.getComponentName()); 9794 if (DEBUG_SHOW_INFO) { 9795 Log.v(TAG, " " + type + " " 9796 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 9797 : a.info.name) + ":"); 9798 Log.v(TAG, " Class=" + a.info.name); 9799 } 9800 final int NI = a.intents.size(); 9801 for (int j=0; j<NI; j++) { 9802 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 9803 if (DEBUG_SHOW_INFO) { 9804 Log.v(TAG, " IntentFilter:"); 9805 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 9806 } 9807 removeFilter(intent); 9808 } 9809 } 9810 9811 @Override 9812 protected boolean allowFilterResult( 9813 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 9814 ActivityInfo filterAi = filter.activity.info; 9815 for (int i=dest.size()-1; i>=0; i--) { 9816 ActivityInfo destAi = dest.get(i).activityInfo; 9817 if (destAi.name == filterAi.name 9818 && destAi.packageName == filterAi.packageName) { 9819 return false; 9820 } 9821 } 9822 return true; 9823 } 9824 9825 @Override 9826 protected ActivityIntentInfo[] newArray(int size) { 9827 return new ActivityIntentInfo[size]; 9828 } 9829 9830 @Override 9831 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 9832 if (!sUserManager.exists(userId)) return true; 9833 PackageParser.Package p = filter.activity.owner; 9834 if (p != null) { 9835 PackageSetting ps = (PackageSetting)p.mExtras; 9836 if (ps != null) { 9837 // System apps are never considered stopped for purposes of 9838 // filtering, because there may be no way for the user to 9839 // actually re-launch them. 9840 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 9841 && ps.getStopped(userId); 9842 } 9843 } 9844 return false; 9845 } 9846 9847 @Override 9848 protected boolean isPackageForFilter(String packageName, 9849 PackageParser.ActivityIntentInfo info) { 9850 return packageName.equals(info.activity.owner.packageName); 9851 } 9852 9853 @Override 9854 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 9855 int match, int userId) { 9856 if (!sUserManager.exists(userId)) return null; 9857 if (!mSettings.isEnabledAndMatchLPr(info.activity.info, mFlags, userId)) { 9858 return null; 9859 } 9860 final PackageParser.Activity activity = info.activity; 9861 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 9862 if (ps == null) { 9863 return null; 9864 } 9865 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 9866 ps.readUserState(userId), userId); 9867 if (ai == null) { 9868 return null; 9869 } 9870 final ResolveInfo res = new ResolveInfo(); 9871 res.activityInfo = ai; 9872 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 9873 res.filter = info; 9874 } 9875 if (info != null) { 9876 res.handleAllWebDataURI = info.handleAllWebDataURI(); 9877 } 9878 res.priority = info.getPriority(); 9879 res.preferredOrder = activity.owner.mPreferredOrder; 9880 //System.out.println("Result: " + res.activityInfo.className + 9881 // " = " + res.priority); 9882 res.match = match; 9883 res.isDefault = info.hasDefault; 9884 res.labelRes = info.labelRes; 9885 res.nonLocalizedLabel = info.nonLocalizedLabel; 9886 if (userNeedsBadging(userId)) { 9887 res.noResourceId = true; 9888 } else { 9889 res.icon = info.icon; 9890 } 9891 res.iconResourceId = info.icon; 9892 res.system = res.activityInfo.applicationInfo.isSystemApp(); 9893 return res; 9894 } 9895 9896 @Override 9897 protected void sortResults(List<ResolveInfo> results) { 9898 Collections.sort(results, mResolvePrioritySorter); 9899 } 9900 9901 @Override 9902 protected void dumpFilter(PrintWriter out, String prefix, 9903 PackageParser.ActivityIntentInfo filter) { 9904 out.print(prefix); out.print( 9905 Integer.toHexString(System.identityHashCode(filter.activity))); 9906 out.print(' '); 9907 filter.activity.printComponentShortName(out); 9908 out.print(" filter "); 9909 out.println(Integer.toHexString(System.identityHashCode(filter))); 9910 } 9911 9912 @Override 9913 protected Object filterToLabel(PackageParser.ActivityIntentInfo filter) { 9914 return filter.activity; 9915 } 9916 9917 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 9918 PackageParser.Activity activity = (PackageParser.Activity)label; 9919 out.print(prefix); out.print( 9920 Integer.toHexString(System.identityHashCode(activity))); 9921 out.print(' '); 9922 activity.printComponentShortName(out); 9923 if (count > 1) { 9924 out.print(" ("); out.print(count); out.print(" filters)"); 9925 } 9926 out.println(); 9927 } 9928 9929// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 9930// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 9931// final List<ResolveInfo> retList = Lists.newArrayList(); 9932// while (i.hasNext()) { 9933// final ResolveInfo resolveInfo = i.next(); 9934// if (isEnabledLP(resolveInfo.activityInfo)) { 9935// retList.add(resolveInfo); 9936// } 9937// } 9938// return retList; 9939// } 9940 9941 // Keys are String (activity class name), values are Activity. 9942 private final ArrayMap<ComponentName, PackageParser.Activity> mActivities 9943 = new ArrayMap<ComponentName, PackageParser.Activity>(); 9944 private int mFlags; 9945 } 9946 9947 private final class ServiceIntentResolver 9948 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 9949 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 9950 boolean defaultOnly, int userId) { 9951 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 9952 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 9953 } 9954 9955 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 9956 int userId) { 9957 if (!sUserManager.exists(userId)) return null; 9958 mFlags = flags; 9959 return super.queryIntent(intent, resolvedType, 9960 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 9961 } 9962 9963 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 9964 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 9965 if (!sUserManager.exists(userId)) return null; 9966 if (packageServices == null) { 9967 return null; 9968 } 9969 mFlags = flags; 9970 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 9971 final int N = packageServices.size(); 9972 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 9973 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 9974 9975 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 9976 for (int i = 0; i < N; ++i) { 9977 intentFilters = packageServices.get(i).intents; 9978 if (intentFilters != null && intentFilters.size() > 0) { 9979 PackageParser.ServiceIntentInfo[] array = 9980 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 9981 intentFilters.toArray(array); 9982 listCut.add(array); 9983 } 9984 } 9985 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 9986 } 9987 9988 public final void addService(PackageParser.Service s) { 9989 mServices.put(s.getComponentName(), s); 9990 if (DEBUG_SHOW_INFO) { 9991 Log.v(TAG, " " 9992 + (s.info.nonLocalizedLabel != null 9993 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 9994 Log.v(TAG, " Class=" + s.info.name); 9995 } 9996 final int NI = s.intents.size(); 9997 int j; 9998 for (j=0; j<NI; j++) { 9999 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 10000 if (DEBUG_SHOW_INFO) { 10001 Log.v(TAG, " IntentFilter:"); 10002 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10003 } 10004 if (!intent.debugCheck()) { 10005 Log.w(TAG, "==> For Service " + s.info.name); 10006 } 10007 addFilter(intent); 10008 } 10009 } 10010 10011 public final void removeService(PackageParser.Service s) { 10012 mServices.remove(s.getComponentName()); 10013 if (DEBUG_SHOW_INFO) { 10014 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 10015 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 10016 Log.v(TAG, " Class=" + s.info.name); 10017 } 10018 final int NI = s.intents.size(); 10019 int j; 10020 for (j=0; j<NI; j++) { 10021 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 10022 if (DEBUG_SHOW_INFO) { 10023 Log.v(TAG, " IntentFilter:"); 10024 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10025 } 10026 removeFilter(intent); 10027 } 10028 } 10029 10030 @Override 10031 protected boolean allowFilterResult( 10032 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 10033 ServiceInfo filterSi = filter.service.info; 10034 for (int i=dest.size()-1; i>=0; i--) { 10035 ServiceInfo destAi = dest.get(i).serviceInfo; 10036 if (destAi.name == filterSi.name 10037 && destAi.packageName == filterSi.packageName) { 10038 return false; 10039 } 10040 } 10041 return true; 10042 } 10043 10044 @Override 10045 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 10046 return new PackageParser.ServiceIntentInfo[size]; 10047 } 10048 10049 @Override 10050 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 10051 if (!sUserManager.exists(userId)) return true; 10052 PackageParser.Package p = filter.service.owner; 10053 if (p != null) { 10054 PackageSetting ps = (PackageSetting)p.mExtras; 10055 if (ps != null) { 10056 // System apps are never considered stopped for purposes of 10057 // filtering, because there may be no way for the user to 10058 // actually re-launch them. 10059 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 10060 && ps.getStopped(userId); 10061 } 10062 } 10063 return false; 10064 } 10065 10066 @Override 10067 protected boolean isPackageForFilter(String packageName, 10068 PackageParser.ServiceIntentInfo info) { 10069 return packageName.equals(info.service.owner.packageName); 10070 } 10071 10072 @Override 10073 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 10074 int match, int userId) { 10075 if (!sUserManager.exists(userId)) return null; 10076 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 10077 if (!mSettings.isEnabledAndMatchLPr(info.service.info, mFlags, userId)) { 10078 return null; 10079 } 10080 final PackageParser.Service service = info.service; 10081 PackageSetting ps = (PackageSetting) service.owner.mExtras; 10082 if (ps == null) { 10083 return null; 10084 } 10085 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 10086 ps.readUserState(userId), userId); 10087 if (si == null) { 10088 return null; 10089 } 10090 final ResolveInfo res = new ResolveInfo(); 10091 res.serviceInfo = si; 10092 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 10093 res.filter = filter; 10094 } 10095 res.priority = info.getPriority(); 10096 res.preferredOrder = service.owner.mPreferredOrder; 10097 res.match = match; 10098 res.isDefault = info.hasDefault; 10099 res.labelRes = info.labelRes; 10100 res.nonLocalizedLabel = info.nonLocalizedLabel; 10101 res.icon = info.icon; 10102 res.system = res.serviceInfo.applicationInfo.isSystemApp(); 10103 return res; 10104 } 10105 10106 @Override 10107 protected void sortResults(List<ResolveInfo> results) { 10108 Collections.sort(results, mResolvePrioritySorter); 10109 } 10110 10111 @Override 10112 protected void dumpFilter(PrintWriter out, String prefix, 10113 PackageParser.ServiceIntentInfo filter) { 10114 out.print(prefix); out.print( 10115 Integer.toHexString(System.identityHashCode(filter.service))); 10116 out.print(' '); 10117 filter.service.printComponentShortName(out); 10118 out.print(" filter "); 10119 out.println(Integer.toHexString(System.identityHashCode(filter))); 10120 } 10121 10122 @Override 10123 protected Object filterToLabel(PackageParser.ServiceIntentInfo filter) { 10124 return filter.service; 10125 } 10126 10127 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 10128 PackageParser.Service service = (PackageParser.Service)label; 10129 out.print(prefix); out.print( 10130 Integer.toHexString(System.identityHashCode(service))); 10131 out.print(' '); 10132 service.printComponentShortName(out); 10133 if (count > 1) { 10134 out.print(" ("); out.print(count); out.print(" filters)"); 10135 } 10136 out.println(); 10137 } 10138 10139// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 10140// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 10141// final List<ResolveInfo> retList = Lists.newArrayList(); 10142// while (i.hasNext()) { 10143// final ResolveInfo resolveInfo = (ResolveInfo) i; 10144// if (isEnabledLP(resolveInfo.serviceInfo)) { 10145// retList.add(resolveInfo); 10146// } 10147// } 10148// return retList; 10149// } 10150 10151 // Keys are String (activity class name), values are Activity. 10152 private final ArrayMap<ComponentName, PackageParser.Service> mServices 10153 = new ArrayMap<ComponentName, PackageParser.Service>(); 10154 private int mFlags; 10155 }; 10156 10157 private final class ProviderIntentResolver 10158 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 10159 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 10160 boolean defaultOnly, int userId) { 10161 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 10162 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 10163 } 10164 10165 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 10166 int userId) { 10167 if (!sUserManager.exists(userId)) 10168 return null; 10169 mFlags = flags; 10170 return super.queryIntent(intent, resolvedType, 10171 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 10172 } 10173 10174 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 10175 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 10176 if (!sUserManager.exists(userId)) 10177 return null; 10178 if (packageProviders == null) { 10179 return null; 10180 } 10181 mFlags = flags; 10182 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 10183 final int N = packageProviders.size(); 10184 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 10185 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 10186 10187 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 10188 for (int i = 0; i < N; ++i) { 10189 intentFilters = packageProviders.get(i).intents; 10190 if (intentFilters != null && intentFilters.size() > 0) { 10191 PackageParser.ProviderIntentInfo[] array = 10192 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 10193 intentFilters.toArray(array); 10194 listCut.add(array); 10195 } 10196 } 10197 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 10198 } 10199 10200 public final void addProvider(PackageParser.Provider p) { 10201 if (mProviders.containsKey(p.getComponentName())) { 10202 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 10203 return; 10204 } 10205 10206 mProviders.put(p.getComponentName(), p); 10207 if (DEBUG_SHOW_INFO) { 10208 Log.v(TAG, " " 10209 + (p.info.nonLocalizedLabel != null 10210 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 10211 Log.v(TAG, " Class=" + p.info.name); 10212 } 10213 final int NI = p.intents.size(); 10214 int j; 10215 for (j = 0; j < NI; j++) { 10216 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 10217 if (DEBUG_SHOW_INFO) { 10218 Log.v(TAG, " IntentFilter:"); 10219 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10220 } 10221 if (!intent.debugCheck()) { 10222 Log.w(TAG, "==> For Provider " + p.info.name); 10223 } 10224 addFilter(intent); 10225 } 10226 } 10227 10228 public final void removeProvider(PackageParser.Provider p) { 10229 mProviders.remove(p.getComponentName()); 10230 if (DEBUG_SHOW_INFO) { 10231 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 10232 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 10233 Log.v(TAG, " Class=" + p.info.name); 10234 } 10235 final int NI = p.intents.size(); 10236 int j; 10237 for (j = 0; j < NI; j++) { 10238 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 10239 if (DEBUG_SHOW_INFO) { 10240 Log.v(TAG, " IntentFilter:"); 10241 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10242 } 10243 removeFilter(intent); 10244 } 10245 } 10246 10247 @Override 10248 protected boolean allowFilterResult( 10249 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 10250 ProviderInfo filterPi = filter.provider.info; 10251 for (int i = dest.size() - 1; i >= 0; i--) { 10252 ProviderInfo destPi = dest.get(i).providerInfo; 10253 if (destPi.name == filterPi.name 10254 && destPi.packageName == filterPi.packageName) { 10255 return false; 10256 } 10257 } 10258 return true; 10259 } 10260 10261 @Override 10262 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 10263 return new PackageParser.ProviderIntentInfo[size]; 10264 } 10265 10266 @Override 10267 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 10268 if (!sUserManager.exists(userId)) 10269 return true; 10270 PackageParser.Package p = filter.provider.owner; 10271 if (p != null) { 10272 PackageSetting ps = (PackageSetting) p.mExtras; 10273 if (ps != null) { 10274 // System apps are never considered stopped for purposes of 10275 // filtering, because there may be no way for the user to 10276 // actually re-launch them. 10277 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 10278 && ps.getStopped(userId); 10279 } 10280 } 10281 return false; 10282 } 10283 10284 @Override 10285 protected boolean isPackageForFilter(String packageName, 10286 PackageParser.ProviderIntentInfo info) { 10287 return packageName.equals(info.provider.owner.packageName); 10288 } 10289 10290 @Override 10291 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 10292 int match, int userId) { 10293 if (!sUserManager.exists(userId)) 10294 return null; 10295 final PackageParser.ProviderIntentInfo info = filter; 10296 if (!mSettings.isEnabledAndMatchLPr(info.provider.info, mFlags, userId)) { 10297 return null; 10298 } 10299 final PackageParser.Provider provider = info.provider; 10300 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 10301 if (ps == null) { 10302 return null; 10303 } 10304 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 10305 ps.readUserState(userId), userId); 10306 if (pi == null) { 10307 return null; 10308 } 10309 final ResolveInfo res = new ResolveInfo(); 10310 res.providerInfo = pi; 10311 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 10312 res.filter = filter; 10313 } 10314 res.priority = info.getPriority(); 10315 res.preferredOrder = provider.owner.mPreferredOrder; 10316 res.match = match; 10317 res.isDefault = info.hasDefault; 10318 res.labelRes = info.labelRes; 10319 res.nonLocalizedLabel = info.nonLocalizedLabel; 10320 res.icon = info.icon; 10321 res.system = res.providerInfo.applicationInfo.isSystemApp(); 10322 return res; 10323 } 10324 10325 @Override 10326 protected void sortResults(List<ResolveInfo> results) { 10327 Collections.sort(results, mResolvePrioritySorter); 10328 } 10329 10330 @Override 10331 protected void dumpFilter(PrintWriter out, String prefix, 10332 PackageParser.ProviderIntentInfo filter) { 10333 out.print(prefix); 10334 out.print( 10335 Integer.toHexString(System.identityHashCode(filter.provider))); 10336 out.print(' '); 10337 filter.provider.printComponentShortName(out); 10338 out.print(" filter "); 10339 out.println(Integer.toHexString(System.identityHashCode(filter))); 10340 } 10341 10342 @Override 10343 protected Object filterToLabel(PackageParser.ProviderIntentInfo filter) { 10344 return filter.provider; 10345 } 10346 10347 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 10348 PackageParser.Provider provider = (PackageParser.Provider)label; 10349 out.print(prefix); out.print( 10350 Integer.toHexString(System.identityHashCode(provider))); 10351 out.print(' '); 10352 provider.printComponentShortName(out); 10353 if (count > 1) { 10354 out.print(" ("); out.print(count); out.print(" filters)"); 10355 } 10356 out.println(); 10357 } 10358 10359 private final ArrayMap<ComponentName, PackageParser.Provider> mProviders 10360 = new ArrayMap<ComponentName, PackageParser.Provider>(); 10361 private int mFlags; 10362 } 10363 10364 private static final class EphemeralIntentResolver 10365 extends IntentResolver<EphemeralResolveIntentInfo, EphemeralResolveInfo> { 10366 @Override 10367 protected EphemeralResolveIntentInfo[] newArray(int size) { 10368 return new EphemeralResolveIntentInfo[size]; 10369 } 10370 10371 @Override 10372 protected boolean isPackageForFilter(String packageName, EphemeralResolveIntentInfo info) { 10373 return true; 10374 } 10375 10376 @Override 10377 protected EphemeralResolveInfo newResult(EphemeralResolveIntentInfo info, int match, 10378 int userId) { 10379 if (!sUserManager.exists(userId)) { 10380 return null; 10381 } 10382 return info.getEphemeralResolveInfo(); 10383 } 10384 } 10385 10386 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 10387 new Comparator<ResolveInfo>() { 10388 public int compare(ResolveInfo r1, ResolveInfo r2) { 10389 int v1 = r1.priority; 10390 int v2 = r2.priority; 10391 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 10392 if (v1 != v2) { 10393 return (v1 > v2) ? -1 : 1; 10394 } 10395 v1 = r1.preferredOrder; 10396 v2 = r2.preferredOrder; 10397 if (v1 != v2) { 10398 return (v1 > v2) ? -1 : 1; 10399 } 10400 if (r1.isDefault != r2.isDefault) { 10401 return r1.isDefault ? -1 : 1; 10402 } 10403 v1 = r1.match; 10404 v2 = r2.match; 10405 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 10406 if (v1 != v2) { 10407 return (v1 > v2) ? -1 : 1; 10408 } 10409 if (r1.system != r2.system) { 10410 return r1.system ? -1 : 1; 10411 } 10412 if (r1.activityInfo != null) { 10413 return r1.activityInfo.packageName.compareTo(r2.activityInfo.packageName); 10414 } 10415 if (r1.serviceInfo != null) { 10416 return r1.serviceInfo.packageName.compareTo(r2.serviceInfo.packageName); 10417 } 10418 if (r1.providerInfo != null) { 10419 return r1.providerInfo.packageName.compareTo(r2.providerInfo.packageName); 10420 } 10421 return 0; 10422 } 10423 }; 10424 10425 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 10426 new Comparator<ProviderInfo>() { 10427 public int compare(ProviderInfo p1, ProviderInfo p2) { 10428 final int v1 = p1.initOrder; 10429 final int v2 = p2.initOrder; 10430 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 10431 } 10432 }; 10433 10434 final void sendPackageBroadcast(final String action, final String pkg, final Bundle extras, 10435 final int flags, final String targetPkg, final IIntentReceiver finishedReceiver, 10436 final int[] userIds) { 10437 mHandler.post(new Runnable() { 10438 @Override 10439 public void run() { 10440 try { 10441 final IActivityManager am = ActivityManagerNative.getDefault(); 10442 if (am == null) return; 10443 final int[] resolvedUserIds; 10444 if (userIds == null) { 10445 resolvedUserIds = am.getRunningUserIds(); 10446 } else { 10447 resolvedUserIds = userIds; 10448 } 10449 for (int id : resolvedUserIds) { 10450 final Intent intent = new Intent(action, 10451 pkg != null ? Uri.fromParts("package", pkg, null) : null); 10452 if (extras != null) { 10453 intent.putExtras(extras); 10454 } 10455 if (targetPkg != null) { 10456 intent.setPackage(targetPkg); 10457 } 10458 // Modify the UID when posting to other users 10459 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 10460 if (uid > 0 && UserHandle.getUserId(uid) != id) { 10461 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 10462 intent.putExtra(Intent.EXTRA_UID, uid); 10463 } 10464 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 10465 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT | flags); 10466 if (DEBUG_BROADCASTS) { 10467 RuntimeException here = new RuntimeException("here"); 10468 here.fillInStackTrace(); 10469 Slog.d(TAG, "Sending to user " + id + ": " 10470 + intent.toShortString(false, true, false, false) 10471 + " " + intent.getExtras(), here); 10472 } 10473 am.broadcastIntent(null, intent, null, finishedReceiver, 10474 0, null, null, null, android.app.AppOpsManager.OP_NONE, 10475 null, finishedReceiver != null, false, id); 10476 } 10477 } catch (RemoteException ex) { 10478 } 10479 } 10480 }); 10481 } 10482 10483 /** 10484 * Check if the external storage media is available. This is true if there 10485 * is a mounted external storage medium or if the external storage is 10486 * emulated. 10487 */ 10488 private boolean isExternalMediaAvailable() { 10489 return mMediaMounted || Environment.isExternalStorageEmulated(); 10490 } 10491 10492 @Override 10493 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 10494 // writer 10495 synchronized (mPackages) { 10496 if (!isExternalMediaAvailable()) { 10497 // If the external storage is no longer mounted at this point, 10498 // the caller may not have been able to delete all of this 10499 // packages files and can not delete any more. Bail. 10500 return null; 10501 } 10502 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 10503 if (lastPackage != null) { 10504 pkgs.remove(lastPackage); 10505 } 10506 if (pkgs.size() > 0) { 10507 return pkgs.get(0); 10508 } 10509 } 10510 return null; 10511 } 10512 10513 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 10514 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 10515 userId, andCode ? 1 : 0, packageName); 10516 if (mSystemReady) { 10517 msg.sendToTarget(); 10518 } else { 10519 if (mPostSystemReadyMessages == null) { 10520 mPostSystemReadyMessages = new ArrayList<>(); 10521 } 10522 mPostSystemReadyMessages.add(msg); 10523 } 10524 } 10525 10526 void startCleaningPackages() { 10527 // reader 10528 if (!isExternalMediaAvailable()) { 10529 return; 10530 } 10531 synchronized (mPackages) { 10532 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 10533 return; 10534 } 10535 } 10536 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 10537 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 10538 IActivityManager am = ActivityManagerNative.getDefault(); 10539 if (am != null) { 10540 try { 10541 am.startService(null, intent, null, mContext.getOpPackageName(), 10542 UserHandle.USER_SYSTEM); 10543 } catch (RemoteException e) { 10544 } 10545 } 10546 } 10547 10548 @Override 10549 public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer, 10550 int installFlags, String installerPackageName, int userId) { 10551 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 10552 10553 final int callingUid = Binder.getCallingUid(); 10554 enforceCrossUserPermission(callingUid, userId, 10555 true /* requireFullPermission */, true /* checkShell */, "installPackageAsUser"); 10556 10557 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 10558 try { 10559 if (observer != null) { 10560 observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null); 10561 } 10562 } catch (RemoteException re) { 10563 } 10564 return; 10565 } 10566 10567 if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) { 10568 installFlags |= PackageManager.INSTALL_FROM_ADB; 10569 10570 } else { 10571 // Caller holds INSTALL_PACKAGES permission, so we're less strict 10572 // about installerPackageName. 10573 10574 installFlags &= ~PackageManager.INSTALL_FROM_ADB; 10575 installFlags &= ~PackageManager.INSTALL_ALL_USERS; 10576 } 10577 10578 UserHandle user; 10579 if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) { 10580 user = UserHandle.ALL; 10581 } else { 10582 user = new UserHandle(userId); 10583 } 10584 10585 // Only system components can circumvent runtime permissions when installing. 10586 if ((installFlags & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0 10587 && mContext.checkCallingOrSelfPermission(Manifest.permission 10588 .INSTALL_GRANT_RUNTIME_PERMISSIONS) == PackageManager.PERMISSION_DENIED) { 10589 throw new SecurityException("You need the " 10590 + "android.permission.INSTALL_GRANT_RUNTIME_PERMISSIONS permission " 10591 + "to use the PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS flag"); 10592 } 10593 10594 final File originFile = new File(originPath); 10595 final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile); 10596 10597 final Message msg = mHandler.obtainMessage(INIT_COPY); 10598 final VerificationInfo verificationInfo = new VerificationInfo( 10599 null /*originatingUri*/, null /*referrer*/, -1 /*originatingUid*/, callingUid); 10600 final InstallParams params = new InstallParams(origin, null /*moveInfo*/, observer, 10601 installFlags, installerPackageName, null /*volumeUuid*/, verificationInfo, user, 10602 null /*packageAbiOverride*/, null /*grantedPermissions*/); 10603 params.setTraceMethod("installAsUser").setTraceCookie(System.identityHashCode(params)); 10604 msg.obj = params; 10605 10606 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installAsUser", 10607 System.identityHashCode(msg.obj)); 10608 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 10609 System.identityHashCode(msg.obj)); 10610 10611 mHandler.sendMessage(msg); 10612 } 10613 10614 void installStage(String packageName, File stagedDir, String stagedCid, 10615 IPackageInstallObserver2 observer, PackageInstaller.SessionParams sessionParams, 10616 String installerPackageName, int installerUid, UserHandle user) { 10617 if (DEBUG_EPHEMERAL) { 10618 if ((sessionParams.installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 10619 Slog.d(TAG, "Ephemeral install of " + packageName); 10620 } 10621 } 10622 final VerificationInfo verificationInfo = new VerificationInfo( 10623 sessionParams.originatingUri, sessionParams.referrerUri, 10624 sessionParams.originatingUid, installerUid); 10625 10626 final OriginInfo origin; 10627 if (stagedDir != null) { 10628 origin = OriginInfo.fromStagedFile(stagedDir); 10629 } else { 10630 origin = OriginInfo.fromStagedContainer(stagedCid); 10631 } 10632 10633 final Message msg = mHandler.obtainMessage(INIT_COPY); 10634 final InstallParams params = new InstallParams(origin, null, observer, 10635 sessionParams.installFlags, installerPackageName, sessionParams.volumeUuid, 10636 verificationInfo, user, sessionParams.abiOverride, 10637 sessionParams.grantedRuntimePermissions); 10638 params.setTraceMethod("installStage").setTraceCookie(System.identityHashCode(params)); 10639 msg.obj = params; 10640 10641 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installStage", 10642 System.identityHashCode(msg.obj)); 10643 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 10644 System.identityHashCode(msg.obj)); 10645 10646 mHandler.sendMessage(msg); 10647 } 10648 10649 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, 10650 int userId) { 10651 final boolean isSystem = isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 10652 sendPackageAddedForUser(packageName, isSystem, pkgSetting.appId, userId); 10653 } 10654 10655 private void sendPackageAddedForUser(String packageName, boolean isSystem, 10656 int appId, int userId) { 10657 Bundle extras = new Bundle(1); 10658 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, appId)); 10659 10660 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 10661 packageName, extras, 0, null, null, new int[] {userId}); 10662 try { 10663 IActivityManager am = ActivityManagerNative.getDefault(); 10664 if (isSystem && am.isUserRunning(userId, 0)) { 10665 // The just-installed/enabled app is bundled on the system, so presumed 10666 // to be able to run automatically without needing an explicit launch. 10667 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 10668 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 10669 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 10670 .setPackage(packageName); 10671 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 10672 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 10673 } 10674 } catch (RemoteException e) { 10675 // shouldn't happen 10676 Slog.w(TAG, "Unable to bootstrap installed package", e); 10677 } 10678 } 10679 10680 @Override 10681 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 10682 int userId) { 10683 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 10684 PackageSetting pkgSetting; 10685 final int uid = Binder.getCallingUid(); 10686 enforceCrossUserPermission(uid, userId, 10687 true /* requireFullPermission */, true /* checkShell */, 10688 "setApplicationHiddenSetting for user " + userId); 10689 10690 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 10691 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 10692 return false; 10693 } 10694 10695 long callingId = Binder.clearCallingIdentity(); 10696 try { 10697 boolean sendAdded = false; 10698 boolean sendRemoved = false; 10699 // writer 10700 synchronized (mPackages) { 10701 pkgSetting = mSettings.mPackages.get(packageName); 10702 if (pkgSetting == null) { 10703 return false; 10704 } 10705 if (pkgSetting.getHidden(userId) != hidden) { 10706 pkgSetting.setHidden(hidden, userId); 10707 mSettings.writePackageRestrictionsLPr(userId); 10708 if (hidden) { 10709 sendRemoved = true; 10710 } else { 10711 sendAdded = true; 10712 } 10713 } 10714 } 10715 if (sendAdded) { 10716 sendPackageAddedForUser(packageName, pkgSetting, userId); 10717 return true; 10718 } 10719 if (sendRemoved) { 10720 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 10721 "hiding pkg"); 10722 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 10723 return true; 10724 } 10725 } finally { 10726 Binder.restoreCallingIdentity(callingId); 10727 } 10728 return false; 10729 } 10730 10731 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 10732 int userId) { 10733 final PackageRemovedInfo info = new PackageRemovedInfo(); 10734 info.removedPackage = packageName; 10735 info.removedUsers = new int[] {userId}; 10736 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 10737 info.sendPackageRemovedBroadcasts(true /*killApp*/); 10738 } 10739 10740 private void sendPackagesSuspendedForUser(String[] pkgList, int userId, boolean suspended) { 10741 if (pkgList.length > 0) { 10742 Bundle extras = new Bundle(1); 10743 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 10744 10745 sendPackageBroadcast( 10746 suspended ? Intent.ACTION_PACKAGES_SUSPENDED 10747 : Intent.ACTION_PACKAGES_UNSUSPENDED, 10748 null, extras, Intent.FLAG_RECEIVER_REGISTERED_ONLY, null, null, 10749 new int[] {userId}); 10750 } 10751 } 10752 10753 /** 10754 * Returns true if application is not found or there was an error. Otherwise it returns 10755 * the hidden state of the package for the given user. 10756 */ 10757 @Override 10758 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 10759 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 10760 enforceCrossUserPermission(Binder.getCallingUid(), userId, 10761 true /* requireFullPermission */, false /* checkShell */, 10762 "getApplicationHidden for user " + userId); 10763 PackageSetting pkgSetting; 10764 long callingId = Binder.clearCallingIdentity(); 10765 try { 10766 // writer 10767 synchronized (mPackages) { 10768 pkgSetting = mSettings.mPackages.get(packageName); 10769 if (pkgSetting == null) { 10770 return true; 10771 } 10772 return pkgSetting.getHidden(userId); 10773 } 10774 } finally { 10775 Binder.restoreCallingIdentity(callingId); 10776 } 10777 } 10778 10779 /** 10780 * @hide 10781 */ 10782 @Override 10783 public int installExistingPackageAsUser(String packageName, int userId) { 10784 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 10785 null); 10786 PackageSetting pkgSetting; 10787 final int uid = Binder.getCallingUid(); 10788 enforceCrossUserPermission(uid, userId, 10789 true /* requireFullPermission */, true /* checkShell */, 10790 "installExistingPackage for user " + userId); 10791 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 10792 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 10793 } 10794 10795 long callingId = Binder.clearCallingIdentity(); 10796 try { 10797 boolean installed = false; 10798 10799 // writer 10800 synchronized (mPackages) { 10801 pkgSetting = mSettings.mPackages.get(packageName); 10802 if (pkgSetting == null) { 10803 return PackageManager.INSTALL_FAILED_INVALID_URI; 10804 } 10805 if (!pkgSetting.getInstalled(userId)) { 10806 pkgSetting.setInstalled(true, userId); 10807 pkgSetting.setHidden(false, userId); 10808 mSettings.writePackageRestrictionsLPr(userId); 10809 installed = true; 10810 } 10811 } 10812 10813 if (installed) { 10814 if (pkgSetting.pkg != null) { 10815 prepareAppDataAfterInstall(pkgSetting.pkg); 10816 } 10817 sendPackageAddedForUser(packageName, pkgSetting, userId); 10818 } 10819 } finally { 10820 Binder.restoreCallingIdentity(callingId); 10821 } 10822 10823 return PackageManager.INSTALL_SUCCEEDED; 10824 } 10825 10826 boolean isUserRestricted(int userId, String restrictionKey) { 10827 Bundle restrictions = sUserManager.getUserRestrictions(userId); 10828 if (restrictions.getBoolean(restrictionKey, false)) { 10829 Log.w(TAG, "User is restricted: " + restrictionKey); 10830 return true; 10831 } 10832 return false; 10833 } 10834 10835 @Override 10836 public String[] setPackagesSuspendedAsUser(String[] packageNames, boolean suspended, 10837 int userId) { 10838 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 10839 enforceCrossUserPermission(Binder.getCallingUid(), userId, 10840 true /* requireFullPermission */, true /* checkShell */, 10841 "setPackagesSuspended for user " + userId); 10842 10843 if (ArrayUtils.isEmpty(packageNames)) { 10844 return packageNames; 10845 } 10846 10847 // List of package names for whom the suspended state has changed. 10848 List<String> changedPackages = new ArrayList<>(packageNames.length); 10849 // List of package names for whom the suspended state is not set as requested in this 10850 // method. 10851 List<String> unactionedPackages = new ArrayList<>(packageNames.length); 10852 for (int i = 0; i < packageNames.length; i++) { 10853 String packageName = packageNames[i]; 10854 long callingId = Binder.clearCallingIdentity(); 10855 try { 10856 boolean changed = false; 10857 final int appId; 10858 synchronized (mPackages) { 10859 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 10860 if (pkgSetting == null) { 10861 Slog.w(TAG, "Could not find package setting for package \"" + packageName 10862 + "\". Skipping suspending/un-suspending."); 10863 unactionedPackages.add(packageName); 10864 continue; 10865 } 10866 appId = pkgSetting.appId; 10867 if (pkgSetting.getSuspended(userId) != suspended) { 10868 if (!canSuspendPackageForUserLocked(packageName, userId)) { 10869 unactionedPackages.add(packageName); 10870 continue; 10871 } 10872 pkgSetting.setSuspended(suspended, userId); 10873 mSettings.writePackageRestrictionsLPr(userId); 10874 changed = true; 10875 changedPackages.add(packageName); 10876 } 10877 } 10878 10879 if (changed && suspended) { 10880 killApplication(packageName, UserHandle.getUid(userId, appId), 10881 "suspending package"); 10882 } 10883 } finally { 10884 Binder.restoreCallingIdentity(callingId); 10885 } 10886 } 10887 10888 if (!changedPackages.isEmpty()) { 10889 sendPackagesSuspendedForUser(changedPackages.toArray( 10890 new String[changedPackages.size()]), userId, suspended); 10891 } 10892 10893 return unactionedPackages.toArray(new String[unactionedPackages.size()]); 10894 } 10895 10896 @Override 10897 public boolean isPackageSuspendedForUser(String packageName, int userId) { 10898 enforceCrossUserPermission(Binder.getCallingUid(), userId, 10899 true /* requireFullPermission */, false /* checkShell */, 10900 "isPackageSuspendedForUser for user " + userId); 10901 synchronized (mPackages) { 10902 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 10903 if (pkgSetting == null) { 10904 throw new IllegalArgumentException("Unknown target package: " + packageName); 10905 } 10906 return pkgSetting.getSuspended(userId); 10907 } 10908 } 10909 10910 /** 10911 * TODO: cache and disallow blocking the active dialer. 10912 * 10913 * @see also DefaultPermissionGrantPolicy#grantDefaultSystemHandlerPermissions 10914 */ 10915 private boolean canSuspendPackageForUserLocked(String packageName, int userId) { 10916 if (isPackageDeviceAdmin(packageName, userId)) { 10917 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 10918 + "\": has an active device admin"); 10919 return false; 10920 } 10921 10922 String activeLauncherPackageName = getActiveLauncherPackageName(userId); 10923 if (packageName.equals(activeLauncherPackageName)) { 10924 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 10925 + "\": contains the active launcher"); 10926 return false; 10927 } 10928 10929 if (packageName.equals(mRequiredInstallerPackage)) { 10930 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 10931 + "\": required for package installation"); 10932 return false; 10933 } 10934 10935 if (packageName.equals(mRequiredVerifierPackage)) { 10936 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 10937 + "\": required for package verification"); 10938 return false; 10939 } 10940 10941 final PackageParser.Package pkg = mPackages.get(packageName); 10942 if (pkg != null && isPrivilegedApp(pkg)) { 10943 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 10944 + "\": is a privileged app"); 10945 return false; 10946 } 10947 10948 return true; 10949 } 10950 10951 private String getActiveLauncherPackageName(int userId) { 10952 Intent intent = new Intent(Intent.ACTION_MAIN); 10953 intent.addCategory(Intent.CATEGORY_HOME); 10954 ResolveInfo resolveInfo = resolveIntent( 10955 intent, 10956 intent.resolveTypeIfNeeded(mContext.getContentResolver()), 10957 PackageManager.MATCH_DEFAULT_ONLY, 10958 userId); 10959 10960 return resolveInfo == null ? null : resolveInfo.activityInfo.packageName; 10961 } 10962 10963 @Override 10964 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 10965 mContext.enforceCallingOrSelfPermission( 10966 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 10967 "Only package verification agents can verify applications"); 10968 10969 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 10970 final PackageVerificationResponse response = new PackageVerificationResponse( 10971 verificationCode, Binder.getCallingUid()); 10972 msg.arg1 = id; 10973 msg.obj = response; 10974 mHandler.sendMessage(msg); 10975 } 10976 10977 @Override 10978 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 10979 long millisecondsToDelay) { 10980 mContext.enforceCallingOrSelfPermission( 10981 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 10982 "Only package verification agents can extend verification timeouts"); 10983 10984 final PackageVerificationState state = mPendingVerification.get(id); 10985 final PackageVerificationResponse response = new PackageVerificationResponse( 10986 verificationCodeAtTimeout, Binder.getCallingUid()); 10987 10988 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 10989 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 10990 } 10991 if (millisecondsToDelay < 0) { 10992 millisecondsToDelay = 0; 10993 } 10994 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 10995 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 10996 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 10997 } 10998 10999 if ((state != null) && !state.timeoutExtended()) { 11000 state.extendTimeout(); 11001 11002 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 11003 msg.arg1 = id; 11004 msg.obj = response; 11005 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 11006 } 11007 } 11008 11009 private void broadcastPackageVerified(int verificationId, Uri packageUri, 11010 int verificationCode, UserHandle user) { 11011 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 11012 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 11013 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 11014 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 11015 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 11016 11017 mContext.sendBroadcastAsUser(intent, user, 11018 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 11019 } 11020 11021 private ComponentName matchComponentForVerifier(String packageName, 11022 List<ResolveInfo> receivers) { 11023 ActivityInfo targetReceiver = null; 11024 11025 final int NR = receivers.size(); 11026 for (int i = 0; i < NR; i++) { 11027 final ResolveInfo info = receivers.get(i); 11028 if (info.activityInfo == null) { 11029 continue; 11030 } 11031 11032 if (packageName.equals(info.activityInfo.packageName)) { 11033 targetReceiver = info.activityInfo; 11034 break; 11035 } 11036 } 11037 11038 if (targetReceiver == null) { 11039 return null; 11040 } 11041 11042 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 11043 } 11044 11045 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 11046 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 11047 if (pkgInfo.verifiers.length == 0) { 11048 return null; 11049 } 11050 11051 final int N = pkgInfo.verifiers.length; 11052 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 11053 for (int i = 0; i < N; i++) { 11054 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 11055 11056 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 11057 receivers); 11058 if (comp == null) { 11059 continue; 11060 } 11061 11062 final int verifierUid = getUidForVerifier(verifierInfo); 11063 if (verifierUid == -1) { 11064 continue; 11065 } 11066 11067 if (DEBUG_VERIFY) { 11068 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 11069 + " with the correct signature"); 11070 } 11071 sufficientVerifiers.add(comp); 11072 verificationState.addSufficientVerifier(verifierUid); 11073 } 11074 11075 return sufficientVerifiers; 11076 } 11077 11078 private int getUidForVerifier(VerifierInfo verifierInfo) { 11079 synchronized (mPackages) { 11080 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 11081 if (pkg == null) { 11082 return -1; 11083 } else if (pkg.mSignatures.length != 1) { 11084 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 11085 + " has more than one signature; ignoring"); 11086 return -1; 11087 } 11088 11089 /* 11090 * If the public key of the package's signature does not match 11091 * our expected public key, then this is a different package and 11092 * we should skip. 11093 */ 11094 11095 final byte[] expectedPublicKey; 11096 try { 11097 final Signature verifierSig = pkg.mSignatures[0]; 11098 final PublicKey publicKey = verifierSig.getPublicKey(); 11099 expectedPublicKey = publicKey.getEncoded(); 11100 } catch (CertificateException e) { 11101 return -1; 11102 } 11103 11104 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 11105 11106 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 11107 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 11108 + " does not have the expected public key; ignoring"); 11109 return -1; 11110 } 11111 11112 return pkg.applicationInfo.uid; 11113 } 11114 } 11115 11116 @Override 11117 public void finishPackageInstall(int token) { 11118 enforceSystemOrRoot("Only the system is allowed to finish installs"); 11119 11120 if (DEBUG_INSTALL) { 11121 Slog.v(TAG, "BM finishing package install for " + token); 11122 } 11123 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 11124 11125 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 11126 mHandler.sendMessage(msg); 11127 } 11128 11129 /** 11130 * Get the verification agent timeout. 