PackageManagerService.java revision fe54b11803e7940d23b6c540b2e6db738299702c
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.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 28import static android.content.pm.PackageManager.FLAG_PERMISSION_POLICY_FIXED; 29import static android.content.pm.PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 30import static android.content.pm.PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE; 31import static android.content.pm.PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 32import static android.content.pm.PackageManager.FLAG_PERMISSION_USER_FIXED; 33import static android.content.pm.PackageManager.FLAG_PERMISSION_USER_SET; 34import static android.content.pm.PackageManager.INSTALL_EXTERNAL; 35import static android.content.pm.PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 36import static android.content.pm.PackageManager.INSTALL_FAILED_CONFLICTING_PROVIDER; 37import static android.content.pm.PackageManager.INSTALL_FAILED_DEXOPT; 38import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 39import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION; 40import static android.content.pm.PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID; 41import static android.content.pm.PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 42import static android.content.pm.PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 43import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_APK; 44import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 45import static android.content.pm.PackageManager.INSTALL_FAILED_MISSING_SHARED_LIBRARY; 46import static android.content.pm.PackageManager.INSTALL_FAILED_PACKAGE_CHANGED; 47import static android.content.pm.PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 48import static android.content.pm.PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 49import static android.content.pm.PackageManager.INSTALL_FAILED_TEST_ONLY; 50import static android.content.pm.PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 51import static android.content.pm.PackageManager.INSTALL_FAILED_USER_RESTRICTED; 52import static android.content.pm.PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 53import static android.content.pm.PackageManager.INSTALL_FORWARD_LOCK; 54import static android.content.pm.PackageManager.INSTALL_INTERNAL; 55import static android.content.pm.PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 56import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 57import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK; 58import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 59import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER; 60import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 61import static android.content.pm.PackageManager.MATCH_ALL; 62import static android.content.pm.PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 63import static android.content.pm.PackageManager.MATCH_DISABLED_COMPONENTS; 64import static android.content.pm.PackageManager.MATCH_ENCRYPTION_AWARE_AND_UNAWARE; 65import static android.content.pm.PackageManager.MATCH_SYSTEM_ONLY; 66import static android.content.pm.PackageManager.MATCH_UNINSTALLED_PACKAGES; 67import static android.content.pm.PackageManager.MOVE_FAILED_DOESNT_EXIST; 68import static android.content.pm.PackageManager.MOVE_FAILED_INTERNAL_ERROR; 69import static android.content.pm.PackageManager.MOVE_FAILED_OPERATION_PENDING; 70import static android.content.pm.PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; 71import static android.content.pm.PackageManager.PERMISSION_DENIED; 72import static android.content.pm.PackageManager.PERMISSION_GRANTED; 73import static android.content.pm.PackageParser.isApkFile; 74import static android.os.Process.PACKAGE_INFO_GID; 75import static android.os.Process.SYSTEM_UID; 76import static android.os.Trace.TRACE_TAG_PACKAGE_MANAGER; 77import static android.system.OsConstants.O_CREAT; 78import static android.system.OsConstants.O_RDWR; 79 80import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_MANAGED_PROFILE; 81import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_PARENT; 82import static com.android.internal.content.NativeLibraryHelper.LIB64_DIR_NAME; 83import static com.android.internal.content.NativeLibraryHelper.LIB_DIR_NAME; 84import static com.android.internal.util.ArrayUtils.appendInt; 85import static com.android.server.pm.Installer.DEXOPT_PUBLIC; 86import static com.android.server.pm.InstructionSets.getAppDexInstructionSets; 87import static com.android.server.pm.InstructionSets.getDexCodeInstructionSet; 88import static com.android.server.pm.InstructionSets.getDexCodeInstructionSets; 89import static com.android.server.pm.InstructionSets.getPreferredInstructionSet; 90import static com.android.server.pm.InstructionSets.getPrimaryInstructionSet; 91import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_FAILURE; 92import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS; 93import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED; 94 95import android.Manifest; 96import android.annotation.NonNull; 97import android.annotation.Nullable; 98import android.app.ActivityManager; 99import android.app.ActivityManagerNative; 100import android.app.AppGlobals; 101import android.app.IActivityManager; 102import android.app.admin.IDevicePolicyManager; 103import android.app.backup.IBackupManager; 104import android.content.BroadcastReceiver; 105import android.content.ComponentName; 106import android.content.Context; 107import android.content.IIntentReceiver; 108import android.content.Intent; 109import android.content.IntentFilter; 110import android.content.IntentSender; 111import android.content.IntentSender.SendIntentException; 112import android.content.ServiceConnection; 113import android.content.pm.ActivityInfo; 114import android.content.pm.ApplicationInfo; 115import android.content.pm.AppsQueryHelper; 116import android.content.pm.ComponentInfo; 117import android.content.pm.EphemeralApplicationInfo; 118import android.content.pm.EphemeralResolveInfo; 119import android.content.pm.EphemeralResolveInfo.EphemeralResolveIntentInfo; 120import android.content.pm.FeatureInfo; 121import android.content.pm.IOnPermissionsChangeListener; 122import android.content.pm.IPackageDataObserver; 123import android.content.pm.IPackageDeleteObserver; 124import android.content.pm.IPackageDeleteObserver2; 125import android.content.pm.IPackageInstallObserver2; 126import android.content.pm.IPackageInstaller; 127import android.content.pm.IPackageManager; 128import android.content.pm.IPackageMoveObserver; 129import android.content.pm.IPackageStatsObserver; 130import android.content.pm.InstrumentationInfo; 131import android.content.pm.IntentFilterVerificationInfo; 132import android.content.pm.KeySet; 133import android.content.pm.PackageCleanItem; 134import android.content.pm.PackageInfo; 135import android.content.pm.PackageInfoLite; 136import android.content.pm.PackageInstaller; 137import android.content.pm.PackageManager; 138import android.content.pm.PackageManager.LegacyPackageDeleteObserver; 139import android.content.pm.PackageManagerInternal; 140import android.content.pm.PackageParser; 141import android.content.pm.PackageParser.ActivityIntentInfo; 142import android.content.pm.PackageParser.Package; 143import android.content.pm.PackageParser.PackageLite; 144import android.content.pm.PackageParser.PackageParserException; 145import android.content.pm.PackageStats; 146import android.content.pm.PackageUserState; 147import android.content.pm.ParceledListSlice; 148import android.content.pm.PermissionGroupInfo; 149import android.content.pm.PermissionInfo; 150import android.content.pm.ProviderInfo; 151import android.content.pm.ResolveInfo; 152import android.content.pm.ServiceInfo; 153import android.content.pm.Signature; 154import android.content.pm.UserInfo; 155import android.content.pm.VerificationParams; 156import android.content.pm.VerifierDeviceIdentity; 157import android.content.pm.VerifierInfo; 158import android.content.res.Resources; 159import android.graphics.Bitmap; 160import android.hardware.display.DisplayManager; 161import android.net.Uri; 162import android.os.Binder; 163import android.os.Build; 164import android.os.Bundle; 165import android.os.Debug; 166import android.os.Environment; 167import android.os.Environment.UserEnvironment; 168import android.os.FileUtils; 169import android.os.Handler; 170import android.os.IBinder; 171import android.os.Looper; 172import android.os.Message; 173import android.os.Parcel; 174import android.os.ParcelFileDescriptor; 175import android.os.Process; 176import android.os.RemoteCallbackList; 177import android.os.RemoteException; 178import android.os.ResultReceiver; 179import android.os.SELinux; 180import android.os.ServiceManager; 181import android.os.SystemClock; 182import android.os.SystemProperties; 183import android.os.Trace; 184import android.os.UserHandle; 185import android.os.UserManager; 186import android.os.storage.IMountService; 187import android.os.storage.MountServiceInternal; 188import android.os.storage.StorageEventListener; 189import android.os.storage.StorageManager; 190import android.os.storage.VolumeInfo; 191import android.os.storage.VolumeRecord; 192import android.security.KeyStore; 193import android.security.SystemKeyStore; 194import android.system.ErrnoException; 195import android.system.Os; 196import android.text.TextUtils; 197import android.text.format.DateUtils; 198import android.util.ArrayMap; 199import android.util.ArraySet; 200import android.util.AtomicFile; 201import android.util.DisplayMetrics; 202import android.util.EventLog; 203import android.util.ExceptionUtils; 204import android.util.Log; 205import android.util.LogPrinter; 206import android.util.MathUtils; 207import android.util.PrintStreamPrinter; 208import android.util.Slog; 209import android.util.SparseArray; 210import android.util.SparseBooleanArray; 211import android.util.SparseIntArray; 212import android.util.Xml; 213import android.view.Display; 214 215import com.android.internal.R; 216import com.android.internal.annotations.GuardedBy; 217import com.android.internal.app.IMediaContainerService; 218import com.android.internal.app.ResolverActivity; 219import com.android.internal.content.NativeLibraryHelper; 220import com.android.internal.content.PackageHelper; 221import com.android.internal.os.IParcelFileDescriptorFactory; 222import com.android.internal.os.InstallerConnection.InstallerException; 223import com.android.internal.os.SomeArgs; 224import com.android.internal.os.Zygote; 225import com.android.internal.util.ArrayUtils; 226import com.android.internal.util.FastPrintWriter; 227import com.android.internal.util.FastXmlSerializer; 228import com.android.internal.util.IndentingPrintWriter; 229import com.android.internal.util.Preconditions; 230import com.android.internal.util.XmlUtils; 231import com.android.server.EventLogTags; 232import com.android.server.FgThread; 233import com.android.server.IntentResolver; 234import com.android.server.LocalServices; 235import com.android.server.ServiceThread; 236import com.android.server.SystemConfig; 237import com.android.server.Watchdog; 238import com.android.server.pm.Installer.StorageFlags; 239import com.android.server.pm.PermissionsState.PermissionState; 240import com.android.server.pm.Settings.DatabaseVersion; 241import com.android.server.pm.Settings.VersionInfo; 242import com.android.server.storage.DeviceStorageMonitorInternal; 243 244import dalvik.system.DexFile; 245import dalvik.system.VMRuntime; 246 247import libcore.io.IoUtils; 248import libcore.util.EmptyArray; 249 250import org.xmlpull.v1.XmlPullParser; 251import org.xmlpull.v1.XmlPullParserException; 252import org.xmlpull.v1.XmlSerializer; 253 254import java.io.BufferedInputStream; 255import java.io.BufferedOutputStream; 256import java.io.BufferedReader; 257import java.io.ByteArrayInputStream; 258import java.io.ByteArrayOutputStream; 259import java.io.File; 260import java.io.FileDescriptor; 261import java.io.FileNotFoundException; 262import java.io.FileOutputStream; 263import java.io.FileReader; 264import java.io.FilenameFilter; 265import java.io.IOException; 266import java.io.InputStream; 267import java.io.PrintStream; 268import java.io.PrintWriter; 269import java.nio.charset.StandardCharsets; 270import java.security.MessageDigest; 271import java.security.NoSuchAlgorithmException; 272import java.security.PublicKey; 273import java.security.cert.CertificateEncodingException; 274import java.security.cert.CertificateException; 275import java.text.SimpleDateFormat; 276import java.util.ArrayList; 277import java.util.Arrays; 278import java.util.Collection; 279import java.util.Collections; 280import java.util.Comparator; 281import java.util.Date; 282import java.util.HashSet; 283import java.util.Iterator; 284import java.util.List; 285import java.util.Map; 286import java.util.Objects; 287import java.util.Set; 288import java.util.concurrent.CountDownLatch; 289import java.util.concurrent.TimeUnit; 290import java.util.concurrent.atomic.AtomicBoolean; 291import java.util.concurrent.atomic.AtomicInteger; 292import java.util.concurrent.atomic.AtomicLong; 293 294/** 295 * Keep track of all those .apks everywhere. 296 * 297 * This is very central to the platform's security; please run the unit 298 * tests whenever making modifications here: 299 * 300runtest -c android.content.pm.PackageManagerTests frameworks-core 301 * 302 * {@hide} 303 */ 304public class PackageManagerService extends IPackageManager.Stub { 305 static final String TAG = "PackageManager"; 306 static final boolean DEBUG_SETTINGS = false; 307 static final boolean DEBUG_PREFERRED = false; 308 static final boolean DEBUG_UPGRADE = false; 309 static final boolean DEBUG_DOMAIN_VERIFICATION = false; 310 private static final boolean DEBUG_BACKUP = false; 311 private static final boolean DEBUG_INSTALL = false; 312 private static final boolean DEBUG_REMOVE = false; 313 private static final boolean DEBUG_BROADCASTS = false; 314 private static final boolean DEBUG_SHOW_INFO = false; 315 private static final boolean DEBUG_PACKAGE_INFO = false; 316 private static final boolean DEBUG_INTENT_MATCHING = false; 317 private static final boolean DEBUG_PACKAGE_SCANNING = false; 318 private static final boolean DEBUG_VERIFY = false; 319 320 // Debug output for dexopting. This is shared between PackageManagerService, OtaDexoptService 321 // and PackageDexOptimizer. All these classes have their own flag to allow switching a single 322 // user, but by default initialize to this. 323 static final boolean DEBUG_DEXOPT = false; 324 325 private static final boolean DEBUG_ABI_SELECTION = false; 326 private static final boolean DEBUG_EPHEMERAL = false; 327 private static final boolean DEBUG_TRIAGED_MISSING = false; 328 private static final boolean DEBUG_APP_DATA = false; 329 330 static final boolean CLEAR_RUNTIME_PERMISSIONS_ON_UPGRADE = false; 331 332 private static final boolean DISABLE_EPHEMERAL_APPS = true; 333 334 private static final int RADIO_UID = Process.PHONE_UID; 335 private static final int LOG_UID = Process.LOG_UID; 336 private static final int NFC_UID = Process.NFC_UID; 337 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 338 private static final int SHELL_UID = Process.SHELL_UID; 339 340 // Cap the size of permission trees that 3rd party apps can define 341 private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768; // characters of text 342 343 // Suffix used during package installation when copying/moving 344 // package apks to install directory. 345 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 346 347 static final int SCAN_NO_DEX = 1<<1; 348 static final int SCAN_FORCE_DEX = 1<<2; 349 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 350 static final int SCAN_NEW_INSTALL = 1<<4; 351 static final int SCAN_NO_PATHS = 1<<5; 352 static final int SCAN_UPDATE_TIME = 1<<6; 353 static final int SCAN_DEFER_DEX = 1<<7; 354 static final int SCAN_BOOTING = 1<<8; 355 static final int SCAN_TRUSTED_OVERLAY = 1<<9; 356 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<10; 357 static final int SCAN_REPLACING = 1<<11; 358 static final int SCAN_REQUIRE_KNOWN = 1<<12; 359 static final int SCAN_MOVE = 1<<13; 360 static final int SCAN_INITIAL = 1<<14; 361 362 static final int REMOVE_CHATTY = 1<<16; 363 364 private static final int[] EMPTY_INT_ARRAY = new int[0]; 365 366 /** 367 * Timeout (in milliseconds) after which the watchdog should declare that 368 * our handler thread is wedged. The usual default for such things is one 369 * minute but we sometimes do very lengthy I/O operations on this thread, 370 * such as installing multi-gigabyte applications, so ours needs to be longer. 371 */ 372 private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 373 374 /** 375 * Wall-clock timeout (in milliseconds) after which we *require* that an fstrim 376 * be run on this device. We use the value in the Settings.Global.MANDATORY_FSTRIM_INTERVAL 377 * settings entry if available, otherwise we use the hardcoded default. If it's been 378 * more than this long since the last fstrim, we force one during the boot sequence. 379 * 380 * This backstops other fstrim scheduling: if the device is alive at midnight+idle, 381 * one gets run at the next available charging+idle time. This final mandatory 382 * no-fstrim check kicks in only of the other scheduling criteria is never met. 383 */ 384 private static final long DEFAULT_MANDATORY_FSTRIM_INTERVAL = 3 * DateUtils.DAY_IN_MILLIS; 385 386 /** 387 * Whether verification is enabled by default. 388 */ 389 private static final boolean DEFAULT_VERIFY_ENABLE = true; 390 391 /** 392 * The default maximum time to wait for the verification agent to return in 393 * milliseconds. 394 */ 395 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 396 397 /** 398 * The default response for package verification timeout. 399 * 400 * This can be either PackageManager.VERIFICATION_ALLOW or 401 * PackageManager.VERIFICATION_REJECT. 402 */ 403 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 404 405 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 406 407 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 408 DEFAULT_CONTAINER_PACKAGE, 409 "com.android.defcontainer.DefaultContainerService"); 410 411 private static final String KILL_APP_REASON_GIDS_CHANGED = 412 "permission grant or revoke changed gids"; 413 414 private static final String KILL_APP_REASON_PERMISSIONS_REVOKED = 415 "permissions revoked"; 416 417 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 418 419 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 420 421 /** Permission grant: not grant the permission. */ 422 private static final int GRANT_DENIED = 1; 423 424 /** Permission grant: grant the permission as an install permission. */ 425 private static final int GRANT_INSTALL = 2; 426 427 /** Permission grant: grant the permission as a runtime one. */ 428 private static final int GRANT_RUNTIME = 3; 429 430 /** Permission grant: grant as runtime a permission that was granted as an install time one. */ 431 private static final int GRANT_UPGRADE = 4; 432 433 /** Canonical intent used to identify what counts as a "web browser" app */ 434 private static final Intent sBrowserIntent; 435 static { 436 sBrowserIntent = new Intent(); 437 sBrowserIntent.setAction(Intent.ACTION_VIEW); 438 sBrowserIntent.addCategory(Intent.CATEGORY_BROWSABLE); 439 sBrowserIntent.setData(Uri.parse("http:")); 440 } 441 442 final ServiceThread mHandlerThread; 443 444 final PackageHandler mHandler; 445 446 /** 447 * Messages for {@link #mHandler} that need to wait for system ready before 448 * being dispatched. 449 */ 450 private ArrayList<Message> mPostSystemReadyMessages; 451 452 final int mSdkVersion = Build.VERSION.SDK_INT; 453 454 final Context mContext; 455 final boolean mFactoryTest; 456 final boolean mOnlyCore; 457 final DisplayMetrics mMetrics; 458 final int mDefParseFlags; 459 final String[] mSeparateProcesses; 460 final boolean mIsUpgrade; 461 462 /** The location for ASEC container files on internal storage. */ 463 final String mAsecInternalPath; 464 465 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 466 // LOCK HELD. Can be called with mInstallLock held. 467 @GuardedBy("mInstallLock") 468 final Installer mInstaller; 469 470 /** Directory where installed third-party apps stored */ 471 final File mAppInstallDir; 472 final File mEphemeralInstallDir; 473 474 /** 475 * Directory to which applications installed internally have their 476 * 32 bit native libraries copied. 477 */ 478 private File mAppLib32InstallDir; 479 480 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 481 // apps. 482 final File mDrmAppPrivateInstallDir; 483 484 // ---------------------------------------------------------------- 485 486 // Lock for state used when installing and doing other long running 487 // operations. Methods that must be called with this lock held have 488 // the suffix "LI". 489 final Object mInstallLock = new Object(); 490 491 // ---------------------------------------------------------------- 492 493 // Keys are String (package name), values are Package. This also serves 494 // as the lock for the global state. Methods that must be called with 495 // this lock held have the prefix "LP". 496 @GuardedBy("mPackages") 497 final ArrayMap<String, PackageParser.Package> mPackages = 498 new ArrayMap<String, PackageParser.Package>(); 499 500 // Tracks available target package names -> overlay package paths. 501 final ArrayMap<String, ArrayMap<String, PackageParser.Package>> mOverlays = 502 new ArrayMap<String, ArrayMap<String, PackageParser.Package>>(); 503 504 /** 505 * Tracks new system packages [received in an OTA] that we expect to 506 * find updated user-installed versions. Keys are package name, values 507 * are package location. 508 */ 509 final private ArrayMap<String, File> mExpectingBetter = new ArrayMap<>(); 510 511 /** 512 * Tracks existing system packages prior to receiving an OTA. Keys are package name. 513 */ 514 final private ArraySet<String> mExistingSystemPackages = new ArraySet<>(); 515 /** 516 * Whether or not system app permissions should be promoted from install to runtime. 517 */ 518 boolean mPromoteSystemApps; 519 520 final Settings mSettings; 521 boolean mRestoredSettings; 522 523 // System configuration read by SystemConfig. 524 final int[] mGlobalGids; 525 final SparseArray<ArraySet<String>> mSystemPermissions; 526 final ArrayMap<String, FeatureInfo> mAvailableFeatures; 527 528 // If mac_permissions.xml was found for seinfo labeling. 529 boolean mFoundPolicyFile; 530 531 private final EphemeralApplicationRegistry mEphemeralApplicationRegistry; 532 533 public static final class SharedLibraryEntry { 534 public final String path; 535 public final String apk; 536 537 SharedLibraryEntry(String _path, String _apk) { 538 path = _path; 539 apk = _apk; 540 } 541 } 542 543 // Currently known shared libraries. 544 final ArrayMap<String, SharedLibraryEntry> mSharedLibraries = 545 new ArrayMap<String, SharedLibraryEntry>(); 546 547 // All available activities, for your resolving pleasure. 548 final ActivityIntentResolver mActivities = 549 new ActivityIntentResolver(); 550 551 // All available receivers, for your resolving pleasure. 552 final ActivityIntentResolver mReceivers = 553 new ActivityIntentResolver(); 554 555 // All available services, for your resolving pleasure. 556 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 557 558 // All available providers, for your resolving pleasure. 559 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 560 561 // Mapping from provider base names (first directory in content URI codePath) 562 // to the provider information. 563 final ArrayMap<String, PackageParser.Provider> mProvidersByAuthority = 564 new ArrayMap<String, PackageParser.Provider>(); 565 566 // Mapping from instrumentation class names to info about them. 567 final ArrayMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 568 new ArrayMap<ComponentName, PackageParser.Instrumentation>(); 569 570 // Mapping from permission names to info about them. 571 final ArrayMap<String, PackageParser.PermissionGroup> mPermissionGroups = 572 new ArrayMap<String, PackageParser.PermissionGroup>(); 573 574 // Packages whose data we have transfered into another package, thus 575 // should no longer exist. 576 final ArraySet<String> mTransferedPackages = new ArraySet<String>(); 577 578 // Broadcast actions that are only available to the system. 579 final ArraySet<String> mProtectedBroadcasts = new ArraySet<String>(); 580 581 /** List of packages waiting for verification. */ 582 final SparseArray<PackageVerificationState> mPendingVerification 583 = new SparseArray<PackageVerificationState>(); 584 585 /** Set of packages associated with each app op permission. */ 586 final ArrayMap<String, ArraySet<String>> mAppOpPermissionPackages = new ArrayMap<>(); 587 588 final PackageInstallerService mInstallerService; 589 590 private final PackageDexOptimizer mPackageDexOptimizer; 591 592 private AtomicInteger mNextMoveId = new AtomicInteger(); 593 private final MoveCallbacks mMoveCallbacks; 594 595 private final OnPermissionChangeListeners mOnPermissionChangeListeners; 596 597 // Cache of users who need badging. 598 SparseBooleanArray mUserNeedsBadging = new SparseBooleanArray(); 599 600 /** Token for keys in mPendingVerification. */ 601 private int mPendingVerificationToken = 0; 602 603 volatile boolean mSystemReady; 604 volatile boolean mSafeMode; 605 volatile boolean mHasSystemUidErrors; 606 607 ApplicationInfo mAndroidApplication; 608 final ActivityInfo mResolveActivity = new ActivityInfo(); 609 final ResolveInfo mResolveInfo = new ResolveInfo(); 610 ComponentName mResolveComponentName; 611 PackageParser.Package mPlatformPackage; 612 ComponentName mCustomResolverComponentName; 613 614 boolean mResolverReplaced = false; 615 616 private final @Nullable ComponentName mIntentFilterVerifierComponent; 617 private final @Nullable IntentFilterVerifier<ActivityIntentInfo> mIntentFilterVerifier; 618 619 private int mIntentFilterVerificationToken = 0; 620 621 /** Component that knows whether or not an ephemeral application exists */ 622 final ComponentName mEphemeralResolverComponent; 623 /** The service connection to the ephemeral resolver */ 624 final EphemeralResolverConnection mEphemeralResolverConnection; 625 626 /** Component used to install ephemeral applications */ 627 final ComponentName mEphemeralInstallerComponent; 628 final ActivityInfo mEphemeralInstallerActivity = new ActivityInfo(); 629 final ResolveInfo mEphemeralInstallerInfo = new ResolveInfo(); 630 631 final SparseArray<IntentFilterVerificationState> mIntentFilterVerificationStates 632 = new SparseArray<IntentFilterVerificationState>(); 633 634 final DefaultPermissionGrantPolicy mDefaultPermissionPolicy = 635 new DefaultPermissionGrantPolicy(this); 636 637 // List of packages names to keep cached, even if they are uninstalled for all users 638 private List<String> mKeepUninstalledPackages; 639 640 private boolean mUseJitProfiles = 641 SystemProperties.getBoolean("dalvik.vm.usejitprofiles", false); 642 643 private static class IFVerificationParams { 644 PackageParser.Package pkg; 645 boolean replacing; 646 int userId; 647 int verifierUid; 648 649 public IFVerificationParams(PackageParser.Package _pkg, boolean _replacing, 650 int _userId, int _verifierUid) { 651 pkg = _pkg; 652 replacing = _replacing; 653 userId = _userId; 654 replacing = _replacing; 655 verifierUid = _verifierUid; 656 } 657 } 658 659 private interface IntentFilterVerifier<T extends IntentFilter> { 660 boolean addOneIntentFilterVerification(int verifierId, int userId, int verificationId, 661 T filter, String packageName); 662 void startVerifications(int userId); 663 void receiveVerificationResponse(int verificationId); 664 } 665 666 private class IntentVerifierProxy implements IntentFilterVerifier<ActivityIntentInfo> { 667 private Context mContext; 668 private ComponentName mIntentFilterVerifierComponent; 669 private ArrayList<Integer> mCurrentIntentFilterVerifications = new ArrayList<Integer>(); 670 671 public IntentVerifierProxy(Context context, ComponentName verifierComponent) { 672 mContext = context; 673 mIntentFilterVerifierComponent = verifierComponent; 674 } 675 676 private String getDefaultScheme() { 677 return IntentFilter.SCHEME_HTTPS; 678 } 679 680 @Override 681 public void startVerifications(int userId) { 682 // Launch verifications requests 683 int count = mCurrentIntentFilterVerifications.size(); 684 for (int n=0; n<count; n++) { 685 int verificationId = mCurrentIntentFilterVerifications.get(n); 686 final IntentFilterVerificationState ivs = 687 mIntentFilterVerificationStates.get(verificationId); 688 689 String packageName = ivs.getPackageName(); 690 691 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 692 final int filterCount = filters.size(); 693 ArraySet<String> domainsSet = new ArraySet<>(); 694 for (int m=0; m<filterCount; m++) { 695 PackageParser.ActivityIntentInfo filter = filters.get(m); 696 domainsSet.addAll(filter.getHostsList()); 697 } 698 ArrayList<String> domainsList = new ArrayList<>(domainsSet); 699 synchronized (mPackages) { 700 if (mSettings.createIntentFilterVerificationIfNeededLPw( 701 packageName, domainsList) != null) { 702 scheduleWriteSettingsLocked(); 703 } 704 } 705 sendVerificationRequest(userId, verificationId, ivs); 706 } 707 mCurrentIntentFilterVerifications.clear(); 708 } 709 710 private void sendVerificationRequest(int userId, int verificationId, 711 IntentFilterVerificationState ivs) { 712 713 Intent verificationIntent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 714 verificationIntent.putExtra( 715 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_ID, 716 verificationId); 717 verificationIntent.putExtra( 718 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_URI_SCHEME, 719 getDefaultScheme()); 720 verificationIntent.putExtra( 721 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_HOSTS, 722 ivs.getHostsString()); 723 verificationIntent.putExtra( 724 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_PACKAGE_NAME, 725 ivs.getPackageName()); 726 verificationIntent.setComponent(mIntentFilterVerifierComponent); 727 verificationIntent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 728 729 UserHandle user = new UserHandle(userId); 730 mContext.sendBroadcastAsUser(verificationIntent, user); 731 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 732 "Sending IntentFilter verification broadcast"); 733 } 734 735 public void receiveVerificationResponse(int verificationId) { 736 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 737 738 final boolean verified = ivs.isVerified(); 739 740 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 741 final int count = filters.size(); 742 if (DEBUG_DOMAIN_VERIFICATION) { 743 Slog.i(TAG, "Received verification response " + verificationId 744 + " for " + count + " filters, verified=" + verified); 745 } 746 for (int n=0; n<count; n++) { 747 PackageParser.ActivityIntentInfo filter = filters.get(n); 748 filter.setVerified(verified); 749 750 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "IntentFilter " + filter.toString() 751 + " verified with result:" + verified + " and hosts:" 752 + ivs.getHostsString()); 753 } 754 755 mIntentFilterVerificationStates.remove(verificationId); 756 757 final String packageName = ivs.getPackageName(); 758 IntentFilterVerificationInfo ivi = null; 759 760 synchronized (mPackages) { 761 ivi = mSettings.getIntentFilterVerificationLPr(packageName); 762 } 763 if (ivi == null) { 764 Slog.w(TAG, "IntentFilterVerificationInfo not found for verificationId:" 765 + verificationId + " packageName:" + packageName); 766 return; 767 } 768 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 769 "Updating IntentFilterVerificationInfo for package " + packageName 770 +" verificationId:" + verificationId); 771 772 synchronized (mPackages) { 773 if (verified) { 774 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS); 775 } else { 776 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK); 777 } 778 scheduleWriteSettingsLocked(); 779 780 final int userId = ivs.getUserId(); 781 if (userId != UserHandle.USER_ALL) { 782 final int userStatus = 783 mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 784 785 int updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 786 boolean needUpdate = false; 787 788 // We cannot override the STATUS_ALWAYS / STATUS_NEVER states if they have 789 // already been set by the User thru the Disambiguation dialog 790 switch (userStatus) { 791 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 792 if (verified) { 793 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 794 } else { 795 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 796 } 797 needUpdate = true; 798 break; 799 800 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 801 if (verified) { 802 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 803 needUpdate = true; 804 } 805 break; 806 807 default: 808 // Nothing to do 809 } 810 811 if (needUpdate) { 812 mSettings.updateIntentFilterVerificationStatusLPw( 813 packageName, updatedStatus, userId); 814 scheduleWritePackageRestrictionsLocked(userId); 815 } 816 } 817 } 818 } 819 820 @Override 821 public boolean addOneIntentFilterVerification(int verifierUid, int userId, int verificationId, 822 ActivityIntentInfo filter, String packageName) { 823 if (!hasValidDomains(filter)) { 824 return false; 825 } 826 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 827 if (ivs == null) { 828 ivs = createDomainVerificationState(verifierUid, userId, verificationId, 829 packageName); 830 } 831 if (DEBUG_DOMAIN_VERIFICATION) { 832 Slog.d(TAG, "Adding verification filter for " + packageName + ": " + filter); 833 } 834 ivs.addFilter(filter); 835 return true; 836 } 837 838 private IntentFilterVerificationState createDomainVerificationState(int verifierUid, 839 int userId, int verificationId, String packageName) { 840 IntentFilterVerificationState ivs = new IntentFilterVerificationState( 841 verifierUid, userId, packageName); 842 ivs.setPendingState(); 843 synchronized (mPackages) { 844 mIntentFilterVerificationStates.append(verificationId, ivs); 845 mCurrentIntentFilterVerifications.add(verificationId); 846 } 847 return ivs; 848 } 849 } 850 851 private static boolean hasValidDomains(ActivityIntentInfo filter) { 852 return filter.hasCategory(Intent.CATEGORY_BROWSABLE) 853 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 854 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS)); 855 } 856 857 // Set of pending broadcasts for aggregating enable/disable of components. 858 static class PendingPackageBroadcasts { 859 // for each user id, a map of <package name -> components within that package> 860 final SparseArray<ArrayMap<String, ArrayList<String>>> mUidMap; 861 862 public PendingPackageBroadcasts() { 863 mUidMap = new SparseArray<ArrayMap<String, ArrayList<String>>>(2); 864 } 865 866 public ArrayList<String> get(int userId, String packageName) { 867 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 868 return packages.get(packageName); 869 } 870 871 public void put(int userId, String packageName, ArrayList<String> components) { 872 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 873 packages.put(packageName, components); 874 } 875 876 public void remove(int userId, String packageName) { 877 ArrayMap<String, ArrayList<String>> packages = mUidMap.get(userId); 878 if (packages != null) { 879 packages.remove(packageName); 880 } 881 } 882 883 public void remove(int userId) { 884 mUidMap.remove(userId); 885 } 886 887 public int userIdCount() { 888 return mUidMap.size(); 889 } 890 891 public int userIdAt(int n) { 892 return mUidMap.keyAt(n); 893 } 894 895 public ArrayMap<String, ArrayList<String>> packagesForUserId(int userId) { 896 return mUidMap.get(userId); 897 } 898 899 public int size() { 900 // total number of pending broadcast entries across all userIds 901 int num = 0; 902 for (int i = 0; i< mUidMap.size(); i++) { 903 num += mUidMap.valueAt(i).size(); 904 } 905 return num; 906 } 907 908 public void clear() { 909 mUidMap.clear(); 910 } 911 912 private ArrayMap<String, ArrayList<String>> getOrAllocate(int userId) { 913 ArrayMap<String, ArrayList<String>> map = mUidMap.get(userId); 914 if (map == null) { 915 map = new ArrayMap<String, ArrayList<String>>(); 916 mUidMap.put(userId, map); 917 } 918 return map; 919 } 920 } 921 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 922 923 // Service Connection to remote media container service to copy 924 // package uri's from external media onto secure containers 925 // or internal storage. 926 private IMediaContainerService mContainerService = null; 927 928 static final int SEND_PENDING_BROADCAST = 1; 929 static final int MCS_BOUND = 3; 930 static final int END_COPY = 4; 931 static final int INIT_COPY = 5; 932 static final int MCS_UNBIND = 6; 933 static final int START_CLEANING_PACKAGE = 7; 934 static final int FIND_INSTALL_LOC = 8; 935 static final int POST_INSTALL = 9; 936 static final int MCS_RECONNECT = 10; 937 static final int MCS_GIVE_UP = 11; 938 static final int UPDATED_MEDIA_STATUS = 12; 939 static final int WRITE_SETTINGS = 13; 940 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 941 static final int PACKAGE_VERIFIED = 15; 942 static final int CHECK_PENDING_VERIFICATION = 16; 943 static final int START_INTENT_FILTER_VERIFICATIONS = 17; 944 static final int INTENT_FILTER_VERIFIED = 18; 945 946 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 947 948 // Delay time in millisecs 949 static final int BROADCAST_DELAY = 10 * 1000; 950 951 static UserManagerService sUserManager; 952 953 // Stores a list of users whose package restrictions file needs to be updated 954 private ArraySet<Integer> mDirtyUsers = new ArraySet<Integer>(); 955 956 final private DefaultContainerConnection mDefContainerConn = 957 new DefaultContainerConnection(); 958 class DefaultContainerConnection implements ServiceConnection { 959 public void onServiceConnected(ComponentName name, IBinder service) { 960 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 961 IMediaContainerService imcs = 962 IMediaContainerService.Stub.asInterface(service); 963 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 964 } 965 966 public void onServiceDisconnected(ComponentName name) { 967 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 968 } 969 } 970 971 // Recordkeeping of restore-after-install operations that are currently in flight 972 // between the Package Manager and the Backup Manager 973 static class PostInstallData { 974 public InstallArgs args; 975 public PackageInstalledInfo res; 976 977 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 978 args = _a; 979 res = _r; 980 } 981 } 982 983 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 984 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 985 986 // XML tags for backup/restore of various bits of state 987 private static final String TAG_PREFERRED_BACKUP = "pa"; 988 private static final String TAG_DEFAULT_APPS = "da"; 989 private static final String TAG_INTENT_FILTER_VERIFICATION = "iv"; 990 991 private static final String TAG_PERMISSION_BACKUP = "perm-grant-backup"; 992 private static final String TAG_ALL_GRANTS = "rt-grants"; 993 private static final String TAG_GRANT = "grant"; 994 private static final String ATTR_PACKAGE_NAME = "pkg"; 995 996 private static final String TAG_PERMISSION = "perm"; 997 private static final String ATTR_PERMISSION_NAME = "name"; 998 private static final String ATTR_IS_GRANTED = "g"; 999 private static final String ATTR_USER_SET = "set"; 1000 private static final String ATTR_USER_FIXED = "fixed"; 1001 private static final String ATTR_REVOKE_ON_UPGRADE = "rou"; 1002 1003 // System/policy permission grants are not backed up 1004 private static final int SYSTEM_RUNTIME_GRANT_MASK = 1005 FLAG_PERMISSION_POLICY_FIXED 1006 | FLAG_PERMISSION_SYSTEM_FIXED 1007 | FLAG_PERMISSION_GRANTED_BY_DEFAULT; 1008 1009 // And we back up these user-adjusted states 1010 private static final int USER_RUNTIME_GRANT_MASK = 1011 FLAG_PERMISSION_USER_SET 1012 | FLAG_PERMISSION_USER_FIXED 1013 | FLAG_PERMISSION_REVOKE_ON_UPGRADE; 1014 1015 final @Nullable String mRequiredVerifierPackage; 1016 final @Nullable String mRequiredInstallerPackage; 1017 1018 private final PackageUsage mPackageUsage = new PackageUsage(); 1019 1020 private class PackageUsage { 1021 private static final int WRITE_INTERVAL 1022 = (DEBUG_DEXOPT) ? 0 : 30*60*1000; // 30m in ms 1023 1024 private final Object mFileLock = new Object(); 1025 private final AtomicLong mLastWritten = new AtomicLong(0); 1026 private final AtomicBoolean mBackgroundWriteRunning = new AtomicBoolean(false); 1027 1028 private boolean mIsHistoricalPackageUsageAvailable = true; 1029 1030 boolean isHistoricalPackageUsageAvailable() { 1031 return mIsHistoricalPackageUsageAvailable; 1032 } 1033 1034 void write(boolean force) { 1035 if (force) { 1036 writeInternal(); 1037 return; 1038 } 1039 if (SystemClock.elapsedRealtime() - mLastWritten.get() < WRITE_INTERVAL 1040 && !DEBUG_DEXOPT) { 1041 return; 1042 } 1043 if (mBackgroundWriteRunning.compareAndSet(false, true)) { 1044 new Thread("PackageUsage_DiskWriter") { 1045 @Override 1046 public void run() { 1047 try { 1048 writeInternal(); 1049 } finally { 1050 mBackgroundWriteRunning.set(false); 1051 } 1052 } 1053 }.start(); 1054 } 1055 } 1056 1057 private void writeInternal() { 1058 synchronized (mPackages) { 1059 synchronized (mFileLock) { 1060 AtomicFile file = getFile(); 1061 FileOutputStream f = null; 1062 try { 1063 f = file.startWrite(); 1064 BufferedOutputStream out = new BufferedOutputStream(f); 1065 FileUtils.setPermissions(file.getBaseFile().getPath(), 0640, SYSTEM_UID, PACKAGE_INFO_GID); 1066 StringBuilder sb = new StringBuilder(); 1067 for (PackageParser.Package pkg : mPackages.values()) { 1068 if (pkg.mLastPackageUsageTimeInMills == 0) { 1069 continue; 1070 } 1071 sb.setLength(0); 1072 sb.append(pkg.packageName); 1073 sb.append(' '); 1074 sb.append((long)pkg.mLastPackageUsageTimeInMills); 1075 sb.append('\n'); 1076 out.write(sb.toString().getBytes(StandardCharsets.US_ASCII)); 1077 } 1078 out.flush(); 1079 file.finishWrite(f); 1080 } catch (IOException e) { 1081 if (f != null) { 1082 file.failWrite(f); 1083 } 1084 Log.e(TAG, "Failed to write package usage times", e); 1085 } 1086 } 1087 } 1088 mLastWritten.set(SystemClock.elapsedRealtime()); 1089 } 1090 1091 void readLP() { 1092 synchronized (mFileLock) { 1093 AtomicFile file = getFile(); 1094 BufferedInputStream in = null; 1095 try { 1096 in = new BufferedInputStream(file.openRead()); 1097 StringBuffer sb = new StringBuffer(); 1098 while (true) { 1099 String packageName = readToken(in, sb, ' '); 1100 if (packageName == null) { 1101 break; 1102 } 1103 String timeInMillisString = readToken(in, sb, '\n'); 1104 if (timeInMillisString == null) { 1105 throw new IOException("Failed to find last usage time for package " 1106 + packageName); 1107 } 1108 PackageParser.Package pkg = mPackages.get(packageName); 1109 if (pkg == null) { 1110 continue; 1111 } 1112 long timeInMillis; 1113 try { 1114 timeInMillis = Long.parseLong(timeInMillisString); 1115 } catch (NumberFormatException e) { 1116 throw new IOException("Failed to parse " + timeInMillisString 1117 + " as a long.", e); 1118 } 1119 pkg.mLastPackageUsageTimeInMills = timeInMillis; 1120 } 1121 } catch (FileNotFoundException expected) { 1122 mIsHistoricalPackageUsageAvailable = false; 1123 } catch (IOException e) { 1124 Log.w(TAG, "Failed to read package usage times", e); 1125 } finally { 1126 IoUtils.closeQuietly(in); 1127 } 1128 } 1129 mLastWritten.set(SystemClock.elapsedRealtime()); 1130 } 1131 1132 private String readToken(InputStream in, StringBuffer sb, char endOfToken) 1133 throws IOException { 1134 sb.setLength(0); 1135 while (true) { 1136 int ch = in.read(); 1137 if (ch == -1) { 1138 if (sb.length() == 0) { 1139 return null; 1140 } 1141 throw new IOException("Unexpected EOF"); 1142 } 1143 if (ch == endOfToken) { 1144 return sb.toString(); 1145 } 1146 sb.append((char)ch); 1147 } 1148 } 1149 1150 private AtomicFile getFile() { 1151 File dataDir = Environment.getDataDirectory(); 1152 File systemDir = new File(dataDir, "system"); 1153 File fname = new File(systemDir, "package-usage.list"); 1154 return new AtomicFile(fname); 1155 } 1156 } 1157 1158 class PackageHandler extends Handler { 1159 private boolean mBound = false; 1160 final ArrayList<HandlerParams> mPendingInstalls = 1161 new ArrayList<HandlerParams>(); 1162 1163 private boolean connectToService() { 1164 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 1165 " DefaultContainerService"); 1166 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 1167 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1168 if (mContext.bindServiceAsUser(service, mDefContainerConn, 1169 Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 1170 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1171 mBound = true; 1172 return true; 1173 } 1174 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1175 return false; 1176 } 1177 1178 private void disconnectService() { 1179 mContainerService = null; 1180 mBound = false; 1181 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1182 mContext.unbindService(mDefContainerConn); 1183 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1184 } 1185 1186 PackageHandler(Looper looper) { 1187 super(looper); 1188 } 1189 1190 public void handleMessage(Message msg) { 1191 try { 1192 doHandleMessage(msg); 1193 } finally { 1194 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1195 } 1196 } 1197 1198 void doHandleMessage(Message msg) { 1199 switch (msg.what) { 1200 case INIT_COPY: { 1201 HandlerParams params = (HandlerParams) msg.obj; 1202 int idx = mPendingInstalls.size(); 1203 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 1204 // If a bind was already initiated we dont really 1205 // need to do anything. The pending install 1206 // will be processed later on. 1207 if (!mBound) { 1208 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1209 System.identityHashCode(mHandler)); 1210 // If this is the only one pending we might 1211 // have to bind to the service again. 1212 if (!connectToService()) { 1213 Slog.e(TAG, "Failed to bind to media container service"); 1214 params.serviceError(); 1215 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1216 System.identityHashCode(mHandler)); 1217 if (params.traceMethod != null) { 1218 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, params.traceMethod, 1219 params.traceCookie); 1220 } 1221 return; 1222 } else { 1223 // Once we bind to the service, the first 1224 // pending request will be processed. 1225 mPendingInstalls.add(idx, params); 1226 } 1227 } else { 1228 mPendingInstalls.add(idx, params); 1229 // Already bound to the service. Just make 1230 // sure we trigger off processing the first request. 1231 if (idx == 0) { 1232 mHandler.sendEmptyMessage(MCS_BOUND); 1233 } 1234 } 1235 break; 1236 } 1237 case MCS_BOUND: { 1238 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 1239 if (msg.obj != null) { 1240 mContainerService = (IMediaContainerService) msg.obj; 1241 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1242 System.identityHashCode(mHandler)); 1243 } 1244 if (mContainerService == null) { 1245 if (!mBound) { 1246 // Something seriously wrong since we are not bound and we are not 1247 // waiting for connection. Bail out. 1248 Slog.e(TAG, "Cannot bind to media container service"); 1249 for (HandlerParams params : mPendingInstalls) { 1250 // Indicate service bind error 1251 params.serviceError(); 1252 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1253 System.identityHashCode(params)); 1254 if (params.traceMethod != null) { 1255 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, 1256 params.traceMethod, params.traceCookie); 1257 } 1258 return; 1259 } 1260 mPendingInstalls.clear(); 1261 } else { 1262 Slog.w(TAG, "Waiting to connect to media container service"); 1263 } 1264 } else if (mPendingInstalls.size() > 0) { 1265 HandlerParams params = mPendingInstalls.get(0); 1266 if (params != null) { 1267 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1268 System.identityHashCode(params)); 1269 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "startCopy"); 1270 if (params.startCopy()) { 1271 // We are done... look for more work or to 1272 // go idle. 1273 if (DEBUG_SD_INSTALL) Log.i(TAG, 1274 "Checking for more work or unbind..."); 1275 // Delete pending install 1276 if (mPendingInstalls.size() > 0) { 1277 mPendingInstalls.remove(0); 1278 } 1279 if (mPendingInstalls.size() == 0) { 1280 if (mBound) { 1281 if (DEBUG_SD_INSTALL) Log.i(TAG, 1282 "Posting delayed MCS_UNBIND"); 1283 removeMessages(MCS_UNBIND); 1284 Message ubmsg = obtainMessage(MCS_UNBIND); 1285 // Unbind after a little delay, to avoid 1286 // continual thrashing. 1287 sendMessageDelayed(ubmsg, 10000); 1288 } 1289 } else { 1290 // There are more pending requests in queue. 1291 // Just post MCS_BOUND message to trigger processing 1292 // of next pending install. 1293 if (DEBUG_SD_INSTALL) Log.i(TAG, 1294 "Posting MCS_BOUND for next work"); 1295 mHandler.sendEmptyMessage(MCS_BOUND); 1296 } 1297 } 1298 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 1299 } 1300 } else { 1301 // Should never happen ideally. 1302 Slog.w(TAG, "Empty queue"); 1303 } 1304 break; 1305 } 1306 case MCS_RECONNECT: { 1307 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 1308 if (mPendingInstalls.size() > 0) { 1309 if (mBound) { 1310 disconnectService(); 1311 } 1312 if (!connectToService()) { 1313 Slog.e(TAG, "Failed to bind to media container service"); 1314 for (HandlerParams params : mPendingInstalls) { 1315 // Indicate service bind error 1316 params.serviceError(); 1317 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1318 System.identityHashCode(params)); 1319 } 1320 mPendingInstalls.clear(); 1321 } 1322 } 1323 break; 1324 } 1325 case MCS_UNBIND: { 1326 // If there is no actual work left, then time to unbind. 1327 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 1328 1329 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 1330 if (mBound) { 1331 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 1332 1333 disconnectService(); 1334 } 1335 } else if (mPendingInstalls.size() > 0) { 1336 // There are more pending requests in queue. 1337 // Just post MCS_BOUND message to trigger processing 1338 // of next pending install. 1339 mHandler.sendEmptyMessage(MCS_BOUND); 1340 } 1341 1342 break; 1343 } 1344 case MCS_GIVE_UP: { 1345 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 1346 HandlerParams params = mPendingInstalls.remove(0); 1347 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1348 System.identityHashCode(params)); 1349 break; 1350 } 1351 case SEND_PENDING_BROADCAST: { 1352 String packages[]; 1353 ArrayList<String> components[]; 1354 int size = 0; 1355 int uids[]; 1356 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1357 synchronized (mPackages) { 1358 if (mPendingBroadcasts == null) { 1359 return; 1360 } 1361 size = mPendingBroadcasts.size(); 1362 if (size <= 0) { 1363 // Nothing to be done. Just return 1364 return; 1365 } 1366 packages = new String[size]; 1367 components = new ArrayList[size]; 1368 uids = new int[size]; 1369 int i = 0; // filling out the above arrays 1370 1371 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 1372 int packageUserId = mPendingBroadcasts.userIdAt(n); 1373 Iterator<Map.Entry<String, ArrayList<String>>> it 1374 = mPendingBroadcasts.packagesForUserId(packageUserId) 1375 .entrySet().iterator(); 1376 while (it.hasNext() && i < size) { 1377 Map.Entry<String, ArrayList<String>> ent = it.next(); 1378 packages[i] = ent.getKey(); 1379 components[i] = ent.getValue(); 1380 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 1381 uids[i] = (ps != null) 1382 ? UserHandle.getUid(packageUserId, ps.appId) 1383 : -1; 1384 i++; 1385 } 1386 } 1387 size = i; 1388 mPendingBroadcasts.clear(); 1389 } 1390 // Send broadcasts 1391 for (int i = 0; i < size; i++) { 1392 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 1393 } 1394 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1395 break; 1396 } 1397 case START_CLEANING_PACKAGE: { 1398 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1399 final String packageName = (String)msg.obj; 1400 final int userId = msg.arg1; 1401 final boolean andCode = msg.arg2 != 0; 1402 synchronized (mPackages) { 1403 if (userId == UserHandle.USER_ALL) { 1404 int[] users = sUserManager.getUserIds(); 1405 for (int user : users) { 1406 mSettings.addPackageToCleanLPw( 1407 new PackageCleanItem(user, packageName, andCode)); 1408 } 1409 } else { 1410 mSettings.addPackageToCleanLPw( 1411 new PackageCleanItem(userId, packageName, andCode)); 1412 } 1413 } 1414 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1415 startCleaningPackages(); 1416 } break; 1417 case POST_INSTALL: { 1418 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 1419 1420 PostInstallData data = mRunningInstalls.get(msg.arg1); 1421 mRunningInstalls.delete(msg.arg1); 1422 boolean deleteOld = false; 1423 1424 if (data != null) { 1425 InstallArgs args = data.args; 1426 PackageInstalledInfo res = data.res; 1427 1428 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 1429 final String packageName = res.pkg.applicationInfo.packageName; 1430 res.removedInfo.sendBroadcast(false, true, false); 1431 Bundle extras = new Bundle(1); 1432 extras.putInt(Intent.EXTRA_UID, res.uid); 1433 1434 // Now that we successfully installed the package, grant runtime 1435 // permissions if requested before broadcasting the install. 1436 if ((args.installFlags 1437 & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0 1438 && res.pkg.applicationInfo.targetSdkVersion 1439 >= Build.VERSION_CODES.M) { 1440 grantRequestedRuntimePermissions(res.pkg, args.user.getIdentifier(), 1441 args.installGrantPermissions); 1442 } 1443 1444 synchronized (mPackages) { 1445 mEphemeralApplicationRegistry.onPackageInstalledLPw(res.pkg); 1446 } 1447 1448 // Determine the set of users who are adding this 1449 // package for the first time vs. those who are seeing 1450 // an update. 1451 int[] firstUsers; 1452 int[] updateUsers = new int[0]; 1453 if (res.origUsers == null || res.origUsers.length == 0) { 1454 firstUsers = res.newUsers; 1455 } else { 1456 firstUsers = new int[0]; 1457 for (int i=0; i<res.newUsers.length; i++) { 1458 int user = res.newUsers[i]; 1459 boolean isNew = true; 1460 for (int j=0; j<res.origUsers.length; j++) { 1461 if (res.origUsers[j] == user) { 1462 isNew = false; 1463 break; 1464 } 1465 } 1466 if (isNew) { 1467 int[] newFirst = new int[firstUsers.length+1]; 1468 System.arraycopy(firstUsers, 0, newFirst, 0, 1469 firstUsers.length); 1470 newFirst[firstUsers.length] = user; 1471 firstUsers = newFirst; 1472 } else { 1473 int[] newUpdate = new int[updateUsers.length+1]; 1474 System.arraycopy(updateUsers, 0, newUpdate, 0, 1475 updateUsers.length); 1476 newUpdate[updateUsers.length] = user; 1477 updateUsers = newUpdate; 1478 } 1479 } 1480 } 1481 // don't broadcast for ephemeral installs/updates 1482 final boolean isEphemeral = isEphemeral(res.pkg); 1483 if (!isEphemeral) { 1484 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1485 extras, 0 /*flags*/, null /*targetPackage*/, 1486 null /*finishedReceiver*/, firstUsers); 1487 } 1488 final boolean update = res.removedInfo.removedPackage != null; 1489 if (update) { 1490 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1491 } 1492 if (!isEphemeral) { 1493 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1494 extras, 0 /*flags*/, null /*targetPackage*/, 1495 null /*finishedReceiver*/, updateUsers); 1496 } 1497 if (update) { 1498 if (!isEphemeral) { 1499 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1500 packageName, extras, 0 /*flags*/, 1501 null /*targetPackage*/, null /*finishedReceiver*/, 1502 updateUsers); 1503 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1504 null /*package*/, null /*extras*/, 0 /*flags*/, 1505 packageName /*targetPackage*/, 1506 null /*finishedReceiver*/, updateUsers); 1507 } 1508 1509 // treat asec-hosted packages like removable media on upgrade 1510 if (res.pkg.isForwardLocked() || isExternal(res.pkg)) { 1511 if (DEBUG_INSTALL) { 1512 Slog.i(TAG, "upgrading pkg " + res.pkg 1513 + " is ASEC-hosted -> AVAILABLE"); 1514 } 1515 int[] uidArray = new int[] { res.pkg.applicationInfo.uid }; 1516 ArrayList<String> pkgList = new ArrayList<String>(1); 1517 pkgList.add(packageName); 1518 sendResourcesChangedBroadcast(true, true, 1519 pkgList,uidArray, null); 1520 } 1521 } 1522 if (res.removedInfo.args != null) { 1523 // Remove the replaced package's older resources safely now 1524 deleteOld = true; 1525 } 1526 1527 1528 // Work that needs to happen on first install within each user 1529 if (firstUsers.length > 0) { 1530 for (int userId : firstUsers) { 1531 synchronized (mPackages) { 1532 // If this app is a browser and it's newly-installed for 1533 // some users, clear any default-browser state in those 1534 // users. The app's nature doesn't depend on the user, 1535 // so we can just check its browser nature in any user 1536 // and generalize. 1537 if (packageIsBrowser(packageName, firstUsers[0])) { 1538 mSettings.setDefaultBrowserPackageNameLPw( 1539 null, userId); 1540 } 1541 1542 // We may also need to apply pending (restored) runtime 1543 // permission grants within these users. 1544 mSettings.applyPendingPermissionGrantsLPw( 1545 packageName, userId); 1546 } 1547 } 1548 } 1549 // Log current value of "unknown sources" setting 1550 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1551 getUnknownSourcesSettings()); 1552 } 1553 // Force a gc to clear up things 1554 Runtime.getRuntime().gc(); 1555 // We delete after a gc for applications on sdcard. 1556 if (deleteOld) { 1557 synchronized (mInstallLock) { 1558 res.removedInfo.args.doPostDeleteLI(true); 1559 } 1560 } 1561 if (args.observer != null) { 1562 try { 1563 Bundle extras = extrasForInstallResult(res); 1564 args.observer.onPackageInstalled(res.name, res.returnCode, 1565 res.returnMsg, extras); 1566 } catch (RemoteException e) { 1567 Slog.i(TAG, "Observer no longer exists."); 1568 } 1569 } 1570 if (args.traceMethod != null) { 1571 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, args.traceMethod, 1572 args.traceCookie); 1573 } 1574 return; 1575 } else { 1576 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1577 } 1578 1579 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "postInstall", msg.arg1); 1580 } break; 1581 case UPDATED_MEDIA_STATUS: { 1582 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1583 boolean reportStatus = msg.arg1 == 1; 1584 boolean doGc = msg.arg2 == 1; 1585 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1586 if (doGc) { 1587 // Force a gc to clear up stale containers. 1588 Runtime.getRuntime().gc(); 1589 } 1590 if (msg.obj != null) { 1591 @SuppressWarnings("unchecked") 1592 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1593 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1594 // Unload containers 1595 unloadAllContainers(args); 1596 } 1597 if (reportStatus) { 1598 try { 1599 if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); 1600 PackageHelper.getMountService().finishMediaUpdate(); 1601 } catch (RemoteException e) { 1602 Log.e(TAG, "MountService not running?"); 1603 } 1604 } 1605 } break; 1606 case WRITE_SETTINGS: { 1607 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1608 synchronized (mPackages) { 1609 removeMessages(WRITE_SETTINGS); 1610 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1611 mSettings.writeLPr(); 1612 mDirtyUsers.clear(); 1613 } 1614 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1615 } break; 1616 case WRITE_PACKAGE_RESTRICTIONS: { 1617 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1618 synchronized (mPackages) { 1619 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1620 for (int userId : mDirtyUsers) { 1621 mSettings.writePackageRestrictionsLPr(userId); 1622 } 1623 mDirtyUsers.clear(); 1624 } 1625 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1626 } break; 1627 case CHECK_PENDING_VERIFICATION: { 1628 final int verificationId = msg.arg1; 1629 final PackageVerificationState state = mPendingVerification.get(verificationId); 1630 1631 if ((state != null) && !state.timeoutExtended()) { 1632 final InstallArgs args = state.getInstallArgs(); 1633 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1634 1635 Slog.i(TAG, "Verification timed out for " + originUri); 1636 mPendingVerification.remove(verificationId); 1637 1638 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1639 1640 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1641 Slog.i(TAG, "Continuing with installation of " + originUri); 1642 state.setVerifierResponse(Binder.getCallingUid(), 1643 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1644 broadcastPackageVerified(verificationId, originUri, 1645 PackageManager.VERIFICATION_ALLOW, 1646 state.getInstallArgs().getUser()); 1647 try { 1648 ret = args.copyApk(mContainerService, true); 1649 } catch (RemoteException e) { 1650 Slog.e(TAG, "Could not contact the ContainerService"); 1651 } 1652 } else { 1653 broadcastPackageVerified(verificationId, originUri, 1654 PackageManager.VERIFICATION_REJECT, 1655 state.getInstallArgs().getUser()); 1656 } 1657 1658 Trace.asyncTraceEnd( 1659 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1660 1661 processPendingInstall(args, ret); 1662 mHandler.sendEmptyMessage(MCS_UNBIND); 1663 } 1664 break; 1665 } 1666 case PACKAGE_VERIFIED: { 1667 final int verificationId = msg.arg1; 1668 1669 final PackageVerificationState state = mPendingVerification.get(verificationId); 1670 if (state == null) { 1671 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1672 break; 1673 } 1674 1675 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1676 1677 state.setVerifierResponse(response.callerUid, response.code); 1678 1679 if (state.isVerificationComplete()) { 1680 mPendingVerification.remove(verificationId); 1681 1682 final InstallArgs args = state.getInstallArgs(); 1683 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1684 1685 int ret; 1686 if (state.isInstallAllowed()) { 1687 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1688 broadcastPackageVerified(verificationId, originUri, 1689 response.code, state.getInstallArgs().getUser()); 1690 try { 1691 ret = args.copyApk(mContainerService, true); 1692 } catch (RemoteException e) { 1693 Slog.e(TAG, "Could not contact the ContainerService"); 1694 } 1695 } else { 1696 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1697 } 1698 1699 Trace.asyncTraceEnd( 1700 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1701 1702 processPendingInstall(args, ret); 1703 mHandler.sendEmptyMessage(MCS_UNBIND); 1704 } 1705 1706 break; 1707 } 1708 case START_INTENT_FILTER_VERIFICATIONS: { 1709 IFVerificationParams params = (IFVerificationParams) msg.obj; 1710 verifyIntentFiltersIfNeeded(params.userId, params.verifierUid, 1711 params.replacing, params.pkg); 1712 break; 1713 } 1714 case INTENT_FILTER_VERIFIED: { 1715 final int verificationId = msg.arg1; 1716 1717 final IntentFilterVerificationState state = mIntentFilterVerificationStates.get( 1718 verificationId); 1719 if (state == null) { 1720 Slog.w(TAG, "Invalid IntentFilter verification token " 1721 + verificationId + " received"); 1722 break; 1723 } 1724 1725 final int userId = state.getUserId(); 1726 1727 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1728 "Processing IntentFilter verification with token:" 1729 + verificationId + " and userId:" + userId); 1730 1731 final IntentFilterVerificationResponse response = 1732 (IntentFilterVerificationResponse) msg.obj; 1733 1734 state.setVerifierResponse(response.callerUid, response.code); 1735 1736 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1737 "IntentFilter verification with token:" + verificationId 1738 + " and userId:" + userId 1739 + " is settings verifier response with response code:" 1740 + response.code); 1741 1742 if (response.code == PackageManager.INTENT_FILTER_VERIFICATION_FAILURE) { 1743 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Domains failing verification: " 1744 + response.getFailedDomainsString()); 1745 } 1746 1747 if (state.isVerificationComplete()) { 1748 mIntentFilterVerifier.receiveVerificationResponse(verificationId); 1749 } else { 1750 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1751 "IntentFilter verification with token:" + verificationId 1752 + " was not said to be complete"); 1753 } 1754 1755 break; 1756 } 1757 } 1758 } 1759 } 1760 1761 private StorageEventListener mStorageListener = new StorageEventListener() { 1762 @Override 1763 public void onVolumeStateChanged(VolumeInfo vol, int oldState, int newState) { 1764 if (vol.type == VolumeInfo.TYPE_PRIVATE) { 1765 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1766 final String volumeUuid = vol.getFsUuid(); 1767 1768 // Clean up any users or apps that were removed or recreated 1769 // while this volume was missing 1770 reconcileUsers(volumeUuid); 1771 reconcileApps(volumeUuid); 1772 1773 // Clean up any install sessions that expired or were 1774 // cancelled while this volume was missing 1775 mInstallerService.onPrivateVolumeMounted(volumeUuid); 1776 1777 loadPrivatePackages(vol); 1778 1779 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1780 unloadPrivatePackages(vol); 1781 } 1782 } 1783 1784 if (vol.type == VolumeInfo.TYPE_PUBLIC && vol.isPrimary()) { 1785 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1786 updateExternalMediaStatus(true, false); 1787 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1788 updateExternalMediaStatus(false, false); 1789 } 1790 } 1791 } 1792 1793 @Override 1794 public void onVolumeForgotten(String fsUuid) { 1795 if (TextUtils.isEmpty(fsUuid)) { 1796 Slog.e(TAG, "Forgetting internal storage is probably a mistake; ignoring"); 1797 return; 1798 } 1799 1800 // Remove any apps installed on the forgotten volume 1801 synchronized (mPackages) { 1802 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(fsUuid); 1803 for (PackageSetting ps : packages) { 1804 Slog.d(TAG, "Destroying " + ps.name + " because volume was forgotten"); 1805 deletePackage(ps.name, new LegacyPackageDeleteObserver(null).getBinder(), 1806 UserHandle.USER_SYSTEM, PackageManager.DELETE_ALL_USERS); 1807 } 1808 1809 mSettings.onVolumeForgotten(fsUuid); 1810 mSettings.writeLPr(); 1811 } 1812 } 1813 }; 1814 1815 private void grantRequestedRuntimePermissions(PackageParser.Package pkg, int userId, 1816 String[] grantedPermissions) { 1817 if (userId >= UserHandle.USER_SYSTEM) { 1818 grantRequestedRuntimePermissionsForUser(pkg, userId, grantedPermissions); 1819 } else if (userId == UserHandle.USER_ALL) { 1820 final int[] userIds; 1821 synchronized (mPackages) { 1822 userIds = UserManagerService.getInstance().getUserIds(); 1823 } 1824 for (int someUserId : userIds) { 1825 grantRequestedRuntimePermissionsForUser(pkg, someUserId, grantedPermissions); 1826 } 1827 } 1828 1829 // We could have touched GID membership, so flush out packages.list 1830 synchronized (mPackages) { 1831 mSettings.writePackageListLPr(); 1832 } 1833 } 1834 1835 private void grantRequestedRuntimePermissionsForUser(PackageParser.Package pkg, int userId, 1836 String[] grantedPermissions) { 1837 SettingBase sb = (SettingBase) pkg.mExtras; 1838 if (sb == null) { 1839 return; 1840 } 1841 1842 PermissionsState permissionsState = sb.getPermissionsState(); 1843 1844 final int immutableFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 1845 | PackageManager.FLAG_PERMISSION_POLICY_FIXED; 1846 1847 synchronized (mPackages) { 1848 for (String permission : pkg.requestedPermissions) { 1849 BasePermission bp = mSettings.mPermissions.get(permission); 1850 if (bp != null && (bp.isRuntime() || bp.isDevelopment()) 1851 && (grantedPermissions == null 1852 || ArrayUtils.contains(grantedPermissions, permission))) { 1853 final int flags = permissionsState.getPermissionFlags(permission, userId); 1854 // Installer cannot change immutable permissions. 1855 if ((flags & immutableFlags) == 0) { 1856 grantRuntimePermission(pkg.packageName, permission, userId); 1857 } 1858 } 1859 } 1860 } 1861 } 1862 1863 Bundle extrasForInstallResult(PackageInstalledInfo res) { 1864 Bundle extras = null; 1865 switch (res.returnCode) { 1866 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 1867 extras = new Bundle(); 1868 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 1869 res.origPermission); 1870 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 1871 res.origPackage); 1872 break; 1873 } 1874 case PackageManager.INSTALL_SUCCEEDED: { 1875 extras = new Bundle(); 1876 extras.putBoolean(Intent.EXTRA_REPLACING, 1877 res.removedInfo != null && res.removedInfo.removedPackage != null); 1878 break; 1879 } 1880 } 1881 return extras; 1882 } 1883 1884 void scheduleWriteSettingsLocked() { 1885 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 1886 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 1887 } 1888 } 1889 1890 void scheduleWritePackageRestrictionsLocked(int userId) { 1891 if (!sUserManager.exists(userId)) return; 1892 mDirtyUsers.add(userId); 1893 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 1894 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 1895 } 1896 } 1897 1898 public static PackageManagerService main(Context context, Installer installer, 1899 boolean factoryTest, boolean onlyCore) { 1900 PackageManagerService m = new PackageManagerService(context, installer, 1901 factoryTest, onlyCore); 1902 m.enableSystemUserPackages(); 1903 ServiceManager.addService("package", m); 1904 return m; 1905 } 1906 1907 private void enableSystemUserPackages() { 1908 if (!UserManager.isSplitSystemUser()) { 1909 return; 1910 } 1911 // For system user, enable apps based on the following conditions: 1912 // - app is whitelisted or belong to one of these groups: 1913 // -- system app which has no launcher icons 1914 // -- system app which has INTERACT_ACROSS_USERS permission 1915 // -- system IME app 1916 // - app is not in the blacklist 1917 AppsQueryHelper queryHelper = new AppsQueryHelper(this); 1918 Set<String> enableApps = new ArraySet<>(); 1919 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_NON_LAUNCHABLE_APPS 1920 | AppsQueryHelper.GET_APPS_WITH_INTERACT_ACROSS_USERS_PERM 1921 | AppsQueryHelper.GET_IMES, /* systemAppsOnly */ true, UserHandle.SYSTEM)); 1922 ArraySet<String> wlApps = SystemConfig.getInstance().getSystemUserWhitelistedApps(); 1923 enableApps.addAll(wlApps); 1924 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_REQUIRED_FOR_SYSTEM_USER, 1925 /* systemAppsOnly */ false, UserHandle.SYSTEM)); 1926 ArraySet<String> blApps = SystemConfig.getInstance().getSystemUserBlacklistedApps(); 1927 enableApps.removeAll(blApps); 1928 Log.i(TAG, "Applications installed for system user: " + enableApps); 1929 List<String> allAps = queryHelper.queryApps(0, /* systemAppsOnly */ false, 1930 UserHandle.SYSTEM); 1931 final int allAppsSize = allAps.size(); 1932 synchronized (mPackages) { 1933 for (int i = 0; i < allAppsSize; i++) { 1934 String pName = allAps.get(i); 1935 PackageSetting pkgSetting = mSettings.mPackages.get(pName); 1936 // Should not happen, but we shouldn't be failing if it does 1937 if (pkgSetting == null) { 1938 continue; 1939 } 1940 boolean install = enableApps.contains(pName); 1941 if (pkgSetting.getInstalled(UserHandle.USER_SYSTEM) != install) { 1942 Log.i(TAG, (install ? "Installing " : "Uninstalling ") + pName 1943 + " for system user"); 1944 pkgSetting.setInstalled(install, UserHandle.USER_SYSTEM); 1945 } 1946 } 1947 } 1948 } 1949 1950 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 1951 DisplayManager displayManager = (DisplayManager) context.getSystemService( 1952 Context.DISPLAY_SERVICE); 1953 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 1954 } 1955 1956 public PackageManagerService(Context context, Installer installer, 1957 boolean factoryTest, boolean onlyCore) { 1958 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 1959 SystemClock.uptimeMillis()); 1960 1961 if (mSdkVersion <= 0) { 1962 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 1963 } 1964 1965 mContext = context; 1966 mFactoryTest = factoryTest; 1967 mOnlyCore = onlyCore; 1968 mMetrics = new DisplayMetrics(); 1969 mSettings = new Settings(mPackages); 1970 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 1971 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1972 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 1973 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1974 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 1975 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1976 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 1977 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1978 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 1979 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1980 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 1981 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1982 1983 String separateProcesses = SystemProperties.get("debug.separate_processes"); 1984 if (separateProcesses != null && separateProcesses.length() > 0) { 1985 if ("*".equals(separateProcesses)) { 1986 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 1987 mSeparateProcesses = null; 1988 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 1989 } else { 1990 mDefParseFlags = 0; 1991 mSeparateProcesses = separateProcesses.split(","); 1992 Slog.w(TAG, "Running with debug.separate_processes: " 1993 + separateProcesses); 1994 } 1995 } else { 1996 mDefParseFlags = 0; 1997 mSeparateProcesses = null; 1998 } 1999 2000 mInstaller = installer; 2001 mPackageDexOptimizer = new PackageDexOptimizer(installer, mInstallLock, context, 2002 "*dexopt*"); 2003 mMoveCallbacks = new MoveCallbacks(FgThread.get().getLooper()); 2004 2005 mOnPermissionChangeListeners = new OnPermissionChangeListeners( 2006 FgThread.get().getLooper()); 2007 2008 getDefaultDisplayMetrics(context, mMetrics); 2009 2010 SystemConfig systemConfig = SystemConfig.getInstance(); 2011 mGlobalGids = systemConfig.getGlobalGids(); 2012 mSystemPermissions = systemConfig.getSystemPermissions(); 2013 mAvailableFeatures = systemConfig.getAvailableFeatures(); 2014 2015 synchronized (mInstallLock) { 2016 // writer 2017 synchronized (mPackages) { 2018 mHandlerThread = new ServiceThread(TAG, 2019 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 2020 mHandlerThread.start(); 2021 mHandler = new PackageHandler(mHandlerThread.getLooper()); 2022 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 2023 2024 File dataDir = Environment.getDataDirectory(); 2025 mAppInstallDir = new File(dataDir, "app"); 2026 mAppLib32InstallDir = new File(dataDir, "app-lib"); 2027 mEphemeralInstallDir = new File(dataDir, "app-ephemeral"); 2028 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 2029 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 2030 2031 sUserManager = new UserManagerService(context, this, mPackages); 2032 2033 // Propagate permission configuration in to package manager. 2034 ArrayMap<String, SystemConfig.PermissionEntry> permConfig 2035 = systemConfig.getPermissions(); 2036 for (int i=0; i<permConfig.size(); i++) { 2037 SystemConfig.PermissionEntry perm = permConfig.valueAt(i); 2038 BasePermission bp = mSettings.mPermissions.get(perm.name); 2039 if (bp == null) { 2040 bp = new BasePermission(perm.name, "android", BasePermission.TYPE_BUILTIN); 2041 mSettings.mPermissions.put(perm.name, bp); 2042 } 2043 if (perm.gids != null) { 2044 bp.setGids(perm.gids, perm.perUser); 2045 } 2046 } 2047 2048 ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries(); 2049 for (int i=0; i<libConfig.size(); i++) { 2050 mSharedLibraries.put(libConfig.keyAt(i), 2051 new SharedLibraryEntry(libConfig.valueAt(i), null)); 2052 } 2053 2054 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 2055 2056 mRestoredSettings = mSettings.readLPw(sUserManager.getUsers(false)); 2057 2058 String customResolverActivity = Resources.getSystem().getString( 2059 R.string.config_customResolverActivity); 2060 if (TextUtils.isEmpty(customResolverActivity)) { 2061 customResolverActivity = null; 2062 } else { 2063 mCustomResolverComponentName = ComponentName.unflattenFromString( 2064 customResolverActivity); 2065 } 2066 2067 long startTime = SystemClock.uptimeMillis(); 2068 2069 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 2070 startTime); 2071 2072 // Set flag to monitor and not change apk file paths when 2073 // scanning install directories. 2074 final int scanFlags = SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING | SCAN_INITIAL; 2075 2076 final String bootClassPath = System.getenv("BOOTCLASSPATH"); 2077 final String systemServerClassPath = System.getenv("SYSTEMSERVERCLASSPATH"); 2078 2079 if (bootClassPath == null) { 2080 Slog.w(TAG, "No BOOTCLASSPATH found!"); 2081 } 2082 2083 if (systemServerClassPath == null) { 2084 Slog.w(TAG, "No SYSTEMSERVERCLASSPATH found!"); 2085 } 2086 2087 final List<String> allInstructionSets = InstructionSets.getAllInstructionSets(); 2088 final String[] dexCodeInstructionSets = 2089 getDexCodeInstructionSets( 2090 allInstructionSets.toArray(new String[allInstructionSets.size()])); 2091 2092 /** 2093 * Ensure all external libraries have had dexopt run on them. 2094 */ 2095 if (mSharedLibraries.size() > 0) { 2096 // NOTE: For now, we're compiling these system "shared libraries" 2097 // (and framework jars) into all available architectures. It's possible 2098 // to compile them only when we come across an app that uses them (there's 2099 // already logic for that in scanPackageLI) but that adds some complexity. 2100 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 2101 for (SharedLibraryEntry libEntry : mSharedLibraries.values()) { 2102 final String lib = libEntry.path; 2103 if (lib == null) { 2104 continue; 2105 } 2106 2107 try { 2108 int dexoptNeeded = DexFile.getDexOptNeeded(lib, null, dexCodeInstructionSet, false); 2109 if (dexoptNeeded != DexFile.NO_DEXOPT_NEEDED) { 2110 // Shared libraries do not have profiles so we perform a full 2111 // AOT compilation. 2112 mInstaller.dexopt(lib, Process.SYSTEM_UID, dexCodeInstructionSet, 2113 dexoptNeeded, DEXOPT_PUBLIC /*dexFlags*/, 2114 StorageManager.UUID_PRIVATE_INTERNAL, 2115 false /*useProfiles*/); 2116 } 2117 } catch (FileNotFoundException e) { 2118 Slog.w(TAG, "Library not found: " + lib); 2119 } catch (IOException | InstallerException e) { 2120 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 2121 + e.getMessage()); 2122 } 2123 } 2124 } 2125 } 2126 2127 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 2128 2129 final VersionInfo ver = mSettings.getInternalVersion(); 2130 mIsUpgrade = !Build.FINGERPRINT.equals(ver.fingerprint); 2131 // when upgrading from pre-M, promote system app permissions from install to runtime 2132 mPromoteSystemApps = 2133 mIsUpgrade && ver.sdkVersion <= Build.VERSION_CODES.LOLLIPOP_MR1; 2134 2135 // save off the names of pre-existing system packages prior to scanning; we don't 2136 // want to automatically grant runtime permissions for new system apps 2137 if (mPromoteSystemApps) { 2138 Iterator<PackageSetting> pkgSettingIter = mSettings.mPackages.values().iterator(); 2139 while (pkgSettingIter.hasNext()) { 2140 PackageSetting ps = pkgSettingIter.next(); 2141 if (isSystemApp(ps)) { 2142 mExistingSystemPackages.add(ps.name); 2143 } 2144 } 2145 } 2146 2147 // Collect vendor overlay packages. 2148 // (Do this before scanning any apps.) 2149 // For security and version matching reason, only consider 2150 // overlay packages if they reside in VENDOR_OVERLAY_DIR. 2151 File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR); 2152 scanDirTracedLI(vendorOverlayDir, PackageParser.PARSE_IS_SYSTEM 2153 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 2154 2155 // Find base frameworks (resource packages without code). 2156 scanDirTracedLI(frameworkDir, PackageParser.PARSE_IS_SYSTEM 2157 | PackageParser.PARSE_IS_SYSTEM_DIR 2158 | PackageParser.PARSE_IS_PRIVILEGED, 2159 scanFlags | SCAN_NO_DEX, 0); 2160 2161 // Collected privileged system packages. 2162 final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 2163 scanDirTracedLI(privilegedAppDir, PackageParser.PARSE_IS_SYSTEM 2164 | PackageParser.PARSE_IS_SYSTEM_DIR 2165 | PackageParser.PARSE_IS_PRIVILEGED, scanFlags, 0); 2166 2167 // Collect ordinary system packages. 2168 final File systemAppDir = new File(Environment.getRootDirectory(), "app"); 2169 scanDirTracedLI(systemAppDir, PackageParser.PARSE_IS_SYSTEM 2170 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2171 2172 // Collect all vendor packages. 2173 File vendorAppDir = new File("/vendor/app"); 2174 try { 2175 vendorAppDir = vendorAppDir.getCanonicalFile(); 2176 } catch (IOException e) { 2177 // failed to look up canonical path, continue with original one 2178 } 2179 scanDirTracedLI(vendorAppDir, PackageParser.PARSE_IS_SYSTEM 2180 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2181 2182 // Collect all OEM packages. 2183 final File oemAppDir = new File(Environment.getOemDirectory(), "app"); 2184 scanDirTracedLI(oemAppDir, PackageParser.PARSE_IS_SYSTEM 2185 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2186 2187 // Prune any system packages that no longer exist. 