PackageManagerService.java revision 893e097157c68d94dbcb22e21cbc8d3b39965670
1/* 2 * Copyright (C) 2006 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package com.android.server.pm; 18 19import static android.Manifest.permission.READ_EXTERNAL_STORAGE; 20import static android.Manifest.permission.WRITE_EXTERNAL_STORAGE; 21import static android.Manifest.permission.WRITE_MEDIA_STORAGE; 22import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DEFAULT; 23import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED; 24import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED; 25import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_USER; 26import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_ENABLED; 27import static android.content.pm.PackageManager.DELETE_KEEP_DATA; 28import static android.content.pm.PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 29import static android.content.pm.PackageManager.FLAG_PERMISSION_POLICY_FIXED; 30import static android.content.pm.PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 31import static android.content.pm.PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE; 32import static android.content.pm.PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 33import static android.content.pm.PackageManager.FLAG_PERMISSION_USER_FIXED; 34import static android.content.pm.PackageManager.FLAG_PERMISSION_USER_SET; 35import static android.content.pm.PackageManager.INSTALL_EXTERNAL; 36import static android.content.pm.PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 37import static android.content.pm.PackageManager.INSTALL_FAILED_CONFLICTING_PROVIDER; 38import static android.content.pm.PackageManager.INSTALL_FAILED_DEXOPT; 39import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 40import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION; 41import static android.content.pm.PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID; 42import static android.content.pm.PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 43import static android.content.pm.PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 44import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_APK; 45import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 46import static android.content.pm.PackageManager.INSTALL_FAILED_MISSING_SHARED_LIBRARY; 47import static android.content.pm.PackageManager.INSTALL_FAILED_PACKAGE_CHANGED; 48import static android.content.pm.PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 49import static android.content.pm.PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 50import static android.content.pm.PackageManager.INSTALL_FAILED_TEST_ONLY; 51import static android.content.pm.PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 52import static android.content.pm.PackageManager.INSTALL_FAILED_USER_RESTRICTED; 53import static android.content.pm.PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 54import static android.content.pm.PackageManager.INSTALL_FORWARD_LOCK; 55import static android.content.pm.PackageManager.INSTALL_INTERNAL; 56import static android.content.pm.PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 57import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 58import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK; 59import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 60import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER; 61import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 62import static android.content.pm.PackageManager.MATCH_ALL; 63import static android.content.pm.PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 64import static android.content.pm.PackageManager.MATCH_DIRECT_BOOT_AWARE; 65import static android.content.pm.PackageManager.MATCH_DIRECT_BOOT_UNAWARE; 66import static android.content.pm.PackageManager.MATCH_DISABLED_COMPONENTS; 67import static android.content.pm.PackageManager.MATCH_FACTORY_ONLY; 68import static android.content.pm.PackageManager.MATCH_SYSTEM_ONLY; 69import static android.content.pm.PackageManager.MATCH_UNINSTALLED_PACKAGES; 70import static android.content.pm.PackageManager.MOVE_FAILED_DEVICE_ADMIN; 71import static android.content.pm.PackageManager.MOVE_FAILED_DOESNT_EXIST; 72import static android.content.pm.PackageManager.MOVE_FAILED_INTERNAL_ERROR; 73import static android.content.pm.PackageManager.MOVE_FAILED_OPERATION_PENDING; 74import static android.content.pm.PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; 75import static android.content.pm.PackageManager.PERMISSION_DENIED; 76import static android.content.pm.PackageManager.PERMISSION_GRANTED; 77import static android.content.pm.PackageParser.PARSE_IS_PRIVILEGED; 78import static android.content.pm.PackageParser.isApkFile; 79import static android.os.Process.PACKAGE_INFO_GID; 80import static android.os.Process.SYSTEM_UID; 81import static android.os.Trace.TRACE_TAG_PACKAGE_MANAGER; 82import static android.system.OsConstants.O_CREAT; 83import static android.system.OsConstants.O_RDWR; 84 85import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_MANAGED_PROFILE; 86import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_PARENT; 87import static com.android.internal.content.NativeLibraryHelper.LIB64_DIR_NAME; 88import static com.android.internal.content.NativeLibraryHelper.LIB_DIR_NAME; 89import static com.android.internal.util.ArrayUtils.appendInt; 90import static com.android.server.pm.Installer.DEXOPT_PUBLIC; 91import static com.android.server.pm.InstructionSets.getAppDexInstructionSets; 92import static com.android.server.pm.InstructionSets.getDexCodeInstructionSet; 93import static com.android.server.pm.InstructionSets.getDexCodeInstructionSets; 94import static com.android.server.pm.InstructionSets.getPreferredInstructionSet; 95import static com.android.server.pm.InstructionSets.getPrimaryInstructionSet; 96import static com.android.server.pm.PackageManagerServiceCompilerMapping.getCompilerFilterForReason; 97import static com.android.server.pm.PackageManagerServiceCompilerMapping.getFullCompilerFilter; 98import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_FAILURE; 99import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS; 100import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED; 101 102import android.Manifest; 103import android.annotation.NonNull; 104import android.annotation.Nullable; 105import android.app.ActivityManager; 106import android.app.ActivityManagerNative; 107import android.app.IActivityManager; 108import android.app.admin.DevicePolicyManagerInternal; 109import android.app.admin.IDevicePolicyManager; 110import android.app.admin.SecurityLog; 111import android.app.backup.IBackupManager; 112import android.content.BroadcastReceiver; 113import android.content.ComponentName; 114import android.content.Context; 115import android.content.IIntentReceiver; 116import android.content.Intent; 117import android.content.IntentFilter; 118import android.content.IntentSender; 119import android.content.IntentSender.SendIntentException; 120import android.content.ServiceConnection; 121import android.content.pm.ActivityInfo; 122import android.content.pm.ApplicationInfo; 123import android.content.pm.AppsQueryHelper; 124import android.content.pm.ComponentInfo; 125import android.content.pm.EphemeralApplicationInfo; 126import android.content.pm.EphemeralResolveInfo; 127import android.content.pm.EphemeralResolveInfo.EphemeralResolveIntentInfo; 128import android.content.pm.FeatureInfo; 129import android.content.pm.IOnPermissionsChangeListener; 130import android.content.pm.IPackageDataObserver; 131import android.content.pm.IPackageDeleteObserver; 132import android.content.pm.IPackageDeleteObserver2; 133import android.content.pm.IPackageInstallObserver2; 134import android.content.pm.IPackageInstaller; 135import android.content.pm.IPackageManager; 136import android.content.pm.IPackageMoveObserver; 137import android.content.pm.IPackageStatsObserver; 138import android.content.pm.InstrumentationInfo; 139import android.content.pm.IntentFilterVerificationInfo; 140import android.content.pm.KeySet; 141import android.content.pm.PackageCleanItem; 142import android.content.pm.PackageInfo; 143import android.content.pm.PackageInfoLite; 144import android.content.pm.PackageInstaller; 145import android.content.pm.PackageManager; 146import android.content.pm.PackageManager.LegacyPackageDeleteObserver; 147import android.content.pm.PackageManagerInternal; 148import android.content.pm.PackageParser; 149import android.content.pm.PackageParser.ActivityIntentInfo; 150import android.content.pm.PackageParser.PackageLite; 151import android.content.pm.PackageParser.PackageParserException; 152import android.content.pm.PackageStats; 153import android.content.pm.PackageUserState; 154import android.content.pm.ParceledListSlice; 155import android.content.pm.PermissionGroupInfo; 156import android.content.pm.PermissionInfo; 157import android.content.pm.ProviderInfo; 158import android.content.pm.ResolveInfo; 159import android.content.pm.ServiceInfo; 160import android.content.pm.Signature; 161import android.content.pm.UserInfo; 162import android.content.pm.VerifierDeviceIdentity; 163import android.content.pm.VerifierInfo; 164import android.content.res.Resources; 165import android.graphics.Bitmap; 166import android.hardware.display.DisplayManager; 167import android.net.Uri; 168import android.os.Binder; 169import android.os.Build; 170import android.os.Bundle; 171import android.os.Debug; 172import android.os.Environment; 173import android.os.Environment.UserEnvironment; 174import android.os.FileUtils; 175import android.os.Handler; 176import android.os.IBinder; 177import android.os.Looper; 178import android.os.Message; 179import android.os.Parcel; 180import android.os.ParcelFileDescriptor; 181import android.os.Process; 182import android.os.RemoteCallbackList; 183import android.os.RemoteException; 184import android.os.ResultReceiver; 185import android.os.SELinux; 186import android.os.ServiceManager; 187import android.os.SystemClock; 188import android.os.SystemProperties; 189import android.os.Trace; 190import android.os.UserHandle; 191import android.os.UserManager; 192import android.os.storage.IMountService; 193import android.os.storage.MountServiceInternal; 194import android.os.storage.StorageEventListener; 195import android.os.storage.StorageManager; 196import android.os.storage.VolumeInfo; 197import android.os.storage.VolumeRecord; 198import android.security.KeyStore; 199import android.security.SystemKeyStore; 200import android.system.ErrnoException; 201import android.system.Os; 202import android.text.TextUtils; 203import android.text.format.DateUtils; 204import android.util.ArrayMap; 205import android.util.ArraySet; 206import android.util.AtomicFile; 207import android.util.DisplayMetrics; 208import android.util.EventLog; 209import android.util.ExceptionUtils; 210import android.util.Log; 211import android.util.LogPrinter; 212import android.util.MathUtils; 213import android.util.PrintStreamPrinter; 214import android.util.Slog; 215import android.util.SparseArray; 216import android.util.SparseBooleanArray; 217import android.util.SparseIntArray; 218import android.util.Xml; 219import android.view.Display; 220 221import com.android.internal.R; 222import com.android.internal.annotations.GuardedBy; 223import com.android.internal.app.IMediaContainerService; 224import com.android.internal.app.ResolverActivity; 225import com.android.internal.content.NativeLibraryHelper; 226import com.android.internal.content.PackageHelper; 227import com.android.internal.os.IParcelFileDescriptorFactory; 228import com.android.internal.os.InstallerConnection.InstallerException; 229import com.android.internal.os.SomeArgs; 230import com.android.internal.os.Zygote; 231import com.android.internal.util.ArrayUtils; 232import com.android.internal.util.FastPrintWriter; 233import com.android.internal.util.FastXmlSerializer; 234import com.android.internal.util.IndentingPrintWriter; 235import com.android.internal.util.Preconditions; 236import com.android.internal.util.XmlUtils; 237import com.android.server.EventLogTags; 238import com.android.server.FgThread; 239import com.android.server.IntentResolver; 240import com.android.server.LocalServices; 241import com.android.server.ServiceThread; 242import com.android.server.SystemConfig; 243import com.android.server.Watchdog; 244import com.android.server.pm.PermissionsState.PermissionState; 245import com.android.server.pm.Settings.DatabaseVersion; 246import com.android.server.pm.Settings.VersionInfo; 247import com.android.server.storage.DeviceStorageMonitorInternal; 248 249import dalvik.system.DexFile; 250import dalvik.system.VMRuntime; 251 252import libcore.io.IoUtils; 253import libcore.util.EmptyArray; 254 255import org.xmlpull.v1.XmlPullParser; 256import org.xmlpull.v1.XmlPullParserException; 257import org.xmlpull.v1.XmlSerializer; 258 259import java.io.BufferedInputStream; 260import java.io.BufferedOutputStream; 261import java.io.BufferedReader; 262import java.io.ByteArrayInputStream; 263import java.io.ByteArrayOutputStream; 264import java.io.File; 265import java.io.FileDescriptor; 266import java.io.FileNotFoundException; 267import java.io.FileOutputStream; 268import java.io.FileReader; 269import java.io.FilenameFilter; 270import java.io.IOException; 271import java.io.InputStream; 272import java.io.PrintWriter; 273import java.nio.charset.StandardCharsets; 274import java.security.MessageDigest; 275import java.security.NoSuchAlgorithmException; 276import java.security.PublicKey; 277import java.security.cert.CertificateEncodingException; 278import java.security.cert.CertificateException; 279import java.text.SimpleDateFormat; 280import java.util.ArrayList; 281import java.util.Arrays; 282import java.util.Collection; 283import java.util.Collections; 284import java.util.Comparator; 285import java.util.Date; 286import java.util.HashSet; 287import java.util.Iterator; 288import java.util.List; 289import java.util.Map; 290import java.util.Objects; 291import java.util.Set; 292import java.util.concurrent.CountDownLatch; 293import java.util.concurrent.TimeUnit; 294import java.util.concurrent.atomic.AtomicBoolean; 295import java.util.concurrent.atomic.AtomicInteger; 296import java.util.concurrent.atomic.AtomicLong; 297 298/** 299 * Keep track of all those .apks everywhere. 300 * 301 * This is very central to the platform's security; please run the unit 302 * tests whenever making modifications here: 303 * 304runtest -c android.content.pm.PackageManagerTests frameworks-core 305 * 306 * {@hide} 307 */ 308public class PackageManagerService extends IPackageManager.Stub { 309 static final String TAG = "PackageManager"; 310 static final boolean DEBUG_SETTINGS = false; 311 static final boolean DEBUG_PREFERRED = false; 312 static final boolean DEBUG_UPGRADE = false; 313 static final boolean DEBUG_DOMAIN_VERIFICATION = false; 314 private static final boolean DEBUG_BACKUP = false; 315 private static final boolean DEBUG_INSTALL = false; 316 private static final boolean DEBUG_REMOVE = false; 317 private static final boolean DEBUG_BROADCASTS = false; 318 private static final boolean DEBUG_SHOW_INFO = false; 319 private static final boolean DEBUG_PACKAGE_INFO = false; 320 private static final boolean DEBUG_INTENT_MATCHING = false; 321 private static final boolean DEBUG_PACKAGE_SCANNING = false; 322 private static final boolean DEBUG_VERIFY = false; 323 324 // Debug output for dexopting. This is shared between PackageManagerService, OtaDexoptService 325 // and PackageDexOptimizer. All these classes have their own flag to allow switching a single 326 // user, but by default initialize to this. 327 static final boolean DEBUG_DEXOPT = false; 328 329 private static final boolean DEBUG_ABI_SELECTION = false; 330 private static final boolean DEBUG_EPHEMERAL = false; 331 private static final boolean DEBUG_TRIAGED_MISSING = false; 332 private static final boolean DEBUG_APP_DATA = false; 333 334 static final boolean CLEAR_RUNTIME_PERMISSIONS_ON_UPGRADE = false; 335 336 private static final boolean DISABLE_EPHEMERAL_APPS = true; 337 338 private static final int RADIO_UID = Process.PHONE_UID; 339 private static final int LOG_UID = Process.LOG_UID; 340 private static final int NFC_UID = Process.NFC_UID; 341 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 342 private static final int SHELL_UID = Process.SHELL_UID; 343 344 // Cap the size of permission trees that 3rd party apps can define 345 private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768; // characters of text 346 347 // Suffix used during package installation when copying/moving 348 // package apks to install directory. 349 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 350 351 static final int SCAN_NO_DEX = 1<<1; 352 static final int SCAN_FORCE_DEX = 1<<2; 353 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 354 static final int SCAN_NEW_INSTALL = 1<<4; 355 static final int SCAN_NO_PATHS = 1<<5; 356 static final int SCAN_UPDATE_TIME = 1<<6; 357 static final int SCAN_DEFER_DEX = 1<<7; 358 static final int SCAN_BOOTING = 1<<8; 359 static final int SCAN_TRUSTED_OVERLAY = 1<<9; 360 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<10; 361 static final int SCAN_REPLACING = 1<<11; 362 static final int SCAN_REQUIRE_KNOWN = 1<<12; 363 static final int SCAN_MOVE = 1<<13; 364 static final int SCAN_INITIAL = 1<<14; 365 static final int SCAN_CHECK_ONLY = 1<<15; 366 static final int SCAN_DONT_KILL_APP = 1<<17; 367 368 static final int REMOVE_CHATTY = 1<<16; 369 370 private static final int[] EMPTY_INT_ARRAY = new int[0]; 371 372 /** 373 * Timeout (in milliseconds) after which the watchdog should declare that 374 * our handler thread is wedged. The usual default for such things is one 375 * minute but we sometimes do very lengthy I/O operations on this thread, 376 * such as installing multi-gigabyte applications, so ours needs to be longer. 377 */ 378 private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 379 380 /** 381 * Wall-clock timeout (in milliseconds) after which we *require* that an fstrim 382 * be run on this device. We use the value in the Settings.Global.MANDATORY_FSTRIM_INTERVAL 383 * settings entry if available, otherwise we use the hardcoded default. If it's been 384 * more than this long since the last fstrim, we force one during the boot sequence. 385 * 386 * This backstops other fstrim scheduling: if the device is alive at midnight+idle, 387 * one gets run at the next available charging+idle time. This final mandatory 388 * no-fstrim check kicks in only of the other scheduling criteria is never met. 389 */ 390 private static final long DEFAULT_MANDATORY_FSTRIM_INTERVAL = 3 * DateUtils.DAY_IN_MILLIS; 391 392 /** 393 * Whether verification is enabled by default. 394 */ 395 private static final boolean DEFAULT_VERIFY_ENABLE = true; 396 397 /** 398 * The default maximum time to wait for the verification agent to return in 399 * milliseconds. 400 */ 401 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 402 403 /** 404 * The default response for package verification timeout. 405 * 406 * This can be either PackageManager.VERIFICATION_ALLOW or 407 * PackageManager.VERIFICATION_REJECT. 408 */ 409 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 410 411 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 412 413 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 414 DEFAULT_CONTAINER_PACKAGE, 415 "com.android.defcontainer.DefaultContainerService"); 416 417 private static final String KILL_APP_REASON_GIDS_CHANGED = 418 "permission grant or revoke changed gids"; 419 420 private static final String KILL_APP_REASON_PERMISSIONS_REVOKED = 421 "permissions revoked"; 422 423 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 424 425 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 426 427 /** Permission grant: not grant the permission. */ 428 private static final int GRANT_DENIED = 1; 429 430 /** Permission grant: grant the permission as an install permission. */ 431 private static final int GRANT_INSTALL = 2; 432 433 /** Permission grant: grant the permission as a runtime one. */ 434 private static final int GRANT_RUNTIME = 3; 435 436 /** Permission grant: grant as runtime a permission that was granted as an install time one. */ 437 private static final int GRANT_UPGRADE = 4; 438 439 /** Canonical intent used to identify what counts as a "web browser" app */ 440 private static final Intent sBrowserIntent; 441 static { 442 sBrowserIntent = new Intent(); 443 sBrowserIntent.setAction(Intent.ACTION_VIEW); 444 sBrowserIntent.addCategory(Intent.CATEGORY_BROWSABLE); 445 sBrowserIntent.setData(Uri.parse("http:")); 446 } 447 448 // Compilation reasons. 449 public static final int REASON_FIRST_BOOT = 0; 450 public static final int REASON_BOOT = 1; 451 public static final int REASON_INSTALL = 2; 452 public static final int REASON_BACKGROUND_DEXOPT = 3; 453 public static final int REASON_AB_OTA = 4; 454 public static final int REASON_NON_SYSTEM_LIBRARY = 5; 455 public static final int REASON_SHARED_APK = 6; 456 public static final int REASON_FORCED_DEXOPT = 7; 457 458 public static final int REASON_LAST = REASON_FORCED_DEXOPT; 459 460 final ServiceThread mHandlerThread; 461 462 final PackageHandler mHandler; 463 464 private final ProcessLoggingHandler mProcessLoggingHandler; 465 466 /** 467 * Messages for {@link #mHandler} that need to wait for system ready before 468 * being dispatched. 469 */ 470 private ArrayList<Message> mPostSystemReadyMessages; 471 472 final int mSdkVersion = Build.VERSION.SDK_INT; 473 474 final Context mContext; 475 final boolean mFactoryTest; 476 final boolean mOnlyCore; 477 final DisplayMetrics mMetrics; 478 final int mDefParseFlags; 479 final String[] mSeparateProcesses; 480 final boolean mIsUpgrade; 481 final boolean mIsPreNUpgrade; 482 483 /** The location for ASEC container files on internal storage. */ 484 final String mAsecInternalPath; 485 486 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 487 // LOCK HELD. Can be called with mInstallLock held. 488 @GuardedBy("mInstallLock") 489 final Installer mInstaller; 490 491 /** Directory where installed third-party apps stored */ 492 final File mAppInstallDir; 493 final File mEphemeralInstallDir; 494 495 /** 496 * Directory to which applications installed internally have their 497 * 32 bit native libraries copied. 498 */ 499 private File mAppLib32InstallDir; 500 501 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 502 // apps. 503 final File mDrmAppPrivateInstallDir; 504 505 // ---------------------------------------------------------------- 506 507 // Lock for state used when installing and doing other long running 508 // operations. Methods that must be called with this lock held have 509 // the suffix "LI". 510 final Object mInstallLock = new Object(); 511 512 // ---------------------------------------------------------------- 513 514 // Keys are String (package name), values are Package. This also serves 515 // as the lock for the global state. Methods that must be called with 516 // this lock held have the prefix "LP". 517 @GuardedBy("mPackages") 518 final ArrayMap<String, PackageParser.Package> mPackages = 519 new ArrayMap<String, PackageParser.Package>(); 520 521 final ArrayMap<String, Set<String>> mKnownCodebase = 522 new ArrayMap<String, Set<String>>(); 523 524 // Tracks available target package names -> overlay package paths. 525 final ArrayMap<String, ArrayMap<String, PackageParser.Package>> mOverlays = 526 new ArrayMap<String, ArrayMap<String, PackageParser.Package>>(); 527 528 /** 529 * Tracks new system packages [received in an OTA] that we expect to 530 * find updated user-installed versions. Keys are package name, values 531 * are package location. 532 */ 533 final private ArrayMap<String, File> mExpectingBetter = new ArrayMap<>(); 534 535 /** 536 * Tracks existing system packages prior to receiving an OTA. Keys are package name. 537 */ 538 final private ArraySet<String> mExistingSystemPackages = new ArraySet<>(); 539 /** 540 * Whether or not system app permissions should be promoted from install to runtime. 541 */ 542 boolean mPromoteSystemApps; 543 544 final Settings mSettings; 545 boolean mRestoredSettings; 546 547 // System configuration read by SystemConfig. 548 final int[] mGlobalGids; 549 final SparseArray<ArraySet<String>> mSystemPermissions; 550 final ArrayMap<String, FeatureInfo> mAvailableFeatures; 551 552 // If mac_permissions.xml was found for seinfo labeling. 553 boolean mFoundPolicyFile; 554 555 private final EphemeralApplicationRegistry mEphemeralApplicationRegistry; 556 557 public static final class SharedLibraryEntry { 558 public final String path; 559 public final String apk; 560 561 SharedLibraryEntry(String _path, String _apk) { 562 path = _path; 563 apk = _apk; 564 } 565 } 566 567 // Currently known shared libraries. 568 final ArrayMap<String, SharedLibraryEntry> mSharedLibraries = 569 new ArrayMap<String, SharedLibraryEntry>(); 570 571 // All available activities, for your resolving pleasure. 572 final ActivityIntentResolver mActivities = 573 new ActivityIntentResolver(); 574 575 // All available receivers, for your resolving pleasure. 576 final ActivityIntentResolver mReceivers = 577 new ActivityIntentResolver(); 578 579 // All available services, for your resolving pleasure. 580 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 581 582 // All available providers, for your resolving pleasure. 583 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 584 585 // Mapping from provider base names (first directory in content URI codePath) 586 // to the provider information. 587 final ArrayMap<String, PackageParser.Provider> mProvidersByAuthority = 588 new ArrayMap<String, PackageParser.Provider>(); 589 590 // Mapping from instrumentation class names to info about them. 591 final ArrayMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 592 new ArrayMap<ComponentName, PackageParser.Instrumentation>(); 593 594 // Mapping from permission names to info about them. 595 final ArrayMap<String, PackageParser.PermissionGroup> mPermissionGroups = 596 new ArrayMap<String, PackageParser.PermissionGroup>(); 597 598 // Packages whose data we have transfered into another package, thus 599 // should no longer exist. 600 final ArraySet<String> mTransferedPackages = new ArraySet<String>(); 601 602 // Broadcast actions that are only available to the system. 603 final ArraySet<String> mProtectedBroadcasts = new ArraySet<String>(); 604 605 /** List of packages waiting for verification. */ 606 final SparseArray<PackageVerificationState> mPendingVerification 607 = new SparseArray<PackageVerificationState>(); 608 609 /** Set of packages associated with each app op permission. */ 610 final ArrayMap<String, ArraySet<String>> mAppOpPermissionPackages = new ArrayMap<>(); 611 612 final PackageInstallerService mInstallerService; 613 614 private final PackageDexOptimizer mPackageDexOptimizer; 615 616 private AtomicInteger mNextMoveId = new AtomicInteger(); 617 private final MoveCallbacks mMoveCallbacks; 618 619 private final OnPermissionChangeListeners mOnPermissionChangeListeners; 620 621 // Cache of users who need badging. 622 SparseBooleanArray mUserNeedsBadging = new SparseBooleanArray(); 623 624 /** Token for keys in mPendingVerification. */ 625 private int mPendingVerificationToken = 0; 626 627 volatile boolean mSystemReady; 628 volatile boolean mSafeMode; 629 volatile boolean mHasSystemUidErrors; 630 631 ApplicationInfo mAndroidApplication; 632 final ActivityInfo mResolveActivity = new ActivityInfo(); 633 final ResolveInfo mResolveInfo = new ResolveInfo(); 634 ComponentName mResolveComponentName; 635 PackageParser.Package mPlatformPackage; 636 ComponentName mCustomResolverComponentName; 637 638 boolean mResolverReplaced = false; 639 640 private final @Nullable ComponentName mIntentFilterVerifierComponent; 641 private final @Nullable IntentFilterVerifier<ActivityIntentInfo> mIntentFilterVerifier; 642 643 private int mIntentFilterVerificationToken = 0; 644 645 /** Component that knows whether or not an ephemeral application exists */ 646 final ComponentName mEphemeralResolverComponent; 647 /** The service connection to the ephemeral resolver */ 648 final EphemeralResolverConnection mEphemeralResolverConnection; 649 650 /** Component used to install ephemeral applications */ 651 final ComponentName mEphemeralInstallerComponent; 652 final ActivityInfo mEphemeralInstallerActivity = new ActivityInfo(); 653 final ResolveInfo mEphemeralInstallerInfo = new ResolveInfo(); 654 655 final SparseArray<IntentFilterVerificationState> mIntentFilterVerificationStates 656 = new SparseArray<IntentFilterVerificationState>(); 657 658 final DefaultPermissionGrantPolicy mDefaultPermissionPolicy = 659 new DefaultPermissionGrantPolicy(this); 660 661 // List of packages names to keep cached, even if they are uninstalled for all users 662 private List<String> mKeepUninstalledPackages; 663 664 private static class IFVerificationParams { 665 PackageParser.Package pkg; 666 boolean replacing; 667 int userId; 668 int verifierUid; 669 670 public IFVerificationParams(PackageParser.Package _pkg, boolean _replacing, 671 int _userId, int _verifierUid) { 672 pkg = _pkg; 673 replacing = _replacing; 674 userId = _userId; 675 replacing = _replacing; 676 verifierUid = _verifierUid; 677 } 678 } 679 680 private interface IntentFilterVerifier<T extends IntentFilter> { 681 boolean addOneIntentFilterVerification(int verifierId, int userId, int verificationId, 682 T filter, String packageName); 683 void startVerifications(int userId); 684 void receiveVerificationResponse(int verificationId); 685 } 686 687 private class IntentVerifierProxy implements IntentFilterVerifier<ActivityIntentInfo> { 688 private Context mContext; 689 private ComponentName mIntentFilterVerifierComponent; 690 private ArrayList<Integer> mCurrentIntentFilterVerifications = new ArrayList<Integer>(); 691 692 public IntentVerifierProxy(Context context, ComponentName verifierComponent) { 693 mContext = context; 694 mIntentFilterVerifierComponent = verifierComponent; 695 } 696 697 private String getDefaultScheme() { 698 return IntentFilter.SCHEME_HTTPS; 699 } 700 701 @Override 702 public void startVerifications(int userId) { 703 // Launch verifications requests 704 int count = mCurrentIntentFilterVerifications.size(); 705 for (int n=0; n<count; n++) { 706 int verificationId = mCurrentIntentFilterVerifications.get(n); 707 final IntentFilterVerificationState ivs = 708 mIntentFilterVerificationStates.get(verificationId); 709 710 String packageName = ivs.getPackageName(); 711 712 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 713 final int filterCount = filters.size(); 714 ArraySet<String> domainsSet = new ArraySet<>(); 715 for (int m=0; m<filterCount; m++) { 716 PackageParser.ActivityIntentInfo filter = filters.get(m); 717 domainsSet.addAll(filter.getHostsList()); 718 } 719 ArrayList<String> domainsList = new ArrayList<>(domainsSet); 720 synchronized (mPackages) { 721 if (mSettings.createIntentFilterVerificationIfNeededLPw( 722 packageName, domainsList) != null) { 723 scheduleWriteSettingsLocked(); 724 } 725 } 726 sendVerificationRequest(userId, verificationId, ivs); 727 } 728 mCurrentIntentFilterVerifications.clear(); 729 } 730 731 private void sendVerificationRequest(int userId, int verificationId, 732 IntentFilterVerificationState ivs) { 733 734 Intent verificationIntent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 735 verificationIntent.putExtra( 736 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_ID, 737 verificationId); 738 verificationIntent.putExtra( 739 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_URI_SCHEME, 740 getDefaultScheme()); 741 verificationIntent.putExtra( 742 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_HOSTS, 743 ivs.getHostsString()); 744 verificationIntent.putExtra( 745 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_PACKAGE_NAME, 746 ivs.getPackageName()); 747 verificationIntent.setComponent(mIntentFilterVerifierComponent); 748 verificationIntent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 749 750 UserHandle user = new UserHandle(userId); 751 mContext.sendBroadcastAsUser(verificationIntent, user); 752 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 753 "Sending IntentFilter verification broadcast"); 754 } 755 756 public void receiveVerificationResponse(int verificationId) { 757 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 758 759 final boolean verified = ivs.isVerified(); 760 761 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 762 final int count = filters.size(); 763 if (DEBUG_DOMAIN_VERIFICATION) { 764 Slog.i(TAG, "Received verification response " + verificationId 765 + " for " + count + " filters, verified=" + verified); 766 } 767 for (int n=0; n<count; n++) { 768 PackageParser.ActivityIntentInfo filter = filters.get(n); 769 filter.setVerified(verified); 770 771 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "IntentFilter " + filter.toString() 772 + " verified with result:" + verified + " and hosts:" 773 + ivs.getHostsString()); 774 } 775 776 mIntentFilterVerificationStates.remove(verificationId); 777 778 final String packageName = ivs.getPackageName(); 779 IntentFilterVerificationInfo ivi = null; 780 781 synchronized (mPackages) { 782 ivi = mSettings.getIntentFilterVerificationLPr(packageName); 783 } 784 if (ivi == null) { 785 Slog.w(TAG, "IntentFilterVerificationInfo not found for verificationId:" 786 + verificationId + " packageName:" + packageName); 787 return; 788 } 789 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 790 "Updating IntentFilterVerificationInfo for package " + packageName 791 +" verificationId:" + verificationId); 792 793 synchronized (mPackages) { 794 if (verified) { 795 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS); 796 } else { 797 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK); 798 } 799 scheduleWriteSettingsLocked(); 800 801 final int userId = ivs.getUserId(); 802 if (userId != UserHandle.USER_ALL) { 803 final int userStatus = 804 mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 805 806 int updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 807 boolean needUpdate = false; 808 809 // We cannot override the STATUS_ALWAYS / STATUS_NEVER states if they have 810 // already been set by the User thru the Disambiguation dialog 811 switch (userStatus) { 812 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 813 if (verified) { 814 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 815 } else { 816 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 817 } 818 needUpdate = true; 819 break; 820 821 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 822 if (verified) { 823 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 824 needUpdate = true; 825 } 826 break; 827 828 default: 829 // Nothing to do 830 } 831 832 if (needUpdate) { 833 mSettings.updateIntentFilterVerificationStatusLPw( 834 packageName, updatedStatus, userId); 835 scheduleWritePackageRestrictionsLocked(userId); 836 } 837 } 838 } 839 } 840 841 @Override 842 public boolean addOneIntentFilterVerification(int verifierUid, int userId, int verificationId, 843 ActivityIntentInfo filter, String packageName) { 844 if (!hasValidDomains(filter)) { 845 return false; 846 } 847 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 848 if (ivs == null) { 849 ivs = createDomainVerificationState(verifierUid, userId, verificationId, 850 packageName); 851 } 852 if (DEBUG_DOMAIN_VERIFICATION) { 853 Slog.d(TAG, "Adding verification filter for " + packageName + ": " + filter); 854 } 855 ivs.addFilter(filter); 856 return true; 857 } 858 859 private IntentFilterVerificationState createDomainVerificationState(int verifierUid, 860 int userId, int verificationId, String packageName) { 861 IntentFilterVerificationState ivs = new IntentFilterVerificationState( 862 verifierUid, userId, packageName); 863 ivs.setPendingState(); 864 synchronized (mPackages) { 865 mIntentFilterVerificationStates.append(verificationId, ivs); 866 mCurrentIntentFilterVerifications.add(verificationId); 867 } 868 return ivs; 869 } 870 } 871 872 private static boolean hasValidDomains(ActivityIntentInfo filter) { 873 return filter.hasCategory(Intent.CATEGORY_BROWSABLE) 874 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 875 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS)); 876 } 877 878 // Set of pending broadcasts for aggregating enable/disable of components. 879 static class PendingPackageBroadcasts { 880 // for each user id, a map of <package name -> components within that package> 881 final SparseArray<ArrayMap<String, ArrayList<String>>> mUidMap; 882 883 public PendingPackageBroadcasts() { 884 mUidMap = new SparseArray<ArrayMap<String, ArrayList<String>>>(2); 885 } 886 887 public ArrayList<String> get(int userId, String packageName) { 888 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 889 return packages.get(packageName); 890 } 891 892 public void put(int userId, String packageName, ArrayList<String> components) { 893 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 894 packages.put(packageName, components); 895 } 896 897 public void remove(int userId, String packageName) { 898 ArrayMap<String, ArrayList<String>> packages = mUidMap.get(userId); 899 if (packages != null) { 900 packages.remove(packageName); 901 } 902 } 903 904 public void remove(int userId) { 905 mUidMap.remove(userId); 906 } 907 908 public int userIdCount() { 909 return mUidMap.size(); 910 } 911 912 public int userIdAt(int n) { 913 return mUidMap.keyAt(n); 914 } 915 916 public ArrayMap<String, ArrayList<String>> packagesForUserId(int userId) { 917 return mUidMap.get(userId); 918 } 919 920 public int size() { 921 // total number of pending broadcast entries across all userIds 922 int num = 0; 923 for (int i = 0; i< mUidMap.size(); i++) { 924 num += mUidMap.valueAt(i).size(); 925 } 926 return num; 927 } 928 929 public void clear() { 930 mUidMap.clear(); 931 } 932 933 private ArrayMap<String, ArrayList<String>> getOrAllocate(int userId) { 934 ArrayMap<String, ArrayList<String>> map = mUidMap.get(userId); 935 if (map == null) { 936 map = new ArrayMap<String, ArrayList<String>>(); 937 mUidMap.put(userId, map); 938 } 939 return map; 940 } 941 } 942 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 943 944 // Service Connection to remote media container service to copy 945 // package uri's from external media onto secure containers 946 // or internal storage. 947 private IMediaContainerService mContainerService = null; 948 949 static final int SEND_PENDING_BROADCAST = 1; 950 static final int MCS_BOUND = 3; 951 static final int END_COPY = 4; 952 static final int INIT_COPY = 5; 953 static final int MCS_UNBIND = 6; 954 static final int START_CLEANING_PACKAGE = 7; 955 static final int FIND_INSTALL_LOC = 8; 956 static final int POST_INSTALL = 9; 957 static final int MCS_RECONNECT = 10; 958 static final int MCS_GIVE_UP = 11; 959 static final int UPDATED_MEDIA_STATUS = 12; 960 static final int WRITE_SETTINGS = 13; 961 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 962 static final int PACKAGE_VERIFIED = 15; 963 static final int CHECK_PENDING_VERIFICATION = 16; 964 static final int START_INTENT_FILTER_VERIFICATIONS = 17; 965 static final int INTENT_FILTER_VERIFIED = 18; 966 967 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 968 969 // Delay time in millisecs 970 static final int BROADCAST_DELAY = 10 * 1000; 971 972 static UserManagerService sUserManager; 973 974 // Stores a list of users whose package restrictions file needs to be updated 975 private ArraySet<Integer> mDirtyUsers = new ArraySet<Integer>(); 976 977 final private DefaultContainerConnection mDefContainerConn = 978 new DefaultContainerConnection(); 979 class DefaultContainerConnection implements ServiceConnection { 980 public void onServiceConnected(ComponentName name, IBinder service) { 981 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 982 IMediaContainerService imcs = 983 IMediaContainerService.Stub.asInterface(service); 984 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 985 } 986 987 public void onServiceDisconnected(ComponentName name) { 988 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 989 } 990 } 991 992 // Recordkeeping of restore-after-install operations that are currently in flight 993 // between the Package Manager and the Backup Manager 994 static class PostInstallData { 995 public InstallArgs args; 996 public PackageInstalledInfo res; 997 998 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 999 args = _a; 1000 res = _r; 1001 } 1002 } 1003 1004 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 1005 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 1006 1007 // XML tags for backup/restore of various bits of state 1008 private static final String TAG_PREFERRED_BACKUP = "pa"; 1009 private static final String TAG_DEFAULT_APPS = "da"; 1010 private static final String TAG_INTENT_FILTER_VERIFICATION = "iv"; 1011 1012 private static final String TAG_PERMISSION_BACKUP = "perm-grant-backup"; 1013 private static final String TAG_ALL_GRANTS = "rt-grants"; 1014 private static final String TAG_GRANT = "grant"; 1015 private static final String ATTR_PACKAGE_NAME = "pkg"; 1016 1017 private static final String TAG_PERMISSION = "perm"; 1018 private static final String ATTR_PERMISSION_NAME = "name"; 1019 private static final String ATTR_IS_GRANTED = "g"; 1020 private static final String ATTR_USER_SET = "set"; 1021 private static final String ATTR_USER_FIXED = "fixed"; 1022 private static final String ATTR_REVOKE_ON_UPGRADE = "rou"; 1023 1024 // System/policy permission grants are not backed up 1025 private static final int SYSTEM_RUNTIME_GRANT_MASK = 1026 FLAG_PERMISSION_POLICY_FIXED 1027 | FLAG_PERMISSION_SYSTEM_FIXED 1028 | FLAG_PERMISSION_GRANTED_BY_DEFAULT; 1029 1030 // And we back up these user-adjusted states 1031 private static final int USER_RUNTIME_GRANT_MASK = 1032 FLAG_PERMISSION_USER_SET 1033 | FLAG_PERMISSION_USER_FIXED 1034 | FLAG_PERMISSION_REVOKE_ON_UPGRADE; 1035 1036 final @Nullable String mRequiredVerifierPackage; 1037 final @Nullable String mRequiredInstallerPackage; 1038 final @Nullable String mSetupWizardPackage; 1039 1040 private final PackageUsage mPackageUsage = new PackageUsage(); 1041 1042 private class PackageUsage { 1043 private static final int WRITE_INTERVAL 1044 = (DEBUG_DEXOPT) ? 0 : 30*60*1000; // 30m in ms 1045 1046 private final Object mFileLock = new Object(); 1047 private final AtomicLong mLastWritten = new AtomicLong(0); 1048 private final AtomicBoolean mBackgroundWriteRunning = new AtomicBoolean(false); 1049 1050 private boolean mIsHistoricalPackageUsageAvailable = true; 1051 1052 boolean isHistoricalPackageUsageAvailable() { 1053 return mIsHistoricalPackageUsageAvailable; 1054 } 1055 1056 void write(boolean force) { 1057 if (force) { 1058 writeInternal(); 1059 return; 1060 } 1061 if (SystemClock.elapsedRealtime() - mLastWritten.get() < WRITE_INTERVAL 1062 && !DEBUG_DEXOPT) { 1063 return; 1064 } 1065 if (mBackgroundWriteRunning.compareAndSet(false, true)) { 1066 new Thread("PackageUsage_DiskWriter") { 1067 @Override 1068 public void run() { 1069 try { 1070 writeInternal(); 1071 } finally { 1072 mBackgroundWriteRunning.set(false); 1073 } 1074 } 1075 }.start(); 1076 } 1077 } 1078 1079 private void writeInternal() { 1080 synchronized (mPackages) { 1081 synchronized (mFileLock) { 1082 AtomicFile file = getFile(); 1083 FileOutputStream f = null; 1084 try { 1085 f = file.startWrite(); 1086 BufferedOutputStream out = new BufferedOutputStream(f); 1087 FileUtils.setPermissions(file.getBaseFile().getPath(), 0640, SYSTEM_UID, PACKAGE_INFO_GID); 1088 StringBuilder sb = new StringBuilder(); 1089 for (PackageParser.Package pkg : mPackages.values()) { 1090 if (pkg.mLastPackageUsageTimeInMills == 0) { 1091 continue; 1092 } 1093 sb.setLength(0); 1094 sb.append(pkg.packageName); 1095 sb.append(' '); 1096 sb.append((long)pkg.mLastPackageUsageTimeInMills); 1097 sb.append('\n'); 1098 out.write(sb.toString().getBytes(StandardCharsets.US_ASCII)); 1099 } 1100 out.flush(); 1101 file.finishWrite(f); 1102 } catch (IOException e) { 1103 if (f != null) { 1104 file.failWrite(f); 1105 } 1106 Log.e(TAG, "Failed to write package usage times", e); 1107 } 1108 } 1109 } 1110 mLastWritten.set(SystemClock.elapsedRealtime()); 1111 } 1112 1113 void readLP() { 1114 synchronized (mFileLock) { 1115 AtomicFile file = getFile(); 1116 BufferedInputStream in = null; 1117 try { 1118 in = new BufferedInputStream(file.openRead()); 1119 StringBuffer sb = new StringBuffer(); 1120 while (true) { 1121 String packageName = readToken(in, sb, ' '); 1122 if (packageName == null) { 1123 break; 1124 } 1125 String timeInMillisString = readToken(in, sb, '\n'); 1126 if (timeInMillisString == null) { 1127 throw new IOException("Failed to find last usage time for package " 1128 + packageName); 1129 } 1130 PackageParser.Package pkg = mPackages.get(packageName); 1131 if (pkg == null) { 1132 continue; 1133 } 1134 long timeInMillis; 1135 try { 1136 timeInMillis = Long.parseLong(timeInMillisString); 1137 } catch (NumberFormatException e) { 1138 throw new IOException("Failed to parse " + timeInMillisString 1139 + " as a long.", e); 1140 } 1141 pkg.mLastPackageUsageTimeInMills = timeInMillis; 1142 } 1143 } catch (FileNotFoundException expected) { 1144 mIsHistoricalPackageUsageAvailable = false; 1145 } catch (IOException e) { 1146 Log.w(TAG, "Failed to read package usage times", e); 1147 } finally { 1148 IoUtils.closeQuietly(in); 1149 } 1150 } 1151 mLastWritten.set(SystemClock.elapsedRealtime()); 1152 } 1153 1154 private String readToken(InputStream in, StringBuffer sb, char endOfToken) 1155 throws IOException { 1156 sb.setLength(0); 1157 while (true) { 1158 int ch = in.read(); 1159 if (ch == -1) { 1160 if (sb.length() == 0) { 1161 return null; 1162 } 1163 throw new IOException("Unexpected EOF"); 1164 } 1165 if (ch == endOfToken) { 1166 return sb.toString(); 1167 } 1168 sb.append((char)ch); 1169 } 1170 } 1171 1172 private AtomicFile getFile() { 1173 File dataDir = Environment.getDataDirectory(); 1174 File systemDir = new File(dataDir, "system"); 1175 File fname = new File(systemDir, "package-usage.list"); 1176 return new AtomicFile(fname); 1177 } 1178 } 1179 1180 class PackageHandler extends Handler { 1181 private boolean mBound = false; 1182 final ArrayList<HandlerParams> mPendingInstalls = 1183 new ArrayList<HandlerParams>(); 1184 1185 private boolean connectToService() { 1186 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 1187 " DefaultContainerService"); 1188 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 1189 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1190 if (mContext.bindServiceAsUser(service, mDefContainerConn, 1191 Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 1192 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1193 mBound = true; 1194 return true; 1195 } 1196 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1197 return false; 1198 } 1199 1200 private void disconnectService() { 1201 mContainerService = null; 1202 mBound = false; 1203 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1204 mContext.unbindService(mDefContainerConn); 1205 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1206 } 1207 1208 PackageHandler(Looper looper) { 1209 super(looper); 1210 } 1211 1212 public void handleMessage(Message msg) { 1213 try { 1214 doHandleMessage(msg); 1215 } finally { 1216 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1217 } 1218 } 1219 1220 void doHandleMessage(Message msg) { 1221 switch (msg.what) { 1222 case INIT_COPY: { 1223 HandlerParams params = (HandlerParams) msg.obj; 1224 int idx = mPendingInstalls.size(); 1225 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 1226 // If a bind was already initiated we dont really 1227 // need to do anything. The pending install 1228 // will be processed later on. 1229 if (!mBound) { 1230 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1231 System.identityHashCode(mHandler)); 1232 // If this is the only one pending we might 1233 // have to bind to the service again. 1234 if (!connectToService()) { 1235 Slog.e(TAG, "Failed to bind to media container service"); 1236 params.serviceError(); 1237 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1238 System.identityHashCode(mHandler)); 1239 if (params.traceMethod != null) { 1240 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, params.traceMethod, 1241 params.traceCookie); 1242 } 1243 return; 1244 } else { 1245 // Once we bind to the service, the first 1246 // pending request will be processed. 1247 mPendingInstalls.add(idx, params); 1248 } 1249 } else { 1250 mPendingInstalls.add(idx, params); 1251 // Already bound to the service. Just make 1252 // sure we trigger off processing the first request. 1253 if (idx == 0) { 1254 mHandler.sendEmptyMessage(MCS_BOUND); 1255 } 1256 } 1257 break; 1258 } 1259 case MCS_BOUND: { 1260 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 1261 if (msg.obj != null) { 1262 mContainerService = (IMediaContainerService) msg.obj; 1263 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1264 System.identityHashCode(mHandler)); 1265 } 1266 if (mContainerService == null) { 1267 if (!mBound) { 1268 // Something seriously wrong since we are not bound and we are not 1269 // waiting for connection. Bail out. 1270 Slog.e(TAG, "Cannot bind to media container service"); 1271 for (HandlerParams params : mPendingInstalls) { 1272 // Indicate service bind error 1273 params.serviceError(); 1274 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1275 System.identityHashCode(params)); 1276 if (params.traceMethod != null) { 1277 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, 1278 params.traceMethod, params.traceCookie); 1279 } 1280 return; 1281 } 1282 mPendingInstalls.clear(); 1283 } else { 1284 Slog.w(TAG, "Waiting to connect to media container service"); 1285 } 1286 } else if (mPendingInstalls.size() > 0) { 1287 HandlerParams params = mPendingInstalls.get(0); 1288 if (params != null) { 1289 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1290 System.identityHashCode(params)); 1291 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "startCopy"); 1292 if (params.startCopy()) { 1293 // We are done... look for more work or to 1294 // go idle. 1295 if (DEBUG_SD_INSTALL) Log.i(TAG, 1296 "Checking for more work or unbind..."); 1297 // Delete pending install 1298 if (mPendingInstalls.size() > 0) { 1299 mPendingInstalls.remove(0); 1300 } 1301 if (mPendingInstalls.size() == 0) { 1302 if (mBound) { 1303 if (DEBUG_SD_INSTALL) Log.i(TAG, 1304 "Posting delayed MCS_UNBIND"); 1305 removeMessages(MCS_UNBIND); 1306 Message ubmsg = obtainMessage(MCS_UNBIND); 1307 // Unbind after a little delay, to avoid 1308 // continual thrashing. 1309 sendMessageDelayed(ubmsg, 10000); 1310 } 1311 } else { 1312 // There are more pending requests in queue. 1313 // Just post MCS_BOUND message to trigger processing 1314 // of next pending install. 1315 if (DEBUG_SD_INSTALL) Log.i(TAG, 1316 "Posting MCS_BOUND for next work"); 1317 mHandler.sendEmptyMessage(MCS_BOUND); 1318 } 1319 } 1320 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 1321 } 1322 } else { 1323 // Should never happen ideally. 1324 Slog.w(TAG, "Empty queue"); 1325 } 1326 break; 1327 } 1328 case MCS_RECONNECT: { 1329 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 1330 if (mPendingInstalls.size() > 0) { 1331 if (mBound) { 1332 disconnectService(); 1333 } 1334 if (!connectToService()) { 1335 Slog.e(TAG, "Failed to bind to media container service"); 1336 for (HandlerParams params : mPendingInstalls) { 1337 // Indicate service bind error 1338 params.serviceError(); 1339 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1340 System.identityHashCode(params)); 1341 } 1342 mPendingInstalls.clear(); 1343 } 1344 } 1345 break; 1346 } 1347 case MCS_UNBIND: { 1348 // If there is no actual work left, then time to unbind. 1349 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 1350 1351 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 1352 if (mBound) { 1353 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 1354 1355 disconnectService(); 1356 } 1357 } else if (mPendingInstalls.size() > 0) { 1358 // There are more pending requests in queue. 1359 // Just post MCS_BOUND message to trigger processing 1360 // of next pending install. 1361 mHandler.sendEmptyMessage(MCS_BOUND); 1362 } 1363 1364 break; 1365 } 1366 case MCS_GIVE_UP: { 1367 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 1368 HandlerParams params = mPendingInstalls.remove(0); 1369 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1370 System.identityHashCode(params)); 1371 break; 1372 } 1373 case SEND_PENDING_BROADCAST: { 1374 String packages[]; 1375 ArrayList<String> components[]; 1376 int size = 0; 1377 int uids[]; 1378 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1379 synchronized (mPackages) { 1380 if (mPendingBroadcasts == null) { 1381 return; 1382 } 1383 size = mPendingBroadcasts.size(); 1384 if (size <= 0) { 1385 // Nothing to be done. Just return 1386 return; 1387 } 1388 packages = new String[size]; 1389 components = new ArrayList[size]; 1390 uids = new int[size]; 1391 int i = 0; // filling out the above arrays 1392 1393 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 1394 int packageUserId = mPendingBroadcasts.userIdAt(n); 1395 Iterator<Map.Entry<String, ArrayList<String>>> it 1396 = mPendingBroadcasts.packagesForUserId(packageUserId) 1397 .entrySet().iterator(); 1398 while (it.hasNext() && i < size) { 1399 Map.Entry<String, ArrayList<String>> ent = it.next(); 1400 packages[i] = ent.getKey(); 1401 components[i] = ent.getValue(); 1402 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 1403 uids[i] = (ps != null) 1404 ? UserHandle.getUid(packageUserId, ps.appId) 1405 : -1; 1406 i++; 1407 } 1408 } 1409 size = i; 1410 mPendingBroadcasts.clear(); 1411 } 1412 // Send broadcasts 1413 for (int i = 0; i < size; i++) { 1414 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 1415 } 1416 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1417 break; 1418 } 1419 case START_CLEANING_PACKAGE: { 1420 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1421 final String packageName = (String)msg.obj; 1422 final int userId = msg.arg1; 1423 final boolean andCode = msg.arg2 != 0; 1424 synchronized (mPackages) { 1425 if (userId == UserHandle.USER_ALL) { 1426 int[] users = sUserManager.getUserIds(); 1427 for (int user : users) { 1428 mSettings.addPackageToCleanLPw( 1429 new PackageCleanItem(user, packageName, andCode)); 1430 } 1431 } else { 1432 mSettings.addPackageToCleanLPw( 1433 new PackageCleanItem(userId, packageName, andCode)); 1434 } 1435 } 1436 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1437 startCleaningPackages(); 1438 } break; 1439 case POST_INSTALL: { 1440 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 1441 1442 PostInstallData data = mRunningInstalls.get(msg.arg1); 1443 mRunningInstalls.delete(msg.arg1); 1444 1445 if (data != null) { 1446 InstallArgs args = data.args; 1447 PackageInstalledInfo parentRes = data.res; 1448 1449 final boolean grantPermissions = (args.installFlags 1450 & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0; 1451 final boolean killApp = (args.installFlags 1452 & PackageManager.INSTALL_DONT_KILL_APP) == 0; 1453 final String[] grantedPermissions = args.installGrantPermissions; 1454 1455 // Handle the parent package 1456 handlePackagePostInstall(parentRes, grantPermissions, killApp, 1457 grantedPermissions, args.observer); 1458 1459 // Handle the child packages 1460 final int childCount = (parentRes.addedChildPackages != null) 1461 ? parentRes.addedChildPackages.size() : 0; 1462 for (int i = 0; i < childCount; i++) { 1463 PackageInstalledInfo childRes = parentRes.addedChildPackages.valueAt(i); 1464 handlePackagePostInstall(childRes, grantPermissions, killApp, 1465 grantedPermissions, args.observer); 1466 } 1467 1468 // Log tracing if needed 1469 if (args.traceMethod != null) { 1470 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, args.traceMethod, 1471 args.traceCookie); 1472 } 1473 } else { 1474 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1475 } 1476 1477 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "postInstall", msg.arg1); 1478 } break; 1479 case UPDATED_MEDIA_STATUS: { 1480 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1481 boolean reportStatus = msg.arg1 == 1; 1482 boolean doGc = msg.arg2 == 1; 1483 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1484 if (doGc) { 1485 // Force a gc to clear up stale containers. 1486 Runtime.getRuntime().gc(); 1487 } 1488 if (msg.obj != null) { 1489 @SuppressWarnings("unchecked") 1490 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1491 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1492 // Unload containers 1493 unloadAllContainers(args); 1494 } 1495 if (reportStatus) { 1496 try { 1497 if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); 1498 PackageHelper.getMountService().finishMediaUpdate(); 1499 } catch (RemoteException e) { 1500 Log.e(TAG, "MountService not running?"); 1501 } 1502 } 1503 } break; 1504 case WRITE_SETTINGS: { 1505 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1506 synchronized (mPackages) { 1507 removeMessages(WRITE_SETTINGS); 1508 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1509 mSettings.writeLPr(); 1510 mDirtyUsers.clear(); 1511 } 1512 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1513 } break; 1514 case WRITE_PACKAGE_RESTRICTIONS: { 1515 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1516 synchronized (mPackages) { 1517 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1518 for (int userId : mDirtyUsers) { 1519 mSettings.writePackageRestrictionsLPr(userId); 1520 } 1521 mDirtyUsers.clear(); 1522 } 1523 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1524 } break; 1525 case CHECK_PENDING_VERIFICATION: { 1526 final int verificationId = msg.arg1; 1527 final PackageVerificationState state = mPendingVerification.get(verificationId); 1528 1529 if ((state != null) && !state.timeoutExtended()) { 1530 final InstallArgs args = state.getInstallArgs(); 1531 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1532 1533 Slog.i(TAG, "Verification timed out for " + originUri); 1534 mPendingVerification.remove(verificationId); 1535 1536 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1537 1538 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1539 Slog.i(TAG, "Continuing with installation of " + originUri); 1540 state.setVerifierResponse(Binder.getCallingUid(), 1541 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1542 broadcastPackageVerified(verificationId, originUri, 1543 PackageManager.VERIFICATION_ALLOW, 1544 state.getInstallArgs().getUser()); 1545 try { 1546 ret = args.copyApk(mContainerService, true); 1547 } catch (RemoteException e) { 1548 Slog.e(TAG, "Could not contact the ContainerService"); 1549 } 1550 } else { 1551 broadcastPackageVerified(verificationId, originUri, 1552 PackageManager.VERIFICATION_REJECT, 1553 state.getInstallArgs().getUser()); 1554 } 1555 1556 Trace.asyncTraceEnd( 1557 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1558 1559 processPendingInstall(args, ret); 1560 mHandler.sendEmptyMessage(MCS_UNBIND); 1561 } 1562 break; 1563 } 1564 case PACKAGE_VERIFIED: { 1565 final int verificationId = msg.arg1; 1566 1567 final PackageVerificationState state = mPendingVerification.get(verificationId); 1568 if (state == null) { 1569 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1570 break; 1571 } 1572 1573 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1574 1575 state.setVerifierResponse(response.callerUid, response.code); 1576 1577 if (state.isVerificationComplete()) { 1578 mPendingVerification.remove(verificationId); 1579 1580 final InstallArgs args = state.getInstallArgs(); 1581 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1582 1583 int ret; 1584 if (state.isInstallAllowed()) { 1585 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1586 broadcastPackageVerified(verificationId, originUri, 1587 response.code, state.getInstallArgs().getUser()); 1588 try { 1589 ret = args.copyApk(mContainerService, true); 1590 } catch (RemoteException e) { 1591 Slog.e(TAG, "Could not contact the ContainerService"); 1592 } 1593 } else { 1594 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1595 } 1596 1597 Trace.asyncTraceEnd( 1598 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1599 1600 processPendingInstall(args, ret); 1601 mHandler.sendEmptyMessage(MCS_UNBIND); 1602 } 1603 1604 break; 1605 } 1606 case START_INTENT_FILTER_VERIFICATIONS: { 1607 IFVerificationParams params = (IFVerificationParams) msg.obj; 1608 verifyIntentFiltersIfNeeded(params.userId, params.verifierUid, 1609 params.replacing, params.pkg); 1610 break; 1611 } 1612 case INTENT_FILTER_VERIFIED: { 1613 final int verificationId = msg.arg1; 1614 1615 final IntentFilterVerificationState state = mIntentFilterVerificationStates.get( 1616 verificationId); 1617 if (state == null) { 1618 Slog.w(TAG, "Invalid IntentFilter verification token " 1619 + verificationId + " received"); 1620 break; 1621 } 1622 1623 final int userId = state.getUserId(); 1624 1625 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1626 "Processing IntentFilter verification with token:" 1627 + verificationId + " and userId:" + userId); 1628 1629 final IntentFilterVerificationResponse response = 1630 (IntentFilterVerificationResponse) msg.obj; 1631 1632 state.setVerifierResponse(response.callerUid, response.code); 1633 1634 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1635 "IntentFilter verification with token:" + verificationId 1636 + " and userId:" + userId 1637 + " is settings verifier response with response code:" 1638 + response.code); 1639 1640 if (response.code == PackageManager.INTENT_FILTER_VERIFICATION_FAILURE) { 1641 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Domains failing verification: " 1642 + response.getFailedDomainsString()); 1643 } 1644 1645 if (state.isVerificationComplete()) { 1646 mIntentFilterVerifier.receiveVerificationResponse(verificationId); 1647 } else { 1648 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1649 "IntentFilter verification with token:" + verificationId 1650 + " was not said to be complete"); 1651 } 1652 1653 break; 1654 } 1655 } 1656 } 1657 } 1658 1659 private void handlePackagePostInstall(PackageInstalledInfo res, boolean grantPermissions, 1660 boolean killApp, String[] grantedPermissions, 1661 IPackageInstallObserver2 installObserver) { 1662 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 1663 // Send the removed broadcasts 1664 if (res.removedInfo != null) { 1665 res.removedInfo.sendPackageRemovedBroadcasts(killApp); 1666 } 1667 1668 // Now that we successfully installed the package, grant runtime 1669 // permissions if requested before broadcasting the install. 1670 if (grantPermissions && res.pkg.applicationInfo.targetSdkVersion 1671 >= Build.VERSION_CODES.M) { 1672 grantRequestedRuntimePermissions(res.pkg, res.newUsers, grantedPermissions); 1673 } 1674 1675 final boolean update = res.removedInfo != null 1676 && res.removedInfo.removedPackage != null; 1677 1678 // If this is the first time we have child packages for a disabled privileged 1679 // app that had no children, we grant requested runtime permissions to the new 1680 // children if the parent on the system image had them already granted. 1681 if (res.pkg.parentPackage != null) { 1682 synchronized (mPackages) { 1683 grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw(res.pkg); 1684 } 1685 } 1686 1687 synchronized (mPackages) { 1688 mEphemeralApplicationRegistry.onPackageInstalledLPw(res.pkg); 1689 } 1690 1691 final String packageName = res.pkg.applicationInfo.packageName; 1692 Bundle extras = new Bundle(1); 1693 extras.putInt(Intent.EXTRA_UID, res.uid); 1694 1695 // Determine the set of users who are adding this package for 1696 // the first time vs. those who are seeing an update. 1697 int[] firstUsers = EMPTY_INT_ARRAY; 1698 int[] updateUsers = EMPTY_INT_ARRAY; 1699 if (res.origUsers == null || res.origUsers.length == 0) { 1700 firstUsers = res.newUsers; 1701 } else { 1702 for (int newUser : res.newUsers) { 1703 boolean isNew = true; 1704 for (int origUser : res.origUsers) { 1705 if (origUser == newUser) { 1706 isNew = false; 1707 break; 1708 } 1709 } 1710 if (isNew) { 1711 firstUsers = ArrayUtils.appendInt(firstUsers, newUser); 1712 } else { 1713 updateUsers = ArrayUtils.appendInt(updateUsers, newUser); 1714 } 1715 } 1716 } 1717 1718 // Send installed broadcasts if the install/update is not ephemeral 1719 if (!isEphemeral(res.pkg)) { 1720 mProcessLoggingHandler.invalidateProcessLoggingBaseApkHash(res.pkg.baseCodePath); 1721 1722 // Send added for users that see the package for the first time 1723 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1724 extras, 0 /*flags*/, null /*targetPackage*/, 1725 null /*finishedReceiver*/, firstUsers); 1726 1727 // Send added for users that don't see the package for the first time 1728 if (update) { 1729 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1730 } 1731 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1732 extras, 0 /*flags*/, null /*targetPackage*/, 1733 null /*finishedReceiver*/, updateUsers); 1734 1735 // Send replaced for users that don't see the package for the first time 1736 if (update) { 1737 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1738 packageName, extras, 0 /*flags*/, 1739 null /*targetPackage*/, null /*finishedReceiver*/, 1740 updateUsers); 1741 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1742 null /*package*/, null /*extras*/, 0 /*flags*/, 1743 packageName /*targetPackage*/, 1744 null /*finishedReceiver*/, updateUsers); 1745 } 1746 1747 // Send broadcast package appeared if forward locked/external for all users 1748 // treat asec-hosted packages like removable media on upgrade 1749 if (res.pkg.isForwardLocked() || isExternal(res.pkg)) { 1750 if (DEBUG_INSTALL) { 1751 Slog.i(TAG, "upgrading pkg " + res.pkg 1752 + " is ASEC-hosted -> AVAILABLE"); 1753 } 1754 final int[] uidArray = new int[]{res.pkg.applicationInfo.uid}; 1755 ArrayList<String> pkgList = new ArrayList<>(1); 1756 pkgList.add(packageName); 1757 sendResourcesChangedBroadcast(true, true, pkgList, uidArray, null); 1758 } 1759 } 1760 1761 // Work that needs to happen on first install within each user 1762 if (firstUsers != null && firstUsers.length > 0) { 1763 synchronized (mPackages) { 1764 for (int userId : firstUsers) { 1765 // If this app is a browser and it's newly-installed for some 1766 // users, clear any default-browser state in those users. The 1767 // app's nature doesn't depend on the user, so we can just check 1768 // its browser nature in any user and generalize. 1769 if (packageIsBrowser(packageName, userId)) { 1770 mSettings.setDefaultBrowserPackageNameLPw(null, userId); 1771 } 1772 1773 // We may also need to apply pending (restored) runtime 1774 // permission grants within these users. 1775 mSettings.applyPendingPermissionGrantsLPw(packageName, userId); 1776 } 1777 } 1778 } 1779 1780 // Log current value of "unknown sources" setting 1781 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1782 getUnknownSourcesSettings()); 1783 1784 // Force a gc to clear up things 1785 Runtime.getRuntime().gc(); 1786 1787 // Remove the replaced package's older resources safely now 1788 // We delete after a gc for applications on sdcard. 1789 if (res.removedInfo != null && res.removedInfo.args != null) { 1790 synchronized (mInstallLock) { 1791 res.removedInfo.args.doPostDeleteLI(true); 1792 } 1793 } 1794 } 1795 1796 // If someone is watching installs - notify them 1797 if (installObserver != null) { 1798 try { 1799 Bundle extras = extrasForInstallResult(res); 1800 installObserver.onPackageInstalled(res.name, res.returnCode, 1801 res.returnMsg, extras); 1802 } catch (RemoteException e) { 1803 Slog.i(TAG, "Observer no longer exists."); 1804 } 1805 } 1806 } 1807 1808 private void grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw( 1809 PackageParser.Package pkg) { 1810 if (pkg.parentPackage == null) { 1811 return; 1812 } 1813 if (pkg.requestedPermissions == null) { 1814 return; 1815 } 1816 final PackageSetting disabledSysParentPs = mSettings 1817 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 1818 if (disabledSysParentPs == null || disabledSysParentPs.pkg == null 1819 || !disabledSysParentPs.isPrivileged() 1820 || (disabledSysParentPs.childPackageNames != null 1821 && !disabledSysParentPs.childPackageNames.isEmpty())) { 1822 return; 1823 } 1824 final int[] allUserIds = sUserManager.getUserIds(); 1825 final int permCount = pkg.requestedPermissions.size(); 1826 for (int i = 0; i < permCount; i++) { 1827 String permission = pkg.requestedPermissions.get(i); 1828 BasePermission bp = mSettings.mPermissions.get(permission); 1829 if (bp == null || !(bp.isRuntime() || bp.isDevelopment())) { 1830 continue; 1831 } 1832 for (int userId : allUserIds) { 1833 if (disabledSysParentPs.getPermissionsState().hasRuntimePermission( 1834 permission, userId)) { 1835 grantRuntimePermission(pkg.packageName, permission, userId); 1836 } 1837 } 1838 } 1839 } 1840 1841 private StorageEventListener mStorageListener = new StorageEventListener() { 1842 @Override 1843 public void onVolumeStateChanged(VolumeInfo vol, int oldState, int newState) { 1844 if (vol.type == VolumeInfo.TYPE_PRIVATE) { 1845 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1846 final String volumeUuid = vol.getFsUuid(); 1847 1848 // Clean up any users or apps that were removed or recreated 1849 // while this volume was missing 1850 reconcileUsers(volumeUuid); 1851 reconcileApps(volumeUuid); 1852 1853 // Clean up any install sessions that expired or were 1854 // cancelled while this volume was missing 1855 mInstallerService.onPrivateVolumeMounted(volumeUuid); 1856 1857 loadPrivatePackages(vol); 1858 1859 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1860 unloadPrivatePackages(vol); 1861 } 1862 } 1863 1864 if (vol.type == VolumeInfo.TYPE_PUBLIC && vol.isPrimary()) { 1865 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1866 updateExternalMediaStatus(true, false); 1867 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1868 updateExternalMediaStatus(false, false); 1869 } 1870 } 1871 } 1872 1873 @Override 1874 public void onVolumeForgotten(String fsUuid) { 1875 if (TextUtils.isEmpty(fsUuid)) { 1876 Slog.e(TAG, "Forgetting internal storage is probably a mistake; ignoring"); 1877 return; 1878 } 1879 1880 // Remove any apps installed on the forgotten volume 1881 synchronized (mPackages) { 1882 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(fsUuid); 1883 for (PackageSetting ps : packages) { 1884 Slog.d(TAG, "Destroying " + ps.name + " because volume was forgotten"); 1885 deletePackage(ps.name, new LegacyPackageDeleteObserver(null).getBinder(), 1886 UserHandle.USER_SYSTEM, PackageManager.DELETE_ALL_USERS); 1887 } 1888 1889 mSettings.onVolumeForgotten(fsUuid); 1890 mSettings.writeLPr(); 1891 } 1892 } 1893 }; 1894 1895 private void grantRequestedRuntimePermissions(PackageParser.Package pkg, int[] userIds, 1896 String[] grantedPermissions) { 1897 for (int userId : userIds) { 1898 grantRequestedRuntimePermissionsForUser(pkg, userId, grantedPermissions); 1899 } 1900 1901 // We could have touched GID membership, so flush out packages.list 1902 synchronized (mPackages) { 1903 mSettings.writePackageListLPr(); 1904 } 1905 } 1906 1907 private void grantRequestedRuntimePermissionsForUser(PackageParser.Package pkg, int userId, 1908 String[] grantedPermissions) { 1909 SettingBase sb = (SettingBase) pkg.mExtras; 1910 if (sb == null) { 1911 return; 1912 } 1913 1914 PermissionsState permissionsState = sb.getPermissionsState(); 1915 1916 final int immutableFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 1917 | PackageManager.FLAG_PERMISSION_POLICY_FIXED; 1918 1919 synchronized (mPackages) { 1920 for (String permission : pkg.requestedPermissions) { 1921 BasePermission bp = mSettings.mPermissions.get(permission); 1922 if (bp != null && (bp.isRuntime() || bp.isDevelopment()) 1923 && (grantedPermissions == null 1924 || ArrayUtils.contains(grantedPermissions, permission))) { 1925 final int flags = permissionsState.getPermissionFlags(permission, userId); 1926 // Installer cannot change immutable permissions. 1927 if ((flags & immutableFlags) == 0) { 1928 grantRuntimePermission(pkg.packageName, permission, userId); 1929 } 1930 } 1931 } 1932 } 1933 } 1934 1935 Bundle extrasForInstallResult(PackageInstalledInfo res) { 1936 Bundle extras = null; 1937 switch (res.returnCode) { 1938 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 1939 extras = new Bundle(); 1940 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 1941 res.origPermission); 1942 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 1943 res.origPackage); 1944 break; 1945 } 1946 case PackageManager.INSTALL_SUCCEEDED: { 1947 extras = new Bundle(); 1948 extras.putBoolean(Intent.EXTRA_REPLACING, 1949 res.removedInfo != null && res.removedInfo.removedPackage != null); 1950 break; 1951 } 1952 } 1953 return extras; 1954 } 1955 1956 void scheduleWriteSettingsLocked() { 1957 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 1958 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 1959 } 1960 } 1961 1962 void scheduleWritePackageRestrictionsLocked(UserHandle user) { 1963 final int userId = user == null ? UserHandle.USER_ALL : user.getIdentifier(); 1964 scheduleWritePackageRestrictionsLocked(userId); 1965 } 1966 1967 void scheduleWritePackageRestrictionsLocked(int userId) { 1968 final int[] userIds = (userId == UserHandle.USER_ALL) 1969 ? sUserManager.getUserIds() : new int[]{userId}; 1970 for (int nextUserId : userIds) { 1971 if (!sUserManager.exists(nextUserId)) return; 1972 mDirtyUsers.add(nextUserId); 1973 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 1974 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 1975 } 1976 } 1977 } 1978 1979 public static PackageManagerService main(Context context, Installer installer, 1980 boolean factoryTest, boolean onlyCore) { 1981 // Self-check for initial settings. 1982 PackageManagerServiceCompilerMapping.checkProperties(); 1983 1984 PackageManagerService m = new PackageManagerService(context, installer, 1985 factoryTest, onlyCore); 1986 m.enableSystemUserPackages(); 1987 ServiceManager.addService("package", m); 1988 return m; 1989 } 1990 1991 private void enableSystemUserPackages() { 1992 if (!UserManager.isSplitSystemUser()) { 1993 return; 1994 } 1995 // For system user, enable apps based on the following conditions: 1996 // - app is whitelisted or belong to one of these groups: 1997 // -- system app which has no launcher icons 1998 // -- system app which has INTERACT_ACROSS_USERS permission 1999 // -- system IME app 2000 // - app is not in the blacklist 2001 AppsQueryHelper queryHelper = new AppsQueryHelper(this); 2002 Set<String> enableApps = new ArraySet<>(); 2003 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_NON_LAUNCHABLE_APPS 2004 | AppsQueryHelper.GET_APPS_WITH_INTERACT_ACROSS_USERS_PERM 2005 | AppsQueryHelper.GET_IMES, /* systemAppsOnly */ true, UserHandle.SYSTEM)); 2006 ArraySet<String> wlApps = SystemConfig.getInstance().getSystemUserWhitelistedApps(); 2007 enableApps.addAll(wlApps); 2008 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_REQUIRED_FOR_SYSTEM_USER, 2009 /* systemAppsOnly */ false, UserHandle.SYSTEM)); 2010 ArraySet<String> blApps = SystemConfig.getInstance().getSystemUserBlacklistedApps(); 2011 enableApps.removeAll(blApps); 2012 Log.i(TAG, "Applications installed for system user: " + enableApps); 2013 List<String> allAps = queryHelper.queryApps(0, /* systemAppsOnly */ false, 2014 UserHandle.SYSTEM); 2015 final int allAppsSize = allAps.size(); 2016 synchronized (mPackages) { 2017 for (int i = 0; i < allAppsSize; i++) { 2018 String pName = allAps.get(i); 2019 PackageSetting pkgSetting = mSettings.mPackages.get(pName); 2020 // Should not happen, but we shouldn't be failing if it does 2021 if (pkgSetting == null) { 2022 continue; 2023 } 2024 boolean install = enableApps.contains(pName); 2025 if (pkgSetting.getInstalled(UserHandle.USER_SYSTEM) != install) { 2026 Log.i(TAG, (install ? "Installing " : "Uninstalling ") + pName 2027 + " for system user"); 2028 pkgSetting.setInstalled(install, UserHandle.USER_SYSTEM); 2029 } 2030 } 2031 } 2032 } 2033 2034 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 2035 DisplayManager displayManager = (DisplayManager) context.getSystemService( 2036 Context.DISPLAY_SERVICE); 2037 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 2038 } 2039 2040 public PackageManagerService(Context context, Installer installer, 2041 boolean factoryTest, boolean onlyCore) { 2042 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 2043 SystemClock.uptimeMillis()); 2044 2045 if (mSdkVersion <= 0) { 2046 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 2047 } 2048 2049 mContext = context; 2050 mFactoryTest = factoryTest; 2051 mOnlyCore = onlyCore; 2052 mMetrics = new DisplayMetrics(); 2053 mSettings = new Settings(mPackages); 2054 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 2055 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2056 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 2057 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2058 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 2059 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2060 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 2061 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2062 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 2063 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2064 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 2065 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2066 2067 String separateProcesses = SystemProperties.get("debug.separate_processes"); 2068 if (separateProcesses != null && separateProcesses.length() > 0) { 2069 if ("*".equals(separateProcesses)) { 2070 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 2071 mSeparateProcesses = null; 2072 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 2073 } else { 2074 mDefParseFlags = 0; 2075 mSeparateProcesses = separateProcesses.split(","); 2076 Slog.w(TAG, "Running with debug.separate_processes: " 2077 + separateProcesses); 2078 } 2079 } else { 2080 mDefParseFlags = 0; 2081 mSeparateProcesses = null; 2082 } 2083 2084 mInstaller = installer; 2085 mPackageDexOptimizer = new PackageDexOptimizer(installer, mInstallLock, context, 2086 "*dexopt*"); 2087 mMoveCallbacks = new MoveCallbacks(FgThread.get().getLooper()); 2088 2089 mOnPermissionChangeListeners = new OnPermissionChangeListeners( 2090 FgThread.get().getLooper()); 2091 2092 getDefaultDisplayMetrics(context, mMetrics); 2093 2094 SystemConfig systemConfig = SystemConfig.getInstance(); 2095 mGlobalGids = systemConfig.getGlobalGids(); 2096 mSystemPermissions = systemConfig.getSystemPermissions(); 2097 mAvailableFeatures = systemConfig.getAvailableFeatures(); 2098 2099 synchronized (mInstallLock) { 2100 // writer 2101 synchronized (mPackages) { 2102 mHandlerThread = new ServiceThread(TAG, 2103 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 2104 mHandlerThread.start(); 2105 mHandler = new PackageHandler(mHandlerThread.getLooper()); 2106 mProcessLoggingHandler = new ProcessLoggingHandler(); 2107 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 2108 2109 File dataDir = Environment.getDataDirectory(); 2110 mAppInstallDir = new File(dataDir, "app"); 2111 mAppLib32InstallDir = new File(dataDir, "app-lib"); 2112 mEphemeralInstallDir = new File(dataDir, "app-ephemeral"); 2113 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 2114 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 2115 2116 sUserManager = new UserManagerService(context, this, mPackages); 2117 2118 // Propagate permission configuration in to package manager. 2119 ArrayMap<String, SystemConfig.PermissionEntry> permConfig 2120 = systemConfig.getPermissions(); 2121 for (int i=0; i<permConfig.size(); i++) { 2122 SystemConfig.PermissionEntry perm = permConfig.valueAt(i); 2123 BasePermission bp = mSettings.mPermissions.get(perm.name); 2124 if (bp == null) { 2125 bp = new BasePermission(perm.name, "android", BasePermission.TYPE_BUILTIN); 2126 mSettings.mPermissions.put(perm.name, bp); 2127 } 2128 if (perm.gids != null) { 2129 bp.setGids(perm.gids, perm.perUser); 2130 } 2131 } 2132 2133 ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries(); 2134 for (int i=0; i<libConfig.size(); i++) { 2135 mSharedLibraries.put(libConfig.keyAt(i), 2136 new SharedLibraryEntry(libConfig.valueAt(i), null)); 2137 } 2138 2139 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 2140 2141 mRestoredSettings = mSettings.readLPw(sUserManager.getUsers(false)); 2142 2143 String customResolverActivity = Resources.getSystem().getString( 2144 R.string.config_customResolverActivity); 2145 if (TextUtils.isEmpty(customResolverActivity)) { 2146 customResolverActivity = null; 2147 } else { 2148 mCustomResolverComponentName = ComponentName.unflattenFromString( 2149 customResolverActivity); 2150 } 2151 2152 long startTime = SystemClock.uptimeMillis(); 2153 2154 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 2155 startTime); 2156 2157 // Set flag to monitor and not change apk file paths when 2158 // scanning install directories. 2159 final int scanFlags = SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING | SCAN_INITIAL; 2160 2161 final String bootClassPath = System.getenv("BOOTCLASSPATH"); 2162 final String systemServerClassPath = System.getenv("SYSTEMSERVERCLASSPATH"); 2163 2164 if (bootClassPath == null) { 2165 Slog.w(TAG, "No BOOTCLASSPATH found!"); 2166 } 2167 2168 if (systemServerClassPath == null) { 2169 Slog.w(TAG, "No SYSTEMSERVERCLASSPATH found!"); 2170 } 2171 2172 final List<String> allInstructionSets = InstructionSets.getAllInstructionSets(); 2173 final String[] dexCodeInstructionSets = 2174 getDexCodeInstructionSets( 2175 allInstructionSets.toArray(new String[allInstructionSets.size()])); 2176 2177 /** 2178 * Ensure all external libraries have had dexopt run on them. 2179 */ 2180 if (mSharedLibraries.size() > 0) { 2181 // NOTE: For now, we're compiling these system "shared libraries" 2182 // (and framework jars) into all available architectures. It's possible 2183 // to compile them only when we come across an app that uses them (there's 2184 // already logic for that in scanPackageLI) but that adds some complexity. 2185 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 2186 for (SharedLibraryEntry libEntry : mSharedLibraries.values()) { 2187 final String lib = libEntry.path; 2188 if (lib == null) { 2189 continue; 2190 } 2191 2192 try { 2193 // Shared libraries do not have profiles so we perform a full 2194 // AOT compilation (if needed). 2195 int dexoptNeeded = DexFile.getDexOptNeeded( 2196 lib, dexCodeInstructionSet, 2197 getCompilerFilterForReason(REASON_SHARED_APK), 2198 false /* newProfile */); 2199 if (dexoptNeeded != DexFile.NO_DEXOPT_NEEDED) { 2200 mInstaller.dexopt(lib, Process.SYSTEM_UID, dexCodeInstructionSet, 2201 dexoptNeeded, DEXOPT_PUBLIC /*dexFlags*/, 2202 getCompilerFilterForReason(REASON_SHARED_APK), 2203 StorageManager.UUID_PRIVATE_INTERNAL); 2204 } 2205 } catch (FileNotFoundException e) { 2206 Slog.w(TAG, "Library not found: " + lib); 2207 } catch (IOException | InstallerException e) { 2208 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 2209 + e.getMessage()); 2210 } 2211 } 2212 } 2213 } 2214 2215 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 2216 2217 final VersionInfo ver = mSettings.getInternalVersion(); 2218 mIsUpgrade = !Build.FINGERPRINT.equals(ver.fingerprint); 2219 2220 // when upgrading from pre-M, promote system app permissions from install to runtime 2221 mPromoteSystemApps = 2222 mIsUpgrade && ver.sdkVersion <= Build.VERSION_CODES.LOLLIPOP_MR1; 2223 2224 // save off the names of pre-existing system packages prior to scanning; we don't 2225 // want to automatically grant runtime permissions for new system apps 2226 if (mPromoteSystemApps) { 2227 Iterator<PackageSetting> pkgSettingIter = mSettings.mPackages.values().iterator(); 2228 while (pkgSettingIter.hasNext()) { 2229 PackageSetting ps = pkgSettingIter.next(); 2230 if (isSystemApp(ps)) { 2231 mExistingSystemPackages.add(ps.name); 2232 } 2233 } 2234 } 2235 2236 // When upgrading from pre-N, we need to handle package extraction like first boot, 2237 // as there is no profiling data available. 2238 mIsPreNUpgrade = !mSettings.isNWorkDone(); 2239 mSettings.setNWorkDone(); 2240 2241 // Collect vendor overlay packages. 2242 // (Do this before scanning any apps.) 2243 // For security and version matching reason, only consider 2244 // overlay packages if they reside in VENDOR_OVERLAY_DIR. 2245 File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR); 2246 scanDirTracedLI(vendorOverlayDir, PackageParser.PARSE_IS_SYSTEM 2247 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 2248 2249 // Find base frameworks (resource packages without code). 2250 scanDirTracedLI(frameworkDir, PackageParser.PARSE_IS_SYSTEM 2251 | PackageParser.PARSE_IS_SYSTEM_DIR 2252 | PackageParser.PARSE_IS_PRIVILEGED, 2253 scanFlags | SCAN_NO_DEX, 0); 2254 2255 // Collected privileged system packages. 2256 final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 2257 scanDirTracedLI(privilegedAppDir, PackageParser.PARSE_IS_SYSTEM 2258 | PackageParser.PARSE_IS_SYSTEM_DIR 2259 | PackageParser.PARSE_IS_PRIVILEGED, scanFlags, 0); 2260 2261 // Collect ordinary system packages. 2262 final File systemAppDir = new File(Environment.getRootDirectory(), "app"); 2263 scanDirTracedLI(systemAppDir, PackageParser.PARSE_IS_SYSTEM 2264 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2265 2266 // Collect all vendor packages. 2267 File vendorAppDir = new File("/vendor/app"); 2268 try { 2269 vendorAppDir = vendorAppDir.getCanonicalFile(); 2270 } catch (IOException e) { 2271 // failed to look up canonical path, continue with original one 2272 } 2273 scanDirTracedLI(vendorAppDir, PackageParser.PARSE_IS_SYSTEM 2274 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2275 2276 // Collect all OEM packages. 2277 final File oemAppDir = new File(Environment.getOemDirectory(), "app"); 2278 scanDirTracedLI(oemAppDir, PackageParser.PARSE_IS_SYSTEM 2279 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2280 2281 // Prune any system packages that no longer exist. 2282 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 2283 if (!mOnlyCore) { 2284 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 2285 while (psit.hasNext()) { 2286 PackageSetting ps = psit.next(); 2287 2288 /* 2289 * If this is not a system app, it can't be a 2290 * disable system app. 2291 */ 2292 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 2293 continue; 2294 } 2295 2296 /* 2297 * If the package is scanned, it's not erased. 2298 */ 2299 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 2300 if (scannedPkg != null) { 2301 /* 2302 * If the system app is both scanned and in the 2303 * disabled packages list, then it must have been 2304 * added via OTA. Remove it from the currently 2305 * scanned package so the previously user-installed 2306 * application can be scanned. 2307 */ 2308 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 2309 logCriticalInfo(Log.WARN, "Expecting better updated system app for " 2310 + ps.name + "; removing system app. Last known codePath=" 2311 + ps.codePathString + ", installStatus=" + ps.installStatus 2312 + ", versionCode=" + ps.versionCode + "; scanned versionCode=" 2313 + scannedPkg.mVersionCode); 2314 removePackageLI(scannedPkg, true); 2315 mExpectingBetter.put(ps.name, ps.codePath); 2316 } 2317 2318 continue; 2319 } 2320 2321 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 2322 psit.remove(); 2323 logCriticalInfo(Log.WARN, "System package " + ps.name 2324 + " no longer exists; wiping its data"); 2325 removeDataDirsLI(null, ps.name); 2326 } else { 2327 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 2328 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 2329 possiblyDeletedUpdatedSystemApps.add(ps.name); 2330 } 2331 } 2332 } 2333 } 2334 2335 //look for any incomplete package installations 2336 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 2337 //clean up list 2338 for(int i = 0; i < deletePkgsList.size(); i++) { 2339 //clean up here 2340 cleanupInstallFailedPackage(deletePkgsList.get(i)); 2341 } 2342 //delete tmp files 2343 deleteTempPackageFiles(); 2344 2345 // Remove any shared userIDs that have no associated packages 2346 mSettings.pruneSharedUsersLPw(); 2347 2348 if (!mOnlyCore) { 2349 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 2350 SystemClock.uptimeMillis()); 2351 scanDirTracedLI(mAppInstallDir, 0, scanFlags | SCAN_REQUIRE_KNOWN, 0); 2352 2353 scanDirTracedLI(mDrmAppPrivateInstallDir, PackageParser.PARSE_FORWARD_LOCK, 2354 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2355 2356 scanDirLI(mEphemeralInstallDir, PackageParser.PARSE_IS_EPHEMERAL, 2357 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2358 2359 /** 2360 * Remove disable package settings for any updated system 2361 * apps that were removed via an OTA. If they're not a 2362 * previously-updated app, remove them completely. 