11131 * 11132 * @return verification timeout in milliseconds 11133 */ 11134 private long getVerificationTimeout() { 11135 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 11136 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 11137 DEFAULT_VERIFICATION_TIMEOUT); 11138 } 11139 11140 /** 11141 * Get the default verification agent response code. 11142 * 11143 * @return default verification response code 11144 */ 11145 private int getDefaultVerificationResponse() { 11146 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 11147 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 11148 DEFAULT_VERIFICATION_RESPONSE); 11149 } 11150 11151 /** 11152 * Check whether or not package verification has been enabled. 11153 * 11154 * @return true if verification should be performed 11155 */ 11156 private boolean isVerificationEnabled(int userId, int installFlags) { 11157 if (!DEFAULT_VERIFY_ENABLE) { 11158 return false; 11159 } 11160 // Ephemeral apps don't get the full verification treatment 11161 if ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 11162 if (DEBUG_EPHEMERAL) { 11163 Slog.d(TAG, "INSTALL_EPHEMERAL so skipping verification"); 11164 } 11165 return false; 11166 } 11167 11168 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 11169 11170 // Check if installing from ADB 11171 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 11172 // Do not run verification in a test harness environment 11173 if (ActivityManager.isRunningInTestHarness()) { 11174 return false; 11175 } 11176 if (ensureVerifyAppsEnabled) { 11177 return true; 11178 } 11179 // Check if the developer does not want package verification for ADB installs 11180 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 11181 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 11182 return false; 11183 } 11184 } 11185 11186 if (ensureVerifyAppsEnabled) { 11187 return true; 11188 } 11189 11190 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 11191 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 11192 } 11193 11194 @Override 11195 public void verifyIntentFilter(int id, int verificationCode, List<String> failedDomains) 11196 throws RemoteException { 11197 mContext.enforceCallingOrSelfPermission( 11198 Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 11199 "Only intentfilter verification agents can verify applications"); 11200 11201 final Message msg = mHandler.obtainMessage(INTENT_FILTER_VERIFIED); 11202 final IntentFilterVerificationResponse response = new IntentFilterVerificationResponse( 11203 Binder.getCallingUid(), verificationCode, failedDomains); 11204 msg.arg1 = id; 11205 msg.obj = response; 11206 mHandler.sendMessage(msg); 11207 } 11208 11209 @Override 11210 public int getIntentVerificationStatus(String packageName, int userId) { 11211 synchronized (mPackages) { 11212 return mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 11213 } 11214 } 11215 11216 @Override 11217 public boolean updateIntentVerificationStatus(String packageName, int status, int userId) { 11218 mContext.enforceCallingOrSelfPermission( 11219 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11220 11221 boolean result = false; 11222 synchronized (mPackages) { 11223 result = mSettings.updateIntentFilterVerificationStatusLPw(packageName, status, userId); 11224 } 11225 if (result) { 11226 scheduleWritePackageRestrictionsLocked(userId); 11227 } 11228 return result; 11229 } 11230 11231 @Override 11232 public @NonNull ParceledListSlice<IntentFilterVerificationInfo> getIntentFilterVerifications( 11233 String packageName) { 11234 synchronized (mPackages) { 11235 return new ParceledListSlice<>(mSettings.getIntentFilterVerificationsLPr(packageName)); 11236 } 11237 } 11238 11239 @Override 11240 public @NonNull ParceledListSlice<IntentFilter> getAllIntentFilters(String packageName) { 11241 if (TextUtils.isEmpty(packageName)) { 11242 return ParceledListSlice.emptyList(); 11243 } 11244 synchronized (mPackages) { 11245 PackageParser.Package pkg = mPackages.get(packageName); 11246 if (pkg == null || pkg.activities == null) { 11247 return ParceledListSlice.emptyList(); 11248 } 11249 final int count = pkg.activities.size(); 11250 ArrayList<IntentFilter> result = new ArrayList<>(); 11251 for (int n=0; n<count; n++) { 11252 PackageParser.Activity activity = pkg.activities.get(n); 11253 if (activity.intents != null && activity.intents.size() > 0) { 11254 result.addAll(activity.intents); 11255 } 11256 } 11257 return new ParceledListSlice<>(result); 11258 } 11259 } 11260 11261 @Override 11262 public boolean setDefaultBrowserPackageName(String packageName, int userId) { 11263 mContext.enforceCallingOrSelfPermission( 11264 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11265 11266 synchronized (mPackages) { 11267 boolean result = mSettings.setDefaultBrowserPackageNameLPw(packageName, userId); 11268 if (packageName != null) { 11269 result |= updateIntentVerificationStatus(packageName, 11270 PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, 11271 userId); 11272 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultBrowserLPr( 11273 packageName, userId); 11274 } 11275 return result; 11276 } 11277 } 11278 11279 @Override 11280 public String getDefaultBrowserPackageName(int userId) { 11281 synchronized (mPackages) { 11282 return mSettings.getDefaultBrowserPackageNameLPw(userId); 11283 } 11284 } 11285 11286 /** 11287 * Get the "allow unknown sources" setting. 11288 * 11289 * @return the current "allow unknown sources" setting 11290 */ 11291 private int getUnknownSourcesSettings() { 11292 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 11293 android.provider.Settings.Global.INSTALL_NON_MARKET_APPS, 11294 -1); 11295 } 11296 11297 @Override 11298 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 11299 final int uid = Binder.getCallingUid(); 11300 // writer 11301 synchronized (mPackages) { 11302 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 11303 if (targetPackageSetting == null) { 11304 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 11305 } 11306 11307 PackageSetting installerPackageSetting; 11308 if (installerPackageName != null) { 11309 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 11310 if (installerPackageSetting == null) { 11311 throw new IllegalArgumentException("Unknown installer package: " 11312 + installerPackageName); 11313 } 11314 } else { 11315 installerPackageSetting = null; 11316 } 11317 11318 Signature[] callerSignature; 11319 Object obj = mSettings.getUserIdLPr(uid); 11320 if (obj != null) { 11321 if (obj instanceof SharedUserSetting) { 11322 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 11323 } else if (obj instanceof PackageSetting) { 11324 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 11325 } else { 11326 throw new SecurityException("Bad object " + obj + " for uid " + uid); 11327 } 11328 } else { 11329 throw new SecurityException("Unknown calling UID: " + uid); 11330 } 11331 11332 // Verify: can't set installerPackageName to a package that is 11333 // not signed with the same cert as the caller. 11334 if (installerPackageSetting != null) { 11335 if (compareSignatures(callerSignature, 11336 installerPackageSetting.signatures.mSignatures) 11337 != PackageManager.SIGNATURE_MATCH) { 11338 throw new SecurityException( 11339 "Caller does not have same cert as new installer package " 11340 + installerPackageName); 11341 } 11342 } 11343 11344 // Verify: if target already has an installer package, it must 11345 // be signed with the same cert as the caller. 11346 if (targetPackageSetting.installerPackageName != null) { 11347 PackageSetting setting = mSettings.mPackages.get( 11348 targetPackageSetting.installerPackageName); 11349 // If the currently set package isn't valid, then it's always 11350 // okay to change it. 11351 if (setting != null) { 11352 if (compareSignatures(callerSignature, 11353 setting.signatures.mSignatures) 11354 != PackageManager.SIGNATURE_MATCH) { 11355 throw new SecurityException( 11356 "Caller does not have same cert as old installer package " 11357 + targetPackageSetting.installerPackageName); 11358 } 11359 } 11360 } 11361 11362 // Okay! 11363 targetPackageSetting.installerPackageName = installerPackageName; 11364 if (installerPackageName != null) { 11365 mSettings.mInstallerPackages.add(installerPackageName); 11366 } 11367 scheduleWriteSettingsLocked(); 11368 } 11369 } 11370 11371 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 11372 // Queue up an async operation since the package installation may take a little while. 11373 mHandler.post(new Runnable() { 11374 public void run() { 11375 mHandler.removeCallbacks(this); 11376 // Result object to be returned 11377 PackageInstalledInfo res = new PackageInstalledInfo(); 11378 res.setReturnCode(currentStatus); 11379 res.uid = -1; 11380 res.pkg = null; 11381 res.removedInfo = null; 11382 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 11383 args.doPreInstall(res.returnCode); 11384 synchronized (mInstallLock) { 11385 installPackageTracedLI(args, res); 11386 } 11387 args.doPostInstall(res.returnCode, res.uid); 11388 } 11389 11390 // A restore should be performed at this point if (a) the install 11391 // succeeded, (b) the operation is not an update, and (c) the new 11392 // package has not opted out of backup participation. 11393 final boolean update = res.removedInfo != null 11394 && res.removedInfo.removedPackage != null; 11395 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 11396 boolean doRestore = !update 11397 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 11398 11399 // Set up the post-install work request bookkeeping. This will be used 11400 // and cleaned up by the post-install event handling regardless of whether 11401 // there's a restore pass performed. Token values are >= 1. 11402 int token; 11403 if (mNextInstallToken < 0) mNextInstallToken = 1; 11404 token = mNextInstallToken++; 11405 11406 PostInstallData data = new PostInstallData(args, res); 11407 mRunningInstalls.put(token, data); 11408 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 11409 11410 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 11411 // Pass responsibility to the Backup Manager. It will perform a 11412 // restore if appropriate, then pass responsibility back to the 11413 // Package Manager to run the post-install observer callbacks 11414 // and broadcasts. 11415 IBackupManager bm = IBackupManager.Stub.asInterface( 11416 ServiceManager.getService(Context.BACKUP_SERVICE)); 11417 if (bm != null) { 11418 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 11419 + " to BM for possible restore"); 11420 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 11421 try { 11422 // TODO: http://b/22388012 11423 if (bm.isBackupServiceActive(UserHandle.USER_SYSTEM)) { 11424 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 11425 } else { 11426 doRestore = false; 11427 } 11428 } catch (RemoteException e) { 11429 // can't happen; the backup manager is local 11430 } catch (Exception e) { 11431 Slog.e(TAG, "Exception trying to enqueue restore", e); 11432 doRestore = false; 11433 } 11434 } else { 11435 Slog.e(TAG, "Backup Manager not found!"); 11436 doRestore = false; 11437 } 11438 } 11439 11440 if (!doRestore) { 11441 // No restore possible, or the Backup Manager was mysteriously not 11442 // available -- just fire the post-install work request directly. 11443 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 11444 11445 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "postInstall", token); 11446 11447 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 11448 mHandler.sendMessage(msg); 11449 } 11450 } 11451 }); 11452 } 11453 11454 private abstract class HandlerParams { 11455 private static final int MAX_RETRIES = 4; 11456 11457 /** 11458 * Number of times startCopy() has been attempted and had a non-fatal 11459 * error. 11460 */ 11461 private int mRetries = 0; 11462 11463 /** User handle for the user requesting the information or installation. */ 11464 private final UserHandle mUser; 11465 String traceMethod; 11466 int traceCookie; 11467 11468 HandlerParams(UserHandle user) { 11469 mUser = user; 11470 } 11471 11472 UserHandle getUser() { 11473 return mUser; 11474 } 11475 11476 HandlerParams setTraceMethod(String traceMethod) { 11477 this.traceMethod = traceMethod; 11478 return this; 11479 } 11480 11481 HandlerParams setTraceCookie(int traceCookie) { 11482 this.traceCookie = traceCookie; 11483 return this; 11484 } 11485 11486 final boolean startCopy() { 11487 boolean res; 11488 try { 11489 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 11490 11491 if (++mRetries > MAX_RETRIES) { 11492 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 11493 mHandler.sendEmptyMessage(MCS_GIVE_UP); 11494 handleServiceError(); 11495 return false; 11496 } else { 11497 handleStartCopy(); 11498 res = true; 11499 } 11500 } catch (RemoteException e) { 11501 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 11502 mHandler.sendEmptyMessage(MCS_RECONNECT); 11503 res = false; 11504 } 11505 handleReturnCode(); 11506 return res; 11507 } 11508 11509 final void serviceError() { 11510 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 11511 handleServiceError(); 11512 handleReturnCode(); 11513 } 11514 11515 abstract void handleStartCopy() throws RemoteException; 11516 abstract void handleServiceError(); 11517 abstract void handleReturnCode(); 11518 } 11519 11520 class MeasureParams extends HandlerParams { 11521 private final PackageStats mStats; 11522 private boolean mSuccess; 11523 11524 private final IPackageStatsObserver mObserver; 11525 11526 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 11527 super(new UserHandle(stats.userHandle)); 11528 mObserver = observer; 11529 mStats = stats; 11530 } 11531 11532 @Override 11533 public String toString() { 11534 return "MeasureParams{" 11535 + Integer.toHexString(System.identityHashCode(this)) 11536 + " " + mStats.packageName + "}"; 11537 } 11538 11539 @Override 11540 void handleStartCopy() throws RemoteException { 11541 synchronized (mInstallLock) { 11542 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 11543 } 11544 11545 if (mSuccess) { 11546 final boolean mounted; 11547 if (Environment.isExternalStorageEmulated()) { 11548 mounted = true; 11549 } else { 11550 final String status = Environment.getExternalStorageState(); 11551 mounted = (Environment.MEDIA_MOUNTED.equals(status) 11552 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 11553 } 11554 11555 if (mounted) { 11556 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 11557 11558 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 11559 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 11560 11561 mStats.externalDataSize = calculateDirectorySize(mContainerService, 11562 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 11563 11564 // Always subtract cache size, since it's a subdirectory 11565 mStats.externalDataSize -= mStats.externalCacheSize; 11566 11567 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 11568 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 11569 11570 mStats.externalObbSize = calculateDirectorySize(mContainerService, 11571 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 11572 } 11573 } 11574 } 11575 11576 @Override 11577 void handleReturnCode() { 11578 if (mObserver != null) { 11579 try { 11580 mObserver.onGetStatsCompleted(mStats, mSuccess); 11581 } catch (RemoteException e) { 11582 Slog.i(TAG, "Observer no longer exists."); 11583 } 11584 } 11585 } 11586 11587 @Override 11588 void handleServiceError() { 11589 Slog.e(TAG, "Could not measure application " + mStats.packageName 11590 + " external storage"); 11591 } 11592 } 11593 11594 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 11595 throws RemoteException { 11596 long result = 0; 11597 for (File path : paths) { 11598 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 11599 } 11600 return result; 11601 } 11602 11603 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 11604 for (File path : paths) { 11605 try { 11606 mcs.clearDirectory(path.getAbsolutePath()); 11607 } catch (RemoteException e) { 11608 } 11609 } 11610 } 11611 11612 static class OriginInfo { 11613 /** 11614 * Location where install is coming from, before it has been 11615 * copied/renamed into place. This could be a single monolithic APK 11616 * file, or a cluster directory. This location may be untrusted. 11617 */ 11618 final File file; 11619 final String cid; 11620 11621 /** 11622 * Flag indicating that {@link #file} or {@link #cid} has already been 11623 * staged, meaning downstream users don't need to defensively copy the 11624 * contents. 11625 */ 11626 final boolean staged; 11627 11628 /** 11629 * Flag indicating that {@link #file} or {@link #cid} is an already 11630 * installed app that is being moved. 11631 */ 11632 final boolean existing; 11633 11634 final String resolvedPath; 11635 final File resolvedFile; 11636 11637 static OriginInfo fromNothing() { 11638 return new OriginInfo(null, null, false, false); 11639 } 11640 11641 static OriginInfo fromUntrustedFile(File file) { 11642 return new OriginInfo(file, null, false, false); 11643 } 11644 11645 static OriginInfo fromExistingFile(File file) { 11646 return new OriginInfo(file, null, false, true); 11647 } 11648 11649 static OriginInfo fromStagedFile(File file) { 11650 return new OriginInfo(file, null, true, false); 11651 } 11652 11653 static OriginInfo fromStagedContainer(String cid) { 11654 return new OriginInfo(null, cid, true, false); 11655 } 11656 11657 private OriginInfo(File file, String cid, boolean staged, boolean existing) { 11658 this.file = file; 11659 this.cid = cid; 11660 this.staged = staged; 11661 this.existing = existing; 11662 11663 if (cid != null) { 11664 resolvedPath = PackageHelper.getSdDir(cid); 11665 resolvedFile = new File(resolvedPath); 11666 } else if (file != null) { 11667 resolvedPath = file.getAbsolutePath(); 11668 resolvedFile = file; 11669 } else { 11670 resolvedPath = null; 11671 resolvedFile = null; 11672 } 11673 } 11674 } 11675 11676 static class MoveInfo { 11677 final int moveId; 11678 final String fromUuid; 11679 final String toUuid; 11680 final String packageName; 11681 final String dataAppName; 11682 final int appId; 11683 final String seinfo; 11684 final int targetSdkVersion; 11685 11686 public MoveInfo(int moveId, String fromUuid, String toUuid, String packageName, 11687 String dataAppName, int appId, String seinfo, int targetSdkVersion) { 11688 this.moveId = moveId; 11689 this.fromUuid = fromUuid; 11690 this.toUuid = toUuid; 11691 this.packageName = packageName; 11692 this.dataAppName = dataAppName; 11693 this.appId = appId; 11694 this.seinfo = seinfo; 11695 this.targetSdkVersion = targetSdkVersion; 11696 } 11697 } 11698 11699 static class VerificationInfo { 11700 /** A constant used to indicate that a uid value is not present. */ 11701 public static final int NO_UID = -1; 11702 11703 /** URI referencing where the package was downloaded from. */ 11704 final Uri originatingUri; 11705 11706 /** HTTP referrer URI associated with the originatingURI. */ 11707 final Uri referrer; 11708 11709 /** UID of the application that the install request originated from. */ 11710 final int originatingUid; 11711 11712 /** UID of application requesting the install */ 11713 final int installerUid; 11714 11715 VerificationInfo(Uri originatingUri, Uri referrer, int originatingUid, int installerUid) { 11716 this.originatingUri = originatingUri; 11717 this.referrer = referrer; 11718 this.originatingUid = originatingUid; 11719 this.installerUid = installerUid; 11720 } 11721 } 11722 11723 class InstallParams extends HandlerParams { 11724 final OriginInfo origin; 11725 final MoveInfo move; 11726 final IPackageInstallObserver2 observer; 11727 int installFlags; 11728 final String installerPackageName; 11729 final String volumeUuid; 11730 private InstallArgs mArgs; 11731 private int mRet; 11732 final String packageAbiOverride; 11733 final String[] grantedRuntimePermissions; 11734 final VerificationInfo verificationInfo; 11735 11736 InstallParams(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 11737 int installFlags, String installerPackageName, String volumeUuid, 11738 VerificationInfo verificationInfo, UserHandle user, String packageAbiOverride, 11739 String[] grantedPermissions) { 11740 super(user); 11741 this.origin = origin; 11742 this.move = move; 11743 this.observer = observer; 11744 this.installFlags = installFlags; 11745 this.installerPackageName = installerPackageName; 11746 this.volumeUuid = volumeUuid; 11747 this.verificationInfo = verificationInfo; 11748 this.packageAbiOverride = packageAbiOverride; 11749 this.grantedRuntimePermissions = grantedPermissions; 11750 } 11751 11752 @Override 11753 public String toString() { 11754 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 11755 + " file=" + origin.file + " cid=" + origin.cid + "}"; 11756 } 11757 11758 private int installLocationPolicy(PackageInfoLite pkgLite) { 11759 String packageName = pkgLite.packageName; 11760 int installLocation = pkgLite.installLocation; 11761 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 11762 // reader 11763 synchronized (mPackages) { 11764 // Currently installed package which the new package is attempting to replace or 11765 // null if no such package is installed. 11766 PackageParser.Package installedPkg = mPackages.get(packageName); 11767 // Package which currently owns the data which the new package will own if installed. 11768 // If an app is unstalled while keeping data (e.g., adb uninstall -k), installedPkg 11769 // will be null whereas dataOwnerPkg will contain information about the package 11770 // which was uninstalled while keeping its data. 11771 PackageParser.Package dataOwnerPkg = installedPkg; 11772 if (dataOwnerPkg == null) { 11773 PackageSetting ps = mSettings.mPackages.get(packageName); 11774 if (ps != null) { 11775 dataOwnerPkg = ps.pkg; 11776 } 11777 } 11778 11779 if (dataOwnerPkg != null) { 11780 // If installed, the package will get access to data left on the device by its 11781 // predecessor. As a security measure, this is permited only if this is not a 11782 // version downgrade or if the predecessor package is marked as debuggable and 11783 // a downgrade is explicitly requested. 11784 if (((dataOwnerPkg.applicationInfo.flags & ApplicationInfo.FLAG_DEBUGGABLE) == 0) 11785 || ((installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) == 0)) { 11786 try { 11787 checkDowngrade(dataOwnerPkg, pkgLite); 11788 } catch (PackageManagerException e) { 11789 Slog.w(TAG, "Downgrade detected: " + e.getMessage()); 11790 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 11791 } 11792 } 11793 } 11794 11795 if (installedPkg != null) { 11796 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 11797 // Check for updated system application. 11798 if ((installedPkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 11799 if (onSd) { 11800 Slog.w(TAG, "Cannot install update to system app on sdcard"); 11801 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 11802 } 11803 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 11804 } else { 11805 if (onSd) { 11806 // Install flag overrides everything. 11807 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 11808 } 11809 // If current upgrade specifies particular preference 11810 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 11811 // Application explicitly specified internal. 11812 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 11813 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 11814 // App explictly prefers external. Let policy decide 11815 } else { 11816 // Prefer previous location 11817 if (isExternal(installedPkg)) { 11818 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 11819 } 11820 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 11821 } 11822 } 11823 } else { 11824 // Invalid install. Return error code 11825 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 11826 } 11827 } 11828 } 11829 // All the special cases have been taken care of. 11830 // Return result based on recommended install location. 11831 if (onSd) { 11832 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 11833 } 11834 return pkgLite.recommendedInstallLocation; 11835 } 11836 11837 /* 11838 * Invoke remote method to get package information and install 11839 * location values. Override install location based on default 11840 * policy if needed and then create install arguments based 11841 * on the install location. 11842 */ 11843 public void handleStartCopy() throws RemoteException { 11844 int ret = PackageManager.INSTALL_SUCCEEDED; 11845 11846 // If we're already staged, we've firmly committed to an install location 11847 if (origin.staged) { 11848 if (origin.file != null) { 11849 installFlags |= PackageManager.INSTALL_INTERNAL; 11850 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 11851 } else if (origin.cid != null) { 11852 installFlags |= PackageManager.INSTALL_EXTERNAL; 11853 installFlags &= ~PackageManager.INSTALL_INTERNAL; 11854 } else { 11855 throw new IllegalStateException("Invalid stage location"); 11856 } 11857 } 11858 11859 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 11860 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 11861 final boolean ephemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 11862 PackageInfoLite pkgLite = null; 11863 11864 if (onInt && onSd) { 11865 // Check if both bits are set. 11866 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 11867 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 11868 } else if (onSd && ephemeral) { 11869 Slog.w(TAG, "Conflicting flags specified for installing ephemeral on external"); 11870 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 11871 } else { 11872 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 11873 packageAbiOverride); 11874 11875 if (DEBUG_EPHEMERAL && ephemeral) { 11876 Slog.v(TAG, "pkgLite for install: " + pkgLite); 11877 } 11878 11879 /* 11880 * If we have too little free space, try to free cache 11881 * before giving up. 11882 */ 11883 if (!origin.staged && pkgLite.recommendedInstallLocation 11884 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 11885 // TODO: focus freeing disk space on the target device 11886 final StorageManager storage = StorageManager.from(mContext); 11887 final long lowThreshold = storage.getStorageLowBytes( 11888 Environment.getDataDirectory()); 11889 11890 final long sizeBytes = mContainerService.calculateInstalledSize( 11891 origin.resolvedPath, isForwardLocked(), packageAbiOverride); 11892 11893 try { 11894 mInstaller.freeCache(null, sizeBytes + lowThreshold); 11895 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 11896 installFlags, packageAbiOverride); 11897 } catch (InstallerException e) { 11898 Slog.w(TAG, "Failed to free cache", e); 11899 } 11900 11901 /* 11902 * The cache free must have deleted the file we 11903 * downloaded to install. 11904 * 11905 * TODO: fix the "freeCache" call to not delete 11906 * the file we care about. 11907 */ 11908 if (pkgLite.recommendedInstallLocation 11909 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 11910 pkgLite.recommendedInstallLocation 11911 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 11912 } 11913 } 11914 } 11915 11916 if (ret == PackageManager.INSTALL_SUCCEEDED) { 11917 int loc = pkgLite.recommendedInstallLocation; 11918 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 11919 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 11920 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 11921 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 11922 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 11923 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 11924 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 11925 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 11926 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 11927 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 11928 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 11929 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 11930 } else { 11931 // Override with defaults if needed. 11932 loc = installLocationPolicy(pkgLite); 11933 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 11934 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 11935 } else if (!onSd && !onInt) { 11936 // Override install location with flags 11937 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 11938 // Set the flag to install on external media. 11939 installFlags |= PackageManager.INSTALL_EXTERNAL; 11940 installFlags &= ~PackageManager.INSTALL_INTERNAL; 11941 } else if (loc == PackageHelper.RECOMMEND_INSTALL_EPHEMERAL) { 11942 if (DEBUG_EPHEMERAL) { 11943 Slog.v(TAG, "...setting INSTALL_EPHEMERAL install flag"); 11944 } 11945 installFlags |= PackageManager.INSTALL_EPHEMERAL; 11946 installFlags &= ~(PackageManager.INSTALL_EXTERNAL 11947 |PackageManager.INSTALL_INTERNAL); 11948 } else { 11949 // Make sure the flag for installing on external 11950 // media is unset 11951 installFlags |= PackageManager.INSTALL_INTERNAL; 11952 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 11953 } 11954 } 11955 } 11956 } 11957 11958 final InstallArgs args = createInstallArgs(this); 11959 mArgs = args; 11960 11961 if (ret == PackageManager.INSTALL_SUCCEEDED) { 11962 // TODO: http://b/22976637 11963 // Apps installed for "all" users use the device owner to verify the app 11964 UserHandle verifierUser = getUser(); 11965 if (verifierUser == UserHandle.ALL) { 11966 verifierUser = UserHandle.SYSTEM; 11967 } 11968 11969 /* 11970 * Determine if we have any installed package verifiers. If we 11971 * do, then we'll defer to them to verify the packages. 11972 */ 11973 final int requiredUid = mRequiredVerifierPackage == null ? -1 11974 : getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 11975 verifierUser.getIdentifier()); 11976 if (!origin.existing && requiredUid != -1 11977 && isVerificationEnabled(verifierUser.getIdentifier(), installFlags)) { 11978 final Intent verification = new Intent( 11979 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 11980 verification.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 11981 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 11982 PACKAGE_MIME_TYPE); 11983 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 11984 11985 // Query all live verifiers based on current user state 11986 final List<ResolveInfo> receivers = queryIntentReceiversInternal(verification, 11987 PACKAGE_MIME_TYPE, 0, verifierUser.getIdentifier()); 11988 11989 if (DEBUG_VERIFY) { 11990 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 11991 + verification.toString() + " with " + pkgLite.verifiers.length 11992 + " optional verifiers"); 11993 } 11994 11995 final int verificationId = mPendingVerificationToken++; 11996 11997 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 11998 11999 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 12000 installerPackageName); 12001 12002 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 12003 installFlags); 12004 12005 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 12006 pkgLite.packageName); 12007 12008 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 12009 pkgLite.versionCode); 12010 12011 if (verificationInfo != null) { 12012 if (verificationInfo.originatingUri != null) { 12013 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 12014 verificationInfo.originatingUri); 12015 } 12016 if (verificationInfo.referrer != null) { 12017 verification.putExtra(Intent.EXTRA_REFERRER, 12018 verificationInfo.referrer); 12019 } 12020 if (verificationInfo.originatingUid >= 0) { 12021 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 12022 verificationInfo.originatingUid); 12023 } 12024 if (verificationInfo.installerUid >= 0) { 12025 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 12026 verificationInfo.installerUid); 12027 } 12028 } 12029 12030 final PackageVerificationState verificationState = new PackageVerificationState( 12031 requiredUid, args); 12032 12033 mPendingVerification.append(verificationId, verificationState); 12034 12035 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 12036 receivers, verificationState); 12037 12038 /* 12039 * If any sufficient verifiers were listed in the package 12040 * manifest, attempt to ask them. 12041 */ 12042 if (sufficientVerifiers != null) { 12043 final int N = sufficientVerifiers.size(); 12044 if (N == 0) { 12045 Slog.i(TAG, "Additional verifiers required, but none installed."); 12046 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 12047 } else { 12048 for (int i = 0; i < N; i++) { 12049 final ComponentName verifierComponent = sufficientVerifiers.get(i); 12050 12051 final Intent sufficientIntent = new Intent(verification); 12052 sufficientIntent.setComponent(verifierComponent); 12053 mContext.sendBroadcastAsUser(sufficientIntent, verifierUser); 12054 } 12055 } 12056 } 12057 12058 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 12059 mRequiredVerifierPackage, receivers); 12060 if (ret == PackageManager.INSTALL_SUCCEEDED 12061 && mRequiredVerifierPackage != null) { 12062 Trace.asyncTraceBegin( 12063 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 12064 /* 12065 * Send the intent to the required verification agent, 12066 * but only start the verification timeout after the 12067 * target BroadcastReceivers have run. 12068 */ 12069 verification.setComponent(requiredVerifierComponent); 12070 mContext.sendOrderedBroadcastAsUser(verification, verifierUser, 12071 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 12072 new BroadcastReceiver() { 12073 @Override 12074 public void onReceive(Context context, Intent intent) { 12075 final Message msg = mHandler 12076 .obtainMessage(CHECK_PENDING_VERIFICATION); 12077 msg.arg1 = verificationId; 12078 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 12079 } 12080 }, null, 0, null, null); 12081 12082 /* 12083 * We don't want the copy to proceed until verification 12084 * succeeds, so null out this field. 12085 */ 12086 mArgs = null; 12087 } 12088 } else { 12089 /* 12090 * No package verification is enabled, so immediately start 12091 * the remote call to initiate copy using temporary file. 12092 */ 12093 ret = args.copyApk(mContainerService, true); 12094 } 12095 } 12096 12097 mRet = ret; 12098 } 12099 12100 @Override 12101 void handleReturnCode() { 12102 // If mArgs is null, then MCS couldn't be reached. When it 12103 // reconnects, it will try again to install. At that point, this 12104 // will succeed. 12105 if (mArgs != null) { 12106 processPendingInstall(mArgs, mRet); 12107 } 12108 } 12109 12110 @Override 12111 void handleServiceError() { 12112 mArgs = createInstallArgs(this); 12113 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 12114 } 12115 12116 public boolean isForwardLocked() { 12117 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 12118 } 12119 } 12120 12121 /** 12122 * Used during creation of InstallArgs 12123 * 12124 * @param installFlags package installation flags 12125 * @return true if should be installed on external storage 12126 */ 12127 private static boolean installOnExternalAsec(int installFlags) { 12128 if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) { 12129 return false; 12130 } 12131 if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 12132 return true; 12133 } 12134 return false; 12135 } 12136 12137 /** 12138 * Used during creation of InstallArgs 12139 * 12140 * @param installFlags package installation flags 12141 * @return true if should be installed as forward locked 12142 */ 12143 private static boolean installForwardLocked(int installFlags) { 12144 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 12145 } 12146 12147 private InstallArgs createInstallArgs(InstallParams params) { 12148 if (params.move != null) { 12149 return new MoveInstallArgs(params); 12150 } else if (installOnExternalAsec(params.installFlags) || params.isForwardLocked()) { 12151 return new AsecInstallArgs(params); 12152 } else { 12153 return new FileInstallArgs(params); 12154 } 12155 } 12156 12157 /** 12158 * Create args that describe an existing installed package. Typically used 12159 * when cleaning up old installs, or used as a move source. 12160 */ 12161 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 12162 String resourcePath, String[] instructionSets) { 12163 final boolean isInAsec; 12164 if (installOnExternalAsec(installFlags)) { 12165 /* Apps on SD card are always in ASEC containers. */ 12166 isInAsec = true; 12167 } else if (installForwardLocked(installFlags) 12168 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 12169 /* 12170 * Forward-locked apps are only in ASEC containers if they're the 12171 * new style 12172 */ 12173 isInAsec = true; 12174 } else { 12175 isInAsec = false; 12176 } 12177 12178 if (isInAsec) { 12179 return new AsecInstallArgs(codePath, instructionSets, 12180 installOnExternalAsec(installFlags), installForwardLocked(installFlags)); 12181 } else { 12182 return new FileInstallArgs(codePath, resourcePath, instructionSets); 12183 } 12184 } 12185 12186 static abstract class InstallArgs { 12187 /** @see InstallParams#origin */ 12188 final OriginInfo origin; 12189 /** @see InstallParams#move */ 12190 final MoveInfo move; 12191 12192 final IPackageInstallObserver2 observer; 12193 // Always refers to PackageManager flags only 12194 final int installFlags; 12195 final String installerPackageName; 12196 final String volumeUuid; 12197 final UserHandle user; 12198 final String abiOverride; 12199 final String[] installGrantPermissions; 12200 /** If non-null, drop an async trace when the install completes */ 12201 final String traceMethod; 12202 final int traceCookie; 12203 12204 // The list of instruction sets supported by this app. This is currently 12205 // only used during the rmdex() phase to clean up resources. We can get rid of this 12206 // if we move dex files under the common app path. 12207 /* nullable */ String[] instructionSets; 12208 12209 InstallArgs(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 12210 int installFlags, String installerPackageName, String volumeUuid, 12211 UserHandle user, String[] instructionSets, 12212 String abiOverride, String[] installGrantPermissions, 12213 String traceMethod, int traceCookie) { 12214 this.origin = origin; 12215 this.move = move; 12216 this.installFlags = installFlags; 12217 this.observer = observer; 12218 this.installerPackageName = installerPackageName; 12219 this.volumeUuid = volumeUuid; 12220 this.user = user; 12221 this.instructionSets = instructionSets; 12222 this.abiOverride = abiOverride; 12223 this.installGrantPermissions = installGrantPermissions; 12224 this.traceMethod = traceMethod; 12225 this.traceCookie = traceCookie; 12226 } 12227 12228 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 12229 abstract int doPreInstall(int status); 12230 12231 /** 12232 * Rename package into final resting place. All paths on the given 12233 * scanned package should be updated to reflect the rename. 12234 */ 12235 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 12236 abstract int doPostInstall(int status, int uid); 12237 12238 /** @see PackageSettingBase#codePathString */ 12239 abstract String getCodePath(); 12240 /** @see PackageSettingBase#resourcePathString */ 12241 abstract String getResourcePath(); 12242 12243 // Need installer lock especially for dex file removal. 12244 abstract void cleanUpResourcesLI(); 12245 abstract boolean doPostDeleteLI(boolean delete); 12246 12247 /** 12248 * Called before the source arguments are copied. This is used mostly 12249 * for MoveParams when it needs to read the source file to put it in the 12250 * destination. 12251 */ 12252 int doPreCopy() { 12253 return PackageManager.INSTALL_SUCCEEDED; 12254 } 12255 12256 /** 12257 * Called after the source arguments are copied. This is used mostly for 12258 * MoveParams when it needs to read the source file to put it in the 12259 * destination. 12260 * 12261 * @return 12262 */ 12263 int doPostCopy(int uid) { 12264 return PackageManager.INSTALL_SUCCEEDED; 12265 } 12266 12267 protected boolean isFwdLocked() { 12268 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 12269 } 12270 12271 protected boolean isExternalAsec() { 12272 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 12273 } 12274 12275 protected boolean isEphemeral() { 12276 return (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 12277 } 12278 12279 UserHandle getUser() { 12280 return user; 12281 } 12282 } 12283 12284 private void removeDexFiles(List<String> allCodePaths, String[] instructionSets) { 12285 if (!allCodePaths.isEmpty()) { 12286 if (instructionSets == null) { 12287 throw new IllegalStateException("instructionSet == null"); 12288 } 12289 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 12290 for (String codePath : allCodePaths) { 12291 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 12292 try { 12293 mInstaller.rmdex(codePath, dexCodeInstructionSet); 12294 } catch (InstallerException ignored) { 12295 } 12296 } 12297 } 12298 } 12299 } 12300 12301 /** 12302 * Logic to handle installation of non-ASEC applications, including copying 12303 * and renaming logic. 