2188 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 2189 if (!mOnlyCore) { 2190 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 2191 while (psit.hasNext()) { 2192 PackageSetting ps = psit.next(); 2193 2194 /* 2195 * If this is not a system app, it can't be a 2196 * disable system app. 2197 */ 2198 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 2199 continue; 2200 } 2201 2202 /* 2203 * If the package is scanned, it's not erased. 2204 */ 2205 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 2206 if (scannedPkg != null) { 2207 /* 2208 * If the system app is both scanned and in the 2209 * disabled packages list, then it must have been 2210 * added via OTA. Remove it from the currently 2211 * scanned package so the previously user-installed 2212 * application can be scanned. 2213 */ 2214 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 2215 logCriticalInfo(Log.WARN, "Expecting better updated system app for " 2216 + ps.name + "; removing system app. Last known codePath=" 2217 + ps.codePathString + ", installStatus=" + ps.installStatus 2218 + ", versionCode=" + ps.versionCode + "; scanned versionCode=" 2219 + scannedPkg.mVersionCode); 2220 removePackageLI(ps, true); 2221 mExpectingBetter.put(ps.name, ps.codePath); 2222 } 2223 2224 continue; 2225 } 2226 2227 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 2228 psit.remove(); 2229 logCriticalInfo(Log.WARN, "System package " + ps.name 2230 + " no longer exists; wiping its data"); 2231 removeDataDirsLI(null, ps.name); 2232 } else { 2233 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 2234 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 2235 possiblyDeletedUpdatedSystemApps.add(ps.name); 2236 } 2237 } 2238 } 2239 } 2240 2241 //look for any incomplete package installations 2242 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 2243 //clean up list 2244 for(int i = 0; i < deletePkgsList.size(); i++) { 2245 //clean up here 2246 cleanupInstallFailedPackage(deletePkgsList.get(i)); 2247 } 2248 //delete tmp files 2249 deleteTempPackageFiles(); 2250 2251 // Remove any shared userIDs that have no associated packages 2252 mSettings.pruneSharedUsersLPw(); 2253 2254 if (!mOnlyCore) { 2255 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 2256 SystemClock.uptimeMillis()); 2257 scanDirTracedLI(mAppInstallDir, 0, scanFlags | SCAN_REQUIRE_KNOWN, 0); 2258 2259 scanDirTracedLI(mDrmAppPrivateInstallDir, PackageParser.PARSE_FORWARD_LOCK, 2260 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2261 2262 scanDirLI(mEphemeralInstallDir, PackageParser.PARSE_IS_EPHEMERAL, 2263 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2264 2265 /** 2266 * Remove disable package settings for any updated system 2267 * apps that were removed via an OTA. If they're not a 2268 * previously-updated app, remove them completely. 2269 * Otherwise, just revoke their system-level permissions. 2270 */ 2271 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 2272 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 2273 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 2274 2275 String msg; 2276 if (deletedPkg == null) { 2277 msg = "Updated system package " + deletedAppName 2278 + " no longer exists; wiping its data"; 2279 removeDataDirsLI(null, deletedAppName); 2280 } else { 2281 msg = "Updated system app + " + deletedAppName 2282 + " no longer present; removing system privileges for " 2283 + deletedAppName; 2284 2285 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 2286 2287 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 2288 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 2289 } 2290 logCriticalInfo(Log.WARN, msg); 2291 } 2292 2293 /** 2294 * Make sure all system apps that we expected to appear on 2295 * the userdata partition actually showed up. If they never 2296 * appeared, crawl back and revive the system version. 2297 */ 2298 for (int i = 0; i < mExpectingBetter.size(); i++) { 2299 final String packageName = mExpectingBetter.keyAt(i); 2300 if (!mPackages.containsKey(packageName)) { 2301 final File scanFile = mExpectingBetter.valueAt(i); 2302 2303 logCriticalInfo(Log.WARN, "Expected better " + packageName 2304 + " but never showed up; reverting to system"); 2305 2306 final int reparseFlags; 2307 if (FileUtils.contains(privilegedAppDir, scanFile)) { 2308 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2309 | PackageParser.PARSE_IS_SYSTEM_DIR 2310 | PackageParser.PARSE_IS_PRIVILEGED; 2311 } else if (FileUtils.contains(systemAppDir, scanFile)) { 2312 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2313 | PackageParser.PARSE_IS_SYSTEM_DIR; 2314 } else if (FileUtils.contains(vendorAppDir, scanFile)) { 2315 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2316 | PackageParser.PARSE_IS_SYSTEM_DIR; 2317 } else if (FileUtils.contains(oemAppDir, scanFile)) { 2318 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2319 | PackageParser.PARSE_IS_SYSTEM_DIR; 2320 } else { 2321 Slog.e(TAG, "Ignoring unexpected fallback path " + scanFile); 2322 continue; 2323 } 2324 2325 mSettings.enableSystemPackageLPw(packageName); 2326 2327 try { 2328 scanPackageTracedLI(scanFile, reparseFlags, scanFlags, 0, null); 2329 } catch (PackageManagerException e) { 2330 Slog.e(TAG, "Failed to parse original system package: " 2331 + e.getMessage()); 2332 } 2333 } 2334 } 2335 } 2336 mExpectingBetter.clear(); 2337 2338 // Now that we know all of the shared libraries, update all clients to have 2339 // the correct library paths. 2340 updateAllSharedLibrariesLPw(); 2341 2342 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 2343 // NOTE: We ignore potential failures here during a system scan (like 2344 // the rest of the commands above) because there's precious little we 2345 // can do about it. A settings error is reported, though. 2346 adjustCpuAbisForSharedUserLPw(setting.packages, null /* scanned package */, 2347 false /* boot complete */); 2348 } 2349 2350 // Now that we know all the packages we are keeping, 2351 // read and update their last usage times. 2352 mPackageUsage.readLP(); 2353 2354 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 2355 SystemClock.uptimeMillis()); 2356 Slog.i(TAG, "Time to scan packages: " 2357 + ((SystemClock.uptimeMillis()-startTime)/1000f) 2358 + " seconds"); 2359 2360 // If the platform SDK has changed since the last time we booted, 2361 // we need to re-grant app permission to catch any new ones that 2362 // appear. This is really a hack, and means that apps can in some 2363 // cases get permissions that the user didn't initially explicitly 2364 // allow... it would be nice to have some better way to handle 2365 // this situation. 2366 int updateFlags = UPDATE_PERMISSIONS_ALL; 2367 if (ver.sdkVersion != mSdkVersion) { 2368 Slog.i(TAG, "Platform changed from " + ver.sdkVersion + " to " 2369 + mSdkVersion + "; regranting permissions for internal storage"); 2370 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 2371 } 2372 updatePermissionsLPw(null, null, StorageManager.UUID_PRIVATE_INTERNAL, updateFlags); 2373 ver.sdkVersion = mSdkVersion; 2374 2375 // If this is the first boot or an update from pre-M, and it is a normal 2376 // boot, then we need to initialize the default preferred apps across 2377 // all defined users. 2378 if (!onlyCore && (mPromoteSystemApps || !mRestoredSettings)) { 2379 for (UserInfo user : sUserManager.getUsers(true)) { 2380 mSettings.applyDefaultPreferredAppsLPw(this, user.id); 2381 applyFactoryDefaultBrowserLPw(user.id); 2382 primeDomainVerificationsLPw(user.id); 2383 } 2384 } 2385 2386 // Prepare storage for system user really early during boot, 2387 // since core system apps like SettingsProvider and SystemUI 2388 // can't wait for user to start 2389 final int flags; 2390 if (StorageManager.isFileBasedEncryptionEnabled()) { 2391 flags = Installer.FLAG_DE_STORAGE; 2392 } else { 2393 flags = Installer.FLAG_DE_STORAGE | Installer.FLAG_CE_STORAGE; 2394 } 2395 reconcileAppsData(StorageManager.UUID_PRIVATE_INTERNAL, UserHandle.USER_SYSTEM, flags); 2396 2397 // If this is first boot after an OTA, and a normal boot, then 2398 // we need to clear code cache directories. 2399 if (mIsUpgrade && !onlyCore) { 2400 Slog.i(TAG, "Build fingerprint changed; clearing code caches"); 2401 for (int i = 0; i < mSettings.mPackages.size(); i++) { 2402 final PackageSetting ps = mSettings.mPackages.valueAt(i); 2403 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, ps.volumeUuid)) { 2404 deleteCodeCacheDirsLI(ps.volumeUuid, ps.name); 2405 } 2406 } 2407 ver.fingerprint = Build.FINGERPRINT; 2408 } 2409 2410 checkDefaultBrowser(); 2411 2412 // clear only after permissions and other defaults have been updated 2413 mExistingSystemPackages.clear(); 2414 mPromoteSystemApps = false; 2415 2416 // All the changes are done during package scanning. 2417 ver.databaseVersion = Settings.CURRENT_DATABASE_VERSION; 2418 2419 // can downgrade to reader 2420 mSettings.writeLPr(); 2421 2422 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 2423 SystemClock.uptimeMillis()); 2424 2425 if (!mOnlyCore) { 2426 mRequiredVerifierPackage = getRequiredButNotReallyRequiredVerifierLPr(); 2427 mRequiredInstallerPackage = getRequiredInstallerLPr(); 2428 mIntentFilterVerifierComponent = getIntentFilterVerifierComponentNameLPr(); 2429 mIntentFilterVerifier = new IntentVerifierProxy(mContext, 2430 mIntentFilterVerifierComponent); 2431 } else { 2432 mRequiredVerifierPackage = null; 2433 mRequiredInstallerPackage = null; 2434 mIntentFilterVerifierComponent = null; 2435 mIntentFilterVerifier = null; 2436 } 2437 2438 mInstallerService = new PackageInstallerService(context, this); 2439 2440 final ComponentName ephemeralResolverComponent = getEphemeralResolverLPr(); 2441 final ComponentName ephemeralInstallerComponent = getEphemeralInstallerLPr(); 2442 // both the installer and resolver must be present to enable ephemeral 2443 if (ephemeralInstallerComponent != null && ephemeralResolverComponent != null) { 2444 if (DEBUG_EPHEMERAL) { 2445 Slog.i(TAG, "Ephemeral activated; resolver: " + ephemeralResolverComponent 2446 + " installer:" + ephemeralInstallerComponent); 2447 } 2448 mEphemeralResolverComponent = ephemeralResolverComponent; 2449 mEphemeralInstallerComponent = ephemeralInstallerComponent; 2450 setUpEphemeralInstallerActivityLP(mEphemeralInstallerComponent); 2451 mEphemeralResolverConnection = 2452 new EphemeralResolverConnection(mContext, mEphemeralResolverComponent); 2453 } else { 2454 if (DEBUG_EPHEMERAL) { 2455 final String missingComponent = 2456 (ephemeralResolverComponent == null) 2457 ? (ephemeralInstallerComponent == null) 2458 ? "resolver and installer" 2459 : "resolver" 2460 : "installer"; 2461 Slog.i(TAG, "Ephemeral deactivated; missing " + missingComponent); 2462 } 2463 mEphemeralResolverComponent = null; 2464 mEphemeralInstallerComponent = null; 2465 mEphemeralResolverConnection = null; 2466 } 2467 2468 mEphemeralApplicationRegistry = new EphemeralApplicationRegistry(this); 2469 } // synchronized (mPackages) 2470 } // synchronized (mInstallLock) 2471 2472 // Now after opening every single application zip, make sure they 2473 // are all flushed. Not really needed, but keeps things nice and 2474 // tidy. 2475 Runtime.getRuntime().gc(); 2476 2477 // The initial scanning above does many calls into installd while 2478 // holding the mPackages lock, but we're mostly interested in yelling 2479 // once we have a booted system. 2480 mInstaller.setWarnIfHeld(mPackages); 2481 2482 // Expose private service for system components to use. 2483 LocalServices.addService(PackageManagerInternal.class, new PackageManagerInternalImpl()); 2484 } 2485 2486 @Override 2487 public boolean isFirstBoot() { 2488 return !mRestoredSettings; 2489 } 2490 2491 @Override 2492 public boolean isOnlyCoreApps() { 2493 return mOnlyCore; 2494 } 2495 2496 @Override 2497 public boolean isUpgrade() { 2498 return mIsUpgrade; 2499 } 2500 2501 private @Nullable String getRequiredButNotReallyRequiredVerifierLPr() { 2502 final Intent intent = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 2503 2504 final List<ResolveInfo> matches = queryIntentReceivers(intent, PACKAGE_MIME_TYPE, 2505 MATCH_SYSTEM_ONLY | MATCH_ENCRYPTION_AWARE_AND_UNAWARE, UserHandle.USER_SYSTEM); 2506 if (matches.size() == 1) { 2507 return matches.get(0).getComponentInfo().packageName; 2508 } else { 2509 Log.e(TAG, "There should probably be exactly one verifier; found " + matches); 2510 return null; 2511 } 2512 } 2513 2514 private @NonNull String getRequiredInstallerLPr() { 2515 final Intent intent = new Intent(Intent.ACTION_INSTALL_PACKAGE); 2516 intent.addCategory(Intent.CATEGORY_DEFAULT); 2517 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2518 2519 final List<ResolveInfo> matches = queryIntentActivities(intent, PACKAGE_MIME_TYPE, 2520 MATCH_SYSTEM_ONLY | MATCH_ENCRYPTION_AWARE_AND_UNAWARE, UserHandle.USER_SYSTEM); 2521 if (matches.size() == 1) { 2522 return matches.get(0).getComponentInfo().packageName; 2523 } else { 2524 throw new RuntimeException("There must be exactly one installer; found " + matches); 2525 } 2526 } 2527 2528 private @NonNull ComponentName getIntentFilterVerifierComponentNameLPr() { 2529 final Intent intent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 2530 2531 final List<ResolveInfo> matches = queryIntentReceivers(intent, PACKAGE_MIME_TYPE, 2532 MATCH_SYSTEM_ONLY | MATCH_ENCRYPTION_AWARE_AND_UNAWARE, UserHandle.USER_SYSTEM); 2533 ResolveInfo best = null; 2534 final int N = matches.size(); 2535 for (int i = 0; i < N; i++) { 2536 final ResolveInfo cur = matches.get(i); 2537 final String packageName = cur.getComponentInfo().packageName; 2538 if (checkPermission(android.Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 2539 packageName, UserHandle.USER_SYSTEM) != PackageManager.PERMISSION_GRANTED) { 2540 continue; 2541 } 2542 2543 if (best == null || cur.priority > best.priority) { 2544 best = cur; 2545 } 2546 } 2547 2548 if (best != null) { 2549 return best.getComponentInfo().getComponentName(); 2550 } else { 2551 throw new RuntimeException("There must be at least one intent filter verifier"); 2552 } 2553 } 2554 2555 private @Nullable ComponentName getEphemeralResolverLPr() { 2556 final String[] packageArray = 2557 mContext.getResources().getStringArray(R.array.config_ephemeralResolverPackage); 2558 if (packageArray.length == 0) { 2559 if (DEBUG_EPHEMERAL) { 2560 Slog.d(TAG, "Ephemeral resolver NOT found; empty package list"); 2561 } 2562 return null; 2563 } 2564 2565 final Intent resolverIntent = new Intent(Intent.ACTION_RESOLVE_EPHEMERAL_PACKAGE); 2566 final List<ResolveInfo> resolvers = queryIntentServices(resolverIntent, null, 2567 MATCH_SYSTEM_ONLY | MATCH_ENCRYPTION_AWARE_AND_UNAWARE, UserHandle.USER_SYSTEM); 2568 2569 final int N = resolvers.size(); 2570 if (N == 0) { 2571 if (DEBUG_EPHEMERAL) { 2572 Slog.d(TAG, "Ephemeral resolver NOT found; no matching intent filters"); 2573 } 2574 return null; 2575 } 2576 2577 final Set<String> possiblePackages = new ArraySet<>(Arrays.asList(packageArray)); 2578 for (int i = 0; i < N; i++) { 2579 final ResolveInfo info = resolvers.get(i); 2580 2581 if (info.serviceInfo == null) { 2582 continue; 2583 } 2584 2585 final String packageName = info.serviceInfo.packageName; 2586 if (!possiblePackages.contains(packageName)) { 2587 if (DEBUG_EPHEMERAL) { 2588 Slog.d(TAG, "Ephemeral resolver not in allowed package list;" 2589 + " pkg: " + packageName + ", info:" + info); 2590 } 2591 continue; 2592 } 2593 2594 if (DEBUG_EPHEMERAL) { 2595 Slog.v(TAG, "Ephemeral resolver found;" 2596 + " pkg: " + packageName + ", info:" + info); 2597 } 2598 return new ComponentName(packageName, info.serviceInfo.name); 2599 } 2600 if (DEBUG_EPHEMERAL) { 2601 Slog.v(TAG, "Ephemeral resolver NOT found"); 2602 } 2603 return null; 2604 } 2605 2606 private @Nullable ComponentName getEphemeralInstallerLPr() { 2607 final Intent intent = new Intent(Intent.ACTION_INSTALL_EPHEMERAL_PACKAGE); 2608 intent.addCategory(Intent.CATEGORY_DEFAULT); 2609 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2610 2611 final List<ResolveInfo> matches = queryIntentActivities(intent, PACKAGE_MIME_TYPE, 2612 MATCH_SYSTEM_ONLY | MATCH_ENCRYPTION_AWARE_AND_UNAWARE, UserHandle.USER_SYSTEM); 2613 if (matches.size() == 0) { 2614 return null; 2615 } else if (matches.size() == 1) { 2616 return matches.get(0).getComponentInfo().getComponentName(); 2617 } else { 2618 throw new RuntimeException( 2619 "There must be at most one ephemeral installer; found " + matches); 2620 } 2621 } 2622 2623 private void primeDomainVerificationsLPw(int userId) { 2624 if (DEBUG_DOMAIN_VERIFICATION) { 2625 Slog.d(TAG, "Priming domain verifications in user " + userId); 2626 } 2627 2628 SystemConfig systemConfig = SystemConfig.getInstance(); 2629 ArraySet<String> packages = systemConfig.getLinkedApps(); 2630 ArraySet<String> domains = new ArraySet<String>(); 2631 2632 for (String packageName : packages) { 2633 PackageParser.Package pkg = mPackages.get(packageName); 2634 if (pkg != null) { 2635 if (!pkg.isSystemApp()) { 2636 Slog.w(TAG, "Non-system app '" + packageName + "' in sysconfig <app-link>"); 2637 continue; 2638 } 2639 2640 domains.clear(); 2641 for (PackageParser.Activity a : pkg.activities) { 2642 for (ActivityIntentInfo filter : a.intents) { 2643 if (hasValidDomains(filter)) { 2644 domains.addAll(filter.getHostsList()); 2645 } 2646 } 2647 } 2648 2649 if (domains.size() > 0) { 2650 if (DEBUG_DOMAIN_VERIFICATION) { 2651 Slog.v(TAG, " + " + packageName); 2652 } 2653 // 'Undefined' in the global IntentFilterVerificationInfo, i.e. the usual 2654 // state w.r.t. the formal app-linkage "no verification attempted" state; 2655 // and then 'always' in the per-user state actually used for intent resolution. 2656 final IntentFilterVerificationInfo ivi; 2657 ivi = mSettings.createIntentFilterVerificationIfNeededLPw(packageName, 2658 new ArrayList<String>(domains)); 2659 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED); 2660 mSettings.updateIntentFilterVerificationStatusLPw(packageName, 2661 INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, userId); 2662 } else { 2663 Slog.w(TAG, "Sysconfig <app-link> package '" + packageName 2664 + "' does not handle web links"); 2665 } 2666 } else { 2667 Slog.w(TAG, "Unknown package " + packageName + " in sysconfig <app-link>"); 2668 } 2669 } 2670 2671 scheduleWritePackageRestrictionsLocked(userId); 2672 scheduleWriteSettingsLocked(); 2673 } 2674 2675 private void applyFactoryDefaultBrowserLPw(int userId) { 2676 // The default browser app's package name is stored in a string resource, 2677 // with a product-specific overlay used for vendor customization. 2678 String browserPkg = mContext.getResources().getString( 2679 com.android.internal.R.string.default_browser); 2680 if (!TextUtils.isEmpty(browserPkg)) { 2681 // non-empty string => required to be a known package 2682 PackageSetting ps = mSettings.mPackages.get(browserPkg); 2683 if (ps == null) { 2684 Slog.e(TAG, "Product default browser app does not exist: " + browserPkg); 2685 browserPkg = null; 2686 } else { 2687 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 2688 } 2689 } 2690 2691 // Nothing valid explicitly set? Make the factory-installed browser the explicit 2692 // default. If there's more than one, just leave everything alone. 2693 if (browserPkg == null) { 2694 calculateDefaultBrowserLPw(userId); 2695 } 2696 } 2697 2698 private void calculateDefaultBrowserLPw(int userId) { 2699 List<String> allBrowsers = resolveAllBrowserApps(userId); 2700 final String browserPkg = (allBrowsers.size() == 1) ? allBrowsers.get(0) : null; 2701 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 2702 } 2703 2704 private List<String> resolveAllBrowserApps(int userId) { 2705 // Resolve the canonical browser intent and check that the handleAllWebDataURI boolean is set 2706 List<ResolveInfo> list = queryIntentActivities(sBrowserIntent, null, 2707 PackageManager.MATCH_ALL, userId); 2708 2709 final int count = list.size(); 2710 List<String> result = new ArrayList<String>(count); 2711 for (int i=0; i<count; i++) { 2712 ResolveInfo info = list.get(i); 2713 if (info.activityInfo == null 2714 || !info.handleAllWebDataURI 2715 || (info.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 0 2716 || result.contains(info.activityInfo.packageName)) { 2717 continue; 2718 } 2719 result.add(info.activityInfo.packageName); 2720 } 2721 2722 return result; 2723 } 2724 2725 private boolean packageIsBrowser(String packageName, int userId) { 2726 List<ResolveInfo> list = queryIntentActivities(sBrowserIntent, null, 2727 PackageManager.MATCH_ALL, userId); 2728 final int N = list.size(); 2729 for (int i = 0; i < N; i++) { 2730 ResolveInfo info = list.get(i); 2731 if (packageName.equals(info.activityInfo.packageName)) { 2732 return true; 2733 } 2734 } 2735 return false; 2736 } 2737 2738 private void checkDefaultBrowser() { 2739 final int myUserId = UserHandle.myUserId(); 2740 final String packageName = getDefaultBrowserPackageName(myUserId); 2741 if (packageName != null) { 2742 PackageInfo info = getPackageInfo(packageName, 0, myUserId); 2743 if (info == null) { 2744 Slog.w(TAG, "Default browser no longer installed: " + packageName); 2745 synchronized (mPackages) { 2746 applyFactoryDefaultBrowserLPw(myUserId); // leaves ambiguous when > 1 2747 } 2748 } 2749 } 2750 } 2751 2752 @Override 2753 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 2754 throws RemoteException { 2755 try { 2756 return super.onTransact(code, data, reply, flags); 2757 } catch (RuntimeException e) { 2758 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 2759 Slog.wtf(TAG, "Package Manager Crash", e); 2760 } 2761 throw e; 2762 } 2763 } 2764 2765 void cleanupInstallFailedPackage(PackageSetting ps) { 2766 logCriticalInfo(Log.WARN, "Cleaning up incompletely installed app: " + ps.name); 2767 2768 removeDataDirsLI(ps.volumeUuid, ps.name); 2769 if (ps.codePath != null) { 2770 removeCodePathLI(ps.codePath); 2771 } 2772 if (ps.resourcePath != null && !ps.resourcePath.equals(ps.codePath)) { 2773 if (ps.resourcePath.isDirectory()) { 2774 FileUtils.deleteContents(ps.resourcePath); 2775 } 2776 ps.resourcePath.delete(); 2777 } 2778 mSettings.removePackageLPw(ps.name); 2779 } 2780 2781 static int[] appendInts(int[] cur, int[] add) { 2782 if (add == null) return cur; 2783 if (cur == null) return add; 2784 final int N = add.length; 2785 for (int i=0; i<N; i++) { 2786 cur = appendInt(cur, add[i]); 2787 } 2788 return cur; 2789 } 2790 2791 PackageInfo generatePackageInfo(PackageParser.Package p, int flags, int userId) { 2792 if (!sUserManager.exists(userId)) return null; 2793 final PackageSetting ps = (PackageSetting) p.mExtras; 2794 if (ps == null) { 2795 return null; 2796 } 2797 2798 final PermissionsState permissionsState = ps.getPermissionsState(); 2799 2800 final int[] gids = permissionsState.computeGids(userId); 2801 final Set<String> permissions = permissionsState.getPermissions(userId); 2802 final PackageUserState state = ps.readUserState(userId); 2803 2804 return PackageParser.generatePackageInfo(p, gids, flags, 2805 ps.firstInstallTime, ps.lastUpdateTime, permissions, state, userId); 2806 } 2807 2808 @Override 2809 public void checkPackageStartable(String packageName, int userId) { 2810 final boolean userKeyUnlocked = isUserKeyUnlocked(userId); 2811 2812 synchronized (mPackages) { 2813 final PackageSetting ps = mSettings.mPackages.get(packageName); 2814 if (ps == null) { 2815 throw new SecurityException("Package " + packageName + " was not found!"); 2816 } 2817 2818 if (ps.frozen) { 2819 throw new SecurityException("Package " + packageName + " is currently frozen!"); 2820 } 2821 2822 if (!userKeyUnlocked && !(ps.pkg.applicationInfo.isEncryptionAware() 2823 || ps.pkg.applicationInfo.isPartiallyEncryptionAware())) { 2824 throw new SecurityException("Package " + packageName + " is not encryption aware!"); 2825 } 2826 } 2827 } 2828 2829 @Override 2830 public boolean isPackageAvailable(String packageName, int userId) { 2831 if (!sUserManager.exists(userId)) return false; 2832 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "is package available"); 2833 synchronized (mPackages) { 2834 PackageParser.Package p = mPackages.get(packageName); 2835 if (p != null) { 2836 final PackageSetting ps = (PackageSetting) p.mExtras; 2837 if (ps != null) { 2838 final PackageUserState state = ps.readUserState(userId); 2839 if (state != null) { 2840 return PackageParser.isAvailable(state); 2841 } 2842 } 2843 } 2844 } 2845 return false; 2846 } 2847 2848 @Override 2849 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 2850 if (!sUserManager.exists(userId)) return null; 2851 flags = updateFlagsForPackage(flags, userId, packageName); 2852 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get package info"); 2853 // reader 2854 synchronized (mPackages) { 2855 PackageParser.Package p = mPackages.get(packageName); 2856 if (DEBUG_PACKAGE_INFO) 2857 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 2858 if (p != null) { 2859 return generatePackageInfo(p, flags, userId); 2860 } 2861 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 2862 return generatePackageInfoFromSettingsLPw(packageName, flags, userId); 2863 } 2864 } 2865 return null; 2866 } 2867 2868 @Override 2869 public String[] currentToCanonicalPackageNames(String[] names) { 2870 String[] out = new String[names.length]; 2871 // reader 2872 synchronized (mPackages) { 2873 for (int i=names.length-1; i>=0; i--) { 2874 PackageSetting ps = mSettings.mPackages.get(names[i]); 2875 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 2876 } 2877 } 2878 return out; 2879 } 2880 2881 @Override 2882 public String[] canonicalToCurrentPackageNames(String[] names) { 2883 String[] out = new String[names.length]; 2884 // reader 2885 synchronized (mPackages) { 2886 for (int i=names.length-1; i>=0; i--) { 2887 String cur = mSettings.mRenamedPackages.get(names[i]); 2888 out[i] = cur != null ? cur : names[i]; 2889 } 2890 } 2891 return out; 2892 } 2893 2894 @Override 2895 public int getPackageUid(String packageName, int flags, int userId) { 2896 if (!sUserManager.exists(userId)) return -1; 2897 flags = updateFlagsForPackage(flags, userId, packageName); 2898 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get package uid"); 2899 2900 // reader 2901 synchronized (mPackages) { 2902 final PackageParser.Package p = mPackages.get(packageName); 2903 if (p != null && p.isMatch(flags)) { 2904 return UserHandle.getUid(userId, p.applicationInfo.uid); 2905 } 2906 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 2907 final PackageSetting ps = mSettings.mPackages.get(packageName); 2908 if (ps != null && ps.isMatch(flags)) { 2909 return UserHandle.getUid(userId, ps.appId); 2910 } 2911 } 2912 } 2913 2914 return -1; 2915 } 2916 2917 @Override 2918 public int[] getPackageGids(String packageName, int flags, int userId) { 2919 if (!sUserManager.exists(userId)) return null; 2920 flags = updateFlagsForPackage(flags, userId, packageName); 2921 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, 2922 "getPackageGids"); 2923 2924 // reader 2925 synchronized (mPackages) { 2926 final PackageParser.Package p = mPackages.get(packageName); 2927 if (p != null && p.isMatch(flags)) { 2928 PackageSetting ps = (PackageSetting) p.mExtras; 2929 return ps.getPermissionsState().computeGids(userId); 2930 } 2931 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 2932 final PackageSetting ps = mSettings.mPackages.get(packageName); 2933 if (ps != null && ps.isMatch(flags)) { 2934 return ps.getPermissionsState().computeGids(userId); 2935 } 2936 } 2937 } 2938 2939 return null; 2940 } 2941 2942 static PermissionInfo generatePermissionInfo(BasePermission bp, int flags) { 2943 if (bp.perm != null) { 2944 return PackageParser.generatePermissionInfo(bp.perm, flags); 2945 } 2946 PermissionInfo pi = new PermissionInfo(); 2947 pi.name = bp.name; 2948 pi.packageName = bp.sourcePackage; 2949 pi.nonLocalizedLabel = bp.name; 2950 pi.protectionLevel = bp.protectionLevel; 2951 return pi; 2952 } 2953 2954 @Override 2955 public PermissionInfo getPermissionInfo(String name, int flags) { 2956 // reader 2957 synchronized (mPackages) { 2958 final BasePermission p = mSettings.mPermissions.get(name); 2959 if (p != null) { 2960 return generatePermissionInfo(p, flags); 2961 } 2962 return null; 2963 } 2964 } 2965 2966 @Override 2967 public List<PermissionInfo> queryPermissionsByGroup(String group, int flags) { 2968 // reader 2969 synchronized (mPackages) { 2970 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 2971 for (BasePermission p : mSettings.mPermissions.values()) { 2972 if (group == null) { 2973 if (p.perm == null || p.perm.info.group == null) { 2974 out.add(generatePermissionInfo(p, flags)); 2975 } 2976 } else { 2977 if (p.perm != null && group.equals(p.perm.info.group)) { 2978 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 2979 } 2980 } 2981 } 2982 2983 if (out.size() > 0) { 2984 return out; 2985 } 2986 return mPermissionGroups.containsKey(group) ? out : null; 2987 } 2988 } 2989 2990 @Override 2991 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 2992 // reader 2993 synchronized (mPackages) { 2994 return PackageParser.generatePermissionGroupInfo( 2995 mPermissionGroups.get(name), flags); 2996 } 2997 } 2998 2999 @Override 3000 public List<PermissionGroupInfo> getAllPermissionGroups(int flags) { 3001 // reader 3002 synchronized (mPackages) { 3003 final int N = mPermissionGroups.size(); 3004 ArrayList<PermissionGroupInfo> out 3005 = new ArrayList<PermissionGroupInfo>(N); 3006 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 3007 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 3008 } 3009 return out; 3010 } 3011 } 3012 3013 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 3014 int userId) { 3015 if (!sUserManager.exists(userId)) return null; 3016 PackageSetting ps = mSettings.mPackages.get(packageName); 3017 if (ps != null) { 3018 if (ps.pkg == null) { 3019 PackageInfo pInfo = generatePackageInfoFromSettingsLPw(packageName, 3020 flags, userId); 3021 if (pInfo != null) { 3022 return pInfo.applicationInfo; 3023 } 3024 return null; 3025 } 3026 return PackageParser.generateApplicationInfo(ps.pkg, flags, 3027 ps.readUserState(userId), userId); 3028 } 3029 return null; 3030 } 3031 3032 private PackageInfo generatePackageInfoFromSettingsLPw(String packageName, int flags, 3033 int userId) { 3034 if (!sUserManager.exists(userId)) return null; 3035 PackageSetting ps = mSettings.mPackages.get(packageName); 3036 if (ps != null) { 3037 PackageParser.Package pkg = ps.pkg; 3038 if (pkg == null) { 3039 if ((flags & MATCH_UNINSTALLED_PACKAGES) == 0) { 3040 return null; 3041 } 3042 // Only data remains, so we aren't worried about code paths 3043 pkg = new PackageParser.Package(packageName); 3044 pkg.applicationInfo.packageName = packageName; 3045 pkg.applicationInfo.flags = ps.pkgFlags | ApplicationInfo.FLAG_IS_DATA_ONLY; 3046 pkg.applicationInfo.privateFlags = ps.pkgPrivateFlags; 3047 pkg.applicationInfo.uid = ps.appId; 3048 pkg.applicationInfo.initForUser(userId); 3049 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 3050 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 3051 } 3052 return generatePackageInfo(pkg, flags, userId); 3053 } 3054 return null; 3055 } 3056 3057 @Override 3058 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 3059 if (!sUserManager.exists(userId)) return null; 3060 flags = updateFlagsForApplication(flags, userId, packageName); 3061 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get application info"); 3062 // writer 3063 synchronized (mPackages) { 3064 PackageParser.Package p = mPackages.get(packageName); 3065 if (DEBUG_PACKAGE_INFO) Log.v( 3066 TAG, "getApplicationInfo " + packageName 3067 + ": " + p); 3068 if (p != null) { 3069 PackageSetting ps = mSettings.mPackages.get(packageName); 3070 if (ps == null) return null; 3071 // Note: isEnabledLP() does not apply here - always return info 3072 return PackageParser.generateApplicationInfo( 3073 p, flags, ps.readUserState(userId), userId); 3074 } 3075 if ("android".equals(packageName)||"system".equals(packageName)) { 3076 return mAndroidApplication; 3077 } 3078 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3079 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 3080 } 3081 } 3082 return null; 3083 } 3084 3085 @Override 3086 public void freeStorageAndNotify(final String volumeUuid, final long freeStorageSize, 3087 final IPackageDataObserver observer) { 3088 mContext.enforceCallingOrSelfPermission( 3089 android.Manifest.permission.CLEAR_APP_CACHE, null); 3090 // Queue up an async operation since clearing cache may take a little while. 3091 mHandler.post(new Runnable() { 3092 public void run() { 3093 mHandler.removeCallbacks(this); 3094 boolean success = true; 3095 synchronized (mInstallLock) { 3096 try { 3097 mInstaller.freeCache(volumeUuid, freeStorageSize); 3098 } catch (InstallerException e) { 3099 Slog.w(TAG, "Couldn't clear application caches: " + e); 3100 success = false; 3101 } 3102 } 3103 if (observer != null) { 3104 try { 3105 observer.onRemoveCompleted(null, success); 3106 } catch (RemoteException e) { 3107 Slog.w(TAG, "RemoveException when invoking call back"); 3108 } 3109 } 3110 } 3111 }); 3112 } 3113 3114 @Override 3115 public void freeStorage(final String volumeUuid, final long freeStorageSize, 3116 final IntentSender pi) { 3117 mContext.enforceCallingOrSelfPermission( 3118 android.Manifest.permission.CLEAR_APP_CACHE, null); 3119 // Queue up an async operation since clearing cache may take a little while. 3120 mHandler.post(new Runnable() { 3121 public void run() { 3122 mHandler.removeCallbacks(this); 3123 boolean success = true; 3124 synchronized (mInstallLock) { 3125 try { 3126 mInstaller.freeCache(volumeUuid, freeStorageSize); 3127 } catch (InstallerException e) { 3128 Slog.w(TAG, "Couldn't clear application caches: " + e); 3129 success = false; 3130 } 3131 } 3132 if(pi != null) { 3133 try { 3134 // Callback via pending intent 3135 int code = success ? 1 : 0; 3136 pi.sendIntent(null, code, null, 3137 null, null); 3138 } catch (SendIntentException e1) { 3139 Slog.i(TAG, "Failed to send pending intent"); 3140 } 3141 } 3142 } 3143 }); 3144 } 3145 3146 void freeStorage(String volumeUuid, long freeStorageSize) throws IOException { 3147 synchronized (mInstallLock) { 3148 try { 3149 mInstaller.freeCache(volumeUuid, freeStorageSize); 3150 } catch (InstallerException e) { 3151 throw new IOException("Failed to free enough space", e); 3152 } 3153 } 3154 } 3155 3156 /** 3157 * Return if the user key is currently unlocked. 3158 */ 3159 private boolean isUserKeyUnlocked(int userId) { 3160 if (StorageManager.isFileBasedEncryptionEnabled()) { 3161 final IMountService mount = IMountService.Stub 3162 .asInterface(ServiceManager.getService("mount")); 3163 if (mount == null) { 3164 Slog.w(TAG, "Early during boot, assuming locked"); 3165 return false; 3166 } 3167 final long token = Binder.clearCallingIdentity(); 3168 try { 3169 return mount.isUserKeyUnlocked(userId); 3170 } catch (RemoteException e) { 3171 throw e.rethrowAsRuntimeException(); 3172 } finally { 3173 Binder.restoreCallingIdentity(token); 3174 } 3175 } else { 3176 return true; 3177 } 3178 } 3179 3180 /** 3181 * Update given flags based on encryption status of current user. 3182 */ 3183 private int updateFlags(int flags, int userId) { 3184 if ((flags & (PackageManager.MATCH_ENCRYPTION_UNAWARE 3185 | PackageManager.MATCH_ENCRYPTION_AWARE)) != 0) { 3186 // Caller expressed an explicit opinion about what encryption 3187 // aware/unaware components they want to see, so fall through and 3188 // give them what they want 3189 } else { 3190 // Caller expressed no opinion, so match based on user state 3191 if (isUserKeyUnlocked(userId)) { 3192 flags |= PackageManager.MATCH_ENCRYPTION_AWARE_AND_UNAWARE; 3193 } else { 3194 flags |= PackageManager.MATCH_ENCRYPTION_AWARE; 3195 } 3196 } 3197 3198 // Safe mode means we should ignore any third-party apps 3199 if (mSafeMode) { 3200 flags |= PackageManager.MATCH_SYSTEM_ONLY; 3201 } 3202 3203 return flags; 3204 } 3205 3206 /** 3207 * Update given flags when being used to request {@link PackageInfo}. 3208 */ 3209 private int updateFlagsForPackage(int flags, int userId, Object cookie) { 3210 boolean triaged = true; 3211 if ((flags & (PackageManager.GET_ACTIVITIES | PackageManager.GET_RECEIVERS 3212 | PackageManager.GET_SERVICES | PackageManager.GET_PROVIDERS)) != 0) { 3213 // Caller is asking for component details, so they'd better be 3214 // asking for specific encryption matching behavior, or be triaged 3215 if ((flags & (PackageManager.MATCH_ENCRYPTION_UNAWARE 3216 | PackageManager.MATCH_ENCRYPTION_AWARE 3217 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3218 triaged = false; 3219 } 3220 } 3221 if ((flags & (PackageManager.MATCH_UNINSTALLED_PACKAGES 3222 | PackageManager.MATCH_SYSTEM_ONLY 3223 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3224 triaged = false; 3225 } 3226 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3227 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3228 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3229 } 3230 return updateFlags(flags, userId); 3231 } 3232 3233 /** 3234 * Update given flags when being used to request {@link ApplicationInfo}. 3235 */ 3236 private int updateFlagsForApplication(int flags, int userId, Object cookie) { 3237 return updateFlagsForPackage(flags, userId, cookie); 3238 } 3239 3240 /** 3241 * Update given flags when being used to request {@link ComponentInfo}. 3242 */ 3243 private int updateFlagsForComponent(int flags, int userId, Object cookie) { 3244 if (cookie instanceof Intent) { 3245 if ((((Intent) cookie).getFlags() & Intent.FLAG_DEBUG_TRIAGED_MISSING) != 0) { 3246 flags |= PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 3247 } 3248 } 3249 3250 boolean triaged = true; 3251 // Caller is asking for component details, so they'd better be 3252 // asking for specific encryption matching behavior, or be triaged 3253 if ((flags & (PackageManager.MATCH_ENCRYPTION_UNAWARE 3254 | PackageManager.MATCH_ENCRYPTION_AWARE 3255 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3256 triaged = false; 3257 } 3258 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3259 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3260 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3261 } 3262 return updateFlags(flags, userId); 3263 } 3264 3265 /** 3266 * Update given flags when being used to request {@link ResolveInfo}. 3267 */ 3268 int updateFlagsForResolve(int flags, int userId, Object cookie) { 3269 return updateFlagsForComponent(flags, userId, cookie); 3270 } 3271 3272 @Override 3273 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 3274 if (!sUserManager.exists(userId)) return null; 3275 flags = updateFlagsForComponent(flags, userId, component); 3276 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get activity info"); 3277 synchronized (mPackages) { 3278 PackageParser.Activity a = mActivities.mActivities.get(component); 3279 3280 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 3281 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3282 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3283 if (ps == null) return null; 3284 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3285 userId); 3286 } 3287 if (mResolveComponentName.equals(component)) { 3288 return PackageParser.generateActivityInfo(mResolveActivity, flags, 3289 new PackageUserState(), userId); 3290 } 3291 } 3292 return null; 3293 } 3294 3295 @Override 3296 public boolean activitySupportsIntent(ComponentName component, Intent intent, 3297 String resolvedType) { 3298 synchronized (mPackages) { 3299 if (component.equals(mResolveComponentName)) { 3300 // The resolver supports EVERYTHING! 3301 return true; 3302 } 3303 PackageParser.Activity a = mActivities.mActivities.get(component); 3304 if (a == null) { 3305 return false; 3306 } 3307 for (int i=0; i<a.intents.size(); i++) { 3308 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 3309 intent.getData(), intent.getCategories(), TAG) >= 0) { 3310 return true; 3311 } 3312 } 3313 return false; 3314 } 3315 } 3316 3317 @Override 3318 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 3319 if (!sUserManager.exists(userId)) return null; 3320 flags = updateFlagsForComponent(flags, userId, component); 3321 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get receiver info"); 3322 synchronized (mPackages) { 3323 PackageParser.Activity a = mReceivers.mActivities.get(component); 3324 if (DEBUG_PACKAGE_INFO) Log.v( 3325 TAG, "getReceiverInfo " + component + ": " + a); 3326 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3327 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3328 if (ps == null) return null; 3329 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3330 userId); 3331 } 3332 } 3333 return null; 3334 } 3335 3336 @Override 3337 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 3338 if (!sUserManager.exists(userId)) return null; 3339 flags = updateFlagsForComponent(flags, userId, component); 3340 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get service info"); 3341 synchronized (mPackages) { 3342 PackageParser.Service s = mServices.mServices.get(component); 3343 if (DEBUG_PACKAGE_INFO) Log.v( 3344 TAG, "getServiceInfo " + component + ": " + s); 3345 if (s != null && mSettings.isEnabledAndMatchLPr(s.info, flags, userId)) { 3346 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3347 if (ps == null) return null; 3348 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 3349 userId); 3350 } 3351 } 3352 return null; 3353 } 3354 3355 @Override 3356 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 3357 if (!sUserManager.exists(userId)) return null; 3358 flags = updateFlagsForComponent(flags, userId, component); 3359 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get provider info"); 3360 synchronized (mPackages) { 3361 PackageParser.Provider p = mProviders.mProviders.get(component); 3362 if (DEBUG_PACKAGE_INFO) Log.v( 3363 TAG, "getProviderInfo " + component + ": " + p); 3364 if (p != null && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 3365 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3366 if (ps == null) return null; 3367 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 3368 userId); 3369 } 3370 } 3371 return null; 3372 } 3373 3374 @Override 3375 public String[] getSystemSharedLibraryNames() { 3376 Set<String> libSet; 3377 synchronized (mPackages) { 3378 libSet = mSharedLibraries.keySet(); 3379 int size = libSet.size(); 3380 if (size > 0) { 3381 String[] libs = new String[size]; 3382 libSet.toArray(libs); 3383 return libs; 3384 } 3385 } 3386 return null; 3387 } 3388 3389 @Override 3390 public FeatureInfo[] getSystemAvailableFeatures() { 3391 Collection<FeatureInfo> featSet; 3392 synchronized (mPackages) { 3393 featSet = mAvailableFeatures.values(); 3394 int size = featSet.size(); 3395 if (size > 0) { 3396 FeatureInfo[] features = new FeatureInfo[size+1]; 3397 featSet.toArray(features); 3398 FeatureInfo fi = new FeatureInfo(); 3399 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 3400 FeatureInfo.GL_ES_VERSION_UNDEFINED); 3401 features[size] = fi; 3402 return features; 3403 } 3404 } 3405 return null; 3406 } 3407 3408 @Override 3409 public boolean hasSystemFeature(String name) { 3410 synchronized (mPackages) { 3411 return mAvailableFeatures.containsKey(name); 3412 } 3413 } 3414 3415 @Override 3416 public int checkPermission(String permName, String pkgName, int userId) { 3417 if (!sUserManager.exists(userId)) { 3418 return PackageManager.PERMISSION_DENIED; 3419 } 3420 3421 synchronized (mPackages) { 3422 final PackageParser.Package p = mPackages.get(pkgName); 3423 if (p != null && p.mExtras != null) { 3424 final PackageSetting ps = (PackageSetting) p.mExtras; 3425 final PermissionsState permissionsState = ps.getPermissionsState(); 3426 if (permissionsState.hasPermission(permName, userId)) { 3427 return PackageManager.PERMISSION_GRANTED; 3428 } 3429 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3430 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3431 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3432 return PackageManager.PERMISSION_GRANTED; 3433 } 3434 } 3435 } 3436 3437 return PackageManager.PERMISSION_DENIED; 3438 } 3439 3440 @Override 3441 public int checkUidPermission(String permName, int uid) { 3442 final int userId = UserHandle.getUserId(uid); 3443 3444 if (!sUserManager.exists(userId)) { 3445 return PackageManager.PERMISSION_DENIED; 3446 } 3447 3448 synchronized (mPackages) { 3449 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 3450 if (obj != null) { 3451 final SettingBase ps = (SettingBase) obj; 3452 final PermissionsState permissionsState = ps.getPermissionsState(); 3453 if (permissionsState.hasPermission(permName, userId)) { 3454 return PackageManager.PERMISSION_GRANTED; 3455 } 3456 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3457 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3458 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3459 return PackageManager.PERMISSION_GRANTED; 3460 } 3461 } else { 3462 ArraySet<String> perms = mSystemPermissions.get(uid); 3463 if (perms != null) { 3464 if (perms.contains(permName)) { 3465 return PackageManager.PERMISSION_GRANTED; 3466 } 3467 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && perms 3468 .contains(Manifest.permission.ACCESS_FINE_LOCATION)) { 3469 return PackageManager.PERMISSION_GRANTED; 3470 } 3471 } 3472 } 3473 } 3474 3475 return PackageManager.PERMISSION_DENIED; 3476 } 3477 3478 @Override 3479 public boolean isPermissionRevokedByPolicy(String permission, String packageName, int userId) { 3480 if (UserHandle.getCallingUserId() != userId) { 3481 mContext.enforceCallingPermission( 3482 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 3483 "isPermissionRevokedByPolicy for user " + userId); 3484 } 3485 3486 if (checkPermission(permission, packageName, userId) 3487 == PackageManager.PERMISSION_GRANTED) { 3488 return false; 3489 } 3490 3491 final long identity = Binder.clearCallingIdentity(); 3492 try { 3493 final int flags = getPermissionFlags(permission, packageName, userId); 3494 return (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0; 3495 } finally { 3496 Binder.restoreCallingIdentity(identity); 3497 } 3498 } 3499 3500 @Override 3501 public String getPermissionControllerPackageName() { 3502 synchronized (mPackages) { 3503 return mRequiredInstallerPackage; 3504 } 3505 } 3506 3507 /** 3508 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 3509 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 3510 * @param checkShell whether to prevent shell from access if there's a debugging restriction 3511 * @param message the message to log on security exception 3512 */ 3513 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 3514 boolean checkShell, String message) { 3515 if (userId < 0) { 3516 throw new IllegalArgumentException("Invalid userId " + userId); 3517 } 3518 if (checkShell) { 3519 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, userId); 3520 } 3521 if (userId == UserHandle.getUserId(callingUid)) return; 3522 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 3523 if (requireFullPermission) { 3524 mContext.enforceCallingOrSelfPermission( 3525 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3526 } else { 3527 try { 3528 mContext.enforceCallingOrSelfPermission( 3529 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3530 } catch (SecurityException se) { 3531 mContext.enforceCallingOrSelfPermission( 3532 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 3533 } 3534 } 3535 } 3536 } 3537 3538 void enforceShellRestriction(String restriction, int callingUid, int userHandle) { 3539 if (callingUid == Process.SHELL_UID) { 3540 if (userHandle >= 0 3541 && sUserManager.hasUserRestriction(restriction, userHandle)) { 3542 throw new SecurityException("Shell does not have permission to access user " 3543 + userHandle); 3544 } else if (userHandle < 0) { 3545 Slog.e(TAG, "Unable to check shell permission for user " + userHandle + "\n\t" 3546 + Debug.getCallers(3)); 3547 } 3548 } 3549 } 3550 3551 private BasePermission findPermissionTreeLP(String permName) { 3552 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 3553 if (permName.startsWith(bp.name) && 3554 permName.length() > bp.name.length() && 3555 permName.charAt(bp.name.length()) == '.') { 3556 return bp; 3557 } 3558 } 3559 return null; 3560 } 3561 3562 private BasePermission checkPermissionTreeLP(String permName) { 3563 if (permName != null) { 3564 BasePermission bp = findPermissionTreeLP(permName); 3565 if (bp != null) { 3566 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 3567 return bp; 3568 } 3569 throw new SecurityException("Calling uid " 3570 + Binder.getCallingUid() 3571 + " is not allowed to add to permission tree " 3572 + bp.name + " owned by uid " + bp.uid); 3573 } 3574 } 3575 throw new SecurityException("No permission tree found for " + permName); 3576 } 3577 3578 static boolean compareStrings(CharSequence s1, CharSequence s2) { 3579 if (s1 == null) { 3580 return s2 == null; 3581 } 3582 if (s2 == null) { 3583 return false; 3584 } 3585 if (s1.getClass() != s2.getClass()) { 3586 return false; 3587 } 3588 return s1.equals(s2); 3589 } 3590 3591 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 3592 if (pi1.icon != pi2.icon) return false; 3593 if (pi1.logo != pi2.logo) return false; 3594 if (pi1.protectionLevel != pi2.protectionLevel) return false; 3595 if (!compareStrings(pi1.name, pi2.name)) return false; 3596 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 3597 // We'll take care of setting this one. 3598 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 3599 // These are not currently stored in settings. 3600 //if (!compareStrings(pi1.group, pi2.group)) return false; 3601 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 3602 //if (pi1.labelRes != pi2.labelRes) return false; 3603 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 3604 return true; 3605 } 3606 3607 int permissionInfoFootprint(PermissionInfo info) { 3608 int size = info.name.length(); 3609 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 3610 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 3611 return size; 3612 } 3613 3614 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 3615 int size = 0; 3616 for (BasePermission perm : mSettings.mPermissions.values()) { 3617 if (perm.uid == tree.uid) { 3618 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 3619 } 3620 } 3621 return size; 3622 } 3623 3624 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 3625 // We calculate the max size of permissions defined by this uid and throw 3626 // if that plus the size of 'info' would exceed our stated maximum. 3627 if (tree.uid != Process.SYSTEM_UID) { 3628 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 3629 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 3630 throw new SecurityException("Permission tree size cap exceeded"); 3631 } 3632 } 3633 } 3634 3635 boolean addPermissionLocked(PermissionInfo info, boolean async) { 3636 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 3637 throw new SecurityException("Label must be specified in permission"); 3638 } 3639 BasePermission tree = checkPermissionTreeLP(info.name); 3640 BasePermission bp = mSettings.mPermissions.get(info.name); 3641 boolean added = bp == null; 3642 boolean changed = true; 3643 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 3644 if (added) { 3645 enforcePermissionCapLocked(info, tree); 3646 bp = new BasePermission(info.name, tree.sourcePackage, 3647 BasePermission.TYPE_DYNAMIC); 3648 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 3649 throw new SecurityException( 3650 "Not allowed to modify non-dynamic permission " 3651 + info.name); 3652 } else { 3653 if (bp.protectionLevel == fixedLevel 3654 && bp.perm.owner.equals(tree.perm.owner) 3655 && bp.uid == tree.uid 3656 && comparePermissionInfos(bp.perm.info, info)) { 3657 changed = false; 3658 } 3659 } 3660 bp.protectionLevel = fixedLevel; 3661 info = new PermissionInfo(info); 3662 info.protectionLevel = fixedLevel; 3663 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 3664 bp.perm.info.packageName = tree.perm.info.packageName; 3665 bp.uid = tree.uid; 3666 if (added) { 3667 mSettings.mPermissions.put(info.name, bp); 3668 } 3669 if (changed) { 3670 if (!async) { 3671 mSettings.writeLPr(); 3672 } else { 3673 scheduleWriteSettingsLocked(); 3674 } 3675 } 3676 return added; 3677 } 3678 3679 @Override 3680 public boolean addPermission(PermissionInfo info) { 3681 synchronized (mPackages) { 3682 return addPermissionLocked(info, false); 3683 } 3684 } 3685 3686 @Override 3687 public boolean addPermissionAsync(PermissionInfo info) { 3688 synchronized (mPackages) { 3689 return addPermissionLocked(info, true); 3690 } 3691 } 3692 3693 @Override 3694 public void removePermission(String name) { 3695 synchronized (mPackages) { 3696 checkPermissionTreeLP(name); 3697 BasePermission bp = mSettings.mPermissions.get(name); 3698 if (bp != null) { 3699 if (bp.type != BasePermission.TYPE_DYNAMIC) { 3700 throw new SecurityException( 3701 "Not allowed to modify non-dynamic permission " 3702 + name); 3703 } 3704 mSettings.mPermissions.remove(name); 3705 mSettings.writeLPr(); 3706 } 3707 } 3708 } 3709 3710 private static void enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(PackageParser.Package pkg, 3711 BasePermission bp) { 3712 int index = pkg.requestedPermissions.indexOf(bp.name); 3713 if (index == -1) { 3714 throw new SecurityException("Package " + pkg.packageName 3715 + " has not requested permission " + bp.name); 3716 } 3717 if (!bp.isRuntime() && !bp.isDevelopment()) { 3718 throw new SecurityException("Permission " + bp.name 3719 + " is not a changeable permission type"); 3720 } 3721 } 3722 3723 @Override 3724 public void grantRuntimePermission(String packageName, String name, final int userId) { 3725 if (!sUserManager.exists(userId)) { 3726 Log.e(TAG, "No such user:" + userId); 3727 return; 3728 } 3729 3730 mContext.enforceCallingOrSelfPermission( 3731 android.Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 3732 "grantRuntimePermission"); 3733 3734 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 3735 "grantRuntimePermission"); 3736 3737 final int uid; 3738 final SettingBase sb; 3739 3740 synchronized (mPackages) { 3741 final PackageParser.Package pkg = mPackages.get(packageName); 3742 if (pkg == null) { 3743 throw new IllegalArgumentException("Unknown package: " + packageName); 3744 } 3745 3746 final BasePermission bp = mSettings.mPermissions.get(name); 3747 if (bp == null) { 3748 throw new IllegalArgumentException("Unknown permission: " + name); 3749 } 3750 3751 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 3752 3753 // If a permission review is required for legacy apps we represent 3754 // their permissions as always granted runtime ones since we need 3755 // to keep the review required permission flag per user while an 3756 // install permission's state is shared across all users. 3757 if (Build.PERMISSIONS_REVIEW_REQUIRED 3758 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 3759 && bp.isRuntime()) { 3760 return; 3761 } 3762 3763 uid = UserHandle.getUid(userId, pkg.applicationInfo.uid); 3764 sb = (SettingBase) pkg.mExtras; 3765 if (sb == null) { 3766 throw new IllegalArgumentException("Unknown package: " + packageName); 3767 } 3768 3769 final PermissionsState permissionsState = sb.getPermissionsState(); 3770 3771 final int flags = permissionsState.getPermissionFlags(name, userId); 3772 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 3773 throw new SecurityException("Cannot grant system fixed permission " 3774 + name + " for package " + packageName); 3775 } 3776 3777 if (bp.isDevelopment()) { 3778 // Development permissions must be handled specially, since they are not 3779 // normal runtime permissions. For now they apply to all users. 3780 if (permissionsState.grantInstallPermission(bp) != 3781 PermissionsState.PERMISSION_OPERATION_FAILURE) { 3782 scheduleWriteSettingsLocked(); 3783 } 3784 return; 3785 } 3786 3787 if (pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 3788 Slog.w(TAG, "Cannot grant runtime permission to a legacy app"); 3789 return; 3790 } 3791 3792 final int result = permissionsState.grantRuntimePermission(bp, userId); 3793 switch (result) { 3794 case PermissionsState.PERMISSION_OPERATION_FAILURE: { 3795 return; 3796 } 3797 3798 case PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 3799 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 3800 mHandler.post(new Runnable() { 3801 @Override 3802 public void run() { 3803 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 3804 } 3805 }); 3806 } 3807 break; 3808 } 3809 3810 mOnPermissionChangeListeners.onPermissionsChanged(uid); 3811 3812 // Not critical if that is lost - app has to request again. 3813 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 3814 } 3815 3816 // Only need to do this if user is initialized. Otherwise it's a new user 3817 // and there are no processes running as the user yet and there's no need 3818 // to make an expensive call to remount processes for the changed permissions. 3819 if (READ_EXTERNAL_STORAGE.equals(name) 3820 || WRITE_EXTERNAL_STORAGE.equals(name)) { 3821 final long token = Binder.clearCallingIdentity(); 3822 try { 3823 if (sUserManager.isInitialized(userId)) { 3824 MountServiceInternal mountServiceInternal = LocalServices.getService( 3825 MountServiceInternal.class); 3826 mountServiceInternal.onExternalStoragePolicyChanged(uid, packageName); 3827 } 3828 } finally { 3829 Binder.restoreCallingIdentity(token); 3830 } 3831 } 3832 } 3833 3834 @Override 3835 public void revokeRuntimePermission(String packageName, String name, int userId) { 3836 if (!sUserManager.exists(userId)) { 3837 Log.e(TAG, "No such user:" + userId); 3838 return; 3839 } 3840 3841 mContext.enforceCallingOrSelfPermission( 3842 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 3843 "revokeRuntimePermission"); 3844 3845 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 3846 "revokeRuntimePermission"); 3847 3848 final int appId; 3849 3850 synchronized (mPackages) { 3851 final PackageParser.Package pkg = mPackages.get(packageName); 3852 if (pkg == null) { 3853 throw new IllegalArgumentException("Unknown package: " + packageName); 3854 } 3855 3856 final BasePermission bp = mSettings.mPermissions.get(name); 3857 if (bp == null) { 3858 throw new IllegalArgumentException("Unknown permission: " + name); 3859 } 3860 3861 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 3862 3863 // If a permission review is required for legacy apps we represent 3864 // their permissions as always granted runtime ones since we need 3865 // to keep the review required permission flag per user while an 3866 // install permission's state is shared across all users. 3867 if (Build.PERMISSIONS_REVIEW_REQUIRED 3868 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 3869 && bp.isRuntime()) { 3870 return; 3871 } 3872 3873 SettingBase sb = (SettingBase) pkg.mExtras; 3874 if (sb == null) { 3875 throw new IllegalArgumentException("Unknown package: " + packageName); 3876 } 3877 3878 final PermissionsState permissionsState = sb.getPermissionsState(); 3879 3880 final int flags = permissionsState.getPermissionFlags(name, userId); 3881 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 3882 throw new SecurityException("Cannot revoke system fixed permission " 3883 + name + " for package " + packageName); 3884 } 3885 3886 if (bp.isDevelopment()) { 3887 // Development permissions must be handled specially, since they are not 3888 // normal runtime permissions. For now they apply to all users. 3889 if (permissionsState.revokeInstallPermission(bp) != 3890 PermissionsState.PERMISSION_OPERATION_FAILURE) { 3891 scheduleWriteSettingsLocked(); 3892 } 3893 return; 3894 } 3895 3896 if (permissionsState.revokeRuntimePermission(bp, userId) == 3897 PermissionsState.PERMISSION_OPERATION_FAILURE) { 3898 return; 3899 } 3900 3901 mOnPermissionChangeListeners.onPermissionsChanged(pkg.applicationInfo.uid); 3902 3903 // Critical, after this call app should never have the permission. 3904 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 3905 3906 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 3907 } 3908 3909 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 3910 } 3911 3912 @Override 3913 public void resetRuntimePermissions() { 3914 mContext.enforceCallingOrSelfPermission( 3915 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 3916 "revokeRuntimePermission"); 3917 3918 int callingUid = Binder.getCallingUid(); 3919 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 3920 mContext.enforceCallingOrSelfPermission( 3921 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 3922 "resetRuntimePermissions"); 3923 } 3924 3925 synchronized (mPackages) { 3926 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL); 3927 for (int userId : UserManagerService.getInstance().getUserIds()) { 3928 final int packageCount = mPackages.size(); 3929 for (int i = 0; i < packageCount; i++) { 3930 PackageParser.Package pkg = mPackages.valueAt(i); 3931 if (!(pkg.mExtras instanceof PackageSetting)) { 3932 continue; 3933 } 3934 PackageSetting ps = (PackageSetting) pkg.mExtras; 3935 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 3936 } 3937 } 3938 } 3939 } 3940 3941 @Override 3942 public int getPermissionFlags(String name, String packageName, int userId) { 3943 if (!sUserManager.exists(userId)) { 3944 return 0; 3945 } 3946 3947 enforceGrantRevokeRuntimePermissionPermissions("getPermissionFlags"); 3948 3949 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 3950 "getPermissionFlags"); 3951 3952 synchronized (mPackages) { 3953 final PackageParser.Package pkg = mPackages.get(packageName); 3954 if (pkg == null) { 3955 throw new IllegalArgumentException("Unknown package: " + packageName); 3956 } 3957 3958 final BasePermission bp = mSettings.mPermissions.get(name); 3959 if (bp == null) { 3960 throw new IllegalArgumentException("Unknown permission: " + name); 3961 } 3962 3963 SettingBase sb = (SettingBase) pkg.mExtras; 3964 if (sb == null) { 3965 throw new IllegalArgumentException("Unknown package: " + packageName); 3966 } 3967 3968 PermissionsState permissionsState = sb.getPermissionsState(); 3969 return permissionsState.getPermissionFlags(name, userId); 3970 } 3971 } 3972 3973 @Override 3974 public void updatePermissionFlags(String name, String packageName, int flagMask, 3975 int flagValues, int userId) { 3976 if (!sUserManager.exists(userId)) { 3977 return; 3978 } 3979 3980 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlags"); 3981 3982 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 3983 "updatePermissionFlags"); 3984 3985 // Only the system can change these flags and nothing else. 3986 if (getCallingUid() != Process.SYSTEM_UID) { 3987 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 3988 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 3989 flagMask &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 3990 flagValues &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 3991 flagValues &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 3992 } 3993 3994 synchronized (mPackages) { 3995 final PackageParser.Package pkg = mPackages.get(packageName); 3996 if (pkg == null) { 3997 throw new IllegalArgumentException("Unknown package: " + packageName); 3998 } 3999 4000 final BasePermission bp = mSettings.mPermissions.get(name); 4001 if (bp == null) { 4002 throw new IllegalArgumentException("Unknown permission: " + name); 4003 } 4004 4005 SettingBase sb = (SettingBase) pkg.mExtras; 4006 if (sb == null) { 4007 throw new IllegalArgumentException("Unknown package: " + packageName); 4008 } 4009 4010 PermissionsState permissionsState = sb.getPermissionsState(); 4011 4012 boolean hadState = permissionsState.getRuntimePermissionState(name, userId) != null; 4013 4014 if (permissionsState.updatePermissionFlags(bp, userId, flagMask, flagValues)) { 4015 // Install and runtime permissions are stored in different places, 4016 // so figure out what permission changed and persist the change. 4017 if (permissionsState.getInstallPermissionState(name) != null) { 4018 scheduleWriteSettingsLocked(); 4019 } else if (permissionsState.getRuntimePermissionState(name, userId) != null 4020 || hadState) { 4021 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4022 } 4023 } 4024 } 4025 } 4026 4027 /** 4028 * Update the permission flags for all packages and runtime permissions of a user in order 4029 * to allow device or profile owner to remove POLICY_FIXED. 4030 */ 4031 @Override 4032 public void updatePermissionFlagsForAllApps(int flagMask, int flagValues, int userId) { 4033 if (!sUserManager.exists(userId)) { 4034 return; 4035 } 4036 4037 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlagsForAllApps"); 4038 4039 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 4040 "updatePermissionFlagsForAllApps"); 4041 4042 // Only the system can change system fixed flags. 4043 if (getCallingUid() != Process.SYSTEM_UID) { 4044 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4045 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4046 } 4047 4048 synchronized (mPackages) { 4049 boolean changed = false; 4050 final int packageCount = mPackages.size(); 4051 for (int pkgIndex = 0; pkgIndex < packageCount; pkgIndex++) { 4052 final PackageParser.Package pkg = mPackages.valueAt(pkgIndex); 4053 SettingBase sb = (SettingBase) pkg.mExtras; 4054 if (sb == null) { 4055 continue; 4056 } 4057 PermissionsState permissionsState = sb.getPermissionsState(); 4058 changed |= permissionsState.updatePermissionFlagsForAllPermissions( 4059 userId, flagMask, flagValues); 4060 } 4061 if (changed) { 4062 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4063 } 4064 } 4065 } 4066 4067 private void enforceGrantRevokeRuntimePermissionPermissions(String message) { 4068 if (mContext.checkCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS) 4069 != PackageManager.PERMISSION_GRANTED 4070 && mContext.checkCallingOrSelfPermission(Manifest.permission.REVOKE_RUNTIME_PERMISSIONS) 4071 != PackageManager.PERMISSION_GRANTED) { 4072 throw new SecurityException(message + " requires " 4073 + Manifest.permission.GRANT_RUNTIME_PERMISSIONS + " or " 4074 + Manifest.permission.REVOKE_RUNTIME_PERMISSIONS); 4075 } 4076 } 4077 4078 @Override 4079 public boolean shouldShowRequestPermissionRationale(String permissionName, 4080 String packageName, int userId) { 4081 if (UserHandle.getCallingUserId() != userId) { 4082 mContext.enforceCallingPermission( 4083 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4084 "canShowRequestPermissionRationale for user " + userId); 4085 } 4086 4087 final int uid = getPackageUid(packageName, MATCH_DEBUG_TRIAGED_MISSING, userId); 4088 if (UserHandle.getAppId(getCallingUid()) != UserHandle.getAppId(uid)) { 4089 return false; 4090 } 4091 4092 if (checkPermission(permissionName, packageName, userId) 4093 == PackageManager.PERMISSION_GRANTED) { 4094 return false; 4095 } 4096 4097 final int flags; 4098 4099 final long identity = Binder.clearCallingIdentity(); 4100 try { 4101 flags = getPermissionFlags(permissionName, 4102 packageName, userId); 4103 } finally { 4104 Binder.restoreCallingIdentity(identity); 4105 } 4106 4107 final int fixedFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 4108 | PackageManager.FLAG_PERMISSION_POLICY_FIXED 4109 | PackageManager.FLAG_PERMISSION_USER_FIXED; 4110 4111 if ((flags & fixedFlags) != 0) { 4112 return false; 4113 } 4114 4115 return (flags & PackageManager.FLAG_PERMISSION_USER_SET) != 0; 4116 } 4117 4118 @Override 4119 public void addOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4120 mContext.enforceCallingOrSelfPermission( 4121 Manifest.permission.OBSERVE_GRANT_REVOKE_PERMISSIONS, 4122 "addOnPermissionsChangeListener"); 4123 4124 synchronized (mPackages) { 4125 mOnPermissionChangeListeners.addListenerLocked(listener); 4126 } 4127 } 4128 4129 @Override 4130 public void removeOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4131 synchronized (mPackages) { 4132 mOnPermissionChangeListeners.removeListenerLocked(listener); 4133 } 4134 } 4135 4136 @Override 4137 public boolean isProtectedBroadcast(String actionName) { 4138 synchronized (mPackages) { 4139 if (mProtectedBroadcasts.contains(actionName)) { 4140 return true; 4141 } else if (actionName != null) { 4142 // TODO: remove these terrible hacks 4143 if (actionName.startsWith("android.net.netmon.lingerExpired") 4144 || actionName.startsWith("com.android.server.sip.SipWakeupTimer")) { 4145 return true; 4146 } 4147 } 4148 } 4149 return false; 4150 } 4151 4152 @Override 4153 public int checkSignatures(String pkg1, String pkg2) { 4154 synchronized (mPackages) { 4155 final PackageParser.Package p1 = mPackages.get(pkg1); 4156 final PackageParser.Package p2 = mPackages.get(pkg2); 4157 if (p1 == null || p1.mExtras == null 4158 || p2 == null || p2.mExtras == null) { 4159 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4160 } 4161 return compareSignatures(p1.mSignatures, p2.mSignatures); 4162 } 4163 } 4164 4165 @Override 4166 public int checkUidSignatures(int uid1, int uid2) { 4167 // Map to base uids. 4168 uid1 = UserHandle.getAppId(uid1); 4169 uid2 = UserHandle.getAppId(uid2); 4170 // reader 4171 synchronized (mPackages) { 4172 Signature[] s1; 4173 Signature[] s2; 4174 Object obj = mSettings.getUserIdLPr(uid1); 4175 if (obj != null) { 4176 if (obj instanceof SharedUserSetting) { 4177 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 4178 } else if (obj instanceof PackageSetting) { 4179 s1 = ((PackageSetting)obj).signatures.mSignatures; 4180 } else { 4181 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4182 } 4183 } else { 4184 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4185 } 4186 obj = mSettings.getUserIdLPr(uid2); 4187 if (obj != null) { 4188 if (obj instanceof SharedUserSetting) { 4189 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 4190 } else if (obj instanceof PackageSetting) { 4191 s2 = ((PackageSetting)obj).signatures.mSignatures; 4192 } else { 4193 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4194 } 4195 } else { 4196 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4197 } 4198 return compareSignatures(s1, s2); 4199 } 4200 } 4201 4202 private void killUid(int appId, int userId, String reason) { 4203 final long identity = Binder.clearCallingIdentity(); 4204 try { 4205 IActivityManager am = ActivityManagerNative.getDefault(); 4206 if (am != null) { 4207 try { 4208 am.killUid(appId, userId, reason); 4209 } catch (RemoteException e) { 4210 /* ignore - same process */ 4211 } 4212 } 4213 } finally { 4214 Binder.restoreCallingIdentity(identity); 4215 } 4216 } 4217 4218 /** 4219 * Compares two sets of signatures. Returns: 4220 * <br /> 4221 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 4222 * <br /> 4223 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 4224 * <br /> 4225 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 4226 * <br /> 4227 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 4228 * <br /> 4229 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 4230 */ 4231 static int compareSignatures(Signature[] s1, Signature[] s2) { 4232 if (s1 == null) { 4233 return s2 == null 4234 ? PackageManager.SIGNATURE_NEITHER_SIGNED 4235 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 4236 } 4237 4238 if (s2 == null) { 4239 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 4240 } 4241 4242 if (s1.length != s2.length) { 4243 return PackageManager.SIGNATURE_NO_MATCH; 4244 } 4245 4246 // Since both signature sets are of size 1, we can compare without HashSets. 4247 if (s1.length == 1) { 4248 return s1[0].equals(s2[0]) ? 4249 PackageManager.SIGNATURE_MATCH : 4250 PackageManager.SIGNATURE_NO_MATCH; 4251 } 4252 4253 ArraySet<Signature> set1 = new ArraySet<Signature>(); 4254 for (Signature sig : s1) { 4255 set1.add(sig); 4256 } 4257 ArraySet<Signature> set2 = new ArraySet<Signature>(); 4258 for (Signature sig : s2) { 4259 set2.add(sig); 4260 } 4261 // Make sure s2 contains all signatures in s1. 4262 if (set1.equals(set2)) { 4263 return PackageManager.SIGNATURE_MATCH; 4264 } 4265 return PackageManager.SIGNATURE_NO_MATCH; 4266 } 4267 4268 /** 4269 * If the database version for this type of package (internal storage or 4270 * external storage) is less than the version where package signatures 4271 * were updated, return true. 4272 */ 4273 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4274 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4275 return ver.databaseVersion < DatabaseVersion.SIGNATURE_END_ENTITY; 4276 } 4277 4278 /** 4279 * Used for backward compatibility to make sure any packages with 4280 * certificate chains get upgraded to the new style. {@code existingSigs} 4281 * will be in the old format (since they were stored on disk from before the 4282 * system upgrade) and {@code scannedSigs} will be in the newer format. 4283 */ 4284 private int compareSignaturesCompat(PackageSignatures existingSigs, 4285 PackageParser.Package scannedPkg) { 4286 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 4287 return PackageManager.SIGNATURE_NO_MATCH; 4288 } 4289 4290 ArraySet<Signature> existingSet = new ArraySet<Signature>(); 4291 for (Signature sig : existingSigs.mSignatures) { 4292 existingSet.add(sig); 4293 } 4294 ArraySet<Signature> scannedCompatSet = new ArraySet<Signature>(); 4295 for (Signature sig : scannedPkg.mSignatures) { 4296 try { 4297 Signature[] chainSignatures = sig.getChainSignatures(); 4298 for (Signature chainSig : chainSignatures) { 4299 scannedCompatSet.add(chainSig); 4300 } 4301 } catch (CertificateEncodingException e) { 4302 scannedCompatSet.add(sig); 4303 } 4304 } 4305 /* 4306 * Make sure the expanded scanned set contains all signatures in the 4307 * existing one. 4308 */ 4309 if (scannedCompatSet.equals(existingSet)) { 4310 // Migrate the old signatures to the new scheme. 4311 existingSigs.assignSignatures(scannedPkg.mSignatures); 4312 // The new KeySets will be re-added later in the scanning process. 4313 synchronized (mPackages) { 4314 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName); 4315 } 4316 return PackageManager.SIGNATURE_MATCH; 4317 } 4318 return PackageManager.SIGNATURE_NO_MATCH; 4319 } 4320 4321 private boolean isRecoverSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4322 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4323 return ver.databaseVersion < DatabaseVersion.SIGNATURE_MALFORMED_RECOVER; 4324 } 4325 4326 private int compareSignaturesRecover(PackageSignatures existingSigs, 4327 PackageParser.Package scannedPkg) { 4328 if (!isRecoverSignatureUpdateNeeded(scannedPkg)) { 4329 return PackageManager.SIGNATURE_NO_MATCH; 4330 } 4331 4332 String msg = null; 4333 try { 4334 if (Signature.areEffectiveMatch(existingSigs.mSignatures, scannedPkg.mSignatures)) { 4335 logCriticalInfo(Log.INFO, "Recovered effectively matching certificates for " 4336 + scannedPkg.packageName); 4337 return PackageManager.SIGNATURE_MATCH; 4338 } 4339 } catch (CertificateException e) { 4340 msg = e.getMessage(); 4341 } 4342 4343 logCriticalInfo(Log.INFO, 4344 "Failed to recover certificates for " + scannedPkg.packageName + ": " + msg); 4345 return PackageManager.SIGNATURE_NO_MATCH; 4346 } 4347 4348 @Override 4349 public String[] getPackagesForUid(int uid) { 4350 uid = UserHandle.getAppId(uid); 4351 // reader 4352 synchronized (mPackages) { 4353 Object obj = mSettings.getUserIdLPr(uid); 4354 if (obj instanceof SharedUserSetting) { 4355 final SharedUserSetting sus = (SharedUserSetting) obj; 4356 final int N = sus.packages.size(); 4357 final String[] res = new String[N]; 4358 final Iterator<PackageSetting> it = sus.packages.iterator(); 4359 int i = 0; 4360 while (it.hasNext()) { 4361 res[i++] = it.next().name; 4362 } 4363 return res; 4364 } else if (obj instanceof PackageSetting) { 4365 final PackageSetting ps = (PackageSetting) obj; 4366 return new String[] { ps.name }; 4367 } 4368 } 4369 return null; 4370 } 4371 4372 @Override 4373 public String getNameForUid(int uid) { 4374 // reader 4375 synchronized (mPackages) { 4376 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4377 if (obj instanceof SharedUserSetting) { 4378 final SharedUserSetting sus = (SharedUserSetting) obj; 4379 return sus.name + ":" + sus.userId; 4380 } else if (obj instanceof PackageSetting) { 4381 final PackageSetting ps = (PackageSetting) obj; 4382 return ps.name; 4383 } 4384 } 4385 return null; 4386 } 4387 4388 @Override 4389 public int getUidForSharedUser(String sharedUserName) { 4390 if(sharedUserName == null) { 4391 return -1; 4392 } 4393 // reader 4394 synchronized (mPackages) { 4395 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, 0, false); 4396 if (suid == null) { 4397 return -1; 4398 } 4399 return suid.userId; 4400 } 4401 } 4402 4403 @Override 4404 public int getFlagsForUid(int uid) { 4405 synchronized (mPackages) { 4406 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4407 if (obj instanceof SharedUserSetting) { 4408 final SharedUserSetting sus = (SharedUserSetting) obj; 4409 return sus.pkgFlags; 4410 } else if (obj instanceof PackageSetting) { 4411 final PackageSetting ps = (PackageSetting) obj; 4412 return ps.pkgFlags; 4413 } 4414 } 4415 return 0; 4416 } 4417 4418 @Override 4419 public int getPrivateFlagsForUid(int uid) { 4420 synchronized (mPackages) { 4421 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4422 if (obj instanceof SharedUserSetting) { 4423 final SharedUserSetting sus = (SharedUserSetting) obj; 4424 return sus.pkgPrivateFlags; 4425 } else if (obj instanceof PackageSetting) { 4426 final PackageSetting ps = (PackageSetting) obj; 4427 return ps.pkgPrivateFlags; 4428 } 4429 } 4430 return 0; 4431 } 4432 4433 @Override 4434 public boolean isUidPrivileged(int uid) { 4435 uid = UserHandle.getAppId(uid); 4436 // reader 4437 synchronized (mPackages) { 4438 Object obj = mSettings.getUserIdLPr(uid); 4439 if (obj instanceof SharedUserSetting) { 4440 final SharedUserSetting sus = (SharedUserSetting) obj; 4441 final Iterator<PackageSetting> it = sus.packages.iterator(); 4442 while (it.hasNext()) { 4443 if (it.next().isPrivileged()) { 4444 return true; 4445 } 4446 } 4447 } else if (obj instanceof PackageSetting) { 4448 final PackageSetting ps = (PackageSetting) obj; 4449 return ps.isPrivileged(); 4450 } 4451 } 4452 return false; 4453 } 4454 4455 @Override 4456 public String[] getAppOpPermissionPackages(String permissionName) { 4457 synchronized (mPackages) { 4458 ArraySet<String> pkgs = mAppOpPermissionPackages.get(permissionName); 4459 if (pkgs == null) { 4460 return null; 4461 } 4462 return pkgs.toArray(new String[pkgs.size()]); 4463 } 4464 } 4465 4466 @Override 4467 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 4468 int flags, int userId) { 4469 if (!sUserManager.exists(userId)) return null; 4470 flags = updateFlagsForResolve(flags, userId, intent); 4471 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "resolve intent"); 4472 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 4473 final ResolveInfo bestChoice = 4474 chooseBestActivity(intent, resolvedType, flags, query, userId); 4475 4476 if (isEphemeralAllowed(intent, query, userId)) { 4477 final EphemeralResolveInfo ai = 4478 getEphemeralResolveInfo(intent, resolvedType, userId); 4479 if (ai != null) { 4480 if (DEBUG_EPHEMERAL) { 4481 Slog.v(TAG, "Returning an EphemeralResolveInfo"); 4482 } 4483 bestChoice.ephemeralInstaller = mEphemeralInstallerInfo; 4484 bestChoice.ephemeralResolveInfo = ai; 4485 } 4486 } 4487 return bestChoice; 4488 } 4489 4490 @Override 4491 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 4492 IntentFilter filter, int match, ComponentName activity) { 4493 final int userId = UserHandle.getCallingUserId(); 4494 if (DEBUG_PREFERRED) { 4495 Log.v(TAG, "setLastChosenActivity intent=" + intent 4496 + " resolvedType=" + resolvedType 4497 + " flags=" + flags 4498 + " filter=" + filter 4499 + " match=" + match 4500 + " activity=" + activity); 4501 filter.dump(new PrintStreamPrinter(System.out), " "); 4502 } 4503 intent.setComponent(null); 4504 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 4505 // Find any earlier preferred or last chosen entries and nuke them 4506 findPreferredActivity(intent, resolvedType, 4507 flags, query, 0, false, true, false, userId); 4508 // Add the new activity as the last chosen for this filter 4509 addPreferredActivityInternal(filter, match, null, activity, false, userId, 4510 "Setting last chosen"); 4511 } 4512 4513 @Override 4514 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 4515 final int userId = UserHandle.getCallingUserId(); 4516 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 4517 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 4518 return findPreferredActivity(intent, resolvedType, flags, query, 0, 4519 false, false, false, userId); 4520 } 4521 4522 4523 private boolean isEphemeralAllowed( 4524 Intent intent, List<ResolveInfo> resolvedActivites, int userId) { 4525 // Short circuit and return early if possible. 4526 if (DISABLE_EPHEMERAL_APPS) { 4527 return false; 4528 } 4529 final int callingUser = UserHandle.getCallingUserId(); 4530 if (callingUser != UserHandle.USER_SYSTEM) { 4531 return false; 4532 } 4533 if (mEphemeralResolverConnection == null) { 4534 return false; 4535 } 4536 if (intent.getComponent() != null) { 4537 return false; 4538 } 4539 if (intent.getPackage() != null) { 4540 return false; 4541 } 4542 final boolean isWebUri = hasWebURI(intent); 4543 if (!isWebUri) { 4544 return false; 4545 } 4546 // Deny ephemeral apps if the user chose _ALWAYS or _ALWAYS_ASK for intent resolution. 