2363 * Otherwise, just revoke their system-level permissions. 2364 */ 2365 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 2366 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 2367 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 2368 2369 String msg; 2370 if (deletedPkg == null) { 2371 msg = "Updated system package " + deletedAppName 2372 + " no longer exists; wiping its data"; 2373 removeDataDirsLI(null, deletedAppName); 2374 } else { 2375 msg = "Updated system app + " + deletedAppName 2376 + " no longer present; removing system privileges for " 2377 + deletedAppName; 2378 2379 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 2380 2381 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 2382 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 2383 } 2384 logCriticalInfo(Log.WARN, msg); 2385 } 2386 2387 /** 2388 * Make sure all system apps that we expected to appear on 2389 * the userdata partition actually showed up. If they never 2390 * appeared, crawl back and revive the system version. 2391 */ 2392 for (int i = 0; i < mExpectingBetter.size(); i++) { 2393 final String packageName = mExpectingBetter.keyAt(i); 2394 if (!mPackages.containsKey(packageName)) { 2395 final File scanFile = mExpectingBetter.valueAt(i); 2396 2397 logCriticalInfo(Log.WARN, "Expected better " + packageName 2398 + " but never showed up; reverting to system"); 2399 2400 final int reparseFlags; 2401 if (FileUtils.contains(privilegedAppDir, scanFile)) { 2402 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2403 | PackageParser.PARSE_IS_SYSTEM_DIR 2404 | PackageParser.PARSE_IS_PRIVILEGED; 2405 } else if (FileUtils.contains(systemAppDir, scanFile)) { 2406 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2407 | PackageParser.PARSE_IS_SYSTEM_DIR; 2408 } else if (FileUtils.contains(vendorAppDir, scanFile)) { 2409 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2410 | PackageParser.PARSE_IS_SYSTEM_DIR; 2411 } else if (FileUtils.contains(oemAppDir, scanFile)) { 2412 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2413 | PackageParser.PARSE_IS_SYSTEM_DIR; 2414 } else { 2415 Slog.e(TAG, "Ignoring unexpected fallback path " + scanFile); 2416 continue; 2417 } 2418 2419 mSettings.enableSystemPackageLPw(packageName); 2420 2421 try { 2422 scanPackageTracedLI(scanFile, reparseFlags, scanFlags, 0, null); 2423 } catch (PackageManagerException e) { 2424 Slog.e(TAG, "Failed to parse original system package: " 2425 + e.getMessage()); 2426 } 2427 } 2428 } 2429 } 2430 mExpectingBetter.clear(); 2431 2432 // Now that we know all of the shared libraries, update all clients to have 2433 // the correct library paths. 2434 updateAllSharedLibrariesLPw(); 2435 2436 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 2437 // NOTE: We ignore potential failures here during a system scan (like 2438 // the rest of the commands above) because there's precious little we 2439 // can do about it. A settings error is reported, though. 2440 adjustCpuAbisForSharedUserLPw(setting.packages, null /* scanned package */, 2441 false /* boot complete */); 2442 } 2443 2444 // Now that we know all the packages we are keeping, 2445 // read and update their last usage times. 2446 mPackageUsage.readLP(); 2447 2448 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 2449 SystemClock.uptimeMillis()); 2450 Slog.i(TAG, "Time to scan packages: " 2451 + ((SystemClock.uptimeMillis()-startTime)/1000f) 2452 + " seconds"); 2453 2454 // If the platform SDK has changed since the last time we booted, 2455 // we need to re-grant app permission to catch any new ones that 2456 // appear. This is really a hack, and means that apps can in some 2457 // cases get permissions that the user didn't initially explicitly 2458 // allow... it would be nice to have some better way to handle 2459 // this situation. 2460 int updateFlags = UPDATE_PERMISSIONS_ALL; 2461 if (ver.sdkVersion != mSdkVersion) { 2462 Slog.i(TAG, "Platform changed from " + ver.sdkVersion + " to " 2463 + mSdkVersion + "; regranting permissions for internal storage"); 2464 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 2465 } 2466 updatePermissionsLPw(null, null, StorageManager.UUID_PRIVATE_INTERNAL, updateFlags); 2467 ver.sdkVersion = mSdkVersion; 2468 2469 // If this is the first boot or an update from pre-M, and it is a normal 2470 // boot, then we need to initialize the default preferred apps across 2471 // all defined users. 2472 if (!onlyCore && (mPromoteSystemApps || !mRestoredSettings)) { 2473 for (UserInfo user : sUserManager.getUsers(true)) { 2474 mSettings.applyDefaultPreferredAppsLPw(this, user.id); 2475 applyFactoryDefaultBrowserLPw(user.id); 2476 primeDomainVerificationsLPw(user.id); 2477 } 2478 } 2479 2480 // Prepare storage for system user really early during boot, 2481 // since core system apps like SettingsProvider and SystemUI 2482 // can't wait for user to start 2483 final int storageFlags; 2484 if (StorageManager.isFileEncryptedNativeOrEmulated()) { 2485 storageFlags = StorageManager.FLAG_STORAGE_DE; 2486 } else { 2487 storageFlags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 2488 } 2489 reconcileAppsData(StorageManager.UUID_PRIVATE_INTERNAL, UserHandle.USER_SYSTEM, 2490 storageFlags); 2491 2492 // If this is first boot after an OTA, and a normal boot, then 2493 // we need to clear code cache directories. 2494 if (mIsUpgrade && !onlyCore) { 2495 Slog.i(TAG, "Build fingerprint changed; clearing code caches"); 2496 for (int i = 0; i < mSettings.mPackages.size(); i++) { 2497 final PackageSetting ps = mSettings.mPackages.valueAt(i); 2498 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, ps.volumeUuid)) { 2499 deleteCodeCacheDirsLI(ps.volumeUuid, ps.name); 2500 } 2501 } 2502 ver.fingerprint = Build.FINGERPRINT; 2503 } 2504 2505 checkDefaultBrowser(); 2506 2507 // clear only after permissions and other defaults have been updated 2508 mExistingSystemPackages.clear(); 2509 mPromoteSystemApps = false; 2510 2511 // All the changes are done during package scanning. 2512 ver.databaseVersion = Settings.CURRENT_DATABASE_VERSION; 2513 2514 // can downgrade to reader 2515 mSettings.writeLPr(); 2516 2517 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 2518 SystemClock.uptimeMillis()); 2519 2520 if (!mOnlyCore) { 2521 mRequiredVerifierPackage = getRequiredButNotReallyRequiredVerifierLPr(); 2522 mRequiredInstallerPackage = getRequiredInstallerLPr(); 2523 mIntentFilterVerifierComponent = getIntentFilterVerifierComponentNameLPr(); 2524 mIntentFilterVerifier = new IntentVerifierProxy(mContext, 2525 mIntentFilterVerifierComponent); 2526 } else { 2527 mRequiredVerifierPackage = null; 2528 mRequiredInstallerPackage = null; 2529 mIntentFilterVerifierComponent = null; 2530 mIntentFilterVerifier = null; 2531 } 2532 2533 mInstallerService = new PackageInstallerService(context, this); 2534 mSetupWizardPackage = getSetupWizardPackageName(); 2535 2536 final ComponentName ephemeralResolverComponent = getEphemeralResolverLPr(); 2537 final ComponentName ephemeralInstallerComponent = getEphemeralInstallerLPr(); 2538 // both the installer and resolver must be present to enable ephemeral 2539 if (ephemeralInstallerComponent != null && ephemeralResolverComponent != null) { 2540 if (DEBUG_EPHEMERAL) { 2541 Slog.i(TAG, "Ephemeral activated; resolver: " + ephemeralResolverComponent 2542 + " installer:" + ephemeralInstallerComponent); 2543 } 2544 mEphemeralResolverComponent = ephemeralResolverComponent; 2545 mEphemeralInstallerComponent = ephemeralInstallerComponent; 2546 setUpEphemeralInstallerActivityLP(mEphemeralInstallerComponent); 2547 mEphemeralResolverConnection = 2548 new EphemeralResolverConnection(mContext, mEphemeralResolverComponent); 2549 } else { 2550 if (DEBUG_EPHEMERAL) { 2551 final String missingComponent = 2552 (ephemeralResolverComponent == null) 2553 ? (ephemeralInstallerComponent == null) 2554 ? "resolver and installer" 2555 : "resolver" 2556 : "installer"; 2557 Slog.i(TAG, "Ephemeral deactivated; missing " + missingComponent); 2558 } 2559 mEphemeralResolverComponent = null; 2560 mEphemeralInstallerComponent = null; 2561 mEphemeralResolverConnection = null; 2562 } 2563 2564 mEphemeralApplicationRegistry = new EphemeralApplicationRegistry(this); 2565 } // synchronized (mPackages) 2566 } // synchronized (mInstallLock) 2567 2568 // Now after opening every single application zip, make sure they 2569 // are all flushed. Not really needed, but keeps things nice and 2570 // tidy. 2571 Runtime.getRuntime().gc(); 2572 2573 // The initial scanning above does many calls into installd while 2574 // holding the mPackages lock, but we're mostly interested in yelling 2575 // once we have a booted system. 2576 mInstaller.setWarnIfHeld(mPackages); 2577 2578 // Expose private service for system components to use. 2579 LocalServices.addService(PackageManagerInternal.class, new PackageManagerInternalImpl()); 2580 } 2581 2582 @Override 2583 public boolean isFirstBoot() { 2584 return !mRestoredSettings; 2585 } 2586 2587 @Override 2588 public boolean isOnlyCoreApps() { 2589 return mOnlyCore; 2590 } 2591 2592 @Override 2593 public boolean isUpgrade() { 2594 return mIsUpgrade; 2595 } 2596 2597 private @Nullable String getRequiredButNotReallyRequiredVerifierLPr() { 2598 final Intent intent = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 2599 2600 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 2601 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2602 UserHandle.USER_SYSTEM); 2603 if (matches.size() == 1) { 2604 return matches.get(0).getComponentInfo().packageName; 2605 } else { 2606 Log.e(TAG, "There should probably be exactly one verifier; found " + matches); 2607 return null; 2608 } 2609 } 2610 2611 private @NonNull String getRequiredInstallerLPr() { 2612 final Intent intent = new Intent(Intent.ACTION_INSTALL_PACKAGE); 2613 intent.addCategory(Intent.CATEGORY_DEFAULT); 2614 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2615 2616 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 2617 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2618 UserHandle.USER_SYSTEM); 2619 if (matches.size() == 1) { 2620 return matches.get(0).getComponentInfo().packageName; 2621 } else { 2622 throw new RuntimeException("There must be exactly one installer; found " + matches); 2623 } 2624 } 2625 2626 private @NonNull ComponentName getIntentFilterVerifierComponentNameLPr() { 2627 final Intent intent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 2628 2629 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 2630 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2631 UserHandle.USER_SYSTEM); 2632 ResolveInfo best = null; 2633 final int N = matches.size(); 2634 for (int i = 0; i < N; i++) { 2635 final ResolveInfo cur = matches.get(i); 2636 final String packageName = cur.getComponentInfo().packageName; 2637 if (checkPermission(android.Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 2638 packageName, UserHandle.USER_SYSTEM) != PackageManager.PERMISSION_GRANTED) { 2639 continue; 2640 } 2641 2642 if (best == null || cur.priority > best.priority) { 2643 best = cur; 2644 } 2645 } 2646 2647 if (best != null) { 2648 return best.getComponentInfo().getComponentName(); 2649 } else { 2650 throw new RuntimeException("There must be at least one intent filter verifier"); 2651 } 2652 } 2653 2654 private @Nullable ComponentName getEphemeralResolverLPr() { 2655 final String[] packageArray = 2656 mContext.getResources().getStringArray(R.array.config_ephemeralResolverPackage); 2657 if (packageArray.length == 0) { 2658 if (DEBUG_EPHEMERAL) { 2659 Slog.d(TAG, "Ephemeral resolver NOT found; empty package list"); 2660 } 2661 return null; 2662 } 2663 2664 final Intent resolverIntent = new Intent(Intent.ACTION_RESOLVE_EPHEMERAL_PACKAGE); 2665 final List<ResolveInfo> resolvers = queryIntentServicesInternal(resolverIntent, null, 2666 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2667 UserHandle.USER_SYSTEM); 2668 2669 final int N = resolvers.size(); 2670 if (N == 0) { 2671 if (DEBUG_EPHEMERAL) { 2672 Slog.d(TAG, "Ephemeral resolver NOT found; no matching intent filters"); 2673 } 2674 return null; 2675 } 2676 2677 final Set<String> possiblePackages = new ArraySet<>(Arrays.asList(packageArray)); 2678 for (int i = 0; i < N; i++) { 2679 final ResolveInfo info = resolvers.get(i); 2680 2681 if (info.serviceInfo == null) { 2682 continue; 2683 } 2684 2685 final String packageName = info.serviceInfo.packageName; 2686 if (!possiblePackages.contains(packageName)) { 2687 if (DEBUG_EPHEMERAL) { 2688 Slog.d(TAG, "Ephemeral resolver not in allowed package list;" 2689 + " pkg: " + packageName + ", info:" + info); 2690 } 2691 continue; 2692 } 2693 2694 if (DEBUG_EPHEMERAL) { 2695 Slog.v(TAG, "Ephemeral resolver found;" 2696 + " pkg: " + packageName + ", info:" + info); 2697 } 2698 return new ComponentName(packageName, info.serviceInfo.name); 2699 } 2700 if (DEBUG_EPHEMERAL) { 2701 Slog.v(TAG, "Ephemeral resolver NOT found"); 2702 } 2703 return null; 2704 } 2705 2706 private @Nullable ComponentName getEphemeralInstallerLPr() { 2707 final Intent intent = new Intent(Intent.ACTION_INSTALL_EPHEMERAL_PACKAGE); 2708 intent.addCategory(Intent.CATEGORY_DEFAULT); 2709 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2710 2711 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 2712 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2713 UserHandle.USER_SYSTEM); 2714 if (matches.size() == 0) { 2715 return null; 2716 } else if (matches.size() == 1) { 2717 return matches.get(0).getComponentInfo().getComponentName(); 2718 } else { 2719 throw new RuntimeException( 2720 "There must be at most one ephemeral installer; found " + matches); 2721 } 2722 } 2723 2724 private void primeDomainVerificationsLPw(int userId) { 2725 if (DEBUG_DOMAIN_VERIFICATION) { 2726 Slog.d(TAG, "Priming domain verifications in user " + userId); 2727 } 2728 2729 SystemConfig systemConfig = SystemConfig.getInstance(); 2730 ArraySet<String> packages = systemConfig.getLinkedApps(); 2731 ArraySet<String> domains = new ArraySet<String>(); 2732 2733 for (String packageName : packages) { 2734 PackageParser.Package pkg = mPackages.get(packageName); 2735 if (pkg != null) { 2736 if (!pkg.isSystemApp()) { 2737 Slog.w(TAG, "Non-system app '" + packageName + "' in sysconfig <app-link>"); 2738 continue; 2739 } 2740 2741 domains.clear(); 2742 for (PackageParser.Activity a : pkg.activities) { 2743 for (ActivityIntentInfo filter : a.intents) { 2744 if (hasValidDomains(filter)) { 2745 domains.addAll(filter.getHostsList()); 2746 } 2747 } 2748 } 2749 2750 if (domains.size() > 0) { 2751 if (DEBUG_DOMAIN_VERIFICATION) { 2752 Slog.v(TAG, " + " + packageName); 2753 } 2754 // 'Undefined' in the global IntentFilterVerificationInfo, i.e. the usual 2755 // state w.r.t. the formal app-linkage "no verification attempted" state; 2756 // and then 'always' in the per-user state actually used for intent resolution. 2757 final IntentFilterVerificationInfo ivi; 2758 ivi = mSettings.createIntentFilterVerificationIfNeededLPw(packageName, 2759 new ArrayList<String>(domains)); 2760 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED); 2761 mSettings.updateIntentFilterVerificationStatusLPw(packageName, 2762 INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, userId); 2763 } else { 2764 Slog.w(TAG, "Sysconfig <app-link> package '" + packageName 2765 + "' does not handle web links"); 2766 } 2767 } else { 2768 Slog.w(TAG, "Unknown package " + packageName + " in sysconfig <app-link>"); 2769 } 2770 } 2771 2772 scheduleWritePackageRestrictionsLocked(userId); 2773 scheduleWriteSettingsLocked(); 2774 } 2775 2776 private void applyFactoryDefaultBrowserLPw(int userId) { 2777 // The default browser app's package name is stored in a string resource, 2778 // with a product-specific overlay used for vendor customization. 2779 String browserPkg = mContext.getResources().getString( 2780 com.android.internal.R.string.default_browser); 2781 if (!TextUtils.isEmpty(browserPkg)) { 2782 // non-empty string => required to be a known package 2783 PackageSetting ps = mSettings.mPackages.get(browserPkg); 2784 if (ps == null) { 2785 Slog.e(TAG, "Product default browser app does not exist: " + browserPkg); 2786 browserPkg = null; 2787 } else { 2788 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 2789 } 2790 } 2791 2792 // Nothing valid explicitly set? Make the factory-installed browser the explicit 2793 // default. If there's more than one, just leave everything alone. 2794 if (browserPkg == null) { 2795 calculateDefaultBrowserLPw(userId); 2796 } 2797 } 2798 2799 private void calculateDefaultBrowserLPw(int userId) { 2800 List<String> allBrowsers = resolveAllBrowserApps(userId); 2801 final String browserPkg = (allBrowsers.size() == 1) ? allBrowsers.get(0) : null; 2802 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 2803 } 2804 2805 private List<String> resolveAllBrowserApps(int userId) { 2806 // Resolve the canonical browser intent and check that the handleAllWebDataURI boolean is set 2807 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 2808 PackageManager.MATCH_ALL, userId); 2809 2810 final int count = list.size(); 2811 List<String> result = new ArrayList<String>(count); 2812 for (int i=0; i<count; i++) { 2813 ResolveInfo info = list.get(i); 2814 if (info.activityInfo == null 2815 || !info.handleAllWebDataURI 2816 || (info.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 0 2817 || result.contains(info.activityInfo.packageName)) { 2818 continue; 2819 } 2820 result.add(info.activityInfo.packageName); 2821 } 2822 2823 return result; 2824 } 2825 2826 private boolean packageIsBrowser(String packageName, int userId) { 2827 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 2828 PackageManager.MATCH_ALL, userId); 2829 final int N = list.size(); 2830 for (int i = 0; i < N; i++) { 2831 ResolveInfo info = list.get(i); 2832 if (packageName.equals(info.activityInfo.packageName)) { 2833 return true; 2834 } 2835 } 2836 return false; 2837 } 2838 2839 private void checkDefaultBrowser() { 2840 final int myUserId = UserHandle.myUserId(); 2841 final String packageName = getDefaultBrowserPackageName(myUserId); 2842 if (packageName != null) { 2843 PackageInfo info = getPackageInfo(packageName, 0, myUserId); 2844 if (info == null) { 2845 Slog.w(TAG, "Default browser no longer installed: " + packageName); 2846 synchronized (mPackages) { 2847 applyFactoryDefaultBrowserLPw(myUserId); // leaves ambiguous when > 1 2848 } 2849 } 2850 } 2851 } 2852 2853 @Override 2854 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 2855 throws RemoteException { 2856 try { 2857 return super.onTransact(code, data, reply, flags); 2858 } catch (RuntimeException e) { 2859 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 2860 Slog.wtf(TAG, "Package Manager Crash", e); 2861 } 2862 throw e; 2863 } 2864 } 2865 2866 void cleanupInstallFailedPackage(PackageSetting ps) { 2867 logCriticalInfo(Log.WARN, "Cleaning up incompletely installed app: " + ps.name); 2868 2869 removeDataDirsLI(ps.volumeUuid, ps.name); 2870 if (ps.codePath != null) { 2871 removeCodePathLI(ps.codePath); 2872 } 2873 if (ps.resourcePath != null && !ps.resourcePath.equals(ps.codePath)) { 2874 if (ps.resourcePath.isDirectory()) { 2875 FileUtils.deleteContents(ps.resourcePath); 2876 } 2877 ps.resourcePath.delete(); 2878 } 2879 mSettings.removePackageLPw(ps.name); 2880 } 2881 2882 static int[] appendInts(int[] cur, int[] add) { 2883 if (add == null) return cur; 2884 if (cur == null) return add; 2885 final int N = add.length; 2886 for (int i=0; i<N; i++) { 2887 cur = appendInt(cur, add[i]); 2888 } 2889 return cur; 2890 } 2891 2892 private PackageInfo generatePackageInfo(PackageSetting ps, int flags, int userId) { 2893 if (!sUserManager.exists(userId)) return null; 2894 if (ps == null) { 2895 return null; 2896 } 2897 final PackageParser.Package p = ps.pkg; 2898 if (p == null) { 2899 return null; 2900 } 2901 2902 final PermissionsState permissionsState = ps.getPermissionsState(); 2903 2904 final int[] gids = permissionsState.computeGids(userId); 2905 final Set<String> permissions = permissionsState.getPermissions(userId); 2906 final PackageUserState state = ps.readUserState(userId); 2907 2908 return PackageParser.generatePackageInfo(p, gids, flags, 2909 ps.firstInstallTime, ps.lastUpdateTime, permissions, state, userId); 2910 } 2911 2912 @Override 2913 public void checkPackageStartable(String packageName, int userId) { 2914 final boolean userKeyUnlocked = isUserKeyUnlocked(userId); 2915 2916 synchronized (mPackages) { 2917 final PackageSetting ps = mSettings.mPackages.get(packageName); 2918 if (ps == null) { 2919 throw new SecurityException("Package " + packageName + " was not found!"); 2920 } 2921 2922 if (!ps.getInstalled(userId)) { 2923 throw new SecurityException( 2924 "Package " + packageName + " was not installed for user " + userId + "!"); 2925 } 2926 2927 if (mSafeMode && !ps.isSystem()) { 2928 throw new SecurityException("Package " + packageName + " not a system app!"); 2929 } 2930 2931 if (ps.frozen) { 2932 throw new SecurityException("Package " + packageName + " is currently frozen!"); 2933 } 2934 2935 if (!userKeyUnlocked && !(ps.pkg.applicationInfo.isDirectBootAware() 2936 || ps.pkg.applicationInfo.isPartiallyDirectBootAware())) { 2937 throw new SecurityException("Package " + packageName + " is not encryption aware!"); 2938 } 2939 } 2940 } 2941 2942 @Override 2943 public boolean isPackageAvailable(String packageName, int userId) { 2944 if (!sUserManager.exists(userId)) return false; 2945 enforceCrossUserPermission(Binder.getCallingUid(), userId, 2946 false /* requireFullPermission */, false /* checkShell */, "is package available"); 2947 synchronized (mPackages) { 2948 PackageParser.Package p = mPackages.get(packageName); 2949 if (p != null) { 2950 final PackageSetting ps = (PackageSetting) p.mExtras; 2951 if (ps != null) { 2952 final PackageUserState state = ps.readUserState(userId); 2953 if (state != null) { 2954 return PackageParser.isAvailable(state); 2955 } 2956 } 2957 } 2958 } 2959 return false; 2960 } 2961 2962 @Override 2963 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 2964 if (!sUserManager.exists(userId)) return null; 2965 flags = updateFlagsForPackage(flags, userId, packageName); 2966 enforceCrossUserPermission(Binder.getCallingUid(), userId, 2967 false /* requireFullPermission */, false /* checkShell */, "get package info"); 2968 // reader 2969 synchronized (mPackages) { 2970 final boolean matchFactoryOnly = (flags & MATCH_FACTORY_ONLY) != 0; 2971 PackageParser.Package p = null; 2972 if (matchFactoryOnly) { 2973 final PackageSetting ps = mSettings.getDisabledSystemPkgLPr(packageName); 2974 if (ps != null) { 2975 return generatePackageInfo(ps, flags, userId); 2976 } 2977 } 2978 if (p == null) { 2979 p = mPackages.get(packageName); 2980 if (matchFactoryOnly && !isSystemApp(p)) { 2981 return null; 2982 } 2983 } 2984 if (DEBUG_PACKAGE_INFO) 2985 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 2986 if (p != null) { 2987 return generatePackageInfo((PackageSetting)p.mExtras, flags, userId); 2988 } 2989 if (!matchFactoryOnly && (flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 2990 final PackageSetting ps = mSettings.mPackages.get(packageName); 2991 return generatePackageInfo(ps, flags, userId); 2992 } 2993 } 2994 return null; 2995 } 2996 2997 @Override 2998 public String[] currentToCanonicalPackageNames(String[] names) { 2999 String[] out = new String[names.length]; 3000 // reader 3001 synchronized (mPackages) { 3002 for (int i=names.length-1; i>=0; i--) { 3003 PackageSetting ps = mSettings.mPackages.get(names[i]); 3004 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 3005 } 3006 } 3007 return out; 3008 } 3009 3010 @Override 3011 public String[] canonicalToCurrentPackageNames(String[] names) { 3012 String[] out = new String[names.length]; 3013 // reader 3014 synchronized (mPackages) { 3015 for (int i=names.length-1; i>=0; i--) { 3016 String cur = mSettings.mRenamedPackages.get(names[i]); 3017 out[i] = cur != null ? cur : names[i]; 3018 } 3019 } 3020 return out; 3021 } 3022 3023 @Override 3024 public int getPackageUid(String packageName, int flags, int userId) { 3025 if (!sUserManager.exists(userId)) return -1; 3026 flags = updateFlagsForPackage(flags, userId, packageName); 3027 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3028 false /* requireFullPermission */, false /* checkShell */, "get package uid"); 3029 3030 // reader 3031 synchronized (mPackages) { 3032 final PackageParser.Package p = mPackages.get(packageName); 3033 if (p != null && p.isMatch(flags)) { 3034 return UserHandle.getUid(userId, p.applicationInfo.uid); 3035 } 3036 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3037 final PackageSetting ps = mSettings.mPackages.get(packageName); 3038 if (ps != null && ps.isMatch(flags)) { 3039 return UserHandle.getUid(userId, ps.appId); 3040 } 3041 } 3042 } 3043 3044 return -1; 3045 } 3046 3047 @Override 3048 public int[] getPackageGids(String packageName, int flags, int userId) { 3049 if (!sUserManager.exists(userId)) return null; 3050 flags = updateFlagsForPackage(flags, userId, packageName); 3051 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3052 false /* requireFullPermission */, false /* checkShell */, 3053 "getPackageGids"); 3054 3055 // reader 3056 synchronized (mPackages) { 3057 final PackageParser.Package p = mPackages.get(packageName); 3058 if (p != null && p.isMatch(flags)) { 3059 PackageSetting ps = (PackageSetting) p.mExtras; 3060 return ps.getPermissionsState().computeGids(userId); 3061 } 3062 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3063 final PackageSetting ps = mSettings.mPackages.get(packageName); 3064 if (ps != null && ps.isMatch(flags)) { 3065 return ps.getPermissionsState().computeGids(userId); 3066 } 3067 } 3068 } 3069 3070 return null; 3071 } 3072 3073 static PermissionInfo generatePermissionInfo(BasePermission bp, int flags) { 3074 if (bp.perm != null) { 3075 return PackageParser.generatePermissionInfo(bp.perm, flags); 3076 } 3077 PermissionInfo pi = new PermissionInfo(); 3078 pi.name = bp.name; 3079 pi.packageName = bp.sourcePackage; 3080 pi.nonLocalizedLabel = bp.name; 3081 pi.protectionLevel = bp.protectionLevel; 3082 return pi; 3083 } 3084 3085 @Override 3086 public PermissionInfo getPermissionInfo(String name, int flags) { 3087 // reader 3088 synchronized (mPackages) { 3089 final BasePermission p = mSettings.mPermissions.get(name); 3090 if (p != null) { 3091 return generatePermissionInfo(p, flags); 3092 } 3093 return null; 3094 } 3095 } 3096 3097 @Override 3098 public @Nullable ParceledListSlice<PermissionInfo> queryPermissionsByGroup(String group, 3099 int flags) { 3100 // reader 3101 synchronized (mPackages) { 3102 if (group != null && !mPermissionGroups.containsKey(group)) { 3103 // This is thrown as NameNotFoundException 3104 return null; 3105 } 3106 3107 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 3108 for (BasePermission p : mSettings.mPermissions.values()) { 3109 if (group == null) { 3110 if (p.perm == null || p.perm.info.group == null) { 3111 out.add(generatePermissionInfo(p, flags)); 3112 } 3113 } else { 3114 if (p.perm != null && group.equals(p.perm.info.group)) { 3115 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 3116 } 3117 } 3118 } 3119 return new ParceledListSlice<>(out); 3120 } 3121 } 3122 3123 @Override 3124 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 3125 // reader 3126 synchronized (mPackages) { 3127 return PackageParser.generatePermissionGroupInfo( 3128 mPermissionGroups.get(name), flags); 3129 } 3130 } 3131 3132 @Override 3133 public @NonNull ParceledListSlice<PermissionGroupInfo> getAllPermissionGroups(int flags) { 3134 // reader 3135 synchronized (mPackages) { 3136 final int N = mPermissionGroups.size(); 3137 ArrayList<PermissionGroupInfo> out 3138 = new ArrayList<PermissionGroupInfo>(N); 3139 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 3140 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 3141 } 3142 return new ParceledListSlice<>(out); 3143 } 3144 } 3145 3146 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 3147 int userId) { 3148 if (!sUserManager.exists(userId)) return null; 3149 PackageSetting ps = mSettings.mPackages.get(packageName); 3150 if (ps != null) { 3151 if (ps.pkg == null) { 3152 final PackageInfo pInfo = generatePackageInfo(ps, flags, userId); 3153 if (pInfo != null) { 3154 return pInfo.applicationInfo; 3155 } 3156 return null; 3157 } 3158 return PackageParser.generateApplicationInfo(ps.pkg, flags, 3159 ps.readUserState(userId), userId); 3160 } 3161 return null; 3162 } 3163 3164 @Override 3165 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 3166 if (!sUserManager.exists(userId)) return null; 3167 flags = updateFlagsForApplication(flags, userId, packageName); 3168 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3169 false /* requireFullPermission */, false /* checkShell */, "get application info"); 3170 // writer 3171 synchronized (mPackages) { 3172 PackageParser.Package p = mPackages.get(packageName); 3173 if (DEBUG_PACKAGE_INFO) Log.v( 3174 TAG, "getApplicationInfo " + packageName 3175 + ": " + p); 3176 if (p != null) { 3177 PackageSetting ps = mSettings.mPackages.get(packageName); 3178 if (ps == null) return null; 3179 // Note: isEnabledLP() does not apply here - always return info 3180 return PackageParser.generateApplicationInfo( 3181 p, flags, ps.readUserState(userId), userId); 3182 } 3183 if ("android".equals(packageName)||"system".equals(packageName)) { 3184 return mAndroidApplication; 3185 } 3186 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3187 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 3188 } 3189 } 3190 return null; 3191 } 3192 3193 @Override 3194 public void freeStorageAndNotify(final String volumeUuid, final long freeStorageSize, 3195 final IPackageDataObserver observer) { 3196 mContext.enforceCallingOrSelfPermission( 3197 android.Manifest.permission.CLEAR_APP_CACHE, null); 3198 // Queue up an async operation since clearing cache may take a little while. 3199 mHandler.post(new Runnable() { 3200 public void run() { 3201 mHandler.removeCallbacks(this); 3202 boolean success = true; 3203 synchronized (mInstallLock) { 3204 try { 3205 mInstaller.freeCache(volumeUuid, freeStorageSize); 3206 } catch (InstallerException e) { 3207 Slog.w(TAG, "Couldn't clear application caches: " + e); 3208 success = false; 3209 } 3210 } 3211 if (observer != null) { 3212 try { 3213 observer.onRemoveCompleted(null, success); 3214 } catch (RemoteException e) { 3215 Slog.w(TAG, "RemoveException when invoking call back"); 3216 } 3217 } 3218 } 3219 }); 3220 } 3221 3222 @Override 3223 public void freeStorage(final String volumeUuid, final long freeStorageSize, 3224 final IntentSender pi) { 3225 mContext.enforceCallingOrSelfPermission( 3226 android.Manifest.permission.CLEAR_APP_CACHE, null); 3227 // Queue up an async operation since clearing cache may take a little while. 3228 mHandler.post(new Runnable() { 3229 public void run() { 3230 mHandler.removeCallbacks(this); 3231 boolean success = true; 3232 synchronized (mInstallLock) { 3233 try { 3234 mInstaller.freeCache(volumeUuid, freeStorageSize); 3235 } catch (InstallerException e) { 3236 Slog.w(TAG, "Couldn't clear application caches: " + e); 3237 success = false; 3238 } 3239 } 3240 if(pi != null) { 3241 try { 3242 // Callback via pending intent 3243 int code = success ? 1 : 0; 3244 pi.sendIntent(null, code, null, 3245 null, null); 3246 } catch (SendIntentException e1) { 3247 Slog.i(TAG, "Failed to send pending intent"); 3248 } 3249 } 3250 } 3251 }); 3252 } 3253 3254 void freeStorage(String volumeUuid, long freeStorageSize) throws IOException { 3255 synchronized (mInstallLock) { 3256 try { 3257 mInstaller.freeCache(volumeUuid, freeStorageSize); 3258 } catch (InstallerException e) { 3259 throw new IOException("Failed to free enough space", e); 3260 } 3261 } 3262 } 3263 3264 /** 3265 * Return if the user key is currently unlocked. 3266 */ 3267 private boolean isUserKeyUnlocked(int userId) { 3268 if (StorageManager.isFileEncryptedNativeOrEmulated()) { 3269 final IMountService mount = IMountService.Stub 3270 .asInterface(ServiceManager.getService("mount")); 3271 if (mount == null) { 3272 Slog.w(TAG, "Early during boot, assuming locked"); 3273 return false; 3274 } 3275 final long token = Binder.clearCallingIdentity(); 3276 try { 3277 return mount.isUserKeyUnlocked(userId); 3278 } catch (RemoteException e) { 3279 throw e.rethrowAsRuntimeException(); 3280 } finally { 3281 Binder.restoreCallingIdentity(token); 3282 } 3283 } else { 3284 return true; 3285 } 3286 } 3287 3288 /** 3289 * Update given flags based on encryption status of current user. 3290 */ 3291 private int updateFlags(int flags, int userId) { 3292 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3293 | PackageManager.MATCH_DIRECT_BOOT_AWARE)) != 0) { 3294 // Caller expressed an explicit opinion about what encryption 3295 // aware/unaware components they want to see, so fall through and 3296 // give them what they want 3297 } else { 3298 // Caller expressed no opinion, so match based on user state 3299 if (isUserKeyUnlocked(userId)) { 3300 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE; 3301 } else { 3302 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE; 3303 } 3304 } 3305 return flags; 3306 } 3307 3308 /** 3309 * Update given flags when being used to request {@link PackageInfo}. 3310 */ 3311 private int updateFlagsForPackage(int flags, int userId, Object cookie) { 3312 boolean triaged = true; 3313 if ((flags & (PackageManager.GET_ACTIVITIES | PackageManager.GET_RECEIVERS 3314 | PackageManager.GET_SERVICES | PackageManager.GET_PROVIDERS)) != 0) { 3315 // Caller is asking for component details, so they'd better be 3316 // asking for specific encryption matching behavior, or be triaged 3317 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3318 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3319 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3320 triaged = false; 3321 } 3322 } 3323 if ((flags & (PackageManager.MATCH_UNINSTALLED_PACKAGES 3324 | PackageManager.MATCH_SYSTEM_ONLY 3325 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3326 triaged = false; 3327 } 3328 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3329 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3330 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3331 } 3332 return updateFlags(flags, userId); 3333 } 3334 3335 /** 3336 * Update given flags when being used to request {@link ApplicationInfo}. 3337 */ 3338 private int updateFlagsForApplication(int flags, int userId, Object cookie) { 3339 return updateFlagsForPackage(flags, userId, cookie); 3340 } 3341 3342 /** 3343 * Update given flags when being used to request {@link ComponentInfo}. 3344 */ 3345 private int updateFlagsForComponent(int flags, int userId, Object cookie) { 3346 if (cookie instanceof Intent) { 3347 if ((((Intent) cookie).getFlags() & Intent.FLAG_DEBUG_TRIAGED_MISSING) != 0) { 3348 flags |= PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 3349 } 3350 } 3351 3352 boolean triaged = true; 3353 // Caller is asking for component details, so they'd better be 3354 // asking for specific encryption matching behavior, or be triaged 3355 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3356 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3357 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3358 triaged = false; 3359 } 3360 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3361 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3362 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3363 } 3364 3365 return updateFlags(flags, userId); 3366 } 3367 3368 /** 3369 * Update given flags when being used to request {@link ResolveInfo}. 3370 */ 3371 int updateFlagsForResolve(int flags, int userId, Object cookie) { 3372 // Safe mode means we shouldn't match any third-party components 3373 if (mSafeMode) { 3374 flags |= PackageManager.MATCH_SYSTEM_ONLY; 3375 } 3376 3377 return updateFlagsForComponent(flags, userId, cookie); 3378 } 3379 3380 @Override 3381 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 3382 if (!sUserManager.exists(userId)) return null; 3383 flags = updateFlagsForComponent(flags, userId, component); 3384 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3385 false /* requireFullPermission */, false /* checkShell */, "get activity info"); 3386 synchronized (mPackages) { 3387 PackageParser.Activity a = mActivities.mActivities.get(component); 3388 3389 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 3390 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3391 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3392 if (ps == null) return null; 3393 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3394 userId); 3395 } 3396 if (mResolveComponentName.equals(component)) { 3397 return PackageParser.generateActivityInfo(mResolveActivity, flags, 3398 new PackageUserState(), userId); 3399 } 3400 } 3401 return null; 3402 } 3403 3404 @Override 3405 public boolean activitySupportsIntent(ComponentName component, Intent intent, 3406 String resolvedType) { 3407 synchronized (mPackages) { 3408 if (component.equals(mResolveComponentName)) { 3409 // The resolver supports EVERYTHING! 3410 return true; 3411 } 3412 PackageParser.Activity a = mActivities.mActivities.get(component); 3413 if (a == null) { 3414 return false; 3415 } 3416 for (int i=0; i<a.intents.size(); i++) { 3417 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 3418 intent.getData(), intent.getCategories(), TAG) >= 0) { 3419 return true; 3420 } 3421 } 3422 return false; 3423 } 3424 } 3425 3426 @Override 3427 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 3428 if (!sUserManager.exists(userId)) return null; 3429 flags = updateFlagsForComponent(flags, userId, component); 3430 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3431 false /* requireFullPermission */, false /* checkShell */, "get receiver info"); 3432 synchronized (mPackages) { 3433 PackageParser.Activity a = mReceivers.mActivities.get(component); 3434 if (DEBUG_PACKAGE_INFO) Log.v( 3435 TAG, "getReceiverInfo " + component + ": " + a); 3436 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3437 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3438 if (ps == null) return null; 3439 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3440 userId); 3441 } 3442 } 3443 return null; 3444 } 3445 3446 @Override 3447 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 3448 if (!sUserManager.exists(userId)) return null; 3449 flags = updateFlagsForComponent(flags, userId, component); 3450 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3451 false /* requireFullPermission */, false /* checkShell */, "get service info"); 3452 synchronized (mPackages) { 3453 PackageParser.Service s = mServices.mServices.get(component); 3454 if (DEBUG_PACKAGE_INFO) Log.v( 3455 TAG, "getServiceInfo " + component + ": " + s); 3456 if (s != null && mSettings.isEnabledAndMatchLPr(s.info, flags, userId)) { 3457 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3458 if (ps == null) return null; 3459 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 3460 userId); 3461 } 3462 } 3463 return null; 3464 } 3465 3466 @Override 3467 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 3468 if (!sUserManager.exists(userId)) return null; 3469 flags = updateFlagsForComponent(flags, userId, component); 3470 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3471 false /* requireFullPermission */, false /* checkShell */, "get provider info"); 3472 synchronized (mPackages) { 3473 PackageParser.Provider p = mProviders.mProviders.get(component); 3474 if (DEBUG_PACKAGE_INFO) Log.v( 3475 TAG, "getProviderInfo " + component + ": " + p); 3476 if (p != null && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 3477 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3478 if (ps == null) return null; 3479 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 3480 userId); 3481 } 3482 } 3483 return null; 3484 } 3485 3486 @Override 3487 public String[] getSystemSharedLibraryNames() { 3488 Set<String> libSet; 3489 synchronized (mPackages) { 3490 libSet = mSharedLibraries.keySet(); 3491 int size = libSet.size(); 3492 if (size > 0) { 3493 String[] libs = new String[size]; 3494 libSet.toArray(libs); 3495 return libs; 3496 } 3497 } 3498 return null; 3499 } 3500 3501 @Override 3502 public @Nullable String getServicesSystemSharedLibraryPackageName() { 3503 synchronized (mPackages) { 3504 SharedLibraryEntry libraryEntry = mSharedLibraries.get( 3505 PackageManager.SYSTEM_SHARED_LIBRARY_SERVICES); 3506 if (libraryEntry != null) { 3507 return libraryEntry.apk; 3508 } 3509 } 3510 return null; 3511 } 3512 3513 @Override 3514 public @NonNull ParceledListSlice<FeatureInfo> getSystemAvailableFeatures() { 3515 synchronized (mPackages) { 3516 final ArrayList<FeatureInfo> res = new ArrayList<>(mAvailableFeatures.values()); 3517 3518 final FeatureInfo fi = new FeatureInfo(); 3519 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 3520 FeatureInfo.GL_ES_VERSION_UNDEFINED); 3521 res.add(fi); 3522 3523 return new ParceledListSlice<>(res); 3524 } 3525 } 3526 3527 @Override 3528 public boolean hasSystemFeature(String name, int version) { 3529 synchronized (mPackages) { 3530 final FeatureInfo feat = mAvailableFeatures.get(name); 3531 if (feat == null) { 3532 return false; 3533 } else { 3534 return feat.version >= version; 3535 } 3536 } 3537 } 3538 3539 @Override 3540 public int checkPermission(String permName, String pkgName, int userId) { 3541 if (!sUserManager.exists(userId)) { 3542 return PackageManager.PERMISSION_DENIED; 3543 } 3544 3545 synchronized (mPackages) { 3546 final PackageParser.Package p = mPackages.get(pkgName); 3547 if (p != null && p.mExtras != null) { 3548 final PackageSetting ps = (PackageSetting) p.mExtras; 3549 final PermissionsState permissionsState = ps.getPermissionsState(); 3550 if (permissionsState.hasPermission(permName, userId)) { 3551 return PackageManager.PERMISSION_GRANTED; 3552 } 3553 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3554 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3555 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3556 return PackageManager.PERMISSION_GRANTED; 3557 } 3558 } 3559 } 3560 3561 return PackageManager.PERMISSION_DENIED; 3562 } 3563 3564 @Override 3565 public int checkUidPermission(String permName, int uid) { 3566 final int userId = UserHandle.getUserId(uid); 3567 3568 if (!sUserManager.exists(userId)) { 3569 return PackageManager.PERMISSION_DENIED; 3570 } 3571 3572 synchronized (mPackages) { 3573 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 3574 if (obj != null) { 3575 final SettingBase ps = (SettingBase) obj; 3576 final PermissionsState permissionsState = ps.getPermissionsState(); 3577 if (permissionsState.hasPermission(permName, userId)) { 3578 return PackageManager.PERMISSION_GRANTED; 3579 } 3580 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3581 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3582 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3583 return PackageManager.PERMISSION_GRANTED; 3584 } 3585 } else { 3586 ArraySet<String> perms = mSystemPermissions.get(uid); 3587 if (perms != null) { 3588 if (perms.contains(permName)) { 3589 return PackageManager.PERMISSION_GRANTED; 3590 } 3591 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && perms 3592 .contains(Manifest.permission.ACCESS_FINE_LOCATION)) { 3593 return PackageManager.PERMISSION_GRANTED; 3594 } 3595 } 3596 } 3597 } 3598 3599 return PackageManager.PERMISSION_DENIED; 3600 } 3601 3602 @Override 3603 public boolean isPermissionRevokedByPolicy(String permission, String packageName, int userId) { 3604 if (UserHandle.getCallingUserId() != userId) { 3605 mContext.enforceCallingPermission( 3606 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 3607 "isPermissionRevokedByPolicy for user " + userId); 3608 } 3609 3610 if (checkPermission(permission, packageName, userId) 3611 == PackageManager.PERMISSION_GRANTED) { 3612 return false; 3613 } 3614 3615 final long identity = Binder.clearCallingIdentity(); 3616 try { 3617 final int flags = getPermissionFlags(permission, packageName, userId); 3618 return (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0; 3619 } finally { 3620 Binder.restoreCallingIdentity(identity); 3621 } 3622 } 3623 3624 @Override 3625 public String getPermissionControllerPackageName() { 3626 synchronized (mPackages) { 3627 return mRequiredInstallerPackage; 3628 } 3629 } 3630 3631 /** 3632 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 3633 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 3634 * @param checkShell whether to prevent shell from access if there's a debugging restriction 3635 * @param message the message to log on security exception 3636 */ 3637 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 3638 boolean checkShell, String message) { 3639 if (userId < 0) { 3640 throw new IllegalArgumentException("Invalid userId " + userId); 3641 } 3642 if (checkShell) { 3643 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, userId); 3644 } 3645 if (userId == UserHandle.getUserId(callingUid)) return; 3646 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 3647 if (requireFullPermission) { 3648 mContext.enforceCallingOrSelfPermission( 3649 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3650 } else { 3651 try { 3652 mContext.enforceCallingOrSelfPermission( 3653 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3654 } catch (SecurityException se) { 3655 mContext.enforceCallingOrSelfPermission( 3656 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 3657 } 3658 } 3659 } 3660 } 3661 3662 void enforceShellRestriction(String restriction, int callingUid, int userHandle) { 3663 if (callingUid == Process.SHELL_UID) { 3664 if (userHandle >= 0 3665 && sUserManager.hasUserRestriction(restriction, userHandle)) { 3666 throw new SecurityException("Shell does not have permission to access user " 3667 + userHandle); 3668 } else if (userHandle < 0) { 3669 Slog.e(TAG, "Unable to check shell permission for user " + userHandle + "\n\t" 3670 + Debug.getCallers(3)); 3671 } 3672 } 3673 } 3674 3675 private BasePermission findPermissionTreeLP(String permName) { 3676 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 3677 if (permName.startsWith(bp.name) && 3678 permName.length() > bp.name.length() && 3679 permName.charAt(bp.name.length()) == '.') { 3680 return bp; 3681 } 3682 } 3683 return null; 3684 } 3685 3686 private BasePermission checkPermissionTreeLP(String permName) { 3687 if (permName != null) { 3688 BasePermission bp = findPermissionTreeLP(permName); 3689 if (bp != null) { 3690 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 3691 return bp; 3692 } 3693 throw new SecurityException("Calling uid " 3694 + Binder.getCallingUid() 3695 + " is not allowed to add to permission tree " 3696 + bp.name + " owned by uid " + bp.uid); 3697 } 3698 } 3699 throw new SecurityException("No permission tree found for " + permName); 3700 } 3701 3702 static boolean compareStrings(CharSequence s1, CharSequence s2) { 3703 if (s1 == null) { 3704 return s2 == null; 3705 } 3706 if (s2 == null) { 3707 return false; 3708 } 3709 if (s1.getClass() != s2.getClass()) { 3710 return false; 3711 } 3712 return s1.equals(s2); 3713 } 3714 3715 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 3716 if (pi1.icon != pi2.icon) return false; 3717 if (pi1.logo != pi2.logo) return false; 3718 if (pi1.protectionLevel != pi2.protectionLevel) return false; 3719 if (!compareStrings(pi1.name, pi2.name)) return false; 3720 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 3721 // We'll take care of setting this one. 3722 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 3723 // These are not currently stored in settings. 3724 //if (!compareStrings(pi1.group, pi2.group)) return false; 3725 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 3726 //if (pi1.labelRes != pi2.labelRes) return false; 3727 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 3728 return true; 3729 } 3730 3731 int permissionInfoFootprint(PermissionInfo info) { 3732 int size = info.name.length(); 3733 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 3734 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 3735 return size; 3736 } 3737 3738 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 3739 int size = 0; 3740 for (BasePermission perm : mSettings.mPermissions.values()) { 3741 if (perm.uid == tree.uid) { 3742 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 3743 } 3744 } 3745 return size; 3746 } 3747 3748 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 3749 // We calculate the max size of permissions defined by this uid and throw 3750 // if that plus the size of 'info' would exceed our stated maximum. 3751 if (tree.uid != Process.SYSTEM_UID) { 3752 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 3753 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 3754 throw new SecurityException("Permission tree size cap exceeded"); 3755 } 3756 } 3757 } 3758 3759 boolean addPermissionLocked(PermissionInfo info, boolean async) { 3760 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 3761 throw new SecurityException("Label must be specified in permission"); 3762 } 3763 BasePermission tree = checkPermissionTreeLP(info.name); 3764 BasePermission bp = mSettings.mPermissions.get(info.name); 3765 boolean added = bp == null; 3766 boolean changed = true; 3767 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 3768 if (added) { 3769 enforcePermissionCapLocked(info, tree); 3770 bp = new BasePermission(info.name, tree.sourcePackage, 3771 BasePermission.TYPE_DYNAMIC); 3772 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 3773 throw new SecurityException( 3774 "Not allowed to modify non-dynamic permission " 3775 + info.name); 3776 } else { 3777 if (bp.protectionLevel == fixedLevel 3778 && bp.perm.owner.equals(tree.perm.owner) 3779 && bp.uid == tree.uid 3780 && comparePermissionInfos(bp.perm.info, info)) { 3781 changed = false; 3782 } 3783 } 3784 bp.protectionLevel = fixedLevel; 3785 info = new PermissionInfo(info); 3786 info.protectionLevel = fixedLevel; 3787 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 3788 bp.perm.info.packageName = tree.perm.info.packageName; 3789 bp.uid = tree.uid; 3790 if (added) { 3791 mSettings.mPermissions.put(info.name, bp); 3792 } 3793 if (changed) { 3794 if (!async) { 3795 mSettings.writeLPr(); 3796 } else { 3797 scheduleWriteSettingsLocked(); 3798 } 3799 } 3800 return added; 3801 } 3802 3803 @Override 3804 public boolean addPermission(PermissionInfo info) { 3805 synchronized (mPackages) { 3806 return addPermissionLocked(info, false); 3807 } 3808 } 3809 3810 @Override 3811 public boolean addPermissionAsync(PermissionInfo info) { 3812 synchronized (mPackages) { 3813 return addPermissionLocked(info, true); 3814 } 3815 } 3816 3817 @Override 3818 public void removePermission(String name) { 3819 synchronized (mPackages) { 3820 checkPermissionTreeLP(name); 3821 BasePermission bp = mSettings.mPermissions.get(name); 3822 if (bp != null) { 3823 if (bp.type != BasePermission.TYPE_DYNAMIC) { 3824 throw new SecurityException( 3825 "Not allowed to modify non-dynamic permission " 3826 + name); 3827 } 3828 mSettings.mPermissions.remove(name); 3829 mSettings.writeLPr(); 3830 } 3831 } 3832 } 3833 3834 private static void enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(PackageParser.Package pkg, 3835 BasePermission bp) { 3836 int index = pkg.requestedPermissions.indexOf(bp.name); 3837 if (index == -1) { 3838 throw new SecurityException("Package " + pkg.packageName 3839 + " has not requested permission " + bp.name); 3840 } 3841 if (!bp.isRuntime() && !bp.isDevelopment()) { 3842 throw new SecurityException("Permission " + bp.name 3843 + " is not a changeable permission type"); 3844 } 3845 } 3846 3847 @Override 3848 public void grantRuntimePermission(String packageName, String name, final int userId) { 3849 if (!sUserManager.exists(userId)) { 3850 Log.e(TAG, "No such user:" + userId); 3851 return; 3852 } 3853 3854 mContext.enforceCallingOrSelfPermission( 3855 android.Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 3856 "grantRuntimePermission"); 3857 3858 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3859 true /* requireFullPermission */, true /* checkShell */, 3860 "grantRuntimePermission"); 3861 3862 final int uid; 3863 final SettingBase sb; 3864 3865 synchronized (mPackages) { 3866 final PackageParser.Package pkg = mPackages.get(packageName); 3867 if (pkg == null) { 3868 throw new IllegalArgumentException("Unknown package: " + packageName); 3869 } 3870 3871 final BasePermission bp = mSettings.mPermissions.get(name); 3872 if (bp == null) { 3873 throw new IllegalArgumentException("Unknown permission: " + name); 3874 } 3875 3876 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 3877 3878 // If a permission review is required for legacy apps we represent 3879 // their permissions as always granted runtime ones since we need 3880 // to keep the review required permission flag per user while an 3881 // install permission's state is shared across all users. 3882 if (Build.PERMISSIONS_REVIEW_REQUIRED 3883 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 3884 && bp.isRuntime()) { 3885 return; 3886 } 3887 3888 uid = UserHandle.getUid(userId, pkg.applicationInfo.uid); 3889 sb = (SettingBase) pkg.mExtras; 3890 if (sb == null) { 3891 throw new IllegalArgumentException("Unknown package: " + packageName); 3892 } 3893 3894 final PermissionsState permissionsState = sb.getPermissionsState(); 3895 3896 final int flags = permissionsState.getPermissionFlags(name, userId); 3897 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 3898 throw new SecurityException("Cannot grant system fixed permission " 3899 + name + " for package " + packageName); 3900 } 3901 3902 if (bp.isDevelopment()) { 3903 // Development permissions must be handled specially, since they are not 3904 // normal runtime permissions. For now they apply to all users. 3905 if (permissionsState.grantInstallPermission(bp) != 3906 PermissionsState.PERMISSION_OPERATION_FAILURE) { 3907 scheduleWriteSettingsLocked(); 3908 } 3909 return; 3910 } 3911 3912 if (pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 3913 Slog.w(TAG, "Cannot grant runtime permission to a legacy app"); 3914 return; 3915 } 3916 3917 final int result = permissionsState.grantRuntimePermission(bp, userId); 3918 switch (result) { 3919 case PermissionsState.PERMISSION_OPERATION_FAILURE: { 3920 return; 3921 } 3922 3923 case PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 3924 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 3925 mHandler.post(new Runnable() { 3926 @Override 3927 public void run() { 3928 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 3929 } 3930 }); 3931 } 3932 break; 3933 } 3934 3935 mOnPermissionChangeListeners.onPermissionsChanged(uid); 3936 3937 // Not critical if that is lost - app has to request again. 3938 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 3939 } 3940 3941 // Only need to do this if user is initialized. Otherwise it's a new user 3942 // and there are no processes running as the user yet and there's no need 3943 // to make an expensive call to remount processes for the changed permissions. 3944 if (READ_EXTERNAL_STORAGE.equals(name) 3945 || WRITE_EXTERNAL_STORAGE.equals(name)) { 3946 final long token = Binder.clearCallingIdentity(); 3947 try { 3948 if (sUserManager.isInitialized(userId)) { 3949 MountServiceInternal mountServiceInternal = LocalServices.getService( 3950 MountServiceInternal.class); 3951 mountServiceInternal.onExternalStoragePolicyChanged(uid, packageName); 3952 } 3953 } finally { 3954 Binder.restoreCallingIdentity(token); 3955 } 3956 } 3957 } 3958 3959 @Override 3960 public void revokeRuntimePermission(String packageName, String name, int userId) { 3961 if (!sUserManager.exists(userId)) { 3962 Log.e(TAG, "No such user:" + userId); 3963 return; 3964 } 3965 3966 mContext.enforceCallingOrSelfPermission( 3967 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 3968 "revokeRuntimePermission"); 3969 3970 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3971 true /* requireFullPermission */, true /* checkShell */, 3972 "revokeRuntimePermission"); 3973 3974 final int appId; 3975 3976 synchronized (mPackages) { 3977 final PackageParser.Package pkg = mPackages.get(packageName); 3978 if (pkg == null) { 3979 throw new IllegalArgumentException("Unknown package: " + packageName); 3980 } 3981 3982 final BasePermission bp = mSettings.mPermissions.get(name); 3983 if (bp == null) { 3984 throw new IllegalArgumentException("Unknown permission: " + name); 3985 } 3986 3987 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 3988 3989 // If a permission review is required for legacy apps we represent 3990 // their permissions as always granted runtime ones since we need 3991 // to keep the review required permission flag per user while an 3992 // install permission's state is shared across all users. 3993 if (Build.PERMISSIONS_REVIEW_REQUIRED 3994 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 3995 && bp.isRuntime()) { 3996 return; 3997 } 3998 3999 SettingBase sb = (SettingBase) pkg.mExtras; 4000 if (sb == null) { 4001 throw new IllegalArgumentException("Unknown package: " + packageName); 4002 } 4003 4004 final PermissionsState permissionsState = sb.getPermissionsState(); 4005 4006 final int flags = permissionsState.getPermissionFlags(name, userId); 4007 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4008 throw new SecurityException("Cannot revoke system fixed permission " 4009 + name + " for package " + packageName); 4010 } 4011 4012 if (bp.isDevelopment()) { 4013 // Development permissions must be handled specially, since they are not 4014 // normal runtime permissions. For now they apply to all users. 4015 if (permissionsState.revokeInstallPermission(bp) != 4016 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4017 scheduleWriteSettingsLocked(); 4018 } 4019 return; 4020 } 4021 4022 if (permissionsState.revokeRuntimePermission(bp, userId) == 4023 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4024 return; 4025 } 4026 4027 mOnPermissionChangeListeners.onPermissionsChanged(pkg.applicationInfo.uid); 4028 4029 // Critical, after this call app should never have the permission. 4030 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 4031 4032 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4033 } 4034 4035 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 4036 } 4037 4038 @Override 4039 public void resetRuntimePermissions() { 4040 mContext.enforceCallingOrSelfPermission( 4041 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4042 "revokeRuntimePermission"); 4043 4044 int callingUid = Binder.getCallingUid(); 4045 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 4046 mContext.enforceCallingOrSelfPermission( 4047 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4048 "resetRuntimePermissions"); 4049 } 4050 4051 synchronized (mPackages) { 4052 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL); 4053 for (int userId : UserManagerService.getInstance().getUserIds()) { 4054 final int packageCount = mPackages.size(); 4055 for (int i = 0; i < packageCount; i++) { 4056 PackageParser.Package pkg = mPackages.valueAt(i); 4057 if (!(pkg.mExtras instanceof PackageSetting)) { 4058 continue; 4059 } 4060 PackageSetting ps = (PackageSetting) pkg.mExtras; 4061 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 4062 } 4063 } 4064 } 4065 } 4066 4067 @Override 4068 public int getPermissionFlags(String name, String packageName, int userId) { 4069 if (!sUserManager.exists(userId)) { 4070 return 0; 4071 } 4072 4073 enforceGrantRevokeRuntimePermissionPermissions("getPermissionFlags"); 4074 4075 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4076 true /* requireFullPermission */, false /* checkShell */, 4077 "getPermissionFlags"); 4078 4079 synchronized (mPackages) { 4080 final PackageParser.Package pkg = mPackages.get(packageName); 4081 if (pkg == null) { 4082 throw new IllegalArgumentException("Unknown package: " + packageName); 4083 } 4084 4085 final BasePermission bp = mSettings.mPermissions.get(name); 4086 if (bp == null) { 4087 throw new IllegalArgumentException("Unknown permission: " + name); 4088 } 4089 4090 SettingBase sb = (SettingBase) pkg.mExtras; 4091 if (sb == null) { 4092 throw new IllegalArgumentException("Unknown package: " + packageName); 4093 } 4094 4095 PermissionsState permissionsState = sb.getPermissionsState(); 4096 return permissionsState.getPermissionFlags(name, userId); 4097 } 4098 } 4099 4100 @Override 4101 public void updatePermissionFlags(String name, String packageName, int flagMask, 4102 int flagValues, int userId) { 4103 if (!sUserManager.exists(userId)) { 4104 return; 4105 } 4106 4107 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlags"); 4108 4109 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4110 true /* requireFullPermission */, true /* checkShell */, 4111 "updatePermissionFlags"); 4112 4113 // Only the system can change these flags and nothing else. 4114 if (getCallingUid() != Process.SYSTEM_UID) { 4115 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4116 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4117 flagMask &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4118 flagValues &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4119 flagValues &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 4120 } 4121 4122 synchronized (mPackages) { 4123 final PackageParser.Package pkg = mPackages.get(packageName); 4124 if (pkg == null) { 4125 throw new IllegalArgumentException("Unknown package: " + packageName); 4126 } 4127 4128 final BasePermission bp = mSettings.mPermissions.get(name); 4129 if (bp == null) { 4130 throw new IllegalArgumentException("Unknown permission: " + name); 4131 } 4132 4133 SettingBase sb = (SettingBase) pkg.mExtras; 4134 if (sb == null) { 4135 throw new IllegalArgumentException("Unknown package: " + packageName); 4136 } 4137 4138 PermissionsState permissionsState = sb.getPermissionsState(); 4139 4140 boolean hadState = permissionsState.getRuntimePermissionState(name, userId) != null; 4141 4142 if (permissionsState.updatePermissionFlags(bp, userId, flagMask, flagValues)) { 4143 // Install and runtime permissions are stored in different places, 4144 // so figure out what permission changed and persist the change. 4145 if (permissionsState.getInstallPermissionState(name) != null) { 4146 scheduleWriteSettingsLocked(); 4147 } else if (permissionsState.getRuntimePermissionState(name, userId) != null 4148 || hadState) { 4149 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4150 } 4151 } 4152 } 4153 } 4154 4155 /** 4156 * Update the permission flags for all packages and runtime permissions of a user in order 4157 * to allow device or profile owner to remove POLICY_FIXED. 4158 */ 4159 @Override 4160 public void updatePermissionFlagsForAllApps(int flagMask, int flagValues, int userId) { 4161 if (!sUserManager.exists(userId)) { 4162 return; 4163 } 4164 4165 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlagsForAllApps"); 4166 4167 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4168 true /* requireFullPermission */, true /* checkShell */, 4169 "updatePermissionFlagsForAllApps"); 4170 4171 // Only the system can change system fixed flags. 4172 if (getCallingUid() != Process.SYSTEM_UID) { 4173 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4174 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4175 } 4176 4177 synchronized (mPackages) { 4178 boolean changed = false; 4179 final int packageCount = mPackages.size(); 4180 for (int pkgIndex = 0; pkgIndex < packageCount; pkgIndex++) { 4181 final PackageParser.Package pkg = mPackages.valueAt(pkgIndex); 4182 SettingBase sb = (SettingBase) pkg.mExtras; 4183 if (sb == null) { 4184 continue; 4185 } 4186 PermissionsState permissionsState = sb.getPermissionsState(); 4187 changed |= permissionsState.updatePermissionFlagsForAllPermissions( 4188 userId, flagMask, flagValues); 4189 } 4190 if (changed) { 4191 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4192 } 4193 } 4194 } 4195 4196 private void enforceGrantRevokeRuntimePermissionPermissions(String message) { 4197 if (mContext.checkCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS) 4198 != PackageManager.PERMISSION_GRANTED 4199 && mContext.checkCallingOrSelfPermission(Manifest.permission.REVOKE_RUNTIME_PERMISSIONS) 4200 != PackageManager.PERMISSION_GRANTED) { 4201 throw new SecurityException(message + " requires " 4202 + Manifest.permission.GRANT_RUNTIME_PERMISSIONS + " or " 4203 + Manifest.permission.REVOKE_RUNTIME_PERMISSIONS); 4204 } 4205 } 4206 4207 @Override 4208 public boolean shouldShowRequestPermissionRationale(String permissionName, 4209 String packageName, int userId) { 4210 if (UserHandle.getCallingUserId() != userId) { 4211 mContext.enforceCallingPermission( 4212 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4213 "canShowRequestPermissionRationale for user " + userId); 4214 } 4215 4216 final int uid = getPackageUid(packageName, MATCH_DEBUG_TRIAGED_MISSING, userId); 4217 if (UserHandle.getAppId(getCallingUid()) != UserHandle.getAppId(uid)) { 4218 return false; 4219 } 4220 4221 if (checkPermission(permissionName, packageName, userId) 4222 == PackageManager.PERMISSION_GRANTED) { 4223 return false; 4224 } 4225 4226 final int flags; 4227 4228 final long identity = Binder.clearCallingIdentity(); 4229 try { 4230 flags = getPermissionFlags(permissionName, 4231 packageName, userId); 4232 } finally { 4233 Binder.restoreCallingIdentity(identity); 4234 } 4235 4236 final int fixedFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 4237 | PackageManager.FLAG_PERMISSION_POLICY_FIXED 4238 | PackageManager.FLAG_PERMISSION_USER_FIXED; 4239 4240 if ((flags & fixedFlags) != 0) { 4241 return false; 4242 } 4243 4244 return (flags & PackageManager.FLAG_PERMISSION_USER_SET) != 0; 4245 } 4246 4247 @Override 4248 public void addOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4249 mContext.enforceCallingOrSelfPermission( 4250 Manifest.permission.OBSERVE_GRANT_REVOKE_PERMISSIONS, 4251 "addOnPermissionsChangeListener"); 4252 4253 synchronized (mPackages) { 4254 mOnPermissionChangeListeners.addListenerLocked(listener); 4255 } 4256 } 4257 4258 @Override 4259 public void removeOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4260 synchronized (mPackages) { 4261 mOnPermissionChangeListeners.removeListenerLocked(listener); 4262 } 4263 } 4264 4265 @Override 4266 public boolean isProtectedBroadcast(String actionName) { 4267 synchronized (mPackages) { 4268 if (mProtectedBroadcasts.contains(actionName)) { 4269 return true; 4270 } else if (actionName != null) { 4271 // TODO: remove these terrible hacks 4272 if (actionName.startsWith("android.net.netmon.lingerExpired") 4273 || actionName.startsWith("com.android.server.sip.SipWakeupTimer") 4274 || actionName.startsWith("com.android.internal.telephony.data-reconnect") 4275 || actionName.startsWith("android.net.netmon.launchCaptivePortalApp")) { 4276 return true; 4277 } 4278 } 4279 } 4280 return false; 4281 } 4282 4283 @Override 4284 public int checkSignatures(String pkg1, String pkg2) { 4285 synchronized (mPackages) { 4286 final PackageParser.Package p1 = mPackages.get(pkg1); 4287 final PackageParser.Package p2 = mPackages.get(pkg2); 4288 if (p1 == null || p1.mExtras == null 4289 || p2 == null || p2.mExtras == null) { 4290 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4291 } 4292 return compareSignatures(p1.mSignatures, p2.mSignatures); 4293 } 4294 } 4295 4296 @Override 4297 public int checkUidSignatures(int uid1, int uid2) { 4298 // Map to base uids. 4299 uid1 = UserHandle.getAppId(uid1); 4300 uid2 = UserHandle.getAppId(uid2); 4301 // reader 4302 synchronized (mPackages) { 4303 Signature[] s1; 4304 Signature[] s2; 4305 Object obj = mSettings.getUserIdLPr(uid1); 4306 if (obj != null) { 4307 if (obj instanceof SharedUserSetting) { 4308 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 4309 } else if (obj instanceof PackageSetting) { 4310 s1 = ((PackageSetting)obj).signatures.mSignatures; 4311 } else { 4312 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4313 } 4314 } else { 4315 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4316 } 4317 obj = mSettings.getUserIdLPr(uid2); 4318 if (obj != null) { 4319 if (obj instanceof SharedUserSetting) { 4320 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 4321 } else if (obj instanceof PackageSetting) { 4322 s2 = ((PackageSetting)obj).signatures.mSignatures; 4323 } else { 4324 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4325 } 4326 } else { 4327 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4328 } 4329 return compareSignatures(s1, s2); 4330 } 4331 } 4332 4333 private void killUid(int appId, int userId, String reason) { 4334 final long identity = Binder.clearCallingIdentity(); 4335 try { 4336 IActivityManager am = ActivityManagerNative.getDefault(); 4337 if (am != null) { 4338 try { 4339 am.killUid(appId, userId, reason); 4340 } catch (RemoteException e) { 4341 /* ignore - same process */ 4342 } 4343 } 4344 } finally { 4345 Binder.restoreCallingIdentity(identity); 4346 } 4347 } 4348 4349 /** 4350 * Compares two sets of signatures. Returns: 4351 * <br /> 4352 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 4353 * <br /> 4354 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 4355 * <br /> 4356 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 4357 * <br /> 4358 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 4359 * <br /> 4360 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 4361 */ 4362 static int compareSignatures(Signature[] s1, Signature[] s2) { 4363 if (s1 == null) { 4364 return s2 == null 4365 ? PackageManager.SIGNATURE_NEITHER_SIGNED 4366 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 4367 } 4368 4369 if (s2 == null) { 4370 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 4371 } 4372 4373 if (s1.length != s2.length) { 4374 return PackageManager.SIGNATURE_NO_MATCH; 4375 } 4376 4377 // Since both signature sets are of size 1, we can compare without HashSets. 4378 if (s1.length == 1) { 4379 return s1[0].equals(s2[0]) ? 4380 PackageManager.SIGNATURE_MATCH : 4381 PackageManager.SIGNATURE_NO_MATCH; 4382 } 4383 4384 ArraySet<Signature> set1 = new ArraySet<Signature>(); 4385 for (Signature sig : s1) { 4386 set1.add(sig); 4387 } 4388 ArraySet<Signature> set2 = new ArraySet<Signature>(); 4389 for (Signature sig : s2) { 4390 set2.add(sig); 4391 } 4392 // Make sure s2 contains all signatures in s1. 4393 if (set1.equals(set2)) { 4394 return PackageManager.SIGNATURE_MATCH; 4395 } 4396 return PackageManager.SIGNATURE_NO_MATCH; 4397 } 4398 4399 /** 4400 * If the database version for this type of package (internal storage or 4401 * external storage) is less than the version where package signatures 4402 * were updated, return true. 4403 */ 4404 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4405 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4406 return ver.databaseVersion < DatabaseVersion.SIGNATURE_END_ENTITY; 4407 } 4408 4409 /** 4410 * Used for backward compatibility to make sure any packages with 4411 * certificate chains get upgraded to the new style. {@code existingSigs} 4412 * will be in the old format (since they were stored on disk from before the 4413 * system upgrade) and {@code scannedSigs} will be in the newer format. 4414 */ 4415 private int compareSignaturesCompat(PackageSignatures existingSigs, 4416 PackageParser.Package scannedPkg) { 4417 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 4418 return PackageManager.SIGNATURE_NO_MATCH; 4419 } 4420 4421 ArraySet<Signature> existingSet = new ArraySet<Signature>(); 4422 for (Signature sig : existingSigs.mSignatures) { 4423 existingSet.add(sig); 4424 } 4425 ArraySet<Signature> scannedCompatSet = new ArraySet<Signature>(); 4426 for (Signature sig : scannedPkg.mSignatures) { 4427 try { 4428 Signature[] chainSignatures = sig.getChainSignatures(); 4429 for (Signature chainSig : chainSignatures) { 4430 scannedCompatSet.add(chainSig); 4431 } 4432 } catch (CertificateEncodingException e) { 4433 scannedCompatSet.add(sig); 4434 } 4435 } 4436 /* 4437 * Make sure the expanded scanned set contains all signatures in the 4438 * existing one. 4439 */ 4440 if (scannedCompatSet.equals(existingSet)) { 4441 // Migrate the old signatures to the new scheme. 4442 existingSigs.assignSignatures(scannedPkg.mSignatures); 4443 // The new KeySets will be re-added later in the scanning process. 4444 synchronized (mPackages) { 4445 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName); 4446 } 4447 return PackageManager.SIGNATURE_MATCH; 4448 } 4449 return PackageManager.SIGNATURE_NO_MATCH; 4450 } 4451 4452 private boolean isRecoverSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4453 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4454 return ver.databaseVersion < DatabaseVersion.SIGNATURE_MALFORMED_RECOVER; 4455 } 4456 4457 private int compareSignaturesRecover(PackageSignatures existingSigs, 4458 PackageParser.Package scannedPkg) { 4459 if (!isRecoverSignatureUpdateNeeded(scannedPkg)) { 4460 return PackageManager.SIGNATURE_NO_MATCH; 4461 } 4462 4463 String msg = null; 4464 try { 4465 if (Signature.areEffectiveMatch(existingSigs.mSignatures, scannedPkg.mSignatures)) { 4466 logCriticalInfo(Log.INFO, "Recovered effectively matching certificates for " 4467 + scannedPkg.packageName); 4468 return PackageManager.SIGNATURE_MATCH; 4469 } 4470 } catch (CertificateException e) { 4471 msg = e.getMessage(); 4472 } 4473 4474 logCriticalInfo(Log.INFO, 4475 "Failed to recover certificates for " + scannedPkg.packageName + ": " + msg); 4476 return PackageManager.SIGNATURE_NO_MATCH; 4477 } 4478 4479 @Override 4480 public List<String> getAllPackages() { 4481 synchronized (mPackages) { 4482 return new ArrayList<String>(mPackages.keySet()); 4483 } 4484 } 4485 4486 @Override 4487 public String[] getPackagesForUid(int uid) { 4488 uid = UserHandle.getAppId(uid); 4489 // reader 4490 synchronized (mPackages) { 4491 Object obj = mSettings.getUserIdLPr(uid); 4492 if (obj instanceof SharedUserSetting) { 4493 final SharedUserSetting sus = (SharedUserSetting) obj; 4494 final int N = sus.packages.size(); 4495 final String[] res = new String[N]; 4496 final Iterator<PackageSetting> it = sus.packages.iterator(); 4497 int i = 0; 4498 while (it.hasNext()) { 4499 res[i++] = it.next().name; 4500 } 4501 return res; 4502 } else if (obj instanceof PackageSetting) { 4503 final PackageSetting ps = (PackageSetting) obj; 4504 return new String[] { ps.name }; 4505 } 4506 } 4507 return null; 4508 } 4509 4510 @Override 4511 public String getNameForUid(int uid) { 4512 // reader 4513 synchronized (mPackages) { 4514 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4515 if (obj instanceof SharedUserSetting) { 4516 final SharedUserSetting sus = (SharedUserSetting) obj; 4517 return sus.name + ":" + sus.userId; 4518 } else if (obj instanceof PackageSetting) { 4519 final PackageSetting ps = (PackageSetting) obj; 4520 return ps.name; 4521 } 4522 } 4523 return null; 4524 } 4525 4526 @Override 4527 public int getUidForSharedUser(String sharedUserName) { 4528 if(sharedUserName == null) { 4529 return -1; 4530 } 4531 // reader 4532 synchronized (mPackages) { 4533 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, 0, false); 4534 if (suid == null) { 4535 return -1; 4536 } 4537 return suid.userId; 4538 } 4539 } 4540 4541 @Override 4542 public int getFlagsForUid(int uid) { 4543 synchronized (mPackages) { 4544 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4545 if (obj instanceof SharedUserSetting) { 4546 final SharedUserSetting sus = (SharedUserSetting) obj; 4547 return sus.pkgFlags; 4548 } else if (obj instanceof PackageSetting) { 4549 final PackageSetting ps = (PackageSetting) obj; 4550 return ps.pkgFlags; 4551 } 4552 } 4553 return 0; 4554 } 4555 4556 @Override 4557 public int getPrivateFlagsForUid(int uid) { 4558 synchronized (mPackages) { 4559 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4560 if (obj instanceof SharedUserSetting) { 4561 final SharedUserSetting sus = (SharedUserSetting) obj; 4562 return sus.pkgPrivateFlags; 4563 } else if (obj instanceof PackageSetting) { 4564 final PackageSetting ps = (PackageSetting) obj; 4565 return ps.pkgPrivateFlags; 4566 } 4567 } 4568 return 0; 4569 } 4570 4571 @Override 4572 public boolean isUidPrivileged(int uid) { 4573 uid = UserHandle.getAppId(uid); 4574 // reader 4575 synchronized (mPackages) { 4576 Object obj = mSettings.getUserIdLPr(uid); 4577 if (obj instanceof SharedUserSetting) { 4578 final SharedUserSetting sus = (SharedUserSetting) obj; 4579 final Iterator<PackageSetting> it = sus.packages.iterator(); 4580 while (it.hasNext()) { 4581 if (it.next().isPrivileged()) { 4582 return true; 4583 } 4584 } 4585 } else if (obj instanceof PackageSetting) { 4586 final PackageSetting ps = (PackageSetting) obj; 4587 return ps.isPrivileged(); 4588 } 4589 } 4590 return false; 4591 } 4592 4593 @Override 4594 public String[] getAppOpPermissionPackages(String permissionName) { 4595 synchronized (mPackages) { 4596 ArraySet<String> pkgs = mAppOpPermissionPackages.get(permissionName); 4597 if (pkgs == null) { 4598 return null; 4599 } 4600 return pkgs.toArray(new String[pkgs.size()]); 4601 } 4602 } 4603 4604 @Override 4605 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 4606 int flags, int userId) { 4607 if (!sUserManager.exists(userId)) return null; 4608 flags = updateFlagsForResolve(flags, userId, intent); 4609 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4610 false /* requireFullPermission */, false /* checkShell */, "resolve intent"); 4611 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 4612 userId); 4613 final ResolveInfo bestChoice = 4614 chooseBestActivity(intent, resolvedType, flags, query, userId); 4615 4616 if (isEphemeralAllowed(intent, query, userId)) { 4617 final EphemeralResolveInfo ai = 4618 getEphemeralResolveInfo(intent, resolvedType, userId); 4619 if (ai != null) { 4620 if (DEBUG_EPHEMERAL) { 4621 Slog.v(TAG, "Returning an EphemeralResolveInfo"); 4622 } 4623 bestChoice.ephemeralInstaller = mEphemeralInstallerInfo; 4624 bestChoice.ephemeralResolveInfo = ai; 4625 } 4626 } 4627 return bestChoice; 4628 } 4629 4630 @Override 4631 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 4632 IntentFilter filter, int match, ComponentName activity) { 4633 final int userId = UserHandle.getCallingUserId(); 4634 if (DEBUG_PREFERRED) { 4635 Log.v(TAG, "setLastChosenActivity intent=" + intent 4636 + " resolvedType=" + resolvedType 4637 + " flags=" + flags 4638 + " filter=" + filter 4639 + " match=" + match 4640 + " activity=" + activity); 4641 filter.dump(new PrintStreamPrinter(System.out), " "); 4642 } 4643 intent.setComponent(null); 4644 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 4645 userId); 4646 // Find any earlier preferred or last chosen entries and nuke them 4647 findPreferredActivity(intent, resolvedType, 4648 flags, query, 0, false, true, false, userId); 4649 // Add the new activity as the last chosen for this filter 4650 addPreferredActivityInternal(filter, match, null, activity, false, userId, 4651 "Setting last chosen"); 4652 } 4653 4654 @Override 4655 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 4656 final int userId = UserHandle.getCallingUserId(); 4657 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 4658 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 4659 userId); 4660 return findPreferredActivity(intent, resolvedType, flags, query, 0, 4661 false, false, false, userId); 4662 } 4663 4664 4665 private boolean isEphemeralAllowed( 4666 Intent intent, List<ResolveInfo> resolvedActivites, int userId) { 4667 // Short circuit and return early if possible. 4668 if (DISABLE_EPHEMERAL_APPS) { 4669 return false; 4670 } 4671 final int callingUser = UserHandle.getCallingUserId(); 4672 if (callingUser != UserHandle.USER_SYSTEM) { 4673 return false; 4674 } 4675 if (mEphemeralResolverConnection == null) { 4676 return false; 4677 } 4678 if (intent.getComponent() != null) { 4679 return false; 4680 } 4681 if (intent.getPackage() != null) { 4682 return false; 4683 } 4684 final boolean isWebUri = hasWebURI(intent); 4685 if (!isWebUri) { 4686 return false; 4687 } 4688 // Deny ephemeral apps if the user chose _ALWAYS or _ALWAYS_ASK for intent resolution. 4689 synchronized (mPackages) { 4690 final int count = resolvedActivites.size(); 4691 for (int n = 0; n < count; n++) { 4692 ResolveInfo info = resolvedActivites.get(n); 4693 String packageName = info.activityInfo.packageName; 4694 PackageSetting ps = mSettings.mPackages.get(packageName); 4695 if (ps != null) { 4696 // Try to get the status from User settings first 4697 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 4698 int status = (int) (packedStatus >> 32); 4699 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS 4700 || status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 4701 if (DEBUG_EPHEMERAL) { 4702 Slog.v(TAG, "DENY ephemeral apps;" 4703 + " pkg: " + packageName + ", status: " + status); 4704 } 4705 return false; 4706 } 4707 } 4708 } 4709 } 4710 // We've exhausted all ways to deny ephemeral application; let the system look for them. 4711 return true; 4712 } 4713 4714 private EphemeralResolveInfo getEphemeralResolveInfo(Intent intent, String resolvedType, 4715 int userId) { 4716 MessageDigest digest = null; 4717 try { 4718 digest = MessageDigest.getInstance(EphemeralResolveInfo.SHA_ALGORITHM); 4719 } catch (NoSuchAlgorithmException e) { 4720 // If we can't create a digest, ignore ephemeral apps. 4721 return null; 4722 } 4723 4724 final byte[] hostBytes = intent.getData().getHost().getBytes(); 4725 final byte[] digestBytes = digest.digest(hostBytes); 4726 int shaPrefix = 4727 digestBytes[0] << 24 4728 | digestBytes[1] << 16 4729 | digestBytes[2] << 8 4730 | digestBytes[3] << 0; 4731 final List<EphemeralResolveInfo> ephemeralResolveInfoList = 4732 mEphemeralResolverConnection.getEphemeralResolveInfoList(shaPrefix); 4733 if (ephemeralResolveInfoList == null || ephemeralResolveInfoList.size() == 0) { 4734 // No hash prefix match; there are no ephemeral apps for this domain. 4735 return null; 4736 } 4737 for (int i = ephemeralResolveInfoList.size() - 1; i >= 0; --i) { 4738 EphemeralResolveInfo ephemeralApplication = ephemeralResolveInfoList.get(i); 4739 if (!Arrays.equals(digestBytes, ephemeralApplication.getDigestBytes())) { 4740 continue; 4741 } 4742 final List<IntentFilter> filters = ephemeralApplication.getFilters(); 4743 // No filters; this should never happen. 4744 if (filters.isEmpty()) { 4745 continue; 4746 } 4747 // We have a domain match; resolve the filters to see if anything matches. 4748 final EphemeralIntentResolver ephemeralResolver = new EphemeralIntentResolver(); 4749 for (int j = filters.size() - 1; j >= 0; --j) { 4750 final EphemeralResolveIntentInfo intentInfo = 4751 new EphemeralResolveIntentInfo(filters.get(j), ephemeralApplication); 4752 ephemeralResolver.addFilter(intentInfo); 4753 } 4754 List<EphemeralResolveInfo> matchedResolveInfoList = ephemeralResolver.queryIntent( 4755 intent, resolvedType, false /*defaultOnly*/, userId); 4756 if (!matchedResolveInfoList.isEmpty()) { 4757 return matchedResolveInfoList.get(0); 4758 } 4759 } 4760 // Hash or filter mis-match; no ephemeral apps for this domain. 4761 return null; 4762 } 4763 4764 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 4765 int flags, List<ResolveInfo> query, int userId) { 4766 if (query != null) { 4767 final int N = query.size(); 4768 if (N == 1) { 4769 return query.get(0); 4770 } else if (N > 1) { 4771 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 4772 // If there is more than one activity with the same priority, 4773 // then let the user decide between them. 4774 ResolveInfo r0 = query.get(0); 4775 ResolveInfo r1 = query.get(1); 4776 if (DEBUG_INTENT_MATCHING || debug) { 4777 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 4778 + r1.activityInfo.name + "=" + r1.priority); 4779 } 4780 // If the first activity has a higher priority, or a different 4781 // default, then it is always desirable to pick it. 4782 if (r0.priority != r1.priority 4783 || r0.preferredOrder != r1.preferredOrder 4784 || r0.isDefault != r1.isDefault) { 4785 return query.get(0); 4786 } 4787 // If we have saved a preference for a preferred activity for 4788 // this Intent, use that. 4789 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 4790 flags, query, r0.priority, true, false, debug, userId); 4791 if (ri != null) { 4792 return ri; 4793 } 4794 ri = new ResolveInfo(mResolveInfo); 4795 ri.activityInfo = new ActivityInfo(ri.activityInfo); 4796 ri.activityInfo.applicationInfo = new ApplicationInfo( 4797 ri.activityInfo.applicationInfo); 4798 if (userId != 0) { 4799 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 4800 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 4801 } 4802 // Make sure that the resolver is displayable in car mode 4803 if (ri.activityInfo.metaData == null) ri.activityInfo.metaData = new Bundle(); 4804 ri.activityInfo.metaData.putBoolean(Intent.METADATA_DOCK_HOME, true); 4805 return ri; 4806 } 4807 } 4808 return null; 4809 } 4810 4811 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 4812 int flags, List<ResolveInfo> query, boolean debug, int userId) { 4813 final int N = query.size(); 4814 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 4815 .get(userId); 4816 // Get the list of persistent preferred activities that handle the intent 4817 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 4818 List<PersistentPreferredActivity> pprefs = ppir != null 4819 ? ppir.queryIntent(intent, resolvedType, 4820 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 4821 : null; 4822 if (pprefs != null && pprefs.size() > 0) { 4823 final int M = pprefs.size(); 4824 for (int i=0; i<M; i++) { 4825 final PersistentPreferredActivity ppa = pprefs.get(i); 4826 if (DEBUG_PREFERRED || debug) { 4827 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 4828 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 4829 + "\n component=" + ppa.mComponent); 4830 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4831 } 4832 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 4833 flags | MATCH_DISABLED_COMPONENTS, userId); 4834 if (DEBUG_PREFERRED || debug) { 4835 Slog.v(TAG, "Found persistent preferred activity:"); 4836 if (ai != null) { 4837 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4838 } else { 4839 Slog.v(TAG, " null"); 4840 } 4841 } 4842 if (ai == null) { 4843 // This previously registered persistent preferred activity 4844 // component is no longer known. Ignore it and do NOT remove it. 4845 continue; 4846 } 4847 for (int j=0; j<N; j++) { 4848 final ResolveInfo ri = query.get(j); 4849 if (!ri.activityInfo.applicationInfo.packageName 4850 .equals(ai.applicationInfo.packageName)) { 4851 continue; 4852 } 4853 if (!ri.activityInfo.name.equals(ai.name)) { 4854 continue; 4855 } 4856 // Found a persistent preference that can handle the intent. 4857 if (DEBUG_PREFERRED || debug) { 4858 Slog.v(TAG, "Returning persistent preferred activity: " + 4859 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 4860 } 4861 return ri; 4862 } 4863 } 4864 } 4865 return null; 4866 } 4867 4868 // TODO: handle preferred activities missing while user has amnesia 4869 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 4870 List<ResolveInfo> query, int priority, boolean always, 4871 boolean removeMatches, boolean debug, int userId) { 4872 if (!sUserManager.exists(userId)) return null; 4873 flags = updateFlagsForResolve(flags, userId, intent); 4874 // writer 4875 synchronized (mPackages) { 4876 if (intent.getSelector() != null) { 4877 intent = intent.getSelector(); 4878 } 4879 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 4880 4881 // Try to find a matching persistent preferred activity. 