12304 */ 12305 class FileInstallArgs extends InstallArgs { 12306 private File codeFile; 12307 private File resourceFile; 12308 12309 // Example topology: 12310 // /data/app/com.example/base.apk 12311 // /data/app/com.example/split_foo.apk 12312 // /data/app/com.example/lib/arm/libfoo.so 12313 // /data/app/com.example/lib/arm64/libfoo.so 12314 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 12315 12316 /** New install */ 12317 FileInstallArgs(InstallParams params) { 12318 super(params.origin, params.move, params.observer, params.installFlags, 12319 params.installerPackageName, params.volumeUuid, 12320 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 12321 params.grantedRuntimePermissions, 12322 params.traceMethod, params.traceCookie); 12323 if (isFwdLocked()) { 12324 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 12325 } 12326 } 12327 12328 /** Existing install */ 12329 FileInstallArgs(String codePath, String resourcePath, String[] instructionSets) { 12330 super(OriginInfo.fromNothing(), null, null, 0, null, null, null, instructionSets, 12331 null, null, null, 0); 12332 this.codeFile = (codePath != null) ? new File(codePath) : null; 12333 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 12334 } 12335 12336 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 12337 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyApk"); 12338 try { 12339 return doCopyApk(imcs, temp); 12340 } finally { 12341 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 12342 } 12343 } 12344 12345 private int doCopyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 12346 if (origin.staged) { 12347 if (DEBUG_INSTALL) Slog.d(TAG, origin.file + " already staged; skipping copy"); 12348 codeFile = origin.file; 12349 resourceFile = origin.file; 12350 return PackageManager.INSTALL_SUCCEEDED; 12351 } 12352 12353 try { 12354 final boolean isEphemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 12355 final File tempDir = 12356 mInstallerService.allocateStageDirLegacy(volumeUuid, isEphemeral); 12357 codeFile = tempDir; 12358 resourceFile = tempDir; 12359 } catch (IOException e) { 12360 Slog.w(TAG, "Failed to create copy file: " + e); 12361 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 12362 } 12363 12364 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 12365 @Override 12366 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 12367 if (!FileUtils.isValidExtFilename(name)) { 12368 throw new IllegalArgumentException("Invalid filename: " + name); 12369 } 12370 try { 12371 final File file = new File(codeFile, name); 12372 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 12373 O_RDWR | O_CREAT, 0644); 12374 Os.chmod(file.getAbsolutePath(), 0644); 12375 return new ParcelFileDescriptor(fd); 12376 } catch (ErrnoException e) { 12377 throw new RemoteException("Failed to open: " + e.getMessage()); 12378 } 12379 } 12380 }; 12381 12382 int ret = PackageManager.INSTALL_SUCCEEDED; 12383 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 12384 if (ret != PackageManager.INSTALL_SUCCEEDED) { 12385 Slog.e(TAG, "Failed to copy package"); 12386 return ret; 12387 } 12388 12389 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 12390 NativeLibraryHelper.Handle handle = null; 12391 try { 12392 handle = NativeLibraryHelper.Handle.create(codeFile); 12393 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 12394 abiOverride); 12395 } catch (IOException e) { 12396 Slog.e(TAG, "Copying native libraries failed", e); 12397 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 12398 } finally { 12399 IoUtils.closeQuietly(handle); 12400 } 12401 12402 return ret; 12403 } 12404 12405 int doPreInstall(int status) { 12406 if (status != PackageManager.INSTALL_SUCCEEDED) { 12407 cleanUp(); 12408 } 12409 return status; 12410 } 12411 12412 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 12413 if (status != PackageManager.INSTALL_SUCCEEDED) { 12414 cleanUp(); 12415 return false; 12416 } 12417 12418 final File targetDir = codeFile.getParentFile(); 12419 final File beforeCodeFile = codeFile; 12420 final File afterCodeFile = getNextCodePath(targetDir, pkg.packageName); 12421 12422 if (DEBUG_INSTALL) Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 12423 try { 12424 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 12425 } catch (ErrnoException e) { 12426 Slog.w(TAG, "Failed to rename", e); 12427 return false; 12428 } 12429 12430 if (!SELinux.restoreconRecursive(afterCodeFile)) { 12431 Slog.w(TAG, "Failed to restorecon"); 12432 return false; 12433 } 12434 12435 // Reflect the rename internally 12436 codeFile = afterCodeFile; 12437 resourceFile = afterCodeFile; 12438 12439 // Reflect the rename in scanned details 12440 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 12441 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 12442 afterCodeFile, pkg.baseCodePath)); 12443 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 12444 afterCodeFile, pkg.splitCodePaths)); 12445 12446 // Reflect the rename in app info 12447 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 12448 pkg.setApplicationInfoCodePath(pkg.codePath); 12449 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 12450 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 12451 pkg.setApplicationInfoResourcePath(pkg.codePath); 12452 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 12453 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 12454 12455 return true; 12456 } 12457 12458 int doPostInstall(int status, int uid) { 12459 if (status != PackageManager.INSTALL_SUCCEEDED) { 12460 cleanUp(); 12461 } 12462 return status; 12463 } 12464 12465 @Override 12466 String getCodePath() { 12467 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 12468 } 12469 12470 @Override 12471 String getResourcePath() { 12472 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 12473 } 12474 12475 private boolean cleanUp() { 12476 if (codeFile == null || !codeFile.exists()) { 12477 return false; 12478 } 12479 12480 removeCodePathLI(codeFile); 12481 12482 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 12483 resourceFile.delete(); 12484 } 12485 12486 return true; 12487 } 12488 12489 void cleanUpResourcesLI() { 12490 // Try enumerating all code paths before deleting 12491 List<String> allCodePaths = Collections.EMPTY_LIST; 12492 if (codeFile != null && codeFile.exists()) { 12493 try { 12494 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 12495 allCodePaths = pkg.getAllCodePaths(); 12496 } catch (PackageParserException e) { 12497 // Ignored; we tried our best 12498 } 12499 } 12500 12501 cleanUp(); 12502 removeDexFiles(allCodePaths, instructionSets); 12503 } 12504 12505 boolean doPostDeleteLI(boolean delete) { 12506 // XXX err, shouldn't we respect the delete flag? 12507 cleanUpResourcesLI(); 12508 return true; 12509 } 12510 } 12511 12512 private boolean isAsecExternal(String cid) { 12513 final String asecPath = PackageHelper.getSdFilesystem(cid); 12514 return !asecPath.startsWith(mAsecInternalPath); 12515 } 12516 12517 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 12518 PackageManagerException { 12519 if (copyRet < 0) { 12520 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 12521 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 12522 throw new PackageManagerException(copyRet, message); 12523 } 12524 } 12525 } 12526 12527 /** 12528 * Extract the MountService "container ID" from the full code path of an 12529 * .apk. 12530 */ 12531 static String cidFromCodePath(String fullCodePath) { 12532 int eidx = fullCodePath.lastIndexOf("/"); 12533 String subStr1 = fullCodePath.substring(0, eidx); 12534 int sidx = subStr1.lastIndexOf("/"); 12535 return subStr1.substring(sidx+1, eidx); 12536 } 12537 12538 /** 12539 * Logic to handle installation of ASEC applications, including copying and 12540 * renaming logic. 12541 */ 12542 class AsecInstallArgs extends InstallArgs { 12543 static final String RES_FILE_NAME = "pkg.apk"; 12544 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 12545 12546 String cid; 12547 String packagePath; 12548 String resourcePath; 12549 12550 /** New install */ 12551 AsecInstallArgs(InstallParams params) { 12552 super(params.origin, params.move, params.observer, params.installFlags, 12553 params.installerPackageName, params.volumeUuid, 12554 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 12555 params.grantedRuntimePermissions, 12556 params.traceMethod, params.traceCookie); 12557 } 12558 12559 /** Existing install */ 12560 AsecInstallArgs(String fullCodePath, String[] instructionSets, 12561 boolean isExternal, boolean isForwardLocked) { 12562 super(OriginInfo.fromNothing(), null, null, (isExternal ? INSTALL_EXTERNAL : 0) 12563 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 12564 instructionSets, null, null, null, 0); 12565 // Hackily pretend we're still looking at a full code path 12566 if (!fullCodePath.endsWith(RES_FILE_NAME)) { 12567 fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath(); 12568 } 12569 12570 // Extract cid from fullCodePath 12571 int eidx = fullCodePath.lastIndexOf("/"); 12572 String subStr1 = fullCodePath.substring(0, eidx); 12573 int sidx = subStr1.lastIndexOf("/"); 12574 cid = subStr1.substring(sidx+1, eidx); 12575 setMountPath(subStr1); 12576 } 12577 12578 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) { 12579 super(OriginInfo.fromNothing(), null, null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 12580 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 12581 instructionSets, null, null, null, 0); 12582 this.cid = cid; 12583 setMountPath(PackageHelper.getSdDir(cid)); 12584 } 12585 12586 void createCopyFile() { 12587 cid = mInstallerService.allocateExternalStageCidLegacy(); 12588 } 12589 12590 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 12591 if (origin.staged && origin.cid != null) { 12592 if (DEBUG_INSTALL) Slog.d(TAG, origin.cid + " already staged; skipping copy"); 12593 cid = origin.cid; 12594 setMountPath(PackageHelper.getSdDir(cid)); 12595 return PackageManager.INSTALL_SUCCEEDED; 12596 } 12597 12598 if (temp) { 12599 createCopyFile(); 12600 } else { 12601 /* 12602 * Pre-emptively destroy the container since it's destroyed if 12603 * copying fails due to it existing anyway. 12604 */ 12605 PackageHelper.destroySdDir(cid); 12606 } 12607 12608 final String newMountPath = imcs.copyPackageToContainer( 12609 origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternalAsec(), 12610 isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */)); 12611 12612 if (newMountPath != null) { 12613 setMountPath(newMountPath); 12614 return PackageManager.INSTALL_SUCCEEDED; 12615 } else { 12616 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 12617 } 12618 } 12619 12620 @Override 12621 String getCodePath() { 12622 return packagePath; 12623 } 12624 12625 @Override 12626 String getResourcePath() { 12627 return resourcePath; 12628 } 12629 12630 int doPreInstall(int status) { 12631 if (status != PackageManager.INSTALL_SUCCEEDED) { 12632 // Destroy container 12633 PackageHelper.destroySdDir(cid); 12634 } else { 12635 boolean mounted = PackageHelper.isContainerMounted(cid); 12636 if (!mounted) { 12637 String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(), 12638 Process.SYSTEM_UID); 12639 if (newMountPath != null) { 12640 setMountPath(newMountPath); 12641 } else { 12642 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 12643 } 12644 } 12645 } 12646 return status; 12647 } 12648 12649 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 12650 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 12651 String newMountPath = null; 12652 if (PackageHelper.isContainerMounted(cid)) { 12653 // Unmount the container 12654 if (!PackageHelper.unMountSdDir(cid)) { 12655 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 12656 return false; 12657 } 12658 } 12659 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 12660 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 12661 " which might be stale. Will try to clean up."); 12662 // Clean up the stale container and proceed to recreate. 12663 if (!PackageHelper.destroySdDir(newCacheId)) { 12664 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 12665 return false; 12666 } 12667 // Successfully cleaned up stale container. Try to rename again. 12668 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 12669 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 12670 + " inspite of cleaning it up."); 12671 return false; 12672 } 12673 } 12674 if (!PackageHelper.isContainerMounted(newCacheId)) { 12675 Slog.w(TAG, "Mounting container " + newCacheId); 12676 newMountPath = PackageHelper.mountSdDir(newCacheId, 12677 getEncryptKey(), Process.SYSTEM_UID); 12678 } else { 12679 newMountPath = PackageHelper.getSdDir(newCacheId); 12680 } 12681 if (newMountPath == null) { 12682 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 12683 return false; 12684 } 12685 Log.i(TAG, "Succesfully renamed " + cid + 12686 " to " + newCacheId + 12687 " at new path: " + newMountPath); 12688 cid = newCacheId; 12689 12690 final File beforeCodeFile = new File(packagePath); 12691 setMountPath(newMountPath); 12692 final File afterCodeFile = new File(packagePath); 12693 12694 // Reflect the rename in scanned details 12695 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 12696 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 12697 afterCodeFile, pkg.baseCodePath)); 12698 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 12699 afterCodeFile, pkg.splitCodePaths)); 12700 12701 // Reflect the rename in app info 12702 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 12703 pkg.setApplicationInfoCodePath(pkg.codePath); 12704 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 12705 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 12706 pkg.setApplicationInfoResourcePath(pkg.codePath); 12707 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 12708 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 12709 12710 return true; 12711 } 12712 12713 private void setMountPath(String mountPath) { 12714 final File mountFile = new File(mountPath); 12715 12716 final File monolithicFile = new File(mountFile, RES_FILE_NAME); 12717 if (monolithicFile.exists()) { 12718 packagePath = monolithicFile.getAbsolutePath(); 12719 if (isFwdLocked()) { 12720 resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath(); 12721 } else { 12722 resourcePath = packagePath; 12723 } 12724 } else { 12725 packagePath = mountFile.getAbsolutePath(); 12726 resourcePath = packagePath; 12727 } 12728 } 12729 12730 int doPostInstall(int status, int uid) { 12731 if (status != PackageManager.INSTALL_SUCCEEDED) { 12732 cleanUp(); 12733 } else { 12734 final int groupOwner; 12735 final String protectedFile; 12736 if (isFwdLocked()) { 12737 groupOwner = UserHandle.getSharedAppGid(uid); 12738 protectedFile = RES_FILE_NAME; 12739 } else { 12740 groupOwner = -1; 12741 protectedFile = null; 12742 } 12743 12744 if (uid < Process.FIRST_APPLICATION_UID 12745 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 12746 Slog.e(TAG, "Failed to finalize " + cid); 12747 PackageHelper.destroySdDir(cid); 12748 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 12749 } 12750 12751 boolean mounted = PackageHelper.isContainerMounted(cid); 12752 if (!mounted) { 12753 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 12754 } 12755 } 12756 return status; 12757 } 12758 12759 private void cleanUp() { 12760 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 12761 12762 // Destroy secure container 12763 PackageHelper.destroySdDir(cid); 12764 } 12765 12766 private List<String> getAllCodePaths() { 12767 final File codeFile = new File(getCodePath()); 12768 if (codeFile != null && codeFile.exists()) { 12769 try { 12770 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 12771 return pkg.getAllCodePaths(); 12772 } catch (PackageParserException e) { 12773 // Ignored; we tried our best 12774 } 12775 } 12776 return Collections.EMPTY_LIST; 12777 } 12778 12779 void cleanUpResourcesLI() { 12780 // Enumerate all code paths before deleting 12781 cleanUpResourcesLI(getAllCodePaths()); 12782 } 12783 12784 private void cleanUpResourcesLI(List<String> allCodePaths) { 12785 cleanUp(); 12786 removeDexFiles(allCodePaths, instructionSets); 12787 } 12788 12789 String getPackageName() { 12790 return getAsecPackageName(cid); 12791 } 12792 12793 boolean doPostDeleteLI(boolean delete) { 12794 if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete); 12795 final List<String> allCodePaths = getAllCodePaths(); 12796 boolean mounted = PackageHelper.isContainerMounted(cid); 12797 if (mounted) { 12798 // Unmount first 12799 if (PackageHelper.unMountSdDir(cid)) { 12800 mounted = false; 12801 } 12802 } 12803 if (!mounted && delete) { 12804 cleanUpResourcesLI(allCodePaths); 12805 } 12806 return !mounted; 12807 } 12808 12809 @Override 12810 int doPreCopy() { 12811 if (isFwdLocked()) { 12812 if (!PackageHelper.fixSdPermissions(cid, getPackageUid(DEFAULT_CONTAINER_PACKAGE, 12813 MATCH_SYSTEM_ONLY, UserHandle.USER_SYSTEM), RES_FILE_NAME)) { 12814 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 12815 } 12816 } 12817 12818 return PackageManager.INSTALL_SUCCEEDED; 12819 } 12820 12821 @Override 12822 int doPostCopy(int uid) { 12823 if (isFwdLocked()) { 12824 if (uid < Process.FIRST_APPLICATION_UID 12825 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 12826 RES_FILE_NAME)) { 12827 Slog.e(TAG, "Failed to finalize " + cid); 12828 PackageHelper.destroySdDir(cid); 12829 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 12830 } 12831 } 12832 12833 return PackageManager.INSTALL_SUCCEEDED; 12834 } 12835 } 12836 12837 /** 12838 * Logic to handle movement of existing installed applications. 12839 */ 12840 class MoveInstallArgs extends InstallArgs { 12841 private File codeFile; 12842 private File resourceFile; 12843 12844 /** New install */ 12845 MoveInstallArgs(InstallParams params) { 12846 super(params.origin, params.move, params.observer, params.installFlags, 12847 params.installerPackageName, params.volumeUuid, 12848 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 12849 params.grantedRuntimePermissions, 12850 params.traceMethod, params.traceCookie); 12851 } 12852 12853 int copyApk(IMediaContainerService imcs, boolean temp) { 12854 if (DEBUG_INSTALL) Slog.d(TAG, "Moving " + move.packageName + " from " 12855 + move.fromUuid + " to " + move.toUuid); 12856 synchronized (mInstaller) { 12857 try { 12858 mInstaller.moveCompleteApp(move.fromUuid, move.toUuid, move.packageName, 12859 move.dataAppName, move.appId, move.seinfo, move.targetSdkVersion); 12860 } catch (InstallerException e) { 12861 Slog.w(TAG, "Failed to move app", e); 12862 return PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 12863 } 12864 } 12865 12866 codeFile = new File(Environment.getDataAppDirectory(move.toUuid), move.dataAppName); 12867 resourceFile = codeFile; 12868 if (DEBUG_INSTALL) Slog.d(TAG, "codeFile after move is " + codeFile); 12869 12870 return PackageManager.INSTALL_SUCCEEDED; 12871 } 12872 12873 int doPreInstall(int status) { 12874 if (status != PackageManager.INSTALL_SUCCEEDED) { 12875 cleanUp(move.toUuid); 12876 } 12877 return status; 12878 } 12879 12880 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 12881 if (status != PackageManager.INSTALL_SUCCEEDED) { 12882 cleanUp(move.toUuid); 12883 return false; 12884 } 12885 12886 // Reflect the move in app info 12887 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 12888 pkg.setApplicationInfoCodePath(pkg.codePath); 12889 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 12890 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 12891 pkg.setApplicationInfoResourcePath(pkg.codePath); 12892 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 12893 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 12894 12895 return true; 12896 } 12897 12898 int doPostInstall(int status, int uid) { 12899 if (status == PackageManager.INSTALL_SUCCEEDED) { 12900 cleanUp(move.fromUuid); 12901 } else { 12902 cleanUp(move.toUuid); 12903 } 12904 return status; 12905 } 12906 12907 @Override 12908 String getCodePath() { 12909 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 12910 } 12911 12912 @Override 12913 String getResourcePath() { 12914 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 12915 } 12916 12917 private boolean cleanUp(String volumeUuid) { 12918 final File codeFile = new File(Environment.getDataAppDirectory(volumeUuid), 12919 move.dataAppName); 12920 Slog.d(TAG, "Cleaning up " + move.packageName + " on " + volumeUuid); 12921 synchronized (mInstallLock) { 12922 // Clean up both app data and code 12923 removeDataDirsLI(volumeUuid, move.packageName); 12924 removeCodePathLI(codeFile); 12925 } 12926 return true; 12927 } 12928 12929 void cleanUpResourcesLI() { 12930 throw new UnsupportedOperationException(); 12931 } 12932 12933 boolean doPostDeleteLI(boolean delete) { 12934 throw new UnsupportedOperationException(); 12935 } 12936 } 12937 12938 static String getAsecPackageName(String packageCid) { 12939 int idx = packageCid.lastIndexOf("-"); 12940 if (idx == -1) { 12941 return packageCid; 12942 } 12943 return packageCid.substring(0, idx); 12944 } 12945 12946 // Utility method used to create code paths based on package name and available index. 12947 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 12948 String idxStr = ""; 12949 int idx = 1; 12950 // Fall back to default value of idx=1 if prefix is not 12951 // part of oldCodePath 12952 if (oldCodePath != null) { 12953 String subStr = oldCodePath; 12954 // Drop the suffix right away 12955 if (suffix != null && subStr.endsWith(suffix)) { 12956 subStr = subStr.substring(0, subStr.length() - suffix.length()); 12957 } 12958 // If oldCodePath already contains prefix find out the 12959 // ending index to either increment or decrement. 12960 int sidx = subStr.lastIndexOf(prefix); 12961 if (sidx != -1) { 12962 subStr = subStr.substring(sidx + prefix.length()); 12963 if (subStr != null) { 12964 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 12965 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 12966 } 12967 try { 12968 idx = Integer.parseInt(subStr); 12969 if (idx <= 1) { 12970 idx++; 12971 } else { 12972 idx--; 12973 } 12974 } catch(NumberFormatException e) { 12975 } 12976 } 12977 } 12978 } 12979 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 12980 return prefix + idxStr; 12981 } 12982 12983 private File getNextCodePath(File targetDir, String packageName) { 12984 int suffix = 1; 12985 File result; 12986 do { 12987 result = new File(targetDir, packageName + "-" + suffix); 12988 suffix++; 12989 } while (result.exists()); 12990 return result; 12991 } 12992 12993 // Utility method that returns the relative package path with respect 12994 // to the installation directory. Like say for /data/data/com.test-1.apk 12995 // string com.test-1 is returned. 12996 static String deriveCodePathName(String codePath) { 12997 if (codePath == null) { 12998 return null; 12999 } 13000 final File codeFile = new File(codePath); 13001 final String name = codeFile.getName(); 13002 if (codeFile.isDirectory()) { 13003 return name; 13004 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 13005 final int lastDot = name.lastIndexOf('.'); 13006 return name.substring(0, lastDot); 13007 } else { 13008 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 13009 return null; 13010 } 13011 } 13012 13013 static class PackageInstalledInfo { 13014 String name; 13015 int uid; 13016 // The set of users that originally had this package installed. 13017 int[] origUsers; 13018 // The set of users that now have this package installed. 13019 int[] newUsers; 13020 PackageParser.Package pkg; 13021 int returnCode; 13022 String returnMsg; 13023 PackageRemovedInfo removedInfo; 13024 ArrayMap<String, PackageInstalledInfo> addedChildPackages; 13025 13026 public void setError(int code, String msg) { 13027 setReturnCode(code); 13028 setReturnMessage(msg); 13029 Slog.w(TAG, msg); 13030 } 13031 13032 public void setError(String msg, PackageParserException e) { 13033 setReturnCode(e.error); 13034 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 13035 Slog.w(TAG, msg, e); 13036 } 13037 13038 public void setError(String msg, PackageManagerException e) { 13039 returnCode = e.error; 13040 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 13041 Slog.w(TAG, msg, e); 13042 } 13043 13044 public void setReturnCode(int returnCode) { 13045 this.returnCode = returnCode; 13046 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 13047 for (int i = 0; i < childCount; i++) { 13048 addedChildPackages.valueAt(i).returnCode = returnCode; 13049 } 13050 } 13051 13052 private void setReturnMessage(String returnMsg) { 13053 this.returnMsg = returnMsg; 13054 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 13055 for (int i = 0; i < childCount; i++) { 13056 addedChildPackages.valueAt(i).returnMsg = returnMsg; 13057 } 13058 } 13059 13060 // In some error cases we want to convey more info back to the observer 13061 String origPackage; 13062 String origPermission; 13063 } 13064 13065 /* 13066 * Install a non-existing package. 13067 */ 13068 private void installNewPackageLI(PackageParser.Package pkg, int parseFlags, int scanFlags, 13069 UserHandle user, String installerPackageName, String volumeUuid, 13070 PackageInstalledInfo res) { 13071 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installNewPackage"); 13072 13073 // Remember this for later, in case we need to rollback this install 13074 String pkgName = pkg.packageName; 13075 13076 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 13077 13078 synchronized(mPackages) { 13079 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 13080 // A package with the same name is already installed, though 13081 // it has been renamed to an older name. The package we 13082 // are trying to install should be installed as an update to 13083 // the existing one, but that has not been requested, so bail. 13084 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 13085 + " without first uninstalling package running as " 13086 + mSettings.mRenamedPackages.get(pkgName)); 13087 return; 13088 } 13089 if (mPackages.containsKey(pkgName)) { 13090 // Don't allow installation over an existing package with the same name. 13091 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 13092 + " without first uninstalling."); 13093 return; 13094 } 13095 } 13096 13097 try { 13098 PackageParser.Package newPackage = scanPackageTracedLI(pkg, parseFlags, scanFlags, 13099 System.currentTimeMillis(), user); 13100 13101 updateSettingsLI(newPackage, installerPackageName, null, res, user); 13102 13103 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 13104 prepareAppDataAfterInstall(newPackage); 13105 13106 } else { 13107 // Remove package from internal structures, but keep around any 13108 // data that might have already existed 13109 deletePackageLI(pkgName, UserHandle.ALL, false, null, 13110 PackageManager.DELETE_KEEP_DATA, res.removedInfo, true, null); 13111 } 13112 } catch (PackageManagerException e) { 13113 res.setError("Package couldn't be installed in " + pkg.codePath, e); 13114 } 13115 13116 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13117 } 13118 13119 private boolean shouldCheckUpgradeKeySetLP(PackageSetting oldPs, int scanFlags) { 13120 // Can't rotate keys during boot or if sharedUser. 13121 if (oldPs == null || (scanFlags&SCAN_INITIAL) != 0 || oldPs.sharedUser != null 13122 || !oldPs.keySetData.isUsingUpgradeKeySets()) { 13123 return false; 13124 } 13125 // app is using upgradeKeySets; make sure all are valid 13126 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13127 long[] upgradeKeySets = oldPs.keySetData.getUpgradeKeySets(); 13128 for (int i = 0; i < upgradeKeySets.length; i++) { 13129 if (!ksms.isIdValidKeySetId(upgradeKeySets[i])) { 13130 Slog.wtf(TAG, "Package " 13131 + (oldPs.name != null ? oldPs.name : "<null>") 13132 + " contains upgrade-key-set reference to unknown key-set: " 13133 + upgradeKeySets[i] 13134 + " reverting to signatures check."); 13135 return false; 13136 } 13137 } 13138 return true; 13139 } 13140 13141 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 13142 // Upgrade keysets are being used. Determine if new package has a superset of the 13143 // required keys. 13144 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 13145 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13146 for (int i = 0; i < upgradeKeySets.length; i++) { 13147 Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); 13148 if (upgradeSet != null && newPkg.mSigningKeys.containsAll(upgradeSet)) { 13149 return true; 13150 } 13151 } 13152 return false; 13153 } 13154 13155 private void replacePackageLI(PackageParser.Package pkg, int parseFlags, int scanFlags, 13156 UserHandle user, String installerPackageName, PackageInstalledInfo res) { 13157 final boolean isEphemeral = (parseFlags & PackageParser.PARSE_IS_EPHEMERAL) != 0; 13158 13159 final PackageParser.Package oldPackage; 13160 final String pkgName = pkg.packageName; 13161 final int[] allUsers; 13162 final boolean weFroze; 13163 13164 // First find the old package info and check signatures 13165 synchronized(mPackages) { 13166 oldPackage = mPackages.get(pkgName); 13167 final boolean oldIsEphemeral = oldPackage.applicationInfo.isEphemeralApp(); 13168 if (isEphemeral && !oldIsEphemeral) { 13169 // can't downgrade from full to ephemeral 13170 Slog.w(TAG, "Can't replace app with ephemeral: " + pkgName); 13171 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 13172 return; 13173 } 13174 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 13175 final PackageSetting ps = mSettings.mPackages.get(pkgName); 13176 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 13177 if (!checkUpgradeKeySetLP(ps, pkg)) { 13178 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 13179 "New package not signed by keys specified by upgrade-keysets: " 13180 + pkgName); 13181 return; 13182 } 13183 } else { 13184 // default to original signature matching 13185 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 13186 != PackageManager.SIGNATURE_MATCH) { 13187 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 13188 "New package has a different signature: " + pkgName); 13189 return; 13190 } 13191 } 13192 13193 // In case of rollback, remember per-user/profile install state 13194 allUsers = sUserManager.getUserIds(); 13195 13196 // Mark the app as frozen to prevent launching during the upgrade 13197 // process, and then kill all running instances 13198 if (!ps.frozen) { 13199 ps.frozen = true; 13200 weFroze = true; 13201 } else { 13202 weFroze = false; 13203 } 13204 } 13205 13206 try { 13207 replacePackageDirtyLI(pkg, oldPackage, parseFlags, scanFlags, user, allUsers, 13208 installerPackageName, res); 13209 } finally { 13210 // Regardless of success or failure of upgrade steps above, always 13211 // unfreeze the package if we froze it 13212 if (weFroze) { 13213 unfreezePackage(pkgName); 13214 } 13215 } 13216 } 13217 13218 private void replacePackageDirtyLI(PackageParser.Package pkg, PackageParser.Package oldPackage, 13219 int parseFlags, int scanFlags, UserHandle user, int[] allUsers, 13220 String installerPackageName, PackageInstalledInfo res) { 13221 // Update what is removed 13222 res.removedInfo = new PackageRemovedInfo(); 13223 res.removedInfo.uid = oldPackage.applicationInfo.uid; 13224 res.removedInfo.removedPackage = oldPackage.packageName; 13225 res.removedInfo.isUpdate = true; 13226 final int childCount = (oldPackage.childPackages != null) 13227 ? oldPackage.childPackages.size() : 0; 13228 for (int i = 0; i < childCount; i++) { 13229 boolean childPackageUpdated = false; 13230 PackageParser.Package childPkg = oldPackage.childPackages.get(i); 13231 if (res.addedChildPackages != null) { 13232 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 13233 if (childRes != null) { 13234 childRes.removedInfo.uid = childPkg.applicationInfo.uid; 13235 childRes.removedInfo.removedPackage = childPkg.packageName; 13236 childRes.removedInfo.isUpdate = true; 13237 childPackageUpdated = true; 13238 } 13239 } 13240 if (!childPackageUpdated) { 13241 PackageRemovedInfo childRemovedRes = new PackageRemovedInfo(); 13242 childRemovedRes.removedPackage = childPkg.packageName; 13243 childRemovedRes.isUpdate = false; 13244 childRemovedRes.dataRemoved = true; 13245 synchronized (mPackages) { 13246 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 13247 if (childPs != null) { 13248 childRemovedRes.origUsers = childPs.queryInstalledUsers(allUsers, true); 13249 } 13250 } 13251 if (res.removedInfo.removedChildPackages == null) { 13252 res.removedInfo.removedChildPackages = new ArrayMap<>(); 13253 } 13254 res.removedInfo.removedChildPackages.put(childPkg.packageName, childRemovedRes); 13255 } 13256 } 13257 13258 boolean sysPkg = (isSystemApp(oldPackage)); 13259 if (sysPkg) { 13260 replaceSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags, 13261 user, allUsers, installerPackageName, res); 13262 } else { 13263 replaceNonSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags, 13264 user, allUsers, installerPackageName, res); 13265 } 13266 } 13267 13268 public List<String> getPreviousCodePaths(String packageName) { 13269 final PackageSetting ps = mSettings.mPackages.get(packageName); 13270 final List<String> result = new ArrayList<String>(); 13271 if (ps != null && ps.oldCodePaths != null) { 13272 result.addAll(ps.oldCodePaths); 13273 } 13274 return result; 13275 } 13276 13277 private void replaceNonSystemPackageLI(PackageParser.Package deletedPackage, 13278 PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user, 13279 int[] allUsers, String installerPackageName, PackageInstalledInfo res) { 13280 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 13281 + deletedPackage); 13282 13283 String pkgName = deletedPackage.packageName; 13284 boolean deletedPkg = true; 13285 boolean addedPkg = false; 13286 boolean updatedSettings = false; 13287 final boolean killApp = (scanFlags & SCAN_DONT_KILL_APP) == 0; 13288 final int deleteFlags = PackageManager.DELETE_KEEP_DATA 13289 | (killApp ? 0 : PackageManager.DELETE_DONT_KILL_APP); 13290 13291 final long origUpdateTime = (pkg.mExtras != null) 13292 ? ((PackageSetting)pkg.mExtras).lastUpdateTime : 0; 13293 13294 // First delete the existing package while retaining the data directory 13295 if (!deletePackageLI(pkgName, null, true, allUsers, deleteFlags, 13296 res.removedInfo, true, pkg)) { 13297 // If the existing package wasn't successfully deleted 13298 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 13299 deletedPkg = false; 13300 } else { 13301 // Successfully deleted the old package; proceed with replace. 13302 13303 // If deleted package lived in a container, give users a chance to 13304 // relinquish resources before killing. 13305 if (deletedPackage.isForwardLocked() || isExternal(deletedPackage)) { 13306 if (DEBUG_INSTALL) { 13307 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 13308 } 13309 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 13310 final ArrayList<String> pkgList = new ArrayList<String>(1); 13311 pkgList.add(deletedPackage.applicationInfo.packageName); 13312 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 13313 } 13314 13315 deleteCodeCacheDirsLI(pkg); 13316 deleteProfilesLI(pkg, /*destroy*/ false); 13317 13318 try { 13319 final PackageParser.Package newPackage = scanPackageTracedLI(pkg, parseFlags, 13320 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 13321 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user); 13322 13323 // Update the in-memory copy of the previous code paths. 13324 PackageSetting ps = mSettings.mPackages.get(pkgName); 13325 if (!killApp) { 13326 if (ps.oldCodePaths == null) { 13327 ps.oldCodePaths = new ArraySet<>(); 13328 } 13329 Collections.addAll(ps.oldCodePaths, deletedPackage.baseCodePath); 13330 if (deletedPackage.splitCodePaths != null) { 13331 Collections.addAll(ps.oldCodePaths, deletedPackage.splitCodePaths); 13332 } 13333 } else { 13334 ps.oldCodePaths = null; 13335 } 13336 if (ps.childPackageNames != null) { 13337 for (int i = ps.childPackageNames.size() - 1; i >= 0; --i) { 13338 final String childPkgName = ps.childPackageNames.get(i); 13339 final PackageSetting childPs = mSettings.mPackages.get(childPkgName); 13340 childPs.oldCodePaths = ps.oldCodePaths; 13341 } 13342 } 13343 prepareAppDataAfterInstall(newPackage); 13344 addedPkg = true; 13345 } catch (PackageManagerException e) { 13346 res.setError("Package couldn't be installed in " + pkg.codePath, e); 13347 } 13348 } 13349 13350 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 13351 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 13352 13353 // Revert all internal state mutations and added folders for the failed install 13354 if (addedPkg) { 13355 deletePackageLI(pkgName, null, true, allUsers, deleteFlags, 13356 res.removedInfo, true, null); 13357 } 13358 13359 // Restore the old package 13360 if (deletedPkg) { 13361 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 13362 File restoreFile = new File(deletedPackage.codePath); 13363 // Parse old package 13364 boolean oldExternal = isExternal(deletedPackage); 13365 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 13366 (deletedPackage.isForwardLocked() ? PackageParser.PARSE_FORWARD_LOCK : 0) | 13367 (oldExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0); 13368 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 13369 try { 13370 scanPackageTracedLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, 13371 null); 13372 } catch (PackageManagerException e) { 13373 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 13374 + e.getMessage()); 13375 return; 13376 } 13377 13378 synchronized (mPackages) { 13379 // Ensure the installer package name up to date 13380 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 13381 13382 // Update permissions for restored package 13383 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 13384 13385 mSettings.writeLPr(); 13386 } 13387 13388 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 13389 } 13390 } else { 13391 synchronized (mPackages) { 13392 PackageSetting ps = mSettings.peekPackageLPr(pkg.packageName); 13393 if (ps != null) { 13394 res.removedInfo.removedForAllUsers = mPackages.get(ps.name) == null; 13395 if (res.removedInfo.removedChildPackages != null) { 13396 final int childCount = res.removedInfo.removedChildPackages.size(); 13397 // Iterate in reverse as we may modify the collection 13398 for (int i = childCount - 1; i >= 0; i--) { 13399 String childPackageName = res.removedInfo.removedChildPackages.keyAt(i); 13400 if (res.addedChildPackages.containsKey(childPackageName)) { 13401 res.removedInfo.removedChildPackages.removeAt(i); 13402 } else { 13403 PackageRemovedInfo childInfo = res.removedInfo 13404 .removedChildPackages.valueAt(i); 13405 childInfo.removedForAllUsers = mPackages.get( 13406 childInfo.removedPackage) == null; 13407 } 13408 } 13409 } 13410 } 13411 } 13412 } 13413 } 13414 13415 private void replaceSystemPackageLI(PackageParser.Package deletedPackage, 13416 PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user, 13417 int[] allUsers, String installerPackageName, PackageInstalledInfo res) { 13418 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 13419 + ", old=" + deletedPackage); 13420 13421 final boolean disabledSystem; 13422 13423 // Set the system/privileged flags as needed 13424 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 13425 if ((deletedPackage.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) 13426 != 0) { 13427 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 13428 } 13429 13430 // Kill package processes including services, providers, etc. 13431 killPackage(deletedPackage, "replace sys pkg"); 13432 13433 // Remove existing system package 13434 removePackageLI(deletedPackage, true); 13435 13436 disabledSystem = disableSystemPackageLPw(deletedPackage, pkg); 13437 if (!disabledSystem) { 13438 // We didn't need to disable the .apk as a current system package, 13439 // which means we are replacing another update that is already 13440 // installed. We need to make sure to delete the older one's .apk. 13441 res.removedInfo.args = createInstallArgsForExisting(0, 13442 deletedPackage.applicationInfo.getCodePath(), 13443 deletedPackage.applicationInfo.getResourcePath(), 13444 getAppDexInstructionSets(deletedPackage.applicationInfo)); 13445 } else { 13446 res.removedInfo.args = null; 13447 } 13448 13449 // Successfully disabled the old package. Now proceed with re-installation 13450 deleteCodeCacheDirsLI(pkg); 13451 deleteProfilesLI(pkg, /*destroy*/ false); 13452 13453 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 13454 pkg.setApplicationInfoFlags(ApplicationInfo.FLAG_UPDATED_SYSTEM_APP, 13455 ApplicationInfo.FLAG_UPDATED_SYSTEM_APP); 13456 13457 PackageParser.Package newPackage = null; 13458 try { 13459 // Add the package to the internal data structures 13460 newPackage = scanPackageTracedLI(pkg, parseFlags, scanFlags, 0, user); 13461 13462 // Set the update and install times 13463 PackageSetting deletedPkgSetting = (PackageSetting) deletedPackage.mExtras; 13464 setInstallAndUpdateTime(newPackage, deletedPkgSetting.firstInstallTime, 13465 System.currentTimeMillis()); 13466 13467 // Check for shared user id changes 13468 String invalidPackageName = getParentOrChildPackageChangedSharedUser( 13469 deletedPackage, newPackage); 13470 if (invalidPackageName != null) { 13471 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 13472 "Forbidding shared user change from " + deletedPkgSetting.sharedUser 13473 + " to " + invalidPackageName); 13474 } 13475 13476 // Update the package dynamic state if succeeded 13477 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 13478 // Now that the install succeeded make sure we remove data 13479 // directories for any child package the update removed. 13480 final int deletedChildCount = (deletedPackage.childPackages != null) 13481 ? deletedPackage.childPackages.size() : 0; 13482 final int newChildCount = (newPackage.childPackages != null) 13483 ? newPackage.childPackages.size() : 0; 13484 for (int i = 0; i < deletedChildCount; i++) { 13485 PackageParser.Package deletedChildPkg = deletedPackage.childPackages.get(i); 13486 boolean childPackageDeleted = true; 13487 for (int j = 0; j < newChildCount; j++) { 13488 PackageParser.Package newChildPkg = newPackage.childPackages.get(j); 13489 if (deletedChildPkg.packageName.equals(newChildPkg.packageName)) { 13490 childPackageDeleted = false; 13491 break; 13492 } 13493 } 13494 if (childPackageDeleted) { 13495 PackageSetting ps = mSettings.getDisabledSystemPkgLPr( 13496 deletedChildPkg.packageName); 13497 if (ps != null && res.removedInfo.removedChildPackages != null) { 13498 PackageRemovedInfo removedChildRes = res.removedInfo 13499 .removedChildPackages.get(deletedChildPkg.packageName); 13500 removePackageDataLI(ps, allUsers, removedChildRes, 0, false); 13501 removedChildRes.removedForAllUsers = mPackages.get(ps.name) == null; 13502 } 13503 } 13504 } 13505 13506 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user); 13507 prepareAppDataAfterInstall(newPackage); 13508 } 13509 } catch (PackageManagerException e) { 13510 res.setReturnCode(INSTALL_FAILED_INTERNAL_ERROR); 13511 res.setError("Package couldn't be installed in " + pkg.codePath, e); 13512 } 13513 13514 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 13515 // Re installation failed. Restore old information 13516 // Remove new pkg information 13517 if (newPackage != null) { 13518 removeInstalledPackageLI(newPackage, true); 13519 } 13520 // Add back the old system package 13521 try { 13522 scanPackageTracedLI(deletedPackage, parseFlags, SCAN_UPDATE_SIGNATURE, 0, user); 13523 } catch (PackageManagerException e) { 13524 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 13525 } 13526 13527 synchronized (mPackages) { 13528 if (disabledSystem) { 13529 enableSystemPackageLPw(deletedPackage); 13530 } 13531 13532 // Ensure the installer package name up to date 13533 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 13534 13535 // Update permissions for restored package 13536 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 13537 13538 mSettings.writeLPr(); 13539 } 13540 13541 Slog.i(TAG, "Successfully restored package : " + deletedPackage.packageName 13542 + " after failed upgrade"); 13543 } 13544 } 13545 13546 /** 13547 * Checks whether the parent or any of the child packages have a change shared 13548 * user. For a package to be a valid update the shred users of the parent and 13549 * the children should match. We may later support changing child shared users. 