4547 synchronized (mPackages) { 4548 final int count = resolvedActivites.size(); 4549 for (int n = 0; n < count; n++) { 4550 ResolveInfo info = resolvedActivites.get(n); 4551 String packageName = info.activityInfo.packageName; 4552 PackageSetting ps = mSettings.mPackages.get(packageName); 4553 if (ps != null) { 4554 // Try to get the status from User settings first 4555 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 4556 int status = (int) (packedStatus >> 32); 4557 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS 4558 || status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 4559 if (DEBUG_EPHEMERAL) { 4560 Slog.v(TAG, "DENY ephemeral apps;" 4561 + " pkg: " + packageName + ", status: " + status); 4562 } 4563 return false; 4564 } 4565 } 4566 } 4567 } 4568 // We've exhausted all ways to deny ephemeral application; let the system look for them. 4569 return true; 4570 } 4571 4572 private EphemeralResolveInfo getEphemeralResolveInfo(Intent intent, String resolvedType, 4573 int userId) { 4574 MessageDigest digest = null; 4575 try { 4576 digest = MessageDigest.getInstance(EphemeralResolveInfo.SHA_ALGORITHM); 4577 } catch (NoSuchAlgorithmException e) { 4578 // If we can't create a digest, ignore ephemeral apps. 4579 return null; 4580 } 4581 4582 final byte[] hostBytes = intent.getData().getHost().getBytes(); 4583 final byte[] digestBytes = digest.digest(hostBytes); 4584 int shaPrefix = 4585 digestBytes[0] << 24 4586 | digestBytes[1] << 16 4587 | digestBytes[2] << 8 4588 | digestBytes[3] << 0; 4589 final List<EphemeralResolveInfo> ephemeralResolveInfoList = 4590 mEphemeralResolverConnection.getEphemeralResolveInfoList(shaPrefix); 4591 if (ephemeralResolveInfoList == null || ephemeralResolveInfoList.size() == 0) { 4592 // No hash prefix match; there are no ephemeral apps for this domain. 4593 return null; 4594 } 4595 for (int i = ephemeralResolveInfoList.size() - 1; i >= 0; --i) { 4596 EphemeralResolveInfo ephemeralApplication = ephemeralResolveInfoList.get(i); 4597 if (!Arrays.equals(digestBytes, ephemeralApplication.getDigestBytes())) { 4598 continue; 4599 } 4600 final List<IntentFilter> filters = ephemeralApplication.getFilters(); 4601 // No filters; this should never happen. 4602 if (filters.isEmpty()) { 4603 continue; 4604 } 4605 // We have a domain match; resolve the filters to see if anything matches. 4606 final EphemeralIntentResolver ephemeralResolver = new EphemeralIntentResolver(); 4607 for (int j = filters.size() - 1; j >= 0; --j) { 4608 final EphemeralResolveIntentInfo intentInfo = 4609 new EphemeralResolveIntentInfo(filters.get(j), ephemeralApplication); 4610 ephemeralResolver.addFilter(intentInfo); 4611 } 4612 List<EphemeralResolveInfo> matchedResolveInfoList = ephemeralResolver.queryIntent( 4613 intent, resolvedType, false /*defaultOnly*/, userId); 4614 if (!matchedResolveInfoList.isEmpty()) { 4615 return matchedResolveInfoList.get(0); 4616 } 4617 } 4618 // Hash or filter mis-match; no ephemeral apps for this domain. 4619 return null; 4620 } 4621 4622 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 4623 int flags, List<ResolveInfo> query, int userId) { 4624 if (query != null) { 4625 final int N = query.size(); 4626 if (N == 1) { 4627 return query.get(0); 4628 } else if (N > 1) { 4629 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 4630 // If there is more than one activity with the same priority, 4631 // then let the user decide between them. 4632 ResolveInfo r0 = query.get(0); 4633 ResolveInfo r1 = query.get(1); 4634 if (DEBUG_INTENT_MATCHING || debug) { 4635 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 4636 + r1.activityInfo.name + "=" + r1.priority); 4637 } 4638 // If the first activity has a higher priority, or a different 4639 // default, then it is always desirable to pick it. 4640 if (r0.priority != r1.priority 4641 || r0.preferredOrder != r1.preferredOrder 4642 || r0.isDefault != r1.isDefault) { 4643 return query.get(0); 4644 } 4645 // If we have saved a preference for a preferred activity for 4646 // this Intent, use that. 4647 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 4648 flags, query, r0.priority, true, false, debug, userId); 4649 if (ri != null) { 4650 return ri; 4651 } 4652 ri = new ResolveInfo(mResolveInfo); 4653 ri.activityInfo = new ActivityInfo(ri.activityInfo); 4654 ri.activityInfo.applicationInfo = new ApplicationInfo( 4655 ri.activityInfo.applicationInfo); 4656 if (userId != 0) { 4657 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 4658 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 4659 } 4660 // Make sure that the resolver is displayable in car mode 4661 if (ri.activityInfo.metaData == null) ri.activityInfo.metaData = new Bundle(); 4662 ri.activityInfo.metaData.putBoolean(Intent.METADATA_DOCK_HOME, true); 4663 return ri; 4664 } 4665 } 4666 return null; 4667 } 4668 4669 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 4670 int flags, List<ResolveInfo> query, boolean debug, int userId) { 4671 final int N = query.size(); 4672 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 4673 .get(userId); 4674 // Get the list of persistent preferred activities that handle the intent 4675 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 4676 List<PersistentPreferredActivity> pprefs = ppir != null 4677 ? ppir.queryIntent(intent, resolvedType, 4678 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 4679 : null; 4680 if (pprefs != null && pprefs.size() > 0) { 4681 final int M = pprefs.size(); 4682 for (int i=0; i<M; i++) { 4683 final PersistentPreferredActivity ppa = pprefs.get(i); 4684 if (DEBUG_PREFERRED || debug) { 4685 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 4686 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 4687 + "\n component=" + ppa.mComponent); 4688 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4689 } 4690 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 4691 flags | MATCH_DISABLED_COMPONENTS, userId); 4692 if (DEBUG_PREFERRED || debug) { 4693 Slog.v(TAG, "Found persistent preferred activity:"); 4694 if (ai != null) { 4695 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4696 } else { 4697 Slog.v(TAG, " null"); 4698 } 4699 } 4700 if (ai == null) { 4701 // This previously registered persistent preferred activity 4702 // component is no longer known. Ignore it and do NOT remove it. 4703 continue; 4704 } 4705 for (int j=0; j<N; j++) { 4706 final ResolveInfo ri = query.get(j); 4707 if (!ri.activityInfo.applicationInfo.packageName 4708 .equals(ai.applicationInfo.packageName)) { 4709 continue; 4710 } 4711 if (!ri.activityInfo.name.equals(ai.name)) { 4712 continue; 4713 } 4714 // Found a persistent preference that can handle the intent. 4715 if (DEBUG_PREFERRED || debug) { 4716 Slog.v(TAG, "Returning persistent preferred activity: " + 4717 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 4718 } 4719 return ri; 4720 } 4721 } 4722 } 4723 return null; 4724 } 4725 4726 // TODO: handle preferred activities missing while user has amnesia 4727 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 4728 List<ResolveInfo> query, int priority, boolean always, 4729 boolean removeMatches, boolean debug, int userId) { 4730 if (!sUserManager.exists(userId)) return null; 4731 flags = updateFlagsForResolve(flags, userId, intent); 4732 // writer 4733 synchronized (mPackages) { 4734 if (intent.getSelector() != null) { 4735 intent = intent.getSelector(); 4736 } 4737 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 4738 4739 // Try to find a matching persistent preferred activity. 4740 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 4741 debug, userId); 4742 4743 // If a persistent preferred activity matched, use it. 4744 if (pri != null) { 4745 return pri; 4746 } 4747 4748 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 4749 // Get the list of preferred activities that handle the intent 4750 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 4751 List<PreferredActivity> prefs = pir != null 4752 ? pir.queryIntent(intent, resolvedType, 4753 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 4754 : null; 4755 if (prefs != null && prefs.size() > 0) { 4756 boolean changed = false; 4757 try { 4758 // First figure out how good the original match set is. 4759 // We will only allow preferred activities that came 4760 // from the same match quality. 4761 int match = 0; 4762 4763 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 4764 4765 final int N = query.size(); 4766 for (int j=0; j<N; j++) { 4767 final ResolveInfo ri = query.get(j); 4768 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 4769 + ": 0x" + Integer.toHexString(match)); 4770 if (ri.match > match) { 4771 match = ri.match; 4772 } 4773 } 4774 4775 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 4776 + Integer.toHexString(match)); 4777 4778 match &= IntentFilter.MATCH_CATEGORY_MASK; 4779 final int M = prefs.size(); 4780 for (int i=0; i<M; i++) { 4781 final PreferredActivity pa = prefs.get(i); 4782 if (DEBUG_PREFERRED || debug) { 4783 Slog.v(TAG, "Checking PreferredActivity ds=" 4784 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 4785 + "\n component=" + pa.mPref.mComponent); 4786 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4787 } 4788 if (pa.mPref.mMatch != match) { 4789 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 4790 + Integer.toHexString(pa.mPref.mMatch)); 4791 continue; 4792 } 4793 // If it's not an "always" type preferred activity and that's what we're 4794 // looking for, skip it. 4795 if (always && !pa.mPref.mAlways) { 4796 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 4797 continue; 4798 } 4799 final ActivityInfo ai = getActivityInfo(pa.mPref.mComponent, 4800 flags | MATCH_DISABLED_COMPONENTS, userId); 4801 if (DEBUG_PREFERRED || debug) { 4802 Slog.v(TAG, "Found preferred activity:"); 4803 if (ai != null) { 4804 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4805 } else { 4806 Slog.v(TAG, " null"); 4807 } 4808 } 4809 if (ai == null) { 4810 // This previously registered preferred activity 4811 // component is no longer known. Most likely an update 4812 // to the app was installed and in the new version this 4813 // component no longer exists. Clean it up by removing 4814 // it from the preferred activities list, and skip it. 4815 Slog.w(TAG, "Removing dangling preferred activity: " 4816 + pa.mPref.mComponent); 4817 pir.removeFilter(pa); 4818 changed = true; 4819 continue; 4820 } 4821 for (int j=0; j<N; j++) { 4822 final ResolveInfo ri = query.get(j); 4823 if (!ri.activityInfo.applicationInfo.packageName 4824 .equals(ai.applicationInfo.packageName)) { 4825 continue; 4826 } 4827 if (!ri.activityInfo.name.equals(ai.name)) { 4828 continue; 4829 } 4830 4831 if (removeMatches) { 4832 pir.removeFilter(pa); 4833 changed = true; 4834 if (DEBUG_PREFERRED) { 4835 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 4836 } 4837 break; 4838 } 4839 4840 // Okay we found a previously set preferred or last chosen app. 4841 // If the result set is different from when this 4842 // was created, we need to clear it and re-ask the 4843 // user their preference, if we're looking for an "always" type entry. 4844 if (always && !pa.mPref.sameSet(query)) { 4845 Slog.i(TAG, "Result set changed, dropping preferred activity for " 4846 + intent + " type " + resolvedType); 4847 if (DEBUG_PREFERRED) { 4848 Slog.v(TAG, "Removing preferred activity since set changed " 4849 + pa.mPref.mComponent); 4850 } 4851 pir.removeFilter(pa); 4852 // Re-add the filter as a "last chosen" entry (!always) 4853 PreferredActivity lastChosen = new PreferredActivity( 4854 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 4855 pir.addFilter(lastChosen); 4856 changed = true; 4857 return null; 4858 } 4859 4860 // Yay! Either the set matched or we're looking for the last chosen 4861 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 4862 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 4863 return ri; 4864 } 4865 } 4866 } finally { 4867 if (changed) { 4868 if (DEBUG_PREFERRED) { 4869 Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions"); 4870 } 4871 scheduleWritePackageRestrictionsLocked(userId); 4872 } 4873 } 4874 } 4875 } 4876 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 4877 return null; 4878 } 4879 4880 /* 4881 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 4882 */ 4883 @Override 4884 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 4885 int targetUserId) { 4886 mContext.enforceCallingOrSelfPermission( 4887 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 4888 List<CrossProfileIntentFilter> matches = 4889 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 4890 if (matches != null) { 4891 int size = matches.size(); 4892 for (int i = 0; i < size; i++) { 4893 if (matches.get(i).getTargetUserId() == targetUserId) return true; 4894 } 4895 } 4896 if (hasWebURI(intent)) { 4897 // cross-profile app linking works only towards the parent. 4898 final UserInfo parent = getProfileParent(sourceUserId); 4899 synchronized(mPackages) { 4900 CrossProfileDomainInfo xpDomainInfo = getCrossProfileDomainPreferredLpr( 4901 intent, resolvedType, 0, sourceUserId, parent.id); 4902 return xpDomainInfo != null; 4903 } 4904 } 4905 return false; 4906 } 4907 4908 private UserInfo getProfileParent(int userId) { 4909 final long identity = Binder.clearCallingIdentity(); 4910 try { 4911 return sUserManager.getProfileParent(userId); 4912 } finally { 4913 Binder.restoreCallingIdentity(identity); 4914 } 4915 } 4916 4917 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 4918 String resolvedType, int userId) { 4919 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 4920 if (resolver != null) { 4921 return resolver.queryIntent(intent, resolvedType, false, userId); 4922 } 4923 return null; 4924 } 4925 4926 @Override 4927 public List<ResolveInfo> queryIntentActivities(Intent intent, 4928 String resolvedType, int flags, int userId) { 4929 if (!sUserManager.exists(userId)) return Collections.emptyList(); 4930 flags = updateFlagsForResolve(flags, userId, intent); 4931 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "query intent activities"); 4932 ComponentName comp = intent.getComponent(); 4933 if (comp == null) { 4934 if (intent.getSelector() != null) { 4935 intent = intent.getSelector(); 4936 comp = intent.getComponent(); 4937 } 4938 } 4939 4940 if (comp != null) { 4941 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 4942 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 4943 if (ai != null) { 4944 final ResolveInfo ri = new ResolveInfo(); 4945 ri.activityInfo = ai; 4946 list.add(ri); 4947 } 4948 return list; 4949 } 4950 4951 // reader 4952 synchronized (mPackages) { 4953 final String pkgName = intent.getPackage(); 4954 if (pkgName == null) { 4955 List<CrossProfileIntentFilter> matchingFilters = 4956 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 4957 // Check for results that need to skip the current profile. 4958 ResolveInfo xpResolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 4959 resolvedType, flags, userId); 4960 if (xpResolveInfo != null) { 4961 List<ResolveInfo> result = new ArrayList<ResolveInfo>(1); 4962 result.add(xpResolveInfo); 4963 return filterIfNotSystemUser(result, userId); 4964 } 4965 4966 // Check for results in the current profile. 4967 List<ResolveInfo> result = mActivities.queryIntent( 4968 intent, resolvedType, flags, userId); 4969 result = filterIfNotSystemUser(result, userId); 4970 4971 // Check for cross profile results. 4972 boolean hasNonNegativePriorityResult = hasNonNegativePriority(result); 4973 xpResolveInfo = queryCrossProfileIntents( 4974 matchingFilters, intent, resolvedType, flags, userId, 4975 hasNonNegativePriorityResult); 4976 if (xpResolveInfo != null && isUserEnabled(xpResolveInfo.targetUserId)) { 4977 boolean isVisibleToUser = filterIfNotSystemUser( 4978 Collections.singletonList(xpResolveInfo), userId).size() > 0; 4979 if (isVisibleToUser) { 4980 result.add(xpResolveInfo); 4981 Collections.sort(result, mResolvePrioritySorter); 4982 } 4983 } 4984 if (hasWebURI(intent)) { 4985 CrossProfileDomainInfo xpDomainInfo = null; 4986 final UserInfo parent = getProfileParent(userId); 4987 if (parent != null) { 4988 xpDomainInfo = getCrossProfileDomainPreferredLpr(intent, resolvedType, 4989 flags, userId, parent.id); 4990 } 4991 if (xpDomainInfo != null) { 4992 if (xpResolveInfo != null) { 4993 // If we didn't remove it, the cross-profile ResolveInfo would be twice 4994 // in the result. 4995 result.remove(xpResolveInfo); 4996 } 4997 if (result.size() == 0) { 4998 result.add(xpDomainInfo.resolveInfo); 4999 return result; 5000 } 5001 } else if (result.size() <= 1) { 5002 return result; 5003 } 5004 result = filterCandidatesWithDomainPreferredActivitiesLPr(intent, flags, result, 5005 xpDomainInfo, userId); 5006 Collections.sort(result, mResolvePrioritySorter); 5007 } 5008 return result; 5009 } 5010 final PackageParser.Package pkg = mPackages.get(pkgName); 5011 if (pkg != null) { 5012 return filterIfNotSystemUser( 5013 mActivities.queryIntentForPackage( 5014 intent, resolvedType, flags, pkg.activities, userId), 5015 userId); 5016 } 5017 return new ArrayList<ResolveInfo>(); 5018 } 5019 } 5020 5021 private static class CrossProfileDomainInfo { 5022 /* ResolveInfo for IntentForwarderActivity to send the intent to the other profile */ 5023 ResolveInfo resolveInfo; 5024 /* Best domain verification status of the activities found in the other profile */ 5025 int bestDomainVerificationStatus; 5026 } 5027 5028 private CrossProfileDomainInfo getCrossProfileDomainPreferredLpr(Intent intent, 5029 String resolvedType, int flags, int sourceUserId, int parentUserId) { 5030 if (!sUserManager.hasUserRestriction(UserManager.ALLOW_PARENT_PROFILE_APP_LINKING, 5031 sourceUserId)) { 5032 return null; 5033 } 5034 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5035 resolvedType, flags, parentUserId); 5036 5037 if (resultTargetUser == null || resultTargetUser.isEmpty()) { 5038 return null; 5039 } 5040 CrossProfileDomainInfo result = null; 5041 int size = resultTargetUser.size(); 5042 for (int i = 0; i < size; i++) { 5043 ResolveInfo riTargetUser = resultTargetUser.get(i); 5044 // Intent filter verification is only for filters that specify a host. So don't return 5045 // those that handle all web uris. 5046 if (riTargetUser.handleAllWebDataURI) { 5047 continue; 5048 } 5049 String packageName = riTargetUser.activityInfo.packageName; 5050 PackageSetting ps = mSettings.mPackages.get(packageName); 5051 if (ps == null) { 5052 continue; 5053 } 5054 long verificationState = getDomainVerificationStatusLPr(ps, parentUserId); 5055 int status = (int)(verificationState >> 32); 5056 if (result == null) { 5057 result = new CrossProfileDomainInfo(); 5058 result.resolveInfo = createForwardingResolveInfoUnchecked(new IntentFilter(), 5059 sourceUserId, parentUserId); 5060 result.bestDomainVerificationStatus = status; 5061 } else { 5062 result.bestDomainVerificationStatus = bestDomainVerificationStatus(status, 5063 result.bestDomainVerificationStatus); 5064 } 5065 } 5066 // Don't consider matches with status NEVER across profiles. 5067 if (result != null && result.bestDomainVerificationStatus 5068 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5069 return null; 5070 } 5071 return result; 5072 } 5073 5074 /** 5075 * Verification statuses are ordered from the worse to the best, except for 5076 * INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER, which is the worse. 5077 */ 5078 private int bestDomainVerificationStatus(int status1, int status2) { 5079 if (status1 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5080 return status2; 5081 } 5082 if (status2 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5083 return status1; 5084 } 5085 return (int) MathUtils.max(status1, status2); 5086 } 5087 5088 private boolean isUserEnabled(int userId) { 5089 long callingId = Binder.clearCallingIdentity(); 5090 try { 5091 UserInfo userInfo = sUserManager.getUserInfo(userId); 5092 return userInfo != null && userInfo.isEnabled(); 5093 } finally { 5094 Binder.restoreCallingIdentity(callingId); 5095 } 5096 } 5097 5098 /** 5099 * Filter out activities with systemUserOnly flag set, when current user is not System. 5100 * 5101 * @return filtered list 5102 */ 5103 private List<ResolveInfo> filterIfNotSystemUser(List<ResolveInfo> resolveInfos, int userId) { 5104 if (userId == UserHandle.USER_SYSTEM) { 5105 return resolveInfos; 5106 } 5107 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 5108 ResolveInfo info = resolveInfos.get(i); 5109 if ((info.activityInfo.flags & ActivityInfo.FLAG_SYSTEM_USER_ONLY) != 0) { 5110 resolveInfos.remove(i); 5111 } 5112 } 5113 return resolveInfos; 5114 } 5115 5116 /** 5117 * @param resolveInfos list of resolve infos in descending priority order 5118 * @return if the list contains a resolve info with non-negative priority 5119 */ 5120 private boolean hasNonNegativePriority(List<ResolveInfo> resolveInfos) { 5121 return resolveInfos.size() > 0 && resolveInfos.get(0).priority >= 0; 5122 } 5123 5124 private static boolean hasWebURI(Intent intent) { 5125 if (intent.getData() == null) { 5126 return false; 5127 } 5128 final String scheme = intent.getScheme(); 5129 if (TextUtils.isEmpty(scheme)) { 5130 return false; 5131 } 5132 return scheme.equals(IntentFilter.SCHEME_HTTP) || scheme.equals(IntentFilter.SCHEME_HTTPS); 5133 } 5134 5135 private List<ResolveInfo> filterCandidatesWithDomainPreferredActivitiesLPr(Intent intent, 5136 int matchFlags, List<ResolveInfo> candidates, CrossProfileDomainInfo xpDomainInfo, 5137 int userId) { 5138 final boolean debug = (intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0; 5139 5140 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5141 Slog.v(TAG, "Filtering results with preferred activities. Candidates count: " + 5142 candidates.size()); 5143 } 5144 5145 ArrayList<ResolveInfo> result = new ArrayList<ResolveInfo>(); 5146 ArrayList<ResolveInfo> alwaysList = new ArrayList<ResolveInfo>(); 5147 ArrayList<ResolveInfo> undefinedList = new ArrayList<ResolveInfo>(); 5148 ArrayList<ResolveInfo> alwaysAskList = new ArrayList<ResolveInfo>(); 5149 ArrayList<ResolveInfo> neverList = new ArrayList<ResolveInfo>(); 5150 ArrayList<ResolveInfo> matchAllList = new ArrayList<ResolveInfo>(); 5151 5152 synchronized (mPackages) { 5153 final int count = candidates.size(); 5154 // First, try to use linked apps. Partition the candidates into four lists: 5155 // one for the final results, one for the "do not use ever", one for "undefined status" 5156 // and finally one for "browser app type". 5157 for (int n=0; n<count; n++) { 5158 ResolveInfo info = candidates.get(n); 5159 String packageName = info.activityInfo.packageName; 5160 PackageSetting ps = mSettings.mPackages.get(packageName); 5161 if (ps != null) { 5162 // Add to the special match all list (Browser use case) 5163 if (info.handleAllWebDataURI) { 5164 matchAllList.add(info); 5165 continue; 5166 } 5167 // Try to get the status from User settings first 5168 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 5169 int status = (int)(packedStatus >> 32); 5170 int linkGeneration = (int)(packedStatus & 0xFFFFFFFF); 5171 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS) { 5172 if (DEBUG_DOMAIN_VERIFICATION) { 5173 Slog.i(TAG, " + always: " + info.activityInfo.packageName 5174 + " : linkgen=" + linkGeneration); 5175 } 5176 // Use link-enabled generation as preferredOrder, i.e. 5177 // prefer newly-enabled over earlier-enabled. 5178 info.preferredOrder = linkGeneration; 5179 alwaysList.add(info); 5180 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5181 if (DEBUG_DOMAIN_VERIFICATION) { 5182 Slog.i(TAG, " + never: " + info.activityInfo.packageName); 5183 } 5184 neverList.add(info); 5185 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 5186 if (DEBUG_DOMAIN_VERIFICATION) { 5187 Slog.i(TAG, " + always-ask: " + info.activityInfo.packageName); 5188 } 5189 alwaysAskList.add(info); 5190 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED || 5191 status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK) { 5192 if (DEBUG_DOMAIN_VERIFICATION) { 5193 Slog.i(TAG, " + ask: " + info.activityInfo.packageName); 5194 } 5195 undefinedList.add(info); 5196 } 5197 } 5198 } 5199 5200 // We'll want to include browser possibilities in a few cases 5201 boolean includeBrowser = false; 5202 5203 // First try to add the "always" resolution(s) for the current user, if any 5204 if (alwaysList.size() > 0) { 5205 result.addAll(alwaysList); 5206 } else { 5207 // Add all undefined apps as we want them to appear in the disambiguation dialog. 5208 result.addAll(undefinedList); 5209 // Maybe add one for the other profile. 5210 if (xpDomainInfo != null && ( 5211 xpDomainInfo.bestDomainVerificationStatus 5212 != INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER)) { 5213 result.add(xpDomainInfo.resolveInfo); 5214 } 5215 includeBrowser = true; 5216 } 5217 5218 // The presence of any 'always ask' alternatives means we'll also offer browsers. 5219 // If there were 'always' entries their preferred order has been set, so we also 5220 // back that off to make the alternatives equivalent 5221 if (alwaysAskList.size() > 0) { 5222 for (ResolveInfo i : result) { 5223 i.preferredOrder = 0; 5224 } 5225 result.addAll(alwaysAskList); 5226 includeBrowser = true; 5227 } 5228 5229 if (includeBrowser) { 5230 // Also add browsers (all of them or only the default one) 5231 if (DEBUG_DOMAIN_VERIFICATION) { 5232 Slog.v(TAG, " ...including browsers in candidate set"); 5233 } 5234 if ((matchFlags & MATCH_ALL) != 0) { 5235 result.addAll(matchAllList); 5236 } else { 5237 // Browser/generic handling case. If there's a default browser, go straight 5238 // to that (but only if there is no other higher-priority match). 5239 final String defaultBrowserPackageName = getDefaultBrowserPackageName(userId); 5240 int maxMatchPrio = 0; 5241 ResolveInfo defaultBrowserMatch = null; 5242 final int numCandidates = matchAllList.size(); 5243 for (int n = 0; n < numCandidates; n++) { 5244 ResolveInfo info = matchAllList.get(n); 5245 // track the highest overall match priority... 5246 if (info.priority > maxMatchPrio) { 5247 maxMatchPrio = info.priority; 5248 } 5249 // ...and the highest-priority default browser match 5250 if (info.activityInfo.packageName.equals(defaultBrowserPackageName)) { 5251 if (defaultBrowserMatch == null 5252 || (defaultBrowserMatch.priority < info.priority)) { 5253 if (debug) { 5254 Slog.v(TAG, "Considering default browser match " + info); 5255 } 5256 defaultBrowserMatch = info; 5257 } 5258 } 5259 } 5260 if (defaultBrowserMatch != null 5261 && defaultBrowserMatch.priority >= maxMatchPrio 5262 && !TextUtils.isEmpty(defaultBrowserPackageName)) 5263 { 5264 if (debug) { 5265 Slog.v(TAG, "Default browser match " + defaultBrowserMatch); 5266 } 5267 result.add(defaultBrowserMatch); 5268 } else { 5269 result.addAll(matchAllList); 5270 } 5271 } 5272 5273 // If there is nothing selected, add all candidates and remove the ones that the user 5274 // has explicitly put into the INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER state 5275 if (result.size() == 0) { 5276 result.addAll(candidates); 5277 result.removeAll(neverList); 5278 } 5279 } 5280 } 5281 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5282 Slog.v(TAG, "Filtered results with preferred activities. New candidates count: " + 5283 result.size()); 5284 for (ResolveInfo info : result) { 5285 Slog.v(TAG, " + " + info.activityInfo); 5286 } 5287 } 5288 return result; 5289 } 5290 5291 // Returns a packed value as a long: 5292 // 5293 // high 'int'-sized word: link status: undefined/ask/never/always. 5294 // low 'int'-sized word: relative priority among 'always' results. 5295 private long getDomainVerificationStatusLPr(PackageSetting ps, int userId) { 5296 long result = ps.getDomainVerificationStatusForUser(userId); 5297 // if none available, get the master status 5298 if (result >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 5299 if (ps.getIntentFilterVerificationInfo() != null) { 5300 result = ((long)ps.getIntentFilterVerificationInfo().getStatus()) << 32; 5301 } 5302 } 5303 return result; 5304 } 5305 5306 private ResolveInfo querySkipCurrentProfileIntents( 5307 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5308 int flags, int sourceUserId) { 5309 if (matchingFilters != null) { 5310 int size = matchingFilters.size(); 5311 for (int i = 0; i < size; i ++) { 5312 CrossProfileIntentFilter filter = matchingFilters.get(i); 5313 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 5314 // Checking if there are activities in the target user that can handle the 5315 // intent. 5316 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5317 resolvedType, flags, sourceUserId); 5318 if (resolveInfo != null) { 5319 return resolveInfo; 5320 } 5321 } 5322 } 5323 } 5324 return null; 5325 } 5326 5327 // Return matching ResolveInfo in target user if any. 5328 private ResolveInfo queryCrossProfileIntents( 5329 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5330 int flags, int sourceUserId, boolean matchInCurrentProfile) { 5331 if (matchingFilters != null) { 5332 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 5333 // match the same intent. For performance reasons, it is better not to 5334 // run queryIntent twice for the same userId 5335 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 5336 int size = matchingFilters.size(); 5337 for (int i = 0; i < size; i++) { 5338 CrossProfileIntentFilter filter = matchingFilters.get(i); 5339 int targetUserId = filter.getTargetUserId(); 5340 boolean skipCurrentProfile = 5341 (filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0; 5342 boolean skipCurrentProfileIfNoMatchFound = 5343 (filter.getFlags() & PackageManager.ONLY_IF_NO_MATCH_FOUND) != 0; 5344 if (!skipCurrentProfile && !alreadyTriedUserIds.get(targetUserId) 5345 && (!skipCurrentProfileIfNoMatchFound || !matchInCurrentProfile)) { 5346 // Checking if there are activities in the target user that can handle the 5347 // intent. 5348 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5349 resolvedType, flags, sourceUserId); 5350 if (resolveInfo != null) return resolveInfo; 5351 alreadyTriedUserIds.put(targetUserId, true); 5352 } 5353 } 5354 } 5355 return null; 5356 } 5357 5358 /** 5359 * If the filter's target user can handle the intent and is enabled: returns a ResolveInfo that 5360 * will forward the intent to the filter's target user. 5361 * Otherwise, returns null. 5362 */ 5363 private ResolveInfo createForwardingResolveInfo(CrossProfileIntentFilter filter, Intent intent, 5364 String resolvedType, int flags, int sourceUserId) { 5365 int targetUserId = filter.getTargetUserId(); 5366 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5367 resolvedType, flags, targetUserId); 5368 if (resultTargetUser != null && isUserEnabled(targetUserId)) { 5369 // If all the matches in the target profile are suspended, return null. 5370 for (int i = resultTargetUser.size() - 1; i >= 0; i--) { 5371 if ((resultTargetUser.get(i).activityInfo.applicationInfo.flags 5372 & ApplicationInfo.FLAG_SUSPENDED) == 0) { 5373 return createForwardingResolveInfoUnchecked(filter, sourceUserId, 5374 targetUserId); 5375 } 5376 } 5377 } 5378 return null; 5379 } 5380 5381 private ResolveInfo createForwardingResolveInfoUnchecked(IntentFilter filter, 5382 int sourceUserId, int targetUserId) { 5383 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 5384 long ident = Binder.clearCallingIdentity(); 5385 boolean targetIsProfile; 5386 try { 5387 targetIsProfile = sUserManager.getUserInfo(targetUserId).isManagedProfile(); 5388 } finally { 5389 Binder.restoreCallingIdentity(ident); 5390 } 5391 String className; 5392 if (targetIsProfile) { 5393 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 5394 } else { 5395 className = FORWARD_INTENT_TO_PARENT; 5396 } 5397 ComponentName forwardingActivityComponentName = new ComponentName( 5398 mAndroidApplication.packageName, className); 5399 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 5400 sourceUserId); 5401 if (!targetIsProfile) { 5402 forwardingActivityInfo.showUserIcon = targetUserId; 5403 forwardingResolveInfo.noResourceId = true; 5404 } 5405 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 5406 forwardingResolveInfo.priority = 0; 5407 forwardingResolveInfo.preferredOrder = 0; 5408 forwardingResolveInfo.match = 0; 5409 forwardingResolveInfo.isDefault = true; 5410 forwardingResolveInfo.filter = filter; 5411 forwardingResolveInfo.targetUserId = targetUserId; 5412 return forwardingResolveInfo; 5413 } 5414 5415 @Override 5416 public List<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 5417 Intent[] specifics, String[] specificTypes, Intent intent, 5418 String resolvedType, int flags, int userId) { 5419 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5420 flags = updateFlagsForResolve(flags, userId, intent); 5421 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, 5422 false, "query intent activity options"); 5423 final String resultsAction = intent.getAction(); 5424 5425 List<ResolveInfo> results = queryIntentActivities(intent, resolvedType, flags 5426 | PackageManager.GET_RESOLVED_FILTER, userId); 5427 5428 if (DEBUG_INTENT_MATCHING) { 5429 Log.v(TAG, "Query " + intent + ": " + results); 5430 } 5431 5432 int specificsPos = 0; 5433 int N; 5434 5435 // todo: note that the algorithm used here is O(N^2). This 5436 // isn't a problem in our current environment, but if we start running 5437 // into situations where we have more than 5 or 10 matches then this 5438 // should probably be changed to something smarter... 5439 5440 // First we go through and resolve each of the specific items 5441 // that were supplied, taking care of removing any corresponding 5442 // duplicate items in the generic resolve list. 5443 if (specifics != null) { 5444 for (int i=0; i<specifics.length; i++) { 5445 final Intent sintent = specifics[i]; 5446 if (sintent == null) { 5447 continue; 5448 } 5449 5450 if (DEBUG_INTENT_MATCHING) { 5451 Log.v(TAG, "Specific #" + i + ": " + sintent); 5452 } 5453 5454 String action = sintent.getAction(); 5455 if (resultsAction != null && resultsAction.equals(action)) { 5456 // If this action was explicitly requested, then don't 5457 // remove things that have it. 5458 action = null; 5459 } 5460 5461 ResolveInfo ri = null; 5462 ActivityInfo ai = null; 5463 5464 ComponentName comp = sintent.getComponent(); 5465 if (comp == null) { 5466 ri = resolveIntent( 5467 sintent, 5468 specificTypes != null ? specificTypes[i] : null, 5469 flags, userId); 5470 if (ri == null) { 5471 continue; 5472 } 5473 if (ri == mResolveInfo) { 5474 // ACK! Must do something better with this. 5475 } 5476 ai = ri.activityInfo; 5477 comp = new ComponentName(ai.applicationInfo.packageName, 5478 ai.name); 5479 } else { 5480 ai = getActivityInfo(comp, flags, userId); 5481 if (ai == null) { 5482 continue; 5483 } 5484 } 5485 5486 // Look for any generic query activities that are duplicates 5487 // of this specific one, and remove them from the results. 5488 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 5489 N = results.size(); 5490 int j; 5491 for (j=specificsPos; j<N; j++) { 5492 ResolveInfo sri = results.get(j); 5493 if ((sri.activityInfo.name.equals(comp.getClassName()) 5494 && sri.activityInfo.applicationInfo.packageName.equals( 5495 comp.getPackageName())) 5496 || (action != null && sri.filter.matchAction(action))) { 5497 results.remove(j); 5498 if (DEBUG_INTENT_MATCHING) Log.v( 5499 TAG, "Removing duplicate item from " + j 5500 + " due to specific " + specificsPos); 5501 if (ri == null) { 5502 ri = sri; 5503 } 5504 j--; 5505 N--; 5506 } 5507 } 5508 5509 // Add this specific item to its proper place. 5510 if (ri == null) { 5511 ri = new ResolveInfo(); 5512 ri.activityInfo = ai; 5513 } 5514 results.add(specificsPos, ri); 5515 ri.specificIndex = i; 5516 specificsPos++; 5517 } 5518 } 5519 5520 // Now we go through the remaining generic results and remove any 5521 // duplicate actions that are found here. 5522 N = results.size(); 5523 for (int i=specificsPos; i<N-1; i++) { 5524 final ResolveInfo rii = results.get(i); 5525 if (rii.filter == null) { 5526 continue; 5527 } 5528 5529 // Iterate over all of the actions of this result's intent 5530 // filter... typically this should be just one. 5531 final Iterator<String> it = rii.filter.actionsIterator(); 5532 if (it == null) { 5533 continue; 5534 } 5535 while (it.hasNext()) { 5536 final String action = it.next(); 5537 if (resultsAction != null && resultsAction.equals(action)) { 5538 // If this action was explicitly requested, then don't 5539 // remove things that have it. 5540 continue; 5541 } 5542 for (int j=i+1; j<N; j++) { 5543 final ResolveInfo rij = results.get(j); 5544 if (rij.filter != null && rij.filter.hasAction(action)) { 5545 results.remove(j); 5546 if (DEBUG_INTENT_MATCHING) Log.v( 5547 TAG, "Removing duplicate item from " + j 5548 + " due to action " + action + " at " + i); 5549 j--; 5550 N--; 5551 } 5552 } 5553 } 5554 5555 // If the caller didn't request filter information, drop it now 5556 // so we don't have to marshall/unmarshall it. 5557 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 5558 rii.filter = null; 5559 } 5560 } 5561 5562 // Filter out the caller activity if so requested. 5563 if (caller != null) { 5564 N = results.size(); 5565 for (int i=0; i<N; i++) { 5566 ActivityInfo ainfo = results.get(i).activityInfo; 5567 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 5568 && caller.getClassName().equals(ainfo.name)) { 5569 results.remove(i); 5570 break; 5571 } 5572 } 5573 } 5574 5575 // If the caller didn't request filter information, 5576 // drop them now so we don't have to 5577 // marshall/unmarshall it. 5578 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 5579 N = results.size(); 5580 for (int i=0; i<N; i++) { 5581 results.get(i).filter = null; 5582 } 5583 } 5584 5585 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 5586 return results; 5587 } 5588 5589 @Override 5590 public List<ResolveInfo> queryIntentReceivers(Intent intent, String resolvedType, int flags, 5591 int userId) { 5592 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5593 flags = updateFlagsForResolve(flags, userId, intent); 5594 ComponentName comp = intent.getComponent(); 5595 if (comp == null) { 5596 if (intent.getSelector() != null) { 5597 intent = intent.getSelector(); 5598 comp = intent.getComponent(); 5599 } 5600 } 5601 if (comp != null) { 5602 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5603 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 5604 if (ai != null) { 5605 ResolveInfo ri = new ResolveInfo(); 5606 ri.activityInfo = ai; 5607 list.add(ri); 5608 } 5609 return list; 5610 } 5611 5612 // reader 5613 synchronized (mPackages) { 5614 String pkgName = intent.getPackage(); 5615 if (pkgName == null) { 5616 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 5617 } 5618 final PackageParser.Package pkg = mPackages.get(pkgName); 5619 if (pkg != null) { 5620 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 5621 userId); 5622 } 5623 return null; 5624 } 5625 } 5626 5627 @Override 5628 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 5629 if (!sUserManager.exists(userId)) return null; 5630 flags = updateFlagsForResolve(flags, userId, intent); 5631 List<ResolveInfo> query = queryIntentServices(intent, resolvedType, flags, userId); 5632 if (query != null) { 5633 if (query.size() >= 1) { 5634 // If there is more than one service with the same priority, 5635 // just arbitrarily pick the first one. 5636 return query.get(0); 5637 } 5638 } 5639 return null; 5640 } 5641 5642 @Override 5643 public List<ResolveInfo> queryIntentServices(Intent intent, String resolvedType, int flags, 5644 int userId) { 5645 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5646 flags = updateFlagsForResolve(flags, userId, intent); 5647 ComponentName comp = intent.getComponent(); 5648 if (comp == null) { 5649 if (intent.getSelector() != null) { 5650 intent = intent.getSelector(); 5651 comp = intent.getComponent(); 5652 } 5653 } 5654 if (comp != null) { 5655 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5656 final ServiceInfo si = getServiceInfo(comp, flags, userId); 5657 if (si != null) { 5658 final ResolveInfo ri = new ResolveInfo(); 5659 ri.serviceInfo = si; 5660 list.add(ri); 5661 } 5662 return list; 5663 } 5664 5665 // reader 5666 synchronized (mPackages) { 5667 String pkgName = intent.getPackage(); 5668 if (pkgName == null) { 5669 return mServices.queryIntent(intent, resolvedType, flags, userId); 5670 } 5671 final PackageParser.Package pkg = mPackages.get(pkgName); 5672 if (pkg != null) { 5673 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 5674 userId); 5675 } 5676 return null; 5677 } 5678 } 5679 5680 @Override 5681 public List<ResolveInfo> queryIntentContentProviders( 5682 Intent intent, String resolvedType, int flags, int userId) { 5683 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5684 flags = updateFlagsForResolve(flags, userId, intent); 5685 ComponentName comp = intent.getComponent(); 5686 if (comp == null) { 5687 if (intent.getSelector() != null) { 5688 intent = intent.getSelector(); 5689 comp = intent.getComponent(); 5690 } 5691 } 5692 if (comp != null) { 5693 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5694 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 5695 if (pi != null) { 5696 final ResolveInfo ri = new ResolveInfo(); 5697 ri.providerInfo = pi; 5698 list.add(ri); 5699 } 5700 return list; 5701 } 5702 5703 // reader 5704 synchronized (mPackages) { 5705 String pkgName = intent.getPackage(); 5706 if (pkgName == null) { 5707 return mProviders.queryIntent(intent, resolvedType, flags, userId); 5708 } 5709 final PackageParser.Package pkg = mPackages.get(pkgName); 5710 if (pkg != null) { 5711 return mProviders.queryIntentForPackage( 5712 intent, resolvedType, flags, pkg.providers, userId); 5713 } 5714 return null; 5715 } 5716 } 5717 5718 @Override 5719 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 5720 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 5721 flags = updateFlagsForPackage(flags, userId, null); 5722 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 5723 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, "get installed packages"); 5724 5725 // writer 5726 synchronized (mPackages) { 5727 ArrayList<PackageInfo> list; 5728 if (listUninstalled) { 5729 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 5730 for (PackageSetting ps : mSettings.mPackages.values()) { 5731 PackageInfo pi; 5732 if (ps.pkg != null) { 5733 pi = generatePackageInfo(ps.pkg, flags, userId); 5734 } else { 5735 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 5736 } 5737 if (pi != null) { 5738 list.add(pi); 5739 } 5740 } 5741 } else { 5742 list = new ArrayList<PackageInfo>(mPackages.size()); 5743 for (PackageParser.Package p : mPackages.values()) { 5744 PackageInfo pi = generatePackageInfo(p, flags, userId); 5745 if (pi != null) { 5746 list.add(pi); 5747 } 5748 } 5749 } 5750 5751 return new ParceledListSlice<PackageInfo>(list); 5752 } 5753 } 5754 5755 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 5756 String[] permissions, boolean[] tmp, int flags, int userId) { 5757 int numMatch = 0; 5758 final PermissionsState permissionsState = ps.getPermissionsState(); 5759 for (int i=0; i<permissions.length; i++) { 5760 final String permission = permissions[i]; 5761 if (permissionsState.hasPermission(permission, userId)) { 5762 tmp[i] = true; 5763 numMatch++; 5764 } else { 5765 tmp[i] = false; 5766 } 5767 } 5768 if (numMatch == 0) { 5769 return; 5770 } 5771 PackageInfo pi; 5772 if (ps.pkg != null) { 5773 pi = generatePackageInfo(ps.pkg, flags, userId); 5774 } else { 5775 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 5776 } 5777 // The above might return null in cases of uninstalled apps or install-state 5778 // skew across users/profiles. 5779 if (pi != null) { 5780 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 5781 if (numMatch == permissions.length) { 5782 pi.requestedPermissions = permissions; 5783 } else { 5784 pi.requestedPermissions = new String[numMatch]; 5785 numMatch = 0; 5786 for (int i=0; i<permissions.length; i++) { 5787 if (tmp[i]) { 5788 pi.requestedPermissions[numMatch] = permissions[i]; 5789 numMatch++; 5790 } 5791 } 5792 } 5793 } 5794 list.add(pi); 5795 } 5796 } 5797 5798 @Override 5799 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 5800 String[] permissions, int flags, int userId) { 5801 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 5802 flags = updateFlagsForPackage(flags, userId, permissions); 5803 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 5804 5805 // writer 5806 synchronized (mPackages) { 5807 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 5808 boolean[] tmpBools = new boolean[permissions.length]; 5809 if (listUninstalled) { 5810 for (PackageSetting ps : mSettings.mPackages.values()) { 5811 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 5812 } 5813 } else { 5814 for (PackageParser.Package pkg : mPackages.values()) { 5815 PackageSetting ps = (PackageSetting)pkg.mExtras; 5816 if (ps != null) { 5817 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 5818 userId); 5819 } 5820 } 5821 } 5822 5823 return new ParceledListSlice<PackageInfo>(list); 5824 } 5825 } 5826 5827 @Override 5828 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 5829 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 5830 flags = updateFlagsForApplication(flags, userId, null); 5831 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 5832 5833 // writer 5834 synchronized (mPackages) { 5835 ArrayList<ApplicationInfo> list; 5836 if (listUninstalled) { 5837 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 5838 for (PackageSetting ps : mSettings.mPackages.values()) { 5839 ApplicationInfo ai; 5840 if (ps.pkg != null) { 5841 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 5842 ps.readUserState(userId), userId); 5843 } else { 5844 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 5845 } 5846 if (ai != null) { 5847 list.add(ai); 5848 } 5849 } 5850 } else { 5851 list = new ArrayList<ApplicationInfo>(mPackages.size()); 5852 for (PackageParser.Package p : mPackages.values()) { 5853 if (p.mExtras != null) { 5854 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 5855 ((PackageSetting)p.mExtras).readUserState(userId), userId); 5856 if (ai != null) { 5857 list.add(ai); 5858 } 5859 } 5860 } 5861 } 5862 5863 return new ParceledListSlice<ApplicationInfo>(list); 5864 } 5865 } 5866 5867 @Override 5868 public ParceledListSlice<EphemeralApplicationInfo> getEphemeralApplications(int userId) { 5869 if (DISABLE_EPHEMERAL_APPS) { 5870 return null; 5871 } 5872 5873 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 5874 "getEphemeralApplications"); 5875 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 5876 "getEphemeralApplications"); 5877 synchronized (mPackages) { 5878 List<EphemeralApplicationInfo> ephemeralApps = mEphemeralApplicationRegistry 5879 .getEphemeralApplicationsLPw(userId); 5880 if (ephemeralApps != null) { 5881 return new ParceledListSlice<>(ephemeralApps); 5882 } 5883 } 5884 return null; 5885 } 5886 5887 @Override 5888 public boolean isEphemeralApplication(String packageName, int userId) { 5889 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 5890 "isEphemeral"); 5891 if (DISABLE_EPHEMERAL_APPS) { 5892 return false; 5893 } 5894 5895 if (!isCallerSameApp(packageName)) { 5896 return false; 5897 } 5898 synchronized (mPackages) { 5899 PackageParser.Package pkg = mPackages.get(packageName); 5900 if (pkg != null) { 5901 return pkg.applicationInfo.isEphemeralApp(); 5902 } 5903 } 5904 return false; 5905 } 5906 5907 @Override 5908 public byte[] getEphemeralApplicationCookie(String packageName, int userId) { 5909 if (DISABLE_EPHEMERAL_APPS) { 5910 return null; 5911 } 5912 5913 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 5914 "getCookie"); 5915 if (!isCallerSameApp(packageName)) { 5916 return null; 5917 } 5918 synchronized (mPackages) { 5919 return mEphemeralApplicationRegistry.getEphemeralApplicationCookieLPw( 5920 packageName, userId); 5921 } 5922 } 5923 5924 @Override 5925 public boolean setEphemeralApplicationCookie(String packageName, byte[] cookie, int userId) { 5926 if (DISABLE_EPHEMERAL_APPS) { 5927 return true; 5928 } 5929 5930 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 5931 "setCookie"); 5932 if (!isCallerSameApp(packageName)) { 5933 return false; 5934 } 5935 synchronized (mPackages) { 5936 return mEphemeralApplicationRegistry.setEphemeralApplicationCookieLPw( 5937 packageName, cookie, userId); 5938 } 5939 } 5940 5941 @Override 5942 public Bitmap getEphemeralApplicationIcon(String packageName, int userId) { 5943 if (DISABLE_EPHEMERAL_APPS) { 5944 return null; 5945 } 5946 5947 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 5948 "getEphemeralApplicationIcon"); 5949 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 5950 "getEphemeralApplicationIcon"); 5951 synchronized (mPackages) { 5952 return mEphemeralApplicationRegistry.getEphemeralApplicationIconLPw( 5953 packageName, userId); 5954 } 5955 } 5956 5957 private boolean isCallerSameApp(String packageName) { 5958 PackageParser.Package pkg = mPackages.get(packageName); 5959 return pkg != null 5960 && UserHandle.getAppId(Binder.getCallingUid()) == pkg.applicationInfo.uid; 5961 } 5962 5963 public List<ApplicationInfo> getPersistentApplications(int flags) { 5964 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 5965 5966 // reader 5967 synchronized (mPackages) { 5968 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 5969 final int userId = UserHandle.getCallingUserId(); 5970 while (i.hasNext()) { 5971 final PackageParser.Package p = i.next(); 5972 if (p.applicationInfo != null 5973 && (p.applicationInfo.flags&ApplicationInfo.FLAG_PERSISTENT) != 0 5974 && (!mSafeMode || isSystemApp(p))) { 5975 PackageSetting ps = mSettings.mPackages.get(p.packageName); 5976 if (ps != null) { 5977 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 5978 ps.readUserState(userId), userId); 5979 if (ai != null) { 5980 finalList.add(ai); 5981 } 5982 } 5983 } 5984 } 5985 } 5986 5987 return finalList; 5988 } 5989 5990 @Override 5991 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 5992 if (!sUserManager.exists(userId)) return null; 5993 flags = updateFlagsForComponent(flags, userId, name); 5994 // reader 5995 synchronized (mPackages) { 5996 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 5997 PackageSetting ps = provider != null 5998 ? mSettings.mPackages.get(provider.owner.packageName) 5999 : null; 6000 return ps != null 6001 && mSettings.isEnabledAndMatchLPr(provider.info, flags, userId) 6002 ? PackageParser.generateProviderInfo(provider, flags, 6003 ps.readUserState(userId), userId) 6004 : null; 6005 } 6006 } 6007 6008 /** 6009 * @deprecated 6010 */ 6011 @Deprecated 6012 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 6013 // reader 6014 synchronized (mPackages) { 6015 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 6016 .entrySet().iterator(); 6017 final int userId = UserHandle.getCallingUserId(); 6018 while (i.hasNext()) { 6019 Map.Entry<String, PackageParser.Provider> entry = i.next(); 6020 PackageParser.Provider p = entry.getValue(); 6021 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6022 6023 if (ps != null && p.syncable 6024 && (!mSafeMode || (p.info.applicationInfo.flags 6025 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 6026 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 6027 ps.readUserState(userId), userId); 6028 if (info != null) { 6029 outNames.add(entry.getKey()); 6030 outInfo.add(info); 6031 } 6032 } 6033 } 6034 } 6035 } 6036 6037 @Override 6038 public ParceledListSlice<ProviderInfo> queryContentProviders(String processName, 6039 int uid, int flags) { 6040 final int userId = processName != null ? UserHandle.getUserId(uid) 6041 : UserHandle.getCallingUserId(); 6042 if (!sUserManager.exists(userId)) return null; 6043 flags = updateFlagsForComponent(flags, userId, processName); 6044 6045 ArrayList<ProviderInfo> finalList = null; 6046 // reader 6047 synchronized (mPackages) { 6048 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 6049 while (i.hasNext()) { 6050 final PackageParser.Provider p = i.next(); 6051 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6052 if (ps != null && p.info.authority != null 6053 && (processName == null 6054 || (p.info.processName.equals(processName) 6055 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 6056 && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 6057 if (finalList == null) { 6058 finalList = new ArrayList<ProviderInfo>(3); 6059 } 6060 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 6061 ps.readUserState(userId), userId); 6062 if (info != null) { 6063 finalList.add(info); 6064 } 6065 } 6066 } 6067 } 6068 6069 if (finalList != null) { 6070 Collections.sort(finalList, mProviderInitOrderSorter); 6071 return new ParceledListSlice<ProviderInfo>(finalList); 6072 } 6073 6074 return null; 6075 } 6076 6077 @Override 6078 public InstrumentationInfo getInstrumentationInfo(ComponentName name, int flags) { 6079 // reader 6080 synchronized (mPackages) { 6081 final PackageParser.Instrumentation i = mInstrumentation.get(name); 6082 return PackageParser.generateInstrumentationInfo(i, flags); 6083 } 6084 } 6085 6086 @Override 6087 public List<InstrumentationInfo> queryInstrumentation(String targetPackage, 6088 int flags) { 6089 ArrayList<InstrumentationInfo> finalList = 6090 new ArrayList<InstrumentationInfo>(); 6091 6092 // reader 6093 synchronized (mPackages) { 6094 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 6095 while (i.hasNext()) { 6096 final PackageParser.Instrumentation p = i.next(); 6097 if (targetPackage == null 6098 || targetPackage.equals(p.info.targetPackage)) { 6099 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 6100 flags); 6101 if (ii != null) { 6102 finalList.add(ii); 6103 } 6104 } 6105 } 6106 } 6107 6108 return finalList; 6109 } 6110 6111 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 6112 ArrayMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 6113 if (overlays == null) { 6114 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 6115 return; 6116 } 6117 for (PackageParser.Package opkg : overlays.values()) { 6118 // Not much to do if idmap fails: we already logged the error 6119 // and we certainly don't want to abort installation of pkg simply 6120 // because an overlay didn't fit properly. For these reasons, 6121 // ignore the return value of createIdmapForPackagePairLI. 6122 createIdmapForPackagePairLI(pkg, opkg); 6123 } 6124 } 6125 6126 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 6127 PackageParser.Package opkg) { 6128 if (!opkg.mTrustedOverlay) { 6129 Slog.w(TAG, "Skipping target and overlay pair " + pkg.baseCodePath + " and " + 6130 opkg.baseCodePath + ": overlay not trusted"); 6131 return false; 6132 } 6133 ArrayMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 6134 if (overlaySet == null) { 6135 Slog.e(TAG, "was about to create idmap for " + pkg.baseCodePath + " and " + 6136 opkg.baseCodePath + " but target package has no known overlays"); 6137 return false; 6138 } 6139 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 6140 // TODO: generate idmap for split APKs 6141 try { 6142 mInstaller.idmap(pkg.baseCodePath, opkg.baseCodePath, sharedGid); 6143 } catch (InstallerException e) { 6144 Slog.e(TAG, "Failed to generate idmap for " + pkg.baseCodePath + " and " 6145 + opkg.baseCodePath); 6146 return false; 6147 } 6148 PackageParser.Package[] overlayArray = 6149 overlaySet.values().toArray(new PackageParser.Package[0]); 6150 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 6151 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 6152 return p1.mOverlayPriority - p2.mOverlayPriority; 6153 } 6154 }; 6155 Arrays.sort(overlayArray, cmp); 6156 6157 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 6158 int i = 0; 6159 for (PackageParser.Package p : overlayArray) { 6160 pkg.applicationInfo.resourceDirs[i++] = p.baseCodePath; 6161 } 6162 return true; 6163 } 6164 6165 private void scanDirTracedLI(File dir, int parseFlags, int scanFlags, long currentTime) { 6166 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanDir"); 6167 try { 6168 scanDirLI(dir, parseFlags, scanFlags, currentTime); 6169 } finally { 6170 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6171 } 6172 } 6173 6174 private void scanDirLI(File dir, int parseFlags, int scanFlags, long currentTime) { 6175 final File[] files = dir.listFiles(); 6176 if (ArrayUtils.isEmpty(files)) { 6177 Log.d(TAG, "No files in app dir " + dir); 6178 return; 6179 } 6180 6181 if (DEBUG_PACKAGE_SCANNING) { 6182 Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags 6183 + " flags=0x" + Integer.toHexString(parseFlags)); 6184 } 6185 6186 for (File file : files) { 6187 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 6188 && !PackageInstallerService.isStageName(file.getName()); 6189 if (!isPackage) { 6190 // Ignore entries which are not packages 6191 continue; 6192 } 6193 try { 6194 scanPackageTracedLI(file, parseFlags | PackageParser.PARSE_MUST_BE_APK, 6195 scanFlags, currentTime, null); 6196 } catch (PackageManagerException e) { 6197 Slog.w(TAG, "Failed to parse " + file + ": " + e.getMessage()); 6198 6199 // Delete invalid userdata apps 6200 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 && 6201 e.error == PackageManager.INSTALL_FAILED_INVALID_APK) { 6202 logCriticalInfo(Log.WARN, "Deleting invalid package at " + file); 6203 removeCodePathLI(file); 6204 } 6205 } 6206 } 6207 } 6208 6209 private static File getSettingsProblemFile() { 6210 File dataDir = Environment.getDataDirectory(); 6211 File systemDir = new File(dataDir, "system"); 6212 File fname = new File(systemDir, "uiderrors.txt"); 6213 return fname; 6214 } 6215 6216 static void reportSettingsProblem(int priority, String msg) { 6217 logCriticalInfo(priority, msg); 6218 } 6219 6220 static void logCriticalInfo(int priority, String msg) { 6221 Slog.println(priority, TAG, msg); 6222 EventLogTags.writePmCriticalInfo(msg); 6223 try { 6224 File fname = getSettingsProblemFile(); 6225 FileOutputStream out = new FileOutputStream(fname, true); 6226 PrintWriter pw = new FastPrintWriter(out); 6227 SimpleDateFormat formatter = new SimpleDateFormat(); 6228 String dateString = formatter.format(new Date(System.currentTimeMillis())); 6229 pw.println(dateString + ": " + msg); 6230 pw.close(); 6231 FileUtils.setPermissions( 6232 fname.toString(), 6233 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 6234 -1, -1); 6235 } catch (java.io.IOException e) { 6236 } 6237 } 6238 6239 private void collectCertificatesLI(PackageParser pp, PackageSetting ps, 6240 PackageParser.Package pkg, File srcFile, int parseFlags) 6241 throws PackageManagerException { 6242 if (ps != null 6243 && ps.codePath.equals(srcFile) 6244 && ps.timeStamp == srcFile.lastModified() 6245 && !isCompatSignatureUpdateNeeded(pkg) 6246 && !isRecoverSignatureUpdateNeeded(pkg)) { 6247 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 6248 KeySetManagerService ksms = mSettings.mKeySetManagerService; 6249 ArraySet<PublicKey> signingKs; 6250 synchronized (mPackages) { 6251 signingKs = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId); 6252 } 6253 if (ps.signatures.mSignatures != null 6254 && ps.signatures.mSignatures.length != 0 6255 && signingKs != null) { 6256 // Optimization: reuse the existing cached certificates 6257 // if the package appears to be unchanged. 6258 pkg.mSignatures = ps.signatures.mSignatures; 6259 pkg.mSigningKeys = signingKs; 6260 return; 6261 } 6262 6263 Slog.w(TAG, "PackageSetting for " + ps.name 6264 + " is missing signatures. Collecting certs again to recover them."); 6265 } else { 6266 Log.i(TAG, srcFile.toString() + " changed; collecting certs"); 6267 } 6268 6269 try { 6270 pp.collectCertificates(pkg, parseFlags); 6271 } catch (PackageParserException e) { 6272 throw PackageManagerException.from(e); 6273 } 6274 } 6275 6276 /** 6277 * Traces a package scan. 6278 * @see #scanPackageLI(File, int, int, long, UserHandle) 6279 */ 6280 private PackageParser.Package scanPackageTracedLI(File scanFile, int parseFlags, int scanFlags, 6281 long currentTime, UserHandle user) throws PackageManagerException { 6282 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 6283 try { 6284 return scanPackageLI(scanFile, parseFlags, scanFlags, currentTime, user); 6285 } finally { 6286 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6287 } 6288 } 6289 6290 /** 6291 * Scans a package and returns the newly parsed package. 6292 * Returns {@code null} in case of errors and the error code is stored in mLastScanError 6293 */ 6294 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags, 6295 long currentTime, UserHandle user) throws PackageManagerException { 6296 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 6297 parseFlags |= mDefParseFlags; 6298 PackageParser pp = new PackageParser(); 6299 pp.setSeparateProcesses(mSeparateProcesses); 6300 pp.setOnlyCoreApps(mOnlyCore); 6301 pp.setDisplayMetrics(mMetrics); 6302 6303 if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) { 6304 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 6305 } 6306 6307 final PackageParser.Package pkg; 6308 try { 6309 pkg = pp.parsePackage(scanFile, parseFlags); 6310 } catch (PackageParserException e) { 6311 throw PackageManagerException.from(e); 6312 } 6313 6314 PackageSetting ps = null; 6315 PackageSetting updatedPkg; 6316 // reader 6317 synchronized (mPackages) { 6318 // Look to see if we already know about this package. 6319 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 6320 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 6321 // This package has been renamed to its original name. Let's 6322 // use that. 6323 ps = mSettings.peekPackageLPr(oldName); 6324 } 6325 // If there was no original package, see one for the real package name. 6326 if (ps == null) { 6327 ps = mSettings.peekPackageLPr(pkg.packageName); 6328 } 6329 // Check to see if this package could be hiding/updating a system 6330 // package. Must look for it either under the original or real 6331 // package name depending on our state. 6332 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 6333 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 6334 } 6335 boolean updatedPkgBetter = false; 6336 // First check if this is a system package that may involve an update 6337 if (updatedPkg != null && (parseFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6338 // If new package is not located in "/system/priv-app" (e.g. due to an OTA), 6339 // it needs to drop FLAG_PRIVILEGED. 6340 if (locationIsPrivileged(scanFile)) { 6341 updatedPkg.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6342 } else { 6343 updatedPkg.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6344 } 6345 6346 if (ps != null && !ps.codePath.equals(scanFile)) { 6347 // The path has changed from what was last scanned... check the 6348 // version of the new path against what we have stored to determine 6349 // what to do. 6350 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 6351 if (pkg.mVersionCode <= ps.versionCode) { 6352 // The system package has been updated and the code path does not match 6353 // Ignore entry. Skip it. 6354 if (DEBUG_INSTALL) Slog.i(TAG, "Package " + ps.name + " at " + scanFile 6355 + " ignored: updated version " + ps.versionCode 6356 + " better than this " + pkg.mVersionCode); 6357 if (!updatedPkg.codePath.equals(scanFile)) { 6358 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg " 6359 + ps.name + " changing from " + updatedPkg.codePathString 6360 + " to " + scanFile); 6361 updatedPkg.codePath = scanFile; 6362 updatedPkg.codePathString = scanFile.toString(); 6363 updatedPkg.resourcePath = scanFile; 6364 updatedPkg.resourcePathString = scanFile.toString(); 6365 } 6366 updatedPkg.pkg = pkg; 6367 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 6368 "Package " + ps.name + " at " + scanFile 6369 + " ignored: updated version " + ps.versionCode 6370 + " better than this " + pkg.mVersionCode); 6371 } else { 6372 // The current app on the system partition is better than 6373 // what we have updated to on the data partition; switch 6374 // back to the system partition version. 6375 // At this point, its safely assumed that package installation for 6376 // apps in system partition will go through. If not there won't be a working 6377 // version of the app 6378 // writer 6379 synchronized (mPackages) { 6380 // Just remove the loaded entries from package lists. 6381 mPackages.remove(ps.name); 6382 } 6383 6384 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 6385 + " reverting from " + ps.codePathString 6386 + ": new version " + pkg.mVersionCode 6387 + " better than installed " + ps.versionCode); 6388 6389 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 6390 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 6391 synchronized (mInstallLock) { 6392 args.cleanUpResourcesLI(); 6393 } 6394 synchronized (mPackages) { 6395 mSettings.enableSystemPackageLPw(ps.name); 6396 } 6397 updatedPkgBetter = true; 6398 } 6399 } 6400 } 6401 6402 if (updatedPkg != null) { 6403 // An updated system app will not have the PARSE_IS_SYSTEM flag set 6404 // initially 6405 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 6406 6407 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 6408 // flag set initially 6409 if ((updatedPkg.pkgPrivateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0) { 6410 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 6411 } 6412 } 6413 6414 // Verify certificates against what was last scanned 6415 collectCertificatesLI(pp, ps, pkg, scanFile, parseFlags); 6416 6417 /* 6418 * A new system app appeared, but we already had a non-system one of the 6419 * same name installed earlier. 6420 */ 6421 boolean shouldHideSystemApp = false; 6422 if (updatedPkg == null && ps != null 6423 && (parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 6424 /* 6425 * Check to make sure the signatures match first. If they don't, 6426 * wipe the installed application and its data. 6427 */ 6428 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 6429 != PackageManager.SIGNATURE_MATCH) { 6430 logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but" 6431 + " signatures don't match existing userdata copy; removing"); 6432 deletePackageLI(pkg.packageName, null, true, null, null, 0, null, false); 6433 ps = null; 6434 } else { 6435 /* 6436 * If the newly-added system app is an older version than the 6437 * already installed version, hide it. It will be scanned later 6438 * and re-added like an update. 6439 */ 6440 if (pkg.mVersionCode <= ps.versionCode) { 6441 shouldHideSystemApp = true; 6442 logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile 6443 + " but new version " + pkg.mVersionCode + " better than installed " 6444 + ps.versionCode + "; hiding system"); 6445 } else { 6446 /* 6447 * The newly found system app is a newer version that the 6448 * one previously installed. Simply remove the 6449 * already-installed application and replace it with our own 6450 * while keeping the application data. 6451 */ 6452 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 6453 + " reverting from " + ps.codePathString + ": new version " 6454 + pkg.mVersionCode + " better than installed " + ps.versionCode); 6455 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 6456 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 6457 synchronized (mInstallLock) { 6458 args.cleanUpResourcesLI(); 6459 } 6460 } 6461 } 6462 } 6463 6464 // The apk is forward locked (not public) if its code and resources 6465 // are kept in different files. (except for app in either system or 6466 // vendor path). 6467 // TODO grab this value from PackageSettings 6468 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 6469 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 6470 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 6471 } 6472 } 6473 6474 // TODO: extend to support forward-locked splits 6475 String resourcePath = null; 6476 String baseResourcePath = null; 6477 if ((parseFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 6478 if (ps != null && ps.resourcePathString != null) { 6479 resourcePath = ps.resourcePathString; 6480 baseResourcePath = ps.resourcePathString; 6481 } else { 6482 // Should not happen at all. Just log an error. 6483 Slog.e(TAG, "Resource path not set for package " + pkg.packageName); 6484 } 6485 } else { 6486 resourcePath = pkg.codePath; 6487 baseResourcePath = pkg.baseCodePath; 6488 } 6489 6490 // Set application objects path explicitly. 6491 pkg.applicationInfo.volumeUuid = pkg.volumeUuid; 6492 pkg.applicationInfo.setCodePath(pkg.codePath); 6493 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 6494 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 6495 pkg.applicationInfo.setResourcePath(resourcePath); 6496 pkg.applicationInfo.setBaseResourcePath(baseResourcePath); 6497 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 6498 6499 // Note that we invoke the following method only if we are about to unpack an application 6500 PackageParser.Package scannedPkg = scanPackageLI(pkg, parseFlags, scanFlags 6501 | SCAN_UPDATE_SIGNATURE, currentTime, user); 6502 6503 /* 6504 * If the system app should be overridden by a previously installed 6505 * data, hide the system app now and let the /data/app scan pick it up 6506 * again. 6507 */ 6508 if (shouldHideSystemApp) { 6509 synchronized (mPackages) { 6510 mSettings.disableSystemPackageLPw(pkg.packageName); 6511 } 6512 } 6513 6514 return scannedPkg; 6515 } 6516 6517 private static String fixProcessName(String defProcessName, 6518 String processName, int uid) { 6519 if (processName == null) { 6520 return defProcessName; 6521 } 6522 return processName; 6523 } 6524 6525 private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) 6526 throws PackageManagerException { 6527 if (pkgSetting.signatures.mSignatures != null) { 6528 // Already existing package. Make sure signatures match 6529 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 6530 == PackageManager.SIGNATURE_MATCH; 6531 if (!match) { 6532 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 6533 == PackageManager.SIGNATURE_MATCH; 6534 } 6535 if (!match) { 6536 match = compareSignaturesRecover(pkgSetting.signatures, pkg) 6537 == PackageManager.SIGNATURE_MATCH; 6538 } 6539 if (!match) { 6540 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 6541 + pkg.packageName + " signatures do not match the " 6542 + "previously installed version; ignoring!"); 6543 } 6544 } 6545 6546 // Check for shared user signatures 6547 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 6548 // Already existing package. Make sure signatures match 6549 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 6550 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 6551 if (!match) { 6552 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 6553 == PackageManager.SIGNATURE_MATCH; 6554 } 6555 if (!match) { 6556 match = compareSignaturesRecover(pkgSetting.sharedUser.signatures, pkg) 6557 == PackageManager.SIGNATURE_MATCH; 6558 } 6559 if (!match) { 6560 throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 6561 "Package " + pkg.packageName 6562 + " has no signatures that match those in shared user " 6563 + pkgSetting.sharedUser.name + "; ignoring!"); 6564 } 6565 } 6566 } 6567 6568 /** 6569 * Enforces that only the system UID or root's UID can call a method exposed 6570 * via Binder. 6571 * 6572 * @param message used as message if SecurityException is thrown 6573 * @throws SecurityException if the caller is not system or root 6574 */ 6575 private static final void enforceSystemOrRoot(String message) { 6576 final int uid = Binder.getCallingUid(); 6577 if (uid != Process.SYSTEM_UID && uid != 0) { 6578 throw new SecurityException(message); 6579 } 6580 } 6581 6582 @Override 6583 public void performFstrimIfNeeded() { 6584 enforceSystemOrRoot("Only the system can request fstrim"); 6585 6586 // Before everything else, see whether we need to fstrim. 6587 try { 6588 IMountService ms = PackageHelper.getMountService(); 6589 if (ms != null) { 6590 final boolean isUpgrade = isUpgrade(); 6591 boolean doTrim = isUpgrade; 6592 if (doTrim) { 6593 Slog.w(TAG, "Running disk maintenance immediately due to system update"); 6594 } else { 6595 final long interval = android.provider.Settings.Global.getLong( 6596 mContext.getContentResolver(), 6597 android.provider.Settings.Global.FSTRIM_MANDATORY_INTERVAL, 6598 DEFAULT_MANDATORY_FSTRIM_INTERVAL); 6599 if (interval > 0) { 6600 final long timeSinceLast = System.currentTimeMillis() - ms.lastMaintenance(); 6601 if (timeSinceLast > interval) { 6602 doTrim = true; 6603 Slog.w(TAG, "No disk maintenance in " + timeSinceLast 6604 + "; running immediately"); 6605 } 6606 } 6607 } 6608 if (doTrim) { 6609 if (!isFirstBoot()) { 6610 try { 6611 ActivityManagerNative.getDefault().showBootMessage( 6612 mContext.getResources().getString( 6613 R.string.android_upgrading_fstrim), true); 6614 } catch (RemoteException e) { 6615 } 6616 } 6617 ms.runMaintenance(); 6618 } 6619 } else { 6620 Slog.e(TAG, "Mount service unavailable!"); 6621 } 6622 } catch (RemoteException e) { 6623 // Can't happen; MountService is local 6624 } 6625 } 6626 6627 @Override 6628 public void extractPackagesIfNeeded() { 6629 enforceSystemOrRoot("Only the system can request package extraction"); 6630 6631 // Extract pacakges only if profile-guided compilation is enabled because 6632 // otherwise BackgroundDexOptService will not dexopt them later. 6633 if (mUseJitProfiles) { 6634 ArraySet<String> pkgs = getOptimizablePackages(); 6635 if (pkgs != null) { 6636 for (String pkg : pkgs) { 6637 performDexOpt(pkg, null /* instructionSet */, false /* useProfiles */, 6638 true /* extractOnly */, false /* force */); 6639 } 6640 } 6641 } 6642 } 6643 6644 private ArraySet<String> getPackageNamesForIntent(Intent intent, int userId) { 6645 List<ResolveInfo> ris = null; 6646 try { 6647 ris = AppGlobals.getPackageManager().queryIntentReceivers( 6648 intent, null, 0, userId); 6649 } catch (RemoteException e) { 6650 } 6651 ArraySet<String> pkgNames = new ArraySet<String>(); 6652 if (ris != null) { 6653 for (ResolveInfo ri : ris) { 6654 pkgNames.add(ri.activityInfo.packageName); 6655 } 6656 } 6657 return pkgNames; 6658 } 6659 6660 @Override 6661 public void notifyPackageUse(String packageName) { 6662 synchronized (mPackages) { 6663 PackageParser.Package p = mPackages.get(packageName); 6664 if (p == null) { 6665 return; 6666 } 6667 p.mLastPackageUsageTimeInMills = System.currentTimeMillis(); 6668 } 6669 } 6670 6671 // TODO: this is not used nor needed. Delete it. 6672 @Override 6673 public boolean performDexOptIfNeeded(String packageName, String instructionSet) { 6674 return performDexOptTraced(packageName, instructionSet, false /* useProfiles */, 6675 false /* extractOnly */, false /* force */); 6676 } 6677 6678 @Override 6679 public boolean performDexOpt(String packageName, String instructionSet, boolean useProfiles, 6680 boolean extractOnly, boolean force) { 6681 return performDexOptTraced(packageName, instructionSet, useProfiles, extractOnly, force); 6682 } 6683 6684 private boolean performDexOptTraced(String packageName, String instructionSet, 6685 boolean useProfiles, boolean extractOnly, boolean force) { 6686 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 6687 try { 6688 return performDexOptInternal(packageName, instructionSet, useProfiles, extractOnly, 6689 force); 6690 } finally { 6691 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6692 } 6693 } 6694 6695 private boolean performDexOptInternal(String packageName, String instructionSet, 6696 boolean useProfiles, boolean extractOnly, boolean force) { 6697 PackageParser.Package p; 6698 final String targetInstructionSet; 6699 synchronized (mPackages) { 6700 p = mPackages.get(packageName); 6701 if (p == null) { 6702 return false; 6703 } 6704 mPackageUsage.write(false); 6705 6706 targetInstructionSet = instructionSet != null ? instructionSet : 6707 getPrimaryInstructionSet(p.applicationInfo); 6708 if (!force && !useProfiles && p.mDexOptPerformed.contains(targetInstructionSet)) { 6709 // Skip only if we do not use profiles since they might trigger a recompilation. 6710 return false; 6711 } 6712 } 6713 long callingId = Binder.clearCallingIdentity(); 6714 try { 6715 synchronized (mInstallLock) { 6716 final String[] instructionSets = new String[] { targetInstructionSet }; 6717 int result = performDexOptInternalWithDependenciesLI(p, instructionSets, 6718 useProfiles, extractOnly, force); 6719 return result == PackageDexOptimizer.DEX_OPT_PERFORMED; 6720 } 6721 } finally { 6722 Binder.restoreCallingIdentity(callingId); 6723 } 6724 } 6725 6726 public ArraySet<String> getOptimizablePackages() { 6727 ArraySet<String> pkgs = new ArraySet<String>(); 6728 synchronized (mPackages) { 6729 for (PackageParser.Package p : mPackages.values()) { 6730 if (PackageDexOptimizer.canOptimizePackage(p)) { 6731 pkgs.add(p.packageName); 6732 } 6733 } 6734 } 6735 return pkgs; 6736 } 6737 6738 private int performDexOptInternalWithDependenciesLI(PackageParser.Package p, 6739 String instructionSets[], boolean useProfiles, boolean extractOnly, boolean force) { 6740 // Select the dex optimizer based on the force parameter. 6741 // Note: The force option is rarely used (cmdline input for testing, mostly), so it's OK to 6742 // allocate an object here. 6743 PackageDexOptimizer pdo = force 6744 ? new PackageDexOptimizer.ForcedUpdatePackageDexOptimizer(mPackageDexOptimizer) 6745 : mPackageDexOptimizer; 6746 6747 // Optimize all dependencies first. Note: we ignore the return value and march on 6748 // on errors. 6749 Collection<PackageParser.Package> deps = findSharedNonSystemLibraries(p); 6750 if (!deps.isEmpty()) { 6751 for (PackageParser.Package depPackage : deps) { 6752 // TODO: Analyze and investigate if we (should) profile libraries. 6753 // Currently this will do a full compilation of the library. 6754 pdo.performDexOpt(depPackage, instructionSets, false /* useProfiles */, 6755 false /* extractOnly */); 6756 } 6757 } 6758 6759 return pdo.performDexOpt(p, instructionSets, useProfiles, extractOnly); 6760 } 6761 6762 Collection<PackageParser.Package> findSharedNonSystemLibraries(PackageParser.Package p) { 6763 if (p.usesLibraries != null || p.usesOptionalLibraries != null) { 6764 ArrayList<PackageParser.Package> retValue = new ArrayList<>(); 6765 Set<String> collectedNames = new HashSet<>(); 6766 findSharedNonSystemLibrariesRecursive(p, retValue, collectedNames); 6767 6768 retValue.remove(p); 6769 6770 return retValue; 6771 } else { 6772 return Collections.emptyList(); 6773 } 6774 } 6775 6776 private void findSharedNonSystemLibrariesRecursive(PackageParser.Package p, 6777 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 6778 if (!collectedNames.contains(p.packageName)) { 6779 collectedNames.add(p.packageName); 6780 collected.add(p); 6781 6782 if (p.usesLibraries != null) { 6783 findSharedNonSystemLibrariesRecursive(p.usesLibraries, collected, collectedNames); 6784 } 6785 if (p.usesOptionalLibraries != null) { 6786 findSharedNonSystemLibrariesRecursive(p.usesOptionalLibraries, collected, 6787 collectedNames); 6788 } 6789 } 6790 } 6791 6792 private void findSharedNonSystemLibrariesRecursive(Collection<String> libs, 6793 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 6794 for (String libName : libs) { 6795 PackageParser.Package libPkg = findSharedNonSystemLibrary(libName); 6796 if (libPkg != null) { 6797 findSharedNonSystemLibrariesRecursive(libPkg, collected, collectedNames); 6798 } 6799 } 6800 } 6801 6802 private PackageParser.Package findSharedNonSystemLibrary(String libName) { 6803 synchronized (mPackages) { 6804 PackageManagerService.SharedLibraryEntry lib = mSharedLibraries.get(libName); 6805 if (lib != null && lib.apk != null) { 6806 return mPackages.get(lib.apk); 6807 } 6808 } 6809 return null; 6810 } 6811 6812 public void shutdown() { 6813 mPackageUsage.write(true); 6814 } 6815 6816 @Override 6817 public void forceDexOpt(String packageName) { 6818 enforceSystemOrRoot("forceDexOpt"); 6819 6820 PackageParser.Package pkg; 6821 synchronized (mPackages) { 6822 pkg = mPackages.get(packageName); 6823 if (pkg == null) { 6824 throw new IllegalArgumentException("Unknown package: " + packageName); 6825 } 6826 } 6827 6828 synchronized (mInstallLock) { 6829 final String[] instructionSets = new String[] { 6830 getPrimaryInstructionSet(pkg.applicationInfo) }; 6831 6832 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 6833 6834 // Whoever is calling forceDexOpt wants a fully compiled package. 6835 // Don't use profiles since that may cause compilation to be skipped. 