4882 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 4883 debug, userId); 4884 4885 // If a persistent preferred activity matched, use it. 4886 if (pri != null) { 4887 return pri; 4888 } 4889 4890 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 4891 // Get the list of preferred activities that handle the intent 4892 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 4893 List<PreferredActivity> prefs = pir != null 4894 ? pir.queryIntent(intent, resolvedType, 4895 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 4896 : null; 4897 if (prefs != null && prefs.size() > 0) { 4898 boolean changed = false; 4899 try { 4900 // First figure out how good the original match set is. 4901 // We will only allow preferred activities that came 4902 // from the same match quality. 4903 int match = 0; 4904 4905 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 4906 4907 final int N = query.size(); 4908 for (int j=0; j<N; j++) { 4909 final ResolveInfo ri = query.get(j); 4910 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 4911 + ": 0x" + Integer.toHexString(match)); 4912 if (ri.match > match) { 4913 match = ri.match; 4914 } 4915 } 4916 4917 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 4918 + Integer.toHexString(match)); 4919 4920 match &= IntentFilter.MATCH_CATEGORY_MASK; 4921 final int M = prefs.size(); 4922 for (int i=0; i<M; i++) { 4923 final PreferredActivity pa = prefs.get(i); 4924 if (DEBUG_PREFERRED || debug) { 4925 Slog.v(TAG, "Checking PreferredActivity ds=" 4926 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 4927 + "\n component=" + pa.mPref.mComponent); 4928 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4929 } 4930 if (pa.mPref.mMatch != match) { 4931 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 4932 + Integer.toHexString(pa.mPref.mMatch)); 4933 continue; 4934 } 4935 // If it's not an "always" type preferred activity and that's what we're 4936 // looking for, skip it. 4937 if (always && !pa.mPref.mAlways) { 4938 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 4939 continue; 4940 } 4941 final ActivityInfo ai = getActivityInfo( 4942 pa.mPref.mComponent, flags | MATCH_DISABLED_COMPONENTS 4943 | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 4944 userId); 4945 if (DEBUG_PREFERRED || debug) { 4946 Slog.v(TAG, "Found preferred activity:"); 4947 if (ai != null) { 4948 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4949 } else { 4950 Slog.v(TAG, " null"); 4951 } 4952 } 4953 if (ai == null) { 4954 // This previously registered preferred activity 4955 // component is no longer known. Most likely an update 4956 // to the app was installed and in the new version this 4957 // component no longer exists. Clean it up by removing 4958 // it from the preferred activities list, and skip it. 4959 Slog.w(TAG, "Removing dangling preferred activity: " 4960 + pa.mPref.mComponent); 4961 pir.removeFilter(pa); 4962 changed = true; 4963 continue; 4964 } 4965 for (int j=0; j<N; j++) { 4966 final ResolveInfo ri = query.get(j); 4967 if (!ri.activityInfo.applicationInfo.packageName 4968 .equals(ai.applicationInfo.packageName)) { 4969 continue; 4970 } 4971 if (!ri.activityInfo.name.equals(ai.name)) { 4972 continue; 4973 } 4974 4975 if (removeMatches) { 4976 pir.removeFilter(pa); 4977 changed = true; 4978 if (DEBUG_PREFERRED) { 4979 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 4980 } 4981 break; 4982 } 4983 4984 // Okay we found a previously set preferred or last chosen app. 4985 // If the result set is different from when this 4986 // was created, we need to clear it and re-ask the 4987 // user their preference, if we're looking for an "always" type entry. 4988 if (always && !pa.mPref.sameSet(query)) { 4989 Slog.i(TAG, "Result set changed, dropping preferred activity for " 4990 + intent + " type " + resolvedType); 4991 if (DEBUG_PREFERRED) { 4992 Slog.v(TAG, "Removing preferred activity since set changed " 4993 + pa.mPref.mComponent); 4994 } 4995 pir.removeFilter(pa); 4996 // Re-add the filter as a "last chosen" entry (!always) 4997 PreferredActivity lastChosen = new PreferredActivity( 4998 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 4999 pir.addFilter(lastChosen); 5000 changed = true; 5001 return null; 5002 } 5003 5004 // Yay! Either the set matched or we're looking for the last chosen 5005 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 5006 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 5007 return ri; 5008 } 5009 } 5010 } finally { 5011 if (changed) { 5012 if (DEBUG_PREFERRED) { 5013 Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions"); 5014 } 5015 scheduleWritePackageRestrictionsLocked(userId); 5016 } 5017 } 5018 } 5019 } 5020 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 5021 return null; 5022 } 5023 5024 /* 5025 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 5026 */ 5027 @Override 5028 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 5029 int targetUserId) { 5030 mContext.enforceCallingOrSelfPermission( 5031 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 5032 List<CrossProfileIntentFilter> matches = 5033 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 5034 if (matches != null) { 5035 int size = matches.size(); 5036 for (int i = 0; i < size; i++) { 5037 if (matches.get(i).getTargetUserId() == targetUserId) return true; 5038 } 5039 } 5040 if (hasWebURI(intent)) { 5041 // cross-profile app linking works only towards the parent. 5042 final UserInfo parent = getProfileParent(sourceUserId); 5043 synchronized(mPackages) { 5044 int flags = updateFlagsForResolve(0, parent.id, intent); 5045 CrossProfileDomainInfo xpDomainInfo = getCrossProfileDomainPreferredLpr( 5046 intent, resolvedType, flags, sourceUserId, parent.id); 5047 return xpDomainInfo != null; 5048 } 5049 } 5050 return false; 5051 } 5052 5053 private UserInfo getProfileParent(int userId) { 5054 final long identity = Binder.clearCallingIdentity(); 5055 try { 5056 return sUserManager.getProfileParent(userId); 5057 } finally { 5058 Binder.restoreCallingIdentity(identity); 5059 } 5060 } 5061 5062 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 5063 String resolvedType, int userId) { 5064 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 5065 if (resolver != null) { 5066 return resolver.queryIntent(intent, resolvedType, false, userId); 5067 } 5068 return null; 5069 } 5070 5071 @Override 5072 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivities(Intent intent, 5073 String resolvedType, int flags, int userId) { 5074 return new ParceledListSlice<>( 5075 queryIntentActivitiesInternal(intent, resolvedType, flags, userId)); 5076 } 5077 5078 private @NonNull List<ResolveInfo> queryIntentActivitiesInternal(Intent intent, 5079 String resolvedType, int flags, int userId) { 5080 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5081 flags = updateFlagsForResolve(flags, userId, intent); 5082 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5083 false /* requireFullPermission */, false /* checkShell */, 5084 "query intent activities"); 5085 ComponentName comp = intent.getComponent(); 5086 if (comp == null) { 5087 if (intent.getSelector() != null) { 5088 intent = intent.getSelector(); 5089 comp = intent.getComponent(); 5090 } 5091 } 5092 5093 if (comp != null) { 5094 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5095 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 5096 if (ai != null) { 5097 final ResolveInfo ri = new ResolveInfo(); 5098 ri.activityInfo = ai; 5099 list.add(ri); 5100 } 5101 return list; 5102 } 5103 5104 // reader 5105 synchronized (mPackages) { 5106 final String pkgName = intent.getPackage(); 5107 if (pkgName == null) { 5108 List<CrossProfileIntentFilter> matchingFilters = 5109 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 5110 // Check for results that need to skip the current profile. 5111 ResolveInfo xpResolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 5112 resolvedType, flags, userId); 5113 if (xpResolveInfo != null) { 5114 List<ResolveInfo> result = new ArrayList<ResolveInfo>(1); 5115 result.add(xpResolveInfo); 5116 return filterIfNotSystemUser(result, userId); 5117 } 5118 5119 // Check for results in the current profile. 5120 List<ResolveInfo> result = mActivities.queryIntent( 5121 intent, resolvedType, flags, userId); 5122 result = filterIfNotSystemUser(result, userId); 5123 5124 // Check for cross profile results. 5125 boolean hasNonNegativePriorityResult = hasNonNegativePriority(result); 5126 xpResolveInfo = queryCrossProfileIntents( 5127 matchingFilters, intent, resolvedType, flags, userId, 5128 hasNonNegativePriorityResult); 5129 if (xpResolveInfo != null && isUserEnabled(xpResolveInfo.targetUserId)) { 5130 boolean isVisibleToUser = filterIfNotSystemUser( 5131 Collections.singletonList(xpResolveInfo), userId).size() > 0; 5132 if (isVisibleToUser) { 5133 result.add(xpResolveInfo); 5134 Collections.sort(result, mResolvePrioritySorter); 5135 } 5136 } 5137 if (hasWebURI(intent)) { 5138 CrossProfileDomainInfo xpDomainInfo = null; 5139 final UserInfo parent = getProfileParent(userId); 5140 if (parent != null) { 5141 xpDomainInfo = getCrossProfileDomainPreferredLpr(intent, resolvedType, 5142 flags, userId, parent.id); 5143 } 5144 if (xpDomainInfo != null) { 5145 if (xpResolveInfo != null) { 5146 // If we didn't remove it, the cross-profile ResolveInfo would be twice 5147 // in the result. 5148 result.remove(xpResolveInfo); 5149 } 5150 if (result.size() == 0) { 5151 result.add(xpDomainInfo.resolveInfo); 5152 return result; 5153 } 5154 } else if (result.size() <= 1) { 5155 return result; 5156 } 5157 result = filterCandidatesWithDomainPreferredActivitiesLPr(intent, flags, result, 5158 xpDomainInfo, userId); 5159 Collections.sort(result, mResolvePrioritySorter); 5160 } 5161 return result; 5162 } 5163 final PackageParser.Package pkg = mPackages.get(pkgName); 5164 if (pkg != null) { 5165 return filterIfNotSystemUser( 5166 mActivities.queryIntentForPackage( 5167 intent, resolvedType, flags, pkg.activities, userId), 5168 userId); 5169 } 5170 return new ArrayList<ResolveInfo>(); 5171 } 5172 } 5173 5174 private static class CrossProfileDomainInfo { 5175 /* ResolveInfo for IntentForwarderActivity to send the intent to the other profile */ 5176 ResolveInfo resolveInfo; 5177 /* Best domain verification status of the activities found in the other profile */ 5178 int bestDomainVerificationStatus; 5179 } 5180 5181 private CrossProfileDomainInfo getCrossProfileDomainPreferredLpr(Intent intent, 5182 String resolvedType, int flags, int sourceUserId, int parentUserId) { 5183 if (!sUserManager.hasUserRestriction(UserManager.ALLOW_PARENT_PROFILE_APP_LINKING, 5184 sourceUserId)) { 5185 return null; 5186 } 5187 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5188 resolvedType, flags, parentUserId); 5189 5190 if (resultTargetUser == null || resultTargetUser.isEmpty()) { 5191 return null; 5192 } 5193 CrossProfileDomainInfo result = null; 5194 int size = resultTargetUser.size(); 5195 for (int i = 0; i < size; i++) { 5196 ResolveInfo riTargetUser = resultTargetUser.get(i); 5197 // Intent filter verification is only for filters that specify a host. So don't return 5198 // those that handle all web uris. 5199 if (riTargetUser.handleAllWebDataURI) { 5200 continue; 5201 } 5202 String packageName = riTargetUser.activityInfo.packageName; 5203 PackageSetting ps = mSettings.mPackages.get(packageName); 5204 if (ps == null) { 5205 continue; 5206 } 5207 long verificationState = getDomainVerificationStatusLPr(ps, parentUserId); 5208 int status = (int)(verificationState >> 32); 5209 if (result == null) { 5210 result = new CrossProfileDomainInfo(); 5211 result.resolveInfo = createForwardingResolveInfoUnchecked(new IntentFilter(), 5212 sourceUserId, parentUserId); 5213 result.bestDomainVerificationStatus = status; 5214 } else { 5215 result.bestDomainVerificationStatus = bestDomainVerificationStatus(status, 5216 result.bestDomainVerificationStatus); 5217 } 5218 } 5219 // Don't consider matches with status NEVER across profiles. 5220 if (result != null && result.bestDomainVerificationStatus 5221 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5222 return null; 5223 } 5224 return result; 5225 } 5226 5227 /** 5228 * Verification statuses are ordered from the worse to the best, except for 5229 * INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER, which is the worse. 5230 */ 5231 private int bestDomainVerificationStatus(int status1, int status2) { 5232 if (status1 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5233 return status2; 5234 } 5235 if (status2 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5236 return status1; 5237 } 5238 return (int) MathUtils.max(status1, status2); 5239 } 5240 5241 private boolean isUserEnabled(int userId) { 5242 long callingId = Binder.clearCallingIdentity(); 5243 try { 5244 UserInfo userInfo = sUserManager.getUserInfo(userId); 5245 return userInfo != null && userInfo.isEnabled(); 5246 } finally { 5247 Binder.restoreCallingIdentity(callingId); 5248 } 5249 } 5250 5251 /** 5252 * Filter out activities with systemUserOnly flag set, when current user is not System. 5253 * 5254 * @return filtered list 5255 */ 5256 private List<ResolveInfo> filterIfNotSystemUser(List<ResolveInfo> resolveInfos, int userId) { 5257 if (userId == UserHandle.USER_SYSTEM) { 5258 return resolveInfos; 5259 } 5260 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 5261 ResolveInfo info = resolveInfos.get(i); 5262 if ((info.activityInfo.flags & ActivityInfo.FLAG_SYSTEM_USER_ONLY) != 0) { 5263 resolveInfos.remove(i); 5264 } 5265 } 5266 return resolveInfos; 5267 } 5268 5269 /** 5270 * @param resolveInfos list of resolve infos in descending priority order 5271 * @return if the list contains a resolve info with non-negative priority 5272 */ 5273 private boolean hasNonNegativePriority(List<ResolveInfo> resolveInfos) { 5274 return resolveInfos.size() > 0 && resolveInfos.get(0).priority >= 0; 5275 } 5276 5277 private static boolean hasWebURI(Intent intent) { 5278 if (intent.getData() == null) { 5279 return false; 5280 } 5281 final String scheme = intent.getScheme(); 5282 if (TextUtils.isEmpty(scheme)) { 5283 return false; 5284 } 5285 return scheme.equals(IntentFilter.SCHEME_HTTP) || scheme.equals(IntentFilter.SCHEME_HTTPS); 5286 } 5287 5288 private List<ResolveInfo> filterCandidatesWithDomainPreferredActivitiesLPr(Intent intent, 5289 int matchFlags, List<ResolveInfo> candidates, CrossProfileDomainInfo xpDomainInfo, 5290 int userId) { 5291 final boolean debug = (intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0; 5292 5293 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5294 Slog.v(TAG, "Filtering results with preferred activities. Candidates count: " + 5295 candidates.size()); 5296 } 5297 5298 ArrayList<ResolveInfo> result = new ArrayList<ResolveInfo>(); 5299 ArrayList<ResolveInfo> alwaysList = new ArrayList<ResolveInfo>(); 5300 ArrayList<ResolveInfo> undefinedList = new ArrayList<ResolveInfo>(); 5301 ArrayList<ResolveInfo> alwaysAskList = new ArrayList<ResolveInfo>(); 5302 ArrayList<ResolveInfo> neverList = new ArrayList<ResolveInfo>(); 5303 ArrayList<ResolveInfo> matchAllList = new ArrayList<ResolveInfo>(); 5304 5305 synchronized (mPackages) { 5306 final int count = candidates.size(); 5307 // First, try to use linked apps. Partition the candidates into four lists: 5308 // one for the final results, one for the "do not use ever", one for "undefined status" 5309 // and finally one for "browser app type". 5310 for (int n=0; n<count; n++) { 5311 ResolveInfo info = candidates.get(n); 5312 String packageName = info.activityInfo.packageName; 5313 PackageSetting ps = mSettings.mPackages.get(packageName); 5314 if (ps != null) { 5315 // Add to the special match all list (Browser use case) 5316 if (info.handleAllWebDataURI) { 5317 matchAllList.add(info); 5318 continue; 5319 } 5320 // Try to get the status from User settings first 5321 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 5322 int status = (int)(packedStatus >> 32); 5323 int linkGeneration = (int)(packedStatus & 0xFFFFFFFF); 5324 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS) { 5325 if (DEBUG_DOMAIN_VERIFICATION) { 5326 Slog.i(TAG, " + always: " + info.activityInfo.packageName 5327 + " : linkgen=" + linkGeneration); 5328 } 5329 // Use link-enabled generation as preferredOrder, i.e. 5330 // prefer newly-enabled over earlier-enabled. 5331 info.preferredOrder = linkGeneration; 5332 alwaysList.add(info); 5333 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5334 if (DEBUG_DOMAIN_VERIFICATION) { 5335 Slog.i(TAG, " + never: " + info.activityInfo.packageName); 5336 } 5337 neverList.add(info); 5338 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 5339 if (DEBUG_DOMAIN_VERIFICATION) { 5340 Slog.i(TAG, " + always-ask: " + info.activityInfo.packageName); 5341 } 5342 alwaysAskList.add(info); 5343 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED || 5344 status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK) { 5345 if (DEBUG_DOMAIN_VERIFICATION) { 5346 Slog.i(TAG, " + ask: " + info.activityInfo.packageName); 5347 } 5348 undefinedList.add(info); 5349 } 5350 } 5351 } 5352 5353 // We'll want to include browser possibilities in a few cases 5354 boolean includeBrowser = false; 5355 5356 // First try to add the "always" resolution(s) for the current user, if any 5357 if (alwaysList.size() > 0) { 5358 result.addAll(alwaysList); 5359 } else { 5360 // Add all undefined apps as we want them to appear in the disambiguation dialog. 5361 result.addAll(undefinedList); 5362 // Maybe add one for the other profile. 5363 if (xpDomainInfo != null && ( 5364 xpDomainInfo.bestDomainVerificationStatus 5365 != INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER)) { 5366 result.add(xpDomainInfo.resolveInfo); 5367 } 5368 includeBrowser = true; 5369 } 5370 5371 // The presence of any 'always ask' alternatives means we'll also offer browsers. 5372 // If there were 'always' entries their preferred order has been set, so we also 5373 // back that off to make the alternatives equivalent 5374 if (alwaysAskList.size() > 0) { 5375 for (ResolveInfo i : result) { 5376 i.preferredOrder = 0; 5377 } 5378 result.addAll(alwaysAskList); 5379 includeBrowser = true; 5380 } 5381 5382 if (includeBrowser) { 5383 // Also add browsers (all of them or only the default one) 5384 if (DEBUG_DOMAIN_VERIFICATION) { 5385 Slog.v(TAG, " ...including browsers in candidate set"); 5386 } 5387 if ((matchFlags & MATCH_ALL) != 0) { 5388 result.addAll(matchAllList); 5389 } else { 5390 // Browser/generic handling case. If there's a default browser, go straight 5391 // to that (but only if there is no other higher-priority match). 5392 final String defaultBrowserPackageName = getDefaultBrowserPackageName(userId); 5393 int maxMatchPrio = 0; 5394 ResolveInfo defaultBrowserMatch = null; 5395 final int numCandidates = matchAllList.size(); 5396 for (int n = 0; n < numCandidates; n++) { 5397 ResolveInfo info = matchAllList.get(n); 5398 // track the highest overall match priority... 5399 if (info.priority > maxMatchPrio) { 5400 maxMatchPrio = info.priority; 5401 } 5402 // ...and the highest-priority default browser match 5403 if (info.activityInfo.packageName.equals(defaultBrowserPackageName)) { 5404 if (defaultBrowserMatch == null 5405 || (defaultBrowserMatch.priority < info.priority)) { 5406 if (debug) { 5407 Slog.v(TAG, "Considering default browser match " + info); 5408 } 5409 defaultBrowserMatch = info; 5410 } 5411 } 5412 } 5413 if (defaultBrowserMatch != null 5414 && defaultBrowserMatch.priority >= maxMatchPrio 5415 && !TextUtils.isEmpty(defaultBrowserPackageName)) 5416 { 5417 if (debug) { 5418 Slog.v(TAG, "Default browser match " + defaultBrowserMatch); 5419 } 5420 result.add(defaultBrowserMatch); 5421 } else { 5422 result.addAll(matchAllList); 5423 } 5424 } 5425 5426 // If there is nothing selected, add all candidates and remove the ones that the user 5427 // has explicitly put into the INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER state 5428 if (result.size() == 0) { 5429 result.addAll(candidates); 5430 result.removeAll(neverList); 5431 } 5432 } 5433 } 5434 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5435 Slog.v(TAG, "Filtered results with preferred activities. New candidates count: " + 5436 result.size()); 5437 for (ResolveInfo info : result) { 5438 Slog.v(TAG, " + " + info.activityInfo); 5439 } 5440 } 5441 return result; 5442 } 5443 5444 // Returns a packed value as a long: 5445 // 5446 // high 'int'-sized word: link status: undefined/ask/never/always. 5447 // low 'int'-sized word: relative priority among 'always' results. 5448 private long getDomainVerificationStatusLPr(PackageSetting ps, int userId) { 5449 long result = ps.getDomainVerificationStatusForUser(userId); 5450 // if none available, get the master status 5451 if (result >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 5452 if (ps.getIntentFilterVerificationInfo() != null) { 5453 result = ((long)ps.getIntentFilterVerificationInfo().getStatus()) << 32; 5454 } 5455 } 5456 return result; 5457 } 5458 5459 private ResolveInfo querySkipCurrentProfileIntents( 5460 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5461 int flags, int sourceUserId) { 5462 if (matchingFilters != null) { 5463 int size = matchingFilters.size(); 5464 for (int i = 0; i < size; i ++) { 5465 CrossProfileIntentFilter filter = matchingFilters.get(i); 5466 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 5467 // Checking if there are activities in the target user that can handle the 5468 // intent. 5469 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5470 resolvedType, flags, sourceUserId); 5471 if (resolveInfo != null) { 5472 return resolveInfo; 5473 } 5474 } 5475 } 5476 } 5477 return null; 5478 } 5479 5480 // Return matching ResolveInfo in target user if any. 5481 private ResolveInfo queryCrossProfileIntents( 5482 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5483 int flags, int sourceUserId, boolean matchInCurrentProfile) { 5484 if (matchingFilters != null) { 5485 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 5486 // match the same intent. For performance reasons, it is better not to 5487 // run queryIntent twice for the same userId 5488 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 5489 int size = matchingFilters.size(); 5490 for (int i = 0; i < size; i++) { 5491 CrossProfileIntentFilter filter = matchingFilters.get(i); 5492 int targetUserId = filter.getTargetUserId(); 5493 boolean skipCurrentProfile = 5494 (filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0; 5495 boolean skipCurrentProfileIfNoMatchFound = 5496 (filter.getFlags() & PackageManager.ONLY_IF_NO_MATCH_FOUND) != 0; 5497 if (!skipCurrentProfile && !alreadyTriedUserIds.get(targetUserId) 5498 && (!skipCurrentProfileIfNoMatchFound || !matchInCurrentProfile)) { 5499 // Checking if there are activities in the target user that can handle the 5500 // intent. 5501 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5502 resolvedType, flags, sourceUserId); 5503 if (resolveInfo != null) return resolveInfo; 5504 alreadyTriedUserIds.put(targetUserId, true); 5505 } 5506 } 5507 } 5508 return null; 5509 } 5510 5511 /** 5512 * If the filter's target user can handle the intent and is enabled: returns a ResolveInfo that 5513 * will forward the intent to the filter's target user. 5514 * Otherwise, returns null. 5515 */ 5516 private ResolveInfo createForwardingResolveInfo(CrossProfileIntentFilter filter, Intent intent, 5517 String resolvedType, int flags, int sourceUserId) { 5518 int targetUserId = filter.getTargetUserId(); 5519 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5520 resolvedType, flags, targetUserId); 5521 if (resultTargetUser != null && isUserEnabled(targetUserId)) { 5522 // If all the matches in the target profile are suspended, return null. 5523 for (int i = resultTargetUser.size() - 1; i >= 0; i--) { 5524 if ((resultTargetUser.get(i).activityInfo.applicationInfo.flags 5525 & ApplicationInfo.FLAG_SUSPENDED) == 0) { 5526 return createForwardingResolveInfoUnchecked(filter, sourceUserId, 5527 targetUserId); 5528 } 5529 } 5530 } 5531 return null; 5532 } 5533 5534 private ResolveInfo createForwardingResolveInfoUnchecked(IntentFilter filter, 5535 int sourceUserId, int targetUserId) { 5536 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 5537 long ident = Binder.clearCallingIdentity(); 5538 boolean targetIsProfile; 5539 try { 5540 targetIsProfile = sUserManager.getUserInfo(targetUserId).isManagedProfile(); 5541 } finally { 5542 Binder.restoreCallingIdentity(ident); 5543 } 5544 String className; 5545 if (targetIsProfile) { 5546 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 5547 } else { 5548 className = FORWARD_INTENT_TO_PARENT; 5549 } 5550 ComponentName forwardingActivityComponentName = new ComponentName( 5551 mAndroidApplication.packageName, className); 5552 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 5553 sourceUserId); 5554 if (!targetIsProfile) { 5555 forwardingActivityInfo.showUserIcon = targetUserId; 5556 forwardingResolveInfo.noResourceId = true; 5557 } 5558 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 5559 forwardingResolveInfo.priority = 0; 5560 forwardingResolveInfo.preferredOrder = 0; 5561 forwardingResolveInfo.match = 0; 5562 forwardingResolveInfo.isDefault = true; 5563 forwardingResolveInfo.filter = filter; 5564 forwardingResolveInfo.targetUserId = targetUserId; 5565 return forwardingResolveInfo; 5566 } 5567 5568 @Override 5569 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 5570 Intent[] specifics, String[] specificTypes, Intent intent, 5571 String resolvedType, int flags, int userId) { 5572 return new ParceledListSlice<>(queryIntentActivityOptionsInternal(caller, specifics, 5573 specificTypes, intent, resolvedType, flags, userId)); 5574 } 5575 5576 private @NonNull List<ResolveInfo> queryIntentActivityOptionsInternal(ComponentName caller, 5577 Intent[] specifics, String[] specificTypes, Intent intent, 5578 String resolvedType, int flags, int userId) { 5579 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5580 flags = updateFlagsForResolve(flags, userId, intent); 5581 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5582 false /* requireFullPermission */, false /* checkShell */, 5583 "query intent activity options"); 5584 final String resultsAction = intent.getAction(); 5585 5586 final List<ResolveInfo> results = queryIntentActivitiesInternal(intent, resolvedType, flags 5587 | PackageManager.GET_RESOLVED_FILTER, userId); 5588 5589 if (DEBUG_INTENT_MATCHING) { 5590 Log.v(TAG, "Query " + intent + ": " + results); 5591 } 5592 5593 int specificsPos = 0; 5594 int N; 5595 5596 // todo: note that the algorithm used here is O(N^2). This 5597 // isn't a problem in our current environment, but if we start running 5598 // into situations where we have more than 5 or 10 matches then this 5599 // should probably be changed to something smarter... 5600 5601 // First we go through and resolve each of the specific items 5602 // that were supplied, taking care of removing any corresponding 5603 // duplicate items in the generic resolve list. 5604 if (specifics != null) { 5605 for (int i=0; i<specifics.length; i++) { 5606 final Intent sintent = specifics[i]; 5607 if (sintent == null) { 5608 continue; 5609 } 5610 5611 if (DEBUG_INTENT_MATCHING) { 5612 Log.v(TAG, "Specific #" + i + ": " + sintent); 5613 } 5614 5615 String action = sintent.getAction(); 5616 if (resultsAction != null && resultsAction.equals(action)) { 5617 // If this action was explicitly requested, then don't 5618 // remove things that have it. 5619 action = null; 5620 } 5621 5622 ResolveInfo ri = null; 5623 ActivityInfo ai = null; 5624 5625 ComponentName comp = sintent.getComponent(); 5626 if (comp == null) { 5627 ri = resolveIntent( 5628 sintent, 5629 specificTypes != null ? specificTypes[i] : null, 5630 flags, userId); 5631 if (ri == null) { 5632 continue; 5633 } 5634 if (ri == mResolveInfo) { 5635 // ACK! Must do something better with this. 5636 } 5637 ai = ri.activityInfo; 5638 comp = new ComponentName(ai.applicationInfo.packageName, 5639 ai.name); 5640 } else { 5641 ai = getActivityInfo(comp, flags, userId); 5642 if (ai == null) { 5643 continue; 5644 } 5645 } 5646 5647 // Look for any generic query activities that are duplicates 5648 // of this specific one, and remove them from the results. 5649 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 5650 N = results.size(); 5651 int j; 5652 for (j=specificsPos; j<N; j++) { 5653 ResolveInfo sri = results.get(j); 5654 if ((sri.activityInfo.name.equals(comp.getClassName()) 5655 && sri.activityInfo.applicationInfo.packageName.equals( 5656 comp.getPackageName())) 5657 || (action != null && sri.filter.matchAction(action))) { 5658 results.remove(j); 5659 if (DEBUG_INTENT_MATCHING) Log.v( 5660 TAG, "Removing duplicate item from " + j 5661 + " due to specific " + specificsPos); 5662 if (ri == null) { 5663 ri = sri; 5664 } 5665 j--; 5666 N--; 5667 } 5668 } 5669 5670 // Add this specific item to its proper place. 5671 if (ri == null) { 5672 ri = new ResolveInfo(); 5673 ri.activityInfo = ai; 5674 } 5675 results.add(specificsPos, ri); 5676 ri.specificIndex = i; 5677 specificsPos++; 5678 } 5679 } 5680 5681 // Now we go through the remaining generic results and remove any 5682 // duplicate actions that are found here. 5683 N = results.size(); 5684 for (int i=specificsPos; i<N-1; i++) { 5685 final ResolveInfo rii = results.get(i); 5686 if (rii.filter == null) { 5687 continue; 5688 } 5689 5690 // Iterate over all of the actions of this result's intent 5691 // filter... typically this should be just one. 5692 final Iterator<String> it = rii.filter.actionsIterator(); 5693 if (it == null) { 5694 continue; 5695 } 5696 while (it.hasNext()) { 5697 final String action = it.next(); 5698 if (resultsAction != null && resultsAction.equals(action)) { 5699 // If this action was explicitly requested, then don't 5700 // remove things that have it. 5701 continue; 5702 } 5703 for (int j=i+1; j<N; j++) { 5704 final ResolveInfo rij = results.get(j); 5705 if (rij.filter != null && rij.filter.hasAction(action)) { 5706 results.remove(j); 5707 if (DEBUG_INTENT_MATCHING) Log.v( 5708 TAG, "Removing duplicate item from " + j 5709 + " due to action " + action + " at " + i); 5710 j--; 5711 N--; 5712 } 5713 } 5714 } 5715 5716 // If the caller didn't request filter information, drop it now 5717 // so we don't have to marshall/unmarshall it. 5718 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 5719 rii.filter = null; 5720 } 5721 } 5722 5723 // Filter out the caller activity if so requested. 5724 if (caller != null) { 5725 N = results.size(); 5726 for (int i=0; i<N; i++) { 5727 ActivityInfo ainfo = results.get(i).activityInfo; 5728 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 5729 && caller.getClassName().equals(ainfo.name)) { 5730 results.remove(i); 5731 break; 5732 } 5733 } 5734 } 5735 5736 // If the caller didn't request filter information, 5737 // drop them now so we don't have to 5738 // marshall/unmarshall it. 5739 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 5740 N = results.size(); 5741 for (int i=0; i<N; i++) { 5742 results.get(i).filter = null; 5743 } 5744 } 5745 5746 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 5747 return results; 5748 } 5749 5750 @Override 5751 public @NonNull ParceledListSlice<ResolveInfo> queryIntentReceivers(Intent intent, 5752 String resolvedType, int flags, int userId) { 5753 return new ParceledListSlice<>( 5754 queryIntentReceiversInternal(intent, resolvedType, flags, userId)); 5755 } 5756 5757 private @NonNull List<ResolveInfo> queryIntentReceiversInternal(Intent intent, 5758 String resolvedType, int flags, int userId) { 5759 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5760 flags = updateFlagsForResolve(flags, userId, intent); 5761 ComponentName comp = intent.getComponent(); 5762 if (comp == null) { 5763 if (intent.getSelector() != null) { 5764 intent = intent.getSelector(); 5765 comp = intent.getComponent(); 5766 } 5767 } 5768 if (comp != null) { 5769 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5770 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 5771 if (ai != null) { 5772 ResolveInfo ri = new ResolveInfo(); 5773 ri.activityInfo = ai; 5774 list.add(ri); 5775 } 5776 return list; 5777 } 5778 5779 // reader 5780 synchronized (mPackages) { 5781 String pkgName = intent.getPackage(); 5782 if (pkgName == null) { 5783 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 5784 } 5785 final PackageParser.Package pkg = mPackages.get(pkgName); 5786 if (pkg != null) { 5787 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 5788 userId); 5789 } 5790 return Collections.emptyList(); 5791 } 5792 } 5793 5794 @Override 5795 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 5796 if (!sUserManager.exists(userId)) return null; 5797 flags = updateFlagsForResolve(flags, userId, intent); 5798 List<ResolveInfo> query = queryIntentServicesInternal(intent, resolvedType, flags, userId); 5799 if (query != null) { 5800 if (query.size() >= 1) { 5801 // If there is more than one service with the same priority, 5802 // just arbitrarily pick the first one. 5803 return query.get(0); 5804 } 5805 } 5806 return null; 5807 } 5808 5809 @Override 5810 public @NonNull ParceledListSlice<ResolveInfo> queryIntentServices(Intent intent, 5811 String resolvedType, int flags, int userId) { 5812 return new ParceledListSlice<>( 5813 queryIntentServicesInternal(intent, resolvedType, flags, userId)); 5814 } 5815 5816 private @NonNull List<ResolveInfo> queryIntentServicesInternal(Intent intent, 5817 String resolvedType, int flags, int userId) { 5818 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5819 flags = updateFlagsForResolve(flags, userId, intent); 5820 ComponentName comp = intent.getComponent(); 5821 if (comp == null) { 5822 if (intent.getSelector() != null) { 5823 intent = intent.getSelector(); 5824 comp = intent.getComponent(); 5825 } 5826 } 5827 if (comp != null) { 5828 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5829 final ServiceInfo si = getServiceInfo(comp, flags, userId); 5830 if (si != null) { 5831 final ResolveInfo ri = new ResolveInfo(); 5832 ri.serviceInfo = si; 5833 list.add(ri); 5834 } 5835 return list; 5836 } 5837 5838 // reader 5839 synchronized (mPackages) { 5840 String pkgName = intent.getPackage(); 5841 if (pkgName == null) { 5842 return mServices.queryIntent(intent, resolvedType, flags, userId); 5843 } 5844 final PackageParser.Package pkg = mPackages.get(pkgName); 5845 if (pkg != null) { 5846 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 5847 userId); 5848 } 5849 return Collections.emptyList(); 5850 } 5851 } 5852 5853 @Override 5854 public @NonNull ParceledListSlice<ResolveInfo> queryIntentContentProviders(Intent intent, 5855 String resolvedType, int flags, int userId) { 5856 return new ParceledListSlice<>( 5857 queryIntentContentProvidersInternal(intent, resolvedType, flags, userId)); 5858 } 5859 5860 private @NonNull List<ResolveInfo> queryIntentContentProvidersInternal( 5861 Intent intent, String resolvedType, int flags, int userId) { 5862 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5863 flags = updateFlagsForResolve(flags, userId, intent); 5864 ComponentName comp = intent.getComponent(); 5865 if (comp == null) { 5866 if (intent.getSelector() != null) { 5867 intent = intent.getSelector(); 5868 comp = intent.getComponent(); 5869 } 5870 } 5871 if (comp != null) { 5872 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5873 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 5874 if (pi != null) { 5875 final ResolveInfo ri = new ResolveInfo(); 5876 ri.providerInfo = pi; 5877 list.add(ri); 5878 } 5879 return list; 5880 } 5881 5882 // reader 5883 synchronized (mPackages) { 5884 String pkgName = intent.getPackage(); 5885 if (pkgName == null) { 5886 return mProviders.queryIntent(intent, resolvedType, flags, userId); 5887 } 5888 final PackageParser.Package pkg = mPackages.get(pkgName); 5889 if (pkg != null) { 5890 return mProviders.queryIntentForPackage( 5891 intent, resolvedType, flags, pkg.providers, userId); 5892 } 5893 return Collections.emptyList(); 5894 } 5895 } 5896 5897 @Override 5898 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 5899 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 5900 flags = updateFlagsForPackage(flags, userId, null); 5901 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 5902 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5903 true /* requireFullPermission */, false /* checkShell */, 5904 "get installed packages"); 5905 5906 // writer 5907 synchronized (mPackages) { 5908 ArrayList<PackageInfo> list; 5909 if (listUninstalled) { 5910 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 5911 for (PackageSetting ps : mSettings.mPackages.values()) { 5912 final PackageInfo pi; 5913 if (ps.pkg != null) { 5914 pi = generatePackageInfo(ps, flags, userId); 5915 } else { 5916 pi = generatePackageInfo(ps, flags, userId); 5917 } 5918 if (pi != null) { 5919 list.add(pi); 5920 } 5921 } 5922 } else { 5923 list = new ArrayList<PackageInfo>(mPackages.size()); 5924 for (PackageParser.Package p : mPackages.values()) { 5925 final PackageInfo pi = 5926 generatePackageInfo((PackageSetting)p.mExtras, flags, userId); 5927 if (pi != null) { 5928 list.add(pi); 5929 } 5930 } 5931 } 5932 5933 return new ParceledListSlice<PackageInfo>(list); 5934 } 5935 } 5936 5937 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 5938 String[] permissions, boolean[] tmp, int flags, int userId) { 5939 int numMatch = 0; 5940 final PermissionsState permissionsState = ps.getPermissionsState(); 5941 for (int i=0; i<permissions.length; i++) { 5942 final String permission = permissions[i]; 5943 if (permissionsState.hasPermission(permission, userId)) { 5944 tmp[i] = true; 5945 numMatch++; 5946 } else { 5947 tmp[i] = false; 5948 } 5949 } 5950 if (numMatch == 0) { 5951 return; 5952 } 5953 final PackageInfo pi; 5954 if (ps.pkg != null) { 5955 pi = generatePackageInfo(ps, flags, userId); 5956 } else { 5957 pi = generatePackageInfo(ps, flags, userId); 5958 } 5959 // The above might return null in cases of uninstalled apps or install-state 5960 // skew across users/profiles. 5961 if (pi != null) { 5962 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 5963 if (numMatch == permissions.length) { 5964 pi.requestedPermissions = permissions; 5965 } else { 5966 pi.requestedPermissions = new String[numMatch]; 5967 numMatch = 0; 5968 for (int i=0; i<permissions.length; i++) { 5969 if (tmp[i]) { 5970 pi.requestedPermissions[numMatch] = permissions[i]; 5971 numMatch++; 5972 } 5973 } 5974 } 5975 } 5976 list.add(pi); 5977 } 5978 } 5979 5980 @Override 5981 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 5982 String[] permissions, int flags, int userId) { 5983 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 5984 flags = updateFlagsForPackage(flags, userId, permissions); 5985 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 5986 5987 // writer 5988 synchronized (mPackages) { 5989 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 5990 boolean[] tmpBools = new boolean[permissions.length]; 5991 if (listUninstalled) { 5992 for (PackageSetting ps : mSettings.mPackages.values()) { 5993 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 5994 } 5995 } else { 5996 for (PackageParser.Package pkg : mPackages.values()) { 5997 PackageSetting ps = (PackageSetting)pkg.mExtras; 5998 if (ps != null) { 5999 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 6000 userId); 6001 } 6002 } 6003 } 6004 6005 return new ParceledListSlice<PackageInfo>(list); 6006 } 6007 } 6008 6009 @Override 6010 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 6011 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6012 flags = updateFlagsForApplication(flags, userId, null); 6013 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 6014 6015 // writer 6016 synchronized (mPackages) { 6017 ArrayList<ApplicationInfo> list; 6018 if (listUninstalled) { 6019 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 6020 for (PackageSetting ps : mSettings.mPackages.values()) { 6021 ApplicationInfo ai; 6022 if (ps.pkg != null) { 6023 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 6024 ps.readUserState(userId), userId); 6025 } else { 6026 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 6027 } 6028 if (ai != null) { 6029 list.add(ai); 6030 } 6031 } 6032 } else { 6033 list = new ArrayList<ApplicationInfo>(mPackages.size()); 6034 for (PackageParser.Package p : mPackages.values()) { 6035 if (p.mExtras != null) { 6036 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 6037 ((PackageSetting)p.mExtras).readUserState(userId), userId); 6038 if (ai != null) { 6039 list.add(ai); 6040 } 6041 } 6042 } 6043 } 6044 6045 return new ParceledListSlice<ApplicationInfo>(list); 6046 } 6047 } 6048 6049 @Override 6050 public ParceledListSlice<EphemeralApplicationInfo> getEphemeralApplications(int userId) { 6051 if (DISABLE_EPHEMERAL_APPS) { 6052 return null; 6053 } 6054 6055 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 6056 "getEphemeralApplications"); 6057 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6058 true /* requireFullPermission */, false /* checkShell */, 6059 "getEphemeralApplications"); 6060 synchronized (mPackages) { 6061 List<EphemeralApplicationInfo> ephemeralApps = mEphemeralApplicationRegistry 6062 .getEphemeralApplicationsLPw(userId); 6063 if (ephemeralApps != null) { 6064 return new ParceledListSlice<>(ephemeralApps); 6065 } 6066 } 6067 return null; 6068 } 6069 6070 @Override 6071 public boolean isEphemeralApplication(String packageName, int userId) { 6072 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6073 true /* requireFullPermission */, false /* checkShell */, 6074 "isEphemeral"); 6075 if (DISABLE_EPHEMERAL_APPS) { 6076 return false; 6077 } 6078 6079 if (!isCallerSameApp(packageName)) { 6080 return false; 6081 } 6082 synchronized (mPackages) { 6083 PackageParser.Package pkg = mPackages.get(packageName); 6084 if (pkg != null) { 6085 return pkg.applicationInfo.isEphemeralApp(); 6086 } 6087 } 6088 return false; 6089 } 6090 6091 @Override 6092 public byte[] getEphemeralApplicationCookie(String packageName, int userId) { 6093 if (DISABLE_EPHEMERAL_APPS) { 6094 return null; 6095 } 6096 6097 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6098 true /* requireFullPermission */, false /* checkShell */, 6099 "getCookie"); 6100 if (!isCallerSameApp(packageName)) { 6101 return null; 6102 } 6103 synchronized (mPackages) { 6104 return mEphemeralApplicationRegistry.getEphemeralApplicationCookieLPw( 6105 packageName, userId); 6106 } 6107 } 6108 6109 @Override 6110 public boolean setEphemeralApplicationCookie(String packageName, byte[] cookie, int userId) { 6111 if (DISABLE_EPHEMERAL_APPS) { 6112 return true; 6113 } 6114 6115 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6116 true /* requireFullPermission */, true /* checkShell */, 6117 "setCookie"); 6118 if (!isCallerSameApp(packageName)) { 6119 return false; 6120 } 6121 synchronized (mPackages) { 6122 return mEphemeralApplicationRegistry.setEphemeralApplicationCookieLPw( 6123 packageName, cookie, userId); 6124 } 6125 } 6126 6127 @Override 6128 public Bitmap getEphemeralApplicationIcon(String packageName, int userId) { 6129 if (DISABLE_EPHEMERAL_APPS) { 6130 return null; 6131 } 6132 6133 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 6134 "getEphemeralApplicationIcon"); 6135 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6136 true /* requireFullPermission */, false /* checkShell */, 6137 "getEphemeralApplicationIcon"); 6138 synchronized (mPackages) { 6139 return mEphemeralApplicationRegistry.getEphemeralApplicationIconLPw( 6140 packageName, userId); 6141 } 6142 } 6143 6144 private boolean isCallerSameApp(String packageName) { 6145 PackageParser.Package pkg = mPackages.get(packageName); 6146 return pkg != null 6147 && UserHandle.getAppId(Binder.getCallingUid()) == pkg.applicationInfo.uid; 6148 } 6149 6150 @Override 6151 public @NonNull ParceledListSlice<ApplicationInfo> getPersistentApplications(int flags) { 6152 return new ParceledListSlice<>(getPersistentApplicationsInternal(flags)); 6153 } 6154 6155 private @NonNull List<ApplicationInfo> getPersistentApplicationsInternal(int flags) { 6156 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 6157 6158 // reader 6159 synchronized (mPackages) { 6160 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 6161 final int userId = UserHandle.getCallingUserId(); 6162 while (i.hasNext()) { 6163 final PackageParser.Package p = i.next(); 6164 if (p.applicationInfo == null) continue; 6165 6166 final boolean matchesUnaware = ((flags & MATCH_DIRECT_BOOT_UNAWARE) != 0) 6167 && !p.applicationInfo.isDirectBootAware(); 6168 final boolean matchesAware = ((flags & MATCH_DIRECT_BOOT_AWARE) != 0) 6169 && p.applicationInfo.isDirectBootAware(); 6170 6171 if ((p.applicationInfo.flags & ApplicationInfo.FLAG_PERSISTENT) != 0 6172 && (!mSafeMode || isSystemApp(p)) 6173 && (matchesUnaware || matchesAware)) { 6174 PackageSetting ps = mSettings.mPackages.get(p.packageName); 6175 if (ps != null) { 6176 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 6177 ps.readUserState(userId), userId); 6178 if (ai != null) { 6179 finalList.add(ai); 6180 } 6181 } 6182 } 6183 } 6184 } 6185 6186 return finalList; 6187 } 6188 6189 @Override 6190 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 6191 if (!sUserManager.exists(userId)) return null; 6192 flags = updateFlagsForComponent(flags, userId, name); 6193 // reader 6194 synchronized (mPackages) { 6195 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 6196 PackageSetting ps = provider != null 6197 ? mSettings.mPackages.get(provider.owner.packageName) 6198 : null; 6199 return ps != null 6200 && mSettings.isEnabledAndMatchLPr(provider.info, flags, userId) 6201 ? PackageParser.generateProviderInfo(provider, flags, 6202 ps.readUserState(userId), userId) 6203 : null; 6204 } 6205 } 6206 6207 /** 6208 * @deprecated 6209 */ 6210 @Deprecated 6211 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 6212 // reader 6213 synchronized (mPackages) { 6214 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 6215 .entrySet().iterator(); 6216 final int userId = UserHandle.getCallingUserId(); 6217 while (i.hasNext()) { 6218 Map.Entry<String, PackageParser.Provider> entry = i.next(); 6219 PackageParser.Provider p = entry.getValue(); 6220 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6221 6222 if (ps != null && p.syncable 6223 && (!mSafeMode || (p.info.applicationInfo.flags 6224 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 6225 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 6226 ps.readUserState(userId), userId); 6227 if (info != null) { 6228 outNames.add(entry.getKey()); 6229 outInfo.add(info); 6230 } 6231 } 6232 } 6233 } 6234 } 6235 6236 @Override 6237 public @NonNull ParceledListSlice<ProviderInfo> queryContentProviders(String processName, 6238 int uid, int flags) { 6239 final int userId = processName != null ? UserHandle.getUserId(uid) 6240 : UserHandle.getCallingUserId(); 6241 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6242 flags = updateFlagsForComponent(flags, userId, processName); 6243 6244 ArrayList<ProviderInfo> finalList = null; 6245 // reader 6246 synchronized (mPackages) { 6247 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 6248 while (i.hasNext()) { 6249 final PackageParser.Provider p = i.next(); 6250 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6251 if (ps != null && p.info.authority != null 6252 && (processName == null 6253 || (p.info.processName.equals(processName) 6254 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 6255 && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 6256 if (finalList == null) { 6257 finalList = new ArrayList<ProviderInfo>(3); 6258 } 6259 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 6260 ps.readUserState(userId), userId); 6261 if (info != null) { 6262 finalList.add(info); 6263 } 6264 } 6265 } 6266 } 6267 6268 if (finalList != null) { 6269 Collections.sort(finalList, mProviderInitOrderSorter); 6270 return new ParceledListSlice<ProviderInfo>(finalList); 6271 } 6272 6273 return ParceledListSlice.emptyList(); 6274 } 6275 6276 @Override 6277 public InstrumentationInfo getInstrumentationInfo(ComponentName name, int flags) { 6278 // reader 6279 synchronized (mPackages) { 6280 final PackageParser.Instrumentation i = mInstrumentation.get(name); 6281 return PackageParser.generateInstrumentationInfo(i, flags); 6282 } 6283 } 6284 6285 @Override 6286 public @NonNull ParceledListSlice<InstrumentationInfo> queryInstrumentation( 6287 String targetPackage, int flags) { 6288 return new ParceledListSlice<>(queryInstrumentationInternal(targetPackage, flags)); 6289 } 6290 6291 private @NonNull List<InstrumentationInfo> queryInstrumentationInternal(String targetPackage, 6292 int flags) { 6293 ArrayList<InstrumentationInfo> finalList = new ArrayList<InstrumentationInfo>(); 6294 6295 // reader 6296 synchronized (mPackages) { 6297 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 6298 while (i.hasNext()) { 6299 final PackageParser.Instrumentation p = i.next(); 6300 if (targetPackage == null 6301 || targetPackage.equals(p.info.targetPackage)) { 6302 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 6303 flags); 6304 if (ii != null) { 6305 finalList.add(ii); 6306 } 6307 } 6308 } 6309 } 6310 6311 return finalList; 6312 } 6313 6314 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 6315 ArrayMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 6316 if (overlays == null) { 6317 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 6318 return; 6319 } 6320 for (PackageParser.Package opkg : overlays.values()) { 6321 // Not much to do if idmap fails: we already logged the error 6322 // and we certainly don't want to abort installation of pkg simply 6323 // because an overlay didn't fit properly. For these reasons, 6324 // ignore the return value of createIdmapForPackagePairLI. 6325 createIdmapForPackagePairLI(pkg, opkg); 6326 } 6327 } 6328 6329 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 6330 PackageParser.Package opkg) { 6331 if (!opkg.mTrustedOverlay) { 6332 Slog.w(TAG, "Skipping target and overlay pair " + pkg.baseCodePath + " and " + 6333 opkg.baseCodePath + ": overlay not trusted"); 6334 return false; 6335 } 6336 ArrayMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 6337 if (overlaySet == null) { 6338 Slog.e(TAG, "was about to create idmap for " + pkg.baseCodePath + " and " + 6339 opkg.baseCodePath + " but target package has no known overlays"); 6340 return false; 6341 } 6342 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 6343 // TODO: generate idmap for split APKs 6344 try { 6345 mInstaller.idmap(pkg.baseCodePath, opkg.baseCodePath, sharedGid); 6346 } catch (InstallerException e) { 6347 Slog.e(TAG, "Failed to generate idmap for " + pkg.baseCodePath + " and " 6348 + opkg.baseCodePath); 6349 return false; 6350 } 6351 PackageParser.Package[] overlayArray = 6352 overlaySet.values().toArray(new PackageParser.Package[0]); 6353 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 6354 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 6355 return p1.mOverlayPriority - p2.mOverlayPriority; 6356 } 6357 }; 6358 Arrays.sort(overlayArray, cmp); 6359 6360 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 6361 int i = 0; 6362 for (PackageParser.Package p : overlayArray) { 6363 pkg.applicationInfo.resourceDirs[i++] = p.baseCodePath; 6364 } 6365 return true; 6366 } 6367 6368 private void scanDirTracedLI(File dir, int parseFlags, int scanFlags, long currentTime) { 6369 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanDir"); 6370 try { 6371 scanDirLI(dir, parseFlags, scanFlags, currentTime); 6372 } finally { 6373 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6374 } 6375 } 6376 6377 private void scanDirLI(File dir, int parseFlags, int scanFlags, long currentTime) { 6378 final File[] files = dir.listFiles(); 6379 if (ArrayUtils.isEmpty(files)) { 6380 Log.d(TAG, "No files in app dir " + dir); 6381 return; 6382 } 6383 6384 if (DEBUG_PACKAGE_SCANNING) { 6385 Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags 6386 + " flags=0x" + Integer.toHexString(parseFlags)); 6387 } 6388 6389 for (File file : files) { 6390 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 6391 && !PackageInstallerService.isStageName(file.getName()); 6392 if (!isPackage) { 6393 // Ignore entries which are not packages 6394 continue; 6395 } 6396 try { 6397 scanPackageTracedLI(file, parseFlags | PackageParser.PARSE_MUST_BE_APK, 6398 scanFlags, currentTime, null); 6399 } catch (PackageManagerException e) { 6400 Slog.w(TAG, "Failed to parse " + file + ": " + e.getMessage()); 6401 6402 // Delete invalid userdata apps 6403 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 && 6404 e.error == PackageManager.INSTALL_FAILED_INVALID_APK) { 6405 logCriticalInfo(Log.WARN, "Deleting invalid package at " + file); 6406 removeCodePathLI(file); 6407 } 6408 } 6409 } 6410 } 6411 6412 private static File getSettingsProblemFile() { 6413 File dataDir = Environment.getDataDirectory(); 6414 File systemDir = new File(dataDir, "system"); 6415 File fname = new File(systemDir, "uiderrors.txt"); 6416 return fname; 6417 } 6418 6419 static void reportSettingsProblem(int priority, String msg) { 6420 logCriticalInfo(priority, msg); 6421 } 6422 6423 static void logCriticalInfo(int priority, String msg) { 6424 Slog.println(priority, TAG, msg); 6425 EventLogTags.writePmCriticalInfo(msg); 6426 try { 6427 File fname = getSettingsProblemFile(); 6428 FileOutputStream out = new FileOutputStream(fname, true); 6429 PrintWriter pw = new FastPrintWriter(out); 6430 SimpleDateFormat formatter = new SimpleDateFormat(); 6431 String dateString = formatter.format(new Date(System.currentTimeMillis())); 6432 pw.println(dateString + ": " + msg); 6433 pw.close(); 6434 FileUtils.setPermissions( 6435 fname.toString(), 6436 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 6437 -1, -1); 6438 } catch (java.io.IOException e) { 6439 } 6440 } 6441 6442 private void collectCertificatesLI(PackageSetting ps, PackageParser.Package pkg, File srcFile, 6443 int parseFlags) throws PackageManagerException { 6444 if (ps != null 6445 && ps.codePath.equals(srcFile) 6446 && ps.timeStamp == srcFile.lastModified() 6447 && !isCompatSignatureUpdateNeeded(pkg) 6448 && !isRecoverSignatureUpdateNeeded(pkg)) { 6449 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 6450 KeySetManagerService ksms = mSettings.mKeySetManagerService; 6451 ArraySet<PublicKey> signingKs; 6452 synchronized (mPackages) { 6453 signingKs = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId); 6454 } 6455 if (ps.signatures.mSignatures != null 6456 && ps.signatures.mSignatures.length != 0 6457 && signingKs != null) { 6458 // Optimization: reuse the existing cached certificates 6459 // if the package appears to be unchanged. 6460 pkg.mSignatures = ps.signatures.mSignatures; 6461 pkg.mSigningKeys = signingKs; 6462 return; 6463 } 6464 6465 Slog.w(TAG, "PackageSetting for " + ps.name 6466 + " is missing signatures. Collecting certs again to recover them."); 6467 } else { 6468 Log.i(TAG, srcFile.toString() + " changed; collecting certs"); 6469 } 6470 6471 try { 6472 PackageParser.collectCertificates(pkg, parseFlags); 6473 } catch (PackageParserException e) { 6474 throw PackageManagerException.from(e); 6475 } 6476 } 6477 6478 /** 6479 * Traces a package scan. 6480 * @see #scanPackageLI(File, int, int, long, UserHandle) 6481 */ 6482 private PackageParser.Package scanPackageTracedLI(File scanFile, int parseFlags, int scanFlags, 6483 long currentTime, UserHandle user) throws PackageManagerException { 6484 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 6485 try { 6486 return scanPackageLI(scanFile, parseFlags, scanFlags, currentTime, user); 6487 } finally { 6488 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6489 } 6490 } 6491 6492 /** 6493 * Scans a package and returns the newly parsed package. 6494 * Returns {@code null} in case of errors and the error code is stored in mLastScanError 6495 */ 6496 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags, 6497 long currentTime, UserHandle user) throws PackageManagerException { 6498 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 6499 parseFlags |= mDefParseFlags; 6500 PackageParser pp = new PackageParser(); 6501 pp.setSeparateProcesses(mSeparateProcesses); 6502 pp.setOnlyCoreApps(mOnlyCore); 6503 pp.setDisplayMetrics(mMetrics); 6504 6505 if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) { 6506 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 6507 } 6508 6509 final PackageParser.Package pkg; 6510 try { 6511 pkg = pp.parsePackage(scanFile, parseFlags); 6512 } catch (PackageParserException e) { 6513 throw PackageManagerException.from(e); 6514 } 6515 6516 return scanPackageLI(pkg, scanFile, parseFlags, scanFlags, currentTime, user); 6517 } 6518 6519 /** 6520 * Scans a package and returns the newly parsed package. 6521 * @throws PackageManagerException on a parse error. 6522 */ 6523 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, File scanFile, 6524 int parseFlags, int scanFlags, long currentTime, UserHandle user) 6525 throws PackageManagerException { 6526 // If the package has children and this is the first dive in the function 6527 // we scan the package with the SCAN_CHECK_ONLY flag set to see whether all 6528 // packages (parent and children) would be successfully scanned before the 6529 // actual scan since scanning mutates internal state and we want to atomically 6530 // install the package and its children. 6531 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 6532 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 6533 scanFlags |= SCAN_CHECK_ONLY; 6534 } 6535 } else { 6536 scanFlags &= ~SCAN_CHECK_ONLY; 6537 } 6538 6539 // Scan the parent 6540 PackageParser.Package scannedPkg = scanPackageInternalLI(pkg, scanFile, parseFlags, 6541 scanFlags, currentTime, user); 6542 6543 // Scan the children 6544 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 6545 for (int i = 0; i < childCount; i++) { 6546 PackageParser.Package childPackage = pkg.childPackages.get(i); 6547 scanPackageInternalLI(childPackage, scanFile, parseFlags, scanFlags, 6548 currentTime, user); 6549 } 6550 6551 6552 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 6553 return scanPackageLI(pkg, scanFile, parseFlags, scanFlags, currentTime, user); 6554 } 6555 6556 return scannedPkg; 6557 } 6558 6559 /** 6560 * Scans a package and returns the newly parsed package. 6561 * @throws PackageManagerException on a parse error. 6562 */ 6563 private PackageParser.Package scanPackageInternalLI(PackageParser.Package pkg, File scanFile, 6564 int parseFlags, int scanFlags, long currentTime, UserHandle user) 6565 throws PackageManagerException { 6566 PackageSetting ps = null; 6567 PackageSetting updatedPkg; 6568 // reader 6569 synchronized (mPackages) { 6570 // Look to see if we already know about this package. 6571 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 6572 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 6573 // This package has been renamed to its original name. Let's 6574 // use that. 6575 ps = mSettings.peekPackageLPr(oldName); 6576 } 6577 // If there was no original package, see one for the real package name. 6578 if (ps == null) { 6579 ps = mSettings.peekPackageLPr(pkg.packageName); 6580 } 6581 // Check to see if this package could be hiding/updating a system 6582 // package. Must look for it either under the original or real 6583 // package name depending on our state. 6584 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 6585 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 6586 6587 // If this is a package we don't know about on the system partition, we 6588 // may need to remove disabled child packages on the system partition 6589 // or may need to not add child packages if the parent apk is updated 6590 // on the data partition and no longer defines this child package. 6591 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6592 // If this is a parent package for an updated system app and this system 6593 // app got an OTA update which no longer defines some of the child packages 6594 // we have to prune them from the disabled system packages. 6595 PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(pkg.packageName); 6596 if (disabledPs != null) { 6597 final int scannedChildCount = (pkg.childPackages != null) 6598 ? pkg.childPackages.size() : 0; 6599 final int disabledChildCount = disabledPs.childPackageNames != null 6600 ? disabledPs.childPackageNames.size() : 0; 6601 for (int i = 0; i < disabledChildCount; i++) { 6602 String disabledChildPackageName = disabledPs.childPackageNames.get(i); 6603 boolean disabledPackageAvailable = false; 6604 for (int j = 0; j < scannedChildCount; j++) { 6605 PackageParser.Package childPkg = pkg.childPackages.get(j); 6606 if (childPkg.packageName.equals(disabledChildPackageName)) { 6607 disabledPackageAvailable = true; 6608 break; 6609 } 6610 } 6611 if (!disabledPackageAvailable) { 6612 mSettings.removeDisabledSystemPackageLPw(disabledChildPackageName); 6613 } 6614 } 6615 } 6616 } 6617 } 6618 6619 boolean updatedPkgBetter = false; 6620 // First check if this is a system package that may involve an update 6621 if (updatedPkg != null && (parseFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6622 // If new package is not located in "/system/priv-app" (e.g. due to an OTA), 6623 // it needs to drop FLAG_PRIVILEGED. 6624 if (locationIsPrivileged(scanFile)) { 6625 updatedPkg.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6626 } else { 6627 updatedPkg.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6628 } 6629 6630 if (ps != null && !ps.codePath.equals(scanFile)) { 6631 // The path has changed from what was last scanned... check the 6632 // version of the new path against what we have stored to determine 6633 // what to do. 6634 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 6635 if (pkg.mVersionCode <= ps.versionCode) { 6636 // The system package has been updated and the code path does not match 6637 // Ignore entry. Skip it. 6638 if (DEBUG_INSTALL) Slog.i(TAG, "Package " + ps.name + " at " + scanFile 6639 + " ignored: updated version " + ps.versionCode 6640 + " better than this " + pkg.mVersionCode); 6641 if (!updatedPkg.codePath.equals(scanFile)) { 6642 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg " 6643 + ps.name + " changing from " + updatedPkg.codePathString 6644 + " to " + scanFile); 6645 updatedPkg.codePath = scanFile; 6646 updatedPkg.codePathString = scanFile.toString(); 6647 updatedPkg.resourcePath = scanFile; 6648 updatedPkg.resourcePathString = scanFile.toString(); 6649 } 6650 updatedPkg.pkg = pkg; 6651 updatedPkg.versionCode = pkg.mVersionCode; 6652 6653 // Update the disabled system child packages to point to the package too. 6654 final int childCount = updatedPkg.childPackageNames != null 6655 ? updatedPkg.childPackageNames.size() : 0; 6656 for (int i = 0; i < childCount; i++) { 6657 String childPackageName = updatedPkg.childPackageNames.get(i); 6658 PackageSetting updatedChildPkg = mSettings.getDisabledSystemPkgLPr( 6659 childPackageName); 6660 if (updatedChildPkg != null) { 6661 updatedChildPkg.pkg = pkg; 6662 updatedChildPkg.versionCode = pkg.mVersionCode; 6663 } 6664 } 6665 6666 throw new PackageManagerException(Log.WARN, "Package " + ps.name + " at " 6667 + scanFile + " ignored: updated version " + ps.versionCode 6668 + " better than this " + pkg.mVersionCode); 6669 } else { 6670 // The current app on the system partition is better than 6671 // what we have updated to on the data partition; switch 6672 // back to the system partition version. 6673 // At this point, its safely assumed that package installation for 6674 // apps in system partition will go through. If not there won't be a working 6675 // version of the app 6676 // writer 6677 synchronized (mPackages) { 6678 // Just remove the loaded entries from package lists. 6679 mPackages.remove(ps.name); 6680 } 6681 6682 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 6683 + " reverting from " + ps.codePathString 6684 + ": new version " + pkg.mVersionCode 6685 + " better than installed " + ps.versionCode); 6686 6687 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 6688 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 6689 synchronized (mInstallLock) { 6690 args.cleanUpResourcesLI(); 6691 } 6692 synchronized (mPackages) { 6693 mSettings.enableSystemPackageLPw(ps.name); 6694 } 6695 updatedPkgBetter = true; 6696 } 6697 } 6698 } 6699 6700 if (updatedPkg != null) { 6701 // An updated system app will not have the PARSE_IS_SYSTEM flag set 6702 // initially 6703 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 6704 6705 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 6706 // flag set initially 6707 if ((updatedPkg.pkgPrivateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0) { 6708 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 6709 } 6710 } 6711 6712 // Verify certificates against what was last scanned 6713 collectCertificatesLI(ps, pkg, scanFile, parseFlags); 6714 6715 /* 6716 * A new system app appeared, but we already had a non-system one of the 6717 * same name installed earlier. 6718 */ 6719 boolean shouldHideSystemApp = false; 6720 if (updatedPkg == null && ps != null 6721 && (parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 6722 /* 6723 * Check to make sure the signatures match first. If they don't, 6724 * wipe the installed application and its data. 6725 */ 6726 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 6727 != PackageManager.SIGNATURE_MATCH) { 6728 logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but" 6729 + " signatures don't match existing userdata copy; removing"); 6730 deletePackageLI(pkg.packageName, null, true, null, 0, null, false, null); 6731 ps = null; 6732 } else { 6733 /* 6734 * If the newly-added system app is an older version than the 6735 * already installed version, hide it. It will be scanned later 6736 * and re-added like an update. 6737 */ 6738 if (pkg.mVersionCode <= ps.versionCode) { 6739 shouldHideSystemApp = true; 6740 logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile 6741 + " but new version " + pkg.mVersionCode + " better than installed " 6742 + ps.versionCode + "; hiding system"); 6743 } else { 6744 /* 6745 * The newly found system app is a newer version that the 6746 * one previously installed. Simply remove the 6747 * already-installed application and replace it with our own 6748 * while keeping the application data. 6749 */ 6750 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 6751 + " reverting from " + ps.codePathString + ": new version " 6752 + pkg.mVersionCode + " better than installed " + ps.versionCode); 6753 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 6754 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 6755 synchronized (mInstallLock) { 6756 args.cleanUpResourcesLI(); 6757 } 6758 } 6759 } 6760 } 6761 6762 // The apk is forward locked (not public) if its code and resources 6763 // are kept in different files. (except for app in either system or 6764 // vendor path). 6765 // TODO grab this value from PackageSettings 6766 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 6767 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 6768 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 6769 } 6770 } 6771 6772 // TODO: extend to support forward-locked splits 6773 String resourcePath = null; 6774 String baseResourcePath = null; 6775 if ((parseFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 6776 if (ps != null && ps.resourcePathString != null) { 6777 resourcePath = ps.resourcePathString; 6778 baseResourcePath = ps.resourcePathString; 6779 } else { 6780 // Should not happen at all. Just log an error. 6781 Slog.e(TAG, "Resource path not set for package " + pkg.packageName); 6782 } 6783 } else { 6784 resourcePath = pkg.codePath; 6785 baseResourcePath = pkg.baseCodePath; 6786 } 6787 6788 // Set application objects path explicitly. 6789 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 6790 pkg.setApplicationInfoCodePath(pkg.codePath); 6791 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 6792 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 6793 pkg.setApplicationInfoResourcePath(resourcePath); 6794 pkg.setApplicationInfoBaseResourcePath(baseResourcePath); 6795 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 6796 6797 // Note that we invoke the following method only if we are about to unpack an application 6798 PackageParser.Package scannedPkg = scanPackageLI(pkg, parseFlags, scanFlags 6799 | SCAN_UPDATE_SIGNATURE, currentTime, user); 6800 6801 /* 6802 * If the system app should be overridden by a previously installed 6803 * data, hide the system app now and let the /data/app scan pick it up 6804 * again. 6805 */ 6806 if (shouldHideSystemApp) { 6807 synchronized (mPackages) { 6808 mSettings.disableSystemPackageLPw(pkg.packageName, true); 6809 } 6810 } 6811 6812 return scannedPkg; 6813 } 6814 6815 private static String fixProcessName(String defProcessName, 6816 String processName, int uid) { 6817 if (processName == null) { 6818 return defProcessName; 6819 } 6820 return processName; 6821 } 6822 6823 private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) 6824 throws PackageManagerException { 6825 if (pkgSetting.signatures.mSignatures != null) { 6826 // Already existing package. Make sure signatures match 6827 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 6828 == PackageManager.SIGNATURE_MATCH; 6829 if (!match) { 6830 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 6831 == PackageManager.SIGNATURE_MATCH; 6832 } 6833 if (!match) { 6834 match = compareSignaturesRecover(pkgSetting.signatures, pkg) 6835 == PackageManager.SIGNATURE_MATCH; 6836 } 6837 if (!match) { 6838 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 6839 + pkg.packageName + " signatures do not match the " 6840 + "previously installed version; ignoring!"); 6841 } 6842 } 6843 6844 // Check for shared user signatures 6845 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 6846 // Already existing package. Make sure signatures match 6847 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 6848 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 6849 if (!match) { 6850 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 6851 == PackageManager.SIGNATURE_MATCH; 6852 } 6853 if (!match) { 6854 match = compareSignaturesRecover(pkgSetting.sharedUser.signatures, pkg) 6855 == PackageManager.SIGNATURE_MATCH; 6856 } 6857 if (!match) { 6858 throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 6859 "Package " + pkg.packageName 6860 + " has no signatures that match those in shared user " 6861 + pkgSetting.sharedUser.name + "; ignoring!"); 6862 } 6863 } 6864 } 6865 6866 /** 6867 * Enforces that only the system UID or root's UID can call a method exposed 6868 * via Binder. 6869 * 6870 * @param message used as message if SecurityException is thrown 6871 * @throws SecurityException if the caller is not system or root 6872 */ 6873 private static final void enforceSystemOrRoot(String message) { 6874 final int uid = Binder.getCallingUid(); 6875 if (uid != Process.SYSTEM_UID && uid != 0) { 6876 throw new SecurityException(message); 6877 } 6878 } 6879 6880 @Override 6881 public void performFstrimIfNeeded() { 6882 enforceSystemOrRoot("Only the system can request fstrim"); 6883 6884 // Before everything else, see whether we need to fstrim. 6885 try { 6886 IMountService ms = PackageHelper.getMountService(); 6887 if (ms != null) { 6888 final boolean isUpgrade = isUpgrade(); 6889 boolean doTrim = isUpgrade; 6890 if (doTrim) { 6891 Slog.w(TAG, "Running disk maintenance immediately due to system update"); 6892 } else { 6893 final long interval = android.provider.Settings.Global.getLong( 6894 mContext.getContentResolver(), 6895 android.provider.Settings.Global.FSTRIM_MANDATORY_INTERVAL, 6896 DEFAULT_MANDATORY_FSTRIM_INTERVAL); 6897 if (interval > 0) { 6898 final long timeSinceLast = System.currentTimeMillis() - ms.lastMaintenance(); 6899 if (timeSinceLast > interval) { 6900 doTrim = true; 6901 Slog.w(TAG, "No disk maintenance in " + timeSinceLast 6902 + "; running immediately"); 6903 } 6904 } 6905 } 6906 if (doTrim) { 6907 if (!isFirstBoot()) { 6908 try { 6909 ActivityManagerNative.getDefault().showBootMessage( 6910 mContext.getResources().getString( 6911 R.string.android_upgrading_fstrim), true); 6912 } catch (RemoteException e) { 6913 } 6914 } 6915 ms.runMaintenance(); 6916 } 6917 } else { 6918 Slog.e(TAG, "Mount service unavailable!"); 6919 } 6920 } catch (RemoteException e) { 6921 // Can't happen; MountService is local 6922 } 6923 } 6924 6925 @Override 6926 public void updatePackagesIfNeeded() { 6927 enforceSystemOrRoot("Only the system can request package update"); 6928 6929 // We need to re-extract after an OTA. 6930 boolean causeUpgrade = isUpgrade(); 6931 6932 // First boot or factory reset. 6933 // Note: we also handle devices that are upgrading to N right now as if it is their 6934 // first boot, as they do not have profile data. 6935 boolean causeFirstBoot = isFirstBoot() || mIsPreNUpgrade; 6936 6937 // We need to re-extract after a pruned cache, as AoT-ed files will be out of date. 6938 boolean causePrunedCache = VMRuntime.didPruneDalvikCache(); 6939 6940 if (!causeUpgrade && !causeFirstBoot && !causePrunedCache) { 6941 return; 6942 } 6943 6944 List<PackageParser.Package> pkgs; 6945 synchronized (mPackages) { 6946 pkgs = PackageManagerServiceUtils.getPackagesForDexopt(mPackages.values(), this); 6947 } 6948 6949 int curr = 0; 6950 int total = pkgs.size(); 6951 for (PackageParser.Package pkg : pkgs) { 6952 curr++; 6953 6954 if (DEBUG_DEXOPT) { 6955 Log.i(TAG, "Extracting app " + curr + " of " + total + ": " + pkg.packageName); 6956 } 6957 6958 if (PackageDexOptimizer.canOptimizePackage(pkg)) { 6959 // If the cache was pruned, any compiled odex files will likely be out of date 6960 // and would have to be patched (would be SELF_PATCHOAT, which is deprecated). 6961 // Instead, force the extraction in this case. 6962 performDexOpt(pkg.packageName, 6963 null /* instructionSet */, 6964 false /* checkProfiles */, 6965 causeFirstBoot ? REASON_FIRST_BOOT : REASON_BOOT, 6966 false /* force */); 6967 } 6968 } 6969 } 6970 6971 @Override 6972 public void notifyPackageUse(String packageName) { 6973 synchronized (mPackages) { 6974 PackageParser.Package p = mPackages.get(packageName); 6975 if (p == null) { 6976 return; 6977 } 6978 p.mLastPackageUsageTimeInMills = System.currentTimeMillis(); 6979 } 6980 } 6981 6982 // TODO: this is not used nor needed. Delete it. 6983 @Override 6984 public boolean performDexOptIfNeeded(String packageName, String instructionSet) { 6985 return performDexOptTraced(packageName, instructionSet, false /* checkProfiles */, 6986 getFullCompilerFilter(), false /* force */); 6987 } 6988 6989 @Override 6990 public boolean performDexOpt(String packageName, String instructionSet, 6991 boolean checkProfiles, int compileReason, boolean force) { 6992 return performDexOptTraced(packageName, instructionSet, checkProfiles, 6993 getCompilerFilterForReason(compileReason), force); 6994 } 6995 6996 @Override 6997 public boolean performDexOptMode(String packageName, String instructionSet, 6998 boolean checkProfiles, String targetCompilerFilter, boolean force) { 6999 return performDexOptTraced(packageName, instructionSet, checkProfiles, 7000 targetCompilerFilter, force); 7001 } 7002 7003 private boolean performDexOptTraced(String packageName, String instructionSet, 7004 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7005 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 7006 try { 7007 return performDexOptInternal(packageName, instructionSet, checkProfiles, 7008 targetCompilerFilter, force); 7009 } finally { 7010 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7011 } 7012 } 7013 7014 private boolean performDexOptInternal(String packageName, String instructionSet, 7015 boolean checkProfiles, String targetCompilerFilter, boolean force) { 7016 PackageParser.Package p; 7017 final String targetInstructionSet; 7018 synchronized (mPackages) { 7019 p = mPackages.get(packageName); 7020 if (p == null) { 7021 return false; 7022 } 7023 mPackageUsage.write(false); 7024 7025 targetInstructionSet = instructionSet != null ? instructionSet : 7026 getPrimaryInstructionSet(p.applicationInfo); 7027 } 7028 long callingId = Binder.clearCallingIdentity(); 7029 try { 7030 synchronized (mInstallLock) { 7031 final String[] instructionSets = new String[] { targetInstructionSet }; 7032 int result = performDexOptInternalWithDependenciesLI(p, instructionSets, 7033 checkProfiles, targetCompilerFilter, force); 7034 return result == PackageDexOptimizer.DEX_OPT_PERFORMED; 7035 } 7036 } finally { 7037 Binder.restoreCallingIdentity(callingId); 7038 } 7039 } 7040 7041 public ArraySet<String> getOptimizablePackages() { 7042 ArraySet<String> pkgs = new ArraySet<String>(); 7043 synchronized (mPackages) { 7044 for (PackageParser.Package p : mPackages.values()) { 7045 if (PackageDexOptimizer.canOptimizePackage(p)) { 7046 pkgs.add(p.packageName); 7047 } 7048 } 7049 } 7050 return pkgs; 7051 } 7052 7053 private int performDexOptInternalWithDependenciesLI(PackageParser.Package p, 7054 String instructionSets[], boolean checkProfiles, String targetCompilerFilter, 7055 boolean force) { 7056 // Select the dex optimizer based on the force parameter. 7057 // Note: The force option is rarely used (cmdline input for testing, mostly), so it's OK to 7058 // allocate an object here. 7059 PackageDexOptimizer pdo = force 7060 ? new PackageDexOptimizer.ForcedUpdatePackageDexOptimizer(mPackageDexOptimizer) 7061 : mPackageDexOptimizer; 7062 7063 // Optimize all dependencies first. Note: we ignore the return value and march on 7064 // on errors. 7065 Collection<PackageParser.Package> deps = findSharedNonSystemLibraries(p); 7066 if (!deps.isEmpty()) { 7067 for (PackageParser.Package depPackage : deps) { 7068 // TODO: Analyze and investigate if we (should) profile libraries. 7069 // Currently this will do a full compilation of the library by default. 7070 pdo.performDexOpt(depPackage, instructionSets, false /* checkProfiles */, 7071 getCompilerFilterForReason(REASON_NON_SYSTEM_LIBRARY)); 7072 } 7073 } 7074 7075 return pdo.performDexOpt(p, instructionSets, checkProfiles, targetCompilerFilter); 7076 } 7077 7078 Collection<PackageParser.Package> findSharedNonSystemLibraries(PackageParser.Package p) { 7079 if (p.usesLibraries != null || p.usesOptionalLibraries != null) { 7080 ArrayList<PackageParser.Package> retValue = new ArrayList<>(); 7081 Set<String> collectedNames = new HashSet<>(); 7082 findSharedNonSystemLibrariesRecursive(p, retValue, collectedNames); 7083 7084 retValue.remove(p); 7085 7086 return retValue; 7087 } else { 7088 return Collections.emptyList(); 7089 } 7090 } 7091 7092 private void findSharedNonSystemLibrariesRecursive(PackageParser.Package p, 7093 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 7094 if (!collectedNames.contains(p.packageName)) { 7095 collectedNames.add(p.packageName); 7096 collected.add(p); 7097 7098 if (p.usesLibraries != null) { 7099 findSharedNonSystemLibrariesRecursive(p.usesLibraries, collected, collectedNames); 7100 } 7101 if (p.usesOptionalLibraries != null) { 7102 findSharedNonSystemLibrariesRecursive(p.usesOptionalLibraries, collected, 7103 collectedNames); 7104 } 7105 } 7106 } 7107 7108 private void findSharedNonSystemLibrariesRecursive(Collection<String> libs, 7109 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 7110 for (String libName : libs) { 7111 PackageParser.Package libPkg = findSharedNonSystemLibrary(libName); 7112 if (libPkg != null) { 7113 findSharedNonSystemLibrariesRecursive(libPkg, collected, collectedNames); 7114 } 7115 } 7116 } 7117 7118 private PackageParser.Package findSharedNonSystemLibrary(String libName) { 7119 synchronized (mPackages) { 7120 PackageManagerService.SharedLibraryEntry lib = mSharedLibraries.get(libName); 7121 if (lib != null && lib.apk != null) { 7122 return mPackages.get(lib.apk); 7123 } 7124 } 7125 return null; 7126 } 7127 7128 public void shutdown() { 7129 mPackageUsage.write(true); 7130 } 7131 7132 @Override 7133 public void forceDexOpt(String packageName) { 7134 enforceSystemOrRoot("forceDexOpt"); 7135 7136 PackageParser.Package pkg; 7137 synchronized (mPackages) { 7138 pkg = mPackages.get(packageName); 7139 if (pkg == null) { 7140 throw new IllegalArgumentException("Unknown package: " + packageName); 7141 } 7142 } 7143 7144 synchronized (mInstallLock) { 7145 final String[] instructionSets = new String[] { 7146 getPrimaryInstructionSet(pkg.applicationInfo) }; 7147 7148 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 7149 7150 // Whoever is calling forceDexOpt wants a fully compiled package. 7151 // Don't use profiles since that may cause compilation to be skipped. 7152 final int res = performDexOptInternalWithDependenciesLI(pkg, instructionSets, 7153 false /* checkProfiles */, getCompilerFilterForReason(REASON_FORCED_DEXOPT), 7154 true /* force */); 7155 7156 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7157 if (res != PackageDexOptimizer.DEX_OPT_PERFORMED) { 7158 throw new IllegalStateException("Failed to dexopt: " + res); 7159 } 7160 } 7161 } 7162 7163 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 7164 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 7165 Slog.w(TAG, "Unable to update from " + oldPkg.name 7166 + " to " + newPkg.packageName 7167 + ": old package not in system partition"); 7168 return false; 7169 } else if (mPackages.get(oldPkg.name) != null) { 7170 Slog.w(TAG, "Unable to update from " + oldPkg.name 7171 + " to " + newPkg.packageName 7172 + ": old package still exists"); 7173 return false; 7174 } 7175 return true; 7176 } 7177 7178 private boolean removeDataDirsLI(String volumeUuid, String packageName) { 7179 // TODO: triage flags as part of 26466827 7180 final int flags = StorageManager.FLAG_STORAGE_CE | StorageManager.FLAG_STORAGE_DE; 7181 7182 boolean res = true; 7183 final int[] users = sUserManager.getUserIds(); 7184 for (int user : users) { 7185 try { 7186 mInstaller.destroyAppData(volumeUuid, packageName, user, flags); 7187 } catch (InstallerException e) { 7188 Slog.w(TAG, "Failed to delete data directory", e); 7189 res = false; 7190 } 7191 } 7192 return res; 7193 } 7194 7195 void removeCodePathLI(File codePath) { 7196 if (codePath.isDirectory()) { 7197 try { 7198 mInstaller.rmPackageDir(codePath.getAbsolutePath()); 7199 } catch (InstallerException e) { 7200 Slog.w(TAG, "Failed to remove code path", e); 7201 } 7202 } else { 7203 codePath.delete(); 7204 } 7205 } 7206 7207 void destroyAppDataLI(String volumeUuid, String packageName, int userId, int flags) { 7208 try { 7209 mInstaller.destroyAppData(volumeUuid, packageName, userId, flags); 7210 } catch (InstallerException e) { 7211 Slog.w(TAG, "Failed to destroy app data", e); 7212 } 7213 } 7214 7215 void restoreconAppDataLI(String volumeUuid, String packageName, int userId, int flags, 7216 int appId, String seinfo) { 7217 try { 7218 mInstaller.restoreconAppData(volumeUuid, packageName, userId, flags, appId, seinfo); 7219 } catch (InstallerException e) { 7220 Slog.e(TAG, "Failed to restorecon for " + packageName + ": " + e); 7221 } 7222 } 7223 7224 private void deleteProfilesLI(String packageName, boolean destroy) { 7225 final PackageParser.Package pkg; 7226 synchronized (mPackages) { 7227 pkg = mPackages.get(packageName); 7228 } 7229 if (pkg == null) { 7230 Slog.w(TAG, "Failed to delete profiles. No package: " + packageName); 7231 return; 7232 } 7233 deleteProfilesLI(pkg, destroy); 7234 } 7235 7236 private void deleteProfilesLI(PackageParser.Package pkg, boolean destroy) { 7237 try { 7238 if (destroy) { 7239 mInstaller.destroyAppProfiles(pkg.packageName); 7240 } else { 7241 mInstaller.clearAppProfiles(pkg.packageName); 7242 } 7243 } catch (InstallerException ex) { 7244 Log.e(TAG, "Could not delete profiles for package " + pkg.packageName); 7245 } 7246 } 7247 7248 private void deleteCodeCacheDirsLI(String volumeUuid, String packageName) { 7249 final PackageParser.Package pkg; 7250 synchronized (mPackages) { 7251 pkg = mPackages.get(packageName); 7252 } 7253 if (pkg == null) { 7254 Slog.w(TAG, "Failed to delete code cache directory. No package: " + packageName); 7255 return; 7256 } 7257 deleteCodeCacheDirsLI(pkg); 7258 } 7259 7260 private void deleteCodeCacheDirsLI(PackageParser.Package pkg) { 7261 // TODO: triage flags as part of 26466827 7262 final int flags = StorageManager.FLAG_STORAGE_CE | StorageManager.FLAG_STORAGE_DE; 7263 7264 int[] users = sUserManager.getUserIds(); 7265 int res = 0; 7266 for (int user : users) { 7267 // Remove the parent code cache 7268 try { 7269 mInstaller.clearAppData(pkg.volumeUuid, pkg.packageName, user, 7270 flags | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 7271 } catch (InstallerException e) { 7272 Slog.w(TAG, "Failed to delete code cache directory", e); 7273 } 7274 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7275 for (int i = 0; i < childCount; i++) { 7276 PackageParser.Package childPkg = pkg.childPackages.get(i); 7277 // Remove the child code cache 7278 try { 7279 mInstaller.clearAppData(childPkg.volumeUuid, childPkg.packageName, 7280 user, flags | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 7281 } catch (InstallerException e) { 7282 Slog.w(TAG, "Failed to delete code cache directory", e); 7283 } 7284 } 7285 } 7286 } 7287 7288 private void setInstallAndUpdateTime(PackageParser.Package pkg, long firstInstallTime, 7289 long lastUpdateTime) { 7290 // Set parent install/update time 7291 PackageSetting ps = (PackageSetting) pkg.mExtras; 7292 if (ps != null) { 7293 ps.firstInstallTime = firstInstallTime; 7294 ps.lastUpdateTime = lastUpdateTime; 7295 } 7296 // Set children install/update time 7297 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7298 for (int i = 0; i < childCount; i++) { 7299 PackageParser.Package childPkg = pkg.childPackages.get(i); 7300 ps = (PackageSetting) childPkg.mExtras; 7301 if (ps != null) { 7302 ps.firstInstallTime = firstInstallTime; 7303 ps.lastUpdateTime = lastUpdateTime; 7304 } 7305 } 7306 } 7307 7308 private void addSharedLibraryLPw(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 7309 PackageParser.Package changingLib) { 7310 if (file.path != null) { 7311 usesLibraryFiles.add(file.path); 7312 return; 7313 } 7314 PackageParser.Package p = mPackages.get(file.apk); 7315 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 7316 // If we are doing this while in the middle of updating a library apk, 7317 // then we need to make sure to use that new apk for determining the 7318 // dependencies here. (We haven't yet finished committing the new apk 7319 // to the package manager state.) 