13550 * @param oldPkg The updated package. 13551 * @param newPkg The update package. 13552 * @return The shared user that change between the versions. 13553 */ 13554 private String getParentOrChildPackageChangedSharedUser(PackageParser.Package oldPkg, 13555 PackageParser.Package newPkg) { 13556 // Check parent shared user 13557 if (!Objects.equals(oldPkg.mSharedUserId, newPkg.mSharedUserId)) { 13558 return newPkg.packageName; 13559 } 13560 // Check child shared users 13561 final int oldChildCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 13562 final int newChildCount = (newPkg.childPackages != null) ? newPkg.childPackages.size() : 0; 13563 for (int i = 0; i < newChildCount; i++) { 13564 PackageParser.Package newChildPkg = newPkg.childPackages.get(i); 13565 // If this child was present, did it have the same shared user? 13566 for (int j = 0; j < oldChildCount; j++) { 13567 PackageParser.Package oldChildPkg = oldPkg.childPackages.get(j); 13568 if (newChildPkg.packageName.equals(oldChildPkg.packageName) 13569 && !Objects.equals(newChildPkg.mSharedUserId, oldChildPkg.mSharedUserId)) { 13570 return newChildPkg.packageName; 13571 } 13572 } 13573 } 13574 return null; 13575 } 13576 13577 private void removeNativeBinariesLI(PackageSetting ps) { 13578 // Remove the lib path for the parent package 13579 if (ps != null) { 13580 NativeLibraryHelper.removeNativeBinariesLI(ps.legacyNativeLibraryPathString); 13581 // Remove the lib path for the child packages 13582 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 13583 for (int i = 0; i < childCount; i++) { 13584 PackageSetting childPs = null; 13585 synchronized (mPackages) { 13586 childPs = mSettings.peekPackageLPr(ps.childPackageNames.get(i)); 13587 } 13588 if (childPs != null) { 13589 NativeLibraryHelper.removeNativeBinariesLI(childPs 13590 .legacyNativeLibraryPathString); 13591 } 13592 } 13593 } 13594 } 13595 13596 private void enableSystemPackageLPw(PackageParser.Package pkg) { 13597 // Enable the parent package 13598 mSettings.enableSystemPackageLPw(pkg.packageName); 13599 // Enable the child packages 13600 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 13601 for (int i = 0; i < childCount; i++) { 13602 PackageParser.Package childPkg = pkg.childPackages.get(i); 13603 mSettings.enableSystemPackageLPw(childPkg.packageName); 13604 } 13605 } 13606 13607 private boolean disableSystemPackageLPw(PackageParser.Package oldPkg, 13608 PackageParser.Package newPkg) { 13609 // Disable the parent package (parent always replaced) 13610 boolean disabled = mSettings.disableSystemPackageLPw(oldPkg.packageName, true); 13611 // Disable the child packages 13612 final int childCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 13613 for (int i = 0; i < childCount; i++) { 13614 PackageParser.Package childPkg = oldPkg.childPackages.get(i); 13615 final boolean replace = newPkg.hasChildPackage(childPkg.packageName); 13616 disabled |= mSettings.disableSystemPackageLPw(childPkg.packageName, replace); 13617 } 13618 return disabled; 13619 } 13620 13621 private void setInstallerPackageNameLPw(PackageParser.Package pkg, 13622 String installerPackageName) { 13623 // Enable the parent package 13624 mSettings.setInstallerPackageName(pkg.packageName, installerPackageName); 13625 // Enable the child packages 13626 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 13627 for (int i = 0; i < childCount; i++) { 13628 PackageParser.Package childPkg = pkg.childPackages.get(i); 13629 mSettings.setInstallerPackageName(childPkg.packageName, installerPackageName); 13630 } 13631 } 13632 13633 private int[] revokeUnusedSharedUserPermissionsLPw(SharedUserSetting su, int[] allUserIds) { 13634 // Collect all used permissions in the UID 13635 ArraySet<String> usedPermissions = new ArraySet<>(); 13636 final int packageCount = su.packages.size(); 13637 for (int i = 0; i < packageCount; i++) { 13638 PackageSetting ps = su.packages.valueAt(i); 13639 if (ps.pkg == null) { 13640 continue; 13641 } 13642 final int requestedPermCount = ps.pkg.requestedPermissions.size(); 13643 for (int j = 0; j < requestedPermCount; j++) { 13644 String permission = ps.pkg.requestedPermissions.get(j); 13645 BasePermission bp = mSettings.mPermissions.get(permission); 13646 if (bp != null) { 13647 usedPermissions.add(permission); 13648 } 13649 } 13650 } 13651 13652 PermissionsState permissionsState = su.getPermissionsState(); 13653 // Prune install permissions 13654 List<PermissionState> installPermStates = permissionsState.getInstallPermissionStates(); 13655 final int installPermCount = installPermStates.size(); 13656 for (int i = installPermCount - 1; i >= 0; i--) { 13657 PermissionState permissionState = installPermStates.get(i); 13658 if (!usedPermissions.contains(permissionState.getName())) { 13659 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 13660 if (bp != null) { 13661 permissionsState.revokeInstallPermission(bp); 13662 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 13663 PackageManager.MASK_PERMISSION_FLAGS, 0); 13664 } 13665 } 13666 } 13667 13668 int[] runtimePermissionChangedUserIds = EmptyArray.INT; 13669 13670 // Prune runtime permissions 13671 for (int userId : allUserIds) { 13672 List<PermissionState> runtimePermStates = permissionsState 13673 .getRuntimePermissionStates(userId); 13674 final int runtimePermCount = runtimePermStates.size(); 13675 for (int i = runtimePermCount - 1; i >= 0; i--) { 13676 PermissionState permissionState = runtimePermStates.get(i); 13677 if (!usedPermissions.contains(permissionState.getName())) { 13678 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 13679 if (bp != null) { 13680 permissionsState.revokeRuntimePermission(bp, userId); 13681 permissionsState.updatePermissionFlags(bp, userId, 13682 PackageManager.MASK_PERMISSION_FLAGS, 0); 13683 runtimePermissionChangedUserIds = ArrayUtils.appendInt( 13684 runtimePermissionChangedUserIds, userId); 13685 } 13686 } 13687 } 13688 } 13689 13690 return runtimePermissionChangedUserIds; 13691 } 13692 13693 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 13694 int[] allUsers, PackageInstalledInfo res, UserHandle user) { 13695 // Update the parent package setting 13696 updateSettingsInternalLI(newPackage, installerPackageName, allUsers, res.origUsers, 13697 res, user); 13698 // Update the child packages setting 13699 final int childCount = (newPackage.childPackages != null) 13700 ? newPackage.childPackages.size() : 0; 13701 for (int i = 0; i < childCount; i++) { 13702 PackageParser.Package childPackage = newPackage.childPackages.get(i); 13703 PackageInstalledInfo childRes = res.addedChildPackages.get(childPackage.packageName); 13704 updateSettingsInternalLI(childPackage, installerPackageName, allUsers, 13705 childRes.origUsers, childRes, user); 13706 } 13707 } 13708 13709 private void updateSettingsInternalLI(PackageParser.Package newPackage, 13710 String installerPackageName, int[] allUsers, int[] installedForUsers, 13711 PackageInstalledInfo res, UserHandle user) { 13712 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 13713 13714 String pkgName = newPackage.packageName; 13715 synchronized (mPackages) { 13716 //write settings. the installStatus will be incomplete at this stage. 13717 //note that the new package setting would have already been 13718 //added to mPackages. It hasn't been persisted yet. 13719 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 13720 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 13721 mSettings.writeLPr(); 13722 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13723 } 13724 13725 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 13726 synchronized (mPackages) { 13727 updatePermissionsLPw(newPackage.packageName, newPackage, 13728 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 13729 ? UPDATE_PERMISSIONS_ALL : 0)); 13730 // For system-bundled packages, we assume that installing an upgraded version 13731 // of the package implies that the user actually wants to run that new code, 13732 // so we enable the package. 13733 PackageSetting ps = mSettings.mPackages.get(pkgName); 13734 final int userId = user.getIdentifier(); 13735 if (ps != null) { 13736 if (isSystemApp(newPackage)) { 13737 if (DEBUG_INSTALL) { 13738 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 13739 } 13740 // Enable system package for requested users 13741 if (res.origUsers != null) { 13742 for (int origUserId : res.origUsers) { 13743 if (userId == UserHandle.USER_ALL || userId == origUserId) { 13744 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 13745 origUserId, installerPackageName); 13746 } 13747 } 13748 } 13749 // Also convey the prior install/uninstall state 13750 if (allUsers != null && installedForUsers != null) { 13751 for (int currentUserId : allUsers) { 13752 final boolean installed = ArrayUtils.contains( 13753 installedForUsers, currentUserId); 13754 if (DEBUG_INSTALL) { 13755 Slog.d(TAG, " user " + currentUserId + " => " + installed); 13756 } 13757 ps.setInstalled(installed, currentUserId); 13758 } 13759 // these install state changes will be persisted in the 13760 // upcoming call to mSettings.writeLPr(). 13761 } 13762 } 13763 // It's implied that when a user requests installation, they want the app to be 13764 // installed and enabled. 13765 if (userId != UserHandle.USER_ALL) { 13766 ps.setInstalled(true, userId); 13767 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, userId, installerPackageName); 13768 } 13769 } 13770 res.name = pkgName; 13771 res.uid = newPackage.applicationInfo.uid; 13772 res.pkg = newPackage; 13773 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 13774 mSettings.setInstallerPackageName(pkgName, installerPackageName); 13775 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 13776 //to update install status 13777 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 13778 mSettings.writeLPr(); 13779 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13780 } 13781 13782 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13783 } 13784 13785 private void installPackageTracedLI(InstallArgs args, PackageInstalledInfo res) { 13786 try { 13787 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installPackage"); 13788 installPackageLI(args, res); 13789 } finally { 13790 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13791 } 13792 } 13793 13794 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 13795 final int installFlags = args.installFlags; 13796 final String installerPackageName = args.installerPackageName; 13797 final String volumeUuid = args.volumeUuid; 13798 final File tmpPackageFile = new File(args.getCodePath()); 13799 final boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 13800 final boolean onExternal = (((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) 13801 || (args.volumeUuid != null)); 13802 final boolean ephemeral = ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0); 13803 boolean replace = false; 13804 int scanFlags = SCAN_NEW_INSTALL | SCAN_UPDATE_SIGNATURE; 13805 if (args.move != null) { 13806 // moving a complete application; perform an initial scan on the new install location 13807 scanFlags |= SCAN_INITIAL; 13808 } 13809 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 13810 scanFlags |= SCAN_DONT_KILL_APP; 13811 } 13812 13813 // Result object to be returned 13814 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 13815 13816 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 13817 13818 // Sanity check 13819 if (ephemeral && (forwardLocked || onExternal)) { 13820 Slog.i(TAG, "Incompatible ephemeral install; fwdLocked=" + forwardLocked 13821 + " external=" + onExternal); 13822 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 13823 return; 13824 } 13825 13826 // Retrieve PackageSettings and parse package 13827 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 13828 | PackageParser.PARSE_ENFORCE_CODE 13829 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 13830 | (onExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0) 13831 | (ephemeral ? PackageParser.PARSE_IS_EPHEMERAL : 0); 13832 PackageParser pp = new PackageParser(); 13833 pp.setSeparateProcesses(mSeparateProcesses); 13834 pp.setDisplayMetrics(mMetrics); 13835 13836 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 13837 final PackageParser.Package pkg; 13838 try { 13839 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 13840 } catch (PackageParserException e) { 13841 res.setError("Failed parse during installPackageLI", e); 13842 return; 13843 } finally { 13844 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13845 } 13846 13847 // If we are installing a clustered package add results for the children 13848 if (pkg.childPackages != null) { 13849 synchronized (mPackages) { 13850 final int childCount = pkg.childPackages.size(); 13851 for (int i = 0; i < childCount; i++) { 13852 PackageParser.Package childPkg = pkg.childPackages.get(i); 13853 PackageInstalledInfo childRes = new PackageInstalledInfo(); 13854 childRes.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 13855 childRes.pkg = childPkg; 13856 childRes.name = childPkg.packageName; 13857 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 13858 if (childPs != null) { 13859 childRes.origUsers = childPs.queryInstalledUsers( 13860 sUserManager.getUserIds(), true); 13861 } 13862 if ((mPackages.containsKey(childPkg.packageName))) { 13863 childRes.removedInfo = new PackageRemovedInfo(); 13864 childRes.removedInfo.removedPackage = childPkg.packageName; 13865 } 13866 if (res.addedChildPackages == null) { 13867 res.addedChildPackages = new ArrayMap<>(); 13868 } 13869 res.addedChildPackages.put(childPkg.packageName, childRes); 13870 } 13871 } 13872 } 13873 13874 // If package doesn't declare API override, mark that we have an install 13875 // time CPU ABI override. 13876 if (TextUtils.isEmpty(pkg.cpuAbiOverride)) { 13877 pkg.cpuAbiOverride = args.abiOverride; 13878 } 13879 13880 String pkgName = res.name = pkg.packageName; 13881 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 13882 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 13883 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 13884 return; 13885 } 13886 } 13887 13888 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "collectCertificates"); 13889 try { 13890 PackageParser.collectCertificates(pkg, parseFlags); 13891 } catch (PackageParserException e) { 13892 res.setError("Failed collect during installPackageLI", e); 13893 return; 13894 } finally { 13895 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13896 } 13897 13898 // Get rid of all references to package scan path via parser. 13899 pp = null; 13900 String oldCodePath = null; 13901 boolean systemApp = false; 13902 synchronized (mPackages) { 13903 // Check if installing already existing package 13904 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 13905 String oldName = mSettings.mRenamedPackages.get(pkgName); 13906 if (pkg.mOriginalPackages != null 13907 && pkg.mOriginalPackages.contains(oldName) 13908 && mPackages.containsKey(oldName)) { 13909 // This package is derived from an original package, 13910 // and this device has been updating from that original 13911 // name. We must continue using the original name, so 13912 // rename the new package here. 13913 pkg.setPackageName(oldName); 13914 pkgName = pkg.packageName; 13915 replace = true; 13916 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 13917 + oldName + " pkgName=" + pkgName); 13918 } else if (mPackages.containsKey(pkgName)) { 13919 // This package, under its official name, already exists 13920 // on the device; we should replace it. 13921 replace = true; 13922 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 13923 } 13924 13925 // Child packages are installed through the parent package 13926 if (pkg.parentPackage != null) { 13927 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 13928 "Package " + pkg.packageName + " is child of package " 13929 + pkg.parentPackage.parentPackage + ". Child packages " 13930 + "can be updated only through the parent package."); 13931 return; 13932 } 13933 13934 if (replace) { 13935 // Prevent apps opting out from runtime permissions 13936 PackageParser.Package oldPackage = mPackages.get(pkgName); 13937 final int oldTargetSdk = oldPackage.applicationInfo.targetSdkVersion; 13938 final int newTargetSdk = pkg.applicationInfo.targetSdkVersion; 13939 if (oldTargetSdk > Build.VERSION_CODES.LOLLIPOP_MR1 13940 && newTargetSdk <= Build.VERSION_CODES.LOLLIPOP_MR1) { 13941 res.setError(PackageManager.INSTALL_FAILED_PERMISSION_MODEL_DOWNGRADE, 13942 "Package " + pkg.packageName + " new target SDK " + newTargetSdk 13943 + " doesn't support runtime permissions but the old" 13944 + " target SDK " + oldTargetSdk + " does."); 13945 return; 13946 } 13947 13948 // Prevent installing of child packages 13949 if (oldPackage.parentPackage != null) { 13950 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 13951 "Package " + pkg.packageName + " is child of package " 13952 + oldPackage.parentPackage + ". Child packages " 13953 + "can be updated only through the parent package."); 13954 return; 13955 } 13956 } 13957 } 13958 13959 PackageSetting ps = mSettings.mPackages.get(pkgName); 13960 if (ps != null) { 13961 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 13962 13963 // Quick sanity check that we're signed correctly if updating; 13964 // we'll check this again later when scanning, but we want to 13965 // bail early here before tripping over redefined permissions. 13966 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 13967 if (!checkUpgradeKeySetLP(ps, pkg)) { 13968 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 13969 + pkg.packageName + " upgrade keys do not match the " 13970 + "previously installed version"); 13971 return; 13972 } 13973 } else { 13974 try { 13975 verifySignaturesLP(ps, pkg); 13976 } catch (PackageManagerException e) { 13977 res.setError(e.error, e.getMessage()); 13978 return; 13979 } 13980 } 13981 13982 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 13983 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 13984 systemApp = (ps.pkg.applicationInfo.flags & 13985 ApplicationInfo.FLAG_SYSTEM) != 0; 13986 } 13987 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 13988 } 13989 13990 // Check whether the newly-scanned package wants to define an already-defined perm 13991 int N = pkg.permissions.size(); 13992 for (int i = N-1; i >= 0; i--) { 13993 PackageParser.Permission perm = pkg.permissions.get(i); 13994 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 13995 if (bp != null) { 13996 // If the defining package is signed with our cert, it's okay. This 13997 // also includes the "updating the same package" case, of course. 13998 // "updating same package" could also involve key-rotation. 13999 final boolean sigsOk; 14000 if (bp.sourcePackage.equals(pkg.packageName) 14001 && (bp.packageSetting instanceof PackageSetting) 14002 && (shouldCheckUpgradeKeySetLP((PackageSetting) bp.packageSetting, 14003 scanFlags))) { 14004 sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg); 14005 } else { 14006 sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures, 14007 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 14008 } 14009 if (!sigsOk) { 14010 // If the owning package is the system itself, we log but allow 14011 // install to proceed; we fail the install on all other permission 14012 // redefinitions. 14013 if (!bp.sourcePackage.equals("android")) { 14014 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 14015 + pkg.packageName + " attempting to redeclare permission " 14016 + perm.info.name + " already owned by " + bp.sourcePackage); 14017 res.origPermission = perm.info.name; 14018 res.origPackage = bp.sourcePackage; 14019 return; 14020 } else { 14021 Slog.w(TAG, "Package " + pkg.packageName 14022 + " attempting to redeclare system permission " 14023 + perm.info.name + "; ignoring new declaration"); 14024 pkg.permissions.remove(i); 14025 } 14026 } 14027 } 14028 } 14029 } 14030 14031 if (systemApp) { 14032 if (onExternal) { 14033 // Abort update; system app can't be replaced with app on sdcard 14034 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 14035 "Cannot install updates to system apps on sdcard"); 14036 return; 14037 } else if (ephemeral) { 14038 // Abort update; system app can't be replaced with an ephemeral app 14039 res.setError(INSTALL_FAILED_EPHEMERAL_INVALID, 14040 "Cannot update a system app with an ephemeral app"); 14041 return; 14042 } 14043 } 14044 14045 if (args.move != null) { 14046 // We did an in-place move, so dex is ready to roll 14047 scanFlags |= SCAN_NO_DEX; 14048 scanFlags |= SCAN_MOVE; 14049 14050 synchronized (mPackages) { 14051 final PackageSetting ps = mSettings.mPackages.get(pkgName); 14052 if (ps == null) { 14053 res.setError(INSTALL_FAILED_INTERNAL_ERROR, 14054 "Missing settings for moved package " + pkgName); 14055 } 14056 14057 // We moved the entire application as-is, so bring over the 14058 // previously derived ABI information. 14059 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 14060 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 14061 } 14062 14063 } else if (!forwardLocked && !pkg.applicationInfo.isExternalAsec()) { 14064 // Enable SCAN_NO_DEX flag to skip dexopt at a later stage 14065 scanFlags |= SCAN_NO_DEX; 14066 14067 try { 14068 String abiOverride = (TextUtils.isEmpty(pkg.cpuAbiOverride) ? 14069 args.abiOverride : pkg.cpuAbiOverride); 14070 derivePackageAbi(pkg, new File(pkg.codePath), abiOverride, 14071 true /* extract libs */); 14072 } catch (PackageManagerException pme) { 14073 Slog.e(TAG, "Error deriving application ABI", pme); 14074 res.setError(INSTALL_FAILED_INTERNAL_ERROR, "Error deriving application ABI"); 14075 return; 14076 } 14077 14078 14079 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 14080 // Do not run PackageDexOptimizer through the local performDexOpt 14081 // method because `pkg` is not in `mPackages` yet. 14082 int result = mPackageDexOptimizer.performDexOpt(pkg, null /* instructionSets */, 14083 false /* checkProfiles */, getCompilerFilterForReason(REASON_INSTALL)); 14084 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14085 if (result == PackageDexOptimizer.DEX_OPT_FAILED) { 14086 String msg = "Extracking package failed for " + pkgName; 14087 res.setError(INSTALL_FAILED_DEXOPT, msg); 14088 return; 14089 } 14090 } 14091 14092 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 14093 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 14094 return; 14095 } 14096 14097 startIntentFilterVerifications(args.user.getIdentifier(), replace, pkg); 14098 14099 if (replace) { 14100 replacePackageLI(pkg, parseFlags, scanFlags | SCAN_REPLACING, args.user, 14101 installerPackageName, res); 14102 } else { 14103 installNewPackageLI(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 14104 args.user, installerPackageName, volumeUuid, res); 14105 } 14106 synchronized (mPackages) { 14107 final PackageSetting ps = mSettings.mPackages.get(pkgName); 14108 if (ps != null) { 14109 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 14110 } 14111 14112 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14113 for (int i = 0; i < childCount; i++) { 14114 PackageParser.Package childPkg = pkg.childPackages.get(i); 14115 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 14116 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 14117 if (childPs != null) { 14118 childRes.newUsers = childPs.queryInstalledUsers( 14119 sUserManager.getUserIds(), true); 14120 } 14121 } 14122 } 14123 } 14124 14125 private void startIntentFilterVerifications(int userId, boolean replacing, 14126 PackageParser.Package pkg) { 14127 if (mIntentFilterVerifierComponent == null) { 14128 Slog.w(TAG, "No IntentFilter verification will not be done as " 14129 + "there is no IntentFilterVerifier available!"); 14130 return; 14131 } 14132 14133 final int verifierUid = getPackageUid( 14134 mIntentFilterVerifierComponent.getPackageName(), 14135 MATCH_DEBUG_TRIAGED_MISSING, 14136 (userId == UserHandle.USER_ALL) ? UserHandle.USER_SYSTEM : userId); 14137 14138 Message msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 14139 msg.obj = new IFVerificationParams(pkg, replacing, userId, verifierUid); 14140 mHandler.sendMessage(msg); 14141 14142 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14143 for (int i = 0; i < childCount; i++) { 14144 PackageParser.Package childPkg = pkg.childPackages.get(i); 14145 msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 14146 msg.obj = new IFVerificationParams(childPkg, replacing, userId, verifierUid); 14147 mHandler.sendMessage(msg); 14148 } 14149 } 14150 14151 private void verifyIntentFiltersIfNeeded(int userId, int verifierUid, boolean replacing, 14152 PackageParser.Package pkg) { 14153 int size = pkg.activities.size(); 14154 if (size == 0) { 14155 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 14156 "No activity, so no need to verify any IntentFilter!"); 14157 return; 14158 } 14159 14160 final boolean hasDomainURLs = hasDomainURLs(pkg); 14161 if (!hasDomainURLs) { 14162 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 14163 "No domain URLs, so no need to verify any IntentFilter!"); 14164 return; 14165 } 14166 14167 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Checking for userId:" + userId 14168 + " if any IntentFilter from the " + size 14169 + " Activities needs verification ..."); 14170 14171 int count = 0; 14172 final String packageName = pkg.packageName; 14173 14174 synchronized (mPackages) { 14175 // If this is a new install and we see that we've already run verification for this 14176 // package, we have nothing to do: it means the state was restored from backup. 14177 if (!replacing) { 14178 IntentFilterVerificationInfo ivi = 14179 mSettings.getIntentFilterVerificationLPr(packageName); 14180 if (ivi != null) { 14181 if (DEBUG_DOMAIN_VERIFICATION) { 14182 Slog.i(TAG, "Package " + packageName+ " already verified: status=" 14183 + ivi.getStatusString()); 14184 } 14185 return; 14186 } 14187 } 14188 14189 // If any filters need to be verified, then all need to be. 14190 boolean needToVerify = false; 14191 for (PackageParser.Activity a : pkg.activities) { 14192 for (ActivityIntentInfo filter : a.intents) { 14193 if (filter.needsVerification() && needsNetworkVerificationLPr(filter)) { 14194 if (DEBUG_DOMAIN_VERIFICATION) { 14195 Slog.d(TAG, "Intent filter needs verification, so processing all filters"); 14196 } 14197 needToVerify = true; 14198 break; 14199 } 14200 } 14201 } 14202 14203 if (needToVerify) { 14204 final int verificationId = mIntentFilterVerificationToken++; 14205 for (PackageParser.Activity a : pkg.activities) { 14206 for (ActivityIntentInfo filter : a.intents) { 14207 if (filter.handlesWebUris(true) && needsNetworkVerificationLPr(filter)) { 14208 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 14209 "Verification needed for IntentFilter:" + filter.toString()); 14210 mIntentFilterVerifier.addOneIntentFilterVerification( 14211 verifierUid, userId, verificationId, filter, packageName); 14212 count++; 14213 } 14214 } 14215 } 14216 } 14217 } 14218 14219 if (count > 0) { 14220 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Starting " + count 14221 + " IntentFilter verification" + (count > 1 ? "s" : "") 14222 + " for userId:" + userId); 14223 mIntentFilterVerifier.startVerifications(userId); 14224 } else { 14225 if (DEBUG_DOMAIN_VERIFICATION) { 14226 Slog.d(TAG, "No filters or not all autoVerify for " + packageName); 14227 } 14228 } 14229 } 14230 14231 private boolean needsNetworkVerificationLPr(ActivityIntentInfo filter) { 14232 final ComponentName cn = filter.activity.getComponentName(); 14233 final String packageName = cn.getPackageName(); 14234 14235 IntentFilterVerificationInfo ivi = mSettings.getIntentFilterVerificationLPr( 14236 packageName); 14237 if (ivi == null) { 14238 return true; 14239 } 14240 int status = ivi.getStatus(); 14241 switch (status) { 14242 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 14243 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 14244 return true; 14245 14246 default: 14247 // Nothing to do 14248 return false; 14249 } 14250 } 14251 14252 private static boolean isMultiArch(ApplicationInfo info) { 14253 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 14254 } 14255 14256 private static boolean isExternal(PackageParser.Package pkg) { 14257 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 14258 } 14259 14260 private static boolean isExternal(PackageSetting ps) { 14261 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 14262 } 14263 14264 private static boolean isEphemeral(PackageParser.Package pkg) { 14265 return pkg.applicationInfo.isEphemeralApp(); 14266 } 14267 14268 private static boolean isEphemeral(PackageSetting ps) { 14269 return ps.pkg != null && isEphemeral(ps.pkg); 14270 } 14271 14272 private static boolean isSystemApp(PackageParser.Package pkg) { 14273 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 14274 } 14275 14276 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 14277 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 14278 } 14279 14280 private static boolean hasDomainURLs(PackageParser.Package pkg) { 14281 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_HAS_DOMAIN_URLS) != 0; 14282 } 14283 14284 private static boolean isSystemApp(PackageSetting ps) { 14285 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 14286 } 14287 14288 private static boolean isUpdatedSystemApp(PackageSetting ps) { 14289 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 14290 } 14291 14292 private int packageFlagsToInstallFlags(PackageSetting ps) { 14293 int installFlags = 0; 14294 if (isEphemeral(ps)) { 14295 installFlags |= PackageManager.INSTALL_EPHEMERAL; 14296 } 14297 if (isExternal(ps) && TextUtils.isEmpty(ps.volumeUuid)) { 14298 // This existing package was an external ASEC install when we have 14299 // the external flag without a UUID 14300 installFlags |= PackageManager.INSTALL_EXTERNAL; 14301 } 14302 if (ps.isForwardLocked()) { 14303 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 14304 } 14305 return installFlags; 14306 } 14307 14308 private String getVolumeUuidForPackage(PackageParser.Package pkg) { 14309 if (isExternal(pkg)) { 14310 if (TextUtils.isEmpty(pkg.volumeUuid)) { 14311 return StorageManager.UUID_PRIMARY_PHYSICAL; 14312 } else { 14313 return pkg.volumeUuid; 14314 } 14315 } else { 14316 return StorageManager.UUID_PRIVATE_INTERNAL; 14317 } 14318 } 14319 14320 private VersionInfo getSettingsVersionForPackage(PackageParser.Package pkg) { 14321 if (isExternal(pkg)) { 14322 if (TextUtils.isEmpty(pkg.volumeUuid)) { 14323 return mSettings.getExternalVersion(); 14324 } else { 14325 return mSettings.findOrCreateVersion(pkg.volumeUuid); 14326 } 14327 } else { 14328 return mSettings.getInternalVersion(); 14329 } 14330 } 14331 14332 private void deleteTempPackageFiles() { 14333 final FilenameFilter filter = new FilenameFilter() { 14334 public boolean accept(File dir, String name) { 14335 return name.startsWith("vmdl") && name.endsWith(".tmp"); 14336 } 14337 }; 14338 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 14339 file.delete(); 14340 } 14341 } 14342 14343 @Override 14344 public void deletePackageAsUser(String packageName, IPackageDeleteObserver observer, int userId, 14345 int flags) { 14346 deletePackage(packageName, new LegacyPackageDeleteObserver(observer).getBinder(), userId, 14347 flags); 14348 } 14349 14350 @Override 14351 public void deletePackage(final String packageName, 14352 final IPackageDeleteObserver2 observer, final int userId, final int flags) { 14353 mContext.enforceCallingOrSelfPermission( 14354 android.Manifest.permission.DELETE_PACKAGES, null); 14355 Preconditions.checkNotNull(packageName); 14356 Preconditions.checkNotNull(observer); 14357 final int uid = Binder.getCallingUid(); 14358 final boolean deleteAllUsers = (flags & PackageManager.DELETE_ALL_USERS) != 0; 14359 final int[] users = deleteAllUsers ? sUserManager.getUserIds() : new int[]{ userId }; 14360 if (UserHandle.getUserId(uid) != userId || (deleteAllUsers && users.length > 1)) { 14361 mContext.enforceCallingOrSelfPermission( 14362 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 14363 "deletePackage for user " + userId); 14364 } 14365 14366 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 14367 try { 14368 observer.onPackageDeleted(packageName, 14369 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 14370 } catch (RemoteException re) { 14371 } 14372 return; 14373 } 14374 14375 if (!deleteAllUsers && getBlockUninstallForUser(packageName, userId)) { 14376 try { 14377 observer.onPackageDeleted(packageName, 14378 PackageManager.DELETE_FAILED_OWNER_BLOCKED, null); 14379 } catch (RemoteException re) { 14380 } 14381 return; 14382 } 14383 14384 if (DEBUG_REMOVE) { 14385 Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId 14386 + " deleteAllUsers: " + deleteAllUsers ); 14387 } 14388 // Queue up an async operation since the package deletion may take a little while. 14389 mHandler.post(new Runnable() { 14390 public void run() { 14391 mHandler.removeCallbacks(this); 14392 int returnCode; 14393 if (!deleteAllUsers) { 14394 returnCode = deletePackageX(packageName, userId, flags); 14395 } else { 14396 int[] blockUninstallUserIds = getBlockUninstallForUsers(packageName, users); 14397 // If nobody is blocking uninstall, proceed with delete for all users 14398 if (ArrayUtils.isEmpty(blockUninstallUserIds)) { 14399 returnCode = deletePackageX(packageName, userId, flags); 14400 } else { 14401 // Otherwise uninstall individually for users with blockUninstalls=false 14402 final int userFlags = flags & ~PackageManager.DELETE_ALL_USERS; 14403 for (int userId : users) { 14404 if (!ArrayUtils.contains(blockUninstallUserIds, userId)) { 14405 returnCode = deletePackageX(packageName, userId, userFlags); 14406 if (returnCode != PackageManager.DELETE_SUCCEEDED) { 14407 Slog.w(TAG, "Package delete failed for user " + userId 14408 + ", returnCode " + returnCode); 14409 } 14410 } 14411 } 14412 // The app has only been marked uninstalled for certain users. 14413 // We still need to report that delete was blocked 14414 returnCode = PackageManager.DELETE_FAILED_OWNER_BLOCKED; 14415 } 14416 } 14417 try { 14418 observer.onPackageDeleted(packageName, returnCode, null); 14419 } catch (RemoteException e) { 14420 Log.i(TAG, "Observer no longer exists."); 14421 } //end catch 14422 } //end run 14423 }); 14424 } 14425 14426 private int[] getBlockUninstallForUsers(String packageName, int[] userIds) { 14427 int[] result = EMPTY_INT_ARRAY; 14428 for (int userId : userIds) { 14429 if (getBlockUninstallForUser(packageName, userId)) { 14430 result = ArrayUtils.appendInt(result, userId); 14431 } 14432 } 14433 return result; 14434 } 14435 14436 @Override 14437 public boolean isPackageDeviceAdminOnAnyUser(String packageName) { 14438 return isPackageDeviceAdmin(packageName, UserHandle.USER_ALL); 14439 } 14440 14441 private boolean isPackageDeviceAdmin(String packageName, int userId) { 14442 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 14443 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 14444 try { 14445 if (dpm != null) { 14446 final ComponentName deviceOwnerComponentName = dpm.getDeviceOwnerComponent( 14447 /* callingUserOnly =*/ false); 14448 final String deviceOwnerPackageName = deviceOwnerComponentName == null ? null 14449 : deviceOwnerComponentName.getPackageName(); 14450 // Does the package contains the device owner? 14451 // TODO Do we have to do it even if userId != UserHandle.USER_ALL? Otherwise, 14452 // this check is probably not needed, since DO should be registered as a device 14453 // admin on some user too. (Original bug for this: b/17657954) 14454 if (packageName.equals(deviceOwnerPackageName)) { 14455 return true; 14456 } 14457 // Does it contain a device admin for any user? 14458 int[] users; 14459 if (userId == UserHandle.USER_ALL) { 14460 users = sUserManager.getUserIds(); 14461 } else { 14462 users = new int[]{userId}; 14463 } 14464 for (int i = 0; i < users.length; ++i) { 14465 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 14466 return true; 14467 } 14468 } 14469 } 14470 } catch (RemoteException e) { 14471 } 14472 return false; 14473 } 14474 14475 private boolean shouldKeepUninstalledPackageLPr(String packageName) { 14476 return mKeepUninstalledPackages != null && mKeepUninstalledPackages.contains(packageName); 14477 } 14478 14479 /** 14480 * This method is an internal method that could be get invoked either 14481 * to delete an installed package or to clean up a failed installation. 14482 * After deleting an installed package, a broadcast is sent to notify any 14483 * listeners that the package has been removed. For cleaning up a failed 14484 * installation, the broadcast is not necessary since the package's 14485 * installation wouldn't have sent the initial broadcast either 14486 * The key steps in deleting a package are 14487 * deleting the package information in internal structures like mPackages, 14488 * deleting the packages base directories through installd 14489 * updating mSettings to reflect current status 14490 * persisting settings for later use 14491 * sending a broadcast if necessary 14492 */ 14493 private int deletePackageX(String packageName, int userId, int flags) { 14494 final PackageRemovedInfo info = new PackageRemovedInfo(); 14495 final boolean res; 14496 14497 final UserHandle removeForUser = (flags & PackageManager.DELETE_ALL_USERS) != 0 14498 ? UserHandle.ALL : new UserHandle(userId); 14499 14500 if (isPackageDeviceAdmin(packageName, removeForUser.getIdentifier())) { 14501 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 14502 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 14503 } 14504 14505 PackageSetting uninstalledPs = null; 14506 14507 // for the uninstall-updates case and restricted profiles, remember the per- 14508 // user handle installed state 14509 int[] allUsers; 14510 synchronized (mPackages) { 14511 uninstalledPs = mSettings.mPackages.get(packageName); 14512 if (uninstalledPs == null) { 14513 Slog.w(TAG, "Not removing non-existent package " + packageName); 14514 return PackageManager.DELETE_FAILED_INTERNAL_ERROR; 14515 } 14516 allUsers = sUserManager.getUserIds(); 14517 info.origUsers = uninstalledPs.queryInstalledUsers(allUsers, true); 14518 } 14519 14520 synchronized (mInstallLock) { 14521 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 14522 res = deletePackageLI(packageName, removeForUser, true, allUsers, 14523 flags | REMOVE_CHATTY, info, true, null); 14524 synchronized (mPackages) { 14525 if (res) { 14526 mEphemeralApplicationRegistry.onPackageUninstalledLPw(uninstalledPs.pkg); 14527 } 14528 } 14529 } 14530 14531 if (res) { 14532 final boolean killApp = (flags & PackageManager.INSTALL_DONT_KILL_APP) == 0; 14533 info.sendPackageRemovedBroadcasts(killApp); 14534 info.sendSystemPackageUpdatedBroadcasts(); 14535 info.sendSystemPackageAppearedBroadcasts(); 14536 } 14537 // Force a gc here. 14538 Runtime.getRuntime().gc(); 14539 // Delete the resources here after sending the broadcast to let 14540 // other processes clean up before deleting resources. 14541 if (info.args != null) { 14542 synchronized (mInstallLock) { 14543 info.args.doPostDeleteLI(true); 14544 } 14545 } 14546 14547 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 14548 } 14549 14550 class PackageRemovedInfo { 14551 String removedPackage; 14552 int uid = -1; 14553 int removedAppId = -1; 14554 int[] origUsers; 14555 int[] removedUsers = null; 14556 boolean isRemovedPackageSystemUpdate = false; 14557 boolean isUpdate; 14558 boolean dataRemoved; 14559 boolean removedForAllUsers; 14560 // Clean up resources deleted packages. 14561 InstallArgs args = null; 14562 ArrayMap<String, PackageRemovedInfo> removedChildPackages; 14563 ArrayMap<String, PackageInstalledInfo> appearedChildPackages; 14564 14565 void sendPackageRemovedBroadcasts(boolean killApp) { 14566 sendPackageRemovedBroadcastInternal(killApp); 14567 final int childCount = removedChildPackages != null ? removedChildPackages.size() : 0; 14568 for (int i = 0; i < childCount; i++) { 14569 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 14570 childInfo.sendPackageRemovedBroadcastInternal(killApp); 14571 } 14572 } 14573 14574 void sendSystemPackageUpdatedBroadcasts() { 14575 if (isRemovedPackageSystemUpdate) { 14576 sendSystemPackageUpdatedBroadcastsInternal(); 14577 final int childCount = (removedChildPackages != null) 14578 ? removedChildPackages.size() : 0; 14579 for (int i = 0; i < childCount; i++) { 14580 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 14581 if (childInfo.isRemovedPackageSystemUpdate) { 14582 childInfo.sendSystemPackageUpdatedBroadcastsInternal(); 14583 } 14584 } 14585 } 14586 } 14587 14588 void sendSystemPackageAppearedBroadcasts() { 14589 final int packageCount = (appearedChildPackages != null) 14590 ? appearedChildPackages.size() : 0; 14591 for (int i = 0; i < packageCount; i++) { 14592 PackageInstalledInfo installedInfo = appearedChildPackages.valueAt(i); 14593 for (int userId : installedInfo.newUsers) { 14594 sendPackageAddedForUser(installedInfo.name, true, 14595 UserHandle.getAppId(installedInfo.uid), userId); 14596 } 14597 } 14598 } 14599 14600 private void sendSystemPackageUpdatedBroadcastsInternal() { 14601 Bundle extras = new Bundle(2); 14602 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 14603 extras.putBoolean(Intent.EXTRA_REPLACING, true); 14604 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, removedPackage, 14605 extras, 0, null, null, null); 14606 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, removedPackage, 14607 extras, 0, null, null, null); 14608 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 14609 null, 0, removedPackage, null, null); 14610 } 14611 14612 private void sendPackageRemovedBroadcastInternal(boolean killApp) { 14613 Bundle extras = new Bundle(2); 14614 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 14615 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, dataRemoved); 14616 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, !killApp); 14617 if (isUpdate || isRemovedPackageSystemUpdate) { 14618 extras.putBoolean(Intent.EXTRA_REPLACING, true); 14619 } 14620 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 14621 if (removedPackage != null) { 14622 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 14623 extras, 0, null, null, removedUsers); 14624 if (dataRemoved && !isRemovedPackageSystemUpdate) { 14625 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, 14626 removedPackage, extras, 0, null, null, removedUsers); 14627 } 14628 } 14629 if (removedAppId >= 0) { 14630 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, 0, null, null, 14631 removedUsers); 14632 } 14633 } 14634 } 14635 14636 /* 14637 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 14638 * flag is not set, the data directory is removed as well. 14639 * make sure this flag is set for partially installed apps. If not its meaningless to 14640 * delete a partially installed application. 