6836 final int res = performDexOptInternalWithDependenciesLI(pkg, instructionSets, 6837 false /* useProfiles */, false /* extractOnly */, true /* force */); 6838 6839 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6840 if (res != PackageDexOptimizer.DEX_OPT_PERFORMED) { 6841 throw new IllegalStateException("Failed to dexopt: " + res); 6842 } 6843 } 6844 } 6845 6846 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 6847 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 6848 Slog.w(TAG, "Unable to update from " + oldPkg.name 6849 + " to " + newPkg.packageName 6850 + ": old package not in system partition"); 6851 return false; 6852 } else if (mPackages.get(oldPkg.name) != null) { 6853 Slog.w(TAG, "Unable to update from " + oldPkg.name 6854 + " to " + newPkg.packageName 6855 + ": old package still exists"); 6856 return false; 6857 } 6858 return true; 6859 } 6860 6861 private boolean removeDataDirsLI(String volumeUuid, String packageName) { 6862 // TODO: triage flags as part of 26466827 6863 final int flags = Installer.FLAG_CE_STORAGE | Installer.FLAG_DE_STORAGE; 6864 6865 boolean res = true; 6866 final int[] users = sUserManager.getUserIds(); 6867 for (int user : users) { 6868 try { 6869 mInstaller.destroyAppData(volumeUuid, packageName, user, flags); 6870 } catch (InstallerException e) { 6871 Slog.w(TAG, "Failed to delete data directory", e); 6872 res = false; 6873 } 6874 } 6875 return res; 6876 } 6877 6878 void removeCodePathLI(File codePath) { 6879 if (codePath.isDirectory()) { 6880 try { 6881 mInstaller.rmPackageDir(codePath.getAbsolutePath()); 6882 } catch (InstallerException e) { 6883 Slog.w(TAG, "Failed to remove code path", e); 6884 } 6885 } else { 6886 codePath.delete(); 6887 } 6888 } 6889 6890 void destroyAppDataLI(String volumeUuid, String packageName, int userId, int flags) { 6891 try { 6892 mInstaller.destroyAppData(volumeUuid, packageName, userId, flags); 6893 } catch (InstallerException e) { 6894 Slog.w(TAG, "Failed to destroy app data", e); 6895 } 6896 } 6897 6898 void restoreconAppDataLI(String volumeUuid, String packageName, int userId, int flags, 6899 int appId, String seinfo) { 6900 try { 6901 mInstaller.restoreconAppData(volumeUuid, packageName, userId, flags, appId, seinfo); 6902 } catch (InstallerException e) { 6903 Slog.e(TAG, "Failed to restorecon for " + packageName + ": " + e); 6904 } 6905 } 6906 6907 private void deleteCodeCacheDirsLI(String volumeUuid, String packageName) { 6908 // TODO: triage flags as part of 26466827 6909 final int flags = Installer.FLAG_CE_STORAGE | Installer.FLAG_DE_STORAGE; 6910 6911 final int[] users = sUserManager.getUserIds(); 6912 for (int user : users) { 6913 try { 6914 mInstaller.clearAppData(volumeUuid, packageName, user, 6915 flags | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 6916 } catch (InstallerException e) { 6917 Slog.w(TAG, "Failed to delete code cache directory", e); 6918 } 6919 } 6920 } 6921 6922 private void addSharedLibraryLPw(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 6923 PackageParser.Package changingLib) { 6924 if (file.path != null) { 6925 usesLibraryFiles.add(file.path); 6926 return; 6927 } 6928 PackageParser.Package p = mPackages.get(file.apk); 6929 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 6930 // If we are doing this while in the middle of updating a library apk, 6931 // then we need to make sure to use that new apk for determining the 6932 // dependencies here. (We haven't yet finished committing the new apk 6933 // to the package manager state.) 6934 if (p == null || p.packageName.equals(changingLib.packageName)) { 6935 p = changingLib; 6936 } 6937 } 6938 if (p != null) { 6939 usesLibraryFiles.addAll(p.getAllCodePaths()); 6940 } 6941 } 6942 6943 private void updateSharedLibrariesLPw(PackageParser.Package pkg, 6944 PackageParser.Package changingLib) throws PackageManagerException { 6945 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 6946 final ArraySet<String> usesLibraryFiles = new ArraySet<>(); 6947 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 6948 for (int i=0; i<N; i++) { 6949 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 6950 if (file == null) { 6951 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 6952 "Package " + pkg.packageName + " requires unavailable shared library " 6953 + pkg.usesLibraries.get(i) + "; failing!"); 6954 } 6955 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 6956 } 6957 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 6958 for (int i=0; i<N; i++) { 6959 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 6960 if (file == null) { 6961 Slog.w(TAG, "Package " + pkg.packageName 6962 + " desires unavailable shared library " 6963 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 6964 } else { 6965 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 6966 } 6967 } 6968 N = usesLibraryFiles.size(); 6969 if (N > 0) { 6970 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]); 6971 } else { 6972 pkg.usesLibraryFiles = null; 6973 } 6974 } 6975 } 6976 6977 private static boolean hasString(List<String> list, List<String> which) { 6978 if (list == null) { 6979 return false; 6980 } 6981 for (int i=list.size()-1; i>=0; i--) { 6982 for (int j=which.size()-1; j>=0; j--) { 6983 if (which.get(j).equals(list.get(i))) { 6984 return true; 6985 } 6986 } 6987 } 6988 return false; 6989 } 6990 6991 private void updateAllSharedLibrariesLPw() { 6992 for (PackageParser.Package pkg : mPackages.values()) { 6993 try { 6994 updateSharedLibrariesLPw(pkg, null); 6995 } catch (PackageManagerException e) { 6996 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 6997 } 6998 } 6999 } 7000 7001 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 7002 PackageParser.Package changingPkg) { 7003 ArrayList<PackageParser.Package> res = null; 7004 for (PackageParser.Package pkg : mPackages.values()) { 7005 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 7006 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 7007 if (res == null) { 7008 res = new ArrayList<PackageParser.Package>(); 7009 } 7010 res.add(pkg); 7011 try { 7012 updateSharedLibrariesLPw(pkg, changingPkg); 7013 } catch (PackageManagerException e) { 7014 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 7015 } 7016 } 7017 } 7018 return res; 7019 } 7020 7021 /** 7022 * Derive the value of the {@code cpuAbiOverride} based on the provided 7023 * value and an optional stored value from the package settings. 7024 */ 7025 private static String deriveAbiOverride(String abiOverride, PackageSetting settings) { 7026 String cpuAbiOverride = null; 7027 7028 if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) { 7029 cpuAbiOverride = null; 7030 } else if (abiOverride != null) { 7031 cpuAbiOverride = abiOverride; 7032 } else if (settings != null) { 7033 cpuAbiOverride = settings.cpuAbiOverrideString; 7034 } 7035 7036 return cpuAbiOverride; 7037 } 7038 7039 private PackageParser.Package scanPackageTracedLI(PackageParser.Package pkg, int parseFlags, 7040 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 7041 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 7042 try { 7043 return scanPackageLI(pkg, parseFlags, scanFlags, currentTime, user); 7044 } finally { 7045 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7046 } 7047 } 7048 7049 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, int parseFlags, 7050 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 7051 boolean success = false; 7052 try { 7053 final PackageParser.Package res = scanPackageDirtyLI(pkg, parseFlags, scanFlags, 7054 currentTime, user); 7055 success = true; 7056 return res; 7057 } finally { 7058 if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 7059 removeDataDirsLI(pkg.volumeUuid, pkg.packageName); 7060 } 7061 } 7062 } 7063 7064 private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, int parseFlags, 7065 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 7066 final File scanFile = new File(pkg.codePath); 7067 if (pkg.applicationInfo.getCodePath() == null || 7068 pkg.applicationInfo.getResourcePath() == null) { 7069 // Bail out. The resource and code paths haven't been set. 7070 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 7071 "Code and resource paths haven't been set correctly"); 7072 } 7073 7074 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 7075 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 7076 } else { 7077 // Only allow system apps to be flagged as core apps. 7078 pkg.coreApp = false; 7079 } 7080 7081 if ((parseFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 7082 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 7083 } 7084 7085 if (mCustomResolverComponentName != null && 7086 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 7087 setUpCustomResolverActivity(pkg); 7088 } 7089 7090 if (pkg.packageName.equals("android")) { 7091 synchronized (mPackages) { 7092 if (mAndroidApplication != null) { 7093 Slog.w(TAG, "*************************************************"); 7094 Slog.w(TAG, "Core android package being redefined. Skipping."); 7095 Slog.w(TAG, " file=" + scanFile); 7096 Slog.w(TAG, "*************************************************"); 7097 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 7098 "Core android package being redefined. Skipping."); 7099 } 7100 7101 // Set up information for our fall-back user intent resolution activity. 7102 mPlatformPackage = pkg; 7103 pkg.mVersionCode = mSdkVersion; 7104 mAndroidApplication = pkg.applicationInfo; 7105 7106 if (!mResolverReplaced) { 7107 mResolveActivity.applicationInfo = mAndroidApplication; 7108 mResolveActivity.name = ResolverActivity.class.getName(); 7109 mResolveActivity.packageName = mAndroidApplication.packageName; 7110 mResolveActivity.processName = "system:ui"; 7111 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 7112 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 7113 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 7114 mResolveActivity.theme = R.style.Theme_Holo_Dialog_Alert; 7115 mResolveActivity.exported = true; 7116 mResolveActivity.enabled = true; 7117 mResolveInfo.activityInfo = mResolveActivity; 7118 mResolveInfo.priority = 0; 7119 mResolveInfo.preferredOrder = 0; 7120 mResolveInfo.match = 0; 7121 mResolveComponentName = new ComponentName( 7122 mAndroidApplication.packageName, mResolveActivity.name); 7123 } 7124 } 7125 } 7126 7127 if (DEBUG_PACKAGE_SCANNING) { 7128 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 7129 Log.d(TAG, "Scanning package " + pkg.packageName); 7130 } 7131 7132 if (mPackages.containsKey(pkg.packageName) 7133 || mSharedLibraries.containsKey(pkg.packageName)) { 7134 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 7135 "Application package " + pkg.packageName 7136 + " already installed. Skipping duplicate."); 7137 } 7138 7139 // If we're only installing presumed-existing packages, require that the 7140 // scanned APK is both already known and at the path previously established 7141 // for it. Previously unknown packages we pick up normally, but if we have an 7142 // a priori expectation about this package's install presence, enforce it. 7143 // With a singular exception for new system packages. When an OTA contains 7144 // a new system package, we allow the codepath to change from a system location 7145 // to the user-installed location. If we don't allow this change, any newer, 7146 // user-installed version of the application will be ignored. 7147 if ((scanFlags & SCAN_REQUIRE_KNOWN) != 0) { 7148 if (mExpectingBetter.containsKey(pkg.packageName)) { 7149 logCriticalInfo(Log.WARN, 7150 "Relax SCAN_REQUIRE_KNOWN requirement for package " + pkg.packageName); 7151 } else { 7152 PackageSetting known = mSettings.peekPackageLPr(pkg.packageName); 7153 if (known != null) { 7154 if (DEBUG_PACKAGE_SCANNING) { 7155 Log.d(TAG, "Examining " + pkg.codePath 7156 + " and requiring known paths " + known.codePathString 7157 + " & " + known.resourcePathString); 7158 } 7159 if (!pkg.applicationInfo.getCodePath().equals(known.codePathString) 7160 || !pkg.applicationInfo.getResourcePath().equals(known.resourcePathString)) { 7161 throw new PackageManagerException(INSTALL_FAILED_PACKAGE_CHANGED, 7162 "Application package " + pkg.packageName 7163 + " found at " + pkg.applicationInfo.getCodePath() 7164 + " but expected at " + known.codePathString + "; ignoring."); 7165 } 7166 } 7167 } 7168 } 7169 7170 // Initialize package source and resource directories 7171 File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 7172 File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 7173 7174 SharedUserSetting suid = null; 7175 PackageSetting pkgSetting = null; 7176 7177 if (!isSystemApp(pkg)) { 7178 // Only system apps can use these features. 7179 pkg.mOriginalPackages = null; 7180 pkg.mRealPackage = null; 7181 pkg.mAdoptPermissions = null; 7182 } 7183 7184 // writer 7185 synchronized (mPackages) { 7186 if (pkg.mSharedUserId != null) { 7187 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, 0, true); 7188 if (suid == null) { 7189 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 7190 "Creating application package " + pkg.packageName 7191 + " for shared user failed"); 7192 } 7193 if (DEBUG_PACKAGE_SCANNING) { 7194 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 7195 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 7196 + "): packages=" + suid.packages); 7197 } 7198 } 7199 7200 // Check if we are renaming from an original package name. 7201 PackageSetting origPackage = null; 7202 String realName = null; 7203 if (pkg.mOriginalPackages != null) { 7204 // This package may need to be renamed to a previously 7205 // installed name. Let's check on that... 7206 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 7207 if (pkg.mOriginalPackages.contains(renamed)) { 7208 // This package had originally been installed as the 7209 // original name, and we have already taken care of 7210 // transitioning to the new one. Just update the new 7211 // one to continue using the old name. 7212 realName = pkg.mRealPackage; 7213 if (!pkg.packageName.equals(renamed)) { 7214 // Callers into this function may have already taken 7215 // care of renaming the package; only do it here if 7216 // it is not already done. 7217 pkg.setPackageName(renamed); 7218 } 7219 7220 } else { 7221 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 7222 if ((origPackage = mSettings.peekPackageLPr( 7223 pkg.mOriginalPackages.get(i))) != null) { 7224 // We do have the package already installed under its 7225 // original name... should we use it? 7226 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 7227 // New package is not compatible with original. 7228 origPackage = null; 7229 continue; 7230 } else if (origPackage.sharedUser != null) { 7231 // Make sure uid is compatible between packages. 7232 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 7233 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 7234 + " to " + pkg.packageName + ": old uid " 7235 + origPackage.sharedUser.name 7236 + " differs from " + pkg.mSharedUserId); 7237 origPackage = null; 7238 continue; 7239 } 7240 } else { 7241 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 7242 + pkg.packageName + " to old name " + origPackage.name); 7243 } 7244 break; 7245 } 7246 } 7247 } 7248 } 7249 7250 if (mTransferedPackages.contains(pkg.packageName)) { 7251 Slog.w(TAG, "Package " + pkg.packageName 7252 + " was transferred to another, but its .apk remains"); 7253 } 7254 7255 // Just create the setting, don't add it yet. For already existing packages 7256 // the PkgSetting exists already and doesn't have to be created. 7257 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 7258 destResourceFile, pkg.applicationInfo.nativeLibraryRootDir, 7259 pkg.applicationInfo.primaryCpuAbi, 7260 pkg.applicationInfo.secondaryCpuAbi, 7261 pkg.applicationInfo.flags, pkg.applicationInfo.privateFlags, 7262 user, false); 7263 if (pkgSetting == null) { 7264 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 7265 "Creating application package " + pkg.packageName + " failed"); 7266 } 7267 7268 if (pkgSetting.origPackage != null) { 7269 // If we are first transitioning from an original package, 7270 // fix up the new package's name now. We need to do this after 7271 // looking up the package under its new name, so getPackageLP 7272 // can take care of fiddling things correctly. 7273 pkg.setPackageName(origPackage.name); 7274 7275 // File a report about this. 7276 String msg = "New package " + pkgSetting.realName 7277 + " renamed to replace old package " + pkgSetting.name; 7278 reportSettingsProblem(Log.WARN, msg); 7279 7280 // Make a note of it. 7281 mTransferedPackages.add(origPackage.name); 7282 7283 // No longer need to retain this. 7284 pkgSetting.origPackage = null; 7285 } 7286 7287 if (realName != null) { 7288 // Make a note of it. 7289 mTransferedPackages.add(pkg.packageName); 7290 } 7291 7292 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 7293 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 7294 } 7295 7296 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 7297 // Check all shared libraries and map to their actual file path. 7298 // We only do this here for apps not on a system dir, because those 7299 // are the only ones that can fail an install due to this. We 7300 // will take care of the system apps by updating all of their 7301 // library paths after the scan is done. 7302 updateSharedLibrariesLPw(pkg, null); 7303 } 7304 7305 if (mFoundPolicyFile) { 7306 SELinuxMMAC.assignSeinfoValue(pkg); 7307 } 7308 7309 pkg.applicationInfo.uid = pkgSetting.appId; 7310 pkg.mExtras = pkgSetting; 7311 if (shouldCheckUpgradeKeySetLP(pkgSetting, scanFlags)) { 7312 if (checkUpgradeKeySetLP(pkgSetting, pkg)) { 7313 // We just determined the app is signed correctly, so bring 7314 // over the latest parsed certs. 7315 pkgSetting.signatures.mSignatures = pkg.mSignatures; 7316 } else { 7317 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 7318 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 7319 "Package " + pkg.packageName + " upgrade keys do not match the " 7320 + "previously installed version"); 7321 } else { 7322 pkgSetting.signatures.mSignatures = pkg.mSignatures; 7323 String msg = "System package " + pkg.packageName 7324 + " signature changed; retaining data."; 7325 reportSettingsProblem(Log.WARN, msg); 7326 } 7327 } 7328 } else { 7329 try { 7330 verifySignaturesLP(pkgSetting, pkg); 7331 // We just determined the app is signed correctly, so bring 7332 // over the latest parsed certs. 7333 pkgSetting.signatures.mSignatures = pkg.mSignatures; 7334 } catch (PackageManagerException e) { 7335 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 7336 throw e; 7337 } 7338 // The signature has changed, but this package is in the system 7339 // image... let's recover! 7340 pkgSetting.signatures.mSignatures = pkg.mSignatures; 7341 // However... if this package is part of a shared user, but it 7342 // doesn't match the signature of the shared user, let's fail. 7343 // What this means is that you can't change the signatures 7344 // associated with an overall shared user, which doesn't seem all 7345 // that unreasonable. 7346 if (pkgSetting.sharedUser != null) { 7347 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 7348 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 7349 throw new PackageManagerException( 7350 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 7351 "Signature mismatch for shared user: " 7352 + pkgSetting.sharedUser); 7353 } 7354 } 7355 // File a report about this. 7356 String msg = "System package " + pkg.packageName 7357 + " signature changed; retaining data."; 7358 reportSettingsProblem(Log.WARN, msg); 7359 } 7360 } 7361 // Verify that this new package doesn't have any content providers 7362 // that conflict with existing packages. Only do this if the 7363 // package isn't already installed, since we don't want to break 7364 // things that are installed. 7365 if ((scanFlags & SCAN_NEW_INSTALL) != 0) { 7366 final int N = pkg.providers.size(); 7367 int i; 7368 for (i=0; i<N; i++) { 7369 PackageParser.Provider p = pkg.providers.get(i); 7370 if (p.info.authority != null) { 7371 String names[] = p.info.authority.split(";"); 7372 for (int j = 0; j < names.length; j++) { 7373 if (mProvidersByAuthority.containsKey(names[j])) { 7374 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 7375 final String otherPackageName = 7376 ((other != null && other.getComponentName() != null) ? 7377 other.getComponentName().getPackageName() : "?"); 7378 throw new PackageManagerException( 7379 INSTALL_FAILED_CONFLICTING_PROVIDER, 7380 "Can't install because provider name " + names[j] 7381 + " (in package " + pkg.applicationInfo.packageName 7382 + ") is already used by " + otherPackageName); 7383 } 7384 } 7385 } 7386 } 7387 } 7388 7389 if (pkg.mAdoptPermissions != null) { 7390 // This package wants to adopt ownership of permissions from 7391 // another package. 7392 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 7393 final String origName = pkg.mAdoptPermissions.get(i); 7394 final PackageSetting orig = mSettings.peekPackageLPr(origName); 7395 if (orig != null) { 7396 if (verifyPackageUpdateLPr(orig, pkg)) { 7397 Slog.i(TAG, "Adopting permissions from " + origName + " to " 7398 + pkg.packageName); 7399 mSettings.transferPermissionsLPw(origName, pkg.packageName); 7400 } 7401 } 7402 } 7403 } 7404 } 7405 7406 final String pkgName = pkg.packageName; 7407 7408 final long scanFileTime = scanFile.lastModified(); 7409 final boolean forceDex = (scanFlags & SCAN_FORCE_DEX) != 0; 7410 pkg.applicationInfo.processName = fixProcessName( 7411 pkg.applicationInfo.packageName, 7412 pkg.applicationInfo.processName, 7413 pkg.applicationInfo.uid); 7414 7415 if (pkg != mPlatformPackage) { 7416 // Get all of our default paths setup 7417 pkg.applicationInfo.initForUser(UserHandle.USER_SYSTEM); 7418 } 7419 7420 final String path = scanFile.getPath(); 7421 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 7422 7423 if ((scanFlags & SCAN_NEW_INSTALL) == 0) { 7424 derivePackageAbi(pkg, scanFile, cpuAbiOverride, true /* extract libs */); 7425 7426 // Some system apps still use directory structure for native libraries 7427 // in which case we might end up not detecting abi solely based on apk 7428 // structure. Try to detect abi based on directory structure. 7429 if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp() && 7430 pkg.applicationInfo.primaryCpuAbi == null) { 7431 setBundledAppAbisAndRoots(pkg, pkgSetting); 7432 setNativeLibraryPaths(pkg); 7433 } 7434 7435 } else { 7436 if ((scanFlags & SCAN_MOVE) != 0) { 7437 // We haven't run dex-opt for this move (since we've moved the compiled output too) 7438 // but we already have this packages package info in the PackageSetting. We just 7439 // use that and derive the native library path based on the new codepath. 7440 pkg.applicationInfo.primaryCpuAbi = pkgSetting.primaryCpuAbiString; 7441 pkg.applicationInfo.secondaryCpuAbi = pkgSetting.secondaryCpuAbiString; 7442 } 7443 7444 // Set native library paths again. For moves, the path will be updated based on the 7445 // ABIs we've determined above. For non-moves, the path will be updated based on the 7446 // ABIs we determined during compilation, but the path will depend on the final 7447 // package path (after the rename away from the stage path). 7448 setNativeLibraryPaths(pkg); 7449 } 7450 7451 // This is a special case for the "system" package, where the ABI is 7452 // dictated by the zygote configuration (and init.rc). We should keep track 7453 // of this ABI so that we can deal with "normal" applications that run under 7454 // the same UID correctly. 7455 if (mPlatformPackage == pkg) { 7456 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 7457 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 7458 } 7459 7460 // If there's a mismatch between the abi-override in the package setting 7461 // and the abiOverride specified for the install. Warn about this because we 7462 // would've already compiled the app without taking the package setting into 7463 // account. 7464 if ((scanFlags & SCAN_NO_DEX) == 0 && (scanFlags & SCAN_NEW_INSTALL) != 0) { 7465 if (cpuAbiOverride == null && pkgSetting.cpuAbiOverrideString != null) { 7466 Slog.w(TAG, "Ignoring persisted ABI override " + cpuAbiOverride + 7467 " for package " + pkg.packageName); 7468 } 7469 } 7470 7471 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 7472 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 7473 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 7474 7475 // Copy the derived override back to the parsed package, so that we can 7476 // update the package settings accordingly. 7477 pkg.cpuAbiOverride = cpuAbiOverride; 7478 7479 if (DEBUG_ABI_SELECTION) { 7480 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 7481 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 7482 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 7483 } 7484 7485 // Push the derived path down into PackageSettings so we know what to 7486 // clean up at uninstall time. 7487 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 7488 7489 if (DEBUG_ABI_SELECTION) { 7490 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 7491 " primary=" + pkg.applicationInfo.primaryCpuAbi + 7492 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 7493 } 7494 7495 if ((scanFlags & SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 7496 // We don't do this here during boot because we can do it all 7497 // at once after scanning all existing packages. 7498 // 7499 // We also do this *before* we perform dexopt on this package, so that 7500 // we can avoid redundant dexopts, and also to make sure we've got the 7501 // code and package path correct. 7502 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 7503 pkg, true /* boot complete */); 7504 } 7505 7506 if (mFactoryTest && pkg.requestedPermissions.contains( 7507 android.Manifest.permission.FACTORY_TEST)) { 7508 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 7509 } 7510 7511 ArrayList<PackageParser.Package> clientLibPkgs = null; 7512 7513 // writer 7514 synchronized (mPackages) { 7515 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 7516 // Only system apps can add new shared libraries. 7517 if (pkg.libraryNames != null) { 7518 for (int i=0; i<pkg.libraryNames.size(); i++) { 7519 String name = pkg.libraryNames.get(i); 7520 boolean allowed = false; 7521 if (pkg.isUpdatedSystemApp()) { 7522 // New library entries can only be added through the 7523 // system image. This is important to get rid of a lot 7524 // of nasty edge cases: for example if we allowed a non- 7525 // system update of the app to add a library, then uninstalling 7526 // the update would make the library go away, and assumptions 7527 // we made such as through app install filtering would now 7528 // have allowed apps on the device which aren't compatible 7529 // with it. Better to just have the restriction here, be 7530 // conservative, and create many fewer cases that can negatively 7531 // impact the user experience. 7532 final PackageSetting sysPs = mSettings 7533 .getDisabledSystemPkgLPr(pkg.packageName); 7534 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 7535 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 7536 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 7537 allowed = true; 7538 break; 7539 } 7540 } 7541 } 7542 } else { 7543 allowed = true; 7544 } 7545 if (allowed) { 7546 if (!mSharedLibraries.containsKey(name)) { 7547 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 7548 } else if (!name.equals(pkg.packageName)) { 7549 Slog.w(TAG, "Package " + pkg.packageName + " library " 7550 + name + " already exists; skipping"); 7551 } 7552 } else { 7553 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 7554 + name + " that is not declared on system image; skipping"); 7555 } 7556 } 7557 if ((scanFlags & SCAN_BOOTING) == 0) { 7558 // If we are not booting, we need to update any applications 7559 // that are clients of our shared library. If we are booting, 7560 // this will all be done once the scan is complete. 7561 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 7562 } 7563 } 7564 } 7565 } 7566 7567 // Request the ActivityManager to kill the process(only for existing packages) 7568 // so that we do not end up in a confused state while the user is still using the older 7569 // version of the application while the new one gets installed. 7570 if ((scanFlags & SCAN_REPLACING) != 0) { 7571 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "killApplication"); 7572 7573 killApplication(pkg.applicationInfo.packageName, 7574 pkg.applicationInfo.uid, "replace pkg"); 7575 7576 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7577 } 7578 7579 // Also need to kill any apps that are dependent on the library. 7580 if (clientLibPkgs != null) { 7581 for (int i=0; i<clientLibPkgs.size(); i++) { 7582 PackageParser.Package clientPkg = clientLibPkgs.get(i); 7583 killApplication(clientPkg.applicationInfo.packageName, 7584 clientPkg.applicationInfo.uid, "update lib"); 7585 } 7586 } 7587 7588 // Make sure we're not adding any bogus keyset info 7589 KeySetManagerService ksms = mSettings.mKeySetManagerService; 7590 ksms.assertScannedPackageValid(pkg); 7591 7592 // writer 7593 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 7594 7595 boolean createIdmapFailed = false; 7596 synchronized (mPackages) { 7597 // We don't expect installation to fail beyond this point 7598 7599 // Add the new setting to mSettings 7600 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 7601 // Add the new setting to mPackages 7602 mPackages.put(pkg.applicationInfo.packageName, pkg); 7603 // Make sure we don't accidentally delete its data. 7604 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 7605 while (iter.hasNext()) { 7606 PackageCleanItem item = iter.next(); 7607 if (pkgName.equals(item.packageName)) { 7608 iter.remove(); 7609 } 7610 } 7611 7612 // Take care of first install / last update times. 7613 if (currentTime != 0) { 7614 if (pkgSetting.firstInstallTime == 0) { 7615 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 7616 } else if ((scanFlags&SCAN_UPDATE_TIME) != 0) { 7617 pkgSetting.lastUpdateTime = currentTime; 7618 } 7619 } else if (pkgSetting.firstInstallTime == 0) { 7620 // We need *something*. Take time time stamp of the file. 7621 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 7622 } else if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 7623 if (scanFileTime != pkgSetting.timeStamp) { 7624 // A package on the system image has changed; consider this 7625 // to be an update. 7626 pkgSetting.lastUpdateTime = scanFileTime; 7627 } 7628 } 7629 7630 // Add the package's KeySets to the global KeySetManagerService 7631 ksms.addScannedPackageLPw(pkg); 7632 7633 int N = pkg.providers.size(); 7634 StringBuilder r = null; 7635 int i; 7636 for (i=0; i<N; i++) { 7637 PackageParser.Provider p = pkg.providers.get(i); 7638 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 7639 p.info.processName, pkg.applicationInfo.uid); 7640 mProviders.addProvider(p); 7641 p.syncable = p.info.isSyncable; 7642 if (p.info.authority != null) { 7643 String names[] = p.info.authority.split(";"); 7644 p.info.authority = null; 7645 for (int j = 0; j < names.length; j++) { 7646 if (j == 1 && p.syncable) { 7647 // We only want the first authority for a provider to possibly be 7648 // syncable, so if we already added this provider using a different 7649 // authority clear the syncable flag. We copy the provider before 7650 // changing it because the mProviders object contains a reference 7651 // to a provider that we don't want to change. 7652 // Only do this for the second authority since the resulting provider 7653 // object can be the same for all future authorities for this provider. 7654 p = new PackageParser.Provider(p); 7655 p.syncable = false; 7656 } 7657 if (!mProvidersByAuthority.containsKey(names[j])) { 7658 mProvidersByAuthority.put(names[j], p); 7659 if (p.info.authority == null) { 7660 p.info.authority = names[j]; 7661 } else { 7662 p.info.authority = p.info.authority + ";" + names[j]; 7663 } 7664 if (DEBUG_PACKAGE_SCANNING) { 7665 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 7666 Log.d(TAG, "Registered content provider: " + names[j] 7667 + ", className = " + p.info.name + ", isSyncable = " 7668 + p.info.isSyncable); 7669 } 7670 } else { 7671 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 7672 Slog.w(TAG, "Skipping provider name " + names[j] + 7673 " (in package " + pkg.applicationInfo.packageName + 7674 "): name already used by " 7675 + ((other != null && other.getComponentName() != null) 7676 ? other.getComponentName().getPackageName() : "?")); 7677 } 7678 } 7679 } 7680 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7681 if (r == null) { 7682 r = new StringBuilder(256); 7683 } else { 7684 r.append(' '); 7685 } 7686 r.append(p.info.name); 7687 } 7688 } 7689 if (r != null) { 7690 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 7691 } 7692 7693 N = pkg.services.size(); 7694 r = null; 7695 for (i=0; i<N; i++) { 7696 PackageParser.Service s = pkg.services.get(i); 7697 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 7698 s.info.processName, pkg.applicationInfo.uid); 7699 mServices.addService(s); 7700 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7701 if (r == null) { 7702 r = new StringBuilder(256); 7703 } else { 7704 r.append(' '); 7705 } 7706 r.append(s.info.name); 7707 } 7708 } 7709 if (r != null) { 7710 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 7711 } 7712 7713 N = pkg.receivers.size(); 7714 r = null; 7715 for (i=0; i<N; i++) { 7716 PackageParser.Activity a = pkg.receivers.get(i); 7717 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 7718 a.info.processName, pkg.applicationInfo.uid); 7719 mReceivers.addActivity(a, "receiver"); 7720 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7721 if (r == null) { 7722 r = new StringBuilder(256); 7723 } else { 7724 r.append(' '); 7725 } 7726 r.append(a.info.name); 7727 } 7728 } 7729 if (r != null) { 7730 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 7731 } 7732 7733 N = pkg.activities.size(); 7734 r = null; 7735 for (i=0; i<N; i++) { 7736 PackageParser.Activity a = pkg.activities.get(i); 7737 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 7738 a.info.processName, pkg.applicationInfo.uid); 7739 mActivities.addActivity(a, "activity"); 7740 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7741 if (r == null) { 7742 r = new StringBuilder(256); 7743 } else { 7744 r.append(' '); 7745 } 7746 r.append(a.info.name); 7747 } 7748 } 7749 if (r != null) { 7750 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 7751 } 7752 7753 N = pkg.permissionGroups.size(); 7754 r = null; 7755 for (i=0; i<N; i++) { 7756 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 7757 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 7758 if (cur == null) { 7759 mPermissionGroups.put(pg.info.name, pg); 7760 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7761 if (r == null) { 7762 r = new StringBuilder(256); 7763 } else { 7764 r.append(' '); 7765 } 7766 r.append(pg.info.name); 7767 } 7768 } else { 7769 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 7770 + pg.info.packageName + " ignored: original from " 7771 + cur.info.packageName); 7772 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7773 if (r == null) { 7774 r = new StringBuilder(256); 7775 } else { 7776 r.append(' '); 7777 } 7778 r.append("DUP:"); 7779 r.append(pg.info.name); 7780 } 7781 } 7782 } 7783 if (r != null) { 7784 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 7785 } 7786 7787 N = pkg.permissions.size(); 7788 r = null; 7789 for (i=0; i<N; i++) { 7790 PackageParser.Permission p = pkg.permissions.get(i); 7791 7792 // Assume by default that we did not install this permission into the system. 7793 p.info.flags &= ~PermissionInfo.FLAG_INSTALLED; 7794 7795 // Now that permission groups have a special meaning, we ignore permission 7796 // groups for legacy apps to prevent unexpected behavior. In particular, 7797 // permissions for one app being granted to someone just becuase they happen 7798 // to be in a group defined by another app (before this had no implications). 7799 if (pkg.applicationInfo.targetSdkVersion > Build.VERSION_CODES.LOLLIPOP_MR1) { 7800 p.group = mPermissionGroups.get(p.info.group); 7801 // Warn for a permission in an unknown group. 7802 if (p.info.group != null && p.group == null) { 7803 Slog.w(TAG, "Permission " + p.info.name + " from package " 7804 + p.info.packageName + " in an unknown group " + p.info.group); 7805 } 7806 } 7807 7808 ArrayMap<String, BasePermission> permissionMap = 7809 p.tree ? mSettings.mPermissionTrees 7810 : mSettings.mPermissions; 7811 BasePermission bp = permissionMap.get(p.info.name); 7812 7813 // Allow system apps to redefine non-system permissions 7814 if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) { 7815 final boolean currentOwnerIsSystem = (bp.perm != null 7816 && isSystemApp(bp.perm.owner)); 7817 if (isSystemApp(p.owner)) { 7818 if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) { 7819 // It's a built-in permission and no owner, take ownership now 7820 bp.packageSetting = pkgSetting; 7821 bp.perm = p; 7822 bp.uid = pkg.applicationInfo.uid; 7823 bp.sourcePackage = p.info.packageName; 7824 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 7825 } else if (!currentOwnerIsSystem) { 7826 String msg = "New decl " + p.owner + " of permission " 7827 + p.info.name + " is system; overriding " + bp.sourcePackage; 7828 reportSettingsProblem(Log.WARN, msg); 7829 bp = null; 7830 } 7831 } 7832 } 7833 7834 if (bp == null) { 7835 bp = new BasePermission(p.info.name, p.info.packageName, 7836 BasePermission.TYPE_NORMAL); 7837 permissionMap.put(p.info.name, bp); 7838 } 7839 7840 if (bp.perm == null) { 7841 if (bp.sourcePackage == null 7842 || bp.sourcePackage.equals(p.info.packageName)) { 7843 BasePermission tree = findPermissionTreeLP(p.info.name); 7844 if (tree == null 7845 || tree.sourcePackage.equals(p.info.packageName)) { 7846 bp.packageSetting = pkgSetting; 7847 bp.perm = p; 7848 bp.uid = pkg.applicationInfo.uid; 7849 bp.sourcePackage = p.info.packageName; 7850 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 7851 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7852 if (r == null) { 7853 r = new StringBuilder(256); 7854 } else { 7855 r.append(' '); 7856 } 7857 r.append(p.info.name); 7858 } 7859 } else { 7860 Slog.w(TAG, "Permission " + p.info.name + " from package " 7861 + p.info.packageName + " ignored: base tree " 7862 + tree.name + " is from package " 7863 + tree.sourcePackage); 7864 } 7865 } else { 7866 Slog.w(TAG, "Permission " + p.info.name + " from package " 7867 + p.info.packageName + " ignored: original from " 7868 + bp.sourcePackage); 7869 } 7870 } else if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7871 if (r == null) { 7872 r = new StringBuilder(256); 7873 } else { 7874 r.append(' '); 7875 } 7876 r.append("DUP:"); 7877 r.append(p.info.name); 7878 } 7879 if (bp.perm == p) { 7880 bp.protectionLevel = p.info.protectionLevel; 7881 } 7882 } 7883 7884 if (r != null) { 7885 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 7886 } 7887 7888 N = pkg.instrumentation.size(); 7889 r = null; 7890 for (i=0; i<N; i++) { 7891 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 7892 a.info.packageName = pkg.applicationInfo.packageName; 7893 a.info.sourceDir = pkg.applicationInfo.sourceDir; 7894 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 7895 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 7896 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 7897 a.info.dataDir = pkg.applicationInfo.dataDir; 7898 a.info.deviceEncryptedDataDir = pkg.applicationInfo.deviceEncryptedDataDir; 7899 a.info.credentialEncryptedDataDir = pkg.applicationInfo.credentialEncryptedDataDir; 7900 7901 // TODO: Update instrumentation.nativeLibraryDir as well ? Does it 7902 // need other information about the application, like the ABI and what not ? 7903 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 7904 mInstrumentation.put(a.getComponentName(), a); 7905 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7906 if (r == null) { 7907 r = new StringBuilder(256); 7908 } else { 7909 r.append(' '); 7910 } 7911 r.append(a.info.name); 7912 } 7913 } 7914 if (r != null) { 7915 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 7916 } 7917 7918 if (pkg.protectedBroadcasts != null) { 7919 N = pkg.protectedBroadcasts.size(); 7920 for (i=0; i<N; i++) { 7921 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 7922 } 7923 } 7924 7925 pkgSetting.setTimeStamp(scanFileTime); 7926 7927 // Create idmap files for pairs of (packages, overlay packages). 7928 // Note: "android", ie framework-res.apk, is handled by native layers. 7929 if (pkg.mOverlayTarget != null) { 7930 // This is an overlay package. 7931 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 7932 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 7933 mOverlays.put(pkg.mOverlayTarget, 7934 new ArrayMap<String, PackageParser.Package>()); 7935 } 7936 ArrayMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 7937 map.put(pkg.packageName, pkg); 7938 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 7939 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 7940 createIdmapFailed = true; 7941 } 7942 } 7943 } else if (mOverlays.containsKey(pkg.packageName) && 7944 !pkg.packageName.equals("android")) { 7945 // This is a regular package, with one or more known overlay packages. 7946 createIdmapsForPackageLI(pkg); 7947 } 7948 } 7949 7950 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7951 7952 if (createIdmapFailed) { 7953 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 7954 "scanPackageLI failed to createIdmap"); 7955 } 7956 return pkg; 7957 } 7958 7959 /** 7960 * Derive the ABI of a non-system package located at {@code scanFile}. This information 7961 * is derived purely on the basis of the contents of {@code scanFile} and 7962 * {@code cpuAbiOverride}. 7963 * 7964 * If {@code extractLibs} is true, native libraries are extracted from the app if required. 7965 */ 7966 public void derivePackageAbi(PackageParser.Package pkg, File scanFile, 7967 String cpuAbiOverride, boolean extractLibs) 7968 throws PackageManagerException { 7969 // TODO: We can probably be smarter about this stuff. For installed apps, 7970 // we can calculate this information at install time once and for all. For 7971 // system apps, we can probably assume that this information doesn't change 7972 // after the first boot scan. As things stand, we do lots of unnecessary work. 7973 7974 // Give ourselves some initial paths; we'll come back for another 7975 // pass once we've determined ABI below. 7976 setNativeLibraryPaths(pkg); 7977 7978 // We would never need to extract libs for forward-locked and external packages, 7979 // since the container service will do it for us. We shouldn't attempt to 7980 // extract libs from system app when it was not updated. 7981 if (pkg.isForwardLocked() || pkg.applicationInfo.isExternalAsec() || 7982 (isSystemApp(pkg) && !pkg.isUpdatedSystemApp())) { 7983 extractLibs = false; 7984 } 7985 7986 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 7987 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 7988 7989 NativeLibraryHelper.Handle handle = null; 7990 try { 7991 handle = NativeLibraryHelper.Handle.create(pkg); 7992 // TODO(multiArch): This can be null for apps that didn't go through the 7993 // usual installation process. We can calculate it again, like we 7994 // do during install time. 7995 // 7996 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 7997 // unnecessary. 7998 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 7999 8000 // Null out the abis so that they can be recalculated. 8001 pkg.applicationInfo.primaryCpuAbi = null; 8002 pkg.applicationInfo.secondaryCpuAbi = null; 8003 if (isMultiArch(pkg.applicationInfo)) { 8004 // Warn if we've set an abiOverride for multi-lib packages.. 8005 // By definition, we need to copy both 32 and 64 bit libraries for 8006 // such packages. 8007 if (pkg.cpuAbiOverride != null 8008 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 8009 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 8010 } 8011 8012 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 8013 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 8014 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 8015 if (extractLibs) { 8016 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 8017 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 8018 useIsaSpecificSubdirs); 8019 } else { 8020 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 8021 } 8022 } 8023 8024 maybeThrowExceptionForMultiArchCopy( 8025 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 8026 8027 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 8028 if (extractLibs) { 8029 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 8030 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 8031 useIsaSpecificSubdirs); 8032 } else { 8033 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 8034 } 8035 } 8036 8037 maybeThrowExceptionForMultiArchCopy( 8038 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 8039 8040 if (abi64 >= 0) { 8041 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 8042 } 8043 8044 if (abi32 >= 0) { 8045 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 8046 if (abi64 >= 0) { 8047 pkg.applicationInfo.secondaryCpuAbi = abi; 8048 } else { 8049 pkg.applicationInfo.primaryCpuAbi = abi; 8050 } 8051 } 8052 if (cpuAbiOverride != null && 8053 cpuAbiOverride.equals(pkg.applicationInfo.secondaryCpuAbi)) { 8054 pkg.applicationInfo.secondaryCpuAbi = pkg.applicationInfo.primaryCpuAbi; 8055 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 8056 } 8057 } else { 8058 String[] abiList = (cpuAbiOverride != null) ? 8059 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 8060 8061 // Enable gross and lame hacks for apps that are built with old 8062 // SDK tools. We must scan their APKs for renderscript bitcode and 8063 // not launch them if it's present. Don't bother checking on devices 8064 // that don't have 64 bit support. 8065 boolean needsRenderScriptOverride = false; 8066 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 8067 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 8068 abiList = Build.SUPPORTED_32_BIT_ABIS; 8069 needsRenderScriptOverride = true; 8070 } 8071 8072 final int copyRet; 8073 if (extractLibs) { 8074 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 8075 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 8076 } else { 8077 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 8078 } 8079 8080 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 8081 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 8082 "Error unpackaging native libs for app, errorCode=" + copyRet); 8083 } 8084 8085 if (copyRet >= 0) { 8086 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 8087 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 8088 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 8089 } else if (needsRenderScriptOverride) { 8090 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 8091 } 8092 } 8093 } catch (IOException ioe) { 8094 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 8095 } finally { 8096 IoUtils.closeQuietly(handle); 8097 } 8098 8099 // Now that we've calculated the ABIs and determined if it's an internal app, 8100 // we will go ahead and populate the nativeLibraryPath. 8101 setNativeLibraryPaths(pkg); 8102 } 8103 8104 /** 8105 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 8106 * i.e, so that all packages can be run inside a single process if required. 8107 * 8108 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 8109 * this function will either try and make the ABI for all packages in {@code packagesForUser} 8110 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 8111 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 8112 * updating a package that belongs to a shared user. 8113 * 8114 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 8115 * adds unnecessary complexity. 8116 */ 8117 private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 8118 PackageParser.Package scannedPackage, boolean bootComplete) { 8119 String requiredInstructionSet = null; 8120 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 8121 requiredInstructionSet = VMRuntime.getInstructionSet( 8122 scannedPackage.applicationInfo.primaryCpuAbi); 8123 } 8124 8125 PackageSetting requirer = null; 8126 for (PackageSetting ps : packagesForUser) { 8127 // If packagesForUser contains scannedPackage, we skip it. This will happen 8128 // when scannedPackage is an update of an existing package. Without this check, 8129 // we will never be able to change the ABI of any package belonging to a shared 8130 // user, even if it's compatible with other packages. 8131 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 8132 if (ps.primaryCpuAbiString == null) { 8133 continue; 8134 } 8135 8136 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 8137 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 8138 // We have a mismatch between instruction sets (say arm vs arm64) warn about 8139 // this but there's not much we can do. 8140 String errorMessage = "Instruction set mismatch, " 8141 + ((requirer == null) ? "[caller]" : requirer) 8142 + " requires " + requiredInstructionSet + " whereas " + ps 8143 + " requires " + instructionSet; 8144 Slog.w(TAG, errorMessage); 8145 } 8146 8147 if (requiredInstructionSet == null) { 8148 requiredInstructionSet = instructionSet; 8149 requirer = ps; 8150 } 8151 } 8152 } 8153 8154 if (requiredInstructionSet != null) { 8155 String adjustedAbi; 8156 if (requirer != null) { 8157 // requirer != null implies that either scannedPackage was null or that scannedPackage 8158 // did not require an ABI, in which case we have to adjust scannedPackage to match 8159 // the ABI of the set (which is the same as requirer's ABI) 8160 adjustedAbi = requirer.primaryCpuAbiString; 8161 if (scannedPackage != null) { 8162 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 8163 } 8164 } else { 8165 // requirer == null implies that we're updating all ABIs in the set to 8166 // match scannedPackage. 8167 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 8168 } 8169 8170 for (PackageSetting ps : packagesForUser) { 8171 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 8172 if (ps.primaryCpuAbiString != null) { 8173 continue; 8174 } 8175 8176 ps.primaryCpuAbiString = adjustedAbi; 8177 if (ps.pkg != null && ps.pkg.applicationInfo != null && 8178 !TextUtils.equals(adjustedAbi, ps.pkg.applicationInfo.primaryCpuAbi)) { 8179 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 8180 Slog.i(TAG, "Adjusting ABI for " + ps.name + " to " + adjustedAbi 8181 + " (requirer=" 8182 + (requirer == null ? "null" : requirer.pkg.packageName) 8183 + ", scannedPackage=" 8184 + (scannedPackage != null ? scannedPackage.packageName : "null") 8185 + ")"); 8186 try { 8187 mInstaller.rmdex(ps.codePathString, 8188 getDexCodeInstructionSet(getPreferredInstructionSet())); 8189 } catch (InstallerException ignored) { 8190 } 8191 } 8192 } 8193 } 8194 } 8195 } 8196 8197 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 8198 synchronized (mPackages) { 8199 mResolverReplaced = true; 8200 // Set up information for custom user intent resolution activity. 8201 mResolveActivity.applicationInfo = pkg.applicationInfo; 8202 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 8203 mResolveActivity.packageName = pkg.applicationInfo.packageName; 8204 mResolveActivity.processName = pkg.applicationInfo.packageName; 8205 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 8206 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 8207 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 8208 mResolveActivity.theme = 0; 8209 mResolveActivity.exported = true; 8210 mResolveActivity.enabled = true; 8211 mResolveInfo.activityInfo = mResolveActivity; 8212 mResolveInfo.priority = 0; 8213 mResolveInfo.preferredOrder = 0; 8214 mResolveInfo.match = 0; 8215 mResolveComponentName = mCustomResolverComponentName; 8216 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 8217 mResolveComponentName); 8218 } 8219 } 8220 8221 private void setUpEphemeralInstallerActivityLP(ComponentName installerComponent) { 8222 final PackageParser.Package pkg = mPackages.get(installerComponent.getPackageName()); 8223 8224 // Set up information for ephemeral installer activity 8225 mEphemeralInstallerActivity.applicationInfo = pkg.applicationInfo; 8226 mEphemeralInstallerActivity.name = mEphemeralInstallerComponent.getClassName(); 8227 mEphemeralInstallerActivity.packageName = pkg.applicationInfo.packageName; 8228 mEphemeralInstallerActivity.processName = pkg.applicationInfo.packageName; 8229 mEphemeralInstallerActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 8230 mEphemeralInstallerActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 8231 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 8232 mEphemeralInstallerActivity.theme = 0; 8233 mEphemeralInstallerActivity.exported = true; 8234 mEphemeralInstallerActivity.enabled = true; 8235 mEphemeralInstallerInfo.activityInfo = mEphemeralInstallerActivity; 8236 mEphemeralInstallerInfo.priority = 0; 8237 mEphemeralInstallerInfo.preferredOrder = 0; 8238 mEphemeralInstallerInfo.match = 0; 8239 8240 if (DEBUG_EPHEMERAL) { 8241 Slog.d(TAG, "Set ephemeral installer activity: " + mEphemeralInstallerComponent); 8242 } 8243 } 8244 8245 private static String calculateBundledApkRoot(final String codePathString) { 8246 final File codePath = new File(codePathString); 8247 final File codeRoot; 8248 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 8249 codeRoot = Environment.getRootDirectory(); 8250 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 8251 codeRoot = Environment.getOemDirectory(); 8252 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 8253 codeRoot = Environment.getVendorDirectory(); 8254 } else { 8255 // Unrecognized code path; take its top real segment as the apk root: 8256 // e.g. /something/app/blah.apk => /something 8257 try { 8258 File f = codePath.getCanonicalFile(); 8259 File parent = f.getParentFile(); // non-null because codePath is a file 8260 File tmp; 8261 while ((tmp = parent.getParentFile()) != null) { 8262 f = parent; 8263 parent = tmp; 8264 } 8265 codeRoot = f; 8266 Slog.w(TAG, "Unrecognized code path " 8267 + codePath + " - using " + codeRoot); 8268 } catch (IOException e) { 8269 // Can't canonicalize the code path -- shenanigans? 8270 Slog.w(TAG, "Can't canonicalize code path " + codePath); 8271 return Environment.getRootDirectory().getPath(); 8272 } 8273 } 8274 return codeRoot.getPath(); 8275 } 8276 8277 /** 8278 * Derive and set the location of native libraries for the given package, 8279 * which varies depending on where and how the package was installed. 8280 */ 8281 private void setNativeLibraryPaths(PackageParser.Package pkg) { 8282 final ApplicationInfo info = pkg.applicationInfo; 8283 final String codePath = pkg.codePath; 8284 final File codeFile = new File(codePath); 8285 final boolean bundledApp = info.isSystemApp() && !info.isUpdatedSystemApp(); 8286 final boolean asecApp = info.isForwardLocked() || info.isExternalAsec(); 8287 8288 info.nativeLibraryRootDir = null; 8289 info.nativeLibraryRootRequiresIsa = false; 8290 info.nativeLibraryDir = null; 8291 info.secondaryNativeLibraryDir = null; 8292 8293 if (isApkFile(codeFile)) { 8294 // Monolithic install 8295 if (bundledApp) { 8296 // If "/system/lib64/apkname" exists, assume that is the per-package 8297 // native library directory to use; otherwise use "/system/lib/apkname". 8298 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 8299 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 8300 getPrimaryInstructionSet(info)); 8301 8302 // This is a bundled system app so choose the path based on the ABI. 8303 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 8304 // is just the default path. 8305 final String apkName = deriveCodePathName(codePath); 8306 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 8307 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 8308 apkName).getAbsolutePath(); 8309 8310 if (info.secondaryCpuAbi != null) { 8311 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 8312 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 8313 secondaryLibDir, apkName).getAbsolutePath(); 8314 } 8315 } else if (asecApp) { 8316 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 8317 .getAbsolutePath(); 8318 } else { 8319 final String apkName = deriveCodePathName(codePath); 8320 info.nativeLibraryRootDir = new File(mAppLib32InstallDir, apkName) 8321 .getAbsolutePath(); 8322 } 8323 8324 info.nativeLibraryRootRequiresIsa = false; 8325 info.nativeLibraryDir = info.nativeLibraryRootDir; 8326 } else { 8327 // Cluster install 8328 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 8329 info.nativeLibraryRootRequiresIsa = true; 8330 8331 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 8332 getPrimaryInstructionSet(info)).getAbsolutePath(); 8333 8334 if (info.secondaryCpuAbi != null) { 8335 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 8336 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 8337 } 8338 } 8339 } 8340 8341 /** 8342 * Calculate the abis and roots for a bundled app. These can uniquely 8343 * be determined from the contents of the system partition, i.e whether 8344 * it contains 64 or 32 bit shared libraries etc. We do not validate any 8345 * of this information, and instead assume that the system was built 8346 * sensibly. 8347 */ 8348 private void setBundledAppAbisAndRoots(PackageParser.Package pkg, 8349 PackageSetting pkgSetting) { 8350 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 8351 8352 // If "/system/lib64/apkname" exists, assume that is the per-package 8353 // native library directory to use; otherwise use "/system/lib/apkname". 8354 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 8355 setBundledAppAbi(pkg, apkRoot, apkName); 8356 // pkgSetting might be null during rescan following uninstall of updates 8357 // to a bundled app, so accommodate that possibility. The settings in 8358 // that case will be established later from the parsed package. 8359 // 8360 // If the settings aren't null, sync them up with what we've just derived. 8361 // note that apkRoot isn't stored in the package settings. 8362 if (pkgSetting != null) { 8363 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 8364 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 8365 } 8366 } 8367 8368 /** 8369 * Deduces the ABI of a bundled app and sets the relevant fields on the 8370 * parsed pkg object. 8371 * 8372 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 8373 * under which system libraries are installed. 8374 * @param apkName the name of the installed package. 8375 */ 8376 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 8377 final File codeFile = new File(pkg.codePath); 8378 8379 final boolean has64BitLibs; 8380 final boolean has32BitLibs; 8381 if (isApkFile(codeFile)) { 8382 // Monolithic install 8383 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 8384 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 8385 } else { 8386 // Cluster install 8387 final File rootDir = new File(codeFile, LIB_DIR_NAME); 8388 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 8389 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 8390 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 8391 has64BitLibs = (new File(rootDir, isa)).exists(); 8392 } else { 8393 has64BitLibs = false; 8394 } 8395 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 8396 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 8397 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 8398 has32BitLibs = (new File(rootDir, isa)).exists(); 8399 } else { 8400 has32BitLibs = false; 8401 } 8402 } 8403 8404 if (has64BitLibs && !has32BitLibs) { 8405 // The package has 64 bit libs, but not 32 bit libs. Its primary 8406 // ABI should be 64 bit. We can safely assume here that the bundled 8407 // native libraries correspond to the most preferred ABI in the list. 8408 8409 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 8410 pkg.applicationInfo.secondaryCpuAbi = null; 8411 } else if (has32BitLibs && !has64BitLibs) { 8412 // The package has 32 bit libs but not 64 bit libs. Its primary 8413 // ABI should be 32 bit. 8414 8415 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 8416 pkg.applicationInfo.secondaryCpuAbi = null; 8417 } else if (has32BitLibs && has64BitLibs) { 8418 // The application has both 64 and 32 bit bundled libraries. We check 8419 // here that the app declares multiArch support, and warn if it doesn't. 8420 // 8421 // We will be lenient here and record both ABIs. The primary will be the 8422 // ABI that's higher on the list, i.e, a device that's configured to prefer 8423 // 64 bit apps will see a 64 bit primary ABI, 8424 8425 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 8426 Slog.e(TAG, "Package " + pkg + " has multiple bundled libs, but is not multiarch."); 8427 } 8428 8429 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 8430 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 8431 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 8432 } else { 8433 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 8434 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 8435 } 8436 } else { 8437 pkg.applicationInfo.primaryCpuAbi = null; 8438 pkg.applicationInfo.secondaryCpuAbi = null; 8439 } 8440 } 8441 8442 private void killApplication(String pkgName, int appId, String reason) { 8443 // Request the ActivityManager to kill the process(only for existing packages) 8444 // so that we do not end up in a confused state while the user is still using the older 8445 // version of the application while the new one gets installed. 8446 IActivityManager am = ActivityManagerNative.getDefault(); 8447 if (am != null) { 8448 try { 8449 am.killApplicationWithAppId(pkgName, appId, reason); 8450 } catch (RemoteException e) { 8451 } 8452 } 8453 } 8454 8455 void removePackageLI(PackageSetting ps, boolean chatty) { 8456 if (DEBUG_INSTALL) { 8457 if (chatty) 8458 Log.d(TAG, "Removing package " + ps.name); 8459 } 8460 8461 // writer 8462 synchronized (mPackages) { 8463 mPackages.remove(ps.name); 8464 final PackageParser.Package pkg = ps.pkg; 8465 if (pkg != null) { 8466 cleanPackageDataStructuresLILPw(pkg, chatty); 8467 } 8468 } 8469 } 8470 8471 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 8472 if (DEBUG_INSTALL) { 8473 if (chatty) 8474 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 8475 } 8476 8477 // writer 8478 synchronized (mPackages) { 8479 mPackages.remove(pkg.applicationInfo.packageName); 8480 cleanPackageDataStructuresLILPw(pkg, chatty); 8481 } 8482 } 8483 8484 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 8485 int N = pkg.providers.size(); 8486 StringBuilder r = null; 8487 int i; 8488 for (i=0; i<N; i++) { 8489 PackageParser.Provider p = pkg.providers.get(i); 8490 mProviders.removeProvider(p); 8491 if (p.info.authority == null) { 8492 8493 /* There was another ContentProvider with this authority when 8494 * this app was installed so this authority is null, 8495 * Ignore it as we don't have to unregister the provider. 8496 */ 8497 continue; 8498 } 8499 String names[] = p.info.authority.split(";"); 8500 for (int j = 0; j < names.length; j++) { 8501 if (mProvidersByAuthority.get(names[j]) == p) { 8502 mProvidersByAuthority.remove(names[j]); 8503 if (DEBUG_REMOVE) { 8504 if (chatty) 8505 Log.d(TAG, "Unregistered content provider: " + names[j] 8506 + ", className = " + p.info.name + ", isSyncable = " 8507 + p.info.isSyncable); 8508 } 8509 } 8510 } 8511 if (DEBUG_REMOVE && chatty) { 8512 if (r == null) { 8513 r = new StringBuilder(256); 8514 } else { 8515 r.append(' '); 8516 } 8517 r.append(p.info.name); 8518 } 8519 } 8520 if (r != null) { 8521 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 8522 } 8523 8524 N = pkg.services.size(); 8525 r = null; 8526 for (i=0; i<N; i++) { 8527 PackageParser.Service s = pkg.services.get(i); 8528 mServices.removeService(s); 8529 if (chatty) { 8530 if (r == null) { 8531 r = new StringBuilder(256); 8532 } else { 8533 r.append(' '); 8534 } 8535 r.append(s.info.name); 8536 } 8537 } 8538 if (r != null) { 8539 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 8540 } 8541 8542 N = pkg.receivers.size(); 8543 r = null; 8544 for (i=0; i<N; i++) { 8545 PackageParser.Activity a = pkg.receivers.get(i); 8546 mReceivers.removeActivity(a, "receiver"); 8547 if (DEBUG_REMOVE && chatty) { 8548 if (r == null) { 8549 r = new StringBuilder(256); 8550 } else { 8551 r.append(' '); 8552 } 8553 r.append(a.info.name); 8554 } 8555 } 8556 if (r != null) { 8557 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 8558 } 8559 8560 N = pkg.activities.size(); 8561 r = null; 8562 for (i=0; i<N; i++) { 8563 PackageParser.Activity a = pkg.activities.get(i); 8564 mActivities.removeActivity(a, "activity"); 8565 if (DEBUG_REMOVE && chatty) { 8566 if (r == null) { 8567 r = new StringBuilder(256); 8568 } else { 8569 r.append(' '); 8570 } 8571 r.append(a.info.name); 8572 } 8573 } 8574 if (r != null) { 8575 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 8576 } 8577 8578 N = pkg.permissions.size(); 8579 r = null; 8580 for (i=0; i<N; i++) { 8581 PackageParser.Permission p = pkg.permissions.get(i); 8582 BasePermission bp = mSettings.mPermissions.get(p.info.name); 8583 if (bp == null) { 8584 bp = mSettings.mPermissionTrees.get(p.info.name); 8585 } 8586 if (bp != null && bp.perm == p) { 8587 bp.perm = null; 8588 if (DEBUG_REMOVE && chatty) { 8589 if (r == null) { 8590 r = new StringBuilder(256); 8591 } else { 8592 r.append(' '); 8593 } 8594 r.append(p.info.name); 8595 } 8596 } 8597 if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 8598 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(p.info.name); 8599 if (appOpPkgs != null) { 8600 appOpPkgs.remove(pkg.packageName); 8601 } 8602 } 8603 } 8604 if (r != null) { 8605 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 8606 } 8607 8608 N = pkg.requestedPermissions.size(); 8609 r = null; 8610 for (i=0; i<N; i++) { 8611 String perm = pkg.requestedPermissions.get(i); 8612 BasePermission bp = mSettings.mPermissions.get(perm); 8613 if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 8614 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(perm); 8615 if (appOpPkgs != null) { 8616 appOpPkgs.remove(pkg.packageName); 8617 if (appOpPkgs.isEmpty()) { 8618 mAppOpPermissionPackages.remove(perm); 8619 } 8620 } 8621 } 8622 } 8623 if (r != null) { 8624 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 8625 } 8626 8627 N = pkg.instrumentation.size(); 8628 r = null; 8629 for (i=0; i<N; i++) { 8630 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 8631 mInstrumentation.remove(a.getComponentName()); 8632 if (DEBUG_REMOVE && chatty) { 8633 if (r == null) { 8634 r = new StringBuilder(256); 8635 } else { 8636 r.append(' '); 8637 } 8638 r.append(a.info.name); 8639 } 8640 } 8641 if (r != null) { 8642 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 8643 } 8644 8645 r = null; 8646 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 8647 // Only system apps can hold shared libraries. 8648 if (pkg.libraryNames != null) { 8649 for (i=0; i<pkg.libraryNames.size(); i++) { 8650 String name = pkg.libraryNames.get(i); 8651 SharedLibraryEntry cur = mSharedLibraries.get(name); 8652 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 8653 mSharedLibraries.remove(name); 8654 if (DEBUG_REMOVE && chatty) { 8655 if (r == null) { 8656 r = new StringBuilder(256); 8657 } else { 8658 r.append(' '); 8659 } 8660 r.append(name); 8661 } 8662 } 8663 } 8664 } 8665 } 8666 if (r != null) { 8667 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 8668 } 8669 } 8670 8671 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 8672 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 8673 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 8674 return true; 8675 } 8676 } 8677 return false; 8678 } 8679 8680 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 8681 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 8682 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 8683 8684 private void updatePermissionsLPw(String changingPkg, PackageParser.Package pkgInfo, 8685 int flags) { 8686 final String volumeUuid = (pkgInfo != null) ? getVolumeUuidForPackage(pkgInfo) : null; 8687 updatePermissionsLPw(changingPkg, pkgInfo, volumeUuid, flags); 8688 } 8689 8690 private void updatePermissionsLPw(String changingPkg, 8691 PackageParser.Package pkgInfo, String replaceVolumeUuid, int flags) { 8692 // Make sure there are no dangling permission trees. 8693 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 8694 while (it.hasNext()) { 8695 final BasePermission bp = it.next(); 8696 if (bp.packageSetting == null) { 8697 // We may not yet have parsed the package, so just see if 8698 // we still know about its settings. 8699 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 8700 } 8701 if (bp.packageSetting == null) { 8702 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 8703 + " from package " + bp.sourcePackage); 8704 it.remove(); 8705 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 8706 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 8707 Slog.i(TAG, "Removing old permission tree: " + bp.name 8708 + " from package " + bp.sourcePackage); 8709 flags |= UPDATE_PERMISSIONS_ALL; 8710 it.remove(); 8711 } 8712 } 8713 } 8714 8715 // Make sure all dynamic permissions have been assigned to a package, 8716 // and make sure there are no dangling permissions. 8717 it = mSettings.mPermissions.values().iterator(); 8718 while (it.hasNext()) { 8719 final BasePermission bp = it.next(); 8720 if (bp.type == BasePermission.TYPE_DYNAMIC) { 8721 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 8722 + bp.name + " pkg=" + bp.sourcePackage 8723 + " info=" + bp.pendingInfo); 8724 if (bp.packageSetting == null && bp.pendingInfo != null) { 8725 final BasePermission tree = findPermissionTreeLP(bp.name); 8726 if (tree != null && tree.perm != null) { 8727 bp.packageSetting = tree.packageSetting; 8728 bp.perm = new PackageParser.Permission(tree.perm.owner, 8729 new PermissionInfo(bp.pendingInfo)); 8730 bp.perm.info.packageName = tree.perm.info.packageName; 8731 bp.perm.info.name = bp.name; 8732 bp.uid = tree.uid; 8733 } 8734 } 8735 } 8736 if (bp.packageSetting == null) { 8737 // We may not yet have parsed the package, so just see if 8738 // we still know about its settings. 8739 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 8740 } 8741 if (bp.packageSetting == null) { 8742 Slog.w(TAG, "Removing dangling permission: " + bp.name 8743 + " from package " + bp.sourcePackage); 8744 it.remove(); 8745 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 8746 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 8747 Slog.i(TAG, "Removing old permission: " + bp.name 8748 + " from package " + bp.sourcePackage); 8749 flags |= UPDATE_PERMISSIONS_ALL; 8750 it.remove(); 8751 } 8752 } 8753 } 8754 8755 // Now update the permissions for all packages, in particular 8756 // replace the granted permissions of the system packages. 8757 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 8758 for (PackageParser.Package pkg : mPackages.values()) { 8759 if (pkg != pkgInfo) { 8760 // Only replace for packages on requested volume 8761 final String volumeUuid = getVolumeUuidForPackage(pkg); 8762 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_ALL) != 0) 8763 && Objects.equals(replaceVolumeUuid, volumeUuid); 8764 grantPermissionsLPw(pkg, replace, changingPkg); 8765 } 8766 } 8767 } 8768 8769 if (pkgInfo != null) { 8770 // Only replace for packages on requested volume 8771 final String volumeUuid = getVolumeUuidForPackage(pkgInfo); 8772 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_PKG) != 0) 8773 && Objects.equals(replaceVolumeUuid, volumeUuid); 8774 grantPermissionsLPw(pkgInfo, replace, changingPkg); 8775 } 8776 } 8777 8778 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace, 8779 String packageOfInterest) { 8780 // IMPORTANT: There are two types of permissions: install and runtime. 8781 // Install time permissions are granted when the app is installed to 8782 // all device users and users added in the future. Runtime permissions 8783 // are granted at runtime explicitly to specific users. Normal and signature 8784 // protected permissions are install time permissions. Dangerous permissions 8785 // are install permissions if the app's target SDK is Lollipop MR1 or older, 8786 // otherwise they are runtime permissions. This function does not manage 8787 // runtime permissions except for the case an app targeting Lollipop MR1 8788 // being upgraded to target a newer SDK, in which case dangerous permissions 8789 // are transformed from install time to runtime ones. 8790 8791 final PackageSetting ps = (PackageSetting) pkg.mExtras; 8792 if (ps == null) { 8793 return; 8794 } 8795 8796 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "grantPermissions"); 8797 8798 PermissionsState permissionsState = ps.getPermissionsState(); 8799 PermissionsState origPermissions = permissionsState; 8800 8801 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 8802 8803 boolean runtimePermissionsRevoked = false; 8804 int[] changedRuntimePermissionUserIds = EMPTY_INT_ARRAY; 8805 8806 boolean changedInstallPermission = false; 8807 8808 if (replace) { 8809 ps.installPermissionsFixed = false; 8810 if (!ps.isSharedUser()) { 8811 origPermissions = new PermissionsState(permissionsState); 8812 permissionsState.reset(); 8813 } else { 8814 // We need to know only about runtime permission changes since the 8815 // calling code always writes the install permissions state but 8816 // the runtime ones are written only if changed. The only cases of 8817 // changed runtime permissions here are promotion of an install to 8818 // runtime and revocation of a runtime from a shared user. 8819 changedRuntimePermissionUserIds = revokeUnusedSharedUserPermissionsLPw( 8820 ps.sharedUser, UserManagerService.getInstance().getUserIds()); 8821 if (!ArrayUtils.isEmpty(changedRuntimePermissionUserIds)) { 8822 runtimePermissionsRevoked = true; 8823 } 8824 } 8825 } 8826 8827 permissionsState.setGlobalGids(mGlobalGids); 8828 8829 final int N = pkg.requestedPermissions.size(); 8830 for (int i=0; i<N; i++) { 8831 final String name = pkg.requestedPermissions.get(i); 8832 final BasePermission bp = mSettings.mPermissions.get(name); 8833 8834 if (DEBUG_INSTALL) { 8835 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 8836 } 8837 8838 if (bp == null || bp.packageSetting == null) { 8839 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 8840 Slog.w(TAG, "Unknown permission " + name 8841 + " in package " + pkg.packageName); 8842 } 8843 continue; 8844 } 8845 8846 final String perm = bp.name; 8847 boolean allowedSig = false; 8848 int grant = GRANT_DENIED; 8849 8850 // Keep track of app op permissions. 8851 if ((bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 8852 ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name); 8853 if (pkgs == null) { 8854 pkgs = new ArraySet<>(); 8855 mAppOpPermissionPackages.put(bp.name, pkgs); 8856 } 8857 pkgs.add(pkg.packageName); 8858 } 8859 8860 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 8861 final boolean appSupportsRuntimePermissions = pkg.applicationInfo.targetSdkVersion 8862 >= Build.VERSION_CODES.M; 8863 switch (level) { 8864 case PermissionInfo.PROTECTION_NORMAL: { 8865 // For all apps normal permissions are install time ones. 8866 grant = GRANT_INSTALL; 8867 } break; 8868 8869 case PermissionInfo.PROTECTION_DANGEROUS: { 8870 // If a permission review is required for legacy apps we represent 8871 // their permissions as always granted runtime ones since we need 8872 // to keep the review required permission flag per user while an 8873 // install permission's state is shared across all users. 8874 if (!appSupportsRuntimePermissions && !Build.PERMISSIONS_REVIEW_REQUIRED) { 8875 // For legacy apps dangerous permissions are install time ones. 8876 grant = GRANT_INSTALL; 8877 } else if (origPermissions.hasInstallPermission(bp.name)) { 8878 // For legacy apps that became modern, install becomes runtime. 8879 grant = GRANT_UPGRADE; 8880 } else if (mPromoteSystemApps 8881 && isSystemApp(ps) 8882 && mExistingSystemPackages.contains(ps.name)) { 8883 // For legacy system apps, install becomes runtime. 8884 // We cannot check hasInstallPermission() for system apps since those 8885 // permissions were granted implicitly and not persisted pre-M. 8886 grant = GRANT_UPGRADE; 8887 } else { 8888 // For modern apps keep runtime permissions unchanged. 8889 grant = GRANT_RUNTIME; 8890 } 8891 } break; 8892 8893 case PermissionInfo.PROTECTION_SIGNATURE: { 8894 // For all apps signature permissions are install time ones. 8895 allowedSig = grantSignaturePermission(perm, pkg, bp, origPermissions); 8896 if (allowedSig) { 8897 grant = GRANT_INSTALL; 8898 } 8899 } break; 8900 } 8901 8902 if (DEBUG_INSTALL) { 8903 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 8904 } 8905 8906 if (grant != GRANT_DENIED) { 8907 if (!isSystemApp(ps) && ps.installPermissionsFixed) { 8908 // If this is an existing, non-system package, then 8909 // we can't add any new permissions to it. 8910 if (!allowedSig && !origPermissions.hasInstallPermission(perm)) { 8911 // Except... if this is a permission that was added 8912 // to the platform (note: need to only do this when 8913 // updating the platform). 8914 if (!isNewPlatformPermissionForPackage(perm, pkg)) { 8915 grant = GRANT_DENIED; 8916 } 8917 } 8918 } 8919 8920 switch (grant) { 8921 case GRANT_INSTALL: { 8922 // Revoke this as runtime permission to handle the case of 8923 // a runtime permission being downgraded to an install one. Also in permission review mode we keep dangerous permissions for legacy apps 8924 for (int userId : UserManagerService.getInstance().getUserIds()) { 8925 if (origPermissions.getRuntimePermissionState( 8926 bp.name, userId) != null) { 8927 // Revoke the runtime permission and clear the flags. 8928 origPermissions.revokeRuntimePermission(bp, userId); 8929 origPermissions.updatePermissionFlags(bp, userId, 8930 PackageManager.MASK_PERMISSION_FLAGS, 0); 8931 // If we revoked a permission permission, we have to write. 8932 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 8933 changedRuntimePermissionUserIds, userId); 8934 } 8935 } 8936 // Grant an install permission. 8937 if (permissionsState.grantInstallPermission(bp) != 8938 PermissionsState.PERMISSION_OPERATION_FAILURE) { 8939 changedInstallPermission = true; 8940 } 8941 } break; 8942 8943 case GRANT_RUNTIME: { 8944 // Grant previously granted runtime permissions. 8945 for (int userId : UserManagerService.getInstance().getUserIds()) { 8946 PermissionState permissionState = origPermissions 8947 .getRuntimePermissionState(bp.name, userId); 8948 int flags = permissionState != null 8949 ? permissionState.getFlags() : 0; 8950 if (origPermissions.hasRuntimePermission(bp.name, userId)) { 8951 if (permissionsState.grantRuntimePermission(bp, userId) == 8952 PermissionsState.PERMISSION_OPERATION_FAILURE) { 8953 // If we cannot put the permission as it was, we have to write. 8954 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 8955 changedRuntimePermissionUserIds, userId); 8956 } 8957 // If the app supports runtime permissions no need for a review. 8958 if (Build.PERMISSIONS_REVIEW_REQUIRED 8959 && appSupportsRuntimePermissions 8960 && (flags & PackageManager 8961 .FLAG_PERMISSION_REVIEW_REQUIRED) != 0) { 8962 flags &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 8963 // Since we changed the flags, we have to write. 8964 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 8965 changedRuntimePermissionUserIds, userId); 8966 } 8967 } else if (Build.PERMISSIONS_REVIEW_REQUIRED 8968 && !appSupportsRuntimePermissions) { 8969 // For legacy apps that need a permission review, every new 8970 // runtime permission is granted but it is pending a review. 8971 if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 8972 permissionsState.grantRuntimePermission(bp, userId); 8973 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 8974 // We changed the permission and flags, hence have to write. 8975 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 8976 changedRuntimePermissionUserIds, userId); 8977 } 8978 } 8979 // Propagate the permission flags. 8980 permissionsState.updatePermissionFlags(bp, userId, flags, flags); 8981 } 8982 } break; 8983 8984 case GRANT_UPGRADE: { 8985 // Grant runtime permissions for a previously held install permission. 8986 PermissionState permissionState = origPermissions 8987 .getInstallPermissionState(bp.name); 8988 final int flags = permissionState != null ? permissionState.getFlags() : 0; 8989 8990 if (origPermissions.revokeInstallPermission(bp) 8991 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 8992 // We will be transferring the permission flags, so clear them. 8993 origPermissions.updatePermissionFlags(bp, UserHandle.USER_ALL, 8994 PackageManager.MASK_PERMISSION_FLAGS, 0); 8995 changedInstallPermission = true; 8996 } 8997 8998 // If the permission is not to be promoted to runtime we ignore it and 8999 // also its other flags as they are not applicable to install permissions. 9000 if ((flags & PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE) == 0) { 9001 for (int userId : currentUserIds) { 9002 if (permissionsState.grantRuntimePermission(bp, userId) != 9003 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9004 // Transfer the permission flags. 9005 permissionsState.updatePermissionFlags(bp, userId, 9006 flags, flags); 9007 // If we granted the permission, we have to write. 