7320 if (p == null || p.packageName.equals(changingLib.packageName)) { 7321 p = changingLib; 7322 } 7323 } 7324 if (p != null) { 7325 usesLibraryFiles.addAll(p.getAllCodePaths()); 7326 } 7327 } 7328 7329 private void updateSharedLibrariesLPw(PackageParser.Package pkg, 7330 PackageParser.Package changingLib) throws PackageManagerException { 7331 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 7332 final ArraySet<String> usesLibraryFiles = new ArraySet<>(); 7333 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 7334 for (int i=0; i<N; i++) { 7335 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 7336 if (file == null) { 7337 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 7338 "Package " + pkg.packageName + " requires unavailable shared library " 7339 + pkg.usesLibraries.get(i) + "; failing!"); 7340 } 7341 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 7342 } 7343 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 7344 for (int i=0; i<N; i++) { 7345 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 7346 if (file == null) { 7347 Slog.w(TAG, "Package " + pkg.packageName 7348 + " desires unavailable shared library " 7349 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 7350 } else { 7351 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 7352 } 7353 } 7354 N = usesLibraryFiles.size(); 7355 if (N > 0) { 7356 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]); 7357 } else { 7358 pkg.usesLibraryFiles = null; 7359 } 7360 } 7361 } 7362 7363 private static boolean hasString(List<String> list, List<String> which) { 7364 if (list == null) { 7365 return false; 7366 } 7367 for (int i=list.size()-1; i>=0; i--) { 7368 for (int j=which.size()-1; j>=0; j--) { 7369 if (which.get(j).equals(list.get(i))) { 7370 return true; 7371 } 7372 } 7373 } 7374 return false; 7375 } 7376 7377 private void updateAllSharedLibrariesLPw() { 7378 for (PackageParser.Package pkg : mPackages.values()) { 7379 try { 7380 updateSharedLibrariesLPw(pkg, null); 7381 } catch (PackageManagerException e) { 7382 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 7383 } 7384 } 7385 } 7386 7387 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 7388 PackageParser.Package changingPkg) { 7389 ArrayList<PackageParser.Package> res = null; 7390 for (PackageParser.Package pkg : mPackages.values()) { 7391 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 7392 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 7393 if (res == null) { 7394 res = new ArrayList<PackageParser.Package>(); 7395 } 7396 res.add(pkg); 7397 try { 7398 updateSharedLibrariesLPw(pkg, changingPkg); 7399 } catch (PackageManagerException e) { 7400 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 7401 } 7402 } 7403 } 7404 return res; 7405 } 7406 7407 /** 7408 * Derive the value of the {@code cpuAbiOverride} based on the provided 7409 * value and an optional stored value from the package settings. 7410 */ 7411 private static String deriveAbiOverride(String abiOverride, PackageSetting settings) { 7412 String cpuAbiOverride = null; 7413 7414 if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) { 7415 cpuAbiOverride = null; 7416 } else if (abiOverride != null) { 7417 cpuAbiOverride = abiOverride; 7418 } else if (settings != null) { 7419 cpuAbiOverride = settings.cpuAbiOverrideString; 7420 } 7421 7422 return cpuAbiOverride; 7423 } 7424 7425 private PackageParser.Package scanPackageTracedLI(PackageParser.Package pkg, int parseFlags, 7426 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 7427 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 7428 // If the package has children and this is the first dive in the function 7429 // we recursively scan the package with the SCAN_CHECK_ONLY flag set to see 7430 // whether all packages (parent and children) would be successfully scanned 7431 // before the actual scan since scanning mutates internal state and we want 7432 // to atomically install the package and its children. 7433 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7434 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 7435 scanFlags |= SCAN_CHECK_ONLY; 7436 } 7437 } else { 7438 scanFlags &= ~SCAN_CHECK_ONLY; 7439 } 7440 7441 final PackageParser.Package scannedPkg; 7442 try { 7443 // Scan the parent 7444 scannedPkg = scanPackageLI(pkg, parseFlags, scanFlags, currentTime, user); 7445 // Scan the children 7446 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7447 for (int i = 0; i < childCount; i++) { 7448 PackageParser.Package childPkg = pkg.childPackages.get(i); 7449 scanPackageLI(childPkg, parseFlags, 7450 scanFlags, currentTime, user); 7451 } 7452 } finally { 7453 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7454 } 7455 7456 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 7457 return scanPackageTracedLI(pkg, parseFlags, scanFlags, currentTime, user); 7458 } 7459 7460 return scannedPkg; 7461 } 7462 7463 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, int parseFlags, 7464 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 7465 boolean success = false; 7466 try { 7467 final PackageParser.Package res = scanPackageDirtyLI(pkg, parseFlags, scanFlags, 7468 currentTime, user); 7469 success = true; 7470 return res; 7471 } finally { 7472 if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 7473 removeDataDirsLI(pkg.volumeUuid, pkg.packageName); 7474 } 7475 } 7476 } 7477 7478 private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, int parseFlags, 7479 int scanFlags, long currentTime, UserHandle user) 7480 throws PackageManagerException { 7481 final File scanFile = new File(pkg.codePath); 7482 if (pkg.applicationInfo.getCodePath() == null || 7483 pkg.applicationInfo.getResourcePath() == null) { 7484 // Bail out. The resource and code paths haven't been set. 7485 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 7486 "Code and resource paths haven't been set correctly"); 7487 } 7488 7489 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 7490 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 7491 } else { 7492 // Only allow system apps to be flagged as core apps. 7493 pkg.coreApp = false; 7494 } 7495 7496 if ((parseFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 7497 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 7498 } 7499 7500 if (mCustomResolverComponentName != null && 7501 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 7502 setUpCustomResolverActivity(pkg); 7503 } 7504 7505 if (pkg.packageName.equals("android")) { 7506 synchronized (mPackages) { 7507 if (mAndroidApplication != null) { 7508 Slog.w(TAG, "*************************************************"); 7509 Slog.w(TAG, "Core android package being redefined. Skipping."); 7510 Slog.w(TAG, " file=" + scanFile); 7511 Slog.w(TAG, "*************************************************"); 7512 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 7513 "Core android package being redefined. Skipping."); 7514 } 7515 7516 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7517 // Set up information for our fall-back user intent resolution activity. 7518 mPlatformPackage = pkg; 7519 pkg.mVersionCode = mSdkVersion; 7520 mAndroidApplication = pkg.applicationInfo; 7521 7522 if (!mResolverReplaced) { 7523 mResolveActivity.applicationInfo = mAndroidApplication; 7524 mResolveActivity.name = ResolverActivity.class.getName(); 7525 mResolveActivity.packageName = mAndroidApplication.packageName; 7526 mResolveActivity.processName = "system:ui"; 7527 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 7528 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 7529 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 7530 mResolveActivity.theme = R.style.Theme_Holo_Dialog_Alert; 7531 mResolveActivity.exported = true; 7532 mResolveActivity.enabled = true; 7533 mResolveInfo.activityInfo = mResolveActivity; 7534 mResolveInfo.priority = 0; 7535 mResolveInfo.preferredOrder = 0; 7536 mResolveInfo.match = 0; 7537 mResolveComponentName = new ComponentName( 7538 mAndroidApplication.packageName, mResolveActivity.name); 7539 } 7540 } 7541 } 7542 } 7543 7544 if (DEBUG_PACKAGE_SCANNING) { 7545 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 7546 Log.d(TAG, "Scanning package " + pkg.packageName); 7547 } 7548 7549 synchronized (mPackages) { 7550 if (mPackages.containsKey(pkg.packageName) 7551 || mSharedLibraries.containsKey(pkg.packageName)) { 7552 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 7553 "Application package " + pkg.packageName 7554 + " already installed. Skipping duplicate."); 7555 } 7556 7557 // If we're only installing presumed-existing packages, require that the 7558 // scanned APK is both already known and at the path previously established 7559 // for it. Previously unknown packages we pick up normally, but if we have an 7560 // a priori expectation about this package's install presence, enforce it. 7561 // With a singular exception for new system packages. When an OTA contains 7562 // a new system package, we allow the codepath to change from a system location 7563 // to the user-installed location. If we don't allow this change, any newer, 7564 // user-installed version of the application will be ignored. 7565 if ((scanFlags & SCAN_REQUIRE_KNOWN) != 0) { 7566 if (mExpectingBetter.containsKey(pkg.packageName)) { 7567 logCriticalInfo(Log.WARN, 7568 "Relax SCAN_REQUIRE_KNOWN requirement for package " + pkg.packageName); 7569 } else { 7570 PackageSetting known = mSettings.peekPackageLPr(pkg.packageName); 7571 if (known != null) { 7572 if (DEBUG_PACKAGE_SCANNING) { 7573 Log.d(TAG, "Examining " + pkg.codePath 7574 + " and requiring known paths " + known.codePathString 7575 + " & " + known.resourcePathString); 7576 } 7577 if (!pkg.applicationInfo.getCodePath().equals(known.codePathString) 7578 || !pkg.applicationInfo.getResourcePath().equals( 7579 known.resourcePathString)) { 7580 throw new PackageManagerException(INSTALL_FAILED_PACKAGE_CHANGED, 7581 "Application package " + pkg.packageName 7582 + " found at " + pkg.applicationInfo.getCodePath() 7583 + " but expected at " + known.codePathString 7584 + "; ignoring."); 7585 } 7586 } 7587 } 7588 } 7589 } 7590 7591 // Initialize package source and resource directories 7592 File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 7593 File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 7594 7595 SharedUserSetting suid = null; 7596 PackageSetting pkgSetting = null; 7597 7598 if (!isSystemApp(pkg)) { 7599 // Only system apps can use these features. 7600 pkg.mOriginalPackages = null; 7601 pkg.mRealPackage = null; 7602 pkg.mAdoptPermissions = null; 7603 } 7604 7605 // Getting the package setting may have a side-effect, so if we 7606 // are only checking if scan would succeed, stash a copy of the 7607 // old setting to restore at the end. 7608 PackageSetting nonMutatedPs = null; 7609 7610 // writer 7611 synchronized (mPackages) { 7612 if (pkg.mSharedUserId != null) { 7613 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, 0, true); 7614 if (suid == null) { 7615 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 7616 "Creating application package " + pkg.packageName 7617 + " for shared user failed"); 7618 } 7619 if (DEBUG_PACKAGE_SCANNING) { 7620 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 7621 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 7622 + "): packages=" + suid.packages); 7623 } 7624 } 7625 7626 // Check if we are renaming from an original package name. 7627 PackageSetting origPackage = null; 7628 String realName = null; 7629 if (pkg.mOriginalPackages != null) { 7630 // This package may need to be renamed to a previously 7631 // installed name. Let's check on that... 7632 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 7633 if (pkg.mOriginalPackages.contains(renamed)) { 7634 // This package had originally been installed as the 7635 // original name, and we have already taken care of 7636 // transitioning to the new one. Just update the new 7637 // one to continue using the old name. 7638 realName = pkg.mRealPackage; 7639 if (!pkg.packageName.equals(renamed)) { 7640 // Callers into this function may have already taken 7641 // care of renaming the package; only do it here if 7642 // it is not already done. 7643 pkg.setPackageName(renamed); 7644 } 7645 7646 } else { 7647 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 7648 if ((origPackage = mSettings.peekPackageLPr( 7649 pkg.mOriginalPackages.get(i))) != null) { 7650 // We do have the package already installed under its 7651 // original name... should we use it? 7652 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 7653 // New package is not compatible with original. 7654 origPackage = null; 7655 continue; 7656 } else if (origPackage.sharedUser != null) { 7657 // Make sure uid is compatible between packages. 7658 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 7659 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 7660 + " to " + pkg.packageName + ": old uid " 7661 + origPackage.sharedUser.name 7662 + " differs from " + pkg.mSharedUserId); 7663 origPackage = null; 7664 continue; 7665 } 7666 } else { 7667 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 7668 + pkg.packageName + " to old name " + origPackage.name); 7669 } 7670 break; 7671 } 7672 } 7673 } 7674 } 7675 7676 if (mTransferedPackages.contains(pkg.packageName)) { 7677 Slog.w(TAG, "Package " + pkg.packageName 7678 + " was transferred to another, but its .apk remains"); 7679 } 7680 7681 // See comments in nonMutatedPs declaration 7682 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 7683 PackageSetting foundPs = mSettings.peekPackageLPr(pkg.packageName); 7684 if (foundPs != null) { 7685 nonMutatedPs = new PackageSetting(foundPs); 7686 } 7687 } 7688 7689 // Just create the setting, don't add it yet. For already existing packages 7690 // the PkgSetting exists already and doesn't have to be created. 7691 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 7692 destResourceFile, pkg.applicationInfo.nativeLibraryRootDir, 7693 pkg.applicationInfo.primaryCpuAbi, 7694 pkg.applicationInfo.secondaryCpuAbi, 7695 pkg.applicationInfo.flags, pkg.applicationInfo.privateFlags, 7696 user, false); 7697 if (pkgSetting == null) { 7698 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 7699 "Creating application package " + pkg.packageName + " failed"); 7700 } 7701 7702 if (pkgSetting.origPackage != null) { 7703 // If we are first transitioning from an original package, 7704 // fix up the new package's name now. We need to do this after 7705 // looking up the package under its new name, so getPackageLP 7706 // can take care of fiddling things correctly. 7707 pkg.setPackageName(origPackage.name); 7708 7709 // File a report about this. 7710 String msg = "New package " + pkgSetting.realName 7711 + " renamed to replace old package " + pkgSetting.name; 7712 reportSettingsProblem(Log.WARN, msg); 7713 7714 // Make a note of it. 7715 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7716 mTransferedPackages.add(origPackage.name); 7717 } 7718 7719 // No longer need to retain this. 7720 pkgSetting.origPackage = null; 7721 } 7722 7723 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && realName != null) { 7724 // Make a note of it. 7725 mTransferedPackages.add(pkg.packageName); 7726 } 7727 7728 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 7729 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 7730 } 7731 7732 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 7733 // Check all shared libraries and map to their actual file path. 7734 // We only do this here for apps not on a system dir, because those 7735 // are the only ones that can fail an install due to this. We 7736 // will take care of the system apps by updating all of their 7737 // library paths after the scan is done. 7738 updateSharedLibrariesLPw(pkg, null); 7739 } 7740 7741 if (mFoundPolicyFile) { 7742 SELinuxMMAC.assignSeinfoValue(pkg); 7743 } 7744 7745 pkg.applicationInfo.uid = pkgSetting.appId; 7746 pkg.mExtras = pkgSetting; 7747 if (shouldCheckUpgradeKeySetLP(pkgSetting, scanFlags)) { 7748 if (checkUpgradeKeySetLP(pkgSetting, pkg)) { 7749 // We just determined the app is signed correctly, so bring 7750 // over the latest parsed certs. 7751 pkgSetting.signatures.mSignatures = pkg.mSignatures; 7752 } else { 7753 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 7754 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 7755 "Package " + pkg.packageName + " upgrade keys do not match the " 7756 + "previously installed version"); 7757 } else { 7758 pkgSetting.signatures.mSignatures = pkg.mSignatures; 7759 String msg = "System package " + pkg.packageName 7760 + " signature changed; retaining data."; 7761 reportSettingsProblem(Log.WARN, msg); 7762 } 7763 } 7764 } else { 7765 try { 7766 verifySignaturesLP(pkgSetting, pkg); 7767 // We just determined the app is signed correctly, so bring 7768 // over the latest parsed certs. 7769 pkgSetting.signatures.mSignatures = pkg.mSignatures; 7770 } catch (PackageManagerException e) { 7771 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 7772 throw e; 7773 } 7774 // The signature has changed, but this package is in the system 7775 // image... let's recover! 7776 pkgSetting.signatures.mSignatures = pkg.mSignatures; 7777 // However... if this package is part of a shared user, but it 7778 // doesn't match the signature of the shared user, let's fail. 7779 // What this means is that you can't change the signatures 7780 // associated with an overall shared user, which doesn't seem all 7781 // that unreasonable. 7782 if (pkgSetting.sharedUser != null) { 7783 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 7784 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 7785 throw new PackageManagerException( 7786 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 7787 "Signature mismatch for shared user: " 7788 + pkgSetting.sharedUser); 7789 } 7790 } 7791 // File a report about this. 7792 String msg = "System package " + pkg.packageName 7793 + " signature changed; retaining data."; 7794 reportSettingsProblem(Log.WARN, msg); 7795 } 7796 } 7797 // Verify that this new package doesn't have any content providers 7798 // that conflict with existing packages. Only do this if the 7799 // package isn't already installed, since we don't want to break 7800 // things that are installed. 7801 if ((scanFlags & SCAN_NEW_INSTALL) != 0) { 7802 final int N = pkg.providers.size(); 7803 int i; 7804 for (i=0; i<N; i++) { 7805 PackageParser.Provider p = pkg.providers.get(i); 7806 if (p.info.authority != null) { 7807 String names[] = p.info.authority.split(";"); 7808 for (int j = 0; j < names.length; j++) { 7809 if (mProvidersByAuthority.containsKey(names[j])) { 7810 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 7811 final String otherPackageName = 7812 ((other != null && other.getComponentName() != null) ? 7813 other.getComponentName().getPackageName() : "?"); 7814 throw new PackageManagerException( 7815 INSTALL_FAILED_CONFLICTING_PROVIDER, 7816 "Can't install because provider name " + names[j] 7817 + " (in package " + pkg.applicationInfo.packageName 7818 + ") is already used by " + otherPackageName); 7819 } 7820 } 7821 } 7822 } 7823 } 7824 7825 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && pkg.mAdoptPermissions != null) { 7826 // This package wants to adopt ownership of permissions from 7827 // another package. 7828 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 7829 final String origName = pkg.mAdoptPermissions.get(i); 7830 final PackageSetting orig = mSettings.peekPackageLPr(origName); 7831 if (orig != null) { 7832 if (verifyPackageUpdateLPr(orig, pkg)) { 7833 Slog.i(TAG, "Adopting permissions from " + origName + " to " 7834 + pkg.packageName); 7835 mSettings.transferPermissionsLPw(origName, pkg.packageName); 7836 } 7837 } 7838 } 7839 } 7840 } 7841 7842 final String pkgName = pkg.packageName; 7843 7844 final long scanFileTime = scanFile.lastModified(); 7845 final boolean forceDex = (scanFlags & SCAN_FORCE_DEX) != 0; 7846 pkg.applicationInfo.processName = fixProcessName( 7847 pkg.applicationInfo.packageName, 7848 pkg.applicationInfo.processName, 7849 pkg.applicationInfo.uid); 7850 7851 if (pkg != mPlatformPackage) { 7852 // Get all of our default paths setup 7853 pkg.applicationInfo.initForUser(UserHandle.USER_SYSTEM); 7854 } 7855 7856 final String path = scanFile.getPath(); 7857 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 7858 7859 if ((scanFlags & SCAN_NEW_INSTALL) == 0) { 7860 derivePackageAbi(pkg, scanFile, cpuAbiOverride, true /* extract libs */); 7861 7862 // Some system apps still use directory structure for native libraries 7863 // in which case we might end up not detecting abi solely based on apk 7864 // structure. Try to detect abi based on directory structure. 7865 if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp() && 7866 pkg.applicationInfo.primaryCpuAbi == null) { 7867 setBundledAppAbisAndRoots(pkg, pkgSetting); 7868 setNativeLibraryPaths(pkg); 7869 } 7870 7871 } else { 7872 if ((scanFlags & SCAN_MOVE) != 0) { 7873 // We haven't run dex-opt for this move (since we've moved the compiled output too) 7874 // but we already have this packages package info in the PackageSetting. We just 7875 // use that and derive the native library path based on the new codepath. 7876 pkg.applicationInfo.primaryCpuAbi = pkgSetting.primaryCpuAbiString; 7877 pkg.applicationInfo.secondaryCpuAbi = pkgSetting.secondaryCpuAbiString; 7878 } 7879 7880 // Set native library paths again. For moves, the path will be updated based on the 7881 // ABIs we've determined above. For non-moves, the path will be updated based on the 7882 // ABIs we determined during compilation, but the path will depend on the final 7883 // package path (after the rename away from the stage path). 7884 setNativeLibraryPaths(pkg); 7885 } 7886 7887 // This is a special case for the "system" package, where the ABI is 7888 // dictated by the zygote configuration (and init.rc). We should keep track 7889 // of this ABI so that we can deal with "normal" applications that run under 7890 // the same UID correctly. 7891 if (mPlatformPackage == pkg) { 7892 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 7893 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 7894 } 7895 7896 // If there's a mismatch between the abi-override in the package setting 7897 // and the abiOverride specified for the install. Warn about this because we 7898 // would've already compiled the app without taking the package setting into 7899 // account. 7900 if ((scanFlags & SCAN_NO_DEX) == 0 && (scanFlags & SCAN_NEW_INSTALL) != 0) { 7901 if (cpuAbiOverride == null && pkgSetting.cpuAbiOverrideString != null) { 7902 Slog.w(TAG, "Ignoring persisted ABI override " + cpuAbiOverride + 7903 " for package " + pkg.packageName); 7904 } 7905 } 7906 7907 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 7908 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 7909 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 7910 7911 // Copy the derived override back to the parsed package, so that we can 7912 // update the package settings accordingly. 7913 pkg.cpuAbiOverride = cpuAbiOverride; 7914 7915 if (DEBUG_ABI_SELECTION) { 7916 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 7917 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 7918 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 7919 } 7920 7921 // Push the derived path down into PackageSettings so we know what to 7922 // clean up at uninstall time. 7923 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 7924 7925 if (DEBUG_ABI_SELECTION) { 7926 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 7927 " primary=" + pkg.applicationInfo.primaryCpuAbi + 7928 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 7929 } 7930 7931 if ((scanFlags & SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 7932 // We don't do this here during boot because we can do it all 7933 // at once after scanning all existing packages. 7934 // 7935 // We also do this *before* we perform dexopt on this package, so that 7936 // we can avoid redundant dexopts, and also to make sure we've got the 7937 // code and package path correct. 7938 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 7939 pkg, true /* boot complete */); 7940 } 7941 7942 if (mFactoryTest && pkg.requestedPermissions.contains( 7943 android.Manifest.permission.FACTORY_TEST)) { 7944 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 7945 } 7946 7947 ArrayList<PackageParser.Package> clientLibPkgs = null; 7948 7949 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 7950 if (nonMutatedPs != null) { 7951 synchronized (mPackages) { 7952 mSettings.mPackages.put(nonMutatedPs.name, nonMutatedPs); 7953 } 7954 } 7955 return pkg; 7956 } 7957 7958 // Only privileged apps and updated privileged apps can add child packages. 7959 if (pkg.childPackages != null && !pkg.childPackages.isEmpty()) { 7960 if ((parseFlags & PARSE_IS_PRIVILEGED) == 0) { 7961 throw new PackageManagerException("Only privileged apps and updated " 7962 + "privileged apps can add child packages. Ignoring package " 7963 + pkg.packageName); 7964 } 7965 final int childCount = pkg.childPackages.size(); 7966 for (int i = 0; i < childCount; i++) { 7967 PackageParser.Package childPkg = pkg.childPackages.get(i); 7968 if (mSettings.hasOtherDisabledSystemPkgWithChildLPr(pkg.packageName, 7969 childPkg.packageName)) { 7970 throw new PackageManagerException("Cannot override a child package of " 7971 + "another disabled system app. Ignoring package " + pkg.packageName); 7972 } 7973 } 7974 } 7975 7976 // writer 7977 synchronized (mPackages) { 7978 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 7979 // Only system apps can add new shared libraries. 7980 if (pkg.libraryNames != null) { 7981 for (int i=0; i<pkg.libraryNames.size(); i++) { 7982 String name = pkg.libraryNames.get(i); 7983 boolean allowed = false; 7984 if (pkg.isUpdatedSystemApp()) { 7985 // New library entries can only be added through the 7986 // system image. This is important to get rid of a lot 7987 // of nasty edge cases: for example if we allowed a non- 7988 // system update of the app to add a library, then uninstalling 7989 // the update would make the library go away, and assumptions 7990 // we made such as through app install filtering would now 7991 // have allowed apps on the device which aren't compatible 7992 // with it. Better to just have the restriction here, be 7993 // conservative, and create many fewer cases that can negatively 7994 // impact the user experience. 7995 final PackageSetting sysPs = mSettings 7996 .getDisabledSystemPkgLPr(pkg.packageName); 7997 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 7998 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 7999 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 8000 allowed = true; 8001 break; 8002 } 8003 } 8004 } 8005 } else { 8006 allowed = true; 8007 } 8008 if (allowed) { 8009 if (!mSharedLibraries.containsKey(name)) { 8010 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 8011 } else if (!name.equals(pkg.packageName)) { 8012 Slog.w(TAG, "Package " + pkg.packageName + " library " 8013 + name + " already exists; skipping"); 8014 } 8015 } else { 8016 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 8017 + name + " that is not declared on system image; skipping"); 8018 } 8019 } 8020 if ((scanFlags & SCAN_BOOTING) == 0) { 8021 // If we are not booting, we need to update any applications 8022 // that are clients of our shared library. If we are booting, 8023 // this will all be done once the scan is complete. 8024 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 8025 } 8026 } 8027 } 8028 } 8029 8030 // Request the ActivityManager to kill the process(only for existing packages) 8031 // so that we do not end up in a confused state while the user is still using the older 8032 // version of the application while the new one gets installed. 8033 final boolean isReplacing = (scanFlags & SCAN_REPLACING) != 0; 8034 final boolean killApp = (scanFlags & SCAN_DONT_KILL_APP) == 0; 8035 if (killApp) { 8036 if (isReplacing) { 8037 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "killApplication"); 8038 8039 killApplication(pkg.applicationInfo.packageName, 8040 pkg.applicationInfo.uid, "replace pkg"); 8041 8042 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8043 } 8044 } 8045 8046 // Also need to kill any apps that are dependent on the library. 8047 if (clientLibPkgs != null) { 8048 for (int i=0; i<clientLibPkgs.size(); i++) { 8049 PackageParser.Package clientPkg = clientLibPkgs.get(i); 8050 killApplication(clientPkg.applicationInfo.packageName, 8051 clientPkg.applicationInfo.uid, "update lib"); 8052 } 8053 } 8054 8055 // Make sure we're not adding any bogus keyset info 8056 KeySetManagerService ksms = mSettings.mKeySetManagerService; 8057 ksms.assertScannedPackageValid(pkg); 8058 8059 // writer 8060 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 8061 8062 boolean createIdmapFailed = false; 8063 synchronized (mPackages) { 8064 // We don't expect installation to fail beyond this point 8065 8066 // Add the new setting to mSettings 8067 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 8068 // Add the new setting to mPackages 8069 mPackages.put(pkg.applicationInfo.packageName, pkg); 8070 // Make sure we don't accidentally delete its data. 8071 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 8072 while (iter.hasNext()) { 8073 PackageCleanItem item = iter.next(); 8074 if (pkgName.equals(item.packageName)) { 8075 iter.remove(); 8076 } 8077 } 8078 8079 // Take care of first install / last update times. 8080 if (currentTime != 0) { 8081 if (pkgSetting.firstInstallTime == 0) { 8082 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 8083 } else if ((scanFlags&SCAN_UPDATE_TIME) != 0) { 8084 pkgSetting.lastUpdateTime = currentTime; 8085 } 8086 } else if (pkgSetting.firstInstallTime == 0) { 8087 // We need *something*. Take time time stamp of the file. 8088 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 8089 } else if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 8090 if (scanFileTime != pkgSetting.timeStamp) { 8091 // A package on the system image has changed; consider this 8092 // to be an update. 8093 pkgSetting.lastUpdateTime = scanFileTime; 8094 } 8095 } 8096 8097 // Add the package's KeySets to the global KeySetManagerService 8098 ksms.addScannedPackageLPw(pkg); 8099 8100 int N = pkg.providers.size(); 8101 StringBuilder r = null; 8102 int i; 8103 for (i=0; i<N; i++) { 8104 PackageParser.Provider p = pkg.providers.get(i); 8105 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 8106 p.info.processName, pkg.applicationInfo.uid); 8107 mProviders.addProvider(p); 8108 p.syncable = p.info.isSyncable; 8109 if (p.info.authority != null) { 8110 String names[] = p.info.authority.split(";"); 8111 p.info.authority = null; 8112 for (int j = 0; j < names.length; j++) { 8113 if (j == 1 && p.syncable) { 8114 // We only want the first authority for a provider to possibly be 8115 // syncable, so if we already added this provider using a different 8116 // authority clear the syncable flag. We copy the provider before 8117 // changing it because the mProviders object contains a reference 8118 // to a provider that we don't want to change. 8119 // Only do this for the second authority since the resulting provider 8120 // object can be the same for all future authorities for this provider. 8121 p = new PackageParser.Provider(p); 8122 p.syncable = false; 8123 } 8124 if (!mProvidersByAuthority.containsKey(names[j])) { 8125 mProvidersByAuthority.put(names[j], p); 8126 if (p.info.authority == null) { 8127 p.info.authority = names[j]; 8128 } else { 8129 p.info.authority = p.info.authority + ";" + names[j]; 8130 } 8131 if (DEBUG_PACKAGE_SCANNING) { 8132 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 8133 Log.d(TAG, "Registered content provider: " + names[j] 8134 + ", className = " + p.info.name + ", isSyncable = " 8135 + p.info.isSyncable); 8136 } 8137 } else { 8138 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 8139 Slog.w(TAG, "Skipping provider name " + names[j] + 8140 " (in package " + pkg.applicationInfo.packageName + 8141 "): name already used by " 8142 + ((other != null && other.getComponentName() != null) 8143 ? other.getComponentName().getPackageName() : "?")); 8144 } 8145 } 8146 } 8147 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8148 if (r == null) { 8149 r = new StringBuilder(256); 8150 } else { 8151 r.append(' '); 8152 } 8153 r.append(p.info.name); 8154 } 8155 } 8156 if (r != null) { 8157 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 8158 } 8159 8160 N = pkg.services.size(); 8161 r = null; 8162 for (i=0; i<N; i++) { 8163 PackageParser.Service s = pkg.services.get(i); 8164 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 8165 s.info.processName, pkg.applicationInfo.uid); 8166 mServices.addService(s); 8167 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8168 if (r == null) { 8169 r = new StringBuilder(256); 8170 } else { 8171 r.append(' '); 8172 } 8173 r.append(s.info.name); 8174 } 8175 } 8176 if (r != null) { 8177 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 8178 } 8179 8180 N = pkg.receivers.size(); 8181 r = null; 8182 for (i=0; i<N; i++) { 8183 PackageParser.Activity a = pkg.receivers.get(i); 8184 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 8185 a.info.processName, pkg.applicationInfo.uid); 8186 mReceivers.addActivity(a, "receiver"); 8187 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8188 if (r == null) { 8189 r = new StringBuilder(256); 8190 } else { 8191 r.append(' '); 8192 } 8193 r.append(a.info.name); 8194 } 8195 } 8196 if (r != null) { 8197 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 8198 } 8199 8200 N = pkg.activities.size(); 8201 r = null; 8202 for (i=0; i<N; i++) { 8203 PackageParser.Activity a = pkg.activities.get(i); 8204 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 8205 a.info.processName, pkg.applicationInfo.uid); 8206 mActivities.addActivity(a, "activity"); 8207 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8208 if (r == null) { 8209 r = new StringBuilder(256); 8210 } else { 8211 r.append(' '); 8212 } 8213 r.append(a.info.name); 8214 } 8215 } 8216 if (r != null) { 8217 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 8218 } 8219 8220 N = pkg.permissionGroups.size(); 8221 r = null; 8222 for (i=0; i<N; i++) { 8223 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 8224 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 8225 if (cur == null) { 8226 mPermissionGroups.put(pg.info.name, pg); 8227 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8228 if (r == null) { 8229 r = new StringBuilder(256); 8230 } else { 8231 r.append(' '); 8232 } 8233 r.append(pg.info.name); 8234 } 8235 } else { 8236 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 8237 + pg.info.packageName + " ignored: original from " 8238 + cur.info.packageName); 8239 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8240 if (r == null) { 8241 r = new StringBuilder(256); 8242 } else { 8243 r.append(' '); 8244 } 8245 r.append("DUP:"); 8246 r.append(pg.info.name); 8247 } 8248 } 8249 } 8250 if (r != null) { 8251 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 8252 } 8253 8254 N = pkg.permissions.size(); 8255 r = null; 8256 for (i=0; i<N; i++) { 8257 PackageParser.Permission p = pkg.permissions.get(i); 8258 8259 // Assume by default that we did not install this permission into the system. 8260 p.info.flags &= ~PermissionInfo.FLAG_INSTALLED; 8261 8262 // Now that permission groups have a special meaning, we ignore permission 8263 // groups for legacy apps to prevent unexpected behavior. In particular, 8264 // permissions for one app being granted to someone just becase they happen 8265 // to be in a group defined by another app (before this had no implications). 8266 if (pkg.applicationInfo.targetSdkVersion > Build.VERSION_CODES.LOLLIPOP_MR1) { 8267 p.group = mPermissionGroups.get(p.info.group); 8268 // Warn for a permission in an unknown group. 8269 if (p.info.group != null && p.group == null) { 8270 Slog.w(TAG, "Permission " + p.info.name + " from package " 8271 + p.info.packageName + " in an unknown group " + p.info.group); 8272 } 8273 } 8274 8275 ArrayMap<String, BasePermission> permissionMap = 8276 p.tree ? mSettings.mPermissionTrees 8277 : mSettings.mPermissions; 8278 BasePermission bp = permissionMap.get(p.info.name); 8279 8280 // Allow system apps to redefine non-system permissions 8281 if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) { 8282 final boolean currentOwnerIsSystem = (bp.perm != null 8283 && isSystemApp(bp.perm.owner)); 8284 if (isSystemApp(p.owner)) { 8285 if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) { 8286 // It's a built-in permission and no owner, take ownership now 8287 bp.packageSetting = pkgSetting; 8288 bp.perm = p; 8289 bp.uid = pkg.applicationInfo.uid; 8290 bp.sourcePackage = p.info.packageName; 8291 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 8292 } else if (!currentOwnerIsSystem) { 8293 String msg = "New decl " + p.owner + " of permission " 8294 + p.info.name + " is system; overriding " + bp.sourcePackage; 8295 reportSettingsProblem(Log.WARN, msg); 8296 bp = null; 8297 } 8298 } 8299 } 8300 8301 if (bp == null) { 8302 bp = new BasePermission(p.info.name, p.info.packageName, 8303 BasePermission.TYPE_NORMAL); 8304 permissionMap.put(p.info.name, bp); 8305 } 8306 8307 if (bp.perm == null) { 8308 if (bp.sourcePackage == null 8309 || bp.sourcePackage.equals(p.info.packageName)) { 8310 BasePermission tree = findPermissionTreeLP(p.info.name); 8311 if (tree == null 8312 || tree.sourcePackage.equals(p.info.packageName)) { 8313 bp.packageSetting = pkgSetting; 8314 bp.perm = p; 8315 bp.uid = pkg.applicationInfo.uid; 8316 bp.sourcePackage = p.info.packageName; 8317 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 8318 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8319 if (r == null) { 8320 r = new StringBuilder(256); 8321 } else { 8322 r.append(' '); 8323 } 8324 r.append(p.info.name); 8325 } 8326 } else { 8327 Slog.w(TAG, "Permission " + p.info.name + " from package " 8328 + p.info.packageName + " ignored: base tree " 8329 + tree.name + " is from package " 8330 + tree.sourcePackage); 8331 } 8332 } else { 8333 Slog.w(TAG, "Permission " + p.info.name + " from package " 8334 + p.info.packageName + " ignored: original from " 8335 + bp.sourcePackage); 8336 } 8337 } else if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8338 if (r == null) { 8339 r = new StringBuilder(256); 8340 } else { 8341 r.append(' '); 8342 } 8343 r.append("DUP:"); 8344 r.append(p.info.name); 8345 } 8346 if (bp.perm == p) { 8347 bp.protectionLevel = p.info.protectionLevel; 8348 } 8349 } 8350 8351 if (r != null) { 8352 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 8353 } 8354 8355 N = pkg.instrumentation.size(); 8356 r = null; 8357 for (i=0; i<N; i++) { 8358 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 8359 a.info.packageName = pkg.applicationInfo.packageName; 8360 a.info.sourceDir = pkg.applicationInfo.sourceDir; 8361 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 8362 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 8363 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 8364 a.info.dataDir = pkg.applicationInfo.dataDir; 8365 a.info.deviceProtectedDataDir = pkg.applicationInfo.deviceProtectedDataDir; 8366 a.info.credentialProtectedDataDir = pkg.applicationInfo.credentialProtectedDataDir; 8367 8368 // TODO: Update instrumentation.nativeLibraryDir as well ? Does it 8369 // need other information about the application, like the ABI and what not ? 8370 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 8371 mInstrumentation.put(a.getComponentName(), a); 8372 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8373 if (r == null) { 8374 r = new StringBuilder(256); 8375 } else { 8376 r.append(' '); 8377 } 8378 r.append(a.info.name); 8379 } 8380 } 8381 if (r != null) { 8382 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 8383 } 8384 8385 if (pkg.protectedBroadcasts != null) { 8386 N = pkg.protectedBroadcasts.size(); 8387 for (i=0; i<N; i++) { 8388 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 8389 } 8390 } 8391 8392 pkgSetting.setTimeStamp(scanFileTime); 8393 8394 // Create idmap files for pairs of (packages, overlay packages). 8395 // Note: "android", ie framework-res.apk, is handled by native layers. 8396 if (pkg.mOverlayTarget != null) { 8397 // This is an overlay package. 8398 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 8399 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 8400 mOverlays.put(pkg.mOverlayTarget, 8401 new ArrayMap<String, PackageParser.Package>()); 8402 } 8403 ArrayMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 8404 map.put(pkg.packageName, pkg); 8405 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 8406 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 8407 createIdmapFailed = true; 8408 } 8409 } 8410 } else if (mOverlays.containsKey(pkg.packageName) && 8411 !pkg.packageName.equals("android")) { 8412 // This is a regular package, with one or more known overlay packages. 8413 createIdmapsForPackageLI(pkg); 8414 } 8415 } 8416 8417 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8418 8419 if (createIdmapFailed) { 8420 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 8421 "scanPackageLI failed to createIdmap"); 8422 } 8423 return pkg; 8424 } 8425 8426 /** 8427 * Derive the ABI of a non-system package located at {@code scanFile}. This information 8428 * is derived purely on the basis of the contents of {@code scanFile} and 8429 * {@code cpuAbiOverride}. 8430 * 8431 * If {@code extractLibs} is true, native libraries are extracted from the app if required. 8432 */ 8433 private void derivePackageAbi(PackageParser.Package pkg, File scanFile, 8434 String cpuAbiOverride, boolean extractLibs) 8435 throws PackageManagerException { 8436 // TODO: We can probably be smarter about this stuff. For installed apps, 8437 // we can calculate this information at install time once and for all. For 8438 // system apps, we can probably assume that this information doesn't change 8439 // after the first boot scan. As things stand, we do lots of unnecessary work. 8440 8441 // Give ourselves some initial paths; we'll come back for another 8442 // pass once we've determined ABI below. 8443 setNativeLibraryPaths(pkg); 8444 8445 // We would never need to extract libs for forward-locked and external packages, 8446 // since the container service will do it for us. We shouldn't attempt to 8447 // extract libs from system app when it was not updated. 8448 if (pkg.isForwardLocked() || pkg.applicationInfo.isExternalAsec() || 8449 (isSystemApp(pkg) && !pkg.isUpdatedSystemApp())) { 8450 extractLibs = false; 8451 } 8452 8453 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 8454 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 8455 8456 NativeLibraryHelper.Handle handle = null; 8457 try { 8458 handle = NativeLibraryHelper.Handle.create(pkg); 8459 // TODO(multiArch): This can be null for apps that didn't go through the 8460 // usual installation process. We can calculate it again, like we 8461 // do during install time. 8462 // 8463 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 8464 // unnecessary. 8465 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 8466 8467 // Null out the abis so that they can be recalculated. 8468 pkg.applicationInfo.primaryCpuAbi = null; 8469 pkg.applicationInfo.secondaryCpuAbi = null; 8470 if (isMultiArch(pkg.applicationInfo)) { 8471 // Warn if we've set an abiOverride for multi-lib packages.. 8472 // By definition, we need to copy both 32 and 64 bit libraries for 8473 // such packages. 8474 if (pkg.cpuAbiOverride != null 8475 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 8476 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 8477 } 8478 8479 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 8480 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 8481 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 8482 if (extractLibs) { 8483 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 8484 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 8485 useIsaSpecificSubdirs); 8486 } else { 8487 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 8488 } 8489 } 8490 8491 maybeThrowExceptionForMultiArchCopy( 8492 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 8493 8494 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 8495 if (extractLibs) { 8496 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 8497 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 8498 useIsaSpecificSubdirs); 8499 } else { 8500 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 8501 } 8502 } 8503 8504 maybeThrowExceptionForMultiArchCopy( 8505 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 8506 8507 if (abi64 >= 0) { 8508 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 8509 } 8510 8511 if (abi32 >= 0) { 8512 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 8513 if (abi64 >= 0) { 8514 if (cpuAbiOverride == null && pkg.use32bitAbi) { 8515 pkg.applicationInfo.secondaryCpuAbi = pkg.applicationInfo.primaryCpuAbi; 8516 pkg.applicationInfo.primaryCpuAbi = abi; 8517 } else { 8518 pkg.applicationInfo.secondaryCpuAbi = abi; 8519 } 8520 } else { 8521 pkg.applicationInfo.primaryCpuAbi = abi; 8522 } 8523 } 8524 8525 } else { 8526 String[] abiList = (cpuAbiOverride != null) ? 8527 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 8528 8529 // Enable gross and lame hacks for apps that are built with old 8530 // SDK tools. We must scan their APKs for renderscript bitcode and 8531 // not launch them if it's present. Don't bother checking on devices 8532 // that don't have 64 bit support. 8533 boolean needsRenderScriptOverride = false; 8534 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 8535 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 8536 abiList = Build.SUPPORTED_32_BIT_ABIS; 8537 needsRenderScriptOverride = true; 8538 } 8539 8540 final int copyRet; 8541 if (extractLibs) { 8542 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 8543 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 8544 } else { 8545 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 8546 } 8547 8548 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 8549 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 8550 "Error unpackaging native libs for app, errorCode=" + copyRet); 8551 } 8552 8553 if (copyRet >= 0) { 8554 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 8555 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 8556 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 8557 } else if (needsRenderScriptOverride) { 8558 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 8559 } 8560 } 8561 } catch (IOException ioe) { 8562 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 8563 } finally { 8564 IoUtils.closeQuietly(handle); 8565 } 8566 8567 // Now that we've calculated the ABIs and determined if it's an internal app, 8568 // we will go ahead and populate the nativeLibraryPath. 8569 setNativeLibraryPaths(pkg); 8570 } 8571 8572 /** 8573 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 8574 * i.e, so that all packages can be run inside a single process if required. 8575 * 8576 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 8577 * this function will either try and make the ABI for all packages in {@code packagesForUser} 8578 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 8579 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 8580 * updating a package that belongs to a shared user. 8581 * 8582 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 8583 * adds unnecessary complexity. 8584 */ 8585 private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 8586 PackageParser.Package scannedPackage, boolean bootComplete) { 8587 String requiredInstructionSet = null; 8588 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 8589 requiredInstructionSet = VMRuntime.getInstructionSet( 8590 scannedPackage.applicationInfo.primaryCpuAbi); 8591 } 8592 8593 PackageSetting requirer = null; 8594 for (PackageSetting ps : packagesForUser) { 8595 // If packagesForUser contains scannedPackage, we skip it. This will happen 8596 // when scannedPackage is an update of an existing package. Without this check, 8597 // we will never be able to change the ABI of any package belonging to a shared 8598 // user, even if it's compatible with other packages. 8599 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 8600 if (ps.primaryCpuAbiString == null) { 8601 continue; 8602 } 8603 8604 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 8605 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 8606 // We have a mismatch between instruction sets (say arm vs arm64) warn about 8607 // this but there's not much we can do. 8608 String errorMessage = "Instruction set mismatch, " 8609 + ((requirer == null) ? "[caller]" : requirer) 8610 + " requires " + requiredInstructionSet + " whereas " + ps 8611 + " requires " + instructionSet; 8612 Slog.w(TAG, errorMessage); 8613 } 8614 8615 if (requiredInstructionSet == null) { 8616 requiredInstructionSet = instructionSet; 8617 requirer = ps; 8618 } 8619 } 8620 } 8621 8622 if (requiredInstructionSet != null) { 8623 String adjustedAbi; 8624 if (requirer != null) { 8625 // requirer != null implies that either scannedPackage was null or that scannedPackage 8626 // did not require an ABI, in which case we have to adjust scannedPackage to match 8627 // the ABI of the set (which is the same as requirer's ABI) 8628 adjustedAbi = requirer.primaryCpuAbiString; 8629 if (scannedPackage != null) { 8630 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 8631 } 8632 } else { 8633 // requirer == null implies that we're updating all ABIs in the set to 8634 // match scannedPackage. 8635 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 8636 } 8637 8638 for (PackageSetting ps : packagesForUser) { 8639 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 8640 if (ps.primaryCpuAbiString != null) { 8641 continue; 8642 } 8643 8644 ps.primaryCpuAbiString = adjustedAbi; 8645 if (ps.pkg != null && ps.pkg.applicationInfo != null && 8646 !TextUtils.equals(adjustedAbi, ps.pkg.applicationInfo.primaryCpuAbi)) { 8647 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 8648 Slog.i(TAG, "Adjusting ABI for " + ps.name + " to " + adjustedAbi 8649 + " (requirer=" 8650 + (requirer == null ? "null" : requirer.pkg.packageName) 8651 + ", scannedPackage=" 8652 + (scannedPackage != null ? scannedPackage.packageName : "null") 8653 + ")"); 8654 try { 8655 mInstaller.rmdex(ps.codePathString, 8656 getDexCodeInstructionSet(getPreferredInstructionSet())); 8657 } catch (InstallerException ignored) { 8658 } 8659 } 8660 } 8661 } 8662 } 8663 } 8664 8665 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 8666 synchronized (mPackages) { 8667 mResolverReplaced = true; 8668 // Set up information for custom user intent resolution activity. 8669 mResolveActivity.applicationInfo = pkg.applicationInfo; 8670 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 8671 mResolveActivity.packageName = pkg.applicationInfo.packageName; 8672 mResolveActivity.processName = pkg.applicationInfo.packageName; 8673 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 8674 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 8675 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 8676 mResolveActivity.theme = 0; 8677 mResolveActivity.exported = true; 8678 mResolveActivity.enabled = true; 8679 mResolveInfo.activityInfo = mResolveActivity; 8680 mResolveInfo.priority = 0; 8681 mResolveInfo.preferredOrder = 0; 8682 mResolveInfo.match = 0; 8683 mResolveComponentName = mCustomResolverComponentName; 8684 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 8685 mResolveComponentName); 8686 } 8687 } 8688 8689 private void setUpEphemeralInstallerActivityLP(ComponentName installerComponent) { 8690 final PackageParser.Package pkg = mPackages.get(installerComponent.getPackageName()); 8691 8692 // Set up information for ephemeral installer activity 8693 mEphemeralInstallerActivity.applicationInfo = pkg.applicationInfo; 8694 mEphemeralInstallerActivity.name = mEphemeralInstallerComponent.getClassName(); 8695 mEphemeralInstallerActivity.packageName = pkg.applicationInfo.packageName; 8696 mEphemeralInstallerActivity.processName = pkg.applicationInfo.packageName; 8697 mEphemeralInstallerActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 8698 mEphemeralInstallerActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 8699 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 8700 mEphemeralInstallerActivity.theme = 0; 8701 mEphemeralInstallerActivity.exported = true; 8702 mEphemeralInstallerActivity.enabled = true; 8703 mEphemeralInstallerInfo.activityInfo = mEphemeralInstallerActivity; 8704 mEphemeralInstallerInfo.priority = 0; 8705 mEphemeralInstallerInfo.preferredOrder = 0; 8706 mEphemeralInstallerInfo.match = 0; 8707 8708 if (DEBUG_EPHEMERAL) { 8709 Slog.d(TAG, "Set ephemeral installer activity: " + mEphemeralInstallerComponent); 8710 } 8711 } 8712 8713 private static String calculateBundledApkRoot(final String codePathString) { 8714 final File codePath = new File(codePathString); 8715 final File codeRoot; 8716 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 8717 codeRoot = Environment.getRootDirectory(); 8718 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 8719 codeRoot = Environment.getOemDirectory(); 8720 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 8721 codeRoot = Environment.getVendorDirectory(); 8722 } else { 8723 // Unrecognized code path; take its top real segment as the apk root: 8724 // e.g. /something/app/blah.apk => /something 8725 try { 8726 File f = codePath.getCanonicalFile(); 8727 File parent = f.getParentFile(); // non-null because codePath is a file 8728 File tmp; 8729 while ((tmp = parent.getParentFile()) != null) { 8730 f = parent; 8731 parent = tmp; 8732 } 8733 codeRoot = f; 8734 Slog.w(TAG, "Unrecognized code path " 8735 + codePath + " - using " + codeRoot); 8736 } catch (IOException e) { 8737 // Can't canonicalize the code path -- shenanigans? 8738 Slog.w(TAG, "Can't canonicalize code path " + codePath); 8739 return Environment.getRootDirectory().getPath(); 8740 } 8741 } 8742 return codeRoot.getPath(); 8743 } 8744 8745 /** 8746 * Derive and set the location of native libraries for the given package, 8747 * which varies depending on where and how the package was installed. 8748 */ 8749 private void setNativeLibraryPaths(PackageParser.Package pkg) { 8750 final ApplicationInfo info = pkg.applicationInfo; 8751 final String codePath = pkg.codePath; 8752 final File codeFile = new File(codePath); 8753 final boolean bundledApp = info.isSystemApp() && !info.isUpdatedSystemApp(); 8754 final boolean asecApp = info.isForwardLocked() || info.isExternalAsec(); 8755 8756 info.nativeLibraryRootDir = null; 8757 info.nativeLibraryRootRequiresIsa = false; 8758 info.nativeLibraryDir = null; 8759 info.secondaryNativeLibraryDir = null; 8760 8761 if (isApkFile(codeFile)) { 8762 // Monolithic install 8763 if (bundledApp) { 8764 // If "/system/lib64/apkname" exists, assume that is the per-package 8765 // native library directory to use; otherwise use "/system/lib/apkname". 8766 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 8767 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 8768 getPrimaryInstructionSet(info)); 8769 8770 // This is a bundled system app so choose the path based on the ABI. 8771 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 8772 // is just the default path. 8773 final String apkName = deriveCodePathName(codePath); 8774 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 8775 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 8776 apkName).getAbsolutePath(); 8777 8778 if (info.secondaryCpuAbi != null) { 8779 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 8780 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 8781 secondaryLibDir, apkName).getAbsolutePath(); 8782 } 8783 } else if (asecApp) { 8784 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 8785 .getAbsolutePath(); 8786 } else { 8787 final String apkName = deriveCodePathName(codePath); 8788 info.nativeLibraryRootDir = new File(mAppLib32InstallDir, apkName) 8789 .getAbsolutePath(); 8790 } 8791 8792 info.nativeLibraryRootRequiresIsa = false; 8793 info.nativeLibraryDir = info.nativeLibraryRootDir; 8794 } else { 8795 // Cluster install 8796 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 8797 info.nativeLibraryRootRequiresIsa = true; 8798 8799 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 8800 getPrimaryInstructionSet(info)).getAbsolutePath(); 8801 8802 if (info.secondaryCpuAbi != null) { 8803 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 8804 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 8805 } 8806 } 8807 } 8808 8809 /** 8810 * Calculate the abis and roots for a bundled app. These can uniquely 8811 * be determined from the contents of the system partition, i.e whether 8812 * it contains 64 or 32 bit shared libraries etc. We do not validate any 8813 * of this information, and instead assume that the system was built 8814 * sensibly. 8815 */ 8816 private void setBundledAppAbisAndRoots(PackageParser.Package pkg, 8817 PackageSetting pkgSetting) { 8818 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 8819 8820 // If "/system/lib64/apkname" exists, assume that is the per-package 8821 // native library directory to use; otherwise use "/system/lib/apkname". 8822 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 8823 setBundledAppAbi(pkg, apkRoot, apkName); 8824 // pkgSetting might be null during rescan following uninstall of updates 8825 // to a bundled app, so accommodate that possibility. The settings in 8826 // that case will be established later from the parsed package. 8827 // 8828 // If the settings aren't null, sync them up with what we've just derived. 8829 // note that apkRoot isn't stored in the package settings. 8830 if (pkgSetting != null) { 8831 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 8832 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 8833 } 8834 } 8835 8836 /** 8837 * Deduces the ABI of a bundled app and sets the relevant fields on the 8838 * parsed pkg object. 8839 * 8840 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 8841 * under which system libraries are installed. 8842 * @param apkName the name of the installed package. 8843 */ 8844 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 8845 final File codeFile = new File(pkg.codePath); 8846 8847 final boolean has64BitLibs; 8848 final boolean has32BitLibs; 8849 if (isApkFile(codeFile)) { 8850 // Monolithic install 8851 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 8852 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 8853 } else { 8854 // Cluster install 8855 final File rootDir = new File(codeFile, LIB_DIR_NAME); 8856 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 8857 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 8858 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 8859 has64BitLibs = (new File(rootDir, isa)).exists(); 8860 } else { 8861 has64BitLibs = false; 8862 } 8863 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 8864 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 8865 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 8866 has32BitLibs = (new File(rootDir, isa)).exists(); 8867 } else { 8868 has32BitLibs = false; 8869 } 8870 } 8871 8872 if (has64BitLibs && !has32BitLibs) { 8873 // The package has 64 bit libs, but not 32 bit libs. Its primary 8874 // ABI should be 64 bit. We can safely assume here that the bundled 8875 // native libraries correspond to the most preferred ABI in the list. 8876 8877 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 8878 pkg.applicationInfo.secondaryCpuAbi = null; 8879 } else if (has32BitLibs && !has64BitLibs) { 8880 // The package has 32 bit libs but not 64 bit libs. Its primary 8881 // ABI should be 32 bit. 8882 8883 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 8884 pkg.applicationInfo.secondaryCpuAbi = null; 8885 } else if (has32BitLibs && has64BitLibs) { 8886 // The application has both 64 and 32 bit bundled libraries. We check 8887 // here that the app declares multiArch support, and warn if it doesn't. 8888 // 8889 // We will be lenient here and record both ABIs. The primary will be the 8890 // ABI that's higher on the list, i.e, a device that's configured to prefer 8891 // 64 bit apps will see a 64 bit primary ABI, 8892 8893 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 8894 Slog.e(TAG, "Package " + pkg + " has multiple bundled libs, but is not multiarch."); 8895 } 8896 8897 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 8898 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 8899 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 8900 } else { 8901 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 8902 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 8903 } 8904 } else { 8905 pkg.applicationInfo.primaryCpuAbi = null; 8906 pkg.applicationInfo.secondaryCpuAbi = null; 8907 } 8908 } 8909 8910 private void killPackage(PackageParser.Package pkg, String reason) { 8911 // Kill the parent package 8912 killApplication(pkg.packageName, pkg.applicationInfo.uid, reason); 8913 // Kill the child packages 8914 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8915 for (int i = 0; i < childCount; i++) { 8916 PackageParser.Package childPkg = pkg.childPackages.get(i); 8917 killApplication(childPkg.packageName, childPkg.applicationInfo.uid, reason); 8918 } 8919 } 8920 8921 private void killApplication(String pkgName, int appId, String reason) { 8922 // Request the ActivityManager to kill the process(only for existing packages) 8923 // so that we do not end up in a confused state while the user is still using the older 8924 // version of the application while the new one gets installed. 8925 IActivityManager am = ActivityManagerNative.getDefault(); 8926 if (am != null) { 8927 try { 8928 am.killApplicationWithAppId(pkgName, appId, reason); 8929 } catch (RemoteException e) { 8930 } 8931 } 8932 } 8933 8934 private void removePackageLI(PackageParser.Package pkg, boolean chatty) { 8935 // Remove the parent package setting 8936 PackageSetting ps = (PackageSetting) pkg.mExtras; 8937 if (ps != null) { 8938 removePackageLI(ps, chatty); 8939 } 8940 // Remove the child package setting 8941 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8942 for (int i = 0; i < childCount; i++) { 8943 PackageParser.Package childPkg = pkg.childPackages.get(i); 8944 ps = (PackageSetting) childPkg.mExtras; 8945 if (ps != null) { 8946 removePackageLI(ps, chatty); 8947 } 8948 } 8949 } 8950 8951 void removePackageLI(PackageSetting ps, boolean chatty) { 8952 if (DEBUG_INSTALL) { 8953 if (chatty) 8954 Log.d(TAG, "Removing package " + ps.name); 8955 } 8956 8957 // writer 8958 synchronized (mPackages) { 8959 mPackages.remove(ps.name); 8960 final PackageParser.Package pkg = ps.pkg; 8961 if (pkg != null) { 8962 cleanPackageDataStructuresLILPw(pkg, chatty); 8963 } 8964 } 8965 } 8966 8967 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 8968 if (DEBUG_INSTALL) { 8969 if (chatty) 8970 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 8971 } 8972 8973 // writer 8974 synchronized (mPackages) { 8975 // Remove the parent package 8976 mPackages.remove(pkg.applicationInfo.packageName); 8977 cleanPackageDataStructuresLILPw(pkg, chatty); 8978 8979 // Remove the child packages 8980 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8981 for (int i = 0; i < childCount; i++) { 8982 PackageParser.Package childPkg = pkg.childPackages.get(i); 8983 mPackages.remove(childPkg.applicationInfo.packageName); 8984 cleanPackageDataStructuresLILPw(childPkg, chatty); 8985 } 8986 } 8987 } 8988 8989 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 8990 int N = pkg.providers.size(); 8991 StringBuilder r = null; 8992 int i; 8993 for (i=0; i<N; i++) { 8994 PackageParser.Provider p = pkg.providers.get(i); 8995 mProviders.removeProvider(p); 8996 if (p.info.authority == null) { 8997 8998 /* There was another ContentProvider with this authority when 8999 * this app was installed so this authority is null, 9000 * Ignore it as we don't have to unregister the provider. 9001 */ 9002 continue; 9003 } 9004 String names[] = p.info.authority.split(";"); 9005 for (int j = 0; j < names.length; j++) { 9006 if (mProvidersByAuthority.get(names[j]) == p) { 9007 mProvidersByAuthority.remove(names[j]); 9008 if (DEBUG_REMOVE) { 9009 if (chatty) 9010 Log.d(TAG, "Unregistered content provider: " + names[j] 9011 + ", className = " + p.info.name + ", isSyncable = " 9012 + p.info.isSyncable); 9013 } 9014 } 9015 } 9016 if (DEBUG_REMOVE && chatty) { 9017 if (r == null) { 9018 r = new StringBuilder(256); 9019 } else { 9020 r.append(' '); 9021 } 9022 r.append(p.info.name); 9023 } 9024 } 9025 if (r != null) { 9026 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 9027 } 9028 9029 N = pkg.services.size(); 9030 r = null; 9031 for (i=0; i<N; i++) { 9032 PackageParser.Service s = pkg.services.get(i); 9033 mServices.removeService(s); 9034 if (chatty) { 9035 if (r == null) { 9036 r = new StringBuilder(256); 9037 } else { 9038 r.append(' '); 9039 } 9040 r.append(s.info.name); 9041 } 9042 } 9043 if (r != null) { 9044 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 9045 } 9046 9047 N = pkg.receivers.size(); 9048 r = null; 9049 for (i=0; i<N; i++) { 9050 PackageParser.Activity a = pkg.receivers.get(i); 9051 mReceivers.removeActivity(a, "receiver"); 9052 if (DEBUG_REMOVE && chatty) { 9053 if (r == null) { 9054 r = new StringBuilder(256); 9055 } else { 9056 r.append(' '); 9057 } 9058 r.append(a.info.name); 9059 } 9060 } 9061 if (r != null) { 9062 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 9063 } 9064 9065 N = pkg.activities.size(); 9066 r = null; 9067 for (i=0; i<N; i++) { 9068 PackageParser.Activity a = pkg.activities.get(i); 9069 mActivities.removeActivity(a, "activity"); 9070 if (DEBUG_REMOVE && chatty) { 9071 if (r == null) { 9072 r = new StringBuilder(256); 9073 } else { 9074 r.append(' '); 9075 } 9076 r.append(a.info.name); 9077 } 9078 } 9079 if (r != null) { 9080 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 9081 } 9082 9083 N = pkg.permissions.size(); 9084 r = null; 9085 for (i=0; i<N; i++) { 9086 PackageParser.Permission p = pkg.permissions.get(i); 9087 BasePermission bp = mSettings.mPermissions.get(p.info.name); 9088 if (bp == null) { 9089 bp = mSettings.mPermissionTrees.get(p.info.name); 9090 } 9091 if (bp != null && bp.perm == p) { 9092 bp.perm = null; 9093 if (DEBUG_REMOVE && chatty) { 9094 if (r == null) { 9095 r = new StringBuilder(256); 9096 } else { 9097 r.append(' '); 9098 } 9099 r.append(p.info.name); 9100 } 9101 } 9102 if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9103 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(p.info.name); 9104 if (appOpPkgs != null) { 9105 appOpPkgs.remove(pkg.packageName); 9106 } 9107 } 9108 } 9109 if (r != null) { 9110 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 9111 } 9112 9113 N = pkg.requestedPermissions.size(); 9114 r = null; 9115 for (i=0; i<N; i++) { 9116 String perm = pkg.requestedPermissions.get(i); 9117 BasePermission bp = mSettings.mPermissions.get(perm); 9118 if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9119 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(perm); 9120 if (appOpPkgs != null) { 9121 appOpPkgs.remove(pkg.packageName); 9122 if (appOpPkgs.isEmpty()) { 9123 mAppOpPermissionPackages.remove(perm); 9124 } 9125 } 9126 } 9127 } 9128 if (r != null) { 9129 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 9130 } 9131 9132 N = pkg.instrumentation.size(); 9133 r = null; 9134 for (i=0; i<N; i++) { 9135 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 9136 mInstrumentation.remove(a.getComponentName()); 9137 if (DEBUG_REMOVE && chatty) { 9138 if (r == null) { 9139 r = new StringBuilder(256); 9140 } else { 9141 r.append(' '); 9142 } 9143 r.append(a.info.name); 9144 } 9145 } 9146 if (r != null) { 9147 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 9148 } 9149 9150 r = null; 9151 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 9152 // Only system apps can hold shared libraries. 9153 if (pkg.libraryNames != null) { 9154 for (i=0; i<pkg.libraryNames.size(); i++) { 9155 String name = pkg.libraryNames.get(i); 9156 SharedLibraryEntry cur = mSharedLibraries.get(name); 9157 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 9158 mSharedLibraries.remove(name); 9159 if (DEBUG_REMOVE && chatty) { 9160 if (r == null) { 9161 r = new StringBuilder(256); 9162 } else { 9163 r.append(' '); 9164 } 9165 r.append(name); 9166 } 9167 } 9168 } 9169 } 9170 } 9171 if (r != null) { 9172 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 9173 } 9174 } 9175 9176 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 9177 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 9178 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 9179 return true; 9180 } 9181 } 9182 return false; 9183 } 9184 9185 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 9186 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 9187 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 9188 9189 private void updatePermissionsLPw(PackageParser.Package pkg, int flags) { 9190 // Update the parent permissions 9191 updatePermissionsLPw(pkg.packageName, pkg, flags); 9192 // Update the child permissions 9193 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9194 for (int i = 0; i < childCount; i++) { 9195 PackageParser.Package childPkg = pkg.childPackages.get(i); 9196 updatePermissionsLPw(childPkg.packageName, childPkg, flags); 9197 } 9198 } 9199 9200 private void updatePermissionsLPw(String changingPkg, PackageParser.Package pkgInfo, 9201 int flags) { 9202 final String volumeUuid = (pkgInfo != null) ? getVolumeUuidForPackage(pkgInfo) : null; 9203 updatePermissionsLPw(changingPkg, pkgInfo, volumeUuid, flags); 9204 } 9205 9206 private void updatePermissionsLPw(String changingPkg, 9207 PackageParser.Package pkgInfo, String replaceVolumeUuid, int flags) { 9208 // Make sure there are no dangling permission trees. 9209 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 9210 while (it.hasNext()) { 9211 final BasePermission bp = it.next(); 9212 if (bp.packageSetting == null) { 9213 // We may not yet have parsed the package, so just see if 9214 // we still know about its settings. 9215 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 9216 } 9217 if (bp.packageSetting == null) { 9218 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 9219 + " from package " + bp.sourcePackage); 9220 it.remove(); 9221 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 9222 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 9223 Slog.i(TAG, "Removing old permission tree: " + bp.name 9224 + " from package " + bp.sourcePackage); 9225 flags |= UPDATE_PERMISSIONS_ALL; 9226 it.remove(); 9227 } 9228 } 9229 } 9230 9231 // Make sure all dynamic permissions have been assigned to a package, 9232 // and make sure there are no dangling permissions. 9233 it = mSettings.mPermissions.values().iterator(); 9234 while (it.hasNext()) { 9235 final BasePermission bp = it.next(); 9236 if (bp.type == BasePermission.TYPE_DYNAMIC) { 9237 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 9238 + bp.name + " pkg=" + bp.sourcePackage 9239 + " info=" + bp.pendingInfo); 9240 if (bp.packageSetting == null && bp.pendingInfo != null) { 9241 final BasePermission tree = findPermissionTreeLP(bp.name); 9242 if (tree != null && tree.perm != null) { 9243 bp.packageSetting = tree.packageSetting; 9244 bp.perm = new PackageParser.Permission(tree.perm.owner, 9245 new PermissionInfo(bp.pendingInfo)); 9246 bp.perm.info.packageName = tree.perm.info.packageName; 9247 bp.perm.info.name = bp.name; 9248 bp.uid = tree.uid; 9249 } 9250 } 9251 } 9252 if (bp.packageSetting == null) { 9253 // We may not yet have parsed the package, so just see if 9254 // we still know about its settings. 9255 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 9256 } 9257 if (bp.packageSetting == null) { 9258 Slog.w(TAG, "Removing dangling permission: " + bp.name 9259 + " from package " + bp.sourcePackage); 9260 it.remove(); 9261 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 9262 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 9263 Slog.i(TAG, "Removing old permission: " + bp.name 9264 + " from package " + bp.sourcePackage); 9265 flags |= UPDATE_PERMISSIONS_ALL; 9266 it.remove(); 9267 } 9268 } 9269 } 9270 9271 // Now update the permissions for all packages, in particular 9272 // replace the granted permissions of the system packages. 9273 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 9274 for (PackageParser.Package pkg : mPackages.values()) { 9275 if (pkg != pkgInfo) { 9276 // Only replace for packages on requested volume 9277 final String volumeUuid = getVolumeUuidForPackage(pkg); 9278 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_ALL) != 0) 9279 && Objects.equals(replaceVolumeUuid, volumeUuid); 9280 grantPermissionsLPw(pkg, replace, changingPkg); 9281 } 9282 } 9283 } 9284 9285 if (pkgInfo != null) { 9286 // Only replace for packages on requested volume 9287 final String volumeUuid = getVolumeUuidForPackage(pkgInfo); 9288 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_PKG) != 0) 9289 && Objects.equals(replaceVolumeUuid, volumeUuid); 9290 grantPermissionsLPw(pkgInfo, replace, changingPkg); 9291 } 9292 } 9293 9294 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace, 9295 String packageOfInterest) { 9296 // IMPORTANT: There are two types of permissions: install and runtime. 9297 // Install time permissions are granted when the app is installed to 9298 // all device users and users added in the future. Runtime permissions 9299 // are granted at runtime explicitly to specific users. Normal and signature 9300 // protected permissions are install time permissions. Dangerous permissions 9301 // are install permissions if the app's target SDK is Lollipop MR1 or older, 9302 // otherwise they are runtime permissions. This function does not manage 9303 // runtime permissions except for the case an app targeting Lollipop MR1 9304 // being upgraded to target a newer SDK, in which case dangerous permissions 9305 // are transformed from install time to runtime ones. 9306 9307 final PackageSetting ps = (PackageSetting) pkg.mExtras; 9308 if (ps == null) { 9309 return; 9310 } 9311 9312 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "grantPermissions"); 9313 9314 PermissionsState permissionsState = ps.getPermissionsState(); 9315 PermissionsState origPermissions = permissionsState; 9316 9317 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 9318 9319 boolean runtimePermissionsRevoked = false; 9320 int[] changedRuntimePermissionUserIds = EMPTY_INT_ARRAY; 9321 9322 boolean changedInstallPermission = false; 9323 9324 if (replace) { 9325 ps.installPermissionsFixed = false; 9326 if (!ps.isSharedUser()) { 9327 origPermissions = new PermissionsState(permissionsState); 9328 permissionsState.reset(); 9329 } else { 9330 // We need to know only about runtime permission changes since the 9331 // calling code always writes the install permissions state but 9332 // the runtime ones are written only if changed. The only cases of 9333 // changed runtime permissions here are promotion of an install to 9334 // runtime and revocation of a runtime from a shared user. 9335 changedRuntimePermissionUserIds = revokeUnusedSharedUserPermissionsLPw( 9336 ps.sharedUser, UserManagerService.getInstance().getUserIds()); 9337 if (!ArrayUtils.isEmpty(changedRuntimePermissionUserIds)) { 9338 runtimePermissionsRevoked = true; 9339 } 9340 } 9341 } 9342 9343 permissionsState.setGlobalGids(mGlobalGids); 9344 9345 final int N = pkg.requestedPermissions.size(); 9346 for (int i=0; i<N; i++) { 9347 final String name = pkg.requestedPermissions.get(i); 9348 final BasePermission bp = mSettings.mPermissions.get(name); 9349 9350 if (DEBUG_INSTALL) { 9351 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 9352 } 9353 9354 if (bp == null || bp.packageSetting == null) { 9355 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 9356 Slog.w(TAG, "Unknown permission " + name 9357 + " in package " + pkg.packageName); 9358 } 9359 continue; 9360 } 9361 9362 final String perm = bp.name; 9363 boolean allowedSig = false; 9364 int grant = GRANT_DENIED; 9365 9366 // Keep track of app op permissions. 9367 if ((bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9368 ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name); 9369 if (pkgs == null) { 9370 pkgs = new ArraySet<>(); 9371 mAppOpPermissionPackages.put(bp.name, pkgs); 9372 } 9373 pkgs.add(pkg.packageName); 9374 } 9375 9376 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 9377 final boolean appSupportsRuntimePermissions = pkg.applicationInfo.targetSdkVersion 9378 >= Build.VERSION_CODES.M; 9379 switch (level) { 9380 case PermissionInfo.PROTECTION_NORMAL: { 9381 // For all apps normal permissions are install time ones. 9382 grant = GRANT_INSTALL; 9383 } break; 9384 9385 case PermissionInfo.PROTECTION_DANGEROUS: { 9386 // If a permission review is required for legacy apps we represent 9387 // their permissions as always granted runtime ones since we need 9388 // to keep the review required permission flag per user while an 9389 // install permission's state is shared across all users. 9390 if (!appSupportsRuntimePermissions && !Build.PERMISSIONS_REVIEW_REQUIRED) { 9391 // For legacy apps dangerous permissions are install time ones. 9392 grant = GRANT_INSTALL; 9393 } else if (origPermissions.hasInstallPermission(bp.name)) { 9394 // For legacy apps that became modern, install becomes runtime. 9395 grant = GRANT_UPGRADE; 9396 } else if (mPromoteSystemApps 9397 && isSystemApp(ps) 9398 && mExistingSystemPackages.contains(ps.name)) { 9399 // For legacy system apps, install becomes runtime. 9400 // We cannot check hasInstallPermission() for system apps since those 9401 // permissions were granted implicitly and not persisted pre-M. 9402 grant = GRANT_UPGRADE; 9403 } else { 9404 // For modern apps keep runtime permissions unchanged. 9405 grant = GRANT_RUNTIME; 9406 } 9407 } break; 9408 9409 case PermissionInfo.PROTECTION_SIGNATURE: { 9410 // For all apps signature permissions are install time ones. 9411 allowedSig = grantSignaturePermission(perm, pkg, bp, origPermissions); 9412 if (allowedSig) { 9413 grant = GRANT_INSTALL; 9414 } 9415 } break; 9416 } 9417 9418 if (DEBUG_INSTALL) { 9419 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 9420 } 9421 9422 if (grant != GRANT_DENIED) { 9423 if (!isSystemApp(ps) && ps.installPermissionsFixed) { 9424 // If this is an existing, non-system package, then 9425 // we can't add any new permissions to it. 9426 if (!allowedSig && !origPermissions.hasInstallPermission(perm)) { 9427 // Except... if this is a permission that was added 9428 // to the platform (note: need to only do this when 9429 // updating the platform). 9430 if (!isNewPlatformPermissionForPackage(perm, pkg)) { 9431 grant = GRANT_DENIED; 9432 } 9433 } 9434 } 9435 9436 switch (grant) { 9437 case GRANT_INSTALL: { 9438 // Revoke this as runtime permission to handle the case of 9439 // a runtime permission being downgraded to an install one. Also in permission review mode we keep dangerous permissions for legacy apps 9440 for (int userId : UserManagerService.getInstance().getUserIds()) { 9441 if (origPermissions.getRuntimePermissionState( 9442 bp.name, userId) != null) { 9443 // Revoke the runtime permission and clear the flags. 9444 origPermissions.revokeRuntimePermission(bp, userId); 9445 origPermissions.updatePermissionFlags(bp, userId, 9446 PackageManager.MASK_PERMISSION_FLAGS, 0); 9447 // If we revoked a permission permission, we have to write. 9448 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9449 changedRuntimePermissionUserIds, userId); 9450 } 9451 } 9452 // Grant an install permission. 9453 if (permissionsState.grantInstallPermission(bp) != 9454 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9455 changedInstallPermission = true; 9456 } 9457 } break; 9458 9459 case GRANT_RUNTIME: { 9460 // Grant previously granted runtime permissions. 9461 for (int userId : UserManagerService.getInstance().getUserIds()) { 9462 PermissionState permissionState = origPermissions 9463 .getRuntimePermissionState(bp.name, userId); 9464 int flags = permissionState != null 9465 ? permissionState.getFlags() : 0; 9466 if (origPermissions.hasRuntimePermission(bp.name, userId)) { 9467 if (permissionsState.grantRuntimePermission(bp, userId) == 9468 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9469 // If we cannot put the permission as it was, we have to write. 9470 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9471 changedRuntimePermissionUserIds, userId); 9472 } 9473 // If the app supports runtime permissions no need for a review. 9474 if (Build.PERMISSIONS_REVIEW_REQUIRED 9475 && appSupportsRuntimePermissions 9476 && (flags & PackageManager 9477 .FLAG_PERMISSION_REVIEW_REQUIRED) != 0) { 9478 flags &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 9479 // Since we changed the flags, we have to write. 9480 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9481 changedRuntimePermissionUserIds, userId); 9482 } 9483 } else if (Build.PERMISSIONS_REVIEW_REQUIRED 9484 && !appSupportsRuntimePermissions) { 9485 // For legacy apps that need a permission review, every new 9486 // runtime permission is granted but it is pending a review. 9487 if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 9488 permissionsState.grantRuntimePermission(bp, userId); 9489 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 9490 // We changed the permission and flags, hence have to write. 9491 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9492 changedRuntimePermissionUserIds, userId); 9493 } 9494 } 9495 // Propagate the permission flags. 9496 permissionsState.updatePermissionFlags(bp, userId, flags, flags); 9497 } 9498 } break; 9499 9500 case GRANT_UPGRADE: { 9501 // Grant runtime permissions for a previously held install permission. 9502 PermissionState permissionState = origPermissions 9503 .getInstallPermissionState(bp.name); 9504 final int flags = permissionState != null ? permissionState.getFlags() : 0; 9505 9506 if (origPermissions.revokeInstallPermission(bp) 9507 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 9508 // We will be transferring the permission flags, so clear them. 9509 origPermissions.updatePermissionFlags(bp, UserHandle.USER_ALL, 9510 PackageManager.MASK_PERMISSION_FLAGS, 0); 9511 changedInstallPermission = true; 9512 } 9513 9514 // If the permission is not to be promoted to runtime we ignore it and 9515 // also its other flags as they are not applicable to install permissions. 9516 if ((flags & PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE) == 0) { 9517 for (int userId : currentUserIds) { 9518 if (permissionsState.grantRuntimePermission(bp, userId) != 9519 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9520 // Transfer the permission flags. 9521 permissionsState.updatePermissionFlags(bp, userId, 9522 flags, flags); 9523 // If we granted the permission, we have to write. 9524 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9525 changedRuntimePermissionUserIds, userId); 9526 } 9527 } 9528 } 9529 } break; 9530 9531 default: { 9532 if (packageOfInterest == null 9533 || packageOfInterest.equals(pkg.packageName)) { 9534 Slog.w(TAG, "Not granting permission " + perm 9535 + " to package " + pkg.packageName 9536 + " because it was previously installed without"); 9537 } 9538 } break; 9539 } 9540 } else { 9541 if (permissionsState.revokeInstallPermission(bp) != 9542 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9543 // Also drop the permission flags. 9544 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 9545 PackageManager.MASK_PERMISSION_FLAGS, 0); 9546 changedInstallPermission = true; 9547 Slog.i(TAG, "Un-granting permission " + perm 9548 + " from package " + pkg.packageName 9549 + " (protectionLevel=" + bp.protectionLevel 9550 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 9551 + ")"); 9552 } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) { 9553 // Don't print warning for app op permissions, since it is fine for them 9554 // not to be granted, there is a UI for the user to decide. 9555 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 9556 Slog.w(TAG, "Not granting permission " + perm 9557 + " to package " + pkg.packageName 9558 + " (protectionLevel=" + bp.protectionLevel 9559 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 9560 + ")"); 9561 } 9562 } 9563 } 9564 } 9565 9566 if ((changedInstallPermission || replace) && !ps.installPermissionsFixed && 9567 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 9568 // This is the first that we have heard about this package, so the 9569 // permissions we have now selected are fixed until explicitly 9570 // changed. 9571 ps.installPermissionsFixed = true; 9572 } 9573 9574 // Persist the runtime permissions state for users with changes. If permissions 9575 // were revoked because no app in the shared user declares them we have to 9576 // write synchronously to avoid losing runtime permissions state. 9577 for (int userId : changedRuntimePermissionUserIds) { 9578 mSettings.writeRuntimePermissionsForUserLPr(userId, runtimePermissionsRevoked); 9579 } 9580 9581 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9582 } 9583 9584 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 9585 boolean allowed = false; 9586 final int NP = PackageParser.NEW_PERMISSIONS.length; 9587 for (int ip=0; ip<NP; ip++) { 9588 final PackageParser.NewPermissionInfo npi 9589 = PackageParser.NEW_PERMISSIONS[ip]; 9590 if (npi.name.equals(perm) 9591 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 9592 allowed = true; 9593 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 9594 + pkg.packageName); 9595 break; 9596 } 9597 } 9598 return allowed; 9599 } 9600 9601 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 9602 BasePermission bp, PermissionsState origPermissions) { 9603 boolean allowed; 9604 allowed = (compareSignatures( 9605 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 9606 == PackageManager.SIGNATURE_MATCH) 9607 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 9608 == PackageManager.SIGNATURE_MATCH); 9609 if (!allowed && (bp.protectionLevel 9610 & PermissionInfo.PROTECTION_FLAG_PRIVILEGED) != 0) { 9611 if (isSystemApp(pkg)) { 9612 // For updated system applications, a system permission 9613 // is granted only if it had been defined by the original application. 9614 if (pkg.isUpdatedSystemApp()) { 9615 final PackageSetting sysPs = mSettings 9616 .getDisabledSystemPkgLPr(pkg.packageName); 9617 if (sysPs != null && sysPs.getPermissionsState().hasInstallPermission(perm)) { 9618 // If the original was granted this permission, we take 9619 // that grant decision as read and propagate it to the 9620 // update. 9621 if (sysPs.isPrivileged()) { 9622 allowed = true; 9623 } 9624 } else { 9625 // The system apk may have been updated with an older 9626 // version of the one on the data partition, but which 9627 // granted a new system permission that it didn't have 9628 // before. In this case we do want to allow the app to 9629 // now get the new permission if the ancestral apk is 9630 // privileged to get it. 9631 if (sysPs != null && sysPs.pkg != null && sysPs.isPrivileged()) { 9632 for (int j = 0; j < sysPs.pkg.requestedPermissions.size(); j++) { 9633 if (perm.equals(sysPs.pkg.requestedPermissions.get(j))) { 9634 allowed = true; 9635 break; 9636 } 9637 } 9638 } 9639 // Also if a privileged parent package on the system image or any of 9640 // its children requested a privileged permission, the updated child 9641 // packages can also get the permission. 9642 if (pkg.parentPackage != null) { 9643 final PackageSetting disabledSysParentPs = mSettings 9644 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 9645 if (disabledSysParentPs != null && disabledSysParentPs.pkg != null 9646 && disabledSysParentPs.isPrivileged()) { 9647 if (isPackageRequestingPermission(disabledSysParentPs.pkg, perm)) { 9648 allowed = true; 9649 } else if (disabledSysParentPs.pkg.childPackages != null) { 9650 final int count = disabledSysParentPs.pkg.childPackages.size(); 9651 for (int i = 0; i < count; i++) { 9652 PackageParser.Package disabledSysChildPkg = 9653 disabledSysParentPs.pkg.childPackages.get(i); 9654 if (isPackageRequestingPermission(disabledSysChildPkg, 9655 perm)) { 9656 allowed = true; 9657 break; 9658 } 9659 } 9660 } 9661 } 9662 } 9663 } 9664 } else { 9665 allowed = isPrivilegedApp(pkg); 9666 } 9667 } 9668 } 9669 if (!allowed) { 9670 if (!allowed && (bp.protectionLevel 9671 & PermissionInfo.PROTECTION_FLAG_PRE23) != 0 9672 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 9673 // If this was a previously normal/dangerous permission that got moved 9674 // to a system permission as part of the runtime permission redesign, then 9675 // we still want to blindly grant it to old apps. 9676 allowed = true; 9677 } 9678 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_INSTALLER) != 0 9679 && pkg.packageName.equals(mRequiredInstallerPackage)) { 9680 // If this permission is to be granted to the system installer and 9681 // this app is an installer, then it gets the permission. 