14641 */ 14642 private void removePackageDataLI(PackageSetting ps, int[] allUserHandles, 14643 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 14644 String packageName = ps.name; 14645 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 14646 removePackageLI(ps, (flags&REMOVE_CHATTY) != 0); 14647 // Retrieve object to delete permissions for shared user later on 14648 final PackageSetting deletedPs; 14649 // reader 14650 synchronized (mPackages) { 14651 deletedPs = mSettings.mPackages.get(packageName); 14652 if (outInfo != null) { 14653 outInfo.removedPackage = packageName; 14654 outInfo.removedUsers = deletedPs != null 14655 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 14656 : null; 14657 } 14658 } 14659 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 14660 removeDataDirsLI(ps.volumeUuid, packageName); 14661 if (outInfo != null) { 14662 outInfo.dataRemoved = true; 14663 } 14664 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 14665 } 14666 // writer 14667 synchronized (mPackages) { 14668 if (deletedPs != null) { 14669 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 14670 clearIntentFilterVerificationsLPw(deletedPs.name, UserHandle.USER_ALL); 14671 clearDefaultBrowserIfNeeded(packageName); 14672 if (outInfo != null) { 14673 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 14674 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 14675 } 14676 updatePermissionsLPw(deletedPs.name, null, 0); 14677 if (deletedPs.sharedUser != null) { 14678 // Remove permissions associated with package. Since runtime 14679 // permissions are per user we have to kill the removed package 14680 // or packages running under the shared user of the removed 14681 // package if revoking the permissions requested only by the removed 14682 // package is successful and this causes a change in gids. 14683 for (int userId : UserManagerService.getInstance().getUserIds()) { 14684 final int userIdToKill = mSettings.updateSharedUserPermsLPw(deletedPs, 14685 userId); 14686 if (userIdToKill == UserHandle.USER_ALL 14687 || userIdToKill >= UserHandle.USER_SYSTEM) { 14688 // If gids changed for this user, kill all affected packages. 14689 mHandler.post(new Runnable() { 14690 @Override 14691 public void run() { 14692 // This has to happen with no lock held. 14693 killApplication(deletedPs.name, deletedPs.appId, 14694 KILL_APP_REASON_GIDS_CHANGED); 14695 } 14696 }); 14697 break; 14698 } 14699 } 14700 } 14701 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 14702 } 14703 // make sure to preserve per-user disabled state if this removal was just 14704 // a downgrade of a system app to the factory package 14705 if (allUserHandles != null && outInfo != null && outInfo.origUsers != null) { 14706 if (DEBUG_REMOVE) { 14707 Slog.d(TAG, "Propagating install state across downgrade"); 14708 } 14709 for (int userId : allUserHandles) { 14710 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 14711 if (DEBUG_REMOVE) { 14712 Slog.d(TAG, " user " + userId + " => " + installed); 14713 } 14714 ps.setInstalled(installed, userId); 14715 } 14716 } 14717 } 14718 // can downgrade to reader 14719 if (writeSettings) { 14720 // Save settings now 14721 mSettings.writeLPr(); 14722 } 14723 } 14724 if (outInfo != null) { 14725 // A user ID was deleted here. Go through all users and remove it 14726 // from KeyStore. 14727 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 14728 } 14729 } 14730 14731 static boolean locationIsPrivileged(File path) { 14732 try { 14733 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 14734 .getCanonicalPath(); 14735 return path.getCanonicalPath().startsWith(privilegedAppDir); 14736 } catch (IOException e) { 14737 Slog.e(TAG, "Unable to access code path " + path); 14738 } 14739 return false; 14740 } 14741 14742 /* 14743 * Tries to delete system package. 14744 */ 14745 private boolean deleteSystemPackageLI(PackageParser.Package deletedPkg, 14746 PackageSetting deletedPs, int[] allUserHandles, int flags, PackageRemovedInfo outInfo, 14747 boolean writeSettings) { 14748 if (deletedPs.parentPackageName != null) { 14749 Slog.w(TAG, "Attempt to delete child system package " + deletedPkg.packageName); 14750 return false; 14751 } 14752 14753 final boolean applyUserRestrictions 14754 = (allUserHandles != null) && (outInfo.origUsers != null); 14755 final PackageSetting disabledPs; 14756 // Confirm if the system package has been updated 14757 // An updated system app can be deleted. This will also have to restore 14758 // the system pkg from system partition 14759 // reader 14760 synchronized (mPackages) { 14761 disabledPs = mSettings.getDisabledSystemPkgLPr(deletedPs.name); 14762 } 14763 14764 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + deletedPkg.packageName 14765 + " disabledPs=" + disabledPs); 14766 14767 if (disabledPs == null) { 14768 Slog.w(TAG, "Attempt to delete unknown system package "+ deletedPkg.packageName); 14769 return false; 14770 } else if (DEBUG_REMOVE) { 14771 Slog.d(TAG, "Deleting system pkg from data partition"); 14772 } 14773 14774 if (DEBUG_REMOVE) { 14775 if (applyUserRestrictions) { 14776 Slog.d(TAG, "Remembering install states:"); 14777 for (int userId : allUserHandles) { 14778 final boolean finstalled = ArrayUtils.contains(outInfo.origUsers, userId); 14779 Slog.d(TAG, " u=" + userId + " inst=" + finstalled); 14780 } 14781 } 14782 } 14783 14784 // Delete the updated package 14785 outInfo.isRemovedPackageSystemUpdate = true; 14786 if (outInfo.removedChildPackages != null) { 14787 final int childCount = (deletedPs.childPackageNames != null) 14788 ? deletedPs.childPackageNames.size() : 0; 14789 for (int i = 0; i < childCount; i++) { 14790 String childPackageName = deletedPs.childPackageNames.get(i); 14791 if (disabledPs.childPackageNames != null && disabledPs.childPackageNames 14792 .contains(childPackageName)) { 14793 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 14794 childPackageName); 14795 if (childInfo != null) { 14796 childInfo.isRemovedPackageSystemUpdate = true; 14797 } 14798 } 14799 } 14800 } 14801 14802 if (disabledPs.versionCode < deletedPs.versionCode) { 14803 // Delete data for downgrades 14804 flags &= ~PackageManager.DELETE_KEEP_DATA; 14805 } else { 14806 // Preserve data by setting flag 14807 flags |= PackageManager.DELETE_KEEP_DATA; 14808 } 14809 14810 boolean ret = deleteInstalledPackageLI(deletedPs, true, flags, allUserHandles, 14811 outInfo, writeSettings, disabledPs.pkg); 14812 if (!ret) { 14813 return false; 14814 } 14815 14816 // writer 14817 synchronized (mPackages) { 14818 // Reinstate the old system package 14819 enableSystemPackageLPw(disabledPs.pkg); 14820 // Remove any native libraries from the upgraded package. 14821 removeNativeBinariesLI(deletedPs); 14822 } 14823 14824 // Install the system package 14825 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 14826 int parseFlags = PackageParser.PARSE_MUST_BE_APK | PackageParser.PARSE_IS_SYSTEM; 14827 if (locationIsPrivileged(disabledPs.codePath)) { 14828 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 14829 } 14830 14831 final PackageParser.Package newPkg; 14832 try { 14833 newPkg = scanPackageTracedLI(disabledPs.codePath, parseFlags, SCAN_NO_PATHS, 0, null); 14834 } catch (PackageManagerException e) { 14835 Slog.w(TAG, "Failed to restore system package:" + deletedPkg.packageName + ": " 14836 + e.getMessage()); 14837 return false; 14838 } 14839 14840 prepareAppDataAfterInstall(newPkg); 14841 14842 // writer 14843 synchronized (mPackages) { 14844 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 14845 14846 // Propagate the permissions state as we do not want to drop on the floor 14847 // runtime permissions. The update permissions method below will take 14848 // care of removing obsolete permissions and grant install permissions. 14849 ps.getPermissionsState().copyFrom(deletedPs.getPermissionsState()); 14850 updatePermissionsLPw(newPkg.packageName, newPkg, 14851 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 14852 14853 if (applyUserRestrictions) { 14854 if (DEBUG_REMOVE) { 14855 Slog.d(TAG, "Propagating install state across reinstall"); 14856 } 14857 for (int userId : allUserHandles) { 14858 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 14859 if (DEBUG_REMOVE) { 14860 Slog.d(TAG, " user " + userId + " => " + installed); 14861 } 14862 ps.setInstalled(installed, userId); 14863 14864 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 14865 } 14866 // Regardless of writeSettings we need to ensure that this restriction 14867 // state propagation is persisted 14868 mSettings.writeAllUsersPackageRestrictionsLPr(); 14869 } 14870 // can downgrade to reader here 14871 if (writeSettings) { 14872 mSettings.writeLPr(); 14873 } 14874 } 14875 return true; 14876 } 14877 14878 private boolean deleteInstalledPackageLI(PackageSetting ps, 14879 boolean deleteCodeAndResources, int flags, int[] allUserHandles, 14880 PackageRemovedInfo outInfo, boolean writeSettings, 14881 PackageParser.Package replacingPackage) { 14882 synchronized (mPackages) { 14883 if (outInfo != null) { 14884 outInfo.uid = ps.appId; 14885 } 14886 14887 if (outInfo != null && outInfo.removedChildPackages != null) { 14888 final int childCount = (ps.childPackageNames != null) 14889 ? ps.childPackageNames.size() : 0; 14890 for (int i = 0; i < childCount; i++) { 14891 String childPackageName = ps.childPackageNames.get(i); 14892 PackageSetting childPs = mSettings.mPackages.get(childPackageName); 14893 if (childPs == null) { 14894 return false; 14895 } 14896 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 14897 childPackageName); 14898 if (childInfo != null) { 14899 childInfo.uid = childPs.appId; 14900 } 14901 } 14902 } 14903 } 14904 14905 // Delete package data from internal structures and also remove data if flag is set 14906 removePackageDataLI(ps, allUserHandles, outInfo, flags, writeSettings); 14907 14908 // Delete the child packages data 14909 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 14910 for (int i = 0; i < childCount; i++) { 14911 PackageSetting childPs; 14912 synchronized (mPackages) { 14913 childPs = mSettings.peekPackageLPr(ps.childPackageNames.get(i)); 14914 } 14915 if (childPs != null) { 14916 PackageRemovedInfo childOutInfo = (outInfo != null 14917 && outInfo.removedChildPackages != null) 14918 ? outInfo.removedChildPackages.get(childPs.name) : null; 14919 final int deleteFlags = (flags & DELETE_KEEP_DATA) != 0 14920 && (replacingPackage != null 14921 && !replacingPackage.hasChildPackage(childPs.name)) 14922 ? flags & ~DELETE_KEEP_DATA : flags; 14923 removePackageDataLI(childPs, allUserHandles, childOutInfo, 14924 deleteFlags, writeSettings); 14925 } 14926 } 14927 14928 // Delete application code and resources only for parent packages 14929 if (ps.parentPackageName == null) { 14930 if (deleteCodeAndResources && (outInfo != null)) { 14931 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 14932 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 14933 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 14934 } 14935 } 14936 14937 return true; 14938 } 14939 14940 @Override 14941 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 14942 int userId) { 14943 mContext.enforceCallingOrSelfPermission( 14944 android.Manifest.permission.DELETE_PACKAGES, null); 14945 synchronized (mPackages) { 14946 PackageSetting ps = mSettings.mPackages.get(packageName); 14947 if (ps == null) { 14948 Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); 14949 return false; 14950 } 14951 if (!ps.getInstalled(userId)) { 14952 // Can't block uninstall for an app that is not installed or enabled. 14953 Log.i(TAG, "Package not installed in set block uninstall " + packageName); 14954 return false; 14955 } 14956 ps.setBlockUninstall(blockUninstall, userId); 14957 mSettings.writePackageRestrictionsLPr(userId); 14958 } 14959 return true; 14960 } 14961 14962 @Override 14963 public boolean getBlockUninstallForUser(String packageName, int userId) { 14964 synchronized (mPackages) { 14965 PackageSetting ps = mSettings.mPackages.get(packageName); 14966 if (ps == null) { 14967 Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); 14968 return false; 14969 } 14970 return ps.getBlockUninstall(userId); 14971 } 14972 } 14973 14974 @Override 14975 public boolean setRequiredForSystemUser(String packageName, boolean systemUserApp) { 14976 int callingUid = Binder.getCallingUid(); 14977 if (callingUid != Process.SYSTEM_UID && callingUid != Process.ROOT_UID) { 14978 throw new SecurityException( 14979 "setRequiredForSystemUser can only be run by the system or root"); 14980 } 14981 synchronized (mPackages) { 14982 PackageSetting ps = mSettings.mPackages.get(packageName); 14983 if (ps == null) { 14984 Log.w(TAG, "Package doesn't exist: " + packageName); 14985 return false; 14986 } 14987 if (systemUserApp) { 14988 ps.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 14989 } else { 14990 ps.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 14991 } 14992 mSettings.writeLPr(); 14993 } 14994 return true; 14995 } 14996 14997 /* 14998 * This method handles package deletion in general 14999 */ 15000 private boolean deletePackageLI(String packageName, UserHandle user, 15001 boolean deleteCodeAndResources, int[] allUserHandles, int flags, 15002 PackageRemovedInfo outInfo, boolean writeSettings, 15003 PackageParser.Package replacingPackage) { 15004 if (packageName == null) { 15005 Slog.w(TAG, "Attempt to delete null packageName."); 15006 return false; 15007 } 15008 15009 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 15010 15011 PackageSetting ps; 15012 15013 synchronized (mPackages) { 15014 ps = mSettings.mPackages.get(packageName); 15015 if (ps == null) { 15016 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 15017 return false; 15018 } 15019 15020 if (ps.parentPackageName != null && (!isSystemApp(ps) 15021 || (flags & PackageManager.DELETE_SYSTEM_APP) != 0)) { 15022 if (DEBUG_REMOVE) { 15023 Slog.d(TAG, "Uninstalled child package:" + packageName + " for user:" 15024 + ((user == null) ? UserHandle.USER_ALL : user)); 15025 } 15026 final int removedUserId = (user != null) ? user.getIdentifier() 15027 : UserHandle.USER_ALL; 15028 if (!clearPackageStateForUser(ps, removedUserId, outInfo)) { 15029 return false; 15030 } 15031 markPackageUninstalledForUserLPw(ps, user); 15032 scheduleWritePackageRestrictionsLocked(user); 15033 return true; 15034 } 15035 } 15036 15037 if (((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 15038 && user.getIdentifier() != UserHandle.USER_ALL)) { 15039 // The caller is asking that the package only be deleted for a single 15040 // user. To do this, we just mark its uninstalled state and delete 15041 // its data. If this is a system app, we only allow this to happen if 15042 // they have set the special DELETE_SYSTEM_APP which requests different 15043 // semantics than normal for uninstalling system apps. 15044 markPackageUninstalledForUserLPw(ps, user); 15045 15046 if (!isSystemApp(ps)) { 15047 // Do not uninstall the APK if an app should be cached 15048 boolean keepUninstalledPackage = shouldKeepUninstalledPackageLPr(packageName); 15049 if (ps.isAnyInstalled(sUserManager.getUserIds()) || keepUninstalledPackage) { 15050 // Other user still have this package installed, so all 15051 // we need to do is clear this user's data and save that 15052 // it is uninstalled. 15053 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 15054 if (!clearPackageStateForUser(ps, user.getIdentifier(), outInfo)) { 15055 return false; 15056 } 15057 scheduleWritePackageRestrictionsLocked(user); 15058 return true; 15059 } else { 15060 // We need to set it back to 'installed' so the uninstall 15061 // broadcasts will be sent correctly. 15062 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 15063 ps.setInstalled(true, user.getIdentifier()); 15064 } 15065 } else { 15066 // This is a system app, so we assume that the 15067 // other users still have this package installed, so all 15068 // we need to do is clear this user's data and save that 15069 // it is uninstalled. 15070 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 15071 if (!clearPackageStateForUser(ps, user.getIdentifier(), outInfo)) { 15072 return false; 15073 } 15074 scheduleWritePackageRestrictionsLocked(user); 15075 return true; 15076 } 15077 } 15078 15079 // If we are deleting a composite package for all users, keep track 15080 // of result for each child. 15081 if (ps.childPackageNames != null && outInfo != null) { 15082 synchronized (mPackages) { 15083 final int childCount = ps.childPackageNames.size(); 15084 outInfo.removedChildPackages = new ArrayMap<>(childCount); 15085 for (int i = 0; i < childCount; i++) { 15086 String childPackageName = ps.childPackageNames.get(i); 15087 PackageRemovedInfo childInfo = new PackageRemovedInfo(); 15088 childInfo.removedPackage = childPackageName; 15089 outInfo.removedChildPackages.put(childPackageName, childInfo); 15090 PackageSetting childPs = mSettings.peekPackageLPr(childPackageName); 15091 if (childPs != null) { 15092 childInfo.origUsers = childPs.queryInstalledUsers(allUserHandles, true); 15093 } 15094 } 15095 } 15096 } 15097 15098 boolean ret = false; 15099 if (isSystemApp(ps)) { 15100 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package: " + ps.name); 15101 // When an updated system application is deleted we delete the existing resources 15102 // as well and fall back to existing code in system partition 15103 ret = deleteSystemPackageLI(ps.pkg, ps, allUserHandles, flags, outInfo, writeSettings); 15104 } else { 15105 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package: " + ps.name); 15106 // Kill application pre-emptively especially for apps on sd. 15107 final boolean killApp = (flags & PackageManager.DELETE_DONT_KILL_APP) == 0; 15108 if (killApp) { 15109 killApplication(packageName, ps.appId, "uninstall pkg"); 15110 } 15111 ret = deleteInstalledPackageLI(ps, deleteCodeAndResources, flags, allUserHandles, 15112 outInfo, writeSettings, replacingPackage); 15113 } 15114 15115 // Take a note whether we deleted the package for all users 15116 if (outInfo != null) { 15117 outInfo.removedForAllUsers = mPackages.get(ps.name) == null; 15118 if (outInfo.removedChildPackages != null) { 15119 synchronized (mPackages) { 15120 final int childCount = outInfo.removedChildPackages.size(); 15121 for (int i = 0; i < childCount; i++) { 15122 PackageRemovedInfo childInfo = outInfo.removedChildPackages.valueAt(i); 15123 if (childInfo != null) { 15124 childInfo.removedForAllUsers = mPackages.get( 15125 childInfo.removedPackage) == null; 15126 } 15127 } 15128 } 15129 } 15130 // If we uninstalled an update to a system app there may be some 15131 // child packages that appeared as they are declared in the system 15132 // app but were not declared in the update. 15133 if (isSystemApp(ps)) { 15134 synchronized (mPackages) { 15135 PackageSetting updatedPs = mSettings.peekPackageLPr(ps.name); 15136 final int childCount = (updatedPs.childPackageNames != null) 15137 ? updatedPs.childPackageNames.size() : 0; 15138 for (int i = 0; i < childCount; i++) { 15139 String childPackageName = updatedPs.childPackageNames.get(i); 15140 if (outInfo.removedChildPackages == null 15141 || outInfo.removedChildPackages.indexOfKey(childPackageName) < 0) { 15142 PackageSetting childPs = mSettings.peekPackageLPr(childPackageName); 15143 if (childPs == null) { 15144 continue; 15145 } 15146 PackageInstalledInfo installRes = new PackageInstalledInfo(); 15147 installRes.name = childPackageName; 15148 installRes.newUsers = childPs.queryInstalledUsers(allUserHandles, true); 15149 installRes.pkg = mPackages.get(childPackageName); 15150 installRes.uid = childPs.pkg.applicationInfo.uid; 15151 if (outInfo.appearedChildPackages == null) { 15152 outInfo.appearedChildPackages = new ArrayMap<>(); 15153 } 15154 outInfo.appearedChildPackages.put(childPackageName, installRes); 15155 } 15156 } 15157 } 15158 } 15159 } 15160 15161 return ret; 15162 } 15163 15164 private void markPackageUninstalledForUserLPw(PackageSetting ps, UserHandle user) { 15165 final int[] userIds = (user == null || user.getIdentifier() == UserHandle.USER_ALL) 15166 ? sUserManager.getUserIds() : new int[] {user.getIdentifier()}; 15167 for (int nextUserId : userIds) { 15168 if (DEBUG_REMOVE) { 15169 Slog.d(TAG, "Marking package:" + ps.name + " uninstalled for user:" + nextUserId); 15170 } 15171 ps.setUserState(nextUserId, COMPONENT_ENABLED_STATE_DEFAULT, 15172 false /*installed*/, true /*stopped*/, true /*notLaunched*/, 15173 false /*hidden*/, false /*suspended*/, null, null, null, 15174 false /*blockUninstall*/, 15175 ps.readUserState(nextUserId).domainVerificationStatus, 0); 15176 } 15177 } 15178 15179 private boolean clearPackageStateForUser(PackageSetting ps, int userId, 15180 PackageRemovedInfo outInfo) { 15181 final int[] userIds = (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() 15182 : new int[] {userId}; 15183 for (int nextUserId : userIds) { 15184 if (DEBUG_REMOVE) { 15185 Slog.d(TAG, "Updating package:" + ps.name + " install state for user:" 15186 + nextUserId); 15187 } 15188 final int flags = StorageManager.FLAG_STORAGE_CE| StorageManager.FLAG_STORAGE_DE; 15189 try { 15190 mInstaller.destroyAppData(ps.volumeUuid, ps.name, nextUserId, flags); 15191 } catch (InstallerException e) { 15192 Slog.w(TAG, "Couldn't remove cache files for package " + ps.name, e); 15193 return false; 15194 } 15195 removeKeystoreDataIfNeeded(nextUserId, ps.appId); 15196 schedulePackageCleaning(ps.name, nextUserId, false); 15197 synchronized (mPackages) { 15198 if (clearPackagePreferredActivitiesLPw(ps.name, nextUserId)) { 15199 scheduleWritePackageRestrictionsLocked(nextUserId); 15200 } 15201 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, nextUserId); 15202 } 15203 } 15204 15205 if (outInfo != null) { 15206 outInfo.removedPackage = ps.name; 15207 outInfo.removedAppId = ps.appId; 15208 outInfo.removedUsers = userIds; 15209 } 15210 15211 return true; 15212 } 15213 15214 private final class ClearStorageConnection implements ServiceConnection { 15215 IMediaContainerService mContainerService; 15216 15217 @Override 15218 public void onServiceConnected(ComponentName name, IBinder service) { 15219 synchronized (this) { 15220 mContainerService = IMediaContainerService.Stub.asInterface(service); 15221 notifyAll(); 15222 } 15223 } 15224 15225 @Override 15226 public void onServiceDisconnected(ComponentName name) { 15227 } 15228 } 15229 15230 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 15231 final boolean mounted; 15232 if (Environment.isExternalStorageEmulated()) { 15233 mounted = true; 15234 } else { 15235 final String status = Environment.getExternalStorageState(); 15236 15237 mounted = status.equals(Environment.MEDIA_MOUNTED) 15238 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 15239 } 15240 15241 if (!mounted) { 15242 return; 15243 } 15244 15245 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 15246 int[] users; 15247 if (userId == UserHandle.USER_ALL) { 15248 users = sUserManager.getUserIds(); 15249 } else { 15250 users = new int[] { userId }; 15251 } 15252 final ClearStorageConnection conn = new ClearStorageConnection(); 15253 if (mContext.bindServiceAsUser( 15254 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 15255 try { 15256 for (int curUser : users) { 15257 long timeout = SystemClock.uptimeMillis() + 5000; 15258 synchronized (conn) { 15259 long now = SystemClock.uptimeMillis(); 15260 while (conn.mContainerService == null && now < timeout) { 15261 try { 15262 conn.wait(timeout - now); 15263 } catch (InterruptedException e) { 15264 } 15265 } 15266 } 15267 if (conn.mContainerService == null) { 15268 return; 15269 } 15270 15271 final UserEnvironment userEnv = new UserEnvironment(curUser); 15272 clearDirectory(conn.mContainerService, 15273 userEnv.buildExternalStorageAppCacheDirs(packageName)); 15274 if (allData) { 15275 clearDirectory(conn.mContainerService, 15276 userEnv.buildExternalStorageAppDataDirs(packageName)); 15277 clearDirectory(conn.mContainerService, 15278 userEnv.buildExternalStorageAppMediaDirs(packageName)); 15279 } 15280 } 15281 } finally { 15282 mContext.unbindService(conn); 15283 } 15284 } 15285 } 15286 15287 @Override 15288 public void clearApplicationProfileData(String packageName) { 15289 enforceSystemOrRoot("Only the system can clear all profile data"); 15290 try { 15291 mInstaller.clearAppProfiles(packageName); 15292 } catch (InstallerException ex) { 15293 Log.e(TAG, "Could not clear profile data of package " + packageName); 15294 } 15295 } 15296 15297 @Override 15298 public void clearApplicationUserData(final String packageName, 15299 final IPackageDataObserver observer, final int userId) { 15300 mContext.enforceCallingOrSelfPermission( 15301 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 15302 15303 enforceCrossUserPermission(Binder.getCallingUid(), userId, 15304 true /* requireFullPermission */, false /* checkShell */, "clear application data"); 15305 15306 final DevicePolicyManagerInternal dpmi = LocalServices 15307 .getService(DevicePolicyManagerInternal.class); 15308 if (dpmi != null && dpmi.hasDeviceOwnerOrProfileOwner(packageName, userId)) { 15309 throw new SecurityException("Cannot clear data for a device owner or a profile owner"); 15310 } 15311 // Queue up an async operation since the package deletion may take a little while. 15312 mHandler.post(new Runnable() { 15313 public void run() { 15314 mHandler.removeCallbacks(this); 15315 final boolean succeeded; 15316 synchronized (mInstallLock) { 15317 succeeded = clearApplicationUserDataLI(packageName, userId); 15318 } 15319 clearExternalStorageDataSync(packageName, userId, true); 15320 if (succeeded) { 15321 // invoke DeviceStorageMonitor's update method to clear any notifications 15322 DeviceStorageMonitorInternal dsm = LocalServices 15323 .getService(DeviceStorageMonitorInternal.class); 15324 if (dsm != null) { 15325 dsm.checkMemory(); 15326 } 15327 } 15328 if(observer != null) { 15329 try { 15330 observer.onRemoveCompleted(packageName, succeeded); 15331 } catch (RemoteException e) { 15332 Log.i(TAG, "Observer no longer exists."); 15333 } 15334 } //end if observer 15335 } //end run 15336 }); 15337 } 15338 15339 private boolean clearApplicationUserDataLI(String packageName, int userId) { 15340 if (packageName == null) { 15341 Slog.w(TAG, "Attempt to delete null packageName."); 15342 return false; 15343 } 15344 15345 // Try finding details about the requested package 15346 PackageParser.Package pkg; 15347 synchronized (mPackages) { 15348 pkg = mPackages.get(packageName); 15349 if (pkg == null) { 15350 final PackageSetting ps = mSettings.mPackages.get(packageName); 15351 if (ps != null) { 15352 pkg = ps.pkg; 15353 } 15354 } 15355 15356 if (pkg == null) { 15357 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 15358 return false; 15359 } 15360 15361 PackageSetting ps = (PackageSetting) pkg.mExtras; 15362 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 15363 } 15364 15365 // Always delete data directories for package, even if we found no other 15366 // record of app. This helps users recover from UID mismatches without 15367 // resorting to a full data wipe. 15368 // TODO: triage flags as part of 26466827 15369 final int flags = StorageManager.FLAG_STORAGE_CE | StorageManager.FLAG_STORAGE_DE; 15370 try { 15371 mInstaller.clearAppData(pkg.volumeUuid, packageName, userId, flags); 15372 } catch (InstallerException e) { 15373 Slog.w(TAG, "Couldn't remove cache files for package " + packageName, e); 15374 return false; 15375 } 15376 15377 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 15378 removeKeystoreDataIfNeeded(userId, appId); 15379 15380 // Create a native library symlink only if we have native libraries 15381 // and if the native libraries are 32 bit libraries. We do not provide 15382 // this symlink for 64 bit libraries. 15383 if (pkg.applicationInfo.primaryCpuAbi != null && 15384 !VMRuntime.is64BitAbi(pkg.applicationInfo.primaryCpuAbi)) { 15385 final String nativeLibPath = pkg.applicationInfo.nativeLibraryDir; 15386 try { 15387 mInstaller.linkNativeLibraryDirectory(pkg.volumeUuid, pkg.packageName, 15388 nativeLibPath, userId); 15389 } catch (InstallerException e) { 15390 Slog.w(TAG, "Failed linking native library dir", e); 15391 return false; 15392 } 15393 } 15394 15395 return true; 15396 } 15397 15398 /** 15399 * Reverts user permission state changes (permissions and flags) in 15400 * all packages for a given user. 15401 * 15402 * @param userId The device user for which to do a reset. 15403 */ 15404 private void resetUserChangesToRuntimePermissionsAndFlagsLPw(int userId) { 15405 final int packageCount = mPackages.size(); 15406 for (int i = 0; i < packageCount; i++) { 15407 PackageParser.Package pkg = mPackages.valueAt(i); 15408 PackageSetting ps = (PackageSetting) pkg.mExtras; 15409 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 15410 } 15411 } 15412 15413 /** 15414 * Reverts user permission state changes (permissions and flags). 15415 * 15416 * @param ps The package for which to reset. 15417 * @param userId The device user for which to do a reset. 15418 */ 15419 private void resetUserChangesToRuntimePermissionsAndFlagsLPw( 15420 final PackageSetting ps, final int userId) { 15421 if (ps.pkg == null) { 15422 return; 15423 } 15424 15425 // These are flags that can change base on user actions. 15426 final int userSettableMask = FLAG_PERMISSION_USER_SET 15427 | FLAG_PERMISSION_USER_FIXED 15428 | FLAG_PERMISSION_REVOKE_ON_UPGRADE 15429 | FLAG_PERMISSION_REVIEW_REQUIRED; 15430 15431 final int policyOrSystemFlags = FLAG_PERMISSION_SYSTEM_FIXED 15432 | FLAG_PERMISSION_POLICY_FIXED; 15433 15434 boolean writeInstallPermissions = false; 15435 boolean writeRuntimePermissions = false; 15436 15437 final int permissionCount = ps.pkg.requestedPermissions.size(); 15438 for (int i = 0; i < permissionCount; i++) { 15439 String permission = ps.pkg.requestedPermissions.get(i); 15440 15441 BasePermission bp = mSettings.mPermissions.get(permission); 15442 if (bp == null) { 15443 continue; 15444 } 15445 15446 // If shared user we just reset the state to which only this app contributed. 15447 if (ps.sharedUser != null) { 15448 boolean used = false; 15449 final int packageCount = ps.sharedUser.packages.size(); 15450 for (int j = 0; j < packageCount; j++) { 15451 PackageSetting pkg = ps.sharedUser.packages.valueAt(j); 15452 if (pkg.pkg != null && !pkg.pkg.packageName.equals(ps.pkg.packageName) 15453 && pkg.pkg.requestedPermissions.contains(permission)) { 15454 used = true; 15455 break; 15456 } 15457 } 15458 if (used) { 15459 continue; 15460 } 15461 } 15462 15463 PermissionsState permissionsState = ps.getPermissionsState(); 15464 15465 final int oldFlags = permissionsState.getPermissionFlags(bp.name, userId); 15466 15467 // Always clear the user settable flags. 15468 final boolean hasInstallState = permissionsState.getInstallPermissionState( 15469 bp.name) != null; 15470 // If permission review is enabled and this is a legacy app, mark the 15471 // permission as requiring a review as this is the initial state. 15472 int flags = 0; 15473 if (Build.PERMISSIONS_REVIEW_REQUIRED 15474 && ps.pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 15475 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 15476 } 15477 if (permissionsState.updatePermissionFlags(bp, userId, userSettableMask, flags)) { 15478 if (hasInstallState) { 15479 writeInstallPermissions = true; 15480 } else { 15481 writeRuntimePermissions = true; 15482 } 15483 } 15484 15485 // Below is only runtime permission handling. 15486 if (!bp.isRuntime()) { 15487 continue; 15488 } 15489 15490 // Never clobber system or policy. 15491 if ((oldFlags & policyOrSystemFlags) != 0) { 15492 continue; 15493 } 15494 15495 // If this permission was granted by default, make sure it is. 15496 if ((oldFlags & FLAG_PERMISSION_GRANTED_BY_DEFAULT) != 0) { 15497 if (permissionsState.grantRuntimePermission(bp, userId) 15498 != PERMISSION_OPERATION_FAILURE) { 15499 writeRuntimePermissions = true; 15500 } 15501 // If permission review is enabled the permissions for a legacy apps 15502 // are represented as constantly granted runtime ones, so don't revoke. 15503 } else if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 15504 // Otherwise, reset the permission. 15505 final int revokeResult = permissionsState.revokeRuntimePermission(bp, userId); 15506 switch (revokeResult) { 15507 case PERMISSION_OPERATION_SUCCESS: { 15508 writeRuntimePermissions = true; 15509 } break; 15510 15511 case PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 15512 writeRuntimePermissions = true; 15513 final int appId = ps.appId; 15514 mHandler.post(new Runnable() { 15515 @Override 15516 public void run() { 15517 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 15518 } 15519 }); 15520 } break; 15521 } 15522 } 15523 } 15524 15525 // Synchronously write as we are taking permissions away. 15526 if (writeRuntimePermissions) { 15527 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 15528 } 15529 15530 // Synchronously write as we are taking permissions away. 15531 if (writeInstallPermissions) { 15532 mSettings.writeLPr(); 15533 } 15534 } 15535 15536 /** 15537 * Remove entries from the keystore daemon. Will only remove it if the 15538 * {@code appId} is valid. 15539 */ 15540 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 15541 if (appId < 0) { 15542 return; 15543 } 15544 15545 final KeyStore keyStore = KeyStore.getInstance(); 15546 if (keyStore != null) { 15547 if (userId == UserHandle.USER_ALL) { 15548 for (final int individual : sUserManager.getUserIds()) { 15549 keyStore.clearUid(UserHandle.getUid(individual, appId)); 15550 } 15551 } else { 15552 keyStore.clearUid(UserHandle.getUid(userId, appId)); 15553 } 15554 } else { 15555 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 15556 } 15557 } 15558 15559 @Override 15560 public void deleteApplicationCacheFiles(final String packageName, 15561 final IPackageDataObserver observer) { 15562 mContext.enforceCallingOrSelfPermission( 15563 android.Manifest.permission.DELETE_CACHE_FILES, null); 15564 // Queue up an async operation since the package deletion may take a little while. 15565 final int userId = UserHandle.getCallingUserId(); 15566 mHandler.post(new Runnable() { 15567 public void run() { 15568 mHandler.removeCallbacks(this); 15569 final boolean succeded; 15570 synchronized (mInstallLock) { 15571 succeded = deleteApplicationCacheFilesLI(packageName, userId); 15572 } 15573 clearExternalStorageDataSync(packageName, userId, false); 15574 if (observer != null) { 15575 try { 15576 observer.onRemoveCompleted(packageName, succeded); 15577 } catch (RemoteException e) { 15578 Log.i(TAG, "Observer no longer exists."); 15579 } 15580 } //end if observer 15581 } //end run 15582 }); 15583 } 15584 15585 private boolean deleteApplicationCacheFilesLI(String packageName, int userId) { 15586 if (packageName == null) { 15587 Slog.w(TAG, "Attempt to delete null packageName."); 15588 return false; 15589 } 15590 PackageParser.Package p; 15591 synchronized (mPackages) { 15592 p = mPackages.get(packageName); 15593 } 15594 if (p == null) { 15595 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 15596 return false; 15597 } 15598 final ApplicationInfo applicationInfo = p.applicationInfo; 15599 if (applicationInfo == null) { 15600 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 15601 return false; 15602 } 15603 // TODO: triage flags as part of 26466827 15604 final int flags = StorageManager.FLAG_STORAGE_CE | StorageManager.FLAG_STORAGE_DE; 15605 try { 15606 mInstaller.clearAppData(p.volumeUuid, packageName, userId, 15607 flags | Installer.FLAG_CLEAR_CACHE_ONLY); 15608 } catch (InstallerException e) { 15609 Slog.w(TAG, "Couldn't remove cache files for package " 15610 + packageName + " u" + userId, e); 15611 return false; 15612 } 15613 return true; 15614 } 15615 15616 @Override 15617 public void getPackageSizeInfo(final String packageName, int userHandle, 15618 final IPackageStatsObserver observer) { 15619 mContext.enforceCallingOrSelfPermission( 15620 android.Manifest.permission.GET_PACKAGE_SIZE, null); 15621 if (packageName == null) { 15622 throw new IllegalArgumentException("Attempt to get size of null packageName"); 15623 } 15624 15625 PackageStats stats = new PackageStats(packageName, userHandle); 15626 15627 /* 15628 * Queue up an async operation since the package measurement may take a 15629 * little while. 15630 */ 15631 Message msg = mHandler.obtainMessage(INIT_COPY); 15632 msg.obj = new MeasureParams(stats, observer); 15633 mHandler.sendMessage(msg); 15634 } 15635 15636 private boolean getPackageSizeInfoLI(String packageName, int userHandle, 15637 PackageStats pStats) { 15638 if (packageName == null) { 15639 Slog.w(TAG, "Attempt to get size of null packageName."); 15640 return false; 15641 } 15642 PackageParser.Package p; 15643 boolean dataOnly = false; 15644 String libDirRoot = null; 15645 String asecPath = null; 15646 PackageSetting ps = null; 15647 synchronized (mPackages) { 15648 p = mPackages.get(packageName); 15649 ps = mSettings.mPackages.get(packageName); 15650 if(p == null) { 15651 dataOnly = true; 15652 if((ps == null) || (ps.pkg == null)) { 15653 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 15654 return false; 15655 } 15656 p = ps.pkg; 15657 } 15658 if (ps != null) { 15659 libDirRoot = ps.legacyNativeLibraryPathString; 15660 } 15661 if (p != null && (p.isForwardLocked() || p.applicationInfo.isExternalAsec())) { 15662 final long token = Binder.clearCallingIdentity(); 15663 try { 15664 String secureContainerId = cidFromCodePath(p.applicationInfo.getBaseCodePath()); 15665 if (secureContainerId != null) { 15666 asecPath = PackageHelper.getSdFilesystem(secureContainerId); 15667 } 15668 } finally { 15669 Binder.restoreCallingIdentity(token); 15670 } 15671 } 15672 } 15673 String publicSrcDir = null; 15674 if(!dataOnly) { 15675 final ApplicationInfo applicationInfo = p.applicationInfo; 15676 if (applicationInfo == null) { 15677 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 15678 return false; 15679 } 15680 if (p.isForwardLocked()) { 15681 publicSrcDir = applicationInfo.getBaseResourcePath(); 15682 } 15683 } 15684 // TODO: extend to measure size of split APKs 15685 // TODO(multiArch): Extend getSizeInfo to look at the full subdirectory tree, 15686 // not just the first level. 15687 // TODO(multiArch): Extend getSizeInfo to look at *all* instruction sets, not 15688 // just the primary. 15689 String[] dexCodeInstructionSets = getDexCodeInstructionSets(getAppDexInstructionSets(ps)); 15690 15691 String apkPath; 15692 File packageDir = new File(p.codePath); 15693 15694 if (packageDir.isDirectory() && p.canHaveOatDir()) { 15695 apkPath = packageDir.getAbsolutePath(); 15696 // If libDirRoot is inside a package dir, set it to null to avoid it being counted twice 15697 if (libDirRoot != null && libDirRoot.startsWith(apkPath)) { 15698 libDirRoot = null; 15699 } 15700 } else { 15701 apkPath = p.baseCodePath; 15702 } 15703 15704 // TODO: triage flags as part of 26466827 15705 final int flags = StorageManager.FLAG_STORAGE_CE | StorageManager.FLAG_STORAGE_DE; 15706 try { 15707 mInstaller.getAppSize(p.volumeUuid, packageName, userHandle, flags, apkPath, 15708 libDirRoot, publicSrcDir, asecPath, dexCodeInstructionSets, pStats); 15709 } catch (InstallerException e) { 15710 return false; 15711 } 15712 15713 // Fix-up for forward-locked applications in ASEC containers. 15714 if (!isExternal(p)) { 15715 pStats.codeSize += pStats.externalCodeSize; 15716 pStats.externalCodeSize = 0L; 15717 } 15718 15719 return true; 15720 } 15721 15722 private int getUidTargetSdkVersionLockedLPr(int uid) { 15723 Object obj = mSettings.getUserIdLPr(uid); 15724 if (obj instanceof SharedUserSetting) { 15725 final SharedUserSetting sus = (SharedUserSetting) obj; 15726 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 15727 final Iterator<PackageSetting> it = sus.packages.iterator(); 15728 while (it.hasNext()) { 15729 final PackageSetting ps = it.next(); 15730 if (ps.pkg != null) { 15731 int v = ps.pkg.applicationInfo.targetSdkVersion; 15732 if (v < vers) vers = v; 15733 } 15734 } 15735 return vers; 15736 } else if (obj instanceof PackageSetting) { 15737 final PackageSetting ps = (PackageSetting) obj; 15738 if (ps.pkg != null) { 15739 return ps.pkg.applicationInfo.targetSdkVersion; 15740 } 15741 } 15742 return Build.VERSION_CODES.CUR_DEVELOPMENT; 15743 } 15744 15745 @Override 15746 public void addPreferredActivity(IntentFilter filter, int match, 15747 ComponentName[] set, ComponentName activity, int userId) { 15748 addPreferredActivityInternal(filter, match, set, activity, true, userId, 15749 "Adding preferred"); 15750 } 15751 15752 private void addPreferredActivityInternal(IntentFilter filter, int match, 15753 ComponentName[] set, ComponentName activity, boolean always, int userId, 15754 String opname) { 15755 // writer 15756 int callingUid = Binder.getCallingUid(); 15757 enforceCrossUserPermission(callingUid, userId, 15758 true /* requireFullPermission */, false /* checkShell */, "add preferred activity"); 15759 if (filter.countActions() == 0) { 15760 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 15761 return; 15762 } 15763 synchronized (mPackages) { 15764 if (mContext.checkCallingOrSelfPermission( 15765 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 15766 != PackageManager.PERMISSION_GRANTED) { 15767 if (getUidTargetSdkVersionLockedLPr(callingUid) 15768 < Build.VERSION_CODES.FROYO) { 15769 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 15770 + callingUid); 15771 return; 15772 } 15773 mContext.enforceCallingOrSelfPermission( 15774 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 15775 } 15776 15777 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 15778 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 15779 + userId + ":"); 15780 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 15781 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 15782 scheduleWritePackageRestrictionsLocked(userId); 15783 } 15784 } 15785 15786 @Override 15787 public void replacePreferredActivity(IntentFilter filter, int match, 15788 ComponentName[] set, ComponentName activity, int userId) { 15789 if (filter.countActions() != 1) { 15790 throw new IllegalArgumentException( 15791 "replacePreferredActivity expects filter to have only 1 action."); 15792 } 15793 if (filter.countDataAuthorities() != 0 15794 || filter.countDataPaths() != 0 15795 || filter.countDataSchemes() > 1 15796 || filter.countDataTypes() != 0) { 15797 throw new IllegalArgumentException( 15798 "replacePreferredActivity expects filter to have no data authorities, " + 15799 "paths, or types; and at most one scheme."); 15800 } 15801 15802 final int callingUid = Binder.getCallingUid(); 15803 enforceCrossUserPermission(callingUid, userId, 15804 true /* requireFullPermission */, false /* checkShell */, 15805 "replace preferred activity"); 15806 synchronized (mPackages) { 15807 if (mContext.checkCallingOrSelfPermission( 15808 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 15809 != PackageManager.PERMISSION_GRANTED) { 15810 if (getUidTargetSdkVersionLockedLPr(callingUid) 15811 < Build.VERSION_CODES.FROYO) { 15812 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 15813 + Binder.getCallingUid()); 15814 return; 15815 } 15816 mContext.enforceCallingOrSelfPermission( 15817 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 15818 } 15819 15820 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 15821 if (pir != null) { 15822 // Get all of the existing entries that exactly match this filter. 