9008 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9009 changedRuntimePermissionUserIds, userId); 9010 } 9011 } 9012 } 9013 } break; 9014 9015 default: { 9016 if (packageOfInterest == null 9017 || packageOfInterest.equals(pkg.packageName)) { 9018 Slog.w(TAG, "Not granting permission " + perm 9019 + " to package " + pkg.packageName 9020 + " because it was previously installed without"); 9021 } 9022 } break; 9023 } 9024 } else { 9025 if (permissionsState.revokeInstallPermission(bp) != 9026 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9027 // Also drop the permission flags. 9028 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 9029 PackageManager.MASK_PERMISSION_FLAGS, 0); 9030 changedInstallPermission = true; 9031 Slog.i(TAG, "Un-granting permission " + perm 9032 + " from package " + pkg.packageName 9033 + " (protectionLevel=" + bp.protectionLevel 9034 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 9035 + ")"); 9036 } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) { 9037 // Don't print warning for app op permissions, since it is fine for them 9038 // not to be granted, there is a UI for the user to decide. 9039 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 9040 Slog.w(TAG, "Not granting permission " + perm 9041 + " to package " + pkg.packageName 9042 + " (protectionLevel=" + bp.protectionLevel 9043 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 9044 + ")"); 9045 } 9046 } 9047 } 9048 } 9049 9050 if ((changedInstallPermission || replace) && !ps.installPermissionsFixed && 9051 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 9052 // This is the first that we have heard about this package, so the 9053 // permissions we have now selected are fixed until explicitly 9054 // changed. 9055 ps.installPermissionsFixed = true; 9056 } 9057 9058 // Persist the runtime permissions state for users with changes. If permissions 9059 // were revoked because no app in the shared user declares them we have to 9060 // write synchronously to avoid losing runtime permissions state. 9061 for (int userId : changedRuntimePermissionUserIds) { 9062 mSettings.writeRuntimePermissionsForUserLPr(userId, runtimePermissionsRevoked); 9063 } 9064 9065 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9066 } 9067 9068 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 9069 boolean allowed = false; 9070 final int NP = PackageParser.NEW_PERMISSIONS.length; 9071 for (int ip=0; ip<NP; ip++) { 9072 final PackageParser.NewPermissionInfo npi 9073 = PackageParser.NEW_PERMISSIONS[ip]; 9074 if (npi.name.equals(perm) 9075 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 9076 allowed = true; 9077 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 9078 + pkg.packageName); 9079 break; 9080 } 9081 } 9082 return allowed; 9083 } 9084 9085 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 9086 BasePermission bp, PermissionsState origPermissions) { 9087 boolean allowed; 9088 allowed = (compareSignatures( 9089 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 9090 == PackageManager.SIGNATURE_MATCH) 9091 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 9092 == PackageManager.SIGNATURE_MATCH); 9093 if (!allowed && (bp.protectionLevel 9094 & PermissionInfo.PROTECTION_FLAG_PRIVILEGED) != 0) { 9095 if (isSystemApp(pkg)) { 9096 // For updated system applications, a system permission 9097 // is granted only if it had been defined by the original application. 9098 if (pkg.isUpdatedSystemApp()) { 9099 final PackageSetting sysPs = mSettings 9100 .getDisabledSystemPkgLPr(pkg.packageName); 9101 if (sysPs.getPermissionsState().hasInstallPermission(perm)) { 9102 // If the original was granted this permission, we take 9103 // that grant decision as read and propagate it to the 9104 // update. 9105 if (sysPs.isPrivileged()) { 9106 allowed = true; 9107 } 9108 } else { 9109 // The system apk may have been updated with an older 9110 // version of the one on the data partition, but which 9111 // granted a new system permission that it didn't have 9112 // before. In this case we do want to allow the app to 9113 // now get the new permission if the ancestral apk is 9114 // privileged to get it. 9115 if (sysPs.pkg != null && sysPs.isPrivileged()) { 9116 for (int j=0; 9117 j<sysPs.pkg.requestedPermissions.size(); j++) { 9118 if (perm.equals( 9119 sysPs.pkg.requestedPermissions.get(j))) { 9120 allowed = true; 9121 break; 9122 } 9123 } 9124 } 9125 } 9126 } else { 9127 allowed = isPrivilegedApp(pkg); 9128 } 9129 } 9130 } 9131 if (!allowed) { 9132 if (!allowed && (bp.protectionLevel 9133 & PermissionInfo.PROTECTION_FLAG_PRE23) != 0 9134 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 9135 // If this was a previously normal/dangerous permission that got moved 9136 // to a system permission as part of the runtime permission redesign, then 9137 // we still want to blindly grant it to old apps. 9138 allowed = true; 9139 } 9140 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_INSTALLER) != 0 9141 && pkg.packageName.equals(mRequiredInstallerPackage)) { 9142 // If this permission is to be granted to the system installer and 9143 // this app is an installer, then it gets the permission. 9144 allowed = true; 9145 } 9146 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_VERIFIER) != 0 9147 && pkg.packageName.equals(mRequiredVerifierPackage)) { 9148 // If this permission is to be granted to the system verifier and 9149 // this app is a verifier, then it gets the permission. 9150 allowed = true; 9151 } 9152 if (!allowed && (bp.protectionLevel 9153 & PermissionInfo.PROTECTION_FLAG_PREINSTALLED) != 0 9154 && isSystemApp(pkg)) { 9155 // Any pre-installed system app is allowed to get this permission. 9156 allowed = true; 9157 } 9158 if (!allowed && (bp.protectionLevel 9159 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 9160 // For development permissions, a development permission 9161 // is granted only if it was already granted. 9162 allowed = origPermissions.hasInstallPermission(perm); 9163 } 9164 } 9165 return allowed; 9166 } 9167 9168 final class ActivityIntentResolver 9169 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 9170 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 9171 boolean defaultOnly, int userId) { 9172 if (!sUserManager.exists(userId)) return null; 9173 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 9174 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 9175 } 9176 9177 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 9178 int userId) { 9179 if (!sUserManager.exists(userId)) return null; 9180 mFlags = flags; 9181 return super.queryIntent(intent, resolvedType, 9182 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 9183 } 9184 9185 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 9186 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 9187 if (!sUserManager.exists(userId)) return null; 9188 if (packageActivities == null) { 9189 return null; 9190 } 9191 mFlags = flags; 9192 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 9193 final int N = packageActivities.size(); 9194 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 9195 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 9196 9197 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 9198 for (int i = 0; i < N; ++i) { 9199 intentFilters = packageActivities.get(i).intents; 9200 if (intentFilters != null && intentFilters.size() > 0) { 9201 PackageParser.ActivityIntentInfo[] array = 9202 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 9203 intentFilters.toArray(array); 9204 listCut.add(array); 9205 } 9206 } 9207 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 9208 } 9209 9210 public final void addActivity(PackageParser.Activity a, String type) { 9211 final boolean systemApp = a.info.applicationInfo.isSystemApp(); 9212 mActivities.put(a.getComponentName(), a); 9213 if (DEBUG_SHOW_INFO) 9214 Log.v( 9215 TAG, " " + type + " " + 9216 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 9217 if (DEBUG_SHOW_INFO) 9218 Log.v(TAG, " Class=" + a.info.name); 9219 final int NI = a.intents.size(); 9220 for (int j=0; j<NI; j++) { 9221 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 9222 if (!systemApp && intent.getPriority() > 0 && "activity".equals(type)) { 9223 intent.setPriority(0); 9224 Log.w(TAG, "Package " + a.info.applicationInfo.packageName + " has activity " 9225 + a.className + " with priority > 0, forcing to 0"); 9226 } 9227 if (DEBUG_SHOW_INFO) { 9228 Log.v(TAG, " IntentFilter:"); 9229 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 9230 } 9231 if (!intent.debugCheck()) { 9232 Log.w(TAG, "==> For Activity " + a.info.name); 9233 } 9234 addFilter(intent); 9235 } 9236 } 9237 9238 public final void removeActivity(PackageParser.Activity a, String type) { 9239 mActivities.remove(a.getComponentName()); 9240 if (DEBUG_SHOW_INFO) { 9241 Log.v(TAG, " " + type + " " 9242 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 9243 : a.info.name) + ":"); 9244 Log.v(TAG, " Class=" + a.info.name); 9245 } 9246 final int NI = a.intents.size(); 9247 for (int j=0; j<NI; j++) { 9248 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 9249 if (DEBUG_SHOW_INFO) { 9250 Log.v(TAG, " IntentFilter:"); 9251 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 9252 } 9253 removeFilter(intent); 9254 } 9255 } 9256 9257 @Override 9258 protected boolean allowFilterResult( 9259 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 9260 ActivityInfo filterAi = filter.activity.info; 9261 for (int i=dest.size()-1; i>=0; i--) { 9262 ActivityInfo destAi = dest.get(i).activityInfo; 9263 if (destAi.name == filterAi.name 9264 && destAi.packageName == filterAi.packageName) { 9265 return false; 9266 } 9267 } 9268 return true; 9269 } 9270 9271 @Override 9272 protected ActivityIntentInfo[] newArray(int size) { 9273 return new ActivityIntentInfo[size]; 9274 } 9275 9276 @Override 9277 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 9278 if (!sUserManager.exists(userId)) return true; 9279 PackageParser.Package p = filter.activity.owner; 9280 if (p != null) { 9281 PackageSetting ps = (PackageSetting)p.mExtras; 9282 if (ps != null) { 9283 // System apps are never considered stopped for purposes of 9284 // filtering, because there may be no way for the user to 9285 // actually re-launch them. 9286 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 9287 && ps.getStopped(userId); 9288 } 9289 } 9290 return false; 9291 } 9292 9293 @Override 9294 protected boolean isPackageForFilter(String packageName, 9295 PackageParser.ActivityIntentInfo info) { 9296 return packageName.equals(info.activity.owner.packageName); 9297 } 9298 9299 @Override 9300 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 9301 int match, int userId) { 9302 if (!sUserManager.exists(userId)) return null; 9303 if (!mSettings.isEnabledAndMatchLPr(info.activity.info, mFlags, userId)) { 9304 return null; 9305 } 9306 final PackageParser.Activity activity = info.activity; 9307 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 9308 if (ps == null) { 9309 return null; 9310 } 9311 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 9312 ps.readUserState(userId), userId); 9313 if (ai == null) { 9314 return null; 9315 } 9316 final ResolveInfo res = new ResolveInfo(); 9317 res.activityInfo = ai; 9318 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 9319 res.filter = info; 9320 } 9321 if (info != null) { 9322 res.handleAllWebDataURI = info.handleAllWebDataURI(); 9323 } 9324 res.priority = info.getPriority(); 9325 res.preferredOrder = activity.owner.mPreferredOrder; 9326 //System.out.println("Result: " + res.activityInfo.className + 9327 // " = " + res.priority); 9328 res.match = match; 9329 res.isDefault = info.hasDefault; 9330 res.labelRes = info.labelRes; 9331 res.nonLocalizedLabel = info.nonLocalizedLabel; 9332 if (userNeedsBadging(userId)) { 9333 res.noResourceId = true; 9334 } else { 9335 res.icon = info.icon; 9336 } 9337 res.iconResourceId = info.icon; 9338 res.system = res.activityInfo.applicationInfo.isSystemApp(); 9339 return res; 9340 } 9341 9342 @Override 9343 protected void sortResults(List<ResolveInfo> results) { 9344 Collections.sort(results, mResolvePrioritySorter); 9345 } 9346 9347 @Override 9348 protected void dumpFilter(PrintWriter out, String prefix, 9349 PackageParser.ActivityIntentInfo filter) { 9350 out.print(prefix); out.print( 9351 Integer.toHexString(System.identityHashCode(filter.activity))); 9352 out.print(' '); 9353 filter.activity.printComponentShortName(out); 9354 out.print(" filter "); 9355 out.println(Integer.toHexString(System.identityHashCode(filter))); 9356 } 9357 9358 @Override 9359 protected Object filterToLabel(PackageParser.ActivityIntentInfo filter) { 9360 return filter.activity; 9361 } 9362 9363 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 9364 PackageParser.Activity activity = (PackageParser.Activity)label; 9365 out.print(prefix); out.print( 9366 Integer.toHexString(System.identityHashCode(activity))); 9367 out.print(' '); 9368 activity.printComponentShortName(out); 9369 if (count > 1) { 9370 out.print(" ("); out.print(count); out.print(" filters)"); 9371 } 9372 out.println(); 9373 } 9374 9375// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 9376// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 9377// final List<ResolveInfo> retList = Lists.newArrayList(); 9378// while (i.hasNext()) { 9379// final ResolveInfo resolveInfo = i.next(); 9380// if (isEnabledLP(resolveInfo.activityInfo)) { 9381// retList.add(resolveInfo); 9382// } 9383// } 9384// return retList; 9385// } 9386 9387 // Keys are String (activity class name), values are Activity. 9388 private final ArrayMap<ComponentName, PackageParser.Activity> mActivities 9389 = new ArrayMap<ComponentName, PackageParser.Activity>(); 9390 private int mFlags; 9391 } 9392 9393 private final class ServiceIntentResolver 9394 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 9395 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 9396 boolean defaultOnly, int userId) { 9397 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 9398 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 9399 } 9400 9401 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 9402 int userId) { 9403 if (!sUserManager.exists(userId)) return null; 9404 mFlags = flags; 9405 return super.queryIntent(intent, resolvedType, 9406 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 9407 } 9408 9409 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 9410 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 9411 if (!sUserManager.exists(userId)) return null; 9412 if (packageServices == null) { 9413 return null; 9414 } 9415 mFlags = flags; 9416 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 9417 final int N = packageServices.size(); 9418 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 9419 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 9420 9421 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 9422 for (int i = 0; i < N; ++i) { 9423 intentFilters = packageServices.get(i).intents; 9424 if (intentFilters != null && intentFilters.size() > 0) { 9425 PackageParser.ServiceIntentInfo[] array = 9426 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 9427 intentFilters.toArray(array); 9428 listCut.add(array); 9429 } 9430 } 9431 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 9432 } 9433 9434 public final void addService(PackageParser.Service s) { 9435 mServices.put(s.getComponentName(), s); 9436 if (DEBUG_SHOW_INFO) { 9437 Log.v(TAG, " " 9438 + (s.info.nonLocalizedLabel != null 9439 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 9440 Log.v(TAG, " Class=" + s.info.name); 9441 } 9442 final int NI = s.intents.size(); 9443 int j; 9444 for (j=0; j<NI; j++) { 9445 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 9446 if (DEBUG_SHOW_INFO) { 9447 Log.v(TAG, " IntentFilter:"); 9448 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 9449 } 9450 if (!intent.debugCheck()) { 9451 Log.w(TAG, "==> For Service " + s.info.name); 9452 } 9453 addFilter(intent); 9454 } 9455 } 9456 9457 public final void removeService(PackageParser.Service s) { 9458 mServices.remove(s.getComponentName()); 9459 if (DEBUG_SHOW_INFO) { 9460 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 9461 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 9462 Log.v(TAG, " Class=" + s.info.name); 9463 } 9464 final int NI = s.intents.size(); 9465 int j; 9466 for (j=0; j<NI; j++) { 9467 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 9468 if (DEBUG_SHOW_INFO) { 9469 Log.v(TAG, " IntentFilter:"); 9470 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 9471 } 9472 removeFilter(intent); 9473 } 9474 } 9475 9476 @Override 9477 protected boolean allowFilterResult( 9478 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 9479 ServiceInfo filterSi = filter.service.info; 9480 for (int i=dest.size()-1; i>=0; i--) { 9481 ServiceInfo destAi = dest.get(i).serviceInfo; 9482 if (destAi.name == filterSi.name 9483 && destAi.packageName == filterSi.packageName) { 9484 return false; 9485 } 9486 } 9487 return true; 9488 } 9489 9490 @Override 9491 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 9492 return new PackageParser.ServiceIntentInfo[size]; 9493 } 9494 9495 @Override 9496 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 9497 if (!sUserManager.exists(userId)) return true; 9498 PackageParser.Package p = filter.service.owner; 9499 if (p != null) { 9500 PackageSetting ps = (PackageSetting)p.mExtras; 9501 if (ps != null) { 9502 // System apps are never considered stopped for purposes of 9503 // filtering, because there may be no way for the user to 9504 // actually re-launch them. 9505 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 9506 && ps.getStopped(userId); 9507 } 9508 } 9509 return false; 9510 } 9511 9512 @Override 9513 protected boolean isPackageForFilter(String packageName, 9514 PackageParser.ServiceIntentInfo info) { 9515 return packageName.equals(info.service.owner.packageName); 9516 } 9517 9518 @Override 9519 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 9520 int match, int userId) { 9521 if (!sUserManager.exists(userId)) return null; 9522 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 9523 if (!mSettings.isEnabledAndMatchLPr(info.service.info, mFlags, userId)) { 9524 return null; 9525 } 9526 final PackageParser.Service service = info.service; 9527 PackageSetting ps = (PackageSetting) service.owner.mExtras; 9528 if (ps == null) { 9529 return null; 9530 } 9531 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 9532 ps.readUserState(userId), userId); 9533 if (si == null) { 9534 return null; 9535 } 9536 final ResolveInfo res = new ResolveInfo(); 9537 res.serviceInfo = si; 9538 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 9539 res.filter = filter; 9540 } 9541 res.priority = info.getPriority(); 9542 res.preferredOrder = service.owner.mPreferredOrder; 9543 res.match = match; 9544 res.isDefault = info.hasDefault; 9545 res.labelRes = info.labelRes; 9546 res.nonLocalizedLabel = info.nonLocalizedLabel; 9547 res.icon = info.icon; 9548 res.system = res.serviceInfo.applicationInfo.isSystemApp(); 9549 return res; 9550 } 9551 9552 @Override 9553 protected void sortResults(List<ResolveInfo> results) { 9554 Collections.sort(results, mResolvePrioritySorter); 9555 } 9556 9557 @Override 9558 protected void dumpFilter(PrintWriter out, String prefix, 9559 PackageParser.ServiceIntentInfo filter) { 9560 out.print(prefix); out.print( 9561 Integer.toHexString(System.identityHashCode(filter.service))); 9562 out.print(' '); 9563 filter.service.printComponentShortName(out); 9564 out.print(" filter "); 9565 out.println(Integer.toHexString(System.identityHashCode(filter))); 9566 } 9567 9568 @Override 9569 protected Object filterToLabel(PackageParser.ServiceIntentInfo filter) { 9570 return filter.service; 9571 } 9572 9573 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 9574 PackageParser.Service service = (PackageParser.Service)label; 9575 out.print(prefix); out.print( 9576 Integer.toHexString(System.identityHashCode(service))); 9577 out.print(' '); 9578 service.printComponentShortName(out); 9579 if (count > 1) { 9580 out.print(" ("); out.print(count); out.print(" filters)"); 9581 } 9582 out.println(); 9583 } 9584 9585// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 9586// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 9587// final List<ResolveInfo> retList = Lists.newArrayList(); 9588// while (i.hasNext()) { 9589// final ResolveInfo resolveInfo = (ResolveInfo) i; 9590// if (isEnabledLP(resolveInfo.serviceInfo)) { 9591// retList.add(resolveInfo); 9592// } 9593// } 9594// return retList; 9595// } 9596 9597 // Keys are String (activity class name), values are Activity. 9598 private final ArrayMap<ComponentName, PackageParser.Service> mServices 9599 = new ArrayMap<ComponentName, PackageParser.Service>(); 9600 private int mFlags; 9601 }; 9602 9603 private final class ProviderIntentResolver 9604 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 9605 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 9606 boolean defaultOnly, int userId) { 9607 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 9608 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 9609 } 9610 9611 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 9612 int userId) { 9613 if (!sUserManager.exists(userId)) 9614 return null; 9615 mFlags = flags; 9616 return super.queryIntent(intent, resolvedType, 9617 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 9618 } 9619 9620 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 9621 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 9622 if (!sUserManager.exists(userId)) 9623 return null; 9624 if (packageProviders == null) { 9625 return null; 9626 } 9627 mFlags = flags; 9628 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 9629 final int N = packageProviders.size(); 9630 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 9631 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 9632 9633 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 9634 for (int i = 0; i < N; ++i) { 9635 intentFilters = packageProviders.get(i).intents; 9636 if (intentFilters != null && intentFilters.size() > 0) { 9637 PackageParser.ProviderIntentInfo[] array = 9638 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 9639 intentFilters.toArray(array); 9640 listCut.add(array); 9641 } 9642 } 9643 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 9644 } 9645 9646 public final void addProvider(PackageParser.Provider p) { 9647 if (mProviders.containsKey(p.getComponentName())) { 9648 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 9649 return; 9650 } 9651 9652 mProviders.put(p.getComponentName(), p); 9653 if (DEBUG_SHOW_INFO) { 9654 Log.v(TAG, " " 9655 + (p.info.nonLocalizedLabel != null 9656 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 9657 Log.v(TAG, " Class=" + p.info.name); 9658 } 9659 final int NI = p.intents.size(); 9660 int j; 9661 for (j = 0; j < NI; j++) { 9662 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 9663 if (DEBUG_SHOW_INFO) { 9664 Log.v(TAG, " IntentFilter:"); 9665 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 9666 } 9667 if (!intent.debugCheck()) { 9668 Log.w(TAG, "==> For Provider " + p.info.name); 9669 } 9670 addFilter(intent); 9671 } 9672 } 9673 9674 public final void removeProvider(PackageParser.Provider p) { 9675 mProviders.remove(p.getComponentName()); 9676 if (DEBUG_SHOW_INFO) { 9677 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 9678 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 9679 Log.v(TAG, " Class=" + p.info.name); 9680 } 9681 final int NI = p.intents.size(); 9682 int j; 9683 for (j = 0; j < NI; j++) { 9684 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 9685 if (DEBUG_SHOW_INFO) { 9686 Log.v(TAG, " IntentFilter:"); 9687 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 9688 } 9689 removeFilter(intent); 9690 } 9691 } 9692 9693 @Override 9694 protected boolean allowFilterResult( 9695 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 9696 ProviderInfo filterPi = filter.provider.info; 9697 for (int i = dest.size() - 1; i >= 0; i--) { 9698 ProviderInfo destPi = dest.get(i).providerInfo; 9699 if (destPi.name == filterPi.name 9700 && destPi.packageName == filterPi.packageName) { 9701 return false; 9702 } 9703 } 9704 return true; 9705 } 9706 9707 @Override 9708 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 9709 return new PackageParser.ProviderIntentInfo[size]; 9710 } 9711 9712 @Override 9713 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 9714 if (!sUserManager.exists(userId)) 9715 return true; 9716 PackageParser.Package p = filter.provider.owner; 9717 if (p != null) { 9718 PackageSetting ps = (PackageSetting) p.mExtras; 9719 if (ps != null) { 9720 // System apps are never considered stopped for purposes of 9721 // filtering, because there may be no way for the user to 9722 // actually re-launch them. 9723 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 9724 && ps.getStopped(userId); 9725 } 9726 } 9727 return false; 9728 } 9729 9730 @Override 9731 protected boolean isPackageForFilter(String packageName, 9732 PackageParser.ProviderIntentInfo info) { 9733 return packageName.equals(info.provider.owner.packageName); 9734 } 9735 9736 @Override 9737 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 9738 int match, int userId) { 9739 if (!sUserManager.exists(userId)) 9740 return null; 9741 final PackageParser.ProviderIntentInfo info = filter; 9742 if (!mSettings.isEnabledAndMatchLPr(info.provider.info, mFlags, userId)) { 9743 return null; 9744 } 9745 final PackageParser.Provider provider = info.provider; 9746 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 9747 if (ps == null) { 9748 return null; 9749 } 9750 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 9751 ps.readUserState(userId), userId); 9752 if (pi == null) { 9753 return null; 9754 } 9755 final ResolveInfo res = new ResolveInfo(); 9756 res.providerInfo = pi; 9757 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 9758 res.filter = filter; 9759 } 9760 res.priority = info.getPriority(); 9761 res.preferredOrder = provider.owner.mPreferredOrder; 9762 res.match = match; 9763 res.isDefault = info.hasDefault; 9764 res.labelRes = info.labelRes; 9765 res.nonLocalizedLabel = info.nonLocalizedLabel; 9766 res.icon = info.icon; 9767 res.system = res.providerInfo.applicationInfo.isSystemApp(); 9768 return res; 9769 } 9770 9771 @Override 9772 protected void sortResults(List<ResolveInfo> results) { 9773 Collections.sort(results, mResolvePrioritySorter); 9774 } 9775 9776 @Override 9777 protected void dumpFilter(PrintWriter out, String prefix, 9778 PackageParser.ProviderIntentInfo filter) { 9779 out.print(prefix); 9780 out.print( 9781 Integer.toHexString(System.identityHashCode(filter.provider))); 9782 out.print(' '); 9783 filter.provider.printComponentShortName(out); 9784 out.print(" filter "); 9785 out.println(Integer.toHexString(System.identityHashCode(filter))); 9786 } 9787 9788 @Override 9789 protected Object filterToLabel(PackageParser.ProviderIntentInfo filter) { 9790 return filter.provider; 9791 } 9792 9793 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 9794 PackageParser.Provider provider = (PackageParser.Provider)label; 9795 out.print(prefix); out.print( 9796 Integer.toHexString(System.identityHashCode(provider))); 9797 out.print(' '); 9798 provider.printComponentShortName(out); 9799 if (count > 1) { 9800 out.print(" ("); out.print(count); out.print(" filters)"); 9801 } 9802 out.println(); 9803 } 9804 9805 private final ArrayMap<ComponentName, PackageParser.Provider> mProviders 9806 = new ArrayMap<ComponentName, PackageParser.Provider>(); 9807 private int mFlags; 9808 } 9809 9810 private static final class EphemeralIntentResolver 9811 extends IntentResolver<EphemeralResolveIntentInfo, EphemeralResolveInfo> { 9812 @Override 9813 protected EphemeralResolveIntentInfo[] newArray(int size) { 9814 return new EphemeralResolveIntentInfo[size]; 9815 } 9816 9817 @Override 9818 protected boolean isPackageForFilter(String packageName, EphemeralResolveIntentInfo info) { 9819 return true; 9820 } 9821 9822 @Override 9823 protected EphemeralResolveInfo newResult(EphemeralResolveIntentInfo info, int match, 9824 int userId) { 9825 if (!sUserManager.exists(userId)) { 9826 return null; 9827 } 9828 return info.getEphemeralResolveInfo(); 9829 } 9830 } 9831 9832 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 9833 new Comparator<ResolveInfo>() { 9834 public int compare(ResolveInfo r1, ResolveInfo r2) { 9835 int v1 = r1.priority; 9836 int v2 = r2.priority; 9837 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 9838 if (v1 != v2) { 9839 return (v1 > v2) ? -1 : 1; 9840 } 9841 v1 = r1.preferredOrder; 9842 v2 = r2.preferredOrder; 9843 if (v1 != v2) { 9844 return (v1 > v2) ? -1 : 1; 9845 } 9846 if (r1.isDefault != r2.isDefault) { 9847 return r1.isDefault ? -1 : 1; 9848 } 9849 v1 = r1.match; 9850 v2 = r2.match; 9851 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 9852 if (v1 != v2) { 9853 return (v1 > v2) ? -1 : 1; 9854 } 9855 if (r1.system != r2.system) { 9856 return r1.system ? -1 : 1; 9857 } 9858 if (r1.activityInfo != null) { 9859 return r1.activityInfo.packageName.compareTo(r2.activityInfo.packageName); 9860 } 9861 if (r1.serviceInfo != null) { 9862 return r1.serviceInfo.packageName.compareTo(r2.serviceInfo.packageName); 9863 } 9864 if (r1.providerInfo != null) { 9865 return r1.providerInfo.packageName.compareTo(r2.providerInfo.packageName); 9866 } 9867 return 0; 9868 } 9869 }; 9870 9871 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 9872 new Comparator<ProviderInfo>() { 9873 public int compare(ProviderInfo p1, ProviderInfo p2) { 9874 final int v1 = p1.initOrder; 9875 final int v2 = p2.initOrder; 9876 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 9877 } 9878 }; 9879 9880 final void sendPackageBroadcast(final String action, final String pkg, final Bundle extras, 9881 final int flags, final String targetPkg, final IIntentReceiver finishedReceiver, 9882 final int[] userIds) { 9883 mHandler.post(new Runnable() { 9884 @Override 9885 public void run() { 9886 try { 9887 final IActivityManager am = ActivityManagerNative.getDefault(); 9888 if (am == null) return; 9889 final int[] resolvedUserIds; 9890 if (userIds == null) { 9891 resolvedUserIds = am.getRunningUserIds(); 9892 } else { 9893 resolvedUserIds = userIds; 9894 } 9895 for (int id : resolvedUserIds) { 9896 final Intent intent = new Intent(action, 9897 pkg != null ? Uri.fromParts("package", pkg, null) : null); 9898 if (extras != null) { 9899 intent.putExtras(extras); 9900 } 9901 if (targetPkg != null) { 9902 intent.setPackage(targetPkg); 9903 } 9904 // Modify the UID when posting to other users 9905 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 9906 if (uid > 0 && UserHandle.getUserId(uid) != id) { 9907 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 9908 intent.putExtra(Intent.EXTRA_UID, uid); 9909 } 9910 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 9911 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT | flags); 9912 if (DEBUG_BROADCASTS) { 9913 RuntimeException here = new RuntimeException("here"); 9914 here.fillInStackTrace(); 9915 Slog.d(TAG, "Sending to user " + id + ": " 9916 + intent.toShortString(false, true, false, false) 9917 + " " + intent.getExtras(), here); 9918 } 9919 am.broadcastIntent(null, intent, null, finishedReceiver, 9920 0, null, null, null, android.app.AppOpsManager.OP_NONE, 9921 null, finishedReceiver != null, false, id); 9922 } 9923 } catch (RemoteException ex) { 9924 } 9925 } 9926 }); 9927 } 9928 9929 /** 9930 * Check if the external storage media is available. This is true if there 9931 * is a mounted external storage medium or if the external storage is 9932 * emulated. 9933 */ 9934 private boolean isExternalMediaAvailable() { 9935 return mMediaMounted || Environment.isExternalStorageEmulated(); 9936 } 9937 9938 @Override 9939 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 9940 // writer 9941 synchronized (mPackages) { 9942 if (!isExternalMediaAvailable()) { 9943 // If the external storage is no longer mounted at this point, 9944 // the caller may not have been able to delete all of this 9945 // packages files and can not delete any more. Bail. 9946 return null; 9947 } 9948 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 9949 if (lastPackage != null) { 9950 pkgs.remove(lastPackage); 9951 } 9952 if (pkgs.size() > 0) { 9953 return pkgs.get(0); 9954 } 9955 } 9956 return null; 9957 } 9958 9959 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 9960 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 9961 userId, andCode ? 1 : 0, packageName); 9962 if (mSystemReady) { 9963 msg.sendToTarget(); 9964 } else { 9965 if (mPostSystemReadyMessages == null) { 9966 mPostSystemReadyMessages = new ArrayList<>(); 9967 } 9968 mPostSystemReadyMessages.add(msg); 9969 } 9970 } 9971 9972 void startCleaningPackages() { 9973 // reader 9974 synchronized (mPackages) { 9975 if (!isExternalMediaAvailable()) { 9976 return; 9977 } 9978 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 9979 return; 9980 } 9981 } 9982 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 9983 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 9984 IActivityManager am = ActivityManagerNative.getDefault(); 9985 if (am != null) { 9986 try { 9987 am.startService(null, intent, null, mContext.getOpPackageName(), 9988 UserHandle.USER_SYSTEM); 9989 } catch (RemoteException e) { 9990 } 9991 } 9992 } 9993 9994 @Override 9995 public void installPackage(String originPath, IPackageInstallObserver2 observer, 9996 int installFlags, String installerPackageName, VerificationParams verificationParams, 9997 String packageAbiOverride) { 9998 installPackageAsUser(originPath, observer, installFlags, installerPackageName, 9999 verificationParams, packageAbiOverride, UserHandle.getCallingUserId()); 10000 } 10001 10002 @Override 10003 public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer, 10004 int installFlags, String installerPackageName, VerificationParams verificationParams, 10005 String packageAbiOverride, int userId) { 10006 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 10007 10008 final int callingUid = Binder.getCallingUid(); 10009 enforceCrossUserPermission(callingUid, userId, true, true, "installPackageAsUser"); 10010 10011 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 10012 try { 10013 if (observer != null) { 10014 observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null); 10015 } 10016 } catch (RemoteException re) { 10017 } 10018 return; 10019 } 10020 10021 if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) { 10022 installFlags |= PackageManager.INSTALL_FROM_ADB; 10023 10024 } else { 10025 // Caller holds INSTALL_PACKAGES permission, so we're less strict 10026 // about installerPackageName. 10027 10028 installFlags &= ~PackageManager.INSTALL_FROM_ADB; 10029 installFlags &= ~PackageManager.INSTALL_ALL_USERS; 10030 } 10031 10032 UserHandle user; 10033 if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) { 10034 user = UserHandle.ALL; 10035 } else { 10036 user = new UserHandle(userId); 10037 } 10038 10039 // Only system components can circumvent runtime permissions when installing. 10040 if ((installFlags & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0 10041 && mContext.checkCallingOrSelfPermission(Manifest.permission 10042 .INSTALL_GRANT_RUNTIME_PERMISSIONS) == PackageManager.PERMISSION_DENIED) { 10043 throw new SecurityException("You need the " 10044 + "android.permission.INSTALL_GRANT_RUNTIME_PERMISSIONS permission " 10045 + "to use the PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS flag"); 10046 } 10047 10048 verificationParams.setInstallerUid(callingUid); 10049 10050 final File originFile = new File(originPath); 10051 final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile); 10052 10053 final Message msg = mHandler.obtainMessage(INIT_COPY); 10054 final InstallParams params = new InstallParams(origin, null, observer, installFlags, 10055 installerPackageName, null, verificationParams, user, packageAbiOverride, null); 10056 params.setTraceMethod("installAsUser").setTraceCookie(System.identityHashCode(params)); 10057 msg.obj = params; 10058 10059 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installAsUser", 10060 System.identityHashCode(msg.obj)); 10061 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 10062 System.identityHashCode(msg.obj)); 10063 10064 mHandler.sendMessage(msg); 10065 } 10066 10067 void installStage(String packageName, File stagedDir, String stagedCid, 10068 IPackageInstallObserver2 observer, PackageInstaller.SessionParams sessionParams, 10069 String installerPackageName, int installerUid, UserHandle user) { 10070 if (DEBUG_EPHEMERAL) { 10071 if ((sessionParams.installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 10072 Slog.d(TAG, "Ephemeral install of " + packageName); 10073 } 10074 } 10075 final VerificationParams verifParams = new VerificationParams( 10076 null, sessionParams.originatingUri, sessionParams.referrerUri, 10077 sessionParams.originatingUid); 10078 verifParams.setInstallerUid(installerUid); 10079 10080 final OriginInfo origin; 10081 if (stagedDir != null) { 10082 origin = OriginInfo.fromStagedFile(stagedDir); 10083 } else { 10084 origin = OriginInfo.fromStagedContainer(stagedCid); 10085 } 10086 10087 final Message msg = mHandler.obtainMessage(INIT_COPY); 10088 final InstallParams params = new InstallParams(origin, null, observer, 10089 sessionParams.installFlags, installerPackageName, sessionParams.volumeUuid, 10090 verifParams, user, sessionParams.abiOverride, 10091 sessionParams.grantedRuntimePermissions); 10092 params.setTraceMethod("installStage").setTraceCookie(System.identityHashCode(params)); 10093 msg.obj = params; 10094 10095 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installStage", 10096 System.identityHashCode(msg.obj)); 10097 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 10098 System.identityHashCode(msg.obj)); 10099 10100 mHandler.sendMessage(msg); 10101 } 10102 10103 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, int userId) { 10104 Bundle extras = new Bundle(1); 10105 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, pkgSetting.appId)); 10106 10107 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 10108 packageName, extras, 0, null, null, new int[] {userId}); 10109 try { 10110 IActivityManager am = ActivityManagerNative.getDefault(); 10111 final boolean isSystem = 10112 isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 10113 if (isSystem && am.isUserRunning(userId, 0)) { 10114 // The just-installed/enabled app is bundled on the system, so presumed 10115 // to be able to run automatically without needing an explicit launch. 10116 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 10117 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 10118 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 10119 .setPackage(packageName); 10120 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 10121 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 10122 } 10123 } catch (RemoteException e) { 10124 // shouldn't happen 10125 Slog.w(TAG, "Unable to bootstrap installed package", e); 10126 } 10127 } 10128 10129 @Override 10130 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 10131 int userId) { 10132 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 10133 PackageSetting pkgSetting; 10134 final int uid = Binder.getCallingUid(); 10135 enforceCrossUserPermission(uid, userId, true, true, 10136 "setApplicationHiddenSetting for user " + userId); 10137 10138 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 10139 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 10140 return false; 10141 } 10142 10143 long callingId = Binder.clearCallingIdentity(); 10144 try { 10145 boolean sendAdded = false; 10146 boolean sendRemoved = false; 10147 // writer 10148 synchronized (mPackages) { 10149 pkgSetting = mSettings.mPackages.get(packageName); 10150 if (pkgSetting == null) { 10151 return false; 10152 } 10153 if (pkgSetting.getHidden(userId) != hidden) { 10154 pkgSetting.setHidden(hidden, userId); 10155 mSettings.writePackageRestrictionsLPr(userId); 10156 if (hidden) { 10157 sendRemoved = true; 10158 } else { 10159 sendAdded = true; 10160 } 10161 } 10162 } 10163 if (sendAdded) { 10164 sendPackageAddedForUser(packageName, pkgSetting, userId); 10165 return true; 10166 } 10167 if (sendRemoved) { 10168 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 10169 "hiding pkg"); 10170 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 10171 return true; 10172 } 10173 } finally { 10174 Binder.restoreCallingIdentity(callingId); 10175 } 10176 return false; 10177 } 10178 10179 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 10180 int userId) { 10181 final PackageRemovedInfo info = new PackageRemovedInfo(); 10182 info.removedPackage = packageName; 10183 info.removedUsers = new int[] {userId}; 10184 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 10185 info.sendBroadcast(false, false, false); 10186 } 10187 10188 private void sendPackagesSuspendedForUser(String[] pkgList, int userId, boolean suspended) { 10189 if (pkgList.length > 0) { 10190 Bundle extras = new Bundle(1); 10191 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 10192 10193 sendPackageBroadcast( 10194 suspended ? Intent.ACTION_PACKAGES_SUSPENDED 10195 : Intent.ACTION_PACKAGES_UNSUSPENDED, 10196 null, extras, Intent.FLAG_RECEIVER_REGISTERED_ONLY, null, null, 10197 new int[] {userId}); 10198 } 10199 } 10200 10201 /** 10202 * Returns true if application is not found or there was an error. Otherwise it returns 10203 * the hidden state of the package for the given user. 10204 */ 10205 @Override 10206 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 10207 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 10208 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, 10209 false, "getApplicationHidden for user " + userId); 10210 PackageSetting pkgSetting; 10211 long callingId = Binder.clearCallingIdentity(); 10212 try { 10213 // writer 10214 synchronized (mPackages) { 10215 pkgSetting = mSettings.mPackages.get(packageName); 10216 if (pkgSetting == null) { 10217 return true; 10218 } 10219 return pkgSetting.getHidden(userId); 10220 } 10221 } finally { 10222 Binder.restoreCallingIdentity(callingId); 10223 } 10224 } 10225 10226 /** 10227 * @hide 10228 */ 10229 @Override 10230 public int installExistingPackageAsUser(String packageName, int userId) { 10231 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 10232 null); 10233 PackageSetting pkgSetting; 10234 final int uid = Binder.getCallingUid(); 10235 enforceCrossUserPermission(uid, userId, true, true, "installExistingPackage for user " 10236 + userId); 10237 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 10238 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 10239 } 10240 10241 long callingId = Binder.clearCallingIdentity(); 10242 try { 10243 boolean installed = false; 10244 10245 // writer 10246 synchronized (mPackages) { 10247 pkgSetting = mSettings.mPackages.get(packageName); 10248 if (pkgSetting == null) { 10249 return PackageManager.INSTALL_FAILED_INVALID_URI; 10250 } 10251 if (!pkgSetting.getInstalled(userId)) { 10252 pkgSetting.setInstalled(true, userId); 10253 pkgSetting.setHidden(false, userId); 10254 mSettings.writePackageRestrictionsLPr(userId); 10255 if (pkgSetting.pkg != null) { 10256 prepareAppDataAfterInstall(pkgSetting.pkg); 10257 } 10258 installed = true; 10259 } 10260 } 10261 10262 if (installed) { 10263 sendPackageAddedForUser(packageName, pkgSetting, userId); 10264 } 10265 } finally { 10266 Binder.restoreCallingIdentity(callingId); 10267 } 10268 10269 return PackageManager.INSTALL_SUCCEEDED; 10270 } 10271 10272 boolean isUserRestricted(int userId, String restrictionKey) { 10273 Bundle restrictions = sUserManager.getUserRestrictions(userId); 10274 if (restrictions.getBoolean(restrictionKey, false)) { 10275 Log.w(TAG, "User is restricted: " + restrictionKey); 10276 return true; 10277 } 10278 return false; 10279 } 10280 10281 @Override 10282 public boolean setPackageSuspendedAsUser(String packageName, boolean suspended, int userId) { 10283 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 10284 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, true, 10285 "setPackageSuspended for user " + userId); 10286 10287 // TODO: investigate and add more restrictions for suspending crucial packages. 10288 if (isPackageDeviceAdmin(packageName, userId)) { 10289 Slog.w(TAG, "Not suspending/un-suspending package \"" + packageName 10290 + "\": has active device admin"); 10291 return false; 10292 } 10293 10294 long callingId = Binder.clearCallingIdentity(); 10295 try { 10296 boolean changed = false; 10297 boolean success = false; 10298 int appId = -1; 10299 synchronized (mPackages) { 10300 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 10301 if (pkgSetting != null) { 10302 if (pkgSetting.getSuspended(userId) != suspended) { 10303 pkgSetting.setSuspended(suspended, userId); 10304 mSettings.writePackageRestrictionsLPr(userId); 10305 appId = pkgSetting.appId; 10306 changed = true; 10307 } 10308 success = true; 10309 } 10310 } 10311 10312 if (changed) { 10313 sendPackagesSuspendedForUser(new String[]{packageName}, userId, suspended); 10314 if (suspended) { 10315 killApplication(packageName, UserHandle.getUid(userId, appId), 10316 "suspending package"); 10317 } 10318 } 10319 return success; 10320 } finally { 10321 Binder.restoreCallingIdentity(callingId); 10322 } 10323 } 10324 10325 @Override 10326 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 10327 mContext.enforceCallingOrSelfPermission( 10328 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 10329 "Only package verification agents can verify applications"); 10330 10331 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 10332 final PackageVerificationResponse response = new PackageVerificationResponse( 10333 verificationCode, Binder.getCallingUid()); 10334 msg.arg1 = id; 10335 msg.obj = response; 10336 mHandler.sendMessage(msg); 10337 } 10338 10339 @Override 10340 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 10341 long millisecondsToDelay) { 10342 mContext.enforceCallingOrSelfPermission( 10343 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 10344 "Only package verification agents can extend verification timeouts"); 10345 10346 final PackageVerificationState state = mPendingVerification.get(id); 10347 final PackageVerificationResponse response = new PackageVerificationResponse( 10348 verificationCodeAtTimeout, Binder.getCallingUid()); 10349 10350 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 10351 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 10352 } 10353 if (millisecondsToDelay < 0) { 10354 millisecondsToDelay = 0; 10355 } 10356 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 10357 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 10358 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 10359 } 10360 10361 if ((state != null) && !state.timeoutExtended()) { 10362 state.extendTimeout(); 10363 10364 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 10365 msg.arg1 = id; 10366 msg.obj = response; 10367 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 10368 } 10369 } 10370 10371 private void broadcastPackageVerified(int verificationId, Uri packageUri, 10372 int verificationCode, UserHandle user) { 10373 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 10374 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 10375 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 10376 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 10377 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 10378 10379 mContext.sendBroadcastAsUser(intent, user, 10380 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 10381 } 10382 10383 private ComponentName matchComponentForVerifier(String packageName, 10384 List<ResolveInfo> receivers) { 10385 ActivityInfo targetReceiver = null; 10386 10387 final int NR = receivers.size(); 10388 for (int i = 0; i < NR; i++) { 10389 final ResolveInfo info = receivers.get(i); 10390 if (info.activityInfo == null) { 10391 continue; 10392 } 10393 10394 if (packageName.equals(info.activityInfo.packageName)) { 10395 targetReceiver = info.activityInfo; 10396 break; 10397 } 10398 } 10399 10400 if (targetReceiver == null) { 10401 return null; 10402 } 10403 10404 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 10405 } 10406 10407 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 10408 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 10409 if (pkgInfo.verifiers.length == 0) { 10410 return null; 10411 } 10412 10413 final int N = pkgInfo.verifiers.length; 10414 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 10415 for (int i = 0; i < N; i++) { 10416 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 10417 10418 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 10419 receivers); 10420 if (comp == null) { 10421 continue; 10422 } 10423 10424 final int verifierUid = getUidForVerifier(verifierInfo); 10425 if (verifierUid == -1) { 10426 continue; 10427 } 10428 10429 if (DEBUG_VERIFY) { 10430 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 10431 + " with the correct signature"); 10432 } 10433 sufficientVerifiers.add(comp); 10434 verificationState.addSufficientVerifier(verifierUid); 10435 } 10436 10437 return sufficientVerifiers; 10438 } 10439 10440 private int getUidForVerifier(VerifierInfo verifierInfo) { 10441 synchronized (mPackages) { 10442 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 10443 if (pkg == null) { 10444 return -1; 10445 } else if (pkg.mSignatures.length != 1) { 10446 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 10447 + " has more than one signature; ignoring"); 10448 return -1; 10449 } 10450 10451 /* 10452 * If the public key of the package's signature does not match 10453 * our expected public key, then this is a different package and 10454 * we should skip. 10455 */ 10456 10457 final byte[] expectedPublicKey; 10458 try { 10459 final Signature verifierSig = pkg.mSignatures[0]; 10460 final PublicKey publicKey = verifierSig.getPublicKey(); 10461 expectedPublicKey = publicKey.getEncoded(); 10462 } catch (CertificateException e) { 10463 return -1; 10464 } 10465 10466 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 10467 10468 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 10469 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 10470 + " does not have the expected public key; ignoring"); 10471 return -1; 10472 } 10473 10474 return pkg.applicationInfo.uid; 10475 } 10476 } 10477 10478 @Override 10479 public void finishPackageInstall(int token) { 10480 enforceSystemOrRoot("Only the system is allowed to finish installs"); 10481 10482 if (DEBUG_INSTALL) { 10483 Slog.v(TAG, "BM finishing package install for " + token); 10484 } 10485 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 10486 10487 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 10488 mHandler.sendMessage(msg); 10489 } 10490 10491 /** 10492 * Get the verification agent timeout. 10493 * 10494 * @return verification timeout in milliseconds 10495 */ 10496 private long getVerificationTimeout() { 10497 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 10498 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 10499 DEFAULT_VERIFICATION_TIMEOUT); 10500 } 10501 10502 /** 10503 * Get the default verification agent response code. 10504 * 10505 * @return default verification response code 10506 */ 10507 private int getDefaultVerificationResponse() { 10508 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 10509 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 10510 DEFAULT_VERIFICATION_RESPONSE); 10511 } 10512 10513 /** 10514 * Check whether or not package verification has been enabled. 10515 * 10516 * @return true if verification should be performed 10517 */ 10518 private boolean isVerificationEnabled(int userId, int installFlags) { 10519 if (!DEFAULT_VERIFY_ENABLE) { 10520 return false; 10521 } 10522 // Ephemeral apps don't get the full verification treatment 10523 if ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 10524 if (DEBUG_EPHEMERAL) { 10525 Slog.d(TAG, "INSTALL_EPHEMERAL so skipping verification"); 10526 } 10527 return false; 10528 } 10529 10530 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 10531 10532 // Check if installing from ADB 10533 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 10534 // Do not run verification in a test harness environment 10535 if (ActivityManager.isRunningInTestHarness()) { 10536 return false; 10537 } 10538 if (ensureVerifyAppsEnabled) { 10539 return true; 10540 } 10541 // Check if the developer does not want package verification for ADB installs 10542 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 10543 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 10544 return false; 10545 } 10546 } 10547 10548 if (ensureVerifyAppsEnabled) { 10549 return true; 10550 } 10551 10552 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 10553 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 10554 } 10555 10556 @Override 10557 public void verifyIntentFilter(int id, int verificationCode, List<String> failedDomains) 10558 throws RemoteException { 10559 mContext.enforceCallingOrSelfPermission( 10560 Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 10561 "Only intentfilter verification agents can verify applications"); 10562 10563 final Message msg = mHandler.obtainMessage(INTENT_FILTER_VERIFIED); 10564 final IntentFilterVerificationResponse response = new IntentFilterVerificationResponse( 10565 Binder.getCallingUid(), verificationCode, failedDomains); 10566 msg.arg1 = id; 10567 msg.obj = response; 10568 mHandler.sendMessage(msg); 10569 } 10570 10571 @Override 10572 public int getIntentVerificationStatus(String packageName, int userId) { 10573 synchronized (mPackages) { 10574 return mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 10575 } 10576 } 10577 10578 @Override 10579 public boolean updateIntentVerificationStatus(String packageName, int status, int userId) { 10580 mContext.enforceCallingOrSelfPermission( 10581 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 10582 10583 boolean result = false; 10584 synchronized (mPackages) { 10585 result = mSettings.updateIntentFilterVerificationStatusLPw(packageName, status, userId); 10586 } 10587 if (result) { 10588 scheduleWritePackageRestrictionsLocked(userId); 10589 } 10590 return result; 10591 } 10592 10593 @Override 10594 public List<IntentFilterVerificationInfo> getIntentFilterVerifications(String packageName) { 10595 synchronized (mPackages) { 10596 return mSettings.getIntentFilterVerificationsLPr(packageName); 10597 } 10598 } 10599 10600 @Override 10601 public List<IntentFilter> getAllIntentFilters(String packageName) { 10602 if (TextUtils.isEmpty(packageName)) { 10603 return Collections.<IntentFilter>emptyList(); 10604 } 10605 synchronized (mPackages) { 10606 PackageParser.Package pkg = mPackages.get(packageName); 10607 if (pkg == null || pkg.activities == null) { 10608 return Collections.<IntentFilter>emptyList(); 10609 } 10610 final int count = pkg.activities.size(); 10611 ArrayList<IntentFilter> result = new ArrayList<>(); 10612 for (int n=0; n<count; n++) { 10613 PackageParser.Activity activity = pkg.activities.get(n); 10614 if (activity.intents != null && activity.intents.size() > 0) { 10615 result.addAll(activity.intents); 10616 } 10617 } 10618 return result; 10619 } 10620 } 10621 10622 @Override 10623 public boolean setDefaultBrowserPackageName(String packageName, int userId) { 10624 mContext.enforceCallingOrSelfPermission( 10625 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 10626 10627 synchronized (mPackages) { 10628 boolean result = mSettings.setDefaultBrowserPackageNameLPw(packageName, userId); 10629 if (packageName != null) { 10630 result |= updateIntentVerificationStatus(packageName, 10631 PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, 10632 userId); 10633 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultBrowserLPr( 10634 packageName, userId); 10635 } 10636 return result; 10637 } 10638 } 10639 10640 @Override 10641 public String getDefaultBrowserPackageName(int userId) { 10642 synchronized (mPackages) { 10643 return mSettings.getDefaultBrowserPackageNameLPw(userId); 10644 } 10645 } 10646 10647 /** 10648 * Get the "allow unknown sources" setting. 10649 * 10650 * @return the current "allow unknown sources" setting 10651 */ 10652 private int getUnknownSourcesSettings() { 10653 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 10654 android.provider.Settings.Global.INSTALL_NON_MARKET_APPS, 10655 -1); 10656 } 10657 10658 @Override 10659 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 10660 final int uid = Binder.getCallingUid(); 10661 // writer 10662 synchronized (mPackages) { 10663 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 10664 if (targetPackageSetting == null) { 10665 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 10666 } 10667 10668 PackageSetting installerPackageSetting; 10669 if (installerPackageName != null) { 10670 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 10671 if (installerPackageSetting == null) { 10672 throw new IllegalArgumentException("Unknown installer package: " 10673 + installerPackageName); 10674 } 10675 } else { 10676 installerPackageSetting = null; 10677 } 10678 10679 Signature[] callerSignature; 10680 Object obj = mSettings.getUserIdLPr(uid); 10681 if (obj != null) { 10682 if (obj instanceof SharedUserSetting) { 10683 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 10684 } else if (obj instanceof PackageSetting) { 10685 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 10686 } else { 10687 throw new SecurityException("Bad object " + obj + " for uid " + uid); 10688 } 10689 } else { 10690 throw new SecurityException("Unknown calling UID: " + uid); 10691 } 10692 10693 // Verify: can't set installerPackageName to a package that is 10694 // not signed with the same cert as the caller. 10695 if (installerPackageSetting != null) { 10696 if (compareSignatures(callerSignature, 10697 installerPackageSetting.signatures.mSignatures) 10698 != PackageManager.SIGNATURE_MATCH) { 10699 throw new SecurityException( 10700 "Caller does not have same cert as new installer package " 10701 + installerPackageName); 10702 } 10703 } 10704 10705 // Verify: if target already has an installer package, it must 10706 // be signed with the same cert as the caller. 10707 if (targetPackageSetting.installerPackageName != null) { 10708 PackageSetting setting = mSettings.mPackages.get( 10709 targetPackageSetting.installerPackageName); 10710 // If the currently set package isn't valid, then it's always 10711 // okay to change it. 10712 if (setting != null) { 10713 if (compareSignatures(callerSignature, 10714 setting.signatures.mSignatures) 10715 != PackageManager.SIGNATURE_MATCH) { 10716 throw new SecurityException( 10717 "Caller does not have same cert as old installer package " 10718 + targetPackageSetting.installerPackageName); 10719 } 10720 } 10721 } 10722 10723 // Okay! 10724 targetPackageSetting.installerPackageName = installerPackageName; 10725 scheduleWriteSettingsLocked(); 10726 } 10727 } 10728 10729 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 10730 // Queue up an async operation since the package installation may take a little while. 10731 mHandler.post(new Runnable() { 10732 public void run() { 10733 mHandler.removeCallbacks(this); 10734 // Result object to be returned 10735 PackageInstalledInfo res = new PackageInstalledInfo(); 10736 res.returnCode = currentStatus; 10737 res.uid = -1; 10738 res.pkg = null; 10739 res.removedInfo = new PackageRemovedInfo(); 10740 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 10741 args.doPreInstall(res.returnCode); 10742 synchronized (mInstallLock) { 10743 installPackageTracedLI(args, res); 10744 } 10745 args.doPostInstall(res.returnCode, res.uid); 10746 } 10747 10748 // A restore should be performed at this point if (a) the install 10749 // succeeded, (b) the operation is not an update, and (c) the new 10750 // package has not opted out of backup participation. 10751 final boolean update = res.removedInfo.removedPackage != null; 10752 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 10753 boolean doRestore = !update 10754 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 10755 10756 // Set up the post-install work request bookkeeping. This will be used 10757 // and cleaned up by the post-install event handling regardless of whether 10758 // there's a restore pass performed. Token values are >= 1. 10759 int token; 10760 if (mNextInstallToken < 0) mNextInstallToken = 1; 10761 token = mNextInstallToken++; 10762 10763 PostInstallData data = new PostInstallData(args, res); 10764 mRunningInstalls.put(token, data); 10765 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 10766 10767 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 10768 // Pass responsibility to the Backup Manager. It will perform a 10769 // restore if appropriate, then pass responsibility back to the 10770 // Package Manager to run the post-install observer callbacks 10771 // and broadcasts. 10772 IBackupManager bm = IBackupManager.Stub.asInterface( 10773 ServiceManager.getService(Context.BACKUP_SERVICE)); 10774 if (bm != null) { 10775 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 10776 + " to BM for possible restore"); 10777 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 10778 try { 10779 // TODO: http://b/22388012 10780 if (bm.isBackupServiceActive(UserHandle.USER_SYSTEM)) { 10781 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 10782 } else { 10783 doRestore = false; 10784 } 10785 } catch (RemoteException e) { 10786 // can't happen; the backup manager is local 10787 } catch (Exception e) { 10788 Slog.e(TAG, "Exception trying to enqueue restore", e); 10789 doRestore = false; 10790 } 10791 } else { 10792 Slog.e(TAG, "Backup Manager not found!"); 10793 doRestore = false; 10794 } 10795 } 10796 10797 if (!doRestore) { 10798 // No restore possible, or the Backup Manager was mysteriously not 10799 // available -- just fire the post-install work request directly. 10800 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 10801 10802 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "postInstall", token); 10803 10804 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 10805 mHandler.sendMessage(msg); 10806 } 10807 } 10808 }); 10809 } 10810 10811 private abstract class HandlerParams { 10812 private static final int MAX_RETRIES = 4; 10813 10814 /** 10815 * Number of times startCopy() has been attempted and had a non-fatal 10816 * error. 10817 */ 10818 private int mRetries = 0; 10819 10820 /** User handle for the user requesting the information or installation. */ 10821 private final UserHandle mUser; 10822 String traceMethod; 10823 int traceCookie; 10824 10825 HandlerParams(UserHandle user) { 10826 mUser = user; 10827 } 10828 10829 UserHandle getUser() { 10830 return mUser; 10831 } 10832 10833 HandlerParams setTraceMethod(String traceMethod) { 10834 this.traceMethod = traceMethod; 10835 return this; 10836 } 10837 10838 HandlerParams setTraceCookie(int traceCookie) { 10839 this.traceCookie = traceCookie; 10840 return this; 10841 } 10842 10843 final boolean startCopy() { 10844 boolean res; 10845 try { 10846 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 10847 10848 if (++mRetries > MAX_RETRIES) { 10849 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 10850 mHandler.sendEmptyMessage(MCS_GIVE_UP); 10851 handleServiceError(); 10852 return false; 10853 } else { 10854 handleStartCopy(); 10855 res = true; 10856 } 10857 } catch (RemoteException e) { 10858 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 10859 mHandler.sendEmptyMessage(MCS_RECONNECT); 10860 res = false; 10861 } 10862 handleReturnCode(); 10863 return res; 10864 } 10865 10866 final void serviceError() { 10867 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 10868 handleServiceError(); 10869 handleReturnCode(); 10870 } 10871 10872 abstract void handleStartCopy() throws RemoteException; 10873 abstract void handleServiceError(); 10874 abstract void handleReturnCode(); 10875 } 10876 10877 class MeasureParams extends HandlerParams { 10878 private final PackageStats mStats; 10879 private boolean mSuccess; 10880 10881 private final IPackageStatsObserver mObserver; 10882 10883 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 10884 super(new UserHandle(stats.userHandle)); 10885 mObserver = observer; 10886 mStats = stats; 10887 } 10888 10889 @Override 10890 public String toString() { 10891 return "MeasureParams{" 10892 + Integer.toHexString(System.identityHashCode(this)) 10893 + " " + mStats.packageName + "}"; 10894 } 10895 10896 @Override 10897 void handleStartCopy() throws RemoteException { 10898 synchronized (mInstallLock) { 10899 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 10900 } 10901 10902 if (mSuccess) { 10903 final boolean mounted; 10904 if (Environment.isExternalStorageEmulated()) { 10905 mounted = true; 10906 } else { 10907 final String status = Environment.getExternalStorageState(); 10908 mounted = (Environment.MEDIA_MOUNTED.equals(status) 10909 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 10910 } 10911 10912 if (mounted) { 10913 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 10914 10915 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 10916 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 10917 10918 mStats.externalDataSize = calculateDirectorySize(mContainerService, 10919 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 10920 10921 // Always subtract cache size, since it's a subdirectory 10922 mStats.externalDataSize -= mStats.externalCacheSize; 10923 10924 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 10925 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 10926 10927 mStats.externalObbSize = calculateDirectorySize(mContainerService, 10928 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 10929 } 10930 } 10931 } 10932 10933 @Override 10934 void handleReturnCode() { 10935 if (mObserver != null) { 10936 try { 10937 mObserver.onGetStatsCompleted(mStats, mSuccess); 10938 } catch (RemoteException e) { 10939 Slog.i(TAG, "Observer no longer exists."); 10940 } 10941 } 10942 } 10943 10944 @Override 10945 void handleServiceError() { 10946 Slog.e(TAG, "Could not measure application " + mStats.packageName 10947 + " external storage"); 10948 } 10949 } 10950 10951 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 10952 throws RemoteException { 10953 long result = 0; 10954 for (File path : paths) { 10955 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 10956 } 10957 return result; 10958 } 10959 10960 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 10961 for (File path : paths) { 10962 try { 10963 mcs.clearDirectory(path.getAbsolutePath()); 10964 } catch (RemoteException e) { 10965 } 10966 } 10967 } 10968 10969 static class OriginInfo { 10970 /** 10971 * Location where install is coming from, before it has been 10972 * copied/renamed into place. This could be a single monolithic APK 10973 * file, or a cluster directory. This location may be untrusted. 10974 */ 10975 final File file; 10976 final String cid; 10977 10978 /** 10979 * Flag indicating that {@link #file} or {@link #cid} has already been 10980 * staged, meaning downstream users don't need to defensively copy the 10981 * contents. 10982 */ 10983 final boolean staged; 10984 10985 /** 10986 * Flag indicating that {@link #file} or {@link #cid} is an already 10987 * installed app that is being moved. 10988 */ 10989 final boolean existing; 10990 10991 final String resolvedPath; 10992 final File resolvedFile; 10993 10994 static OriginInfo fromNothing() { 10995 return new OriginInfo(null, null, false, false); 10996 } 10997 10998 static OriginInfo fromUntrustedFile(File file) { 10999 return new OriginInfo(file, null, false, false); 11000 } 11001 11002 static OriginInfo fromExistingFile(File file) { 11003 return new OriginInfo(file, null, false, true); 11004 } 11005 11006 static OriginInfo fromStagedFile(File file) { 11007 return new OriginInfo(file, null, true, false); 11008 } 11009 11010 static OriginInfo fromStagedContainer(String cid) { 11011 return new OriginInfo(null, cid, true, false); 11012 } 11013 11014 private OriginInfo(File file, String cid, boolean staged, boolean existing) { 11015 this.file = file; 11016 this.cid = cid; 11017 this.staged = staged; 11018 this.existing = existing; 11019 11020 if (cid != null) { 11021 resolvedPath = PackageHelper.getSdDir(cid); 11022 resolvedFile = new File(resolvedPath); 11023 } else if (file != null) { 11024 resolvedPath = file.getAbsolutePath(); 11025 resolvedFile = file; 11026 } else { 11027 resolvedPath = null; 11028 resolvedFile = null; 11029 } 11030 } 11031 } 11032 11033 static class MoveInfo { 11034 final int moveId; 11035 final String fromUuid; 11036 final String toUuid; 11037 final String packageName; 11038 final String dataAppName; 11039 final int appId; 11040 final String seinfo; 11041 final int targetSdkVersion; 11042 11043 public MoveInfo(int moveId, String fromUuid, String toUuid, String packageName, 11044 String dataAppName, int appId, String seinfo, int targetSdkVersion) { 11045 this.moveId = moveId; 11046 this.fromUuid = fromUuid; 11047 this.toUuid = toUuid; 11048 this.packageName = packageName; 11049 this.dataAppName = dataAppName; 11050 this.appId = appId; 11051 this.seinfo = seinfo; 11052 this.targetSdkVersion = targetSdkVersion; 11053 } 11054 } 11055 11056 class InstallParams extends HandlerParams { 11057 final OriginInfo origin; 11058 final MoveInfo move; 11059 final IPackageInstallObserver2 observer; 11060 int installFlags; 11061 final String installerPackageName; 11062 final String volumeUuid; 11063 final VerificationParams verificationParams; 11064 private InstallArgs mArgs; 11065 private int mRet; 11066 final String packageAbiOverride; 11067 final String[] grantedRuntimePermissions; 11068 11069 InstallParams(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 11070 int installFlags, String installerPackageName, String volumeUuid, 11071 VerificationParams verificationParams, UserHandle user, String packageAbiOverride, 11072 String[] grantedPermissions) { 11073 super(user); 11074 this.origin = origin; 11075 this.move = move; 11076 this.observer = observer; 11077 this.installFlags = installFlags; 11078 this.installerPackageName = installerPackageName; 11079 this.volumeUuid = volumeUuid; 11080 this.verificationParams = verificationParams; 11081 this.packageAbiOverride = packageAbiOverride; 11082 this.grantedRuntimePermissions = grantedPermissions; 11083 } 11084 11085 @Override 11086 public String toString() { 11087 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 11088 + " file=" + origin.file + " cid=" + origin.cid + "}"; 11089 } 11090 11091 private int installLocationPolicy(PackageInfoLite pkgLite) { 11092 String packageName = pkgLite.packageName; 11093 int installLocation = pkgLite.installLocation; 11094 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 11095 // reader 11096 synchronized (mPackages) { 11097 PackageParser.Package pkg = mPackages.get(packageName); 11098 if (pkg != null) { 11099 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 11100 // Check for downgrading. 11101 if ((installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) == 0) { 11102 try { 11103 checkDowngrade(pkg, pkgLite); 11104 } catch (PackageManagerException e) { 11105 Slog.w(TAG, "Downgrade detected: " + e.getMessage()); 11106 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 11107 } 11108 } 11109 // Check for updated system application. 11110 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 11111 if (onSd) { 11112 Slog.w(TAG, "Cannot install update to system app on sdcard"); 11113 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 11114 } 11115 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 11116 } else { 11117 if (onSd) { 11118 // Install flag overrides everything. 11119 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 11120 } 11121 // If current upgrade specifies particular preference 11122 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 11123 // Application explicitly specified internal. 11124 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 11125 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 11126 // App explictly prefers external. Let policy decide 11127 } else { 11128 // Prefer previous location 11129 if (isExternal(pkg)) { 11130 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 11131 } 11132 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 11133 } 11134 } 11135 } else { 11136 // Invalid install. Return error code 11137 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 11138 } 11139 } 11140 } 11141 // All the special cases have been taken care of. 11142 // Return result based on recommended install location. 11143 if (onSd) { 11144 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 11145 } 11146 return pkgLite.recommendedInstallLocation; 11147 } 11148 11149 /* 11150 * Invoke remote method to get package information and install 11151 * location values. Override install location based on default 11152 * policy if needed and then create install arguments based 11153 * on the install location. 11154 */ 11155 public void handleStartCopy() throws RemoteException { 11156 int ret = PackageManager.INSTALL_SUCCEEDED; 11157 11158 // If we're already staged, we've firmly committed to an install location 11159 if (origin.staged) { 11160 if (origin.file != null) { 11161 installFlags |= PackageManager.INSTALL_INTERNAL; 11162 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 11163 } else if (origin.cid != null) { 11164 installFlags |= PackageManager.INSTALL_EXTERNAL; 11165 installFlags &= ~PackageManager.INSTALL_INTERNAL; 11166 } else { 11167 throw new IllegalStateException("Invalid stage location"); 11168 } 11169 } 11170 11171 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 11172 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 11173 final boolean ephemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 11174 PackageInfoLite pkgLite = null; 11175 11176 if (onInt && onSd) { 11177 // Check if both bits are set. 11178 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 11179 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 11180 } else if (onSd && ephemeral) { 11181 Slog.w(TAG, "Conflicting flags specified for installing ephemeral on external"); 11182 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 11183 } else { 11184 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 11185 packageAbiOverride); 11186 11187 if (DEBUG_EPHEMERAL && ephemeral) { 11188 Slog.v(TAG, "pkgLite for install: " + pkgLite); 11189 } 11190 11191 /* 11192 * If we have too little free space, try to free cache 11193 * before giving up. 11194 */ 11195 if (!origin.staged && pkgLite.recommendedInstallLocation 11196 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 11197 // TODO: focus freeing disk space on the target device 11198 final StorageManager storage = StorageManager.from(mContext); 11199 final long lowThreshold = storage.getStorageLowBytes( 11200 Environment.getDataDirectory()); 11201 11202 final long sizeBytes = mContainerService.calculateInstalledSize( 11203 origin.resolvedPath, isForwardLocked(), packageAbiOverride); 11204 11205 try { 11206 mInstaller.freeCache(null, sizeBytes + lowThreshold); 11207 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 11208 installFlags, packageAbiOverride); 11209 } catch (InstallerException e) { 11210 Slog.w(TAG, "Failed to free cache", e); 11211 } 11212 11213 /* 11214 * The cache free must have deleted the file we 11215 * downloaded to install. 11216 * 11217 * TODO: fix the "freeCache" call to not delete 11218 * the file we care about. 11219 */ 11220 if (pkgLite.recommendedInstallLocation 11221 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 11222 pkgLite.recommendedInstallLocation 11223 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 11224 } 11225 } 11226 } 11227 11228 if (ret == PackageManager.INSTALL_SUCCEEDED) { 11229 int loc = pkgLite.recommendedInstallLocation; 11230 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 11231 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 11232 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 11233 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 11234 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 11235 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 11236 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 11237 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 11238 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 11239 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 11240 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 11241 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 11242 } else { 11243 // Override with defaults if needed. 11244 loc = installLocationPolicy(pkgLite); 11245 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 11246 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 11247 } else if (!onSd && !onInt) { 11248 // Override install location with flags 11249 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 11250 // Set the flag to install on external media. 11251 installFlags |= PackageManager.INSTALL_EXTERNAL; 11252 installFlags &= ~PackageManager.INSTALL_INTERNAL; 11253 } else if (loc == PackageHelper.RECOMMEND_INSTALL_EPHEMERAL) { 11254 if (DEBUG_EPHEMERAL) { 11255 Slog.v(TAG, "...setting INSTALL_EPHEMERAL install flag"); 11256 } 11257 installFlags |= PackageManager.INSTALL_EPHEMERAL; 11258 installFlags &= ~(PackageManager.INSTALL_EXTERNAL 11259 |PackageManager.INSTALL_INTERNAL); 11260 } else { 11261 // Make sure the flag for installing on external 11262 // media is unset 11263 installFlags |= PackageManager.INSTALL_INTERNAL; 11264 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 11265 } 11266 } 11267 } 11268 } 11269 11270 final InstallArgs args = createInstallArgs(this); 11271 mArgs = args; 11272 11273 if (ret == PackageManager.INSTALL_SUCCEEDED) { 11274 // TODO: http://b/22976637 11275 // Apps installed for "all" users use the device owner to verify the app 11276 UserHandle verifierUser = getUser(); 11277 if (verifierUser == UserHandle.ALL) { 11278 verifierUser = UserHandle.SYSTEM; 11279 } 11280 11281 /* 11282 * Determine if we have any installed package verifiers. If we 11283 * do, then we'll defer to them to verify the packages. 11284 */ 11285 final int requiredUid = mRequiredVerifierPackage == null ? -1 11286 : getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 11287 verifierUser.getIdentifier()); 11288 if (!origin.existing && requiredUid != -1 11289 && isVerificationEnabled(verifierUser.getIdentifier(), installFlags)) { 11290 final Intent verification = new Intent( 11291 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 11292 verification.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 11293 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 11294 PACKAGE_MIME_TYPE); 11295 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 11296 11297 // Query all live verifiers based on current user state 11298 final List<ResolveInfo> receivers = queryIntentReceivers(verification, 11299 PACKAGE_MIME_TYPE, 0, verifierUser.getIdentifier()); 11300 11301 if (DEBUG_VERIFY) { 11302 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 11303 + verification.toString() + " with " + pkgLite.verifiers.length 11304 + " optional verifiers"); 11305 } 11306 11307 final int verificationId = mPendingVerificationToken++; 11308 11309 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 11310 11311 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 11312 installerPackageName); 11313 11314 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 11315 installFlags); 11316 11317 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 11318 pkgLite.packageName); 11319 11320 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 11321 pkgLite.versionCode); 11322 11323 if (verificationParams != null) { 11324 if (verificationParams.getVerificationURI() != null) { 11325 verification.putExtra(PackageManager.EXTRA_VERIFICATION_URI, 11326 verificationParams.getVerificationURI()); 11327 } 11328 if (verificationParams.getOriginatingURI() != null) { 11329 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 11330 verificationParams.getOriginatingURI()); 11331 } 11332 if (verificationParams.getReferrer() != null) { 11333 verification.putExtra(Intent.EXTRA_REFERRER, 11334 verificationParams.getReferrer()); 11335 } 11336 if (verificationParams.getOriginatingUid() >= 0) { 11337 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 11338 verificationParams.getOriginatingUid()); 11339 } 11340 if (verificationParams.getInstallerUid() >= 0) { 11341 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 11342 verificationParams.getInstallerUid()); 11343 } 11344 } 11345 11346 final PackageVerificationState verificationState = new PackageVerificationState( 11347 requiredUid, args); 11348 11349 mPendingVerification.append(verificationId, verificationState); 11350 11351 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 11352 receivers, verificationState); 11353 11354 /* 11355 * If any sufficient verifiers were listed in the package 11356 * manifest, attempt to ask them. 11357 */ 11358 if (sufficientVerifiers != null) { 11359 final int N = sufficientVerifiers.size(); 11360 if (N == 0) { 11361 Slog.i(TAG, "Additional verifiers required, but none installed."); 11362 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 11363 } else { 11364 for (int i = 0; i < N; i++) { 11365 final ComponentName verifierComponent = sufficientVerifiers.get(i); 11366 11367 final Intent sufficientIntent = new Intent(verification); 11368 sufficientIntent.setComponent(verifierComponent); 11369 mContext.sendBroadcastAsUser(sufficientIntent, verifierUser); 11370 } 11371 } 11372 } 11373 11374 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 11375 mRequiredVerifierPackage, receivers); 11376 if (ret == PackageManager.INSTALL_SUCCEEDED 11377 && mRequiredVerifierPackage != null) { 11378 Trace.asyncTraceBegin( 11379 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 11380 /* 11381 * Send the intent to the required verification agent, 11382 * but only start the verification timeout after the 11383 * target BroadcastReceivers have run. 11384 */ 11385 verification.setComponent(requiredVerifierComponent); 11386 mContext.sendOrderedBroadcastAsUser(verification, verifierUser, 11387 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 11388 new BroadcastReceiver() { 11389 @Override 11390 public void onReceive(Context context, Intent intent) { 11391 final Message msg = mHandler 11392 .obtainMessage(CHECK_PENDING_VERIFICATION); 11393 msg.arg1 = verificationId; 11394 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 11395 } 11396 }, null, 0, null, null); 11397 11398 /* 11399 * We don't want the copy to proceed until verification 11400 * succeeds, so null out this field. 