9682 allowed = true; 9683 } 9684 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_VERIFIER) != 0 9685 && pkg.packageName.equals(mRequiredVerifierPackage)) { 9686 // If this permission is to be granted to the system verifier and 9687 // this app is a verifier, then it gets the permission. 9688 allowed = true; 9689 } 9690 if (!allowed && (bp.protectionLevel 9691 & PermissionInfo.PROTECTION_FLAG_PREINSTALLED) != 0 9692 && isSystemApp(pkg)) { 9693 // Any pre-installed system app is allowed to get this permission. 9694 allowed = true; 9695 } 9696 if (!allowed && (bp.protectionLevel 9697 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 9698 // For development permissions, a development permission 9699 // is granted only if it was already granted. 9700 allowed = origPermissions.hasInstallPermission(perm); 9701 } 9702 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_SETUP) != 0 9703 && pkg.packageName.equals(mSetupWizardPackage)) { 9704 // If this permission is to be granted to the system setup wizard and 9705 // this app is a setup wizard, then it gets the permission. 9706 allowed = true; 9707 } 9708 } 9709 return allowed; 9710 } 9711 9712 private boolean isPackageRequestingPermission(PackageParser.Package pkg, String permission) { 9713 final int permCount = pkg.requestedPermissions.size(); 9714 for (int j = 0; j < permCount; j++) { 9715 String requestedPermission = pkg.requestedPermissions.get(j); 9716 if (permission.equals(requestedPermission)) { 9717 return true; 9718 } 9719 } 9720 return false; 9721 } 9722 9723 final class ActivityIntentResolver 9724 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 9725 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 9726 boolean defaultOnly, int userId) { 9727 if (!sUserManager.exists(userId)) return null; 9728 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 9729 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 9730 } 9731 9732 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 9733 int userId) { 9734 if (!sUserManager.exists(userId)) return null; 9735 mFlags = flags; 9736 return super.queryIntent(intent, resolvedType, 9737 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 9738 } 9739 9740 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 9741 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 9742 if (!sUserManager.exists(userId)) return null; 9743 if (packageActivities == null) { 9744 return null; 9745 } 9746 mFlags = flags; 9747 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 9748 final int N = packageActivities.size(); 9749 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 9750 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 9751 9752 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 9753 for (int i = 0; i < N; ++i) { 9754 intentFilters = packageActivities.get(i).intents; 9755 if (intentFilters != null && intentFilters.size() > 0) { 9756 PackageParser.ActivityIntentInfo[] array = 9757 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 9758 intentFilters.toArray(array); 9759 listCut.add(array); 9760 } 9761 } 9762 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 9763 } 9764 9765 public final void addActivity(PackageParser.Activity a, String type) { 9766 final boolean systemApp = a.info.applicationInfo.isSystemApp(); 9767 mActivities.put(a.getComponentName(), a); 9768 if (DEBUG_SHOW_INFO) 9769 Log.v( 9770 TAG, " " + type + " " + 9771 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 9772 if (DEBUG_SHOW_INFO) 9773 Log.v(TAG, " Class=" + a.info.name); 9774 final int NI = a.intents.size(); 9775 for (int j=0; j<NI; j++) { 9776 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 9777 if (!systemApp && intent.getPriority() > 0 && "activity".equals(type)) { 9778 intent.setPriority(0); 9779 Log.w(TAG, "Package " + a.info.applicationInfo.packageName + " has activity " 9780 + a.className + " with priority > 0, forcing to 0"); 9781 } 9782 if (DEBUG_SHOW_INFO) { 9783 Log.v(TAG, " IntentFilter:"); 9784 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 9785 } 9786 if (!intent.debugCheck()) { 9787 Log.w(TAG, "==> For Activity " + a.info.name); 9788 } 9789 addFilter(intent); 9790 } 9791 } 9792 9793 public final void removeActivity(PackageParser.Activity a, String type) { 9794 mActivities.remove(a.getComponentName()); 9795 if (DEBUG_SHOW_INFO) { 9796 Log.v(TAG, " " + type + " " 9797 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 9798 : a.info.name) + ":"); 9799 Log.v(TAG, " Class=" + a.info.name); 9800 } 9801 final int NI = a.intents.size(); 9802 for (int j=0; j<NI; j++) { 9803 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 9804 if (DEBUG_SHOW_INFO) { 9805 Log.v(TAG, " IntentFilter:"); 9806 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 9807 } 9808 removeFilter(intent); 9809 } 9810 } 9811 9812 @Override 9813 protected boolean allowFilterResult( 9814 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 9815 ActivityInfo filterAi = filter.activity.info; 9816 for (int i=dest.size()-1; i>=0; i--) { 9817 ActivityInfo destAi = dest.get(i).activityInfo; 9818 if (destAi.name == filterAi.name 9819 && destAi.packageName == filterAi.packageName) { 9820 return false; 9821 } 9822 } 9823 return true; 9824 } 9825 9826 @Override 9827 protected ActivityIntentInfo[] newArray(int size) { 9828 return new ActivityIntentInfo[size]; 9829 } 9830 9831 @Override 9832 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 9833 if (!sUserManager.exists(userId)) return true; 9834 PackageParser.Package p = filter.activity.owner; 9835 if (p != null) { 9836 PackageSetting ps = (PackageSetting)p.mExtras; 9837 if (ps != null) { 9838 // System apps are never considered stopped for purposes of 9839 // filtering, because there may be no way for the user to 9840 // actually re-launch them. 9841 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 9842 && ps.getStopped(userId); 9843 } 9844 } 9845 return false; 9846 } 9847 9848 @Override 9849 protected boolean isPackageForFilter(String packageName, 9850 PackageParser.ActivityIntentInfo info) { 9851 return packageName.equals(info.activity.owner.packageName); 9852 } 9853 9854 @Override 9855 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 9856 int match, int userId) { 9857 if (!sUserManager.exists(userId)) return null; 9858 if (!mSettings.isEnabledAndMatchLPr(info.activity.info, mFlags, userId)) { 9859 return null; 9860 } 9861 final PackageParser.Activity activity = info.activity; 9862 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 9863 if (ps == null) { 9864 return null; 9865 } 9866 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 9867 ps.readUserState(userId), userId); 9868 if (ai == null) { 9869 return null; 9870 } 9871 final ResolveInfo res = new ResolveInfo(); 9872 res.activityInfo = ai; 9873 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 9874 res.filter = info; 9875 } 9876 if (info != null) { 9877 res.handleAllWebDataURI = info.handleAllWebDataURI(); 9878 } 9879 res.priority = info.getPriority(); 9880 res.preferredOrder = activity.owner.mPreferredOrder; 9881 //System.out.println("Result: " + res.activityInfo.className + 9882 // " = " + res.priority); 9883 res.match = match; 9884 res.isDefault = info.hasDefault; 9885 res.labelRes = info.labelRes; 9886 res.nonLocalizedLabel = info.nonLocalizedLabel; 9887 if (userNeedsBadging(userId)) { 9888 res.noResourceId = true; 9889 } else { 9890 res.icon = info.icon; 9891 } 9892 res.iconResourceId = info.icon; 9893 res.system = res.activityInfo.applicationInfo.isSystemApp(); 9894 return res; 9895 } 9896 9897 @Override 9898 protected void sortResults(List<ResolveInfo> results) { 9899 Collections.sort(results, mResolvePrioritySorter); 9900 } 9901 9902 @Override 9903 protected void dumpFilter(PrintWriter out, String prefix, 9904 PackageParser.ActivityIntentInfo filter) { 9905 out.print(prefix); out.print( 9906 Integer.toHexString(System.identityHashCode(filter.activity))); 9907 out.print(' '); 9908 filter.activity.printComponentShortName(out); 9909 out.print(" filter "); 9910 out.println(Integer.toHexString(System.identityHashCode(filter))); 9911 } 9912 9913 @Override 9914 protected Object filterToLabel(PackageParser.ActivityIntentInfo filter) { 9915 return filter.activity; 9916 } 9917 9918 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 9919 PackageParser.Activity activity = (PackageParser.Activity)label; 9920 out.print(prefix); out.print( 9921 Integer.toHexString(System.identityHashCode(activity))); 9922 out.print(' '); 9923 activity.printComponentShortName(out); 9924 if (count > 1) { 9925 out.print(" ("); out.print(count); out.print(" filters)"); 9926 } 9927 out.println(); 9928 } 9929 9930// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 9931// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 9932// final List<ResolveInfo> retList = Lists.newArrayList(); 9933// while (i.hasNext()) { 9934// final ResolveInfo resolveInfo = i.next(); 9935// if (isEnabledLP(resolveInfo.activityInfo)) { 9936// retList.add(resolveInfo); 9937// } 9938// } 9939// return retList; 9940// } 9941 9942 // Keys are String (activity class name), values are Activity. 9943 private final ArrayMap<ComponentName, PackageParser.Activity> mActivities 9944 = new ArrayMap<ComponentName, PackageParser.Activity>(); 9945 private int mFlags; 9946 } 9947 9948 private final class ServiceIntentResolver 9949 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 9950 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 9951 boolean defaultOnly, int userId) { 9952 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 9953 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 9954 } 9955 9956 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 9957 int userId) { 9958 if (!sUserManager.exists(userId)) return null; 9959 mFlags = flags; 9960 return super.queryIntent(intent, resolvedType, 9961 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 9962 } 9963 9964 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 9965 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 9966 if (!sUserManager.exists(userId)) return null; 9967 if (packageServices == null) { 9968 return null; 9969 } 9970 mFlags = flags; 9971 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 9972 final int N = packageServices.size(); 9973 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 9974 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 9975 9976 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 9977 for (int i = 0; i < N; ++i) { 9978 intentFilters = packageServices.get(i).intents; 9979 if (intentFilters != null && intentFilters.size() > 0) { 9980 PackageParser.ServiceIntentInfo[] array = 9981 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 9982 intentFilters.toArray(array); 9983 listCut.add(array); 9984 } 9985 } 9986 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 9987 } 9988 9989 public final void addService(PackageParser.Service s) { 9990 mServices.put(s.getComponentName(), s); 9991 if (DEBUG_SHOW_INFO) { 9992 Log.v(TAG, " " 9993 + (s.info.nonLocalizedLabel != null 9994 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 9995 Log.v(TAG, " Class=" + s.info.name); 9996 } 9997 final int NI = s.intents.size(); 9998 int j; 9999 for (j=0; j<NI; j++) { 10000 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 10001 if (DEBUG_SHOW_INFO) { 10002 Log.v(TAG, " IntentFilter:"); 10003 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10004 } 10005 if (!intent.debugCheck()) { 10006 Log.w(TAG, "==> For Service " + s.info.name); 10007 } 10008 addFilter(intent); 10009 } 10010 } 10011 10012 public final void removeService(PackageParser.Service s) { 10013 mServices.remove(s.getComponentName()); 10014 if (DEBUG_SHOW_INFO) { 10015 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 10016 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 10017 Log.v(TAG, " Class=" + s.info.name); 10018 } 10019 final int NI = s.intents.size(); 10020 int j; 10021 for (j=0; j<NI; j++) { 10022 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 10023 if (DEBUG_SHOW_INFO) { 10024 Log.v(TAG, " IntentFilter:"); 10025 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10026 } 10027 removeFilter(intent); 10028 } 10029 } 10030 10031 @Override 10032 protected boolean allowFilterResult( 10033 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 10034 ServiceInfo filterSi = filter.service.info; 10035 for (int i=dest.size()-1; i>=0; i--) { 10036 ServiceInfo destAi = dest.get(i).serviceInfo; 10037 if (destAi.name == filterSi.name 10038 && destAi.packageName == filterSi.packageName) { 10039 return false; 10040 } 10041 } 10042 return true; 10043 } 10044 10045 @Override 10046 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 10047 return new PackageParser.ServiceIntentInfo[size]; 10048 } 10049 10050 @Override 10051 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 10052 if (!sUserManager.exists(userId)) return true; 10053 PackageParser.Package p = filter.service.owner; 10054 if (p != null) { 10055 PackageSetting ps = (PackageSetting)p.mExtras; 10056 if (ps != null) { 10057 // System apps are never considered stopped for purposes of 10058 // filtering, because there may be no way for the user to 10059 // actually re-launch them. 10060 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 10061 && ps.getStopped(userId); 10062 } 10063 } 10064 return false; 10065 } 10066 10067 @Override 10068 protected boolean isPackageForFilter(String packageName, 10069 PackageParser.ServiceIntentInfo info) { 10070 return packageName.equals(info.service.owner.packageName); 10071 } 10072 10073 @Override 10074 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 10075 int match, int userId) { 10076 if (!sUserManager.exists(userId)) return null; 10077 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 10078 if (!mSettings.isEnabledAndMatchLPr(info.service.info, mFlags, userId)) { 10079 return null; 10080 } 10081 final PackageParser.Service service = info.service; 10082 PackageSetting ps = (PackageSetting) service.owner.mExtras; 10083 if (ps == null) { 10084 return null; 10085 } 10086 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 10087 ps.readUserState(userId), userId); 10088 if (si == null) { 10089 return null; 10090 } 10091 final ResolveInfo res = new ResolveInfo(); 10092 res.serviceInfo = si; 10093 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 10094 res.filter = filter; 10095 } 10096 res.priority = info.getPriority(); 10097 res.preferredOrder = service.owner.mPreferredOrder; 10098 res.match = match; 10099 res.isDefault = info.hasDefault; 10100 res.labelRes = info.labelRes; 10101 res.nonLocalizedLabel = info.nonLocalizedLabel; 10102 res.icon = info.icon; 10103 res.system = res.serviceInfo.applicationInfo.isSystemApp(); 10104 return res; 10105 } 10106 10107 @Override 10108 protected void sortResults(List<ResolveInfo> results) { 10109 Collections.sort(results, mResolvePrioritySorter); 10110 } 10111 10112 @Override 10113 protected void dumpFilter(PrintWriter out, String prefix, 10114 PackageParser.ServiceIntentInfo filter) { 10115 out.print(prefix); out.print( 10116 Integer.toHexString(System.identityHashCode(filter.service))); 10117 out.print(' '); 10118 filter.service.printComponentShortName(out); 10119 out.print(" filter "); 10120 out.println(Integer.toHexString(System.identityHashCode(filter))); 10121 } 10122 10123 @Override 10124 protected Object filterToLabel(PackageParser.ServiceIntentInfo filter) { 10125 return filter.service; 10126 } 10127 10128 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 10129 PackageParser.Service service = (PackageParser.Service)label; 10130 out.print(prefix); out.print( 10131 Integer.toHexString(System.identityHashCode(service))); 10132 out.print(' '); 10133 service.printComponentShortName(out); 10134 if (count > 1) { 10135 out.print(" ("); out.print(count); out.print(" filters)"); 10136 } 10137 out.println(); 10138 } 10139 10140// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 10141// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 10142// final List<ResolveInfo> retList = Lists.newArrayList(); 10143// while (i.hasNext()) { 10144// final ResolveInfo resolveInfo = (ResolveInfo) i; 10145// if (isEnabledLP(resolveInfo.serviceInfo)) { 10146// retList.add(resolveInfo); 10147// } 10148// } 10149// return retList; 10150// } 10151 10152 // Keys are String (activity class name), values are Activity. 10153 private final ArrayMap<ComponentName, PackageParser.Service> mServices 10154 = new ArrayMap<ComponentName, PackageParser.Service>(); 10155 private int mFlags; 10156 }; 10157 10158 private final class ProviderIntentResolver 10159 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 10160 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 10161 boolean defaultOnly, int userId) { 10162 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 10163 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 10164 } 10165 10166 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 10167 int userId) { 10168 if (!sUserManager.exists(userId)) 10169 return null; 10170 mFlags = flags; 10171 return super.queryIntent(intent, resolvedType, 10172 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 10173 } 10174 10175 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 10176 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 10177 if (!sUserManager.exists(userId)) 10178 return null; 10179 if (packageProviders == null) { 10180 return null; 10181 } 10182 mFlags = flags; 10183 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 10184 final int N = packageProviders.size(); 10185 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 10186 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 10187 10188 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 10189 for (int i = 0; i < N; ++i) { 10190 intentFilters = packageProviders.get(i).intents; 10191 if (intentFilters != null && intentFilters.size() > 0) { 10192 PackageParser.ProviderIntentInfo[] array = 10193 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 10194 intentFilters.toArray(array); 10195 listCut.add(array); 10196 } 10197 } 10198 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 10199 } 10200 10201 public final void addProvider(PackageParser.Provider p) { 10202 if (mProviders.containsKey(p.getComponentName())) { 10203 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 10204 return; 10205 } 10206 10207 mProviders.put(p.getComponentName(), p); 10208 if (DEBUG_SHOW_INFO) { 10209 Log.v(TAG, " " 10210 + (p.info.nonLocalizedLabel != null 10211 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 10212 Log.v(TAG, " Class=" + p.info.name); 10213 } 10214 final int NI = p.intents.size(); 10215 int j; 10216 for (j = 0; j < NI; j++) { 10217 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 10218 if (DEBUG_SHOW_INFO) { 10219 Log.v(TAG, " IntentFilter:"); 10220 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10221 } 10222 if (!intent.debugCheck()) { 10223 Log.w(TAG, "==> For Provider " + p.info.name); 10224 } 10225 addFilter(intent); 10226 } 10227 } 10228 10229 public final void removeProvider(PackageParser.Provider p) { 10230 mProviders.remove(p.getComponentName()); 10231 if (DEBUG_SHOW_INFO) { 10232 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 10233 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 10234 Log.v(TAG, " Class=" + p.info.name); 10235 } 10236 final int NI = p.intents.size(); 10237 int j; 10238 for (j = 0; j < NI; j++) { 10239 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 10240 if (DEBUG_SHOW_INFO) { 10241 Log.v(TAG, " IntentFilter:"); 10242 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10243 } 10244 removeFilter(intent); 10245 } 10246 } 10247 10248 @Override 10249 protected boolean allowFilterResult( 10250 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 10251 ProviderInfo filterPi = filter.provider.info; 10252 for (int i = dest.size() - 1; i >= 0; i--) { 10253 ProviderInfo destPi = dest.get(i).providerInfo; 10254 if (destPi.name == filterPi.name 10255 && destPi.packageName == filterPi.packageName) { 10256 return false; 10257 } 10258 } 10259 return true; 10260 } 10261 10262 @Override 10263 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 10264 return new PackageParser.ProviderIntentInfo[size]; 10265 } 10266 10267 @Override 10268 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 10269 if (!sUserManager.exists(userId)) 10270 return true; 10271 PackageParser.Package p = filter.provider.owner; 10272 if (p != null) { 10273 PackageSetting ps = (PackageSetting) p.mExtras; 10274 if (ps != null) { 10275 // System apps are never considered stopped for purposes of 10276 // filtering, because there may be no way for the user to 10277 // actually re-launch them. 10278 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 10279 && ps.getStopped(userId); 10280 } 10281 } 10282 return false; 10283 } 10284 10285 @Override 10286 protected boolean isPackageForFilter(String packageName, 10287 PackageParser.ProviderIntentInfo info) { 10288 return packageName.equals(info.provider.owner.packageName); 10289 } 10290 10291 @Override 10292 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 10293 int match, int userId) { 10294 if (!sUserManager.exists(userId)) 10295 return null; 10296 final PackageParser.ProviderIntentInfo info = filter; 10297 if (!mSettings.isEnabledAndMatchLPr(info.provider.info, mFlags, userId)) { 10298 return null; 10299 } 10300 final PackageParser.Provider provider = info.provider; 10301 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 10302 if (ps == null) { 10303 return null; 10304 } 10305 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 10306 ps.readUserState(userId), userId); 10307 if (pi == null) { 10308 return null; 10309 } 10310 final ResolveInfo res = new ResolveInfo(); 10311 res.providerInfo = pi; 10312 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 10313 res.filter = filter; 10314 } 10315 res.priority = info.getPriority(); 10316 res.preferredOrder = provider.owner.mPreferredOrder; 10317 res.match = match; 10318 res.isDefault = info.hasDefault; 10319 res.labelRes = info.labelRes; 10320 res.nonLocalizedLabel = info.nonLocalizedLabel; 10321 res.icon = info.icon; 10322 res.system = res.providerInfo.applicationInfo.isSystemApp(); 10323 return res; 10324 } 10325 10326 @Override 10327 protected void sortResults(List<ResolveInfo> results) { 10328 Collections.sort(results, mResolvePrioritySorter); 10329 } 10330 10331 @Override 10332 protected void dumpFilter(PrintWriter out, String prefix, 10333 PackageParser.ProviderIntentInfo filter) { 10334 out.print(prefix); 10335 out.print( 10336 Integer.toHexString(System.identityHashCode(filter.provider))); 10337 out.print(' '); 10338 filter.provider.printComponentShortName(out); 10339 out.print(" filter "); 10340 out.println(Integer.toHexString(System.identityHashCode(filter))); 10341 } 10342 10343 @Override 10344 protected Object filterToLabel(PackageParser.ProviderIntentInfo filter) { 10345 return filter.provider; 10346 } 10347 10348 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 10349 PackageParser.Provider provider = (PackageParser.Provider)label; 10350 out.print(prefix); out.print( 10351 Integer.toHexString(System.identityHashCode(provider))); 10352 out.print(' '); 10353 provider.printComponentShortName(out); 10354 if (count > 1) { 10355 out.print(" ("); out.print(count); out.print(" filters)"); 10356 } 10357 out.println(); 10358 } 10359 10360 private final ArrayMap<ComponentName, PackageParser.Provider> mProviders 10361 = new ArrayMap<ComponentName, PackageParser.Provider>(); 10362 private int mFlags; 10363 } 10364 10365 private static final class EphemeralIntentResolver 10366 extends IntentResolver<EphemeralResolveIntentInfo, EphemeralResolveInfo> { 10367 @Override 10368 protected EphemeralResolveIntentInfo[] newArray(int size) { 10369 return new EphemeralResolveIntentInfo[size]; 10370 } 10371 10372 @Override 10373 protected boolean isPackageForFilter(String packageName, EphemeralResolveIntentInfo info) { 10374 return true; 10375 } 10376 10377 @Override 10378 protected EphemeralResolveInfo newResult(EphemeralResolveIntentInfo info, int match, 10379 int userId) { 10380 if (!sUserManager.exists(userId)) { 10381 return null; 10382 } 10383 return info.getEphemeralResolveInfo(); 10384 } 10385 } 10386 10387 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 10388 new Comparator<ResolveInfo>() { 10389 public int compare(ResolveInfo r1, ResolveInfo r2) { 10390 int v1 = r1.priority; 10391 int v2 = r2.priority; 10392 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 10393 if (v1 != v2) { 10394 return (v1 > v2) ? -1 : 1; 10395 } 10396 v1 = r1.preferredOrder; 10397 v2 = r2.preferredOrder; 10398 if (v1 != v2) { 10399 return (v1 > v2) ? -1 : 1; 10400 } 10401 if (r1.isDefault != r2.isDefault) { 10402 return r1.isDefault ? -1 : 1; 10403 } 10404 v1 = r1.match; 10405 v2 = r2.match; 10406 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 10407 if (v1 != v2) { 10408 return (v1 > v2) ? -1 : 1; 10409 } 10410 if (r1.system != r2.system) { 10411 return r1.system ? -1 : 1; 10412 } 10413 if (r1.activityInfo != null) { 10414 return r1.activityInfo.packageName.compareTo(r2.activityInfo.packageName); 10415 } 10416 if (r1.serviceInfo != null) { 10417 return r1.serviceInfo.packageName.compareTo(r2.serviceInfo.packageName); 10418 } 10419 if (r1.providerInfo != null) { 10420 return r1.providerInfo.packageName.compareTo(r2.providerInfo.packageName); 10421 } 10422 return 0; 10423 } 10424 }; 10425 10426 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 10427 new Comparator<ProviderInfo>() { 10428 public int compare(ProviderInfo p1, ProviderInfo p2) { 10429 final int v1 = p1.initOrder; 10430 final int v2 = p2.initOrder; 10431 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 10432 } 10433 }; 10434 10435 final void sendPackageBroadcast(final String action, final String pkg, final Bundle extras, 10436 final int flags, final String targetPkg, final IIntentReceiver finishedReceiver, 10437 final int[] userIds) { 10438 mHandler.post(new Runnable() { 10439 @Override 10440 public void run() { 10441 try { 10442 final IActivityManager am = ActivityManagerNative.getDefault(); 10443 if (am == null) return; 10444 final int[] resolvedUserIds; 10445 if (userIds == null) { 10446 resolvedUserIds = am.getRunningUserIds(); 10447 } else { 10448 resolvedUserIds = userIds; 10449 } 10450 for (int id : resolvedUserIds) { 10451 final Intent intent = new Intent(action, 10452 pkg != null ? Uri.fromParts("package", pkg, null) : null); 10453 if (extras != null) { 10454 intent.putExtras(extras); 10455 } 10456 if (targetPkg != null) { 10457 intent.setPackage(targetPkg); 10458 } 10459 // Modify the UID when posting to other users 10460 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 10461 if (uid > 0 && UserHandle.getUserId(uid) != id) { 10462 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 10463 intent.putExtra(Intent.EXTRA_UID, uid); 10464 } 10465 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 10466 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT | flags); 10467 if (DEBUG_BROADCASTS) { 10468 RuntimeException here = new RuntimeException("here"); 10469 here.fillInStackTrace(); 10470 Slog.d(TAG, "Sending to user " + id + ": " 10471 + intent.toShortString(false, true, false, false) 10472 + " " + intent.getExtras(), here); 10473 } 10474 am.broadcastIntent(null, intent, null, finishedReceiver, 10475 0, null, null, null, android.app.AppOpsManager.OP_NONE, 10476 null, finishedReceiver != null, false, id); 10477 } 10478 } catch (RemoteException ex) { 10479 } 10480 } 10481 }); 10482 } 10483 10484 /** 10485 * Check if the external storage media is available. This is true if there 10486 * is a mounted external storage medium or if the external storage is 10487 * emulated. 10488 */ 10489 private boolean isExternalMediaAvailable() { 10490 return mMediaMounted || Environment.isExternalStorageEmulated(); 10491 } 10492 10493 @Override 10494 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 10495 // writer 10496 synchronized (mPackages) { 10497 if (!isExternalMediaAvailable()) { 10498 // If the external storage is no longer mounted at this point, 10499 // the caller may not have been able to delete all of this 10500 // packages files and can not delete any more. Bail. 10501 return null; 10502 } 10503 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 10504 if (lastPackage != null) { 10505 pkgs.remove(lastPackage); 10506 } 10507 if (pkgs.size() > 0) { 10508 return pkgs.get(0); 10509 } 10510 } 10511 return null; 10512 } 10513 10514 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 10515 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 10516 userId, andCode ? 1 : 0, packageName); 10517 if (mSystemReady) { 10518 msg.sendToTarget(); 10519 } else { 10520 if (mPostSystemReadyMessages == null) { 10521 mPostSystemReadyMessages = new ArrayList<>(); 10522 } 10523 mPostSystemReadyMessages.add(msg); 10524 } 10525 } 10526 10527 void startCleaningPackages() { 10528 // reader 10529 if (!isExternalMediaAvailable()) { 10530 return; 10531 } 10532 synchronized (mPackages) { 10533 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 10534 return; 10535 } 10536 } 10537 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 10538 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 10539 IActivityManager am = ActivityManagerNative.getDefault(); 10540 if (am != null) { 10541 try { 10542 am.startService(null, intent, null, mContext.getOpPackageName(), 10543 UserHandle.USER_SYSTEM); 10544 } catch (RemoteException e) { 10545 } 10546 } 10547 } 10548 10549 @Override 10550 public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer, 10551 int installFlags, String installerPackageName, int userId) { 10552 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 10553 10554 final int callingUid = Binder.getCallingUid(); 10555 enforceCrossUserPermission(callingUid, userId, 10556 true /* requireFullPermission */, true /* checkShell */, "installPackageAsUser"); 10557 10558 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 10559 try { 10560 if (observer != null) { 10561 observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null); 10562 } 10563 } catch (RemoteException re) { 10564 } 10565 return; 10566 } 10567 10568 if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) { 10569 installFlags |= PackageManager.INSTALL_FROM_ADB; 10570 10571 } else { 10572 // Caller holds INSTALL_PACKAGES permission, so we're less strict 10573 // about installerPackageName. 10574 10575 installFlags &= ~PackageManager.INSTALL_FROM_ADB; 10576 installFlags &= ~PackageManager.INSTALL_ALL_USERS; 10577 } 10578 10579 UserHandle user; 10580 if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) { 10581 user = UserHandle.ALL; 10582 } else { 10583 user = new UserHandle(userId); 10584 } 10585 10586 // Only system components can circumvent runtime permissions when installing. 10587 if ((installFlags & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0 10588 && mContext.checkCallingOrSelfPermission(Manifest.permission 10589 .INSTALL_GRANT_RUNTIME_PERMISSIONS) == PackageManager.PERMISSION_DENIED) { 10590 throw new SecurityException("You need the " 10591 + "android.permission.INSTALL_GRANT_RUNTIME_PERMISSIONS permission " 10592 + "to use the PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS flag"); 10593 } 10594 10595 final File originFile = new File(originPath); 10596 final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile); 10597 10598 final Message msg = mHandler.obtainMessage(INIT_COPY); 10599 final VerificationInfo verificationInfo = new VerificationInfo( 10600 null /*originatingUri*/, null /*referrer*/, -1 /*originatingUid*/, callingUid); 10601 final InstallParams params = new InstallParams(origin, null /*moveInfo*/, observer, 10602 installFlags, installerPackageName, null /*volumeUuid*/, verificationInfo, user, 10603 null /*packageAbiOverride*/, null /*grantedPermissions*/); 10604 params.setTraceMethod("installAsUser").setTraceCookie(System.identityHashCode(params)); 10605 msg.obj = params; 10606 10607 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installAsUser", 10608 System.identityHashCode(msg.obj)); 10609 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 10610 System.identityHashCode(msg.obj)); 10611 10612 mHandler.sendMessage(msg); 10613 } 10614 10615 void installStage(String packageName, File stagedDir, String stagedCid, 10616 IPackageInstallObserver2 observer, PackageInstaller.SessionParams sessionParams, 10617 String installerPackageName, int installerUid, UserHandle user) { 10618 if (DEBUG_EPHEMERAL) { 10619 if ((sessionParams.installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 10620 Slog.d(TAG, "Ephemeral install of " + packageName); 10621 } 10622 } 10623 final VerificationInfo verificationInfo = new VerificationInfo( 10624 sessionParams.originatingUri, sessionParams.referrerUri, 10625 sessionParams.originatingUid, installerUid); 10626 10627 final OriginInfo origin; 10628 if (stagedDir != null) { 10629 origin = OriginInfo.fromStagedFile(stagedDir); 10630 } else { 10631 origin = OriginInfo.fromStagedContainer(stagedCid); 10632 } 10633 10634 final Message msg = mHandler.obtainMessage(INIT_COPY); 10635 final InstallParams params = new InstallParams(origin, null, observer, 10636 sessionParams.installFlags, installerPackageName, sessionParams.volumeUuid, 10637 verificationInfo, user, sessionParams.abiOverride, 10638 sessionParams.grantedRuntimePermissions); 10639 params.setTraceMethod("installStage").setTraceCookie(System.identityHashCode(params)); 10640 msg.obj = params; 10641 10642 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installStage", 10643 System.identityHashCode(msg.obj)); 10644 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 10645 System.identityHashCode(msg.obj)); 10646 10647 mHandler.sendMessage(msg); 10648 } 10649 10650 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, 10651 int userId) { 10652 final boolean isSystem = isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 10653 sendPackageAddedForUser(packageName, isSystem, pkgSetting.appId, userId); 10654 } 10655 10656 private void sendPackageAddedForUser(String packageName, boolean isSystem, 10657 int appId, int userId) { 10658 Bundle extras = new Bundle(1); 10659 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, appId)); 10660 10661 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 10662 packageName, extras, 0, null, null, new int[] {userId}); 10663 try { 10664 IActivityManager am = ActivityManagerNative.getDefault(); 10665 if (isSystem && am.isUserRunning(userId, 0)) { 10666 // The just-installed/enabled app is bundled on the system, so presumed 10667 // to be able to run automatically without needing an explicit launch. 10668 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 10669 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 10670 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 10671 .setPackage(packageName); 10672 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 10673 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 10674 } 10675 } catch (RemoteException e) { 10676 // shouldn't happen 10677 Slog.w(TAG, "Unable to bootstrap installed package", e); 10678 } 10679 } 10680 10681 @Override 10682 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 10683 int userId) { 10684 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 10685 PackageSetting pkgSetting; 10686 final int uid = Binder.getCallingUid(); 10687 enforceCrossUserPermission(uid, userId, 10688 true /* requireFullPermission */, true /* checkShell */, 10689 "setApplicationHiddenSetting for user " + userId); 10690 10691 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 10692 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 10693 return false; 10694 } 10695 10696 long callingId = Binder.clearCallingIdentity(); 10697 try { 10698 boolean sendAdded = false; 10699 boolean sendRemoved = false; 10700 // writer 10701 synchronized (mPackages) { 10702 pkgSetting = mSettings.mPackages.get(packageName); 10703 if (pkgSetting == null) { 10704 return false; 10705 } 10706 if (pkgSetting.getHidden(userId) != hidden) { 10707 pkgSetting.setHidden(hidden, userId); 10708 mSettings.writePackageRestrictionsLPr(userId); 10709 if (hidden) { 10710 sendRemoved = true; 10711 } else { 10712 sendAdded = true; 10713 } 10714 } 10715 } 10716 if (sendAdded) { 10717 sendPackageAddedForUser(packageName, pkgSetting, userId); 10718 return true; 10719 } 10720 if (sendRemoved) { 10721 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 10722 "hiding pkg"); 10723 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 10724 return true; 10725 } 10726 } finally { 10727 Binder.restoreCallingIdentity(callingId); 10728 } 10729 return false; 10730 } 10731 10732 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 10733 int userId) { 10734 final PackageRemovedInfo info = new PackageRemovedInfo(); 10735 info.removedPackage = packageName; 10736 info.removedUsers = new int[] {userId}; 10737 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 10738 info.sendPackageRemovedBroadcasts(true /*killApp*/); 10739 } 10740 10741 private void sendPackagesSuspendedForUser(String[] pkgList, int userId, boolean suspended) { 10742 if (pkgList.length > 0) { 10743 Bundle extras = new Bundle(1); 10744 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 10745 10746 sendPackageBroadcast( 10747 suspended ? Intent.ACTION_PACKAGES_SUSPENDED 10748 : Intent.ACTION_PACKAGES_UNSUSPENDED, 10749 null, extras, Intent.FLAG_RECEIVER_REGISTERED_ONLY, null, null, 10750 new int[] {userId}); 10751 } 10752 } 10753 10754 /** 10755 * Returns true if application is not found or there was an error. Otherwise it returns 10756 * the hidden state of the package for the given user. 10757 */ 10758 @Override 10759 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 10760 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 10761 enforceCrossUserPermission(Binder.getCallingUid(), userId, 10762 true /* requireFullPermission */, false /* checkShell */, 10763 "getApplicationHidden for user " + userId); 10764 PackageSetting pkgSetting; 10765 long callingId = Binder.clearCallingIdentity(); 10766 try { 10767 // writer 10768 synchronized (mPackages) { 10769 pkgSetting = mSettings.mPackages.get(packageName); 10770 if (pkgSetting == null) { 10771 return true; 10772 } 10773 return pkgSetting.getHidden(userId); 10774 } 10775 } finally { 10776 Binder.restoreCallingIdentity(callingId); 10777 } 10778 } 10779 10780 /** 10781 * @hide 10782 */ 10783 @Override 10784 public int installExistingPackageAsUser(String packageName, int userId) { 10785 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 10786 null); 10787 PackageSetting pkgSetting; 10788 final int uid = Binder.getCallingUid(); 10789 enforceCrossUserPermission(uid, userId, 10790 true /* requireFullPermission */, true /* checkShell */, 10791 "installExistingPackage for user " + userId); 10792 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 10793 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 10794 } 10795 10796 long callingId = Binder.clearCallingIdentity(); 10797 try { 10798 boolean installed = false; 10799 10800 // writer 10801 synchronized (mPackages) { 10802 pkgSetting = mSettings.mPackages.get(packageName); 10803 if (pkgSetting == null) { 10804 return PackageManager.INSTALL_FAILED_INVALID_URI; 10805 } 10806 if (!pkgSetting.getInstalled(userId)) { 10807 pkgSetting.setInstalled(true, userId); 10808 pkgSetting.setHidden(false, userId); 10809 mSettings.writePackageRestrictionsLPr(userId); 10810 installed = true; 10811 } 10812 } 10813 10814 if (installed) { 10815 if (pkgSetting.pkg != null) { 10816 prepareAppDataAfterInstall(pkgSetting.pkg); 10817 } 10818 sendPackageAddedForUser(packageName, pkgSetting, userId); 10819 } 10820 } finally { 10821 Binder.restoreCallingIdentity(callingId); 10822 } 10823 10824 return PackageManager.INSTALL_SUCCEEDED; 10825 } 10826 10827 boolean isUserRestricted(int userId, String restrictionKey) { 10828 Bundle restrictions = sUserManager.getUserRestrictions(userId); 10829 if (restrictions.getBoolean(restrictionKey, false)) { 10830 Log.w(TAG, "User is restricted: " + restrictionKey); 10831 return true; 10832 } 10833 return false; 10834 } 10835 10836 @Override 10837 public String[] setPackagesSuspendedAsUser(String[] packageNames, boolean suspended, 10838 int userId) { 10839 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 10840 enforceCrossUserPermission(Binder.getCallingUid(), userId, 10841 true /* requireFullPermission */, true /* checkShell */, 10842 "setPackagesSuspended for user " + userId); 10843 10844 if (ArrayUtils.isEmpty(packageNames)) { 10845 return packageNames; 10846 } 10847 10848 // List of package names for whom the suspended state has changed. 10849 List<String> changedPackages = new ArrayList<>(packageNames.length); 10850 // List of package names for whom the suspended state is not set as requested in this 10851 // method. 10852 List<String> unactionedPackages = new ArrayList<>(packageNames.length); 10853 for (int i = 0; i < packageNames.length; i++) { 10854 String packageName = packageNames[i]; 10855 long callingId = Binder.clearCallingIdentity(); 10856 try { 10857 boolean changed = false; 10858 final int appId; 10859 synchronized (mPackages) { 10860 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 10861 if (pkgSetting == null) { 10862 Slog.w(TAG, "Could not find package setting for package \"" + packageName 10863 + "\". Skipping suspending/un-suspending."); 10864 unactionedPackages.add(packageName); 10865 continue; 10866 } 10867 appId = pkgSetting.appId; 10868 if (pkgSetting.getSuspended(userId) != suspended) { 10869 if (!canSuspendPackageForUserLocked(packageName, userId)) { 10870 unactionedPackages.add(packageName); 10871 continue; 10872 } 10873 pkgSetting.setSuspended(suspended, userId); 10874 mSettings.writePackageRestrictionsLPr(userId); 10875 changed = true; 10876 changedPackages.add(packageName); 10877 } 10878 } 10879 10880 if (changed && suspended) { 10881 killApplication(packageName, UserHandle.getUid(userId, appId), 10882 "suspending package"); 10883 } 10884 } finally { 10885 Binder.restoreCallingIdentity(callingId); 10886 } 10887 } 10888 10889 if (!changedPackages.isEmpty()) { 10890 sendPackagesSuspendedForUser(changedPackages.toArray( 10891 new String[changedPackages.size()]), userId, suspended); 10892 } 10893 10894 return unactionedPackages.toArray(new String[unactionedPackages.size()]); 10895 } 10896 10897 @Override 10898 public boolean isPackageSuspendedForUser(String packageName, int userId) { 10899 enforceCrossUserPermission(Binder.getCallingUid(), userId, 10900 true /* requireFullPermission */, false /* checkShell */, 10901 "isPackageSuspendedForUser for user " + userId); 10902 synchronized (mPackages) { 10903 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 10904 if (pkgSetting == null) { 10905 throw new IllegalArgumentException("Unknown target package: " + packageName); 10906 } 10907 return pkgSetting.getSuspended(userId); 10908 } 10909 } 10910 10911 /** 10912 * TODO: cache and disallow blocking the active dialer. 10913 * 10914 * @see also DefaultPermissionGrantPolicy#grantDefaultSystemHandlerPermissions 10915 */ 10916 private boolean canSuspendPackageForUserLocked(String packageName, int userId) { 10917 if (isPackageDeviceAdmin(packageName, userId)) { 10918 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 10919 + "\": has an active device admin"); 10920 return false; 10921 } 10922 10923 String activeLauncherPackageName = getActiveLauncherPackageName(userId); 10924 if (packageName.equals(activeLauncherPackageName)) { 10925 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 10926 + "\": contains the active launcher"); 10927 return false; 10928 } 10929 10930 if (packageName.equals(mRequiredInstallerPackage)) { 10931 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 10932 + "\": required for package installation"); 10933 return false; 10934 } 10935 10936 if (packageName.equals(mRequiredVerifierPackage)) { 10937 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 10938 + "\": required for package verification"); 10939 return false; 10940 } 10941 10942 final PackageParser.Package pkg = mPackages.get(packageName); 10943 if (pkg != null && isPrivilegedApp(pkg)) { 10944 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 10945 + "\": is a privileged app"); 10946 return false; 10947 } 10948 10949 return true; 10950 } 10951 10952 private String getActiveLauncherPackageName(int userId) { 10953 Intent intent = new Intent(Intent.ACTION_MAIN); 10954 intent.addCategory(Intent.CATEGORY_HOME); 10955 ResolveInfo resolveInfo = resolveIntent( 10956 intent, 10957 intent.resolveTypeIfNeeded(mContext.getContentResolver()), 10958 PackageManager.MATCH_DEFAULT_ONLY, 10959 userId); 10960 10961 return resolveInfo == null ? null : resolveInfo.activityInfo.packageName; 10962 } 10963 10964 @Override 10965 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 10966 mContext.enforceCallingOrSelfPermission( 10967 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 10968 "Only package verification agents can verify applications"); 10969 10970 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 10971 final PackageVerificationResponse response = new PackageVerificationResponse( 10972 verificationCode, Binder.getCallingUid()); 10973 msg.arg1 = id; 10974 msg.obj = response; 10975 mHandler.sendMessage(msg); 10976 } 10977 10978 @Override 10979 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 10980 long millisecondsToDelay) { 10981 mContext.enforceCallingOrSelfPermission( 10982 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 10983 "Only package verification agents can extend verification timeouts"); 10984 10985 final PackageVerificationState state = mPendingVerification.get(id); 10986 final PackageVerificationResponse response = new PackageVerificationResponse( 10987 verificationCodeAtTimeout, Binder.getCallingUid()); 10988 10989 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 10990 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 10991 } 10992 if (millisecondsToDelay < 0) { 10993 millisecondsToDelay = 0; 10994 } 10995 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 10996 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 10997 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 10998 } 10999 11000 if ((state != null) && !state.timeoutExtended()) { 11001 state.extendTimeout(); 11002 11003 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 11004 msg.arg1 = id; 11005 msg.obj = response; 11006 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 11007 } 11008 } 11009 11010 private void broadcastPackageVerified(int verificationId, Uri packageUri, 11011 int verificationCode, UserHandle user) { 11012 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 11013 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 11014 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 11015 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 11016 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 11017 11018 mContext.sendBroadcastAsUser(intent, user, 11019 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 11020 } 11021 11022 private ComponentName matchComponentForVerifier(String packageName, 11023 List<ResolveInfo> receivers) { 11024 ActivityInfo targetReceiver = null; 11025 11026 final int NR = receivers.size(); 11027 for (int i = 0; i < NR; i++) { 11028 final ResolveInfo info = receivers.get(i); 11029 if (info.activityInfo == null) { 11030 continue; 11031 } 11032 11033 if (packageName.equals(info.activityInfo.packageName)) { 11034 targetReceiver = info.activityInfo; 11035 break; 11036 } 11037 } 11038 11039 if (targetReceiver == null) { 11040 return null; 11041 } 11042 11043 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 11044 } 11045 11046 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 11047 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 11048 if (pkgInfo.verifiers.length == 0) { 11049 return null; 11050 } 11051 11052 final int N = pkgInfo.verifiers.length; 11053 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 11054 for (int i = 0; i < N; i++) { 11055 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 11056 11057 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 11058 receivers); 11059 if (comp == null) { 11060 continue; 11061 } 11062 11063 final int verifierUid = getUidForVerifier(verifierInfo); 11064 if (verifierUid == -1) { 11065 continue; 11066 } 11067 11068 if (DEBUG_VERIFY) { 11069 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 11070 + " with the correct signature"); 11071 } 11072 sufficientVerifiers.add(comp); 11073 verificationState.addSufficientVerifier(verifierUid); 11074 } 11075 11076 return sufficientVerifiers; 11077 } 11078 11079 private int getUidForVerifier(VerifierInfo verifierInfo) { 11080 synchronized (mPackages) { 11081 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 11082 if (pkg == null) { 11083 return -1; 11084 } else if (pkg.mSignatures.length != 1) { 11085 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 11086 + " has more than one signature; ignoring"); 11087 return -1; 11088 } 11089 11090 /* 11091 * If the public key of the package's signature does not match 11092 * our expected public key, then this is a different package and 11093 * we should skip. 11094 */ 11095 11096 final byte[] expectedPublicKey; 11097 try { 11098 final Signature verifierSig = pkg.mSignatures[0]; 11099 final PublicKey publicKey = verifierSig.getPublicKey(); 11100 expectedPublicKey = publicKey.getEncoded(); 11101 } catch (CertificateException e) { 11102 return -1; 11103 } 11104 11105 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 11106 11107 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 11108 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 11109 + " does not have the expected public key; ignoring"); 11110 return -1; 11111 } 11112 11113 return pkg.applicationInfo.uid; 11114 } 11115 } 11116 11117 @Override 11118 public void finishPackageInstall(int token) { 11119 enforceSystemOrRoot("Only the system is allowed to finish installs"); 11120 11121 if (DEBUG_INSTALL) { 11122 Slog.v(TAG, "BM finishing package install for " + token); 11123 } 11124 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 11125 11126 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 11127 mHandler.sendMessage(msg); 11128 } 11129 11130 /** 11131 * Get the verification agent timeout. 11132 * 11133 * @return verification timeout in milliseconds 11134 */ 11135 private long getVerificationTimeout() { 11136 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 11137 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 11138 DEFAULT_VERIFICATION_TIMEOUT); 11139 } 11140 11141 /** 11142 * Get the default verification agent response code. 11143 * 11144 * @return default verification response code 11145 */ 11146 private int getDefaultVerificationResponse() { 11147 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 11148 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 11149 DEFAULT_VERIFICATION_RESPONSE); 11150 } 11151 11152 /** 11153 * Check whether or not package verification has been enabled. 11154 * 11155 * @return true if verification should be performed 11156 */ 11157 private boolean isVerificationEnabled(int userId, int installFlags) { 11158 if (!DEFAULT_VERIFY_ENABLE) { 11159 return false; 11160 } 11161 // Ephemeral apps don't get the full verification treatment 11162 if ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 11163 if (DEBUG_EPHEMERAL) { 11164 Slog.d(TAG, "INSTALL_EPHEMERAL so skipping verification"); 11165 } 11166 return false; 11167 } 11168 11169 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 11170 11171 // Check if installing from ADB 11172 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 11173 // Do not run verification in a test harness environment 11174 if (ActivityManager.isRunningInTestHarness()) { 11175 return false; 11176 } 11177 if (ensureVerifyAppsEnabled) { 11178 return true; 11179 } 11180 // Check if the developer does not want package verification for ADB installs 11181 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 11182 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 11183 return false; 11184 } 11185 } 11186 11187 if (ensureVerifyAppsEnabled) { 11188 return true; 11189 } 11190 11191 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 11192 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 11193 } 11194 11195 @Override 11196 public void verifyIntentFilter(int id, int verificationCode, List<String> failedDomains) 11197 throws RemoteException { 11198 mContext.enforceCallingOrSelfPermission( 11199 Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 11200 "Only intentfilter verification agents can verify applications"); 11201 11202 final Message msg = mHandler.obtainMessage(INTENT_FILTER_VERIFIED); 11203 final IntentFilterVerificationResponse response = new IntentFilterVerificationResponse( 11204 Binder.getCallingUid(), verificationCode, failedDomains); 11205 msg.arg1 = id; 11206 msg.obj = response; 11207 mHandler.sendMessage(msg); 11208 } 11209 11210 @Override 11211 public int getIntentVerificationStatus(String packageName, int userId) { 11212 synchronized (mPackages) { 11213 return mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 11214 } 11215 } 11216 11217 @Override 11218 public boolean updateIntentVerificationStatus(String packageName, int status, int userId) { 11219 mContext.enforceCallingOrSelfPermission( 11220 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11221 11222 boolean result = false; 11223 synchronized (mPackages) { 11224 result = mSettings.updateIntentFilterVerificationStatusLPw(packageName, status, userId); 11225 } 11226 if (result) { 11227 scheduleWritePackageRestrictionsLocked(userId); 11228 } 11229 return result; 11230 } 11231 11232 @Override 11233 public @NonNull ParceledListSlice<IntentFilterVerificationInfo> getIntentFilterVerifications( 11234 String packageName) { 11235 synchronized (mPackages) { 11236 return new ParceledListSlice<>(mSettings.getIntentFilterVerificationsLPr(packageName)); 11237 } 11238 } 11239 11240 @Override 11241 public @NonNull ParceledListSlice<IntentFilter> getAllIntentFilters(String packageName) { 11242 if (TextUtils.isEmpty(packageName)) { 11243 return ParceledListSlice.emptyList(); 11244 } 11245 synchronized (mPackages) { 11246 PackageParser.Package pkg = mPackages.get(packageName); 11247 if (pkg == null || pkg.activities == null) { 11248 return ParceledListSlice.emptyList(); 11249 } 11250 final int count = pkg.activities.size(); 11251 ArrayList<IntentFilter> result = new ArrayList<>(); 11252 for (int n=0; n<count; n++) { 11253 PackageParser.Activity activity = pkg.activities.get(n); 11254 if (activity.intents != null && activity.intents.size() > 0) { 11255 result.addAll(activity.intents); 11256 } 11257 } 11258 return new ParceledListSlice<>(result); 11259 } 11260 } 11261 11262 @Override 11263 public boolean setDefaultBrowserPackageName(String packageName, int userId) { 11264 mContext.enforceCallingOrSelfPermission( 11265 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11266 11267 synchronized (mPackages) { 11268 boolean result = mSettings.setDefaultBrowserPackageNameLPw(packageName, userId); 11269 if (packageName != null) { 11270 result |= updateIntentVerificationStatus(packageName, 11271 PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, 11272 userId); 11273 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultBrowserLPr( 11274 packageName, userId); 11275 } 11276 return result; 11277 } 11278 } 11279 11280 @Override 11281 public String getDefaultBrowserPackageName(int userId) { 11282 synchronized (mPackages) { 11283 return mSettings.getDefaultBrowserPackageNameLPw(userId); 11284 } 11285 } 11286 11287 /** 11288 * Get the "allow unknown sources" setting. 11289 * 11290 * @return the current "allow unknown sources" setting 11291 */ 11292 private int getUnknownSourcesSettings() { 11293 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 11294 android.provider.Settings.Global.INSTALL_NON_MARKET_APPS, 11295 -1); 11296 } 11297 11298 @Override 11299 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 11300 final int uid = Binder.getCallingUid(); 11301 // writer 11302 synchronized (mPackages) { 11303 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 11304 if (targetPackageSetting == null) { 11305 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 11306 } 11307 11308 PackageSetting installerPackageSetting; 11309 if (installerPackageName != null) { 11310 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 11311 if (installerPackageSetting == null) { 11312 throw new IllegalArgumentException("Unknown installer package: " 11313 + installerPackageName); 11314 } 11315 } else { 11316 installerPackageSetting = null; 11317 } 11318 11319 Signature[] callerSignature; 11320 Object obj = mSettings.getUserIdLPr(uid); 11321 if (obj != null) { 11322 if (obj instanceof SharedUserSetting) { 11323 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 11324 } else if (obj instanceof PackageSetting) { 11325 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 11326 } else { 11327 throw new SecurityException("Bad object " + obj + " for uid " + uid); 11328 } 11329 } else { 11330 throw new SecurityException("Unknown calling UID: " + uid); 11331 } 11332 11333 // Verify: can't set installerPackageName to a package that is 11334 // not signed with the same cert as the caller. 11335 if (installerPackageSetting != null) { 11336 if (compareSignatures(callerSignature, 11337 installerPackageSetting.signatures.mSignatures) 11338 != PackageManager.SIGNATURE_MATCH) { 11339 throw new SecurityException( 11340 "Caller does not have same cert as new installer package " 11341 + installerPackageName); 11342 } 11343 } 11344 11345 // Verify: if target already has an installer package, it must 11346 // be signed with the same cert as the caller. 11347 if (targetPackageSetting.installerPackageName != null) { 11348 PackageSetting setting = mSettings.mPackages.get( 11349 targetPackageSetting.installerPackageName); 11350 // If the currently set package isn't valid, then it's always 11351 // okay to change it. 11352 if (setting != null) { 11353 if (compareSignatures(callerSignature, 11354 setting.signatures.mSignatures) 11355 != PackageManager.SIGNATURE_MATCH) { 11356 throw new SecurityException( 11357 "Caller does not have same cert as old installer package " 11358 + targetPackageSetting.installerPackageName); 11359 } 11360 } 11361 } 11362 11363 // Okay! 11364 targetPackageSetting.installerPackageName = installerPackageName; 11365 scheduleWriteSettingsLocked(); 11366 } 11367 } 11368 11369 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 11370 // Queue up an async operation since the package installation may take a little while. 11371 mHandler.post(new Runnable() { 11372 public void run() { 11373 mHandler.removeCallbacks(this); 11374 // Result object to be returned 11375 PackageInstalledInfo res = new PackageInstalledInfo(); 11376 res.setReturnCode(currentStatus); 11377 res.uid = -1; 11378 res.pkg = null; 11379 res.removedInfo = null; 11380 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 11381 args.doPreInstall(res.returnCode); 11382 synchronized (mInstallLock) { 11383 installPackageTracedLI(args, res); 11384 } 11385 args.doPostInstall(res.returnCode, res.uid); 11386 } 11387 11388 // A restore should be performed at this point if (a) the install 11389 // succeeded, (b) the operation is not an update, and (c) the new 11390 // package has not opted out of backup participation. 11391 final boolean update = res.removedInfo != null 11392 && res.removedInfo.removedPackage != null; 11393 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 11394 boolean doRestore = !update 11395 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 11396 11397 // Set up the post-install work request bookkeeping. This will be used 11398 // and cleaned up by the post-install event handling regardless of whether 11399 // there's a restore pass performed. Token values are >= 1. 11400 int token; 11401 if (mNextInstallToken < 0) mNextInstallToken = 1; 11402 token = mNextInstallToken++; 11403 11404 PostInstallData data = new PostInstallData(args, res); 11405 mRunningInstalls.put(token, data); 11406 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 11407 11408 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 11409 // Pass responsibility to the Backup Manager. It will perform a 11410 // restore if appropriate, then pass responsibility back to the 11411 // Package Manager to run the post-install observer callbacks 11412 // and broadcasts. 11413 IBackupManager bm = IBackupManager.Stub.asInterface( 11414 ServiceManager.getService(Context.BACKUP_SERVICE)); 11415 if (bm != null) { 11416 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 11417 + " to BM for possible restore"); 11418 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 11419 try { 11420 // TODO: http://b/22388012 11421 if (bm.isBackupServiceActive(UserHandle.USER_SYSTEM)) { 11422 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 11423 } else { 11424 doRestore = false; 11425 } 11426 } catch (RemoteException e) { 11427 // can't happen; the backup manager is local 11428 } catch (Exception e) { 11429 Slog.e(TAG, "Exception trying to enqueue restore", e); 11430 doRestore = false; 11431 } 11432 } else { 11433 Slog.e(TAG, "Backup Manager not found!"); 11434 doRestore = false; 11435 } 11436 } 11437 11438 if (!doRestore) { 11439 // No restore possible, or the Backup Manager was mysteriously not 11440 // available -- just fire the post-install work request directly. 11441 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 11442 11443 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "postInstall", token); 11444 11445 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 11446 mHandler.sendMessage(msg); 11447 } 11448 } 11449 }); 11450 } 11451 11452 private abstract class HandlerParams { 11453 private static final int MAX_RETRIES = 4; 11454 11455 /** 11456 * Number of times startCopy() has been attempted and had a non-fatal 11457 * error. 11458 */ 11459 private int mRetries = 0; 11460 11461 /** User handle for the user requesting the information or installation. */ 11462 private final UserHandle mUser; 11463 String traceMethod; 11464 int traceCookie; 11465 11466 HandlerParams(UserHandle user) { 11467 mUser = user; 11468 } 11469 11470 UserHandle getUser() { 11471 return mUser; 11472 } 11473 11474 HandlerParams setTraceMethod(String traceMethod) { 11475 this.traceMethod = traceMethod; 11476 return this; 11477 } 11478 11479 HandlerParams setTraceCookie(int traceCookie) { 11480 this.traceCookie = traceCookie; 11481 return this; 11482 } 11483 11484 final boolean startCopy() { 11485 boolean res; 11486 try { 11487 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 11488 11489 if (++mRetries > MAX_RETRIES) { 11490 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 11491 mHandler.sendEmptyMessage(MCS_GIVE_UP); 11492 handleServiceError(); 11493 return false; 11494 } else { 11495 handleStartCopy(); 11496 res = true; 11497 } 11498 } catch (RemoteException e) { 11499 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 11500 mHandler.sendEmptyMessage(MCS_RECONNECT); 11501 res = false; 11502 } 11503 handleReturnCode(); 11504 return res; 11505 } 11506 11507 final void serviceError() { 11508 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 11509 handleServiceError(); 11510 handleReturnCode(); 11511 } 11512 11513 abstract void handleStartCopy() throws RemoteException; 11514 abstract void handleServiceError(); 11515 abstract void handleReturnCode(); 11516 } 11517 11518 class MeasureParams extends HandlerParams { 11519 private final PackageStats mStats; 11520 private boolean mSuccess; 11521 11522 private final IPackageStatsObserver mObserver; 11523 11524 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 11525 super(new UserHandle(stats.userHandle)); 11526 mObserver = observer; 11527 mStats = stats; 11528 } 11529 11530 @Override 11531 public String toString() { 11532 return "MeasureParams{" 11533 + Integer.toHexString(System.identityHashCode(this)) 11534 + " " + mStats.packageName + "}"; 11535 } 11536 11537 @Override 11538 void handleStartCopy() throws RemoteException { 11539 synchronized (mInstallLock) { 11540 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 11541 } 11542 11543 if (mSuccess) { 11544 final boolean mounted; 11545 if (Environment.isExternalStorageEmulated()) { 11546 mounted = true; 11547 } else { 11548 final String status = Environment.getExternalStorageState(); 11549 mounted = (Environment.MEDIA_MOUNTED.equals(status) 11550 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 11551 } 11552 11553 if (mounted) { 11554 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 11555 11556 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 11557 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 11558 11559 mStats.externalDataSize = calculateDirectorySize(mContainerService, 11560 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 11561 11562 // Always subtract cache size, since it's a subdirectory 11563 mStats.externalDataSize -= mStats.externalCacheSize; 11564 11565 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 11566 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 11567 11568 mStats.externalObbSize = calculateDirectorySize(mContainerService, 11569 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 11570 } 11571 } 11572 } 11573 11574 @Override 11575 void handleReturnCode() { 11576 if (mObserver != null) { 11577 try { 11578 mObserver.onGetStatsCompleted(mStats, mSuccess); 11579 } catch (RemoteException e) { 11580 Slog.i(TAG, "Observer no longer exists."); 11581 } 11582 } 11583 } 11584 11585 @Override 11586 void handleServiceError() { 11587 Slog.e(TAG, "Could not measure application " + mStats.packageName 11588 + " external storage"); 11589 } 11590 } 11591 11592 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 11593 throws RemoteException { 11594 long result = 0; 11595 for (File path : paths) { 11596 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 11597 } 11598 return result; 11599 } 11600 11601 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 11602 for (File path : paths) { 11603 try { 11604 mcs.clearDirectory(path.getAbsolutePath()); 11605 } catch (RemoteException e) { 11606 } 11607 } 11608 } 11609 11610 static class OriginInfo { 11611 /** 11612 * Location where install is coming from, before it has been 11613 * copied/renamed into place. This could be a single monolithic APK 11614 * file, or a cluster directory. This location may be untrusted. 11615 */ 11616 final File file; 11617 final String cid; 11618 11619 /** 11620 * Flag indicating that {@link #file} or {@link #cid} has already been 11621 * staged, meaning downstream users don't need to defensively copy the 11622 * contents. 11623 */ 11624 final boolean staged; 11625 11626 /** 11627 * Flag indicating that {@link #file} or {@link #cid} is an already 11628 * installed app that is being moved. 11629 */ 11630 final boolean existing; 11631 11632 final String resolvedPath; 11633 final File resolvedFile; 11634 11635 static OriginInfo fromNothing() { 11636 return new OriginInfo(null, null, false, false); 11637 } 11638 11639 static OriginInfo fromUntrustedFile(File file) { 11640 return new OriginInfo(file, null, false, false); 11641 } 11642 11643 static OriginInfo fromExistingFile(File file) { 11644 return new OriginInfo(file, null, false, true); 11645 } 11646 11647 static OriginInfo fromStagedFile(File file) { 11648 return new OriginInfo(file, null, true, false); 11649 } 11650 11651 static OriginInfo fromStagedContainer(String cid) { 11652 return new OriginInfo(null, cid, true, false); 11653 } 11654 11655 private OriginInfo(File file, String cid, boolean staged, boolean existing) { 11656 this.file = file; 11657 this.cid = cid; 11658 this.staged = staged; 11659 this.existing = existing; 11660 11661 if (cid != null) { 11662 resolvedPath = PackageHelper.getSdDir(cid); 11663 resolvedFile = new File(resolvedPath); 11664 } else if (file != null) { 11665 resolvedPath = file.getAbsolutePath(); 11666 resolvedFile = file; 11667 } else { 11668 resolvedPath = null; 11669 resolvedFile = null; 11670 } 11671 } 11672 } 11673 11674 static class MoveInfo { 11675 final int moveId; 11676 final String fromUuid; 11677 final String toUuid; 11678 final String packageName; 11679 final String dataAppName; 11680 final int appId; 11681 final String seinfo; 11682 final int targetSdkVersion; 11683 11684 public MoveInfo(int moveId, String fromUuid, String toUuid, String packageName, 11685 String dataAppName, int appId, String seinfo, int targetSdkVersion) { 11686 this.moveId = moveId; 11687 this.fromUuid = fromUuid; 11688 this.toUuid = toUuid; 11689 this.packageName = packageName; 11690 this.dataAppName = dataAppName; 11691 this.appId = appId; 11692 this.seinfo = seinfo; 11693 this.targetSdkVersion = targetSdkVersion; 11694 } 11695 } 11696 11697 static class VerificationInfo { 11698 /** A constant used to indicate that a uid value is not present. */ 11699 public static final int NO_UID = -1; 11700 11701 /** URI referencing where the package was downloaded from. */ 11702 final Uri originatingUri; 11703 11704 /** HTTP referrer URI associated with the originatingURI. */ 11705 final Uri referrer; 11706 11707 /** UID of the application that the install request originated from. */ 11708 final int originatingUid; 11709 11710 /** UID of application requesting the install */ 11711 final int installerUid; 11712 11713 VerificationInfo(Uri originatingUri, Uri referrer, int originatingUid, int installerUid) { 11714 this.originatingUri = originatingUri; 11715 this.referrer = referrer; 11716 this.originatingUid = originatingUid; 11717 this.installerUid = installerUid; 11718 } 11719 } 11720 11721 class InstallParams extends HandlerParams { 11722 final OriginInfo origin; 11723 final MoveInfo move; 11724 final IPackageInstallObserver2 observer; 11725 int installFlags; 11726 final String installerPackageName; 11727 final String volumeUuid; 11728 private InstallArgs mArgs; 11729 private int mRet; 11730 final String packageAbiOverride; 11731 final String[] grantedRuntimePermissions; 11732 final VerificationInfo verificationInfo; 11733 11734 InstallParams(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 11735 int installFlags, String installerPackageName, String volumeUuid, 11736 VerificationInfo verificationInfo, UserHandle user, String packageAbiOverride, 11737 String[] grantedPermissions) { 11738 super(user); 11739 this.origin = origin; 11740 this.move = move; 11741 this.observer = observer; 11742 this.installFlags = installFlags; 11743 this.installerPackageName = installerPackageName; 11744 this.volumeUuid = volumeUuid; 11745 this.verificationInfo = verificationInfo; 11746 this.packageAbiOverride = packageAbiOverride; 11747 this.grantedRuntimePermissions = grantedPermissions; 11748 } 11749 11750 @Override 11751 public String toString() { 11752 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 11753 + " file=" + origin.file + " cid=" + origin.cid + "}"; 11754 } 11755 11756 private int installLocationPolicy(PackageInfoLite pkgLite) { 11757 String packageName = pkgLite.packageName; 11758 int installLocation = pkgLite.installLocation; 11759 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 11760 // reader 11761 synchronized (mPackages) { 11762 // Currently installed package which the new package is attempting to replace or 11763 // null if no such package is installed. 11764 PackageParser.Package installedPkg = mPackages.get(packageName); 11765 // Package which currently owns the data which the new package will own if installed. 11766 // If an app is unstalled while keeping data (e.g., adb uninstall -k), installedPkg 11767 // will be null whereas dataOwnerPkg will contain information about the package 11768 // which was uninstalled while keeping its data. 11769 PackageParser.Package dataOwnerPkg = installedPkg; 11770 if (dataOwnerPkg == null) { 11771 PackageSetting ps = mSettings.mPackages.get(packageName); 11772 if (ps != null) { 11773 dataOwnerPkg = ps.pkg; 11774 } 11775 } 11776 11777 if (dataOwnerPkg != null) { 11778 // If installed, the package will get access to data left on the device by its 11779 // predecessor. As a security measure, this is permited only if this is not a 11780 // version downgrade or if the predecessor package is marked as debuggable and 11781 // a downgrade is explicitly requested. 11782 if (((dataOwnerPkg.applicationInfo.flags & ApplicationInfo.FLAG_DEBUGGABLE) == 0) 11783 || ((installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) == 0)) { 11784 try { 11785 checkDowngrade(dataOwnerPkg, pkgLite); 11786 } catch (PackageManagerException e) { 11787 Slog.w(TAG, "Downgrade detected: " + e.getMessage()); 11788 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 11789 } 11790 } 11791 } 11792 11793 if (installedPkg != null) { 11794 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 11795 // Check for updated system application. 11796 if ((installedPkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 11797 if (onSd) { 11798 Slog.w(TAG, "Cannot install update to system app on sdcard"); 11799 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 11800 } 11801 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 11802 } else { 11803 if (onSd) { 11804 // Install flag overrides everything. 11805 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 11806 } 11807 // If current upgrade specifies particular preference 11808 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 11809 // Application explicitly specified internal. 11810 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 11811 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 11812 // App explictly prefers external. Let policy decide 11813 } else { 11814 // Prefer previous location 11815 if (isExternal(installedPkg)) { 11816 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 11817 } 11818 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 11819 } 11820 } 11821 } else { 11822 // Invalid install. Return error code 11823 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 11824 } 11825 } 11826 } 11827 // All the special cases have been taken care of. 11828 // Return result based on recommended install location. 11829 if (onSd) { 11830 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 11831 } 11832 return pkgLite.recommendedInstallLocation; 11833 } 11834 11835 /* 11836 * Invoke remote method to get package information and install 11837 * location values. Override install location based on default 11838 * policy if needed and then create install arguments based 11839 * on the install location. 11840 */ 11841 public void handleStartCopy() throws RemoteException { 11842 int ret = PackageManager.INSTALL_SUCCEEDED; 11843 11844 // If we're already staged, we've firmly committed to an install location 11845 if (origin.staged) { 11846 if (origin.file != null) { 11847 installFlags |= PackageManager.INSTALL_INTERNAL; 11848 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 11849 } else if (origin.cid != null) { 11850 installFlags |= PackageManager.INSTALL_EXTERNAL; 11851 installFlags &= ~PackageManager.INSTALL_INTERNAL; 11852 } else { 11853 throw new IllegalStateException("Invalid stage location"); 11854 } 11855 } 11856 11857 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 11858 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 11859 final boolean ephemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 11860 PackageInfoLite pkgLite = null; 11861 11862 if (onInt && onSd) { 11863 // Check if both bits are set. 11864 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 11865 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 11866 } else if (onSd && ephemeral) { 11867 Slog.w(TAG, "Conflicting flags specified for installing ephemeral on external"); 11868 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 11869 } else { 11870 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 11871 packageAbiOverride); 11872 11873 if (DEBUG_EPHEMERAL && ephemeral) { 11874 Slog.v(TAG, "pkgLite for install: " + pkgLite); 11875 } 11876 11877 /* 11878 * If we have too little free space, try to free cache 11879 * before giving up. 11880 */ 11881 if (!origin.staged && pkgLite.recommendedInstallLocation 11882 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 11883 // TODO: focus freeing disk space on the target device 11884 final StorageManager storage = StorageManager.from(mContext); 11885 final long lowThreshold = storage.getStorageLowBytes( 11886 Environment.getDataDirectory()); 11887 11888 final long sizeBytes = mContainerService.calculateInstalledSize( 11889 origin.resolvedPath, isForwardLocked(), packageAbiOverride); 11890 11891 try { 11892 mInstaller.freeCache(null, sizeBytes + lowThreshold); 11893 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 11894 installFlags, packageAbiOverride); 11895 } catch (InstallerException e) { 11896 Slog.w(TAG, "Failed to free cache", e); 11897 } 11898 11899 /* 11900 * The cache free must have deleted the file we 11901 * downloaded to install. 11902 * 11903 * TODO: fix the "freeCache" call to not delete 11904 * the file we care about. 11905 */ 11906 if (pkgLite.recommendedInstallLocation 11907 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 11908 pkgLite.recommendedInstallLocation 11909 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 11910 } 11911 } 11912 } 11913 11914 if (ret == PackageManager.INSTALL_SUCCEEDED) { 11915 int loc = pkgLite.recommendedInstallLocation; 11916 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 11917 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 11918 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 11919 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 11920 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 11921 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 11922 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 11923 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 11924 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 11925 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 11926 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 11927 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 11928 } else { 11929 // Override with defaults if needed. 11930 loc = installLocationPolicy(pkgLite); 11931 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 11932 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 11933 } else if (!onSd && !onInt) { 11934 // Override install location with flags 11935 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 11936 // Set the flag to install on external media. 11937 installFlags |= PackageManager.INSTALL_EXTERNAL; 11938 installFlags &= ~PackageManager.INSTALL_INTERNAL; 11939 } else if (loc == PackageHelper.RECOMMEND_INSTALL_EPHEMERAL) { 11940 if (DEBUG_EPHEMERAL) { 11941 Slog.v(TAG, "...setting INSTALL_EPHEMERAL install flag"); 11942 } 11943 installFlags |= PackageManager.INSTALL_EPHEMERAL; 11944 installFlags &= ~(PackageManager.INSTALL_EXTERNAL 11945 |PackageManager.INSTALL_INTERNAL); 11946 } else { 11947 // Make sure the flag for installing on external 11948 // media is unset 11949 installFlags |= PackageManager.INSTALL_INTERNAL; 11950 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 11951 } 11952 } 11953 } 11954 } 11955 11956 final InstallArgs args = createInstallArgs(this); 11957 mArgs = args; 11958 11959 if (ret == PackageManager.INSTALL_SUCCEEDED) { 11960 // TODO: http://b/22976637 11961 // Apps installed for "all" users use the device owner to verify the app 11962 UserHandle verifierUser = getUser(); 11963 if (verifierUser == UserHandle.ALL) { 11964 verifierUser = UserHandle.SYSTEM; 11965 } 11966 11967 /* 11968 * Determine if we have any installed package verifiers. If we 11969 * do, then we'll defer to them to verify the packages. 11970 */ 11971 final int requiredUid = mRequiredVerifierPackage == null ? -1 11972 : getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 11973 verifierUser.getIdentifier()); 11974 if (!origin.existing && requiredUid != -1 11975 && isVerificationEnabled(verifierUser.getIdentifier(), installFlags)) { 11976 final Intent verification = new Intent( 11977 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 11978 verification.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 11979 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 11980 PACKAGE_MIME_TYPE); 11981 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 11982 11983 // Query all live verifiers based on current user state 11984 final List<ResolveInfo> receivers = queryIntentReceiversInternal(verification, 11985 PACKAGE_MIME_TYPE, 0, verifierUser.getIdentifier()); 11986 11987 if (DEBUG_VERIFY) { 11988 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 11989 + verification.toString() + " with " + pkgLite.verifiers.length 11990 + " optional verifiers"); 11991 } 11992 11993 final int verificationId = mPendingVerificationToken++; 11994 11995 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 11996 11997 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 11998 installerPackageName); 11999 12000 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 12001 installFlags); 12002 12003 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 12004 pkgLite.packageName); 12005 12006 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 12007 pkgLite.versionCode); 12008 12009 if (verificationInfo != null) { 12010 if (verificationInfo.originatingUri != null) { 12011 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 12012 verificationInfo.originatingUri); 12013 } 12014 if (verificationInfo.referrer != null) { 12015 verification.putExtra(Intent.EXTRA_REFERRER, 12016 verificationInfo.referrer); 12017 } 12018 if (verificationInfo.originatingUid >= 0) { 12019 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 12020 verificationInfo.originatingUid); 12021 } 12022 if (verificationInfo.installerUid >= 0) { 12023 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 12024 verificationInfo.installerUid); 12025 } 12026 } 12027 12028 final PackageVerificationState verificationState = new PackageVerificationState( 12029 requiredUid, args); 12030 12031 mPendingVerification.append(verificationId, verificationState); 12032 12033 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 12034 receivers, verificationState); 12035 12036 /* 12037 * If any sufficient verifiers were listed in the package 12038 * manifest, attempt to ask them. 12039 */ 12040 if (sufficientVerifiers != null) { 12041 final int N = sufficientVerifiers.size(); 12042 if (N == 0) { 12043 Slog.i(TAG, "Additional verifiers required, but none installed."); 12044 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 12045 } else { 12046 for (int i = 0; i < N; i++) { 12047 final ComponentName verifierComponent = sufficientVerifiers.get(i); 12048 12049 final Intent sufficientIntent = new Intent(verification); 12050 sufficientIntent.setComponent(verifierComponent); 12051 mContext.sendBroadcastAsUser(sufficientIntent, verifierUser); 12052 } 12053 } 12054 } 12055 12056 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 12057 mRequiredVerifierPackage, receivers); 12058 if (ret == PackageManager.INSTALL_SUCCEEDED 12059 && mRequiredVerifierPackage != null) { 12060 Trace.asyncTraceBegin( 12061 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 12062 /* 12063 * Send the intent to the required verification agent, 12064 * but only start the verification timeout after the 12065 * target BroadcastReceivers have run. 12066 */ 12067 verification.setComponent(requiredVerifierComponent); 12068 mContext.sendOrderedBroadcastAsUser(verification, verifierUser, 12069 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 12070 new BroadcastReceiver() { 12071 @Override 12072 public void onReceive(Context context, Intent intent) { 12073 final Message msg = mHandler 12074 .obtainMessage(CHECK_PENDING_VERIFICATION); 12075 msg.arg1 = verificationId; 12076 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 12077 } 12078 }, null, 0, null, null); 12079 12080 /* 12081 * We don't want the copy to proceed until verification 12082 * succeeds, so null out this field. 12083 */ 12084 mArgs = null; 12085 } 12086 } else { 12087 /* 12088 * No package verification is enabled, so immediately start 12089 * the remote call to initiate copy using temporary file. 12090 */ 12091 ret = args.copyApk(mContainerService, true); 12092 } 12093 } 12094 12095 mRet = ret; 12096 } 12097 12098 @Override 12099 void handleReturnCode() { 12100 // If mArgs is null, then MCS couldn't be reached. When it 12101 // reconnects, it will try again to install. At that point, this 12102 // will succeed. 12103 if (mArgs != null) { 12104 processPendingInstall(mArgs, mRet); 12105 } 12106 } 12107 12108 @Override 12109 void handleServiceError() { 12110 mArgs = createInstallArgs(this); 12111 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 12112 } 12113 12114 public boolean isForwardLocked() { 12115 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 12116 } 12117 } 12118 12119 /** 12120 * Used during creation of InstallArgs 12121 * 12122 * @param installFlags package installation flags 12123 * @return true if should be installed on external storage 12124 */ 12125 private static boolean installOnExternalAsec(int installFlags) { 12126 if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) { 12127 return false; 12128 } 12129 if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 12130 return true; 12131 } 12132 return false; 12133 } 12134 12135 /** 12136 * Used during creation of InstallArgs 12137 * 12138 * @param installFlags package installation flags 12139 * @return true if should be installed as forward locked 12140 */ 12141 private static boolean installForwardLocked(int installFlags) { 12142 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 12143 } 12144 12145 private InstallArgs createInstallArgs(InstallParams params) { 12146 if (params.move != null) { 12147 return new MoveInstallArgs(params); 12148 } else if (installOnExternalAsec(params.installFlags) || params.isForwardLocked()) { 12149 return new AsecInstallArgs(params); 12150 } else { 12151 return new FileInstallArgs(params); 12152 } 12153 } 12154 12155 /** 12156 * Create args that describe an existing installed package. Typically used 12157 * when cleaning up old installs, or used as a move source. 12158 */ 12159 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 12160 String resourcePath, String[] instructionSets) { 12161 final boolean isInAsec; 12162 if (installOnExternalAsec(installFlags)) { 12163 /* Apps on SD card are always in ASEC containers. */ 12164 isInAsec = true; 12165 } else if (installForwardLocked(installFlags) 12166 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 12167 /* 12168 * Forward-locked apps are only in ASEC containers if they're the 12169 * new style 12170 */ 12171 isInAsec = true; 12172 } else { 12173 isInAsec = false; 12174 } 12175 12176 if (isInAsec) { 12177 return new AsecInstallArgs(codePath, instructionSets, 12178 installOnExternalAsec(installFlags), installForwardLocked(installFlags)); 12179 } else { 12180 return new FileInstallArgs(codePath, resourcePath, instructionSets); 12181 } 12182 } 12183 12184 static abstract class InstallArgs { 12185 /** @see InstallParams#origin */ 12186 final OriginInfo origin; 12187 /** @see InstallParams#move */ 12188 final MoveInfo move; 12189 12190 final IPackageInstallObserver2 observer; 12191 // Always refers to PackageManager flags only 12192 final int installFlags; 12193 final String installerPackageName; 12194 final String volumeUuid; 12195 final UserHandle user; 12196 final String abiOverride; 12197 final String[] installGrantPermissions; 12198 /** If non-null, drop an async trace when the install completes */ 12199 final String traceMethod; 12200 final int traceCookie; 12201 12202 // The list of instruction sets supported by this app. This is currently 12203 // only used during the rmdex() phase to clean up resources. We can get rid of this 12204 // if we move dex files under the common app path. 12205 /* nullable */ String[] instructionSets; 12206 12207 InstallArgs(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 12208 int installFlags, String installerPackageName, String volumeUuid, 12209 UserHandle user, String[] instructionSets, 12210 String abiOverride, String[] installGrantPermissions, 12211 String traceMethod, int traceCookie) { 12212 this.origin = origin; 12213 this.move = move; 12214 this.installFlags = installFlags; 12215 this.observer = observer; 12216 this.installerPackageName = installerPackageName; 12217 this.volumeUuid = volumeUuid; 12218 this.user = user; 12219 this.instructionSets = instructionSets; 12220 this.abiOverride = abiOverride; 12221 this.installGrantPermissions = installGrantPermissions; 12222 this.traceMethod = traceMethod; 12223 this.traceCookie = traceCookie; 12224 } 12225 12226 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 12227 abstract int doPreInstall(int status); 12228 12229 /** 12230 * Rename package into final resting place. All paths on the given 12231 * scanned package should be updated to reflect the rename. 