15823 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 15824 if (existing != null && existing.size() == 1) { 15825 PreferredActivity cur = existing.get(0); 15826 if (DEBUG_PREFERRED) { 15827 Slog.i(TAG, "Checking replace of preferred:"); 15828 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 15829 if (!cur.mPref.mAlways) { 15830 Slog.i(TAG, " -- CUR; not mAlways!"); 15831 } else { 15832 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 15833 Slog.i(TAG, " -- CUR: mSet=" 15834 + Arrays.toString(cur.mPref.mSetComponents)); 15835 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 15836 Slog.i(TAG, " -- NEW: mMatch=" 15837 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 15838 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 15839 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 15840 } 15841 } 15842 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 15843 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 15844 && cur.mPref.sameSet(set)) { 15845 // Setting the preferred activity to what it happens to be already 15846 if (DEBUG_PREFERRED) { 15847 Slog.i(TAG, "Replacing with same preferred activity " 15848 + cur.mPref.mShortComponent + " for user " 15849 + userId + ":"); 15850 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 15851 } 15852 return; 15853 } 15854 } 15855 15856 if (existing != null) { 15857 if (DEBUG_PREFERRED) { 15858 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 15859 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 15860 } 15861 for (int i = 0; i < existing.size(); i++) { 15862 PreferredActivity pa = existing.get(i); 15863 if (DEBUG_PREFERRED) { 15864 Slog.i(TAG, "Removing existing preferred activity " 15865 + pa.mPref.mComponent + ":"); 15866 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 15867 } 15868 pir.removeFilter(pa); 15869 } 15870 } 15871 } 15872 addPreferredActivityInternal(filter, match, set, activity, true, userId, 15873 "Replacing preferred"); 15874 } 15875 } 15876 15877 @Override 15878 public void clearPackagePreferredActivities(String packageName) { 15879 final int uid = Binder.getCallingUid(); 15880 // writer 15881 synchronized (mPackages) { 15882 PackageParser.Package pkg = mPackages.get(packageName); 15883 if (pkg == null || pkg.applicationInfo.uid != uid) { 15884 if (mContext.checkCallingOrSelfPermission( 15885 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 15886 != PackageManager.PERMISSION_GRANTED) { 15887 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 15888 < Build.VERSION_CODES.FROYO) { 15889 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 15890 + Binder.getCallingUid()); 15891 return; 15892 } 15893 mContext.enforceCallingOrSelfPermission( 15894 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 15895 } 15896 } 15897 15898 int user = UserHandle.getCallingUserId(); 15899 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 15900 scheduleWritePackageRestrictionsLocked(user); 15901 } 15902 } 15903 } 15904 15905 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 15906 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 15907 ArrayList<PreferredActivity> removed = null; 15908 boolean changed = false; 15909 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 15910 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 15911 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 15912 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 15913 continue; 15914 } 15915 Iterator<PreferredActivity> it = pir.filterIterator(); 15916 while (it.hasNext()) { 15917 PreferredActivity pa = it.next(); 15918 // Mark entry for removal only if it matches the package name 15919 // and the entry is of type "always". 15920 if (packageName == null || 15921 (pa.mPref.mComponent.getPackageName().equals(packageName) 15922 && pa.mPref.mAlways)) { 15923 if (removed == null) { 15924 removed = new ArrayList<PreferredActivity>(); 15925 } 15926 removed.add(pa); 15927 } 15928 } 15929 if (removed != null) { 15930 for (int j=0; j<removed.size(); j++) { 15931 PreferredActivity pa = removed.get(j); 15932 pir.removeFilter(pa); 15933 } 15934 changed = true; 15935 } 15936 } 15937 return changed; 15938 } 15939 15940 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 15941 private void clearIntentFilterVerificationsLPw(int userId) { 15942 final int packageCount = mPackages.size(); 15943 for (int i = 0; i < packageCount; i++) { 15944 PackageParser.Package pkg = mPackages.valueAt(i); 15945 clearIntentFilterVerificationsLPw(pkg.packageName, userId); 15946 } 15947 } 15948 15949 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 15950 void clearIntentFilterVerificationsLPw(String packageName, int userId) { 15951 if (userId == UserHandle.USER_ALL) { 15952 if (mSettings.removeIntentFilterVerificationLPw(packageName, 15953 sUserManager.getUserIds())) { 15954 for (int oneUserId : sUserManager.getUserIds()) { 15955 scheduleWritePackageRestrictionsLocked(oneUserId); 15956 } 15957 } 15958 } else { 15959 if (mSettings.removeIntentFilterVerificationLPw(packageName, userId)) { 15960 scheduleWritePackageRestrictionsLocked(userId); 15961 } 15962 } 15963 } 15964 15965 void clearDefaultBrowserIfNeeded(String packageName) { 15966 for (int oneUserId : sUserManager.getUserIds()) { 15967 String defaultBrowserPackageName = getDefaultBrowserPackageName(oneUserId); 15968 if (TextUtils.isEmpty(defaultBrowserPackageName)) continue; 15969 if (packageName.equals(defaultBrowserPackageName)) { 15970 setDefaultBrowserPackageName(null, oneUserId); 15971 } 15972 } 15973 } 15974 15975 @Override 15976 public void resetApplicationPreferences(int userId) { 15977 mContext.enforceCallingOrSelfPermission( 15978 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 15979 // writer 15980 synchronized (mPackages) { 15981 final long identity = Binder.clearCallingIdentity(); 15982 try { 15983 clearPackagePreferredActivitiesLPw(null, userId); 15984 mSettings.applyDefaultPreferredAppsLPw(this, userId); 15985 // TODO: We have to reset the default SMS and Phone. This requires 15986 // significant refactoring to keep all default apps in the package 15987 // manager (cleaner but more work) or have the services provide 15988 // callbacks to the package manager to request a default app reset. 15989 applyFactoryDefaultBrowserLPw(userId); 15990 clearIntentFilterVerificationsLPw(userId); 15991 primeDomainVerificationsLPw(userId); 15992 resetUserChangesToRuntimePermissionsAndFlagsLPw(userId); 15993 scheduleWritePackageRestrictionsLocked(userId); 15994 } finally { 15995 Binder.restoreCallingIdentity(identity); 15996 } 15997 } 15998 } 15999 16000 @Override 16001 public int getPreferredActivities(List<IntentFilter> outFilters, 16002 List<ComponentName> outActivities, String packageName) { 16003 16004 int num = 0; 16005 final int userId = UserHandle.getCallingUserId(); 16006 // reader 16007 synchronized (mPackages) { 16008 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 16009 if (pir != null) { 16010 final Iterator<PreferredActivity> it = pir.filterIterator(); 16011 while (it.hasNext()) { 16012 final PreferredActivity pa = it.next(); 16013 if (packageName == null 16014 || (pa.mPref.mComponent.getPackageName().equals(packageName) 16015 && pa.mPref.mAlways)) { 16016 if (outFilters != null) { 16017 outFilters.add(new IntentFilter(pa)); 16018 } 16019 if (outActivities != null) { 16020 outActivities.add(pa.mPref.mComponent); 16021 } 16022 } 16023 } 16024 } 16025 } 16026 16027 return num; 16028 } 16029 16030 @Override 16031 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 16032 int userId) { 16033 int callingUid = Binder.getCallingUid(); 16034 if (callingUid != Process.SYSTEM_UID) { 16035 throw new SecurityException( 16036 "addPersistentPreferredActivity can only be run by the system"); 16037 } 16038 if (filter.countActions() == 0) { 16039 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 16040 return; 16041 } 16042 synchronized (mPackages) { 16043 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 16044 ":"); 16045 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16046 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 16047 new PersistentPreferredActivity(filter, activity)); 16048 scheduleWritePackageRestrictionsLocked(userId); 16049 } 16050 } 16051 16052 @Override 16053 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 16054 int callingUid = Binder.getCallingUid(); 16055 if (callingUid != Process.SYSTEM_UID) { 16056 throw new SecurityException( 16057 "clearPackagePersistentPreferredActivities can only be run by the system"); 16058 } 16059 ArrayList<PersistentPreferredActivity> removed = null; 16060 boolean changed = false; 16061 synchronized (mPackages) { 16062 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 16063 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 16064 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 16065 .valueAt(i); 16066 if (userId != thisUserId) { 16067 continue; 16068 } 16069 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 16070 while (it.hasNext()) { 16071 PersistentPreferredActivity ppa = it.next(); 16072 // Mark entry for removal only if it matches the package name. 16073 if (ppa.mComponent.getPackageName().equals(packageName)) { 16074 if (removed == null) { 16075 removed = new ArrayList<PersistentPreferredActivity>(); 16076 } 16077 removed.add(ppa); 16078 } 16079 } 16080 if (removed != null) { 16081 for (int j=0; j<removed.size(); j++) { 16082 PersistentPreferredActivity ppa = removed.get(j); 16083 ppir.removeFilter(ppa); 16084 } 16085 changed = true; 16086 } 16087 } 16088 16089 if (changed) { 16090 scheduleWritePackageRestrictionsLocked(userId); 16091 } 16092 } 16093 } 16094 16095 /** 16096 * Common machinery for picking apart a restored XML blob and passing 16097 * it to a caller-supplied functor to be applied to the running system. 16098 */ 16099 private void restoreFromXml(XmlPullParser parser, int userId, 16100 String expectedStartTag, BlobXmlRestorer functor) 16101 throws IOException, XmlPullParserException { 16102 int type; 16103 while ((type = parser.next()) != XmlPullParser.START_TAG 16104 && type != XmlPullParser.END_DOCUMENT) { 16105 } 16106 if (type != XmlPullParser.START_TAG) { 16107 // oops didn't find a start tag?! 16108 if (DEBUG_BACKUP) { 16109 Slog.e(TAG, "Didn't find start tag during restore"); 16110 } 16111 return; 16112 } 16113Slog.v(TAG, ":: restoreFromXml() : got to tag " + parser.getName()); 16114 // this is supposed to be TAG_PREFERRED_BACKUP 16115 if (!expectedStartTag.equals(parser.getName())) { 16116 if (DEBUG_BACKUP) { 16117 Slog.e(TAG, "Found unexpected tag " + parser.getName()); 16118 } 16119 return; 16120 } 16121 16122 // skip interfering stuff, then we're aligned with the backing implementation 16123 while ((type = parser.next()) == XmlPullParser.TEXT) { } 16124Slog.v(TAG, ":: stepped forward, applying functor at tag " + parser.getName()); 16125 functor.apply(parser, userId); 16126 } 16127 16128 private interface BlobXmlRestorer { 16129 public void apply(XmlPullParser parser, int userId) throws IOException, XmlPullParserException; 16130 } 16131 16132 /** 16133 * Non-Binder method, support for the backup/restore mechanism: write the 16134 * full set of preferred activities in its canonical XML format. Returns the 16135 * XML output as a byte array, or null if there is none. 16136 */ 16137 @Override 16138 public byte[] getPreferredActivityBackup(int userId) { 16139 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16140 throw new SecurityException("Only the system may call getPreferredActivityBackup()"); 16141 } 16142 16143 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 16144 try { 16145 final XmlSerializer serializer = new FastXmlSerializer(); 16146 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 16147 serializer.startDocument(null, true); 16148 serializer.startTag(null, TAG_PREFERRED_BACKUP); 16149 16150 synchronized (mPackages) { 16151 mSettings.writePreferredActivitiesLPr(serializer, userId, true); 16152 } 16153 16154 serializer.endTag(null, TAG_PREFERRED_BACKUP); 16155 serializer.endDocument(); 16156 serializer.flush(); 16157 } catch (Exception e) { 16158 if (DEBUG_BACKUP) { 16159 Slog.e(TAG, "Unable to write preferred activities for backup", e); 16160 } 16161 return null; 16162 } 16163 16164 return dataStream.toByteArray(); 16165 } 16166 16167 @Override 16168 public void restorePreferredActivities(byte[] backup, int userId) { 16169 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16170 throw new SecurityException("Only the system may call restorePreferredActivities()"); 16171 } 16172 16173 try { 16174 final XmlPullParser parser = Xml.newPullParser(); 16175 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 16176 restoreFromXml(parser, userId, TAG_PREFERRED_BACKUP, 16177 new BlobXmlRestorer() { 16178 @Override 16179 public void apply(XmlPullParser parser, int userId) 16180 throws XmlPullParserException, IOException { 16181 synchronized (mPackages) { 16182 mSettings.readPreferredActivitiesLPw(parser, userId); 16183 } 16184 } 16185 } ); 16186 } catch (Exception e) { 16187 if (DEBUG_BACKUP) { 16188 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 16189 } 16190 } 16191 } 16192 16193 /** 16194 * Non-Binder method, support for the backup/restore mechanism: write the 16195 * default browser (etc) settings in its canonical XML format. Returns the default 16196 * browser XML representation as a byte array, or null if there is none. 16197 */ 16198 @Override 16199 public byte[] getDefaultAppsBackup(int userId) { 16200 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16201 throw new SecurityException("Only the system may call getDefaultAppsBackup()"); 16202 } 16203 16204 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 16205 try { 16206 final XmlSerializer serializer = new FastXmlSerializer(); 16207 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 16208 serializer.startDocument(null, true); 16209 serializer.startTag(null, TAG_DEFAULT_APPS); 16210 16211 synchronized (mPackages) { 16212 mSettings.writeDefaultAppsLPr(serializer, userId); 16213 } 16214 16215 serializer.endTag(null, TAG_DEFAULT_APPS); 16216 serializer.endDocument(); 16217 serializer.flush(); 16218 } catch (Exception e) { 16219 if (DEBUG_BACKUP) { 16220 Slog.e(TAG, "Unable to write default apps for backup", e); 16221 } 16222 return null; 16223 } 16224 16225 return dataStream.toByteArray(); 16226 } 16227 16228 @Override 16229 public void restoreDefaultApps(byte[] backup, int userId) { 16230 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16231 throw new SecurityException("Only the system may call restoreDefaultApps()"); 16232 } 16233 16234 try { 16235 final XmlPullParser parser = Xml.newPullParser(); 16236 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 16237 restoreFromXml(parser, userId, TAG_DEFAULT_APPS, 16238 new BlobXmlRestorer() { 16239 @Override 16240 public void apply(XmlPullParser parser, int userId) 16241 throws XmlPullParserException, IOException { 16242 synchronized (mPackages) { 16243 mSettings.readDefaultAppsLPw(parser, userId); 16244 } 16245 } 16246 } ); 16247 } catch (Exception e) { 16248 if (DEBUG_BACKUP) { 16249 Slog.e(TAG, "Exception restoring default apps: " + e.getMessage()); 16250 } 16251 } 16252 } 16253 16254 @Override 16255 public byte[] getIntentFilterVerificationBackup(int userId) { 16256 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16257 throw new SecurityException("Only the system may call getIntentFilterVerificationBackup()"); 16258 } 16259 16260 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 16261 try { 16262 final XmlSerializer serializer = new FastXmlSerializer(); 16263 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 16264 serializer.startDocument(null, true); 16265 serializer.startTag(null, TAG_INTENT_FILTER_VERIFICATION); 16266 16267 synchronized (mPackages) { 16268 mSettings.writeAllDomainVerificationsLPr(serializer, userId); 16269 } 16270 16271 serializer.endTag(null, TAG_INTENT_FILTER_VERIFICATION); 16272 serializer.endDocument(); 16273 serializer.flush(); 16274 } catch (Exception e) { 16275 if (DEBUG_BACKUP) { 16276 Slog.e(TAG, "Unable to write default apps for backup", e); 16277 } 16278 return null; 16279 } 16280 16281 return dataStream.toByteArray(); 16282 } 16283 16284 @Override 16285 public void restoreIntentFilterVerification(byte[] backup, int userId) { 16286 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16287 throw new SecurityException("Only the system may call restorePreferredActivities()"); 16288 } 16289 16290 try { 16291 final XmlPullParser parser = Xml.newPullParser(); 16292 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 16293 restoreFromXml(parser, userId, TAG_INTENT_FILTER_VERIFICATION, 16294 new BlobXmlRestorer() { 16295 @Override 16296 public void apply(XmlPullParser parser, int userId) 16297 throws XmlPullParserException, IOException { 16298 synchronized (mPackages) { 16299 mSettings.readAllDomainVerificationsLPr(parser, userId); 16300 mSettings.writeLPr(); 16301 } 16302 } 16303 } ); 16304 } catch (Exception e) { 16305 if (DEBUG_BACKUP) { 16306 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 16307 } 16308 } 16309 } 16310 16311 @Override 16312 public byte[] getPermissionGrantBackup(int userId) { 16313 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16314 throw new SecurityException("Only the system may call getPermissionGrantBackup()"); 16315 } 16316 16317 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 16318 try { 16319 final XmlSerializer serializer = new FastXmlSerializer(); 16320 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 16321 serializer.startDocument(null, true); 16322 serializer.startTag(null, TAG_PERMISSION_BACKUP); 16323 16324 synchronized (mPackages) { 16325 serializeRuntimePermissionGrantsLPr(serializer, userId); 16326 } 16327 16328 serializer.endTag(null, TAG_PERMISSION_BACKUP); 16329 serializer.endDocument(); 16330 serializer.flush(); 16331 } catch (Exception e) { 16332 if (DEBUG_BACKUP) { 16333 Slog.e(TAG, "Unable to write default apps for backup", e); 16334 } 16335 return null; 16336 } 16337 16338 return dataStream.toByteArray(); 16339 } 16340 16341 @Override 16342 public void restorePermissionGrants(byte[] backup, int userId) { 16343 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16344 throw new SecurityException("Only the system may call restorePermissionGrants()"); 16345 } 16346 16347 try { 16348 final XmlPullParser parser = Xml.newPullParser(); 16349 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 16350 restoreFromXml(parser, userId, TAG_PERMISSION_BACKUP, 16351 new BlobXmlRestorer() { 16352 @Override 16353 public void apply(XmlPullParser parser, int userId) 16354 throws XmlPullParserException, IOException { 16355 synchronized (mPackages) { 16356 processRestoredPermissionGrantsLPr(parser, userId); 16357 } 16358 } 16359 } ); 16360 } catch (Exception e) { 16361 if (DEBUG_BACKUP) { 16362 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 16363 } 16364 } 16365 } 16366 16367 private void serializeRuntimePermissionGrantsLPr(XmlSerializer serializer, final int userId) 16368 throws IOException { 16369 serializer.startTag(null, TAG_ALL_GRANTS); 16370 16371 final int N = mSettings.mPackages.size(); 16372 for (int i = 0; i < N; i++) { 16373 final PackageSetting ps = mSettings.mPackages.valueAt(i); 16374 boolean pkgGrantsKnown = false; 16375 16376 PermissionsState packagePerms = ps.getPermissionsState(); 16377 16378 for (PermissionState state : packagePerms.getRuntimePermissionStates(userId)) { 16379 final int grantFlags = state.getFlags(); 16380 // only look at grants that are not system/policy fixed 16381 if ((grantFlags & SYSTEM_RUNTIME_GRANT_MASK) == 0) { 16382 final boolean isGranted = state.isGranted(); 16383 // And only back up the user-twiddled state bits 16384 if (isGranted || (grantFlags & USER_RUNTIME_GRANT_MASK) != 0) { 16385 final String packageName = mSettings.mPackages.keyAt(i); 16386 if (!pkgGrantsKnown) { 16387 serializer.startTag(null, TAG_GRANT); 16388 serializer.attribute(null, ATTR_PACKAGE_NAME, packageName); 16389 pkgGrantsKnown = true; 16390 } 16391 16392 final boolean userSet = 16393 (grantFlags & FLAG_PERMISSION_USER_SET) != 0; 16394 final boolean userFixed = 16395 (grantFlags & FLAG_PERMISSION_USER_FIXED) != 0; 16396 final boolean revoke = 16397 (grantFlags & FLAG_PERMISSION_REVOKE_ON_UPGRADE) != 0; 16398 16399 serializer.startTag(null, TAG_PERMISSION); 16400 serializer.attribute(null, ATTR_PERMISSION_NAME, state.getName()); 16401 if (isGranted) { 16402 serializer.attribute(null, ATTR_IS_GRANTED, "true"); 16403 } 16404 if (userSet) { 16405 serializer.attribute(null, ATTR_USER_SET, "true"); 16406 } 16407 if (userFixed) { 16408 serializer.attribute(null, ATTR_USER_FIXED, "true"); 16409 } 16410 if (revoke) { 16411 serializer.attribute(null, ATTR_REVOKE_ON_UPGRADE, "true"); 16412 } 16413 serializer.endTag(null, TAG_PERMISSION); 16414 } 16415 } 16416 } 16417 16418 if (pkgGrantsKnown) { 16419 serializer.endTag(null, TAG_GRANT); 16420 } 16421 } 16422 16423 serializer.endTag(null, TAG_ALL_GRANTS); 16424 } 16425 16426 private void processRestoredPermissionGrantsLPr(XmlPullParser parser, int userId) 16427 throws XmlPullParserException, IOException { 16428 String pkgName = null; 16429 int outerDepth = parser.getDepth(); 16430 int type; 16431 while ((type = parser.next()) != XmlPullParser.END_DOCUMENT 16432 && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 16433 if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 16434 continue; 16435 } 16436 16437 final String tagName = parser.getName(); 16438 if (tagName.equals(TAG_GRANT)) { 16439 pkgName = parser.getAttributeValue(null, ATTR_PACKAGE_NAME); 16440 if (DEBUG_BACKUP) { 16441 Slog.v(TAG, "+++ Restoring grants for package " + pkgName); 16442 } 16443 } else if (tagName.equals(TAG_PERMISSION)) { 16444 16445 final boolean isGranted = "true".equals(parser.getAttributeValue(null, ATTR_IS_GRANTED)); 16446 final String permName = parser.getAttributeValue(null, ATTR_PERMISSION_NAME); 16447 16448 int newFlagSet = 0; 16449 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_SET))) { 16450 newFlagSet |= FLAG_PERMISSION_USER_SET; 16451 } 16452 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_FIXED))) { 16453 newFlagSet |= FLAG_PERMISSION_USER_FIXED; 16454 } 16455 if ("true".equals(parser.getAttributeValue(null, ATTR_REVOKE_ON_UPGRADE))) { 16456 newFlagSet |= FLAG_PERMISSION_REVOKE_ON_UPGRADE; 16457 } 16458 if (DEBUG_BACKUP) { 16459 Slog.v(TAG, " + Restoring grant: pkg=" + pkgName + " perm=" + permName 16460 + " granted=" + isGranted + " bits=0x" + Integer.toHexString(newFlagSet)); 16461 } 16462 final PackageSetting ps = mSettings.mPackages.get(pkgName); 16463 if (ps != null) { 16464 // Already installed so we apply the grant immediately 16465 if (DEBUG_BACKUP) { 16466 Slog.v(TAG, " + already installed; applying"); 16467 } 16468 PermissionsState perms = ps.getPermissionsState(); 16469 BasePermission bp = mSettings.mPermissions.get(permName); 16470 if (bp != null) { 16471 if (isGranted) { 16472 perms.grantRuntimePermission(bp, userId); 16473 } 16474 if (newFlagSet != 0) { 16475 perms.updatePermissionFlags(bp, userId, USER_RUNTIME_GRANT_MASK, newFlagSet); 16476 } 16477 } 16478 } else { 16479 // Need to wait for post-restore install to apply the grant 16480 if (DEBUG_BACKUP) { 16481 Slog.v(TAG, " - not yet installed; saving for later"); 16482 } 16483 mSettings.processRestoredPermissionGrantLPr(pkgName, permName, 16484 isGranted, newFlagSet, userId); 16485 } 16486 } else { 16487 PackageManagerService.reportSettingsProblem(Log.WARN, 16488 "Unknown element under <" + TAG_PERMISSION_BACKUP + ">: " + tagName); 16489 XmlUtils.skipCurrentTag(parser); 16490 } 16491 } 16492 16493 scheduleWriteSettingsLocked(); 16494 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 16495 } 16496 16497 @Override 16498 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 16499 int sourceUserId, int targetUserId, int flags) { 16500 mContext.enforceCallingOrSelfPermission( 16501 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 16502 int callingUid = Binder.getCallingUid(); 16503 enforceOwnerRights(ownerPackage, callingUid); 16504 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 16505 if (intentFilter.countActions() == 0) { 16506 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 16507 return; 16508 } 16509 synchronized (mPackages) { 16510 CrossProfileIntentFilter newFilter = new CrossProfileIntentFilter(intentFilter, 16511 ownerPackage, targetUserId, flags); 16512 CrossProfileIntentResolver resolver = 16513 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 16514 ArrayList<CrossProfileIntentFilter> existing = resolver.findFilters(intentFilter); 16515 // We have all those whose filter is equal. Now checking if the rest is equal as well. 16516 if (existing != null) { 16517 int size = existing.size(); 16518 for (int i = 0; i < size; i++) { 16519 if (newFilter.equalsIgnoreFilter(existing.get(i))) { 16520 return; 16521 } 16522 } 16523 } 16524 resolver.addFilter(newFilter); 16525 scheduleWritePackageRestrictionsLocked(sourceUserId); 16526 } 16527 } 16528 16529 @Override 16530 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage) { 16531 mContext.enforceCallingOrSelfPermission( 16532 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 16533 int callingUid = Binder.getCallingUid(); 16534 enforceOwnerRights(ownerPackage, callingUid); 16535 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 16536 synchronized (mPackages) { 16537 CrossProfileIntentResolver resolver = 16538 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 16539 ArraySet<CrossProfileIntentFilter> set = 16540 new ArraySet<CrossProfileIntentFilter>(resolver.filterSet()); 16541 for (CrossProfileIntentFilter filter : set) { 16542 if (filter.getOwnerPackage().equals(ownerPackage)) { 16543 resolver.removeFilter(filter); 16544 } 16545 } 16546 scheduleWritePackageRestrictionsLocked(sourceUserId); 16547 } 16548 } 16549 16550 // Enforcing that callingUid is owning pkg on userId 16551 private void enforceOwnerRights(String pkg, int callingUid) { 16552 // The system owns everything. 16553 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 16554 return; 16555 } 16556 int callingUserId = UserHandle.getUserId(callingUid); 16557 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 16558 if (pi == null) { 16559 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 16560 + callingUserId); 16561 } 16562 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 16563 throw new SecurityException("Calling uid " + callingUid 16564 + " does not own package " + pkg); 16565 } 16566 } 16567 16568 @Override 16569 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 16570 return getHomeActivitiesAsUser(allHomeCandidates, UserHandle.getCallingUserId()); 16571 } 16572 16573 private Intent getHomeIntent() { 16574 Intent intent = new Intent(Intent.ACTION_MAIN); 16575 intent.addCategory(Intent.CATEGORY_HOME); 16576 return intent; 16577 } 16578 16579 private IntentFilter getHomeFilter() { 16580 IntentFilter filter = new IntentFilter(Intent.ACTION_MAIN); 16581 filter.addCategory(Intent.CATEGORY_HOME); 16582 filter.addCategory(Intent.CATEGORY_DEFAULT); 16583 return filter; 16584 } 16585 16586 ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 16587 int userId) { 16588 Intent intent = getHomeIntent(); 16589 List<ResolveInfo> list = queryIntentActivitiesInternal(intent, null, 16590 PackageManager.GET_META_DATA, userId); 16591 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 16592 true, false, false, userId); 16593 16594 allHomeCandidates.clear(); 16595 if (list != null) { 16596 for (ResolveInfo ri : list) { 16597 allHomeCandidates.add(ri); 16598 } 16599 } 16600 return (preferred == null || preferred.activityInfo == null) 16601 ? null 16602 : new ComponentName(preferred.activityInfo.packageName, 16603 preferred.activityInfo.name); 16604 } 16605 16606 @Override 16607 public void setHomeActivity(ComponentName comp, int userId) { 16608 ArrayList<ResolveInfo> homeActivities = new ArrayList<>(); 16609 getHomeActivitiesAsUser(homeActivities, userId); 16610 16611 boolean found = false; 16612 16613 final int size = homeActivities.size(); 16614 final ComponentName[] set = new ComponentName[size]; 16615 for (int i = 0; i < size; i++) { 16616 final ResolveInfo candidate = homeActivities.get(i); 16617 final ActivityInfo info = candidate.activityInfo; 16618 final ComponentName activityName = new ComponentName(info.packageName, info.name); 16619 set[i] = activityName; 16620 if (!found && activityName.equals(comp)) { 16621 found = true; 16622 } 16623 } 16624 if (!found) { 16625 throw new IllegalArgumentException("Component " + comp + " cannot be home on user " 16626 + userId); 16627 } 16628 replacePreferredActivity(getHomeFilter(), IntentFilter.MATCH_CATEGORY_EMPTY, 16629 set, comp, userId); 16630 } 16631 16632 @Override 16633 public void setApplicationEnabledSetting(String appPackageName, 16634 int newState, int flags, int userId, String callingPackage) { 16635 if (!sUserManager.exists(userId)) return; 16636 if (callingPackage == null) { 16637 callingPackage = Integer.toString(Binder.getCallingUid()); 16638 } 16639 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 16640 } 16641 16642 @Override 16643 public void setComponentEnabledSetting(ComponentName componentName, 16644 int newState, int flags, int userId) { 16645 if (!sUserManager.exists(userId)) return; 16646 setEnabledSetting(componentName.getPackageName(), 16647 componentName.getClassName(), newState, flags, userId, null); 16648 } 16649 16650 private void setEnabledSetting(final String packageName, String className, int newState, 16651 final int flags, int userId, String callingPackage) { 16652 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 16653 || newState == COMPONENT_ENABLED_STATE_ENABLED 16654 || newState == COMPONENT_ENABLED_STATE_DISABLED 16655 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 16656 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 16657 throw new IllegalArgumentException("Invalid new component state: " 16658 + newState); 16659 } 16660 PackageSetting pkgSetting; 16661 final int uid = Binder.getCallingUid(); 16662 final int permission = mContext.checkCallingOrSelfPermission( 16663 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 16664 enforceCrossUserPermission(uid, userId, 16665 false /* requireFullPermission */, true /* checkShell */, "set enabled"); 16666 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 16667 boolean sendNow = false; 16668 boolean isApp = (className == null); 16669 String componentName = isApp ? packageName : className; 16670 int packageUid = -1; 16671 ArrayList<String> components; 16672 16673 // writer 16674 synchronized (mPackages) { 16675 pkgSetting = mSettings.mPackages.get(packageName); 16676 if (pkgSetting == null) { 16677 if (className == null) { 16678 throw new IllegalArgumentException("Unknown package: " + packageName); 16679 } 16680 throw new IllegalArgumentException( 16681 "Unknown component: " + packageName + "/" + className); 16682 } 16683 // Allow root and verify that userId is not being specified by a different user 16684 if (!allowedByPermission && !UserHandle.isSameApp(uid, pkgSetting.appId)) { 16685 throw new SecurityException( 16686 "Permission Denial: attempt to change component state from pid=" 16687 + Binder.getCallingPid() 16688 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 16689 } 16690 if (className == null) { 16691 // We're dealing with an application/package level state change 16692 if (pkgSetting.getEnabled(userId) == newState) { 16693 // Nothing to do 16694 return; 16695 } 16696 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 16697 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 16698 // Don't care about who enables an app. 16699 callingPackage = null; 16700 } 16701 pkgSetting.setEnabled(newState, userId, callingPackage); 16702 // pkgSetting.pkg.mSetEnabled = newState; 16703 } else { 16704 // We're dealing with a component level state change 16705 // First, verify that this is a valid class name. 16706 PackageParser.Package pkg = pkgSetting.pkg; 16707 if (pkg == null || !pkg.hasComponentClassName(className)) { 16708 if (pkg != null && 16709 pkg.applicationInfo.targetSdkVersion >= 16710 Build.VERSION_CODES.JELLY_BEAN) { 16711 throw new IllegalArgumentException("Component class " + className 16712 + " does not exist in " + packageName); 16713 } else { 16714 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 16715 + className + " does not exist in " + packageName); 16716 } 16717 } 16718 switch (newState) { 16719 case COMPONENT_ENABLED_STATE_ENABLED: 16720 if (!pkgSetting.enableComponentLPw(className, userId)) { 16721 return; 16722 } 16723 break; 16724 case COMPONENT_ENABLED_STATE_DISABLED: 16725 if (!pkgSetting.disableComponentLPw(className, userId)) { 16726 return; 16727 } 16728 break; 16729 case COMPONENT_ENABLED_STATE_DEFAULT: 16730 if (!pkgSetting.restoreComponentLPw(className, userId)) { 16731 return; 16732 } 16733 break; 16734 default: 16735 Slog.e(TAG, "Invalid new component state: " + newState); 16736 return; 16737 } 16738 } 16739 scheduleWritePackageRestrictionsLocked(userId); 16740 components = mPendingBroadcasts.get(userId, packageName); 16741 final boolean newPackage = components == null; 16742 if (newPackage) { 16743 components = new ArrayList<String>(); 16744 } 16745 if (!components.contains(componentName)) { 16746 components.add(componentName); 16747 } 16748 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 16749 sendNow = true; 16750 // Purge entry from pending broadcast list if another one exists already 16751 // since we are sending one right away. 16752 mPendingBroadcasts.remove(userId, packageName); 16753 } else { 16754 if (newPackage) { 16755 mPendingBroadcasts.put(userId, packageName, components); 16756 } 16757 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 16758 // Schedule a message 16759 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 16760 } 16761 } 16762 } 16763 16764 long callingId = Binder.clearCallingIdentity(); 16765 try { 16766 if (sendNow) { 16767 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 16768 sendPackageChangedBroadcast(packageName, 16769 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 16770 } 16771 } finally { 16772 Binder.restoreCallingIdentity(callingId); 16773 } 16774 } 16775 16776 @Override 16777 public void flushPackageRestrictionsAsUser(int userId) { 16778 if (!sUserManager.exists(userId)) { 16779 return; 16780 } 16781 enforceCrossUserPermission(Binder.getCallingUid(), userId, false /* requireFullPermission*/, 16782 false /* checkShell */, "flushPackageRestrictions"); 16783 synchronized (mPackages) { 16784 mSettings.writePackageRestrictionsLPr(userId); 16785 mDirtyUsers.remove(userId); 16786 if (mDirtyUsers.isEmpty()) { 16787 mHandler.removeMessages(WRITE_PACKAGE_RESTRICTIONS); 16788 } 16789 } 16790 } 16791 16792 private void sendPackageChangedBroadcast(String packageName, 16793 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 16794 if (DEBUG_INSTALL) 16795 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 16796 + componentNames); 16797 Bundle extras = new Bundle(4); 16798 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 16799 String nameList[] = new String[componentNames.size()]; 16800 componentNames.toArray(nameList); 16801 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 16802 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 16803 extras.putInt(Intent.EXTRA_UID, packageUid); 16804 // If this is not reporting a change of the overall package, then only send it 16805 // to registered receivers. We don't want to launch a swath of apps for every 16806 // little component state change. 16807 final int flags = !componentNames.contains(packageName) 16808 ? Intent.FLAG_RECEIVER_REGISTERED_ONLY : 0; 16809 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, flags, null, null, 16810 new int[] {UserHandle.getUserId(packageUid)}); 16811 } 16812 16813 @Override 16814 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 16815 if (!sUserManager.exists(userId)) return; 16816 final int uid = Binder.getCallingUid(); 16817 final int permission = mContext.checkCallingOrSelfPermission( 16818 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 16819 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 16820 enforceCrossUserPermission(uid, userId, 16821 true /* requireFullPermission */, true /* checkShell */, "stop package"); 16822 // writer 16823 synchronized (mPackages) { 16824 if (mSettings.setPackageStoppedStateLPw(this, packageName, stopped, 16825 allowedByPermission, uid, userId)) { 16826 scheduleWritePackageRestrictionsLocked(userId); 16827 } 16828 } 16829 } 16830 16831 @Override 16832 public String getInstallerPackageName(String packageName) { 16833 // reader 16834 synchronized (mPackages) { 16835 return mSettings.getInstallerPackageNameLPr(packageName); 16836 } 16837 } 16838 16839 @Override 16840 public int getApplicationEnabledSetting(String packageName, int userId) { 16841 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 16842 int uid = Binder.getCallingUid(); 16843 enforceCrossUserPermission(uid, userId, 16844 false /* requireFullPermission */, false /* checkShell */, "get enabled"); 16845 // reader 16846 synchronized (mPackages) { 16847 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 16848 } 16849 } 16850 16851 @Override 16852 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 16853 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 16854 int uid = Binder.getCallingUid(); 16855 enforceCrossUserPermission(uid, userId, 16856 false /* requireFullPermission */, false /* checkShell */, "get component enabled"); 16857 // reader 16858 synchronized (mPackages) { 16859 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 16860 } 16861 } 16862 16863 @Override 16864 public void enterSafeMode() { 16865 enforceSystemOrRoot("Only the system can request entering safe mode"); 16866 16867 if (!mSystemReady) { 16868 mSafeMode = true; 16869 } 16870 } 16871 16872 @Override 16873 public void systemReady() { 16874 mSystemReady = true; 16875 16876 // Read the compatibilty setting when the system is ready. 16877 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 16878 mContext.getContentResolver(), 16879 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 16880 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 16881 if (DEBUG_SETTINGS) { 16882 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 16883 } 16884 16885 int[] grantPermissionsUserIds = EMPTY_INT_ARRAY; 16886 16887 synchronized (mPackages) { 16888 // Verify that all of the preferred activity components actually 16889 // exist. It is possible for applications to be updated and at 16890 // that point remove a previously declared activity component that 16891 // had been set as a preferred activity. We try to clean this up 16892 // the next time we encounter that preferred activity, but it is 16893 // possible for the user flow to never be able to return to that 16894 // situation so here we do a sanity check to make sure we haven't 16895 // left any junk around. 