11401 */ 11402 mArgs = null; 11403 } 11404 } else { 11405 /* 11406 * No package verification is enabled, so immediately start 11407 * the remote call to initiate copy using temporary file. 11408 */ 11409 ret = args.copyApk(mContainerService, true); 11410 } 11411 } 11412 11413 mRet = ret; 11414 } 11415 11416 @Override 11417 void handleReturnCode() { 11418 // If mArgs is null, then MCS couldn't be reached. When it 11419 // reconnects, it will try again to install. At that point, this 11420 // will succeed. 11421 if (mArgs != null) { 11422 processPendingInstall(mArgs, mRet); 11423 } 11424 } 11425 11426 @Override 11427 void handleServiceError() { 11428 mArgs = createInstallArgs(this); 11429 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 11430 } 11431 11432 public boolean isForwardLocked() { 11433 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 11434 } 11435 } 11436 11437 /** 11438 * Used during creation of InstallArgs 11439 * 11440 * @param installFlags package installation flags 11441 * @return true if should be installed on external storage 11442 */ 11443 private static boolean installOnExternalAsec(int installFlags) { 11444 if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) { 11445 return false; 11446 } 11447 if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 11448 return true; 11449 } 11450 return false; 11451 } 11452 11453 /** 11454 * Used during creation of InstallArgs 11455 * 11456 * @param installFlags package installation flags 11457 * @return true if should be installed as forward locked 11458 */ 11459 private static boolean installForwardLocked(int installFlags) { 11460 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 11461 } 11462 11463 private InstallArgs createInstallArgs(InstallParams params) { 11464 if (params.move != null) { 11465 return new MoveInstallArgs(params); 11466 } else if (installOnExternalAsec(params.installFlags) || params.isForwardLocked()) { 11467 return new AsecInstallArgs(params); 11468 } else { 11469 return new FileInstallArgs(params); 11470 } 11471 } 11472 11473 /** 11474 * Create args that describe an existing installed package. Typically used 11475 * when cleaning up old installs, or used as a move source. 11476 */ 11477 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 11478 String resourcePath, String[] instructionSets) { 11479 final boolean isInAsec; 11480 if (installOnExternalAsec(installFlags)) { 11481 /* Apps on SD card are always in ASEC containers. */ 11482 isInAsec = true; 11483 } else if (installForwardLocked(installFlags) 11484 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 11485 /* 11486 * Forward-locked apps are only in ASEC containers if they're the 11487 * new style 11488 */ 11489 isInAsec = true; 11490 } else { 11491 isInAsec = false; 11492 } 11493 11494 if (isInAsec) { 11495 return new AsecInstallArgs(codePath, instructionSets, 11496 installOnExternalAsec(installFlags), installForwardLocked(installFlags)); 11497 } else { 11498 return new FileInstallArgs(codePath, resourcePath, instructionSets); 11499 } 11500 } 11501 11502 static abstract class InstallArgs { 11503 /** @see InstallParams#origin */ 11504 final OriginInfo origin; 11505 /** @see InstallParams#move */ 11506 final MoveInfo move; 11507 11508 final IPackageInstallObserver2 observer; 11509 // Always refers to PackageManager flags only 11510 final int installFlags; 11511 final String installerPackageName; 11512 final String volumeUuid; 11513 final UserHandle user; 11514 final String abiOverride; 11515 final String[] installGrantPermissions; 11516 /** If non-null, drop an async trace when the install completes */ 11517 final String traceMethod; 11518 final int traceCookie; 11519 11520 // The list of instruction sets supported by this app. This is currently 11521 // only used during the rmdex() phase to clean up resources. We can get rid of this 11522 // if we move dex files under the common app path. 11523 /* nullable */ String[] instructionSets; 11524 11525 InstallArgs(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 11526 int installFlags, String installerPackageName, String volumeUuid, 11527 UserHandle user, String[] instructionSets, 11528 String abiOverride, String[] installGrantPermissions, 11529 String traceMethod, int traceCookie) { 11530 this.origin = origin; 11531 this.move = move; 11532 this.installFlags = installFlags; 11533 this.observer = observer; 11534 this.installerPackageName = installerPackageName; 11535 this.volumeUuid = volumeUuid; 11536 this.user = user; 11537 this.instructionSets = instructionSets; 11538 this.abiOverride = abiOverride; 11539 this.installGrantPermissions = installGrantPermissions; 11540 this.traceMethod = traceMethod; 11541 this.traceCookie = traceCookie; 11542 } 11543 11544 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 11545 abstract int doPreInstall(int status); 11546 11547 /** 11548 * Rename package into final resting place. All paths on the given 11549 * scanned package should be updated to reflect the rename. 11550 */ 11551 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 11552 abstract int doPostInstall(int status, int uid); 11553 11554 /** @see PackageSettingBase#codePathString */ 11555 abstract String getCodePath(); 11556 /** @see PackageSettingBase#resourcePathString */ 11557 abstract String getResourcePath(); 11558 11559 // Need installer lock especially for dex file removal. 11560 abstract void cleanUpResourcesLI(); 11561 abstract boolean doPostDeleteLI(boolean delete); 11562 11563 /** 11564 * Called before the source arguments are copied. This is used mostly 11565 * for MoveParams when it needs to read the source file to put it in the 11566 * destination. 11567 */ 11568 int doPreCopy() { 11569 return PackageManager.INSTALL_SUCCEEDED; 11570 } 11571 11572 /** 11573 * Called after the source arguments are copied. This is used mostly for 11574 * MoveParams when it needs to read the source file to put it in the 11575 * destination. 11576 * 11577 * @return 11578 */ 11579 int doPostCopy(int uid) { 11580 return PackageManager.INSTALL_SUCCEEDED; 11581 } 11582 11583 protected boolean isFwdLocked() { 11584 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 11585 } 11586 11587 protected boolean isExternalAsec() { 11588 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 11589 } 11590 11591 protected boolean isEphemeral() { 11592 return (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 11593 } 11594 11595 UserHandle getUser() { 11596 return user; 11597 } 11598 } 11599 11600 private void removeDexFiles(List<String> allCodePaths, String[] instructionSets) { 11601 if (!allCodePaths.isEmpty()) { 11602 if (instructionSets == null) { 11603 throw new IllegalStateException("instructionSet == null"); 11604 } 11605 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 11606 for (String codePath : allCodePaths) { 11607 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 11608 try { 11609 mInstaller.rmdex(codePath, dexCodeInstructionSet); 11610 } catch (InstallerException ignored) { 11611 } 11612 } 11613 } 11614 } 11615 } 11616 11617 /** 11618 * Logic to handle installation of non-ASEC applications, including copying 11619 * and renaming logic. 11620 */ 11621 class FileInstallArgs extends InstallArgs { 11622 private File codeFile; 11623 private File resourceFile; 11624 11625 // Example topology: 11626 // /data/app/com.example/base.apk 11627 // /data/app/com.example/split_foo.apk 11628 // /data/app/com.example/lib/arm/libfoo.so 11629 // /data/app/com.example/lib/arm64/libfoo.so 11630 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 11631 11632 /** New install */ 11633 FileInstallArgs(InstallParams params) { 11634 super(params.origin, params.move, params.observer, params.installFlags, 11635 params.installerPackageName, params.volumeUuid, 11636 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 11637 params.grantedRuntimePermissions, 11638 params.traceMethod, params.traceCookie); 11639 if (isFwdLocked()) { 11640 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 11641 } 11642 } 11643 11644 /** Existing install */ 11645 FileInstallArgs(String codePath, String resourcePath, String[] instructionSets) { 11646 super(OriginInfo.fromNothing(), null, null, 0, null, null, null, instructionSets, 11647 null, null, null, 0); 11648 this.codeFile = (codePath != null) ? new File(codePath) : null; 11649 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 11650 } 11651 11652 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 11653 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyApk"); 11654 try { 11655 return doCopyApk(imcs, temp); 11656 } finally { 11657 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 11658 } 11659 } 11660 11661 private int doCopyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 11662 if (origin.staged) { 11663 if (DEBUG_INSTALL) Slog.d(TAG, origin.file + " already staged; skipping copy"); 11664 codeFile = origin.file; 11665 resourceFile = origin.file; 11666 return PackageManager.INSTALL_SUCCEEDED; 11667 } 11668 11669 try { 11670 final boolean isEphemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 11671 final File tempDir = 11672 mInstallerService.allocateStageDirLegacy(volumeUuid, isEphemeral); 11673 codeFile = tempDir; 11674 resourceFile = tempDir; 11675 } catch (IOException e) { 11676 Slog.w(TAG, "Failed to create copy file: " + e); 11677 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 11678 } 11679 11680 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 11681 @Override 11682 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 11683 if (!FileUtils.isValidExtFilename(name)) { 11684 throw new IllegalArgumentException("Invalid filename: " + name); 11685 } 11686 try { 11687 final File file = new File(codeFile, name); 11688 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 11689 O_RDWR | O_CREAT, 0644); 11690 Os.chmod(file.getAbsolutePath(), 0644); 11691 return new ParcelFileDescriptor(fd); 11692 } catch (ErrnoException e) { 11693 throw new RemoteException("Failed to open: " + e.getMessage()); 11694 } 11695 } 11696 }; 11697 11698 int ret = PackageManager.INSTALL_SUCCEEDED; 11699 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 11700 if (ret != PackageManager.INSTALL_SUCCEEDED) { 11701 Slog.e(TAG, "Failed to copy package"); 11702 return ret; 11703 } 11704 11705 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 11706 NativeLibraryHelper.Handle handle = null; 11707 try { 11708 handle = NativeLibraryHelper.Handle.create(codeFile); 11709 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 11710 abiOverride); 11711 } catch (IOException e) { 11712 Slog.e(TAG, "Copying native libraries failed", e); 11713 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 11714 } finally { 11715 IoUtils.closeQuietly(handle); 11716 } 11717 11718 return ret; 11719 } 11720 11721 int doPreInstall(int status) { 11722 if (status != PackageManager.INSTALL_SUCCEEDED) { 11723 cleanUp(); 11724 } 11725 return status; 11726 } 11727 11728 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 11729 if (status != PackageManager.INSTALL_SUCCEEDED) { 11730 cleanUp(); 11731 return false; 11732 } 11733 11734 final File targetDir = codeFile.getParentFile(); 11735 final File beforeCodeFile = codeFile; 11736 final File afterCodeFile = getNextCodePath(targetDir, pkg.packageName); 11737 11738 if (DEBUG_INSTALL) Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 11739 try { 11740 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 11741 } catch (ErrnoException e) { 11742 Slog.w(TAG, "Failed to rename", e); 11743 return false; 11744 } 11745 11746 if (!SELinux.restoreconRecursive(afterCodeFile)) { 11747 Slog.w(TAG, "Failed to restorecon"); 11748 return false; 11749 } 11750 11751 // Reflect the rename internally 11752 codeFile = afterCodeFile; 11753 resourceFile = afterCodeFile; 11754 11755 // Reflect the rename in scanned details 11756 pkg.codePath = afterCodeFile.getAbsolutePath(); 11757 pkg.baseCodePath = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 11758 pkg.baseCodePath); 11759 pkg.splitCodePaths = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 11760 pkg.splitCodePaths); 11761 11762 // Reflect the rename in app info 11763 pkg.applicationInfo.volumeUuid = pkg.volumeUuid; 11764 pkg.applicationInfo.setCodePath(pkg.codePath); 11765 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 11766 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 11767 pkg.applicationInfo.setResourcePath(pkg.codePath); 11768 pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath); 11769 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 11770 11771 return true; 11772 } 11773 11774 int doPostInstall(int status, int uid) { 11775 if (status != PackageManager.INSTALL_SUCCEEDED) { 11776 cleanUp(); 11777 } 11778 return status; 11779 } 11780 11781 @Override 11782 String getCodePath() { 11783 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 11784 } 11785 11786 @Override 11787 String getResourcePath() { 11788 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 11789 } 11790 11791 private boolean cleanUp() { 11792 if (codeFile == null || !codeFile.exists()) { 11793 return false; 11794 } 11795 11796 removeCodePathLI(codeFile); 11797 11798 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 11799 resourceFile.delete(); 11800 } 11801 11802 return true; 11803 } 11804 11805 void cleanUpResourcesLI() { 11806 // Try enumerating all code paths before deleting 11807 List<String> allCodePaths = Collections.EMPTY_LIST; 11808 if (codeFile != null && codeFile.exists()) { 11809 try { 11810 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 11811 allCodePaths = pkg.getAllCodePaths(); 11812 } catch (PackageParserException e) { 11813 // Ignored; we tried our best 11814 } 11815 } 11816 11817 cleanUp(); 11818 removeDexFiles(allCodePaths, instructionSets); 11819 } 11820 11821 boolean doPostDeleteLI(boolean delete) { 11822 // XXX err, shouldn't we respect the delete flag? 11823 cleanUpResourcesLI(); 11824 return true; 11825 } 11826 } 11827 11828 private boolean isAsecExternal(String cid) { 11829 final String asecPath = PackageHelper.getSdFilesystem(cid); 11830 return !asecPath.startsWith(mAsecInternalPath); 11831 } 11832 11833 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 11834 PackageManagerException { 11835 if (copyRet < 0) { 11836 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 11837 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 11838 throw new PackageManagerException(copyRet, message); 11839 } 11840 } 11841 } 11842 11843 /** 11844 * Extract the MountService "container ID" from the full code path of an 11845 * .apk. 11846 */ 11847 static String cidFromCodePath(String fullCodePath) { 11848 int eidx = fullCodePath.lastIndexOf("/"); 11849 String subStr1 = fullCodePath.substring(0, eidx); 11850 int sidx = subStr1.lastIndexOf("/"); 11851 return subStr1.substring(sidx+1, eidx); 11852 } 11853 11854 /** 11855 * Logic to handle installation of ASEC applications, including copying and 11856 * renaming logic. 11857 */ 11858 class AsecInstallArgs extends InstallArgs { 11859 static final String RES_FILE_NAME = "pkg.apk"; 11860 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 11861 11862 String cid; 11863 String packagePath; 11864 String resourcePath; 11865 11866 /** New install */ 11867 AsecInstallArgs(InstallParams params) { 11868 super(params.origin, params.move, params.observer, params.installFlags, 11869 params.installerPackageName, params.volumeUuid, 11870 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 11871 params.grantedRuntimePermissions, 11872 params.traceMethod, params.traceCookie); 11873 } 11874 11875 /** Existing install */ 11876 AsecInstallArgs(String fullCodePath, String[] instructionSets, 11877 boolean isExternal, boolean isForwardLocked) { 11878 super(OriginInfo.fromNothing(), null, null, (isExternal ? INSTALL_EXTERNAL : 0) 11879 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 11880 instructionSets, null, null, null, 0); 11881 // Hackily pretend we're still looking at a full code path 11882 if (!fullCodePath.endsWith(RES_FILE_NAME)) { 11883 fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath(); 11884 } 11885 11886 // Extract cid from fullCodePath 11887 int eidx = fullCodePath.lastIndexOf("/"); 11888 String subStr1 = fullCodePath.substring(0, eidx); 11889 int sidx = subStr1.lastIndexOf("/"); 11890 cid = subStr1.substring(sidx+1, eidx); 11891 setMountPath(subStr1); 11892 } 11893 11894 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) { 11895 super(OriginInfo.fromNothing(), null, null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 11896 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 11897 instructionSets, null, null, null, 0); 11898 this.cid = cid; 11899 setMountPath(PackageHelper.getSdDir(cid)); 11900 } 11901 11902 void createCopyFile() { 11903 cid = mInstallerService.allocateExternalStageCidLegacy(); 11904 } 11905 11906 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 11907 if (origin.staged && origin.cid != null) { 11908 if (DEBUG_INSTALL) Slog.d(TAG, origin.cid + " already staged; skipping copy"); 11909 cid = origin.cid; 11910 setMountPath(PackageHelper.getSdDir(cid)); 11911 return PackageManager.INSTALL_SUCCEEDED; 11912 } 11913 11914 if (temp) { 11915 createCopyFile(); 11916 } else { 11917 /* 11918 * Pre-emptively destroy the container since it's destroyed if 11919 * copying fails due to it existing anyway. 11920 */ 11921 PackageHelper.destroySdDir(cid); 11922 } 11923 11924 final String newMountPath = imcs.copyPackageToContainer( 11925 origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternalAsec(), 11926 isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */)); 11927 11928 if (newMountPath != null) { 11929 setMountPath(newMountPath); 11930 return PackageManager.INSTALL_SUCCEEDED; 11931 } else { 11932 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 11933 } 11934 } 11935 11936 @Override 11937 String getCodePath() { 11938 return packagePath; 11939 } 11940 11941 @Override 11942 String getResourcePath() { 11943 return resourcePath; 11944 } 11945 11946 int doPreInstall(int status) { 11947 if (status != PackageManager.INSTALL_SUCCEEDED) { 11948 // Destroy container 11949 PackageHelper.destroySdDir(cid); 11950 } else { 11951 boolean mounted = PackageHelper.isContainerMounted(cid); 11952 if (!mounted) { 11953 String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(), 11954 Process.SYSTEM_UID); 11955 if (newMountPath != null) { 11956 setMountPath(newMountPath); 11957 } else { 11958 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 11959 } 11960 } 11961 } 11962 return status; 11963 } 11964 11965 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 11966 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 11967 String newMountPath = null; 11968 if (PackageHelper.isContainerMounted(cid)) { 11969 // Unmount the container 11970 if (!PackageHelper.unMountSdDir(cid)) { 11971 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 11972 return false; 11973 } 11974 } 11975 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 11976 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 11977 " which might be stale. Will try to clean up."); 11978 // Clean up the stale container and proceed to recreate. 11979 if (!PackageHelper.destroySdDir(newCacheId)) { 11980 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 11981 return false; 11982 } 11983 // Successfully cleaned up stale container. Try to rename again. 11984 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 11985 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 11986 + " inspite of cleaning it up."); 11987 return false; 11988 } 11989 } 11990 if (!PackageHelper.isContainerMounted(newCacheId)) { 11991 Slog.w(TAG, "Mounting container " + newCacheId); 11992 newMountPath = PackageHelper.mountSdDir(newCacheId, 11993 getEncryptKey(), Process.SYSTEM_UID); 11994 } else { 11995 newMountPath = PackageHelper.getSdDir(newCacheId); 11996 } 11997 if (newMountPath == null) { 11998 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 11999 return false; 12000 } 12001 Log.i(TAG, "Succesfully renamed " + cid + 12002 " to " + newCacheId + 12003 " at new path: " + newMountPath); 12004 cid = newCacheId; 12005 12006 final File beforeCodeFile = new File(packagePath); 12007 setMountPath(newMountPath); 12008 final File afterCodeFile = new File(packagePath); 12009 12010 // Reflect the rename in scanned details 12011 pkg.codePath = afterCodeFile.getAbsolutePath(); 12012 pkg.baseCodePath = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 12013 pkg.baseCodePath); 12014 pkg.splitCodePaths = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 12015 pkg.splitCodePaths); 12016 12017 // Reflect the rename in app info 12018 pkg.applicationInfo.volumeUuid = pkg.volumeUuid; 12019 pkg.applicationInfo.setCodePath(pkg.codePath); 12020 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 12021 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 12022 pkg.applicationInfo.setResourcePath(pkg.codePath); 12023 pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath); 12024 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 12025 12026 return true; 12027 } 12028 12029 private void setMountPath(String mountPath) { 12030 final File mountFile = new File(mountPath); 12031 12032 final File monolithicFile = new File(mountFile, RES_FILE_NAME); 12033 if (monolithicFile.exists()) { 12034 packagePath = monolithicFile.getAbsolutePath(); 12035 if (isFwdLocked()) { 12036 resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath(); 12037 } else { 12038 resourcePath = packagePath; 12039 } 12040 } else { 12041 packagePath = mountFile.getAbsolutePath(); 12042 resourcePath = packagePath; 12043 } 12044 } 12045 12046 int doPostInstall(int status, int uid) { 12047 if (status != PackageManager.INSTALL_SUCCEEDED) { 12048 cleanUp(); 12049 } else { 12050 final int groupOwner; 12051 final String protectedFile; 12052 if (isFwdLocked()) { 12053 groupOwner = UserHandle.getSharedAppGid(uid); 12054 protectedFile = RES_FILE_NAME; 12055 } else { 12056 groupOwner = -1; 12057 protectedFile = null; 12058 } 12059 12060 if (uid < Process.FIRST_APPLICATION_UID 12061 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 12062 Slog.e(TAG, "Failed to finalize " + cid); 12063 PackageHelper.destroySdDir(cid); 12064 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 12065 } 12066 12067 boolean mounted = PackageHelper.isContainerMounted(cid); 12068 if (!mounted) { 12069 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 12070 } 12071 } 12072 return status; 12073 } 12074 12075 private void cleanUp() { 12076 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 12077 12078 // Destroy secure container 12079 PackageHelper.destroySdDir(cid); 12080 } 12081 12082 private List<String> getAllCodePaths() { 12083 final File codeFile = new File(getCodePath()); 12084 if (codeFile != null && codeFile.exists()) { 12085 try { 12086 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 12087 return pkg.getAllCodePaths(); 12088 } catch (PackageParserException e) { 12089 // Ignored; we tried our best 12090 } 12091 } 12092 return Collections.EMPTY_LIST; 12093 } 12094 12095 void cleanUpResourcesLI() { 12096 // Enumerate all code paths before deleting 12097 cleanUpResourcesLI(getAllCodePaths()); 12098 } 12099 12100 private void cleanUpResourcesLI(List<String> allCodePaths) { 12101 cleanUp(); 12102 removeDexFiles(allCodePaths, instructionSets); 12103 } 12104 12105 String getPackageName() { 12106 return getAsecPackageName(cid); 12107 } 12108 12109 boolean doPostDeleteLI(boolean delete) { 12110 if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete); 12111 final List<String> allCodePaths = getAllCodePaths(); 12112 boolean mounted = PackageHelper.isContainerMounted(cid); 12113 if (mounted) { 12114 // Unmount first 12115 if (PackageHelper.unMountSdDir(cid)) { 12116 mounted = false; 12117 } 12118 } 12119 if (!mounted && delete) { 12120 cleanUpResourcesLI(allCodePaths); 12121 } 12122 return !mounted; 12123 } 12124 12125 @Override 12126 int doPreCopy() { 12127 if (isFwdLocked()) { 12128 if (!PackageHelper.fixSdPermissions(cid, getPackageUid(DEFAULT_CONTAINER_PACKAGE, 12129 MATCH_SYSTEM_ONLY, UserHandle.USER_SYSTEM), RES_FILE_NAME)) { 12130 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 12131 } 12132 } 12133 12134 return PackageManager.INSTALL_SUCCEEDED; 12135 } 12136 12137 @Override 12138 int doPostCopy(int uid) { 12139 if (isFwdLocked()) { 12140 if (uid < Process.FIRST_APPLICATION_UID 12141 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 12142 RES_FILE_NAME)) { 12143 Slog.e(TAG, "Failed to finalize " + cid); 12144 PackageHelper.destroySdDir(cid); 12145 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 12146 } 12147 } 12148 12149 return PackageManager.INSTALL_SUCCEEDED; 12150 } 12151 } 12152 12153 /** 12154 * Logic to handle movement of existing installed applications. 12155 */ 12156 class MoveInstallArgs extends InstallArgs { 12157 private File codeFile; 12158 private File resourceFile; 12159 12160 /** New install */ 12161 MoveInstallArgs(InstallParams params) { 12162 super(params.origin, params.move, params.observer, params.installFlags, 12163 params.installerPackageName, params.volumeUuid, 12164 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 12165 params.grantedRuntimePermissions, 12166 params.traceMethod, params.traceCookie); 12167 } 12168 12169 int copyApk(IMediaContainerService imcs, boolean temp) { 12170 if (DEBUG_INSTALL) Slog.d(TAG, "Moving " + move.packageName + " from " 12171 + move.fromUuid + " to " + move.toUuid); 12172 synchronized (mInstaller) { 12173 try { 12174 mInstaller.moveCompleteApp(move.fromUuid, move.toUuid, move.packageName, 12175 move.dataAppName, move.appId, move.seinfo, move.targetSdkVersion); 12176 } catch (InstallerException e) { 12177 Slog.w(TAG, "Failed to move app", e); 12178 return PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 12179 } 12180 } 12181 12182 codeFile = new File(Environment.getDataAppDirectory(move.toUuid), move.dataAppName); 12183 resourceFile = codeFile; 12184 if (DEBUG_INSTALL) Slog.d(TAG, "codeFile after move is " + codeFile); 12185 12186 return PackageManager.INSTALL_SUCCEEDED; 12187 } 12188 12189 int doPreInstall(int status) { 12190 if (status != PackageManager.INSTALL_SUCCEEDED) { 12191 cleanUp(move.toUuid); 12192 } 12193 return status; 12194 } 12195 12196 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 12197 if (status != PackageManager.INSTALL_SUCCEEDED) { 12198 cleanUp(move.toUuid); 12199 return false; 12200 } 12201 12202 // Reflect the move in app info 12203 pkg.applicationInfo.volumeUuid = pkg.volumeUuid; 12204 pkg.applicationInfo.setCodePath(pkg.codePath); 12205 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 12206 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 12207 pkg.applicationInfo.setResourcePath(pkg.codePath); 12208 pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath); 12209 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 12210 12211 return true; 12212 } 12213 12214 int doPostInstall(int status, int uid) { 12215 if (status == PackageManager.INSTALL_SUCCEEDED) { 12216 cleanUp(move.fromUuid); 12217 } else { 12218 cleanUp(move.toUuid); 12219 } 12220 return status; 12221 } 12222 12223 @Override 12224 String getCodePath() { 12225 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 12226 } 12227 12228 @Override 12229 String getResourcePath() { 12230 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 12231 } 12232 12233 private boolean cleanUp(String volumeUuid) { 12234 final File codeFile = new File(Environment.getDataAppDirectory(volumeUuid), 12235 move.dataAppName); 12236 Slog.d(TAG, "Cleaning up " + move.packageName + " on " + volumeUuid); 12237 synchronized (mInstallLock) { 12238 // Clean up both app data and code 12239 removeDataDirsLI(volumeUuid, move.packageName); 12240 removeCodePathLI(codeFile); 12241 } 12242 return true; 12243 } 12244 12245 void cleanUpResourcesLI() { 12246 throw new UnsupportedOperationException(); 12247 } 12248 12249 boolean doPostDeleteLI(boolean delete) { 12250 throw new UnsupportedOperationException(); 12251 } 12252 } 12253 12254 static String getAsecPackageName(String packageCid) { 12255 int idx = packageCid.lastIndexOf("-"); 12256 if (idx == -1) { 12257 return packageCid; 12258 } 12259 return packageCid.substring(0, idx); 12260 } 12261 12262 // Utility method used to create code paths based on package name and available index. 12263 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 12264 String idxStr = ""; 12265 int idx = 1; 12266 // Fall back to default value of idx=1 if prefix is not 12267 // part of oldCodePath 12268 if (oldCodePath != null) { 12269 String subStr = oldCodePath; 12270 // Drop the suffix right away 12271 if (suffix != null && subStr.endsWith(suffix)) { 12272 subStr = subStr.substring(0, subStr.length() - suffix.length()); 12273 } 12274 // If oldCodePath already contains prefix find out the 12275 // ending index to either increment or decrement. 12276 int sidx = subStr.lastIndexOf(prefix); 12277 if (sidx != -1) { 12278 subStr = subStr.substring(sidx + prefix.length()); 12279 if (subStr != null) { 12280 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 12281 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 12282 } 12283 try { 12284 idx = Integer.parseInt(subStr); 12285 if (idx <= 1) { 12286 idx++; 12287 } else { 12288 idx--; 12289 } 12290 } catch(NumberFormatException e) { 12291 } 12292 } 12293 } 12294 } 12295 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 12296 return prefix + idxStr; 12297 } 12298 12299 private File getNextCodePath(File targetDir, String packageName) { 12300 int suffix = 1; 12301 File result; 12302 do { 12303 result = new File(targetDir, packageName + "-" + suffix); 12304 suffix++; 12305 } while (result.exists()); 12306 return result; 12307 } 12308 12309 // Utility method that returns the relative package path with respect 12310 // to the installation directory. Like say for /data/data/com.test-1.apk 12311 // string com.test-1 is returned. 12312 static String deriveCodePathName(String codePath) { 12313 if (codePath == null) { 12314 return null; 12315 } 12316 final File codeFile = new File(codePath); 12317 final String name = codeFile.getName(); 12318 if (codeFile.isDirectory()) { 12319 return name; 12320 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 12321 final int lastDot = name.lastIndexOf('.'); 12322 return name.substring(0, lastDot); 12323 } else { 12324 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 12325 return null; 12326 } 12327 } 12328 12329 static class PackageInstalledInfo { 12330 String name; 12331 int uid; 12332 // The set of users that originally had this package installed. 12333 int[] origUsers; 12334 // The set of users that now have this package installed. 12335 int[] newUsers; 12336 PackageParser.Package pkg; 12337 int returnCode; 12338 String returnMsg; 12339 PackageRemovedInfo removedInfo; 12340 12341 public void setError(int code, String msg) { 12342 returnCode = code; 12343 returnMsg = msg; 12344 Slog.w(TAG, msg); 12345 } 12346 12347 public void setError(String msg, PackageParserException e) { 12348 returnCode = e.error; 12349 returnMsg = ExceptionUtils.getCompleteMessage(msg, e); 12350 Slog.w(TAG, msg, e); 12351 } 12352 12353 public void setError(String msg, PackageManagerException e) { 12354 returnCode = e.error; 12355 returnMsg = ExceptionUtils.getCompleteMessage(msg, e); 12356 Slog.w(TAG, msg, e); 12357 } 12358 12359 // In some error cases we want to convey more info back to the observer 12360 String origPackage; 12361 String origPermission; 12362 } 12363 12364 /* 12365 * Install a non-existing package. 12366 */ 12367 private void installNewPackageLI(PackageParser.Package pkg, int parseFlags, int scanFlags, 12368 UserHandle user, String installerPackageName, String volumeUuid, 12369 PackageInstalledInfo res) { 12370 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installNewPackage"); 12371 12372 // Remember this for later, in case we need to rollback this install 12373 String pkgName = pkg.packageName; 12374 12375 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 12376 // TODO: b/23350563 12377 final boolean dataDirExists = Environment 12378 .getDataUserPackageDirectory(volumeUuid, UserHandle.USER_SYSTEM, pkgName).exists(); 12379 12380 synchronized(mPackages) { 12381 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 12382 // A package with the same name is already installed, though 12383 // it has been renamed to an older name. The package we 12384 // are trying to install should be installed as an update to 12385 // the existing one, but that has not been requested, so bail. 12386 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 12387 + " without first uninstalling package running as " 12388 + mSettings.mRenamedPackages.get(pkgName)); 12389 return; 12390 } 12391 if (mPackages.containsKey(pkgName)) { 12392 // Don't allow installation over an existing package with the same name. 12393 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 12394 + " without first uninstalling."); 12395 return; 12396 } 12397 } 12398 12399 try { 12400 PackageParser.Package newPackage = scanPackageTracedLI(pkg, parseFlags, scanFlags, 12401 System.currentTimeMillis(), user); 12402 12403 updateSettingsLI(newPackage, installerPackageName, volumeUuid, null, null, res, user); 12404 prepareAppDataAfterInstall(newPackage); 12405 12406 // delete the partially installed application. the data directory will have to be 12407 // restored if it was already existing 12408 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 12409 // remove package from internal structures. Note that we want deletePackageX to 12410 // delete the package data and cache directories that it created in 12411 // scanPackageLocked, unless those directories existed before we even tried to 12412 // install. 12413 deletePackageLI(pkgName, UserHandle.ALL, false, null, null, 12414 dataDirExists ? PackageManager.DELETE_KEEP_DATA : 0, 12415 res.removedInfo, true); 12416 } 12417 12418 } catch (PackageManagerException e) { 12419 res.setError("Package couldn't be installed in " + pkg.codePath, e); 12420 } 12421 12422 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 12423 } 12424 12425 private boolean shouldCheckUpgradeKeySetLP(PackageSetting oldPs, int scanFlags) { 12426 // Can't rotate keys during boot or if sharedUser. 12427 if (oldPs == null || (scanFlags&SCAN_INITIAL) != 0 || oldPs.sharedUser != null 12428 || !oldPs.keySetData.isUsingUpgradeKeySets()) { 12429 return false; 12430 } 12431 // app is using upgradeKeySets; make sure all are valid 12432 KeySetManagerService ksms = mSettings.mKeySetManagerService; 12433 long[] upgradeKeySets = oldPs.keySetData.getUpgradeKeySets(); 12434 for (int i = 0; i < upgradeKeySets.length; i++) { 12435 if (!ksms.isIdValidKeySetId(upgradeKeySets[i])) { 12436 Slog.wtf(TAG, "Package " 12437 + (oldPs.name != null ? oldPs.name : "<null>") 12438 + " contains upgrade-key-set reference to unknown key-set: " 12439 + upgradeKeySets[i] 12440 + " reverting to signatures check."); 12441 return false; 12442 } 12443 } 12444 return true; 12445 } 12446 12447 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 12448 // Upgrade keysets are being used. Determine if new package has a superset of the 12449 // required keys. 12450 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 12451 KeySetManagerService ksms = mSettings.mKeySetManagerService; 12452 for (int i = 0; i < upgradeKeySets.length; i++) { 12453 Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); 12454 if (upgradeSet != null && newPkg.mSigningKeys.containsAll(upgradeSet)) { 12455 return true; 12456 } 12457 } 12458 return false; 12459 } 12460 12461 private void replacePackageLI(PackageParser.Package pkg, int parseFlags, int scanFlags, 12462 UserHandle user, String installerPackageName, String volumeUuid, 12463 PackageInstalledInfo res) { 12464 final boolean isEphemeral = (parseFlags & PackageParser.PARSE_IS_EPHEMERAL) != 0; 12465 12466 final PackageParser.Package oldPackage; 12467 final String pkgName = pkg.packageName; 12468 final int[] allUsers; 12469 final boolean[] perUserInstalled; 12470 12471 // First find the old package info and check signatures 12472 synchronized(mPackages) { 12473 oldPackage = mPackages.get(pkgName); 12474 final boolean oldIsEphemeral = oldPackage.applicationInfo.isEphemeralApp(); 12475 if (isEphemeral && !oldIsEphemeral) { 12476 // can't downgrade from full to ephemeral 12477 Slog.w(TAG, "Can't replace app with ephemeral: " + pkgName); 12478 res.returnCode = PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID; 12479 return; 12480 } 12481 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 12482 final PackageSetting ps = mSettings.mPackages.get(pkgName); 12483 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 12484 if(!checkUpgradeKeySetLP(ps, pkg)) { 12485 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 12486 "New package not signed by keys specified by upgrade-keysets: " 12487 + pkgName); 12488 return; 12489 } 12490 } else { 12491 // default to original signature matching 12492 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 12493 != PackageManager.SIGNATURE_MATCH) { 12494 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 12495 "New package has a different signature: " + pkgName); 12496 return; 12497 } 12498 } 12499 12500 // In case of rollback, remember per-user/profile install state 12501 allUsers = sUserManager.getUserIds(); 12502 perUserInstalled = new boolean[allUsers.length]; 12503 for (int i = 0; i < allUsers.length; i++) { 12504 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 12505 } 12506 } 12507 12508 boolean sysPkg = (isSystemApp(oldPackage)); 12509 if (sysPkg) { 12510 replaceSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags, 12511 user, allUsers, perUserInstalled, installerPackageName, volumeUuid, res); 12512 } else { 12513 replaceNonSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags, 12514 user, allUsers, perUserInstalled, installerPackageName, volumeUuid, res); 12515 } 12516 } 12517 12518 private void replaceNonSystemPackageLI(PackageParser.Package deletedPackage, 12519 PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user, 12520 int[] allUsers, boolean[] perUserInstalled, String installerPackageName, 12521 String volumeUuid, PackageInstalledInfo res) { 12522 String pkgName = deletedPackage.packageName; 12523 boolean deletedPkg = true; 12524 boolean updatedSettings = false; 12525 12526 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 12527 + deletedPackage); 12528 long origUpdateTime; 12529 if (pkg.mExtras != null) { 12530 origUpdateTime = ((PackageSetting)pkg.mExtras).lastUpdateTime; 12531 } else { 12532 origUpdateTime = 0; 12533 } 12534 12535 // First delete the existing package while retaining the data directory 12536 if (!deletePackageLI(pkgName, null, true, null, null, PackageManager.DELETE_KEEP_DATA, 12537 res.removedInfo, true)) { 12538 // If the existing package wasn't successfully deleted 12539 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 12540 deletedPkg = false; 12541 } else { 12542 // Successfully deleted the old package; proceed with replace. 12543 12544 // If deleted package lived in a container, give users a chance to 12545 // relinquish resources before killing. 12546 if (deletedPackage.isForwardLocked() || isExternal(deletedPackage)) { 12547 if (DEBUG_INSTALL) { 12548 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 12549 } 12550 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 12551 final ArrayList<String> pkgList = new ArrayList<String>(1); 12552 pkgList.add(deletedPackage.applicationInfo.packageName); 12553 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 12554 } 12555 12556 deleteCodeCacheDirsLI(pkg.volumeUuid, pkgName); 12557 try { 12558 final PackageParser.Package newPackage = scanPackageTracedLI(pkg, parseFlags, 12559 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 12560 updateSettingsLI(newPackage, installerPackageName, volumeUuid, allUsers, 12561 perUserInstalled, res, user); 12562 prepareAppDataAfterInstall(newPackage); 12563 updatedSettings = true; 12564 } catch (PackageManagerException e) { 12565 res.setError("Package couldn't be installed in " + pkg.codePath, e); 12566 } 12567 } 12568 12569 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 12570 // remove package from internal structures. Note that we want deletePackageX to 12571 // delete the package data and cache directories that it created in 12572 // scanPackageLocked, unless those directories existed before we even tried to 12573 // install. 12574 if(updatedSettings) { 12575 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 12576 deletePackageLI( 12577 pkgName, null, true, allUsers, perUserInstalled, 12578 PackageManager.DELETE_KEEP_DATA, 12579 res.removedInfo, true); 12580 } 12581 // Since we failed to install the new package we need to restore the old 12582 // package that we deleted. 12583 if (deletedPkg) { 12584 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 12585 File restoreFile = new File(deletedPackage.codePath); 12586 // Parse old package 12587 boolean oldExternal = isExternal(deletedPackage); 12588 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 12589 (deletedPackage.isForwardLocked() ? PackageParser.PARSE_FORWARD_LOCK : 0) | 12590 (oldExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0); 12591 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 12592 try { 12593 scanPackageTracedLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, 12594 null); 12595 } catch (PackageManagerException e) { 12596 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 12597 + e.getMessage()); 12598 return; 12599 } 12600 // Restore of old package succeeded. Update permissions. 12601 // writer 12602 synchronized (mPackages) { 12603 updatePermissionsLPw(deletedPackage.packageName, deletedPackage, 12604 UPDATE_PERMISSIONS_ALL); 12605 // can downgrade to reader 12606 mSettings.writeLPr(); 12607 } 12608 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 12609 } 12610 } 12611 } 12612 12613 private void replaceSystemPackageLI(PackageParser.Package deletedPackage, 12614 PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user, 12615 int[] allUsers, boolean[] perUserInstalled, String installerPackageName, 12616 String volumeUuid, PackageInstalledInfo res) { 12617 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 12618 + ", old=" + deletedPackage); 12619 boolean disabledSystem = false; 12620 boolean updatedSettings = false; 12621 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 12622 if ((deletedPackage.applicationInfo.privateFlags&ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) 12623 != 0) { 12624 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 12625 } 12626 String packageName = deletedPackage.packageName; 12627 if (packageName == null) { 12628 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, 12629 "Attempt to delete null packageName."); 12630 return; 12631 } 12632 PackageParser.Package oldPkg; 12633 PackageSetting oldPkgSetting; 12634 // reader 12635 synchronized (mPackages) { 12636 oldPkg = mPackages.get(packageName); 12637 oldPkgSetting = mSettings.mPackages.get(packageName); 12638 if((oldPkg == null) || (oldPkg.applicationInfo == null) || 12639 (oldPkgSetting == null)) { 12640 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, 12641 "Couldn't find package " + packageName + " information"); 12642 return; 12643 } 12644 } 12645 12646 killApplication(packageName, oldPkg.applicationInfo.uid, "replace sys pkg"); 12647 12648 res.removedInfo.uid = oldPkg.applicationInfo.uid; 12649 res.removedInfo.removedPackage = packageName; 12650 // Remove existing system package 12651 removePackageLI(oldPkgSetting, true); 12652 // writer 12653 synchronized (mPackages) { 12654 disabledSystem = mSettings.disableSystemPackageLPw(packageName); 12655 if (!disabledSystem && deletedPackage != null) { 12656 // We didn't need to disable the .apk as a current system package, 12657 // which means we are replacing another update that is already 12658 // installed. We need to make sure to delete the older one's .apk. 12659 res.removedInfo.args = createInstallArgsForExisting(0, 12660 deletedPackage.applicationInfo.getCodePath(), 12661 deletedPackage.applicationInfo.getResourcePath(), 12662 getAppDexInstructionSets(deletedPackage.applicationInfo)); 12663 } else { 12664 res.removedInfo.args = null; 12665 } 12666 } 12667 12668 // Successfully disabled the old package. Now proceed with re-installation 12669 deleteCodeCacheDirsLI(pkg.volumeUuid, packageName); 12670 12671 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 12672 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 12673 12674 PackageParser.Package newPackage = null; 12675 try { 12676 newPackage = scanPackageTracedLI(pkg, parseFlags, scanFlags, 0, user); 12677 if (newPackage.mExtras != null) { 12678 final PackageSetting newPkgSetting = (PackageSetting) newPackage.mExtras; 12679 newPkgSetting.firstInstallTime = oldPkgSetting.firstInstallTime; 12680 newPkgSetting.lastUpdateTime = System.currentTimeMillis(); 12681 12682 // is the update attempting to change shared user? that isn't going to work... 12683 if (oldPkgSetting.sharedUser != newPkgSetting.sharedUser) { 12684 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 12685 "Forbidding shared user change from " + oldPkgSetting.sharedUser 12686 + " to " + newPkgSetting.sharedUser); 12687 updatedSettings = true; 12688 } 12689 } 12690 12691 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 12692 updateSettingsLI(newPackage, installerPackageName, volumeUuid, allUsers, 12693 perUserInstalled, res, user); 12694 prepareAppDataAfterInstall(newPackage); 12695 updatedSettings = true; 12696 } 12697 12698 } catch (PackageManagerException e) { 12699 res.setError("Package couldn't be installed in " + pkg.codePath, e); 12700 } 12701 12702 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 12703 // Re installation failed. Restore old information 12704 // Remove new pkg information 12705 if (newPackage != null) { 12706 removeInstalledPackageLI(newPackage, true); 12707 } 12708 // Add back the old system package 12709 try { 12710 scanPackageTracedLI(oldPkg, parseFlags, SCAN_UPDATE_SIGNATURE, 0, user); 12711 } catch (PackageManagerException e) { 12712 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 12713 } 12714 // Restore the old system information in Settings 12715 synchronized (mPackages) { 12716 if (disabledSystem) { 12717 mSettings.enableSystemPackageLPw(packageName); 12718 } 12719 if (updatedSettings) { 12720 mSettings.setInstallerPackageName(packageName, 12721 oldPkgSetting.installerPackageName); 12722 } 12723 mSettings.writeLPr(); 12724 } 12725 } 12726 } 12727 12728 private int[] revokeUnusedSharedUserPermissionsLPw(SharedUserSetting su, int[] allUserIds) { 12729 // Collect all used permissions in the UID 12730 ArraySet<String> usedPermissions = new ArraySet<>(); 12731 final int packageCount = su.packages.size(); 12732 for (int i = 0; i < packageCount; i++) { 12733 PackageSetting ps = su.packages.valueAt(i); 12734 if (ps.pkg == null) { 12735 continue; 12736 } 12737 final int requestedPermCount = ps.pkg.requestedPermissions.size(); 12738 for (int j = 0; j < requestedPermCount; j++) { 12739 String permission = ps.pkg.requestedPermissions.get(j); 12740 BasePermission bp = mSettings.mPermissions.get(permission); 12741 if (bp != null) { 12742 usedPermissions.add(permission); 12743 } 12744 } 12745 } 12746 12747 PermissionsState permissionsState = su.getPermissionsState(); 12748 // Prune install permissions 12749 List<PermissionState> installPermStates = permissionsState.getInstallPermissionStates(); 12750 final int installPermCount = installPermStates.size(); 12751 for (int i = installPermCount - 1; i >= 0; i--) { 12752 PermissionState permissionState = installPermStates.get(i); 12753 if (!usedPermissions.contains(permissionState.getName())) { 12754 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 12755 if (bp != null) { 12756 permissionsState.revokeInstallPermission(bp); 12757 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 12758 PackageManager.MASK_PERMISSION_FLAGS, 0); 12759 } 12760 } 12761 } 12762 12763 int[] runtimePermissionChangedUserIds = EmptyArray.INT; 12764 12765 // Prune runtime permissions 12766 for (int userId : allUserIds) { 12767 List<PermissionState> runtimePermStates = permissionsState 12768 .getRuntimePermissionStates(userId); 12769 final int runtimePermCount = runtimePermStates.size(); 12770 for (int i = runtimePermCount - 1; i >= 0; i--) { 12771 PermissionState permissionState = runtimePermStates.get(i); 12772 if (!usedPermissions.contains(permissionState.getName())) { 12773 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 12774 if (bp != null) { 12775 permissionsState.revokeRuntimePermission(bp, userId); 12776 permissionsState.updatePermissionFlags(bp, userId, 12777 PackageManager.MASK_PERMISSION_FLAGS, 0); 12778 runtimePermissionChangedUserIds = ArrayUtils.appendInt( 12779 runtimePermissionChangedUserIds, userId); 12780 } 12781 } 12782 } 12783 } 12784 12785 return runtimePermissionChangedUserIds; 12786 } 12787 12788 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 12789 String volumeUuid, int[] allUsers, boolean[] perUserInstalled, PackageInstalledInfo res, 12790 UserHandle user) { 12791 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 12792 12793 String pkgName = newPackage.packageName; 12794 synchronized (mPackages) { 12795 //write settings. the installStatus will be incomplete at this stage. 12796 //note that the new package setting would have already been 12797 //added to mPackages. It hasn't been persisted yet. 12798 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 12799 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 12800 mSettings.writeLPr(); 12801 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 12802 } 12803 12804 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 12805 synchronized (mPackages) { 12806 updatePermissionsLPw(newPackage.packageName, newPackage, 12807 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 12808 ? UPDATE_PERMISSIONS_ALL : 0)); 12809 // For system-bundled packages, we assume that installing an upgraded version 12810 // of the package implies that the user actually wants to run that new code, 12811 // so we enable the package. 12812 PackageSetting ps = mSettings.mPackages.get(pkgName); 12813 if (ps != null) { 12814 if (isSystemApp(newPackage)) { 12815 // NB: implicit assumption that system package upgrades apply to all users 12816 if (DEBUG_INSTALL) { 12817 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 12818 } 12819 if (res.origUsers != null) { 12820 for (int userHandle : res.origUsers) { 12821 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 12822 userHandle, installerPackageName); 12823 } 12824 } 12825 // Also convey the prior install/uninstall state 12826 if (allUsers != null && perUserInstalled != null) { 12827 for (int i = 0; i < allUsers.length; i++) { 12828 if (DEBUG_INSTALL) { 12829 Slog.d(TAG, " user " + allUsers[i] 12830 + " => " + perUserInstalled[i]); 12831 } 12832 ps.setInstalled(perUserInstalled[i], allUsers[i]); 12833 } 12834 // these install state changes will be persisted in the 12835 // upcoming call to mSettings.writeLPr(). 12836 } 12837 } 12838 // It's implied that when a user requests installation, they want the app to be 12839 // installed and enabled. 12840 int userId = user.getIdentifier(); 12841 if (userId != UserHandle.USER_ALL) { 12842 ps.setInstalled(true, userId); 12843 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, userId, installerPackageName); 12844 } 12845 } 12846 res.name = pkgName; 12847 res.uid = newPackage.applicationInfo.uid; 12848 res.pkg = newPackage; 12849 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 12850 mSettings.setInstallerPackageName(pkgName, installerPackageName); 12851 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 12852 //to update install status 12853 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 12854 mSettings.writeLPr(); 12855 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 12856 } 12857 12858 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 12859 } 12860 12861 private void installPackageTracedLI(InstallArgs args, PackageInstalledInfo res) { 12862 try { 12863 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installPackage"); 12864 installPackageLI(args, res); 12865 } finally { 12866 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 12867 } 12868 } 12869 12870 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 12871 final int installFlags = args.installFlags; 12872 final String installerPackageName = args.installerPackageName; 12873 final String volumeUuid = args.volumeUuid; 12874 final File tmpPackageFile = new File(args.getCodePath()); 12875 final boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 12876 final boolean onExternal = (((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) 12877 || (args.volumeUuid != null)); 12878 final boolean ephemeral = ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0); 12879 boolean replace = false; 12880 int scanFlags = SCAN_NEW_INSTALL | SCAN_UPDATE_SIGNATURE; 12881 if (args.move != null) { 12882 // moving a complete application; perfom an initial scan on the new install location 12883 scanFlags |= SCAN_INITIAL; 12884 } 12885 // Result object to be returned 12886 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 12887 12888 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 12889 12890 // Sanity check 12891 if (ephemeral && (forwardLocked || onExternal)) { 12892 Slog.i(TAG, "Incompatible ephemeral install; fwdLocked=" + forwardLocked 12893 + " external=" + onExternal); 12894 res.returnCode = PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID; 12895 return; 12896 } 12897 12898 // Retrieve PackageSettings and parse package 12899 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 12900 | PackageParser.PARSE_ENFORCE_CODE 12901 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 12902 | (onExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0) 12903 | (ephemeral ? PackageParser.PARSE_IS_EPHEMERAL : 0); 12904 PackageParser pp = new PackageParser(); 12905 pp.setSeparateProcesses(mSeparateProcesses); 12906 pp.setDisplayMetrics(mMetrics); 12907 12908 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 12909 final PackageParser.Package pkg; 12910 try { 12911 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 12912 } catch (PackageParserException e) { 12913 res.setError("Failed parse during installPackageLI", e); 12914 return; 12915 } finally { 12916 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 12917 } 12918 12919 // If package doesn't declare API override, mark that we have an install 12920 // time CPU ABI override. 12921 if (TextUtils.isEmpty(pkg.cpuAbiOverride)) { 12922 pkg.cpuAbiOverride = args.abiOverride; 12923 } 12924 12925 String pkgName = res.name = pkg.packageName; 12926 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 12927 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 12928 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 12929 return; 12930 } 12931 } 12932 12933 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "collectCertificates"); 12934 try { 12935 pp.collectCertificates(pkg, parseFlags); 12936 } catch (PackageParserException e) { 12937 res.setError("Failed collect during installPackageLI", e); 12938 return; 12939 } finally { 12940 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 12941 } 12942 12943 // Get rid of all references to package scan path via parser. 12944 pp = null; 12945 String oldCodePath = null; 12946 boolean systemApp = false; 12947 synchronized (mPackages) { 12948 // Check if installing already existing package 12949 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 12950 String oldName = mSettings.mRenamedPackages.get(pkgName); 12951 if (pkg.mOriginalPackages != null 12952 && pkg.mOriginalPackages.contains(oldName) 12953 && mPackages.containsKey(oldName)) { 12954 // This package is derived from an original package, 12955 // and this device has been updating from that original 12956 // name. We must continue using the original name, so 12957 // rename the new package here. 12958 pkg.setPackageName(oldName); 12959 pkgName = pkg.packageName; 12960 replace = true; 12961 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 12962 + oldName + " pkgName=" + pkgName); 12963 } else if (mPackages.containsKey(pkgName)) { 12964 // This package, under its official name, already exists 12965 // on the device; we should replace it. 12966 replace = true; 12967 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 12968 } 12969 12970 // Prevent apps opting out from runtime permissions 12971 if (replace) { 12972 PackageParser.Package oldPackage = mPackages.get(pkgName); 12973 final int oldTargetSdk = oldPackage.applicationInfo.targetSdkVersion; 12974 final int newTargetSdk = pkg.applicationInfo.targetSdkVersion; 12975 if (oldTargetSdk > Build.VERSION_CODES.LOLLIPOP_MR1 12976 && newTargetSdk <= Build.VERSION_CODES.LOLLIPOP_MR1) { 12977 res.setError(PackageManager.INSTALL_FAILED_PERMISSION_MODEL_DOWNGRADE, 12978 "Package " + pkg.packageName + " new target SDK " + newTargetSdk 12979 + " doesn't support runtime permissions but the old" 12980 + " target SDK " + oldTargetSdk + " does."); 12981 return; 12982 } 12983 } 12984 } 12985 12986 PackageSetting ps = mSettings.mPackages.get(pkgName); 12987 if (ps != null) { 12988 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 12989 12990 // Quick sanity check that we're signed correctly if updating; 12991 // we'll check this again later when scanning, but we want to 12992 // bail early here before tripping over redefined permissions. 12993 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 12994 if (!checkUpgradeKeySetLP(ps, pkg)) { 12995 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 12996 + pkg.packageName + " upgrade keys do not match the " 12997 + "previously installed version"); 12998 return; 12999 } 13000 } else { 13001 try { 13002 verifySignaturesLP(ps, pkg); 13003 } catch (PackageManagerException e) { 13004 res.setError(e.error, e.getMessage()); 13005 return; 13006 } 13007 } 13008 13009 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 13010 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 13011 systemApp = (ps.pkg.applicationInfo.flags & 13012 ApplicationInfo.FLAG_SYSTEM) != 0; 13013 } 13014 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 13015 } 13016 13017 // Check whether the newly-scanned package wants to define an already-defined perm 13018 int N = pkg.permissions.size(); 13019 for (int i = N-1; i >= 0; i--) { 13020 PackageParser.Permission perm = pkg.permissions.get(i); 13021 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 13022 if (bp != null) { 13023 // If the defining package is signed with our cert, it's okay. This 13024 // also includes the "updating the same package" case, of course. 13025 // "updating same package" could also involve key-rotation. 13026 final boolean sigsOk; 13027 if (bp.sourcePackage.equals(pkg.packageName) 13028 && (bp.packageSetting instanceof PackageSetting) 13029 && (shouldCheckUpgradeKeySetLP((PackageSetting) bp.packageSetting, 13030 scanFlags))) { 13031 sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg); 13032 } else { 13033 sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures, 13034 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 13035 } 13036 if (!sigsOk) { 13037 // If the owning package is the system itself, we log but allow 13038 // install to proceed; we fail the install on all other permission 13039 // redefinitions. 13040 if (!bp.sourcePackage.equals("android")) { 13041 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 13042 + pkg.packageName + " attempting to redeclare permission " 13043 + perm.info.name + " already owned by " + bp.sourcePackage); 13044 res.origPermission = perm.info.name; 13045 res.origPackage = bp.sourcePackage; 13046 return; 13047 } else { 13048 Slog.w(TAG, "Package " + pkg.packageName 13049 + " attempting to redeclare system permission " 13050 + perm.info.name + "; ignoring new declaration"); 13051 pkg.permissions.remove(i); 13052 } 13053 } 13054 } 13055 } 13056 13057 } 13058 13059 if (systemApp) { 13060 if (onExternal) { 13061 // Abort update; system app can't be replaced with app on sdcard 13062 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 13063 "Cannot install updates to system apps on sdcard"); 13064 return; 13065 } else if (ephemeral) { 13066 // Abort update; system app can't be replaced with an ephemeral app 13067 res.setError(INSTALL_FAILED_EPHEMERAL_INVALID, 13068 "Cannot update a system app with an ephemeral app"); 13069 return; 13070 } 13071 } 13072 13073 if (args.move != null) { 13074 // We did an in-place move, so dex is ready to roll 13075 scanFlags |= SCAN_NO_DEX; 13076 scanFlags |= SCAN_MOVE; 13077 13078 synchronized (mPackages) { 13079 final PackageSetting ps = mSettings.mPackages.get(pkgName); 13080 if (ps == null) { 13081 res.setError(INSTALL_FAILED_INTERNAL_ERROR, 13082 "Missing settings for moved package " + pkgName); 13083 } 13084 13085 // We moved the entire application as-is, so bring over the 13086 // previously derived ABI information. 13087 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 13088 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 13089 } 13090 13091 } else if (!forwardLocked && !pkg.applicationInfo.isExternalAsec()) { 13092 // Enable SCAN_NO_DEX flag to skip dexopt at a later stage 13093 scanFlags |= SCAN_NO_DEX; 13094 13095 try { 13096 String abiOverride = (TextUtils.isEmpty(pkg.cpuAbiOverride) ? 13097 args.abiOverride : pkg.cpuAbiOverride); 13098 derivePackageAbi(pkg, new File(pkg.codePath), abiOverride, 13099 true /* extract libs */); 13100 } catch (PackageManagerException pme) { 13101 Slog.e(TAG, "Error deriving application ABI", pme); 13102 res.setError(INSTALL_FAILED_INTERNAL_ERROR, "Error deriving application ABI"); 13103 return; 13104 } 13105 13106 // Extract package to save the VM unzipping the APK in memory during 13107 // launch. Only do this if profile-guided compilation is enabled because 13108 // otherwise BackgroundDexOptService will not dexopt the package later. 13109 if (mUseJitProfiles) { 13110 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 13111 // Do not run PackageDexOptimizer through the local performDexOpt 13112 // method because `pkg` is not in `mPackages` yet. 13113 int result = mPackageDexOptimizer.performDexOpt(pkg, null /* instructionSets */, 13114 false /* useProfiles */, true /* extractOnly */); 13115 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13116 if (result == PackageDexOptimizer.DEX_OPT_FAILED) { 13117 String msg = "Extracking package failed for " + pkgName; 13118 res.setError(INSTALL_FAILED_DEXOPT, msg); 13119 return; 13120 } 13121 } 13122 } 13123 13124 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 13125 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 13126 return; 13127 } 13128 13129 startIntentFilterVerifications(args.user.getIdentifier(), replace, pkg); 13130 13131 if (replace) { 13132 replacePackageLI(pkg, parseFlags, scanFlags | SCAN_REPLACING, args.user, 13133 installerPackageName, volumeUuid, res); 13134 } else { 13135 installNewPackageLI(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 13136 args.user, installerPackageName, volumeUuid, res); 13137 } 13138 synchronized (mPackages) { 13139 final PackageSetting ps = mSettings.mPackages.get(pkgName); 13140 if (ps != null) { 13141 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 13142 } 13143 } 13144 } 13145 13146 private void startIntentFilterVerifications(int userId, boolean replacing, 13147 PackageParser.Package pkg) { 13148 if (mIntentFilterVerifierComponent == null) { 13149 Slog.w(TAG, "No IntentFilter verification will not be done as " 13150 + "there is no IntentFilterVerifier available!"); 13151 return; 13152 } 13153 13154 final int verifierUid = getPackageUid( 13155 mIntentFilterVerifierComponent.getPackageName(), 13156 MATCH_DEBUG_TRIAGED_MISSING, 13157 (userId == UserHandle.USER_ALL) ? UserHandle.USER_SYSTEM : userId); 13158 13159 mHandler.removeMessages(START_INTENT_FILTER_VERIFICATIONS); 13160 final Message msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 13161 msg.obj = new IFVerificationParams(pkg, replacing, userId, verifierUid); 13162 mHandler.sendMessage(msg); 13163 } 13164 13165 private void verifyIntentFiltersIfNeeded(int userId, int verifierUid, boolean replacing, 13166 PackageParser.Package pkg) { 13167 int size = pkg.activities.size(); 13168 if (size == 0) { 13169 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 13170 "No activity, so no need to verify any IntentFilter!"); 13171 return; 13172 } 13173 13174 final boolean hasDomainURLs = hasDomainURLs(pkg); 13175 if (!hasDomainURLs) { 13176 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 13177 "No domain URLs, so no need to verify any IntentFilter!"); 13178 return; 13179 } 13180 13181 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Checking for userId:" + userId 13182 + " if any IntentFilter from the " + size 13183 + " Activities needs verification ..."); 13184 13185 int count = 0; 13186 final String packageName = pkg.packageName; 13187 13188 synchronized (mPackages) { 13189 // If this is a new install and we see that we've already run verification for this 13190 // package, we have nothing to do: it means the state was restored from backup. 13191 if (!replacing) { 13192 IntentFilterVerificationInfo ivi = 13193 mSettings.getIntentFilterVerificationLPr(packageName); 13194 if (ivi != null) { 13195 if (DEBUG_DOMAIN_VERIFICATION) { 13196 Slog.i(TAG, "Package " + packageName+ " already verified: status=" 13197 + ivi.getStatusString()); 13198 } 13199 return; 13200 } 13201 } 13202 13203 // If any filters need to be verified, then all need to be. 13204 boolean needToVerify = false; 13205 for (PackageParser.Activity a : pkg.activities) { 13206 for (ActivityIntentInfo filter : a.intents) { 13207 if (filter.needsVerification() && needsNetworkVerificationLPr(filter)) { 13208 if (DEBUG_DOMAIN_VERIFICATION) { 13209 Slog.d(TAG, "Intent filter needs verification, so processing all filters"); 13210 } 13211 needToVerify = true; 13212 break; 13213 } 13214 } 13215 } 13216 13217 if (needToVerify) { 13218 final int verificationId = mIntentFilterVerificationToken++; 13219 for (PackageParser.Activity a : pkg.activities) { 13220 for (ActivityIntentInfo filter : a.intents) { 13221 if (filter.handlesWebUris(true) && needsNetworkVerificationLPr(filter)) { 13222 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 13223 "Verification needed for IntentFilter:" + filter.toString()); 13224 mIntentFilterVerifier.addOneIntentFilterVerification( 13225 verifierUid, userId, verificationId, filter, packageName); 13226 count++; 13227 } 13228 } 13229 } 13230 } 13231 } 13232 13233 if (count > 0) { 13234 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Starting " + count 13235 + " IntentFilter verification" + (count > 1 ? "s" : "") 13236 + " for userId:" + userId); 13237 mIntentFilterVerifier.startVerifications(userId); 13238 } else { 13239 if (DEBUG_DOMAIN_VERIFICATION) { 13240 Slog.d(TAG, "No filters or not all autoVerify for " + packageName); 13241 } 13242 } 13243 } 13244 13245 private boolean needsNetworkVerificationLPr(ActivityIntentInfo filter) { 13246 final ComponentName cn = filter.activity.getComponentName(); 13247 final String packageName = cn.getPackageName(); 13248 13249 IntentFilterVerificationInfo ivi = mSettings.getIntentFilterVerificationLPr( 13250 packageName); 13251 if (ivi == null) { 13252 return true; 13253 } 13254 int status = ivi.getStatus(); 13255 switch (status) { 13256 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 13257 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 13258 return true; 13259 13260 default: 13261 // Nothing to do 13262 return false; 13263 } 13264 } 13265 13266 private static boolean isMultiArch(ApplicationInfo info) { 13267 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 13268 } 13269 13270 private static boolean isExternal(PackageParser.Package pkg) { 13271 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 13272 } 13273 13274 private static boolean isExternal(PackageSetting ps) { 13275 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 13276 } 13277 13278 private static boolean isEphemeral(PackageParser.Package pkg) { 13279 return pkg.applicationInfo.isEphemeralApp(); 13280 } 13281 13282 private static boolean isEphemeral(PackageSetting ps) { 13283 return ps.pkg != null && isEphemeral(ps.pkg); 13284 } 13285 13286 private static boolean isSystemApp(PackageParser.Package pkg) { 13287 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 13288 } 13289 13290 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 13291 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 13292 } 13293 13294 private static boolean hasDomainURLs(PackageParser.Package pkg) { 13295 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_HAS_DOMAIN_URLS) != 0; 13296 } 13297 13298 private static boolean isSystemApp(PackageSetting ps) { 13299 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 13300 } 13301 13302 private static boolean isUpdatedSystemApp(PackageSetting ps) { 13303 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 13304 } 13305 13306 private int packageFlagsToInstallFlags(PackageSetting ps) { 13307 int installFlags = 0; 13308 if (isEphemeral(ps)) { 13309 installFlags |= PackageManager.INSTALL_EPHEMERAL; 13310 } 13311 if (isExternal(ps) && TextUtils.isEmpty(ps.volumeUuid)) { 13312 // This existing package was an external ASEC install when we have 13313 // the external flag without a UUID 13314 installFlags |= PackageManager.INSTALL_EXTERNAL; 13315 } 13316 if (ps.isForwardLocked()) { 13317 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 13318 } 13319 return installFlags; 13320 } 13321 13322 private String getVolumeUuidForPackage(PackageParser.Package pkg) { 13323 if (isExternal(pkg)) { 13324 if (TextUtils.isEmpty(pkg.volumeUuid)) { 13325 return StorageManager.UUID_PRIMARY_PHYSICAL; 13326 } else { 13327 return pkg.volumeUuid; 13328 } 13329 } else { 13330 return StorageManager.UUID_PRIVATE_INTERNAL; 13331 } 13332 } 13333 13334 private VersionInfo getSettingsVersionForPackage(PackageParser.Package pkg) { 13335 if (isExternal(pkg)) { 13336 if (TextUtils.isEmpty(pkg.volumeUuid)) { 13337 return mSettings.getExternalVersion(); 13338 } else { 13339 return mSettings.findOrCreateVersion(pkg.volumeUuid); 13340 } 13341 } else { 13342 return mSettings.getInternalVersion(); 13343 } 13344 } 13345 13346 private void deleteTempPackageFiles() { 13347 final FilenameFilter filter = new FilenameFilter() { 13348 public boolean accept(File dir, String name) { 13349 return name.startsWith("vmdl") && name.endsWith(".tmp"); 13350 } 13351 }; 13352 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 13353 file.delete(); 13354 } 13355 } 13356 13357 @Override 13358 public void deletePackageAsUser(String packageName, IPackageDeleteObserver observer, int userId, 13359 int flags) { 13360 deletePackage(packageName, new LegacyPackageDeleteObserver(observer).getBinder(), userId, 13361 flags); 13362 } 13363 13364 @Override 13365 public void deletePackage(final String packageName, 13366 final IPackageDeleteObserver2 observer, final int userId, final int flags) { 13367 mContext.enforceCallingOrSelfPermission( 13368 android.Manifest.permission.DELETE_PACKAGES, null); 13369 Preconditions.checkNotNull(packageName); 13370 Preconditions.checkNotNull(observer); 13371 final int uid = Binder.getCallingUid(); 13372 final boolean deleteAllUsers = (flags & PackageManager.DELETE_ALL_USERS) != 0; 13373 final int[] users = deleteAllUsers ? sUserManager.getUserIds() : new int[]{ userId }; 13374 if (UserHandle.getUserId(uid) != userId || (deleteAllUsers && users.length > 1)) { 13375 mContext.enforceCallingOrSelfPermission( 13376 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 13377 "deletePackage for user " + userId); 13378 } 13379 13380 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 13381 try { 13382 observer.onPackageDeleted(packageName, 13383 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 13384 } catch (RemoteException re) { 13385 } 13386 return; 13387 } 13388 13389 for (int currentUserId : users) { 13390 if (getBlockUninstallForUser(packageName, currentUserId)) { 13391 try { 13392 observer.onPackageDeleted(packageName, 13393 PackageManager.DELETE_FAILED_OWNER_BLOCKED, null); 13394 } catch (RemoteException re) { 13395 } 13396 return; 13397 } 13398 } 13399 13400 if (DEBUG_REMOVE) { 13401 Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId); 13402 } 13403 // Queue up an async operation since the package deletion may take a little while. 13404 mHandler.post(new Runnable() { 13405 public void run() { 13406 mHandler.removeCallbacks(this); 13407 final int returnCode = deletePackageX(packageName, userId, flags); 13408 try { 13409 observer.onPackageDeleted(packageName, returnCode, null); 13410 } catch (RemoteException e) { 13411 Log.i(TAG, "Observer no longer exists."); 13412 } //end catch 13413 } //end run 13414 }); 13415 } 13416 13417 private boolean isPackageDeviceAdmin(String packageName, int userId) { 13418 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 13419 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 13420 try { 13421 if (dpm != null) { 13422 final ComponentName deviceOwnerComponentName = dpm.getDeviceOwnerComponent( 13423 /* callingUserOnly =*/ false); 13424 final String deviceOwnerPackageName = deviceOwnerComponentName == null ? null 13425 : deviceOwnerComponentName.getPackageName(); 13426 // Does the package contains the device owner? 13427 // TODO Do we have to do it even if userId != UserHandle.USER_ALL? Otherwise, 13428 // this check is probably not needed, since DO should be registered as a device 13429 // admin on some user too. (Original bug for this: b/17657954) 13430 if (packageName.equals(deviceOwnerPackageName)) { 13431 return true; 13432 } 13433 // Does it contain a device admin for any user? 13434 int[] users; 13435 if (userId == UserHandle.USER_ALL) { 13436 users = sUserManager.getUserIds(); 13437 } else { 13438 users = new int[]{userId}; 13439 } 13440 for (int i = 0; i < users.length; ++i) { 13441 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 13442 return true; 13443 } 13444 } 13445 } 13446 } catch (RemoteException e) { 13447 } 13448 return false; 13449 } 13450 13451 private boolean shouldKeepUninstalledPackageLPr(String packageName) { 13452 return mKeepUninstalledPackages != null && mKeepUninstalledPackages.contains(packageName); 13453 } 13454 13455 /** 13456 * This method is an internal method that could be get invoked either 13457 * to delete an installed package or to clean up a failed installation. 13458 * After deleting an installed package, a broadcast is sent to notify any 13459 * listeners that the package has been installed. For cleaning up a failed 13460 * installation, the broadcast is not necessary since the package's 13461 * installation wouldn't have sent the initial broadcast either 13462 * The key steps in deleting a package are 13463 * deleting the package information in internal structures like mPackages, 13464 * deleting the packages base directories through installd 13465 * updating mSettings to reflect current status 13466 * persisting settings for later use 13467 * sending a broadcast if necessary 13468 */ 13469 private int deletePackageX(String packageName, int userId, int flags) { 13470 final PackageRemovedInfo info = new PackageRemovedInfo(); 13471 final boolean res; 13472 13473 final UserHandle removeForUser = (flags & PackageManager.DELETE_ALL_USERS) != 0 13474 ? UserHandle.ALL : new UserHandle(userId); 13475 13476 if (isPackageDeviceAdmin(packageName, removeForUser.getIdentifier())) { 13477 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 13478 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 13479 } 13480 13481 boolean removedForAllUsers = false; 13482 boolean systemUpdate = false; 13483 13484 PackageParser.Package uninstalledPkg; 13485 13486 // for the uninstall-updates case and restricted profiles, remember the per- 13487 // userhandle installed state 13488 int[] allUsers; 13489 boolean[] perUserInstalled; 13490 synchronized (mPackages) { 13491 uninstalledPkg = mPackages.get(packageName); 13492 PackageSetting ps = mSettings.mPackages.get(packageName); 13493 allUsers = sUserManager.getUserIds(); 13494 perUserInstalled = new boolean[allUsers.length]; 13495 for (int i = 0; i < allUsers.length; i++) { 13496 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 13497 } 13498 } 13499 13500 synchronized (mInstallLock) { 13501 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 13502 res = deletePackageLI(packageName, removeForUser, 13503 true, allUsers, perUserInstalled, 13504 flags | REMOVE_CHATTY, info, true); 13505 systemUpdate = info.isRemovedPackageSystemUpdate; 13506 synchronized (mPackages) { 13507 if (res) { 13508 if (!systemUpdate && mPackages.get(packageName) == null) { 13509 removedForAllUsers = true; 13510 } 13511 mEphemeralApplicationRegistry.onPackageUninstalledLPw(uninstalledPkg); 13512 } 13513 } 13514 if (DEBUG_REMOVE) Slog.d(TAG, "delete res: systemUpdate=" + systemUpdate 13515 + " removedForAllUsers=" + removedForAllUsers); 13516 } 13517 13518 if (res) { 13519 info.sendBroadcast(true, systemUpdate, removedForAllUsers); 13520 13521 // If the removed package was a system update, the old system package 13522 // was re-enabled; we need to broadcast this information 13523 if (systemUpdate) { 13524 Bundle extras = new Bundle(1); 13525 extras.putInt(Intent.EXTRA_UID, info.removedAppId >= 0 13526 ? info.removedAppId : info.uid); 13527 extras.putBoolean(Intent.EXTRA_REPLACING, true); 13528 13529 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 13530 extras, 0, null, null, null); 13531 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, packageName, 13532 extras, 0, null, null, null); 13533 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 13534 null, 0, packageName, null, null); 13535 } 13536 } 13537 // Force a gc here. 13538 Runtime.getRuntime().gc(); 13539 // Delete the resources here after sending the broadcast to let 13540 // other processes clean up before deleting resources. 13541 if (info.args != null) { 13542 synchronized (mInstallLock) { 13543 info.args.doPostDeleteLI(true); 13544 } 13545 } 13546 13547 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 13548 } 13549 13550 class PackageRemovedInfo { 13551 String removedPackage; 13552 int uid = -1; 13553 int removedAppId = -1; 13554 int[] removedUsers = null; 13555 boolean isRemovedPackageSystemUpdate = false; 13556 // Clean up resources deleted packages. 13557 InstallArgs args = null; 13558 13559 void sendBroadcast(boolean fullRemove, boolean replacing, boolean removedForAllUsers) { 13560 Bundle extras = new Bundle(1); 13561 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 13562 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, fullRemove); 13563 if (replacing) { 13564 extras.putBoolean(Intent.EXTRA_REPLACING, true); 13565 } 13566 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 13567 if (removedPackage != null) { 13568 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 13569 extras, 0, null, null, removedUsers); 13570 if (fullRemove && !replacing) { 13571 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, removedPackage, 13572 extras, 0, null, null, removedUsers); 13573 } 13574 } 13575 if (removedAppId >= 0) { 13576 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, 0, null, null, 13577 removedUsers); 13578 } 13579 } 13580 } 13581 13582 /* 13583 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 13584 * flag is not set, the data directory is removed as well. 13585 * make sure this flag is set for partially installed apps. If not its meaningless to 13586 * delete a partially installed application. 