12232 */ 12233 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 12234 abstract int doPostInstall(int status, int uid); 12235 12236 /** @see PackageSettingBase#codePathString */ 12237 abstract String getCodePath(); 12238 /** @see PackageSettingBase#resourcePathString */ 12239 abstract String getResourcePath(); 12240 12241 // Need installer lock especially for dex file removal. 12242 abstract void cleanUpResourcesLI(); 12243 abstract boolean doPostDeleteLI(boolean delete); 12244 12245 /** 12246 * Called before the source arguments are copied. This is used mostly 12247 * for MoveParams when it needs to read the source file to put it in the 12248 * destination. 12249 */ 12250 int doPreCopy() { 12251 return PackageManager.INSTALL_SUCCEEDED; 12252 } 12253 12254 /** 12255 * Called after the source arguments are copied. This is used mostly for 12256 * MoveParams when it needs to read the source file to put it in the 12257 * destination. 12258 * 12259 * @return 12260 */ 12261 int doPostCopy(int uid) { 12262 return PackageManager.INSTALL_SUCCEEDED; 12263 } 12264 12265 protected boolean isFwdLocked() { 12266 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 12267 } 12268 12269 protected boolean isExternalAsec() { 12270 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 12271 } 12272 12273 protected boolean isEphemeral() { 12274 return (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 12275 } 12276 12277 UserHandle getUser() { 12278 return user; 12279 } 12280 } 12281 12282 private void removeDexFiles(List<String> allCodePaths, String[] instructionSets) { 12283 if (!allCodePaths.isEmpty()) { 12284 if (instructionSets == null) { 12285 throw new IllegalStateException("instructionSet == null"); 12286 } 12287 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 12288 for (String codePath : allCodePaths) { 12289 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 12290 try { 12291 mInstaller.rmdex(codePath, dexCodeInstructionSet); 12292 } catch (InstallerException ignored) { 12293 } 12294 } 12295 } 12296 } 12297 } 12298 12299 /** 12300 * Logic to handle installation of non-ASEC applications, including copying 12301 * and renaming logic. 12302 */ 12303 class FileInstallArgs extends InstallArgs { 12304 private File codeFile; 12305 private File resourceFile; 12306 12307 // Example topology: 12308 // /data/app/com.example/base.apk 12309 // /data/app/com.example/split_foo.apk 12310 // /data/app/com.example/lib/arm/libfoo.so 12311 // /data/app/com.example/lib/arm64/libfoo.so 12312 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 12313 12314 /** New install */ 12315 FileInstallArgs(InstallParams params) { 12316 super(params.origin, params.move, params.observer, params.installFlags, 12317 params.installerPackageName, params.volumeUuid, 12318 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 12319 params.grantedRuntimePermissions, 12320 params.traceMethod, params.traceCookie); 12321 if (isFwdLocked()) { 12322 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 12323 } 12324 } 12325 12326 /** Existing install */ 12327 FileInstallArgs(String codePath, String resourcePath, String[] instructionSets) { 12328 super(OriginInfo.fromNothing(), null, null, 0, null, null, null, instructionSets, 12329 null, null, null, 0); 12330 this.codeFile = (codePath != null) ? new File(codePath) : null; 12331 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 12332 } 12333 12334 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 12335 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyApk"); 12336 try { 12337 return doCopyApk(imcs, temp); 12338 } finally { 12339 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 12340 } 12341 } 12342 12343 private int doCopyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 12344 if (origin.staged) { 12345 if (DEBUG_INSTALL) Slog.d(TAG, origin.file + " already staged; skipping copy"); 12346 codeFile = origin.file; 12347 resourceFile = origin.file; 12348 return PackageManager.INSTALL_SUCCEEDED; 12349 } 12350 12351 try { 12352 final boolean isEphemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 12353 final File tempDir = 12354 mInstallerService.allocateStageDirLegacy(volumeUuid, isEphemeral); 12355 codeFile = tempDir; 12356 resourceFile = tempDir; 12357 } catch (IOException e) { 12358 Slog.w(TAG, "Failed to create copy file: " + e); 12359 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 12360 } 12361 12362 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 12363 @Override 12364 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 12365 if (!FileUtils.isValidExtFilename(name)) { 12366 throw new IllegalArgumentException("Invalid filename: " + name); 12367 } 12368 try { 12369 final File file = new File(codeFile, name); 12370 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 12371 O_RDWR | O_CREAT, 0644); 12372 Os.chmod(file.getAbsolutePath(), 0644); 12373 return new ParcelFileDescriptor(fd); 12374 } catch (ErrnoException e) { 12375 throw new RemoteException("Failed to open: " + e.getMessage()); 12376 } 12377 } 12378 }; 12379 12380 int ret = PackageManager.INSTALL_SUCCEEDED; 12381 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 12382 if (ret != PackageManager.INSTALL_SUCCEEDED) { 12383 Slog.e(TAG, "Failed to copy package"); 12384 return ret; 12385 } 12386 12387 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 12388 NativeLibraryHelper.Handle handle = null; 12389 try { 12390 handle = NativeLibraryHelper.Handle.create(codeFile); 12391 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 12392 abiOverride); 12393 } catch (IOException e) { 12394 Slog.e(TAG, "Copying native libraries failed", e); 12395 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 12396 } finally { 12397 IoUtils.closeQuietly(handle); 12398 } 12399 12400 return ret; 12401 } 12402 12403 int doPreInstall(int status) { 12404 if (status != PackageManager.INSTALL_SUCCEEDED) { 12405 cleanUp(); 12406 } 12407 return status; 12408 } 12409 12410 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 12411 if (status != PackageManager.INSTALL_SUCCEEDED) { 12412 cleanUp(); 12413 return false; 12414 } 12415 12416 final File targetDir = codeFile.getParentFile(); 12417 final File beforeCodeFile = codeFile; 12418 final File afterCodeFile = getNextCodePath(targetDir, pkg.packageName); 12419 12420 if (DEBUG_INSTALL) Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 12421 try { 12422 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 12423 } catch (ErrnoException e) { 12424 Slog.w(TAG, "Failed to rename", e); 12425 return false; 12426 } 12427 12428 if (!SELinux.restoreconRecursive(afterCodeFile)) { 12429 Slog.w(TAG, "Failed to restorecon"); 12430 return false; 12431 } 12432 12433 // Reflect the rename internally 12434 codeFile = afterCodeFile; 12435 resourceFile = afterCodeFile; 12436 12437 // Reflect the rename in scanned details 12438 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 12439 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 12440 afterCodeFile, pkg.baseCodePath)); 12441 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 12442 afterCodeFile, pkg.splitCodePaths)); 12443 12444 // Reflect the rename in app info 12445 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 12446 pkg.setApplicationInfoCodePath(pkg.codePath); 12447 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 12448 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 12449 pkg.setApplicationInfoResourcePath(pkg.codePath); 12450 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 12451 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 12452 12453 return true; 12454 } 12455 12456 int doPostInstall(int status, int uid) { 12457 if (status != PackageManager.INSTALL_SUCCEEDED) { 12458 cleanUp(); 12459 } 12460 return status; 12461 } 12462 12463 @Override 12464 String getCodePath() { 12465 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 12466 } 12467 12468 @Override 12469 String getResourcePath() { 12470 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 12471 } 12472 12473 private boolean cleanUp() { 12474 if (codeFile == null || !codeFile.exists()) { 12475 return false; 12476 } 12477 12478 removeCodePathLI(codeFile); 12479 12480 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 12481 resourceFile.delete(); 12482 } 12483 12484 return true; 12485 } 12486 12487 void cleanUpResourcesLI() { 12488 // Try enumerating all code paths before deleting 12489 List<String> allCodePaths = Collections.EMPTY_LIST; 12490 if (codeFile != null && codeFile.exists()) { 12491 try { 12492 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 12493 allCodePaths = pkg.getAllCodePaths(); 12494 } catch (PackageParserException e) { 12495 // Ignored; we tried our best 12496 } 12497 } 12498 12499 cleanUp(); 12500 removeDexFiles(allCodePaths, instructionSets); 12501 } 12502 12503 boolean doPostDeleteLI(boolean delete) { 12504 // XXX err, shouldn't we respect the delete flag? 12505 cleanUpResourcesLI(); 12506 return true; 12507 } 12508 } 12509 12510 private boolean isAsecExternal(String cid) { 12511 final String asecPath = PackageHelper.getSdFilesystem(cid); 12512 return !asecPath.startsWith(mAsecInternalPath); 12513 } 12514 12515 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 12516 PackageManagerException { 12517 if (copyRet < 0) { 12518 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 12519 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 12520 throw new PackageManagerException(copyRet, message); 12521 } 12522 } 12523 } 12524 12525 /** 12526 * Extract the MountService "container ID" from the full code path of an 12527 * .apk. 12528 */ 12529 static String cidFromCodePath(String fullCodePath) { 12530 int eidx = fullCodePath.lastIndexOf("/"); 12531 String subStr1 = fullCodePath.substring(0, eidx); 12532 int sidx = subStr1.lastIndexOf("/"); 12533 return subStr1.substring(sidx+1, eidx); 12534 } 12535 12536 /** 12537 * Logic to handle installation of ASEC applications, including copying and 12538 * renaming logic. 12539 */ 12540 class AsecInstallArgs extends InstallArgs { 12541 static final String RES_FILE_NAME = "pkg.apk"; 12542 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 12543 12544 String cid; 12545 String packagePath; 12546 String resourcePath; 12547 12548 /** New install */ 12549 AsecInstallArgs(InstallParams params) { 12550 super(params.origin, params.move, params.observer, params.installFlags, 12551 params.installerPackageName, params.volumeUuid, 12552 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 12553 params.grantedRuntimePermissions, 12554 params.traceMethod, params.traceCookie); 12555 } 12556 12557 /** Existing install */ 12558 AsecInstallArgs(String fullCodePath, String[] instructionSets, 12559 boolean isExternal, boolean isForwardLocked) { 12560 super(OriginInfo.fromNothing(), null, null, (isExternal ? INSTALL_EXTERNAL : 0) 12561 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 12562 instructionSets, null, null, null, 0); 12563 // Hackily pretend we're still looking at a full code path 12564 if (!fullCodePath.endsWith(RES_FILE_NAME)) { 12565 fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath(); 12566 } 12567 12568 // Extract cid from fullCodePath 12569 int eidx = fullCodePath.lastIndexOf("/"); 12570 String subStr1 = fullCodePath.substring(0, eidx); 12571 int sidx = subStr1.lastIndexOf("/"); 12572 cid = subStr1.substring(sidx+1, eidx); 12573 setMountPath(subStr1); 12574 } 12575 12576 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) { 12577 super(OriginInfo.fromNothing(), null, null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 12578 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 12579 instructionSets, null, null, null, 0); 12580 this.cid = cid; 12581 setMountPath(PackageHelper.getSdDir(cid)); 12582 } 12583 12584 void createCopyFile() { 12585 cid = mInstallerService.allocateExternalStageCidLegacy(); 12586 } 12587 12588 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 12589 if (origin.staged && origin.cid != null) { 12590 if (DEBUG_INSTALL) Slog.d(TAG, origin.cid + " already staged; skipping copy"); 12591 cid = origin.cid; 12592 setMountPath(PackageHelper.getSdDir(cid)); 12593 return PackageManager.INSTALL_SUCCEEDED; 12594 } 12595 12596 if (temp) { 12597 createCopyFile(); 12598 } else { 12599 /* 12600 * Pre-emptively destroy the container since it's destroyed if 12601 * copying fails due to it existing anyway. 12602 */ 12603 PackageHelper.destroySdDir(cid); 12604 } 12605 12606 final String newMountPath = imcs.copyPackageToContainer( 12607 origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternalAsec(), 12608 isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */)); 12609 12610 if (newMountPath != null) { 12611 setMountPath(newMountPath); 12612 return PackageManager.INSTALL_SUCCEEDED; 12613 } else { 12614 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 12615 } 12616 } 12617 12618 @Override 12619 String getCodePath() { 12620 return packagePath; 12621 } 12622 12623 @Override 12624 String getResourcePath() { 12625 return resourcePath; 12626 } 12627 12628 int doPreInstall(int status) { 12629 if (status != PackageManager.INSTALL_SUCCEEDED) { 12630 // Destroy container 12631 PackageHelper.destroySdDir(cid); 12632 } else { 12633 boolean mounted = PackageHelper.isContainerMounted(cid); 12634 if (!mounted) { 12635 String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(), 12636 Process.SYSTEM_UID); 12637 if (newMountPath != null) { 12638 setMountPath(newMountPath); 12639 } else { 12640 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 12641 } 12642 } 12643 } 12644 return status; 12645 } 12646 12647 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 12648 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 12649 String newMountPath = null; 12650 if (PackageHelper.isContainerMounted(cid)) { 12651 // Unmount the container 12652 if (!PackageHelper.unMountSdDir(cid)) { 12653 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 12654 return false; 12655 } 12656 } 12657 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 12658 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 12659 " which might be stale. Will try to clean up."); 12660 // Clean up the stale container and proceed to recreate. 12661 if (!PackageHelper.destroySdDir(newCacheId)) { 12662 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 12663 return false; 12664 } 12665 // Successfully cleaned up stale container. Try to rename again. 12666 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 12667 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 12668 + " inspite of cleaning it up."); 12669 return false; 12670 } 12671 } 12672 if (!PackageHelper.isContainerMounted(newCacheId)) { 12673 Slog.w(TAG, "Mounting container " + newCacheId); 12674 newMountPath = PackageHelper.mountSdDir(newCacheId, 12675 getEncryptKey(), Process.SYSTEM_UID); 12676 } else { 12677 newMountPath = PackageHelper.getSdDir(newCacheId); 12678 } 12679 if (newMountPath == null) { 12680 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 12681 return false; 12682 } 12683 Log.i(TAG, "Succesfully renamed " + cid + 12684 " to " + newCacheId + 12685 " at new path: " + newMountPath); 12686 cid = newCacheId; 12687 12688 final File beforeCodeFile = new File(packagePath); 12689 setMountPath(newMountPath); 12690 final File afterCodeFile = new File(packagePath); 12691 12692 // Reflect the rename in scanned details 12693 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 12694 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 12695 afterCodeFile, pkg.baseCodePath)); 12696 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 12697 afterCodeFile, pkg.splitCodePaths)); 12698 12699 // Reflect the rename in app info 12700 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 12701 pkg.setApplicationInfoCodePath(pkg.codePath); 12702 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 12703 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 12704 pkg.setApplicationInfoResourcePath(pkg.codePath); 12705 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 12706 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 12707 12708 return true; 12709 } 12710 12711 private void setMountPath(String mountPath) { 12712 final File mountFile = new File(mountPath); 12713 12714 final File monolithicFile = new File(mountFile, RES_FILE_NAME); 12715 if (monolithicFile.exists()) { 12716 packagePath = monolithicFile.getAbsolutePath(); 12717 if (isFwdLocked()) { 12718 resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath(); 12719 } else { 12720 resourcePath = packagePath; 12721 } 12722 } else { 12723 packagePath = mountFile.getAbsolutePath(); 12724 resourcePath = packagePath; 12725 } 12726 } 12727 12728 int doPostInstall(int status, int uid) { 12729 if (status != PackageManager.INSTALL_SUCCEEDED) { 12730 cleanUp(); 12731 } else { 12732 final int groupOwner; 12733 final String protectedFile; 12734 if (isFwdLocked()) { 12735 groupOwner = UserHandle.getSharedAppGid(uid); 12736 protectedFile = RES_FILE_NAME; 12737 } else { 12738 groupOwner = -1; 12739 protectedFile = null; 12740 } 12741 12742 if (uid < Process.FIRST_APPLICATION_UID 12743 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 12744 Slog.e(TAG, "Failed to finalize " + cid); 12745 PackageHelper.destroySdDir(cid); 12746 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 12747 } 12748 12749 boolean mounted = PackageHelper.isContainerMounted(cid); 12750 if (!mounted) { 12751 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 12752 } 12753 } 12754 return status; 12755 } 12756 12757 private void cleanUp() { 12758 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 12759 12760 // Destroy secure container 12761 PackageHelper.destroySdDir(cid); 12762 } 12763 12764 private List<String> getAllCodePaths() { 12765 final File codeFile = new File(getCodePath()); 12766 if (codeFile != null && codeFile.exists()) { 12767 try { 12768 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 12769 return pkg.getAllCodePaths(); 12770 } catch (PackageParserException e) { 12771 // Ignored; we tried our best 12772 } 12773 } 12774 return Collections.EMPTY_LIST; 12775 } 12776 12777 void cleanUpResourcesLI() { 12778 // Enumerate all code paths before deleting 12779 cleanUpResourcesLI(getAllCodePaths()); 12780 } 12781 12782 private void cleanUpResourcesLI(List<String> allCodePaths) { 12783 cleanUp(); 12784 removeDexFiles(allCodePaths, instructionSets); 12785 } 12786 12787 String getPackageName() { 12788 return getAsecPackageName(cid); 12789 } 12790 12791 boolean doPostDeleteLI(boolean delete) { 12792 if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete); 12793 final List<String> allCodePaths = getAllCodePaths(); 12794 boolean mounted = PackageHelper.isContainerMounted(cid); 12795 if (mounted) { 12796 // Unmount first 12797 if (PackageHelper.unMountSdDir(cid)) { 12798 mounted = false; 12799 } 12800 } 12801 if (!mounted && delete) { 12802 cleanUpResourcesLI(allCodePaths); 12803 } 12804 return !mounted; 12805 } 12806 12807 @Override 12808 int doPreCopy() { 12809 if (isFwdLocked()) { 12810 if (!PackageHelper.fixSdPermissions(cid, getPackageUid(DEFAULT_CONTAINER_PACKAGE, 12811 MATCH_SYSTEM_ONLY, UserHandle.USER_SYSTEM), RES_FILE_NAME)) { 12812 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 12813 } 12814 } 12815 12816 return PackageManager.INSTALL_SUCCEEDED; 12817 } 12818 12819 @Override 12820 int doPostCopy(int uid) { 12821 if (isFwdLocked()) { 12822 if (uid < Process.FIRST_APPLICATION_UID 12823 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 12824 RES_FILE_NAME)) { 12825 Slog.e(TAG, "Failed to finalize " + cid); 12826 PackageHelper.destroySdDir(cid); 12827 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 12828 } 12829 } 12830 12831 return PackageManager.INSTALL_SUCCEEDED; 12832 } 12833 } 12834 12835 /** 12836 * Logic to handle movement of existing installed applications. 12837 */ 12838 class MoveInstallArgs extends InstallArgs { 12839 private File codeFile; 12840 private File resourceFile; 12841 12842 /** New install */ 12843 MoveInstallArgs(InstallParams params) { 12844 super(params.origin, params.move, params.observer, params.installFlags, 12845 params.installerPackageName, params.volumeUuid, 12846 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 12847 params.grantedRuntimePermissions, 12848 params.traceMethod, params.traceCookie); 12849 } 12850 12851 int copyApk(IMediaContainerService imcs, boolean temp) { 12852 if (DEBUG_INSTALL) Slog.d(TAG, "Moving " + move.packageName + " from " 12853 + move.fromUuid + " to " + move.toUuid); 12854 synchronized (mInstaller) { 12855 try { 12856 mInstaller.moveCompleteApp(move.fromUuid, move.toUuid, move.packageName, 12857 move.dataAppName, move.appId, move.seinfo, move.targetSdkVersion); 12858 } catch (InstallerException e) { 12859 Slog.w(TAG, "Failed to move app", e); 12860 return PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 12861 } 12862 } 12863 12864 codeFile = new File(Environment.getDataAppDirectory(move.toUuid), move.dataAppName); 12865 resourceFile = codeFile; 12866 if (DEBUG_INSTALL) Slog.d(TAG, "codeFile after move is " + codeFile); 12867 12868 return PackageManager.INSTALL_SUCCEEDED; 12869 } 12870 12871 int doPreInstall(int status) { 12872 if (status != PackageManager.INSTALL_SUCCEEDED) { 12873 cleanUp(move.toUuid); 12874 } 12875 return status; 12876 } 12877 12878 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 12879 if (status != PackageManager.INSTALL_SUCCEEDED) { 12880 cleanUp(move.toUuid); 12881 return false; 12882 } 12883 12884 // Reflect the move in app info 12885 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 12886 pkg.setApplicationInfoCodePath(pkg.codePath); 12887 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 12888 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 12889 pkg.setApplicationInfoResourcePath(pkg.codePath); 12890 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 12891 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 12892 12893 return true; 12894 } 12895 12896 int doPostInstall(int status, int uid) { 12897 if (status == PackageManager.INSTALL_SUCCEEDED) { 12898 cleanUp(move.fromUuid); 12899 } else { 12900 cleanUp(move.toUuid); 12901 } 12902 return status; 12903 } 12904 12905 @Override 12906 String getCodePath() { 12907 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 12908 } 12909 12910 @Override 12911 String getResourcePath() { 12912 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 12913 } 12914 12915 private boolean cleanUp(String volumeUuid) { 12916 final File codeFile = new File(Environment.getDataAppDirectory(volumeUuid), 12917 move.dataAppName); 12918 Slog.d(TAG, "Cleaning up " + move.packageName + " on " + volumeUuid); 12919 synchronized (mInstallLock) { 12920 // Clean up both app data and code 12921 removeDataDirsLI(volumeUuid, move.packageName); 12922 removeCodePathLI(codeFile); 12923 } 12924 return true; 12925 } 12926 12927 void cleanUpResourcesLI() { 12928 throw new UnsupportedOperationException(); 12929 } 12930 12931 boolean doPostDeleteLI(boolean delete) { 12932 throw new UnsupportedOperationException(); 12933 } 12934 } 12935 12936 static String getAsecPackageName(String packageCid) { 12937 int idx = packageCid.lastIndexOf("-"); 12938 if (idx == -1) { 12939 return packageCid; 12940 } 12941 return packageCid.substring(0, idx); 12942 } 12943 12944 // Utility method used to create code paths based on package name and available index. 12945 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 12946 String idxStr = ""; 12947 int idx = 1; 12948 // Fall back to default value of idx=1 if prefix is not 12949 // part of oldCodePath 12950 if (oldCodePath != null) { 12951 String subStr = oldCodePath; 12952 // Drop the suffix right away 12953 if (suffix != null && subStr.endsWith(suffix)) { 12954 subStr = subStr.substring(0, subStr.length() - suffix.length()); 12955 } 12956 // If oldCodePath already contains prefix find out the 12957 // ending index to either increment or decrement. 12958 int sidx = subStr.lastIndexOf(prefix); 12959 if (sidx != -1) { 12960 subStr = subStr.substring(sidx + prefix.length()); 12961 if (subStr != null) { 12962 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 12963 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 12964 } 12965 try { 12966 idx = Integer.parseInt(subStr); 12967 if (idx <= 1) { 12968 idx++; 12969 } else { 12970 idx--; 12971 } 12972 } catch(NumberFormatException e) { 12973 } 12974 } 12975 } 12976 } 12977 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 12978 return prefix + idxStr; 12979 } 12980 12981 private File getNextCodePath(File targetDir, String packageName) { 12982 int suffix = 1; 12983 File result; 12984 do { 12985 result = new File(targetDir, packageName + "-" + suffix); 12986 suffix++; 12987 } while (result.exists()); 12988 return result; 12989 } 12990 12991 // Utility method that returns the relative package path with respect 12992 // to the installation directory. Like say for /data/data/com.test-1.apk 12993 // string com.test-1 is returned. 12994 static String deriveCodePathName(String codePath) { 12995 if (codePath == null) { 12996 return null; 12997 } 12998 final File codeFile = new File(codePath); 12999 final String name = codeFile.getName(); 13000 if (codeFile.isDirectory()) { 13001 return name; 13002 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 13003 final int lastDot = name.lastIndexOf('.'); 13004 return name.substring(0, lastDot); 13005 } else { 13006 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 13007 return null; 13008 } 13009 } 13010 13011 static class PackageInstalledInfo { 13012 String name; 13013 int uid; 13014 // The set of users that originally had this package installed. 13015 int[] origUsers; 13016 // The set of users that now have this package installed. 13017 int[] newUsers; 13018 PackageParser.Package pkg; 13019 int returnCode; 13020 String returnMsg; 13021 PackageRemovedInfo removedInfo; 13022 ArrayMap<String, PackageInstalledInfo> addedChildPackages; 13023 13024 public void setError(int code, String msg) { 13025 setReturnCode(code); 13026 setReturnMessage(msg); 13027 Slog.w(TAG, msg); 13028 } 13029 13030 public void setError(String msg, PackageParserException e) { 13031 setReturnCode(e.error); 13032 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 13033 Slog.w(TAG, msg, e); 13034 } 13035 13036 public void setError(String msg, PackageManagerException e) { 13037 returnCode = e.error; 13038 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 13039 Slog.w(TAG, msg, e); 13040 } 13041 13042 public void setReturnCode(int returnCode) { 13043 this.returnCode = returnCode; 13044 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 13045 for (int i = 0; i < childCount; i++) { 13046 addedChildPackages.valueAt(i).returnCode = returnCode; 13047 } 13048 } 13049 13050 private void setReturnMessage(String returnMsg) { 13051 this.returnMsg = returnMsg; 13052 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 13053 for (int i = 0; i < childCount; i++) { 13054 addedChildPackages.valueAt(i).returnMsg = returnMsg; 13055 } 13056 } 13057 13058 // In some error cases we want to convey more info back to the observer 13059 String origPackage; 13060 String origPermission; 13061 } 13062 13063 /* 13064 * Install a non-existing package. 13065 */ 13066 private void installNewPackageLI(PackageParser.Package pkg, int parseFlags, int scanFlags, 13067 UserHandle user, String installerPackageName, String volumeUuid, 13068 PackageInstalledInfo res) { 13069 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installNewPackage"); 13070 13071 // Remember this for later, in case we need to rollback this install 13072 String pkgName = pkg.packageName; 13073 13074 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 13075 13076 synchronized(mPackages) { 13077 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 13078 // A package with the same name is already installed, though 13079 // it has been renamed to an older name. The package we 13080 // are trying to install should be installed as an update to 13081 // the existing one, but that has not been requested, so bail. 13082 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 13083 + " without first uninstalling package running as " 13084 + mSettings.mRenamedPackages.get(pkgName)); 13085 return; 13086 } 13087 if (mPackages.containsKey(pkgName)) { 13088 // Don't allow installation over an existing package with the same name. 13089 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 13090 + " without first uninstalling."); 13091 return; 13092 } 13093 } 13094 13095 try { 13096 PackageParser.Package newPackage = scanPackageTracedLI(pkg, parseFlags, scanFlags, 13097 System.currentTimeMillis(), user); 13098 13099 updateSettingsLI(newPackage, installerPackageName, null, res, user); 13100 13101 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 13102 prepareAppDataAfterInstall(newPackage); 13103 13104 } else { 13105 // Remove package from internal structures, but keep around any 13106 // data that might have already existed 13107 deletePackageLI(pkgName, UserHandle.ALL, false, null, 13108 PackageManager.DELETE_KEEP_DATA, res.removedInfo, true, null); 13109 } 13110 } catch (PackageManagerException e) { 13111 res.setError("Package couldn't be installed in " + pkg.codePath, e); 13112 } 13113 13114 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13115 } 13116 13117 private boolean shouldCheckUpgradeKeySetLP(PackageSetting oldPs, int scanFlags) { 13118 // Can't rotate keys during boot or if sharedUser. 13119 if (oldPs == null || (scanFlags&SCAN_INITIAL) != 0 || oldPs.sharedUser != null 13120 || !oldPs.keySetData.isUsingUpgradeKeySets()) { 13121 return false; 13122 } 13123 // app is using upgradeKeySets; make sure all are valid 13124 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13125 long[] upgradeKeySets = oldPs.keySetData.getUpgradeKeySets(); 13126 for (int i = 0; i < upgradeKeySets.length; i++) { 13127 if (!ksms.isIdValidKeySetId(upgradeKeySets[i])) { 13128 Slog.wtf(TAG, "Package " 13129 + (oldPs.name != null ? oldPs.name : "<null>") 13130 + " contains upgrade-key-set reference to unknown key-set: " 13131 + upgradeKeySets[i] 13132 + " reverting to signatures check."); 13133 return false; 13134 } 13135 } 13136 return true; 13137 } 13138 13139 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 13140 // Upgrade keysets are being used. Determine if new package has a superset of the 13141 // required keys. 13142 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 13143 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13144 for (int i = 0; i < upgradeKeySets.length; i++) { 13145 Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); 13146 if (upgradeSet != null && newPkg.mSigningKeys.containsAll(upgradeSet)) { 13147 return true; 13148 } 13149 } 13150 return false; 13151 } 13152 13153 private void replacePackageLI(PackageParser.Package pkg, int parseFlags, int scanFlags, 13154 UserHandle user, String installerPackageName, PackageInstalledInfo res) { 13155 final boolean isEphemeral = (parseFlags & PackageParser.PARSE_IS_EPHEMERAL) != 0; 13156 13157 final PackageParser.Package oldPackage; 13158 final String pkgName = pkg.packageName; 13159 final int[] allUsers; 13160 final boolean weFroze; 13161 13162 // First find the old package info and check signatures 13163 synchronized(mPackages) { 13164 oldPackage = mPackages.get(pkgName); 13165 final boolean oldIsEphemeral = oldPackage.applicationInfo.isEphemeralApp(); 13166 if (isEphemeral && !oldIsEphemeral) { 13167 // can't downgrade from full to ephemeral 13168 Slog.w(TAG, "Can't replace app with ephemeral: " + pkgName); 13169 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 13170 return; 13171 } 13172 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 13173 final PackageSetting ps = mSettings.mPackages.get(pkgName); 13174 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 13175 if (!checkUpgradeKeySetLP(ps, pkg)) { 13176 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 13177 "New package not signed by keys specified by upgrade-keysets: " 13178 + pkgName); 13179 return; 13180 } 13181 } else { 13182 // default to original signature matching 13183 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 13184 != PackageManager.SIGNATURE_MATCH) { 13185 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 13186 "New package has a different signature: " + pkgName); 13187 return; 13188 } 13189 } 13190 13191 // In case of rollback, remember per-user/profile install state 13192 allUsers = sUserManager.getUserIds(); 13193 13194 // Mark the app as frozen to prevent launching during the upgrade 13195 // process, and then kill all running instances 13196 if (!ps.frozen) { 13197 ps.frozen = true; 13198 weFroze = true; 13199 } else { 13200 weFroze = false; 13201 } 13202 } 13203 13204 try { 13205 replacePackageDirtyLI(pkg, oldPackage, parseFlags, scanFlags, user, allUsers, 13206 installerPackageName, res); 13207 } finally { 13208 // Regardless of success or failure of upgrade steps above, always 13209 // unfreeze the package if we froze it 13210 if (weFroze) { 13211 unfreezePackage(pkgName); 13212 } 13213 } 13214 } 13215 13216 private void replacePackageDirtyLI(PackageParser.Package pkg, PackageParser.Package oldPackage, 13217 int parseFlags, int scanFlags, UserHandle user, int[] allUsers, 13218 String installerPackageName, PackageInstalledInfo res) { 13219 // Update what is removed 13220 res.removedInfo = new PackageRemovedInfo(); 13221 res.removedInfo.uid = oldPackage.applicationInfo.uid; 13222 res.removedInfo.removedPackage = oldPackage.packageName; 13223 res.removedInfo.isUpdate = true; 13224 final int childCount = (oldPackage.childPackages != null) 13225 ? oldPackage.childPackages.size() : 0; 13226 for (int i = 0; i < childCount; i++) { 13227 boolean childPackageUpdated = false; 13228 PackageParser.Package childPkg = oldPackage.childPackages.get(i); 13229 if (res.addedChildPackages != null) { 13230 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 13231 if (childRes != null) { 13232 childRes.removedInfo.uid = childPkg.applicationInfo.uid; 13233 childRes.removedInfo.removedPackage = childPkg.packageName; 13234 childRes.removedInfo.isUpdate = true; 13235 childPackageUpdated = true; 13236 } 13237 } 13238 if (!childPackageUpdated) { 13239 PackageRemovedInfo childRemovedRes = new PackageRemovedInfo(); 13240 childRemovedRes.removedPackage = childPkg.packageName; 13241 childRemovedRes.isUpdate = false; 13242 childRemovedRes.dataRemoved = true; 13243 synchronized (mPackages) { 13244 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 13245 if (childPs != null) { 13246 childRemovedRes.origUsers = childPs.queryInstalledUsers(allUsers, true); 13247 } 13248 } 13249 if (res.removedInfo.removedChildPackages == null) { 13250 res.removedInfo.removedChildPackages = new ArrayMap<>(); 13251 } 13252 res.removedInfo.removedChildPackages.put(childPkg.packageName, childRemovedRes); 13253 } 13254 } 13255 13256 boolean sysPkg = (isSystemApp(oldPackage)); 13257 if (sysPkg) { 13258 replaceSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags, 13259 user, allUsers, installerPackageName, res); 13260 } else { 13261 replaceNonSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags, 13262 user, allUsers, installerPackageName, res); 13263 } 13264 } 13265 13266 public List<String> getPreviousCodePaths(String packageName) { 13267 final PackageSetting ps = mSettings.mPackages.get(packageName); 13268 final List<String> result = new ArrayList<String>(); 13269 if (ps != null && ps.oldCodePaths != null) { 13270 result.addAll(ps.oldCodePaths); 13271 } 13272 return result; 13273 } 13274 13275 private void replaceNonSystemPackageLI(PackageParser.Package deletedPackage, 13276 PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user, 13277 int[] allUsers, String installerPackageName, PackageInstalledInfo res) { 13278 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 13279 + deletedPackage); 13280 13281 String pkgName = deletedPackage.packageName; 13282 boolean deletedPkg = true; 13283 boolean addedPkg = false; 13284 boolean updatedSettings = false; 13285 final boolean killApp = (scanFlags & SCAN_DONT_KILL_APP) == 0; 13286 final int deleteFlags = PackageManager.DELETE_KEEP_DATA 13287 | (killApp ? 0 : PackageManager.DELETE_DONT_KILL_APP); 13288 13289 final long origUpdateTime = (pkg.mExtras != null) 13290 ? ((PackageSetting)pkg.mExtras).lastUpdateTime : 0; 13291 13292 // First delete the existing package while retaining the data directory 13293 if (!deletePackageLI(pkgName, null, true, allUsers, deleteFlags, 13294 res.removedInfo, true, pkg)) { 13295 // If the existing package wasn't successfully deleted 13296 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 13297 deletedPkg = false; 13298 } else { 13299 // Successfully deleted the old package; proceed with replace. 13300 13301 // If deleted package lived in a container, give users a chance to 13302 // relinquish resources before killing. 13303 if (deletedPackage.isForwardLocked() || isExternal(deletedPackage)) { 13304 if (DEBUG_INSTALL) { 13305 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 13306 } 13307 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 13308 final ArrayList<String> pkgList = new ArrayList<String>(1); 13309 pkgList.add(deletedPackage.applicationInfo.packageName); 13310 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 13311 } 13312 13313 deleteCodeCacheDirsLI(pkg); 13314 deleteProfilesLI(pkg, /*destroy*/ false); 13315 13316 try { 13317 final PackageParser.Package newPackage = scanPackageTracedLI(pkg, parseFlags, 13318 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 13319 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user); 13320 13321 // Update the in-memory copy of the previous code paths. 13322 PackageSetting ps = mSettings.mPackages.get(pkgName); 13323 if (!killApp) { 13324 if (ps.oldCodePaths == null) { 13325 ps.oldCodePaths = new ArraySet<>(); 13326 } 13327 Collections.addAll(ps.oldCodePaths, deletedPackage.baseCodePath); 13328 if (deletedPackage.splitCodePaths != null) { 13329 Collections.addAll(ps.oldCodePaths, deletedPackage.splitCodePaths); 13330 } 13331 } else { 13332 ps.oldCodePaths = null; 13333 } 13334 if (ps.childPackageNames != null) { 13335 for (int i = ps.childPackageNames.size() - 1; i >= 0; --i) { 13336 final String childPkgName = ps.childPackageNames.get(i); 13337 final PackageSetting childPs = mSettings.mPackages.get(childPkgName); 13338 childPs.oldCodePaths = ps.oldCodePaths; 13339 } 13340 } 13341 prepareAppDataAfterInstall(newPackage); 13342 addedPkg = true; 13343 } catch (PackageManagerException e) { 13344 res.setError("Package couldn't be installed in " + pkg.codePath, e); 13345 } 13346 } 13347 13348 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 13349 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 13350 13351 // Revert all internal state mutations and added folders for the failed install 13352 if (addedPkg) { 13353 deletePackageLI(pkgName, null, true, allUsers, deleteFlags, 13354 res.removedInfo, true, null); 13355 } 13356 13357 // Restore the old package 13358 if (deletedPkg) { 13359 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 13360 File restoreFile = new File(deletedPackage.codePath); 13361 // Parse old package 13362 boolean oldExternal = isExternal(deletedPackage); 13363 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 13364 (deletedPackage.isForwardLocked() ? PackageParser.PARSE_FORWARD_LOCK : 0) | 13365 (oldExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0); 13366 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 13367 try { 13368 scanPackageTracedLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, 13369 null); 13370 } catch (PackageManagerException e) { 13371 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 13372 + e.getMessage()); 13373 return; 13374 } 13375 13376 synchronized (mPackages) { 13377 // Ensure the installer package name up to date 13378 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 13379 13380 // Update permissions for restored package 13381 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 13382 13383 mSettings.writeLPr(); 13384 } 13385 13386 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 13387 } 13388 } else { 13389 synchronized (mPackages) { 13390 PackageSetting ps = mSettings.peekPackageLPr(pkg.packageName); 13391 if (ps != null) { 13392 res.removedInfo.removedForAllUsers = mPackages.get(ps.name) == null; 13393 if (res.removedInfo.removedChildPackages != null) { 13394 final int childCount = res.removedInfo.removedChildPackages.size(); 13395 // Iterate in reverse as we may modify the collection 13396 for (int i = childCount - 1; i >= 0; i--) { 13397 String childPackageName = res.removedInfo.removedChildPackages.keyAt(i); 13398 if (res.addedChildPackages.containsKey(childPackageName)) { 13399 res.removedInfo.removedChildPackages.removeAt(i); 13400 } else { 13401 PackageRemovedInfo childInfo = res.removedInfo 13402 .removedChildPackages.valueAt(i); 13403 childInfo.removedForAllUsers = mPackages.get( 13404 childInfo.removedPackage) == null; 13405 } 13406 } 13407 } 13408 } 13409 } 13410 } 13411 } 13412 13413 private void replaceSystemPackageLI(PackageParser.Package deletedPackage, 13414 PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user, 13415 int[] allUsers, String installerPackageName, PackageInstalledInfo res) { 13416 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 13417 + ", old=" + deletedPackage); 13418 13419 final boolean disabledSystem; 13420 13421 // Set the system/privileged flags as needed 13422 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 13423 if ((deletedPackage.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) 13424 != 0) { 13425 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 13426 } 13427 13428 // Kill package processes including services, providers, etc. 13429 killPackage(deletedPackage, "replace sys pkg"); 13430 13431 // Remove existing system package 13432 removePackageLI(deletedPackage, true); 13433 13434 disabledSystem = disableSystemPackageLPw(deletedPackage, pkg); 13435 if (!disabledSystem) { 13436 // We didn't need to disable the .apk as a current system package, 13437 // which means we are replacing another update that is already 13438 // installed. We need to make sure to delete the older one's .apk. 13439 res.removedInfo.args = createInstallArgsForExisting(0, 13440 deletedPackage.applicationInfo.getCodePath(), 13441 deletedPackage.applicationInfo.getResourcePath(), 13442 getAppDexInstructionSets(deletedPackage.applicationInfo)); 13443 } else { 13444 res.removedInfo.args = null; 13445 } 13446 13447 // Successfully disabled the old package. Now proceed with re-installation 13448 deleteCodeCacheDirsLI(pkg); 13449 deleteProfilesLI(pkg, /*destroy*/ false); 13450 13451 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 13452 pkg.setApplicationInfoFlags(ApplicationInfo.FLAG_UPDATED_SYSTEM_APP, 13453 ApplicationInfo.FLAG_UPDATED_SYSTEM_APP); 13454 13455 PackageParser.Package newPackage = null; 13456 try { 13457 // Add the package to the internal data structures 13458 newPackage = scanPackageTracedLI(pkg, parseFlags, scanFlags, 0, user); 13459 13460 // Set the update and install times 13461 PackageSetting deletedPkgSetting = (PackageSetting) deletedPackage.mExtras; 13462 setInstallAndUpdateTime(newPackage, deletedPkgSetting.firstInstallTime, 13463 System.currentTimeMillis()); 13464 13465 // Check for shared user id changes 13466 String invalidPackageName = getParentOrChildPackageChangedSharedUser( 13467 deletedPackage, newPackage); 13468 if (invalidPackageName != null) { 13469 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 13470 "Forbidding shared user change from " + deletedPkgSetting.sharedUser 13471 + " to " + invalidPackageName); 13472 } 13473 13474 // Update the package dynamic state if succeeded 13475 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 13476 // Now that the install succeeded make sure we remove data 13477 // directories for any child package the update removed. 13478 final int deletedChildCount = (deletedPackage.childPackages != null) 13479 ? deletedPackage.childPackages.size() : 0; 13480 final int newChildCount = (newPackage.childPackages != null) 13481 ? newPackage.childPackages.size() : 0; 13482 for (int i = 0; i < deletedChildCount; i++) { 13483 PackageParser.Package deletedChildPkg = deletedPackage.childPackages.get(i); 13484 boolean childPackageDeleted = true; 13485 for (int j = 0; j < newChildCount; j++) { 13486 PackageParser.Package newChildPkg = newPackage.childPackages.get(j); 13487 if (deletedChildPkg.packageName.equals(newChildPkg.packageName)) { 13488 childPackageDeleted = false; 13489 break; 13490 } 13491 } 13492 if (childPackageDeleted) { 13493 PackageSetting ps = mSettings.getDisabledSystemPkgLPr( 13494 deletedChildPkg.packageName); 13495 if (ps != null && res.removedInfo.removedChildPackages != null) { 13496 PackageRemovedInfo removedChildRes = res.removedInfo 13497 .removedChildPackages.get(deletedChildPkg.packageName); 13498 removePackageDataLI(ps, allUsers, removedChildRes, 0, false); 13499 removedChildRes.removedForAllUsers = mPackages.get(ps.name) == null; 13500 } 13501 } 13502 } 13503 13504 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user); 13505 prepareAppDataAfterInstall(newPackage); 13506 } 13507 } catch (PackageManagerException e) { 13508 res.setReturnCode(INSTALL_FAILED_INTERNAL_ERROR); 13509 res.setError("Package couldn't be installed in " + pkg.codePath, e); 13510 } 13511 13512 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 13513 // Re installation failed. Restore old information 13514 // Remove new pkg information 13515 if (newPackage != null) { 13516 removeInstalledPackageLI(newPackage, true); 13517 } 13518 // Add back the old system package 13519 try { 13520 scanPackageTracedLI(deletedPackage, parseFlags, SCAN_UPDATE_SIGNATURE, 0, user); 13521 } catch (PackageManagerException e) { 13522 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 13523 } 13524 13525 synchronized (mPackages) { 13526 if (disabledSystem) { 13527 enableSystemPackageLPw(deletedPackage); 13528 } 13529 13530 // Ensure the installer package name up to date 13531 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 13532 13533 // Update permissions for restored package 13534 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 13535 13536 mSettings.writeLPr(); 13537 } 13538 13539 Slog.i(TAG, "Successfully restored package : " + deletedPackage.packageName 13540 + " after failed upgrade"); 13541 } 13542 } 13543 13544 /** 13545 * Checks whether the parent or any of the child packages have a change shared 13546 * user. For a package to be a valid update the shred users of the parent and 13547 * the children should match. We may later support changing child shared users. 13548 * @param oldPkg The updated package. 13549 * @param newPkg The update package. 13550 * @return The shared user that change between the versions. 13551 */ 13552 private String getParentOrChildPackageChangedSharedUser(PackageParser.Package oldPkg, 13553 PackageParser.Package newPkg) { 13554 // Check parent shared user 13555 if (!Objects.equals(oldPkg.mSharedUserId, newPkg.mSharedUserId)) { 13556 return newPkg.packageName; 13557 } 13558 // Check child shared users 13559 final int oldChildCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 13560 final int newChildCount = (newPkg.childPackages != null) ? newPkg.childPackages.size() : 0; 13561 for (int i = 0; i < newChildCount; i++) { 13562 PackageParser.Package newChildPkg = newPkg.childPackages.get(i); 13563 // If this child was present, did it have the same shared user? 13564 for (int j = 0; j < oldChildCount; j++) { 13565 PackageParser.Package oldChildPkg = oldPkg.childPackages.get(j); 13566 if (newChildPkg.packageName.equals(oldChildPkg.packageName) 13567 && !Objects.equals(newChildPkg.mSharedUserId, oldChildPkg.mSharedUserId)) { 13568 return newChildPkg.packageName; 13569 } 13570 } 13571 } 13572 return null; 13573 } 13574 13575 private void removeNativeBinariesLI(PackageSetting ps) { 13576 // Remove the lib path for the parent package 13577 if (ps != null) { 13578 NativeLibraryHelper.removeNativeBinariesLI(ps.legacyNativeLibraryPathString); 13579 // Remove the lib path for the child packages 13580 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 13581 for (int i = 0; i < childCount; i++) { 13582 PackageSetting childPs = null; 13583 synchronized (mPackages) { 13584 childPs = mSettings.peekPackageLPr(ps.childPackageNames.get(i)); 13585 } 13586 if (childPs != null) { 13587 NativeLibraryHelper.removeNativeBinariesLI(childPs 13588 .legacyNativeLibraryPathString); 13589 } 13590 } 13591 } 13592 } 13593 13594 private void enableSystemPackageLPw(PackageParser.Package pkg) { 13595 // Enable the parent package 13596 mSettings.enableSystemPackageLPw(pkg.packageName); 13597 // Enable the child packages 13598 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 13599 for (int i = 0; i < childCount; i++) { 13600 PackageParser.Package childPkg = pkg.childPackages.get(i); 13601 mSettings.enableSystemPackageLPw(childPkg.packageName); 13602 } 13603 } 13604 13605 private boolean disableSystemPackageLPw(PackageParser.Package oldPkg, 13606 PackageParser.Package newPkg) { 13607 // Disable the parent package (parent always replaced) 13608 boolean disabled = mSettings.disableSystemPackageLPw(oldPkg.packageName, true); 13609 // Disable the child packages 13610 final int childCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 13611 for (int i = 0; i < childCount; i++) { 13612 PackageParser.Package childPkg = oldPkg.childPackages.get(i); 13613 final boolean replace = newPkg.hasChildPackage(childPkg.packageName); 13614 disabled |= mSettings.disableSystemPackageLPw(childPkg.packageName, replace); 13615 } 13616 return disabled; 13617 } 13618 13619 private void setInstallerPackageNameLPw(PackageParser.Package pkg, 13620 String installerPackageName) { 13621 // Enable the parent package 13622 mSettings.setInstallerPackageName(pkg.packageName, installerPackageName); 13623 // Enable the child packages 13624 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 13625 for (int i = 0; i < childCount; i++) { 13626 PackageParser.Package childPkg = pkg.childPackages.get(i); 13627 mSettings.setInstallerPackageName(childPkg.packageName, installerPackageName); 13628 } 13629 } 13630 13631 private int[] revokeUnusedSharedUserPermissionsLPw(SharedUserSetting su, int[] allUserIds) { 13632 // Collect all used permissions in the UID 13633 ArraySet<String> usedPermissions = new ArraySet<>(); 13634 final int packageCount = su.packages.size(); 13635 for (int i = 0; i < packageCount; i++) { 13636 PackageSetting ps = su.packages.valueAt(i); 13637 if (ps.pkg == null) { 13638 continue; 13639 } 13640 final int requestedPermCount = ps.pkg.requestedPermissions.size(); 13641 for (int j = 0; j < requestedPermCount; j++) { 13642 String permission = ps.pkg.requestedPermissions.get(j); 13643 BasePermission bp = mSettings.mPermissions.get(permission); 13644 if (bp != null) { 13645 usedPermissions.add(permission); 13646 } 13647 } 13648 } 13649 13650 PermissionsState permissionsState = su.getPermissionsState(); 13651 // Prune install permissions 13652 List<PermissionState> installPermStates = permissionsState.getInstallPermissionStates(); 13653 final int installPermCount = installPermStates.size(); 13654 for (int i = installPermCount - 1; i >= 0; i--) { 13655 PermissionState permissionState = installPermStates.get(i); 13656 if (!usedPermissions.contains(permissionState.getName())) { 13657 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 13658 if (bp != null) { 13659 permissionsState.revokeInstallPermission(bp); 13660 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 13661 PackageManager.MASK_PERMISSION_FLAGS, 0); 13662 } 13663 } 13664 } 13665 13666 int[] runtimePermissionChangedUserIds = EmptyArray.INT; 13667 13668 // Prune runtime permissions 13669 for (int userId : allUserIds) { 13670 List<PermissionState> runtimePermStates = permissionsState 13671 .getRuntimePermissionStates(userId); 13672 final int runtimePermCount = runtimePermStates.size(); 13673 for (int i = runtimePermCount - 1; i >= 0; i--) { 13674 PermissionState permissionState = runtimePermStates.get(i); 13675 if (!usedPermissions.contains(permissionState.getName())) { 13676 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 13677 if (bp != null) { 13678 permissionsState.revokeRuntimePermission(bp, userId); 13679 permissionsState.updatePermissionFlags(bp, userId, 13680 PackageManager.MASK_PERMISSION_FLAGS, 0); 13681 runtimePermissionChangedUserIds = ArrayUtils.appendInt( 13682 runtimePermissionChangedUserIds, userId); 13683 } 13684 } 13685 } 13686 } 13687 13688 return runtimePermissionChangedUserIds; 13689 } 13690 13691 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 13692 int[] allUsers, PackageInstalledInfo res, UserHandle user) { 13693 // Update the parent package setting 13694 updateSettingsInternalLI(newPackage, installerPackageName, allUsers, res.origUsers, 13695 res, user); 13696 // Update the child packages setting 13697 final int childCount = (newPackage.childPackages != null) 13698 ? newPackage.childPackages.size() : 0; 13699 for (int i = 0; i < childCount; i++) { 13700 PackageParser.Package childPackage = newPackage.childPackages.get(i); 13701 PackageInstalledInfo childRes = res.addedChildPackages.get(childPackage.packageName); 13702 updateSettingsInternalLI(childPackage, installerPackageName, allUsers, 13703 childRes.origUsers, childRes, user); 13704 } 13705 } 13706 13707 private void updateSettingsInternalLI(PackageParser.Package newPackage, 13708 String installerPackageName, int[] allUsers, int[] installedForUsers, 13709 PackageInstalledInfo res, UserHandle user) { 13710 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 13711 13712 String pkgName = newPackage.packageName; 13713 synchronized (mPackages) { 13714 //write settings. the installStatus will be incomplete at this stage. 13715 //note that the new package setting would have already been 13716 //added to mPackages. It hasn't been persisted yet. 13717 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 13718 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 13719 mSettings.writeLPr(); 13720 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13721 } 13722 13723 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 13724 synchronized (mPackages) { 13725 updatePermissionsLPw(newPackage.packageName, newPackage, 13726 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 13727 ? UPDATE_PERMISSIONS_ALL : 0)); 13728 // For system-bundled packages, we assume that installing an upgraded version 13729 // of the package implies that the user actually wants to run that new code, 13730 // so we enable the package. 13731 PackageSetting ps = mSettings.mPackages.get(pkgName); 13732 final int userId = user.getIdentifier(); 13733 if (ps != null) { 13734 if (isSystemApp(newPackage)) { 13735 if (DEBUG_INSTALL) { 13736 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 13737 } 13738 // Enable system package for requested users 13739 if (res.origUsers != null) { 13740 for (int origUserId : res.origUsers) { 13741 if (userId == UserHandle.USER_ALL || userId == origUserId) { 13742 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 13743 origUserId, installerPackageName); 13744 } 13745 } 13746 } 13747 // Also convey the prior install/uninstall state 13748 if (allUsers != null && installedForUsers != null) { 13749 for (int currentUserId : allUsers) { 13750 final boolean installed = ArrayUtils.contains( 13751 installedForUsers, currentUserId); 13752 if (DEBUG_INSTALL) { 13753 Slog.d(TAG, " user " + currentUserId + " => " + installed); 13754 } 13755 ps.setInstalled(installed, currentUserId); 13756 } 13757 // these install state changes will be persisted in the 13758 // upcoming call to mSettings.writeLPr(). 13759 } 13760 } 13761 // It's implied that when a user requests installation, they want the app to be 13762 // installed and enabled. 13763 if (userId != UserHandle.USER_ALL) { 13764 ps.setInstalled(true, userId); 13765 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, userId, installerPackageName); 13766 } 13767 } 13768 res.name = pkgName; 13769 res.uid = newPackage.applicationInfo.uid; 13770 res.pkg = newPackage; 13771 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 13772 mSettings.setInstallerPackageName(pkgName, installerPackageName); 13773 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 13774 //to update install status 13775 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 13776 mSettings.writeLPr(); 13777 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13778 } 13779 13780 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13781 } 13782 13783 private void installPackageTracedLI(InstallArgs args, PackageInstalledInfo res) { 13784 try { 13785 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installPackage"); 13786 installPackageLI(args, res); 13787 } finally { 13788 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13789 } 13790 } 13791 13792 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 13793 final int installFlags = args.installFlags; 13794 final String installerPackageName = args.installerPackageName; 13795 final String volumeUuid = args.volumeUuid; 13796 final File tmpPackageFile = new File(args.getCodePath()); 13797 final boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 13798 final boolean onExternal = (((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) 13799 || (args.volumeUuid != null)); 13800 final boolean ephemeral = ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0); 13801 boolean replace = false; 13802 int scanFlags = SCAN_NEW_INSTALL | SCAN_UPDATE_SIGNATURE; 13803 if (args.move != null) { 13804 // moving a complete application; perform an initial scan on the new install location 13805 scanFlags |= SCAN_INITIAL; 13806 } 13807 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 13808 scanFlags |= SCAN_DONT_KILL_APP; 13809 } 13810 13811 // Result object to be returned 13812 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 13813 13814 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 13815 13816 // Sanity check 13817 if (ephemeral && (forwardLocked || onExternal)) { 13818 Slog.i(TAG, "Incompatible ephemeral install; fwdLocked=" + forwardLocked 13819 + " external=" + onExternal); 13820 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 13821 return; 13822 } 13823 13824 // Retrieve PackageSettings and parse package 13825 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 13826 | PackageParser.PARSE_ENFORCE_CODE 13827 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 13828 | (onExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0) 13829 | (ephemeral ? PackageParser.PARSE_IS_EPHEMERAL : 0); 13830 PackageParser pp = new PackageParser(); 13831 pp.setSeparateProcesses(mSeparateProcesses); 13832 pp.setDisplayMetrics(mMetrics); 13833 13834 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 13835 final PackageParser.Package pkg; 13836 try { 13837 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 13838 } catch (PackageParserException e) { 13839 res.setError("Failed parse during installPackageLI", e); 13840 return; 13841 } finally { 13842 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13843 } 13844 13845 // If we are installing a clustered package add results for the children 13846 if (pkg.childPackages != null) { 13847 synchronized (mPackages) { 13848 final int childCount = pkg.childPackages.size(); 13849 for (int i = 0; i < childCount; i++) { 13850 PackageParser.Package childPkg = pkg.childPackages.get(i); 13851 PackageInstalledInfo childRes = new PackageInstalledInfo(); 13852 childRes.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 13853 childRes.pkg = childPkg; 13854 childRes.name = childPkg.packageName; 13855 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 13856 if (childPs != null) { 13857 childRes.origUsers = childPs.queryInstalledUsers( 13858 sUserManager.getUserIds(), true); 13859 } 13860 if ((mPackages.containsKey(childPkg.packageName))) { 13861 childRes.removedInfo = new PackageRemovedInfo(); 13862 childRes.removedInfo.removedPackage = childPkg.packageName; 13863 } 13864 if (res.addedChildPackages == null) { 13865 res.addedChildPackages = new ArrayMap<>(); 13866 } 13867 res.addedChildPackages.put(childPkg.packageName, childRes); 13868 } 13869 } 13870 } 13871 13872 // If package doesn't declare API override, mark that we have an install 13873 // time CPU ABI override. 13874 if (TextUtils.isEmpty(pkg.cpuAbiOverride)) { 13875 pkg.cpuAbiOverride = args.abiOverride; 13876 } 13877 13878 String pkgName = res.name = pkg.packageName; 13879 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 13880 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 13881 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 13882 return; 13883 } 13884 } 13885 13886 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "collectCertificates"); 13887 try { 13888 PackageParser.collectCertificates(pkg, parseFlags); 13889 } catch (PackageParserException e) { 13890 res.setError("Failed collect during installPackageLI", e); 13891 return; 13892 } finally { 13893 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13894 } 13895 13896 // Get rid of all references to package scan path via parser. 13897 pp = null; 13898 String oldCodePath = null; 13899 boolean systemApp = false; 13900 synchronized (mPackages) { 13901 // Check if installing already existing package 13902 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 13903 String oldName = mSettings.mRenamedPackages.get(pkgName); 13904 if (pkg.mOriginalPackages != null 13905 && pkg.mOriginalPackages.contains(oldName) 13906 && mPackages.containsKey(oldName)) { 13907 // This package is derived from an original package, 13908 // and this device has been updating from that original 13909 // name. We must continue using the original name, so 13910 // rename the new package here. 13911 pkg.setPackageName(oldName); 13912 pkgName = pkg.packageName; 13913 replace = true; 13914 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 13915 + oldName + " pkgName=" + pkgName); 13916 } else if (mPackages.containsKey(pkgName)) { 13917 // This package, under its official name, already exists 13918 // on the device; we should replace it. 13919 replace = true; 13920 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 13921 } 13922 13923 // Child packages are installed through the parent package 13924 if (pkg.parentPackage != null) { 13925 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 13926 "Package " + pkg.packageName + " is child of package " 13927 + pkg.parentPackage.parentPackage + ". Child packages " 13928 + "can be updated only through the parent package."); 13929 return; 13930 } 13931 13932 if (replace) { 13933 // Prevent apps opting out from runtime permissions 13934 PackageParser.Package oldPackage = mPackages.get(pkgName); 13935 final int oldTargetSdk = oldPackage.applicationInfo.targetSdkVersion; 13936 final int newTargetSdk = pkg.applicationInfo.targetSdkVersion; 13937 if (oldTargetSdk > Build.VERSION_CODES.LOLLIPOP_MR1 13938 && newTargetSdk <= Build.VERSION_CODES.LOLLIPOP_MR1) { 13939 res.setError(PackageManager.INSTALL_FAILED_PERMISSION_MODEL_DOWNGRADE, 13940 "Package " + pkg.packageName + " new target SDK " + newTargetSdk 13941 + " doesn't support runtime permissions but the old" 13942 + " target SDK " + oldTargetSdk + " does."); 13943 return; 13944 } 13945 13946 // Prevent installing of child packages 13947 if (oldPackage.parentPackage != null) { 13948 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 13949 "Package " + pkg.packageName + " is child of package " 13950 + oldPackage.parentPackage + ". Child packages " 13951 + "can be updated only through the parent package."); 13952 return; 13953 } 13954 } 13955 } 13956 13957 PackageSetting ps = mSettings.mPackages.get(pkgName); 13958 if (ps != null) { 13959 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 13960 13961 // Quick sanity check that we're signed correctly if updating; 13962 // we'll check this again later when scanning, but we want to 13963 // bail early here before tripping over redefined permissions. 13964 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 13965 if (!checkUpgradeKeySetLP(ps, pkg)) { 13966 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 13967 + pkg.packageName + " upgrade keys do not match the " 13968 + "previously installed version"); 13969 return; 13970 } 13971 } else { 13972 try { 13973 verifySignaturesLP(ps, pkg); 13974 } catch (PackageManagerException e) { 13975 res.setError(e.error, e.getMessage()); 13976 return; 13977 } 13978 } 13979 13980 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 13981 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 13982 systemApp = (ps.pkg.applicationInfo.flags & 13983 ApplicationInfo.FLAG_SYSTEM) != 0; 13984 } 13985 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 13986 } 13987 13988 // Check whether the newly-scanned package wants to define an already-defined perm 13989 int N = pkg.permissions.size(); 13990 for (int i = N-1; i >= 0; i--) { 13991 PackageParser.Permission perm = pkg.permissions.get(i); 13992 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 13993 if (bp != null) { 13994 // If the defining package is signed with our cert, it's okay. This 13995 // also includes the "updating the same package" case, of course. 13996 // "updating same package" could also involve key-rotation. 13997 final boolean sigsOk; 13998 if (bp.sourcePackage.equals(pkg.packageName) 13999 && (bp.packageSetting instanceof PackageSetting) 14000 && (shouldCheckUpgradeKeySetLP((PackageSetting) bp.packageSetting, 14001 scanFlags))) { 14002 sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg); 14003 } else { 14004 sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures, 14005 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 14006 } 14007 if (!sigsOk) { 14008 // If the owning package is the system itself, we log but allow 14009 // install to proceed; we fail the install on all other permission 14010 // redefinitions. 14011 if (!bp.sourcePackage.equals("android")) { 14012 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 14013 + pkg.packageName + " attempting to redeclare permission " 14014 + perm.info.name + " already owned by " + bp.sourcePackage); 14015 res.origPermission = perm.info.name; 14016 res.origPackage = bp.sourcePackage; 14017 return; 14018 } else { 14019 Slog.w(TAG, "Package " + pkg.packageName 14020 + " attempting to redeclare system permission " 14021 + perm.info.name + "; ignoring new declaration"); 14022 pkg.permissions.remove(i); 14023 } 14024 } 14025 } 14026 } 14027 } 14028 14029 if (systemApp) { 14030 if (onExternal) { 14031 // Abort update; system app can't be replaced with app on sdcard 14032 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 14033 "Cannot install updates to system apps on sdcard"); 14034 return; 14035 } else if (ephemeral) { 14036 // Abort update; system app can't be replaced with an ephemeral app 14037 res.setError(INSTALL_FAILED_EPHEMERAL_INVALID, 14038 "Cannot update a system app with an ephemeral app"); 14039 return; 14040 } 14041 } 14042 14043 if (args.move != null) { 14044 // We did an in-place move, so dex is ready to roll 14045 scanFlags |= SCAN_NO_DEX; 14046 scanFlags |= SCAN_MOVE; 14047 14048 synchronized (mPackages) { 14049 final PackageSetting ps = mSettings.mPackages.get(pkgName); 14050 if (ps == null) { 14051 res.setError(INSTALL_FAILED_INTERNAL_ERROR, 14052 "Missing settings for moved package " + pkgName); 14053 } 14054 14055 // We moved the entire application as-is, so bring over the 14056 // previously derived ABI information. 14057 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 14058 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 14059 } 14060 14061 } else if (!forwardLocked && !pkg.applicationInfo.isExternalAsec()) { 14062 // Enable SCAN_NO_DEX flag to skip dexopt at a later stage 14063 scanFlags |= SCAN_NO_DEX; 14064 14065 try { 14066 String abiOverride = (TextUtils.isEmpty(pkg.cpuAbiOverride) ? 14067 args.abiOverride : pkg.cpuAbiOverride); 14068 derivePackageAbi(pkg, new File(pkg.codePath), abiOverride, 14069 true /* extract libs */); 14070 } catch (PackageManagerException pme) { 14071 Slog.e(TAG, "Error deriving application ABI", pme); 14072 res.setError(INSTALL_FAILED_INTERNAL_ERROR, "Error deriving application ABI"); 14073 return; 14074 } 14075 14076 14077 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 14078 // Do not run PackageDexOptimizer through the local performDexOpt 14079 // method because `pkg` is not in `mPackages` yet. 14080 int result = mPackageDexOptimizer.performDexOpt(pkg, null /* instructionSets */, 14081 false /* checkProfiles */, getCompilerFilterForReason(REASON_INSTALL)); 14082 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14083 if (result == PackageDexOptimizer.DEX_OPT_FAILED) { 14084 String msg = "Extracking package failed for " + pkgName; 14085 res.setError(INSTALL_FAILED_DEXOPT, msg); 14086 return; 14087 } 14088 } 14089 14090 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 14091 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 14092 return; 14093 } 14094 14095 startIntentFilterVerifications(args.user.getIdentifier(), replace, pkg); 14096 14097 if (replace) { 14098 replacePackageLI(pkg, parseFlags, scanFlags | SCAN_REPLACING, args.user, 14099 installerPackageName, res); 14100 } else { 14101 installNewPackageLI(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 14102 args.user, installerPackageName, volumeUuid, res); 14103 } 14104 synchronized (mPackages) { 14105 final PackageSetting ps = mSettings.mPackages.get(pkgName); 14106 if (ps != null) { 14107 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 14108 } 14109 14110 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14111 for (int i = 0; i < childCount; i++) { 14112 PackageParser.Package childPkg = pkg.childPackages.get(i); 14113 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 14114 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 14115 if (childPs != null) { 14116 childRes.newUsers = childPs.queryInstalledUsers( 14117 sUserManager.getUserIds(), true); 14118 } 14119 } 14120 } 14121 } 14122 14123 private void startIntentFilterVerifications(int userId, boolean replacing, 14124 PackageParser.Package pkg) { 14125 if (mIntentFilterVerifierComponent == null) { 14126 Slog.w(TAG, "No IntentFilter verification will not be done as " 14127 + "there is no IntentFilterVerifier available!"); 14128 return; 14129 } 14130 14131 final int verifierUid = getPackageUid( 14132 mIntentFilterVerifierComponent.getPackageName(), 14133 MATCH_DEBUG_TRIAGED_MISSING, 14134 (userId == UserHandle.USER_ALL) ? UserHandle.USER_SYSTEM : userId); 14135 14136 Message msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 14137 msg.obj = new IFVerificationParams(pkg, replacing, userId, verifierUid); 14138 mHandler.sendMessage(msg); 14139 14140 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14141 for (int i = 0; i < childCount; i++) { 14142 PackageParser.Package childPkg = pkg.childPackages.get(i); 14143 msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 14144 msg.obj = new IFVerificationParams(childPkg, replacing, userId, verifierUid); 14145 mHandler.sendMessage(msg); 14146 } 14147 } 14148 14149 private void verifyIntentFiltersIfNeeded(int userId, int verifierUid, boolean replacing, 14150 PackageParser.Package pkg) { 14151 int size = pkg.activities.size(); 14152 if (size == 0) { 14153 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 14154 "No activity, so no need to verify any IntentFilter!"); 14155 return; 14156 } 14157 14158 final boolean hasDomainURLs = hasDomainURLs(pkg); 14159 if (!hasDomainURLs) { 14160 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 14161 "No domain URLs, so no need to verify any IntentFilter!"); 14162 return; 14163 } 14164 14165 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Checking for userId:" + userId 14166 + " if any IntentFilter from the " + size 14167 + " Activities needs verification ..."); 14168 14169 int count = 0; 14170 final String packageName = pkg.packageName; 14171 14172 synchronized (mPackages) { 14173 // If this is a new install and we see that we've already run verification for this 14174 // package, we have nothing to do: it means the state was restored from backup. 14175 if (!replacing) { 14176 IntentFilterVerificationInfo ivi = 14177 mSettings.getIntentFilterVerificationLPr(packageName); 14178 if (ivi != null) { 14179 if (DEBUG_DOMAIN_VERIFICATION) { 14180 Slog.i(TAG, "Package " + packageName+ " already verified: status=" 14181 + ivi.getStatusString()); 14182 } 14183 return; 14184 } 14185 } 14186 14187 // If any filters need to be verified, then all need to be. 14188 boolean needToVerify = false; 14189 for (PackageParser.Activity a : pkg.activities) { 14190 for (ActivityIntentInfo filter : a.intents) { 14191 if (filter.needsVerification() && needsNetworkVerificationLPr(filter)) { 14192 if (DEBUG_DOMAIN_VERIFICATION) { 14193 Slog.d(TAG, "Intent filter needs verification, so processing all filters"); 14194 } 14195 needToVerify = true; 14196 break; 14197 } 14198 } 14199 } 14200 14201 if (needToVerify) { 14202 final int verificationId = mIntentFilterVerificationToken++; 14203 for (PackageParser.Activity a : pkg.activities) { 14204 for (ActivityIntentInfo filter : a.intents) { 14205 if (filter.handlesWebUris(true) && needsNetworkVerificationLPr(filter)) { 14206 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 14207 "Verification needed for IntentFilter:" + filter.toString()); 14208 mIntentFilterVerifier.addOneIntentFilterVerification( 14209 verifierUid, userId, verificationId, filter, packageName); 14210 count++; 14211 } 14212 } 14213 } 14214 } 14215 } 14216 14217 if (count > 0) { 14218 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Starting " + count 14219 + " IntentFilter verification" + (count > 1 ? "s" : "") 14220 + " for userId:" + userId); 14221 mIntentFilterVerifier.startVerifications(userId); 14222 } else { 14223 if (DEBUG_DOMAIN_VERIFICATION) { 14224 Slog.d(TAG, "No filters or not all autoVerify for " + packageName); 14225 } 14226 } 14227 } 14228 14229 private boolean needsNetworkVerificationLPr(ActivityIntentInfo filter) { 14230 final ComponentName cn = filter.activity.getComponentName(); 14231 final String packageName = cn.getPackageName(); 14232 14233 IntentFilterVerificationInfo ivi = mSettings.getIntentFilterVerificationLPr( 14234 packageName); 14235 if (ivi == null) { 14236 return true; 14237 } 14238 int status = ivi.getStatus(); 14239 switch (status) { 14240 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 14241 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 14242 return true; 14243 14244 default: 14245 // Nothing to do 14246 return false; 14247 } 14248 } 14249 14250 private static boolean isMultiArch(ApplicationInfo info) { 14251 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 14252 } 14253 14254 private static boolean isExternal(PackageParser.Package pkg) { 14255 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 14256 } 14257 14258 private static boolean isExternal(PackageSetting ps) { 14259 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 14260 } 14261 14262 private static boolean isEphemeral(PackageParser.Package pkg) { 14263 return pkg.applicationInfo.isEphemeralApp(); 14264 } 14265 14266 private static boolean isEphemeral(PackageSetting ps) { 14267 return ps.pkg != null && isEphemeral(ps.pkg); 14268 } 14269 14270 private static boolean isSystemApp(PackageParser.Package pkg) { 14271 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 14272 } 14273 14274 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 14275 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 14276 } 14277 14278 private static boolean hasDomainURLs(PackageParser.Package pkg) { 14279 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_HAS_DOMAIN_URLS) != 0; 14280 } 14281 14282 private static boolean isSystemApp(PackageSetting ps) { 14283 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 14284 } 14285 14286 private static boolean isUpdatedSystemApp(PackageSetting ps) { 14287 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 14288 } 14289 14290 private int packageFlagsToInstallFlags(PackageSetting ps) { 14291 int installFlags = 0; 14292 if (isEphemeral(ps)) { 14293 installFlags |= PackageManager.INSTALL_EPHEMERAL; 14294 } 14295 if (isExternal(ps) && TextUtils.isEmpty(ps.volumeUuid)) { 14296 // This existing package was an external ASEC install when we have 14297 // the external flag without a UUID 14298 installFlags |= PackageManager.INSTALL_EXTERNAL; 14299 } 14300 if (ps.isForwardLocked()) { 14301 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 14302 } 14303 return installFlags; 14304 } 14305 14306 private String getVolumeUuidForPackage(PackageParser.Package pkg) { 14307 if (isExternal(pkg)) { 14308 if (TextUtils.isEmpty(pkg.volumeUuid)) { 14309 return StorageManager.UUID_PRIMARY_PHYSICAL; 14310 } else { 14311 return pkg.volumeUuid; 14312 } 14313 } else { 14314 return StorageManager.UUID_PRIVATE_INTERNAL; 14315 } 14316 } 14317 14318 private VersionInfo getSettingsVersionForPackage(PackageParser.Package pkg) { 14319 if (isExternal(pkg)) { 14320 if (TextUtils.isEmpty(pkg.volumeUuid)) { 14321 return mSettings.getExternalVersion(); 14322 } else { 14323 return mSettings.findOrCreateVersion(pkg.volumeUuid); 14324 } 14325 } else { 14326 return mSettings.getInternalVersion(); 14327 } 14328 } 14329 14330 private void deleteTempPackageFiles() { 14331 final FilenameFilter filter = new FilenameFilter() { 14332 public boolean accept(File dir, String name) { 14333 return name.startsWith("vmdl") && name.endsWith(".tmp"); 14334 } 14335 }; 14336 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 14337 file.delete(); 14338 } 14339 } 14340 14341 @Override 14342 public void deletePackageAsUser(String packageName, IPackageDeleteObserver observer, int userId, 14343 int flags) { 14344 deletePackage(packageName, new LegacyPackageDeleteObserver(observer).getBinder(), userId, 14345 flags); 14346 } 14347 14348 @Override 14349 public void deletePackage(final String packageName, 14350 final IPackageDeleteObserver2 observer, final int userId, final int flags) { 14351 mContext.enforceCallingOrSelfPermission( 14352 android.Manifest.permission.DELETE_PACKAGES, null); 14353 Preconditions.checkNotNull(packageName); 14354 Preconditions.checkNotNull(observer); 14355 final int uid = Binder.getCallingUid(); 14356 final boolean deleteAllUsers = (flags & PackageManager.DELETE_ALL_USERS) != 0; 14357 final int[] users = deleteAllUsers ? sUserManager.getUserIds() : new int[]{ userId }; 14358 if (UserHandle.getUserId(uid) != userId || (deleteAllUsers && users.length > 1)) { 14359 mContext.enforceCallingOrSelfPermission( 14360 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 14361 "deletePackage for user " + userId); 14362 } 14363 14364 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 14365 try { 14366 observer.onPackageDeleted(packageName, 14367 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 14368 } catch (RemoteException re) { 14369 } 14370 return; 14371 } 14372 14373 if (!deleteAllUsers && getBlockUninstallForUser(packageName, userId)) { 14374 try { 14375 observer.onPackageDeleted(packageName, 14376 PackageManager.DELETE_FAILED_OWNER_BLOCKED, null); 14377 } catch (RemoteException re) { 14378 } 14379 return; 14380 } 14381 14382 if (DEBUG_REMOVE) { 14383 Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId 14384 + " deleteAllUsers: " + deleteAllUsers ); 14385 } 14386 // Queue up an async operation since the package deletion may take a little while. 14387 mHandler.post(new Runnable() { 14388 public void run() { 14389 mHandler.removeCallbacks(this); 14390 int returnCode; 14391 if (!deleteAllUsers) { 14392 returnCode = deletePackageX(packageName, userId, flags); 14393 } else { 14394 int[] blockUninstallUserIds = getBlockUninstallForUsers(packageName, users); 14395 // If nobody is blocking uninstall, proceed with delete for all users 14396 if (ArrayUtils.isEmpty(blockUninstallUserIds)) { 14397 returnCode = deletePackageX(packageName, userId, flags); 14398 } else { 14399 // Otherwise uninstall individually for users with blockUninstalls=false 14400 final int userFlags = flags & ~PackageManager.DELETE_ALL_USERS; 14401 for (int userId : users) { 14402 if (!ArrayUtils.contains(blockUninstallUserIds, userId)) { 14403 returnCode = deletePackageX(packageName, userId, userFlags); 14404 if (returnCode != PackageManager.DELETE_SUCCEEDED) { 14405 Slog.w(TAG, "Package delete failed for user " + userId 14406 + ", returnCode " + returnCode); 14407 } 14408 } 14409 } 14410 // The app has only been marked uninstalled for certain users. 14411 // We still need to report that delete was blocked 14412 returnCode = PackageManager.DELETE_FAILED_OWNER_BLOCKED; 14413 } 14414 } 14415 try { 14416 observer.onPackageDeleted(packageName, returnCode, null); 14417 } catch (RemoteException e) { 14418 Log.i(TAG, "Observer no longer exists."); 14419 } //end catch 14420 } //end run 14421 }); 14422 } 14423 14424 private int[] getBlockUninstallForUsers(String packageName, int[] userIds) { 14425 int[] result = EMPTY_INT_ARRAY; 14426 for (int userId : userIds) { 14427 if (getBlockUninstallForUser(packageName, userId)) { 14428 result = ArrayUtils.appendInt(result, userId); 14429 } 14430 } 14431 return result; 14432 } 14433 14434 @Override 14435 public boolean isPackageDeviceAdminOnAnyUser(String packageName) { 14436 return isPackageDeviceAdmin(packageName, UserHandle.USER_ALL); 14437 } 14438 14439 private boolean isPackageDeviceAdmin(String packageName, int userId) { 14440 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 14441 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 14442 try { 14443 if (dpm != null) { 14444 final ComponentName deviceOwnerComponentName = dpm.getDeviceOwnerComponent( 14445 /* callingUserOnly =*/ false); 14446 final String deviceOwnerPackageName = deviceOwnerComponentName == null ? null 14447 : deviceOwnerComponentName.getPackageName(); 14448 // Does the package contains the device owner? 14449 // TODO Do we have to do it even if userId != UserHandle.USER_ALL? Otherwise, 14450 // this check is probably not needed, since DO should be registered as a device 14451 // admin on some user too. (Original bug for this: b/17657954) 14452 if (packageName.equals(deviceOwnerPackageName)) { 14453 return true; 14454 } 14455 // Does it contain a device admin for any user? 14456 int[] users; 14457 if (userId == UserHandle.USER_ALL) { 14458 users = sUserManager.getUserIds(); 14459 } else { 14460 users = new int[]{userId}; 14461 } 14462 for (int i = 0; i < users.length; ++i) { 14463 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 14464 return true; 14465 } 14466 } 14467 } 14468 } catch (RemoteException e) { 14469 } 14470 return false; 14471 } 14472 14473 private boolean shouldKeepUninstalledPackageLPr(String packageName) { 14474 return mKeepUninstalledPackages != null && mKeepUninstalledPackages.contains(packageName); 14475 } 14476 14477 /** 14478 * This method is an internal method that could be get invoked either 14479 * to delete an installed package or to clean up a failed installation. 14480 * After deleting an installed package, a broadcast is sent to notify any 14481 * listeners that the package has been installed. For cleaning up a failed 14482 * installation, the broadcast is not necessary since the package's 14483 * installation wouldn't have sent the initial broadcast either 14484 * The key steps in deleting a package are 14485 * deleting the package information in internal structures like mPackages, 14486 * deleting the packages base directories through installd 14487 * updating mSettings to reflect current status 14488 * persisting settings for later use 14489 * sending a broadcast if necessary 14490 */ 14491 private int deletePackageX(String packageName, int userId, int flags) { 14492 final PackageRemovedInfo info = new PackageRemovedInfo(); 14493 final boolean res; 14494 14495 final UserHandle removeForUser = (flags & PackageManager.DELETE_ALL_USERS) != 0 14496 ? UserHandle.ALL : new UserHandle(userId); 14497 14498 if (isPackageDeviceAdmin(packageName, removeForUser.getIdentifier())) { 14499 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 14500 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 14501 } 14502 14503 PackageSetting uninstalledPs = null; 14504 14505 // for the uninstall-updates case and restricted profiles, remember the per- 14506 // user handle installed state 14507 int[] allUsers; 14508 synchronized (mPackages) { 14509 uninstalledPs = mSettings.mPackages.get(packageName); 14510 if (uninstalledPs == null) { 14511 Slog.w(TAG, "Not removing non-existent package " + packageName); 14512 return PackageManager.DELETE_FAILED_INTERNAL_ERROR; 14513 } 14514 allUsers = sUserManager.getUserIds(); 14515 info.origUsers = uninstalledPs.queryInstalledUsers(allUsers, true); 14516 } 14517 14518 synchronized (mInstallLock) { 14519 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 14520 res = deletePackageLI(packageName, removeForUser, true, allUsers, 14521 flags | REMOVE_CHATTY, info, true, null); 14522 synchronized (mPackages) { 14523 if (res) { 14524 mEphemeralApplicationRegistry.onPackageUninstalledLPw(uninstalledPs.pkg); 14525 } 14526 } 14527 } 14528 14529 if (res) { 14530 final boolean killApp = (flags & PackageManager.INSTALL_DONT_KILL_APP) == 0; 14531 info.sendPackageRemovedBroadcasts(killApp); 14532 info.sendSystemPackageUpdatedBroadcasts(); 14533 info.sendSystemPackageAppearedBroadcasts(); 14534 } 14535 // Force a gc here. 14536 Runtime.getRuntime().gc(); 14537 // Delete the resources here after sending the broadcast to let 14538 // other processes clean up before deleting resources. 14539 if (info.args != null) { 14540 synchronized (mInstallLock) { 14541 info.args.doPostDeleteLI(true); 14542 } 14543 } 14544 14545 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 14546 } 14547 14548 class PackageRemovedInfo { 14549 String removedPackage; 14550 int uid = -1; 14551 int removedAppId = -1; 14552 int[] origUsers; 14553 int[] removedUsers = null; 14554 boolean isRemovedPackageSystemUpdate = false; 14555 boolean isUpdate; 14556 boolean dataRemoved; 14557 boolean removedForAllUsers; 14558 // Clean up resources deleted packages. 