16896 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 16897 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 16898 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 16899 removed.clear(); 16900 for (PreferredActivity pa : pir.filterSet()) { 16901 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 16902 removed.add(pa); 16903 } 16904 } 16905 if (removed.size() > 0) { 16906 for (int r=0; r<removed.size(); r++) { 16907 PreferredActivity pa = removed.get(r); 16908 Slog.w(TAG, "Removing dangling preferred activity: " 16909 + pa.mPref.mComponent); 16910 pir.removeFilter(pa); 16911 } 16912 mSettings.writePackageRestrictionsLPr( 16913 mSettings.mPreferredActivities.keyAt(i)); 16914 } 16915 } 16916 16917 for (int userId : UserManagerService.getInstance().getUserIds()) { 16918 if (!mSettings.areDefaultRuntimePermissionsGrantedLPr(userId)) { 16919 grantPermissionsUserIds = ArrayUtils.appendInt( 16920 grantPermissionsUserIds, userId); 16921 } 16922 } 16923 } 16924 sUserManager.systemReady(); 16925 16926 // If we upgraded grant all default permissions before kicking off. 16927 for (int userId : grantPermissionsUserIds) { 16928 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 16929 } 16930 16931 // Kick off any messages waiting for system ready 16932 if (mPostSystemReadyMessages != null) { 16933 for (Message msg : mPostSystemReadyMessages) { 16934 msg.sendToTarget(); 16935 } 16936 mPostSystemReadyMessages = null; 16937 } 16938 16939 // Watch for external volumes that come and go over time 16940 final StorageManager storage = mContext.getSystemService(StorageManager.class); 16941 storage.registerListener(mStorageListener); 16942 16943 mInstallerService.systemReady(); 16944 mPackageDexOptimizer.systemReady(); 16945 16946 MountServiceInternal mountServiceInternal = LocalServices.getService( 16947 MountServiceInternal.class); 16948 mountServiceInternal.addExternalStoragePolicy( 16949 new MountServiceInternal.ExternalStorageMountPolicy() { 16950 @Override 16951 public int getMountMode(int uid, String packageName) { 16952 if (Process.isIsolated(uid)) { 16953 return Zygote.MOUNT_EXTERNAL_NONE; 16954 } 16955 if (checkUidPermission(WRITE_MEDIA_STORAGE, uid) == PERMISSION_GRANTED) { 16956 return Zygote.MOUNT_EXTERNAL_DEFAULT; 16957 } 16958 if (checkUidPermission(READ_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 16959 return Zygote.MOUNT_EXTERNAL_DEFAULT; 16960 } 16961 if (checkUidPermission(WRITE_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 16962 return Zygote.MOUNT_EXTERNAL_READ; 16963 } 16964 return Zygote.MOUNT_EXTERNAL_WRITE; 16965 } 16966 16967 @Override 16968 public boolean hasExternalStorage(int uid, String packageName) { 16969 return true; 16970 } 16971 }); 16972 } 16973 16974 @Override 16975 public boolean isSafeMode() { 16976 return mSafeMode; 16977 } 16978 16979 @Override 16980 public boolean hasSystemUidErrors() { 16981 return mHasSystemUidErrors; 16982 } 16983 16984 static String arrayToString(int[] array) { 16985 StringBuffer buf = new StringBuffer(128); 16986 buf.append('['); 16987 if (array != null) { 16988 for (int i=0; i<array.length; i++) { 16989 if (i > 0) buf.append(", "); 16990 buf.append(array[i]); 16991 } 16992 } 16993 buf.append(']'); 16994 return buf.toString(); 16995 } 16996 16997 static class DumpState { 16998 public static final int DUMP_LIBS = 1 << 0; 16999 public static final int DUMP_FEATURES = 1 << 1; 17000 public static final int DUMP_ACTIVITY_RESOLVERS = 1 << 2; 17001 public static final int DUMP_SERVICE_RESOLVERS = 1 << 3; 17002 public static final int DUMP_RECEIVER_RESOLVERS = 1 << 4; 17003 public static final int DUMP_CONTENT_RESOLVERS = 1 << 5; 17004 public static final int DUMP_PERMISSIONS = 1 << 6; 17005 public static final int DUMP_PACKAGES = 1 << 7; 17006 public static final int DUMP_SHARED_USERS = 1 << 8; 17007 public static final int DUMP_MESSAGES = 1 << 9; 17008 public static final int DUMP_PROVIDERS = 1 << 10; 17009 public static final int DUMP_VERIFIERS = 1 << 11; 17010 public static final int DUMP_PREFERRED = 1 << 12; 17011 public static final int DUMP_PREFERRED_XML = 1 << 13; 17012 public static final int DUMP_KEYSETS = 1 << 14; 17013 public static final int DUMP_VERSION = 1 << 15; 17014 public static final int DUMP_INSTALLS = 1 << 16; 17015 public static final int DUMP_INTENT_FILTER_VERIFIERS = 1 << 17; 17016 public static final int DUMP_DOMAIN_PREFERRED = 1 << 18; 17017 17018 public static final int OPTION_SHOW_FILTERS = 1 << 0; 17019 17020 private int mTypes; 17021 17022 private int mOptions; 17023 17024 private boolean mTitlePrinted; 17025 17026 private SharedUserSetting mSharedUser; 17027 17028 public boolean isDumping(int type) { 17029 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 17030 return true; 17031 } 17032 17033 return (mTypes & type) != 0; 17034 } 17035 17036 public void setDump(int type) { 17037 mTypes |= type; 17038 } 17039 17040 public boolean isOptionEnabled(int option) { 17041 return (mOptions & option) != 0; 17042 } 17043 17044 public void setOptionEnabled(int option) { 17045 mOptions |= option; 17046 } 17047 17048 public boolean onTitlePrinted() { 17049 final boolean printed = mTitlePrinted; 17050 mTitlePrinted = true; 17051 return printed; 17052 } 17053 17054 public boolean getTitlePrinted() { 17055 return mTitlePrinted; 17056 } 17057 17058 public void setTitlePrinted(boolean enabled) { 17059 mTitlePrinted = enabled; 17060 } 17061 17062 public SharedUserSetting getSharedUser() { 17063 return mSharedUser; 17064 } 17065 17066 public void setSharedUser(SharedUserSetting user) { 17067 mSharedUser = user; 17068 } 17069 } 17070 17071 @Override 17072 public void onShellCommand(FileDescriptor in, FileDescriptor out, 17073 FileDescriptor err, String[] args, ResultReceiver resultReceiver) { 17074 (new PackageManagerShellCommand(this)).exec( 17075 this, in, out, err, args, resultReceiver); 17076 } 17077 17078 @Override 17079 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 17080 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 17081 != PackageManager.PERMISSION_GRANTED) { 17082 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 17083 + Binder.getCallingPid() 17084 + ", uid=" + Binder.getCallingUid() 17085 + " without permission " 17086 + android.Manifest.permission.DUMP); 17087 return; 17088 } 17089 17090 DumpState dumpState = new DumpState(); 17091 boolean fullPreferred = false; 17092 boolean checkin = false; 17093 17094 String packageName = null; 17095 ArraySet<String> permissionNames = null; 17096 17097 int opti = 0; 17098 while (opti < args.length) { 17099 String opt = args[opti]; 17100 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 17101 break; 17102 } 17103 opti++; 17104 17105 if ("-a".equals(opt)) { 17106 // Right now we only know how to print all. 17107 } else if ("-h".equals(opt)) { 17108 pw.println("Package manager dump options:"); 17109 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 17110 pw.println(" --checkin: dump for a checkin"); 17111 pw.println(" -f: print details of intent filters"); 17112 pw.println(" -h: print this help"); 17113 pw.println(" cmd may be one of:"); 17114 pw.println(" l[ibraries]: list known shared libraries"); 17115 pw.println(" f[eatures]: list device features"); 17116 pw.println(" k[eysets]: print known keysets"); 17117 pw.println(" r[esolvers] [activity|service|receiver|content]: dump intent resolvers"); 17118 pw.println(" perm[issions]: dump permissions"); 17119 pw.println(" permission [name ...]: dump declaration and use of given permission"); 17120 pw.println(" pref[erred]: print preferred package settings"); 17121 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 17122 pw.println(" prov[iders]: dump content providers"); 17123 pw.println(" p[ackages]: dump installed packages"); 17124 pw.println(" s[hared-users]: dump shared user IDs"); 17125 pw.println(" m[essages]: print collected runtime messages"); 17126 pw.println(" v[erifiers]: print package verifier info"); 17127 pw.println(" d[omain-preferred-apps]: print domains preferred apps"); 17128 pw.println(" i[ntent-filter-verifiers]|ifv: print intent filter verifier info"); 17129 pw.println(" version: print database version info"); 17130 pw.println(" write: write current settings now"); 17131 pw.println(" installs: details about install sessions"); 17132 pw.println(" check-permission <permission> <package> [<user>]: does pkg hold perm?"); 17133 pw.println(" <package.name>: info about given package"); 17134 return; 17135 } else if ("--checkin".equals(opt)) { 17136 checkin = true; 17137 } else if ("-f".equals(opt)) { 17138 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 17139 } else { 17140 pw.println("Unknown argument: " + opt + "; use -h for help"); 17141 } 17142 } 17143 17144 // Is the caller requesting to dump a particular piece of data? 17145 if (opti < args.length) { 17146 String cmd = args[opti]; 17147 opti++; 17148 // Is this a package name? 17149 if ("android".equals(cmd) || cmd.contains(".")) { 17150 packageName = cmd; 17151 // When dumping a single package, we always dump all of its 17152 // filter information since the amount of data will be reasonable. 17153 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 17154 } else if ("check-permission".equals(cmd)) { 17155 if (opti >= args.length) { 17156 pw.println("Error: check-permission missing permission argument"); 17157 return; 17158 } 17159 String perm = args[opti]; 17160 opti++; 17161 if (opti >= args.length) { 17162 pw.println("Error: check-permission missing package argument"); 17163 return; 17164 } 17165 String pkg = args[opti]; 17166 opti++; 17167 int user = UserHandle.getUserId(Binder.getCallingUid()); 17168 if (opti < args.length) { 17169 try { 17170 user = Integer.parseInt(args[opti]); 17171 } catch (NumberFormatException e) { 17172 pw.println("Error: check-permission user argument is not a number: " 17173 + args[opti]); 17174 return; 17175 } 17176 } 17177 pw.println(checkPermission(perm, pkg, user)); 17178 return; 17179 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 17180 dumpState.setDump(DumpState.DUMP_LIBS); 17181 } else if ("f".equals(cmd) || "features".equals(cmd)) { 17182 dumpState.setDump(DumpState.DUMP_FEATURES); 17183 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 17184 if (opti >= args.length) { 17185 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS 17186 | DumpState.DUMP_SERVICE_RESOLVERS 17187 | DumpState.DUMP_RECEIVER_RESOLVERS 17188 | DumpState.DUMP_CONTENT_RESOLVERS); 17189 } else { 17190 while (opti < args.length) { 17191 String name = args[opti]; 17192 if ("a".equals(name) || "activity".equals(name)) { 17193 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS); 17194 } else if ("s".equals(name) || "service".equals(name)) { 17195 dumpState.setDump(DumpState.DUMP_SERVICE_RESOLVERS); 17196 } else if ("r".equals(name) || "receiver".equals(name)) { 17197 dumpState.setDump(DumpState.DUMP_RECEIVER_RESOLVERS); 17198 } else if ("c".equals(name) || "content".equals(name)) { 17199 dumpState.setDump(DumpState.DUMP_CONTENT_RESOLVERS); 17200 } else { 17201 pw.println("Error: unknown resolver table type: " + name); 17202 return; 17203 } 17204 opti++; 17205 } 17206 } 17207 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 17208 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 17209 } else if ("permission".equals(cmd)) { 17210 if (opti >= args.length) { 17211 pw.println("Error: permission requires permission name"); 17212 return; 17213 } 17214 permissionNames = new ArraySet<>(); 17215 while (opti < args.length) { 17216 permissionNames.add(args[opti]); 17217 opti++; 17218 } 17219 dumpState.setDump(DumpState.DUMP_PERMISSIONS 17220 | DumpState.DUMP_PACKAGES | DumpState.DUMP_SHARED_USERS); 17221 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 17222 dumpState.setDump(DumpState.DUMP_PREFERRED); 17223 } else if ("preferred-xml".equals(cmd)) { 17224 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 17225 if (opti < args.length && "--full".equals(args[opti])) { 17226 fullPreferred = true; 17227 opti++; 17228 } 17229 } else if ("d".equals(cmd) || "domain-preferred-apps".equals(cmd)) { 17230 dumpState.setDump(DumpState.DUMP_DOMAIN_PREFERRED); 17231 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 17232 dumpState.setDump(DumpState.DUMP_PACKAGES); 17233 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 17234 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 17235 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 17236 dumpState.setDump(DumpState.DUMP_PROVIDERS); 17237 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 17238 dumpState.setDump(DumpState.DUMP_MESSAGES); 17239 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 17240 dumpState.setDump(DumpState.DUMP_VERIFIERS); 17241 } else if ("i".equals(cmd) || "ifv".equals(cmd) 17242 || "intent-filter-verifiers".equals(cmd)) { 17243 dumpState.setDump(DumpState.DUMP_INTENT_FILTER_VERIFIERS); 17244 } else if ("version".equals(cmd)) { 17245 dumpState.setDump(DumpState.DUMP_VERSION); 17246 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 17247 dumpState.setDump(DumpState.DUMP_KEYSETS); 17248 } else if ("installs".equals(cmd)) { 17249 dumpState.setDump(DumpState.DUMP_INSTALLS); 17250 } else if ("write".equals(cmd)) { 17251 synchronized (mPackages) { 17252 mSettings.writeLPr(); 17253 pw.println("Settings written."); 17254 return; 17255 } 17256 } 17257 } 17258 17259 if (checkin) { 17260 pw.println("vers,1"); 17261 } 17262 17263 // reader 17264 synchronized (mPackages) { 17265 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 17266 if (!checkin) { 17267 if (dumpState.onTitlePrinted()) 17268 pw.println(); 17269 pw.println("Database versions:"); 17270 mSettings.dumpVersionLPr(new IndentingPrintWriter(pw, " ")); 17271 } 17272 } 17273 17274 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 17275 if (!checkin) { 17276 if (dumpState.onTitlePrinted()) 17277 pw.println(); 17278 pw.println("Verifiers:"); 17279 pw.print(" Required: "); 17280 pw.print(mRequiredVerifierPackage); 17281 pw.print(" (uid="); 17282 pw.print(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 17283 UserHandle.USER_SYSTEM)); 17284 pw.println(")"); 17285 } else if (mRequiredVerifierPackage != null) { 17286 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 17287 pw.print(","); 17288 pw.println(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 17289 UserHandle.USER_SYSTEM)); 17290 } 17291 } 17292 17293 if (dumpState.isDumping(DumpState.DUMP_INTENT_FILTER_VERIFIERS) && 17294 packageName == null) { 17295 if (mIntentFilterVerifierComponent != null) { 17296 String verifierPackageName = mIntentFilterVerifierComponent.getPackageName(); 17297 if (!checkin) { 17298 if (dumpState.onTitlePrinted()) 17299 pw.println(); 17300 pw.println("Intent Filter Verifier:"); 17301 pw.print(" Using: "); 17302 pw.print(verifierPackageName); 17303 pw.print(" (uid="); 17304 pw.print(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 17305 UserHandle.USER_SYSTEM)); 17306 pw.println(")"); 17307 } else if (verifierPackageName != null) { 17308 pw.print("ifv,"); pw.print(verifierPackageName); 17309 pw.print(","); 17310 pw.println(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 17311 UserHandle.USER_SYSTEM)); 17312 } 17313 } else { 17314 pw.println(); 17315 pw.println("No Intent Filter Verifier available!"); 17316 } 17317 } 17318 17319 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 17320 boolean printedHeader = false; 17321 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 17322 while (it.hasNext()) { 17323 String name = it.next(); 17324 SharedLibraryEntry ent = mSharedLibraries.get(name); 17325 if (!checkin) { 17326 if (!printedHeader) { 17327 if (dumpState.onTitlePrinted()) 17328 pw.println(); 17329 pw.println("Libraries:"); 17330 printedHeader = true; 17331 } 17332 pw.print(" "); 17333 } else { 17334 pw.print("lib,"); 17335 } 17336 pw.print(name); 17337 if (!checkin) { 17338 pw.print(" -> "); 17339 } 17340 if (ent.path != null) { 17341 if (!checkin) { 17342 pw.print("(jar) "); 17343 pw.print(ent.path); 17344 } else { 17345 pw.print(",jar,"); 17346 pw.print(ent.path); 17347 } 17348 } else { 17349 if (!checkin) { 17350 pw.print("(apk) "); 17351 pw.print(ent.apk); 17352 } else { 17353 pw.print(",apk,"); 17354 pw.print(ent.apk); 17355 } 17356 } 17357 pw.println(); 17358 } 17359 } 17360 17361 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 17362 if (dumpState.onTitlePrinted()) 17363 pw.println(); 17364 if (!checkin) { 17365 pw.println("Features:"); 17366 } 17367 17368 for (FeatureInfo feat : mAvailableFeatures.values()) { 17369 if (checkin) { 17370 pw.print("feat,"); 17371 pw.print(feat.name); 17372 pw.print(","); 17373 pw.println(feat.version); 17374 } else { 17375 pw.print(" "); 17376 pw.print(feat.name); 17377 if (feat.version > 0) { 17378 pw.print(" version="); 17379 pw.print(feat.version); 17380 } 17381 pw.println(); 17382 } 17383 } 17384 } 17385 17386 if (!checkin && dumpState.isDumping(DumpState.DUMP_ACTIVITY_RESOLVERS)) { 17387 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 17388 : "Activity Resolver Table:", " ", packageName, 17389 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 17390 dumpState.setTitlePrinted(true); 17391 } 17392 } 17393 if (!checkin && dumpState.isDumping(DumpState.DUMP_RECEIVER_RESOLVERS)) { 17394 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 17395 : "Receiver Resolver Table:", " ", packageName, 17396 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 17397 dumpState.setTitlePrinted(true); 17398 } 17399 } 17400 if (!checkin && dumpState.isDumping(DumpState.DUMP_SERVICE_RESOLVERS)) { 17401 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 17402 : "Service Resolver Table:", " ", packageName, 17403 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 17404 dumpState.setTitlePrinted(true); 17405 } 17406 } 17407 if (!checkin && dumpState.isDumping(DumpState.DUMP_CONTENT_RESOLVERS)) { 17408 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 17409 : "Provider Resolver Table:", " ", packageName, 17410 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 17411 dumpState.setTitlePrinted(true); 17412 } 17413 } 17414 17415 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 17416 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 17417 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 17418 int user = mSettings.mPreferredActivities.keyAt(i); 17419 if (pir.dump(pw, 17420 dumpState.getTitlePrinted() 17421 ? "\nPreferred Activities User " + user + ":" 17422 : "Preferred Activities User " + user + ":", " ", 17423 packageName, true, false)) { 17424 dumpState.setTitlePrinted(true); 17425 } 17426 } 17427 } 17428 17429 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 17430 pw.flush(); 17431 FileOutputStream fout = new FileOutputStream(fd); 17432 BufferedOutputStream str = new BufferedOutputStream(fout); 17433 XmlSerializer serializer = new FastXmlSerializer(); 17434 try { 17435 serializer.setOutput(str, StandardCharsets.UTF_8.name()); 17436 serializer.startDocument(null, true); 17437 serializer.setFeature( 17438 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 17439 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 17440 serializer.endDocument(); 17441 serializer.flush(); 17442 } catch (IllegalArgumentException e) { 17443 pw.println("Failed writing: " + e); 17444 } catch (IllegalStateException e) { 17445 pw.println("Failed writing: " + e); 17446 } catch (IOException e) { 17447 pw.println("Failed writing: " + e); 17448 } 17449 } 17450 17451 if (!checkin 17452 && dumpState.isDumping(DumpState.DUMP_DOMAIN_PREFERRED) 17453 && packageName == null) { 17454 pw.println(); 17455 int count = mSettings.mPackages.size(); 17456 if (count == 0) { 17457 pw.println("No applications!"); 17458 pw.println(); 17459 } else { 17460 final String prefix = " "; 17461 Collection<PackageSetting> allPackageSettings = mSettings.mPackages.values(); 17462 if (allPackageSettings.size() == 0) { 17463 pw.println("No domain preferred apps!"); 17464 pw.println(); 17465 } else { 17466 pw.println("App verification status:"); 17467 pw.println(); 17468 count = 0; 17469 for (PackageSetting ps : allPackageSettings) { 17470 IntentFilterVerificationInfo ivi = ps.getIntentFilterVerificationInfo(); 17471 if (ivi == null || ivi.getPackageName() == null) continue; 17472 pw.println(prefix + "Package: " + ivi.getPackageName()); 17473 pw.println(prefix + "Domains: " + ivi.getDomainsString()); 17474 pw.println(prefix + "Status: " + ivi.getStatusString()); 17475 pw.println(); 17476 count++; 17477 } 17478 if (count == 0) { 17479 pw.println(prefix + "No app verification established."); 17480 pw.println(); 17481 } 17482 for (int userId : sUserManager.getUserIds()) { 17483 pw.println("App linkages for user " + userId + ":"); 17484 pw.println(); 17485 count = 0; 17486 for (PackageSetting ps : allPackageSettings) { 17487 final long status = ps.getDomainVerificationStatusForUser(userId); 17488 if (status >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 17489 continue; 17490 } 17491 pw.println(prefix + "Package: " + ps.name); 17492 pw.println(prefix + "Domains: " + dumpDomainString(ps.name)); 17493 String statusStr = IntentFilterVerificationInfo. 17494 getStatusStringFromValue(status); 17495 pw.println(prefix + "Status: " + statusStr); 17496 pw.println(); 17497 count++; 17498 } 17499 if (count == 0) { 17500 pw.println(prefix + "No configured app linkages."); 17501 pw.println(); 17502 } 17503 } 17504 } 17505 } 17506 } 17507 17508 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 17509 mSettings.dumpPermissionsLPr(pw, packageName, permissionNames, dumpState); 17510 if (packageName == null && permissionNames == null) { 17511 for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) { 17512 if (iperm == 0) { 17513 if (dumpState.onTitlePrinted()) 17514 pw.println(); 17515 pw.println("AppOp Permissions:"); 17516 } 17517 pw.print(" AppOp Permission "); 17518 pw.print(mAppOpPermissionPackages.keyAt(iperm)); 17519 pw.println(":"); 17520 ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm); 17521 for (int ipkg=0; ipkg<pkgs.size(); ipkg++) { 17522 pw.print(" "); pw.println(pkgs.valueAt(ipkg)); 17523 } 17524 } 17525 } 17526 } 17527 17528 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 17529 boolean printedSomething = false; 17530 for (PackageParser.Provider p : mProviders.mProviders.values()) { 17531 if (packageName != null && !packageName.equals(p.info.packageName)) { 17532 continue; 17533 } 17534 if (!printedSomething) { 17535 if (dumpState.onTitlePrinted()) 17536 pw.println(); 17537 pw.println("Registered ContentProviders:"); 17538 printedSomething = true; 17539 } 17540 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 17541 pw.print(" "); pw.println(p.toString()); 17542 } 17543 printedSomething = false; 17544 for (Map.Entry<String, PackageParser.Provider> entry : 17545 mProvidersByAuthority.entrySet()) { 17546 PackageParser.Provider p = entry.getValue(); 17547 if (packageName != null && !packageName.equals(p.info.packageName)) { 17548 continue; 17549 } 17550 if (!printedSomething) { 17551 if (dumpState.onTitlePrinted()) 17552 pw.println(); 17553 pw.println("ContentProvider Authorities:"); 17554 printedSomething = true; 17555 } 17556 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 17557 pw.print(" "); pw.println(p.toString()); 17558 if (p.info != null && p.info.applicationInfo != null) { 17559 final String appInfo = p.info.applicationInfo.toString(); 17560 pw.print(" applicationInfo="); pw.println(appInfo); 17561 } 17562 } 17563 } 17564 17565 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 17566 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 17567 } 17568 17569 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 17570 mSettings.dumpPackagesLPr(pw, packageName, permissionNames, dumpState, checkin); 17571 } 17572 17573 if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 17574 mSettings.dumpSharedUsersLPr(pw, packageName, permissionNames, dumpState, checkin); 17575 } 17576 17577 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS) && packageName == null) { 17578 mSettings.dumpRestoredPermissionGrantsLPr(pw, dumpState); 17579 } 17580 17581 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) { 17582 // XXX should handle packageName != null by dumping only install data that 17583 // the given package is involved with. 17584 if (dumpState.onTitlePrinted()) pw.println(); 17585 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 17586 } 17587 17588 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 17589 if (dumpState.onTitlePrinted()) pw.println(); 17590 mSettings.dumpReadMessagesLPr(pw, dumpState); 17591 17592 pw.println(); 17593 pw.println("Package warning messages:"); 17594 BufferedReader in = null; 17595 String line = null; 17596 try { 17597 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 17598 while ((line = in.readLine()) != null) { 17599 if (line.contains("ignored: updated version")) continue; 17600 pw.println(line); 17601 } 17602 } catch (IOException ignored) { 17603 } finally { 17604 IoUtils.closeQuietly(in); 17605 } 17606 } 17607 17608 if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) { 17609 BufferedReader in = null; 17610 String line = null; 17611 try { 17612 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 17613 while ((line = in.readLine()) != null) { 17614 if (line.contains("ignored: updated version")) continue; 17615 pw.print("msg,"); 17616 pw.println(line); 17617 } 17618 } catch (IOException ignored) { 17619 } finally { 17620 IoUtils.closeQuietly(in); 17621 } 17622 } 17623 } 17624 } 17625 17626 private String dumpDomainString(String packageName) { 17627 List<IntentFilterVerificationInfo> iviList = getIntentFilterVerifications(packageName) 17628 .getList(); 17629 List<IntentFilter> filters = getAllIntentFilters(packageName).getList(); 17630 17631 ArraySet<String> result = new ArraySet<>(); 17632 if (iviList.size() > 0) { 17633 for (IntentFilterVerificationInfo ivi : iviList) { 17634 for (String host : ivi.getDomains()) { 17635 result.add(host); 17636 } 17637 } 17638 } 17639 if (filters != null && filters.size() > 0) { 17640 for (IntentFilter filter : filters) { 17641 if (filter.hasCategory(Intent.CATEGORY_BROWSABLE) 17642 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 17643 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS))) { 17644 result.addAll(filter.getHostsList()); 17645 } 17646 } 17647 } 17648 17649 StringBuilder sb = new StringBuilder(result.size() * 16); 17650 for (String domain : result) { 17651 if (sb.length() > 0) sb.append(" "); 17652 sb.append(domain); 17653 } 17654 return sb.toString(); 17655 } 17656 17657 // ------- apps on sdcard specific code ------- 17658 static final boolean DEBUG_SD_INSTALL = false; 17659 17660 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 17661 17662 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 17663 17664 private boolean mMediaMounted = false; 17665 17666 static String getEncryptKey() { 17667 try { 17668 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 17669 SD_ENCRYPTION_KEYSTORE_NAME); 17670 if (sdEncKey == null) { 17671 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 17672 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 17673 if (sdEncKey == null) { 17674 Slog.e(TAG, "Failed to create encryption keys"); 17675 return null; 17676 } 17677 } 17678 return sdEncKey; 17679 } catch (NoSuchAlgorithmException nsae) { 17680 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 17681 return null; 17682 } catch (IOException ioe) { 17683 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 17684 return null; 17685 } 17686 } 17687 17688 /* 17689 * Update media status on PackageManager. 17690 */ 17691 @Override 17692 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 17693 int callingUid = Binder.getCallingUid(); 17694 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 17695 throw new SecurityException("Media status can only be updated by the system"); 17696 } 17697 // reader; this apparently protects mMediaMounted, but should probably 17698 // be a different lock in that case. 17699 synchronized (mPackages) { 17700 Log.i(TAG, "Updating external media status from " 17701 + (mMediaMounted ? "mounted" : "unmounted") + " to " 17702 + (mediaStatus ? "mounted" : "unmounted")); 17703 if (DEBUG_SD_INSTALL) 17704 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 17705 + ", mMediaMounted=" + mMediaMounted); 17706 if (mediaStatus == mMediaMounted) { 17707 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 17708 : 0, -1); 17709 mHandler.sendMessage(msg); 17710 return; 17711 } 17712 mMediaMounted = mediaStatus; 17713 } 17714 // Queue up an async operation since the package installation may take a 17715 // little while. 17716 mHandler.post(new Runnable() { 17717 public void run() { 17718 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 17719 } 17720 }); 17721 } 17722 17723 /** 17724 * Called by MountService when the initial ASECs to scan are available. 17725 * Should block until all the ASEC containers are finished being scanned. 17726 */ 17727 public void scanAvailableAsecs() { 17728 updateExternalMediaStatusInner(true, false, false); 17729 } 17730 17731 /* 17732 * Collect information of applications on external media, map them against 17733 * existing containers and update information based on current mount status. 17734 * Please note that we always have to report status if reportStatus has been 17735 * set to true especially when unloading packages. 17736 */ 17737 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 17738 boolean externalStorage) { 17739 ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>(); 17740 int[] uidArr = EmptyArray.INT; 17741 17742 final String[] list = PackageHelper.getSecureContainerList(); 17743 if (ArrayUtils.isEmpty(list)) { 17744 Log.i(TAG, "No secure containers found"); 17745 } else { 17746 // Process list of secure containers and categorize them 17747 // as active or stale based on their package internal state. 17748 17749 // reader 17750 synchronized (mPackages) { 17751 for (String cid : list) { 17752 // Leave stages untouched for now; installer service owns them 17753 if (PackageInstallerService.isStageName(cid)) continue; 17754 17755 if (DEBUG_SD_INSTALL) 17756 Log.i(TAG, "Processing container " + cid); 17757 String pkgName = getAsecPackageName(cid); 17758 if (pkgName == null) { 17759 Slog.i(TAG, "Found stale container " + cid + " with no package name"); 17760 continue; 17761 } 17762 if (DEBUG_SD_INSTALL) 17763 Log.i(TAG, "Looking for pkg : " + pkgName); 17764 17765 final PackageSetting ps = mSettings.mPackages.get(pkgName); 17766 if (ps == null) { 17767 Slog.i(TAG, "Found stale container " + cid + " with no matching settings"); 17768 continue; 17769 } 17770 17771 /* 17772 * Skip packages that are not external if we're unmounting 17773 * external storage. 17774 */ 17775 if (externalStorage && !isMounted && !isExternal(ps)) { 17776 continue; 17777 } 17778 17779 final AsecInstallArgs args = new AsecInstallArgs(cid, 17780 getAppDexInstructionSets(ps), ps.isForwardLocked()); 17781 // The package status is changed only if the code path 17782 // matches between settings and the container id. 17783 if (ps.codePathString != null 17784 && ps.codePathString.startsWith(args.getCodePath())) { 17785 if (DEBUG_SD_INSTALL) { 17786 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 17787 + " at code path: " + ps.codePathString); 17788 } 17789 17790 // We do have a valid package installed on sdcard 17791 processCids.put(args, ps.codePathString); 17792 final int uid = ps.appId; 17793 if (uid != -1) { 17794 uidArr = ArrayUtils.appendInt(uidArr, uid); 17795 } 17796 } else { 17797 Slog.i(TAG, "Found stale container " + cid + ": expected codePath=" 17798 + ps.codePathString); 17799 } 17800 } 17801 } 17802 17803 Arrays.sort(uidArr); 17804 } 17805 17806 // Process packages with valid entries. 17807 if (isMounted) { 17808 if (DEBUG_SD_INSTALL) 17809 Log.i(TAG, "Loading packages"); 17810 loadMediaPackages(processCids, uidArr, externalStorage); 17811 startCleaningPackages(); 17812 mInstallerService.onSecureContainersAvailable(); 17813 } else { 17814 if (DEBUG_SD_INSTALL) 17815 Log.i(TAG, "Unloading packages"); 17816 unloadMediaPackages(processCids, uidArr, reportStatus); 17817 } 17818 } 17819 17820 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 17821 ArrayList<ApplicationInfo> infos, IIntentReceiver finishedReceiver) { 17822 final int size = infos.size(); 17823 final String[] packageNames = new String[size]; 17824 final int[] packageUids = new int[size]; 17825 for (int i = 0; i < size; i++) { 17826 final ApplicationInfo info = infos.get(i); 17827 packageNames[i] = info.packageName; 17828 packageUids[i] = info.uid; 17829 } 17830 sendResourcesChangedBroadcast(mediaStatus, replacing, packageNames, packageUids, 17831 finishedReceiver); 17832 } 17833 17834 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 17835 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 17836 sendResourcesChangedBroadcast(mediaStatus, replacing, 17837 pkgList.toArray(new String[pkgList.size()]), uidArr, finishedReceiver); 17838 } 17839 17840 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 17841 String[] pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 17842 int size = pkgList.length; 17843 if (size > 0) { 17844 // Send broadcasts here 17845 Bundle extras = new Bundle(); 17846 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 17847 if (uidArr != null) { 17848 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 17849 } 17850 if (replacing) { 17851 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 17852 } 17853 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 17854 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 17855 sendPackageBroadcast(action, null, extras, 0, null, finishedReceiver, null); 17856 } 17857 } 17858 17859 /* 17860 * Look at potentially valid container ids from processCids If package 17861 * information doesn't match the one on record or package scanning fails, 17862 * the cid is added to list of removeCids. We currently don't delete stale 17863 * containers. 17864 */ 17865 private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr, 17866 boolean externalStorage) { 17867 ArrayList<String> pkgList = new ArrayList<String>(); 17868 Set<AsecInstallArgs> keys = processCids.keySet(); 17869 17870 for (AsecInstallArgs args : keys) { 17871 String codePath = processCids.get(args); 17872 if (DEBUG_SD_INSTALL) 17873 Log.i(TAG, "Loading container : " + args.cid); 17874 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 17875 try { 17876 // Make sure there are no container errors first. 17877 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 17878 Slog.e(TAG, "Failed to mount cid : " + args.cid 17879 + " when installing from sdcard"); 17880 continue; 17881 } 17882 // Check code path here. 17883 if (codePath == null || !codePath.startsWith(args.getCodePath())) { 17884 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 17885 + " does not match one in settings " + codePath); 17886 continue; 17887 } 17888 // Parse package 17889 int parseFlags = mDefParseFlags; 17890 if (args.isExternalAsec()) { 17891 parseFlags |= PackageParser.PARSE_EXTERNAL_STORAGE; 17892 } 17893 if (args.isFwdLocked()) { 17894 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 17895 } 17896 17897 synchronized (mInstallLock) { 17898 PackageParser.Package pkg = null; 17899 try { 17900 pkg = scanPackageTracedLI(new File(codePath), parseFlags, 0, 0, null); 17901 } catch (PackageManagerException e) { 17902 Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage()); 17903 } 17904 // Scan the package 17905 if (pkg != null) { 17906 /* 17907 * TODO why is the lock being held? doPostInstall is 17908 * called in other places without the lock. This needs 17909 * to be straightened out. 17910 */ 17911 // writer 17912 synchronized (mPackages) { 17913 retCode = PackageManager.INSTALL_SUCCEEDED; 17914 pkgList.add(pkg.packageName); 17915 // Post process args 17916 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 17917 pkg.applicationInfo.uid); 17918 } 17919 } else { 17920 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 17921 } 17922 } 17923 17924 } finally { 17925 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 17926 Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode); 17927 } 17928 } 17929 } 17930 // writer 17931 synchronized (mPackages) { 17932 // If the platform SDK has changed since the last time we booted, 17933 // we need to re-grant app permission to catch any new ones that 17934 // appear. This is really a hack, and means that apps can in some 17935 // cases get permissions that the user didn't initially explicitly 17936 // allow... it would be nice to have some better way to handle 17937 // this situation. 17938 final VersionInfo ver = externalStorage ? mSettings.getExternalVersion() 17939 : mSettings.getInternalVersion(); 17940 final String volumeUuid = externalStorage ? StorageManager.UUID_PRIMARY_PHYSICAL 17941 : StorageManager.UUID_PRIVATE_INTERNAL; 17942 17943 int updateFlags = UPDATE_PERMISSIONS_ALL; 17944 if (ver.sdkVersion != mSdkVersion) { 17945 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 17946 + mSdkVersion + "; regranting permissions for external"); 17947 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 17948 } 17949 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 17950 17951 // Yay, everything is now upgraded 17952 ver.forceCurrent(); 17953 17954 // can downgrade to reader 17955 // Persist settings 17956 mSettings.writeLPr(); 17957 } 17958 // Send a broadcast to let everyone know we are done processing 17959 if (pkgList.size() > 0) { 17960 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 17961 } 17962 } 17963 17964 /* 17965 * Utility method to unload a list of specified containers 17966 */ 17967 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 17968 // Just unmount all valid containers. 17969 for (AsecInstallArgs arg : cidArgs) { 17970 synchronized (mInstallLock) { 17971 arg.doPostDeleteLI(false); 17972 } 17973 } 17974 } 17975 17976 /* 17977 * Unload packages mounted on external media. This involves deleting package 17978 * data from internal structures, sending broadcasts about disabled packages, 17979 * gc'ing to free up references, unmounting all secure containers 17980 * corresponding to packages on external media, and posting a 17981 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 17982 * that we always have to post this message if status has been requested no 17983 * matter what. 17984 */ 17985 private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[], 17986 final boolean reportStatus) { 17987 if (DEBUG_SD_INSTALL) 17988 Log.i(TAG, "unloading media packages"); 17989 ArrayList<String> pkgList = new ArrayList<String>(); 17990 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 17991 final Set<AsecInstallArgs> keys = processCids.keySet(); 17992 for (AsecInstallArgs args : keys) { 17993 String pkgName = args.getPackageName(); 17994 if (DEBUG_SD_INSTALL) 17995 Log.i(TAG, "Trying to unload pkg : " + pkgName); 17996 // Delete package internally 17997 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 17998 synchronized (mInstallLock) { 17999 boolean res = deletePackageLI(pkgName, null, false, null, 18000 PackageManager.DELETE_KEEP_DATA, outInfo, false, null); 18001 if (res) { 18002 pkgList.add(pkgName); 18003 } else { 18004 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 18005 failedList.add(args); 18006 } 18007 } 18008 } 18009 18010 // reader 18011 synchronized (mPackages) { 18012 // We didn't update the settings after removing each package; 18013 // write them now for all packages. 18014 mSettings.writeLPr(); 18015 } 18016 18017 // We have to absolutely send UPDATED_MEDIA_STATUS only 18018 // after confirming that all the receivers processed the ordered 18019 // broadcast when packages get disabled, force a gc to clean things up. 18020 // and unload all the containers. 18021 if (pkgList.size() > 0) { 18022 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 18023 new IIntentReceiver.Stub() { 18024 public void performReceive(Intent intent, int resultCode, String data, 18025 Bundle extras, boolean ordered, boolean sticky, 18026 int sendingUser) throws RemoteException { 18027 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 18028 reportStatus ? 1 : 0, 1, keys); 18029 mHandler.sendMessage(msg); 18030 } 18031 }); 18032 } else { 18033 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 18034 keys); 18035 mHandler.sendMessage(msg); 18036 } 18037 } 18038 18039 private void loadPrivatePackages(final VolumeInfo vol) { 18040 mHandler.post(new Runnable() { 18041 @Override 18042 public void run() { 18043 loadPrivatePackagesInner(vol); 18044 } 18045 }); 18046 } 18047 18048 private void loadPrivatePackagesInner(VolumeInfo vol) { 18049 final String volumeUuid = vol.fsUuid; 18050 if (TextUtils.isEmpty(volumeUuid)) { 18051 Slog.e(TAG, "Loading internal storage is probably a mistake; ignoring"); 18052 return; 18053 } 18054 18055 final ArrayList<ApplicationInfo> loaded = new ArrayList<>(); 18056 final int parseFlags = mDefParseFlags | PackageParser.PARSE_EXTERNAL_STORAGE; 18057 18058 final VersionInfo ver; 18059 final List<PackageSetting> packages; 18060 synchronized (mPackages) { 18061 ver = mSettings.findOrCreateVersion(volumeUuid); 18062 packages = mSettings.getVolumePackagesLPr(volumeUuid); 18063 } 18064 18065 // TODO: introduce a new concept similar to "frozen" to prevent these 18066 // apps from being launched until after data has been fully reconciled 18067 for (PackageSetting ps : packages) { 18068 synchronized (mInstallLock) { 18069 final PackageParser.Package pkg; 18070 try { 18071 pkg = scanPackageTracedLI(ps.codePath, parseFlags, SCAN_INITIAL, 0, null); 18072 loaded.add(pkg.applicationInfo); 18073 18074 } catch (PackageManagerException e) { 18075 Slog.w(TAG, "Failed to scan " + ps.codePath + ": " + e.getMessage()); 18076 } 18077 18078 if (!Build.FINGERPRINT.equals(ver.fingerprint)) { 18079 deleteCodeCacheDirsLI(ps.volumeUuid, ps.name); 18080 } 18081 } 18082 } 18083 18084 // Reconcile app data for all started/unlocked users 18085 final StorageManager sm = mContext.getSystemService(StorageManager.class); 18086 final UserManager um = mContext.getSystemService(UserManager.class); 18087 for (UserInfo user : um.getUsers()) { 18088 final int flags; 18089 if (um.isUserUnlocked(user.id)) { 18090 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 18091 } else if (um.isUserRunning(user.id)) { 18092 flags = StorageManager.FLAG_STORAGE_DE; 18093 } else { 18094 continue; 18095 } 18096 18097 sm.prepareUserStorage(volumeUuid, user.id, user.serialNumber, flags); 18098 reconcileAppsData(volumeUuid, user.id, flags); 18099 } 18100 18101 synchronized (mPackages) { 18102 int updateFlags = UPDATE_PERMISSIONS_ALL; 18103 if (ver.sdkVersion != mSdkVersion) { 18104 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 18105 + mSdkVersion + "; regranting permissions for " + volumeUuid); 18106 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 18107 } 18108 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 18109 18110 // Yay, everything is now upgraded 18111 ver.forceCurrent(); 18112 18113 mSettings.writeLPr(); 18114 } 18115 18116 if (DEBUG_INSTALL) Slog.d(TAG, "Loaded packages " + loaded); 18117 sendResourcesChangedBroadcast(true, false, loaded, null); 18118 } 18119 18120 private void unloadPrivatePackages(final VolumeInfo vol) { 18121 mHandler.post(new Runnable() { 18122 @Override 18123 public void run() { 18124 unloadPrivatePackagesInner(vol); 18125 } 18126 }); 18127 } 18128 18129 private void unloadPrivatePackagesInner(VolumeInfo vol) { 18130 final String volumeUuid = vol.fsUuid; 18131 if (TextUtils.isEmpty(volumeUuid)) { 18132 Slog.e(TAG, "Unloading internal storage is probably a mistake; ignoring"); 18133 return; 18134 } 18135 18136 final ArrayList<ApplicationInfo> unloaded = new ArrayList<>(); 18137 synchronized (mInstallLock) { 18138 synchronized (mPackages) { 18139 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(volumeUuid); 18140 for (PackageSetting ps : packages) { 18141 if (ps.pkg == null) continue; 18142 18143 final ApplicationInfo info = ps.pkg.applicationInfo; 18144 final PackageRemovedInfo outInfo = new PackageRemovedInfo(); 18145 if (deletePackageLI(ps.name, null, false, null, 18146 PackageManager.DELETE_KEEP_DATA, outInfo, false, null)) { 18147 unloaded.add(info); 18148 } else { 18149 Slog.w(TAG, "Failed to unload " + ps.codePath); 18150 } 18151 } 18152 18153 mSettings.writeLPr(); 18154 } 18155 } 18156 18157 if (DEBUG_INSTALL) Slog.d(TAG, "Unloaded packages " + unloaded); 18158 sendResourcesChangedBroadcast(false, false, unloaded, null); 18159 } 18160 18161 /** 18162 * Examine all users present on given mounted volume, and destroy data 18163 * belonging to users that are no longer valid, or whose user ID has been 18164 * recycled. 18165 */ 18166 private void reconcileUsers(String volumeUuid) { 18167 // TODO: also reconcile DE directories 18168 final File[] files = FileUtils 18169 .listFilesOrEmpty(Environment.getDataUserCeDirectory(volumeUuid)); 18170 for (File file : files) { 18171 if (!file.isDirectory()) continue; 18172 18173 final int userId; 18174 final UserInfo info; 18175 try { 18176 userId = Integer.parseInt(file.getName()); 18177 info = sUserManager.getUserInfo(userId); 18178 } catch (NumberFormatException e) { 18179 Slog.w(TAG, "Invalid user directory " + file); 18180 continue; 18181 } 18182 18183 boolean destroyUser = false; 18184 if (info == null) { 18185 logCriticalInfo(Log.WARN, "Destroying user directory " + file 18186 + " because no matching user was found"); 18187 destroyUser = true; 18188 } else { 18189 try { 18190 UserManagerService.enforceSerialNumber(file, info.serialNumber); 18191 } catch (IOException e) { 18192 logCriticalInfo(Log.WARN, "Destroying user directory " + file 18193 + " because we failed to enforce serial number: " + e); 18194 destroyUser = true; 18195 } 18196 } 18197 18198 if (destroyUser) { 18199 synchronized (mInstallLock) { 18200 try { 18201 mInstaller.removeUserDataDirs(volumeUuid, userId); 18202 } catch (InstallerException e) { 18203 Slog.w(TAG, "Failed to clean up user dirs", e); 18204 } 18205 } 18206 } 18207 } 18208 } 18209 18210 private void assertPackageKnown(String volumeUuid, String packageName) 18211 throws PackageManagerException { 18212 synchronized (mPackages) { 18213 final PackageSetting ps = mSettings.mPackages.get(packageName); 18214 if (ps == null) { 18215 throw new PackageManagerException("Package " + packageName + " is unknown"); 18216 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 18217 throw new PackageManagerException( 18218 "Package " + packageName + " found on unknown volume " + volumeUuid 18219 + "; expected volume " + ps.volumeUuid); 18220 } 18221 } 18222 } 18223 18224 private void assertPackageKnownAndInstalled(String volumeUuid, String packageName, int userId) 18225 throws PackageManagerException { 18226 synchronized (mPackages) { 18227 final PackageSetting ps = mSettings.mPackages.get(packageName); 18228 if (ps == null) { 18229 throw new PackageManagerException("Package " + packageName + " is unknown"); 18230 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 18231 throw new PackageManagerException( 18232 "Package " + packageName + " found on unknown volume " + volumeUuid 18233 + "; expected volume " + ps.volumeUuid); 18234 } else if (!ps.getInstalled(userId)) { 18235 throw new PackageManagerException( 18236 "Package " + packageName + " not installed for user " + userId); 18237 } 18238 } 18239 } 18240 18241 /** 18242 * Examine all apps present on given mounted volume, and destroy apps that 18243 * aren't expected, either due to uninstallation or reinstallation on 18244 * another volume. 