13587 */ 13588 private void removePackageDataLI(PackageSetting ps, 13589 int[] allUserHandles, boolean[] perUserInstalled, 13590 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 13591 String packageName = ps.name; 13592 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 13593 removePackageLI(ps, (flags&REMOVE_CHATTY) != 0); 13594 // Retrieve object to delete permissions for shared user later on 13595 final PackageSetting deletedPs; 13596 // reader 13597 synchronized (mPackages) { 13598 deletedPs = mSettings.mPackages.get(packageName); 13599 if (outInfo != null) { 13600 outInfo.removedPackage = packageName; 13601 outInfo.removedUsers = deletedPs != null 13602 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 13603 : null; 13604 } 13605 } 13606 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 13607 removeDataDirsLI(ps.volumeUuid, packageName); 13608 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 13609 } 13610 // writer 13611 synchronized (mPackages) { 13612 if (deletedPs != null) { 13613 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 13614 clearIntentFilterVerificationsLPw(deletedPs.name, UserHandle.USER_ALL); 13615 clearDefaultBrowserIfNeeded(packageName); 13616 if (outInfo != null) { 13617 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 13618 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 13619 } 13620 updatePermissionsLPw(deletedPs.name, null, 0); 13621 if (deletedPs.sharedUser != null) { 13622 // Remove permissions associated with package. Since runtime 13623 // permissions are per user we have to kill the removed package 13624 // or packages running under the shared user of the removed 13625 // package if revoking the permissions requested only by the removed 13626 // package is successful and this causes a change in gids. 13627 for (int userId : UserManagerService.getInstance().getUserIds()) { 13628 final int userIdToKill = mSettings.updateSharedUserPermsLPw(deletedPs, 13629 userId); 13630 if (userIdToKill == UserHandle.USER_ALL 13631 || userIdToKill >= UserHandle.USER_SYSTEM) { 13632 // If gids changed for this user, kill all affected packages. 13633 mHandler.post(new Runnable() { 13634 @Override 13635 public void run() { 13636 // This has to happen with no lock held. 13637 killApplication(deletedPs.name, deletedPs.appId, 13638 KILL_APP_REASON_GIDS_CHANGED); 13639 } 13640 }); 13641 break; 13642 } 13643 } 13644 } 13645 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 13646 } 13647 // make sure to preserve per-user disabled state if this removal was just 13648 // a downgrade of a system app to the factory package 13649 if (allUserHandles != null && perUserInstalled != null) { 13650 if (DEBUG_REMOVE) { 13651 Slog.d(TAG, "Propagating install state across downgrade"); 13652 } 13653 for (int i = 0; i < allUserHandles.length; i++) { 13654 if (DEBUG_REMOVE) { 13655 Slog.d(TAG, " user " + allUserHandles[i] 13656 + " => " + perUserInstalled[i]); 13657 } 13658 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 13659 } 13660 } 13661 } 13662 // can downgrade to reader 13663 if (writeSettings) { 13664 // Save settings now 13665 mSettings.writeLPr(); 13666 } 13667 } 13668 if (outInfo != null) { 13669 // A user ID was deleted here. Go through all users and remove it 13670 // from KeyStore. 13671 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 13672 } 13673 } 13674 13675 static boolean locationIsPrivileged(File path) { 13676 try { 13677 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 13678 .getCanonicalPath(); 13679 return path.getCanonicalPath().startsWith(privilegedAppDir); 13680 } catch (IOException e) { 13681 Slog.e(TAG, "Unable to access code path " + path); 13682 } 13683 return false; 13684 } 13685 13686 /* 13687 * Tries to delete system package. 13688 */ 13689 private boolean deleteSystemPackageLI(PackageSetting newPs, 13690 int[] allUserHandles, boolean[] perUserInstalled, 13691 int flags, PackageRemovedInfo outInfo, boolean writeSettings) { 13692 final boolean applyUserRestrictions 13693 = (allUserHandles != null) && (perUserInstalled != null); 13694 PackageSetting disabledPs = null; 13695 // Confirm if the system package has been updated 13696 // An updated system app can be deleted. This will also have to restore 13697 // the system pkg from system partition 13698 // reader 13699 synchronized (mPackages) { 13700 disabledPs = mSettings.getDisabledSystemPkgLPr(newPs.name); 13701 } 13702 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + newPs 13703 + " disabledPs=" + disabledPs); 13704 if (disabledPs == null) { 13705 Slog.w(TAG, "Attempt to delete unknown system package "+ newPs.name); 13706 return false; 13707 } else if (DEBUG_REMOVE) { 13708 Slog.d(TAG, "Deleting system pkg from data partition"); 13709 } 13710 if (DEBUG_REMOVE) { 13711 if (applyUserRestrictions) { 13712 Slog.d(TAG, "Remembering install states:"); 13713 for (int i = 0; i < allUserHandles.length; i++) { 13714 Slog.d(TAG, " u=" + allUserHandles[i] + " inst=" + perUserInstalled[i]); 13715 } 13716 } 13717 } 13718 // Delete the updated package 13719 outInfo.isRemovedPackageSystemUpdate = true; 13720 if (disabledPs.versionCode < newPs.versionCode) { 13721 // Delete data for downgrades 13722 flags &= ~PackageManager.DELETE_KEEP_DATA; 13723 } else { 13724 // Preserve data by setting flag 13725 flags |= PackageManager.DELETE_KEEP_DATA; 13726 } 13727 boolean ret = deleteInstalledPackageLI(newPs, true, flags, 13728 allUserHandles, perUserInstalled, outInfo, writeSettings); 13729 if (!ret) { 13730 return false; 13731 } 13732 // writer 13733 synchronized (mPackages) { 13734 // Reinstate the old system package 13735 mSettings.enableSystemPackageLPw(newPs.name); 13736 // Remove any native libraries from the upgraded package. 13737 NativeLibraryHelper.removeNativeBinariesLI(newPs.legacyNativeLibraryPathString); 13738 } 13739 // Install the system package 13740 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 13741 int parseFlags = PackageParser.PARSE_MUST_BE_APK | PackageParser.PARSE_IS_SYSTEM; 13742 if (locationIsPrivileged(disabledPs.codePath)) { 13743 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 13744 } 13745 13746 final PackageParser.Package newPkg; 13747 try { 13748 newPkg = scanPackageTracedLI(disabledPs.codePath, parseFlags, SCAN_NO_PATHS, 0, null); 13749 } catch (PackageManagerException e) { 13750 Slog.w(TAG, "Failed to restore system package " + newPs.name + ": " + e.getMessage()); 13751 return false; 13752 } 13753 13754 prepareAppDataAfterInstall(newPkg); 13755 13756 // writer 13757 synchronized (mPackages) { 13758 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 13759 13760 // Propagate the permissions state as we do not want to drop on the floor 13761 // runtime permissions. The update permissions method below will take 13762 // care of removing obsolete permissions and grant install permissions. 13763 ps.getPermissionsState().copyFrom(newPs.getPermissionsState()); 13764 updatePermissionsLPw(newPkg.packageName, newPkg, 13765 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 13766 13767 if (applyUserRestrictions) { 13768 if (DEBUG_REMOVE) { 13769 Slog.d(TAG, "Propagating install state across reinstall"); 13770 } 13771 for (int i = 0; i < allUserHandles.length; i++) { 13772 if (DEBUG_REMOVE) { 13773 Slog.d(TAG, " user " + allUserHandles[i] 13774 + " => " + perUserInstalled[i]); 13775 } 13776 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 13777 13778 mSettings.writeRuntimePermissionsForUserLPr(allUserHandles[i], false); 13779 } 13780 // Regardless of writeSettings we need to ensure that this restriction 13781 // state propagation is persisted 13782 mSettings.writeAllUsersPackageRestrictionsLPr(); 13783 } 13784 // can downgrade to reader here 13785 if (writeSettings) { 13786 mSettings.writeLPr(); 13787 } 13788 } 13789 return true; 13790 } 13791 13792 private boolean deleteInstalledPackageLI(PackageSetting ps, 13793 boolean deleteCodeAndResources, int flags, 13794 int[] allUserHandles, boolean[] perUserInstalled, 13795 PackageRemovedInfo outInfo, boolean writeSettings) { 13796 if (outInfo != null) { 13797 outInfo.uid = ps.appId; 13798 } 13799 13800 // Delete package data from internal structures and also remove data if flag is set 13801 removePackageDataLI(ps, allUserHandles, perUserInstalled, outInfo, flags, writeSettings); 13802 13803 // Delete application code and resources 13804 if (deleteCodeAndResources && (outInfo != null)) { 13805 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 13806 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 13807 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 13808 } 13809 return true; 13810 } 13811 13812 @Override 13813 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 13814 int userId) { 13815 mContext.enforceCallingOrSelfPermission( 13816 android.Manifest.permission.DELETE_PACKAGES, null); 13817 synchronized (mPackages) { 13818 PackageSetting ps = mSettings.mPackages.get(packageName); 13819 if (ps == null) { 13820 Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); 13821 return false; 13822 } 13823 if (!ps.getInstalled(userId)) { 13824 // Can't block uninstall for an app that is not installed or enabled. 13825 Log.i(TAG, "Package not installed in set block uninstall " + packageName); 13826 return false; 13827 } 13828 ps.setBlockUninstall(blockUninstall, userId); 13829 mSettings.writePackageRestrictionsLPr(userId); 13830 } 13831 return true; 13832 } 13833 13834 @Override 13835 public boolean getBlockUninstallForUser(String packageName, int userId) { 13836 synchronized (mPackages) { 13837 PackageSetting ps = mSettings.mPackages.get(packageName); 13838 if (ps == null) { 13839 Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); 13840 return false; 13841 } 13842 return ps.getBlockUninstall(userId); 13843 } 13844 } 13845 13846 @Override 13847 public boolean setRequiredForSystemUser(String packageName, boolean systemUserApp) { 13848 int callingUid = Binder.getCallingUid(); 13849 if (callingUid != Process.SYSTEM_UID && callingUid != Process.ROOT_UID) { 13850 throw new SecurityException( 13851 "setRequiredForSystemUser can only be run by the system or root"); 13852 } 13853 synchronized (mPackages) { 13854 PackageSetting ps = mSettings.mPackages.get(packageName); 13855 if (ps == null) { 13856 Log.w(TAG, "Package doesn't exist: " + packageName); 13857 return false; 13858 } 13859 if (systemUserApp) { 13860 ps.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 13861 } else { 13862 ps.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 13863 } 13864 mSettings.writeLPr(); 13865 } 13866 return true; 13867 } 13868 13869 /* 13870 * This method handles package deletion in general 13871 */ 13872 private boolean deletePackageLI(String packageName, UserHandle user, 13873 boolean deleteCodeAndResources, int[] allUserHandles, boolean[] perUserInstalled, 13874 int flags, PackageRemovedInfo outInfo, 13875 boolean writeSettings) { 13876 if (packageName == null) { 13877 Slog.w(TAG, "Attempt to delete null packageName."); 13878 return false; 13879 } 13880 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 13881 PackageSetting ps; 13882 boolean dataOnly = false; 13883 int removeUser = -1; 13884 int appId = -1; 13885 synchronized (mPackages) { 13886 ps = mSettings.mPackages.get(packageName); 13887 if (ps == null) { 13888 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 13889 return false; 13890 } 13891 if ((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 13892 && user.getIdentifier() != UserHandle.USER_ALL) { 13893 // The caller is asking that the package only be deleted for a single 13894 // user. To do this, we just mark its uninstalled state and delete 13895 // its data. If this is a system app, we only allow this to happen if 13896 // they have set the special DELETE_SYSTEM_APP which requests different 13897 // semantics than normal for uninstalling system apps. 13898 if (DEBUG_REMOVE) Slog.d(TAG, "Only deleting for single user"); 13899 final int userId = user.getIdentifier(); 13900 ps.setUserState(userId, 13901 COMPONENT_ENABLED_STATE_DEFAULT, 13902 false, //installed 13903 true, //stopped 13904 true, //notLaunched 13905 false, //hidden 13906 false, //suspended 13907 null, null, null, 13908 false, // blockUninstall 13909 ps.readUserState(userId).domainVerificationStatus, 0); 13910 if (!isSystemApp(ps)) { 13911 // Do not uninstall the APK if an app should be cached 13912 boolean keepUninstalledPackage = shouldKeepUninstalledPackageLPr(packageName); 13913 if (ps.isAnyInstalled(sUserManager.getUserIds()) || keepUninstalledPackage) { 13914 // Other user still have this package installed, so all 13915 // we need to do is clear this user's data and save that 13916 // it is uninstalled. 13917 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 13918 removeUser = user.getIdentifier(); 13919 appId = ps.appId; 13920 scheduleWritePackageRestrictionsLocked(removeUser); 13921 } else { 13922 // We need to set it back to 'installed' so the uninstall 13923 // broadcasts will be sent correctly. 13924 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 13925 ps.setInstalled(true, user.getIdentifier()); 13926 } 13927 } else { 13928 // This is a system app, so we assume that the 13929 // other users still have this package installed, so all 13930 // we need to do is clear this user's data and save that 13931 // it is uninstalled. 13932 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 13933 removeUser = user.getIdentifier(); 13934 appId = ps.appId; 13935 scheduleWritePackageRestrictionsLocked(removeUser); 13936 } 13937 } 13938 } 13939 13940 if (removeUser >= 0) { 13941 // From above, we determined that we are deleting this only 13942 // for a single user. Continue the work here. 13943 if (DEBUG_REMOVE) Slog.d(TAG, "Updating install state for user: " + removeUser); 13944 if (outInfo != null) { 13945 outInfo.removedPackage = packageName; 13946 outInfo.removedAppId = appId; 13947 outInfo.removedUsers = new int[] {removeUser}; 13948 } 13949 // TODO: triage flags as part of 26466827 13950 final int installerFlags = Installer.FLAG_CE_STORAGE | Installer.FLAG_DE_STORAGE; 13951 try { 13952 mInstaller.destroyAppData(ps.volumeUuid, packageName, removeUser, installerFlags); 13953 } catch (InstallerException e) { 13954 Slog.w(TAG, "Failed to delete app data", e); 13955 } 13956 removeKeystoreDataIfNeeded(removeUser, appId); 13957 schedulePackageCleaning(packageName, removeUser, false); 13958 synchronized (mPackages) { 13959 if (clearPackagePreferredActivitiesLPw(packageName, removeUser)) { 13960 scheduleWritePackageRestrictionsLocked(removeUser); 13961 } 13962 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, removeUser); 13963 } 13964 return true; 13965 } 13966 13967 if (dataOnly) { 13968 // Delete application data first 13969 if (DEBUG_REMOVE) Slog.d(TAG, "Removing package data only"); 13970 removePackageDataLI(ps, null, null, outInfo, flags, writeSettings); 13971 return true; 13972 } 13973 13974 boolean ret = false; 13975 if (isSystemApp(ps)) { 13976 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package: " + ps.name); 13977 // When an updated system application is deleted we delete the existing resources as well and 13978 // fall back to existing code in system partition 13979 ret = deleteSystemPackageLI(ps, allUserHandles, perUserInstalled, 13980 flags, outInfo, writeSettings); 13981 } else { 13982 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package: " + ps.name); 13983 // Kill application pre-emptively especially for apps on sd. 13984 killApplication(packageName, ps.appId, "uninstall pkg"); 13985 ret = deleteInstalledPackageLI(ps, deleteCodeAndResources, flags, 13986 allUserHandles, perUserInstalled, 13987 outInfo, writeSettings); 13988 } 13989 13990 return ret; 13991 } 13992 13993 private final static class ClearStorageConnection implements ServiceConnection { 13994 IMediaContainerService mContainerService; 13995 13996 @Override 13997 public void onServiceConnected(ComponentName name, IBinder service) { 13998 synchronized (this) { 13999 mContainerService = IMediaContainerService.Stub.asInterface(service); 14000 notifyAll(); 14001 } 14002 } 14003 14004 @Override 14005 public void onServiceDisconnected(ComponentName name) { 14006 } 14007 } 14008 14009 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 14010 final boolean mounted; 14011 if (Environment.isExternalStorageEmulated()) { 14012 mounted = true; 14013 } else { 14014 final String status = Environment.getExternalStorageState(); 14015 14016 mounted = status.equals(Environment.MEDIA_MOUNTED) 14017 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 14018 } 14019 14020 if (!mounted) { 14021 return; 14022 } 14023 14024 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 14025 int[] users; 14026 if (userId == UserHandle.USER_ALL) { 14027 users = sUserManager.getUserIds(); 14028 } else { 14029 users = new int[] { userId }; 14030 } 14031 final ClearStorageConnection conn = new ClearStorageConnection(); 14032 if (mContext.bindServiceAsUser( 14033 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 14034 try { 14035 for (int curUser : users) { 14036 long timeout = SystemClock.uptimeMillis() + 5000; 14037 synchronized (conn) { 14038 long now = SystemClock.uptimeMillis(); 14039 while (conn.mContainerService == null && now < timeout) { 14040 try { 14041 conn.wait(timeout - now); 14042 } catch (InterruptedException e) { 14043 } 14044 } 14045 } 14046 if (conn.mContainerService == null) { 14047 return; 14048 } 14049 14050 final UserEnvironment userEnv = new UserEnvironment(curUser); 14051 clearDirectory(conn.mContainerService, 14052 userEnv.buildExternalStorageAppCacheDirs(packageName)); 14053 if (allData) { 14054 clearDirectory(conn.mContainerService, 14055 userEnv.buildExternalStorageAppDataDirs(packageName)); 14056 clearDirectory(conn.mContainerService, 14057 userEnv.buildExternalStorageAppMediaDirs(packageName)); 14058 } 14059 } 14060 } finally { 14061 mContext.unbindService(conn); 14062 } 14063 } 14064 } 14065 14066 @Override 14067 public void clearApplicationUserData(final String packageName, 14068 final IPackageDataObserver observer, final int userId) { 14069 mContext.enforceCallingOrSelfPermission( 14070 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 14071 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, "clear application data"); 14072 // Queue up an async operation since the package deletion may take a little while. 14073 mHandler.post(new Runnable() { 14074 public void run() { 14075 mHandler.removeCallbacks(this); 14076 final boolean succeeded; 14077 synchronized (mInstallLock) { 14078 succeeded = clearApplicationUserDataLI(packageName, userId); 14079 } 14080 clearExternalStorageDataSync(packageName, userId, true); 14081 if (succeeded) { 14082 // invoke DeviceStorageMonitor's update method to clear any notifications 14083 DeviceStorageMonitorInternal 14084 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 14085 if (dsm != null) { 14086 dsm.checkMemory(); 14087 } 14088 } 14089 if(observer != null) { 14090 try { 14091 observer.onRemoveCompleted(packageName, succeeded); 14092 } catch (RemoteException e) { 14093 Log.i(TAG, "Observer no longer exists."); 14094 } 14095 } //end if observer 14096 } //end run 14097 }); 14098 } 14099 14100 private boolean clearApplicationUserDataLI(String packageName, int userId) { 14101 if (packageName == null) { 14102 Slog.w(TAG, "Attempt to delete null packageName."); 14103 return false; 14104 } 14105 14106 // Try finding details about the requested package 14107 PackageParser.Package pkg; 14108 synchronized (mPackages) { 14109 pkg = mPackages.get(packageName); 14110 if (pkg == null) { 14111 final PackageSetting ps = mSettings.mPackages.get(packageName); 14112 if (ps != null) { 14113 pkg = ps.pkg; 14114 } 14115 } 14116 14117 if (pkg == null) { 14118 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 14119 return false; 14120 } 14121 14122 PackageSetting ps = (PackageSetting) pkg.mExtras; 14123 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 14124 } 14125 14126 // Always delete data directories for package, even if we found no other 14127 // record of app. This helps users recover from UID mismatches without 14128 // resorting to a full data wipe. 14129 // TODO: triage flags as part of 26466827 14130 final int flags = Installer.FLAG_CE_STORAGE | Installer.FLAG_DE_STORAGE; 14131 try { 14132 mInstaller.clearAppData(pkg.volumeUuid, packageName, userId, flags); 14133 } catch (InstallerException e) { 14134 Slog.w(TAG, "Couldn't remove cache files for package " + packageName, e); 14135 return false; 14136 } 14137 14138 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 14139 removeKeystoreDataIfNeeded(userId, appId); 14140 14141 // Create a native library symlink only if we have native libraries 14142 // and if the native libraries are 32 bit libraries. We do not provide 14143 // this symlink for 64 bit libraries. 14144 if (pkg.applicationInfo.primaryCpuAbi != null && 14145 !VMRuntime.is64BitAbi(pkg.applicationInfo.primaryCpuAbi)) { 14146 final String nativeLibPath = pkg.applicationInfo.nativeLibraryDir; 14147 try { 14148 mInstaller.linkNativeLibraryDirectory(pkg.volumeUuid, pkg.packageName, 14149 nativeLibPath, userId); 14150 } catch (InstallerException e) { 14151 Slog.w(TAG, "Failed linking native library dir", e); 14152 return false; 14153 } 14154 } 14155 14156 return true; 14157 } 14158 14159 /** 14160 * Reverts user permission state changes (permissions and flags) in 14161 * all packages for a given user. 14162 * 14163 * @param userId The device user for which to do a reset. 14164 */ 14165 private void resetUserChangesToRuntimePermissionsAndFlagsLPw(int userId) { 14166 final int packageCount = mPackages.size(); 14167 for (int i = 0; i < packageCount; i++) { 14168 PackageParser.Package pkg = mPackages.valueAt(i); 14169 PackageSetting ps = (PackageSetting) pkg.mExtras; 14170 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 14171 } 14172 } 14173 14174 /** 14175 * Reverts user permission state changes (permissions and flags). 14176 * 14177 * @param ps The package for which to reset. 14178 * @param userId The device user for which to do a reset. 14179 */ 14180 private void resetUserChangesToRuntimePermissionsAndFlagsLPw( 14181 final PackageSetting ps, final int userId) { 14182 if (ps.pkg == null) { 14183 return; 14184 } 14185 14186 // These are flags that can change base on user actions. 14187 final int userSettableMask = FLAG_PERMISSION_USER_SET 14188 | FLAG_PERMISSION_USER_FIXED 14189 | FLAG_PERMISSION_REVOKE_ON_UPGRADE 14190 | FLAG_PERMISSION_REVIEW_REQUIRED; 14191 14192 final int policyOrSystemFlags = FLAG_PERMISSION_SYSTEM_FIXED 14193 | FLAG_PERMISSION_POLICY_FIXED; 14194 14195 boolean writeInstallPermissions = false; 14196 boolean writeRuntimePermissions = false; 14197 14198 final int permissionCount = ps.pkg.requestedPermissions.size(); 14199 for (int i = 0; i < permissionCount; i++) { 14200 String permission = ps.pkg.requestedPermissions.get(i); 14201 14202 BasePermission bp = mSettings.mPermissions.get(permission); 14203 if (bp == null) { 14204 continue; 14205 } 14206 14207 // If shared user we just reset the state to which only this app contributed. 14208 if (ps.sharedUser != null) { 14209 boolean used = false; 14210 final int packageCount = ps.sharedUser.packages.size(); 14211 for (int j = 0; j < packageCount; j++) { 14212 PackageSetting pkg = ps.sharedUser.packages.valueAt(j); 14213 if (pkg.pkg != null && !pkg.pkg.packageName.equals(ps.pkg.packageName) 14214 && pkg.pkg.requestedPermissions.contains(permission)) { 14215 used = true; 14216 break; 14217 } 14218 } 14219 if (used) { 14220 continue; 14221 } 14222 } 14223 14224 PermissionsState permissionsState = ps.getPermissionsState(); 14225 14226 final int oldFlags = permissionsState.getPermissionFlags(bp.name, userId); 14227 14228 // Always clear the user settable flags. 14229 final boolean hasInstallState = permissionsState.getInstallPermissionState( 14230 bp.name) != null; 14231 // If permission review is enabled and this is a legacy app, mark the 14232 // permission as requiring a review as this is the initial state. 14233 int flags = 0; 14234 if (Build.PERMISSIONS_REVIEW_REQUIRED 14235 && ps.pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 14236 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 14237 } 14238 if (permissionsState.updatePermissionFlags(bp, userId, userSettableMask, flags)) { 14239 if (hasInstallState) { 14240 writeInstallPermissions = true; 14241 } else { 14242 writeRuntimePermissions = true; 14243 } 14244 } 14245 14246 // Below is only runtime permission handling. 14247 if (!bp.isRuntime()) { 14248 continue; 14249 } 14250 14251 // Never clobber system or policy. 14252 if ((oldFlags & policyOrSystemFlags) != 0) { 14253 continue; 14254 } 14255 14256 // If this permission was granted by default, make sure it is. 14257 if ((oldFlags & FLAG_PERMISSION_GRANTED_BY_DEFAULT) != 0) { 14258 if (permissionsState.grantRuntimePermission(bp, userId) 14259 != PERMISSION_OPERATION_FAILURE) { 14260 writeRuntimePermissions = true; 14261 } 14262 // If permission review is enabled the permissions for a legacy apps 14263 // are represented as constantly granted runtime ones, so don't revoke. 14264 } else if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 14265 // Otherwise, reset the permission. 14266 final int revokeResult = permissionsState.revokeRuntimePermission(bp, userId); 14267 switch (revokeResult) { 14268 case PERMISSION_OPERATION_SUCCESS: { 14269 writeRuntimePermissions = true; 14270 } break; 14271 14272 case PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 14273 writeRuntimePermissions = true; 14274 final int appId = ps.appId; 14275 mHandler.post(new Runnable() { 14276 @Override 14277 public void run() { 14278 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 14279 } 14280 }); 14281 } break; 14282 } 14283 } 14284 } 14285 14286 // Synchronously write as we are taking permissions away. 14287 if (writeRuntimePermissions) { 14288 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 14289 } 14290 14291 // Synchronously write as we are taking permissions away. 14292 if (writeInstallPermissions) { 14293 mSettings.writeLPr(); 14294 } 14295 } 14296 14297 /** 14298 * Remove entries from the keystore daemon. Will only remove it if the 14299 * {@code appId} is valid. 14300 */ 14301 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 14302 if (appId < 0) { 14303 return; 14304 } 14305 14306 final KeyStore keyStore = KeyStore.getInstance(); 14307 if (keyStore != null) { 14308 if (userId == UserHandle.USER_ALL) { 14309 for (final int individual : sUserManager.getUserIds()) { 14310 keyStore.clearUid(UserHandle.getUid(individual, appId)); 14311 } 14312 } else { 14313 keyStore.clearUid(UserHandle.getUid(userId, appId)); 14314 } 14315 } else { 14316 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 14317 } 14318 } 14319 14320 @Override 14321 public void deleteApplicationCacheFiles(final String packageName, 14322 final IPackageDataObserver observer) { 14323 mContext.enforceCallingOrSelfPermission( 14324 android.Manifest.permission.DELETE_CACHE_FILES, null); 14325 // Queue up an async operation since the package deletion may take a little while. 14326 final int userId = UserHandle.getCallingUserId(); 14327 mHandler.post(new Runnable() { 14328 public void run() { 14329 mHandler.removeCallbacks(this); 14330 final boolean succeded; 14331 synchronized (mInstallLock) { 14332 succeded = deleteApplicationCacheFilesLI(packageName, userId); 14333 } 14334 clearExternalStorageDataSync(packageName, userId, false); 14335 if (observer != null) { 14336 try { 14337 observer.onRemoveCompleted(packageName, succeded); 14338 } catch (RemoteException e) { 14339 Log.i(TAG, "Observer no longer exists."); 14340 } 14341 } //end if observer 14342 } //end run 14343 }); 14344 } 14345 14346 private boolean deleteApplicationCacheFilesLI(String packageName, int userId) { 14347 if (packageName == null) { 14348 Slog.w(TAG, "Attempt to delete null packageName."); 14349 return false; 14350 } 14351 PackageParser.Package p; 14352 synchronized (mPackages) { 14353 p = mPackages.get(packageName); 14354 } 14355 if (p == null) { 14356 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 14357 return false; 14358 } 14359 final ApplicationInfo applicationInfo = p.applicationInfo; 14360 if (applicationInfo == null) { 14361 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 14362 return false; 14363 } 14364 // TODO: triage flags as part of 26466827 14365 final int flags = Installer.FLAG_CE_STORAGE | Installer.FLAG_DE_STORAGE; 14366 try { 14367 mInstaller.clearAppData(p.volumeUuid, packageName, userId, 14368 flags | Installer.FLAG_CLEAR_CACHE_ONLY); 14369 } catch (InstallerException e) { 14370 Slog.w(TAG, "Couldn't remove cache files for package " 14371 + packageName + " u" + userId, e); 14372 return false; 14373 } 14374 return true; 14375 } 14376 14377 @Override 14378 public void getPackageSizeInfo(final String packageName, int userHandle, 14379 final IPackageStatsObserver observer) { 14380 mContext.enforceCallingOrSelfPermission( 14381 android.Manifest.permission.GET_PACKAGE_SIZE, null); 14382 if (packageName == null) { 14383 throw new IllegalArgumentException("Attempt to get size of null packageName"); 14384 } 14385 14386 PackageStats stats = new PackageStats(packageName, userHandle); 14387 14388 /* 14389 * Queue up an async operation since the package measurement may take a 14390 * little while. 14391 */ 14392 Message msg = mHandler.obtainMessage(INIT_COPY); 14393 msg.obj = new MeasureParams(stats, observer); 14394 mHandler.sendMessage(msg); 14395 } 14396 14397 private boolean getPackageSizeInfoLI(String packageName, int userHandle, 14398 PackageStats pStats) { 14399 if (packageName == null) { 14400 Slog.w(TAG, "Attempt to get size of null packageName."); 14401 return false; 14402 } 14403 PackageParser.Package p; 14404 boolean dataOnly = false; 14405 String libDirRoot = null; 14406 String asecPath = null; 14407 PackageSetting ps = null; 14408 synchronized (mPackages) { 14409 p = mPackages.get(packageName); 14410 ps = mSettings.mPackages.get(packageName); 14411 if(p == null) { 14412 dataOnly = true; 14413 if((ps == null) || (ps.pkg == null)) { 14414 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 14415 return false; 14416 } 14417 p = ps.pkg; 14418 } 14419 if (ps != null) { 14420 libDirRoot = ps.legacyNativeLibraryPathString; 14421 } 14422 if (p != null && (p.isForwardLocked() || p.applicationInfo.isExternalAsec())) { 14423 final long token = Binder.clearCallingIdentity(); 14424 try { 14425 String secureContainerId = cidFromCodePath(p.applicationInfo.getBaseCodePath()); 14426 if (secureContainerId != null) { 14427 asecPath = PackageHelper.getSdFilesystem(secureContainerId); 14428 } 14429 } finally { 14430 Binder.restoreCallingIdentity(token); 14431 } 14432 } 14433 } 14434 String publicSrcDir = null; 14435 if(!dataOnly) { 14436 final ApplicationInfo applicationInfo = p.applicationInfo; 14437 if (applicationInfo == null) { 14438 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 14439 return false; 14440 } 14441 if (p.isForwardLocked()) { 14442 publicSrcDir = applicationInfo.getBaseResourcePath(); 14443 } 14444 } 14445 // TODO: extend to measure size of split APKs 14446 // TODO(multiArch): Extend getSizeInfo to look at the full subdirectory tree, 14447 // not just the first level. 14448 // TODO(multiArch): Extend getSizeInfo to look at *all* instruction sets, not 14449 // just the primary. 14450 String[] dexCodeInstructionSets = getDexCodeInstructionSets(getAppDexInstructionSets(ps)); 14451 14452 String apkPath; 14453 File packageDir = new File(p.codePath); 14454 14455 if (packageDir.isDirectory() && p.canHaveOatDir()) { 14456 apkPath = packageDir.getAbsolutePath(); 14457 // If libDirRoot is inside a package dir, set it to null to avoid it being counted twice 14458 if (libDirRoot != null && libDirRoot.startsWith(apkPath)) { 14459 libDirRoot = null; 14460 } 14461 } else { 14462 apkPath = p.baseCodePath; 14463 } 14464 14465 // TODO: triage flags as part of 26466827 14466 final int flags = Installer.FLAG_CE_STORAGE | Installer.FLAG_DE_STORAGE; 14467 try { 14468 mInstaller.getAppSize(p.volumeUuid, packageName, userHandle, flags, apkPath, 14469 libDirRoot, publicSrcDir, asecPath, dexCodeInstructionSets, pStats); 14470 } catch (InstallerException e) { 14471 return false; 14472 } 14473 14474 // Fix-up for forward-locked applications in ASEC containers. 14475 if (!isExternal(p)) { 14476 pStats.codeSize += pStats.externalCodeSize; 14477 pStats.externalCodeSize = 0L; 14478 } 14479 14480 return true; 14481 } 14482 14483 14484 @Override 14485 public void addPackageToPreferred(String packageName) { 14486 Slog.w(TAG, "addPackageToPreferred: this is now a no-op"); 14487 } 14488 14489 @Override 14490 public void removePackageFromPreferred(String packageName) { 14491 Slog.w(TAG, "removePackageFromPreferred: this is now a no-op"); 14492 } 14493 14494 @Override 14495 public List<PackageInfo> getPreferredPackages(int flags) { 14496 return new ArrayList<PackageInfo>(); 14497 } 14498 14499 private int getUidTargetSdkVersionLockedLPr(int uid) { 14500 Object obj = mSettings.getUserIdLPr(uid); 14501 if (obj instanceof SharedUserSetting) { 14502 final SharedUserSetting sus = (SharedUserSetting) obj; 14503 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 14504 final Iterator<PackageSetting> it = sus.packages.iterator(); 14505 while (it.hasNext()) { 14506 final PackageSetting ps = it.next(); 14507 if (ps.pkg != null) { 14508 int v = ps.pkg.applicationInfo.targetSdkVersion; 14509 if (v < vers) vers = v; 14510 } 14511 } 14512 return vers; 14513 } else if (obj instanceof PackageSetting) { 14514 final PackageSetting ps = (PackageSetting) obj; 14515 if (ps.pkg != null) { 14516 return ps.pkg.applicationInfo.targetSdkVersion; 14517 } 14518 } 14519 return Build.VERSION_CODES.CUR_DEVELOPMENT; 14520 } 14521 14522 @Override 14523 public void addPreferredActivity(IntentFilter filter, int match, 14524 ComponentName[] set, ComponentName activity, int userId) { 14525 addPreferredActivityInternal(filter, match, set, activity, true, userId, 14526 "Adding preferred"); 14527 } 14528 14529 private void addPreferredActivityInternal(IntentFilter filter, int match, 14530 ComponentName[] set, ComponentName activity, boolean always, int userId, 14531 String opname) { 14532 // writer 14533 int callingUid = Binder.getCallingUid(); 14534 enforceCrossUserPermission(callingUid, userId, true, false, "add preferred activity"); 14535 if (filter.countActions() == 0) { 14536 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 14537 return; 14538 } 14539 synchronized (mPackages) { 14540 if (mContext.checkCallingOrSelfPermission( 14541 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 14542 != PackageManager.PERMISSION_GRANTED) { 14543 if (getUidTargetSdkVersionLockedLPr(callingUid) 14544 < Build.VERSION_CODES.FROYO) { 14545 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 14546 + callingUid); 14547 return; 14548 } 14549 mContext.enforceCallingOrSelfPermission( 14550 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 14551 } 14552 14553 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 14554 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 14555 + userId + ":"); 14556 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 14557 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 14558 scheduleWritePackageRestrictionsLocked(userId); 14559 } 14560 } 14561 14562 @Override 14563 public void replacePreferredActivity(IntentFilter filter, int match, 14564 ComponentName[] set, ComponentName activity, int userId) { 14565 if (filter.countActions() != 1) { 14566 throw new IllegalArgumentException( 14567 "replacePreferredActivity expects filter to have only 1 action."); 14568 } 14569 if (filter.countDataAuthorities() != 0 14570 || filter.countDataPaths() != 0 14571 || filter.countDataSchemes() > 1 14572 || filter.countDataTypes() != 0) { 14573 throw new IllegalArgumentException( 14574 "replacePreferredActivity expects filter to have no data authorities, " + 14575 "paths, or types; and at most one scheme."); 14576 } 14577 14578 final int callingUid = Binder.getCallingUid(); 14579 enforceCrossUserPermission(callingUid, userId, true, false, "replace preferred activity"); 14580 synchronized (mPackages) { 14581 if (mContext.checkCallingOrSelfPermission( 14582 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 14583 != PackageManager.PERMISSION_GRANTED) { 14584 if (getUidTargetSdkVersionLockedLPr(callingUid) 14585 < Build.VERSION_CODES.FROYO) { 14586 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 14587 + Binder.getCallingUid()); 14588 return; 14589 } 14590 mContext.enforceCallingOrSelfPermission( 14591 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 14592 } 14593 14594 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 14595 if (pir != null) { 14596 // Get all of the existing entries that exactly match this filter. 14597 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 14598 if (existing != null && existing.size() == 1) { 14599 PreferredActivity cur = existing.get(0); 14600 if (DEBUG_PREFERRED) { 14601 Slog.i(TAG, "Checking replace of preferred:"); 14602 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 14603 if (!cur.mPref.mAlways) { 14604 Slog.i(TAG, " -- CUR; not mAlways!"); 14605 } else { 14606 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 14607 Slog.i(TAG, " -- CUR: mSet=" 14608 + Arrays.toString(cur.mPref.mSetComponents)); 14609 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 14610 Slog.i(TAG, " -- NEW: mMatch=" 14611 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 14612 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 14613 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 14614 } 14615 } 14616 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 14617 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 14618 && cur.mPref.sameSet(set)) { 14619 // Setting the preferred activity to what it happens to be already 14620 if (DEBUG_PREFERRED) { 14621 Slog.i(TAG, "Replacing with same preferred activity " 14622 + cur.mPref.mShortComponent + " for user " 14623 + userId + ":"); 14624 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 14625 } 14626 return; 14627 } 14628 } 14629 14630 if (existing != null) { 14631 if (DEBUG_PREFERRED) { 14632 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 14633 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 14634 } 14635 for (int i = 0; i < existing.size(); i++) { 14636 PreferredActivity pa = existing.get(i); 14637 if (DEBUG_PREFERRED) { 14638 Slog.i(TAG, "Removing existing preferred activity " 14639 + pa.mPref.mComponent + ":"); 14640 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 14641 } 14642 pir.removeFilter(pa); 14643 } 14644 } 14645 } 14646 addPreferredActivityInternal(filter, match, set, activity, true, userId, 14647 "Replacing preferred"); 14648 } 14649 } 14650 14651 @Override 14652 public void clearPackagePreferredActivities(String packageName) { 14653 final int uid = Binder.getCallingUid(); 14654 // writer 14655 synchronized (mPackages) { 14656 PackageParser.Package pkg = mPackages.get(packageName); 14657 if (pkg == null || pkg.applicationInfo.uid != uid) { 14658 if (mContext.checkCallingOrSelfPermission( 14659 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 14660 != PackageManager.PERMISSION_GRANTED) { 14661 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 14662 < Build.VERSION_CODES.FROYO) { 14663 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 14664 + Binder.getCallingUid()); 14665 return; 14666 } 14667 mContext.enforceCallingOrSelfPermission( 14668 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 14669 } 14670 } 14671 14672 int user = UserHandle.getCallingUserId(); 14673 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 14674 scheduleWritePackageRestrictionsLocked(user); 14675 } 14676 } 14677 } 14678 14679 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 14680 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 14681 ArrayList<PreferredActivity> removed = null; 14682 boolean changed = false; 14683 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 14684 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 14685 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 14686 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 14687 continue; 14688 } 14689 Iterator<PreferredActivity> it = pir.filterIterator(); 14690 while (it.hasNext()) { 14691 PreferredActivity pa = it.next(); 14692 // Mark entry for removal only if it matches the package name 14693 // and the entry is of type "always". 14694 if (packageName == null || 14695 (pa.mPref.mComponent.getPackageName().equals(packageName) 14696 && pa.mPref.mAlways)) { 14697 if (removed == null) { 14698 removed = new ArrayList<PreferredActivity>(); 14699 } 14700 removed.add(pa); 14701 } 14702 } 14703 if (removed != null) { 14704 for (int j=0; j<removed.size(); j++) { 14705 PreferredActivity pa = removed.get(j); 14706 pir.removeFilter(pa); 14707 } 14708 changed = true; 14709 } 14710 } 14711 return changed; 14712 } 14713 14714 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 14715 private void clearIntentFilterVerificationsLPw(int userId) { 14716 final int packageCount = mPackages.size(); 14717 for (int i = 0; i < packageCount; i++) { 14718 PackageParser.Package pkg = mPackages.valueAt(i); 14719 clearIntentFilterVerificationsLPw(pkg.packageName, userId); 14720 } 14721 } 14722 14723 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 14724 void clearIntentFilterVerificationsLPw(String packageName, int userId) { 14725 if (userId == UserHandle.USER_ALL) { 14726 if (mSettings.removeIntentFilterVerificationLPw(packageName, 14727 sUserManager.getUserIds())) { 14728 for (int oneUserId : sUserManager.getUserIds()) { 14729 scheduleWritePackageRestrictionsLocked(oneUserId); 14730 } 14731 } 14732 } else { 14733 if (mSettings.removeIntentFilterVerificationLPw(packageName, userId)) { 14734 scheduleWritePackageRestrictionsLocked(userId); 14735 } 14736 } 14737 } 14738 14739 void clearDefaultBrowserIfNeeded(String packageName) { 14740 for (int oneUserId : sUserManager.getUserIds()) { 14741 String defaultBrowserPackageName = getDefaultBrowserPackageName(oneUserId); 14742 if (TextUtils.isEmpty(defaultBrowserPackageName)) continue; 14743 if (packageName.equals(defaultBrowserPackageName)) { 14744 setDefaultBrowserPackageName(null, oneUserId); 14745 } 14746 } 14747 } 14748 14749 @Override 14750 public void resetApplicationPreferences(int userId) { 14751 mContext.enforceCallingOrSelfPermission( 14752 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 14753 // writer 14754 synchronized (mPackages) { 14755 final long identity = Binder.clearCallingIdentity(); 14756 try { 14757 clearPackagePreferredActivitiesLPw(null, userId); 14758 mSettings.applyDefaultPreferredAppsLPw(this, userId); 14759 // TODO: We have to reset the default SMS and Phone. This requires 14760 // significant refactoring to keep all default apps in the package 14761 // manager (cleaner but more work) or have the services provide 14762 // callbacks to the package manager to request a default app reset. 14763 applyFactoryDefaultBrowserLPw(userId); 14764 clearIntentFilterVerificationsLPw(userId); 14765 primeDomainVerificationsLPw(userId); 14766 resetUserChangesToRuntimePermissionsAndFlagsLPw(userId); 14767 scheduleWritePackageRestrictionsLocked(userId); 14768 } finally { 14769 Binder.restoreCallingIdentity(identity); 14770 } 14771 } 14772 } 14773 14774 @Override 14775 public int getPreferredActivities(List<IntentFilter> outFilters, 14776 List<ComponentName> outActivities, String packageName) { 14777 14778 int num = 0; 14779 final int userId = UserHandle.getCallingUserId(); 14780 // reader 14781 synchronized (mPackages) { 14782 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 14783 if (pir != null) { 14784 final Iterator<PreferredActivity> it = pir.filterIterator(); 14785 while (it.hasNext()) { 14786 final PreferredActivity pa = it.next(); 14787 if (packageName == null 14788 || (pa.mPref.mComponent.getPackageName().equals(packageName) 14789 && pa.mPref.mAlways)) { 14790 if (outFilters != null) { 14791 outFilters.add(new IntentFilter(pa)); 14792 } 14793 if (outActivities != null) { 14794 outActivities.add(pa.mPref.mComponent); 14795 } 14796 } 14797 } 14798 } 14799 } 14800 14801 return num; 14802 } 14803 14804 @Override 14805 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 14806 int userId) { 14807 int callingUid = Binder.getCallingUid(); 14808 if (callingUid != Process.SYSTEM_UID) { 14809 throw new SecurityException( 14810 "addPersistentPreferredActivity can only be run by the system"); 14811 } 14812 if (filter.countActions() == 0) { 14813 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 14814 return; 14815 } 14816 synchronized (mPackages) { 14817 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 14818 ":"); 14819 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 14820 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 14821 new PersistentPreferredActivity(filter, activity)); 14822 scheduleWritePackageRestrictionsLocked(userId); 14823 } 14824 } 14825 14826 @Override 14827 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 14828 int callingUid = Binder.getCallingUid(); 14829 if (callingUid != Process.SYSTEM_UID) { 14830 throw new SecurityException( 14831 "clearPackagePersistentPreferredActivities can only be run by the system"); 14832 } 14833 ArrayList<PersistentPreferredActivity> removed = null; 14834 boolean changed = false; 14835 synchronized (mPackages) { 14836 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 14837 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 14838 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 14839 .valueAt(i); 14840 if (userId != thisUserId) { 14841 continue; 14842 } 14843 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 14844 while (it.hasNext()) { 14845 PersistentPreferredActivity ppa = it.next(); 14846 // Mark entry for removal only if it matches the package name. 14847 if (ppa.mComponent.getPackageName().equals(packageName)) { 14848 if (removed == null) { 14849 removed = new ArrayList<PersistentPreferredActivity>(); 14850 } 14851 removed.add(ppa); 14852 } 14853 } 14854 if (removed != null) { 14855 for (int j=0; j<removed.size(); j++) { 14856 PersistentPreferredActivity ppa = removed.get(j); 14857 ppir.removeFilter(ppa); 14858 } 14859 changed = true; 14860 } 14861 } 14862 14863 if (changed) { 14864 scheduleWritePackageRestrictionsLocked(userId); 14865 } 14866 } 14867 } 14868 14869 /** 14870 * Common machinery for picking apart a restored XML blob and passing 14871 * it to a caller-supplied functor to be applied to the running system. 14872 */ 14873 private void restoreFromXml(XmlPullParser parser, int userId, 14874 String expectedStartTag, BlobXmlRestorer functor) 14875 throws IOException, XmlPullParserException { 14876 int type; 14877 while ((type = parser.next()) != XmlPullParser.START_TAG 14878 && type != XmlPullParser.END_DOCUMENT) { 14879 } 14880 if (type != XmlPullParser.START_TAG) { 14881 // oops didn't find a start tag?! 14882 if (DEBUG_BACKUP) { 14883 Slog.e(TAG, "Didn't find start tag during restore"); 14884 } 14885 return; 14886 } 14887Slog.v(TAG, ":: restoreFromXml() : got to tag " + parser.getName()); 14888 // this is supposed to be TAG_PREFERRED_BACKUP 14889 if (!expectedStartTag.equals(parser.getName())) { 14890 if (DEBUG_BACKUP) { 14891 Slog.e(TAG, "Found unexpected tag " + parser.getName()); 14892 } 14893 return; 14894 } 14895 14896 // skip interfering stuff, then we're aligned with the backing implementation 14897 while ((type = parser.next()) == XmlPullParser.TEXT) { } 14898Slog.v(TAG, ":: stepped forward, applying functor at tag " + parser.getName()); 14899 functor.apply(parser, userId); 14900 } 14901 14902 private interface BlobXmlRestorer { 14903 public void apply(XmlPullParser parser, int userId) throws IOException, XmlPullParserException; 14904 } 14905 14906 /** 14907 * Non-Binder method, support for the backup/restore mechanism: write the 14908 * full set of preferred activities in its canonical XML format. Returns the 14909 * XML output as a byte array, or null if there is none. 14910 */ 14911 @Override 14912 public byte[] getPreferredActivityBackup(int userId) { 14913 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 14914 throw new SecurityException("Only the system may call getPreferredActivityBackup()"); 14915 } 14916 14917 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 14918 try { 14919 final XmlSerializer serializer = new FastXmlSerializer(); 14920 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 14921 serializer.startDocument(null, true); 14922 serializer.startTag(null, TAG_PREFERRED_BACKUP); 14923 14924 synchronized (mPackages) { 14925 mSettings.writePreferredActivitiesLPr(serializer, userId, true); 14926 } 14927 14928 serializer.endTag(null, TAG_PREFERRED_BACKUP); 14929 serializer.endDocument(); 14930 serializer.flush(); 14931 } catch (Exception e) { 14932 if (DEBUG_BACKUP) { 14933 Slog.e(TAG, "Unable to write preferred activities for backup", e); 14934 } 14935 return null; 14936 } 14937 14938 return dataStream.toByteArray(); 14939 } 14940 14941 @Override 14942 public void restorePreferredActivities(byte[] backup, int userId) { 14943 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 14944 throw new SecurityException("Only the system may call restorePreferredActivities()"); 14945 } 14946 14947 try { 14948 final XmlPullParser parser = Xml.newPullParser(); 14949 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 14950 restoreFromXml(parser, userId, TAG_PREFERRED_BACKUP, 14951 new BlobXmlRestorer() { 14952 @Override 14953 public void apply(XmlPullParser parser, int userId) 14954 throws XmlPullParserException, IOException { 14955 synchronized (mPackages) { 14956 mSettings.readPreferredActivitiesLPw(parser, userId); 14957 } 14958 } 14959 } ); 14960 } catch (Exception e) { 14961 if (DEBUG_BACKUP) { 14962 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 14963 } 14964 } 14965 } 14966 14967 /** 14968 * Non-Binder method, support for the backup/restore mechanism: write the 14969 * default browser (etc) settings in its canonical XML format. Returns the default 14970 * browser XML representation as a byte array, or null if there is none. 14971 */ 14972 @Override 14973 public byte[] getDefaultAppsBackup(int userId) { 14974 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 14975 throw new SecurityException("Only the system may call getDefaultAppsBackup()"); 14976 } 14977 14978 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 14979 try { 14980 final XmlSerializer serializer = new FastXmlSerializer(); 14981 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 14982 serializer.startDocument(null, true); 14983 serializer.startTag(null, TAG_DEFAULT_APPS); 14984 14985 synchronized (mPackages) { 14986 mSettings.writeDefaultAppsLPr(serializer, userId); 14987 } 14988 14989 serializer.endTag(null, TAG_DEFAULT_APPS); 14990 serializer.endDocument(); 14991 serializer.flush(); 14992 } catch (Exception e) { 14993 if (DEBUG_BACKUP) { 14994 Slog.e(TAG, "Unable to write default apps for backup", e); 14995 } 14996 return null; 14997 } 14998 14999 return dataStream.toByteArray(); 15000 } 15001 15002 @Override 15003 public void restoreDefaultApps(byte[] backup, int userId) { 15004 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 15005 throw new SecurityException("Only the system may call restoreDefaultApps()"); 15006 } 15007 15008 try { 15009 final XmlPullParser parser = Xml.newPullParser(); 15010 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 15011 restoreFromXml(parser, userId, TAG_DEFAULT_APPS, 15012 new BlobXmlRestorer() { 15013 @Override 15014 public void apply(XmlPullParser parser, int userId) 15015 throws XmlPullParserException, IOException { 15016 synchronized (mPackages) { 15017 mSettings.readDefaultAppsLPw(parser, userId); 15018 } 15019 } 15020 } ); 15021 } catch (Exception e) { 15022 if (DEBUG_BACKUP) { 15023 Slog.e(TAG, "Exception restoring default apps: " + e.getMessage()); 15024 } 15025 } 15026 } 15027 15028 @Override 15029 public byte[] getIntentFilterVerificationBackup(int userId) { 15030 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 15031 throw new SecurityException("Only the system may call getIntentFilterVerificationBackup()"); 15032 } 15033 15034 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 15035 try { 15036 final XmlSerializer serializer = new FastXmlSerializer(); 15037 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 15038 serializer.startDocument(null, true); 15039 serializer.startTag(null, TAG_INTENT_FILTER_VERIFICATION); 15040 15041 synchronized (mPackages) { 15042 mSettings.writeAllDomainVerificationsLPr(serializer, userId); 15043 } 15044 15045 serializer.endTag(null, TAG_INTENT_FILTER_VERIFICATION); 15046 serializer.endDocument(); 15047 serializer.flush(); 15048 } catch (Exception e) { 15049 if (DEBUG_BACKUP) { 15050 Slog.e(TAG, "Unable to write default apps for backup", e); 15051 } 15052 return null; 15053 } 15054 15055 return dataStream.toByteArray(); 15056 } 15057 15058 @Override 15059 public void restoreIntentFilterVerification(byte[] backup, int userId) { 15060 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 15061 throw new SecurityException("Only the system may call restorePreferredActivities()"); 15062 } 15063 15064 try { 15065 final XmlPullParser parser = Xml.newPullParser(); 15066 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 15067 restoreFromXml(parser, userId, TAG_INTENT_FILTER_VERIFICATION, 15068 new BlobXmlRestorer() { 15069 @Override 15070 public void apply(XmlPullParser parser, int userId) 15071 throws XmlPullParserException, IOException { 15072 synchronized (mPackages) { 15073 mSettings.readAllDomainVerificationsLPr(parser, userId); 15074 mSettings.writeLPr(); 15075 } 15076 } 15077 } ); 15078 } catch (Exception e) { 15079 if (DEBUG_BACKUP) { 15080 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 15081 } 15082 } 15083 } 15084 15085 @Override 15086 public byte[] getPermissionGrantBackup(int userId) { 15087 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 15088 throw new SecurityException("Only the system may call getPermissionGrantBackup()"); 15089 } 15090 15091 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 15092 try { 15093 final XmlSerializer serializer = new FastXmlSerializer(); 15094 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 15095 serializer.startDocument(null, true); 15096 serializer.startTag(null, TAG_PERMISSION_BACKUP); 15097 15098 synchronized (mPackages) { 15099 serializeRuntimePermissionGrantsLPr(serializer, userId); 15100 } 15101 15102 serializer.endTag(null, TAG_PERMISSION_BACKUP); 15103 serializer.endDocument(); 15104 serializer.flush(); 15105 } catch (Exception e) { 15106 if (DEBUG_BACKUP) { 15107 Slog.e(TAG, "Unable to write default apps for backup", e); 15108 } 15109 return null; 15110 } 15111 15112 return dataStream.toByteArray(); 15113 } 15114 15115 @Override 15116 public void restorePermissionGrants(byte[] backup, int userId) { 15117 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 15118 throw new SecurityException("Only the system may call restorePermissionGrants()"); 15119 } 15120 15121 try { 15122 final XmlPullParser parser = Xml.newPullParser(); 15123 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 15124 restoreFromXml(parser, userId, TAG_PERMISSION_BACKUP, 15125 new BlobXmlRestorer() { 15126 @Override 15127 public void apply(XmlPullParser parser, int userId) 15128 throws XmlPullParserException, IOException { 15129 synchronized (mPackages) { 15130 processRestoredPermissionGrantsLPr(parser, userId); 15131 } 15132 } 15133 } ); 15134 } catch (Exception e) { 15135 if (DEBUG_BACKUP) { 15136 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 15137 } 15138 } 15139 } 15140 15141 private void serializeRuntimePermissionGrantsLPr(XmlSerializer serializer, final int userId) 15142 throws IOException { 15143 serializer.startTag(null, TAG_ALL_GRANTS); 15144 15145 final int N = mSettings.mPackages.size(); 15146 for (int i = 0; i < N; i++) { 15147 final PackageSetting ps = mSettings.mPackages.valueAt(i); 15148 boolean pkgGrantsKnown = false; 15149 15150 PermissionsState packagePerms = ps.getPermissionsState(); 15151 15152 for (PermissionState state : packagePerms.getRuntimePermissionStates(userId)) { 15153 final int grantFlags = state.getFlags(); 15154 // only look at grants that are not system/policy fixed 15155 if ((grantFlags & SYSTEM_RUNTIME_GRANT_MASK) == 0) { 15156 final boolean isGranted = state.isGranted(); 15157 // And only back up the user-twiddled state bits 15158 if (isGranted || (grantFlags & USER_RUNTIME_GRANT_MASK) != 0) { 15159 final String packageName = mSettings.mPackages.keyAt(i); 15160 if (!pkgGrantsKnown) { 15161 serializer.startTag(null, TAG_GRANT); 15162 serializer.attribute(null, ATTR_PACKAGE_NAME, packageName); 15163 pkgGrantsKnown = true; 15164 } 15165 15166 final boolean userSet = 15167 (grantFlags & FLAG_PERMISSION_USER_SET) != 0; 15168 final boolean userFixed = 15169 (grantFlags & FLAG_PERMISSION_USER_FIXED) != 0; 15170 final boolean revoke = 15171 (grantFlags & FLAG_PERMISSION_REVOKE_ON_UPGRADE) != 0; 15172 15173 serializer.startTag(null, TAG_PERMISSION); 15174 serializer.attribute(null, ATTR_PERMISSION_NAME, state.getName()); 15175 if (isGranted) { 15176 serializer.attribute(null, ATTR_IS_GRANTED, "true"); 15177 } 15178 if (userSet) { 15179 serializer.attribute(null, ATTR_USER_SET, "true"); 15180 } 15181 if (userFixed) { 15182 serializer.attribute(null, ATTR_USER_FIXED, "true"); 15183 } 15184 if (revoke) { 15185 serializer.attribute(null, ATTR_REVOKE_ON_UPGRADE, "true"); 15186 } 15187 serializer.endTag(null, TAG_PERMISSION); 15188 } 15189 } 15190 } 15191 15192 if (pkgGrantsKnown) { 15193 serializer.endTag(null, TAG_GRANT); 15194 } 15195 } 15196 15197 serializer.endTag(null, TAG_ALL_GRANTS); 15198 } 15199 15200 private void processRestoredPermissionGrantsLPr(XmlPullParser parser, int userId) 15201 throws XmlPullParserException, IOException { 15202 String pkgName = null; 15203 int outerDepth = parser.getDepth(); 15204 int type; 15205 while ((type = parser.next()) != XmlPullParser.END_DOCUMENT 15206 && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 15207 if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 15208 continue; 15209 } 15210 15211 final String tagName = parser.getName(); 15212 if (tagName.equals(TAG_GRANT)) { 15213 pkgName = parser.getAttributeValue(null, ATTR_PACKAGE_NAME); 15214 if (DEBUG_BACKUP) { 15215 Slog.v(TAG, "+++ Restoring grants for package " + pkgName); 15216 } 15217 } else if (tagName.equals(TAG_PERMISSION)) { 15218 15219 final boolean isGranted = "true".equals(parser.getAttributeValue(null, ATTR_IS_GRANTED)); 15220 final String permName = parser.getAttributeValue(null, ATTR_PERMISSION_NAME); 15221 15222 int newFlagSet = 0; 15223 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_SET))) { 15224 newFlagSet |= FLAG_PERMISSION_USER_SET; 15225 } 15226 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_FIXED))) { 15227 newFlagSet |= FLAG_PERMISSION_USER_FIXED; 15228 } 15229 if ("true".equals(parser.getAttributeValue(null, ATTR_REVOKE_ON_UPGRADE))) { 15230 newFlagSet |= FLAG_PERMISSION_REVOKE_ON_UPGRADE; 15231 } 15232 if (DEBUG_BACKUP) { 15233 Slog.v(TAG, " + Restoring grant: pkg=" + pkgName + " perm=" + permName 15234 + " granted=" + isGranted + " bits=0x" + Integer.toHexString(newFlagSet)); 15235 } 15236 final PackageSetting ps = mSettings.mPackages.get(pkgName); 15237 if (ps != null) { 15238 // Already installed so we apply the grant immediately 15239 if (DEBUG_BACKUP) { 15240 Slog.v(TAG, " + already installed; applying"); 15241 } 15242 PermissionsState perms = ps.getPermissionsState(); 15243 BasePermission bp = mSettings.mPermissions.get(permName); 15244 if (bp != null) { 15245 if (isGranted) { 15246 perms.grantRuntimePermission(bp, userId); 15247 } 15248 if (newFlagSet != 0) { 15249 perms.updatePermissionFlags(bp, userId, USER_RUNTIME_GRANT_MASK, newFlagSet); 15250 } 15251 } 15252 } else { 15253 // Need to wait for post-restore install to apply the grant 15254 if (DEBUG_BACKUP) { 15255 Slog.v(TAG, " - not yet installed; saving for later"); 15256 } 15257 mSettings.processRestoredPermissionGrantLPr(pkgName, permName, 15258 isGranted, newFlagSet, userId); 15259 } 15260 } else { 15261 PackageManagerService.reportSettingsProblem(Log.WARN, 15262 "Unknown element under <" + TAG_PERMISSION_BACKUP + ">: " + tagName); 15263 XmlUtils.skipCurrentTag(parser); 15264 } 15265 } 15266 15267 scheduleWriteSettingsLocked(); 15268 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 15269 } 15270 15271 @Override 15272 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 15273 int sourceUserId, int targetUserId, int flags) { 15274 mContext.enforceCallingOrSelfPermission( 15275 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 15276 int callingUid = Binder.getCallingUid(); 15277 enforceOwnerRights(ownerPackage, callingUid); 15278 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 15279 if (intentFilter.countActions() == 0) { 15280 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 15281 return; 15282 } 15283 synchronized (mPackages) { 15284 CrossProfileIntentFilter newFilter = new CrossProfileIntentFilter(intentFilter, 15285 ownerPackage, targetUserId, flags); 15286 CrossProfileIntentResolver resolver = 15287 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 15288 ArrayList<CrossProfileIntentFilter> existing = resolver.findFilters(intentFilter); 15289 // We have all those whose filter is equal. Now checking if the rest is equal as well. 15290 if (existing != null) { 15291 int size = existing.size(); 15292 for (int i = 0; i < size; i++) { 15293 if (newFilter.equalsIgnoreFilter(existing.get(i))) { 15294 return; 15295 } 15296 } 15297 } 15298 resolver.addFilter(newFilter); 15299 scheduleWritePackageRestrictionsLocked(sourceUserId); 15300 } 15301 } 15302 15303 @Override 15304 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage) { 15305 mContext.enforceCallingOrSelfPermission( 15306 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 15307 int callingUid = Binder.getCallingUid(); 15308 enforceOwnerRights(ownerPackage, callingUid); 15309 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 15310 synchronized (mPackages) { 15311 CrossProfileIntentResolver resolver = 15312 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 15313 ArraySet<CrossProfileIntentFilter> set = 15314 new ArraySet<CrossProfileIntentFilter>(resolver.filterSet()); 15315 for (CrossProfileIntentFilter filter : set) { 15316 if (filter.getOwnerPackage().equals(ownerPackage)) { 15317 resolver.removeFilter(filter); 15318 } 15319 } 15320 scheduleWritePackageRestrictionsLocked(sourceUserId); 15321 } 15322 } 15323 15324 // Enforcing that callingUid is owning pkg on userId 15325 private void enforceOwnerRights(String pkg, int callingUid) { 15326 // The system owns everything. 15327 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 15328 return; 15329 } 15330 int callingUserId = UserHandle.getUserId(callingUid); 15331 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 15332 if (pi == null) { 15333 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 15334 + callingUserId); 15335 } 15336 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 15337 throw new SecurityException("Calling uid " + callingUid 15338 + " does not own package " + pkg); 15339 } 15340 } 15341 15342 @Override 15343 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 15344 Intent intent = new Intent(Intent.ACTION_MAIN); 15345 intent.addCategory(Intent.CATEGORY_HOME); 15346 15347 final int callingUserId = UserHandle.getCallingUserId(); 15348 List<ResolveInfo> list = queryIntentActivities(intent, null, 15349 PackageManager.GET_META_DATA, callingUserId); 15350 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 15351 true, false, false, callingUserId); 15352 15353 allHomeCandidates.clear(); 15354 if (list != null) { 15355 for (ResolveInfo ri : list) { 15356 allHomeCandidates.add(ri); 15357 } 15358 } 15359 return (preferred == null || preferred.activityInfo == null) 15360 ? null 15361 : new ComponentName(preferred.activityInfo.packageName, 15362 preferred.activityInfo.name); 15363 } 15364 15365 @Override 15366 public void setApplicationEnabledSetting(String appPackageName, 15367 int newState, int flags, int userId, String callingPackage) { 15368 if (!sUserManager.exists(userId)) return; 15369 if (callingPackage == null) { 15370 callingPackage = Integer.toString(Binder.getCallingUid()); 15371 } 15372 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 15373 } 15374 15375 @Override 15376 public void setComponentEnabledSetting(ComponentName componentName, 15377 int newState, int flags, int userId) { 15378 if (!sUserManager.exists(userId)) return; 15379 setEnabledSetting(componentName.getPackageName(), 15380 componentName.getClassName(), newState, flags, userId, null); 15381 } 15382 15383 private void setEnabledSetting(final String packageName, String className, int newState, 15384 final int flags, int userId, String callingPackage) { 15385 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 15386 || newState == COMPONENT_ENABLED_STATE_ENABLED 15387 || newState == COMPONENT_ENABLED_STATE_DISABLED 15388 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 15389 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 15390 throw new IllegalArgumentException("Invalid new component state: " 15391 + newState); 15392 } 15393 PackageSetting pkgSetting; 15394 final int uid = Binder.getCallingUid(); 15395 final int permission = mContext.checkCallingOrSelfPermission( 15396 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 15397 enforceCrossUserPermission(uid, userId, false, true, "set enabled"); 15398 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 15399 boolean sendNow = false; 15400 boolean isApp = (className == null); 15401 String componentName = isApp ? packageName : className; 15402 int packageUid = -1; 15403 ArrayList<String> components; 15404 15405 // writer 15406 synchronized (mPackages) { 15407 pkgSetting = mSettings.mPackages.get(packageName); 15408 if (pkgSetting == null) { 15409 if (className == null) { 15410 throw new IllegalArgumentException("Unknown package: " + packageName); 15411 } 15412 throw new IllegalArgumentException( 15413 "Unknown component: " + packageName + "/" + className); 15414 } 15415 // Allow root and verify that userId is not being specified by a different user 15416 if (!allowedByPermission && !UserHandle.isSameApp(uid, pkgSetting.appId)) { 15417 throw new SecurityException( 15418 "Permission Denial: attempt to change component state from pid=" 15419 + Binder.getCallingPid() 15420 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 15421 } 15422 if (className == null) { 15423 // We're dealing with an application/package level state change 15424 if (pkgSetting.getEnabled(userId) == newState) { 15425 // Nothing to do 15426 return; 15427 } 15428 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 15429 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 15430 // Don't care about who enables an app. 15431 callingPackage = null; 15432 } 15433 pkgSetting.setEnabled(newState, userId, callingPackage); 15434 // pkgSetting.pkg.mSetEnabled = newState; 15435 } else { 15436 // We're dealing with a component level state change 15437 // First, verify that this is a valid class name. 15438 PackageParser.Package pkg = pkgSetting.pkg; 15439 if (pkg == null || !pkg.hasComponentClassName(className)) { 15440 if (pkg != null && 15441 pkg.applicationInfo.targetSdkVersion >= 15442 Build.VERSION_CODES.JELLY_BEAN) { 15443 throw new IllegalArgumentException("Component class " + className 15444 + " does not exist in " + packageName); 15445 } else { 15446 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 15447 + className + " does not exist in " + packageName); 15448 } 15449 } 15450 switch (newState) { 15451 case COMPONENT_ENABLED_STATE_ENABLED: 15452 if (!pkgSetting.enableComponentLPw(className, userId)) { 15453 return; 15454 } 15455 break; 15456 case COMPONENT_ENABLED_STATE_DISABLED: 15457 if (!pkgSetting.disableComponentLPw(className, userId)) { 15458 return; 15459 } 15460 break; 15461 case COMPONENT_ENABLED_STATE_DEFAULT: 15462 if (!pkgSetting.restoreComponentLPw(className, userId)) { 15463 return; 15464 } 15465 break; 15466 default: 15467 Slog.e(TAG, "Invalid new component state: " + newState); 15468 return; 15469 } 15470 } 15471 scheduleWritePackageRestrictionsLocked(userId); 15472 components = mPendingBroadcasts.get(userId, packageName); 15473 final boolean newPackage = components == null; 15474 if (newPackage) { 15475 components = new ArrayList<String>(); 15476 } 15477 if (!components.contains(componentName)) { 15478 components.add(componentName); 15479 } 15480 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 15481 sendNow = true; 15482 // Purge entry from pending broadcast list if another one exists already 15483 // since we are sending one right away. 15484 mPendingBroadcasts.remove(userId, packageName); 15485 } else { 15486 if (newPackage) { 15487 mPendingBroadcasts.put(userId, packageName, components); 15488 } 15489 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 15490 // Schedule a message 15491 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 15492 } 15493 } 15494 } 15495 15496 long callingId = Binder.clearCallingIdentity(); 15497 try { 15498 if (sendNow) { 15499 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 15500 sendPackageChangedBroadcast(packageName, 15501 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 15502 } 15503 } finally { 15504 Binder.restoreCallingIdentity(callingId); 15505 } 15506 } 15507 15508 private void sendPackageChangedBroadcast(String packageName, 15509 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 15510 if (DEBUG_INSTALL) 15511 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 15512 + componentNames); 15513 Bundle extras = new Bundle(4); 15514 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 15515 String nameList[] = new String[componentNames.size()]; 15516 componentNames.toArray(nameList); 15517 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 15518 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 15519 extras.putInt(Intent.EXTRA_UID, packageUid); 15520 // If this is not reporting a change of the overall package, then only send it 15521 // to registered receivers. We don't want to launch a swath of apps for every 15522 // little component state change. 15523 final int flags = !componentNames.contains(packageName) 15524 ? Intent.FLAG_RECEIVER_REGISTERED_ONLY : 0; 15525 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, flags, null, null, 15526 new int[] {UserHandle.getUserId(packageUid)}); 15527 } 15528 15529 @Override 15530 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 15531 if (!sUserManager.exists(userId)) return; 15532 final int uid = Binder.getCallingUid(); 15533 final int permission = mContext.checkCallingOrSelfPermission( 15534 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 15535 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 15536 enforceCrossUserPermission(uid, userId, true, true, "stop package"); 15537 // writer 15538 synchronized (mPackages) { 15539 if (mSettings.setPackageStoppedStateLPw(this, packageName, stopped, 15540 allowedByPermission, uid, userId)) { 15541 scheduleWritePackageRestrictionsLocked(userId); 15542 } 15543 } 15544 } 15545 15546 @Override 15547 public String getInstallerPackageName(String packageName) { 15548 // reader 15549 synchronized (mPackages) { 15550 return mSettings.getInstallerPackageNameLPr(packageName); 15551 } 15552 } 15553 15554 @Override 15555 public int getApplicationEnabledSetting(String packageName, int userId) { 15556 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 15557 int uid = Binder.getCallingUid(); 15558 enforceCrossUserPermission(uid, userId, false, false, "get enabled"); 15559 // reader 15560 synchronized (mPackages) { 15561 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 15562 } 15563 } 15564 15565 @Override 15566 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 15567 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 15568 int uid = Binder.getCallingUid(); 15569 enforceCrossUserPermission(uid, userId, false, false, "get component enabled"); 15570 // reader 15571 synchronized (mPackages) { 15572 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 15573 } 15574 } 15575 15576 @Override 15577 public void enterSafeMode() { 15578 enforceSystemOrRoot("Only the system can request entering safe mode"); 15579 15580 if (!mSystemReady) { 15581 mSafeMode = true; 15582 } 15583 } 15584 15585 @Override 15586 public void systemReady() { 15587 mSystemReady = true; 15588 15589 // Read the compatibilty setting when the system is ready. 15590 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 15591 mContext.getContentResolver(), 15592 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 15593 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 15594 if (DEBUG_SETTINGS) { 15595 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 15596 } 15597 15598 int[] grantPermissionsUserIds = EMPTY_INT_ARRAY; 15599 15600 synchronized (mPackages) { 15601 // Verify that all of the preferred activity components actually 15602 // exist. It is possible for applications to be updated and at 15603 // that point remove a previously declared activity component that 15604 // had been set as a preferred activity. We try to clean this up 15605 // the next time we encounter that preferred activity, but it is 15606 // possible for the user flow to never be able to return to that 15607 // situation so here we do a sanity check to make sure we haven't 15608 // left any junk around. 15609 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 15610 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 15611 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 15612 removed.clear(); 15613 for (PreferredActivity pa : pir.filterSet()) { 15614 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 15615 removed.add(pa); 15616 } 15617 } 15618 if (removed.size() > 0) { 15619 for (int r=0; r<removed.size(); r++) { 15620 PreferredActivity pa = removed.get(r); 15621 Slog.w(TAG, "Removing dangling preferred activity: " 15622 + pa.mPref.mComponent); 15623 pir.removeFilter(pa); 15624 } 15625 mSettings.writePackageRestrictionsLPr( 15626 mSettings.mPreferredActivities.keyAt(i)); 15627 } 15628 } 15629 15630 for (int userId : UserManagerService.getInstance().getUserIds()) { 15631 if (!mSettings.areDefaultRuntimePermissionsGrantedLPr(userId)) { 15632 grantPermissionsUserIds = ArrayUtils.appendInt( 15633 grantPermissionsUserIds, userId); 15634 } 15635 } 15636 } 15637 sUserManager.systemReady(); 15638 15639 // If we upgraded grant all default permissions before kicking off. 15640 for (int userId : grantPermissionsUserIds) { 15641 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 15642 } 15643 15644 // Kick off any messages waiting for system ready 15645 if (mPostSystemReadyMessages != null) { 15646 for (Message msg : mPostSystemReadyMessages) { 15647 msg.sendToTarget(); 15648 } 15649 mPostSystemReadyMessages = null; 15650 } 15651 15652 // Watch for external volumes that come and go over time 15653 final StorageManager storage = mContext.getSystemService(StorageManager.class); 15654 storage.registerListener(mStorageListener); 15655 15656 mInstallerService.systemReady(); 15657 mPackageDexOptimizer.systemReady(); 15658 15659 MountServiceInternal mountServiceInternal = LocalServices.getService( 15660 MountServiceInternal.class); 15661 mountServiceInternal.addExternalStoragePolicy( 15662 new MountServiceInternal.ExternalStorageMountPolicy() { 15663 @Override 15664 public int getMountMode(int uid, String packageName) { 15665 if (Process.isIsolated(uid)) { 15666 return Zygote.MOUNT_EXTERNAL_NONE; 15667 } 15668 if (checkUidPermission(WRITE_MEDIA_STORAGE, uid) == PERMISSION_GRANTED) { 15669 return Zygote.MOUNT_EXTERNAL_DEFAULT; 15670 } 15671 if (checkUidPermission(READ_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 15672 return Zygote.MOUNT_EXTERNAL_DEFAULT; 15673 } 15674 if (checkUidPermission(WRITE_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 15675 return Zygote.MOUNT_EXTERNAL_READ; 15676 } 15677 return Zygote.MOUNT_EXTERNAL_WRITE; 15678 } 15679 15680 @Override 15681 public boolean hasExternalStorage(int uid, String packageName) { 15682 return true; 15683 } 15684 }); 15685 } 15686 15687 @Override 15688 public boolean isSafeMode() { 15689 return mSafeMode; 15690 } 15691 15692 @Override 15693 public boolean hasSystemUidErrors() { 15694 return mHasSystemUidErrors; 15695 } 15696 15697 static String arrayToString(int[] array) { 15698 StringBuffer buf = new StringBuffer(128); 15699 buf.append('['); 15700 if (array != null) { 15701 for (int i=0; i<array.length; i++) { 15702 if (i > 0) buf.append(", "); 15703 buf.append(array[i]); 15704 } 15705 } 15706 buf.append(']'); 15707 return buf.toString(); 15708 } 15709 15710 static class DumpState { 15711 public static final int DUMP_LIBS = 1 << 0; 15712 public static final int DUMP_FEATURES = 1 << 1; 15713 public static final int DUMP_ACTIVITY_RESOLVERS = 1 << 2; 15714 public static final int DUMP_SERVICE_RESOLVERS = 1 << 3; 15715 public static final int DUMP_RECEIVER_RESOLVERS = 1 << 4; 15716 public static final int DUMP_CONTENT_RESOLVERS = 1 << 5; 15717 public static final int DUMP_PERMISSIONS = 1 << 6; 15718 public static final int DUMP_PACKAGES = 1 << 7; 15719 public static final int DUMP_SHARED_USERS = 1 << 8; 15720 public static final int DUMP_MESSAGES = 1 << 9; 15721 public static final int DUMP_PROVIDERS = 1 << 10; 15722 public static final int DUMP_VERIFIERS = 1 << 11; 15723 public static final int DUMP_PREFERRED = 1 << 12; 15724 public static final int DUMP_PREFERRED_XML = 1 << 13; 15725 public static final int DUMP_KEYSETS = 1 << 14; 15726 public static final int DUMP_VERSION = 1 << 15; 15727 public static final int DUMP_INSTALLS = 1 << 16; 15728 public static final int DUMP_INTENT_FILTER_VERIFIERS = 1 << 17; 15729 public static final int DUMP_DOMAIN_PREFERRED = 1 << 18; 15730 15731 public static final int OPTION_SHOW_FILTERS = 1 << 0; 15732 15733 private int mTypes; 15734 15735 private int mOptions; 15736 15737 private boolean mTitlePrinted; 15738 15739 private SharedUserSetting mSharedUser; 15740 15741 public boolean isDumping(int type) { 15742 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 15743 return true; 15744 } 15745 15746 return (mTypes & type) != 0; 15747 } 15748 15749 public void setDump(int type) { 15750 mTypes |= type; 15751 } 15752 15753 public boolean isOptionEnabled(int option) { 15754 return (mOptions & option) != 0; 15755 } 15756 15757 public void setOptionEnabled(int option) { 15758 mOptions |= option; 15759 } 15760 15761 public boolean onTitlePrinted() { 15762 final boolean printed = mTitlePrinted; 15763 mTitlePrinted = true; 15764 return printed; 15765 } 15766 15767 public boolean getTitlePrinted() { 15768 return mTitlePrinted; 15769 } 15770 15771 public void setTitlePrinted(boolean enabled) { 15772 mTitlePrinted = enabled; 15773 } 15774 15775 public SharedUserSetting getSharedUser() { 15776 return mSharedUser; 15777 } 15778 15779 public void setSharedUser(SharedUserSetting user) { 15780 mSharedUser = user; 15781 } 15782 } 15783 15784 @Override 15785 public void onShellCommand(FileDescriptor in, FileDescriptor out, 15786 FileDescriptor err, String[] args, ResultReceiver resultReceiver) { 15787 (new PackageManagerShellCommand(this)).exec( 15788 this, in, out, err, args, resultReceiver); 15789 } 15790 15791 @Override 15792 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 15793 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 15794 != PackageManager.PERMISSION_GRANTED) { 15795 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 15796 + Binder.getCallingPid() 15797 + ", uid=" + Binder.getCallingUid() 15798 + " without permission " 15799 + android.Manifest.permission.DUMP); 15800 return; 15801 } 15802 15803 DumpState dumpState = new DumpState(); 15804 boolean fullPreferred = false; 15805 boolean checkin = false; 15806 15807 String packageName = null; 15808 ArraySet<String> permissionNames = null; 15809 15810 int opti = 0; 15811 while (opti < args.length) { 15812 String opt = args[opti]; 15813 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 15814 break; 15815 } 15816 opti++; 15817 15818 if ("-a".equals(opt)) { 15819 // Right now we only know how to print all. 15820 } else if ("-h".equals(opt)) { 15821 pw.println("Package manager dump options:"); 15822 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 15823 pw.println(" --checkin: dump for a checkin"); 15824 pw.println(" -f: print details of intent filters"); 15825 pw.println(" -h: print this help"); 15826 pw.println(" cmd may be one of:"); 15827 pw.println(" l[ibraries]: list known shared libraries"); 15828 pw.println(" f[eatures]: list device features"); 15829 pw.println(" k[eysets]: print known keysets"); 15830 pw.println(" r[esolvers] [activity|service|receiver|content]: dump intent resolvers"); 15831 pw.println(" perm[issions]: dump permissions"); 15832 pw.println(" permission [name ...]: dump declaration and use of given permission"); 15833 pw.println(" pref[erred]: print preferred package settings"); 15834 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 15835 pw.println(" prov[iders]: dump content providers"); 15836 pw.println(" p[ackages]: dump installed packages"); 15837 pw.println(" s[hared-users]: dump shared user IDs"); 15838 pw.println(" m[essages]: print collected runtime messages"); 15839 pw.println(" v[erifiers]: print package verifier info"); 15840 pw.println(" d[omain-preferred-apps]: print domains preferred apps"); 15841 pw.println(" i[ntent-filter-verifiers]|ifv: print intent filter verifier info"); 15842 pw.println(" version: print database version info"); 15843 pw.println(" write: write current settings now"); 15844 pw.println(" installs: details about install sessions"); 15845 pw.println(" check-permission <permission> <package> [<user>]: does pkg hold perm?"); 15846 pw.println(" <package.name>: info about given package"); 15847 return; 15848 } else if ("--checkin".equals(opt)) { 15849 checkin = true; 15850 } else if ("-f".equals(opt)) { 15851 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 15852 } else { 15853 pw.println("Unknown argument: " + opt + "; use -h for help"); 15854 } 15855 } 15856 15857 // Is the caller requesting to dump a particular piece of data? 15858 if (opti < args.length) { 15859 String cmd = args[opti]; 15860 opti++; 15861 // Is this a package name? 15862 if ("android".equals(cmd) || cmd.contains(".")) { 15863 packageName = cmd; 15864 // When dumping a single package, we always dump all of its 15865 // filter information since the amount of data will be reasonable. 