14559 InstallArgs args = null; 14560 ArrayMap<String, PackageRemovedInfo> removedChildPackages; 14561 ArrayMap<String, PackageInstalledInfo> appearedChildPackages; 14562 14563 void sendPackageRemovedBroadcasts(boolean killApp) { 14564 sendPackageRemovedBroadcastInternal(killApp); 14565 final int childCount = removedChildPackages != null ? removedChildPackages.size() : 0; 14566 for (int i = 0; i < childCount; i++) { 14567 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 14568 childInfo.sendPackageRemovedBroadcastInternal(killApp); 14569 } 14570 } 14571 14572 void sendSystemPackageUpdatedBroadcasts() { 14573 if (isRemovedPackageSystemUpdate) { 14574 sendSystemPackageUpdatedBroadcastsInternal(); 14575 final int childCount = (removedChildPackages != null) 14576 ? removedChildPackages.size() : 0; 14577 for (int i = 0; i < childCount; i++) { 14578 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 14579 if (childInfo.isRemovedPackageSystemUpdate) { 14580 childInfo.sendSystemPackageUpdatedBroadcastsInternal(); 14581 } 14582 } 14583 } 14584 } 14585 14586 void sendSystemPackageAppearedBroadcasts() { 14587 final int packageCount = (appearedChildPackages != null) 14588 ? appearedChildPackages.size() : 0; 14589 for (int i = 0; i < packageCount; i++) { 14590 PackageInstalledInfo installedInfo = appearedChildPackages.valueAt(i); 14591 for (int userId : installedInfo.newUsers) { 14592 sendPackageAddedForUser(installedInfo.name, true, 14593 UserHandle.getAppId(installedInfo.uid), userId); 14594 } 14595 } 14596 } 14597 14598 private void sendSystemPackageUpdatedBroadcastsInternal() { 14599 Bundle extras = new Bundle(2); 14600 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 14601 extras.putBoolean(Intent.EXTRA_REPLACING, true); 14602 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, removedPackage, 14603 extras, 0, null, null, null); 14604 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, removedPackage, 14605 extras, 0, null, null, null); 14606 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 14607 null, 0, removedPackage, null, null); 14608 } 14609 14610 private void sendPackageRemovedBroadcastInternal(boolean killApp) { 14611 Bundle extras = new Bundle(2); 14612 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 14613 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, dataRemoved); 14614 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, !killApp); 14615 if (isUpdate || isRemovedPackageSystemUpdate) { 14616 extras.putBoolean(Intent.EXTRA_REPLACING, true); 14617 } 14618 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 14619 if (removedPackage != null) { 14620 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 14621 extras, 0, null, null, removedUsers); 14622 if (dataRemoved && !isRemovedPackageSystemUpdate) { 14623 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, 14624 removedPackage, extras, 0, null, null, removedUsers); 14625 } 14626 } 14627 if (removedAppId >= 0) { 14628 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, 0, null, null, 14629 removedUsers); 14630 } 14631 } 14632 } 14633 14634 /* 14635 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 14636 * flag is not set, the data directory is removed as well. 14637 * make sure this flag is set for partially installed apps. If not its meaningless to 14638 * delete a partially installed application. 14639 */ 14640 private void removePackageDataLI(PackageSetting ps, int[] allUserHandles, 14641 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 14642 String packageName = ps.name; 14643 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 14644 removePackageLI(ps, (flags&REMOVE_CHATTY) != 0); 14645 // Retrieve object to delete permissions for shared user later on 14646 final PackageSetting deletedPs; 14647 // reader 14648 synchronized (mPackages) { 14649 deletedPs = mSettings.mPackages.get(packageName); 14650 if (outInfo != null) { 14651 outInfo.removedPackage = packageName; 14652 outInfo.removedUsers = deletedPs != null 14653 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 14654 : null; 14655 } 14656 } 14657 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 14658 removeDataDirsLI(ps.volumeUuid, packageName); 14659 if (outInfo != null) { 14660 outInfo.dataRemoved = true; 14661 } 14662 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 14663 } 14664 // writer 14665 synchronized (mPackages) { 14666 if (deletedPs != null) { 14667 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 14668 clearIntentFilterVerificationsLPw(deletedPs.name, UserHandle.USER_ALL); 14669 clearDefaultBrowserIfNeeded(packageName); 14670 if (outInfo != null) { 14671 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 14672 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 14673 } 14674 updatePermissionsLPw(deletedPs.name, null, 0); 14675 if (deletedPs.sharedUser != null) { 14676 // Remove permissions associated with package. Since runtime 14677 // permissions are per user we have to kill the removed package 14678 // or packages running under the shared user of the removed 14679 // package if revoking the permissions requested only by the removed 14680 // package is successful and this causes a change in gids. 14681 for (int userId : UserManagerService.getInstance().getUserIds()) { 14682 final int userIdToKill = mSettings.updateSharedUserPermsLPw(deletedPs, 14683 userId); 14684 if (userIdToKill == UserHandle.USER_ALL 14685 || userIdToKill >= UserHandle.USER_SYSTEM) { 14686 // If gids changed for this user, kill all affected packages. 14687 mHandler.post(new Runnable() { 14688 @Override 14689 public void run() { 14690 // This has to happen with no lock held. 14691 killApplication(deletedPs.name, deletedPs.appId, 14692 KILL_APP_REASON_GIDS_CHANGED); 14693 } 14694 }); 14695 break; 14696 } 14697 } 14698 } 14699 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 14700 } 14701 // make sure to preserve per-user disabled state if this removal was just 14702 // a downgrade of a system app to the factory package 14703 if (allUserHandles != null && outInfo != null && outInfo.origUsers != null) { 14704 if (DEBUG_REMOVE) { 14705 Slog.d(TAG, "Propagating install state across downgrade"); 14706 } 14707 for (int userId : allUserHandles) { 14708 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 14709 if (DEBUG_REMOVE) { 14710 Slog.d(TAG, " user " + userId + " => " + installed); 14711 } 14712 ps.setInstalled(installed, userId); 14713 } 14714 } 14715 } 14716 // can downgrade to reader 14717 if (writeSettings) { 14718 // Save settings now 14719 mSettings.writeLPr(); 14720 } 14721 } 14722 if (outInfo != null) { 14723 // A user ID was deleted here. Go through all users and remove it 14724 // from KeyStore. 14725 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 14726 } 14727 } 14728 14729 static boolean locationIsPrivileged(File path) { 14730 try { 14731 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 14732 .getCanonicalPath(); 14733 return path.getCanonicalPath().startsWith(privilegedAppDir); 14734 } catch (IOException e) { 14735 Slog.e(TAG, "Unable to access code path " + path); 14736 } 14737 return false; 14738 } 14739 14740 /* 14741 * Tries to delete system package. 14742 */ 14743 private boolean deleteSystemPackageLI(PackageParser.Package deletedPkg, 14744 PackageSetting deletedPs, int[] allUserHandles, int flags, PackageRemovedInfo outInfo, 14745 boolean writeSettings) { 14746 if (deletedPs.parentPackageName != null) { 14747 Slog.w(TAG, "Attempt to delete child system package " + deletedPkg.packageName); 14748 return false; 14749 } 14750 14751 final boolean applyUserRestrictions 14752 = (allUserHandles != null) && (outInfo.origUsers != null); 14753 final PackageSetting disabledPs; 14754 // Confirm if the system package has been updated 14755 // An updated system app can be deleted. This will also have to restore 14756 // the system pkg from system partition 14757 // reader 14758 synchronized (mPackages) { 14759 disabledPs = mSettings.getDisabledSystemPkgLPr(deletedPs.name); 14760 } 14761 14762 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + deletedPkg.packageName 14763 + " disabledPs=" + disabledPs); 14764 14765 if (disabledPs == null) { 14766 Slog.w(TAG, "Attempt to delete unknown system package "+ deletedPkg.packageName); 14767 return false; 14768 } else if (DEBUG_REMOVE) { 14769 Slog.d(TAG, "Deleting system pkg from data partition"); 14770 } 14771 14772 if (DEBUG_REMOVE) { 14773 if (applyUserRestrictions) { 14774 Slog.d(TAG, "Remembering install states:"); 14775 for (int userId : allUserHandles) { 14776 final boolean finstalled = ArrayUtils.contains(outInfo.origUsers, userId); 14777 Slog.d(TAG, " u=" + userId + " inst=" + finstalled); 14778 } 14779 } 14780 } 14781 14782 // Delete the updated package 14783 outInfo.isRemovedPackageSystemUpdate = true; 14784 if (outInfo.removedChildPackages != null) { 14785 final int childCount = (deletedPs.childPackageNames != null) 14786 ? deletedPs.childPackageNames.size() : 0; 14787 for (int i = 0; i < childCount; i++) { 14788 String childPackageName = deletedPs.childPackageNames.get(i); 14789 if (disabledPs.childPackageNames != null && disabledPs.childPackageNames 14790 .contains(childPackageName)) { 14791 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 14792 childPackageName); 14793 if (childInfo != null) { 14794 childInfo.isRemovedPackageSystemUpdate = true; 14795 } 14796 } 14797 } 14798 } 14799 14800 if (disabledPs.versionCode < deletedPs.versionCode) { 14801 // Delete data for downgrades 14802 flags &= ~PackageManager.DELETE_KEEP_DATA; 14803 } else { 14804 // Preserve data by setting flag 14805 flags |= PackageManager.DELETE_KEEP_DATA; 14806 } 14807 14808 boolean ret = deleteInstalledPackageLI(deletedPs, true, flags, allUserHandles, 14809 outInfo, writeSettings, disabledPs.pkg); 14810 if (!ret) { 14811 return false; 14812 } 14813 14814 // writer 14815 synchronized (mPackages) { 14816 // Reinstate the old system package 14817 enableSystemPackageLPw(disabledPs.pkg); 14818 // Remove any native libraries from the upgraded package. 14819 removeNativeBinariesLI(deletedPs); 14820 } 14821 14822 // Install the system package 14823 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 14824 int parseFlags = PackageParser.PARSE_MUST_BE_APK | PackageParser.PARSE_IS_SYSTEM; 14825 if (locationIsPrivileged(disabledPs.codePath)) { 14826 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 14827 } 14828 14829 final PackageParser.Package newPkg; 14830 try { 14831 newPkg = scanPackageTracedLI(disabledPs.codePath, parseFlags, SCAN_NO_PATHS, 0, null); 14832 } catch (PackageManagerException e) { 14833 Slog.w(TAG, "Failed to restore system package:" + deletedPkg.packageName + ": " 14834 + e.getMessage()); 14835 return false; 14836 } 14837 14838 prepareAppDataAfterInstall(newPkg); 14839 14840 // writer 14841 synchronized (mPackages) { 14842 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 14843 14844 // Propagate the permissions state as we do not want to drop on the floor 14845 // runtime permissions. The update permissions method below will take 14846 // care of removing obsolete permissions and grant install permissions. 14847 ps.getPermissionsState().copyFrom(deletedPs.getPermissionsState()); 14848 updatePermissionsLPw(newPkg.packageName, newPkg, 14849 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 14850 14851 if (applyUserRestrictions) { 14852 if (DEBUG_REMOVE) { 14853 Slog.d(TAG, "Propagating install state across reinstall"); 14854 } 14855 for (int userId : allUserHandles) { 14856 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 14857 if (DEBUG_REMOVE) { 14858 Slog.d(TAG, " user " + userId + " => " + installed); 14859 } 14860 ps.setInstalled(installed, userId); 14861 14862 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 14863 } 14864 // Regardless of writeSettings we need to ensure that this restriction 14865 // state propagation is persisted 14866 mSettings.writeAllUsersPackageRestrictionsLPr(); 14867 } 14868 // can downgrade to reader here 14869 if (writeSettings) { 14870 mSettings.writeLPr(); 14871 } 14872 } 14873 return true; 14874 } 14875 14876 private boolean deleteInstalledPackageLI(PackageSetting ps, 14877 boolean deleteCodeAndResources, int flags, int[] allUserHandles, 14878 PackageRemovedInfo outInfo, boolean writeSettings, 14879 PackageParser.Package replacingPackage) { 14880 synchronized (mPackages) { 14881 if (outInfo != null) { 14882 outInfo.uid = ps.appId; 14883 } 14884 14885 if (outInfo != null && outInfo.removedChildPackages != null) { 14886 final int childCount = (ps.childPackageNames != null) 14887 ? ps.childPackageNames.size() : 0; 14888 for (int i = 0; i < childCount; i++) { 14889 String childPackageName = ps.childPackageNames.get(i); 14890 PackageSetting childPs = mSettings.mPackages.get(childPackageName); 14891 if (childPs == null) { 14892 return false; 14893 } 14894 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 14895 childPackageName); 14896 if (childInfo != null) { 14897 childInfo.uid = childPs.appId; 14898 } 14899 } 14900 } 14901 } 14902 14903 // Delete package data from internal structures and also remove data if flag is set 14904 removePackageDataLI(ps, allUserHandles, outInfo, flags, writeSettings); 14905 14906 // Delete the child packages data 14907 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 14908 for (int i = 0; i < childCount; i++) { 14909 PackageSetting childPs; 14910 synchronized (mPackages) { 14911 childPs = mSettings.peekPackageLPr(ps.childPackageNames.get(i)); 14912 } 14913 if (childPs != null) { 14914 PackageRemovedInfo childOutInfo = (outInfo != null 14915 && outInfo.removedChildPackages != null) 14916 ? outInfo.removedChildPackages.get(childPs.name) : null; 14917 final int deleteFlags = (flags & DELETE_KEEP_DATA) != 0 14918 && (replacingPackage != null 14919 && !replacingPackage.hasChildPackage(childPs.name)) 14920 ? flags & ~DELETE_KEEP_DATA : flags; 14921 removePackageDataLI(childPs, allUserHandles, childOutInfo, 14922 deleteFlags, writeSettings); 14923 } 14924 } 14925 14926 // Delete application code and resources only for parent packages 14927 if (ps.parentPackageName == null) { 14928 if (deleteCodeAndResources && (outInfo != null)) { 14929 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 14930 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 14931 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 14932 } 14933 } 14934 14935 return true; 14936 } 14937 14938 @Override 14939 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 14940 int userId) { 14941 mContext.enforceCallingOrSelfPermission( 14942 android.Manifest.permission.DELETE_PACKAGES, null); 14943 synchronized (mPackages) { 14944 PackageSetting ps = mSettings.mPackages.get(packageName); 14945 if (ps == null) { 14946 Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); 14947 return false; 14948 } 14949 if (!ps.getInstalled(userId)) { 14950 // Can't block uninstall for an app that is not installed or enabled. 14951 Log.i(TAG, "Package not installed in set block uninstall " + packageName); 14952 return false; 14953 } 14954 ps.setBlockUninstall(blockUninstall, userId); 14955 mSettings.writePackageRestrictionsLPr(userId); 14956 } 14957 return true; 14958 } 14959 14960 @Override 14961 public boolean getBlockUninstallForUser(String packageName, int userId) { 14962 synchronized (mPackages) { 14963 PackageSetting ps = mSettings.mPackages.get(packageName); 14964 if (ps == null) { 14965 Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); 14966 return false; 14967 } 14968 return ps.getBlockUninstall(userId); 14969 } 14970 } 14971 14972 @Override 14973 public boolean setRequiredForSystemUser(String packageName, boolean systemUserApp) { 14974 int callingUid = Binder.getCallingUid(); 14975 if (callingUid != Process.SYSTEM_UID && callingUid != Process.ROOT_UID) { 14976 throw new SecurityException( 14977 "setRequiredForSystemUser can only be run by the system or root"); 14978 } 14979 synchronized (mPackages) { 14980 PackageSetting ps = mSettings.mPackages.get(packageName); 14981 if (ps == null) { 14982 Log.w(TAG, "Package doesn't exist: " + packageName); 14983 return false; 14984 } 14985 if (systemUserApp) { 14986 ps.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 14987 } else { 14988 ps.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 14989 } 14990 mSettings.writeLPr(); 14991 } 14992 return true; 14993 } 14994 14995 /* 14996 * This method handles package deletion in general 14997 */ 14998 private boolean deletePackageLI(String packageName, UserHandle user, 14999 boolean deleteCodeAndResources, int[] allUserHandles, int flags, 15000 PackageRemovedInfo outInfo, boolean writeSettings, 15001 PackageParser.Package replacingPackage) { 15002 if (packageName == null) { 15003 Slog.w(TAG, "Attempt to delete null packageName."); 15004 return false; 15005 } 15006 15007 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 15008 15009 PackageSetting ps; 15010 15011 synchronized (mPackages) { 15012 ps = mSettings.mPackages.get(packageName); 15013 if (ps == null) { 15014 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 15015 return false; 15016 } 15017 15018 if (ps.parentPackageName != null && (!isSystemApp(ps) 15019 || (flags & PackageManager.DELETE_SYSTEM_APP) != 0)) { 15020 if (DEBUG_REMOVE) { 15021 Slog.d(TAG, "Uninstalled child package:" + packageName + " for user:" 15022 + ((user == null) ? UserHandle.USER_ALL : user)); 15023 } 15024 final int removedUserId = (user != null) ? user.getIdentifier() 15025 : UserHandle.USER_ALL; 15026 if (!clearPackageStateForUser(ps, removedUserId, outInfo)) { 15027 return false; 15028 } 15029 markPackageUninstalledForUserLPw(ps, user); 15030 scheduleWritePackageRestrictionsLocked(user); 15031 return true; 15032 } 15033 } 15034 15035 if (((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 15036 && user.getIdentifier() != UserHandle.USER_ALL)) { 15037 // The caller is asking that the package only be deleted for a single 15038 // user. To do this, we just mark its uninstalled state and delete 15039 // its data. If this is a system app, we only allow this to happen if 15040 // they have set the special DELETE_SYSTEM_APP which requests different 15041 // semantics than normal for uninstalling system apps. 15042 markPackageUninstalledForUserLPw(ps, user); 15043 15044 if (!isSystemApp(ps)) { 15045 // Do not uninstall the APK if an app should be cached 15046 boolean keepUninstalledPackage = shouldKeepUninstalledPackageLPr(packageName); 15047 if (ps.isAnyInstalled(sUserManager.getUserIds()) || keepUninstalledPackage) { 15048 // Other user still have this package installed, so all 15049 // we need to do is clear this user's data and save that 15050 // it is uninstalled. 15051 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 15052 if (!clearPackageStateForUser(ps, user.getIdentifier(), outInfo)) { 15053 return false; 15054 } 15055 scheduleWritePackageRestrictionsLocked(user); 15056 return true; 15057 } else { 15058 // We need to set it back to 'installed' so the uninstall 15059 // broadcasts will be sent correctly. 15060 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 15061 ps.setInstalled(true, user.getIdentifier()); 15062 } 15063 } else { 15064 // This is a system app, so we assume that the 15065 // other users still have this package installed, so all 15066 // we need to do is clear this user's data and save that 15067 // it is uninstalled. 15068 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 15069 if (!clearPackageStateForUser(ps, user.getIdentifier(), outInfo)) { 15070 return false; 15071 } 15072 scheduleWritePackageRestrictionsLocked(user); 15073 return true; 15074 } 15075 } 15076 15077 // If we are deleting a composite package for all users, keep track 15078 // of result for each child. 15079 if (ps.childPackageNames != null && outInfo != null) { 15080 synchronized (mPackages) { 15081 final int childCount = ps.childPackageNames.size(); 15082 outInfo.removedChildPackages = new ArrayMap<>(childCount); 15083 for (int i = 0; i < childCount; i++) { 15084 String childPackageName = ps.childPackageNames.get(i); 15085 PackageRemovedInfo childInfo = new PackageRemovedInfo(); 15086 childInfo.removedPackage = childPackageName; 15087 outInfo.removedChildPackages.put(childPackageName, childInfo); 15088 PackageSetting childPs = mSettings.peekPackageLPr(childPackageName); 15089 if (childPs != null) { 15090 childInfo.origUsers = childPs.queryInstalledUsers(allUserHandles, true); 15091 } 15092 } 15093 } 15094 } 15095 15096 boolean ret = false; 15097 if (isSystemApp(ps)) { 15098 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package: " + ps.name); 15099 // When an updated system application is deleted we delete the existing resources 15100 // as well and fall back to existing code in system partition 15101 ret = deleteSystemPackageLI(ps.pkg, ps, allUserHandles, flags, outInfo, writeSettings); 15102 } else { 15103 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package: " + ps.name); 15104 // Kill application pre-emptively especially for apps on sd. 15105 final boolean killApp = (flags & PackageManager.DELETE_DONT_KILL_APP) == 0; 15106 if (killApp) { 15107 killApplication(packageName, ps.appId, "uninstall pkg"); 15108 } 15109 ret = deleteInstalledPackageLI(ps, deleteCodeAndResources, flags, allUserHandles, 15110 outInfo, writeSettings, replacingPackage); 15111 } 15112 15113 // Take a note whether we deleted the package for all users 15114 if (outInfo != null) { 15115 outInfo.removedForAllUsers = mPackages.get(ps.name) == null; 15116 if (outInfo.removedChildPackages != null) { 15117 synchronized (mPackages) { 15118 final int childCount = outInfo.removedChildPackages.size(); 15119 for (int i = 0; i < childCount; i++) { 15120 PackageRemovedInfo childInfo = outInfo.removedChildPackages.valueAt(i); 15121 if (childInfo != null) { 15122 childInfo.removedForAllUsers = mPackages.get( 15123 childInfo.removedPackage) == null; 15124 } 15125 } 15126 } 15127 } 15128 // If we uninstalled an update to a system app there may be some 15129 // child packages that appeared as they are declared in the system 15130 // app but were not declared in the update. 15131 if (isSystemApp(ps)) { 15132 synchronized (mPackages) { 15133 PackageSetting updatedPs = mSettings.peekPackageLPr(ps.name); 15134 final int childCount = (updatedPs.childPackageNames != null) 15135 ? updatedPs.childPackageNames.size() : 0; 15136 for (int i = 0; i < childCount; i++) { 15137 String childPackageName = updatedPs.childPackageNames.get(i); 15138 if (outInfo.removedChildPackages == null 15139 || outInfo.removedChildPackages.indexOfKey(childPackageName) < 0) { 15140 PackageSetting childPs = mSettings.peekPackageLPr(childPackageName); 15141 if (childPs == null) { 15142 continue; 15143 } 15144 PackageInstalledInfo installRes = new PackageInstalledInfo(); 15145 installRes.name = childPackageName; 15146 installRes.newUsers = childPs.queryInstalledUsers(allUserHandles, true); 15147 installRes.pkg = mPackages.get(childPackageName); 15148 installRes.uid = childPs.pkg.applicationInfo.uid; 15149 if (outInfo.appearedChildPackages == null) { 15150 outInfo.appearedChildPackages = new ArrayMap<>(); 15151 } 15152 outInfo.appearedChildPackages.put(childPackageName, installRes); 15153 } 15154 } 15155 } 15156 } 15157 } 15158 15159 return ret; 15160 } 15161 15162 private void markPackageUninstalledForUserLPw(PackageSetting ps, UserHandle user) { 15163 final int[] userIds = (user == null || user.getIdentifier() == UserHandle.USER_ALL) 15164 ? sUserManager.getUserIds() : new int[] {user.getIdentifier()}; 15165 for (int nextUserId : userIds) { 15166 if (DEBUG_REMOVE) { 15167 Slog.d(TAG, "Marking package:" + ps.name + " uninstalled for user:" + nextUserId); 15168 } 15169 ps.setUserState(nextUserId, COMPONENT_ENABLED_STATE_DEFAULT, 15170 false /*installed*/, true /*stopped*/, true /*notLaunched*/, 15171 false /*hidden*/, false /*suspended*/, null, null, null, 15172 false /*blockUninstall*/, 15173 ps.readUserState(nextUserId).domainVerificationStatus, 0); 15174 } 15175 } 15176 15177 private boolean clearPackageStateForUser(PackageSetting ps, int userId, 15178 PackageRemovedInfo outInfo) { 15179 final int[] userIds = (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() 15180 : new int[] {userId}; 15181 for (int nextUserId : userIds) { 15182 if (DEBUG_REMOVE) { 15183 Slog.d(TAG, "Updating package:" + ps.name + " install state for user:" 15184 + nextUserId); 15185 } 15186 final int flags = StorageManager.FLAG_STORAGE_CE| StorageManager.FLAG_STORAGE_DE; 15187 try { 15188 mInstaller.destroyAppData(ps.volumeUuid, ps.name, nextUserId, flags); 15189 } catch (InstallerException e) { 15190 Slog.w(TAG, "Couldn't remove cache files for package " + ps.name, e); 15191 return false; 15192 } 15193 removeKeystoreDataIfNeeded(nextUserId, ps.appId); 15194 schedulePackageCleaning(ps.name, nextUserId, false); 15195 synchronized (mPackages) { 15196 if (clearPackagePreferredActivitiesLPw(ps.name, nextUserId)) { 15197 scheduleWritePackageRestrictionsLocked(nextUserId); 15198 } 15199 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, nextUserId); 15200 } 15201 } 15202 15203 if (outInfo != null) { 15204 outInfo.removedPackage = ps.name; 15205 outInfo.removedAppId = ps.appId; 15206 outInfo.removedUsers = userIds; 15207 } 15208 15209 return true; 15210 } 15211 15212 private final class ClearStorageConnection implements ServiceConnection { 15213 IMediaContainerService mContainerService; 15214 15215 @Override 15216 public void onServiceConnected(ComponentName name, IBinder service) { 15217 synchronized (this) { 15218 mContainerService = IMediaContainerService.Stub.asInterface(service); 15219 notifyAll(); 15220 } 15221 } 15222 15223 @Override 15224 public void onServiceDisconnected(ComponentName name) { 15225 } 15226 } 15227 15228 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 15229 final boolean mounted; 15230 if (Environment.isExternalStorageEmulated()) { 15231 mounted = true; 15232 } else { 15233 final String status = Environment.getExternalStorageState(); 15234 15235 mounted = status.equals(Environment.MEDIA_MOUNTED) 15236 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 15237 } 15238 15239 if (!mounted) { 15240 return; 15241 } 15242 15243 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 15244 int[] users; 15245 if (userId == UserHandle.USER_ALL) { 15246 users = sUserManager.getUserIds(); 15247 } else { 15248 users = new int[] { userId }; 15249 } 15250 final ClearStorageConnection conn = new ClearStorageConnection(); 15251 if (mContext.bindServiceAsUser( 15252 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 15253 try { 15254 for (int curUser : users) { 15255 long timeout = SystemClock.uptimeMillis() + 5000; 15256 synchronized (conn) { 15257 long now = SystemClock.uptimeMillis(); 15258 while (conn.mContainerService == null && now < timeout) { 15259 try { 15260 conn.wait(timeout - now); 15261 } catch (InterruptedException e) { 15262 } 15263 } 15264 } 15265 if (conn.mContainerService == null) { 15266 return; 15267 } 15268 15269 final UserEnvironment userEnv = new UserEnvironment(curUser); 15270 clearDirectory(conn.mContainerService, 15271 userEnv.buildExternalStorageAppCacheDirs(packageName)); 15272 if (allData) { 15273 clearDirectory(conn.mContainerService, 15274 userEnv.buildExternalStorageAppDataDirs(packageName)); 15275 clearDirectory(conn.mContainerService, 15276 userEnv.buildExternalStorageAppMediaDirs(packageName)); 15277 } 15278 } 15279 } finally { 15280 mContext.unbindService(conn); 15281 } 15282 } 15283 } 15284 15285 @Override 15286 public void clearApplicationProfileData(String packageName) { 15287 enforceSystemOrRoot("Only the system can clear all profile data"); 15288 try { 15289 mInstaller.clearAppProfiles(packageName); 15290 } catch (InstallerException ex) { 15291 Log.e(TAG, "Could not clear profile data of package " + packageName); 15292 } 15293 } 15294 15295 @Override 15296 public void clearApplicationUserData(final String packageName, 15297 final IPackageDataObserver observer, final int userId) { 15298 mContext.enforceCallingOrSelfPermission( 15299 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 15300 15301 enforceCrossUserPermission(Binder.getCallingUid(), userId, 15302 true /* requireFullPermission */, false /* checkShell */, "clear application data"); 15303 15304 final DevicePolicyManagerInternal dpmi = LocalServices 15305 .getService(DevicePolicyManagerInternal.class); 15306 if (dpmi != null && dpmi.hasDeviceOwnerOrProfileOwner(packageName, userId)) { 15307 throw new SecurityException("Cannot clear data for a device owner or a profile owner"); 15308 } 15309 // Queue up an async operation since the package deletion may take a little while. 15310 mHandler.post(new Runnable() { 15311 public void run() { 15312 mHandler.removeCallbacks(this); 15313 final boolean succeeded; 15314 synchronized (mInstallLock) { 15315 succeeded = clearApplicationUserDataLI(packageName, userId); 15316 } 15317 clearExternalStorageDataSync(packageName, userId, true); 15318 if (succeeded) { 15319 // invoke DeviceStorageMonitor's update method to clear any notifications 15320 DeviceStorageMonitorInternal dsm = LocalServices 15321 .getService(DeviceStorageMonitorInternal.class); 15322 if (dsm != null) { 15323 dsm.checkMemory(); 15324 } 15325 } 15326 if(observer != null) { 15327 try { 15328 observer.onRemoveCompleted(packageName, succeeded); 15329 } catch (RemoteException e) { 15330 Log.i(TAG, "Observer no longer exists."); 15331 } 15332 } //end if observer 15333 } //end run 15334 }); 15335 } 15336 15337 private boolean clearApplicationUserDataLI(String packageName, int userId) { 15338 if (packageName == null) { 15339 Slog.w(TAG, "Attempt to delete null packageName."); 15340 return false; 15341 } 15342 15343 // Try finding details about the requested package 15344 PackageParser.Package pkg; 15345 synchronized (mPackages) { 15346 pkg = mPackages.get(packageName); 15347 if (pkg == null) { 15348 final PackageSetting ps = mSettings.mPackages.get(packageName); 15349 if (ps != null) { 15350 pkg = ps.pkg; 15351 } 15352 } 15353 15354 if (pkg == null) { 15355 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 15356 return false; 15357 } 15358 15359 PackageSetting ps = (PackageSetting) pkg.mExtras; 15360 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 15361 } 15362 15363 // Always delete data directories for package, even if we found no other 15364 // record of app. This helps users recover from UID mismatches without 15365 // resorting to a full data wipe. 15366 // TODO: triage flags as part of 26466827 15367 final int flags = StorageManager.FLAG_STORAGE_CE | StorageManager.FLAG_STORAGE_DE; 15368 try { 15369 mInstaller.clearAppData(pkg.volumeUuid, packageName, userId, flags); 15370 } catch (InstallerException e) { 15371 Slog.w(TAG, "Couldn't remove cache files for package " + packageName, e); 15372 return false; 15373 } 15374 15375 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 15376 removeKeystoreDataIfNeeded(userId, appId); 15377 15378 // Create a native library symlink only if we have native libraries 15379 // and if the native libraries are 32 bit libraries. We do not provide 15380 // this symlink for 64 bit libraries. 15381 if (pkg.applicationInfo.primaryCpuAbi != null && 15382 !VMRuntime.is64BitAbi(pkg.applicationInfo.primaryCpuAbi)) { 15383 final String nativeLibPath = pkg.applicationInfo.nativeLibraryDir; 15384 try { 15385 mInstaller.linkNativeLibraryDirectory(pkg.volumeUuid, pkg.packageName, 15386 nativeLibPath, userId); 15387 } catch (InstallerException e) { 15388 Slog.w(TAG, "Failed linking native library dir", e); 15389 return false; 15390 } 15391 } 15392 15393 return true; 15394 } 15395 15396 /** 15397 * Reverts user permission state changes (permissions and flags) in 15398 * all packages for a given user. 15399 * 15400 * @param userId The device user for which to do a reset. 15401 */ 15402 private void resetUserChangesToRuntimePermissionsAndFlagsLPw(int userId) { 15403 final int packageCount = mPackages.size(); 15404 for (int i = 0; i < packageCount; i++) { 15405 PackageParser.Package pkg = mPackages.valueAt(i); 15406 PackageSetting ps = (PackageSetting) pkg.mExtras; 15407 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 15408 } 15409 } 15410 15411 /** 15412 * Reverts user permission state changes (permissions and flags). 15413 * 15414 * @param ps The package for which to reset. 15415 * @param userId The device user for which to do a reset. 15416 */ 15417 private void resetUserChangesToRuntimePermissionsAndFlagsLPw( 15418 final PackageSetting ps, final int userId) { 15419 if (ps.pkg == null) { 15420 return; 15421 } 15422 15423 // These are flags that can change base on user actions. 15424 final int userSettableMask = FLAG_PERMISSION_USER_SET 15425 | FLAG_PERMISSION_USER_FIXED 15426 | FLAG_PERMISSION_REVOKE_ON_UPGRADE 15427 | FLAG_PERMISSION_REVIEW_REQUIRED; 15428 15429 final int policyOrSystemFlags = FLAG_PERMISSION_SYSTEM_FIXED 15430 | FLAG_PERMISSION_POLICY_FIXED; 15431 15432 boolean writeInstallPermissions = false; 15433 boolean writeRuntimePermissions = false; 15434 15435 final int permissionCount = ps.pkg.requestedPermissions.size(); 15436 for (int i = 0; i < permissionCount; i++) { 15437 String permission = ps.pkg.requestedPermissions.get(i); 15438 15439 BasePermission bp = mSettings.mPermissions.get(permission); 15440 if (bp == null) { 15441 continue; 15442 } 15443 15444 // If shared user we just reset the state to which only this app contributed. 15445 if (ps.sharedUser != null) { 15446 boolean used = false; 15447 final int packageCount = ps.sharedUser.packages.size(); 15448 for (int j = 0; j < packageCount; j++) { 15449 PackageSetting pkg = ps.sharedUser.packages.valueAt(j); 15450 if (pkg.pkg != null && !pkg.pkg.packageName.equals(ps.pkg.packageName) 15451 && pkg.pkg.requestedPermissions.contains(permission)) { 15452 used = true; 15453 break; 15454 } 15455 } 15456 if (used) { 15457 continue; 15458 } 15459 } 15460 15461 PermissionsState permissionsState = ps.getPermissionsState(); 15462 15463 final int oldFlags = permissionsState.getPermissionFlags(bp.name, userId); 15464 15465 // Always clear the user settable flags. 15466 final boolean hasInstallState = permissionsState.getInstallPermissionState( 15467 bp.name) != null; 15468 // If permission review is enabled and this is a legacy app, mark the 15469 // permission as requiring a review as this is the initial state. 15470 int flags = 0; 15471 if (Build.PERMISSIONS_REVIEW_REQUIRED 15472 && ps.pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 15473 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 15474 } 15475 if (permissionsState.updatePermissionFlags(bp, userId, userSettableMask, flags)) { 15476 if (hasInstallState) { 15477 writeInstallPermissions = true; 15478 } else { 15479 writeRuntimePermissions = true; 15480 } 15481 } 15482 15483 // Below is only runtime permission handling. 15484 if (!bp.isRuntime()) { 15485 continue; 15486 } 15487 15488 // Never clobber system or policy. 15489 if ((oldFlags & policyOrSystemFlags) != 0) { 15490 continue; 15491 } 15492 15493 // If this permission was granted by default, make sure it is. 15494 if ((oldFlags & FLAG_PERMISSION_GRANTED_BY_DEFAULT) != 0) { 15495 if (permissionsState.grantRuntimePermission(bp, userId) 15496 != PERMISSION_OPERATION_FAILURE) { 15497 writeRuntimePermissions = true; 15498 } 15499 // If permission review is enabled the permissions for a legacy apps 15500 // are represented as constantly granted runtime ones, so don't revoke. 15501 } else if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 15502 // Otherwise, reset the permission. 15503 final int revokeResult = permissionsState.revokeRuntimePermission(bp, userId); 15504 switch (revokeResult) { 15505 case PERMISSION_OPERATION_SUCCESS: 15506 case PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 15507 writeRuntimePermissions = true; 15508 final int appId = ps.appId; 15509 mHandler.post(new Runnable() { 15510 @Override 15511 public void run() { 15512 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 15513 } 15514 }); 15515 } break; 15516 } 15517 } 15518 } 15519 15520 // Synchronously write as we are taking permissions away. 15521 if (writeRuntimePermissions) { 15522 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 15523 } 15524 15525 // Synchronously write as we are taking permissions away. 15526 if (writeInstallPermissions) { 15527 mSettings.writeLPr(); 15528 } 15529 } 15530 15531 /** 15532 * Remove entries from the keystore daemon. Will only remove it if the 15533 * {@code appId} is valid. 15534 */ 15535 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 15536 if (appId < 0) { 15537 return; 15538 } 15539 15540 final KeyStore keyStore = KeyStore.getInstance(); 15541 if (keyStore != null) { 15542 if (userId == UserHandle.USER_ALL) { 15543 for (final int individual : sUserManager.getUserIds()) { 15544 keyStore.clearUid(UserHandle.getUid(individual, appId)); 15545 } 15546 } else { 15547 keyStore.clearUid(UserHandle.getUid(userId, appId)); 15548 } 15549 } else { 15550 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 15551 } 15552 } 15553 15554 @Override 15555 public void deleteApplicationCacheFiles(final String packageName, 15556 final IPackageDataObserver observer) { 15557 mContext.enforceCallingOrSelfPermission( 15558 android.Manifest.permission.DELETE_CACHE_FILES, null); 15559 // Queue up an async operation since the package deletion may take a little while. 15560 final int userId = UserHandle.getCallingUserId(); 15561 mHandler.post(new Runnable() { 15562 public void run() { 15563 mHandler.removeCallbacks(this); 15564 final boolean succeded; 15565 synchronized (mInstallLock) { 15566 succeded = deleteApplicationCacheFilesLI(packageName, userId); 15567 } 15568 clearExternalStorageDataSync(packageName, userId, false); 15569 if (observer != null) { 15570 try { 15571 observer.onRemoveCompleted(packageName, succeded); 15572 } catch (RemoteException e) { 15573 Log.i(TAG, "Observer no longer exists."); 15574 } 15575 } //end if observer 15576 } //end run 15577 }); 15578 } 15579 15580 private boolean deleteApplicationCacheFilesLI(String packageName, int userId) { 15581 if (packageName == null) { 15582 Slog.w(TAG, "Attempt to delete null packageName."); 15583 return false; 15584 } 15585 PackageParser.Package p; 15586 synchronized (mPackages) { 15587 p = mPackages.get(packageName); 15588 } 15589 if (p == null) { 15590 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 15591 return false; 15592 } 15593 final ApplicationInfo applicationInfo = p.applicationInfo; 15594 if (applicationInfo == null) { 15595 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 15596 return false; 15597 } 15598 // TODO: triage flags as part of 26466827 15599 final int flags = StorageManager.FLAG_STORAGE_CE | StorageManager.FLAG_STORAGE_DE; 15600 try { 15601 mInstaller.clearAppData(p.volumeUuid, packageName, userId, 15602 flags | Installer.FLAG_CLEAR_CACHE_ONLY); 15603 } catch (InstallerException e) { 15604 Slog.w(TAG, "Couldn't remove cache files for package " 15605 + packageName + " u" + userId, e); 15606 return false; 15607 } 15608 return true; 15609 } 15610 15611 @Override 15612 public void getPackageSizeInfo(final String packageName, int userHandle, 15613 final IPackageStatsObserver observer) { 15614 mContext.enforceCallingOrSelfPermission( 15615 android.Manifest.permission.GET_PACKAGE_SIZE, null); 15616 if (packageName == null) { 15617 throw new IllegalArgumentException("Attempt to get size of null packageName"); 15618 } 15619 15620 PackageStats stats = new PackageStats(packageName, userHandle); 15621 15622 /* 15623 * Queue up an async operation since the package measurement may take a 15624 * little while. 15625 */ 15626 Message msg = mHandler.obtainMessage(INIT_COPY); 15627 msg.obj = new MeasureParams(stats, observer); 15628 mHandler.sendMessage(msg); 15629 } 15630 15631 private boolean getPackageSizeInfoLI(String packageName, int userHandle, 15632 PackageStats pStats) { 15633 if (packageName == null) { 15634 Slog.w(TAG, "Attempt to get size of null packageName."); 15635 return false; 15636 } 15637 PackageParser.Package p; 15638 boolean dataOnly = false; 15639 String libDirRoot = null; 15640 String asecPath = null; 15641 PackageSetting ps = null; 15642 synchronized (mPackages) { 15643 p = mPackages.get(packageName); 15644 ps = mSettings.mPackages.get(packageName); 15645 if(p == null) { 15646 dataOnly = true; 15647 if((ps == null) || (ps.pkg == null)) { 15648 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 15649 return false; 15650 } 15651 p = ps.pkg; 15652 } 15653 if (ps != null) { 15654 libDirRoot = ps.legacyNativeLibraryPathString; 15655 } 15656 if (p != null && (p.isForwardLocked() || p.applicationInfo.isExternalAsec())) { 15657 final long token = Binder.clearCallingIdentity(); 15658 try { 15659 String secureContainerId = cidFromCodePath(p.applicationInfo.getBaseCodePath()); 15660 if (secureContainerId != null) { 15661 asecPath = PackageHelper.getSdFilesystem(secureContainerId); 15662 } 15663 } finally { 15664 Binder.restoreCallingIdentity(token); 15665 } 15666 } 15667 } 15668 String publicSrcDir = null; 15669 if(!dataOnly) { 15670 final ApplicationInfo applicationInfo = p.applicationInfo; 15671 if (applicationInfo == null) { 15672 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 15673 return false; 15674 } 15675 if (p.isForwardLocked()) { 15676 publicSrcDir = applicationInfo.getBaseResourcePath(); 15677 } 15678 } 15679 // TODO: extend to measure size of split APKs 15680 // TODO(multiArch): Extend getSizeInfo to look at the full subdirectory tree, 15681 // not just the first level. 15682 // TODO(multiArch): Extend getSizeInfo to look at *all* instruction sets, not 15683 // just the primary. 15684 String[] dexCodeInstructionSets = getDexCodeInstructionSets(getAppDexInstructionSets(ps)); 15685 15686 String apkPath; 15687 File packageDir = new File(p.codePath); 15688 15689 if (packageDir.isDirectory() && p.canHaveOatDir()) { 15690 apkPath = packageDir.getAbsolutePath(); 15691 // If libDirRoot is inside a package dir, set it to null to avoid it being counted twice 15692 if (libDirRoot != null && libDirRoot.startsWith(apkPath)) { 15693 libDirRoot = null; 15694 } 15695 } else { 15696 apkPath = p.baseCodePath; 15697 } 15698 15699 // TODO: triage flags as part of 26466827 15700 final int flags = StorageManager.FLAG_STORAGE_CE | StorageManager.FLAG_STORAGE_DE; 15701 try { 15702 mInstaller.getAppSize(p.volumeUuid, packageName, userHandle, flags, apkPath, 15703 libDirRoot, publicSrcDir, asecPath, dexCodeInstructionSets, pStats); 15704 } catch (InstallerException e) { 15705 return false; 15706 } 15707 15708 // Fix-up for forward-locked applications in ASEC containers. 15709 if (!isExternal(p)) { 15710 pStats.codeSize += pStats.externalCodeSize; 15711 pStats.externalCodeSize = 0L; 15712 } 15713 15714 return true; 15715 } 15716 15717 private int getUidTargetSdkVersionLockedLPr(int uid) { 15718 Object obj = mSettings.getUserIdLPr(uid); 15719 if (obj instanceof SharedUserSetting) { 15720 final SharedUserSetting sus = (SharedUserSetting) obj; 15721 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 15722 final Iterator<PackageSetting> it = sus.packages.iterator(); 15723 while (it.hasNext()) { 15724 final PackageSetting ps = it.next(); 15725 if (ps.pkg != null) { 15726 int v = ps.pkg.applicationInfo.targetSdkVersion; 15727 if (v < vers) vers = v; 15728 } 15729 } 15730 return vers; 15731 } else if (obj instanceof PackageSetting) { 15732 final PackageSetting ps = (PackageSetting) obj; 15733 if (ps.pkg != null) { 15734 return ps.pkg.applicationInfo.targetSdkVersion; 15735 } 15736 } 15737 return Build.VERSION_CODES.CUR_DEVELOPMENT; 15738 } 15739 15740 @Override 15741 public void addPreferredActivity(IntentFilter filter, int match, 15742 ComponentName[] set, ComponentName activity, int userId) { 15743 addPreferredActivityInternal(filter, match, set, activity, true, userId, 15744 "Adding preferred"); 15745 } 15746 15747 private void addPreferredActivityInternal(IntentFilter filter, int match, 15748 ComponentName[] set, ComponentName activity, boolean always, int userId, 15749 String opname) { 15750 // writer 15751 int callingUid = Binder.getCallingUid(); 15752 enforceCrossUserPermission(callingUid, userId, 15753 true /* requireFullPermission */, false /* checkShell */, "add preferred activity"); 15754 if (filter.countActions() == 0) { 15755 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 15756 return; 15757 } 15758 synchronized (mPackages) { 15759 if (mContext.checkCallingOrSelfPermission( 15760 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 15761 != PackageManager.PERMISSION_GRANTED) { 15762 if (getUidTargetSdkVersionLockedLPr(callingUid) 15763 < Build.VERSION_CODES.FROYO) { 15764 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 15765 + callingUid); 15766 return; 15767 } 15768 mContext.enforceCallingOrSelfPermission( 15769 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 15770 } 15771 15772 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 15773 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 15774 + userId + ":"); 15775 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 15776 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 15777 scheduleWritePackageRestrictionsLocked(userId); 15778 } 15779 } 15780 15781 @Override 15782 public void replacePreferredActivity(IntentFilter filter, int match, 15783 ComponentName[] set, ComponentName activity, int userId) { 15784 if (filter.countActions() != 1) { 15785 throw new IllegalArgumentException( 15786 "replacePreferredActivity expects filter to have only 1 action."); 15787 } 15788 if (filter.countDataAuthorities() != 0 15789 || filter.countDataPaths() != 0 15790 || filter.countDataSchemes() > 1 15791 || filter.countDataTypes() != 0) { 15792 throw new IllegalArgumentException( 15793 "replacePreferredActivity expects filter to have no data authorities, " + 15794 "paths, or types; and at most one scheme."); 15795 } 15796 15797 final int callingUid = Binder.getCallingUid(); 15798 enforceCrossUserPermission(callingUid, userId, 15799 true /* requireFullPermission */, false /* checkShell */, 15800 "replace preferred activity"); 15801 synchronized (mPackages) { 15802 if (mContext.checkCallingOrSelfPermission( 15803 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 15804 != PackageManager.PERMISSION_GRANTED) { 15805 if (getUidTargetSdkVersionLockedLPr(callingUid) 15806 < Build.VERSION_CODES.FROYO) { 15807 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 15808 + Binder.getCallingUid()); 15809 return; 15810 } 15811 mContext.enforceCallingOrSelfPermission( 15812 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 15813 } 15814 15815 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 15816 if (pir != null) { 15817 // Get all of the existing entries that exactly match this filter. 15818 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 15819 if (existing != null && existing.size() == 1) { 15820 PreferredActivity cur = existing.get(0); 15821 if (DEBUG_PREFERRED) { 15822 Slog.i(TAG, "Checking replace of preferred:"); 15823 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 15824 if (!cur.mPref.mAlways) { 15825 Slog.i(TAG, " -- CUR; not mAlways!"); 15826 } else { 15827 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 15828 Slog.i(TAG, " -- CUR: mSet=" 15829 + Arrays.toString(cur.mPref.mSetComponents)); 15830 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 15831 Slog.i(TAG, " -- NEW: mMatch=" 15832 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 15833 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 15834 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 15835 } 15836 } 15837 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 15838 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 15839 && cur.mPref.sameSet(set)) { 15840 // Setting the preferred activity to what it happens to be already 15841 if (DEBUG_PREFERRED) { 15842 Slog.i(TAG, "Replacing with same preferred activity " 15843 + cur.mPref.mShortComponent + " for user " 15844 + userId + ":"); 15845 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 15846 } 15847 return; 15848 } 15849 } 15850 15851 if (existing != null) { 15852 if (DEBUG_PREFERRED) { 15853 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 15854 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 15855 } 15856 for (int i = 0; i < existing.size(); i++) { 15857 PreferredActivity pa = existing.get(i); 15858 if (DEBUG_PREFERRED) { 15859 Slog.i(TAG, "Removing existing preferred activity " 15860 + pa.mPref.mComponent + ":"); 15861 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 15862 } 15863 pir.removeFilter(pa); 15864 } 15865 } 15866 } 15867 addPreferredActivityInternal(filter, match, set, activity, true, userId, 15868 "Replacing preferred"); 15869 } 15870 } 15871 15872 @Override 15873 public void clearPackagePreferredActivities(String packageName) { 15874 final int uid = Binder.getCallingUid(); 15875 // writer 15876 synchronized (mPackages) { 15877 PackageParser.Package pkg = mPackages.get(packageName); 15878 if (pkg == null || pkg.applicationInfo.uid != uid) { 15879 if (mContext.checkCallingOrSelfPermission( 15880 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 15881 != PackageManager.PERMISSION_GRANTED) { 15882 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 15883 < Build.VERSION_CODES.FROYO) { 15884 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 15885 + Binder.getCallingUid()); 15886 return; 15887 } 15888 mContext.enforceCallingOrSelfPermission( 15889 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 15890 } 15891 } 15892 15893 int user = UserHandle.getCallingUserId(); 15894 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 15895 scheduleWritePackageRestrictionsLocked(user); 15896 } 15897 } 15898 } 15899 15900 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 15901 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 15902 ArrayList<PreferredActivity> removed = null; 15903 boolean changed = false; 15904 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 15905 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 15906 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 15907 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 15908 continue; 15909 } 15910 Iterator<PreferredActivity> it = pir.filterIterator(); 15911 while (it.hasNext()) { 15912 PreferredActivity pa = it.next(); 15913 // Mark entry for removal only if it matches the package name 15914 // and the entry is of type "always". 15915 if (packageName == null || 15916 (pa.mPref.mComponent.getPackageName().equals(packageName) 15917 && pa.mPref.mAlways)) { 15918 if (removed == null) { 15919 removed = new ArrayList<PreferredActivity>(); 15920 } 15921 removed.add(pa); 15922 } 15923 } 15924 if (removed != null) { 15925 for (int j=0; j<removed.size(); j++) { 15926 PreferredActivity pa = removed.get(j); 15927 pir.removeFilter(pa); 15928 } 15929 changed = true; 15930 } 15931 } 15932 return changed; 15933 } 15934 15935 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 15936 private void clearIntentFilterVerificationsLPw(int userId) { 15937 final int packageCount = mPackages.size(); 15938 for (int i = 0; i < packageCount; i++) { 15939 PackageParser.Package pkg = mPackages.valueAt(i); 15940 clearIntentFilterVerificationsLPw(pkg.packageName, userId); 15941 } 15942 } 15943 15944 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 15945 void clearIntentFilterVerificationsLPw(String packageName, int userId) { 15946 if (userId == UserHandle.USER_ALL) { 15947 if (mSettings.removeIntentFilterVerificationLPw(packageName, 15948 sUserManager.getUserIds())) { 15949 for (int oneUserId : sUserManager.getUserIds()) { 15950 scheduleWritePackageRestrictionsLocked(oneUserId); 15951 } 15952 } 15953 } else { 15954 if (mSettings.removeIntentFilterVerificationLPw(packageName, userId)) { 15955 scheduleWritePackageRestrictionsLocked(userId); 15956 } 15957 } 15958 } 15959 15960 void clearDefaultBrowserIfNeeded(String packageName) { 15961 for (int oneUserId : sUserManager.getUserIds()) { 15962 String defaultBrowserPackageName = getDefaultBrowserPackageName(oneUserId); 15963 if (TextUtils.isEmpty(defaultBrowserPackageName)) continue; 15964 if (packageName.equals(defaultBrowserPackageName)) { 15965 setDefaultBrowserPackageName(null, oneUserId); 15966 } 15967 } 15968 } 15969 15970 @Override 15971 public void resetApplicationPreferences(int userId) { 15972 mContext.enforceCallingOrSelfPermission( 15973 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 15974 // writer 15975 synchronized (mPackages) { 15976 final long identity = Binder.clearCallingIdentity(); 15977 try { 15978 clearPackagePreferredActivitiesLPw(null, userId); 15979 mSettings.applyDefaultPreferredAppsLPw(this, userId); 15980 // TODO: We have to reset the default SMS and Phone. This requires 15981 // significant refactoring to keep all default apps in the package 15982 // manager (cleaner but more work) or have the services provide 15983 // callbacks to the package manager to request a default app reset. 15984 applyFactoryDefaultBrowserLPw(userId); 15985 clearIntentFilterVerificationsLPw(userId); 15986 primeDomainVerificationsLPw(userId); 15987 resetUserChangesToRuntimePermissionsAndFlagsLPw(userId); 15988 scheduleWritePackageRestrictionsLocked(userId); 15989 } finally { 15990 Binder.restoreCallingIdentity(identity); 15991 } 15992 } 15993 } 15994 15995 @Override 15996 public int getPreferredActivities(List<IntentFilter> outFilters, 15997 List<ComponentName> outActivities, String packageName) { 15998 15999 int num = 0; 16000 final int userId = UserHandle.getCallingUserId(); 16001 // reader 16002 synchronized (mPackages) { 16003 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 16004 if (pir != null) { 16005 final Iterator<PreferredActivity> it = pir.filterIterator(); 16006 while (it.hasNext()) { 16007 final PreferredActivity pa = it.next(); 16008 if (packageName == null 16009 || (pa.mPref.mComponent.getPackageName().equals(packageName) 16010 && pa.mPref.mAlways)) { 16011 if (outFilters != null) { 16012 outFilters.add(new IntentFilter(pa)); 16013 } 16014 if (outActivities != null) { 16015 outActivities.add(pa.mPref.mComponent); 16016 } 16017 } 16018 } 16019 } 16020 } 16021 16022 return num; 16023 } 16024 16025 @Override 16026 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 16027 int userId) { 16028 int callingUid = Binder.getCallingUid(); 16029 if (callingUid != Process.SYSTEM_UID) { 16030 throw new SecurityException( 16031 "addPersistentPreferredActivity can only be run by the system"); 16032 } 16033 if (filter.countActions() == 0) { 16034 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 16035 return; 16036 } 16037 synchronized (mPackages) { 16038 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 16039 ":"); 16040 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 16041 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 16042 new PersistentPreferredActivity(filter, activity)); 16043 scheduleWritePackageRestrictionsLocked(userId); 16044 } 16045 } 16046 16047 @Override 16048 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 16049 int callingUid = Binder.getCallingUid(); 16050 if (callingUid != Process.SYSTEM_UID) { 16051 throw new SecurityException( 16052 "clearPackagePersistentPreferredActivities can only be run by the system"); 16053 } 16054 ArrayList<PersistentPreferredActivity> removed = null; 16055 boolean changed = false; 16056 synchronized (mPackages) { 16057 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 16058 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 16059 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 16060 .valueAt(i); 16061 if (userId != thisUserId) { 16062 continue; 16063 } 16064 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 16065 while (it.hasNext()) { 16066 PersistentPreferredActivity ppa = it.next(); 16067 // Mark entry for removal only if it matches the package name. 16068 if (ppa.mComponent.getPackageName().equals(packageName)) { 16069 if (removed == null) { 16070 removed = new ArrayList<PersistentPreferredActivity>(); 16071 } 16072 removed.add(ppa); 16073 } 16074 } 16075 if (removed != null) { 16076 for (int j=0; j<removed.size(); j++) { 16077 PersistentPreferredActivity ppa = removed.get(j); 16078 ppir.removeFilter(ppa); 16079 } 16080 changed = true; 16081 } 16082 } 16083 16084 if (changed) { 16085 scheduleWritePackageRestrictionsLocked(userId); 16086 } 16087 } 16088 } 16089 16090 /** 16091 * Common machinery for picking apart a restored XML blob and passing 16092 * it to a caller-supplied functor to be applied to the running system. 16093 */ 16094 private void restoreFromXml(XmlPullParser parser, int userId, 16095 String expectedStartTag, BlobXmlRestorer functor) 16096 throws IOException, XmlPullParserException { 16097 int type; 16098 while ((type = parser.next()) != XmlPullParser.START_TAG 16099 && type != XmlPullParser.END_DOCUMENT) { 16100 } 16101 if (type != XmlPullParser.START_TAG) { 16102 // oops didn't find a start tag?! 16103 if (DEBUG_BACKUP) { 16104 Slog.e(TAG, "Didn't find start tag during restore"); 16105 } 16106 return; 16107 } 16108Slog.v(TAG, ":: restoreFromXml() : got to tag " + parser.getName()); 16109 // this is supposed to be TAG_PREFERRED_BACKUP 16110 if (!expectedStartTag.equals(parser.getName())) { 16111 if (DEBUG_BACKUP) { 16112 Slog.e(TAG, "Found unexpected tag " + parser.getName()); 16113 } 16114 return; 16115 } 16116 16117 // skip interfering stuff, then we're aligned with the backing implementation 16118 while ((type = parser.next()) == XmlPullParser.TEXT) { } 16119Slog.v(TAG, ":: stepped forward, applying functor at tag " + parser.getName()); 16120 functor.apply(parser, userId); 16121 } 16122 16123 private interface BlobXmlRestorer { 16124 public void apply(XmlPullParser parser, int userId) throws IOException, XmlPullParserException; 16125 } 16126 16127 /** 16128 * Non-Binder method, support for the backup/restore mechanism: write the 16129 * full set of preferred activities in its canonical XML format. Returns the 16130 * XML output as a byte array, or null if there is none. 16131 */ 16132 @Override 16133 public byte[] getPreferredActivityBackup(int userId) { 16134 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16135 throw new SecurityException("Only the system may call getPreferredActivityBackup()"); 16136 } 16137 16138 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 16139 try { 16140 final XmlSerializer serializer = new FastXmlSerializer(); 16141 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 16142 serializer.startDocument(null, true); 16143 serializer.startTag(null, TAG_PREFERRED_BACKUP); 16144 16145 synchronized (mPackages) { 16146 mSettings.writePreferredActivitiesLPr(serializer, userId, true); 16147 } 16148 16149 serializer.endTag(null, TAG_PREFERRED_BACKUP); 16150 serializer.endDocument(); 16151 serializer.flush(); 16152 } catch (Exception e) { 16153 if (DEBUG_BACKUP) { 16154 Slog.e(TAG, "Unable to write preferred activities for backup", e); 16155 } 16156 return null; 16157 } 16158 16159 return dataStream.toByteArray(); 16160 } 16161 16162 @Override 16163 public void restorePreferredActivities(byte[] backup, int userId) { 16164 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16165 throw new SecurityException("Only the system may call restorePreferredActivities()"); 16166 } 16167 16168 try { 16169 final XmlPullParser parser = Xml.newPullParser(); 16170 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 16171 restoreFromXml(parser, userId, TAG_PREFERRED_BACKUP, 16172 new BlobXmlRestorer() { 16173 @Override 16174 public void apply(XmlPullParser parser, int userId) 16175 throws XmlPullParserException, IOException { 16176 synchronized (mPackages) { 16177 mSettings.readPreferredActivitiesLPw(parser, userId); 16178 } 16179 } 16180 } ); 16181 } catch (Exception e) { 16182 if (DEBUG_BACKUP) { 16183 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 16184 } 16185 } 16186 } 16187 16188 /** 16189 * Non-Binder method, support for the backup/restore mechanism: write the 16190 * default browser (etc) settings in its canonical XML format. Returns the default 16191 * browser XML representation as a byte array, or null if there is none. 16192 */ 16193 @Override 16194 public byte[] getDefaultAppsBackup(int userId) { 16195 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16196 throw new SecurityException("Only the system may call getDefaultAppsBackup()"); 16197 } 16198 16199 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 16200 try { 16201 final XmlSerializer serializer = new FastXmlSerializer(); 16202 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 16203 serializer.startDocument(null, true); 16204 serializer.startTag(null, TAG_DEFAULT_APPS); 16205 16206 synchronized (mPackages) { 16207 mSettings.writeDefaultAppsLPr(serializer, userId); 16208 } 16209 16210 serializer.endTag(null, TAG_DEFAULT_APPS); 16211 serializer.endDocument(); 16212 serializer.flush(); 16213 } catch (Exception e) { 16214 if (DEBUG_BACKUP) { 16215 Slog.e(TAG, "Unable to write default apps for backup", e); 16216 } 16217 return null; 16218 } 16219 16220 return dataStream.toByteArray(); 16221 } 16222 16223 @Override 16224 public void restoreDefaultApps(byte[] backup, int userId) { 16225 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16226 throw new SecurityException("Only the system may call restoreDefaultApps()"); 16227 } 16228 16229 try { 16230 final XmlPullParser parser = Xml.newPullParser(); 16231 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 16232 restoreFromXml(parser, userId, TAG_DEFAULT_APPS, 16233 new BlobXmlRestorer() { 16234 @Override 16235 public void apply(XmlPullParser parser, int userId) 16236 throws XmlPullParserException, IOException { 16237 synchronized (mPackages) { 16238 mSettings.readDefaultAppsLPw(parser, userId); 16239 } 16240 } 16241 } ); 16242 } catch (Exception e) { 16243 if (DEBUG_BACKUP) { 16244 Slog.e(TAG, "Exception restoring default apps: " + e.getMessage()); 16245 } 16246 } 16247 } 16248 16249 @Override 16250 public byte[] getIntentFilterVerificationBackup(int userId) { 16251 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16252 throw new SecurityException("Only the system may call getIntentFilterVerificationBackup()"); 16253 } 16254 16255 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 16256 try { 16257 final XmlSerializer serializer = new FastXmlSerializer(); 16258 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 16259 serializer.startDocument(null, true); 16260 serializer.startTag(null, TAG_INTENT_FILTER_VERIFICATION); 16261 16262 synchronized (mPackages) { 16263 mSettings.writeAllDomainVerificationsLPr(serializer, userId); 16264 } 16265 16266 serializer.endTag(null, TAG_INTENT_FILTER_VERIFICATION); 16267 serializer.endDocument(); 16268 serializer.flush(); 16269 } catch (Exception e) { 16270 if (DEBUG_BACKUP) { 16271 Slog.e(TAG, "Unable to write default apps for backup", e); 16272 } 16273 return null; 16274 } 16275 16276 return dataStream.toByteArray(); 16277 } 16278 16279 @Override 16280 public void restoreIntentFilterVerification(byte[] backup, int userId) { 16281 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16282 throw new SecurityException("Only the system may call restorePreferredActivities()"); 16283 } 16284 16285 try { 16286 final XmlPullParser parser = Xml.newPullParser(); 16287 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 16288 restoreFromXml(parser, userId, TAG_INTENT_FILTER_VERIFICATION, 16289 new BlobXmlRestorer() { 16290 @Override 16291 public void apply(XmlPullParser parser, int userId) 16292 throws XmlPullParserException, IOException { 16293 synchronized (mPackages) { 16294 mSettings.readAllDomainVerificationsLPr(parser, userId); 16295 mSettings.writeLPr(); 16296 } 16297 } 16298 } ); 16299 } catch (Exception e) { 16300 if (DEBUG_BACKUP) { 16301 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 16302 } 16303 } 16304 } 16305 16306 @Override 16307 public byte[] getPermissionGrantBackup(int userId) { 16308 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16309 throw new SecurityException("Only the system may call getPermissionGrantBackup()"); 16310 } 16311 16312 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 16313 try { 16314 final XmlSerializer serializer = new FastXmlSerializer(); 16315 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 16316 serializer.startDocument(null, true); 16317 serializer.startTag(null, TAG_PERMISSION_BACKUP); 16318 16319 synchronized (mPackages) { 16320 serializeRuntimePermissionGrantsLPr(serializer, userId); 16321 } 16322 16323 serializer.endTag(null, TAG_PERMISSION_BACKUP); 16324 serializer.endDocument(); 16325 serializer.flush(); 16326 } catch (Exception e) { 16327 if (DEBUG_BACKUP) { 16328 Slog.e(TAG, "Unable to write default apps for backup", e); 16329 } 16330 return null; 16331 } 16332 16333 return dataStream.toByteArray(); 16334 } 16335 16336 @Override 16337 public void restorePermissionGrants(byte[] backup, int userId) { 16338 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16339 throw new SecurityException("Only the system may call restorePermissionGrants()"); 16340 } 16341 16342 try { 16343 final XmlPullParser parser = Xml.newPullParser(); 16344 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 16345 restoreFromXml(parser, userId, TAG_PERMISSION_BACKUP, 16346 new BlobXmlRestorer() { 16347 @Override 16348 public void apply(XmlPullParser parser, int userId) 16349 throws XmlPullParserException, IOException { 16350 synchronized (mPackages) { 16351 processRestoredPermissionGrantsLPr(parser, userId); 16352 } 16353 } 16354 } ); 16355 } catch (Exception e) { 16356 if (DEBUG_BACKUP) { 16357 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 16358 } 16359 } 16360 } 16361 16362 private void serializeRuntimePermissionGrantsLPr(XmlSerializer serializer, final int userId) 16363 throws IOException { 16364 serializer.startTag(null, TAG_ALL_GRANTS); 16365 16366 final int N = mSettings.mPackages.size(); 16367 for (int i = 0; i < N; i++) { 16368 final PackageSetting ps = mSettings.mPackages.valueAt(i); 16369 boolean pkgGrantsKnown = false; 16370 16371 PermissionsState packagePerms = ps.getPermissionsState(); 16372 16373 for (PermissionState state : packagePerms.getRuntimePermissionStates(userId)) { 16374 final int grantFlags = state.getFlags(); 16375 // only look at grants that are not system/policy fixed 16376 if ((grantFlags & SYSTEM_RUNTIME_GRANT_MASK) == 0) { 16377 final boolean isGranted = state.isGranted(); 16378 // And only back up the user-twiddled state bits 16379 if (isGranted || (grantFlags & USER_RUNTIME_GRANT_MASK) != 0) { 16380 final String packageName = mSettings.mPackages.keyAt(i); 16381 if (!pkgGrantsKnown) { 16382 serializer.startTag(null, TAG_GRANT); 16383 serializer.attribute(null, ATTR_PACKAGE_NAME, packageName); 16384 pkgGrantsKnown = true; 16385 } 16386 16387 final boolean userSet = 16388 (grantFlags & FLAG_PERMISSION_USER_SET) != 0; 16389 final boolean userFixed = 16390 (grantFlags & FLAG_PERMISSION_USER_FIXED) != 0; 16391 final boolean revoke = 16392 (grantFlags & FLAG_PERMISSION_REVOKE_ON_UPGRADE) != 0; 16393 16394 serializer.startTag(null, TAG_PERMISSION); 16395 serializer.attribute(null, ATTR_PERMISSION_NAME, state.getName()); 16396 if (isGranted) { 16397 serializer.attribute(null, ATTR_IS_GRANTED, "true"); 16398 } 16399 if (userSet) { 16400 serializer.attribute(null, ATTR_USER_SET, "true"); 16401 } 16402 if (userFixed) { 16403 serializer.attribute(null, ATTR_USER_FIXED, "true"); 16404 } 16405 if (revoke) { 16406 serializer.attribute(null, ATTR_REVOKE_ON_UPGRADE, "true"); 16407 } 16408 serializer.endTag(null, TAG_PERMISSION); 16409 } 16410 } 16411 } 16412 16413 if (pkgGrantsKnown) { 16414 serializer.endTag(null, TAG_GRANT); 16415 } 16416 } 16417 16418 serializer.endTag(null, TAG_ALL_GRANTS); 16419 } 16420 16421 private void processRestoredPermissionGrantsLPr(XmlPullParser parser, int userId) 16422 throws XmlPullParserException, IOException { 16423 String pkgName = null; 16424 int outerDepth = parser.getDepth(); 16425 int type; 16426 while ((type = parser.next()) != XmlPullParser.END_DOCUMENT 16427 && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 16428 if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 16429 continue; 16430 } 16431 16432 final String tagName = parser.getName(); 16433 if (tagName.equals(TAG_GRANT)) { 16434 pkgName = parser.getAttributeValue(null, ATTR_PACKAGE_NAME); 16435 if (DEBUG_BACKUP) { 16436 Slog.v(TAG, "+++ Restoring grants for package " + pkgName); 16437 } 16438 } else if (tagName.equals(TAG_PERMISSION)) { 16439 16440 final boolean isGranted = "true".equals(parser.getAttributeValue(null, ATTR_IS_GRANTED)); 16441 final String permName = parser.getAttributeValue(null, ATTR_PERMISSION_NAME); 16442 16443 int newFlagSet = 0; 16444 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_SET))) { 16445 newFlagSet |= FLAG_PERMISSION_USER_SET; 16446 } 16447 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_FIXED))) { 16448 newFlagSet |= FLAG_PERMISSION_USER_FIXED; 16449 } 16450 if ("true".equals(parser.getAttributeValue(null, ATTR_REVOKE_ON_UPGRADE))) { 16451 newFlagSet |= FLAG_PERMISSION_REVOKE_ON_UPGRADE; 16452 } 16453 if (DEBUG_BACKUP) { 16454 Slog.v(TAG, " + Restoring grant: pkg=" + pkgName + " perm=" + permName 16455 + " granted=" + isGranted + " bits=0x" + Integer.toHexString(newFlagSet)); 16456 } 16457 final PackageSetting ps = mSettings.mPackages.get(pkgName); 16458 if (ps != null) { 16459 // Already installed so we apply the grant immediately 16460 if (DEBUG_BACKUP) { 16461 Slog.v(TAG, " + already installed; applying"); 16462 } 16463 PermissionsState perms = ps.getPermissionsState(); 16464 BasePermission bp = mSettings.mPermissions.get(permName); 16465 if (bp != null) { 16466 if (isGranted) { 16467 perms.grantRuntimePermission(bp, userId); 16468 } 16469 if (newFlagSet != 0) { 16470 perms.updatePermissionFlags(bp, userId, USER_RUNTIME_GRANT_MASK, newFlagSet); 16471 } 16472 } 16473 } else { 16474 // Need to wait for post-restore install to apply the grant 16475 if (DEBUG_BACKUP) { 16476 Slog.v(TAG, " - not yet installed; saving for later"); 16477 } 16478 mSettings.processRestoredPermissionGrantLPr(pkgName, permName, 16479 isGranted, newFlagSet, userId); 16480 } 16481 } else { 16482 PackageManagerService.reportSettingsProblem(Log.WARN, 16483 "Unknown element under <" + TAG_PERMISSION_BACKUP + ">: " + tagName); 16484 XmlUtils.skipCurrentTag(parser); 16485 } 16486 } 16487 16488 scheduleWriteSettingsLocked(); 16489 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 16490 } 16491 16492 @Override 16493 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 16494 int sourceUserId, int targetUserId, int flags) { 16495 mContext.enforceCallingOrSelfPermission( 16496 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 16497 int callingUid = Binder.getCallingUid(); 16498 enforceOwnerRights(ownerPackage, callingUid); 16499 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 16500 if (intentFilter.countActions() == 0) { 16501 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 16502 return; 16503 } 16504 synchronized (mPackages) { 16505 CrossProfileIntentFilter newFilter = new CrossProfileIntentFilter(intentFilter, 16506 ownerPackage, targetUserId, flags); 16507 CrossProfileIntentResolver resolver = 16508 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 16509 ArrayList<CrossProfileIntentFilter> existing = resolver.findFilters(intentFilter); 16510 // We have all those whose filter is equal. Now checking if the rest is equal as well. 16511 if (existing != null) { 16512 int size = existing.size(); 16513 for (int i = 0; i < size; i++) { 16514 if (newFilter.equalsIgnoreFilter(existing.get(i))) { 16515 return; 16516 } 16517 } 16518 } 16519 resolver.addFilter(newFilter); 16520 scheduleWritePackageRestrictionsLocked(sourceUserId); 16521 } 16522 } 16523 16524 @Override 16525 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage) { 16526 mContext.enforceCallingOrSelfPermission( 16527 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 16528 int callingUid = Binder.getCallingUid(); 16529 enforceOwnerRights(ownerPackage, callingUid); 16530 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 16531 synchronized (mPackages) { 16532 CrossProfileIntentResolver resolver = 16533 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 16534 ArraySet<CrossProfileIntentFilter> set = 16535 new ArraySet<CrossProfileIntentFilter>(resolver.filterSet()); 16536 for (CrossProfileIntentFilter filter : set) { 16537 if (filter.getOwnerPackage().equals(ownerPackage)) { 16538 resolver.removeFilter(filter); 16539 } 16540 } 16541 scheduleWritePackageRestrictionsLocked(sourceUserId); 16542 } 16543 } 16544 16545 // Enforcing that callingUid is owning pkg on userId 16546 private void enforceOwnerRights(String pkg, int callingUid) { 16547 // The system owns everything. 16548 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 16549 return; 16550 } 16551 int callingUserId = UserHandle.getUserId(callingUid); 16552 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 16553 if (pi == null) { 16554 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 16555 + callingUserId); 16556 } 16557 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 16558 throw new SecurityException("Calling uid " + callingUid 16559 + " does not own package " + pkg); 16560 } 16561 } 16562 16563 @Override 16564 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 16565 return getHomeActivitiesAsUser(allHomeCandidates, UserHandle.getCallingUserId()); 16566 } 16567 16568 private Intent getHomeIntent() { 16569 Intent intent = new Intent(Intent.ACTION_MAIN); 16570 intent.addCategory(Intent.CATEGORY_HOME); 16571 return intent; 16572 } 16573 16574 private IntentFilter getHomeFilter() { 16575 IntentFilter filter = new IntentFilter(Intent.ACTION_MAIN); 16576 filter.addCategory(Intent.CATEGORY_HOME); 16577 filter.addCategory(Intent.CATEGORY_DEFAULT); 16578 return filter; 16579 } 16580 16581 ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 16582 int userId) { 16583 Intent intent = getHomeIntent(); 16584 List<ResolveInfo> list = queryIntentActivitiesInternal(intent, null, 16585 PackageManager.GET_META_DATA, userId); 16586 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 16587 true, false, false, userId); 16588 16589 allHomeCandidates.clear(); 16590 if (list != null) { 16591 for (ResolveInfo ri : list) { 16592 allHomeCandidates.add(ri); 16593 } 16594 } 16595 return (preferred == null || preferred.activityInfo == null) 16596 ? null 16597 : new ComponentName(preferred.activityInfo.packageName, 16598 preferred.activityInfo.name); 16599 } 16600 16601 @Override 16602 public void setHomeActivity(ComponentName comp, int userId) { 16603 ArrayList<ResolveInfo> homeActivities = new ArrayList<>(); 16604 getHomeActivitiesAsUser(homeActivities, userId); 16605 16606 boolean found = false; 16607 16608 final int size = homeActivities.size(); 16609 final ComponentName[] set = new ComponentName[size]; 16610 for (int i = 0; i < size; i++) { 16611 final ResolveInfo candidate = homeActivities.get(i); 16612 final ActivityInfo info = candidate.activityInfo; 16613 final ComponentName activityName = new ComponentName(info.packageName, info.name); 16614 set[i] = activityName; 16615 if (!found && activityName.equals(comp)) { 16616 found = true; 16617 } 16618 } 16619 if (!found) { 16620 throw new IllegalArgumentException("Component " + comp + " cannot be home on user " 16621 + userId); 16622 } 16623 replacePreferredActivity(getHomeFilter(), IntentFilter.MATCH_CATEGORY_EMPTY, 16624 set, comp, userId); 16625 } 16626 16627 private @Nullable String getSetupWizardPackageName() { 16628 final Intent intent = new Intent(Intent.ACTION_MAIN); 16629 intent.addCategory(Intent.CATEGORY_SETUP_WIZARD); 16630 16631 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, null, 16632 MATCH_SYSTEM_ONLY | MATCH_DISABLED_COMPONENTS, UserHandle.myUserId()); 16633 if (matches.size() == 1) { 16634 return matches.get(0).getComponentInfo().packageName; 16635 } else { 16636 Slog.e(TAG, "There should probably be exactly one setup wizard; found " + matches.size() 16637 + ": matches=" + matches); 16638 return null; 16639 } 16640 } 16641 16642 @Override 16643 public void setApplicationEnabledSetting(String appPackageName, 16644 int newState, int flags, int userId, String callingPackage) { 16645 if (!sUserManager.exists(userId)) return; 16646 if (callingPackage == null) { 16647 callingPackage = Integer.toString(Binder.getCallingUid()); 16648 } 16649 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 16650 } 16651 16652 @Override 16653 public void setComponentEnabledSetting(ComponentName componentName, 16654 int newState, int flags, int userId) { 16655 if (!sUserManager.exists(userId)) return; 16656 setEnabledSetting(componentName.getPackageName(), 16657 componentName.getClassName(), newState, flags, userId, null); 16658 } 16659 16660 private void setEnabledSetting(final String packageName, String className, int newState, 16661 final int flags, int userId, String callingPackage) { 16662 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 16663 || newState == COMPONENT_ENABLED_STATE_ENABLED 16664 || newState == COMPONENT_ENABLED_STATE_DISABLED 16665 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 16666 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 16667 throw new IllegalArgumentException("Invalid new component state: " 16668 + newState); 16669 } 16670 PackageSetting pkgSetting; 16671 final int uid = Binder.getCallingUid(); 16672 final int permission = mContext.checkCallingOrSelfPermission( 16673 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 16674 enforceCrossUserPermission(uid, userId, 16675 false /* requireFullPermission */, true /* checkShell */, "set enabled"); 16676 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 16677 boolean sendNow = false; 16678 boolean isApp = (className == null); 16679 String componentName = isApp ? packageName : className; 16680 int packageUid = -1; 16681 ArrayList<String> components; 16682 16683 // writer 16684 synchronized (mPackages) { 16685 pkgSetting = mSettings.mPackages.get(packageName); 16686 if (pkgSetting == null) { 16687 if (className == null) { 16688 throw new IllegalArgumentException("Unknown package: " + packageName); 16689 } 16690 throw new IllegalArgumentException( 16691 "Unknown component: " + packageName + "/" + className); 16692 } 16693 // Allow root and verify that userId is not being specified by a different user 16694 if (!allowedByPermission && !UserHandle.isSameApp(uid, pkgSetting.appId)) { 16695 throw new SecurityException( 16696 "Permission Denial: attempt to change component state from pid=" 16697 + Binder.getCallingPid() 16698 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 16699 } 16700 if (className == null) { 16701 // We're dealing with an application/package level state change 16702 if (pkgSetting.getEnabled(userId) == newState) { 16703 // Nothing to do 16704 return; 16705 } 16706 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 16707 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 16708 // Don't care about who enables an app. 16709 callingPackage = null; 16710 } 16711 pkgSetting.setEnabled(newState, userId, callingPackage); 16712 // pkgSetting.pkg.mSetEnabled = newState; 16713 } else { 16714 // We're dealing with a component level state change 16715 // First, verify that this is a valid class name. 16716 PackageParser.Package pkg = pkgSetting.pkg; 16717 if (pkg == null || !pkg.hasComponentClassName(className)) { 16718 if (pkg != null && 16719 pkg.applicationInfo.targetSdkVersion >= 16720 Build.VERSION_CODES.JELLY_BEAN) { 16721 throw new IllegalArgumentException("Component class " + className 16722 + " does not exist in " + packageName); 16723 } else { 16724 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 16725 + className + " does not exist in " + packageName); 16726 } 16727 } 16728 switch (newState) { 16729 case COMPONENT_ENABLED_STATE_ENABLED: 16730 if (!pkgSetting.enableComponentLPw(className, userId)) { 16731 return; 16732 } 16733 break; 16734 case COMPONENT_ENABLED_STATE_DISABLED: 16735 if (!pkgSetting.disableComponentLPw(className, userId)) { 16736 return; 16737 } 16738 break; 16739 case COMPONENT_ENABLED_STATE_DEFAULT: 16740 if (!pkgSetting.restoreComponentLPw(className, userId)) { 16741 return; 16742 } 16743 break; 16744 default: 16745 Slog.e(TAG, "Invalid new component state: " + newState); 16746 return; 16747 } 16748 } 16749 scheduleWritePackageRestrictionsLocked(userId); 16750 components = mPendingBroadcasts.get(userId, packageName); 16751 final boolean newPackage = components == null; 16752 if (newPackage) { 16753 components = new ArrayList<String>(); 16754 } 16755 if (!components.contains(componentName)) { 16756 components.add(componentName); 16757 } 16758 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 16759 sendNow = true; 16760 // Purge entry from pending broadcast list if another one exists already 16761 // since we are sending one right away. 16762 mPendingBroadcasts.remove(userId, packageName); 16763 } else { 16764 if (newPackage) { 16765 mPendingBroadcasts.put(userId, packageName, components); 16766 } 16767 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 16768 // Schedule a message 16769 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 16770 } 16771 } 16772 } 16773 16774 long callingId = Binder.clearCallingIdentity(); 16775 try { 16776 if (sendNow) { 16777 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 16778 sendPackageChangedBroadcast(packageName, 16779 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 16780 } 16781 } finally { 16782 Binder.restoreCallingIdentity(callingId); 16783 } 16784 } 16785 16786 @Override 16787 public void flushPackageRestrictionsAsUser(int userId) { 16788 if (!sUserManager.exists(userId)) { 16789 return; 16790 } 16791 enforceCrossUserPermission(Binder.getCallingUid(), userId, false /* requireFullPermission*/, 16792 false /* checkShell */, "flushPackageRestrictions"); 16793 synchronized (mPackages) { 16794 mSettings.writePackageRestrictionsLPr(userId); 16795 mDirtyUsers.remove(userId); 16796 if (mDirtyUsers.isEmpty()) { 16797 mHandler.removeMessages(WRITE_PACKAGE_RESTRICTIONS); 16798 } 16799 } 16800 } 16801 16802 private void sendPackageChangedBroadcast(String packageName, 16803 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 16804 if (DEBUG_INSTALL) 16805 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 16806 + componentNames); 16807 Bundle extras = new Bundle(4); 16808 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 16809 String nameList[] = new String[componentNames.size()]; 16810 componentNames.toArray(nameList); 16811 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 16812 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 16813 extras.putInt(Intent.EXTRA_UID, packageUid); 16814 // If this is not reporting a change of the overall package, then only send it 16815 // to registered receivers. We don't want to launch a swath of apps for every 16816 // little component state change. 16817 final int flags = !componentNames.contains(packageName) 16818 ? Intent.FLAG_RECEIVER_REGISTERED_ONLY : 0; 16819 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, flags, null, null, 16820 new int[] {UserHandle.getUserId(packageUid)}); 16821 } 16822 16823 @Override 16824 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 16825 if (!sUserManager.exists(userId)) return; 16826 final int uid = Binder.getCallingUid(); 16827 final int permission = mContext.checkCallingOrSelfPermission( 16828 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 16829 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 16830 enforceCrossUserPermission(uid, userId, 16831 true /* requireFullPermission */, true /* checkShell */, "stop package"); 16832 // writer 16833 synchronized (mPackages) { 16834 if (mSettings.setPackageStoppedStateLPw(this, packageName, stopped, 16835 allowedByPermission, uid, userId)) { 16836 scheduleWritePackageRestrictionsLocked(userId); 16837 } 16838 } 16839 } 16840 16841 @Override 16842 public String getInstallerPackageName(String packageName) { 16843 // reader 16844 synchronized (mPackages) { 16845 return mSettings.getInstallerPackageNameLPr(packageName); 16846 } 16847 } 16848 16849 @Override 16850 public int getApplicationEnabledSetting(String packageName, int userId) { 16851 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 16852 int uid = Binder.getCallingUid(); 16853 enforceCrossUserPermission(uid, userId, 16854 false /* requireFullPermission */, false /* checkShell */, "get enabled"); 16855 // reader 16856 synchronized (mPackages) { 16857 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 16858 } 16859 } 16860 16861 @Override 16862 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 16863 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 16864 int uid = Binder.getCallingUid(); 16865 enforceCrossUserPermission(uid, userId, 16866 false /* requireFullPermission */, false /* checkShell */, "get component enabled"); 16867 // reader 16868 synchronized (mPackages) { 16869 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 16870 } 16871 } 16872 16873 @Override 16874 public void enterSafeMode() { 16875 enforceSystemOrRoot("Only the system can request entering safe mode"); 16876 16877 if (!mSystemReady) { 16878 mSafeMode = true; 16879 } 16880 } 16881 16882 @Override 16883 public void systemReady() { 16884 mSystemReady = true; 16885 16886 // Read the compatibilty setting when the system is ready. 16887 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 16888 mContext.getContentResolver(), 16889 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 16890 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 16891 if (DEBUG_SETTINGS) { 16892 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 16893 } 16894 16895 int[] grantPermissionsUserIds = EMPTY_INT_ARRAY; 16896 16897 synchronized (mPackages) { 16898 // Verify that all of the preferred activity components actually 16899 // exist. It is possible for applications to be updated and at 16900 // that point remove a previously declared activity component that 16901 // had been set as a preferred activity. We try to clean this up 16902 // the next time we encounter that preferred activity, but it is 16903 // possible for the user flow to never be able to return to that 16904 // situation so here we do a sanity check to make sure we haven't 16905 // left any junk around. 