18245 */ 18246 private void reconcileApps(String volumeUuid) { 18247 final File[] files = FileUtils 18248 .listFilesOrEmpty(Environment.getDataAppDirectory(volumeUuid)); 18249 for (File file : files) { 18250 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 18251 && !PackageInstallerService.isStageName(file.getName()); 18252 if (!isPackage) { 18253 // Ignore entries which are not packages 18254 continue; 18255 } 18256 18257 try { 18258 final PackageLite pkg = PackageParser.parsePackageLite(file, 18259 PackageParser.PARSE_MUST_BE_APK); 18260 assertPackageKnown(volumeUuid, pkg.packageName); 18261 18262 } catch (PackageParserException | PackageManagerException e) { 18263 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 18264 synchronized (mInstallLock) { 18265 removeCodePathLI(file); 18266 } 18267 } 18268 } 18269 } 18270 18271 /** 18272 * Reconcile all app data for the given user. 18273 * <p> 18274 * Verifies that directories exist and that ownership and labeling is 18275 * correct for all installed apps on all mounted volumes. 18276 */ 18277 void reconcileAppsData(int userId, int flags) { 18278 final StorageManager storage = mContext.getSystemService(StorageManager.class); 18279 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 18280 final String volumeUuid = vol.getFsUuid(); 18281 reconcileAppsData(volumeUuid, userId, flags); 18282 } 18283 } 18284 18285 /** 18286 * Reconcile all app data on given mounted volume. 18287 * <p> 18288 * Destroys app data that isn't expected, either due to uninstallation or 18289 * reinstallation on another volume. 18290 * <p> 18291 * Verifies that directories exist and that ownership and labeling is 18292 * correct for all installed apps. 18293 */ 18294 private void reconcileAppsData(String volumeUuid, int userId, int flags) { 18295 Slog.v(TAG, "reconcileAppsData for " + volumeUuid + " u" + userId + " 0x" 18296 + Integer.toHexString(flags)); 18297 18298 final File ceDir = Environment.getDataUserCeDirectory(volumeUuid, userId); 18299 final File deDir = Environment.getDataUserDeDirectory(volumeUuid, userId); 18300 18301 boolean restoreconNeeded = false; 18302 18303 // First look for stale data that doesn't belong, and check if things 18304 // have changed since we did our last restorecon 18305 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 18306 if (!isUserKeyUnlocked(userId)) { 18307 throw new RuntimeException( 18308 "Yikes, someone asked us to reconcile CE storage while " + userId 18309 + " was still locked; this would have caused massive data loss!"); 18310 } 18311 18312 restoreconNeeded |= SELinuxMMAC.isRestoreconNeeded(ceDir); 18313 18314 final File[] files = FileUtils.listFilesOrEmpty(ceDir); 18315 for (File file : files) { 18316 final String packageName = file.getName(); 18317 try { 18318 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 18319 } catch (PackageManagerException e) { 18320 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 18321 synchronized (mInstallLock) { 18322 destroyAppDataLI(volumeUuid, packageName, userId, 18323 StorageManager.FLAG_STORAGE_CE); 18324 } 18325 } 18326 } 18327 } 18328 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 18329 restoreconNeeded |= SELinuxMMAC.isRestoreconNeeded(deDir); 18330 18331 final File[] files = FileUtils.listFilesOrEmpty(deDir); 18332 for (File file : files) { 18333 final String packageName = file.getName(); 18334 try { 18335 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 18336 } catch (PackageManagerException e) { 18337 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 18338 synchronized (mInstallLock) { 18339 destroyAppDataLI(volumeUuid, packageName, userId, 18340 StorageManager.FLAG_STORAGE_DE); 18341 } 18342 } 18343 } 18344 } 18345 18346 // Ensure that data directories are ready to roll for all packages 18347 // installed for this volume and user 18348 final List<PackageSetting> packages; 18349 synchronized (mPackages) { 18350 packages = mSettings.getVolumePackagesLPr(volumeUuid); 18351 } 18352 int preparedCount = 0; 18353 for (PackageSetting ps : packages) { 18354 final String packageName = ps.name; 18355 if (ps.pkg == null) { 18356 Slog.w(TAG, "Odd, missing scanned package " + packageName); 18357 // TODO: might be due to legacy ASEC apps; we should circle back 18358 // and reconcile again once they're scanned 18359 continue; 18360 } 18361 18362 if (ps.getInstalled(userId)) { 18363 prepareAppData(volumeUuid, userId, flags, ps.pkg, restoreconNeeded); 18364 18365 if (maybeMigrateAppData(volumeUuid, userId, ps.pkg)) { 18366 // We may have just shuffled around app data directories, so 18367 // prepare them one more time 18368 prepareAppData(volumeUuid, userId, flags, ps.pkg, restoreconNeeded); 18369 } 18370 18371 preparedCount++; 18372 } 18373 } 18374 18375 if (restoreconNeeded) { 18376 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 18377 SELinuxMMAC.setRestoreconDone(ceDir); 18378 } 18379 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 18380 SELinuxMMAC.setRestoreconDone(deDir); 18381 } 18382 } 18383 18384 Slog.v(TAG, "reconcileAppsData finished " + preparedCount 18385 + " packages; restoreconNeeded was " + restoreconNeeded); 18386 } 18387 18388 /** 18389 * Prepare app data for the given app just after it was installed or 18390 * upgraded. This method carefully only touches users that it's installed 18391 * for, and it forces a restorecon to handle any seinfo changes. 18392 * <p> 18393 * Verifies that directories exist and that ownership and labeling is 18394 * correct for all installed apps. If there is an ownership mismatch, it 18395 * will try recovering system apps by wiping data; third-party app data is 18396 * left intact. 18397 * <p> 18398 * <em>Note: To avoid a deadlock, do not call this method with {@code mPackages} lock held</em> 18399 */ 18400 private void prepareAppDataAfterInstall(PackageParser.Package pkg) { 18401 prepareAppDataAfterInstallInternal(pkg); 18402 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 18403 for (int i = 0; i < childCount; i++) { 18404 PackageParser.Package childPackage = pkg.childPackages.get(i); 18405 prepareAppDataAfterInstallInternal(childPackage); 18406 } 18407 } 18408 18409 private void prepareAppDataAfterInstallInternal(PackageParser.Package pkg) { 18410 final PackageSetting ps; 18411 synchronized (mPackages) { 18412 ps = mSettings.mPackages.get(pkg.packageName); 18413 mSettings.writeKernelMappingLPr(ps); 18414 } 18415 18416 final UserManager um = mContext.getSystemService(UserManager.class); 18417 for (UserInfo user : um.getUsers()) { 18418 final int flags; 18419 if (um.isUserUnlocked(user.id)) { 18420 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 18421 } else if (um.isUserRunning(user.id)) { 18422 flags = StorageManager.FLAG_STORAGE_DE; 18423 } else { 18424 continue; 18425 } 18426 18427 if (ps.getInstalled(user.id)) { 18428 // Whenever an app changes, force a restorecon of its data 18429 // TODO: when user data is locked, mark that we're still dirty 18430 prepareAppData(pkg.volumeUuid, user.id, flags, pkg, true); 18431 } 18432 } 18433 } 18434 18435 /** 18436 * Prepare app data for the given app. 18437 * <p> 18438 * Verifies that directories exist and that ownership and labeling is 18439 * correct for all installed apps. If there is an ownership mismatch, this 18440 * will try recovering system apps by wiping data; third-party app data is 18441 * left intact. 18442 */ 18443 private void prepareAppData(String volumeUuid, int userId, int flags, 18444 PackageParser.Package pkg, boolean restoreconNeeded) { 18445 if (DEBUG_APP_DATA) { 18446 Slog.v(TAG, "prepareAppData for " + pkg.packageName + " u" + userId + " 0x" 18447 + Integer.toHexString(flags) + (restoreconNeeded ? " restoreconNeeded" : "")); 18448 } 18449 18450 final String packageName = pkg.packageName; 18451 final ApplicationInfo app = pkg.applicationInfo; 18452 final int appId = UserHandle.getAppId(app.uid); 18453 18454 Preconditions.checkNotNull(app.seinfo); 18455 18456 synchronized (mInstallLock) { 18457 try { 18458 mInstaller.createAppData(volumeUuid, packageName, userId, flags, 18459 appId, app.seinfo, app.targetSdkVersion); 18460 } catch (InstallerException e) { 18461 if (app.isSystemApp()) { 18462 logCriticalInfo(Log.ERROR, "Failed to create app data for " + packageName 18463 + ", but trying to recover: " + e); 18464 destroyAppDataLI(volumeUuid, packageName, userId, flags); 18465 try { 18466 mInstaller.createAppData(volumeUuid, packageName, userId, flags, 18467 appId, app.seinfo, app.targetSdkVersion); 18468 logCriticalInfo(Log.DEBUG, "Recovery succeeded!"); 18469 } catch (InstallerException e2) { 18470 logCriticalInfo(Log.DEBUG, "Recovery failed!"); 18471 } 18472 } else { 18473 Slog.e(TAG, "Failed to create app data for " + packageName + ": " + e); 18474 } 18475 } 18476 18477 if (restoreconNeeded) { 18478 restoreconAppDataLI(volumeUuid, packageName, userId, flags, appId, app.seinfo); 18479 } 18480 18481 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 18482 // Create a native library symlink only if we have native libraries 18483 // and if the native libraries are 32 bit libraries. We do not provide 18484 // this symlink for 64 bit libraries. 18485 if (app.primaryCpuAbi != null && !VMRuntime.is64BitAbi(app.primaryCpuAbi)) { 18486 final String nativeLibPath = app.nativeLibraryDir; 18487 try { 18488 mInstaller.linkNativeLibraryDirectory(volumeUuid, packageName, 18489 nativeLibPath, userId); 18490 } catch (InstallerException e) { 18491 Slog.e(TAG, "Failed to link native for " + packageName + ": " + e); 18492 } 18493 } 18494 } 18495 } 18496 } 18497 18498 /** 18499 * For system apps on non-FBE devices, this method migrates any existing 18500 * CE/DE data to match the {@code defaultToDeviceProtectedStorage} flag 18501 * requested by the app. 18502 */ 18503 private boolean maybeMigrateAppData(String volumeUuid, int userId, PackageParser.Package pkg) { 18504 if (pkg.isSystemApp() && !StorageManager.isFileEncryptedNativeOrEmulated() 18505 && PackageManager.APPLY_DEFAULT_TO_DEVICE_PROTECTED_STORAGE) { 18506 final int storageTarget = pkg.applicationInfo.isDefaultToDeviceProtectedStorage() 18507 ? StorageManager.FLAG_STORAGE_DE : StorageManager.FLAG_STORAGE_CE; 18508 synchronized (mInstallLock) { 18509 try { 18510 mInstaller.migrateAppData(volumeUuid, pkg.packageName, userId, storageTarget); 18511 } catch (InstallerException e) { 18512 logCriticalInfo(Log.WARN, 18513 "Failed to migrate " + pkg.packageName + ": " + e.getMessage()); 18514 } 18515 } 18516 return true; 18517 } else { 18518 return false; 18519 } 18520 } 18521 18522 private void unfreezePackage(String packageName) { 18523 synchronized (mPackages) { 18524 final PackageSetting ps = mSettings.mPackages.get(packageName); 18525 if (ps != null) { 18526 ps.frozen = false; 18527 } 18528 } 18529 } 18530 18531 @Override 18532 public int movePackage(final String packageName, final String volumeUuid) { 18533 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 18534 18535 final int moveId = mNextMoveId.getAndIncrement(); 18536 mHandler.post(new Runnable() { 18537 @Override 18538 public void run() { 18539 try { 18540 movePackageInternal(packageName, volumeUuid, moveId); 18541 } catch (PackageManagerException e) { 18542 Slog.w(TAG, "Failed to move " + packageName, e); 18543 mMoveCallbacks.notifyStatusChanged(moveId, 18544 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 18545 } 18546 } 18547 }); 18548 return moveId; 18549 } 18550 18551 private void movePackageInternal(final String packageName, final String volumeUuid, 18552 final int moveId) throws PackageManagerException { 18553 final UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 18554 final StorageManager storage = mContext.getSystemService(StorageManager.class); 18555 final PackageManager pm = mContext.getPackageManager(); 18556 18557 final boolean currentAsec; 18558 final String currentVolumeUuid; 18559 final File codeFile; 18560 final String installerPackageName; 18561 final String packageAbiOverride; 18562 final int appId; 18563 final String seinfo; 18564 final String label; 18565 final int targetSdkVersion; 18566 18567 // reader 18568 synchronized (mPackages) { 18569 final PackageParser.Package pkg = mPackages.get(packageName); 18570 final PackageSetting ps = mSettings.mPackages.get(packageName); 18571 if (pkg == null || ps == null) { 18572 throw new PackageManagerException(MOVE_FAILED_DOESNT_EXIST, "Missing package"); 18573 } 18574 18575 if (pkg.applicationInfo.isSystemApp()) { 18576 throw new PackageManagerException(MOVE_FAILED_SYSTEM_PACKAGE, 18577 "Cannot move system application"); 18578 } 18579 18580 if (pkg.applicationInfo.isExternalAsec()) { 18581 currentAsec = true; 18582 currentVolumeUuid = StorageManager.UUID_PRIMARY_PHYSICAL; 18583 } else if (pkg.applicationInfo.isForwardLocked()) { 18584 currentAsec = true; 18585 currentVolumeUuid = "forward_locked"; 18586 } else { 18587 currentAsec = false; 18588 currentVolumeUuid = ps.volumeUuid; 18589 18590 final File probe = new File(pkg.codePath); 18591 final File probeOat = new File(probe, "oat"); 18592 if (!probe.isDirectory() || !probeOat.isDirectory()) { 18593 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 18594 "Move only supported for modern cluster style installs"); 18595 } 18596 } 18597 18598 if (Objects.equals(currentVolumeUuid, volumeUuid)) { 18599 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 18600 "Package already moved to " + volumeUuid); 18601 } 18602 if (pkg.applicationInfo.isInternal() && isPackageDeviceAdminOnAnyUser(packageName)) { 18603 throw new PackageManagerException(MOVE_FAILED_DEVICE_ADMIN, 18604 "Device admin cannot be moved"); 18605 } 18606 18607 if (ps.frozen) { 18608 throw new PackageManagerException(MOVE_FAILED_OPERATION_PENDING, 18609 "Failed to move already frozen package"); 18610 } 18611 ps.frozen = true; 18612 18613 codeFile = new File(pkg.codePath); 18614 installerPackageName = ps.installerPackageName; 18615 packageAbiOverride = ps.cpuAbiOverrideString; 18616 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 18617 seinfo = pkg.applicationInfo.seinfo; 18618 label = String.valueOf(pm.getApplicationLabel(pkg.applicationInfo)); 18619 targetSdkVersion = pkg.applicationInfo.targetSdkVersion; 18620 } 18621 18622 // Now that we're guarded by frozen state, kill app during move 18623 final long token = Binder.clearCallingIdentity(); 18624 try { 18625 killApplication(packageName, appId, "move pkg"); 18626 } finally { 18627 Binder.restoreCallingIdentity(token); 18628 } 18629 18630 final Bundle extras = new Bundle(); 18631 extras.putString(Intent.EXTRA_PACKAGE_NAME, packageName); 18632 extras.putString(Intent.EXTRA_TITLE, label); 18633 mMoveCallbacks.notifyCreated(moveId, extras); 18634 18635 int installFlags; 18636 final boolean moveCompleteApp; 18637 final File measurePath; 18638 18639 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, volumeUuid)) { 18640 installFlags = INSTALL_INTERNAL; 18641 moveCompleteApp = !currentAsec; 18642 measurePath = Environment.getDataAppDirectory(volumeUuid); 18643 } else if (Objects.equals(StorageManager.UUID_PRIMARY_PHYSICAL, volumeUuid)) { 18644 installFlags = INSTALL_EXTERNAL; 18645 moveCompleteApp = false; 18646 measurePath = storage.getPrimaryPhysicalVolume().getPath(); 18647 } else { 18648 final VolumeInfo volume = storage.findVolumeByUuid(volumeUuid); 18649 if (volume == null || volume.getType() != VolumeInfo.TYPE_PRIVATE 18650 || !volume.isMountedWritable()) { 18651 unfreezePackage(packageName); 18652 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 18653 "Move location not mounted private volume"); 18654 } 18655 18656 Preconditions.checkState(!currentAsec); 18657 18658 installFlags = INSTALL_INTERNAL; 18659 moveCompleteApp = true; 18660 measurePath = Environment.getDataAppDirectory(volumeUuid); 18661 } 18662 18663 final PackageStats stats = new PackageStats(null, -1); 18664 synchronized (mInstaller) { 18665 if (!getPackageSizeInfoLI(packageName, -1, stats)) { 18666 unfreezePackage(packageName); 18667 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 18668 "Failed to measure package size"); 18669 } 18670 } 18671 18672 if (DEBUG_INSTALL) Slog.d(TAG, "Measured code size " + stats.codeSize + ", data size " 18673 + stats.dataSize); 18674 18675 final long startFreeBytes = measurePath.getFreeSpace(); 18676 final long sizeBytes; 18677 if (moveCompleteApp) { 18678 sizeBytes = stats.codeSize + stats.dataSize; 18679 } else { 18680 sizeBytes = stats.codeSize; 18681 } 18682 18683 if (sizeBytes > storage.getStorageBytesUntilLow(measurePath)) { 18684 unfreezePackage(packageName); 18685 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 18686 "Not enough free space to move"); 18687 } 18688 18689 mMoveCallbacks.notifyStatusChanged(moveId, 10); 18690 18691 final CountDownLatch installedLatch = new CountDownLatch(1); 18692 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 18693 @Override 18694 public void onUserActionRequired(Intent intent) throws RemoteException { 18695 throw new IllegalStateException(); 18696 } 18697 18698 @Override 18699 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 18700 Bundle extras) throws RemoteException { 18701 if (DEBUG_INSTALL) Slog.d(TAG, "Install result for move: " 18702 + PackageManager.installStatusToString(returnCode, msg)); 18703 18704 installedLatch.countDown(); 18705 18706 // Regardless of success or failure of the move operation, 18707 // always unfreeze the package 18708 unfreezePackage(packageName); 18709 18710 final int status = PackageManager.installStatusToPublicStatus(returnCode); 18711 switch (status) { 18712 case PackageInstaller.STATUS_SUCCESS: 18713 mMoveCallbacks.notifyStatusChanged(moveId, 18714 PackageManager.MOVE_SUCCEEDED); 18715 break; 18716 case PackageInstaller.STATUS_FAILURE_STORAGE: 18717 mMoveCallbacks.notifyStatusChanged(moveId, 18718 PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 18719 break; 18720 default: 18721 mMoveCallbacks.notifyStatusChanged(moveId, 18722 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 18723 break; 18724 } 18725 } 18726 }; 18727 18728 final MoveInfo move; 18729 if (moveCompleteApp) { 18730 // Kick off a thread to report progress estimates 18731 new Thread() { 18732 @Override 18733 public void run() { 18734 while (true) { 18735 try { 18736 if (installedLatch.await(1, TimeUnit.SECONDS)) { 18737 break; 18738 } 18739 } catch (InterruptedException ignored) { 18740 } 18741 18742 final long deltaFreeBytes = startFreeBytes - measurePath.getFreeSpace(); 18743 final int progress = 10 + (int) MathUtils.constrain( 18744 ((deltaFreeBytes * 80) / sizeBytes), 0, 80); 18745 mMoveCallbacks.notifyStatusChanged(moveId, progress); 18746 } 18747 } 18748 }.start(); 18749 18750 final String dataAppName = codeFile.getName(); 18751 move = new MoveInfo(moveId, currentVolumeUuid, volumeUuid, packageName, 18752 dataAppName, appId, seinfo, targetSdkVersion); 18753 } else { 18754 move = null; 18755 } 18756 18757 installFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 18758 18759 final Message msg = mHandler.obtainMessage(INIT_COPY); 18760 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 18761 final InstallParams params = new InstallParams(origin, move, installObserver, installFlags, 18762 installerPackageName, volumeUuid, null /*verificationInfo*/, user, 18763 packageAbiOverride, null); 18764 params.setTraceMethod("movePackage").setTraceCookie(System.identityHashCode(params)); 18765 msg.obj = params; 18766 18767 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "movePackage", 18768 System.identityHashCode(msg.obj)); 18769 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 18770 System.identityHashCode(msg.obj)); 18771 18772 mHandler.sendMessage(msg); 18773 } 18774 18775 @Override 18776 public int movePrimaryStorage(String volumeUuid) throws RemoteException { 18777 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 18778 18779 final int realMoveId = mNextMoveId.getAndIncrement(); 18780 final Bundle extras = new Bundle(); 18781 extras.putString(VolumeRecord.EXTRA_FS_UUID, volumeUuid); 18782 mMoveCallbacks.notifyCreated(realMoveId, extras); 18783 18784 final IPackageMoveObserver callback = new IPackageMoveObserver.Stub() { 18785 @Override 18786 public void onCreated(int moveId, Bundle extras) { 18787 // Ignored 18788 } 18789 18790 @Override 18791 public void onStatusChanged(int moveId, int status, long estMillis) { 18792 mMoveCallbacks.notifyStatusChanged(realMoveId, status, estMillis); 18793 } 18794 }; 18795 18796 final StorageManager storage = mContext.getSystemService(StorageManager.class); 18797 storage.setPrimaryStorageUuid(volumeUuid, callback); 18798 return realMoveId; 18799 } 18800 18801 @Override 18802 public int getMoveStatus(int moveId) { 18803 mContext.enforceCallingOrSelfPermission( 18804 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 18805 return mMoveCallbacks.mLastStatus.get(moveId); 18806 } 18807 18808 @Override 18809 public void registerMoveCallback(IPackageMoveObserver callback) { 18810 mContext.enforceCallingOrSelfPermission( 18811 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 18812 mMoveCallbacks.register(callback); 18813 } 18814 18815 @Override 18816 public void unregisterMoveCallback(IPackageMoveObserver callback) { 18817 mContext.enforceCallingOrSelfPermission( 18818 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 18819 mMoveCallbacks.unregister(callback); 18820 } 18821 18822 @Override 18823 public boolean setInstallLocation(int loc) { 18824 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 18825 null); 18826 if (getInstallLocation() == loc) { 18827 return true; 18828 } 18829 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 18830 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 18831 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 18832 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 18833 return true; 18834 } 18835 return false; 18836 } 18837 18838 @Override 18839 public int getInstallLocation() { 18840 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 18841 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 18842 PackageHelper.APP_INSTALL_AUTO); 18843 } 18844 18845 /** Called by UserManagerService */ 18846 void cleanUpUser(UserManagerService userManager, int userHandle) { 18847 synchronized (mPackages) { 18848 mDirtyUsers.remove(userHandle); 18849 mUserNeedsBadging.delete(userHandle); 18850 mSettings.removeUserLPw(userHandle); 18851 mPendingBroadcasts.remove(userHandle); 18852 mEphemeralApplicationRegistry.onUserRemovedLPw(userHandle); 18853 } 18854 synchronized (mInstallLock) { 18855 final StorageManager storage = mContext.getSystemService(StorageManager.class); 18856 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 18857 final String volumeUuid = vol.getFsUuid(); 18858 if (DEBUG_INSTALL) Slog.d(TAG, "Removing user data on volume " + volumeUuid); 18859 try { 18860 mInstaller.removeUserDataDirs(volumeUuid, userHandle); 18861 } catch (InstallerException e) { 18862 Slog.w(TAG, "Failed to remove user data", e); 18863 } 18864 } 18865 synchronized (mPackages) { 18866 removeUnusedPackagesLILPw(userManager, userHandle); 18867 } 18868 } 18869 } 18870 18871 /** 18872 * We're removing userHandle and would like to remove any downloaded packages 18873 * that are no longer in use by any other user. 18874 * @param userHandle the user being removed 18875 */ 18876 private void removeUnusedPackagesLILPw(UserManagerService userManager, final int userHandle) { 18877 final boolean DEBUG_CLEAN_APKS = false; 18878 int [] users = userManager.getUserIds(); 18879 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 18880 while (psit.hasNext()) { 18881 PackageSetting ps = psit.next(); 18882 if (ps.pkg == null) { 18883 continue; 18884 } 18885 final String packageName = ps.pkg.packageName; 18886 // Skip over if system app 18887 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 18888 continue; 18889 } 18890 if (DEBUG_CLEAN_APKS) { 18891 Slog.i(TAG, "Checking package " + packageName); 18892 } 18893 boolean keep = shouldKeepUninstalledPackageLPr(packageName); 18894 if (keep) { 18895 if (DEBUG_CLEAN_APKS) { 18896 Slog.i(TAG, " Keeping package " + packageName + " - requested by DO"); 18897 } 18898 } else { 18899 for (int i = 0; i < users.length; i++) { 18900 if (users[i] != userHandle && ps.getInstalled(users[i])) { 18901 keep = true; 18902 if (DEBUG_CLEAN_APKS) { 18903 Slog.i(TAG, " Keeping package " + packageName + " for user " 18904 + users[i]); 18905 } 18906 break; 18907 } 18908 } 18909 } 18910 if (!keep) { 18911 if (DEBUG_CLEAN_APKS) { 18912 Slog.i(TAG, " Removing package " + packageName); 18913 } 18914 mHandler.post(new Runnable() { 18915 public void run() { 18916 deletePackageX(packageName, userHandle, 0); 18917 } //end run 18918 }); 18919 } 18920 } 18921 } 18922 18923 /** Called by UserManagerService */ 18924 void createNewUser(int userHandle) { 18925 synchronized (mInstallLock) { 18926 try { 18927 mInstaller.createUserConfig(userHandle); 18928 } catch (InstallerException e) { 18929 Slog.w(TAG, "Failed to create user config", e); 18930 } 18931 mSettings.createNewUserLI(this, mInstaller, userHandle); 18932 } 18933 synchronized (mPackages) { 18934 applyFactoryDefaultBrowserLPw(userHandle); 18935 primeDomainVerificationsLPw(userHandle); 18936 } 18937 } 18938 18939 void newUserCreated(final int userHandle) { 18940 mDefaultPermissionPolicy.grantDefaultPermissions(userHandle); 18941 // If permission review for legacy apps is required, we represent 18942 // dagerous permissions for such apps as always granted runtime 18943 // permissions to keep per user flag state whether review is needed. 18944 // Hence, if a new user is added we have to propagate dangerous 18945 // permission grants for these legacy apps. 18946 if (Build.PERMISSIONS_REVIEW_REQUIRED) { 18947 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 18948 | UPDATE_PERMISSIONS_REPLACE_ALL); 18949 } 18950 } 18951 18952 @Override 18953 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 18954 mContext.enforceCallingOrSelfPermission( 18955 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 18956 "Only package verification agents can read the verifier device identity"); 18957 18958 synchronized (mPackages) { 18959 return mSettings.getVerifierDeviceIdentityLPw(); 18960 } 18961 } 18962 18963 @Override 18964 public void setPermissionEnforced(String permission, boolean enforced) { 18965 // TODO: Now that we no longer change GID for storage, this should to away. 18966 mContext.enforceCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 18967 "setPermissionEnforced"); 18968 if (READ_EXTERNAL_STORAGE.equals(permission)) { 18969 synchronized (mPackages) { 18970 if (mSettings.mReadExternalStorageEnforced == null 18971 || mSettings.mReadExternalStorageEnforced != enforced) { 18972 mSettings.mReadExternalStorageEnforced = enforced; 18973 mSettings.writeLPr(); 18974 } 18975 } 18976 // kill any non-foreground processes so we restart them and 18977 // grant/revoke the GID. 18978 final IActivityManager am = ActivityManagerNative.getDefault(); 18979 if (am != null) { 18980 final long token = Binder.clearCallingIdentity(); 18981 try { 18982 am.killProcessesBelowForeground("setPermissionEnforcement"); 18983 } catch (RemoteException e) { 18984 } finally { 18985 Binder.restoreCallingIdentity(token); 18986 } 18987 } 18988 } else { 18989 throw new IllegalArgumentException("No selective enforcement for " + permission); 18990 } 18991 } 18992 18993 @Override 18994 @Deprecated 18995 public boolean isPermissionEnforced(String permission) { 18996 return true; 18997 } 18998 18999 @Override 19000 public boolean isStorageLow() { 19001 final long token = Binder.clearCallingIdentity(); 19002 try { 19003 final DeviceStorageMonitorInternal 19004 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 19005 if (dsm != null) { 19006 return dsm.isMemoryLow(); 19007 } else { 19008 return false; 19009 } 19010 } finally { 19011 Binder.restoreCallingIdentity(token); 19012 } 19013 } 19014 19015 @Override 19016 public IPackageInstaller getPackageInstaller() { 19017 return mInstallerService; 19018 } 19019 19020 private boolean userNeedsBadging(int userId) { 19021 int index = mUserNeedsBadging.indexOfKey(userId); 19022 if (index < 0) { 19023 final UserInfo userInfo; 19024 final long token = Binder.clearCallingIdentity(); 19025 try { 19026 userInfo = sUserManager.getUserInfo(userId); 19027 } finally { 19028 Binder.restoreCallingIdentity(token); 19029 } 19030 final boolean b; 19031 if (userInfo != null && userInfo.isManagedProfile()) { 19032 b = true; 19033 } else { 19034 b = false; 19035 } 19036 mUserNeedsBadging.put(userId, b); 19037 return b; 19038 } 19039 return mUserNeedsBadging.valueAt(index); 19040 } 19041 19042 @Override 19043 public KeySet getKeySetByAlias(String packageName, String alias) { 19044 if (packageName == null || alias == null) { 19045 return null; 19046 } 19047 synchronized(mPackages) { 19048 final PackageParser.Package pkg = mPackages.get(packageName); 19049 if (pkg == null) { 19050 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 19051 throw new IllegalArgumentException("Unknown package: " + packageName); 19052 } 19053 KeySetManagerService ksms = mSettings.mKeySetManagerService; 19054 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 19055 } 19056 } 19057 19058 @Override 19059 public KeySet getSigningKeySet(String packageName) { 19060 if (packageName == null) { 19061 return null; 19062 } 19063 synchronized(mPackages) { 19064 final PackageParser.Package pkg = mPackages.get(packageName); 19065 if (pkg == null) { 19066 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 19067 throw new IllegalArgumentException("Unknown package: " + packageName); 19068 } 19069 if (pkg.applicationInfo.uid != Binder.getCallingUid() 19070 && Process.SYSTEM_UID != Binder.getCallingUid()) { 19071 throw new SecurityException("May not access signing KeySet of other apps."); 19072 } 19073 KeySetManagerService ksms = mSettings.mKeySetManagerService; 19074 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 19075 } 19076 } 19077 19078 @Override 19079 public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { 19080 if (packageName == null || ks == null) { 19081 return false; 19082 } 19083 synchronized(mPackages) { 19084 final PackageParser.Package pkg = mPackages.get(packageName); 19085 if (pkg == null) { 19086 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 19087 throw new IllegalArgumentException("Unknown package: " + packageName); 19088 } 19089 IBinder ksh = ks.getToken(); 19090 if (ksh instanceof KeySetHandle) { 19091 KeySetManagerService ksms = mSettings.mKeySetManagerService; 19092 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 19093 } 19094 return false; 19095 } 19096 } 19097 19098 @Override 19099 public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { 19100 if (packageName == null || ks == null) { 19101 return false; 19102 } 19103 synchronized(mPackages) { 19104 final PackageParser.Package pkg = mPackages.get(packageName); 19105 if (pkg == null) { 19106 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 19107 throw new IllegalArgumentException("Unknown package: " + packageName); 19108 } 19109 IBinder ksh = ks.getToken(); 19110 if (ksh instanceof KeySetHandle) { 19111 KeySetManagerService ksms = mSettings.mKeySetManagerService; 19112 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 19113 } 19114 return false; 19115 } 19116 } 19117 19118 private void deletePackageIfUnusedLPr(final String packageName) { 19119 PackageSetting ps = mSettings.mPackages.get(packageName); 19120 if (ps == null) { 19121 return; 19122 } 19123 if (!ps.isAnyInstalled(sUserManager.getUserIds())) { 19124 // TODO Implement atomic delete if package is unused 19125 // It is currently possible that the package will be deleted even if it is installed 19126 // after this method returns. 19127 mHandler.post(new Runnable() { 19128 public void run() { 19129 deletePackageX(packageName, 0, PackageManager.DELETE_ALL_USERS); 19130 } 19131 }); 19132 } 19133 } 19134 19135 /** 19136 * Check and throw if the given before/after packages would be considered a 19137 * downgrade. 19138 */ 19139 private static void checkDowngrade(PackageParser.Package before, PackageInfoLite after) 19140 throws PackageManagerException { 19141 if (after.versionCode < before.mVersionCode) { 19142 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 19143 "Update version code " + after.versionCode + " is older than current " 19144 + before.mVersionCode); 19145 } else if (after.versionCode == before.mVersionCode) { 19146 if (after.baseRevisionCode < before.baseRevisionCode) { 19147 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 19148 "Update base revision code " + after.baseRevisionCode 19149 + " is older than current " + before.baseRevisionCode); 19150 } 19151 19152 if (!ArrayUtils.isEmpty(after.splitNames)) { 19153 for (int i = 0; i < after.splitNames.length; i++) { 19154 final String splitName = after.splitNames[i]; 19155 final int j = ArrayUtils.indexOf(before.splitNames, splitName); 19156 if (j != -1) { 19157 if (after.splitRevisionCodes[i] < before.splitRevisionCodes[j]) { 19158 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 19159 "Update split " + splitName + " revision code " 19160 + after.splitRevisionCodes[i] + " is older than current " 19161 + before.splitRevisionCodes[j]); 19162 } 19163 } 19164 } 19165 } 19166 } 19167 } 19168 19169 private static class MoveCallbacks extends Handler { 19170 private static final int MSG_CREATED = 1; 19171 private static final int MSG_STATUS_CHANGED = 2; 19172 19173 private final RemoteCallbackList<IPackageMoveObserver> 19174 mCallbacks = new RemoteCallbackList<>(); 19175 19176 private final SparseIntArray mLastStatus = new SparseIntArray(); 19177 19178 public MoveCallbacks(Looper looper) { 19179 super(looper); 19180 } 19181 19182 public void register(IPackageMoveObserver callback) { 19183 mCallbacks.register(callback); 19184 } 19185 19186 public void unregister(IPackageMoveObserver callback) { 19187 mCallbacks.unregister(callback); 19188 } 19189 19190 @Override 19191 public void handleMessage(Message msg) { 19192 final SomeArgs args = (SomeArgs) msg.obj; 19193 final int n = mCallbacks.beginBroadcast(); 19194 for (int i = 0; i < n; i++) { 19195 final IPackageMoveObserver callback = mCallbacks.getBroadcastItem(i); 19196 try { 19197 invokeCallback(callback, msg.what, args); 19198 } catch (RemoteException ignored) { 19199 } 19200 } 19201 mCallbacks.finishBroadcast(); 19202 args.recycle(); 19203 } 19204 19205 private void invokeCallback(IPackageMoveObserver callback, int what, SomeArgs args) 19206 throws RemoteException { 19207 switch (what) { 19208 case MSG_CREATED: { 19209 callback.onCreated(args.argi1, (Bundle) args.arg2); 19210 break; 19211 } 19212 case MSG_STATUS_CHANGED: { 19213 callback.onStatusChanged(args.argi1, args.argi2, (long) args.arg3); 19214 break; 19215 } 19216 } 19217 } 19218 19219 private void notifyCreated(int moveId, Bundle extras) { 19220 Slog.v(TAG, "Move " + moveId + " created " + extras.toString()); 19221 19222 final SomeArgs args = SomeArgs.obtain(); 19223 args.argi1 = moveId; 19224 args.arg2 = extras; 19225 obtainMessage(MSG_CREATED, args).sendToTarget(); 19226 } 19227 19228 private void notifyStatusChanged(int moveId, int status) { 19229 notifyStatusChanged(moveId, status, -1); 19230 } 19231 19232 private void notifyStatusChanged(int moveId, int status, long estMillis) { 19233 Slog.v(TAG, "Move " + moveId + " status " + status); 19234 19235 final SomeArgs args = SomeArgs.obtain(); 19236 args.argi1 = moveId; 19237 args.argi2 = status; 19238 args.arg3 = estMillis; 19239 obtainMessage(MSG_STATUS_CHANGED, args).sendToTarget(); 19240 19241 synchronized (mLastStatus) { 19242 mLastStatus.put(moveId, status); 19243 } 19244 } 19245 } 19246 19247 private final static class OnPermissionChangeListeners extends Handler { 19248 private static final int MSG_ON_PERMISSIONS_CHANGED = 1; 19249 19250 private final RemoteCallbackList<IOnPermissionsChangeListener> mPermissionListeners = 19251 new RemoteCallbackList<>(); 19252 19253 public OnPermissionChangeListeners(Looper looper) { 19254 super(looper); 19255 } 19256 19257 @Override 19258 public void handleMessage(Message msg) { 19259 switch (msg.what) { 19260 case MSG_ON_PERMISSIONS_CHANGED: { 19261 final int uid = msg.arg1; 19262 handleOnPermissionsChanged(uid); 19263 } break; 19264 } 19265 } 19266 19267 public void addListenerLocked(IOnPermissionsChangeListener listener) { 19268 mPermissionListeners.register(listener); 19269 19270 } 19271 19272 public void removeListenerLocked(IOnPermissionsChangeListener listener) { 19273 mPermissionListeners.unregister(listener); 19274 } 19275 19276 public void onPermissionsChanged(int uid) { 19277 if (mPermissionListeners.getRegisteredCallbackCount() > 0) { 19278 obtainMessage(MSG_ON_PERMISSIONS_CHANGED, uid, 0).sendToTarget(); 19279 } 19280 } 19281 19282 private void handleOnPermissionsChanged(int uid) { 19283 final int count = mPermissionListeners.beginBroadcast(); 19284 try { 19285 for (int i = 0; i < count; i++) { 19286 IOnPermissionsChangeListener callback = mPermissionListeners 19287 .getBroadcastItem(i); 19288 try { 19289 callback.onPermissionsChanged(uid); 19290 } catch (RemoteException e) { 19291 Log.e(TAG, "Permission listener is dead", e); 19292 } 19293 } 19294 } finally { 19295 mPermissionListeners.finishBroadcast(); 19296 } 19297 } 19298 } 19299 19300 private class PackageManagerInternalImpl extends PackageManagerInternal { 19301 @Override 19302 public void setLocationPackagesProvider(PackagesProvider provider) { 19303 synchronized (mPackages) { 19304 mDefaultPermissionPolicy.setLocationPackagesProviderLPw(provider); 19305 } 19306 } 19307 19308 @Override 19309 public void setVoiceInteractionPackagesProvider(PackagesProvider provider) { 19310 synchronized (mPackages) { 19311 mDefaultPermissionPolicy.setVoiceInteractionPackagesProviderLPw(provider); 19312 } 19313 } 19314 19315 @Override 19316 public void setSmsAppPackagesProvider(PackagesProvider provider) { 19317 synchronized (mPackages) { 19318 mDefaultPermissionPolicy.setSmsAppPackagesProviderLPw(provider); 19319 } 19320 } 19321 19322 @Override 19323 public void setDialerAppPackagesProvider(PackagesProvider provider) { 19324 synchronized (mPackages) { 19325 mDefaultPermissionPolicy.setDialerAppPackagesProviderLPw(provider); 19326 } 19327 } 19328 19329 @Override 19330 public void setSimCallManagerPackagesProvider(PackagesProvider provider) { 19331 synchronized (mPackages) { 19332 mDefaultPermissionPolicy.setSimCallManagerPackagesProviderLPw(provider); 19333 } 19334 } 19335 19336 @Override 19337 public void setSyncAdapterPackagesprovider(SyncAdapterPackagesProvider provider) { 19338 synchronized (mPackages) { 19339 mDefaultPermissionPolicy.setSyncAdapterPackagesProviderLPw(provider); 19340 } 19341 } 19342 19343 @Override 19344 public void grantDefaultPermissionsToDefaultSmsApp(String packageName, int userId) { 19345 synchronized (mPackages) { 19346 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSmsAppLPr( 19347 packageName, userId); 19348 } 19349 } 19350 19351 @Override 19352 public void grantDefaultPermissionsToDefaultDialerApp(String packageName, int userId) { 19353 synchronized (mPackages) { 19354 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultDialerAppLPr( 19355 packageName, userId); 19356 } 19357 } 19358 19359 @Override 19360 public void grantDefaultPermissionsToDefaultSimCallManager(String packageName, int userId) { 19361 synchronized (mPackages) { 19362 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSimCallManagerLPr( 19363 packageName, userId); 19364 } 19365 } 19366 19367 @Override 19368 public void setKeepUninstalledPackages(final List<String> packageList) { 19369 Preconditions.checkNotNull(packageList); 19370 List<String> removedFromList = null; 19371 synchronized (mPackages) { 19372 if (mKeepUninstalledPackages != null) { 19373 final int packagesCount = mKeepUninstalledPackages.size(); 19374 for (int i = 0; i < packagesCount; i++) { 19375 String oldPackage = mKeepUninstalledPackages.get(i); 19376 if (packageList != null && packageList.contains(oldPackage)) { 19377 continue; 19378 } 19379 if (removedFromList == null) { 19380 removedFromList = new ArrayList<>(); 19381 } 19382 removedFromList.add(oldPackage); 19383 } 19384 } 19385 mKeepUninstalledPackages = new ArrayList<>(packageList); 19386 if (removedFromList != null) { 19387 final int removedCount = removedFromList.size(); 19388 for (int i = 0; i < removedCount; i++) { 19389 deletePackageIfUnusedLPr(removedFromList.get(i)); 19390 } 19391 } 19392 } 19393 } 19394 19395 @Override 19396 public boolean isPermissionsReviewRequired(String packageName, int userId) { 19397 synchronized (mPackages) { 19398 // If we do not support permission review, done. 19399 if (!Build.PERMISSIONS_REVIEW_REQUIRED) { 19400 return false; 19401 } 19402 19403 PackageSetting packageSetting = mSettings.mPackages.get(packageName); 19404 if (packageSetting == null) { 19405 return false; 19406 } 19407 19408 // Permission review applies only to apps not supporting the new permission model. 19409 if (packageSetting.pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.M) { 19410 return false; 19411 } 19412 19413 // Legacy apps have the permission and get user consent on launch. 19414 PermissionsState permissionsState = packageSetting.getPermissionsState(); 19415 return permissionsState.isPermissionReviewRequired(userId); 19416 } 19417 } 19418 19419 @Override 19420 public ApplicationInfo getApplicationInfo(String packageName, int userId) { 19421 return PackageManagerService.this.getApplicationInfo(packageName, 0 /*flags*/, userId); 19422 } 19423 19424 @Override 19425 public ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 19426 int userId) { 19427 return PackageManagerService.this.getHomeActivitiesAsUser(allHomeCandidates, userId); 19428 } 19429 } 19430 19431 @Override 19432 public void grantDefaultPermissionsToEnabledCarrierApps(String[] packageNames, int userId) { 19433 enforceSystemOrPhoneCaller("grantPermissionsToEnabledCarrierApps"); 19434 synchronized (mPackages) { 19435 final long identity = Binder.clearCallingIdentity(); 19436 try { 19437 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledCarrierAppsLPr( 19438 packageNames, userId); 19439 } finally { 19440 Binder.restoreCallingIdentity(identity); 19441 } 19442 } 19443 } 19444 19445 private static void enforceSystemOrPhoneCaller(String tag) { 19446 int callingUid = Binder.getCallingUid(); 19447 if (callingUid != Process.PHONE_UID && callingUid != Process.SYSTEM_UID) { 19448 throw new SecurityException( 19449 "Cannot call " + tag + " from UID " + callingUid); 19450 } 19451 } 19452 19453 boolean isHistoricalPackageUsageAvailable() { 19454 return mPackageUsage.isHistoricalPackageUsageAvailable(); 19455 } 19456 19457 /** 19458 * Return a <b>copy</b> of the collection of packages known to the package manager. 19459 * @return A copy of the values of mPackages. 19460 */ 19461 Collection<PackageParser.Package> getPackages() { 19462 synchronized (mPackages) { 19463 return new ArrayList<>(mPackages.values()); 19464 } 19465 } 19466 19467 /** 19468 * Logs process start information (including base APK hash) to the security log. 19469 * @hide 19470 */ 19471 public void logAppProcessStartIfNeeded(String processName, int uid, String seinfo, 19472 String apkFile, int pid) { 19473 if (!SecurityLog.isLoggingEnabled()) { 19474 return; 19475 } 19476 Bundle data = new Bundle(); 19477 data.putLong("startTimestamp", System.currentTimeMillis()); 19478 data.putString("processName", processName); 19479 data.putInt("uid", uid); 19480 data.putString("seinfo", seinfo); 19481 data.putString("apkFile", apkFile); 19482 data.putInt("pid", pid); 19483 Message msg = mProcessLoggingHandler.obtainMessage( 19484 ProcessLoggingHandler.LOG_APP_PROCESS_START_MSG); 19485 msg.setData(data); 19486 mProcessLoggingHandler.sendMessage(msg); 19487 } 19488} 19489