15866 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 15867 } else if ("check-permission".equals(cmd)) { 15868 if (opti >= args.length) { 15869 pw.println("Error: check-permission missing permission argument"); 15870 return; 15871 } 15872 String perm = args[opti]; 15873 opti++; 15874 if (opti >= args.length) { 15875 pw.println("Error: check-permission missing package argument"); 15876 return; 15877 } 15878 String pkg = args[opti]; 15879 opti++; 15880 int user = UserHandle.getUserId(Binder.getCallingUid()); 15881 if (opti < args.length) { 15882 try { 15883 user = Integer.parseInt(args[opti]); 15884 } catch (NumberFormatException e) { 15885 pw.println("Error: check-permission user argument is not a number: " 15886 + args[opti]); 15887 return; 15888 } 15889 } 15890 pw.println(checkPermission(perm, pkg, user)); 15891 return; 15892 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 15893 dumpState.setDump(DumpState.DUMP_LIBS); 15894 } else if ("f".equals(cmd) || "features".equals(cmd)) { 15895 dumpState.setDump(DumpState.DUMP_FEATURES); 15896 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 15897 if (opti >= args.length) { 15898 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS 15899 | DumpState.DUMP_SERVICE_RESOLVERS 15900 | DumpState.DUMP_RECEIVER_RESOLVERS 15901 | DumpState.DUMP_CONTENT_RESOLVERS); 15902 } else { 15903 while (opti < args.length) { 15904 String name = args[opti]; 15905 if ("a".equals(name) || "activity".equals(name)) { 15906 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS); 15907 } else if ("s".equals(name) || "service".equals(name)) { 15908 dumpState.setDump(DumpState.DUMP_SERVICE_RESOLVERS); 15909 } else if ("r".equals(name) || "receiver".equals(name)) { 15910 dumpState.setDump(DumpState.DUMP_RECEIVER_RESOLVERS); 15911 } else if ("c".equals(name) || "content".equals(name)) { 15912 dumpState.setDump(DumpState.DUMP_CONTENT_RESOLVERS); 15913 } else { 15914 pw.println("Error: unknown resolver table type: " + name); 15915 return; 15916 } 15917 opti++; 15918 } 15919 } 15920 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 15921 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 15922 } else if ("permission".equals(cmd)) { 15923 if (opti >= args.length) { 15924 pw.println("Error: permission requires permission name"); 15925 return; 15926 } 15927 permissionNames = new ArraySet<>(); 15928 while (opti < args.length) { 15929 permissionNames.add(args[opti]); 15930 opti++; 15931 } 15932 dumpState.setDump(DumpState.DUMP_PERMISSIONS 15933 | DumpState.DUMP_PACKAGES | DumpState.DUMP_SHARED_USERS); 15934 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 15935 dumpState.setDump(DumpState.DUMP_PREFERRED); 15936 } else if ("preferred-xml".equals(cmd)) { 15937 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 15938 if (opti < args.length && "--full".equals(args[opti])) { 15939 fullPreferred = true; 15940 opti++; 15941 } 15942 } else if ("d".equals(cmd) || "domain-preferred-apps".equals(cmd)) { 15943 dumpState.setDump(DumpState.DUMP_DOMAIN_PREFERRED); 15944 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 15945 dumpState.setDump(DumpState.DUMP_PACKAGES); 15946 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 15947 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 15948 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 15949 dumpState.setDump(DumpState.DUMP_PROVIDERS); 15950 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 15951 dumpState.setDump(DumpState.DUMP_MESSAGES); 15952 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 15953 dumpState.setDump(DumpState.DUMP_VERIFIERS); 15954 } else if ("i".equals(cmd) || "ifv".equals(cmd) 15955 || "intent-filter-verifiers".equals(cmd)) { 15956 dumpState.setDump(DumpState.DUMP_INTENT_FILTER_VERIFIERS); 15957 } else if ("version".equals(cmd)) { 15958 dumpState.setDump(DumpState.DUMP_VERSION); 15959 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 15960 dumpState.setDump(DumpState.DUMP_KEYSETS); 15961 } else if ("installs".equals(cmd)) { 15962 dumpState.setDump(DumpState.DUMP_INSTALLS); 15963 } else if ("write".equals(cmd)) { 15964 synchronized (mPackages) { 15965 mSettings.writeLPr(); 15966 pw.println("Settings written."); 15967 return; 15968 } 15969 } 15970 } 15971 15972 if (checkin) { 15973 pw.println("vers,1"); 15974 } 15975 15976 // reader 15977 synchronized (mPackages) { 15978 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 15979 if (!checkin) { 15980 if (dumpState.onTitlePrinted()) 15981 pw.println(); 15982 pw.println("Database versions:"); 15983 mSettings.dumpVersionLPr(new IndentingPrintWriter(pw, " ")); 15984 } 15985 } 15986 15987 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 15988 if (!checkin) { 15989 if (dumpState.onTitlePrinted()) 15990 pw.println(); 15991 pw.println("Verifiers:"); 15992 pw.print(" Required: "); 15993 pw.print(mRequiredVerifierPackage); 15994 pw.print(" (uid="); 15995 pw.print(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 15996 UserHandle.USER_SYSTEM)); 15997 pw.println(")"); 15998 } else if (mRequiredVerifierPackage != null) { 15999 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 16000 pw.print(","); 16001 pw.println(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 16002 UserHandle.USER_SYSTEM)); 16003 } 16004 } 16005 16006 if (dumpState.isDumping(DumpState.DUMP_INTENT_FILTER_VERIFIERS) && 16007 packageName == null) { 16008 if (mIntentFilterVerifierComponent != null) { 16009 String verifierPackageName = mIntentFilterVerifierComponent.getPackageName(); 16010 if (!checkin) { 16011 if (dumpState.onTitlePrinted()) 16012 pw.println(); 16013 pw.println("Intent Filter Verifier:"); 16014 pw.print(" Using: "); 16015 pw.print(verifierPackageName); 16016 pw.print(" (uid="); 16017 pw.print(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 16018 UserHandle.USER_SYSTEM)); 16019 pw.println(")"); 16020 } else if (verifierPackageName != null) { 16021 pw.print("ifv,"); pw.print(verifierPackageName); 16022 pw.print(","); 16023 pw.println(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 16024 UserHandle.USER_SYSTEM)); 16025 } 16026 } else { 16027 pw.println(); 16028 pw.println("No Intent Filter Verifier available!"); 16029 } 16030 } 16031 16032 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 16033 boolean printedHeader = false; 16034 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 16035 while (it.hasNext()) { 16036 String name = it.next(); 16037 SharedLibraryEntry ent = mSharedLibraries.get(name); 16038 if (!checkin) { 16039 if (!printedHeader) { 16040 if (dumpState.onTitlePrinted()) 16041 pw.println(); 16042 pw.println("Libraries:"); 16043 printedHeader = true; 16044 } 16045 pw.print(" "); 16046 } else { 16047 pw.print("lib,"); 16048 } 16049 pw.print(name); 16050 if (!checkin) { 16051 pw.print(" -> "); 16052 } 16053 if (ent.path != null) { 16054 if (!checkin) { 16055 pw.print("(jar) "); 16056 pw.print(ent.path); 16057 } else { 16058 pw.print(",jar,"); 16059 pw.print(ent.path); 16060 } 16061 } else { 16062 if (!checkin) { 16063 pw.print("(apk) "); 16064 pw.print(ent.apk); 16065 } else { 16066 pw.print(",apk,"); 16067 pw.print(ent.apk); 16068 } 16069 } 16070 pw.println(); 16071 } 16072 } 16073 16074 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 16075 if (dumpState.onTitlePrinted()) 16076 pw.println(); 16077 if (!checkin) { 16078 pw.println("Features:"); 16079 } 16080 Iterator<String> it = mAvailableFeatures.keySet().iterator(); 16081 while (it.hasNext()) { 16082 String name = it.next(); 16083 if (!checkin) { 16084 pw.print(" "); 16085 } else { 16086 pw.print("feat,"); 16087 } 16088 pw.println(name); 16089 } 16090 } 16091 16092 if (!checkin && dumpState.isDumping(DumpState.DUMP_ACTIVITY_RESOLVERS)) { 16093 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 16094 : "Activity Resolver Table:", " ", packageName, 16095 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 16096 dumpState.setTitlePrinted(true); 16097 } 16098 } 16099 if (!checkin && dumpState.isDumping(DumpState.DUMP_RECEIVER_RESOLVERS)) { 16100 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 16101 : "Receiver Resolver Table:", " ", packageName, 16102 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 16103 dumpState.setTitlePrinted(true); 16104 } 16105 } 16106 if (!checkin && dumpState.isDumping(DumpState.DUMP_SERVICE_RESOLVERS)) { 16107 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 16108 : "Service Resolver Table:", " ", packageName, 16109 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 16110 dumpState.setTitlePrinted(true); 16111 } 16112 } 16113 if (!checkin && dumpState.isDumping(DumpState.DUMP_CONTENT_RESOLVERS)) { 16114 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 16115 : "Provider Resolver Table:", " ", packageName, 16116 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 16117 dumpState.setTitlePrinted(true); 16118 } 16119 } 16120 16121 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 16122 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 16123 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 16124 int user = mSettings.mPreferredActivities.keyAt(i); 16125 if (pir.dump(pw, 16126 dumpState.getTitlePrinted() 16127 ? "\nPreferred Activities User " + user + ":" 16128 : "Preferred Activities User " + user + ":", " ", 16129 packageName, true, false)) { 16130 dumpState.setTitlePrinted(true); 16131 } 16132 } 16133 } 16134 16135 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 16136 pw.flush(); 16137 FileOutputStream fout = new FileOutputStream(fd); 16138 BufferedOutputStream str = new BufferedOutputStream(fout); 16139 XmlSerializer serializer = new FastXmlSerializer(); 16140 try { 16141 serializer.setOutput(str, StandardCharsets.UTF_8.name()); 16142 serializer.startDocument(null, true); 16143 serializer.setFeature( 16144 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 16145 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 16146 serializer.endDocument(); 16147 serializer.flush(); 16148 } catch (IllegalArgumentException e) { 16149 pw.println("Failed writing: " + e); 16150 } catch (IllegalStateException e) { 16151 pw.println("Failed writing: " + e); 16152 } catch (IOException e) { 16153 pw.println("Failed writing: " + e); 16154 } 16155 } 16156 16157 if (!checkin 16158 && dumpState.isDumping(DumpState.DUMP_DOMAIN_PREFERRED) 16159 && packageName == null) { 16160 pw.println(); 16161 int count = mSettings.mPackages.size(); 16162 if (count == 0) { 16163 pw.println("No applications!"); 16164 pw.println(); 16165 } else { 16166 final String prefix = " "; 16167 Collection<PackageSetting> allPackageSettings = mSettings.mPackages.values(); 16168 if (allPackageSettings.size() == 0) { 16169 pw.println("No domain preferred apps!"); 16170 pw.println(); 16171 } else { 16172 pw.println("App verification status:"); 16173 pw.println(); 16174 count = 0; 16175 for (PackageSetting ps : allPackageSettings) { 16176 IntentFilterVerificationInfo ivi = ps.getIntentFilterVerificationInfo(); 16177 if (ivi == null || ivi.getPackageName() == null) continue; 16178 pw.println(prefix + "Package: " + ivi.getPackageName()); 16179 pw.println(prefix + "Domains: " + ivi.getDomainsString()); 16180 pw.println(prefix + "Status: " + ivi.getStatusString()); 16181 pw.println(); 16182 count++; 16183 } 16184 if (count == 0) { 16185 pw.println(prefix + "No app verification established."); 16186 pw.println(); 16187 } 16188 for (int userId : sUserManager.getUserIds()) { 16189 pw.println("App linkages for user " + userId + ":"); 16190 pw.println(); 16191 count = 0; 16192 for (PackageSetting ps : allPackageSettings) { 16193 final long status = ps.getDomainVerificationStatusForUser(userId); 16194 if (status >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 16195 continue; 16196 } 16197 pw.println(prefix + "Package: " + ps.name); 16198 pw.println(prefix + "Domains: " + dumpDomainString(ps.name)); 16199 String statusStr = IntentFilterVerificationInfo. 16200 getStatusStringFromValue(status); 16201 pw.println(prefix + "Status: " + statusStr); 16202 pw.println(); 16203 count++; 16204 } 16205 if (count == 0) { 16206 pw.println(prefix + "No configured app linkages."); 16207 pw.println(); 16208 } 16209 } 16210 } 16211 } 16212 } 16213 16214 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 16215 mSettings.dumpPermissionsLPr(pw, packageName, permissionNames, dumpState); 16216 if (packageName == null && permissionNames == null) { 16217 for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) { 16218 if (iperm == 0) { 16219 if (dumpState.onTitlePrinted()) 16220 pw.println(); 16221 pw.println("AppOp Permissions:"); 16222 } 16223 pw.print(" AppOp Permission "); 16224 pw.print(mAppOpPermissionPackages.keyAt(iperm)); 16225 pw.println(":"); 16226 ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm); 16227 for (int ipkg=0; ipkg<pkgs.size(); ipkg++) { 16228 pw.print(" "); pw.println(pkgs.valueAt(ipkg)); 16229 } 16230 } 16231 } 16232 } 16233 16234 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 16235 boolean printedSomething = false; 16236 for (PackageParser.Provider p : mProviders.mProviders.values()) { 16237 if (packageName != null && !packageName.equals(p.info.packageName)) { 16238 continue; 16239 } 16240 if (!printedSomething) { 16241 if (dumpState.onTitlePrinted()) 16242 pw.println(); 16243 pw.println("Registered ContentProviders:"); 16244 printedSomething = true; 16245 } 16246 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 16247 pw.print(" "); pw.println(p.toString()); 16248 } 16249 printedSomething = false; 16250 for (Map.Entry<String, PackageParser.Provider> entry : 16251 mProvidersByAuthority.entrySet()) { 16252 PackageParser.Provider p = entry.getValue(); 16253 if (packageName != null && !packageName.equals(p.info.packageName)) { 16254 continue; 16255 } 16256 if (!printedSomething) { 16257 if (dumpState.onTitlePrinted()) 16258 pw.println(); 16259 pw.println("ContentProvider Authorities:"); 16260 printedSomething = true; 16261 } 16262 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 16263 pw.print(" "); pw.println(p.toString()); 16264 if (p.info != null && p.info.applicationInfo != null) { 16265 final String appInfo = p.info.applicationInfo.toString(); 16266 pw.print(" applicationInfo="); pw.println(appInfo); 16267 } 16268 } 16269 } 16270 16271 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 16272 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 16273 } 16274 16275 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 16276 mSettings.dumpPackagesLPr(pw, packageName, permissionNames, dumpState, checkin); 16277 } 16278 16279 if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 16280 mSettings.dumpSharedUsersLPr(pw, packageName, permissionNames, dumpState, checkin); 16281 } 16282 16283 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS) && packageName == null) { 16284 mSettings.dumpRestoredPermissionGrantsLPr(pw, dumpState); 16285 } 16286 16287 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) { 16288 // XXX should handle packageName != null by dumping only install data that 16289 // the given package is involved with. 16290 if (dumpState.onTitlePrinted()) pw.println(); 16291 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 16292 } 16293 16294 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 16295 if (dumpState.onTitlePrinted()) pw.println(); 16296 mSettings.dumpReadMessagesLPr(pw, dumpState); 16297 16298 pw.println(); 16299 pw.println("Package warning messages:"); 16300 BufferedReader in = null; 16301 String line = null; 16302 try { 16303 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 16304 while ((line = in.readLine()) != null) { 16305 if (line.contains("ignored: updated version")) continue; 16306 pw.println(line); 16307 } 16308 } catch (IOException ignored) { 16309 } finally { 16310 IoUtils.closeQuietly(in); 16311 } 16312 } 16313 16314 if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) { 16315 BufferedReader in = null; 16316 String line = null; 16317 try { 16318 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 16319 while ((line = in.readLine()) != null) { 16320 if (line.contains("ignored: updated version")) continue; 16321 pw.print("msg,"); 16322 pw.println(line); 16323 } 16324 } catch (IOException ignored) { 16325 } finally { 16326 IoUtils.closeQuietly(in); 16327 } 16328 } 16329 } 16330 } 16331 16332 private String dumpDomainString(String packageName) { 16333 List<IntentFilterVerificationInfo> iviList = getIntentFilterVerifications(packageName); 16334 List<IntentFilter> filters = getAllIntentFilters(packageName); 16335 16336 ArraySet<String> result = new ArraySet<>(); 16337 if (iviList.size() > 0) { 16338 for (IntentFilterVerificationInfo ivi : iviList) { 16339 for (String host : ivi.getDomains()) { 16340 result.add(host); 16341 } 16342 } 16343 } 16344 if (filters != null && filters.size() > 0) { 16345 for (IntentFilter filter : filters) { 16346 if (filter.hasCategory(Intent.CATEGORY_BROWSABLE) 16347 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 16348 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS))) { 16349 result.addAll(filter.getHostsList()); 16350 } 16351 } 16352 } 16353 16354 StringBuilder sb = new StringBuilder(result.size() * 16); 16355 for (String domain : result) { 16356 if (sb.length() > 0) sb.append(" "); 16357 sb.append(domain); 16358 } 16359 return sb.toString(); 16360 } 16361 16362 // ------- apps on sdcard specific code ------- 16363 static final boolean DEBUG_SD_INSTALL = false; 16364 16365 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 16366 16367 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 16368 16369 private boolean mMediaMounted = false; 16370 16371 static String getEncryptKey() { 16372 try { 16373 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 16374 SD_ENCRYPTION_KEYSTORE_NAME); 16375 if (sdEncKey == null) { 16376 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 16377 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 16378 if (sdEncKey == null) { 16379 Slog.e(TAG, "Failed to create encryption keys"); 16380 return null; 16381 } 16382 } 16383 return sdEncKey; 16384 } catch (NoSuchAlgorithmException nsae) { 16385 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 16386 return null; 16387 } catch (IOException ioe) { 16388 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 16389 return null; 16390 } 16391 } 16392 16393 /* 16394 * Update media status on PackageManager. 16395 */ 16396 @Override 16397 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 16398 int callingUid = Binder.getCallingUid(); 16399 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 16400 throw new SecurityException("Media status can only be updated by the system"); 16401 } 16402 // reader; this apparently protects mMediaMounted, but should probably 16403 // be a different lock in that case. 16404 synchronized (mPackages) { 16405 Log.i(TAG, "Updating external media status from " 16406 + (mMediaMounted ? "mounted" : "unmounted") + " to " 16407 + (mediaStatus ? "mounted" : "unmounted")); 16408 if (DEBUG_SD_INSTALL) 16409 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 16410 + ", mMediaMounted=" + mMediaMounted); 16411 if (mediaStatus == mMediaMounted) { 16412 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 16413 : 0, -1); 16414 mHandler.sendMessage(msg); 16415 return; 16416 } 16417 mMediaMounted = mediaStatus; 16418 } 16419 // Queue up an async operation since the package installation may take a 16420 // little while. 16421 mHandler.post(new Runnable() { 16422 public void run() { 16423 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 16424 } 16425 }); 16426 } 16427 16428 /** 16429 * Called by MountService when the initial ASECs to scan are available. 16430 * Should block until all the ASEC containers are finished being scanned. 16431 */ 16432 public void scanAvailableAsecs() { 16433 updateExternalMediaStatusInner(true, false, false); 16434 } 16435 16436 /* 16437 * Collect information of applications on external media, map them against 16438 * existing containers and update information based on current mount status. 16439 * Please note that we always have to report status if reportStatus has been 16440 * set to true especially when unloading packages. 16441 */ 16442 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 16443 boolean externalStorage) { 16444 ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>(); 16445 int[] uidArr = EmptyArray.INT; 16446 16447 final String[] list = PackageHelper.getSecureContainerList(); 16448 if (ArrayUtils.isEmpty(list)) { 16449 Log.i(TAG, "No secure containers found"); 16450 } else { 16451 // Process list of secure containers and categorize them 16452 // as active or stale based on their package internal state. 16453 16454 // reader 16455 synchronized (mPackages) { 16456 for (String cid : list) { 16457 // Leave stages untouched for now; installer service owns them 16458 if (PackageInstallerService.isStageName(cid)) continue; 16459 16460 if (DEBUG_SD_INSTALL) 16461 Log.i(TAG, "Processing container " + cid); 16462 String pkgName = getAsecPackageName(cid); 16463 if (pkgName == null) { 16464 Slog.i(TAG, "Found stale container " + cid + " with no package name"); 16465 continue; 16466 } 16467 if (DEBUG_SD_INSTALL) 16468 Log.i(TAG, "Looking for pkg : " + pkgName); 16469 16470 final PackageSetting ps = mSettings.mPackages.get(pkgName); 16471 if (ps == null) { 16472 Slog.i(TAG, "Found stale container " + cid + " with no matching settings"); 16473 continue; 16474 } 16475 16476 /* 16477 * Skip packages that are not external if we're unmounting 16478 * external storage. 16479 */ 16480 if (externalStorage && !isMounted && !isExternal(ps)) { 16481 continue; 16482 } 16483 16484 final AsecInstallArgs args = new AsecInstallArgs(cid, 16485 getAppDexInstructionSets(ps), ps.isForwardLocked()); 16486 // The package status is changed only if the code path 16487 // matches between settings and the container id. 16488 if (ps.codePathString != null 16489 && ps.codePathString.startsWith(args.getCodePath())) { 16490 if (DEBUG_SD_INSTALL) { 16491 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 16492 + " at code path: " + ps.codePathString); 16493 } 16494 16495 // We do have a valid package installed on sdcard 16496 processCids.put(args, ps.codePathString); 16497 final int uid = ps.appId; 16498 if (uid != -1) { 16499 uidArr = ArrayUtils.appendInt(uidArr, uid); 16500 } 16501 } else { 16502 Slog.i(TAG, "Found stale container " + cid + ": expected codePath=" 16503 + ps.codePathString); 16504 } 16505 } 16506 } 16507 16508 Arrays.sort(uidArr); 16509 } 16510 16511 // Process packages with valid entries. 16512 if (isMounted) { 16513 if (DEBUG_SD_INSTALL) 16514 Log.i(TAG, "Loading packages"); 16515 loadMediaPackages(processCids, uidArr, externalStorage); 16516 startCleaningPackages(); 16517 mInstallerService.onSecureContainersAvailable(); 16518 } else { 16519 if (DEBUG_SD_INSTALL) 16520 Log.i(TAG, "Unloading packages"); 16521 unloadMediaPackages(processCids, uidArr, reportStatus); 16522 } 16523 } 16524 16525 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 16526 ArrayList<ApplicationInfo> infos, IIntentReceiver finishedReceiver) { 16527 final int size = infos.size(); 16528 final String[] packageNames = new String[size]; 16529 final int[] packageUids = new int[size]; 16530 for (int i = 0; i < size; i++) { 16531 final ApplicationInfo info = infos.get(i); 16532 packageNames[i] = info.packageName; 16533 packageUids[i] = info.uid; 16534 } 16535 sendResourcesChangedBroadcast(mediaStatus, replacing, packageNames, packageUids, 16536 finishedReceiver); 16537 } 16538 16539 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 16540 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 16541 sendResourcesChangedBroadcast(mediaStatus, replacing, 16542 pkgList.toArray(new String[pkgList.size()]), uidArr, finishedReceiver); 16543 } 16544 16545 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 16546 String[] pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 16547 int size = pkgList.length; 16548 if (size > 0) { 16549 // Send broadcasts here 16550 Bundle extras = new Bundle(); 16551 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 16552 if (uidArr != null) { 16553 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 16554 } 16555 if (replacing) { 16556 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 16557 } 16558 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 16559 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 16560 sendPackageBroadcast(action, null, extras, 0, null, finishedReceiver, null); 16561 } 16562 } 16563 16564 /* 16565 * Look at potentially valid container ids from processCids If package 16566 * information doesn't match the one on record or package scanning fails, 16567 * the cid is added to list of removeCids. We currently don't delete stale 16568 * containers. 16569 */ 16570 private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr, 16571 boolean externalStorage) { 16572 ArrayList<String> pkgList = new ArrayList<String>(); 16573 Set<AsecInstallArgs> keys = processCids.keySet(); 16574 16575 for (AsecInstallArgs args : keys) { 16576 String codePath = processCids.get(args); 16577 if (DEBUG_SD_INSTALL) 16578 Log.i(TAG, "Loading container : " + args.cid); 16579 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 16580 try { 16581 // Make sure there are no container errors first. 16582 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 16583 Slog.e(TAG, "Failed to mount cid : " + args.cid 16584 + " when installing from sdcard"); 16585 continue; 16586 } 16587 // Check code path here. 16588 if (codePath == null || !codePath.startsWith(args.getCodePath())) { 16589 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 16590 + " does not match one in settings " + codePath); 16591 continue; 16592 } 16593 // Parse package 16594 int parseFlags = mDefParseFlags; 16595 if (args.isExternalAsec()) { 16596 parseFlags |= PackageParser.PARSE_EXTERNAL_STORAGE; 16597 } 16598 if (args.isFwdLocked()) { 16599 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 16600 } 16601 16602 synchronized (mInstallLock) { 16603 PackageParser.Package pkg = null; 16604 try { 16605 pkg = scanPackageTracedLI(new File(codePath), parseFlags, 0, 0, null); 16606 } catch (PackageManagerException e) { 16607 Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage()); 16608 } 16609 // Scan the package 16610 if (pkg != null) { 16611 /* 16612 * TODO why is the lock being held? doPostInstall is 16613 * called in other places without the lock. This needs 16614 * to be straightened out. 16615 */ 16616 // writer 16617 synchronized (mPackages) { 16618 retCode = PackageManager.INSTALL_SUCCEEDED; 16619 pkgList.add(pkg.packageName); 16620 // Post process args 16621 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 16622 pkg.applicationInfo.uid); 16623 } 16624 } else { 16625 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 16626 } 16627 } 16628 16629 } finally { 16630 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 16631 Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode); 16632 } 16633 } 16634 } 16635 // writer 16636 synchronized (mPackages) { 16637 // If the platform SDK has changed since the last time we booted, 16638 // we need to re-grant app permission to catch any new ones that 16639 // appear. This is really a hack, and means that apps can in some 16640 // cases get permissions that the user didn't initially explicitly 16641 // allow... it would be nice to have some better way to handle 16642 // this situation. 16643 final VersionInfo ver = externalStorage ? mSettings.getExternalVersion() 16644 : mSettings.getInternalVersion(); 16645 final String volumeUuid = externalStorage ? StorageManager.UUID_PRIMARY_PHYSICAL 16646 : StorageManager.UUID_PRIVATE_INTERNAL; 16647 16648 int updateFlags = UPDATE_PERMISSIONS_ALL; 16649 if (ver.sdkVersion != mSdkVersion) { 16650 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 16651 + mSdkVersion + "; regranting permissions for external"); 16652 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 16653 } 16654 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 16655 16656 // Yay, everything is now upgraded 16657 ver.forceCurrent(); 16658 16659 // can downgrade to reader 16660 // Persist settings 16661 mSettings.writeLPr(); 16662 } 16663 // Send a broadcast to let everyone know we are done processing 16664 if (pkgList.size() > 0) { 16665 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 16666 } 16667 } 16668 16669 /* 16670 * Utility method to unload a list of specified containers 16671 */ 16672 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 16673 // Just unmount all valid containers. 16674 for (AsecInstallArgs arg : cidArgs) { 16675 synchronized (mInstallLock) { 16676 arg.doPostDeleteLI(false); 16677 } 16678 } 16679 } 16680 16681 /* 16682 * Unload packages mounted on external media. This involves deleting package 16683 * data from internal structures, sending broadcasts about diabled packages, 16684 * gc'ing to free up references, unmounting all secure containers 16685 * corresponding to packages on external media, and posting a 16686 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 16687 * that we always have to post this message if status has been requested no 16688 * matter what. 16689 */ 16690 private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[], 16691 final boolean reportStatus) { 16692 if (DEBUG_SD_INSTALL) 16693 Log.i(TAG, "unloading media packages"); 16694 ArrayList<String> pkgList = new ArrayList<String>(); 16695 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 16696 final Set<AsecInstallArgs> keys = processCids.keySet(); 16697 for (AsecInstallArgs args : keys) { 16698 String pkgName = args.getPackageName(); 16699 if (DEBUG_SD_INSTALL) 16700 Log.i(TAG, "Trying to unload pkg : " + pkgName); 16701 // Delete package internally 16702 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 16703 synchronized (mInstallLock) { 16704 boolean res = deletePackageLI(pkgName, null, false, null, null, 16705 PackageManager.DELETE_KEEP_DATA, outInfo, false); 16706 if (res) { 16707 pkgList.add(pkgName); 16708 } else { 16709 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 16710 failedList.add(args); 16711 } 16712 } 16713 } 16714 16715 // reader 16716 synchronized (mPackages) { 16717 // We didn't update the settings after removing each package; 16718 // write them now for all packages. 16719 mSettings.writeLPr(); 16720 } 16721 16722 // We have to absolutely send UPDATED_MEDIA_STATUS only 16723 // after confirming that all the receivers processed the ordered 16724 // broadcast when packages get disabled, force a gc to clean things up. 16725 // and unload all the containers. 16726 if (pkgList.size() > 0) { 16727 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 16728 new IIntentReceiver.Stub() { 16729 public void performReceive(Intent intent, int resultCode, String data, 16730 Bundle extras, boolean ordered, boolean sticky, 16731 int sendingUser) throws RemoteException { 16732 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 16733 reportStatus ? 1 : 0, 1, keys); 16734 mHandler.sendMessage(msg); 16735 } 16736 }); 16737 } else { 16738 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 16739 keys); 16740 mHandler.sendMessage(msg); 16741 } 16742 } 16743 16744 private void loadPrivatePackages(final VolumeInfo vol) { 16745 mHandler.post(new Runnable() { 16746 @Override 16747 public void run() { 16748 loadPrivatePackagesInner(vol); 16749 } 16750 }); 16751 } 16752 16753 private void loadPrivatePackagesInner(VolumeInfo vol) { 16754 final String volumeUuid = vol.fsUuid; 16755 if (TextUtils.isEmpty(volumeUuid)) { 16756 Slog.e(TAG, "Loading internal storage is probably a mistake; ignoring"); 16757 return; 16758 } 16759 16760 final ArrayList<ApplicationInfo> loaded = new ArrayList<>(); 16761 final int parseFlags = mDefParseFlags | PackageParser.PARSE_EXTERNAL_STORAGE; 16762 16763 final VersionInfo ver; 16764 final List<PackageSetting> packages; 16765 synchronized (mPackages) { 16766 ver = mSettings.findOrCreateVersion(volumeUuid); 16767 packages = mSettings.getVolumePackagesLPr(volumeUuid); 16768 } 16769 16770 // TODO: introduce a new concept similar to "frozen" to prevent these 16771 // apps from being launched until after data has been fully reconciled 16772 for (PackageSetting ps : packages) { 16773 synchronized (mInstallLock) { 16774 final PackageParser.Package pkg; 16775 try { 16776 pkg = scanPackageTracedLI(ps.codePath, parseFlags, SCAN_INITIAL, 0, null); 16777 loaded.add(pkg.applicationInfo); 16778 16779 } catch (PackageManagerException e) { 16780 Slog.w(TAG, "Failed to scan " + ps.codePath + ": " + e.getMessage()); 16781 } 16782 16783 if (!Build.FINGERPRINT.equals(ver.fingerprint)) { 16784 deleteCodeCacheDirsLI(ps.volumeUuid, ps.name); 16785 } 16786 } 16787 } 16788 16789 // Reconcile app data for all started/unlocked users 16790 final UserManager um = mContext.getSystemService(UserManager.class); 16791 for (UserInfo user : um.getUsers()) { 16792 if (um.isUserUnlocked(user.id)) { 16793 reconcileAppsData(volumeUuid, user.id, 16794 Installer.FLAG_DE_STORAGE | Installer.FLAG_CE_STORAGE); 16795 } else if (um.isUserRunning(user.id)) { 16796 reconcileAppsData(volumeUuid, user.id, Installer.FLAG_DE_STORAGE); 16797 } else { 16798 continue; 16799 } 16800 } 16801 16802 synchronized (mPackages) { 16803 int updateFlags = UPDATE_PERMISSIONS_ALL; 16804 if (ver.sdkVersion != mSdkVersion) { 16805 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 16806 + mSdkVersion + "; regranting permissions for " + volumeUuid); 16807 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 16808 } 16809 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 16810 16811 // Yay, everything is now upgraded 16812 ver.forceCurrent(); 16813 16814 mSettings.writeLPr(); 16815 } 16816 16817 if (DEBUG_INSTALL) Slog.d(TAG, "Loaded packages " + loaded); 16818 sendResourcesChangedBroadcast(true, false, loaded, null); 16819 } 16820 16821 private void unloadPrivatePackages(final VolumeInfo vol) { 16822 mHandler.post(new Runnable() { 16823 @Override 16824 public void run() { 16825 unloadPrivatePackagesInner(vol); 16826 } 16827 }); 16828 } 16829 16830 private void unloadPrivatePackagesInner(VolumeInfo vol) { 16831 final String volumeUuid = vol.fsUuid; 16832 if (TextUtils.isEmpty(volumeUuid)) { 16833 Slog.e(TAG, "Unloading internal storage is probably a mistake; ignoring"); 16834 return; 16835 } 16836 16837 final ArrayList<ApplicationInfo> unloaded = new ArrayList<>(); 16838 synchronized (mInstallLock) { 16839 synchronized (mPackages) { 16840 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(volumeUuid); 16841 for (PackageSetting ps : packages) { 16842 if (ps.pkg == null) continue; 16843 16844 final ApplicationInfo info = ps.pkg.applicationInfo; 16845 final PackageRemovedInfo outInfo = new PackageRemovedInfo(); 16846 if (deletePackageLI(ps.name, null, false, null, null, 16847 PackageManager.DELETE_KEEP_DATA, outInfo, false)) { 16848 unloaded.add(info); 16849 } else { 16850 Slog.w(TAG, "Failed to unload " + ps.codePath); 16851 } 16852 } 16853 16854 mSettings.writeLPr(); 16855 } 16856 } 16857 16858 if (DEBUG_INSTALL) Slog.d(TAG, "Unloaded packages " + unloaded); 16859 sendResourcesChangedBroadcast(false, false, unloaded, null); 16860 } 16861 16862 /** 16863 * Examine all users present on given mounted volume, and destroy data 16864 * belonging to users that are no longer valid, or whose user ID has been 16865 * recycled. 16866 */ 16867 private void reconcileUsers(String volumeUuid) { 16868 final File[] files = FileUtils 16869 .listFilesOrEmpty(Environment.getDataUserDirectory(volumeUuid)); 16870 for (File file : files) { 16871 if (!file.isDirectory()) continue; 16872 16873 final int userId; 16874 final UserInfo info; 16875 try { 16876 userId = Integer.parseInt(file.getName()); 16877 info = sUserManager.getUserInfo(userId); 16878 } catch (NumberFormatException e) { 16879 Slog.w(TAG, "Invalid user directory " + file); 16880 continue; 16881 } 16882 16883 boolean destroyUser = false; 16884 if (info == null) { 16885 logCriticalInfo(Log.WARN, "Destroying user directory " + file 16886 + " because no matching user was found"); 16887 destroyUser = true; 16888 } else { 16889 try { 16890 UserManagerService.enforceSerialNumber(file, info.serialNumber); 16891 } catch (IOException e) { 16892 logCriticalInfo(Log.WARN, "Destroying user directory " + file 16893 + " because we failed to enforce serial number: " + e); 16894 destroyUser = true; 16895 } 16896 } 16897 16898 if (destroyUser) { 16899 synchronized (mInstallLock) { 16900 try { 16901 mInstaller.removeUserDataDirs(volumeUuid, userId); 16902 } catch (InstallerException e) { 16903 Slog.w(TAG, "Failed to clean up user dirs", e); 16904 } 16905 } 16906 } 16907 } 16908 16909 final StorageManager sm = mContext.getSystemService(StorageManager.class); 16910 final UserManager um = mContext.getSystemService(UserManager.class); 16911 for (UserInfo user : um.getUsers()) { 16912 final File userDir = Environment.getDataUserDirectory(volumeUuid, user.id); 16913 if (userDir.exists()) continue; 16914 16915 try { 16916 sm.prepareUserStorage(volumeUuid, user.id, user.serialNumber, user.isEphemeral()); 16917 UserManagerService.enforceSerialNumber(userDir, user.serialNumber); 16918 } catch (IOException e) { 16919 Log.wtf(TAG, "Failed to create user directory on " + volumeUuid, e); 16920 } 16921 } 16922 } 16923 16924 private void assertPackageKnown(String volumeUuid, String packageName) 16925 throws PackageManagerException { 16926 synchronized (mPackages) { 16927 final PackageSetting ps = mSettings.mPackages.get(packageName); 16928 if (ps == null) { 16929 throw new PackageManagerException("Package " + packageName + " is unknown"); 16930 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 16931 throw new PackageManagerException( 16932 "Package " + packageName + " found on unknown volume " + volumeUuid 16933 + "; expected volume " + ps.volumeUuid); 16934 } 16935 } 16936 } 16937 16938 private void assertPackageKnownAndInstalled(String volumeUuid, String packageName, int userId) 16939 throws PackageManagerException { 16940 synchronized (mPackages) { 16941 final PackageSetting ps = mSettings.mPackages.get(packageName); 16942 if (ps == null) { 16943 throw new PackageManagerException("Package " + packageName + " is unknown"); 16944 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 16945 throw new PackageManagerException( 16946 "Package " + packageName + " found on unknown volume " + volumeUuid 16947 + "; expected volume " + ps.volumeUuid); 16948 } else if (!ps.getInstalled(userId)) { 16949 throw new PackageManagerException( 16950 "Package " + packageName + " not installed for user " + userId); 16951 } 16952 } 16953 } 16954 16955 /** 16956 * Examine all apps present on given mounted volume, and destroy apps that 16957 * aren't expected, either due to uninstallation or reinstallation on 16958 * another volume. 16959 */ 16960 private void reconcileApps(String volumeUuid) { 16961 final File[] files = FileUtils 16962 .listFilesOrEmpty(Environment.getDataAppDirectory(volumeUuid)); 16963 for (File file : files) { 16964 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 16965 && !PackageInstallerService.isStageName(file.getName()); 16966 if (!isPackage) { 16967 // Ignore entries which are not packages 16968 continue; 16969 } 16970 16971 try { 16972 final PackageLite pkg = PackageParser.parsePackageLite(file, 16973 PackageParser.PARSE_MUST_BE_APK); 16974 assertPackageKnown(volumeUuid, pkg.packageName); 16975 16976 } catch (PackageParserException | PackageManagerException e) { 16977 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 16978 synchronized (mInstallLock) { 16979 removeCodePathLI(file); 16980 } 16981 } 16982 } 16983 } 16984 16985 /** 16986 * Reconcile all app data for the given user. 16987 * <p> 16988 * Verifies that directories exist and that ownership and labeling is 16989 * correct for all installed apps on all mounted volumes. 16990 */ 16991 void reconcileAppsData(int userId, @StorageFlags int flags) { 16992 final StorageManager storage = mContext.getSystemService(StorageManager.class); 16993 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 16994 final String volumeUuid = vol.getFsUuid(); 16995 reconcileAppsData(volumeUuid, userId, flags); 16996 } 16997 } 16998 16999 /** 17000 * Reconcile all app data on given mounted volume. 17001 * <p> 17002 * Destroys app data that isn't expected, either due to uninstallation or 17003 * reinstallation on another volume. 17004 * <p> 17005 * Verifies that directories exist and that ownership and labeling is 17006 * correct for all installed apps. 17007 */ 17008 private void reconcileAppsData(String volumeUuid, int userId, @StorageFlags int flags) { 17009 Slog.v(TAG, "reconcileAppsData for " + volumeUuid + " u" + userId + " 0x" 17010 + Integer.toHexString(flags)); 17011 17012 final File ceDir = Environment.getDataUserCredentialEncryptedDirectory(volumeUuid, userId); 17013 final File deDir = Environment.getDataUserDeviceEncryptedDirectory(volumeUuid, userId); 17014 17015 boolean restoreconNeeded = false; 17016 17017 // First look for stale data that doesn't belong, and check if things 17018 // have changed since we did our last restorecon 17019 if ((flags & Installer.FLAG_CE_STORAGE) != 0) { 17020 if (!isUserKeyUnlocked(userId)) { 17021 throw new RuntimeException( 17022 "Yikes, someone asked us to reconcile CE storage while " + userId 17023 + " was still locked; this would have caused massive data loss!"); 17024 } 17025 17026 restoreconNeeded |= SELinuxMMAC.isRestoreconNeeded(ceDir); 17027 17028 final File[] files = FileUtils.listFilesOrEmpty(ceDir); 17029 for (File file : files) { 17030 final String packageName = file.getName(); 17031 try { 17032 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 17033 } catch (PackageManagerException e) { 17034 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 17035 synchronized (mInstallLock) { 17036 destroyAppDataLI(volumeUuid, packageName, userId, 17037 Installer.FLAG_CE_STORAGE); 17038 } 17039 } 17040 } 17041 } 17042 if ((flags & Installer.FLAG_DE_STORAGE) != 0) { 17043 restoreconNeeded |= SELinuxMMAC.isRestoreconNeeded(deDir); 17044 17045 final File[] files = FileUtils.listFilesOrEmpty(deDir); 17046 for (File file : files) { 17047 final String packageName = file.getName(); 17048 try { 17049 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 17050 } catch (PackageManagerException e) { 17051 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 17052 synchronized (mInstallLock) { 17053 destroyAppDataLI(volumeUuid, packageName, userId, 17054 Installer.FLAG_DE_STORAGE); 17055 } 17056 } 17057 } 17058 } 17059 17060 // Ensure that data directories are ready to roll for all packages 17061 // installed for this volume and user 17062 final List<PackageSetting> packages; 17063 synchronized (mPackages) { 17064 packages = mSettings.getVolumePackagesLPr(volumeUuid); 17065 } 17066 int preparedCount = 0; 17067 for (PackageSetting ps : packages) { 17068 final String packageName = ps.name; 17069 if (ps.pkg == null) { 17070 Slog.w(TAG, "Odd, missing scanned package " + packageName); 17071 // TODO: might be due to legacy ASEC apps; we should circle back 17072 // and reconcile again once they're scanned 17073 continue; 17074 } 17075 17076 if (ps.getInstalled(userId)) { 17077 prepareAppData(volumeUuid, userId, flags, ps.pkg, restoreconNeeded); 17078 preparedCount++; 17079 } 17080 } 17081 17082 if (restoreconNeeded) { 17083 if ((flags & Installer.FLAG_CE_STORAGE) != 0) { 17084 SELinuxMMAC.setRestoreconDone(ceDir); 17085 } 17086 if ((flags & Installer.FLAG_DE_STORAGE) != 0) { 17087 SELinuxMMAC.setRestoreconDone(deDir); 17088 } 17089 } 17090 17091 Slog.v(TAG, "reconcileAppsData finished " + preparedCount 17092 + " packages; restoreconNeeded was " + restoreconNeeded); 17093 } 17094 17095 /** 17096 * Prepare app data for the given app just after it was installed or 17097 * upgraded. This method carefully only touches users that it's installed 17098 * for, and it forces a restorecon to handle any seinfo changes. 17099 * <p> 17100 * Verifies that directories exist and that ownership and labeling is 17101 * correct for all installed apps. If there is an ownership mismatch, it 17102 * will try recovering system apps by wiping data; third-party app data is 17103 * left intact. 17104 */ 17105 private void prepareAppDataAfterInstall(PackageParser.Package pkg) { 17106 final PackageSetting ps; 17107 synchronized (mPackages) { 17108 ps = mSettings.mPackages.get(pkg.packageName); 17109 } 17110 17111 final UserManager um = mContext.getSystemService(UserManager.class); 17112 for (UserInfo user : um.getUsers()) { 17113 final int flags; 17114 if (um.isUserUnlocked(user.id)) { 17115 flags = Installer.FLAG_DE_STORAGE | Installer.FLAG_CE_STORAGE; 17116 } else if (um.isUserRunning(user.id)) { 17117 flags = Installer.FLAG_DE_STORAGE; 17118 } else { 17119 continue; 17120 } 17121 17122 if (ps.getInstalled(user.id)) { 17123 // Whenever an app changes, force a restorecon of its data 17124 // TODO: when user data is locked, mark that we're still dirty 17125 prepareAppData(pkg.volumeUuid, user.id, flags, pkg, true); 17126 } 17127 } 17128 } 17129 17130 /** 17131 * Prepare app data for the given app. 17132 * <p> 17133 * Verifies that directories exist and that ownership and labeling is 17134 * correct for all installed apps. If there is an ownership mismatch, this 17135 * will try recovering system apps by wiping data; third-party app data is 17136 * left intact. 17137 */ 17138 private void prepareAppData(String volumeUuid, int userId, @StorageFlags int flags, 17139 PackageParser.Package pkg, boolean restoreconNeeded) { 17140 if (DEBUG_APP_DATA) { 17141 Slog.v(TAG, "prepareAppData for " + pkg.packageName + " u" + userId + " 0x" 17142 + Integer.toHexString(flags) + (restoreconNeeded ? " restoreconNeeded" : "")); 17143 } 17144 17145 final String packageName = pkg.packageName; 17146 final ApplicationInfo app = pkg.applicationInfo; 17147 final int appId = UserHandle.getAppId(app.uid); 17148 17149 Preconditions.checkNotNull(app.seinfo); 17150 17151 synchronized (mInstallLock) { 17152 try { 17153 mInstaller.createAppData(volumeUuid, packageName, userId, flags, 17154 appId, app.seinfo, app.targetSdkVersion); 17155 } catch (InstallerException e) { 17156 if (app.isSystemApp()) { 17157 logCriticalInfo(Log.ERROR, "Failed to create app data for " + packageName 17158 + ", but trying to recover: " + e); 17159 destroyAppDataLI(volumeUuid, packageName, userId, flags); 17160 try { 17161 mInstaller.createAppData(volumeUuid, packageName, userId, flags, 17162 appId, app.seinfo, app.targetSdkVersion); 17163 logCriticalInfo(Log.DEBUG, "Recovery succeeded!"); 17164 } catch (InstallerException e2) { 17165 logCriticalInfo(Log.DEBUG, "Recovery failed!"); 17166 } 17167 } else { 17168 Slog.e(TAG, "Failed to create app data for " + packageName + ": " + e); 17169 } 17170 } 17171 17172 if (restoreconNeeded) { 17173 restoreconAppDataLI(volumeUuid, packageName, userId, flags, appId, app.seinfo); 17174 } 17175 17176 if ((flags & Installer.FLAG_CE_STORAGE) != 0) { 17177 // Create a native library symlink only if we have native libraries 17178 // and if the native libraries are 32 bit libraries. We do not provide 17179 // this symlink for 64 bit libraries. 17180 if (app.primaryCpuAbi != null && !VMRuntime.is64BitAbi(app.primaryCpuAbi)) { 17181 final String nativeLibPath = app.nativeLibraryDir; 17182 try { 17183 mInstaller.linkNativeLibraryDirectory(volumeUuid, packageName, 17184 nativeLibPath, userId); 17185 } catch (InstallerException e) { 17186 Slog.e(TAG, "Failed to link native for " + packageName + ": " + e); 17187 } 17188 } 17189 } 17190 } 17191 } 17192 17193 private void unfreezePackage(String packageName) { 17194 synchronized (mPackages) { 17195 final PackageSetting ps = mSettings.mPackages.get(packageName); 17196 if (ps != null) { 17197 ps.frozen = false; 17198 } 17199 } 17200 } 17201 17202 @Override 17203 public int movePackage(final String packageName, final String volumeUuid) { 17204 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 17205 17206 final int moveId = mNextMoveId.getAndIncrement(); 17207 mHandler.post(new Runnable() { 17208 @Override 17209 public void run() { 17210 try { 17211 movePackageInternal(packageName, volumeUuid, moveId); 17212 } catch (PackageManagerException e) { 17213 Slog.w(TAG, "Failed to move " + packageName, e); 17214 mMoveCallbacks.notifyStatusChanged(moveId, 17215 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 17216 } 17217 } 17218 }); 17219 return moveId; 17220 } 17221 17222 private void movePackageInternal(final String packageName, final String volumeUuid, 17223 final int moveId) throws PackageManagerException { 17224 final UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 17225 final StorageManager storage = mContext.getSystemService(StorageManager.class); 17226 final PackageManager pm = mContext.getPackageManager(); 17227 17228 final boolean currentAsec; 17229 final String currentVolumeUuid; 17230 final File codeFile; 17231 final String installerPackageName; 17232 final String packageAbiOverride; 17233 final int appId; 17234 final String seinfo; 17235 final String label; 17236 final int targetSdkVersion; 17237 17238 // reader 17239 synchronized (mPackages) { 17240 final PackageParser.Package pkg = mPackages.get(packageName); 17241 final PackageSetting ps = mSettings.mPackages.get(packageName); 17242 if (pkg == null || ps == null) { 17243 throw new PackageManagerException(MOVE_FAILED_DOESNT_EXIST, "Missing package"); 17244 } 17245 17246 if (pkg.applicationInfo.isSystemApp()) { 17247 throw new PackageManagerException(MOVE_FAILED_SYSTEM_PACKAGE, 17248 "Cannot move system application"); 17249 } 17250 17251 if (pkg.applicationInfo.isExternalAsec()) { 17252 currentAsec = true; 17253 currentVolumeUuid = StorageManager.UUID_PRIMARY_PHYSICAL; 17254 } else if (pkg.applicationInfo.isForwardLocked()) { 17255 currentAsec = true; 17256 currentVolumeUuid = "forward_locked"; 17257 } else { 17258 currentAsec = false; 17259 currentVolumeUuid = ps.volumeUuid; 17260 17261 final File probe = new File(pkg.codePath); 17262 final File probeOat = new File(probe, "oat"); 17263 if (!probe.isDirectory() || !probeOat.isDirectory()) { 17264 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 17265 "Move only supported for modern cluster style installs"); 17266 } 17267 } 17268 17269 if (Objects.equals(currentVolumeUuid, volumeUuid)) { 17270 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 17271 "Package already moved to " + volumeUuid); 17272 } 17273 17274 if (ps.frozen) { 17275 throw new PackageManagerException(MOVE_FAILED_OPERATION_PENDING, 17276 "Failed to move already frozen package"); 17277 } 17278 ps.frozen = true; 17279 17280 codeFile = new File(pkg.codePath); 17281 installerPackageName = ps.installerPackageName; 17282 packageAbiOverride = ps.cpuAbiOverrideString; 17283 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 17284 seinfo = pkg.applicationInfo.seinfo; 17285 label = String.valueOf(pm.getApplicationLabel(pkg.applicationInfo)); 17286 targetSdkVersion = pkg.applicationInfo.targetSdkVersion; 17287 } 17288 17289 // Now that we're guarded by frozen state, kill app during move 17290 final long token = Binder.clearCallingIdentity(); 17291 try { 17292 killApplication(packageName, appId, "move pkg"); 17293 } finally { 17294 Binder.restoreCallingIdentity(token); 17295 } 17296 17297 final Bundle extras = new Bundle(); 17298 extras.putString(Intent.EXTRA_PACKAGE_NAME, packageName); 17299 extras.putString(Intent.EXTRA_TITLE, label); 17300 mMoveCallbacks.notifyCreated(moveId, extras); 17301 17302 int installFlags; 17303 final boolean moveCompleteApp; 17304 final File measurePath; 17305 17306 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, volumeUuid)) { 17307 installFlags = INSTALL_INTERNAL; 17308 moveCompleteApp = !currentAsec; 17309 measurePath = Environment.getDataAppDirectory(volumeUuid); 17310 } else if (Objects.equals(StorageManager.UUID_PRIMARY_PHYSICAL, volumeUuid)) { 17311 installFlags = INSTALL_EXTERNAL; 17312 moveCompleteApp = false; 17313 measurePath = storage.getPrimaryPhysicalVolume().getPath(); 17314 } else { 17315 final VolumeInfo volume = storage.findVolumeByUuid(volumeUuid); 17316 if (volume == null || volume.getType() != VolumeInfo.TYPE_PRIVATE 17317 || !volume.isMountedWritable()) { 17318 unfreezePackage(packageName); 17319 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 17320 "Move location not mounted private volume"); 17321 } 17322 17323 Preconditions.checkState(!currentAsec); 17324 17325 installFlags = INSTALL_INTERNAL; 17326 moveCompleteApp = true; 17327 measurePath = Environment.getDataAppDirectory(volumeUuid); 17328 } 17329 17330 final PackageStats stats = new PackageStats(null, -1); 17331 synchronized (mInstaller) { 17332 if (!getPackageSizeInfoLI(packageName, -1, stats)) { 17333 unfreezePackage(packageName); 17334 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 17335 "Failed to measure package size"); 17336 } 17337 } 17338 17339 if (DEBUG_INSTALL) Slog.d(TAG, "Measured code size " + stats.codeSize + ", data size " 17340 + stats.dataSize); 17341 17342 final long startFreeBytes = measurePath.getFreeSpace(); 17343 final long sizeBytes; 17344 if (moveCompleteApp) { 17345 sizeBytes = stats.codeSize + stats.dataSize; 17346 } else { 17347 sizeBytes = stats.codeSize; 17348 } 17349 17350 if (sizeBytes > storage.getStorageBytesUntilLow(measurePath)) { 17351 unfreezePackage(packageName); 17352 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 17353 "Not enough free space to move"); 17354 } 17355 17356 mMoveCallbacks.notifyStatusChanged(moveId, 10); 17357 17358 final CountDownLatch installedLatch = new CountDownLatch(1); 17359 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 17360 @Override 17361 public void onUserActionRequired(Intent intent) throws RemoteException { 17362 throw new IllegalStateException(); 17363 } 17364 17365 @Override 17366 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 17367 Bundle extras) throws RemoteException { 17368 if (DEBUG_INSTALL) Slog.d(TAG, "Install result for move: " 17369 + PackageManager.installStatusToString(returnCode, msg)); 17370 17371 installedLatch.countDown(); 17372 17373 // Regardless of success or failure of the move operation, 17374 // always unfreeze the package 17375 unfreezePackage(packageName); 17376 17377 final int status = PackageManager.installStatusToPublicStatus(returnCode); 17378 switch (status) { 17379 case PackageInstaller.STATUS_SUCCESS: 17380 mMoveCallbacks.notifyStatusChanged(moveId, 17381 PackageManager.MOVE_SUCCEEDED); 17382 break; 17383 case PackageInstaller.STATUS_FAILURE_STORAGE: 17384 mMoveCallbacks.notifyStatusChanged(moveId, 17385 PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 17386 break; 17387 default: 17388 mMoveCallbacks.notifyStatusChanged(moveId, 17389 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 17390 break; 17391 } 17392 } 17393 }; 17394 17395 final MoveInfo move; 17396 if (moveCompleteApp) { 17397 // Kick off a thread to report progress estimates 17398 new Thread() { 17399 @Override 17400 public void run() { 17401 while (true) { 17402 try { 17403 if (installedLatch.await(1, TimeUnit.SECONDS)) { 17404 break; 17405 } 17406 } catch (InterruptedException ignored) { 17407 } 17408 17409 final long deltaFreeBytes = startFreeBytes - measurePath.getFreeSpace(); 17410 final int progress = 10 + (int) MathUtils.constrain( 17411 ((deltaFreeBytes * 80) / sizeBytes), 0, 80); 17412 mMoveCallbacks.notifyStatusChanged(moveId, progress); 17413 } 17414 } 17415 }.start(); 17416 17417 final String dataAppName = codeFile.getName(); 17418 move = new MoveInfo(moveId, currentVolumeUuid, volumeUuid, packageName, 17419 dataAppName, appId, seinfo, targetSdkVersion); 17420 } else { 17421 move = null; 17422 } 17423 17424 installFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 17425 17426 final Message msg = mHandler.obtainMessage(INIT_COPY); 17427 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 17428 final InstallParams params = new InstallParams(origin, move, installObserver, installFlags, 17429 installerPackageName, volumeUuid, null, user, packageAbiOverride, null); 17430 params.setTraceMethod("movePackage").setTraceCookie(System.identityHashCode(params)); 17431 msg.obj = params; 17432 17433 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "movePackage", 17434 System.identityHashCode(msg.obj)); 17435 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 17436 System.identityHashCode(msg.obj)); 17437 17438 mHandler.sendMessage(msg); 17439 } 17440 17441 @Override 17442 public int movePrimaryStorage(String volumeUuid) throws RemoteException { 17443 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 17444 17445 final int realMoveId = mNextMoveId.getAndIncrement(); 17446 final Bundle extras = new Bundle(); 17447 extras.putString(VolumeRecord.EXTRA_FS_UUID, volumeUuid); 17448 mMoveCallbacks.notifyCreated(realMoveId, extras); 17449 17450 final IPackageMoveObserver callback = new IPackageMoveObserver.Stub() { 17451 @Override 17452 public void onCreated(int moveId, Bundle extras) { 17453 // Ignored 17454 } 17455 17456 @Override 17457 public void onStatusChanged(int moveId, int status, long estMillis) { 17458 mMoveCallbacks.notifyStatusChanged(realMoveId, status, estMillis); 17459 } 17460 }; 17461 17462 final StorageManager storage = mContext.getSystemService(StorageManager.class); 17463 storage.setPrimaryStorageUuid(volumeUuid, callback); 17464 return realMoveId; 17465 } 17466 17467 @Override 17468 public int getMoveStatus(int moveId) { 17469 mContext.enforceCallingOrSelfPermission( 17470 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 17471 return mMoveCallbacks.mLastStatus.get(moveId); 17472 } 17473 17474 @Override 17475 public void registerMoveCallback(IPackageMoveObserver callback) { 17476 mContext.enforceCallingOrSelfPermission( 17477 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 17478 mMoveCallbacks.register(callback); 17479 } 17480 17481 @Override 17482 public void unregisterMoveCallback(IPackageMoveObserver callback) { 17483 mContext.enforceCallingOrSelfPermission( 17484 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 17485 mMoveCallbacks.unregister(callback); 17486 } 17487 17488 @Override 17489 public boolean setInstallLocation(int loc) { 17490 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 17491 null); 17492 if (getInstallLocation() == loc) { 17493 return true; 17494 } 17495 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 17496 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 17497 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 17498 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 17499 return true; 17500 } 17501 return false; 17502 } 17503 17504 @Override 17505 public int getInstallLocation() { 17506 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 17507 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 17508 PackageHelper.APP_INSTALL_AUTO); 17509 } 17510 17511 /** Called by UserManagerService */ 17512 void cleanUpUser(UserManagerService userManager, int userHandle) { 17513 synchronized (mPackages) { 17514 mDirtyUsers.remove(userHandle); 17515 mUserNeedsBadging.delete(userHandle); 17516 mSettings.removeUserLPw(userHandle); 17517 mPendingBroadcasts.remove(userHandle); 17518 mEphemeralApplicationRegistry.onUserRemovedLPw(userHandle); 17519 } 17520 synchronized (mInstallLock) { 17521 final StorageManager storage = mContext.getSystemService(StorageManager.class); 17522 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 17523 final String volumeUuid = vol.getFsUuid(); 17524 if (DEBUG_INSTALL) Slog.d(TAG, "Removing user data on volume " + volumeUuid); 17525 try { 17526 mInstaller.removeUserDataDirs(volumeUuid, userHandle); 17527 } catch (InstallerException e) { 17528 Slog.w(TAG, "Failed to remove user data", e); 17529 } 17530 } 17531 synchronized (mPackages) { 17532 removeUnusedPackagesLILPw(userManager, userHandle); 17533 } 17534 } 17535 } 17536 17537 /** 17538 * We're removing userHandle and would like to remove any downloaded packages 17539 * that are no longer in use by any other user. 17540 * @param userHandle the user being removed 17541 */ 17542 private void removeUnusedPackagesLILPw(UserManagerService userManager, final int userHandle) { 17543 final boolean DEBUG_CLEAN_APKS = false; 17544 int [] users = userManager.getUserIds(); 17545 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 17546 while (psit.hasNext()) { 17547 PackageSetting ps = psit.next(); 17548 if (ps.pkg == null) { 17549 continue; 17550 } 17551 final String packageName = ps.pkg.packageName; 17552 // Skip over if system app 17553 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 17554 continue; 17555 } 17556 if (DEBUG_CLEAN_APKS) { 17557 Slog.i(TAG, "Checking package " + packageName); 17558 } 17559 boolean keep = shouldKeepUninstalledPackageLPr(packageName); 17560 if (keep) { 17561 if (DEBUG_CLEAN_APKS) { 17562 Slog.i(TAG, " Keeping package " + packageName + " - requested by DO"); 17563 } 17564 } else { 17565 for (int i = 0; i < users.length; i++) { 17566 if (users[i] != userHandle && ps.getInstalled(users[i])) { 17567 keep = true; 17568 if (DEBUG_CLEAN_APKS) { 17569 Slog.i(TAG, " Keeping package " + packageName + " for user " 17570 + users[i]); 17571 } 17572 break; 17573 } 17574 } 17575 } 17576 if (!keep) { 17577 if (DEBUG_CLEAN_APKS) { 17578 Slog.i(TAG, " Removing package " + packageName); 17579 } 17580 mHandler.post(new Runnable() { 17581 public void run() { 17582 deletePackageX(packageName, userHandle, 0); 17583 } //end run 17584 }); 17585 } 17586 } 17587 } 17588 17589 /** Called by UserManagerService */ 17590 void createNewUser(int userHandle) { 17591 synchronized (mInstallLock) { 17592 try { 17593 mInstaller.createUserConfig(userHandle); 17594 } catch (InstallerException e) { 17595 Slog.w(TAG, "Failed to create user config", e); 17596 } 17597 mSettings.createNewUserLI(this, mInstaller, userHandle); 17598 } 17599 synchronized (mPackages) { 17600 applyFactoryDefaultBrowserLPw(userHandle); 17601 primeDomainVerificationsLPw(userHandle); 17602 } 17603 } 17604 17605 void newUserCreated(final int userHandle) { 17606 mDefaultPermissionPolicy.grantDefaultPermissions(userHandle); 17607 // If permission review for legacy apps is required, we represent 17608 // dagerous permissions for such apps as always granted runtime 17609 // permissions to keep per user flag state whether review is needed. 17610 // Hence, if a new user is added we have to propagate dangerous 17611 // permission grants for these legacy apps. 17612 if (Build.PERMISSIONS_REVIEW_REQUIRED) { 17613 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 17614 | UPDATE_PERMISSIONS_REPLACE_ALL); 17615 } 17616 } 17617 17618 @Override 17619 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 17620 mContext.enforceCallingOrSelfPermission( 17621 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 17622 "Only package verification agents can read the verifier device identity"); 17623 17624 synchronized (mPackages) { 17625 return mSettings.getVerifierDeviceIdentityLPw(); 17626 } 17627 } 17628 17629 @Override 17630 public void setPermissionEnforced(String permission, boolean enforced) { 17631 // TODO: Now that we no longer change GID for storage, this should to away. 17632 mContext.enforceCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 17633 "setPermissionEnforced"); 17634 if (READ_EXTERNAL_STORAGE.equals(permission)) { 17635 synchronized (mPackages) { 17636 if (mSettings.mReadExternalStorageEnforced == null 17637 || mSettings.mReadExternalStorageEnforced != enforced) { 17638 mSettings.mReadExternalStorageEnforced = enforced; 17639 mSettings.writeLPr(); 17640 } 17641 } 17642 // kill any non-foreground processes so we restart them and 17643 // grant/revoke the GID. 17644 final IActivityManager am = ActivityManagerNative.getDefault(); 17645 if (am != null) { 17646 final long token = Binder.clearCallingIdentity(); 17647 try { 17648 am.killProcessesBelowForeground("setPermissionEnforcement"); 17649 } catch (RemoteException e) { 17650 } finally { 17651 Binder.restoreCallingIdentity(token); 17652 } 17653 } 17654 } else { 17655 throw new IllegalArgumentException("No selective enforcement for " + permission); 17656 } 17657 } 17658 17659 @Override 17660 @Deprecated 17661 public boolean isPermissionEnforced(String permission) { 17662 return true; 17663 } 17664 17665 @Override 17666 public boolean isStorageLow() { 17667 final long token = Binder.clearCallingIdentity(); 17668 try { 17669 final DeviceStorageMonitorInternal 17670 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 17671 if (dsm != null) { 17672 return dsm.isMemoryLow(); 17673 } else { 17674 return false; 17675 } 17676 } finally { 17677 Binder.restoreCallingIdentity(token); 17678 } 17679 } 17680 17681 @Override 17682 public IPackageInstaller getPackageInstaller() { 17683 return mInstallerService; 17684 } 17685 17686 private boolean userNeedsBadging(int userId) { 17687 int index = mUserNeedsBadging.indexOfKey(userId); 17688 if (index < 0) { 17689 final UserInfo userInfo; 17690 final long token = Binder.clearCallingIdentity(); 17691 try { 17692 userInfo = sUserManager.getUserInfo(userId); 17693 } finally { 17694 Binder.restoreCallingIdentity(token); 17695 } 17696 final boolean b; 17697 if (userInfo != null && userInfo.isManagedProfile()) { 17698 b = true; 17699 } else { 17700 b = false; 17701 } 17702 mUserNeedsBadging.put(userId, b); 17703 return b; 17704 } 17705 return mUserNeedsBadging.valueAt(index); 17706 } 17707 17708 @Override 17709 public KeySet getKeySetByAlias(String packageName, String alias) { 17710 if (packageName == null || alias == null) { 17711 return null; 17712 } 17713 synchronized(mPackages) { 17714 final PackageParser.Package pkg = mPackages.get(packageName); 17715 if (pkg == null) { 17716 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 17717 throw new IllegalArgumentException("Unknown package: " + packageName); 17718 } 17719 KeySetManagerService ksms = mSettings.mKeySetManagerService; 17720 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 17721 } 17722 } 17723 17724 @Override 17725 public KeySet getSigningKeySet(String packageName) { 17726 if (packageName == null) { 17727 return null; 17728 } 17729 synchronized(mPackages) { 17730 final PackageParser.Package pkg = mPackages.get(packageName); 17731 if (pkg == null) { 17732 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 17733 throw new IllegalArgumentException("Unknown package: " + packageName); 17734 } 17735 if (pkg.applicationInfo.uid != Binder.getCallingUid() 17736 && Process.SYSTEM_UID != Binder.getCallingUid()) { 17737 throw new SecurityException("May not access signing KeySet of other apps."); 17738 } 17739 KeySetManagerService ksms = mSettings.mKeySetManagerService; 17740 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 17741 } 17742 } 17743 17744 @Override 17745 public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { 17746 if (packageName == null || ks == null) { 17747 return false; 17748 } 17749 synchronized(mPackages) { 17750 final PackageParser.Package pkg = mPackages.get(packageName); 17751 if (pkg == null) { 17752 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 17753 throw new IllegalArgumentException("Unknown package: " + packageName); 17754 } 17755 IBinder ksh = ks.getToken(); 17756 if (ksh instanceof KeySetHandle) { 17757 KeySetManagerService ksms = mSettings.mKeySetManagerService; 17758 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 17759 } 17760 return false; 17761 } 17762 } 17763 17764 @Override 17765 public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { 17766 if (packageName == null || ks == null) { 17767 return false; 17768 } 17769 synchronized(mPackages) { 17770 final PackageParser.Package pkg = mPackages.get(packageName); 17771 if (pkg == null) { 17772 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 17773 throw new IllegalArgumentException("Unknown package: " + packageName); 17774 } 17775 IBinder ksh = ks.getToken(); 17776 if (ksh instanceof KeySetHandle) { 17777 KeySetManagerService ksms = mSettings.mKeySetManagerService; 17778 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 17779 } 17780 return false; 17781 } 17782 } 17783 17784 private void deletePackageIfUnusedLPr(final String packageName) { 17785 PackageSetting ps = mSettings.mPackages.get(packageName); 17786 if (ps == null) { 17787 return; 17788 } 17789 if (!ps.isAnyInstalled(sUserManager.getUserIds())) { 17790 // TODO Implement atomic delete if package is unused 17791 // It is currently possible that the package will be deleted even if it is installed 17792 // after this method returns. 17793 mHandler.post(new Runnable() { 17794 public void run() { 17795 deletePackageX(packageName, 0, PackageManager.DELETE_ALL_USERS); 17796 } 17797 }); 17798 } 17799 } 17800 17801 /** 17802 * Check and throw if the given before/after packages would be considered a 17803 * downgrade. 17804 */ 17805 private static void checkDowngrade(PackageParser.Package before, PackageInfoLite after) 17806 throws PackageManagerException { 17807 if (after.versionCode < before.mVersionCode) { 17808 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 17809 "Update version code " + after.versionCode + " is older than current " 17810 + before.mVersionCode); 17811 } else if (after.versionCode == before.mVersionCode) { 17812 if (after.baseRevisionCode < before.baseRevisionCode) { 17813 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 17814 "Update base revision code " + after.baseRevisionCode 17815 + " is older than current " + before.baseRevisionCode); 17816 } 17817 17818 if (!ArrayUtils.isEmpty(after.splitNames)) { 17819 for (int i = 0; i < after.splitNames.length; i++) { 17820 final String splitName = after.splitNames[i]; 17821 final int j = ArrayUtils.indexOf(before.splitNames, splitName); 17822 if (j != -1) { 17823 if (after.splitRevisionCodes[i] < before.splitRevisionCodes[j]) { 17824 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 17825 "Update split " + splitName + " revision code " 17826 + after.splitRevisionCodes[i] + " is older than current " 17827 + before.splitRevisionCodes[j]); 17828 } 17829 } 17830 } 17831 } 17832 } 17833 } 17834 17835 private static class MoveCallbacks extends Handler { 17836 private static final int MSG_CREATED = 1; 17837 private static final int MSG_STATUS_CHANGED = 2; 17838 17839 private final RemoteCallbackList<IPackageMoveObserver> 17840 mCallbacks = new RemoteCallbackList<>(); 17841 17842 private final SparseIntArray mLastStatus = new SparseIntArray(); 17843 17844 public MoveCallbacks(Looper looper) { 17845 super(looper); 17846 } 17847 17848 public void register(IPackageMoveObserver callback) { 17849 mCallbacks.register(callback); 17850 } 17851 17852 public void unregister(IPackageMoveObserver callback) { 17853 mCallbacks.unregister(callback); 17854 } 17855 17856 @Override 17857 public void handleMessage(Message msg) { 17858 final SomeArgs args = (SomeArgs) msg.obj; 17859 final int n = mCallbacks.beginBroadcast(); 17860 for (int i = 0; i < n; i++) { 17861 final IPackageMoveObserver callback = mCallbacks.getBroadcastItem(i); 17862 try { 17863 invokeCallback(callback, msg.what, args); 17864 } catch (RemoteException ignored) { 17865 } 17866 } 17867 mCallbacks.finishBroadcast(); 17868 args.recycle(); 17869 } 17870 17871 private void invokeCallback(IPackageMoveObserver callback, int what, SomeArgs args) 17872 throws RemoteException { 17873 switch (what) { 17874 case MSG_CREATED: { 17875 callback.onCreated(args.argi1, (Bundle) args.arg2); 17876 break; 17877 } 17878 case MSG_STATUS_CHANGED: { 17879 callback.onStatusChanged(args.argi1, args.argi2, (long) args.arg3); 17880 break; 17881 } 17882 } 17883 } 17884 17885 private void notifyCreated(int moveId, Bundle extras) { 17886 Slog.v(TAG, "Move " + moveId + " created " + extras.toString()); 17887 17888 final SomeArgs args = SomeArgs.obtain(); 17889 args.argi1 = moveId; 17890 args.arg2 = extras; 17891 obtainMessage(MSG_CREATED, args).sendToTarget(); 17892 } 17893 17894 private void notifyStatusChanged(int moveId, int status) { 17895 notifyStatusChanged(moveId, status, -1); 17896 } 17897 17898 private void notifyStatusChanged(int moveId, int status, long estMillis) { 17899 Slog.v(TAG, "Move " + moveId + " status " + status); 17900 17901 final SomeArgs args = SomeArgs.obtain(); 17902 args.argi1 = moveId; 17903 args.argi2 = status; 17904 args.arg3 = estMillis; 17905 obtainMessage(MSG_STATUS_CHANGED, args).sendToTarget(); 17906 17907 synchronized (mLastStatus) { 17908 mLastStatus.put(moveId, status); 17909 } 17910 } 17911 } 17912 17913 private final static class OnPermissionChangeListeners extends Handler { 17914 private static final int MSG_ON_PERMISSIONS_CHANGED = 1; 17915 17916 private final RemoteCallbackList<IOnPermissionsChangeListener> mPermissionListeners = 17917 new RemoteCallbackList<>(); 17918 17919 public OnPermissionChangeListeners(Looper looper) { 17920 super(looper); 17921 } 17922 17923 @Override 17924 public void handleMessage(Message msg) { 17925 switch (msg.what) { 17926 case MSG_ON_PERMISSIONS_CHANGED: { 17927 final int uid = msg.arg1; 17928 handleOnPermissionsChanged(uid); 17929 } break; 17930 } 17931 } 17932 17933 public void addListenerLocked(IOnPermissionsChangeListener listener) { 17934 mPermissionListeners.register(listener); 17935 17936 } 17937 17938 public void removeListenerLocked(IOnPermissionsChangeListener listener) { 17939 mPermissionListeners.unregister(listener); 17940 } 17941 17942 public void onPermissionsChanged(int uid) { 17943 if (mPermissionListeners.getRegisteredCallbackCount() > 0) { 17944 obtainMessage(MSG_ON_PERMISSIONS_CHANGED, uid, 0).sendToTarget(); 17945 } 17946 } 17947 17948 private void handleOnPermissionsChanged(int uid) { 17949 final int count = mPermissionListeners.beginBroadcast(); 17950 try { 17951 for (int i = 0; i < count; i++) { 17952 IOnPermissionsChangeListener callback = mPermissionListeners 17953 .getBroadcastItem(i); 17954 try { 17955 callback.onPermissionsChanged(uid); 17956 } catch (RemoteException e) { 17957 Log.e(TAG, "Permission listener is dead", e); 17958 } 17959 } 17960 } finally { 17961 mPermissionListeners.finishBroadcast(); 17962 } 17963 } 17964 } 17965 17966 private class PackageManagerInternalImpl extends PackageManagerInternal { 17967 @Override 17968 public void setLocationPackagesProvider(PackagesProvider provider) { 17969 synchronized (mPackages) { 17970 mDefaultPermissionPolicy.setLocationPackagesProviderLPw(provider); 17971 } 17972 } 17973 17974 @Override 17975 public void setImePackagesProvider(PackagesProvider provider) { 17976 synchronized (mPackages) { 17977 mDefaultPermissionPolicy.setImePackagesProviderLPr(provider); 17978 } 17979 } 17980 17981 @Override 17982 public void setVoiceInteractionPackagesProvider(PackagesProvider provider) { 17983 synchronized (mPackages) { 17984 mDefaultPermissionPolicy.setVoiceInteractionPackagesProviderLPw(provider); 17985 } 17986 } 17987 17988 @Override 17989 public void setSmsAppPackagesProvider(PackagesProvider provider) { 17990 synchronized (mPackages) { 17991 mDefaultPermissionPolicy.setSmsAppPackagesProviderLPw(provider); 17992 } 17993 } 17994 17995 @Override 17996 public void setDialerAppPackagesProvider(PackagesProvider provider) { 17997 synchronized (mPackages) { 17998 mDefaultPermissionPolicy.setDialerAppPackagesProviderLPw(provider); 17999 } 18000 } 18001 18002 @Override 18003 public void setSimCallManagerPackagesProvider(PackagesProvider provider) { 18004 synchronized (mPackages) { 18005 mDefaultPermissionPolicy.setSimCallManagerPackagesProviderLPw(provider); 18006 } 18007 } 18008 18009 @Override 18010 public void setSyncAdapterPackagesprovider(SyncAdapterPackagesProvider provider) { 18011 synchronized (mPackages) { 18012 mDefaultPermissionPolicy.setSyncAdapterPackagesProviderLPw(provider); 18013 } 18014 } 18015 18016 @Override 18017 public void grantDefaultPermissionsToDefaultSmsApp(String packageName, int userId) { 18018 synchronized (mPackages) { 18019 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSmsAppLPr( 18020 packageName, userId); 18021 } 18022 } 18023 18024 @Override 18025 public void grantDefaultPermissionsToDefaultDialerApp(String packageName, int userId) { 18026 synchronized (mPackages) { 18027 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultDialerAppLPr( 18028 packageName, userId); 18029 } 18030 } 18031 18032 @Override 18033 public void grantDefaultPermissionsToDefaultSimCallManager(String packageName, int userId) { 18034 synchronized (mPackages) { 18035 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSimCallManagerLPr( 18036 packageName, userId); 18037 } 18038 } 18039 18040 @Override 18041 public void setKeepUninstalledPackages(final List<String> packageList) { 18042 Preconditions.checkNotNull(packageList); 18043 List<String> removedFromList = null; 18044 synchronized (mPackages) { 18045 if (mKeepUninstalledPackages != null) { 18046 final int packagesCount = mKeepUninstalledPackages.size(); 18047 for (int i = 0; i < packagesCount; i++) { 18048 String oldPackage = mKeepUninstalledPackages.get(i); 18049 if (packageList != null && packageList.contains(oldPackage)) { 18050 continue; 18051 } 18052 if (removedFromList == null) { 18053 removedFromList = new ArrayList<>(); 18054 } 18055 removedFromList.add(oldPackage); 18056 } 18057 } 18058 mKeepUninstalledPackages = new ArrayList<>(packageList); 18059 if (removedFromList != null) { 18060 final int removedCount = removedFromList.size(); 18061 for (int i = 0; i < removedCount; i++) { 18062 deletePackageIfUnusedLPr(removedFromList.get(i)); 18063 } 18064 } 18065 } 18066 } 18067 18068 @Override 18069 public boolean isPermissionsReviewRequired(String packageName, int userId) { 18070 synchronized (mPackages) { 18071 // If we do not support permission review, done. 18072 if (!Build.PERMISSIONS_REVIEW_REQUIRED) { 18073 return false; 18074 } 18075 18076 PackageSetting packageSetting = mSettings.mPackages.get(packageName); 18077 if (packageSetting == null) { 18078 return false; 18079 } 18080 18081 // Permission review applies only to apps not supporting the new permission model. 18082 if (packageSetting.pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.M) { 18083 return false; 18084 } 18085 18086 // Legacy apps have the permission and get user consent on launch. 18087 PermissionsState permissionsState = packageSetting.getPermissionsState(); 18088 return permissionsState.isPermissionReviewRequired(userId); 18089 } 18090 } 18091 } 18092 18093 @Override 18094 public void grantDefaultPermissionsToEnabledCarrierApps(String[] packageNames, int userId) { 18095 enforceSystemOrPhoneCaller("grantPermissionsToEnabledCarrierApps"); 18096 synchronized (mPackages) { 18097 final long identity = Binder.clearCallingIdentity(); 18098 try { 18099 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledCarrierAppsLPr( 18100 packageNames, userId); 18101 } finally { 18102 Binder.restoreCallingIdentity(identity); 18103 } 18104 } 18105 } 18106 18107 private static void enforceSystemOrPhoneCaller(String tag) { 18108 int callingUid = Binder.getCallingUid(); 18109 if (callingUid != Process.PHONE_UID && callingUid != Process.SYSTEM_UID) { 18110 throw new SecurityException( 18111 "Cannot call " + tag + " from UID " + callingUid); 18112 } 18113 } 18114 18115 boolean isHistoricalPackageUsageAvailable() { 18116 return mPackageUsage.isHistoricalPackageUsageAvailable(); 18117 } 18118} 18119