16906 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 16907 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 16908 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 16909 removed.clear(); 16910 for (PreferredActivity pa : pir.filterSet()) { 16911 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 16912 removed.add(pa); 16913 } 16914 } 16915 if (removed.size() > 0) { 16916 for (int r=0; r<removed.size(); r++) { 16917 PreferredActivity pa = removed.get(r); 16918 Slog.w(TAG, "Removing dangling preferred activity: " 16919 + pa.mPref.mComponent); 16920 pir.removeFilter(pa); 16921 } 16922 mSettings.writePackageRestrictionsLPr( 16923 mSettings.mPreferredActivities.keyAt(i)); 16924 } 16925 } 16926 16927 for (int userId : UserManagerService.getInstance().getUserIds()) { 16928 if (!mSettings.areDefaultRuntimePermissionsGrantedLPr(userId)) { 16929 grantPermissionsUserIds = ArrayUtils.appendInt( 16930 grantPermissionsUserIds, userId); 16931 } 16932 } 16933 } 16934 sUserManager.systemReady(); 16935 16936 // If we upgraded grant all default permissions before kicking off. 16937 for (int userId : grantPermissionsUserIds) { 16938 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 16939 } 16940 16941 // Kick off any messages waiting for system ready 16942 if (mPostSystemReadyMessages != null) { 16943 for (Message msg : mPostSystemReadyMessages) { 16944 msg.sendToTarget(); 16945 } 16946 mPostSystemReadyMessages = null; 16947 } 16948 16949 // Watch for external volumes that come and go over time 16950 final StorageManager storage = mContext.getSystemService(StorageManager.class); 16951 storage.registerListener(mStorageListener); 16952 16953 mInstallerService.systemReady(); 16954 mPackageDexOptimizer.systemReady(); 16955 16956 MountServiceInternal mountServiceInternal = LocalServices.getService( 16957 MountServiceInternal.class); 16958 mountServiceInternal.addExternalStoragePolicy( 16959 new MountServiceInternal.ExternalStorageMountPolicy() { 16960 @Override 16961 public int getMountMode(int uid, String packageName) { 16962 if (Process.isIsolated(uid)) { 16963 return Zygote.MOUNT_EXTERNAL_NONE; 16964 } 16965 if (checkUidPermission(WRITE_MEDIA_STORAGE, uid) == PERMISSION_GRANTED) { 16966 return Zygote.MOUNT_EXTERNAL_DEFAULT; 16967 } 16968 if (checkUidPermission(READ_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 16969 return Zygote.MOUNT_EXTERNAL_DEFAULT; 16970 } 16971 if (checkUidPermission(WRITE_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 16972 return Zygote.MOUNT_EXTERNAL_READ; 16973 } 16974 return Zygote.MOUNT_EXTERNAL_WRITE; 16975 } 16976 16977 @Override 16978 public boolean hasExternalStorage(int uid, String packageName) { 16979 return true; 16980 } 16981 }); 16982 } 16983 16984 @Override 16985 public boolean isSafeMode() { 16986 return mSafeMode; 16987 } 16988 16989 @Override 16990 public boolean hasSystemUidErrors() { 16991 return mHasSystemUidErrors; 16992 } 16993 16994 static String arrayToString(int[] array) { 16995 StringBuffer buf = new StringBuffer(128); 16996 buf.append('['); 16997 if (array != null) { 16998 for (int i=0; i<array.length; i++) { 16999 if (i > 0) buf.append(", "); 17000 buf.append(array[i]); 17001 } 17002 } 17003 buf.append(']'); 17004 return buf.toString(); 17005 } 17006 17007 static class DumpState { 17008 public static final int DUMP_LIBS = 1 << 0; 17009 public static final int DUMP_FEATURES = 1 << 1; 17010 public static final int DUMP_ACTIVITY_RESOLVERS = 1 << 2; 17011 public static final int DUMP_SERVICE_RESOLVERS = 1 << 3; 17012 public static final int DUMP_RECEIVER_RESOLVERS = 1 << 4; 17013 public static final int DUMP_CONTENT_RESOLVERS = 1 << 5; 17014 public static final int DUMP_PERMISSIONS = 1 << 6; 17015 public static final int DUMP_PACKAGES = 1 << 7; 17016 public static final int DUMP_SHARED_USERS = 1 << 8; 17017 public static final int DUMP_MESSAGES = 1 << 9; 17018 public static final int DUMP_PROVIDERS = 1 << 10; 17019 public static final int DUMP_VERIFIERS = 1 << 11; 17020 public static final int DUMP_PREFERRED = 1 << 12; 17021 public static final int DUMP_PREFERRED_XML = 1 << 13; 17022 public static final int DUMP_KEYSETS = 1 << 14; 17023 public static final int DUMP_VERSION = 1 << 15; 17024 public static final int DUMP_INSTALLS = 1 << 16; 17025 public static final int DUMP_INTENT_FILTER_VERIFIERS = 1 << 17; 17026 public static final int DUMP_DOMAIN_PREFERRED = 1 << 18; 17027 17028 public static final int OPTION_SHOW_FILTERS = 1 << 0; 17029 17030 private int mTypes; 17031 17032 private int mOptions; 17033 17034 private boolean mTitlePrinted; 17035 17036 private SharedUserSetting mSharedUser; 17037 17038 public boolean isDumping(int type) { 17039 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 17040 return true; 17041 } 17042 17043 return (mTypes & type) != 0; 17044 } 17045 17046 public void setDump(int type) { 17047 mTypes |= type; 17048 } 17049 17050 public boolean isOptionEnabled(int option) { 17051 return (mOptions & option) != 0; 17052 } 17053 17054 public void setOptionEnabled(int option) { 17055 mOptions |= option; 17056 } 17057 17058 public boolean onTitlePrinted() { 17059 final boolean printed = mTitlePrinted; 17060 mTitlePrinted = true; 17061 return printed; 17062 } 17063 17064 public boolean getTitlePrinted() { 17065 return mTitlePrinted; 17066 } 17067 17068 public void setTitlePrinted(boolean enabled) { 17069 mTitlePrinted = enabled; 17070 } 17071 17072 public SharedUserSetting getSharedUser() { 17073 return mSharedUser; 17074 } 17075 17076 public void setSharedUser(SharedUserSetting user) { 17077 mSharedUser = user; 17078 } 17079 } 17080 17081 @Override 17082 public void onShellCommand(FileDescriptor in, FileDescriptor out, 17083 FileDescriptor err, String[] args, ResultReceiver resultReceiver) { 17084 (new PackageManagerShellCommand(this)).exec( 17085 this, in, out, err, args, resultReceiver); 17086 } 17087 17088 @Override 17089 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 17090 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 17091 != PackageManager.PERMISSION_GRANTED) { 17092 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 17093 + Binder.getCallingPid() 17094 + ", uid=" + Binder.getCallingUid() 17095 + " without permission " 17096 + android.Manifest.permission.DUMP); 17097 return; 17098 } 17099 17100 DumpState dumpState = new DumpState(); 17101 boolean fullPreferred = false; 17102 boolean checkin = false; 17103 17104 String packageName = null; 17105 ArraySet<String> permissionNames = null; 17106 17107 int opti = 0; 17108 while (opti < args.length) { 17109 String opt = args[opti]; 17110 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 17111 break; 17112 } 17113 opti++; 17114 17115 if ("-a".equals(opt)) { 17116 // Right now we only know how to print all. 17117 } else if ("-h".equals(opt)) { 17118 pw.println("Package manager dump options:"); 17119 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 17120 pw.println(" --checkin: dump for a checkin"); 17121 pw.println(" -f: print details of intent filters"); 17122 pw.println(" -h: print this help"); 17123 pw.println(" cmd may be one of:"); 17124 pw.println(" l[ibraries]: list known shared libraries"); 17125 pw.println(" f[eatures]: list device features"); 17126 pw.println(" k[eysets]: print known keysets"); 17127 pw.println(" r[esolvers] [activity|service|receiver|content]: dump intent resolvers"); 17128 pw.println(" perm[issions]: dump permissions"); 17129 pw.println(" permission [name ...]: dump declaration and use of given permission"); 17130 pw.println(" pref[erred]: print preferred package settings"); 17131 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 17132 pw.println(" prov[iders]: dump content providers"); 17133 pw.println(" p[ackages]: dump installed packages"); 17134 pw.println(" s[hared-users]: dump shared user IDs"); 17135 pw.println(" m[essages]: print collected runtime messages"); 17136 pw.println(" v[erifiers]: print package verifier info"); 17137 pw.println(" d[omain-preferred-apps]: print domains preferred apps"); 17138 pw.println(" i[ntent-filter-verifiers]|ifv: print intent filter verifier info"); 17139 pw.println(" version: print database version info"); 17140 pw.println(" write: write current settings now"); 17141 pw.println(" installs: details about install sessions"); 17142 pw.println(" check-permission <permission> <package> [<user>]: does pkg hold perm?"); 17143 pw.println(" <package.name>: info about given package"); 17144 return; 17145 } else if ("--checkin".equals(opt)) { 17146 checkin = true; 17147 } else if ("-f".equals(opt)) { 17148 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 17149 } else { 17150 pw.println("Unknown argument: " + opt + "; use -h for help"); 17151 } 17152 } 17153 17154 // Is the caller requesting to dump a particular piece of data? 17155 if (opti < args.length) { 17156 String cmd = args[opti]; 17157 opti++; 17158 // Is this a package name? 17159 if ("android".equals(cmd) || cmd.contains(".")) { 17160 packageName = cmd; 17161 // When dumping a single package, we always dump all of its 17162 // filter information since the amount of data will be reasonable. 17163 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 17164 } else if ("check-permission".equals(cmd)) { 17165 if (opti >= args.length) { 17166 pw.println("Error: check-permission missing permission argument"); 17167 return; 17168 } 17169 String perm = args[opti]; 17170 opti++; 17171 if (opti >= args.length) { 17172 pw.println("Error: check-permission missing package argument"); 17173 return; 17174 } 17175 String pkg = args[opti]; 17176 opti++; 17177 int user = UserHandle.getUserId(Binder.getCallingUid()); 17178 if (opti < args.length) { 17179 try { 17180 user = Integer.parseInt(args[opti]); 17181 } catch (NumberFormatException e) { 17182 pw.println("Error: check-permission user argument is not a number: " 17183 + args[opti]); 17184 return; 17185 } 17186 } 17187 pw.println(checkPermission(perm, pkg, user)); 17188 return; 17189 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 17190 dumpState.setDump(DumpState.DUMP_LIBS); 17191 } else if ("f".equals(cmd) || "features".equals(cmd)) { 17192 dumpState.setDump(DumpState.DUMP_FEATURES); 17193 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 17194 if (opti >= args.length) { 17195 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS 17196 | DumpState.DUMP_SERVICE_RESOLVERS 17197 | DumpState.DUMP_RECEIVER_RESOLVERS 17198 | DumpState.DUMP_CONTENT_RESOLVERS); 17199 } else { 17200 while (opti < args.length) { 17201 String name = args[opti]; 17202 if ("a".equals(name) || "activity".equals(name)) { 17203 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS); 17204 } else if ("s".equals(name) || "service".equals(name)) { 17205 dumpState.setDump(DumpState.DUMP_SERVICE_RESOLVERS); 17206 } else if ("r".equals(name) || "receiver".equals(name)) { 17207 dumpState.setDump(DumpState.DUMP_RECEIVER_RESOLVERS); 17208 } else if ("c".equals(name) || "content".equals(name)) { 17209 dumpState.setDump(DumpState.DUMP_CONTENT_RESOLVERS); 17210 } else { 17211 pw.println("Error: unknown resolver table type: " + name); 17212 return; 17213 } 17214 opti++; 17215 } 17216 } 17217 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 17218 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 17219 } else if ("permission".equals(cmd)) { 17220 if (opti >= args.length) { 17221 pw.println("Error: permission requires permission name"); 17222 return; 17223 } 17224 permissionNames = new ArraySet<>(); 17225 while (opti < args.length) { 17226 permissionNames.add(args[opti]); 17227 opti++; 17228 } 17229 dumpState.setDump(DumpState.DUMP_PERMISSIONS 17230 | DumpState.DUMP_PACKAGES | DumpState.DUMP_SHARED_USERS); 17231 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 17232 dumpState.setDump(DumpState.DUMP_PREFERRED); 17233 } else if ("preferred-xml".equals(cmd)) { 17234 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 17235 if (opti < args.length && "--full".equals(args[opti])) { 17236 fullPreferred = true; 17237 opti++; 17238 } 17239 } else if ("d".equals(cmd) || "domain-preferred-apps".equals(cmd)) { 17240 dumpState.setDump(DumpState.DUMP_DOMAIN_PREFERRED); 17241 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 17242 dumpState.setDump(DumpState.DUMP_PACKAGES); 17243 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 17244 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 17245 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 17246 dumpState.setDump(DumpState.DUMP_PROVIDERS); 17247 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 17248 dumpState.setDump(DumpState.DUMP_MESSAGES); 17249 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 17250 dumpState.setDump(DumpState.DUMP_VERIFIERS); 17251 } else if ("i".equals(cmd) || "ifv".equals(cmd) 17252 || "intent-filter-verifiers".equals(cmd)) { 17253 dumpState.setDump(DumpState.DUMP_INTENT_FILTER_VERIFIERS); 17254 } else if ("version".equals(cmd)) { 17255 dumpState.setDump(DumpState.DUMP_VERSION); 17256 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 17257 dumpState.setDump(DumpState.DUMP_KEYSETS); 17258 } else if ("installs".equals(cmd)) { 17259 dumpState.setDump(DumpState.DUMP_INSTALLS); 17260 } else if ("write".equals(cmd)) { 17261 synchronized (mPackages) { 17262 mSettings.writeLPr(); 17263 pw.println("Settings written."); 17264 return; 17265 } 17266 } 17267 } 17268 17269 if (checkin) { 17270 pw.println("vers,1"); 17271 } 17272 17273 // reader 17274 synchronized (mPackages) { 17275 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 17276 if (!checkin) { 17277 if (dumpState.onTitlePrinted()) 17278 pw.println(); 17279 pw.println("Database versions:"); 17280 mSettings.dumpVersionLPr(new IndentingPrintWriter(pw, " ")); 17281 } 17282 } 17283 17284 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 17285 if (!checkin) { 17286 if (dumpState.onTitlePrinted()) 17287 pw.println(); 17288 pw.println("Verifiers:"); 17289 pw.print(" Required: "); 17290 pw.print(mRequiredVerifierPackage); 17291 pw.print(" (uid="); 17292 pw.print(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 17293 UserHandle.USER_SYSTEM)); 17294 pw.println(")"); 17295 } else if (mRequiredVerifierPackage != null) { 17296 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 17297 pw.print(","); 17298 pw.println(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 17299 UserHandle.USER_SYSTEM)); 17300 } 17301 } 17302 17303 if (dumpState.isDumping(DumpState.DUMP_INTENT_FILTER_VERIFIERS) && 17304 packageName == null) { 17305 if (mIntentFilterVerifierComponent != null) { 17306 String verifierPackageName = mIntentFilterVerifierComponent.getPackageName(); 17307 if (!checkin) { 17308 if (dumpState.onTitlePrinted()) 17309 pw.println(); 17310 pw.println("Intent Filter Verifier:"); 17311 pw.print(" Using: "); 17312 pw.print(verifierPackageName); 17313 pw.print(" (uid="); 17314 pw.print(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 17315 UserHandle.USER_SYSTEM)); 17316 pw.println(")"); 17317 } else if (verifierPackageName != null) { 17318 pw.print("ifv,"); pw.print(verifierPackageName); 17319 pw.print(","); 17320 pw.println(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 17321 UserHandle.USER_SYSTEM)); 17322 } 17323 } else { 17324 pw.println(); 17325 pw.println("No Intent Filter Verifier available!"); 17326 } 17327 } 17328 17329 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 17330 boolean printedHeader = false; 17331 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 17332 while (it.hasNext()) { 17333 String name = it.next(); 17334 SharedLibraryEntry ent = mSharedLibraries.get(name); 17335 if (!checkin) { 17336 if (!printedHeader) { 17337 if (dumpState.onTitlePrinted()) 17338 pw.println(); 17339 pw.println("Libraries:"); 17340 printedHeader = true; 17341 } 17342 pw.print(" "); 17343 } else { 17344 pw.print("lib,"); 17345 } 17346 pw.print(name); 17347 if (!checkin) { 17348 pw.print(" -> "); 17349 } 17350 if (ent.path != null) { 17351 if (!checkin) { 17352 pw.print("(jar) "); 17353 pw.print(ent.path); 17354 } else { 17355 pw.print(",jar,"); 17356 pw.print(ent.path); 17357 } 17358 } else { 17359 if (!checkin) { 17360 pw.print("(apk) "); 17361 pw.print(ent.apk); 17362 } else { 17363 pw.print(",apk,"); 17364 pw.print(ent.apk); 17365 } 17366 } 17367 pw.println(); 17368 } 17369 } 17370 17371 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 17372 if (dumpState.onTitlePrinted()) 17373 pw.println(); 17374 if (!checkin) { 17375 pw.println("Features:"); 17376 } 17377 17378 for (FeatureInfo feat : mAvailableFeatures.values()) { 17379 if (checkin) { 17380 pw.print("feat,"); 17381 pw.print(feat.name); 17382 pw.print(","); 17383 pw.println(feat.version); 17384 } else { 17385 pw.print(" "); 17386 pw.print(feat.name); 17387 if (feat.version > 0) { 17388 pw.print(" version="); 17389 pw.print(feat.version); 17390 } 17391 pw.println(); 17392 } 17393 } 17394 } 17395 17396 if (!checkin && dumpState.isDumping(DumpState.DUMP_ACTIVITY_RESOLVERS)) { 17397 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 17398 : "Activity Resolver Table:", " ", packageName, 17399 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 17400 dumpState.setTitlePrinted(true); 17401 } 17402 } 17403 if (!checkin && dumpState.isDumping(DumpState.DUMP_RECEIVER_RESOLVERS)) { 17404 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 17405 : "Receiver Resolver Table:", " ", packageName, 17406 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 17407 dumpState.setTitlePrinted(true); 17408 } 17409 } 17410 if (!checkin && dumpState.isDumping(DumpState.DUMP_SERVICE_RESOLVERS)) { 17411 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 17412 : "Service Resolver Table:", " ", packageName, 17413 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 17414 dumpState.setTitlePrinted(true); 17415 } 17416 } 17417 if (!checkin && dumpState.isDumping(DumpState.DUMP_CONTENT_RESOLVERS)) { 17418 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 17419 : "Provider Resolver Table:", " ", packageName, 17420 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 17421 dumpState.setTitlePrinted(true); 17422 } 17423 } 17424 17425 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 17426 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 17427 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 17428 int user = mSettings.mPreferredActivities.keyAt(i); 17429 if (pir.dump(pw, 17430 dumpState.getTitlePrinted() 17431 ? "\nPreferred Activities User " + user + ":" 17432 : "Preferred Activities User " + user + ":", " ", 17433 packageName, true, false)) { 17434 dumpState.setTitlePrinted(true); 17435 } 17436 } 17437 } 17438 17439 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 17440 pw.flush(); 17441 FileOutputStream fout = new FileOutputStream(fd); 17442 BufferedOutputStream str = new BufferedOutputStream(fout); 17443 XmlSerializer serializer = new FastXmlSerializer(); 17444 try { 17445 serializer.setOutput(str, StandardCharsets.UTF_8.name()); 17446 serializer.startDocument(null, true); 17447 serializer.setFeature( 17448 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 17449 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 17450 serializer.endDocument(); 17451 serializer.flush(); 17452 } catch (IllegalArgumentException e) { 17453 pw.println("Failed writing: " + e); 17454 } catch (IllegalStateException e) { 17455 pw.println("Failed writing: " + e); 17456 } catch (IOException e) { 17457 pw.println("Failed writing: " + e); 17458 } 17459 } 17460 17461 if (!checkin 17462 && dumpState.isDumping(DumpState.DUMP_DOMAIN_PREFERRED) 17463 && packageName == null) { 17464 pw.println(); 17465 int count = mSettings.mPackages.size(); 17466 if (count == 0) { 17467 pw.println("No applications!"); 17468 pw.println(); 17469 } else { 17470 final String prefix = " "; 17471 Collection<PackageSetting> allPackageSettings = mSettings.mPackages.values(); 17472 if (allPackageSettings.size() == 0) { 17473 pw.println("No domain preferred apps!"); 17474 pw.println(); 17475 } else { 17476 pw.println("App verification status:"); 17477 pw.println(); 17478 count = 0; 17479 for (PackageSetting ps : allPackageSettings) { 17480 IntentFilterVerificationInfo ivi = ps.getIntentFilterVerificationInfo(); 17481 if (ivi == null || ivi.getPackageName() == null) continue; 17482 pw.println(prefix + "Package: " + ivi.getPackageName()); 17483 pw.println(prefix + "Domains: " + ivi.getDomainsString()); 17484 pw.println(prefix + "Status: " + ivi.getStatusString()); 17485 pw.println(); 17486 count++; 17487 } 17488 if (count == 0) { 17489 pw.println(prefix + "No app verification established."); 17490 pw.println(); 17491 } 17492 for (int userId : sUserManager.getUserIds()) { 17493 pw.println("App linkages for user " + userId + ":"); 17494 pw.println(); 17495 count = 0; 17496 for (PackageSetting ps : allPackageSettings) { 17497 final long status = ps.getDomainVerificationStatusForUser(userId); 17498 if (status >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 17499 continue; 17500 } 17501 pw.println(prefix + "Package: " + ps.name); 17502 pw.println(prefix + "Domains: " + dumpDomainString(ps.name)); 17503 String statusStr = IntentFilterVerificationInfo. 17504 getStatusStringFromValue(status); 17505 pw.println(prefix + "Status: " + statusStr); 17506 pw.println(); 17507 count++; 17508 } 17509 if (count == 0) { 17510 pw.println(prefix + "No configured app linkages."); 17511 pw.println(); 17512 } 17513 } 17514 } 17515 } 17516 } 17517 17518 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 17519 mSettings.dumpPermissionsLPr(pw, packageName, permissionNames, dumpState); 17520 if (packageName == null && permissionNames == null) { 17521 for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) { 17522 if (iperm == 0) { 17523 if (dumpState.onTitlePrinted()) 17524 pw.println(); 17525 pw.println("AppOp Permissions:"); 17526 } 17527 pw.print(" AppOp Permission "); 17528 pw.print(mAppOpPermissionPackages.keyAt(iperm)); 17529 pw.println(":"); 17530 ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm); 17531 for (int ipkg=0; ipkg<pkgs.size(); ipkg++) { 17532 pw.print(" "); pw.println(pkgs.valueAt(ipkg)); 17533 } 17534 } 17535 } 17536 } 17537 17538 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 17539 boolean printedSomething = false; 17540 for (PackageParser.Provider p : mProviders.mProviders.values()) { 17541 if (packageName != null && !packageName.equals(p.info.packageName)) { 17542 continue; 17543 } 17544 if (!printedSomething) { 17545 if (dumpState.onTitlePrinted()) 17546 pw.println(); 17547 pw.println("Registered ContentProviders:"); 17548 printedSomething = true; 17549 } 17550 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 17551 pw.print(" "); pw.println(p.toString()); 17552 } 17553 printedSomething = false; 17554 for (Map.Entry<String, PackageParser.Provider> entry : 17555 mProvidersByAuthority.entrySet()) { 17556 PackageParser.Provider p = entry.getValue(); 17557 if (packageName != null && !packageName.equals(p.info.packageName)) { 17558 continue; 17559 } 17560 if (!printedSomething) { 17561 if (dumpState.onTitlePrinted()) 17562 pw.println(); 17563 pw.println("ContentProvider Authorities:"); 17564 printedSomething = true; 17565 } 17566 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 17567 pw.print(" "); pw.println(p.toString()); 17568 if (p.info != null && p.info.applicationInfo != null) { 17569 final String appInfo = p.info.applicationInfo.toString(); 17570 pw.print(" applicationInfo="); pw.println(appInfo); 17571 } 17572 } 17573 } 17574 17575 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 17576 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 17577 } 17578 17579 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 17580 mSettings.dumpPackagesLPr(pw, packageName, permissionNames, dumpState, checkin); 17581 } 17582 17583 if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 17584 mSettings.dumpSharedUsersLPr(pw, packageName, permissionNames, dumpState, checkin); 17585 } 17586 17587 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS) && packageName == null) { 17588 mSettings.dumpRestoredPermissionGrantsLPr(pw, dumpState); 17589 } 17590 17591 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) { 17592 // XXX should handle packageName != null by dumping only install data that 17593 // the given package is involved with. 17594 if (dumpState.onTitlePrinted()) pw.println(); 17595 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 17596 } 17597 17598 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 17599 if (dumpState.onTitlePrinted()) pw.println(); 17600 mSettings.dumpReadMessagesLPr(pw, dumpState); 17601 17602 pw.println(); 17603 pw.println("Package warning messages:"); 17604 BufferedReader in = null; 17605 String line = null; 17606 try { 17607 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 17608 while ((line = in.readLine()) != null) { 17609 if (line.contains("ignored: updated version")) continue; 17610 pw.println(line); 17611 } 17612 } catch (IOException ignored) { 17613 } finally { 17614 IoUtils.closeQuietly(in); 17615 } 17616 } 17617 17618 if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) { 17619 BufferedReader in = null; 17620 String line = null; 17621 try { 17622 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 17623 while ((line = in.readLine()) != null) { 17624 if (line.contains("ignored: updated version")) continue; 17625 pw.print("msg,"); 17626 pw.println(line); 17627 } 17628 } catch (IOException ignored) { 17629 } finally { 17630 IoUtils.closeQuietly(in); 17631 } 17632 } 17633 } 17634 } 17635 17636 private String dumpDomainString(String packageName) { 17637 List<IntentFilterVerificationInfo> iviList = getIntentFilterVerifications(packageName) 17638 .getList(); 17639 List<IntentFilter> filters = getAllIntentFilters(packageName).getList(); 17640 17641 ArraySet<String> result = new ArraySet<>(); 17642 if (iviList.size() > 0) { 17643 for (IntentFilterVerificationInfo ivi : iviList) { 17644 for (String host : ivi.getDomains()) { 17645 result.add(host); 17646 } 17647 } 17648 } 17649 if (filters != null && filters.size() > 0) { 17650 for (IntentFilter filter : filters) { 17651 if (filter.hasCategory(Intent.CATEGORY_BROWSABLE) 17652 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 17653 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS))) { 17654 result.addAll(filter.getHostsList()); 17655 } 17656 } 17657 } 17658 17659 StringBuilder sb = new StringBuilder(result.size() * 16); 17660 for (String domain : result) { 17661 if (sb.length() > 0) sb.append(" "); 17662 sb.append(domain); 17663 } 17664 return sb.toString(); 17665 } 17666 17667 // ------- apps on sdcard specific code ------- 17668 static final boolean DEBUG_SD_INSTALL = false; 17669 17670 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 17671 17672 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 17673 17674 private boolean mMediaMounted = false; 17675 17676 static String getEncryptKey() { 17677 try { 17678 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 17679 SD_ENCRYPTION_KEYSTORE_NAME); 17680 if (sdEncKey == null) { 17681 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 17682 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 17683 if (sdEncKey == null) { 17684 Slog.e(TAG, "Failed to create encryption keys"); 17685 return null; 17686 } 17687 } 17688 return sdEncKey; 17689 } catch (NoSuchAlgorithmException nsae) { 17690 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 17691 return null; 17692 } catch (IOException ioe) { 17693 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 17694 return null; 17695 } 17696 } 17697 17698 /* 17699 * Update media status on PackageManager. 17700 */ 17701 @Override 17702 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 17703 int callingUid = Binder.getCallingUid(); 17704 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 17705 throw new SecurityException("Media status can only be updated by the system"); 17706 } 17707 // reader; this apparently protects mMediaMounted, but should probably 17708 // be a different lock in that case. 17709 synchronized (mPackages) { 17710 Log.i(TAG, "Updating external media status from " 17711 + (mMediaMounted ? "mounted" : "unmounted") + " to " 17712 + (mediaStatus ? "mounted" : "unmounted")); 17713 if (DEBUG_SD_INSTALL) 17714 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 17715 + ", mMediaMounted=" + mMediaMounted); 17716 if (mediaStatus == mMediaMounted) { 17717 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 17718 : 0, -1); 17719 mHandler.sendMessage(msg); 17720 return; 17721 } 17722 mMediaMounted = mediaStatus; 17723 } 17724 // Queue up an async operation since the package installation may take a 17725 // little while. 17726 mHandler.post(new Runnable() { 17727 public void run() { 17728 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 17729 } 17730 }); 17731 } 17732 17733 /** 17734 * Called by MountService when the initial ASECs to scan are available. 17735 * Should block until all the ASEC containers are finished being scanned. 17736 */ 17737 public void scanAvailableAsecs() { 17738 updateExternalMediaStatusInner(true, false, false); 17739 } 17740 17741 /* 17742 * Collect information of applications on external media, map them against 17743 * existing containers and update information based on current mount status. 17744 * Please note that we always have to report status if reportStatus has been 17745 * set to true especially when unloading packages. 17746 */ 17747 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 17748 boolean externalStorage) { 17749 ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>(); 17750 int[] uidArr = EmptyArray.INT; 17751 17752 final String[] list = PackageHelper.getSecureContainerList(); 17753 if (ArrayUtils.isEmpty(list)) { 17754 Log.i(TAG, "No secure containers found"); 17755 } else { 17756 // Process list of secure containers and categorize them 17757 // as active or stale based on their package internal state. 17758 17759 // reader 17760 synchronized (mPackages) { 17761 for (String cid : list) { 17762 // Leave stages untouched for now; installer service owns them 17763 if (PackageInstallerService.isStageName(cid)) continue; 17764 17765 if (DEBUG_SD_INSTALL) 17766 Log.i(TAG, "Processing container " + cid); 17767 String pkgName = getAsecPackageName(cid); 17768 if (pkgName == null) { 17769 Slog.i(TAG, "Found stale container " + cid + " with no package name"); 17770 continue; 17771 } 17772 if (DEBUG_SD_INSTALL) 17773 Log.i(TAG, "Looking for pkg : " + pkgName); 17774 17775 final PackageSetting ps = mSettings.mPackages.get(pkgName); 17776 if (ps == null) { 17777 Slog.i(TAG, "Found stale container " + cid + " with no matching settings"); 17778 continue; 17779 } 17780 17781 /* 17782 * Skip packages that are not external if we're unmounting 17783 * external storage. 17784 */ 17785 if (externalStorage && !isMounted && !isExternal(ps)) { 17786 continue; 17787 } 17788 17789 final AsecInstallArgs args = new AsecInstallArgs(cid, 17790 getAppDexInstructionSets(ps), ps.isForwardLocked()); 17791 // The package status is changed only if the code path 17792 // matches between settings and the container id. 17793 if (ps.codePathString != null 17794 && ps.codePathString.startsWith(args.getCodePath())) { 17795 if (DEBUG_SD_INSTALL) { 17796 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 17797 + " at code path: " + ps.codePathString); 17798 } 17799 17800 // We do have a valid package installed on sdcard 17801 processCids.put(args, ps.codePathString); 17802 final int uid = ps.appId; 17803 if (uid != -1) { 17804 uidArr = ArrayUtils.appendInt(uidArr, uid); 17805 } 17806 } else { 17807 Slog.i(TAG, "Found stale container " + cid + ": expected codePath=" 17808 + ps.codePathString); 17809 } 17810 } 17811 } 17812 17813 Arrays.sort(uidArr); 17814 } 17815 17816 // Process packages with valid entries. 17817 if (isMounted) { 17818 if (DEBUG_SD_INSTALL) 17819 Log.i(TAG, "Loading packages"); 17820 loadMediaPackages(processCids, uidArr, externalStorage); 17821 startCleaningPackages(); 17822 mInstallerService.onSecureContainersAvailable(); 17823 } else { 17824 if (DEBUG_SD_INSTALL) 17825 Log.i(TAG, "Unloading packages"); 17826 unloadMediaPackages(processCids, uidArr, reportStatus); 17827 } 17828 } 17829 17830 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 17831 ArrayList<ApplicationInfo> infos, IIntentReceiver finishedReceiver) { 17832 final int size = infos.size(); 17833 final String[] packageNames = new String[size]; 17834 final int[] packageUids = new int[size]; 17835 for (int i = 0; i < size; i++) { 17836 final ApplicationInfo info = infos.get(i); 17837 packageNames[i] = info.packageName; 17838 packageUids[i] = info.uid; 17839 } 17840 sendResourcesChangedBroadcast(mediaStatus, replacing, packageNames, packageUids, 17841 finishedReceiver); 17842 } 17843 17844 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 17845 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 17846 sendResourcesChangedBroadcast(mediaStatus, replacing, 17847 pkgList.toArray(new String[pkgList.size()]), uidArr, finishedReceiver); 17848 } 17849 17850 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 17851 String[] pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 17852 int size = pkgList.length; 17853 if (size > 0) { 17854 // Send broadcasts here 17855 Bundle extras = new Bundle(); 17856 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 17857 if (uidArr != null) { 17858 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 17859 } 17860 if (replacing) { 17861 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 17862 } 17863 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 17864 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 17865 sendPackageBroadcast(action, null, extras, 0, null, finishedReceiver, null); 17866 } 17867 } 17868 17869 /* 17870 * Look at potentially valid container ids from processCids If package 17871 * information doesn't match the one on record or package scanning fails, 17872 * the cid is added to list of removeCids. We currently don't delete stale 17873 * containers. 17874 */ 17875 private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr, 17876 boolean externalStorage) { 17877 ArrayList<String> pkgList = new ArrayList<String>(); 17878 Set<AsecInstallArgs> keys = processCids.keySet(); 17879 17880 for (AsecInstallArgs args : keys) { 17881 String codePath = processCids.get(args); 17882 if (DEBUG_SD_INSTALL) 17883 Log.i(TAG, "Loading container : " + args.cid); 17884 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 17885 try { 17886 // Make sure there are no container errors first. 17887 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 17888 Slog.e(TAG, "Failed to mount cid : " + args.cid 17889 + " when installing from sdcard"); 17890 continue; 17891 } 17892 // Check code path here. 17893 if (codePath == null || !codePath.startsWith(args.getCodePath())) { 17894 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 17895 + " does not match one in settings " + codePath); 17896 continue; 17897 } 17898 // Parse package 17899 int parseFlags = mDefParseFlags; 17900 if (args.isExternalAsec()) { 17901 parseFlags |= PackageParser.PARSE_EXTERNAL_STORAGE; 17902 } 17903 if (args.isFwdLocked()) { 17904 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 17905 } 17906 17907 synchronized (mInstallLock) { 17908 PackageParser.Package pkg = null; 17909 try { 17910 pkg = scanPackageTracedLI(new File(codePath), parseFlags, 0, 0, null); 17911 } catch (PackageManagerException e) { 17912 Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage()); 17913 } 17914 // Scan the package 17915 if (pkg != null) { 17916 /* 17917 * TODO why is the lock being held? doPostInstall is 17918 * called in other places without the lock. This needs 17919 * to be straightened out. 17920 */ 17921 // writer 17922 synchronized (mPackages) { 17923 retCode = PackageManager.INSTALL_SUCCEEDED; 17924 pkgList.add(pkg.packageName); 17925 // Post process args 17926 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 17927 pkg.applicationInfo.uid); 17928 } 17929 } else { 17930 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 17931 } 17932 } 17933 17934 } finally { 17935 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 17936 Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode); 17937 } 17938 } 17939 } 17940 // writer 17941 synchronized (mPackages) { 17942 // If the platform SDK has changed since the last time we booted, 17943 // we need to re-grant app permission to catch any new ones that 17944 // appear. This is really a hack, and means that apps can in some 17945 // cases get permissions that the user didn't initially explicitly 17946 // allow... it would be nice to have some better way to handle 17947 // this situation. 17948 final VersionInfo ver = externalStorage ? mSettings.getExternalVersion() 17949 : mSettings.getInternalVersion(); 17950 final String volumeUuid = externalStorage ? StorageManager.UUID_PRIMARY_PHYSICAL 17951 : StorageManager.UUID_PRIVATE_INTERNAL; 17952 17953 int updateFlags = UPDATE_PERMISSIONS_ALL; 17954 if (ver.sdkVersion != mSdkVersion) { 17955 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 17956 + mSdkVersion + "; regranting permissions for external"); 17957 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 17958 } 17959 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 17960 17961 // Yay, everything is now upgraded 17962 ver.forceCurrent(); 17963 17964 // can downgrade to reader 17965 // Persist settings 17966 mSettings.writeLPr(); 17967 } 17968 // Send a broadcast to let everyone know we are done processing 17969 if (pkgList.size() > 0) { 17970 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 17971 } 17972 } 17973 17974 /* 17975 * Utility method to unload a list of specified containers 17976 */ 17977 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 17978 // Just unmount all valid containers. 17979 for (AsecInstallArgs arg : cidArgs) { 17980 synchronized (mInstallLock) { 17981 arg.doPostDeleteLI(false); 17982 } 17983 } 17984 } 17985 17986 /* 17987 * Unload packages mounted on external media. This involves deleting package 17988 * data from internal structures, sending broadcasts about disabled packages, 17989 * gc'ing to free up references, unmounting all secure containers 17990 * corresponding to packages on external media, and posting a 17991 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 17992 * that we always have to post this message if status has been requested no 17993 * matter what. 17994 */ 17995 private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[], 17996 final boolean reportStatus) { 17997 if (DEBUG_SD_INSTALL) 17998 Log.i(TAG, "unloading media packages"); 17999 ArrayList<String> pkgList = new ArrayList<String>(); 18000 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 18001 final Set<AsecInstallArgs> keys = processCids.keySet(); 18002 for (AsecInstallArgs args : keys) { 18003 String pkgName = args.getPackageName(); 18004 if (DEBUG_SD_INSTALL) 18005 Log.i(TAG, "Trying to unload pkg : " + pkgName); 18006 // Delete package internally 18007 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 18008 synchronized (mInstallLock) { 18009 boolean res = deletePackageLI(pkgName, null, false, null, 18010 PackageManager.DELETE_KEEP_DATA, outInfo, false, null); 18011 if (res) { 18012 pkgList.add(pkgName); 18013 } else { 18014 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 18015 failedList.add(args); 18016 } 18017 } 18018 } 18019 18020 // reader 18021 synchronized (mPackages) { 18022 // We didn't update the settings after removing each package; 18023 // write them now for all packages. 18024 mSettings.writeLPr(); 18025 } 18026 18027 // We have to absolutely send UPDATED_MEDIA_STATUS only 18028 // after confirming that all the receivers processed the ordered 18029 // broadcast when packages get disabled, force a gc to clean things up. 18030 // and unload all the containers. 18031 if (pkgList.size() > 0) { 18032 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 18033 new IIntentReceiver.Stub() { 18034 public void performReceive(Intent intent, int resultCode, String data, 18035 Bundle extras, boolean ordered, boolean sticky, 18036 int sendingUser) throws RemoteException { 18037 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 18038 reportStatus ? 1 : 0, 1, keys); 18039 mHandler.sendMessage(msg); 18040 } 18041 }); 18042 } else { 18043 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 18044 keys); 18045 mHandler.sendMessage(msg); 18046 } 18047 } 18048 18049 private void loadPrivatePackages(final VolumeInfo vol) { 18050 mHandler.post(new Runnable() { 18051 @Override 18052 public void run() { 18053 loadPrivatePackagesInner(vol); 18054 } 18055 }); 18056 } 18057 18058 private void loadPrivatePackagesInner(VolumeInfo vol) { 18059 final String volumeUuid = vol.fsUuid; 18060 if (TextUtils.isEmpty(volumeUuid)) { 18061 Slog.e(TAG, "Loading internal storage is probably a mistake; ignoring"); 18062 return; 18063 } 18064 18065 final ArrayList<ApplicationInfo> loaded = new ArrayList<>(); 18066 final int parseFlags = mDefParseFlags | PackageParser.PARSE_EXTERNAL_STORAGE; 18067 18068 final VersionInfo ver; 18069 final List<PackageSetting> packages; 18070 synchronized (mPackages) { 18071 ver = mSettings.findOrCreateVersion(volumeUuid); 18072 packages = mSettings.getVolumePackagesLPr(volumeUuid); 18073 } 18074 18075 // TODO: introduce a new concept similar to "frozen" to prevent these 18076 // apps from being launched until after data has been fully reconciled 18077 for (PackageSetting ps : packages) { 18078 synchronized (mInstallLock) { 18079 final PackageParser.Package pkg; 18080 try { 18081 pkg = scanPackageTracedLI(ps.codePath, parseFlags, SCAN_INITIAL, 0, null); 18082 loaded.add(pkg.applicationInfo); 18083 18084 } catch (PackageManagerException e) { 18085 Slog.w(TAG, "Failed to scan " + ps.codePath + ": " + e.getMessage()); 18086 } 18087 18088 if (!Build.FINGERPRINT.equals(ver.fingerprint)) { 18089 deleteCodeCacheDirsLI(ps.volumeUuid, ps.name); 18090 } 18091 } 18092 } 18093 18094 // Reconcile app data for all started/unlocked users 18095 final StorageManager sm = mContext.getSystemService(StorageManager.class); 18096 final UserManager um = mContext.getSystemService(UserManager.class); 18097 for (UserInfo user : um.getUsers()) { 18098 final int flags; 18099 if (um.isUserUnlocked(user.id)) { 18100 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 18101 } else if (um.isUserRunning(user.id)) { 18102 flags = StorageManager.FLAG_STORAGE_DE; 18103 } else { 18104 continue; 18105 } 18106 18107 sm.prepareUserStorage(volumeUuid, user.id, user.serialNumber, flags); 18108 reconcileAppsData(volumeUuid, user.id, flags); 18109 } 18110 18111 synchronized (mPackages) { 18112 int updateFlags = UPDATE_PERMISSIONS_ALL; 18113 if (ver.sdkVersion != mSdkVersion) { 18114 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 18115 + mSdkVersion + "; regranting permissions for " + volumeUuid); 18116 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 18117 } 18118 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 18119 18120 // Yay, everything is now upgraded 18121 ver.forceCurrent(); 18122 18123 mSettings.writeLPr(); 18124 } 18125 18126 if (DEBUG_INSTALL) Slog.d(TAG, "Loaded packages " + loaded); 18127 sendResourcesChangedBroadcast(true, false, loaded, null); 18128 } 18129 18130 private void unloadPrivatePackages(final VolumeInfo vol) { 18131 mHandler.post(new Runnable() { 18132 @Override 18133 public void run() { 18134 unloadPrivatePackagesInner(vol); 18135 } 18136 }); 18137 } 18138 18139 private void unloadPrivatePackagesInner(VolumeInfo vol) { 18140 final String volumeUuid = vol.fsUuid; 18141 if (TextUtils.isEmpty(volumeUuid)) { 18142 Slog.e(TAG, "Unloading internal storage is probably a mistake; ignoring"); 18143 return; 18144 } 18145 18146 final ArrayList<ApplicationInfo> unloaded = new ArrayList<>(); 18147 synchronized (mInstallLock) { 18148 synchronized (mPackages) { 18149 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(volumeUuid); 18150 for (PackageSetting ps : packages) { 18151 if (ps.pkg == null) continue; 18152 18153 final ApplicationInfo info = ps.pkg.applicationInfo; 18154 final PackageRemovedInfo outInfo = new PackageRemovedInfo(); 18155 if (deletePackageLI(ps.name, null, false, null, 18156 PackageManager.DELETE_KEEP_DATA, outInfo, false, null)) { 18157 unloaded.add(info); 18158 } else { 18159 Slog.w(TAG, "Failed to unload " + ps.codePath); 18160 } 18161 } 18162 18163 mSettings.writeLPr(); 18164 } 18165 } 18166 18167 if (DEBUG_INSTALL) Slog.d(TAG, "Unloaded packages " + unloaded); 18168 sendResourcesChangedBroadcast(false, false, unloaded, null); 18169 } 18170 18171 /** 18172 * Examine all users present on given mounted volume, and destroy data 18173 * belonging to users that are no longer valid, or whose user ID has been 18174 * recycled. 18175 */ 18176 private void reconcileUsers(String volumeUuid) { 18177 // TODO: also reconcile DE directories 18178 final File[] files = FileUtils 18179 .listFilesOrEmpty(Environment.getDataUserCeDirectory(volumeUuid)); 18180 for (File file : files) { 18181 if (!file.isDirectory()) continue; 18182 18183 final int userId; 18184 final UserInfo info; 18185 try { 18186 userId = Integer.parseInt(file.getName()); 18187 info = sUserManager.getUserInfo(userId); 18188 } catch (NumberFormatException e) { 18189 Slog.w(TAG, "Invalid user directory " + file); 18190 continue; 18191 } 18192 18193 boolean destroyUser = false; 18194 if (info == null) { 18195 logCriticalInfo(Log.WARN, "Destroying user directory " + file 18196 + " because no matching user was found"); 18197 destroyUser = true; 18198 } else { 18199 try { 18200 UserManagerService.enforceSerialNumber(file, info.serialNumber); 18201 } catch (IOException e) { 18202 logCriticalInfo(Log.WARN, "Destroying user directory " + file 18203 + " because we failed to enforce serial number: " + e); 18204 destroyUser = true; 18205 } 18206 } 18207 18208 if (destroyUser) { 18209 synchronized (mInstallLock) { 18210 try { 18211 mInstaller.removeUserDataDirs(volumeUuid, userId); 18212 } catch (InstallerException e) { 18213 Slog.w(TAG, "Failed to clean up user dirs", e); 18214 } 18215 } 18216 } 18217 } 18218 } 18219 18220 private void assertPackageKnown(String volumeUuid, String packageName) 18221 throws PackageManagerException { 18222 synchronized (mPackages) { 18223 final PackageSetting ps = mSettings.mPackages.get(packageName); 18224 if (ps == null) { 18225 throw new PackageManagerException("Package " + packageName + " is unknown"); 18226 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 18227 throw new PackageManagerException( 18228 "Package " + packageName + " found on unknown volume " + volumeUuid 18229 + "; expected volume " + ps.volumeUuid); 18230 } 18231 } 18232 } 18233 18234 private void assertPackageKnownAndInstalled(String volumeUuid, String packageName, int userId) 18235 throws PackageManagerException { 18236 synchronized (mPackages) { 18237 final PackageSetting ps = mSettings.mPackages.get(packageName); 18238 if (ps == null) { 18239 throw new PackageManagerException("Package " + packageName + " is unknown"); 18240 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 18241 throw new PackageManagerException( 18242 "Package " + packageName + " found on unknown volume " + volumeUuid 18243 + "; expected volume " + ps.volumeUuid); 18244 } else if (!ps.getInstalled(userId)) { 18245 throw new PackageManagerException( 18246 "Package " + packageName + " not installed for user " + userId); 18247 } 18248 } 18249 } 18250 18251 /** 18252 * Examine all apps present on given mounted volume, and destroy apps that 18253 * aren't expected, either due to uninstallation or reinstallation on 18254 * another volume. 18255 */ 18256 private void reconcileApps(String volumeUuid) { 18257 final File[] files = FileUtils 18258 .listFilesOrEmpty(Environment.getDataAppDirectory(volumeUuid)); 18259 for (File file : files) { 18260 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 18261 && !PackageInstallerService.isStageName(file.getName()); 18262 if (!isPackage) { 18263 // Ignore entries which are not packages 18264 continue; 18265 } 18266 18267 try { 18268 final PackageLite pkg = PackageParser.parsePackageLite(file, 18269 PackageParser.PARSE_MUST_BE_APK); 18270 assertPackageKnown(volumeUuid, pkg.packageName); 18271 18272 } catch (PackageParserException | PackageManagerException e) { 18273 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 18274 synchronized (mInstallLock) { 18275 removeCodePathLI(file); 18276 } 18277 } 18278 } 18279 } 18280 18281 /** 18282 * Reconcile all app data for the given user. 18283 * <p> 18284 * Verifies that directories exist and that ownership and labeling is 18285 * correct for all installed apps on all mounted volumes. 18286 */ 18287 void reconcileAppsData(int userId, int flags) { 18288 final StorageManager storage = mContext.getSystemService(StorageManager.class); 18289 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 18290 final String volumeUuid = vol.getFsUuid(); 18291 reconcileAppsData(volumeUuid, userId, flags); 18292 } 18293 } 18294 18295 /** 18296 * Reconcile all app data on given mounted volume. 18297 * <p> 18298 * Destroys app data that isn't expected, either due to uninstallation or 18299 * reinstallation on another volume. 18300 * <p> 18301 * Verifies that directories exist and that ownership and labeling is 18302 * correct for all installed apps. 18303 */ 18304 private void reconcileAppsData(String volumeUuid, int userId, int flags) { 18305 Slog.v(TAG, "reconcileAppsData for " + volumeUuid + " u" + userId + " 0x" 18306 + Integer.toHexString(flags)); 18307 18308 final File ceDir = Environment.getDataUserCeDirectory(volumeUuid, userId); 18309 final File deDir = Environment.getDataUserDeDirectory(volumeUuid, userId); 18310 18311 boolean restoreconNeeded = false; 18312 18313 // First look for stale data that doesn't belong, and check if things 18314 // have changed since we did our last restorecon 18315 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 18316 if (!isUserKeyUnlocked(userId)) { 18317 throw new RuntimeException( 18318 "Yikes, someone asked us to reconcile CE storage while " + userId 18319 + " was still locked; this would have caused massive data loss!"); 18320 } 18321 18322 restoreconNeeded |= SELinuxMMAC.isRestoreconNeeded(ceDir); 18323 18324 final File[] files = FileUtils.listFilesOrEmpty(ceDir); 18325 for (File file : files) { 18326 final String packageName = file.getName(); 18327 try { 18328 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 18329 } catch (PackageManagerException e) { 18330 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 18331 synchronized (mInstallLock) { 18332 destroyAppDataLI(volumeUuid, packageName, userId, 18333 StorageManager.FLAG_STORAGE_CE); 18334 } 18335 } 18336 } 18337 } 18338 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 18339 restoreconNeeded |= SELinuxMMAC.isRestoreconNeeded(deDir); 18340 18341 final File[] files = FileUtils.listFilesOrEmpty(deDir); 18342 for (File file : files) { 18343 final String packageName = file.getName(); 18344 try { 18345 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 18346 } catch (PackageManagerException e) { 18347 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 18348 synchronized (mInstallLock) { 18349 destroyAppDataLI(volumeUuid, packageName, userId, 18350 StorageManager.FLAG_STORAGE_DE); 18351 } 18352 } 18353 } 18354 } 18355 18356 // Ensure that data directories are ready to roll for all packages 18357 // installed for this volume and user 18358 final List<PackageSetting> packages; 18359 synchronized (mPackages) { 18360 packages = mSettings.getVolumePackagesLPr(volumeUuid); 18361 } 18362 int preparedCount = 0; 18363 for (PackageSetting ps : packages) { 18364 final String packageName = ps.name; 18365 if (ps.pkg == null) { 18366 Slog.w(TAG, "Odd, missing scanned package " + packageName); 18367 // TODO: might be due to legacy ASEC apps; we should circle back 18368 // and reconcile again once they're scanned 18369 continue; 18370 } 18371 18372 if (ps.getInstalled(userId)) { 18373 prepareAppData(volumeUuid, userId, flags, ps.pkg, restoreconNeeded); 18374 18375 if (maybeMigrateAppData(volumeUuid, userId, ps.pkg)) { 18376 // We may have just shuffled around app data directories, so 18377 // prepare them one more time 18378 prepareAppData(volumeUuid, userId, flags, ps.pkg, restoreconNeeded); 18379 } 18380 18381 preparedCount++; 18382 } 18383 } 18384 18385 if (restoreconNeeded) { 18386 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 18387 SELinuxMMAC.setRestoreconDone(ceDir); 18388 } 18389 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 18390 SELinuxMMAC.setRestoreconDone(deDir); 18391 } 18392 } 18393 18394 Slog.v(TAG, "reconcileAppsData finished " + preparedCount 18395 + " packages; restoreconNeeded was " + restoreconNeeded); 18396 } 18397 18398 /** 18399 * Prepare app data for the given app just after it was installed or 18400 * upgraded. This method carefully only touches users that it's installed 18401 * for, and it forces a restorecon to handle any seinfo changes. 18402 * <p> 18403 * Verifies that directories exist and that ownership and labeling is 18404 * correct for all installed apps. If there is an ownership mismatch, it 18405 * will try recovering system apps by wiping data; third-party app data is 18406 * left intact. 18407 * <p> 18408 * <em>Note: To avoid a deadlock, do not call this method with {@code mPackages} lock held</em> 18409 */ 18410 private void prepareAppDataAfterInstall(PackageParser.Package pkg) { 18411 prepareAppDataAfterInstallInternal(pkg); 18412 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 18413 for (int i = 0; i < childCount; i++) { 18414 PackageParser.Package childPackage = pkg.childPackages.get(i); 18415 prepareAppDataAfterInstallInternal(childPackage); 18416 } 18417 } 18418 18419 private void prepareAppDataAfterInstallInternal(PackageParser.Package pkg) { 18420 final PackageSetting ps; 18421 synchronized (mPackages) { 18422 ps = mSettings.mPackages.get(pkg.packageName); 18423 mSettings.writeKernelMappingLPr(ps); 18424 } 18425 18426 final UserManager um = mContext.getSystemService(UserManager.class); 18427 for (UserInfo user : um.getUsers()) { 18428 final int flags; 18429 if (um.isUserUnlocked(user.id)) { 18430 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 18431 } else if (um.isUserRunning(user.id)) { 18432 flags = StorageManager.FLAG_STORAGE_DE; 18433 } else { 18434 continue; 18435 } 18436 18437 if (ps.getInstalled(user.id)) { 18438 // Whenever an app changes, force a restorecon of its data 18439 // TODO: when user data is locked, mark that we're still dirty 18440 prepareAppData(pkg.volumeUuid, user.id, flags, pkg, true); 18441 } 18442 } 18443 } 18444 18445 /** 18446 * Prepare app data for the given app. 18447 * <p> 18448 * Verifies that directories exist and that ownership and labeling is 18449 * correct for all installed apps. If there is an ownership mismatch, this 18450 * will try recovering system apps by wiping data; third-party app data is 18451 * left intact. 18452 */ 18453 private void prepareAppData(String volumeUuid, int userId, int flags, 18454 PackageParser.Package pkg, boolean restoreconNeeded) { 18455 if (DEBUG_APP_DATA) { 18456 Slog.v(TAG, "prepareAppData for " + pkg.packageName + " u" + userId + " 0x" 18457 + Integer.toHexString(flags) + (restoreconNeeded ? " restoreconNeeded" : "")); 18458 } 18459 18460 final String packageName = pkg.packageName; 18461 final ApplicationInfo app = pkg.applicationInfo; 18462 final int appId = UserHandle.getAppId(app.uid); 18463 18464 Preconditions.checkNotNull(app.seinfo); 18465 18466 synchronized (mInstallLock) { 18467 try { 18468 mInstaller.createAppData(volumeUuid, packageName, userId, flags, 18469 appId, app.seinfo, app.targetSdkVersion); 18470 } catch (InstallerException e) { 18471 if (app.isSystemApp()) { 18472 logCriticalInfo(Log.ERROR, "Failed to create app data for " + packageName 18473 + ", but trying to recover: " + e); 18474 destroyAppDataLI(volumeUuid, packageName, userId, flags); 18475 try { 18476 mInstaller.createAppData(volumeUuid, packageName, userId, flags, 18477 appId, app.seinfo, app.targetSdkVersion); 18478 logCriticalInfo(Log.DEBUG, "Recovery succeeded!"); 18479 } catch (InstallerException e2) { 18480 logCriticalInfo(Log.DEBUG, "Recovery failed!"); 18481 } 18482 } else { 18483 Slog.e(TAG, "Failed to create app data for " + packageName + ": " + e); 18484 } 18485 } 18486 18487 if (restoreconNeeded) { 18488 restoreconAppDataLI(volumeUuid, packageName, userId, flags, appId, app.seinfo); 18489 } 18490 18491 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 18492 // Create a native library symlink only if we have native libraries 18493 // and if the native libraries are 32 bit libraries. We do not provide 18494 // this symlink for 64 bit libraries. 18495 if (app.primaryCpuAbi != null && !VMRuntime.is64BitAbi(app.primaryCpuAbi)) { 18496 final String nativeLibPath = app.nativeLibraryDir; 18497 try { 18498 mInstaller.linkNativeLibraryDirectory(volumeUuid, packageName, 18499 nativeLibPath, userId); 18500 } catch (InstallerException e) { 18501 Slog.e(TAG, "Failed to link native for " + packageName + ": " + e); 18502 } 18503 } 18504 } 18505 } 18506 } 18507 18508 /** 18509 * For system apps on non-FBE devices, this method migrates any existing 18510 * CE/DE data to match the {@code defaultToDeviceProtectedStorage} flag 18511 * requested by the app. 18512 */ 18513 private boolean maybeMigrateAppData(String volumeUuid, int userId, PackageParser.Package pkg) { 18514 if (pkg.isSystemApp() && !StorageManager.isFileEncryptedNativeOrEmulated() 18515 && PackageManager.APPLY_DEFAULT_TO_DEVICE_PROTECTED_STORAGE) { 18516 final int storageTarget = pkg.applicationInfo.isDefaultToDeviceProtectedStorage() 18517 ? StorageManager.FLAG_STORAGE_DE : StorageManager.FLAG_STORAGE_CE; 18518 synchronized (mInstallLock) { 18519 try { 18520 mInstaller.migrateAppData(volumeUuid, pkg.packageName, userId, storageTarget); 18521 } catch (InstallerException e) { 18522 logCriticalInfo(Log.WARN, 18523 "Failed to migrate " + pkg.packageName + ": " + e.getMessage()); 18524 } 18525 } 18526 return true; 18527 } else { 18528 return false; 18529 } 18530 } 18531 18532 private void unfreezePackage(String packageName) { 18533 synchronized (mPackages) { 18534 final PackageSetting ps = mSettings.mPackages.get(packageName); 18535 if (ps != null) { 18536 ps.frozen = false; 18537 } 18538 } 18539 } 18540 18541 @Override 18542 public int movePackage(final String packageName, final String volumeUuid) { 18543 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 18544 18545 final int moveId = mNextMoveId.getAndIncrement(); 18546 mHandler.post(new Runnable() { 18547 @Override 18548 public void run() { 18549 try { 18550 movePackageInternal(packageName, volumeUuid, moveId); 18551 } catch (PackageManagerException e) { 18552 Slog.w(TAG, "Failed to move " + packageName, e); 18553 mMoveCallbacks.notifyStatusChanged(moveId, 18554 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 18555 } 18556 } 18557 }); 18558 return moveId; 18559 } 18560 18561 private void movePackageInternal(final String packageName, final String volumeUuid, 18562 final int moveId) throws PackageManagerException { 18563 final UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 18564 final StorageManager storage = mContext.getSystemService(StorageManager.class); 18565 final PackageManager pm = mContext.getPackageManager(); 18566 18567 final boolean currentAsec; 18568 final String currentVolumeUuid; 18569 final File codeFile; 18570 final String installerPackageName; 18571 final String packageAbiOverride; 18572 final int appId; 18573 final String seinfo; 18574 final String label; 18575 final int targetSdkVersion; 18576 18577 // reader 18578 synchronized (mPackages) { 18579 final PackageParser.Package pkg = mPackages.get(packageName); 18580 final PackageSetting ps = mSettings.mPackages.get(packageName); 18581 if (pkg == null || ps == null) { 18582 throw new PackageManagerException(MOVE_FAILED_DOESNT_EXIST, "Missing package"); 18583 } 18584 18585 if (pkg.applicationInfo.isSystemApp()) { 18586 throw new PackageManagerException(MOVE_FAILED_SYSTEM_PACKAGE, 18587 "Cannot move system application"); 18588 } 18589 18590 if (pkg.applicationInfo.isExternalAsec()) { 18591 currentAsec = true; 18592 currentVolumeUuid = StorageManager.UUID_PRIMARY_PHYSICAL; 18593 } else if (pkg.applicationInfo.isForwardLocked()) { 18594 currentAsec = true; 18595 currentVolumeUuid = "forward_locked"; 18596 } else { 18597 currentAsec = false; 18598 currentVolumeUuid = ps.volumeUuid; 18599 18600 final File probe = new File(pkg.codePath); 18601 final File probeOat = new File(probe, "oat"); 18602 if (!probe.isDirectory() || !probeOat.isDirectory()) { 18603 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 18604 "Move only supported for modern cluster style installs"); 18605 } 18606 } 18607 18608 if (Objects.equals(currentVolumeUuid, volumeUuid)) { 18609 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 18610 "Package already moved to " + volumeUuid); 18611 } 18612 if (pkg.applicationInfo.isInternal() && isPackageDeviceAdminOnAnyUser(packageName)) { 18613 throw new PackageManagerException(MOVE_FAILED_DEVICE_ADMIN, 18614 "Device admin cannot be moved"); 18615 } 18616 18617 if (ps.frozen) { 18618 throw new PackageManagerException(MOVE_FAILED_OPERATION_PENDING, 18619 "Failed to move already frozen package"); 18620 } 18621 ps.frozen = true; 18622 18623 codeFile = new File(pkg.codePath); 18624 installerPackageName = ps.installerPackageName; 18625 packageAbiOverride = ps.cpuAbiOverrideString; 18626 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 18627 seinfo = pkg.applicationInfo.seinfo; 18628 label = String.valueOf(pm.getApplicationLabel(pkg.applicationInfo)); 18629 targetSdkVersion = pkg.applicationInfo.targetSdkVersion; 18630 } 18631 18632 // Now that we're guarded by frozen state, kill app during move 18633 final long token = Binder.clearCallingIdentity(); 18634 try { 18635 killApplication(packageName, appId, "move pkg"); 18636 } finally { 18637 Binder.restoreCallingIdentity(token); 18638 } 18639 18640 final Bundle extras = new Bundle(); 18641 extras.putString(Intent.EXTRA_PACKAGE_NAME, packageName); 18642 extras.putString(Intent.EXTRA_TITLE, label); 18643 mMoveCallbacks.notifyCreated(moveId, extras); 18644 18645 int installFlags; 18646 final boolean moveCompleteApp; 18647 final File measurePath; 18648 18649 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, volumeUuid)) { 18650 installFlags = INSTALL_INTERNAL; 18651 moveCompleteApp = !currentAsec; 18652 measurePath = Environment.getDataAppDirectory(volumeUuid); 18653 } else if (Objects.equals(StorageManager.UUID_PRIMARY_PHYSICAL, volumeUuid)) { 18654 installFlags = INSTALL_EXTERNAL; 18655 moveCompleteApp = false; 18656 measurePath = storage.getPrimaryPhysicalVolume().getPath(); 18657 } else { 18658 final VolumeInfo volume = storage.findVolumeByUuid(volumeUuid); 18659 if (volume == null || volume.getType() != VolumeInfo.TYPE_PRIVATE 18660 || !volume.isMountedWritable()) { 18661 unfreezePackage(packageName); 18662 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 18663 "Move location not mounted private volume"); 18664 } 18665 18666 Preconditions.checkState(!currentAsec); 18667 18668 installFlags = INSTALL_INTERNAL; 18669 moveCompleteApp = true; 18670 measurePath = Environment.getDataAppDirectory(volumeUuid); 18671 } 18672 18673 final PackageStats stats = new PackageStats(null, -1); 18674 synchronized (mInstaller) { 18675 if (!getPackageSizeInfoLI(packageName, -1, stats)) { 18676 unfreezePackage(packageName); 18677 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 18678 "Failed to measure package size"); 18679 } 18680 } 18681 18682 if (DEBUG_INSTALL) Slog.d(TAG, "Measured code size " + stats.codeSize + ", data size " 18683 + stats.dataSize); 18684 18685 final long startFreeBytes = measurePath.getFreeSpace(); 18686 final long sizeBytes; 18687 if (moveCompleteApp) { 18688 sizeBytes = stats.codeSize + stats.dataSize; 18689 } else { 18690 sizeBytes = stats.codeSize; 18691 } 18692 18693 if (sizeBytes > storage.getStorageBytesUntilLow(measurePath)) { 18694 unfreezePackage(packageName); 18695 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 18696 "Not enough free space to move"); 18697 } 18698 18699 mMoveCallbacks.notifyStatusChanged(moveId, 10); 18700 18701 final CountDownLatch installedLatch = new CountDownLatch(1); 18702 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 18703 @Override 18704 public void onUserActionRequired(Intent intent) throws RemoteException { 18705 throw new IllegalStateException(); 18706 } 18707 18708 @Override 18709 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 18710 Bundle extras) throws RemoteException { 18711 if (DEBUG_INSTALL) Slog.d(TAG, "Install result for move: " 18712 + PackageManager.installStatusToString(returnCode, msg)); 18713 18714 installedLatch.countDown(); 18715 18716 // Regardless of success or failure of the move operation, 18717 // always unfreeze the package 18718 unfreezePackage(packageName); 18719 18720 final int status = PackageManager.installStatusToPublicStatus(returnCode); 18721 switch (status) { 18722 case PackageInstaller.STATUS_SUCCESS: 18723 mMoveCallbacks.notifyStatusChanged(moveId, 18724 PackageManager.MOVE_SUCCEEDED); 18725 break; 18726 case PackageInstaller.STATUS_FAILURE_STORAGE: 18727 mMoveCallbacks.notifyStatusChanged(moveId, 18728 PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 18729 break; 18730 default: 18731 mMoveCallbacks.notifyStatusChanged(moveId, 18732 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 18733 break; 18734 } 18735 } 18736 }; 18737 18738 final MoveInfo move; 18739 if (moveCompleteApp) { 18740 // Kick off a thread to report progress estimates 18741 new Thread() { 18742 @Override 18743 public void run() { 18744 while (true) { 18745 try { 18746 if (installedLatch.await(1, TimeUnit.SECONDS)) { 18747 break; 18748 } 18749 } catch (InterruptedException ignored) { 18750 } 18751 18752 final long deltaFreeBytes = startFreeBytes - measurePath.getFreeSpace(); 18753 final int progress = 10 + (int) MathUtils.constrain( 18754 ((deltaFreeBytes * 80) / sizeBytes), 0, 80); 18755 mMoveCallbacks.notifyStatusChanged(moveId, progress); 18756 } 18757 } 18758 }.start(); 18759 18760 final String dataAppName = codeFile.getName(); 18761 move = new MoveInfo(moveId, currentVolumeUuid, volumeUuid, packageName, 18762 dataAppName, appId, seinfo, targetSdkVersion); 18763 } else { 18764 move = null; 18765 } 18766 18767 installFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 18768 18769 final Message msg = mHandler.obtainMessage(INIT_COPY); 18770 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 18771 final InstallParams params = new InstallParams(origin, move, installObserver, installFlags, 18772 installerPackageName, volumeUuid, null /*verificationInfo*/, user, 18773 packageAbiOverride, null); 18774 params.setTraceMethod("movePackage").setTraceCookie(System.identityHashCode(params)); 18775 msg.obj = params; 18776 18777 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "movePackage", 18778 System.identityHashCode(msg.obj)); 18779 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 18780 System.identityHashCode(msg.obj)); 18781 18782 mHandler.sendMessage(msg); 18783 } 18784 18785 @Override 18786 public int movePrimaryStorage(String volumeUuid) throws RemoteException { 18787 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 18788 18789 final int realMoveId = mNextMoveId.getAndIncrement(); 18790 final Bundle extras = new Bundle(); 18791 extras.putString(VolumeRecord.EXTRA_FS_UUID, volumeUuid); 18792 mMoveCallbacks.notifyCreated(realMoveId, extras); 18793 18794 final IPackageMoveObserver callback = new IPackageMoveObserver.Stub() { 18795 @Override 18796 public void onCreated(int moveId, Bundle extras) { 18797 // Ignored 18798 } 18799 18800 @Override 18801 public void onStatusChanged(int moveId, int status, long estMillis) { 18802 mMoveCallbacks.notifyStatusChanged(realMoveId, status, estMillis); 18803 } 18804 }; 18805 18806 final StorageManager storage = mContext.getSystemService(StorageManager.class); 18807 storage.setPrimaryStorageUuid(volumeUuid, callback); 18808 return realMoveId; 18809 } 18810 18811 @Override 18812 public int getMoveStatus(int moveId) { 18813 mContext.enforceCallingOrSelfPermission( 18814 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 18815 return mMoveCallbacks.mLastStatus.get(moveId); 18816 } 18817 18818 @Override 18819 public void registerMoveCallback(IPackageMoveObserver callback) { 18820 mContext.enforceCallingOrSelfPermission( 18821 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 18822 mMoveCallbacks.register(callback); 18823 } 18824 18825 @Override 18826 public void unregisterMoveCallback(IPackageMoveObserver callback) { 18827 mContext.enforceCallingOrSelfPermission( 18828 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 18829 mMoveCallbacks.unregister(callback); 18830 } 18831 18832 @Override 18833 public boolean setInstallLocation(int loc) { 18834 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 18835 null); 18836 if (getInstallLocation() == loc) { 18837 return true; 18838 } 18839 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 18840 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 18841 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 18842 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 18843 return true; 18844 } 18845 return false; 18846 } 18847 18848 @Override 18849 public int getInstallLocation() { 18850 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 18851 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 18852 PackageHelper.APP_INSTALL_AUTO); 18853 } 18854 18855 /** Called by UserManagerService */ 18856 void cleanUpUser(UserManagerService userManager, int userHandle) { 18857 synchronized (mPackages) { 18858 mDirtyUsers.remove(userHandle); 18859 mUserNeedsBadging.delete(userHandle); 18860 mSettings.removeUserLPw(userHandle); 18861 mPendingBroadcasts.remove(userHandle); 18862 mEphemeralApplicationRegistry.onUserRemovedLPw(userHandle); 18863 } 18864 synchronized (mInstallLock) { 18865 final StorageManager storage = mContext.getSystemService(StorageManager.class); 18866 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 18867 final String volumeUuid = vol.getFsUuid(); 18868 if (DEBUG_INSTALL) Slog.d(TAG, "Removing user data on volume " + volumeUuid); 18869 try { 18870 mInstaller.removeUserDataDirs(volumeUuid, userHandle); 18871 } catch (InstallerException e) { 18872 Slog.w(TAG, "Failed to remove user data", e); 18873 } 18874 } 18875 synchronized (mPackages) { 18876 removeUnusedPackagesLILPw(userManager, userHandle); 18877 } 18878 } 18879 } 18880 18881 /** 18882 * We're removing userHandle and would like to remove any downloaded packages 18883 * that are no longer in use by any other user. 18884 * @param userHandle the user being removed 18885 */ 18886 private void removeUnusedPackagesLILPw(UserManagerService userManager, final int userHandle) { 18887 final boolean DEBUG_CLEAN_APKS = false; 18888 int [] users = userManager.getUserIds(); 18889 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 18890 while (psit.hasNext()) { 18891 PackageSetting ps = psit.next(); 18892 if (ps.pkg == null) { 18893 continue; 18894 } 18895 final String packageName = ps.pkg.packageName; 18896 // Skip over if system app 18897 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 18898 continue; 18899 } 18900 if (DEBUG_CLEAN_APKS) { 18901 Slog.i(TAG, "Checking package " + packageName); 18902 } 18903 boolean keep = shouldKeepUninstalledPackageLPr(packageName); 18904 if (keep) { 18905 if (DEBUG_CLEAN_APKS) { 18906 Slog.i(TAG, " Keeping package " + packageName + " - requested by DO"); 18907 } 18908 } else { 18909 for (int i = 0; i < users.length; i++) { 18910 if (users[i] != userHandle && ps.getInstalled(users[i])) { 18911 keep = true; 18912 if (DEBUG_CLEAN_APKS) { 18913 Slog.i(TAG, " Keeping package " + packageName + " for user " 18914 + users[i]); 18915 } 18916 break; 18917 } 18918 } 18919 } 18920 if (!keep) { 18921 if (DEBUG_CLEAN_APKS) { 18922 Slog.i(TAG, " Removing package " + packageName); 18923 } 18924 mHandler.post(new Runnable() { 18925 public void run() { 18926 deletePackageX(packageName, userHandle, 0); 18927 } //end run 18928 }); 18929 } 18930 } 18931 } 18932 18933 /** Called by UserManagerService */ 18934 void createNewUser(int userHandle) { 18935 synchronized (mInstallLock) { 18936 try { 18937 mInstaller.createUserConfig(userHandle); 18938 } catch (InstallerException e) { 18939 Slog.w(TAG, "Failed to create user config", e); 18940 } 18941 mSettings.createNewUserLI(this, mInstaller, userHandle); 18942 } 18943 synchronized (mPackages) { 18944 applyFactoryDefaultBrowserLPw(userHandle); 18945 primeDomainVerificationsLPw(userHandle); 18946 } 18947 } 18948 18949 void newUserCreated(final int userHandle) { 18950 mDefaultPermissionPolicy.grantDefaultPermissions(userHandle); 18951 // If permission review for legacy apps is required, we represent 18952 // dagerous permissions for such apps as always granted runtime 18953 // permissions to keep per user flag state whether review is needed. 18954 // Hence, if a new user is added we have to propagate dangerous 18955 // permission grants for these legacy apps. 18956 if (Build.PERMISSIONS_REVIEW_REQUIRED) { 18957 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 18958 | UPDATE_PERMISSIONS_REPLACE_ALL); 18959 } 18960 } 18961 18962 @Override 18963 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 18964 mContext.enforceCallingOrSelfPermission( 18965 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 18966 "Only package verification agents can read the verifier device identity"); 18967 18968 synchronized (mPackages) { 18969 return mSettings.getVerifierDeviceIdentityLPw(); 18970 } 18971 } 18972 18973 @Override 18974 public void setPermissionEnforced(String permission, boolean enforced) { 18975 // TODO: Now that we no longer change GID for storage, this should to away. 18976 mContext.enforceCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 18977 "setPermissionEnforced"); 18978 if (READ_EXTERNAL_STORAGE.equals(permission)) { 18979 synchronized (mPackages) { 18980 if (mSettings.mReadExternalStorageEnforced == null 18981 || mSettings.mReadExternalStorageEnforced != enforced) { 18982 mSettings.mReadExternalStorageEnforced = enforced; 18983 mSettings.writeLPr(); 18984 } 18985 } 18986 // kill any non-foreground processes so we restart them and 18987 // grant/revoke the GID. 18988 final IActivityManager am = ActivityManagerNative.getDefault(); 18989 if (am != null) { 18990 final long token = Binder.clearCallingIdentity(); 18991 try { 18992 am.killProcessesBelowForeground("setPermissionEnforcement"); 18993 } catch (RemoteException e) { 18994 } finally { 18995 Binder.restoreCallingIdentity(token); 18996 } 18997 } 18998 } else { 18999 throw new IllegalArgumentException("No selective enforcement for " + permission); 19000 } 19001 } 19002 19003 @Override 19004 @Deprecated 19005 public boolean isPermissionEnforced(String permission) { 19006 return true; 19007 } 19008 19009 @Override 19010 public boolean isStorageLow() { 19011 final long token = Binder.clearCallingIdentity(); 19012 try { 19013 final DeviceStorageMonitorInternal 19014 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 19015 if (dsm != null) { 19016 return dsm.isMemoryLow(); 19017 } else { 19018 return false; 19019 } 19020 } finally { 19021 Binder.restoreCallingIdentity(token); 19022 } 19023 } 19024 19025 @Override 19026 public IPackageInstaller getPackageInstaller() { 19027 return mInstallerService; 19028 } 19029 19030 private boolean userNeedsBadging(int userId) { 19031 int index = mUserNeedsBadging.indexOfKey(userId); 19032 if (index < 0) { 19033 final UserInfo userInfo; 19034 final long token = Binder.clearCallingIdentity(); 19035 try { 19036 userInfo = sUserManager.getUserInfo(userId); 19037 } finally { 19038 Binder.restoreCallingIdentity(token); 19039 } 19040 final boolean b; 19041 if (userInfo != null && userInfo.isManagedProfile()) { 19042 b = true; 19043 } else { 19044 b = false; 19045 } 19046 mUserNeedsBadging.put(userId, b); 19047 return b; 19048 } 19049 return mUserNeedsBadging.valueAt(index); 19050 } 19051 19052 @Override 19053 public KeySet getKeySetByAlias(String packageName, String alias) { 19054 if (packageName == null || alias == null) { 19055 return null; 19056 } 19057 synchronized(mPackages) { 19058 final PackageParser.Package pkg = mPackages.get(packageName); 19059 if (pkg == null) { 19060 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 19061 throw new IllegalArgumentException("Unknown package: " + packageName); 19062 } 19063 KeySetManagerService ksms = mSettings.mKeySetManagerService; 19064 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 19065 } 19066 } 19067 19068 @Override 19069 public KeySet getSigningKeySet(String packageName) { 19070 if (packageName == null) { 19071 return null; 19072 } 19073 synchronized(mPackages) { 19074 final PackageParser.Package pkg = mPackages.get(packageName); 19075 if (pkg == null) { 19076 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 19077 throw new IllegalArgumentException("Unknown package: " + packageName); 19078 } 19079 if (pkg.applicationInfo.uid != Binder.getCallingUid() 19080 && Process.SYSTEM_UID != Binder.getCallingUid()) { 19081 throw new SecurityException("May not access signing KeySet of other apps."); 19082 } 19083 KeySetManagerService ksms = mSettings.mKeySetManagerService; 19084 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 19085 } 19086 } 19087 19088 @Override 19089 public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { 19090 if (packageName == null || ks == null) { 19091 return false; 19092 } 19093 synchronized(mPackages) { 19094 final PackageParser.Package pkg = mPackages.get(packageName); 19095 if (pkg == null) { 19096 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 19097 throw new IllegalArgumentException("Unknown package: " + packageName); 19098 } 19099 IBinder ksh = ks.getToken(); 19100 if (ksh instanceof KeySetHandle) { 19101 KeySetManagerService ksms = mSettings.mKeySetManagerService; 19102 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 19103 } 19104 return false; 19105 } 19106 } 19107 19108 @Override 19109 public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { 19110 if (packageName == null || ks == null) { 19111 return false; 19112 } 19113 synchronized(mPackages) { 19114 final PackageParser.Package pkg = mPackages.get(packageName); 19115 if (pkg == null) { 19116 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 19117 throw new IllegalArgumentException("Unknown package: " + packageName); 19118 } 19119 IBinder ksh = ks.getToken(); 19120 if (ksh instanceof KeySetHandle) { 19121 KeySetManagerService ksms = mSettings.mKeySetManagerService; 19122 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 19123 } 19124 return false; 19125 } 19126 } 19127 19128 private void deletePackageIfUnusedLPr(final String packageName) { 19129 PackageSetting ps = mSettings.mPackages.get(packageName); 19130 if (ps == null) { 19131 return; 19132 } 19133 if (!ps.isAnyInstalled(sUserManager.getUserIds())) { 19134 // TODO Implement atomic delete if package is unused 19135 // It is currently possible that the package will be deleted even if it is installed 19136 // after this method returns. 19137 mHandler.post(new Runnable() { 19138 public void run() { 19139 deletePackageX(packageName, 0, PackageManager.DELETE_ALL_USERS); 19140 } 19141 }); 19142 } 19143 } 19144 19145 /** 19146 * Check and throw if the given before/after packages would be considered a 19147 * downgrade. 19148 */ 19149 private static void checkDowngrade(PackageParser.Package before, PackageInfoLite after) 19150 throws PackageManagerException { 19151 if (after.versionCode < before.mVersionCode) { 19152 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 19153 "Update version code " + after.versionCode + " is older than current " 19154 + before.mVersionCode); 19155 } else if (after.versionCode == before.mVersionCode) { 19156 if (after.baseRevisionCode < before.baseRevisionCode) { 19157 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 19158 "Update base revision code " + after.baseRevisionCode 19159 + " is older than current " + before.baseRevisionCode); 19160 } 19161 19162 if (!ArrayUtils.isEmpty(after.splitNames)) { 19163 for (int i = 0; i < after.splitNames.length; i++) { 19164 final String splitName = after.splitNames[i]; 19165 final int j = ArrayUtils.indexOf(before.splitNames, splitName); 19166 if (j != -1) { 19167 if (after.splitRevisionCodes[i] < before.splitRevisionCodes[j]) { 19168 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 19169 "Update split " + splitName + " revision code " 19170 + after.splitRevisionCodes[i] + " is older than current " 19171 + before.splitRevisionCodes[j]); 19172 } 19173 } 19174 } 19175 } 19176 } 19177 } 19178 19179 private static class MoveCallbacks extends Handler { 19180 private static final int MSG_CREATED = 1; 19181 private static final int MSG_STATUS_CHANGED = 2; 19182 19183 private final RemoteCallbackList<IPackageMoveObserver> 19184 mCallbacks = new RemoteCallbackList<>(); 19185 19186 private final SparseIntArray mLastStatus = new SparseIntArray(); 19187 19188 public MoveCallbacks(Looper looper) { 19189 super(looper); 19190 } 19191 19192 public void register(IPackageMoveObserver callback) { 19193 mCallbacks.register(callback); 19194 } 19195 19196 public void unregister(IPackageMoveObserver callback) { 19197 mCallbacks.unregister(callback); 19198 } 19199 19200 @Override 19201 public void handleMessage(Message msg) { 19202 final SomeArgs args = (SomeArgs) msg.obj; 19203 final int n = mCallbacks.beginBroadcast(); 19204 for (int i = 0; i < n; i++) { 19205 final IPackageMoveObserver callback = mCallbacks.getBroadcastItem(i); 19206 try { 19207 invokeCallback(callback, msg.what, args); 19208 } catch (RemoteException ignored) { 19209 } 19210 } 19211 mCallbacks.finishBroadcast(); 19212 args.recycle(); 19213 } 19214 19215 private void invokeCallback(IPackageMoveObserver callback, int what, SomeArgs args) 19216 throws RemoteException { 19217 switch (what) { 19218 case MSG_CREATED: { 19219 callback.onCreated(args.argi1, (Bundle) args.arg2); 19220 break; 19221 } 19222 case MSG_STATUS_CHANGED: { 19223 callback.onStatusChanged(args.argi1, args.argi2, (long) args.arg3); 19224 break; 19225 } 19226 } 19227 } 19228 19229 private void notifyCreated(int moveId, Bundle extras) { 19230 Slog.v(TAG, "Move " + moveId + " created " + extras.toString()); 19231 19232 final SomeArgs args = SomeArgs.obtain(); 19233 args.argi1 = moveId; 19234 args.arg2 = extras; 19235 obtainMessage(MSG_CREATED, args).sendToTarget(); 19236 } 19237 19238 private void notifyStatusChanged(int moveId, int status) { 19239 notifyStatusChanged(moveId, status, -1); 19240 } 19241 19242 private void notifyStatusChanged(int moveId, int status, long estMillis) { 19243 Slog.v(TAG, "Move " + moveId + " status " + status); 19244 19245 final SomeArgs args = SomeArgs.obtain(); 19246 args.argi1 = moveId; 19247 args.argi2 = status; 19248 args.arg3 = estMillis; 19249 obtainMessage(MSG_STATUS_CHANGED, args).sendToTarget(); 19250 19251 synchronized (mLastStatus) { 19252 mLastStatus.put(moveId, status); 19253 } 19254 } 19255 } 19256 19257 private final static class OnPermissionChangeListeners extends Handler { 19258 private static final int MSG_ON_PERMISSIONS_CHANGED = 1; 19259 19260 private final RemoteCallbackList<IOnPermissionsChangeListener> mPermissionListeners = 19261 new RemoteCallbackList<>(); 19262 19263 public OnPermissionChangeListeners(Looper looper) { 19264 super(looper); 19265 } 19266 19267 @Override 19268 public void handleMessage(Message msg) { 19269 switch (msg.what) { 19270 case MSG_ON_PERMISSIONS_CHANGED: { 19271 final int uid = msg.arg1; 19272 handleOnPermissionsChanged(uid); 19273 } break; 19274 } 19275 } 19276 19277 public void addListenerLocked(IOnPermissionsChangeListener listener) { 19278 mPermissionListeners.register(listener); 19279 19280 } 19281 19282 public void removeListenerLocked(IOnPermissionsChangeListener listener) { 19283 mPermissionListeners.unregister(listener); 19284 } 19285 19286 public void onPermissionsChanged(int uid) { 19287 if (mPermissionListeners.getRegisteredCallbackCount() > 0) { 19288 obtainMessage(MSG_ON_PERMISSIONS_CHANGED, uid, 0).sendToTarget(); 19289 } 19290 } 19291 19292 private void handleOnPermissionsChanged(int uid) { 19293 final int count = mPermissionListeners.beginBroadcast(); 19294 try { 19295 for (int i = 0; i < count; i++) { 19296 IOnPermissionsChangeListener callback = mPermissionListeners 19297 .getBroadcastItem(i); 19298 try { 19299 callback.onPermissionsChanged(uid); 19300 } catch (RemoteException e) { 19301 Log.e(TAG, "Permission listener is dead", e); 19302 } 19303 } 19304 } finally { 19305 mPermissionListeners.finishBroadcast(); 19306 } 19307 } 19308 } 19309 19310 private class PackageManagerInternalImpl extends PackageManagerInternal { 19311 @Override 19312 public void setLocationPackagesProvider(PackagesProvider provider) { 19313 synchronized (mPackages) { 19314 mDefaultPermissionPolicy.setLocationPackagesProviderLPw(provider); 19315 } 19316 } 19317 19318 @Override 19319 public void setVoiceInteractionPackagesProvider(PackagesProvider provider) { 19320 synchronized (mPackages) { 19321 mDefaultPermissionPolicy.setVoiceInteractionPackagesProviderLPw(provider); 19322 } 19323 } 19324 19325 @Override 19326 public void setSmsAppPackagesProvider(PackagesProvider provider) { 19327 synchronized (mPackages) { 19328 mDefaultPermissionPolicy.setSmsAppPackagesProviderLPw(provider); 19329 } 19330 } 19331 19332 @Override 19333 public void setDialerAppPackagesProvider(PackagesProvider provider) { 19334 synchronized (mPackages) { 19335 mDefaultPermissionPolicy.setDialerAppPackagesProviderLPw(provider); 19336 } 19337 } 19338 19339 @Override 19340 public void setSimCallManagerPackagesProvider(PackagesProvider provider) { 19341 synchronized (mPackages) { 19342 mDefaultPermissionPolicy.setSimCallManagerPackagesProviderLPw(provider); 19343 } 19344 } 19345 19346 @Override 19347 public void setSyncAdapterPackagesprovider(SyncAdapterPackagesProvider provider) { 19348 synchronized (mPackages) { 19349 mDefaultPermissionPolicy.setSyncAdapterPackagesProviderLPw(provider); 19350 } 19351 } 19352 19353 @Override 19354 public void grantDefaultPermissionsToDefaultSmsApp(String packageName, int userId) { 19355 synchronized (mPackages) { 19356 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSmsAppLPr( 19357 packageName, userId); 19358 } 19359 } 19360 19361 @Override 19362 public void grantDefaultPermissionsToDefaultDialerApp(String packageName, int userId) { 19363 synchronized (mPackages) { 19364 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultDialerAppLPr( 19365 packageName, userId); 19366 } 19367 } 19368 19369 @Override 19370 public void grantDefaultPermissionsToDefaultSimCallManager(String packageName, int userId) { 19371 synchronized (mPackages) { 19372 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSimCallManagerLPr( 19373 packageName, userId); 19374 } 19375 } 19376 19377 @Override 19378 public void setKeepUninstalledPackages(final List<String> packageList) { 19379 Preconditions.checkNotNull(packageList); 19380 List<String> removedFromList = null; 19381 synchronized (mPackages) { 19382 if (mKeepUninstalledPackages != null) { 19383 final int packagesCount = mKeepUninstalledPackages.size(); 19384 for (int i = 0; i < packagesCount; i++) { 19385 String oldPackage = mKeepUninstalledPackages.get(i); 19386 if (packageList != null && packageList.contains(oldPackage)) { 19387 continue; 19388 } 19389 if (removedFromList == null) { 19390 removedFromList = new ArrayList<>(); 19391 } 19392 removedFromList.add(oldPackage); 19393 } 19394 } 19395 mKeepUninstalledPackages = new ArrayList<>(packageList); 19396 if (removedFromList != null) { 19397 final int removedCount = removedFromList.size(); 19398 for (int i = 0; i < removedCount; i++) { 19399 deletePackageIfUnusedLPr(removedFromList.get(i)); 19400 } 19401 } 19402 } 19403 } 19404 19405 @Override 19406 public boolean isPermissionsReviewRequired(String packageName, int userId) { 19407 synchronized (mPackages) { 19408 // If we do not support permission review, done. 19409 if (!Build.PERMISSIONS_REVIEW_REQUIRED) { 19410 return false; 19411 } 19412 19413 PackageSetting packageSetting = mSettings.mPackages.get(packageName); 19414 if (packageSetting == null) { 19415 return false; 19416 } 19417 19418 // Permission review applies only to apps not supporting the new permission model. 19419 if (packageSetting.pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.M) { 19420 return false; 19421 } 19422 19423 // Legacy apps have the permission and get user consent on launch. 19424 PermissionsState permissionsState = packageSetting.getPermissionsState(); 19425 return permissionsState.isPermissionReviewRequired(userId); 19426 } 19427 } 19428 19429 @Override 19430 public ApplicationInfo getApplicationInfo(String packageName, int userId) { 19431 return PackageManagerService.this.getApplicationInfo(packageName, 0 /*flags*/, userId); 19432 } 19433 19434 @Override 19435 public ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 19436 int userId) { 19437 return PackageManagerService.this.getHomeActivitiesAsUser(allHomeCandidates, userId); 19438 } 19439 } 19440 19441 @Override 19442 public void grantDefaultPermissionsToEnabledCarrierApps(String[] packageNames, int userId) { 19443 enforceSystemOrPhoneCaller("grantPermissionsToEnabledCarrierApps"); 19444 synchronized (mPackages) { 19445 final long identity = Binder.clearCallingIdentity(); 19446 try { 19447 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledCarrierAppsLPr( 19448 packageNames, userId); 19449 } finally { 19450 Binder.restoreCallingIdentity(identity); 19451 } 19452 } 19453 } 19454 19455 private static void enforceSystemOrPhoneCaller(String tag) { 19456 int callingUid = Binder.getCallingUid(); 19457 if (callingUid != Process.PHONE_UID && callingUid != Process.SYSTEM_UID) { 19458 throw new SecurityException( 19459 "Cannot call " + tag + " from UID " + callingUid); 19460 } 19461 } 19462 19463 boolean isHistoricalPackageUsageAvailable() { 19464 return mPackageUsage.isHistoricalPackageUsageAvailable(); 19465 } 19466 19467 /** 19468 * Return a <b>copy</b> of the collection of packages known to the package manager. 19469 * @return A copy of the values of mPackages. 19470 */ 19471 Collection<PackageParser.Package> getPackages() { 19472 synchronized (mPackages) { 19473 return new ArrayList<>(mPackages.values()); 19474 } 19475 } 19476 19477 /** 19478 * Logs process start information (including base APK hash) to the security log. 19479 * @hide 19480 */ 19481 public void logAppProcessStartIfNeeded(String processName, int uid, String seinfo, 19482 String apkFile, int pid) { 19483 if (!SecurityLog.isLoggingEnabled()) { 19484 return; 19485 } 19486 Bundle data = new Bundle(); 19487 data.putLong("startTimestamp", System.currentTimeMillis()); 19488 data.putString("processName", processName); 19489 data.putInt("uid", uid); 19490 data.putString("seinfo", seinfo); 19491 data.putString("apkFile", apkFile); 19492 data.putInt("pid", pid); 19493 Message msg = mProcessLoggingHandler.obtainMessage( 19494 ProcessLoggingHandler.LOG_APP_PROCESS_START_MSG); 19495 msg.setData(data); 19496 mProcessLoggingHandler.sendMessage(msg); 19497 } 19498} 19499